CN220636992U

CN220636992U - Machine tool working accuracy positioning device

Info

Publication number: CN220636992U
Application number: CN202320334083.2U
Authority: CN
Inventors: 王健; 王海峰; 冯雪松; 徐雷; 王伟涛; 孙自伟
Original assignee: Tangshan Tedi Mechanical Equipment Manufacturing Co ltd
Current assignee: Tangshan Tedi Mechanical Equipment Manufacturing Co ltd
Priority date: 2023-02-28
Filing date: 2023-02-28
Publication date: 2024-03-22
Anticipated expiration: 2033-02-28

Abstract

The embodiment of the utility model relates to the technical field of positioning devices, in particular to a positioning device for working accuracy of a machine tool, which comprises a machine body and a drilling component which is arranged on the machine body and can process a workpiece, wherein a fixing component which can position and fix the workpiece is also arranged on the machine body, the fixing component comprises a clamping piece and a driving piece, the clamping jaw can be opened or closed, the driving piece is connected with the clamping jaw, and the driving piece can drive the clamping jaw to open or close the clamping jaw. The problems that the traditional positioning device adopts magnetic attraction to fix the tail wing plate or the front baffle plate, and the tail wing plate or the front baffle plate is easy to shift in the processing process of the tail wing plate or the front baffle plate, so that the tail wing plate or the front baffle plate is scrapped are solved.

Description

Machine tool working accuracy positioning device

Technical Field

The utility model relates to the technical field of positioning devices, in particular to a positioning device for working accuracy of a machine tool.

Background

The machining of the machine tool is to machine and manufacture the raw material by using the machine tool, and the cutting machining of the machine tool is realized by the relative motion between a cutter and a workpiece, wherein the combined machine tool is a special machine tool which is composed of serial and standardized general components and a small number of special components. The combined machine tool is suitable for processing one or more procedures of one or more similar parts in mass production.

The inventor finds that when a specific workpiece (such as a tail wing plate and a front baffle plate) is drilled, the traditional tail wing plate and the front baffle plate are directly placed on a machine tool platform to be fixed in a magnetic plate magnetic attraction mode, but when the tail wing plate and the front baffle plate are drilled, the workpiece is subjected to large drilling force, the magnetic attraction mode is limited, the requirement of fixing the workpiece cannot be met, the workpiece is usually shifted, the hole of the workpiece is inclined if the workpiece is continuously processed, the precision of the workpiece is affected, and even the workpiece (the tail wing plate and the front baffle plate) is scrapped.

Accordingly, the inventors have provided a machine tool work accuracy positioning device to solve the above-described problems.

Disclosure of Invention

The utility model aims to solve the problem that the tail wing plate or the front baffle plate is scrapped due to the fact that the traditional positioning device adopts magnetic attraction to fix the tail wing plate or the front baffle plate and is easy to shift in the processing process of the tail wing plate or the front baffle plate.

The technical scheme of the utility model for solving the problems is as follows: the machine tool working precision positioning device comprises a machine body and a drilling assembly which is arranged on the machine body and can process a workpiece, wherein a fixing assembly which can position and fix the workpiece is also arranged on the machine body;

the fixing assembly comprises clamping jaws and a driving piece, wherein the clamping jaws can be opened or closed, the driving piece is connected with the clamping jaws, and the driving piece can drive the clamping jaws to enable the clamping jaws to be opened or closed.

Further, the clamping jaw comprises a mounting seat and a mounting plate arranged on the mounting seat, the driving piece comprises a connecting unit and a telescopic cylinder connected with the connecting unit, the telescopic cylinder is fixed on one side of the mounting plate, and the telescopic cylinder can push the connecting unit to move.

Further, the connecting unit comprises a connecting rod connected with the piston end of the telescopic cylinder and a supporting rod fixedly connected to the end part of the connecting rod, and the end parts of the connecting rod are fixedly connected with the middle parts of the supporting rod respectively.

Further, the two ends of the supporting rod are respectively hinged with a first pull rod and a second pull rod.

Further, the two ends of the mounting plate are symmetrically hinged with a first clamping jaw and a second clamping jaw respectively, and one ends of the first clamping jaw and the second clamping jaw are rotatably mounted on the mounting plate.

Further, the free end of the first pull rod is connected with the first clamping jaw, the free end of the second pull rod is connected with the second clamping jaw, and the driving piece drives the first clamping jaw and the second clamping jaw to be far away from each other so as to open or close to each other so as to close.

Further, first clamping jaw and second clamping jaw set up relatively, and the free end of first clamping jaw and second clamping jaw all is equipped with the rubber pad, open one side that the rubber pad kept away from first clamping jaw has the arc wall, arc wall surface is equipped with friction line.

Further, the bottom of mount pad is equipped with the stopper, open on the surface of organism has the spacing groove with stopper looks adaptation, the stopper can slide in the spacing groove.

The beneficial effects of the utility model are as follows:

1. compared with the prior art, the tail wing plate clamping device has the advantages that the first clamping jaw, the second clamping jaw and the driving piece are arranged, the first clamping jaw and the second clamping jaw are driven by the driving piece to clamp the tail wing plate, and the tail wing plate is fixed in a clamping mode. Compared with the traditional magnetic attraction fixation, the magnetic attraction type tail vane can reduce the jumping generated in the drilling process, avoid the tail vane from shifting, firmly clamp the tail vane, and realize the effect of optimizing and clamping by taking the driving piece as a power source.

2. Compared with the prior art, this experiment is novel through firmly fixing a position the tailboard, has improved the precision of processing, has avoided the condition that the processing course tailboard shifted and caused hole skew or slope, has improved the processingquality of tailboard, has guaranteed the precision requirement, has avoided appearing tailboard or preceding baffle scrapped problem.

Drawings

FIG. 1 is a schematic view of a machine tool working accuracy positioning device according to an embodiment of the present application;

FIG. 2 is a schematic view of another direction structure of a positioning device for working accuracy of a machine tool according to an embodiment of the present application;

FIG. 3 is a schematic view of a structure of a clamping jaw of a positioning device for working accuracy of a machine tool according to an embodiment of the present application;

FIG. 4 is a schematic view of another directional structure of a positioning device for working accuracy of a machine tool according to an embodiment of the present application;

fig. 5 is a schematic view of an SS-31 type tail vane structure of a positioning device for working accuracy of a machine tool according to an embodiment of the present application.

The drawings are for illustrative purposes only and are not to be construed as limiting the present patent; for the purpose of better illustrating the embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted; the same or similar reference numerals correspond to the same or similar components; the terms describing the positional relationship in the drawings are merely illustrative and should not be construed as limiting the present patent.

Reference numerals:

the machine body 1, the tail vane 2, the protruding part 201, the clamping jaw 3, the mounting plate 301, the mounting seat 302, the limiting block 3021, the connecting rod 303, the first clamping jaw 304, the second clamping jaw 305, the first pull rod 306, the second pull rod 307, the supporting rod 308, the rubber pad 309 and the telescopic cylinder 4.

Detailed Description

It should be noted that, in the case of no conflict, the embodiments and technical features in the embodiments may be combined with each other, and the detailed description in the specific embodiments should be interpreted as an explanation of the gist of the present application and should not be construed as undue limitation to the present application.

For the purposes, technical solutions and advantages of the embodiments of the present application to be more apparent, the specific technical solutions of the present application will be described in further detail below with reference to the accompanying drawings in the embodiments of the present application. The following examples are illustrative of the present application, but are not intended to limit the scope of the present application.

In the present embodiments, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.

Furthermore, in the embodiments of the present application, the terms "upper," "lower," "left," and "right," etc., are defined with respect to the orientation in which the components in the drawings are schematically disposed, and it should be understood that these directional terms are relative terms, which are used for descriptive and clarity with respect to each other, and which may vary accordingly with respect to the orientation in which the components in the drawings are disposed.

In the embodiments herein, unless explicitly specified and limited otherwise, the term "connected" is to be construed broadly, and for example, "connected" may be either a fixed connection, a removable connection, or an integral body; can be directly connected or indirectly connected through an intermediate medium.

In the present embodiments, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

In the embodiments of the present application, words such as "exemplary" or "such as" are used to mean serving as examples, illustrations, or descriptions. Any embodiment or design described herein as "exemplary" or "for example" should not be construed as preferred or advantageous over other embodiments or designs. Rather, the use of words such as "exemplary" or "such as" is intended to present related concepts in a concrete fashion.

The technical scheme of the utility model is described in detail below with reference to the specific drawings.

Examples

Firstly, it should be noted that, the positioning device provided by the embodiment of the utility model mainly aims at processing special-shaped workpieces, the special-shaped workpieces are mainly a tail wing plate 2 and a front baffle plate, the tail wing plate 2 is of an SS-31 type, the front baffle plate is of a QAR-65 type, the two workpieces are huge in required quantity and similar in size, when the tail wing plate 2 of the type is processed before, the two workpieces are directly placed on a machine tool platform to be fixed in a magnetic plate magnetic attraction mode, the drilling force applied to the workpieces is large, the magnetic plate magnetic attraction mode often cannot meet the requirement of fixing the workpieces, the workpieces are displaced, and the processed workpieces do not meet the processing design requirement, so that the positioning device is designed to cope with the processing of the workpieces. As shown in fig. 5, the workpiece is an SS-31 type tail vane 2, the bottom plate of the tail vane 2 is symmetrically provided with a protruding portion 201, and the protruding portion 201 is arranged to facilitate alignment and clamping by clamping the protruding portion 201, so that positioning accuracy of a subsequent processing hole is facilitated, and the effect of improving processing accuracy is achieved to a certain extent. Of course, in contemplated embodiments, the QAR-65 front baffle may also be drilled. Accordingly, the present description will be primarily directed to the tail vane 2 of SS-31, but the scope of the embodiments of the present application is not limited thereto based on the foregoing description.

Referring to fig. 1-4, the positioning device for working accuracy of a machine tool provided in this embodiment includes a machine body 1 and a drilling assembly disposed on the machine body 1 and capable of drilling a workpiece (tail vane 2), wherein the drilling assembly is a common known technique in the machining field, and the utility model is not repeated herein. The machine body 1 is also provided with fixing components which can position and fix the workpiece, and the two fixing components are preferably arranged on the machine body 1 oppositely for clamping and fixing the tail wing plate 2 of the SS-31.

Preferably, the fixing assembly comprises a clamping member and a driving member, the clamping jaw 3 can be opened or closed, the driving member is connected with the clamping jaw 3, and the driving member can drive the clamping jaw 3 to enable the clamping jaw 3 to be opened or closed. When the clamping jaw 3 is used, as shown in fig. 1 and 2, the driving piece drives the clamping jaw 3 to open so as to clamp the SS-31 type tail wing plate 2, when the clamping jaw 3 is attached to the SS-31 type tail wing plate 2, the driving piece is controlled to enable the clamping jaw 3 to be closed, and then the SS-31 type tail wing plate 2 is clamped to be fixed.

As shown in fig. 1, 2 and 3, the clamping jaw 3 includes a mounting seat 302 and a mounting plate 301 disposed on the mounting seat 302, a limiting block 3021 is disposed at the bottom of the mounting seat 302, the number of the limiting blocks 3021 is one or more, according to an exemplary embodiment, the number of the limiting blocks 3021 is preferably two, a limiting groove adapted to the limiting block 3021 is formed in the surface of the machine body 1, and the limiting block 3021 can be inserted into the limiting groove and slide in the limiting groove.

As shown in fig. 3 and 4, the driving member includes a connection unit and a telescopic cylinder 4 connected to the connection unit, and the telescopic cylinder 4 of the present utility model is preferably a cylinder; the telescopic cylinder 4 is fixed at one side of the mounting plate 301, and the telescopic cylinder 4 can push the connection unit to move. The connecting unit comprises a connecting rod 303 connected with the piston end of the telescopic cylinder 4 and a supporting rod 308 fixedly connected with the end part of the connecting rod 303, the end part of the connecting rod 303 is fixedly connected with the middle part of the supporting rod 308 respectively, and the two ends of the supporting rod 308 are hinged with a first pull rod 306 and a second pull rod 307 respectively.

The two ends of the mounting plate 301 are symmetrically hinged with a first clamping jaw 304 and a second clamping jaw 305 respectively, the first clamping jaw 304 and the second clamping jaw 305 are oppositely arranged, one ends of the first clamping jaw 304 and the second clamping jaw 305 are rotatably arranged on the mounting plate 301, a first pull rod 306 is connected with the first clamping jaw 304, a second pull rod 307 is connected with the second clamping jaw 305, and a driving piece drives the first clamping jaw 304 and the second clamping jaw 305 to be far away from each other so as to open or close to each other so as to close. The free ends of the first clamping jaw 304 and the second clamping jaw 305 are respectively provided with a rubber pad 309, the positions of the rubber pads 309 for being attached to the SS-31 type tail wing plates 2 are provided with arc grooves, and the arc grooves can deform in the clamping process, so that the contact area is increased, and the clamping is convenient; friction lines are arranged on the surfaces of the arc-shaped grooves and used for increasing friction, so that the SS-31 type tail wing plate 2 can be clamped and fixed conveniently.

In the implementation process of the utility model, the SS-31 type tail wing plate 2 is placed between the two first clamping jaws 304 and the second clamping jaws 305, the SS-31 type tail wing plate 2 is adjusted to be placed at a proper position, the first clamping jaws 304 and the second clamping jaws 305 respectively clamp the convex parts 201 on the SS-31 type tail wing plate 2 so as to facilitate positioning, then the two telescopic cylinders 4 are started, the piston rods of the telescopic cylinders 4 are contracted to drive the connecting rods 303 to move, the positions of the first clamping jaws 304 and the second clamping jaws 305 are changed, the opposite first clamping jaws 304 and the second clamping jaws 305 are mutually close to clamp the SS-31 type tail wing plate 2, and when the positioning and clamping of the SS-31 type tail wing plate 2 are determined to be correct, the drilling assembly is started to process the SS-31 type tail wing plate 2.

The foregoing embodiment numbers of the present application are merely for describing, and do not represent advantages or disadvantages of the embodiments. The foregoing description is only of the preferred embodiments of the present application, and is not intended to limit the scope of the claims, and all equivalent structures or equivalent processes using the descriptions and drawings of the present application, or direct or indirect application in other related technical fields are included in the scope of the claims of the present application.

Claims

1. The machine tool working precision positioning device is characterized by comprising a machine body and a drilling assembly which is arranged on the machine body and can process a workpiece, wherein a fixing assembly which can position and fix the workpiece is also arranged on the machine body;

2. The positioning device for working accuracy of a machine tool according to claim 1, wherein the clamping jaw comprises a mounting seat and a mounting plate arranged on the mounting seat, the driving piece comprises a connecting unit and a telescopic cylinder connected with the connecting unit, the telescopic cylinder is fixed on one side of the mounting plate, and the telescopic cylinder can push the connecting unit to move.

3. The positioning device for working accuracy of a machine tool according to claim 2, wherein the connecting unit comprises a connecting rod connected with a piston end of the telescopic cylinder and a supporting rod fixedly connected with the end of the connecting rod, and the end of the connecting rod is fixedly connected with the middle position of the supporting rod respectively.

4. A machine tool working accuracy positioning device according to claim 3, wherein the two ends of the supporting rod are respectively hinged with a first pull rod and a second pull rod.

5. The positioning device for working accuracy of a machine tool according to claim 4, wherein the two ends of the mounting plate are symmetrically hinged with a first clamping jaw and a second clamping jaw respectively, and one ends of the first clamping jaw and the second clamping jaw are rotatably mounted on the mounting plate.

6. A machine tool working accuracy positioning device according to claim 5, wherein the free end of the first pull rod is connected to the first jaw, the free end of the second pull rod is connected to the second jaw, and the driving member drives the first jaw and the second jaw away from each other to open or close to each other to close.

7. The positioning device for working accuracy of a machine tool according to claim 6, wherein the first clamping jaw and the second clamping jaw are arranged oppositely, rubber pads are arranged at free ends of the first clamping jaw and the second clamping jaw, an arc-shaped groove is formed in one side, away from the first clamping jaw, of the rubber pads, and friction lines are arranged on the surface of the arc-shaped groove.

8. The positioning device for the working accuracy of the machine tool according to claim 2, wherein a limiting block is arranged at the bottom of the mounting seat, a limiting groove matched with the limiting block is formed in the surface of the machine body, and the limiting block can slide in the limiting groove.