Assembly device for hydraulic oil cylinder

By designing an assembly device for hydraulic cylinders, the coaxial assembly of the cylinder barrel and piston rod is achieved using an electromagnetic chuck and a push cylinder, solving the problem of low efficiency in manual assembly and improving assembly efficiency.

CN224026916UActive Publication Date: 2026-03-24SHANDONG WOSHENG HYDRAULIC TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-07
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

The existing method of assembling hydraulic cylinders relies on manual operation, resulting in low assembly efficiency.

Method used

An assembly device including a worktable, a feeding structure and an assembly structure is designed. The cylinder is fixed by an electromagnetic chuck, the piston rod is supported by a support seat, the piston rod is pushed into the cylinder by a hydraulic cylinder, and coaxial assembly is achieved by a limiting component.

Benefits of technology

Semi-automatic assembly of hydraulic cylinders has been achieved, improving assembly efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of hydraulic oil cylinder production equipment, in particular to an assembling device for a hydraulic oil cylinder. The assembling device comprises a workbench; the feeding structure comprises an electromagnetic chuck installed on the workbench and suitable for clamping the cylinder barrel, and a supporting base arranged side by side with the electromagnetic chuck and suitable for supporting the piston rod. The assembling structure comprises a pushing oil cylinder arranged on the side, away from the electromagnetic chuck, of the supporting base and a limiting piece installed on the pushing oil cylinder. The limiting piece is configured to clamp one end of the piston rod, and the pushing oil cylinder is configured to push the piston rod to the cylinder barrel. The assembling device for the hydraulic oil cylinder is provided with the feeding structure and the assembling structure, a cylinder barrel and a piston rod can be clamped and assembled, semi-automatic assembling of the hydraulic oil cylinder is achieved, and the assembling device has high assembling efficiency.
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Description

TECHNICAL FIELD

[0001] The utility model relates to hydraulic cylinder production equipment field, concretely relates to a kind of assembly device for hydraulic cylinder. BACKGROUND

[0002] Hydraulic cylinder is a kind of actuating mechanism in hydraulic cylinder hydraulic system, generally by cylinder, cylinder rod (piston rod), cylinder head and sealing component composition.After cylinder and piston rod processing are completed, piston rod needs to be assembled to cylinder.

[0003] The existing assembly mode is fixed cylinder by clamp, subsequently manually inserts piston rod end into cylinder barrel, and with the aid of rubber hammer, and piston is knocked into cylinder barrel.However, this assembly mode is assembled by manual, and assembly efficiency is lower.

[0004] Therefore, the prior art needs a new technical solution to solve the above problems. SUMMARY

[0005] In order to improve or solve the technical problems of low assembly efficiency by manual in prior art, the utility model provides an assembly device for hydraulic cylinder.The assembly device includes: workbench;Feeding structure, including electromagnetic chuck installed on the workbench and suitable for clamping cylinder, and support seat arranged side by side with the electromagnetic chuck and suitable for supporting piston rod;Assembly structure, including push oil cylinder arranged on the side of the support seat away from the electromagnetic chuck, and limiting piece installed on the push oil cylinder;The limiting piece is configured to clamp one end of the piston rod, and the push oil cylinder is configured to push the piston rod to the cylinder.

[0006] In the utility model a kind of assembly device for hydraulic cylinder, including workbench, feeding structure and assembly structure.Workbench is used to install feeding structure and assembly structure.Feeding structure includes electromagnetic chuck and support seat, and the electromagnetic chuck can be adsorbed and fixed to cylinder, and the support seat can support piston rod.Assembly structure includes push oil cylinder and limiting piece, and the limiting piece can clamp one end of piston rod, cooperate support seat and fix piston rod, so that piston rod and cylinder are coaxially arranged.Push oil cylinder can push piston rod to cylinder, so as to realize the assembly of hydraulic cylinder.Through the above-mentioned setting, the utility model a kind of assembly device for hydraulic cylinder sets up feeding structure and assembly structure, can clamp and assemble cylinder and piston rod, realizes the semi-automatic assembly of hydraulic cylinder, with higher assembly efficiency.

[0007] Further, the limiting piece includes limiting cylinder connected with the push oil cylinder, and limiting elastic sheet installed in the limiting cylinder;Multiple limiting elastic sheets are arranged along the circumference of the limiting cylinder.

[0008] Further, the limiting elastic sheet comprises a fixed part connected with the limiting cylinder, and an inclined part connected with the fixed part; the inclined part is adapted to abut against the piston rod.

[0009] Further, a rubber sleeve is sleeved on the circumferential outer side of the inclined part.

[0010] Further, the supporting seat and the pushing oil cylinder are connected with a lifting structure, the lifting structure comprises a lifting seat connected with the pushing oil cylinder, an adjusting seat connected with the lifting seat, and a lifting oil cylinder connected with the adjusting seat; the lifting seat and the adjusting seat are arranged on opposite sides of the workbench, and the lifting oil cylinder is installed on the side of the workbench facing the adjusting seat.

[0011] Further, a telescopic column is arranged between the lifting seat and the adjusting seat, and a telescopic hole matched with the telescopic column is formed on the workbench.

[0012] Further, a positioning plate is arranged on the side of the electromagnetic chuck away from the supporting seat.

[0013] Further, a mechanical hand adapted to clamp and feed the piston rod is further included.

[0014] Therefore, compared with the prior art, the hydraulic cylinder assembling device has the following beneficial effects:

[0015] The feeding structure comprises an electromagnetic chuck and a supporting seat, the electromagnetic chuck can adsorb and fix the cylinder barrel, and the supporting seat can support the piston rod; the assembling structure comprises a pushing oil cylinder and a limiting piece, the limiting piece can clamp one end of the piston rod, and the piston rod is fixed by cooperating with the supporting seat, so that the piston rod and the cylinder barrel are coaxially arranged; the pushing oil cylinder can push the piston rod to the cylinder barrel, thereby realizing the assembly of the hydraulic cylinder. BRIEF DESCRIPTION OF DRAWINGS

[0016] The preferred embodiments of the present application will be described below with reference to the accompanying drawings, in which:

[0017] Figure 1 is a schematic view of an embodiment of the hydraulic cylinder assembling device of the present application.

[0018] LIST OF REFERENCE NUMERALS: 1, workbench; 11, positioning plate; 2, feeding structure; 21, electromagnetic chuck; 22, supporting seat; 3, assembling structure; 31, pushing oil cylinder; 32, limiting piece; 321, limiting cylinder; 322, limiting elastic sheet; 4, lifting structure; 41, lifting oil cylinder; 42, adjusting seat; 43, lifting seat; 44, telescopic column; 45, supporting spring. DETAILED DESCRIPTION

[0019] The preferred embodiments of the present application will be described below with reference to the accompanying drawings. Those skilled in the art will understand that these embodiments are only used to explain the technical principles of the present application, and are not intended to limit the protection scope of the present application.

[0020] It should be noted that, in the description of the present application, the terms "upper", "lower", "left", "right", "inner", "outer" and the like indicate the direction or positional relationship terms based on the direction or positional relationship shown in the drawings, which are only for the convenience of description, and do not indicate or imply that the device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance.

[0021] In addition, it should be further noted that, in the description of the present application, unless otherwise explicitly specified and limited, the terms "mounting", "setting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0022] In order to improve or solve the technical problems of low assembly efficiency by manual assembly in the prior art, the present application provides an assembly device for a hydraulic oil cylinder. The assembly device comprises: a workbench 1; a feeding structure 2 comprising an electromagnetic chuck 21 mounted on the workbench 1 and adapted to clamp a cylinder barrel, and a support seat 22 arranged side by side with the electromagnetic chuck 21 and adapted to support a piston rod; an assembly structure 3 comprising a push oil cylinder 31 arranged on the side of the support seat 22 away from the electromagnetic chuck 21, and a limiting piece 32 mounted on the push oil cylinder 31; the limiting piece 32 is configured to clamp one end of the piston rod, and the push oil cylinder 31 is configured to push the piston rod towards the cylinder barrel.

[0023] Figure 1 is a schematic view of an embodiment of the assembly device for a hydraulic oil cylinder of the present application. As shown in Figure 1 In one or more embodiments, the assembly device for a hydraulic oil cylinder of the present application comprises a workbench 1, a feeding structure 2, an assembly structure 3 and a lifting structure 4.

[0024] Continuing to refer to Figure 1, the workbench 1 is a substantially rectangular plate and has opposite upper and lower sides. In one or more embodiments, the workbench 1 is provided with telescopic holes for mounting the lifting structure 4. Specifically, the telescopic holes are arranged in a rectangular pattern. Further, the workbench 1 is provided with a positioning plate 11 on one side, which is adapted to abut against the cylinder barrel to position the cylinder barrel. Further, the lifting structure 4 is mounted on the workbench 1, which includes a lifting oil cylinder 41 mounted on the workbench 1, an adjusting seat 42 connected to the lifting oil cylinder 41, and a lifting seat 43 connected to the adjusting seat 42. Among them, the lifting oil cylinder 41 is mounted on the lower side, the adjusting seat 42 is close to the lower side, and the lifting seat 43 is close to the upper side. That is, the adjusting seat 42 and the lifting seat 43 are respectively arranged on opposite sides of the workbench 1. Specifically, a telescopic column 44 is arranged between the lifting seat 43 and the adjusting seat 42, which is telescopically arranged in the telescopic hole. Further, a supporting spring 45 is sleeved on the circumferential outer side of the telescopic column 44, and the two ends of the supporting spring 45 abut against the lifting seat 43 and the workbench 1 respectively. Specifically, a limiting hole for accommodating the supporting spring 45 is arranged on the workbench 1. The limiting hole is connected to the telescopic hole.

[0025] Continuing to refer to Figure 1 The feeding structure 2 is mounted on the workbench 1. In one or more embodiments, the feeding structure 2 includes an electromagnetic chuck 21 close to the positioning plate 11 and a support seat 22 arranged side by side with the electromagnetic chuck 21. Among them, the electromagnetic chuck 21 is an arc-shaped electromagnetic chuck 21, which has an arc-shaped surface matched with the cylinder barrel, thereby supporting and adsorbing the cylinder barrel. Further, the support seat 22 is mounted on the lifting seat 43 and located on the side of the lifting seat 43 close to the electromagnetic chuck 21. Specifically, the support seat 22 also has an arc-shaped surface matched with the piston rod. Further, the assembly device also includes a mechanical hand for clamping and feeding the cylinder barrel and the piston rod. In use, the feeding structure 2 places the cylinder barrel on the electromagnetic chuck 21 by manual or mechanical hand, and then the electromagnetic chuck 21 is powered to adsorb the cylinder barrel; and then the piston rod is placed on the support seat 22 by manual or mechanical hand, and the piston head part on the piston rod is inserted into the cylinder barrel.

[0026] Continuing to refer to Figure 1The assembly structure 3 is mounted on the lifting seat 43. In one or more embodiments, the assembly structure 3 comprises a pushing oil cylinder 31 mounted on the lifting seat 43, and a limiting piece 32 mounted on the pushing oil cylinder 31. The pushing oil cylinder 31 is arranged on the side of the support seat 22 away from the electromagnetic chuck 21. The limiting piece 32 is connected to one end of the piston rod, and cooperates with the support seat 22 and the cylinder barrel, so that the piston rod and the cylinder barrel are coaxially arranged. Further, the limiting piece 32 comprises a limiting barrel 321 connected to the pushing oil cylinder 31, and a limiting spring plate 322 mounted in the limiting barrel 321. Specifically, the limiting barrel 321 is in a substantially cylindrical shape, and the opening is towards the support seat 22. The limiting spring plate 322 is uniformly and spacedly arranged along the circumference of the limiting barrel 321. For example, the limiting spring plate 322 is arranged along the circumference of the limiting barrel 321 in four. Further, the limiting spring plate 322 comprises a fixed part connected to the limiting barrel 321, and an inclined part connected to the fixed part. The fixed plate is fixed on the inner wall of the limiting barrel 321. The inclined part extends from the fixed part to the center of the limiting barrel 321 and to the bottom of the limiting barrel 321. Further, a rubber sleeve is sleeved on the outer side of the circumference of the inclined part, and the rubber sleeve is sleeved on the inclined part by bonding or clamping. When the cylinder barrel and the piston rod are assembled, the pushing oil cylinder 31 is actuated to move the limiting barrel 321 to the direction of the cylinder barrel, so as to realize the assembly of the cylinder barrel and the piston rod.

[0027] The technical scheme of the utility model has been described in combination with the preferred embodiments shown in the drawings, but it is easy for those skilled in the art to understand that the protection scope of the utility model is obviously not limited to these specific embodiments. Those skilled in the art can make equivalent changes or replacements to the related technical features without departing from the principles of the utility model, and the technical schemes after the changes or replacements will all fall within the protection scope of the utility model.

Claims

1. An assembly device for a hydraulic cylinder, characterized in that The utility model relates to a piston rod loading and assembling device, including: A workbench (1); A loading structure (2) including an electromagnetic chuck (21) installed on the workbench (1) and adapted to clamp a cylinder, and a support seat (22) arranged side by side with the electromagnetic chuck (21) and adapted to support a piston rod; An assembling structure (3) including a push oil cylinder (31) arranged on the side of the support seat (22) away from the electromagnetic chuck (21), and a limiting piece (32) installed on the push oil cylinder (31); the limiting piece (32) is configured to clamp one end of the piston rod, and the push oil cylinder (31) is configured to push the piston rod towards the cylinder.

2. An assembly device for a hydraulic cylinder according to claim 1, characterized in that The limiting piece (32) includes a limiting cylinder (321) connected with the push oil cylinder (31), and a limiting elastic sheet (322) installed in the limiting cylinder (321); the limiting elastic sheet (322) is arranged in multiple along the circumference of the limiting cylinder (321).

3. An assembly device for a hydraulic cylinder according to claim 2, characterized in that The limiting elastic sheet (322) includes a fixed part connected with the limiting cylinder (321), and an inclined part connected with the fixed part; the inclined part is adapted to abut against the piston rod.

4. An assembly device for a hydraulic cylinder according to claim 3, characterized in that A rubber sleeve is sleeved on the circumference of the inclined part.

5. An assembly device for a hydraulic cylinder according to claim 1, characterized in that The support seat (22) and the push oil cylinder (31) are connected with a lifting structure (4), the lifting structure (4) includes a lifting seat (43) connected with the push oil cylinder (31), an adjusting seat (42) connected with the lifting seat (43), and a lifting oil cylinder (41) connected with the adjusting seat (42); the lifting seat (43) and the adjusting seat (42) are arranged on opposite sides of the workbench (1), and the lifting oil cylinder (41) is installed on the side of the workbench (1) towards the adjusting seat (42).

6. An assembly device for a hydraulic cylinder according to claim 5, characterized in that A telescopic column (44) is arranged between the lifting seat (43) and the adjusting seat (42), and a telescopic hole matched with the telescopic column (44) is formed on the workbench (1).

7. An assembly device for a hydraulic cylinder according to claim 1, characterized in that A positioning plate (11) is arranged on the side of the electromagnetic chuck (21) away from the support seat (22).

8. An assembly device for a hydraulic cylinder according to claim 1, characterized in that A mechanical hand adapted to clamp and load the piston rod is further included.