Eccentric bushing mounting and positioning tool

Abstract

The utility model relates to the technical field of eccentric bushing installation, and discloses an eccentric bushing installation positioning tool which comprises a base, a fixing frame and a supporting frame are fixedly installed on the top of the base, a motor is fixedly installed on the outer wall of the fixing frame, an air cylinder is fixedly installed on the top of the supporting frame, and the air cylinder is fixedly installed on the outer wall of the supporting frame. A sliding plate is slidably connected to the inner wall of the base, an extension block is fixedly mounted on the outer wall of the sliding plate, and a positioning wheel is rotatably connected to the inner wall of the extension block. A bearing sleeve is placed between two sliding plates, a motor is started to drive a rotating rod to rotate, the rotating rod drives two threaded grooves to rotate, the two threaded grooves drive the two sliding plates to move towards the bearing sleeve, and then the two sliding plates drive extension blocks and positioning wheels on the outer walls of the sliding plates to move towards the bearing sleeve; the positioning wheels on the outer walls of the two sliding plates are attached to the outer wall of the bearing sleeve, at the moment, the bearing sleeve is positioned under the sliding cylinder, and manual adjustment is not needed.

Description

TECHNICAL FIELD

[0001] The utility model relates to eccentric bushing installation technical field, concretely is a kind of eccentric bushing installation positioning tool. BACKGROUND

[0002] Eccentric bushing is a kind of mechanical parts for reducing rolling friction, and the eccentricity can be adjusted by the eccentric shaft hole design to control the speed or change the position of mechanical parts, and is widely used in gear box, modified car suspension system and other mechanical equipment.

[0003] At present, when installing eccentric bushing, most of them are pressed into the shaft sleeve by air cylinder, but the shaft sleeve is directly placed at the bottom of the pressure rod of air cylinder, and manual position adjustment is needed to ensure that it is located at the bottom of the pressure rod, and when installing, the eccentric bushing is directly placed on the top of the shaft sleeve and pressed, which may cause small inclination of eccentric shaft sleeve, and further affect the installation and use effect. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies of the prior art, the utility model provides an eccentric bushing installation positioning tool, which has the advantages of shaft sleeve positioning and preventing bushing inclination, and solves the problems raised in the above background art.

[0005] The utility model provides the following technical scheme: a kind of eccentric bushing installation positioning tool, including base, the top of the base is respectively fixedly installed with fixed frame and support frame, the outer wall of the fixed frame is fixedly installed with motor, the top of the support frame is fixedly installed with air cylinder, the inner wall of the base is slidably connected with sliding plate, the outer wall of the sliding plate is fixedly installed with extension block, the inner wall of the extension block is rotatably connected with positioning wheel, the inner wall of the fixed frame is fixedly installed with limit rod, the inner wall of the fixed frame is respectively provided with receiving groove and limit slot, the output shaft of the motor is fixedly installed with rotating rod, the outer wall of the rotating rod is provided with thread groove, the top of the base is movably connected with bearing sleeve, the telescopic end of the air cylinder is fixedly installed with pressure rod, the outer wall of the pressure rod is fixedly installed with extension ring, the bottom of the extension ring is equipped with spring one, the outer wall of the pressure rod is slidably connected with sliding cylinder, the outer wall of the sliding cylinder is fixedly installed with extension column, the bottom of the pressure rod is fixedly installed with pressing plate, the inner wall of the extension column is equipped with spring two, the inner wall of the extension column is slidably connected with sliding seat, the outer wall of the sliding seat is fixedly installed with connecting frame, the inner wall of the connecting frame is rotatably connected with rotating wheel.

[0006] As a preferred technical scheme of the utility model: the number of receiving groove is three, and three receiving grooves are located at the outer wall of sliding plate and the inner wall of fixed frame respectively, and the width of receiving groove is same with the diameter of extension column.

[0007] As a preferred technical scheme of the utility model: the number of thread grooves is two, and the two thread grooves are symmetrically arranged on the outer wall of the rotating rod, and the thread opening directions of the two thread grooves are opposite.

[0008] As a preferred technical scheme of the utility model: the number of sliding plates, extension blocks and positioning wheels is two, and the two sliding plates, extension blocks and positioning wheels are symmetrically arranged on the inner wall of the fixed frame on both sides, and the two sliding plates are located at the two ends of the rotating rod.

[0009] As a preferred technical scheme of the utility model: the diameter of the pressing plate is same with the inner wall diameter of the sliding cylinder, and the diameter of the pressing plate is larger than the diameter of the pressing rod, and the diameter of the penetrating part of the sliding cylinder and the pressing rod is same with the diameter of the pressing rod.

[0010] As a preferred technical scheme of the utility model: the limiting rod penetrates the sliding plate, and the limiting rod and the sliding plate are in sliding connection.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] 1、the eccentric bushing installation positioning tool, through the bearing sleeve is placed between two sliding plates, through starting motor, and then make motor drive rotating rod rotation, rotating rod drive two thread groove rotation, two thread groove drive two sliding plates move to bearing sleeve, and then make two sliding plates drive its outer wall's extension block and positioning wheel move to bearing sleeve, make two sliding plates outer wall's positioning wheel and the outer wall of bearing sleeve fit, at this time, bearing sleeve is positioned in the lower of sliding cylinder, need not manual adjustment.

[0013] 2、the eccentric bushing installation positioning tool, through the eccentric bushing is moved from the bottom of sliding cylinder to the inside of sliding cylinder, and then make eccentric bushing extrude rotating wheel to the direction of extension column, and then make rotating wheel enter the inside of extension column, at this time, the top of eccentric bushing and the top of pressing plate fit, and then make spring two springback reset structure, and then make rotating wheel lift the bottom of eccentric bushing, at this time, start the air cylinder, and then make air cylinder drive pressing rod move downward, and then make pressing rod drive extension ring, spring one and sliding cylinder move downward, and then make sliding cylinder and the top of bearing sleeve fit, at this time, pressing rod continues to move downward, and then make pressing plate move downward on the inner wall of sliding cylinder, and then make eccentric bushing move from the inner wall of sliding cylinder to the inner wall of bearing sleeve, and then prevent eccentric bushing from being inclined during installation. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the utility model three-dimensional structure schematic diagram;

[0015] Figure 2 It is the utility model fixed frame structure schematic diagram;

[0016] Figure 3 This is a schematic diagram of the cross-sectional structure of the fixing frame of this utility model;

[0017] Figure 4 This is a schematic diagram of the sliding cylinder structure of this utility model;

[0018] Figure 5 This is a schematic diagram of the cross-sectional structure of the sliding cylinder of this utility model.

[0019] In the diagram: 1. Base; 2. Fixing frame; 3. Motor; 4. Support frame; 5. Cylinder; 6. Sliding plate; 7. Extension block; 8. Positioning wheel; 9. Limiting rod; 10. Limiting groove; 11. Rotating rod; 12. Threaded groove; 13. Bearing sleeve; 14. Pressure rod; 15. Extension ring; 16. Spring 1; 17. Sliding cylinder; 18. Extension column; 19. Pressure plate; 20. Spring 2; 21. Sliding seat; 22. Connecting frame; 23. Rotating wheel; 24. Storage slot. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Please see Figure 1 - Figure 5 An eccentric bushing installation and positioning tool includes a base 1. A fixing frame 2 and a support frame 4 are fixedly installed on the top of the base 1. A motor 3 is fixedly installed on the outer wall of the fixing frame 2. A cylinder 5 is fixedly installed on the top of the support frame 4. A sliding plate 6 is slidably connected to the inner wall of the base 1. An extension block 7 is fixedly installed on the outer wall of the sliding plate 6. A positioning wheel 8 is rotatably connected to the inner wall of the extension block 7. A limit rod 9 is fixedly installed on the inner wall of the fixing frame 2. A storage groove 24 and a limit groove 10 are respectively opened on the inner wall of the fixing frame 2. A rotating rod 11 is fixedly installed on the output shaft of the motor 3. A threaded groove is opened on the outer wall of the rotating rod 11. 12. A bearing sleeve 13 is movably connected to the top of the base 1. A pressure rod 14 is fixedly installed at the telescopic end of the cylinder 5. An extension ring 15 is fixedly installed on the outer wall of the pressure rod 14. A spring 16 is provided at the bottom of the extension ring 15. A sliding cylinder 17 is slidably connected to the outer wall of the pressure rod 14. An extension column 18 is fixedly installed on the outer wall of the sliding cylinder 17. A pressure plate 19 is fixedly installed at the bottom of the pressure rod 14. A spring 20 is provided on the inner wall of the extension column 18. A sliding seat 21 is slidably connected to the inner wall of the extension column 18. A connecting frame 22 is fixedly installed on the outer wall of the sliding seat 21. A rotating wheel 23 is rotatably connected to the inner wall of the connecting frame 22.

[0022] In the structure, the spring 16 presses the sliding cylinder 17 downward, and then the inner wall of the sliding cylinder 17 moves to the direction of the pressing plate 19, and then the top of the inner wall of the sliding cylinder 17 is attached to the top of the pressing plate 19.

[0023] In a preferred embodiment, the number of the accommodation grooves 24 is three, and the three accommodation grooves 24 are respectively arranged on the outer wall of the sliding plate 6 and the inner wall of the fixed frame 2, and the width of the accommodation groove 24 is the same as the diameter of the extension column 18.

[0024] In the structure, the three accommodation grooves 24 make the sliding cylinder 17 drive the extension column 18 to move downward when the sliding cylinder 17 moves downward, and then when the sliding cylinder 17 is attached to the top of the bearing sleeve 13, the bearing sleeve 13 outside the sliding cylinder 17 enters the inside of the three accommodation grooves 24, and then the three accommodation grooves 24 accommodate the extension column 18 outside the sliding cylinder 17, and then the extension column 18 is not interfered by the movement.

[0025] In a preferred embodiment, the number of the screw grooves 12 is two, and the two screw grooves 12 are symmetrically arranged on the outer wall of the rotating rod 11, and the screw thread opening directions of the two screw grooves 12 are opposite.

[0026] In the structure, the motor 3 is started, and then the motor 3 drives the rotating rod 11 to rotate, and then the rotating rod 11 drives the screw grooves 12 to rotate, and then the two screw grooves 12 are respectively rotated due to the opposite screw thread directions of the two screw grooves 12.

[0027] In a preferred embodiment, the number of the sliding plates 6, the extension blocks 7 and the positioning wheels 8 is two, and the two sliding plates 6, the extension blocks 7 and the positioning wheels 8 are symmetrically arranged on the inner wall of the fixed frame 2, and the two sliding plates 6 are located at the two ends of the rotating rod 11.

[0028] In the structure, the rotating rod 11 is rotated, and then the rotating rod 11 drives the screw grooves 12 at the two ends to rotate, and then the screw grooves 12 at the two ends drive the sliding plates 6 to move through the screw thread connection with the sliding plates 6, and then the two sliding plates 6 are simultaneously moved to the bearing sleeve 13 through the opposite screw thread directions of the two screw grooves 12.

[0029] In a preferred embodiment, the diameter of the pressing plate 19 is the same as the diameter of the inner wall of the sliding cylinder 17, and the diameter of the pressing plate 19 is larger than the diameter of the pressing rod 14, and the diameter of the sliding cylinder 17 and the pressing rod 14 is the same at the penetration position of the sliding cylinder 17 and the pressing rod 14.

[0030] In the structure, the attachment of the pressing plate 19 and the inner wall of the sliding cylinder 17 makes the sliding cylinder 17 not inclined when moving, and then the diameter of the pressing plate 19 is larger than the diameter of the pressing rod 14, so that the sliding cylinder 17 is limited by the pressing plate 19, and then the sliding cylinder 17 cannot be separated from the outer wall of the pressing rod 14.

[0031] In a preferred embodiment: the limiting rod 9 penetrates the sliding plate 6, and the limiting rod 9 is in sliding connection with the sliding plate 6.

[0032] In the above structure, the limiting rod 9 is limited by the sliding plate 6, so that the sliding plate 6 can only slide on the outer wall of the limiting rod 9 when moving, so that the limiting rod 9 will not tilt when moving.

[0033] Working principle: when the equipment is used, the eccentric bushing is put into the inside of the sliding cylinder 17 from the bottom of the sliding cylinder 17, the eccentric bushing is pushed upwards, so that the rotating wheel 23 is extruded by the eccentric bushing to the inside of the extension column 18, so that the eccentric bushing moves to the direction of the pressing plate 19, so that the eccentric bushing reaches above the pressing plate 19, at this time, the spring two 20 rebounds to reset the sliding seat 21, so that the connecting frame 22 drives the rotating wheel 23 to move to the bottom of the eccentric bushing, at this time, the rotating wheel 23 fixes the position of the eccentric bushing, so that the eccentric bushing is fixed in the inside of the sliding cylinder 17, at this time, the bearing sleeve 13 is placed in the inside of the fixed frame 2, so that the motor 3 is started, so that the motor 3 drives the rotating rod 11 to rotate, so that the rotating rod 11 drives the threaded groove 12 to rotate, so that the threaded groove 12 at both ends of the rotating rod 11 drives the sliding plate 6 to move through the threaded connection with the sliding plate 6, so that the two threaded grooves 12 drive the two sliding plates 6 to move towards the bearing sleeve 13 at the same time through the opposite threaded directions of the two threaded grooves 12, so that the extension block 7 on the outer wall of the two sliding plates 6 drives the positioning wheel 8 to move, so that the positioning wheel 8 is attached to the outer wall of the bearing sleeve 13, at this time, the bearing sleeve 13 is positioned at the bottom of the sliding cylinder 17, at this time, the air cylinder 5 is started, so that the air cylinder 5 drives the pressing rod 14 to move downwards, the pressing rod 14 drives the extension ring 15, the spring one 16 and the sliding cylinder 17 to move downwards, so that the sliding cylinder 17 drives the inside eccentric bushing to move downwards, when the sliding cylinder 17 is attached to the top of the bearing sleeve 13, the pressing rod 14 continues to move downwards, so that the sliding cylinder 17 is blocked by the bearing sleeve 13, at this time, the pressing rod 14 moves downwards to drive the pressing plate 19 and the extension ring 15 to move downwards, so that the pressing plate 19 drives the eccentric bushing to move downwards, and pushes the rotating wheel 23 to the inside of the extension column 18, so that the eccentric bushing enters the inside of the bearing sleeve 13 from the inside of the sliding cylinder 17, so that the eccentric bushing vertically enters the inside of the bearing sleeve 13, preventing it from tilting.

[0034] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An eccentric bushing installation positioning tool comprising a base (1), characterized in that: The top of the base (1) is respectively fixedly installed with a fixing frame (2) and a support frame (4), the outer wall of the fixing frame (2) is fixedly installed with a motor (3), the top of the support frame (4) is fixedly installed with a cylinder (5), the inner wall of the base (1) is slidably connected with a sliding plate (6), the outer wall of the sliding plate (6) is fixedly installed with an extension block (7), the inner wall of the extension block (7) is rotatably connected with a positioning wheel (8), the inner wall of the fixing frame (2) is fixedly installed with a limiting rod (9), the inner wall of the fixing frame (2) is respectively provided with a receiving groove (24) and a limiting groove (10), the output shaft of the motor (3) is fixedly installed with a rotating rod (11), the outer wall of the rotating rod (11) is provided with a threaded groove (12), the top of the base (1) is movably connected with a bearing sleeve (13), the telescopic end of the cylinder (5) is fixedly installed with a pressing rod (14), the outer wall of the pressing rod (14) is fixedly installed with an extension ring (15), the bottom of the extension ring (15) is provided with a spring (16), the outer wall of the pressing rod (14) is slidably connected with a sliding cylinder (17), the outer wall of the sliding cylinder (17) is fixedly installed with an extension column (18), the bottom of the pressing rod (14) is fixedly installed with a pressing plate (19), the inner wall of the extension column (18) is provided with a spring (20), the inner wall of the extension column (18) is slidably connected with a sliding seat (21), the outer wall of the sliding seat (21) is fixedly installed with a connecting frame (22), and the inner wall of the connecting frame (22) is rotatably connected with a rotating wheel (23).

2. An eccentric bushing installation positioning tool according to claim 1, wherein: The number of the receiving grooves (24) is three, and the three receiving grooves (24) are respectively located on the outer wall of the sliding plate (6) and the inner wall of the fixing frame (2), and the width of the receiving groove (24) is the same as the diameter of the extension column (18).

3. An eccentric bushing installation positioning tool as defined in claim 1, wherein: The number of the threaded grooves (12) is two, and the two threaded grooves (12) are symmetrically arranged on the outer wall of the rotating rod (11), and the thread opening directions of the two threaded grooves (12) are opposite.

4. An eccentric bushing installation positioning tool as defined in claim 1, wherein: The number of the sliding plates (6), the extension blocks (7) and the positioning wheels (8) is two, and the two sliding plates (6), the extension blocks (7) and the positioning wheels (8) are symmetrically arranged on the two sides of the inner wall of the fixing frame (2), and the two sliding plates (6) are located on the two ends of the rotating rod (11).

5. An eccentric bushing installation positioning tool as defined in claim 1, wherein: The diameter of the pressing plate (19) is the same as the inner wall diameter of the sliding cylinder (17), and the diameter of the pressing plate (19) is greater than the diameter of the pressing rod (14), and the diameter of the penetrating part of the sliding cylinder (17) and the pressing rod (14) is the same as the diameter of the pressing rod (14).

6. An eccentric bushing installation positioning tool as defined in claim 1, wherein: The limiting rod (9) penetrates the sliding plate (6), and the limiting rod (9) and the sliding plate (6) are slidably connected.

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