Positioning device for manufacturing and processing oil-free bushing

By designing a combination of limiting and fixing components and positioning and rotating components, the problem of fixing and rotating the inner and outer sides in the machining of oil-free bushings was solved, achieving stable fixing and convenient rotation, thus improving machining efficiency and results.

CN223802356UActive Publication Date: 2026-01-16JIANGXI DONGFANG LEOPARD TECH CO LTD
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Patent Information

Application Number
CN202520406679.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-10
Publication Date
2026-01-16
Estimated Expiration
2035-03-10

AI Technical Summary

Technical Problem

Existing positioning devices for manufacturing oil-free bushings can only fix the outer side of the bushing, making it difficult to achieve internal fixation and rotation, resulting in high technical difficulty and inconvenience during surface polishing and grinding.

Method used

A positioning device is designed, comprising a limiting and fixing component, a lowering component, and a positioning and rotating component. Through the cooperation of a motor and a cylinder, the inner and outer sides of the oilless bushing are fixed and rotated. By utilizing structures such as threaded rods, fixing clamps, positioning cylinders, and ball rods, multi-directional fixing and rotation are achieved.

Benefits of technology

It achieves stable fixing and convenient rotation of oil-free bushings, simplifies the processing process, and improves processing efficiency and results.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a locating device for manufacturing and processing an oil-free bushing, which comprises a working table, limiting and fixing components, a downward moving component and a locating and rotating component, the limiting and fixing components are arranged on two sides of the top of the working table, the downward moving component is arranged on the top of the limiting and fixing components, and the locating and rotating component is arranged on the working table. The positioning rotating assembly is arranged at the bottom of the downward moving assembly, the limiting fixing assembly comprises an L-shaped base, a first motor, a first sliding groove, a first sliding block, a fixing clamp and a threaded rod, and the downward moving assembly comprises a mounting frame, a first air cylinder, a fixing plate and a sliding rod. The positioning device for manufacturing and machining the oil-free bushing has the advantages of being good in fixing effect and convenient to rotate, and solves the problems that when a positioning device in the prior art is used for fixing the bushing, only the outer side of the bushing can be fixed, the technical difficulty is large when the surface of the bushing needs to be polished and ground, and the working efficiency is high. And meanwhile, the problem that the position is inconvenient to rotate is solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to oilless bush manufacturing and processing technical field, concretely relates to a positioning device for oilless bush manufacturing and processing. BACKGROUND

[0002] Oilless bush is a high-force brass bearing with oil channel oil as lubrication. The product has the function of traditional tin bronze bearing. Since high-force brass is adopted, the HB hardness of the product is doubled, so that the product can be used in low-speed occasions, and the service life of the product can be doubled compared with general bronze bush, and the product has large bearing pressure and can be used in heavy-load occasions.

[0003] In the manufacturing process of the bearing bush, the oilless bush refers to the bush without filling lubricating oil, and the user needs to polish, polish and deburr the initially processed bush, and the positioning device can fix the oilless bush at a specified position, facilitate the equipment to process, and the positioning device of the prior art can only fix the outer side of the bush, and when the surface of the bush needs to be polished and polished, the technical difficulty is large, and the position of the bush is not convenient to rotate, therefore, the positioning device for oilless bush manufacturing and processing is needed to overcome the above defects. UTILITY MODEL CONTENTS

[0004] The utility model discloses a positioning device for oilless bush manufacturing and processing, which has the advantages of good fixing effect and convenient rotation, to solve the problems in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a positioning device for oilless bush manufacturing and processing, including workbench, limit fixed component, down component and positioning rotation component, the limit fixed component all sets up at both sides of workbench top, the down component sets up at the top of limit fixed component, the positioning rotation component sets up at the bottom of down component, the limit fixed component includes L type seat, first motor, first sliding slot, first sliding block, fixed clamp and screw rod, the down component includes installation frame, first air cylinder, fixed plate and slide rod, the positioning rotation component includes second motor, carousel, installation ring frame, positioning cylinder, positioning ball rod, second air cylinder, fixed ball, positioning groove, second sliding slot, second sliding block and spring.

[0006] Further, the first motor is fixedly installed on the side of the L-shaped seat that is relatively far away, the first sliding slot is opened in the interior of the L-shaped seat, the first sliding block slides in the interior of the first sliding slot, and the first air cylinder is fixedly installed at the center of the top of the installation frame.

[0007] Further, the threaded rod is rotated in the first sliding block through threads, the output shaft of the first motor is fixedly connected to the side of the threaded rod away from the inner cavity of the first sliding slot, and the fixed plate is arranged in the inner cavity of the mounting frame.

[0008] Further, the fixed clamp is fixedly installed on the side of the first sliding block close to the mounting frame, the bottom of the L-shaped seat is fixedly connected to the two sides of the top of the workbench, the bottom of the first air cylinder is fixedly connected to the top of the fixed plate through the inner cavity of the mounting frame, and the two sides of the sliding rods are slidably arranged in the inner cavity of the fixed plate.

[0009] Further, the top of the sliding rod is fixedly connected to the top of the inner cavity of the mounting frame, the bottom of the sliding rod is fixedly connected to the top of the L-shaped seat, and the bottom of the mounting frame is fixedly connected to the top of the L-shaped seat.

[0010] Further, the second motor is fixedly installed at the center of the bottom of the fixed plate, the rotating disc is fixedly installed at the bottom of the second motor, the mounting ring-shaped frame is fixedly installed at the bottom of the rotating disc, and the positioning cylinder is fixedly installed in the inner cavity of the mounting ring-shaped frame.

[0011] Further, the second air cylinder is fixedly installed at the top of the positioning cylinder, the positioning grooves are arranged at the two sides of the inner cavity of the positioning cylinder, the positioning ball rods are slidably arranged in the inner cavities of the positioning grooves, the fixed ball is arranged in the inner cavity of the positioning cylinder, and the bottom of the second air cylinder is fixedly connected to the top of the fixed ball through the inner cavity of the positioning cylinder.

[0012] Further, the second sliding slot is arranged at the bottom of the positioning ball rod, the second sliding block is slidably arranged in the inner cavity of the second sliding slot, the bottom of the second sliding block is fixedly connected to the inner cavity of the positioning groove, and the spring is fixedly installed in the inner cavity of the second sliding slot and located on the inner side of the second sliding block.

[0013] As the above-mentioned technology is adopted, the beneficial effects of the present application are as follows:

[0014] The utility model discloses a fixedly fixing the outside of oilless bushing through the setting of limiting fixed component, the position of positioning rotation subassembly is removed through the setting of down shift subassembly, the inside of oilless bushing is fixed through the setting of positioning rotation subassembly to it and is rotated, when needing to fix its outside, open first motor, and the fixed clamp is moved to the inside through the rotation of screw rod that first motor is driven, and the oilless bushing is fixed under the action of fixed clamp, thereby convenient to its inside processing, when processing its outside, open first air cylinder, and the fixed plate is moved down through first air cylinder, and the positioning cylinder enters the inside of oilless bushing, then open second air cylinder, and the fixed ball is moved down through second air cylinder, and positioning ball lever is moved to the outside under the action of fixed ball, thereby the inside of oilless bushing is fixed, open second motor after fixing, and the rotation of carousel, mounting ring and positioning cylinder are driven through second motor, thereby indirectly rotating oilless bushing, have the advantage that the fixed effect is good and convenient rotation, solve the positioning device of prior art when fixing bushing, only its outside can be fixed, when needing to polish the surface and polish, the technical difficulty is greater, and the position is inconvenient to rotate. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the structure schematic drawing of the utility model;

[0016] Figure 2 It is the structure schematic drawing of the positioning rotation subassembly of the utility model;

[0017] Figure 3 It is the structure schematic drawing of the limiting fixed component of the utility model;

[0018] Figure 4 It is the structure schematic drawing of the positioning cylinder section of the utility model;

[0019] Figure 5 It is the structure schematic drawing of the positioning ball lever of the utility model.

[0020] In the drawing: 1, workbench;2, limiting fixed component;21, L type seat;22, first motor;23, first sliding slot;24, first sliding block;25, fixed clamp;26, threaded rod;3, down shift subassembly;31, mounting frame;32, first air cylinder;33, fixed plate;34, sliding rod;4, positioning rotation subassembly;41, second motor;42, carousel;43, mounting ring;44, positioning cylinder;45, positioning ball lever;46, second air cylinder;47, fixed ball;48, positioning groove;49, second sliding slot;491, second sliding block;492, spring. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the utility model embodiment clearer, the technical scheme in the utility model embodiment will be clearly and completely described below in combination with the drawings in the utility model embodiment. Obviously, the described embodiment is part of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents the selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0022] The utility model provides a kind of positioning device for oilless bush manufacturing and processing as shown in Figures 1-5 As shown in, a kind of positioning device for oilless bush manufacturing and processing, including workbench 1, limit fixed component 2, lower component 3 and positioning rotating component 4, limit fixed component 2 all is set in the top of workbench 1 both sides, lower component 3 is set in the top of limit fixed component 2, positioning rotating component 4 is set in the bottom of lower component 3, limit fixed component 2 includes L type seat 21, first motor 22, first sliding slot 23, first sliding block 24, fixed clamp 25 and threaded rod 26, lower component 3 includes installation frame 31, first cylinder 32, fixed plate 33 and slide bar 34, positioning rotating component 4 includes second motor 41, turntable 42, installation ring frame 43, positioning cylinder 44, positioning ball rod 45, second cylinder 46, fixed ball 47, positioning groove 48, second sliding slot 49, second sliding block 491 and spring 492;

[0023] More specifically, by setting positioning rotating component 4 to the inside of oilless bush is fixed, and it is rotated, when needing to fix its outside, open first motor 22, by first motor 22 drive threaded rod 26 rotation, so that first sliding block 24 drive fixed clamp 25 moves to inboard, and under the action of fixed clamp 25, oilless bush is fixed, to facilitate its inside processing, when its outside is processed, open first cylinder 32, by first cylinder 32 drive fixed plate 33 to move down, so that positioning cylinder 44 enters the inside of oilless bush, then open second cylinder 46, by second cylinder 46 drive fixed ball 47 to move down, and under the action of fixed ball 47, make positioning ball rod 45 move to outside, so that the inside of oilless bush is fixed, after fixing, open second motor 41, by second motor 41 drive turntable 42, installation ring frame 43 and positioning cylinder 44 rotation, so that indirectly oilless bush is rotated, with the advantages that fixing effect is good and convenient rotation.

[0024] In some embodiments, the first motor 22 is fixedly installed on the opposite side of the L-shaped seat 21, the first sliding groove 23 is arranged in the interior of the L-shaped seat 21, the first sliding block 24 is slidably arranged in the first sliding groove 23, the first air cylinder 32 is fixedly installed at the center of the top of the mounting frame 31, and more specifically, the first sliding groove 23 is arranged to limit the first sliding block 24 to prevent the first sliding block 24 from shaking during movement, and the mounting frame 31 is arranged to mount the first air cylinder 32.

[0025] In some embodiments, the threaded rod 26 is threadedly rotated in the first sliding block 24, the output shaft of the first motor 22 penetrates into the inner cavity of the first sliding groove 23 and is fixedly connected to the opposite side of the threaded rod 26, and the fixed plate 33 is arranged in the inner cavity of the mounting frame 31, and more specifically, the first motor 22 is arranged to drive the threaded rod 26 to indirectly move the position of the first sliding block 24.

[0026] In some embodiments, the fixed clamp 25 is fixedly installed on the opposite side of the first sliding block 24, the bottom of the L-shaped seat 21 is fixedly connected to the two sides of the top of the workbench 1, the bottom of the first air cylinder 32 penetrates into the inner cavity of the mounting frame 31 and is fixedly connected to the top of the fixed plate 33, and the two sides of the fixed plate 33 are slidably arranged in the inner cavity of the mounting frame 31, and more specifically, the first sliding block 24 is arranged to limit the fixed clamp 25 to prevent the fixed clamp 25 from shaking during movement, and the fixed clamp 25 is arranged to fix the outer side of the oil-free bushing.

[0027] In some embodiments, the top of the sliding rod 34 is fixedly connected to the top of the inner cavity of the mounting frame 31, the bottom of the sliding rod 34 is fixedly connected to the top of the L-shaped seat 21, and the bottom of the mounting frame 31 is fixedly connected to the top of the L-shaped seat 21, and more specifically, the sliding rod 34 is arranged to limit the fixed plate 33 to prevent the fixed plate 33 from shaking during movement.

[0028] In some embodiments, the second motor 41 is fixedly installed at the center of the bottom of the fixed plate 33, the rotating disc 42 is fixedly installed at the bottom of the second motor 41, the mounting ring-shaped frame 43 is fixedly installed at the bottom of the rotating disc 42, and the positioning cylinder 44 is fixedly installed in the interior of the mounting ring-shaped frame 43, and more specifically, the second motor 41 is arranged to drive the rotating disc 42, and the rotating disc 42 is arranged to mount the mounting ring-shaped frame 43.

[0029] In some embodiments, the second cylinder 46 is fixedly installed at the top of the positioning cylinder 44, the positioning grooves 48 are arranged at both sides of the inner cavity of the positioning cylinder 44, the positioning ball rod 45 is slidably arranged in the inner cavity of the positioning groove 48, the fixed ball 47 is arranged in the inner cavity of the positioning cylinder 44, and the bottom of the second cylinder 46 penetrates into the inner cavity of the positioning cylinder 44 and is fixedly connected with the top of the fixed ball 47, and more specifically, the positioning ball rod 45 is limited by the positioning groove 48, the two sides of the oil-free bushing are fixed by the positioning ball rod 45, and the position of the fixed ball 47 is moved by the second cylinder 46.

[0030] In some embodiments, the second sliding groove 49 is arranged at the bottom of the positioning ball rod 45, the second sliding block 491 is slidably arranged in the inner cavity of the second sliding groove 49, the bottom of the second sliding block 491 is fixedly connected with the inner cavity of the positioning groove 48, and the inner cavity of the second sliding groove 49 and the inner side of the second sliding block 491 are fixedly installed with the spring 492, and more specifically, the second sliding block 491 is limited by the second sliding groove 49, the positioning ball rod 45 is reset by the spring 492, the inner part of the positioning ball rod 45 is limited by the second sliding block 491, and the shaking of the positioning ball rod 45 during movement is prevented.

[0031] Working principle:

[0032] Step one: when the outer side needs to be fixed, the first motor 22 is turned on, the threaded rod 26 is driven to rotate by the first motor 22, the first sliding block 24 drives the fixed clamp 25 to move inward, and the oil-free bushing is fixed under the action of the fixed clamp 25, so that the inner part is conveniently processed;

[0033] Step two: when the outer part is processed, the first cylinder 32 is turned on, the fixed plate 33 is driven to move downward by the first cylinder 32, the positioning cylinder 44 enters the inner part of the oil-free bushing, then the second cylinder 46 is turned on, the fixed ball 47 is driven to move downward by the second cylinder 46, and the positioning ball rod 45 is driven to move outward under the action of the fixed ball 47, so that the inner part of the oil-free bushing is fixed, and then the second motor 41 is turned on, the rotating disc 42, the mounting ring 43 and the positioning cylinder 44 are driven to rotate by the second motor 41, so that the oil-free bushing is indirectly rotated, and the oil-free bushing has the advantages of good fixing effect and convenient rotation.

[0034] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

[0035] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to be used to limit the scope of the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meanings as commonly understood by one of ordinary skill in the art to which this application belongs. The singular forms "a," "an," and "the" include plural referents unless the context clearly dictates otherwise.

Claims

1. A positioning device for oil-less bushing manufacturing processes, characterized by: The utility model provides a kind of movable workbench, including workbench (1), limit fixed component (2), lower moving component (3) and positioning rotating component (4), the limit fixed component (2) is all set in workbench (1) top both sides, the lower moving component (3) is set in limit fixed component (2) top, the positioning rotating component (4) is set in lower moving component (3) bottom, the limit fixed component (2) includes L type seat (21), first motor (22), first sliding slot (23), first sliding block (24), fixed clamp (25) and threaded rod (26), the lower moving component (3) includes installation frame (31), first cylinder (32), fixed plate (33) and slide bar (34), the positioning rotating component (4) includes second motor (41), rotating disc (42), installation ring-shaped frame (43), positioning cylinder (44), positioning ball rod (45), second cylinder (46), fixed ball (47), positioning groove (48), second sliding slot (49), second sliding block (491) and spring (492).

2. The positioning device for manufacturing of oil-free bushings according to claim 1, characterized in that: The first motor (22) is fixedly installed on the side of the L-shaped seat (21) that is relatively far away, the first sliding slot (23) is opened in the inside of the L-shaped seat (21), the first sliding block (24) is slid in the inside of the first sliding slot (23), and the first cylinder (32) is fixedly installed at the center of the top of the installation frame (31).

3. The positioning device for manufacturing of oil-free bushings according to claim 1, characterized in that: The threaded rod (26) is screwed in the inside of the first sliding block (24), the output shaft of the first motor (22) penetrates the inner cavity of the first sliding slot (23) and is fixedly connected with the side of the threaded rod (26) that is relatively far away, and the fixed plate (33) is arranged in the inner cavity of the installation frame (31).

4. The positioning device for manufacturing of oil-free bushings according to claim 1, characterized in that: The fixed clamp (25) is fixedly installed on the side of the first sliding block (24) that is relatively close, the bottom of the L-shaped seat (21) is fixedly connected with the top of the workbench (1), the bottom of the first cylinder (32) penetrates the inner cavity of the installation frame (31) and is fixedly connected with the top of the fixed plate (33), and the slide bars (34) are slid on both sides in the inside of the fixed plate (33).

5. The positioning device for manufacturing of oil-free bushings according to claim 1, characterized in that: The top of the slide bar (34) is fixedly connected with the top of the inner cavity of the installation frame (31), the bottom of the slide bar (34) is fixedly connected with the top of the L-shaped seat (21), and the bottom of the installation frame (31) is fixedly connected with the top of the L-shaped seat (21).

6. The positioning device for manufacturing of oil-free bushings according to claim 1, characterized in that: The second motor (41) is fixedly installed at the center of the bottom of the fixed plate (33), the rotating disc (42) is fixedly installed at the bottom of the second motor (41), the installation ring-shaped frame (43) is fixedly installed at the bottom of the rotating disc (42), and the positioning cylinder (44) is fixedly installed in the inside of the installation ring-shaped frame (43).

7. The positioning device for manufacturing of oil-free bushings according to claim 1, characterized in that: The second air cylinder (46) is fixedly installed at the top of the positioning cylinder (44), the positioning grooves (48) are arranged on the two sides of the inner cavity of the positioning cylinder (44), the positioning ball rod (45) slides in the inner cavity of the positioning groove (48), the fixed ball (47) is arranged in the inner cavity of the positioning cylinder (44), and the bottom of the second air cylinder (46) penetrates into the inner cavity of the positioning cylinder (44) and is fixedly connected with the top of the fixed ball (47).

8. The positioning device for manufacturing of oil-free bushings according to claim 1, characterized in that: The second sliding groove (49) is arranged at the bottom of the positioning ball rod (45), the second sliding block (491) slides in the inner cavity of the second sliding groove (49), the bottom of the second sliding block (491) is fixedly connected with the inner cavity of the positioning groove (48), and the inner cavity of the second sliding groove (49) and located on the inner side of the second sliding block (491) is fixedly installed with the spring (492).