Hydraulic cylinder assembling and positioning jig

By using an infrared distance sensor and cylinder system in the hydraulic cylinder assembly positioning fixture, the tilt state of the cylinder is detected and adjusted, solving the problem of height change after the cylinder is clamped, ensuring assembly accuracy, and achieving stable positioning and protection.

CN223604262UActive Publication Date: 2025-11-28WUXI JINGYIDA TECH CO LTD
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Patent Information

Application Number
CN202423298242.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2025-11-28
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

During the assembly of hydraulic cylinders, the tilting of the cylinder barrel causes changes in the cylinder barrel height, affecting the subsequent assembly accuracy.

Method used

Design a hydraulic cylinder assembly positioning fixture. Use an infrared distance sensor to detect the cylinder tilt state. Adjust the height of the mounting bracket by controlling the first cylinder to ensure the cylinder remains stable. Combine with the telescopic cylinder and spring to restore the original height, thus achieving cylinder positioning and protection.

Benefits of technology

This effectively prevents the cylinder barrel from changing height after clamping, ensuring assembly accuracy and improving the smooth progress of subsequent assembly work.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223604262U_ABST
    Figure CN223604262U_ABST
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Abstract

The utility model discloses a hydraulic cylinder assembling and positioning jig, which relates to the field of hydraulic cylinder processing and comprises a base, a plurality of first cylinders are mounted at the top of the base, output ends of the first cylinders are connected with a mounting frame, a fixing seat is arranged in the mounting frame, a mounting plate is movably arranged at the top of the fixing seat, and the mounting plate is provided with a positioning hole. A positioning cylinder is mounted in the fixing seat, an infrared distance sensor is mounted in the positioning cylinder, and a clamping mechanism is mounted at the top of the mounting frame. The cylinder barrel is clamped through the clamping mechanism, when the cylinder barrel is clamped in an inclined state, the cylinder barrel gradually returns to be right at the moment and extrudes the mounting plate, the mounting plate moves downwards, the infrared distance sensor detects the position change of the mounting plate and sends a signal to the controller, the first air cylinder is controlled to be started, and the mounting frame is lifted upwards; and the position of the cylinder barrel is kept unchanged, so that the subsequent assembly work can be smoothly carried out.
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Description

TECHNICAL FIELD

[0001] The utility model relates to hydraulic cylinder processing field, concretely is a kind of hydraulic cylinder assembly positioning jig. BACKGROUND

[0002] Hydraulic cylinder is the hydraulic energy into mechanical energy, do linear reciprocating motion (or swing motion) hydraulic actuator, it simple structure, work reliable, when using it to realize reciprocating motion, can dispense with speed reducer, and there is no transmission gap, movement is stable, therefore, it is widely used in the hydraulic system of various machines, hydraulic cylinder output force and the effective area of piston and the pressure difference of its two sides are directly proportional;Hydraulic cylinder is basically composed of cylinder barrel and cylinder cover, piston and piston rod, sealing device, buffer device and exhaust device.

[0003] Before hydraulic cylinder assembly, the cylinder barrel of hydraulic cylinder needs to be stably fastened, and subsequent assembly work is carried out on the fixed cylinder barrel, and the stable fastening of the cylinder barrel is usually realized on the workbench, and the cylinder barrel is placed on the workbench, and the cylinder barrel is clamped by the clamping mechanism.

[0004] However, in the actual assembly process, the clamping mechanism clamps the cylinder barrel, which depends on the state of the cylinder barrel entering the clamping position, and the height of the cylinder barrel may change after clamping in the inclined state, so that the subsequent assembly affects the assembly accuracy of the subsequent parts. UTILITY MODEL CONTENTS

[0005] Therefore, the utility model aims at providing a hydraulic cylinder assembly positioning jig to solve the technical problem that the height of the cylinder barrel changes after general inclined cylinder barrel is clamped.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a hydraulic cylinder assembly positioning jig, which comprises a base, a plurality of first air cylinders are installed on the top of the base, an installation frame is connected to the output end of the first air cylinder, a fixed seat is arranged in the installation frame, an installation plate is movably arranged on the top of the fixed seat, a positioning cylinder is installed in the fixed seat, an infrared distance sensor is installed in the positioning cylinder, and a clamping mechanism is installed on the top of the installation frame.

[0007] The utility model is further provided with a plurality of telescopic cylinders in the fixed seat, and springs are installed in the telescopic cylinders.

[0008] The utility model is further provided with a second air cylinder and a clamping block in the clamping mechanism, the second air cylinder is installed on the top of the installation frame, and the output end of the second air cylinder is connected with the clamping block.

[0009] The utility model is further provided with a limiting block on the bottom of the clamping block, and the limiting block is slidably arranged on the two sides of the installation frame.

[0010] The utility model further sets up, the top of mounting plate is provided with rubber soft pad.

[0011] The utility model further sets up, the inner wall of clamping block is provided with clamping groove, the inner wall of clamping groove is provided with rubber pad.

[0012] In conclusion, the utility model mainly has the following beneficial effects: the utility model discloses a clamping mechanism is to the cylinder clamping, when the cylinder is in the state of inclination and is clamped, the cylinder will gradually be righted when this time, and the mounting plate is extruded, the mounting plate moves downward, and the infrared distance sensor detects the position change of the mounting plate, and sends a signal to the controller, and controls the first air cylinder to start, and the mounting frame is lifted upward, and the position of the cylinder is kept unchanged, so that the subsequent assembly work can be carried out smoothly. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the cylinder clamping state schematic view of the utility model;

[0014] Figure 2 It is the fixed seat internal structure schematic view of the utility model;

[0015] Figure 3 It is the cylinder clamping state schematic view of the utility model;

[0016] Figure 4 It is the cylinder clamping state schematic view of the utility model;

[0017] In the drawing: 1, base; 2, fixed seat; 3, mounting plate; 4, mounting frame; 5, first air cylinder; 6, second air cylinder; 7, clamping block; 8, limit block; 9, clamping groove; 10, telescopic cylinder; 11, spring; 12, positioning cylinder; 13, infrared distance sensor. DETAILED DESCRIPTION

[0018] The technical scheme in the utility model embodiment will be described clearly and completely in combination with the drawings in the utility model embodiment. The embodiment described below is exemplary and is used for explaining the utility model only, and can not be understood as the limitation of the utility model.

[0019] The embodiment of the utility model will be described below according to the overall structure.

[0020] A kind of hydraulic cylinder assembly positioning fixture, such as Figures 1-4As shown, including the base 1, the top of the base 1 is provided with a plurality of first cylinder 5, the output end of the first cylinder 5 is connected with the mounting frame 4, the top of the mounting frame 4 is provided with a clamping mechanism, the clamping mechanism includes a second cylinder 6 and a clamping block 7, the second cylinder 6 is installed on the top of the mounting frame 4, the output end of the second cylinder 6 is connected with the clamping block 7, when the cylinder needs to be clamped, the cylinder is placed between the clamping block 7, at this time, the second cylinder 6 is started, the second cylinder 6 drives the clamping block 7 to move forward, and the cylinder is clamped.

[0021] The bottom of the clamping block 7 is provided with a limiting block 8, the limiting block 8 is slidably arranged on the two sides of the mounting frame 4, and the limiting block 8 limits the movement of the clamping block 7.

[0022] When the cylinder is in an inclined state and enters the clamping position, the clamping will cause the height of the cylinder to change, the inside of the mounting frame 4 is provided with a fixing seat 2, the top of the fixing seat 2 is movably provided with a mounting plate 3, the inside of the fixing seat 2 is provided with a positioning cylinder 12, and the inside of the positioning cylinder 12 is provided with an infrared distance sensor 13, the inclined state cylinder is clamped and drives the mounting plate 3 to move downward, the infrared distance sensor 13 senses the distance change of the mounting plate 3, sends a signal to the controller, the controller drives the first cylinder 5 to start, and the first cylinder 5 drives the mounting frame 4 to move upward, thereby adjusting the height of the cylinder, so that the cylinder has the same assembly height.

[0023] Further, the inside of the fixing seat 2 is provided with a plurality of telescopic cylinders 10, the inside of the telescopic cylinder 10 is provided with a spring 11, when the cylinder extrudes the mounting plate 3, the mounting plate 3 will extrude the telescopic cylinder 10 at the same time, and after the assembly is completed, the spring 11 will lift the mounting plate 3 upward to restore the original height.

[0024] The top of the mounting plate 3 is provided with a rubber soft pad, the inner wall of the clamping block 7 is provided with a clamping groove 9, the clamping groove 9 is V-shaped, which can better clamp the cylinder, and the inner wall of the clamping groove 9 is provided with a rubber pad, and the rubber soft pad and the rubber pad protect the cylinder.

[0025] The controller and other structures mentioned in the above structure are all prior art, which can control the first cylinder 5, so specific labels are not marked in the figure, and those skilled in the art can select appropriate ways for use.

[0026] Although the embodiments of the utility model have been shown and described, the specific embodiments are only an explanation of the utility model, and are not a limitation of the utility model, and the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

Claims

1. A hydraulic cylinder assembly positioning jig comprising a base (1), characterised in that: The top of the base (1) is provided with a plurality of first cylinders (5), the output end of the first cylinder (5) is connected with a mounting frame (4), the inside of the mounting frame (4) is provided with a fixing seat (2), the top of the fixing seat (2) is movably provided with a mounting plate (3), the inside of the fixing seat (2) is provided with a positioning cylinder (12), the inside of the positioning cylinder (12) is provided with an infrared distance sensor (13), the top of the mounting frame (4) is provided with a clamping mechanism.

2. The hydraulic cylinder assembly positioning fixture of claim 1, wherein: The inside of the fixing seat (2) is provided with a plurality of telescopic cylinders (10), the inside of the telescopic cylinder (10) is provided with a spring (11).

3. The hydraulic cylinder assembly positioning fixture of claim 1, wherein: The clamping mechanism comprises a second cylinder (6) and a clamping block (7), the second cylinder (6) is mounted on the top of the mounting frame (4), the output end of the second cylinder (6) is connected with the clamping block (7).

4. The hydraulic cylinder assembly positioning fixture of claim 3, wherein: The bottom of the clamping block (7) is provided with a limiting block (8), the limiting block (8) is slidably arranged on both sides of the mounting frame (4).

5. The hydraulic cylinder assembly positioning fixture of claim 1, wherein: The top of the mounting plate (3) is provided with a rubber soft pad.

6. The hydraulic cylinder assembly positioning fixture of claim 3, wherein: The inner wall of the clamping block (7) is provided with a clamping groove (9), the inner wall of the clamping groove (9) is provided with a rubber pad.