An apparatus and method for assembling a valve body assembly

Abstract

The present application relates to the technical field of valve body assembly automation assembly, in particular to a device and method for assembling valve body assembly, which comprises a rack, a movable pressure head and a base, the movable pressure head comprises an outer pressure head for pre-pressing the spring in the valve body assembly and an inner pressure head for separating the clamping leg in the valve body assembly, and the base comprises a positioning support seat for positioning the valve core and a guide sleeve for placing the valve body. The valve body assembly installation position is not easy to deviate or deform, which improves the assembly accuracy; by setting the actuator, the outer pressure head and the inner pressure head, the outer pressure head of the movable pressure head is driven by the driving part to pre-press the spring of the valve body assembly, at the same time, the clamping leg passes through the valve hole of the valve body assembly, the inner pressure head of the movable pressure head is driven by the actuator to separate the clamping leg, the outer pressure head is retracted, the spring is reset, the clamping leg is clamped, the inner pressure head is retracted, the valve body assembly can be quickly assembled, the assembly accuracy is improved, and the valve body assembly is not damaged.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of automatic assembly of valve body assemblies, in particular to a device for assembling valve body assemblies and an assembly method. BACKGROUND

[0002] The bypass valve often works in a complex environment of high temperature, high speed, heavy load and vibration. At this time, the bypass valve not only affects the oil supply condition of the lubricating system of the automobile engine, but also directly relates to the safety of the automobile fuel filter.

[0003] In the prior art, in order to prevent relative rotation between the bypass valve pin and the bypass valve mounting seat, the existing fuel filter usually adopts interference fit between the bypass valve pin and the bypass valve mounting seat, and the bypass valve needs to be gently pushed into the mounting seat during installation. The existing installation process of the bypass valve pin often relies on manual position judgment and manual pushing, and the assembly accuracy is low. It is not only easy to cause installation failure due to installation position deviation, but also difficult to ensure the pushing direction during pushing the bypass valve pin, which is prone to cause installation failure, valve body assembly is not easy to assemble, and the bypass valve pin and the mounting seat are prone to wear due to collision, which is prone to damage the valve body assembly. SUMMARY

[0004] In order to overcome the technical problems existing in the prior art, the present application provides a device for assembling valve body assemblies, by setting the limiting part of the positioning support seat and the limiting part, placing the valve body assembly on the limiting part of the positioning support seat, positioning the limiting part of the valve body assembly by the limiting part of the positioning support seat, the valve body assembly can be quickly and accurately positioned, the installation position of the valve body assembly is not easy to deviate or deform, and the accuracy of assembly positioning is improved. By setting the limiting part, the actuator, the outer pressure head and the inner pressure head, the outer pressure head of the movable pressure head is driven by the driving part to pre-press the spring of the valve body assembly, and the limiting part of the positioning support seat makes the pin pass through the valve hole of the valve body assembly. The inner pressure head of the movable pressure head is driven by the actuator to separate the pin, the outer pressure head is retracted, the spring is reset, the pin is engaged, the inner pressure head is retracted, and the assembly of the valve body assembly is completed, thereby improving the convenience of assembly.

[0005] In order to achieve the purpose, the present application is realized by the following technical scheme:

[0006] A device for assembling valve body assemblies, comprising a rack, a movable pressure head, a base, the movable pressure head comprising an outer pressure head for pre-pressing a spring in a valve body assembly, an inner pressure head for separating a pin in the valve body assembly, the base comprising a positioning support seat for positioning a valve core, a guide sleeve for placing a valve body.

[0007] Preferably, the positioning support seat is provided with a limiting piece for positioning the valve core, and the limiting piece is provided with a limiting part for cooperating with the positioning part of the valve body assembly.

[0008] Preferably, the outer pressure head comprises a tool groove corresponding to the clamping leg.

[0009] Preferably, the outer pressure head is provided with a containing cavity for containing the spring.

[0010] Preferably, the movable pressure head is connected with a driving piece for driving the movable pressure head to make piston movement.

[0011] Preferably, the inner pressure head is inverted conical or V-shaped, and the inner pressure head is provided with an execution element for driving the inner pressure head to make piston movement.

[0012] Preferably, the rack comprises a vertical support plate, a top plate and a bottom plate, the positioning support seat is arranged on the bottom plate, the movable pressure head is arranged on the top plate, the bottom of the top plate is connected with a guide plate, and the guide plate is provided with a guide groove for preventing the movable pressure head from rotating.

[0013] The application also provides an assembling method of the device for assembling the valve body assembly, comprising the following steps:

[0014] S1, sequentially placing the valve core, the valve body and the spring on the positioning support seat, the guide sleeve and the spring positioning part of the valve body, and positioning the positioning part of the valve body assembly through the limiting piece on the positioning support seat;

[0015] S2, the movable pressure head is pressed down, the spring is compressed, the valve body and the guide sleeve are lowered, the limiting piece supports the valve core, the clamping leg of the valve core is forced to be compressed radially inward through the valve hole of the valve body and the compressed spring;

[0016] S3, the inner pressure head is pressed down, the clamping leg is expanded, the clamping teeth of the clamping leg are radially expanded outward and exceed the outer diameter of the spring;

[0017] S4, the outer pressure head starts to go up, the inner pressure head continues to keep the state of expanding the clamping leg, the spring is gradually reset and enters the clamping hook and the clamping leg;

[0018] S5, the outer pressure head continues to go up and drives the inner pressure head to go up, the inner pressure head is reset, and the movable pressure head is reset;

[0019] S6, the valve body assembly is assembled, and the valve body assembly is taken out.

[0020] As preferred, in the step S1, the positioning member of the positioning part cooperates with the positioning reference member of the positioning support base; the limiting member fixes the relative direction between the positioning member and the clamping leg; in the step S2, the driving member drives the outer pressing head of the movable pressing head to pre-press the spring of the valve body assembly, and the limiting member supports the clamping leg of the valve core to pass through the valve hole.

[0021] As preferred, in the step S3, the executing element drives the inner pressing head of the movable pressing head to open the clamping leg; in the step S4, the outer pressing head is retracted to reset the spring, and the spring is clamped on the clamping leg; in the step S5, the executing element drives the inner pressing head to reset.

[0022] Compared with the prior art, the present application has the following beneficial effects:

[0023] By setting the limiting member and the limiting part of the positioning support base, the valve body assembly is placed on the limiting part of the positioning support base, and the positioning part of the valve body assembly is positioned by the limiting member of the positioning support base, so that the valve body assembly can be quickly and accurately positioned, and the assembly accuracy is improved; by setting the executing element, the outer pressing head and the inner pressing head, the outer pressing head of the movable pressing head is driven by the driving member to pre-press the spring of the valve body assembly, and at the same time, the clamping leg passes through the valve hole of the valve body assembly; the inner pressing head of the movable pressing head is driven by the executing element to open the clamping leg, the outer pressing head is retracted to reset the spring, the spring is clamped with the clamping leg, and the inner pressing head is retracted, so that the assembly of the valve body assembly can be quickly completed, the assembly accuracy is improved, and the valve body assembly is not damaged. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is an overall structure sectional view of an embodiment of the device for assembling the valve body assembly of the present application;

[0025] Figure 2 It is an overall structure perspective view of an embodiment of the device for assembling the valve body assembly of the present application;

[0026] Figure 3 It is a sectional view of an embodiment of the device for assembling the valve body assembly of the present application in the assembly step S1 state;

[0027] Figure 4 It is a sectional view of an embodiment of the device for assembling the valve body assembly of the present application in the assembly step S2 state;

[0028] Figure 5 It is a sectional view of an embodiment of the device for assembling the valve body assembly of the present application in the assembly step S3 state;

[0029] Figure 6 It is a sectional view of an embodiment of the device for assembling the valve body assembly of the present application in the assembly step S4 state;

[0030] Figure 7 Figure 6 is a sectional view of an embodiment of the device for assembling valve body assembly in the state of assembly step S5 of the present application;

[0031] Figure 8 Figure 7 is a sectional view of an embodiment of the device for assembling valve body assembly in the state of assembly step S6 of the present application;

[0032] Figure 9 Figure 8 is a structural schematic view of an embodiment of the device for assembling valve body assembly before the valve body assembly is assembled of the present application;

[0033] Figure 10 Figure 9 is a structural schematic view of the valve core of the valve body assembly in an embodiment of the device for assembling valve body assembly of the present application;

[0034] Figure 11 Figure 10 is a structural schematic view of an embodiment of the device for assembling valve body assembly after the valve body assembly is assembled of the present application;

[0035] Figure 12 Figure 11 is an exploded schematic view of an embodiment of the device for assembling valve body assembly of the present application.

[0036] In the figure: 1, frame; 11, vertical support plate; 12, top plate; 121, driving member; 13, bottom plate; 14, guide plate; 141, guide groove; 2, movable pressure head; 21, outer pressure head; 211, accommodating cavity; 212, tool groove; 22, inner pressure head; 23, execution element; 3, base; 31, positioning support seat; 32, limiting member; 321, limiting part; 34, guide sleeve; 4, valve body; 41, valve hole; 5, spring; 6, valve core; 61, positioning part; 611, positioning member; 7, clamping leg. DETAILED DESCRIPTION

[0037] Embodiments of the present application are described in detail below with reference to examples shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to explain the present application, and cannot be understood as a limitation of the present application.

[0038] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0039] In addition, the terms "first", "second", "third", etc. are used herein only to describe different instances, and are not used to indicate or imply relative importance or a number of indications of the technical features indicated. Therefore, the technical features defined with "first", "second", "third", etc. can explicitly or implicitly include at least one of the technical features. In the description of the present application, the meaning of "a plurality of" is at least two, for example, two, three, etc., unless otherwise explicitly specified and limited.

[0040] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected or communicate with each other; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the terms in the present application can be understood according to the specific circumstances.

[0041] Please refer to Figures 1-12 , an embodiment of the device for assembling the valve body assembly, in which the device comprises a frame 1, a movable pressure head 2, a base 3, the movable pressure head 2 comprises an outer pressure head 21 for pre-pressing the spring 5 in the valve body assembly, an inner pressure head 22 for separating the clamping leg 7 in the valve body assembly, the base 3 comprises a positioning support seat 31 for positioning the valve core 6, a guide sleeve 34 for placing the valve body 4.

[0042] Please refer to Figures 9-11 , a structural diagram of the valve body assembly, wherein the valve body assembly comprises a valve body 4, a valve hole 41, a spring 5, a valve core 6, a positioning part 61, a positioning member 611, a clamping leg 7. The outer pressure head 21 is used for pre-pressing the spring 5 in the valve body assembly, the inner pressure head 22 is used for separating the clamping leg 7 in the valve body assembly, the positioning support seat 31 is used for positioning the valve core 6, the guide sleeve 34 is used for assisting in positioning the valve body 4, the limiting member 32 is used for cooperating with the positioning part of the valve core 6 to position, and the limiting member 32 is used for supporting the valve core 6.

[0043] In the embodiment, the positioning support seat 31 is provided with a limiting member 32 for positioning the valve core, and the limiting member 32 is provided with a limiting part 321 for cooperating with the positioning part of the valve body assembly to position.

[0044] In the embodiment, the outer pressure head 21 comprises a tool groove 212 corresponding to the clamping leg.

[0045] In the embodiment, the outer pressure head 21 is provided with a containing cavity 211 for containing the spring.

[0046] In this embodiment, the movable pressure head 2 is connected with a driving member 121, which is used to drive the movable pressure head 2 to make piston movement. The driving member 121 can be a cylinder.

[0047] In this embodiment, the inner pressure head 22 is inverted conical or V-shaped, and the inner pressure head 22 is provided with an execution element 23, which is used to drive the inner pressure head 22 to make piston movement.

[0048] In this embodiment, the rack 1 includes a vertical support plate 11, a top plate 12 and a bottom plate 13, the positioning support seat 31 is arranged on the bottom plate 13, the movable pressure head 2 is arranged on the top plate 12, the bottom of the top plate 12 is connected with a guide plate 14, the guide plate 14 is provided with a guide groove 141 which is slidably connected with the movable pressure head 2 through a connecting rod, and the guide groove 141 is used to prevent the movable pressure head 2 from rotating.

[0049] An assembling method of a device for assembling a valve body assembly, comprising the following steps:

[0050] Please refer to Figure 3 , step S1, sequentially placing the valve core 6, the valve body 4 and the spring 5 on the positioning support seat 31, the guide sleeve 34 and the spring positioning part of the valve body 4, and positioning the positioning part 61 of the valve body assembly through the limiting member 32 on the positioning support seat 31;

[0051] Please refer to Figure 4 , step S2, pressing down the movable pressure head 2, compressing the spring 5, and making the valve body 4 and the guide sleeve 34 go down, the limiting member 32 supporting the valve core 6, and the clamping leg 7 of the valve core 6 being forced to compress radially inwardly through the valve hole 41 of the valve body and the compressed spring 5;

[0052] Please refer to Figure 5 , step S3, pressing down the inner pressure head 22, expanding the clamping leg 7, and making the clamping teeth of the clamping leg 7 expand radially outwardly and exceed the outer diameter of the spring 5;

[0053] Please refer to Figure 6 , step S4, starting the upward movement of the outer pressure head 21, continuously keeping the state of expanding the clamping leg 7 by the inner pressure head 22, gradually resetting the spring 5 and entering the clamping hook into the clamping leg 7;

[0054] Please refer to Figure 7 , step S5, continuously moving upward the outer pressure head 21 and driving the inner pressure head 22 to move upward, resetting the inner pressure head 22, and completing the resetting of the movable pressure head 2;

[0055] Please refer to Figure 8 , step S6, completing the assembly of the valve body assembly, and taking out the valve body assembly.

[0056] In the step S1, the positioning member 611 of the positioning part 61 is positioned with the limiting member 32 of the positioning support base 31; the limiting member 32 fixes the relative direction between the positioning member 611 and the clamping leg 7; in the step S2, the outer pressing head 21 of the movable pressing head 2 is driven by the driving member 121 to pre-press the spring 5 of the valve body assembly, and the clamping leg 7 of the valve core 6 is supported by the limiting member 32 to pass through the valve hole 41.

[0057] In the step S3, the inner pressing head 22 of the movable pressing head 2 is driven by the executing element 23 to push open the clamping leg 7; in the step S4, the outer pressing head 21 is retracted to reset the spring 5, and the spring 5 is clamped on the clamping leg 7; in the step S5, the inner pressing head 22 is reset by the executing element 23.

[0058] By setting the limiting member 32 and the limiting part 321 of the positioning support base 31, placing the valve body assembly on the limiting part 321 of the positioning support base 31, and positioning the positioning part 61 of the valve body assembly by the limiting member 32 of the positioning support base 31, the valve body assembly can be quickly and accurately positioned, improving the assembly accuracy; by setting the executing element 23, the outer pressing head 21 and the inner pressing head 22, the outer pressing head 21 of the movable pressing head 2 is driven by the driving member 121 to pre-press the spring 5 of the valve body assembly, and the clamping leg 7 passes through the valve hole 41 of the valve body assembly; the inner pressing head 22 of the movable pressing head 2 is driven by the executing element 23 to push open the clamping leg 7; the outer pressing head 21 is retracted to reset the spring 5, and the spring 5 is clamped on the clamping leg 7; the inner pressing head 22 is retracted, which can quickly complete the assembly of the valve body assembly, improve the assembly accuracy, and not damage the valve body assembly.

[0059] After the spring 5 is compressed to the position under the outer pressing head 21, the clamping leg 7 is pushed open by the executing element 23, and the downstroke is not finished at this time; when the outer pressing head 21 rises, the inner pressing head 22 will continue to extend, the spring 5 gradually recovers into the hook part of the clamping leg 7, and the clamping leg 7 is still in the open state, until the spring 5 is completely hooked by the clamping leg 7, the inner pressing head 22 rises with the outer pressing head 21, and finally the inner pressing head 22 is reset under the pushing of the executing element 23.

[0060] The above embodiments only express several embodiments of the present application, and the description is more specific and detailed, but it cannot be understood as a limitation on the scope of the patent. It should be noted that for ordinary skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which are within the scope of the present application. Therefore, the protection scope of the present application patent should be subject to the appended claims.

Claims

1. An apparatus for assembling valve body assemblies, characterized in that: The device includes a frame (1), a movable pressure head (2), and a base (3). The movable pressure head (2) includes an outer pressure head (21) for pre-pressing the spring in the valve body assembly and an inner pressure head (22) for separating the locking feet in the valve body assembly. The base (3) includes a positioning support seat (31) for positioning the valve core and a guide sleeve (34) for placing the valve body. The positioning support (31) is provided with a limiting member (32) for positioning the valve core, and the limiting member (32) is provided with a limiting part (321), which is used to cooperate with the positioning part of the valve body assembly for positioning. The external pressure head (21) includes a tooling groove (212) corresponding to the clamping foot; The external pressure head (21) is provided with a receiving cavity (211) for accommodating the spring. The inner pressure head (22) is in the shape of an inverted cone or V, and the inner pressure head (22) is provided with an actuator (23), which is used to drive the inner pressure head (22) to make a piston-like movement.

2. The apparatus for assembling valve body assemblies according to claim 1, characterized in that: The movable pressure head (2) is connected to a driving component (121), which is used to drive the movable pressure head (2) to perform piston-like motion.

3. The apparatus for assembling valve body assemblies according to claim 1, characterized in that: The frame (1) includes a vertical support plate (11), a top plate (12) and a bottom plate (13). A positioning support seat (31) is provided on the bottom plate (13), and a movable pressure head (2) is provided on the top plate (12). A guide plate (14) is connected to the bottom of the top plate (12). A guide groove (141) is provided on the guide plate (14). The guide groove (141) is used to prevent the movable pressure head (2) from rotating.

4. An assembly method for an apparatus for assembling a valve body assembly according to any one of claims 1-3, characterized in that, Includes the following steps: Step S1: Place the valve core, valve body, and spring sequentially on the positioning support, guide sleeve, and spring positioning part of the valve body, and position the positioning part of the valve body assembly by the limiting member on the positioning support. Step S2: The movable pressure head presses down, the spring is compressed, the valve body and guide sleeve move downward, the limiting component supports the valve core, and the valve core's locking foot is forced to be radially compressed inward through the valve hole of the valve body and the compressed spring. Step S3: Press down the inner pressure head to open the locking foot, so that the locking teeth of the locking foot open radially outward and exceed the outer diameter of the spring; In step S4, the outer pressure head begins to move upward, while the inner pressure head continues to maintain the open locking foot state. The spring gradually returns to its original position and engages with the locking hook and locking foot. Step S5: The outer pressure head continues to move upward and drives the inner pressure head upward, the inner pressure head resets, and the movable pressure head completes the reset. Step S6: Valve body assembly is complete; remove the valve body assembly.

5. The assembly method of the apparatus for assembling valve body components according to claim 4, characterized in that: In step S1, the positioning part of the positioning unit cooperates with the positioning reference part of the positioning support to position; the limiting part fixes the relative direction between the positioning part and the locking foot; in step S2, the external pressure head of the movable pressure head is driven by the driving part to pre-press the spring of the valve body assembly, and the limiting part supports the locking foot of the valve core to pass through the valve hole.

6. The assembly method of the apparatus for assembling valve body components according to claim 4, characterized in that: In step S3, the inner pressure head of the movable pressure head is driven by the actuator to open the locking foot; in step S4, the outer pressure head is retracted, the spring is reset, and the spring is locked on the locking foot; in step S5, the actuator drives the inner pressure head to reset.

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