CN209867406U - Jack catch and machine tool - Google Patents

Abstract

The utility model discloses a jack catch and lathe, include: the clamping mechanism comprises a chuck and a jaw assembly arranged on the chuck; the locating component comprises at least two sets of locating parts which are movably arranged on the chuck, the locating parts are provided with locating parts extending towards the direction of the clamping jaw component, one side of the workpiece loading direction of the clamping mechanism on the locating parts is provided with a locating surface, the locating parts are provided with locating structures which can locate the locating parts on the chuck, the workpiece is loaded along the axial direction of the clamping jaw component, one end of the workpiece is abutted against the locating surface, the locating surface can locate the axial direction of the workpiece, the workpiece is clamped or tensioned through the clamping jaw component, through additionally arranging the locating surface, the workpiece which is fixed is located in an auxiliary mode, the precision of the workpiece which is fixed is improved, and the locating surface can protect the end surface of the workpiece, the damage to the workpiece in the machining process is reduced, and the machining requirements of different.

Description

Jack catch and machine tool

Technical Field

The utility model relates to a machining equipment field, in particular to jack catch and lathe.

Background

The jaw chuck is a common machining clamp and is used for clamping and machining workpieces in machine tools such as lathes and boring machines, at present, common jaws can only clamp or tension the workpieces through the jaw part, the thickness of the short workpieces such as belt pulleys with insufficient clamping or tensioning positions cannot be too large, the short workpieces are generally fixed through holes in the tensioning middle part or convex rings in the clamping middle part, and the positioning accuracy is not high due to the fact that the positions of the jaws are insufficient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a jack catch and lathe, can carry out assistance-localization real-time to fixing the work piece on pressing from both sides tight jack catch.

The utility model provides a technical scheme that its technical problem adopted is:

a pawl, comprising:

the clamping mechanism comprises a chuck and a jaw assembly arranged on the chuck;

the locating component, the locating component includes that at least two sets of activities set up the setting element on the chuck, the setting element extends to jack catch subassembly direction and is provided with a locating part, one side of the work piece direction of packing into towards fixture in the locating part is provided with a locating surface, the setting element disposes the location structure that can fix a position the setting element on the chuck.

During the application, the work piece is packed into along jack catch subassembly's axial, and the one end of work piece supports and leans on the locating surface, the locating surface can fix a position the axial of work piece to through jack catch subassembly centre gripping or the tight work piece that rises, can accomplish the location of work piece, the embodiment of the utility model provides a through addding setting element and locating surface, carry out assistance-localization real-time to the work piece by the centre gripping or rise, improve the precision that the work piece was fixed, just the locating surface can be protected the terminal surface of work piece, reduces the damage that causes the work piece among the machining process to can realize the regulation to setting element and locating surface position, satisfy the processing requirement of different work pieces.

Preferably, the setting element uses the jack catch subassembly to set up on the chuck as central annular, the locating surface is an arc structure, when the setting element sets up on the chuck, the centre of a circle of arc structure is located the radial direction of jack catch subassembly to make the setting element can adapt to circular shape work piece such as belt pulley, counter weight wheel, flange.

Preferably, the locating piece slides and sets up on the chuck, just the slip direction of locating piece is syntropy with the radial direction of jack catch subassembly to adjust the locating piece position according to different work piece external diameters, and can be gradually expand or reduce the scope of locating surface.

Preferably, the fixed sliding seat that is provided with and corresponds with the setting element on the chuck, be provided with the spout with the radial direction syntropy of jack catch subassembly on the sliding seat, dispose the slider with spout sliding fit on the setting element, can realize the slip setting of setting element.

Preferably, the sliding part is connected with the positioning part through a connecting assembly, and the sliding part and/or the positioning part can be pressed on the sliding seat through the connecting assembly to form the positioning structure to position the positioning part.

Preferably, the connecting assembly comprises at least one group of bolts, and the distance between the sliding piece and the positioning piece can be adjusted by rotating the bolts so as to clasp or loosen the sliding seat to realize the positioning of the positioning piece.

Preferably, be provided with the concave-convex line structure that can mutually support on the relative face of setting element and sliding seat to structural stability when improving the location.

Preferably, the jack catch subassembly includes three group's jack catchs, the setting element disposes three groups, and passes through respectively the jack catch is separated to guarantee that each interval position all has the setting element to carry out assistance-localization real-time, guarantees the precision and the stability of location.

Preferably, the locating portion does not protrude from the end of the jaw assembly to post-locate the workpiece.

The utility model also discloses a lathe, include the tight jack catch of clamp to realize the assistance-localization real-time of the work piece of processing on the lathe and protect the function of the terminal surface of work piece.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples;

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a positioning member according to an embodiment of the present invention;

FIG. 3 is a schematic front view of a positioning member according to an embodiment of the present invention;

FIG. 4 is a top view of a positioning member according to an embodiment of the present invention;

FIG. 5 is a top view of a slider according to an embodiment of the present invention;

FIG. 6 is a schematic side view of a slider according to an embodiment of the present invention;

FIG. 7 is a top view of a sliding seat in accordance with an embodiment of the present invention;

fig. 8 is a schematic cross-sectional view of a sliding seat according to an embodiment of the present invention.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 8, fig. 1 to 8 are schematic structural views of an embodiment of the present invention, and as shown in the drawings, a jaw includes: fixture, locating component.

As shown in fig. 1, the clamping mechanism comprises a chuck and a jaw assembly 1 arranged on the chuck; the utility model provides a through addding setting element and locating surface, carry out assistance-localization real-time to the work piece by centre gripping or rising, improve the precision that the work piece is fixed, just locating surface 211 can protect the terminal surface of work piece, reduces the damage that the machine tooling in-process caused the work piece, setting element 2 is provided with a locating part 21 to 1 direction extension of jack catch subassembly, one side of the orientation of packing into towards fixture's work piece on locating part 21 is provided with a locating surface 211, during the use, and the work piece is packed into along jack catch subassembly 1's axial, and the one end of work piece is supported and is leaned on locating surface 211, locating surface 211 can fix a position the axial of work piece to through jack catch subassembly 1 centre gripping or the tight work piece that rises, can accomplish the location of work piece.

Preferably, setting element 2 activity sets up on the chuck, setting element 2 disposes the location structure that can fix a position setting element 2 on the chuck to the realization is to the regulation of setting element 2 and locating surface 211 position, satisfies the processing requirement of different work pieces.

Preferably, in this embodiment, the positioning surface 211 is a flat surface, so as to improve the positioning accuracy and the protection effect, and of course, in the specific implementation process, the positioning surface 211 may be provided with a concave-convex type or a special-shaped type structure matching with the workpiece, which is not described in detail herein.

Preferably, as shown in fig. 2 and fig. 4, the positioning element 2 is annularly disposed on the chuck by taking the jaw assembly 1 as a center, the positioning surface 211 is of an arc-shaped structure, and when the positioning element 2 is disposed on the chuck, a circle center of the arc-shaped structure is located in a radial direction of the jaw assembly 1, so that the positioning element 2 can be adapted to a circular workpiece, such as a belt pulley, a counterweight wheel, a flange, etc.

Preferably, setting element 2 slides and sets up on the chuck, just the slip direction of setting element 2 and jaw assembly 1's radial direction syntropy to adjust the setting element position according to different work piece external diameters, and can be gradual enlarge or reduce the scope of locating surface, and the chuck generally sets up on rotary mechanism in the in-service use process, set up to the radial direction syntropy with jaw assembly 1 through the slip direction with setting element 2, make setting element 2's centrifugal force direction and slip direction syntropy, reduce centrifugal force to sliding mechanism's influence, guarantee gliding smoothness nature and slip precision.

Preferably, the fixed sliding seat 3 that is provided with and corresponds with setting element 2 on the chuck, in this embodiment, sliding seat 3 passes through the bolt fastening, also can adopt welded fastening certainly, be provided with the spout 31 with the radial direction syntropy of jack catch subassembly 1 on the sliding seat 3, dispose on the setting element 2 with spout 31 sliding fit's slider 32, can realize the slip setting of setting element 2, at concrete implementation in-process of course, still can realize the sliding fit relation through optical axis and slider complex structure, do not detailed here.

Preferably, the sliding member 32 is connected to the positioning member 2 through a connecting assembly, and the sliding member 32 and/or the positioning member 2 can be pressed against the sliding seat 3 through the connecting assembly to form the positioning structure, so as to position the positioning member 2.

Preferably, the connecting assembly comprises at least one set of bolts 4, and the distance between the sliding member 32 and the positioning member 2 can be adjusted by rotating the bolts 4 to clasp or loosen the sliding seat 3, so as to realize the positioning of the positioning member 2.

Preferably, as shown in fig. 6 and 8, in this embodiment, the sliding member 32 is a sliding rail structure with an inverted T-shaped cross section, and the sliding groove 31 is an inverted T-shaped groove engaged with the sliding member 32, but in the specific implementation, the sliding member 32 may also be configured as a dovetail type, and the sliding groove 31 is a dovetail groove engaged with the sliding member 32, which will not be described in detail herein.

Preferably, the opposite surfaces of the positioning piece 2 and the sliding seat 3 are provided with concave-convex grain structures 5 which can be matched with each other, so that the stability of the structure during positioning is improved.

Preferably, jaw assembly 1 includes three groups of jack catchs, setting element 2 disposes three groups, and passes through respectively the jack catch is separated to guarantee that each interval position all has the setting element to carry out assistance-localization real-time, guarantees the precision and the stability of location.

Preferably, the positioning portion 21 does not protrude from the end of the jaw assembly 1 to perform post-positioning on the workpiece, and of course, for the workpiece requiring pre-positioning, the positioning portion 21 may be configured to protrude from the end of the jaw assembly 1, which will not be described in detail herein.

The specific embodiment of the utility model also discloses a machine tool, include the clamping jaw to realize the auxiliary positioning of the work piece of processing on the machine tool and the function of the terminal surface of protection work piece.

It is readily understood by those skilled in the art that the above-described preferred modes can be freely combined and superimposed without conflict.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims (10)

1. The jack catch, its characterized in that includes:

the clamping mechanism comprises a chuck and a jaw assembly (1) arranged on the chuck;

positioning assembly, positioning assembly includes that at least two sets of activities set up setting element (2) on the chuck, setting element (2) extend to jack catch subassembly (1) direction and are provided with a location portion (21), one side of the work piece direction of packing into towards fixture is provided with a locating surface (211) on location portion (21), setting element (2) dispose can be with setting element (2) location structure on the chuck.

2. The jaw according to claim 1,

the positioning piece (2) is annularly arranged on the chuck by taking the jaw assembly (1) as a center, the positioning surface (211) is of an arc-shaped structure, and when the positioning piece (2) is arranged on the chuck, the circle center of the arc-shaped structure is located in the radial direction of the jaw assembly (1).

3. Jaw according to claim 1 or 2,

the positioning piece (2) is arranged on the chuck in a sliding mode, and the sliding direction of the positioning piece (2) is the same as the radial direction of the jaw assembly (1).

4. The jaw according to claim 3,

the chuck is fixedly provided with a sliding seat (3) corresponding to the positioning piece (2), the sliding seat (3) is provided with a sliding groove (31) which is in the same direction with the radial direction of the jaw assembly (1), and the positioning piece (2) is provided with a sliding piece (32) which is in sliding fit with the sliding groove (31).

5. The jaw according to claim 4,

the sliding part (32) is connected with the positioning part (2) through a connecting component, and the sliding part (32) and/or the positioning part (2) can be pressed on the sliding seat (3) through the connecting component to form the positioning structure.

6. The jaw according to claim 5,

the connecting assembly comprises at least one group of bolts (4), and the distance between the sliding piece (32) and the positioning piece (2) can be adjusted by rotating the bolts (4) so as to clasp or loosen the sliding seat (3).

7. Jaw according to claim 5 or 6,

and concave-convex grain structures (5) which can be matched with each other are arranged on the opposite surfaces of the positioning piece (2) and the sliding seat (3).

8. The jaw according to claim 1,

jaw assembly (1) includes three groups of jack catchs, setting element (2) dispose three groups, and pass through respectively the jack catch separates.

9. The jaw according to claim 1,

the positioning part (21) does not protrude from the end part of the jaw assembly (1).

10. A machine tool comprising a jaw according to any one of claims 1 to 9.