A hydraulic cylinder piston seal replacement tool

Abstract

The hydraulic cylinder piston sealing ring replacement tool disclosed by the embodiment of the application is simple and convenient to operate, reduces the working strength of the replacement personnel, is fast in replacement speed, improves the working efficiency, effectively reduces the damage of the sealing ring and the damage of the piston precision surface, and comprises a displacement chuck assembly, a fixed chuck assembly, a sliding block and a supporting receiving seat. The sliding block and the fixed chuck assembly are arranged on the supporting receiving seat, the displacement chuck assembly is arranged on the sliding block, the displacement chuck assembly moves through the sliding block, cooperates with the fixed chuck assembly, and realizes the replacement of the hydraulic cylinder piston sealing ring.

Description

Technical Field

[0001] This application relates to the field of rubber and plastic equipment, and in particular to a tooling for replacing the piston seal ring of a hydraulic cylinder. Background Technology

[0002] According to existing data and information, the piston seals of the hydraulic cylinders in vulcanizing machines are replaced manually. Because flatbed vulcanizing machines have large tonnage and large pistons with long strokes, the inner diameter of the sealing bores used is also relatively large, making seal replacement difficult.

[0003] Traditional manual replacement is labor-intensive and inefficient. Summary of the Invention

[0004] This application provides a tooling for replacing the piston seal ring of a hydraulic cylinder. It is simple and convenient to operate, reduces the workload of replacement personnel, and allows for fast replacement, thereby improving work efficiency and effectively reducing damage to the seal ring and piston precision surface.

[0005] This application provides a tooling for replacing the piston seal ring of a hydraulic cylinder, including:

[0006] Displacement chuck assembly, fixed chuck assembly, slider, and support holder;

[0007] The slider and the fixed chuck assembly are disposed on the support bearing;

[0008] The displacement chuck assembly is mounted on the slider. The displacement chuck assembly moves through the slider and cooperates with the fixed chuck assembly to replace the hydraulic cylinder piston seal ring.

[0009] Optionally, the replacement fixture further includes a slider bar, which includes a first slider bar and a second slider bar, both of which are bolted to the support bearing seat.

[0010] Optionally, the slider includes a first slider and a second slider, the first slider being disposed on the first slider bar and the second slider being disposed on the second slider bar. By moving the slider on the slider bar, the displacement chuck assembly is driven to move on the slider bar.

[0011] Optionally, the displacement chuck assembly includes a displacement support base, wherein two threaded holes of the displacement support base are concentrically aligned with the threaded holes of the first slider and the second slider, respectively, and are respectively fixed by bolts; the displacement chuck assembly is disposed on the slider via the displacement support base.

[0012] Optionally, the displacement chuck assembly further includes a displacement chuck body and a displacement chuck body positioning shaft, wherein the displacement chuck body is disposed on the displacement chuck body positioning shaft; the displacement chuck body positioning shaft is disposed in the positioning hole of the displacement support and is aligned with the left end face of the displacement support.

[0013] Optionally, the displacement chuck assembly further includes three extended chuck claws, all of which are fitted into the positioning grooves of the displacement chuck body. The extended chuck claws move along the positioning grooves of the displacement chuck body under the action of the tool.

[0014] Optionally, the fixed chuck assembly includes a fixed support base, which is fixed to the upper end face of the support bearing base by bolts.

[0015] Optionally, the fixed chuck assembly further includes a fixed chuck body and a fixed chuck body positioning shaft, wherein the fixed chuck body is disposed on the fixed chuck body positioning shaft; the fixed chuck body positioning shaft is disposed in the positioning hole of the fixed support base and is aligned with the right end face of the fixed support base.

[0016] Optionally, the fixed chuck assembly further includes three irregularly shaped chuck claws, all of which adopt a rounded and tapered design and are assembled in the positioning groove of the fixed chuck body. The irregularly shaped chuck claws move along the positioning groove of the fixed chuck body under the action of the tool.

[0017] Optionally, the replacement tooling also includes a limiting plate, which is fixed to the support bearing seat by bolts.

[0018] As can be seen from the above technical solutions, the embodiments of this application have the following advantages:

[0019] This application designs a tooling for replacing hydraulic cylinder piston seals, including a displacement chuck assembly, a fixed chuck assembly, a slider, and a support base. The slider and fixed chuck assembly are mounted on the support base, and the displacement chuck assembly is mounted on the slider. The displacement chuck assembly moves along the slider and engages with the fixed chuck assembly to replace the hydraulic cylinder piston seals. This replacement tooling utilizes the combination of the slider and chuck assembly to achieve displacement of the displacement chuck assembly along the slider direction, thereby replacing the seals. The operation is simple and convenient, reducing the workload of replacement personnel, and the replacement speed is fast, improving work efficiency. Simultaneously, this replacement method effectively reduces damage to the seals and the piston's precision surfaces. Attached Figure Description

[0020] Figure 1 This is a front view of the tooling for replacing the hydraulic cylinder piston seal ring in an embodiment of this application;

[0021] Figure 2 This is a front view of the tooling for replacing the hydraulic cylinder piston seal ring in the embodiments of this application;

[0022] Figure 3 This is a first replacement state diagram of the tooling for replacing the hydraulic cylinder piston seal ring in the embodiments of this application;

[0023] Figure 4 This is a second replacement state diagram of the tooling for replacing the hydraulic cylinder piston seal ring in the embodiments of this application. Detailed Implementation

[0024] In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and other terms indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only used to describe the relative positional relationship between the components or parts and do not specifically limit the specific installation orientation of each component or part.

[0025] Furthermore, in addition to indicating location or positional relationship, some of the aforementioned terms may also have other meanings. For example, the term "above" may also be used in some cases to indicate a certain dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in this application based on the specific circumstances.

[0026] Furthermore, the terms "installation," "setup," "equipped with," "connection," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral structure; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium, or an internal connection between two devices, components, or parts. Those skilled in the art can understand the specific meaning of these terms in this application based on the specific circumstances.

[0027] Furthermore, the structures, proportions, sizes, etc., drawn in the accompanying drawings of this application are only used to complement the content disclosed in the specification for those skilled in the art to understand and read, and are not intended to limit the conditions under which this application can be implemented. Therefore, they have no substantial technical significance. Any modification to the structure, change in the proportional relationship, or adjustment of the size, without affecting the effects and purposes that this application can produce, should still fall within the scope of the technical content disclosed in this application.

[0028] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0029] This application provides a tooling for replacing the piston seal ring of a hydraulic cylinder. It is simple and convenient to operate, reduces the workload of replacement personnel, and allows for fast replacement, thereby improving work efficiency and effectively reducing damage to the seal ring and piston precision surface.

[0030] It should be noted that the description of the tooling for replacing the hydraulic cylinder piston seal ring in this application is based on... Figure 1 For reference, Figure 1 In the center, the displacement chuck component is located on the left, and the fixed card component is located on the right.

[0031] Please see Figures 1 to 4 This application provides a tooling for replacing the piston seal ring of a hydraulic cylinder, comprising:

[0032] Displacement chuck assembly 1, fixed chuck assembly 2, slider 3, and support bearing 4;

[0033] The slider 3 and the fixed chuck assembly 2 are mounted on the support bearing 4;

[0034] The displacement chuck assembly 1 is mounted on the slider 3. The displacement chuck assembly 1 moves via the slider 3 and cooperates with the fixed chuck assembly 2 to realize the replacement of the hydraulic cylinder piston seal ring.

[0035] It should be noted that the primary function of the sealing ring in a hydraulic press system is to prevent lubricating oil leakage and the ingress of foreign matter. It is an annular cover composed of one or more parts, fixed to one of the bearing rings or washers, contacting or forming a tight seal with the other ring or washer. There are many types, but they are generally made of materials such as nitrile rubber, natural rubber, ethylene propylene rubber, and silicone rubber. Precision components in hydraulic presses are prone to damage and malfunction; once damaged, they must be replaced.

[0036] In this embodiment of the application, a tooling for replacing the piston seal ring of a hydraulic cylinder is designed for replacing the seal ring, such as... Figure 1 As shown, the displacement chuck assembly is located at the left end of the support base. It can be moved left and right by the slider to engage with the fixed chuck assembly at the right end to replace the hydraulic cylinder piston seal ring. The installation process is described below. Figure 3 and Figure 4Specifically, first, the rear end cover of the hydraulic cylinder is removed, and the piston and piston rod are extracted. The piston rod is then fixed in place by the displacement chuck assembly. Second, because the displacement chuck assembly 1 and the fixed chuck assembly 2 designed in this application's replacement tooling can accommodate different types of sealing rings and different assembly groove structures, the fixed chuck assembly enlarges the sealing ring according to the inner diameter of the hydraulic cylinder piston currently fixed by the displacement chuck assembly. Third, the displacement chuck assembly moves left and right via the slider, and the fixed chuck assembly installs the sealing ring into the groove of the hydraulic cylinder piston. Replacement follows the same principle. Carefully inspect the piston rod seal, piston seal, end cover seal, buffer device seal, exhaust valve seal, etc., locate the damaged sealing ring, and select the correct seal for replacement.

[0037] It should be noted that there are many types of sealing rings, the most commonly used being: Y-rings, Yx-rings, V-rings, Glycol seals, Step seals, and some combination seals, as well as guide rings and dust rings used in conjunction with the seals. This application allows for the selection of a seal of the same specification as the existing seal based on the sealing groove dimensions of the hydraulic cylinder for proper replacement; no specific restrictions are imposed in this application.

[0038] In this embodiment, a tooling for replacing hydraulic cylinder piston seals is designed, including a displacement chuck assembly 1, a fixed chuck assembly 2, a slider 3, and a support base 4. The slider 3 and the fixed chuck assembly 2 are mounted on the support base 4, and the displacement chuck assembly 1 is mounted on the slider 3. The displacement chuck assembly 1 moves via the slider 3 and cooperates with the fixed chuck assembly 2 to replace the hydraulic cylinder piston seals. This replacement tooling utilizes the combination of the slider and chuck assembly to achieve displacement of the displacement chuck assembly 1 along the slider direction, thereby replacing the seals. The operation is simple and convenient, reducing the workload of replacement personnel, and the replacement speed is fast, improving work efficiency. Simultaneously, this replacement method effectively reduces damage to the seals and the piston's precision surface.

[0039] Optionally, the replacement fixture also includes a slider 5, which includes a first slider 51 and a second slider 52. Both the first slider 51 and the second slider 52 are mounted on the support base 4 by bolts 7.

[0040] Optionally, the slider 3 includes a first slider 31 and a second slider 32. The first slider 31 is disposed on the first slider bar 51, and the second slider 32 is disposed on the second slider bar 52. By moving the slider 3 on the slider bar 5, the displacement chuck assembly 1 is driven to move on the slider bar 5.

[0041] It should be noted that in this embodiment, the first slider bar 51 and the second slider bar 52 are disposed on the support bearing seat 4. Both the first slider bar 51 and the second slider bar 52 are provided with threaded holes. The threaded holes of the first slider bar 51 and the second slider bar 52 are concentrically aligned with the threaded holes of the support bearing seat 4, and the bolts 7 are tightened to fix them. There are a total of 8 bolts 7.

[0042] At the same time, the first slider 31 and the second slider 32 are respectively assembled with the first slider bar 51 and the second slider bar 52, so that the first slider 31 moves on the first slider bar 51 and the second slider 32 moves on the second slider bar 52, thereby driving the displacement chuck assembly 1 to move on the slider bar 5.

[0043] Optionally, the displacement chuck assembly 1 includes a displacement support 11, the two threaded holes of the displacement support 11 being concentrically aligned with the threaded holes of the first slider 31 and the second slider 32, and respectively fixed by bolts 7; the displacement chuck assembly 1 is mounted on the slider 3 via the displacement support 11.

[0044] Optionally, the displacement chuck assembly 1 also includes a displacement chuck body 12 and a displacement chuck body positioning shaft 13. The displacement chuck body 12 is disposed on the displacement chuck body positioning shaft 13. The displacement chuck body positioning shaft 13 is disposed in the positioning hole of the displacement support 11 and is aligned with the left end face of the displacement support 11.

[0045] Optionally, the displacement chuck assembly 1 also includes extended chuck claws 14. There are three extended chuck claws 14, all of which are installed in the positioning grooves of the displacement chuck body 12. Under the action of the tool, the extended chuck claws 14 move along the positioning grooves of the displacement chuck body 12.

[0046] It should be noted that, in this embodiment, the displacement chuck assembly 1 includes a displacement support 11, a displacement chuck body 12, a displacement chuck body positioning mechanism, and extended chuck claws 14. First, the threaded holes of the displacement support 11 are concentrically aligned with the threaded holes of the first slider 31 and the second slider 32, and fixed with bolts 7, a total of 12 bolts 7; second, the displacement chuck body positioning shaft 13 is assembled into the positioning hole of the displacement support 11, aligned with the left end face of the displacement support 11, and welded and fixed; further, the displacement chuck body 12 is assembled onto the displacement chuck body positioning shaft 13 and welded and fixed; and further still, the extended chuck claws 14 (3 pieces) are respectively assembled into the positioning grooves of the displacement chuck body 12. The displacement chuck assembly 1 can move left and right on the slider 3. At the same time, the extended chuck jaws 14 can realize the conversion of different diameters. The extended chuck jaws 14 (3) can move up and down along the positioning groove of the displacement chuck body 12 under the action of the tool, thereby forming different diameters, thus meeting the inner diameter of various types of hydraulic cylinder pistons.

[0047] Optionally, the fixed chuck assembly 2 includes a fixed support base 21, which is fixed to the upper end face of the support bearing base 4 by bolts.

[0048] Optionally, the fixed chuck assembly 2 also includes a fixed chuck body 22 and a fixed chuck body positioning shaft 23. The fixed chuck body 22 is disposed on the fixed chuck body positioning shaft 23. The fixed chuck body positioning shaft 23 is disposed in the positioning hole of the fixed support 21 and is aligned with the right end face of the fixed support 21.

[0049] Optionally, the fixed chuck assembly 2 also includes three irregular chuck claws 24, all of which adopt a rounded and tapered design and are fitted into the positioning groove of the fixed chuck body 22. Under the action of the tool, the irregular chuck claws 24 move along the positioning groove of the fixed chuck body 22.

[0050] It should be noted that, in this embodiment, the fixed chuck assembly 2 includes a fixed support base 21, a fixed chuck body 22, a fixed chuck body positioning shaft 23, and irregularly shaped chuck claws 24. First, the fixed support base 21 is placed on the upper end face of the support bearing base 4 and aligned. Then, the fixed support base 21 is secured to the support bearing base 4 using bolts 7 (a total of 2 bolts). Second, the fixed chuck body positioning shaft 23 is fitted into the positioning hole of the fixed support base 21, aligned with the right end face of the fixed support base 21, and welded to it. Next, the fixed chuck body 22 of the right chuck base is fitted onto the fixed chuck body positioning shaft 23 and welded to it. Finally, the irregularly shaped chuck claws 24 (3 pieces) are respectively fitted into the positioning grooves of the fixed chuck body 22. The fixed chuck assembly 2 is fixed to the right end of the support bearing base 4 without relative displacement. The irregularly shaped chuck claws 24 (3 pieces) can move along the positioning grooves of the fixed chuck body 22 under the action of a tool, thereby forming different diameters. Meanwhile, the special-shaped chuck jaw 24 has a rounded and tapered design, which can enlarge the sealing ring without damaging its plasticity or other parts. Using it to replace the sealing ring effectively reduces damage to the sealing ring and the piston precision surface. The replacement speed is fast, the operation is simple and convenient, and the workload of the replacement personnel is reduced.

[0051] Optionally, the replacement tooling also includes a limiting plate 6, which is fixed to the support bearing seat 4 by bolts 7.

[0052] It should be noted that in this embodiment of the application, the limiting plate 6 is fixed to the left side of the support bearing seat 4 by bolts 7.

[0053] It should be noted that the above description of the disclosed embodiments enables those skilled in the art to implement or use this application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the scope of this application. Therefore, this application is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A tooling for replacing the piston seal ring of a hydraulic cylinder, characterized in that, include: Displacement chuck assembly, fixed chuck assembly, slider, and support holder; The slider and the fixed chuck assembly are disposed on the support bearing; The displacement chuck assembly is mounted on the slider. The displacement chuck assembly moves via the slider and cooperates with the fixed chuck assembly to replace the hydraulic cylinder piston seal ring. The replacement fixture also includes a slider strip, comprising a first slider strip and a second slider strip, both bolted to the support base. The slider includes a first slider and a second slider, the first slider mounted on the first slider strip and the second slider mounted on the second slider strip. Moving the slider on the slider strip moves the displacement chuck assembly on the slider strip. The displacement chuck assembly includes a displacement support base, with two threaded holes concentrically aligned with the threaded holes of the first slider and the second slider, respectively, and fixed by bolts. The displacement chuck assembly is mounted on the slider via the displacement support base. The displacement chuck assembly also includes a displacement chuck body and a displacement chuck body positioning shaft. The displacement chuck body is mounted on the displacement chuck... The displacement chuck assembly includes three extended chuck jaws, each fitted into a positioning slot in the displacement support seat. These extended chuck jaws move along the positioning slots of the displacement chuck body under the action of a tool. The fixed chuck assembly includes a fixed support seat, which is bolted to the upper surface of the support base. The fixed chuck assembly also includes a fixed chuck body and a fixed chuck body positioning shaft. The fixed chuck body is mounted on the fixed chuck body positioning shaft. The fixed chuck body positioning shaft is located in a positioning hole in the fixed support seat and is aligned with the right end face of the fixed support seat. The fixed chuck assembly further includes three irregularly shaped chuck jaws, each with a rounded and tapered design, fitted into the positioning slots of the fixed chuck body. These irregularly shaped chuck jaws move along the positioning slots of the fixed chuck body under the action of a tool.

2. The tooling replacement according to claim 1, characterized in that, The replacement tooling also includes a limiting plate, which is fixed to the support base by bolts.

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