CN113414632A

CN113414632A - Correcting unit of axis before bar part lathe work

Info

Publication number: CN113414632A
Application number: CN202110840129.3A
Authority: CN
Inventors: 王洋; 郭立宇; 晁耀杰; 于连杰; 单彬; 杨峻岭; 杜威
Original assignee: Dalian Changfeng Industrial Corp
Current assignee: Dalian Changfeng Industrial Corp
Priority date: 2021-07-24
Filing date: 2021-07-24
Publication date: 2021-09-21
Anticipated expiration: 2041-07-24
Also published as: CN113414632B

Abstract

The invention provides a device for correcting a central axis of a rod part before turning, and belongs to the technical field of aviation equipment manufacturing. The correcting device comprises a fixed tailstock, a horizontal adjusting block, a vertical adjusting block, a locking screw, a locking nut, a connecting rod, a fixed block, a bearing and a spring. The correcting device has simple structure and quick use, saves a large amount of preparation time, is safe and reliable, greatly improves the correction precision, and can freely switch the elastic/rigid correction mode according to actual needs; the problems that the existing correction method is long in consumed time, low in correction efficiency, low in correction precision, completely dependent on operator skill level in operation effect and the like are solved.

Description

Correcting unit of axis before bar part lathe work

Technical Field

The invention belongs to the technical field of aviation equipment manufacturing, and particularly relates to a device for correcting a central axis of a rod part before turning.

Background

In the aviation equipment manufacturing field, the bar of supply of material state all can exist deformation, the nonlinear condition of axis before the lathe work, on the one hand in order to guarantee the size precision, the surface quality of lathe work stick class part, on the other hand in order to prevent that the axle class part that warp appears getting rid of the material condition of endangering operator's personal safety in the turning process, the calibration process of stick class part before the lathe work is indispensable, especially guarantees the straightness accuracy of axis, does not take place the circle when guaranteeing the part to rotate along with the lathe and beats. At present, the existing alignment method in the field of turning is to start a lathe at a low speed after clamping a rod part, firstly observe and measure the jumping condition of the part, find out the highest point and the lowest point of a radial range according to a circle jumping measurement result, then stop equipment, lightly knock the rod part to correct a central axis, and repeat the above actions until the jumping of the part is approximately zero. The correction method completely depends on the skill level of operators, and has the problems of long time consumption, low efficiency, poor effect and the like.

In view of the fact that the existing correction method is long in alignment time consumption, low in safety coefficient and low in alignment efficiency, the alignment effect can still be greatly improved, and the correction process completely depends on the skill level of an operator, the invention provides the correction device for the central axis of the rod part before turning.

Disclosure of Invention

In order to solve the problems, the invention provides a correcting device for the central axis of a rod part before turning, which can be arranged on a tool rest of a machine tool according to actual needs, and solves the problems of long time consumption, low efficiency, low processing precision, high rejection rate and the like of the existing correcting method.

The technical scheme of the invention is as follows:

the utility model provides a correcting unit of axis before rod part lathe work, includes fixed tailstock 1, horizontal adjusting block 2, perpendicular adjusting block 3, locking screw 4, lock nut 5, connecting rod 6, fixed block 7, bearing 8 and spring 9.

The bottom of the fixed block 7 is connected with the connecting rod 6 through threads, the inner rings of the two bearings 8 are respectively arranged on the bosses at the two sides of the fixed block 7, and the outer rings of the bearings 8 can freely rotate. The middle section of the connecting rod 6 is provided with a square convex block, and a spring 9 is sleeved below the square convex block.

Perpendicular regulating block 3 is the body structure that cylinder and rectangle structure constitute, and the center processing of its cylinder structure has the square blind hole 13 with connecting rod 6 top shape lug matched with, and in connecting rod 6 inserted the square blind hole 13 of perpendicular regulating block 3, lock nut 5 passed through threaded connection with the cylinder structure of perpendicular regulating block 3, relies on the flexible volume of spring 9 to realize connecting rod 6 locking or along axial concertina movement according to actual need. The end part of the rectangular structure of the vertical adjusting block 3 is provided with a T-shaped groove matched with the horizontal adjusting block 2.

Two ends of the horizontal adjusting block 2 are respectively provided with a T-shaped convex block 10 in the horizontal direction and a T-shaped convex block 10 in the vertical direction; each T-shaped projection 10 is provided with a threaded hole 11. The T-shaped groove in the vertical adjusting block 3 slides on the horizontal adjusting block 2 to realize adjustment in the vertical direction, and when the optimal position is adjusted, the vertical adjusting block 3 and the horizontal adjusting block 2 are connected in a locking mode through the locking screw 4.

T-shaped grooves 12 are processed on the fixed tailstock 1, the T-shaped grooves 12 are in sliding fit with the T-shaped bumps 10 for use, adjustment in the horizontal direction is achieved, and when the optimal position is adjusted, the fixed tailstock 1 and the horizontal adjusting block 2 are connected in a locking mode through the locking screws 4.

The working principle is as follows: firstly, one end of a fixed tailstock 1 of the correcting device is fixed on a tool rest of a machine tool, and the central height of the correcting device is roughly adjusted; after the lathe is started, a bar rotates along with the equipment, the correcting device is close to the bar along with a tool rest of the lathe, the device is finely adjusted to a proper position in the vertical and horizontal directions, the tool rest is slowly moved, a bearing part of the correcting device contacts with raw materials and rotates along with a product, the bar is rapidly subjected to plastic deformation by virtue of extrusion force in the horizontal direction and concentric rotary extrusion force along with the product, the central axis of the bar is corrected, the position of the correcting device is not adjusted in the turning process, and further the straightness of the central axis of the whole bar part can be ensured.

The invention has the beneficial effects that:

(1) the correcting device provided by the invention has the advantages of simple structure, quickness in use, capability of saving a large amount of preparation time and capability of solving the problems of longer time consumption and low correcting efficiency of the conventional correcting method.

(2) The device has the advantages that the correction precision is greatly improved, the device ensures that the elastic/rigid correction mode can be freely switched according to actual needs; the problems that the existing correction method is low in correction precision and the operation effect completely depends on the skill level of an operator are solved.

(3) The correction method of the correction device is safe and reliable.

Drawings

FIG. 1 is a structural component diagram of the present invention.

Fig. 2 is a partial exploded view.

Fig. 3 is a schematic view of the installation of the horizontal adjusting block and the fixed tailstock.

Fig. 4 is a schematic view of the installation of the vertical adjusting block and the horizontal adjusting block.

FIG. 5 is a schematic view of the assembly of the vertical adjustment block with the connecting rod and the lock nut.

Fig. 6 is an exploded view of the structure of the correction device.

Fig. 7 is a schematic view of the calibration device.

In the figure: 1 fixing a tailstock; 2, a horizontal adjusting block; 3, vertically adjusting the block; 4 locking the screw; 5 locking the nut; 6 connecting rods; 7, fixing blocks; 8, a bearing; 9, a spring; a 10T-shaped bump; 11 a threaded hole; 12T-shaped grooves; 13 square blind hole.

Detailed Description

The following examples and drawings are included to further illustrate the embodiments of the present invention and are not intended to limit the invention thereto.

As shown in fig. 1, a device for correcting a front central axis of a turning process of a rod-like part comprises a fixed tailstock 1, a horizontal adjusting block 2, a vertical adjusting block 3, a locking screw 4, a locking nut 5, a connecting rod 6, a fixed block 7, a bearing 8 and a spring 9.

Referring to fig. 1, the bottom of the fixing block 7 is connected with the connecting rod 6 through threads, inner rings of the two bearings 8 are respectively installed on bosses on two sides of the fixing block 7 and welded, and outer rings of the bearings 8 can freely rotate.

Referring to fig. 2 and 5, a square bump is processed at the middle section of the connecting rod 6, and the spring 9 is installed at the lower part of the connecting rod 6 and below the square bump of the connecting rod 6; the vertical adjusting block 3 is an integral structure formed by a cylinder and a rectangular structure, and a square blind hole 13 matched with a convex block above the connecting rod 6 is processed at the center of the cylinder part. In connecting rod 6 inserted square blind hole 13, the internal thread of lock nut 5 passed through threaded connection with the structural external screw thread of vertical adjusting block 3 cylinder, relied on the flexible volume of spring 9 to lock connecting rod 6 or follow axial concertina movement according to actual need. And a T-shaped groove in the horizontal direction is processed at the end part of the rectangular structure of the vertical adjusting block 3.

Referring to fig. 3, two ends of the horizontal adjusting block 2 are respectively provided with a T-shaped projection 10 in horizontal and vertical directions; the T-shaped projection 10 is provided with a threaded hole 11. The fixed tailstock 1 is provided with a T-shaped groove 12 in the vertical direction, the T-shaped groove 12 is matched with the T-shaped lug 10 in a sliding mode, and when the T-shaped lug is adjusted to the optimal position, the T-shaped lug is screwed into the threaded hole 11 through the locking screw 4 for locking.

Similarly, referring to fig. 4, the vertical adjustment is realized by the sliding of the T-shaped groove on the vertical adjustment block 3 on the horizontal adjustment block 2, and when the adjustment is at the optimal position, the locking screw 4 is screwed into the threaded hole 11 for locking.

Referring to fig. 7, firstly, one end of the fixed tailstock 1 of the correcting device is fixed on a tool rest of a machine tool, and the central height of the device is roughly adjusted; after the lathe is started, a bar rotates along with the equipment, the correcting device is close to the bar along with a tool rest of the lathe, the device is finely adjusted to a proper position in the vertical and horizontal directions, the tool rest is slowly moved, a bearing part of the correcting device contacts with raw materials and rotates along with a product, the bar is rapidly subjected to plastic deformation by virtue of extrusion force in the horizontal direction and concentric rotary extrusion force along with the product, the central axis of the bar is corrected, the position of the correcting device is not adjusted in the turning process, and further the straightness of the central axis of the whole bar part can be ensured.

Claims

1. A correcting device for a front axle wire of turning rod parts is characterized by comprising a fixed tailstock (1), a horizontal adjusting block (2), a vertical adjusting block (3), a locking nut (5), a connecting rod (6), a fixed block (7), a bearing (8) and a spring (9);

the bosses on the two sides of the fixed block (7) are respectively provided with a bearing (8), and the bottom of the fixed block (7) is connected with the connecting rod (6); a square bump is processed at the middle section of the connecting rod (6), and a spring (9) is sleeved below the square bump;

the vertical adjusting block (3) is an integrated structure formed by a cylindrical structure and a rectangular structure, a square blind hole (13) matched with a convex block formed above the connecting rod (6) is processed at the center of the cylindrical structure, the connecting rod (6) is inserted into the square blind hole (13) of the vertical adjusting block (3), and the locking nut (5) is connected with the cylindrical structure of the vertical adjusting block (3) through threads; a T-shaped groove matched with the horizontal adjusting block (2) is processed at the end part of the rectangular structure of the vertical adjusting block (3);

two ends of the horizontal adjusting block (2) are respectively provided with a T-shaped lug (10) in the horizontal direction and a T-shaped lug (10) in the vertical direction; the T-shaped groove on the vertical adjusting block (3) slides on the horizontal adjusting block (2) to realize adjustment in the vertical direction, and when the vertical adjusting block (3) is adjusted to the optimal position, the vertical adjusting block (3) is connected with the horizontal adjusting block (2) in a locking manner;

the T-shaped groove (12) in sliding fit with the T-shaped bump (10) is processed on the fixed tailstock (1), adjustment in the horizontal direction is achieved, and when the fixed tailstock (1) is adjusted to the optimal position, the fixed tailstock (1) and the horizontal adjusting block (2) are connected in a locking mode.

2. The device for correcting the front central axis of the turning of the rod-like part according to claim 1, wherein threaded holes (11) are formed in the T-shaped convex blocks (10) at the two ends of the horizontal adjusting block (2), and the locking screws (4) are screwed into the threaded holes (11) to lock and connect the two ends of the horizontal adjusting block (2) with the vertical adjusting block (3) and the fixed tailstock (1) respectively.