CN217393782U

CN217393782U - Precise turning structure

Info

Publication number: CN217393782U
Application number: CN202221170442.7U
Authority: CN
Inventors: 刘光喜; 刘金洋; 邓彩云
Original assignee: Wuhan Yangguang Times Container Manufacturing Co ltd
Current assignee: Wuhan Yangguang Times Container Manufacturing Co ltd
Priority date: 2022-05-16
Filing date: 2022-05-16
Publication date: 2022-09-09
Anticipated expiration: 2032-05-16

Abstract

The utility model provides an accurate lathe work structure relates to lathe work technical field, this accurate lathe work structure, include: the base, the pedestal mounting slides along the main shaft direction single degree of freedom of lathe along it on lathe tool rest seat, the support ring that is used for carrying out spacing support to the work piece is all installed to base top both sides, install between the outer wall bottom of support ring and the top of base and be used for adjusting its position adjusting assembly, the automatic clamping piece of at least three its circumferencial direction equipartition of edge is installed to the outer wall of support ring, the movable end of automatic clamping piece runs through the rampart and the movable mounting of support ring has the ball that is used for the tight work piece in top, the axis of support ring is coaxial with the axis of lathe main shaft. The bending deformation of the workpiece is avoided when the workpiece turns the middle of the workpiece, and the turning precision of the workpiece is ensured.

Description

Precise turning structure

Technical Field

The utility model relates to a lathe work technical field specifically is an accurate lathe work structure.

Background

Turning is lathe machining, which is part of machining. Lathe processing mainly carries out lathe processing with the work piece of lathe sword pairing rotation, and the lathe needs earlier to drill out the centre bore to the work piece when processing longer part, later uses the thimble top in the centre bore, carries out the fixed of member with this mode, and in the actual cutting process, longer part itself is crooked easily, and the thimble further deepens the crooked of member easily to make the precision of turning relatively poor.

The utility model discloses a precision lathe work structure in chinese patent that the bulletin number is CN213164148U, the on-line screen storage device comprises a base, the top one side fixedly connected with curb plate of base, the top center department fixedly connected with fixed plate of base, top one side fixedly connected with cylinder of fixed plate, the piston rod top fixedly connected with thimble seat of cylinder, all sides sliding connection of thimble seat has the sliding sleeve, all sides of sliding sleeve rotate to be connected with and rotate the cover, it deviates from one side fixedly connected with fixed disk of sliding sleeve to rotate the cover, one side sliding connection that the fixed disk deviates from the sliding sleeve has the fixing clip, the both ends of fixed disk are rotated and are connected with the threaded rod.

However, the above technical scheme still has following defect, and the current precision turning structure can fix the one end of major axis far away from the lathe headstock to avoid major axis self to take place crooked in the turning process, but when turning to major axis middle part, the fixed effect of processing structure to the work piece was weakened this moment, makes the major axis take place the microbending, thereby influences the turning precision.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an accurate lathe work structure, the current accurate lathe work structure that aims at solving among the prior art is though can be fixed the one end that the lathe headstock was kept away from to the major axis to avoid turning in-process major axis self to take place crooked, but when turning to the major axis middle part, processing structure weakens the fixed effect of work piece this moment, makes the major axis take place the trace crooked, thereby influences the problem of turning precision.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the precision lathe work structure includes: the base, the pedestal mounting slides along its main shaft direction single degree of freedom along the lathe on lathe tool rest seat, the support ring that is used for carrying out spacing support to the work piece is all installed to base top both sides, install between the outer wall bottom of support ring and the top of base and be used for adjusting its position adjusting part, the automatic clamping piece of at least three its circumferencial direction equipartition of edge is installed to the outer wall of support ring, the movable end of automatic clamping piece runs through the rampart of support ring and movable mounting has the ball that is used for the tight work piece in top, the axis of support ring is coaxial with the axis of lathe main shaft.

The utility model discloses a further technical scheme does, automatic clamping piece includes the fixed column of fixed mounting on the support ring rampart and installs the tight slide-bar of clamp that the fixed column stretched into the intra-annular one end of support ring, ball movable mounting is in the one end that the fixed column was kept away from to tight slide-bar of clamp.

The utility model discloses a further technical scheme does, the inside of fixed column has been seted up and has been pressed from both sides tight spout, the one end that presss from both sides tight slide-spindle and be close to the fixed column stretches into and presss from both sides tight spout and fixed mounting has the permanent magnet, the permanent magnet all through pressing from both sides tight spout and fixed column sliding connection with pressing from both sides tight slide-spindle.

The utility model discloses a further technical scheme does, press from both sides tight spout and keep away from inner wall one side fixed mounting who presss from both sides tight slide-spindle and have the electro-magnet, the electro-magnet is the same with one side magnetism that the permanent magnet is relative.

The utility model discloses a further technical scheme does, press from both sides tight slide-bar and stretch into the inside one end outer wall of tight spout and cup jointed the elastic component, the elastic component is the spring.

The utility model discloses a further technical scheme does, the adjusting part is including seting up the regulation spout in base top both sides, the inside slidable mounting who adjusts the spout has adjusting block, fixed mounting has the connecting block between adjusting block's the top and the bottom of support ring.

The utility model discloses a further technical scheme does, two adjust that the relative one side inner wall of spout all rotates and installs adjusting bolt, adjust slider and adjusting bolt threaded connection.

The utility model discloses a further technical scheme does, the equal fixed mounting in one side both ends that the base is close to the lathe knife rest has and is used for installing its installation splint on the lathe knife rest seat.

The beneficial effects of the utility model are that:

1. when a workpiece is turned, one end of the workpiece penetrates through the two support rings and is fixed on a machine tool spindle, the other end of the workpiece is tightly pushed through the center, then the automatic clamping pieces are started simultaneously, the movable ends of the automatic clamping pieces synchronously tightly push the workpiece, at the moment, the automatic clamping pieces are movably connected with the outer wall of the workpiece through the balls, then the machine tool spindle is started to drive the workpiece to rotate, then the turning tool spindle is started to drive the base to move along the direction of the machine tool spindle and turn the workpiece, and the automatic clamping pieces are movably connected with the outer wall of the workpiece through the balls, so that the device can slide along the surface of the workpiece in a state of clamping the workpiece, the turned part of the workpiece is always positioned between the two support rings, the workpiece is prevented from being bent and deformed when the workpiece turns the middle of the workpiece, and the turning accuracy of the workpiece is ensured.

2. Before the workpiece is limited and supported, the adjusting bolt is rotated to be connected with the adjusting slide block through threads to drive the connecting block and the support rings to slide along the adjusting sliding groove, so that the distance between the two support rings is adjusted, when the automatic clamping piece clamps the workpiece, the electromagnet passes through the automatic clamping piece to generate magnetic force and repel the permanent magnet, and at the moment, the permanent magnet drives the clamping sliding shaft to slide towards the direction of the workpiece, and the workpiece is clamped.

Drawings

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

Fig. 2 is a schematic top view of the base of the present invention.

Fig. 3 is a schematic side view of the self-centering supporting mechanism of the present invention.

FIG. 4 is a schematic sectional view of the self-centering clamping mechanism of the present invention

In the figure: 1. a base; 2. adjusting the sliding chute; 3. adjusting the sliding block; 4. connecting blocks; 5. a support ring; 6. fixing the column; 7. a ball bearing; 8. adjusting the bolt; 9. installing a clamping plate; 10. clamping the chute; 11. an electromagnet; 12. a permanent magnet; 13. clamping the sliding shaft; 14. an elastic member.

Detailed Description

The following description will further describe embodiments of the present invention with reference to the accompanying drawings.

As shown in fig. 1-4, a precision lathe-machined structure includes: base 1, base 1 installs on lathe tool rest seat and slides along its main shaft direction single degree of freedom along the lathe, 1 top both sides of base all install and are used for carrying out spacing support's support ring 5 to the work piece, install between the outer wall bottom of support ring 5 and the top of base 1 and be used for adjusting its position adjusting part, the automatic clamping piece of at least three along its circumferencial direction equipartition is installed to the outer wall of support ring 5, the expansion end of automatic clamping piece runs through the rampart of support ring 5 and movable mounting has the ball 7 that is used for the tight work piece in top, the axis of support ring 5 is coaxial with the axis of lathe main shaft.

In the embodiment, when the workpiece is turned, one end of the workpiece passes through the two support rings 5 and is fixed on a main shaft of a machine tool, the other end of the workpiece is tightly pressed by a tip, then simultaneously starting a plurality of automatic clamping pieces, enabling the movable ends of the automatic clamping pieces to synchronously jack the workpiece tightly, wherein the automatic clamping pieces are movably connected with the outer wall of the workpiece through balls 7, then the main shaft of the machine tool is started to drive the workpiece to rotate, then the main shaft of the turning tool is started to drive the base 1 to move along the direction of the main shaft of the machine tool and turn the base, because the automatic clamping piece is movably connected with the outer wall of the workpiece through the ball 7, the device can slide along the surface of the workpiece under the state of keeping clamping the workpiece, therefore, the turning part of the workpiece is always positioned between the two support rings 5, the workpiece is prevented from bending and deforming when the workpiece turns the middle of the workpiece, and the turning precision of the workpiece is ensured.

Specifically, the automatic clamping piece comprises a fixed column 6 fixedly installed on the annular wall of the supporting ring 5 and a clamping sliding shaft 13 installed at one end, extending into the supporting ring 5, of the fixed column 6, and the ball 7 is movably installed at one end, far away from the fixed column 6, of the clamping sliding shaft 13.

Furthermore, the inside of fixed column 6 has been seted up and has been pressed from both sides tight spout 10, presss from both sides tight slide 13 and stretches into and press from both sides tight spout 10 and fixed mounting has permanent magnet 12 near the one end of fixed column 6, and permanent magnet 12 all passes through tight spout 10 and fixed column 6 sliding connection with pressing from both sides tight slide 13.

Furthermore, an electromagnet 11 is fixedly installed on one side of the clamping chute 10, which is far away from the inner wall of the clamping chute 13, and the side of the electromagnet 11, which is opposite to the permanent magnet 12, has the same magnetism.

Furthermore, the outer wall of one end of the clamping sliding shaft 13 extending into the clamping sliding chute 10 is sleeved with an elastic part 14, the elastic part 14 is a spring, when the automatic clamping part clamps the workpiece, the automatic clamping part passes through the electromagnet 11 to generate magnetic force and repel the permanent magnet 12, and at the moment, the permanent magnet 12 drives the clamping sliding shaft 13 to slide towards the workpiece and clamp the workpiece.

Specifically, the adjusting part includes the regulation spout 2 of seting up in 1 top both sides of base, and the inside slidable mounting of adjusting spout 2 has adjust the slider 3, and fixed mounting has connecting block 4 between the top of adjust the slider 3 and the bottom of support ring 5.

Further, two adjust 2 relative one side inner walls of spout and all rotate and install adjusting bolt 8, adjusting

block

3 and 8 threaded connection of adjusting bolt, before the spacing support of work piece, rotate adjusting bolt 8, make it drive connecting block 4 and support ring 5 through the threaded connection with adjusting block 3 and slide along adjusting spout 2 to adjust the distance between two support rings 5.

Furthermore, both ends of one side of the base 1 close to the tool rest of the machine tool are fixedly provided with mounting clamping plates 9 for mounting the base on the tool rest seat of the machine tool.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; 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.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. 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. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A precision lathe work structure comprising: base (1), its characterized in that, base (1) is installed on lathe tool rest seat and is slided along its main shaft direction single degree of freedom along the lathe, support ring (5) that are used for carrying out limit support to the work piece are all installed to base (1) top both sides, install between the outer wall bottom of support ring (5) and the top of base (1) and be used for adjusting its position adjusting part, the automatic clamping piece of at least three its circumferencial direction equipartition of edge is installed to the outer wall of support ring (5), the movable end of automatic clamping piece runs through the rampart and movable mounting of support ring (5) has ball (7) that are used for the tight work piece in top, the axis of support ring (5) is coaxial with the axis of lathe main shaft.

2. The precision turning structure according to claim 1, characterized in that the automatic clamping member comprises a fixed column (6) fixedly mounted on the annular wall of the support ring (5) and a clamping slide shaft (13) mounted at one end of the fixed column (6) extending into the annular wall of the support ring (5), and the ball (7) is movably mounted at one end of the clamping slide shaft (13) far away from the fixed column (6).

3. The precision turning structure according to claim 2, wherein a clamping sliding groove (10) is formed in the fixed column (6), one end of the clamping sliding shaft (13) close to the fixed column (6) extends into the clamping sliding groove (10) and is fixedly provided with a permanent magnet (12), and the permanent magnet (12) and the clamping sliding shaft (13) are both in sliding connection with the fixed column (6) through the clamping sliding groove (10).

4. The precision turning structure according to claim 3, wherein an electromagnet (11) is fixedly installed on one side of the inner wall of the clamping chute (10) far away from the clamping slide shaft (13), and the side of the electromagnet (11) opposite to the permanent magnet (12) has the same magnetism.

5. The precision turning structure according to claim 4, wherein an elastic member (14) is sleeved on an outer wall of one end of the clamping sliding shaft (13) extending into the clamping sliding groove (10), and the elastic member (14) is a spring.

6. The precision turning structure according to claim 1, characterized in that the adjusting component comprises adjusting chutes (2) arranged on two sides of the top of the base (1), adjusting sliders (3) are slidably mounted inside the adjusting chutes (2), and connecting blocks (4) are fixedly mounted between the top ends of the adjusting sliders (3) and the bottom ends of the support rings (5).

7. The precision turning structure according to claim 6, wherein the adjusting bolts (8) are rotatably mounted on the inner walls of the two opposite sides of the adjusting sliding grooves (2), and the adjusting sliding blocks (3) are in threaded connection with the adjusting bolts (8).

8. The precision turning structure according to any one of claims 1 to 7, wherein both ends of one side of the base (1) close to the tool rest of the machine tool are fixedly provided with mounting clamping plates (9) for mounting the base on the tool rest seat of the machine tool.