CN210587974U

CN210587974U - Floating fine positioning mechanism

Info

Publication number: CN210587974U
Application number: CN201921582830.4U
Authority: CN
Inventors: 杨跞; 张标; 雷龙超
Original assignee: Siasun Co Ltd
Current assignee: Shanghai Xinsong Robot Co ltd
Priority date: 2019-09-23
Filing date: 2019-09-23
Publication date: 2020-05-22
Anticipated expiration: 2029-09-23

Abstract

The utility model relates to a floating fine positioning mechanism, which comprises a bottom plate and a base arranged on the bottom plate, wherein one side of the base is provided with a mounting plate, the mounting plate is provided with a gas claw for clamping the base, the upper end of the base is provided with a positioning step matched with the lower end of a workpiece A to be clamped, the other side of the base is provided with a transverse slide rail, the transverse slide rail is slidably connected with a transverse slide seat, the transverse slide seat is provided with a longitudinal slide rail, the longitudinal slide rail is slidably connected with a longitudinal slide seat, the transverse slide seat and the longitudinal slide seat are both connected with a driving lead screw, the longitudinal slide seat is connected with a cylinder, the telescopic end of the cylinder is provided with a connecting plate, the end part of the connecting plate is connected with a fixed plate through a fixing bolt, the fixed plate is connected with a floating taper sleeve through an equal-, the steel ball is abutted against the lower end face of the fixing plate under the action of the spring, and the lower end of the floating taper sleeve is matched with the workpiece A and can be clamped in the workpiece A. The utility model has the advantages of simple structure, convenient use and high installation coaxial precision.

Description

Floating fine positioning mechanism

Technical Field

The utility model belongs to the machining assembly field, concretely relates to smart positioning mechanism floats.

Background

In the prior art, the workpiece B is directly installed in the workpiece a mostly in a manual or mechanical mode in the coaxial installation. The installation mode often causes that the coaxial precision of the workpiece B and the workpiece A cannot meet the installation requirement due to the lack of necessary limiting and guiding, the difference of manual installation and the like.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a smart positioning mechanism floats to solve the not enough that exists among the prior art. The to-be-solved technical problem of the utility model is realized through following technical scheme.

The utility model provides a smart positioning mechanism floats, includes the bottom plate and locates the base on the bottom plate, its improvement lies in: the fixture comprises a base, a fixing plate, a transverse sliding rail, a transverse sliding seat, a longitudinal sliding rail, a longitudinal sliding seat, a driving screw rod, a cylinder, a connecting plate, a fixing plate, a floating taper sleeve, a spring and a steel ball, wherein a mounting plate is arranged on one side of the base, an air claw for clamping the base is arranged on the mounting plate, a positioning step matched with the lower end of a workpiece A to be clamped is arranged at the upper end of the base, the transverse sliding rail is arranged on the other side of the base, the transverse sliding rail is connected with the transverse sliding seat in a sliding manner, the longitudinal sliding seat is connected with the longitudinal sliding seat in a sliding manner, the transverse sliding seat and the longitudinal sliding seat are both connected with the driving screw rod, the cylinder is connected onto the longitudinal sliding seat, the telescopic end of the cylinder is provided with, the lower end of the floating taper sleeve is matched with the workpiece A and can be clamped in the workpiece A.

Preferably, a gap of 0.4mm is formed between the workpiece A and the positioning step.

Preferably, a gap of 0.5mm is formed between the equal-height bolt and the fixing plate.

Preferably, the number of the fixing bolts is three, and the fixing bolts are uniformly distributed in the circumference; the number of the equal-height bolts is three, and the equal-height bolts are uniformly distributed in the circumference; the fixing bolts and the equal-height bolts are distributed at intervals.

Preferably, the number of the counter bores, the springs and the steel balls is 2-6, and the counter bores, the springs and the steel balls are uniformly distributed in the circumference.

Preferably, a gap of 0.04mm is formed between the floating taper sleeve and the workpiece A.

The utility model carries out coarse positioning through the positioning step of the base; the steel balls abut against the lower end face of the fixed plate under the action of the spring, so that a gap exists between the floating taper sleeve and the fixed plate to form a floating state, and the gap between the floating taper sleeve and the fixed plate is kept by the spring under the condition of no external force; the floating taper sleeve is clamped in the workpiece A, so that high coaxiality is kept between the workpiece A and the floating taper sleeve, and the workpiece B to be installed is installed at a preset position in the workpiece A along an inner hole of the floating taper sleeve, so that the workpiece B and the workpiece A are installed at high precision.

Compared with the prior art, the utility model discloses utilize the accurate positioning between unsteady taper sleeve and the work piece A to high accuracy coaxial installation between work piece B and the work piece A has been guaranteed. The utility model has the advantages of simple structure, convenient use and high installation coaxial precision.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic perspective view of the present invention;

fig. 3 is a schematic three-dimensional structure diagram of the present invention;

fig. 4 is a schematic sectional view of the present invention.

The reference numbers in the figures are in order: 1. the device comprises a mounting plate, 2, a pneumatic claw, 3, workpieces A and 4, a floating taper sleeve, 5, a spring, 6, a steel ball, 7, a fixing plate, 8, a fixing bolt, 9, an equal-height bolt, 10, a base, 11, a cylinder, 12, a longitudinal slide rail, 13, a transverse slide seat, 14 and a bottom plate.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Example 1:

referring to fig. 1-4, a floating fine positioning mechanism comprises a bottom plate 14 and a base 10 arranged on the bottom plate 14, and the improvement is that: one side of the base 10 is provided with a mounting plate 1, the mounting plate 1 is provided with a gas claw 2 used for clamping the base 10, the upper end of the base 10 is provided with a positioning step matched with the lower end of a workpiece A3 to be clamped, the other side of the base 10 is provided with a transverse sliding rail, the transverse sliding rail is slidably connected with a transverse sliding seat 13, the transverse sliding seat 13 is provided with a longitudinal sliding rail 12, the longitudinal sliding seat 12 is slidably connected with a longitudinal sliding seat, the transverse sliding seat 13 and the longitudinal sliding seat are both connected with a driving screw rod, the longitudinal sliding seat is connected with a cylinder 11, the telescopic end of the cylinder 11 is provided with a connecting plate, the end part of the connecting plate is connected with a fixed plate 7 through a fixed bolt 8, the fixed plate 7 is connected with a floating taper sleeve 4 through a high bolt 9, the floating taper sleeve 4 is provided with a, the steel ball 6 is abutted against the lower end face of the fixed plate 7 under the action of the spring 5, and the lower end of the floating taper sleeve 4 is matched with a workpiece A3 and can be clamped in the workpiece A3.

The utility model carries out coarse positioning through the positioning step of the base 10; the steel balls 6 abut against the lower end face of the fixed plate 7 under the action of the spring 5, so that a gap exists between the floating taper sleeve 4 and the fixed plate 7 to form a floating state, and the gap between the floating taper sleeve 4 and the fixed plate 7 is kept by the spring 5 under the condition of no external force; the workpiece B to be installed is installed into a preset position in the workpiece A3 along the inner hole of the floating taper sleeve 4 by utilizing the floating taper sleeve 4 clamped in the workpiece A3 so as to keep high coaxiality between the workpiece A3 and the floating taper sleeve 4, so that the workpiece B and the workpiece A are installed with high precision.

When the utility model is used, a workpiece A3 is put into the base 10 through the mechanical arm, the gas claw 2 is stressed to clamp the base 10 tightly, and the positioning step on the base 10 is utilized to realize the coarse positioning of the workpiece A3; the driving screw rod drives the transverse sliding seat and the longitudinal sliding seat to move, so that the floating taper sleeve 4 is driven to move to be right above the workpiece A3 and coaxial with the workpiece A3; the telescopic end of the cylinder 11 moves downwards to drive the floating taper sleeve 4 to be clamped in the workpiece A3, so that the floating taper sleeve 4 and the workpiece A3 are precisely positioned; and a workpiece B to be installed is installed at a preset position in the workpiece A3 along the inner hole of the floating taper sleeve 4, so that the high-precision coaxial installation of the workpiece B and the workpiece A3 is completed.

Example 2:

on the basis of example 1, the workpiece a3 has a gap of 0.4mm from the positioning step.

In this embodiment, the interval between the workpiece A3 and the positioning step is 0.4mm, and the positioning step can be used to perform coarse positioning of the workpiece A3 by 0.4 mm.

Example 3:

in example 1 or 2, the equal-height bolt 9 and the fixing plate 7 have a gap of 0.5 mm.

In this embodiment, the horizontal position of the floating taper sleeve 4 with respect to the fixed plate 7 can be adjusted by a gap of 0.5mm between the equal-height bolt 9 and the fixed plate 7, thereby adjusting the coaxiality between the floating taper sleeve 4 and the workpiece a 3.

Example 4:

on the basis of any one of the above embodiments, the number of the fixing bolts 8 is three, and the fixing bolts are uniformly distributed in a circumference; the number of the equal-height bolts 9 is three, and the equal-height bolts are uniformly distributed in the circumference; the fixing bolts 8 and the equal-height bolts 9 are distributed at intervals.

In this embodiment, by providing three fixing bolts 8 and equal-height bolts 9, the connection reliability between the fixing plate 7 and the connecting plate, and between the fixing plate 7 and the floating taper sleeve 4 can be ensured and the occurrence of deviation can be avoided. When the relative position between the floating taper sleeve 4 and the fixed plate 7 is to be adjusted, the relative position between the floating taper sleeve 4 and the fixed plate 7 can be adjusted firstly during assembly, and then the equal-height bolts 9 are screwed in; or when in use, the equal-height bolt 9 is firstly detached, then the relative position between the floating taper sleeve 4 and the fixed plate 7 is adjusted, and then the equal-height bolt 9 is screwed in again.

Example 5:

on the basis of any one of the above embodiments, the number of the counter bores, the springs 5 and the steel balls 6 is 2-6, and the counter bores, the springs and the steel balls are circumferentially and uniformly distributed.

In the embodiment, the number of the counter bores, the springs 5 and the steel balls 6 is set to be 2-6, so that the floating taper sleeve 4 can be effectively kept to have a gap with the fixed plate 7 under the condition of no external force action, namely, the floating taper sleeve 4 is kept in a floating state.

Example 6:

on the basis of any of the preceding embodiments, the floating taper sleeve 4 and the workpiece a3 have a gap of 0.04 mm.

In this embodiment, a gap of 0.04mm is provided between the floating taper sleeve 4 and the workpiece A3, so that the coaxiality of the floating taper sleeve 4 and the workpiece A3 is ensured to be 0.04 mm. When the workpiece B is arranged at a preset position in the workpiece A3 along the inner hole of the floating taper sleeve 4, the coaxiality between the workpiece B and the workpiece A3 is ensured due to the guiding and limiting functions of the floating taper sleeve 4.

It should be noted that the above detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise. Furthermore, it will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in other sequences than those illustrated or otherwise described herein.

Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements explicitly listed, but may include other steps or elements not explicitly listed or inherent to such process, method, article, or apparatus.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may also be oriented in other different ways, such as by rotating it 90 degrees or at other orientations, and the spatially relative descriptors used herein interpreted accordingly.

In the foregoing detailed description, reference is made to the accompanying drawings, which form a part hereof. In the drawings, like numerals typically identify like components, unless context dictates otherwise. The illustrated embodiments described in the detailed description, drawings, and claims are not meant to be limiting. Other embodiments may be utilized, and other changes may be made, without departing from the spirit or scope of the subject matter presented here.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a smart positioning mechanism floats, includes bottom plate (14) and base (10) of locating on bottom plate (14), its characterized in that: one side of the base (10) is provided with a mounting plate (1), the mounting plate (1) is provided with a gas claw (2) used for clamping the base (10), the upper end of the base (10) is provided with a positioning step matched with the lower end of a workpiece A (3) to be clamped, the other side of the base (10) is provided with a transverse slide rail, the transverse slide rail is connected with a transverse slide seat (13) in a sliding manner, the transverse slide seat (13) is provided with a longitudinal slide rail (12), the longitudinal slide rail (12) is connected with a longitudinal slide seat in a sliding manner, the transverse slide seat (13) and the longitudinal slide seat are both connected with a driving lead screw, the longitudinal slide seat is connected with a cylinder (11), the telescopic end of the cylinder (11) is provided with a connecting plate, the end part of the connecting plate is connected with a fixing plate (7) through a fixing bolt (8), the fixing, the end face, opposite to the fixed plate (7), of the floating taper sleeve (4) is provided with a counter bore, a spring (5) and a steel ball (6) are arranged in the counter bore, the steel ball (6) abuts against the lower end face of the fixed plate (7) under the action of the spring (5), and the lower end of the floating taper sleeve (4) is matched with the workpiece A (3) and can be clamped in the workpiece A (3).

2. The floating fine positioning mechanism of claim 1, wherein: and a gap of 0.4mm is reserved between the workpiece A (3) and the positioning step.

3. The floating fine positioning mechanism of claim 1, wherein: and a gap of 0.5mm is reserved between the equal-height bolt (9) and the fixing plate (7).

4. The floating fine positioning mechanism of claim 1, wherein: the number of the fixing bolts (8) is three, and the fixing bolts are uniformly distributed in the circumference; the number of the equal-height bolts (9) is three, and the equal-height bolts are uniformly distributed in the circumference; the fixing bolts (8) and the equal-height bolts (9) are distributed at intervals.

5. The floating fine positioning mechanism of claim 1, wherein: the number of the counter bores, the springs (5) and the steel balls (6) is 2-6, and the counter bores, the springs and the steel balls are circumferentially and uniformly distributed.

6. The floating fine positioning mechanism of claim 1, wherein: and a gap of 0.04mm is reserved between the floating taper sleeve (4) and the workpiece A (3).