CN216939289U

CN216939289U - Workpiece press-fitting tool

Info

Publication number: CN216939289U
Application number: CN202123431379.6U
Authority: CN
Inventors: 陈尧
Original assignee: Guangxi Yulin Kunda Machinery Manufacturing Co ltd
Current assignee: Guangxi Yulin Kunda Machinery Manufacturing Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-07-12
Anticipated expiration: 2031-12-30

Abstract

The application discloses work piece pressure equipment frock for the location that uses when making pressure equipment check valve, cotter pin bushing matches, reduces the condition that the error appears, improves pressure equipment accuracy. The method comprises the following steps: the device comprises a base, at least two positioning nails, a top seat, a lifting assembly, a check valve and a pin bush, wherein the check valve is pressed and mounted; the base is arranged in parallel relative to the horizontal plane and is positioned right below the top seat, the positioning nail is vertically connected above the base, and the positioning nail is used for fixing a workpiece to be pressed at a relative position; the top seat is fixedly connected with the lifting assembly, and the lifting assembly is used for driving the top seat to move up and down; the check valve press-fitting and the pin bush press-fitting are fixed below the top seat, the check valve press-fitting and the pin bush press-fitting move along with the top seat, the check valve press-fitting is used for pressing the check valve into a check valve hole corresponding to a workpiece to be press-fitted, and the pin bush press-fitting is used for pressing the pin bush into a pin bush hole corresponding to the workpiece to be press-fitted.

Description

Workpiece press-fitting tool

Technical Field

The application relates to the field of machining and manufacturing of mechanical parts, in particular to a workpiece press-fitting tool.

Background

Currently, with continuous maturity of mechanical technology and rapid development of industrial manufacturing in China, the market has higher requirements on the production efficiency and quality of mechanical parts, which continuously drives innovation and improvement of the mechanical part processing industry.

In the existing workpiece assembly mode, a workpiece is positioned through a check valve positioning nail, the check valve is pressed into a corresponding check valve hole in the workpiece, the workpiece is repositioned through a pin bush positioning nail, and a pin bush is pressed into a corresponding pin bush hole in the workpiece.

When the press fitting is carried out, the pin bush positioning holes are used as press fitting references, are matched with the pin bush positioning holes at the moment and are not matched with the check valve positioning holes, or are matched with the check valve positioning holes when the check valve positioning holes are used as the press fitting references, but are not matched with the pin bush positioning holes.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the application provides a workpiece press-fitting tool for positioning and matching during press-fitting of a check valve and a pin bush, so that the error occurrence condition is reduced, and the press-fitting accuracy is improved.

The application provides work piece pressure equipment frock includes: the device comprises a base, at least two positioning nails, a top seat, a lifting assembly, a check valve and a pin bush, wherein the check valve is pressed and mounted;

the base is arranged in parallel relative to the horizontal plane and is positioned right below the top seat, the positioning nail is vertically connected above the base, and the positioning nail is used for fixing a workpiece to be pressed at a relative position;

the top seat is fixedly connected with the lifting assembly, and the lifting assembly is used for driving the top seat to move up and down;

the check valve press-fitting and the pin bush press-fitting are fixed below the top seat, the check valve press-fitting and the pin bush press-fitting move along with the top seat, the check valve press-fitting is used for pressing the check valve into a check valve hole corresponding to a workpiece to be press-fitted, and the pin bush press-fitting is used for pressing the pin bush into a pin bush hole corresponding to the workpiece to be press-fitted.

Optionally, the lifting assembly comprises a driving assembly, a fixing member and a lifting rod;

the fixing piece is fixedly connected with the top seat, the lifting rod is connected with the fixing piece, the driving assembly is fixedly connected with the lifting rod and used for driving the lifting rod to move up and down so as to drive the check valve on the top seat and the pin bush to move up and down in a press fit mode.

Optionally, the drive assembly comprises a hydraulic drive.

Optionally, the check valve press-fitting tool further comprises a plurality of limiting columns, and each limiting column comprises a plurality of upper limiting columns and a plurality of lower limiting columns;

the lower limiting columns are arranged at two ends of the base, the upper limiting columns are arranged at two ends of the top seat, the lower limiting columns are correspondingly matched with the upper limiting columns, and the limiting columns are used for limiting the pressing height of the top seat.

Optionally, the upper limiting column surface is provided with a protruding cylinder, the diameter of the cylinder is smaller than that of the upper limiting column, and the lower limiting column surface is provided with a circular groove matched with the diameter of the circular truncated cone.

Optionally, the top seat and the base are perpendicular to the axis of the lifting assembly, and the center point of the top seat and the center point of the base are located on the axis of the lifting assembly.

Optionally, the workpiece press-fitting tool further comprises a support column, wherein the support column is vertically connected above the base and used for supporting the workpiece to be press-fitted.

Optionally, the support column is a retractable support column.

Optionally, a reset elastic part is arranged in the telescopic supporting column and used for automatically resetting the telescopic supporting column after being stretched.

Optionally, check valve pressure equipment frock still includes basic platform, basic platform is connected with the base, is used for fixing the base.

According to the technical scheme, the embodiment of the application has the following advantages:

in this application, use the locating pin will treat that the pressure equipment work piece is fixed in the relative position back of base, control the footstock and move down, be provided with check valve pressure equipment and guide pin pressure equipment on the footstock, can impress the check valve in the check valve hole that corresponds on the work piece when pushing down to impress the guide pin in the guide pin hole that corresponds on the work piece. Through the positioning matching used during the press mounting of the check valve and the pin bush, the error occurrence condition is reduced, and the press mounting accuracy is improved.

Drawings

In order to more clearly illustrate the technical solutions in the present application, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic perspective view of a workpiece press-fitting tool in the present application.

Detailed Description

In the present application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used only for explaining relative positional relationships between the respective members or components, and do not particularly limit specific mounting orientations of the respective members or components.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as the case may be.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "connected" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as the case may be.

In addition, the structures, the proportions, the sizes, and the like, which are illustrated in the accompanying drawings and described in the present application, are intended to be considered illustrative and not restrictive, and therefore, not limiting, since those skilled in the art will understand and read the present application, it is understood that any modifications of the structures, changes in the proportions, or adjustments in the sizes, which are not necessarily essential to the practice of the present application, are intended to be within the scope of the present disclosure without affecting the efficacy and attainment of the same.

The embodiment of the application provides a workpiece press-fitting tool, which is used for positioning and matching when a check valve and a pin bush are pressed and fitted, so that the error occurrence condition is reduced, and the press-fitting accuracy is improved.

The workpiece press-fitting tool provided by the application is mainly used for inserting parts such as a check valve and a pin bush into a workpiece, optionally, the workpiece press-fitting tool can also be used for other parts needing to be inserted into the workpiece, such as a cylinder cover and a piston, and the specific application is not limited here.

The application provides work piece pressure equipment frock includes: the device comprises a base 1, at least two positioning nails 2, a top seat 3, a lifting assembly 4, a check valve press-fitting 5 and a pin bush press-fitting 6;

the base 1 is arranged in parallel relative to a horizontal plane and is positioned under the top seat 3, the positioning nails 2 are vertically connected above the base 1, and the positioning nails 2 are used for fixing workpieces to be pressed at opposite positions;

the top seat 3 is fixedly connected with the lifting component 4, and the lifting component 4 is used for driving the top seat 3 to move up and down;

the check valve press-fitting device 5 and the pin bush press-fitting device 6 are fixed below the top seat 3, the check valve press-fitting device 5 and the pin bush press-fitting device 6 move along with the top seat 3, the check valve press-fitting device 5 is used for pressing the check valve into a corresponding check valve hole on a workpiece to be press-fitted, and the pin bush press-fitting device 6 is used for pressing the pin bush into a corresponding pin bush hole on the workpiece to be press-fitted.

There is a certain dimensional accuracy requirement for any machining and assembly operations of a workpiece. The precision requirement is high in some cases, and the precision requirement is lower in some cases. Since the work of the various mechanisms is repeated in fixed positions, regardless of the precision requirements, the machining or assembly operations need to be carried out with the workpieces to be machined or assembled in determined attitude directions in determined spatial positions, and in mass production the attitude directions and spatial positions of each workpiece to be machined or assembled must be repeatable, i.e. for a single workpiece, the workpiece can occupy the same position when repeatedly placed in the positioning device a number of times, and for a batch of workpieces, each workpiece must occupy the same exact position when placed in the positioning device. Therefore, positioning of the workpiece to be machined or assembled is required. Without positioning, it is difficult to accurately perform machining or assembling on a workpiece as required, and therefore the positioning mechanism is an important part of the robot structure.

In prior art, when assembling check valve and pin bush, the locating hole of use is inconsistent, when the reference of pressure equipment is regarded as through the check valve locating hole, match with the check valve locating hole, but also can cause and mismatch with the pin bush locating hole, just need adjust the position of work piece, but probably appear after the adjustment again and match with the pin bush locating hole, with the unmatched condition of non return valve hole, consequently not only inefficiency, also appear easily because the error leads to the pressure equipment not in place, make the work piece unqualified, or the condition of pressure partially appears, cause the work piece to damage. Therefore, it is necessary to reduce the number of errors caused by different positioning used when assembling the machined parts.

In this embodiment, base 1 and footstock 3 parallel about, the work piece passes through locating pin 2 to be fixed on base 1, be provided with non return valve hole and round pin cover hole on the work piece, and put the check valve and cut the cover in the hole, lifting unit 4 is connected with footstock 3, be provided with check valve pressure equipment 5 and round pin cover pressure equipment 6 on the footstock 3, when lifting unit 4 is when the downstream, check valve pressure equipment 5 withstands the check valve, round pin cover pressure equipment 6 withstands the round pin cover, under the condition that lasts the downward movement, just can impress the check valve downthehole with the check valve, impress the round pin cover downthehole.

It should be noted that, in order to make the position of the workpiece to be placed more accurate, at least two positioning pins 2 are required to determine the position of the workpiece, so that the check valve press-fitting 5 and the pin bush press-fitting 6 on the top seat 3 can correspond to the check valve hole and the pin bush hole on the workpiece. The locating nail 2 can limit the movable position of the tool, and under the ordinary condition, the locating nail 2 is more in number, the larger the limit on the position of a workpiece is, and the placing position is more accurate. Optionally, the number of the positioning pins 2 may be set according to specific actual requirements, for example, 3 or 5 may be set, and the specific requirement is not limited here.

Optionally, the lifting assembly 4 comprises a driving assembly, a fixing member 42 and a lifting rod 41;

the fixing piece 42 is fixedly connected with the top seat 3, the lifting rod 41 is connected with the fixing piece 42, the driving assembly is fixedly connected with the lifting rod 41, and the driving assembly is used for driving the lifting rod 41 to move up and down so as to drive the check valve press-fitting 5 and the pin bush press-fitting 6 on the top seat 3 to move up and down.

Optionally, the drive assembly comprises a hydraulic drive. In current drive mode, use pneumatic drive spare usually, but because pneumatic drive spare's atmospheric pressure is unstable, also can cause the pressure equipment not in place when the pressure equipment, change to use hydraulic drive to make driven lifter motion even stable, reduce the condition that the pressure equipment is not in place to appear, improve the qualification rate of work piece pressure equipment frock operating stability and work piece.

Optionally, the check valve press-fitting 5 tool further comprises a plurality of limiting columns 7, and each limiting column 7 comprises a plurality of upper limiting columns and a plurality of lower limiting columns;

a plurality of lower limiting columns are arranged at two ends of the base 1, upper limiting columns are arranged at two ends of the top base 3, the lower limiting columns are correspondingly matched with the upper limiting columns, and the limiting columns 7 are used for limiting the pressing height of the top base 3. When the footstock 3 moves downwards, when the upper limiting column withstands the lower limiting column, the footstock 3 is limited to continue moving downwards, and the damage to the workpiece caused by too much pressing is reduced.

Optionally, the top base 3 is perpendicular to the axis of the lifting assembly 4 and the base 1, and the central point of the top base 3 and the central point of the base 1 are located on the axis of the lifting assembly 4. Because the central point of the top seat 3 and the central point of the base 1 are positioned on the axis of the lifting component 4, the central points are matched relatively, and the central point of the top seat 3 is always positioned on the axis of the lifting component 4 when the top seat descends, the position deviation in the descending process can be reduced, and the phenomenon that the workpiece is damaged due to the fact that the workpiece is pressed to other places is avoided.

Optionally, the workpiece press-fitting tool further comprises a support pillar 8, and the support pillar 8 is vertically connected above the base 1 and used for supporting the workpiece to be press-fitted. The supporting columns 8 can keep the posture and the position of the workpiece unchanged in the press mounting process.

Optionally, the support column 8 is a retractable support column. The telescopic supporting column can be retracted downwards under the condition that the supporting column is pressed too far, so that the condition that the workpiece is crushed is reduced.

Optionally, a resetting elastic part is arranged in the telescopic supporting column and used for automatically resetting the telescopic supporting column after being stretched.

Optionally, the check valve press-fitting tool 5 further comprises a base platform, and the base platform is connected with the base 1 and used for fixing the base 1.

It should be noted that the above-mentioned disclosure and specific embodiments are intended to demonstrate the practical application of the technical solutions provided in the present application, and should not be construed as limiting the scope of protection of the present application. Various modifications, equivalent substitutions, or improvements may be made by those skilled in the art within the spirit and principles of the present application. The protection scope of this application is subject to the appended claims.

Claims

1. The utility model provides a work piece pressure equipment frock which characterized in that includes: the device comprises a base, at least two positioning nails, a top seat, a lifting assembly, a check valve and a pin bush, wherein the check valve is pressed and mounted;

the base is placed in parallel relative to the horizontal plane and is positioned right below the top seat, the positioning nails are vertically connected above the base and are used for fixing the workpiece to be pressed at a relative position;

2. A workpiece press-fitting tool according to claim 1, wherein the lifting assembly comprises a driving assembly, a fixing member and a lifting rod;

3. A workpiece press-fitting tool as set forth in claim 2, wherein the drive assembly comprises a hydraulic drive.

4. A workpiece press-fitting tool according to claim 1, wherein the check valve press-fitting tool further comprises a plurality of limiting columns, and the limiting columns comprise a plurality of upper limiting columns and a plurality of lower limiting columns;

5. A workpiece press-fitting tool according to claim 4, wherein a protruding cylinder is arranged on the surface of the upper limiting column, the diameter of the cylinder is smaller than that of the upper limiting column, and a circular groove matched with the diameter of the cylinder is arranged on the surface of the lower limiting column.

6. A workpiece press-fitting tool according to claim 1, wherein the top seat and the base are perpendicular to the axis of the lifting assembly, and the center point of the top seat and the center point of the base are located on the axis of the lifting assembly.

7. A workpiece press-fitting tool according to any one of claims 1 to 6, further comprising a supporting column vertically connected above the base for supporting a workpiece to be press-fitted.

8. A workpiece press-fitting tool according to claim 7, wherein the supporting columns are retractable supporting columns.

9. A workpiece press-fitting tool according to claim 8, wherein a resetting elastic part is arranged in the telescopic supporting column and used for automatically resetting the telescopic supporting column after being telescopic.

10. The workpiece press-fitting tool according to any one of claims 1 to 6, wherein the check valve press-fitting tool further comprises a base platform, and the base platform is connected with the base and used for fixing the base.