Piston supporting ring cutting device of hydraulic oil cylinder

Abstract

The utility model relates to the technical field of hydraulic oil cylinders, and discloses a piston supporting ring cutting device of a hydraulic oil cylinder, which comprises a workbench, a graduated scale used for measuring a supporting belt, and a fodder chopper connected to the workbench, the fodder chopper and the workbench are connected in the mode that the fodder chopper can generate angular displacement and linear displacement relative to the workbench, the fodder chopper is connected to the fodder chopper base, and the fodder chopper base is connected to the workbench in a sliding mode. According to the piston supporting ring cutting device of the hydraulic oil cylinder, the length of a supporting belt to be cut is accurately obtained through the graduated scale, manual cutting is replaced with the fodder chopper, a flat cut end face can be obtained, the cutting angle of the fodder chopper can be changed when the angular displacement of the fodder chopper relative to the workbench is adjusted, and cutting efficiency is improved. The cutting position of the fodder chopper can be changed when the fodder chopper conducts linear displacement relative to the workbench, the fodder chopper can adapt to different supporting rings, and the effect of guaranteeing the sealing precision of the supporting rings is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to hydraulic cylinder technical field especially is related to the piston support ring cutting device of hydraulic cylinder. BACKGROUND

[0002] Hydraulic cylinder is the execution element that transforms hydraulic energy into mechanical energy, and is composed of cylinder, piston, piston rod and end cover. It promotes the piston movement according to hydraulic oil pressure, and when hydraulic oil enters the one side chamber of cylinder, it pushes the piston to move to the other side, and makes the piston rod extend or retract to do work outside. In the field of engineering machinery, the boom and stick of excavator rely on it to complete the action, and in the automotive industry, the self-unloading vehicle carriage lifting also relies on it to realize, and it is widely used.

[0003] The piston support ring is the rubber ring between the piston and the inner wall of the cylinder, which plays a sealing role. The manufacturing process of the rubber ring is to cut the rubber belt according to the circumference of the rubber ring, and then install it on the piston after cutting into paragraphs. The end of the rubber belt is generally cut into an inclined surface to ensure the sealing performance, and according to different sizes, the inclined surface needs to be cut into different inclinations.

[0004] The existing method is manual cutting, which has a large error and affects the sealing performance. INVENTION CONTENTS

[0005] The utility model aims at at least one of the technical problems existing in the prior art. Therefore, one purpose of the utility model is to provide a piston support ring cutting device for hydraulic cylinder.

[0006] The piston support ring cutting device for hydraulic cylinder according to the utility model comprises a workbench and a scale for measuring the support belt, and further comprises a guillotine cutter connected to the workbench. The guillotine cutter is connected to the workbench in such a way that the guillotine cutter can have angular displacement and linear displacement relative to the workbench.

[0007] The advantages of such a setting are that the length of the support belt to be cut is accurately obtained through the scale, the guillotine cutter is used instead of manual cutting to obtain a flat cutting end surface, and when the guillotine cutter adjusts the angular displacement relative to the workbench, the cutting angle of the guillotine cutter can be changed, and when the guillotine cutter adjusts the linear displacement relative to the workbench, the cutting position of the guillotine cutter can be changed, which can adapt to different support rings and has the effect of ensuring the sealing accuracy of the support ring.

[0008] In some examples of the utility model, the piston support ring cutting device for hydraulic cylinder further comprises a guillotine cutter seat, the guillotine cutter is connected to the guillotine cutter seat, and the guillotine cutter seat is slidably connected to the workbench.

[0009] The purpose of such a setting is to realize the displacement adjustment of the guillotine cutter through the connection mode of the guillotine cutter seat and the workbench.

[0010] In some examples of the utility model, the workbench is provided with slide rails, the slide rails extend along the extension direction of the workbench, the cutter seat is connected with a sliding block, and the sliding block is connected on the slide rails, that is, the connection of the cutter seat and the workbench is realized by the connection of the slide rails and the sliding block.

[0011] In some examples of the utility model, the cutter comprises a connecting piece, the connecting piece is rotationally connected with the cutter seat, a toothed piece is hingedly connected on the cutter seat, a gear is arranged on the connecting piece, the toothed piece is engaged with the gear, and an elastic piece is connected between the toothed piece and the cutter seat.

[0012] The purpose of such an arrangement is that when the connecting piece drives the gear to rotate, the gear can interfere with the toothed piece to drive the toothed piece to rotate, so that the engagement between the toothed piece and the gear disappears, and the elastic piece is stretched, and the deformation of the elastic piece can drive the toothed piece to reset, so that the toothed piece and the gear are re-engaged, so as to realize the angle adjustment between the connecting piece and the cutter seat.

[0013] In some examples of the utility model, the cutter further comprises a cutter rod, one end of the cutter rod is rotationally connected with the connecting piece, and the other end is arranged as a handle.

[0014] In some examples of the utility model, the cutter further comprises a cutting edge, the cutting edge is connected in the middle of the cutter rod, and the extension direction of the cutting edge is the same as the extension direction of the cutter rod.

[0015] In some examples of the utility model, an indicating rod is connected on the cutter seat, and the indicating rod points to the scale.

[0016] In some examples of the utility model, the piston support ring cutting device of the hydraulic oil cylinder further comprises a plurality of fixers for fixing the support belt, and the plurality of fixers are distributed along the extension direction of the workbench.

[0017] The purpose of such an arrangement is that the support belt is fixed on the workbench by the fixer to assist the cutting operation of the cutter.

[0018] Additional aspects and advantages of the utility model will be partially given in the following description, some of which will become apparent from the following description, or be understood through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating creative labor.

[0020] Figure 1The utility model discloses a hydraulic cylinder's piston support ring cutting device's plan view for the embodiment of the utility model;

[0021] Figure 2 The utility model discloses a workbench's front view for the embodiment of the utility model;

[0022] Figure 3 The utility model discloses a cutter seat's side view for the embodiment of the utility model;

[0023] Figure 4 The utility model discloses a cutter seat body's structure schematic view for the embodiment of the utility model.

[0024] Mark explanation:

[0025] Workbench 1, platform 11, support column 12, sliding rail 13;

[0026] Scale ruler 2;

[0027] Cutting knife 3, connecting piece 31, gear 311, knife rod 32, handle 321, sleeve 322, cutting edge 33;

[0028] Cutter seat 4, sliding block 41, cutter seat body 42, cavity 421, toothed part 422, elastic part 423, cutter seat cover 43;

[0029] Indicator rod 5;

[0030] Fixer 6. DETAILED DESCRIPTION

[0031] In order to make the utility model embodiment's purpose, technical scheme and advantage more clearly, below will combine the drawing in the utility model embodiment, and the technical scheme in the utility model embodiment is clearly and completely described, obviously, the described embodiment is the part embodiment of the utility model, not all embodiments. Based on the embodiment in the utility model, all other embodiments that the ordinary skill in the art obtains without making the creative labor all belong to the range of the utility model protection.

[0032] In the description of the utility model, it needs to 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", "clockwise", "counterclockwise", "axial", "radial", "circumferential" are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model. The features limited by "first" and "second" can be explicitly or implicitly included one or more features. In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0033] In the description of the utility model, it needs to 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", "clockwise", "counterclockwise", "axial", "radial", "circumferential" are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model. The features limited by "first" and "second" can be explicitly or implicitly included one or more features. In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0034] The embodiments of the utility model are described in detail below, and the examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the utility model and cannot be understood as limiting the utility model.

[0035] The embodiments of the utility model are described in detail below, and the examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the utility model and cannot be understood as limiting the utility model. Figures 1-3 The cutting device for the piston support ring of the hydraulic cylinder is described below with reference to the drawings.

[0036] Please refer to the drawings Figure 1 , it is a top view of the cutting device for the piston support ring of the hydraulic cylinder, and the cutting device comprises a workbench 1 and a scale 2 for measuring the support belt a.

[0037] Please refer to the drawings Figure 2 , it is a front view of the workbench 1, and the workbench 1 comprises a platform 11 and a support column 12, and the platform 11 serves as an operation table.

[0038] Please continue to refer to the drawings Figure 1 , the scale 2 is arranged along the extension direction of the workbench 1, and during operation, the support belt a is placed on the workbench 1 along the extension direction of the workbench 1.

[0039] Please continue to see the attached Figure 1 The cutting device also includes a cutter 3 connected to the workbench 1, and the cutter 3 can be angularly displaced and linearly displaced relative to the workbench 1.

[0040] Please continue to see the attached Figure 1 The cutting device also includes a cutter seat 4, and the cutter 3 is connected to the cutter seat 4, and the cutter seat 4 is slidingly connected to the workbench 1.

[0041] Specifically, please see the attached Figure 1 and the attached Figure 3 , Figure 3 is a side view of the cutter seat 4, and the edge side of the workbench 1 is fixedly connected with a sliding rail 13 extending along the extension direction of the workbench 1, and the cutter seat 4 is connected with a sliding block 41 connected to the sliding rail 13. Specifically, the sliding block 41 is a U-shaped block, and its concave surface is sleeved on the sliding rail 13, so that the cutter seat 4 can be translated relative to the workbench 1, and correspondingly, the cutter 3 can also be translated relative to the workbench 1.

[0042] Please continue to see the attached Figure 3 The cutter seat 4 includes a cutter seat body 42 and a cutter seat cover 43, and the sliding block 41 is connected to one side of the cutter seat body 42 away from the cutter seat cover 43, and the cutter 3 includes a connecting piece 31 connected to one side of the cutter seat cover 43 away from the cutter seat body 42.

[0043] The connecting manner of the connecting piece 31 and the cutter seat 4 please see the attached Figure 4 , the attached Figure 4 is a structural schematic view of the cutter seat body 42, and one side of the cutter seat body 42 facing the cutter seat cover 43 is recessed to form a cavity 421, and the connecting piece 31 is L-shaped structure, one end of which penetrates through the cutter seat cover 43 and extends into the cavity 421 to realize the rotary connection of the connecting piece 31 and the cutter seat 4, and one end of the connecting piece 31 located in the cavity 421 is connected with a gear 311, and a toothed piece 422 is also arranged in the cavity 421, which is rotatably connected in the cavity 421 through a shaft pin, and the toothed piece 422 is engaged with the gear 311;

[0044] Please continue to see the attached Figure 4 The toothed piece 422 and the cutter seat 4 are connected with an elastic piece 423, and specifically, the elastic piece 423 is a cylindrical spring, one end of which is hung on the toothed piece 422, and the other end is hung on the inner wall of the cavity 421;

[0045] When the connecting piece 31 is rotated by an external force, the gear 311 interferes with the toothed piece 422, the toothed piece 422 deviates from the original position, and the meshing action with the gear 311 disappears, until the gear 311 stops rotating, the restoring deformation of the elastic piece 423 drives the toothed piece 422 to reset, and the angle adjustment operation is completed.

[0046] Please continue to refer to the accompanying Figure 1 The guillotine cutter 3 further comprises a cutter rod 32, one end of the cutter rod 32 is rotationally connected with the connecting piece 31, and the other end is provided as a handle 321.

[0047] Specifically, one end of the cutter rod 32 is provided with a sleeve 322, and the end of the connecting piece 31 away from the guillotine cutter seat 4 extends into the sleeve 322, so that the rotation connection between the two is realized.

[0048] Please continue to refer to the accompanying Figure 1 The guillotine cutter 3 further comprises a cutter blade 33, which is connected to the middle part of the cutter rod 32 and has the same extension direction as the cutter rod 32.

[0049] Please continue to refer to the accompanying Figure 1 The guillotine cutter seat 4 is connected with an indicating rod 5, and the indicating rod 5 points to the scale 2 to prompt the operator to support the cutting length of the support belt a.

[0050] Please continue to refer to the accompanying Figure 1 The cutting device further comprises a plurality of fixers 6 for fixing the support belt a, and the plurality of fixers 6 are distributed along the extension direction of the workbench 1.

[0051] Other components of the piston support ring cutting device of the hydraulic oil cylinder according to the embodiments of the utility model, such as the fixer 6, and operations are known to those skilled in the art, and will not be described in detail here.

[0052] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "exemplary embodiment", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the utility model. In the present application, the exemplary description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0053] Although the embodiments of the utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and their equivalents.

Claims

1. A cutting device for a piston support ring of a hydraulic cylinder, characterized in that The device comprises a workbench, a scale for measuring the support belt, and a cutter connected to the workbench. The cutter is connected to the workbench in such a way that the cutter can be angularly and linearly displaced relative to the workbench.

2. The hydraulic cylinder piston support ring cutting apparatus of claim 1, wherein, The device further comprises a cutter holder, the cutter being connected to the cutter holder, and the cutter holder being slidably connected to the workbench.

3. The hydraulic cylinder piston support ring cutting apparatus of claim 2, wherein, The workbench is provided with a slide rail extending along the extension direction of the workbench, and the cutter holder is provided with a slide block connected to the slide rail.

4. The hydraulic cylinder piston support ring cutting apparatus of claim 2, wherein, The cutter comprises a connecting member rotatably connected to the cutter holder, and the cutter holder is hingedly provided with a toothed member, the connecting member being provided with a gear, the toothed member being engaged with the gear, and the toothed member and the cutter holder being connected by an elastic member.

5. The hydraulic cylinder piston support ring cutting apparatus of claim 4, wherein, The cutter further comprises a cutter rod, one end of the cutter rod being rotatably connected to the connecting member, and the other end being provided with a handle.

6. The hydraulic cylinder piston support ring cutting apparatus of claim 5, wherein, The cutter further comprises a cutting edge connected to the middle part of the cutter rod, the extension direction of the cutting edge being the same as that of the cutter rod.

7. A hydraulic ram piston support ring cutting apparatus as claimed in any one of claims 2 to 6, wherein, The cutter holder is provided with an indicating rod, the indicating rod pointing to the scale.

8. The hydraulic cylinder piston support ring cutting apparatus of any one of claims 1-6, wherein, The device further comprises a plurality of fixers for fixing the support belt, the fixers being distributed along the extension direction of the workbench.

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