CN212977462U

CN212977462U - Circular bar clamp of numerical control lathe

Info

Publication number: CN212977462U
Application number: CN202021919175.XU
Authority: CN
Inventors: 刘祉祺; 张妤
Original assignee: Northeast Forestry University
Current assignee: Northeast Forestry University
Priority date: 2020-09-06
Filing date: 2020-09-06
Publication date: 2021-04-16
Anticipated expiration: 2030-09-06

Abstract

The utility model discloses a numerical control lathe circular bar clamp, a movable base is movably installed above a fixed base, an adjusting bracket is installed above the movable base, an adjusting bolt is screwed on the body of the adjusting bracket, a fixing nut is screwed on the outer side of the adjusting bolt, the lower side of the fixing nut is attached to the upper end of the adjusting bracket, the upper end of the adjusting bolt is movably connected with a lower side chuck, the front side and the rear side of the upper part of the adjusting bracket are both provided with a limit bracket, the upper sides of the two limit brackets are provided with a support plate, the upper end of the support plate is provided with a cylinder, when a circular bar with longer length is processed, one end of the circular bar is fixed by a chuck, the other end of the circular bar is fixed by the device, both ends of the circular bar are fixed, the jumping amplitude of the circular bar can be reduced, thereby improving the processing precision of the numerical control lathe.

Description

Circular bar clamp of numerical control lathe

Technical Field

The utility model relates to a turning attachment technical field specifically is the circular bar anchor clamps of numerical control lathe.

Background

The lathe fixture is used for processing inner and outer revolution surfaces and end faces of a workpiece on a lathe, most of the lathe fixtures are installed on a main shaft, and a few of the lathe fixtures are installed on a saddle or a lathe bed.

When the length of the round bar is long, the round bar cannot be completely fixed by the ejector pin, the chuck drives the round bar to rotate, one end, close to the ejector pin, of the round bar jumps to a large extent, the jumping amplitude of the round bar is large, the machining precision of the numerical control lathe can be reduced, and the cutter is easily damaged.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a circular bar anchor clamps of numerical control lathe to the longer circular bar that proposes in solving above-mentioned background art is adding the great problem of range of beating man-hour.

In order to achieve the above object, the utility model provides a following technical scheme: a circular bar clamp of a numerical control lathe comprises a fixed base and two chucks, wherein a movable base is movably mounted above the fixed base, an adjusting support is mounted above the movable base, an adjusting bolt is screwed on a body of the adjusting support, a fixing nut is screwed on the outer side of the adjusting bolt, the lower side of the fixing nut is attached to the upper end of the adjusting support, the upper end of the adjusting bolt is movably connected with the lower chuck, limiting supports are mounted on the front side and the rear side of the upper portion of the adjusting support, supporting plates are mounted on the upper sides of the two limiting supports, an air cylinder is mounted on the upper end of each supporting plate, the telescopic end of each air cylinder penetrates through the supporting plates and is connected with the upper chuck, guide grooves are formed in the viewing sides of the two limiting supports, the front end and the rear end of each chuck are respectively arranged in the two guide grooves, and a transfer plate is mounted, and guide wheels are movably arranged on the viewing sides of the adapter plates on the two sides.

Preferably, the two chuck looks the side and all has seted up the constant head tank, both sides the keysets is installed respectively in the constant head tank of both sides.

Preferably, the upside the semicircle orifice has all been seted up at the side both ends about the chuck, the ball has been placed to the semicircle orifice, both sides the left and right sides of guide way all is provided with the half slot, ball and half slot looks adaptation.

Preferably, a dovetail groove is formed above the fixed base, a dovetail is arranged on the lower side of the movable base, and the dovetail is inserted into the dovetail groove.

Preferably, the left side and the right side of the fixing base are both provided with fixing bolts, the lower ends of the nuts of the fixing bolts are attached to the bottoms of the dovetail grooves, and the upper surfaces of the nuts of the fixing bolts are arranged above the lower surfaces of the dovetails.

Compared with the prior art, the beneficial effects of the utility model are that:

1) when a long round bar is machined, one end of the round bar is fixed by a chuck, the other end of the round bar is fixed by the device, and the two ends of the round bar are fixed, so that the jumping amplitude of the round bar can be reduced, and the machining precision of a numerical control lathe is improved;

2) current anchor clamps are all the snap-on the mounting table face, when the position of anchor clamps needs the fine setting, still must punch on the mounting table face again, then remove anchor clamps again, when the hole on the mounting table face is too much, can influence the firmness of mounting table face, and this device slides on unable adjustment base through removing the base for the position of anchor clamps can be adjusted, thereby has avoided the repetition to punch on the mounting table face.

Drawings

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

FIG. 2 is a left side view of the structure of the present invention;

FIG. 3 is a schematic top view of the front side limiting bracket of the present invention;

fig. 4 is a left side view structural diagram of the upper side chuck of the present invention.

In the figure: the device comprises a fixing base 1, a moving base 2, an adjusting support 3, a limiting support 4, a semicircular groove 41, a supporting plate 5, an air cylinder 6, a chuck 7, an adapter plate 8, a guide wheel 9, an adjusting bolt 10, a fixing nut 11, a fixing bolt 12 and a ball 13.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

referring to fig. 1-4, the present invention provides a technical solution: a circular bar clamp of a numerical control lathe comprises a fixed base 1 and two chucks 7, a movable base 2 is movably mounted above the fixed base 1, a stud is arranged on the body of the movable base 2, the movable base 2 can be fixed on the fixed base 1 by screwing the stud, an adjusting bracket 3 is mounted above the movable base 2, an adjusting bolt 10 is screwed on the body of the adjusting bracket 3, a fixing nut 11 is screwed on the outer side of the adjusting bolt 10, the lower side of the fixing nut 11 is attached to the upper end of the adjusting bracket 3, the upper end of the adjusting bolt 10 is movably connected with the lower chuck 7, limiting brackets 4 are mounted on the front and rear sides above the adjusting bracket 3, a support plate 5 is mounted on the upper sides of the two limiting brackets 4, an air cylinder 6 is mounted on the upper end of the support plate 5, the telescopic end of the air cylinder 6 penetrates through the support plate 5 and is connected with the upper chuck 7, guide grooves are, the front and back ends of two chucks 7 are respectively in two guide grooves, the left and right sides at the two ends of the lower chuck 7 are respectively attached to the left and right side cavity walls of the guide grooves on the two sides, the front and back ends of the two chucks 7 are respectively attached to the cavity walls of the sides deviated from the guide grooves on the two sides, the viewing sides of the two chucks 7 are respectively arranged to be V-shaped, the adapter plate 8 is installed on the left and right sides of the viewing sides of the two chucks 7, and the guide wheels 9 are movably installed on the viewing sides of the adapter plates 8 on the two sides.

The constant head tank has all been seted up to the side of looking mutually of two chucks 7, and the constant head tank of both sides is installed respectively to both sides keysets 8, and keysets 8 passes through the screw to be connected with chuck 7.

Semicircle orifice has all been seted up at the side both ends about the upside chuck 7, has placed ball 13 in the semicircle orifice, and the left and right sides of both sides guide way all is provided with half slot 41, ball 13 and the 41 looks adaptations of half slot, is holding ball 13 between spacing support 4 and the upside chuck 7, and the side all does not contact with the front and back side cavity wall of both sides guide way about the upside chuck 7 both ends.

The dovetail groove is formed above the fixed base 1, the dovetail is arranged on the lower side of the movable base 2, and the dovetail is inserted into the dovetail groove.

Fixing base 1's the left and right sides all is provided with fixing bolt 12, and fixing bolt 12's nut lower extreme and the bottom laminating of dovetail, fixing bolt 12's nut upper surface are in the top of forked tail lower surface, and fixing base 1 can only remove between fixing bolt 12 of both sides.

The working principle is as follows: during operation, the fixed base 1 is fixed on the installation table surface through the fixed bolt 12, then the position of the movable base 2 is adjusted, after the position of the movable base 2 is adjusted, the movable base 2 is fixed on the fixed base 1 through the stud on the body of the movable base 2, then the fixed nut 11 is unscrewed, then the adjusting bolt 10 is rotated, the height of the lower chuck 7 can be adjusted through rotating the adjusting bolt 10, the round bar can be centered through adjusting the height of the lower chuck 7, after the centering is finished, the fixed nut 11 is screwed, the adjusting bolt 10 is fixed, at the moment, the lower chuck 7 cannot move, then one end of the round bar is placed between the two chucks 7, then the air cylinder 6 is started, the air cylinder 6 pushes the upper chuck 7 to move downwards, the upper chuck 7 pushes the upper adapter plate 8 to move downwards, the upper adapter plate 8 drives the upper guide wheel 9 to move downwards, the two side guide wheels 9 then grip the round bar and as the round bar rotates, the guide wheels 9 can follow the round bar to rotate together.

Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Circular bar anchor clamps of numerical control lathe, including unable adjustment base (1) and two chuck (7), its characterized in that: the upper part of the fixed base (1) is movably provided with a movable base (2), an adjusting bracket (3) is arranged above the movable base (2), an adjusting bolt (10) is screwed on the body of the adjusting bracket (3), a fixing nut (11) is screwed on the outer side of the adjusting bolt (10), the lower side of the fixing nut (11) is attached to the upper end of the adjusting bracket (3), the upper end of the adjusting bolt (10) is movably connected with a lower side chuck (7), the front side and the rear side of the upper part of the adjusting bracket (3) are both provided with a limiting bracket (4), the upper sides of the two limiting brackets (4) are provided with a supporting plate (5), the upper end of the supporting plate (5) is provided with an air cylinder (6), the telescopic end of the air cylinder (6) penetrates through the supporting plate (5) and is connected with the upper side chuck (7), and the viewing sides of the two limiting brackets (4) are both provided, the front end and the rear end of the two chucks (7) are respectively arranged in the two guide grooves, the two looks sides of the two chucks (7) are respectively provided with an adapter plate (8), and the looks sides of the adapter plates (8) at the two sides are respectively and movably provided with a guide wheel (9).

2. The numerical control lathe circular bar clamp of claim 1, wherein: the side of looking mutually of two chuck (7) all has seted up the constant head tank, both sides keysets (8) are installed respectively in the constant head tank of both sides.

3. The numerical control lathe circular bar clamp of claim 1, wherein: upside semicircle orifice has all been seted up at the side both ends about chuck (7), ball (13) have been placed in the semicircle orifice, both sides the side all is provided with half slot (41) about the guide way, ball (13) and half slot (41) looks adaptation.

4. The numerical control lathe circular bar clamp of claim 1, wherein: the dovetail groove is formed in the upper portion of the fixed base (1), the dovetail is arranged on the lower side of the movable base (2), and the dovetail is inserted into the dovetail groove in an inserting mode.

5. The numerical control lathe circular bar clamp of claim 4, wherein: the side all is provided with fixing bolt (12) about unable adjustment base (1), the laminating of the nut lower extreme and the bottom of dovetail of fixing bolt (12), the nut upper surface of fixing bolt (12) is in the top of forked tail lower surface.