Eccentric bushing positioning and marking device

Abstract

The utility model relates to the technical field of lining positioning, and discloses an eccentric lining positioning and marking device which comprises a marking table, a positioning table is connected to the inner wall of the marking table, a telescopic motor is installed on the inner wall of the marking table, a connecting rod is connected to the outer wall of the telescopic motor, and an extrusion head is connected to the outer wall of the connecting rod. A metal lining is placed on the outer wall of the positioning table, a fixing block is installed on the outer wall of the positioning table, a circular rail is in lap joint with the inner wall of the fixing block, a scriber is placed on the outer wall of the circular rail, a scribing face is arranged on the outer wall of the scriber, and a fastening screw is connected to the inner wall of the scriber. According to the eccentric bushing positioning and marking device, the metal bushing on the device is used in cooperation with the extrusion head, the extrusion face and the pressed face, so that the metal bushing on the device is fixed by the upper end and the lower end at the same time, and the metal bushing does not deviate any more through the inclined faces which are matched with each other in height.

Description

TECHNICAL FIELD

[0001] The utility model relates to bush positioning technical field, concretely is a eccentric bush positioning scribe device. BACKGROUND

[0002] The eccentric bush scribe device is widely used in mechanical manufacturing, automobile maintenance and other fields, especially in the scene needing accurate positioning and scribing of eccentric bush; for example, in the manufacturing process of gear box, speed reducer, transmission box and other transmission parts, accurate installation and positioning of eccentric bush are crucial to the performance and life of equipment.

[0003] The existing eccentric bush positioning scribe device can refer to the Chinese utility model patent with the authorization announcement number CN216940658U, which discloses an eccentric bush positioning scribe device, "including mounting seat, positioning assembly, centering clamping assembly and scribe ruler, the inner hole of eccentric bush is sleeved on the positioning assembly, the outer circle of eccentric bush is clamped by the centering clamping assembly, because the positioning assembly is rotationally connected with the mounting seat, the centering clamping assembly can complete centering at the same time when clamping the eccentric bush, so that the outer circle center and the inner hole center of eccentric bush can pass through the reference plane of eccentric bush positioning scribe device, at this time, the scribe surface of scribe ruler can be used as reference to scribe, and the eccentric direction of eccentric bush is marked".

[0004] The above-mentioned device is used, the existing device uses positioning assembly and centering clamping assembly structure simple, clamping and centering process steps convenient and fast, the outer circle center and the inner hole center of eccentric bush after clamping and centering pass through the scribe surface of scribe ruler, so that the eccentric bush can be scribed quickly and accurately, and the production efficiency is improved, but the existing device has no more effective measures to adjust the angle of scribe ruler for different angle scribe requirements, so it is necessary to improve the angle adjustment operation of scribe ruler, and when fixing eccentric bush, it is also necessary to avoid the up and down movement of eccentric bush, so as to avoid the situation that eccentric bush will float up and down when scribe ruler is attached to eccentric bush for scribing work, therefore, a eccentric bush positioning scribe device solving the above-mentioned problems is needed. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides an eccentric bush positioning scribe device, which has the advantages of up and down clamping, circumference adjustment and surface scribing, and solves the problems raised in the above background art.

[0006] The utility model provides following technical scheme: an eccentric bushing positioning scribe device, including scribe platform, the inner wall connection of scribe platform has the positioning platform, the inner wall mounting of scribe platform has telescopic motor, the outer wall connection of telescopic motor has connecting rod, the outer wall connection of connecting rod has extruding head, the outer wall of positioning platform places metal bushing, the outer wall mounting of positioning platform has fixed block, the inner wall of fixed block has the lap of circular track, the outer wall of circular track places scribe, the outer wall of scribe is equipped with scribe surface, the inner wall connection of scribe has the fastening screw, the outer wall of positioning platform is set with the center horizontal groove, the outer wall of metal bushing is set with the pressure surface, the top of scribe platform is connected with fixed frame, the outer wall mounting of positioning platform has support, the inner wall swing sleeve of support has round bar, the inner wall screw joint of support has threaded rod, the outer wall of round bar is connected with arc ring.

[0007] As a preferred technical scheme of the utility model, the center horizontal groove is arranged in the middle of the outer wall of the positioning platform, and the center point of the metal bushing is aligned with the center horizontal groove.

[0008] As a preferred technical scheme of the utility model, the number of telescopic motors, connecting rods and extruding heads is two, and the two telescopic motors, connecting rods and extruding heads are symmetrically arranged on the device.

[0009] As a preferred technical scheme of the utility model, the fixed blocks are symmetrically arranged on both sides of the metal bushing, and the outer wall of the circular track is matched in size with the inner wall of the fixed block.

[0010] As a preferred technical scheme of the utility model, the plane of the scribe surface is flush with the middle line of the scribe, and the scribe slides along the outer wall of the circular track.

[0011] As a preferred technical scheme of the utility model, the outer wall of the extruding head is provided with an extruding surface, and the extruding surface is arranged as an inclined surface of 45°.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. The eccentric bushing positioning scribe device, through the mutual cooperation of the metal bushing, the extruding head, the extruding surface and the pressure surface on the device, when the extruding head on the device outputs the telescopic power of the telescopic motor, the extruding head is pushed to the upper and lower ends of the metal bushing by the connecting rod, and the outer wall of the extruding surface is matched in height with the outer wall of the pressure surface, so that the metal bushing on the device is fixed at the same time at the upper and lower ends, and the inclined surface matched in height makes the metal bushing not deviate.

[0014] 2. The eccentric bush positioning scribe device, through the cooperation of the metal bush, the circular track, the scribe, and the scribing surface on the device, the metal bush on the device is first placed on the outer wall of the positioning table, and after the metal bush is fixed and stable, the circular track on the device is butted into the inner wall of the fixed block, and the inner wall of the scribe is butted against the outer wall of the circular track and the bottom of the scribe is overlapped on the top of the metal bush, so that the scribing surface on the device is aligned with the middle line of the scribe, and then when the scribe on the device slides along the inner and outer walls of the circular track, the flat bottom edge of the scribing surface is used for scribing operation with the scribing tool in the hands of the worker, so that the device can be suitable for more scribing angles. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a three-dimensional structure schematic diagram of the utility model;

[0016] Figure 2 It is a three-dimensional sectional structure schematic diagram of the utility model;

[0017] Figure 3 It is a three-dimensional sectional structure schematic diagram of the utility model; Figure 2 It is an enlarged schematic diagram of structure A in the utility model;

[0018] Figure 4 It is a threaded rod structure schematic diagram of the utility model;

[0019] Figure 5 It is an enlarged schematic diagram of structure B in the utility model. Figure 4

[0020] In the figure: 1, scribe table; 2, positioning table; 3, telescopic motor; 4, connecting rod; 5, extrusion head; 6, metal bush; 7, fixed block; 8, circular track; 9, scribe; 10, scribing surface; 11, fastening screw; 12, center horizontal groove; 13, pressure receiving surface; 14, fixed frame; 15, support; 16, round rod; 17, threaded rod; 18, arc ring; 19, extrusion surface. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] Please refer to Figures 1-5 ​The utility model provides a eccentric bushing positioning scribe device, including scribe platform 1, the inner wall of scribe platform 1 is connected with positioning platform 2, the inner wall of scribe platform 1 is installed with telescopic motor 3, the outer wall of telescopic motor 3 is connected with connecting rod 4, the outer wall of connecting rod 4 is connected with extruding head 5, the outer wall of positioning platform 2 is placed with metal bushing 6, the outer wall of positioning platform 2 is installed with fixed block 7, the inner wall of fixed block 7 is overlapped with circular track 8, the outer wall of circular track 8 is placed with scribe 9, scribe 9 is equipped with scribe surface 10 outside the wall, the inner wall of scribe 9 is connected with fastening screw 11, the outer wall of positioning platform 2 is equipped with center transverse groove 12, the outer wall of metal bushing 6 is equipped with pressure surface 13, the top of scribe platform 1 is connected with fixed frame 14, the outer wall of positioning platform 2 is installed with support 15, the inner wall of support 15 is movably sleeved with round bar 16, the inner wall of support 15 is threadedly connected with threaded rod 17, the outer wall of round bar 16 is connected with arc ring 18, through the mutual cooperation of metal bushing 6 and arc ring 18, threaded rod 17 on the device, when metal bushing 6 on the device is placed on the outer wall of positioning platform 2, utilize the arc ring 18 of front and back, drive arc ring 18 to draw together in the middle when manually rotating threaded rod 17, and make arc ring 18 clamp the outer wall of metal bushing 6, so that metal bushing 6 is passively clamped in the middle of two arc rings 18, further make metal bushing 6 align with center transverse groove 12 this line.

[0023] In a preferred embodiment, the center transverse groove 12 is provided in the middle of the outer wall of the positioning platform 2, and the center point of the metal bushing 6 is aligned with the center transverse groove 12. By providing the center transverse groove 12 in the middle of the outer wall of the positioning platform 2 on the device, when the metal bushing 6 on the device is placed on the outer wall of the positioning platform 2, the center point of the metal bushing 6 is aligned with the center transverse groove 12, so that the metal bushing 6 on the device can be on the center line of the device.

[0024] In a preferred embodiment, the number of telescopic motors 3, connecting rods 4, and extruding heads 5 is two, and the two telescopic motors 3, connecting rods 4, and extruding heads 5 are symmetrically arranged on the device. By arranging the two telescopic motors 3, connecting rods 4, and extruding heads 5 on the upper and lower sides of the device, and utilizing the connecting rods 4 to push the extruding heads 5 to draw together in the middle when the two telescopic motors 3 output telescopic power, the extruding heads 5 on the device are driven to the metal bushing 6.

[0025] In a preferred embodiment, the fixed blocks 7 are symmetrically arranged on both sides of the metal bushing 6, and the outer wall of the circular track 8 is sized to fit the inner wall of the fixed block 7. By symmetrically arranging the fixed blocks 7 on both sides of the metal bushing 6 on the device, the inner wall of the fixed block 7 on the device is provided with an abutment groove, and the circular track 8 is placed in the abutment groove, so that the circular track 8 on the device can be placed in the inner wall of the fixed block 7, and the fixed blocks 7 on both sides are used to support the circular track 8.

[0026] In a preferred embodiment, the plane of the scribing surface 10 is flush with the center line of the scribing device 9, and the scribing device 9 slides along the outer wall of the circular track 8. By making the plane of the scribing surface 10 on the device flush with the center line of the scribing device 9, the outer wall of the scribing device 9 on the device is provided with the scribing surface 10, and the scribing surface 10 is flush with the center line of the scribing device 9, so that the scribing device 9 slides along the outer wall of the circular track 8, and the bottom of the scribing surface 10 contacts the metal bushing 6, and cooperates with the worker to scribe.

[0027] In a preferred embodiment, the outer wall of the extrusion head 5 is provided with an extrusion surface 19, and the extrusion surface 19 is provided as a 45° inclined surface. By providing the outer wall of the extrusion head 5 on the device with the extrusion surface 19, the extrusion surface 19 on the device is provided as a large inclined surface, and the pressure receiving surface 13 is provided as a small inclined surface, so that the extrusion head 5 on the device is close to the metal bushing 6, and the inclined surface of the extrusion surface 19 contacts the inclined surface of the pressure receiving surface 13, and the extrusion head 5 on the device clamps and positions the metal bushing 6.

[0028] The working principle is that the metal bushing 6 on the device cooperates with the extrusion head 5, the extrusion surface 19, and the pressure receiving surface 13, so that the extrusion head 5 on the device is pushed by the connecting rod 4 to approach the upper and lower ends of the metal bushing 6 when the telescopic motor 3 outputs the telescopic power, and the outer wall of the extrusion surface 19 is in close contact with the outer wall of the pressure receiving surface 13, so that the metal bushing 6 on the device is fixed at the same time at the upper and lower ends, and the inclined surfaces in close contact make the metal bushing 6 not deviate, and the metal bushing 6 on the device cooperates with the circular track 8, the scribing device 9, and the scribing surface 10, so that the metal bushing 6 on the device is first placed on the outer wall of the positioning table 2, and after the metal bushing 6 is fixed and stable, the circular track 8 on the device is connected to the inner wall of the fixed block 7, and the inner wall of the scribing device 9 is connected to the outer wall of the circular track 8, and the bottom of the scribing device 9 is overlapped on the top of the metal bushing 6, so that the scribing surface 10 on the device is aligned with the center line of the scribing device 9, and when the scribing device 9 on the device slides along the inner and outer walls of the circular track 8, the plane bottom edge of the scribing surface 10 is used to scribe with the scribing tool in the hands of the worker, so that the device can be applied to more scribing angles.

[0029] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. Eccentric bushing positioning scribe device comprising a scribing table (1), characterized in that: The inner wall of the scribe table (1) is connected with the positioning table (2), the inner wall of the scribe table (1) is provided with the telescopic motor (3), the outer wall of the telescopic motor (3) is connected with the connecting rod (4), the outer wall of the connecting rod (4) is connected with the extrusion head (5), the outer wall of the positioning table (2) is placed with the metal bushing (6), the outer wall of the positioning table (2) is provided with the fixed block (7), the inner wall of the fixed block (7) is overlapped with the circular track (8), the outer wall of the circular track (8) is placed with the scribe (9), the outer wall of the scribe (9) is provided with the scribe surface (10), the inner wall of the scribe (9) is connected with the fastening screw (11), the outer wall of the positioning table (2) is provided with the center transverse groove (12), the outer wall of the metal bushing (6) is provided with the pressure surface (13), the top of the scribe table (1) is connected with the fixed frame (14), the outer wall of the positioning table (2) is provided with the support (15), the inner wall of the support (15) is movably sleeved with the round rod (16), the inner wall of the support (15) is threadedly connected with the threaded rod (17), the outer wall of the round rod (16) is connected with the arc ring (18).

2. An eccentric bushing locating scribe device according to claim 1, wherein: The center transverse groove (12) is arranged in the middle of the outer wall of the positioning table (2), and the center point of the metal bushing (6) is aligned with the center transverse groove (12).

3. An eccentric bushing locating scribe device as defined in claim 1 wherein: The number of telescopic motors (3), connecting rods (4) and extrusion heads (5) is two, and two telescopic motors (3), connecting rods (4) and extrusion heads (5) are symmetrically arranged on the device.

4. An eccentric bushing locating scribe device as defined in claim 1 wherein: The fixed block (7) is symmetrically arranged on both sides of the metal bushing (6), and the outer wall of the circular track (8) is matched with the inner wall of the fixed block (7).

5. An eccentric bushing locating scribe device as defined in claim 1 wherein: The plane of the scribe surface (10) is flush with the middle line of the scribe (9), and the scribe (9) slides along the outer wall of the circular track (8).

6. An eccentric bushing locating scribe device as defined in claim 1 wherein: The outer wall of the extrusion head (5) is provided with the extrusion surface (19), and the extrusion surface (19) is arranged as a 45° inclined surface.

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