Linear guide rail sliding table air cylinder

By employing a multi-structure design in the linear guide slide cylinder using gear meshing and cross roller support, the problem of low precision in the fit between the guide rail and the slider is solved, achieving high-precision and stable linear motion and reducing equipment maintenance costs.

CN224091015UActive Publication Date: 2026-04-07SUZHOU JIAMAI INTELLIGENT TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-07-18
Publication Date
2026-04-07

AI Technical Summary

Technical Problem

The existing linear guide slide cylinder has low precision in the fit between the guide rail and the slider, which causes the slider to wobble laterally and longitudinally during movement, especially affecting the movement accuracy of the cylinder at high speeds.

Method used

It employs a multi-layered structure, including a precision control mechanism, a base mechanism, and a slide mechanism. Through gear meshing and cross-distributed roller support, it eliminates wobbling and improves the fitting accuracy and stability.

Benefits of technology

It significantly improves the matching accuracy of the guide rail and slide table, meets the requirements of high-precision motion, reduces equipment maintenance costs, and improves the stability and precision assembly capability of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a linear guide rail sliding table air cylinder, and relates to the technical field of pneumatic execution elements. The sliding table mechanism is fixedly mounted at the bottom of the base mechanism; the precision control mechanism is arranged between the base mechanism and the sliding table mechanism in a transmission manner; and the precision control mechanism comprises an adjusting plate, a gear body is rotationally connected to the interior of the adjusting plate, and two sets of rollers are rotationally connected to the interior of the adjusting plate. According to the device, the moving direction of the sliding table mechanism is restrained through the limiting rod, auxiliary supporting is provided for the two sides of the sliding table through cooperation of the driving rollers and the side grooves, lateral force is offset through bidirectional inclined distribution of the cross pin rollers, and through meshing transmission of the gear body, the first tooth grooves and the second tooth grooves and rigid supporting of the cross pin rollers, the sliding table mechanism is more stable. Transverse and longitudinal shaking caused by fit clearance of a traditional sliding table air cylinder is effectively eliminated, the fit precision of the guide rail and the sliding table is remarkably improved, and the high-precision scene requirements of precise assembly, detection and the like are met.
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Description

TECHNICAL FIELD

[0001] The utility model relates to pneumatic execution element technical field especially relates to a linear guide rail sliding table cylinder. BACKGROUND

[0002] In automation equipment, linear guide rail sliding table cylinder as an important pneumatic execution element is widely used in material handling, precision assembly, detection etc.

[0003] The matching precision between the existing linear guide rail sliding table cylinder guide rail and sliding block is not high, due to the insufficient precision of processing equipment or the nonstrict process control, the cross section size error of guide rail is big, the groove size on the sliding block also has deviation, lead to the matching gap between the both exceeds reasonable range, the gap is too big in partial area, partial area even appears slight jam, this bad cooperation makes the sliding block when moving, cannot carry out the smooth straight line motion along the guide rail, is easy to appear the lateral and longitudinal swing, when the sliding block carries the load, the swing phenomenon is more obvious, especially under the high speed motion state, the swing amplitude will further increase, directly influences the motion precision of cylinder. UTILITY MODEL CONTENTS

[0004] The utility model is through multiple structure cooperation, eliminates traditional swing, promotes the cooperation precision, satisfies the high precision motion demand, strengthens the stability to solve the problem that the above background art proposes.

[0005] In order to realize the above purpose, the utility model adopts the following technical scheme: a linear guide rail sliding table cylinder, including base mechanism,

[0006] Sliding table mechanism, fixedly installed at the bottom of base mechanism,

[0007] Precision control mechanism, transmission setting between base mechanism and sliding table mechanism,

[0008] The precision control mechanism includes the inside rotation of adjusting plate It is connected with gear body, the inside rotation of adjusting plate It is connected with two groups of rollers, and two groups of rollers are cross distribution each other.

[0009] Preferably, the sliding table mechanism includes the mounting plate, the both sides outer wall of mounting plate is provided with side groove, and the inner wall bottom of mounting plate is provided with second tooth groove.

[0010] Preferably, the base mechanism includes the fixed table, and the inner wall both sides of fixed table are fixedly installed with inner fixed plate, and the inside of two inner fixed plates is provided with a group of driving rollers.

[0011] Preferably, the inner wall of the fixed table is fixedly connected with two limiting rods on one side, and the mounting plate is movably embedded between the outer walls of the two limiting rods.

[0012] Preferably, the inner wall of the fixed table is fixedly connected with two limiting rods on one side, and the mounting plate is movably embedded between the outer walls of the two limiting rods.

[0013] Preferably, the inner wall of the fixed table is fixedly connected with two limiting rods on one side, and the mounting plate is movably embedded between the outer walls of the two limiting rods.

[0014] Compared with the prior art, the utility model has the advantages and positive effects that:

[0015] 1、The device limiting rod restricts the moving direction of the sliding table mechanism, the cooperation of the drive roller and the side groove provides auxiliary support for the two sides of the sliding table, the cross roller offsets the lateral force through the bidirectional inclined distribution, the meshing transmission of the gear body and the first tooth groove and the second tooth groove is combined with the rigid support of the cross roller, the horizontal and vertical shaking of the traditional sliding table cylinder caused by the cooperation gap is effectively eliminated, the cooperation precision of the guide rail and the sliding table is significantly improved, and the high-precision scene requirements such as precision assembly and detection are met.

[0016] 2、The utility model discloses a modular design of each mechanism, and the precision control mechanism, the base mechanism and the sliding table mechanism are in the assembled structure, so that installation, debugging and later maintenance are facilitated, and the maintenance cost of equipment is reduced. DRAWINGS

[0017] Figure 1 A three-dimensional structure schematic diagram of the linear guide rail sliding table cylinder is provided for the utility model;

[0018] Figure 2 A side view structure plan of the linear guide rail sliding table cylinder is provided for the utility model;

[0019] Figure 3 A partial structure perspective view of the linear guide rail sliding table cylinder is provided for the utility model;

[0020] Figure 4 A partial structure plan of the linear guide rail sliding table cylinder is provided for the utility model;

[0021] Figure 5 A precision control mechanism side view plan of the linear guide rail sliding table cylinder is provided for the utility model.

[0022] LEGEND:

[0023] 1、The base mechanism;11、The fixed table;111、The first tooth groove;12、The inner fixed plate;13、The drive roller;14、The limiting rod;

[0024] 2, sliding table mechanism; 21, mounting plate; 211, side groove; 212, second tooth groove;

[0025] 3, precision control mechanism; 31, adjusting plate; 32, gear body; 33, roller. DETAILED DESCRIPTION

[0026] In order to enable the above-mentioned purposes, features and advantages of the present application to be more clearly understood, the present application will be further described below with reference to the drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0027] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application, but the present application can also be practiced without the other ways described herein, therefore, the present application is not limited to the specific embodiments disclosed in the following description.

[0028] Embodiment one: refer to Figure 1 - Figure 5 As shown: a linear guide rail sliding table air cylinder, comprising a base mechanism 1;

[0029] Sliding table mechanism 2, fixedly installed at the bottom of base mechanism 1;

[0030] Precision control mechanism 3, transmission is arranged between base mechanism 1 and sliding table mechanism 2;

[0031] The precision control mechanism 3 comprises an adjusting plate 31, the inside of the adjusting plate 31 is rotatably connected with a gear body 32, the inside of the adjusting plate 31 is rotatably connected with two groups of rollers 33, and the two groups of rollers 33 are distributed in cross.

[0032] In this embodiment, first, the device in the process of practical application, the precision control mechanism 3 is arranged between base mechanism 1 and sliding table mechanism 2, wherein the gear body 32 is engaged between the first tooth groove 111 and the second tooth groove 212 respectively, and the two groups of rollers 33 are respectively inclined to left and right at an angle of forty-five degrees, and the two groups of rollers 33 are arranged in cross, and can be in a rotating state by itself;

[0033] According to Figure 2As shown, when the "left tilt" group of rollers 33, the rollers 33 can be in contact with the left side of the inner wall of the fixed table 11 and the right side of the inner wall of the mounting plate 21, and vice versa, the right tilt group of rollers 33 can be in contact with the right side of the inner wall of the fixed table 11 and the left side of the inner wall of the mounting plate 21, in a rolling friction, in the process, the sliding table mechanism 2 can be in a moving state under the action of external force, in the process of the gear body 32 self-transmission, can be engaged transmission between the first tooth groove 111 and the second tooth groove 212, and with the cooperation of the two groups of rollers 33 rolling friction, so as to improve the stability of the guide rail sliding table cylinder in the moving process.

[0034] Embodiment two: according to Figure 1 - Figure 4 As shown: the sliding table mechanism 2 includes a mounting plate 21, the two sides of the mounting plate 21 are provided with side grooves 211, and the inner wall of the mounting plate 21 is provided with a second tooth groove 212;

[0035] The base mechanism 1 includes a fixed table 11, the inner wall of the fixed table 11 is fixedly provided with an inner fixed plate 12 on both sides, the inside of the two inner fixed plates 12 is provided with a group of drive rollers 13, one side of the inner wall of the fixed table 11 is fixedly connected with two limiting rods 14, and the mounting plate 21 is movably embedded between the outer walls of the two limiting rods 14;

[0036] The inner wall of the fixed table 11 is provided with a first tooth groove 111 at the bottom, the top end of the gear body 32 is engaged with the first tooth groove 111, the bottom end of the gear body 32 is engaged with the second tooth groove 212, the drive roller 13 is movably embedded in the inside of the side groove 211, and the outer wall of the drive roller 13 is fitted with the inner wall of the side groove 211.

[0037] In this embodiment, when the sliding table mechanism 2 moves in the base mechanism 1, the precision control mechanism 3 can improve the precision of the movement between the two, and in the process, the two inner fixed plates 12 are provided with a group of drive rollers 13, which are respectively engaged in the inside of the side groove 211, supporting both sides during movement, supporting and limiting the sliding table mechanism 2, further improving the precision of the guide rail sliding table in use.

[0038] Working principle: when the linear guide rail sliding table cylinder works, the sliding table mechanism 2 moves accurately in the base mechanism 1 through the cooperation of the precision control mechanism 3;

[0039] The fixed table 11 is internally provided with a cylinder main body, compressed air is introduced through an air inlet to drive a piston, the piston is connected with a mounting plate 21 to drive the sliding table mechanism 2 to move, the mounting plate 21 moves along the axial direction of a limiting rod 14, the limiting rod 14 strictly limits the moving direction of the mounting plate 21 to prevent lateral deviation, a gear main body 32 in the precision control mechanism 3 is simultaneously engaged with a first tooth groove 111 of the fixed table 11 and a second tooth groove 212 of the mounting plate 21, with the movement of the sliding table mechanism 2, the gear main body 32 rolls between the tooth grooves, the linear precision of movement is ensured through the rigid transmission of gear engagement, meanwhile, two groups of crossed distribution forty-five degree inclined rollers 33 in the adjusting plate 31 are respectively in contact with the inner wall of the fixed table 11 and the inner wall of the mounting plate 21, the left inclined roller 33 is in contact with the left inner wall of the fixed table 11 and the right inner wall of the mounting plate 21, the right inclined roller 33 is in contact with the right inner wall of the fixed table 11 and the left inner wall of the mounting plate 21, the rolling friction of the rollers 33 further reduces the movement resistance and offsets the lateral shaking through cross support, the driving roller 13 on the inner fixed plate 12 of the base mechanism 1 is embedded in the side groove 211 of the mounting plate 21, with the movement of the sliding table, the driving roller 13 rolls in the side groove 211 to provide support to the two sides of the mounting plate 21 to avoid lateral inclination during movement, further improving the stability.

[0040] According to the above operation, the use of the linear guide rail sliding table air cylinder can be completed.

[0041] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification of the above embodiments without departing from the technical content of the present application, according to the technical essence of the present application, still belong to the protection scope of the present application.

Claims

1. A linear guide slide cylinder, characterized in that: Includes a base mechanism (1); The slide mechanism (2) is fixedly installed at the bottom of the base mechanism (1); The precision control mechanism (3) is driven between the base mechanism (1) and the slide mechanism (2); The precision control mechanism (3) includes an adjustment plate (31), a gear body (32) is rotatably connected inside the adjustment plate (31), and two sets of rollers (33) are rotatably connected inside the adjustment plate (31), with the two sets of rollers (33) being distributed crosswise.

2. The linear guide slide cylinder according to claim 1, characterized in that: The slide mechanism (2) includes a mounting plate (21), with side grooves (211) on both outer walls of the mounting plate (21) and a second toothed groove (212) at the bottom of the inner wall of the mounting plate (21).

3. A linear guide slide cylinder according to claim 1, characterized in that: The base mechanism (1) includes a fixed platform (11), and inner fixing plates (12) are fixedly installed on both sides of the inner wall of the fixed platform (11). A set of driving rollers (13) is provided inside the two inner fixing plates (12).

4. A linear guide slide cylinder according to claim 3, characterized in that: Two limiting rods (14) are fixedly connected to one side of the inner wall of the fixed platform (11), and the mounting plate (21) is movably embedded between the outer walls of the two limiting rods (14).

5. A linear guide slide cylinder according to claim 3, characterized in that: The bottom of the inner wall of the fixed platform (11) is provided with a first tooth groove (111), the top of the gear body (32) meshes with the first tooth groove (111), and the bottom of the gear body (32) meshes with the second tooth groove (212).

6. A linear guide slide cylinder according to claim 3, characterized in that: The drive roller (13) is movably embedded inside the side groove (211), and the outer wall of the drive roller (13) is in contact with the inner wall of the side groove (211).