CN210937162U

CN210937162U - Stable supporting structure for numerical control machine tool

Info

Publication number: CN210937162U
Application number: CN201922045436.3U
Authority: CN
Inventors: 刘�东; 房莺; 朱永亮
Original assignee: Suzhou Huayi Cnc Equipment Co ltd
Current assignee: Suzhou Huayi Cnc Equipment Co ltd
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2020-07-07
Anticipated expiration: 2029-11-25

Abstract

The utility model discloses a stable bearing structure that digit control machine tool was used, including tailstock, connecting axle and main thimble, the left end of tailstock and the right-hand member fixed connection of connecting axle, the left end of connecting axle and the right-hand member fixed connection of main thimble, circular through-hole has been seted up on the surface of main thimble, and the quantity of circular through-hole is four, four the equal swing joint of inner wall of circular through-hole has supplementary thimble, four the right-hand member of supplementary thimble all with the left side fixed connection of braking sliding ring, the inner wall of braking sliding ring and the surface movable connection of connecting axle, two sets of locating holes have been seted up respectively on the surface of connecting axle, the square groove has been seted up on the surface of braking sliding ring, and the quantity of square groove is two. The utility model discloses a set up connecting axle, main thimble, supplementary thimble and braking sliding ring, when the part of having solved processing is longer heavier, the deviation takes place very easily with the conflict of the thimble single-point of tailstock, reduces the problem of the machining accuracy of part.

Description

Stable supporting structure for numerical control machine tool

Technical Field

The utility model relates to a digit control machine tool technical field specifically is a stable bearing structure that digit control machine tool was used.

Background

The numerical control machine tool is an automatic machine tool provided with a program control system, can move and machine parts according to a programmed program, can better solve the problem of machining of complex, precise, small-batch and various parts compared with the traditional machine tool, is a flexible and high-efficiency automatic machine tool, and is very important for stably supporting the parts to be machined in order to reduce errors generated during part machining.

Among the prior art, the staff often fixes part one end on the headstock chuck, and the other end directly supports on the tailstock thimble, and when the part of processing was longer heavier, the deviation took place very easily with the thimble single-point conflict of tailstock, reduces the machining accuracy of part.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a stable bearing structure that digit control machine tool was used possesses the advantage that the multiple spot was contradicted and is supported to when the part of solving processing is longer heavier, the deviation takes place very easily with the conflict of the thimble single-point of tailstock, reduces the machining accuracy's of part problem.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a stable supporting structure for a numerical control machine tool comprises a tailstock, a connecting shaft and a main thimble, wherein the left end of the tailstock is fixedly connected with the right end of the connecting shaft, the left end of the connecting shaft is fixedly connected with the right end of the main thimble, the surface of the main thimble is provided with four circular through holes, the inner walls of the four circular through holes are movably connected with auxiliary thimbles, the right ends of the four auxiliary thimbles are fixedly connected with the left side of a braking sliding ring, the inner wall of the braking sliding ring is movably connected with the surface of the connecting shaft, the surface of the connecting shaft is respectively provided with two groups of positioning holes, the surface of the braking sliding ring is provided with two square grooves, the inner walls of the two square grooves are fixedly connected with gear shafts, the surfaces of the two gear shafts are movably sleeved with gears, and the inner walls of the square grooves are fixedly connected with first fixing plates, one side that first fixed plate is close to the connecting axle and the one end fixed connection of spring, the other end fixedly connected with locating lever of spring, the one end that the locating lever is close to the connecting axle and the inner wall swing joint of locating hole, the locating lever is close to one side of gear and has seted up first tooth's socket, first tooth's socket and gear engagement, the inner wall swing joint of square groove has the inserted bar, the inserted bar is close to the surface of gear and has seted up the second tooth's socket, second tooth's socket and gear engagement.

As a preferred technical scheme of the utility model, one side that the gear was kept away from to the locating lever has been seted up first spacing groove, the first spacing lug of inner wall fixedly connected with of square groove, the surface of first spacing lug and the inner wall swing joint of first spacing groove.

As a preferred technical scheme of the utility model, the inserted bar is kept away from one side of gear and is seted up the second spacing groove, the spacing lug of inner wall fixedly connected with second of square groove, the surface of the spacing lug of second and the inner wall swing joint of second spacing groove.

As an optimized technical scheme of the utility model, the one end that the locating lever is close to the connecting axle is hemispherical.

As a preferred technical scheme of the utility model, the inner wall fixedly connected with second fixed plate of square groove, one side and reset spring's one end fixed connection of connecting axle are kept away from to the second fixed plate, reset spring's the other end and inserted bar are close to the one end fixed connection of connecting axle.

(III) advantageous effects

Compared with the prior art, the utility model provides a stable bearing structure that digit control machine tool was used possesses following beneficial effect:

the stable supporting structure for the numerical control machine tool is characterized in that the stable supporting structure is provided with a connecting shaft, a main thimble, an auxiliary thimble and a braking slip ring, the braking slip ring is held by a hand, two inserting rods are pressed by fingers, the inserting rods move towards the direction close to the connecting shaft to drive a gear to rotate, the gear rotates to drive a positioning rod to move towards the direction far away from the connecting shaft, the positioning rod is separated from the positioning hole and moves the braking slip ring leftwards, when the left side of the braking slip ring is contacted with the right side of the main thimble, the fingers are released, the positioning rod is inserted into the positioning hole close to the main thimble, the tops of the main thimble and the auxiliary thimble are positioned on the same vertical surface, a main shaft hand wheel of the numerical control lathe is rotated to enable the main thimble and the auxiliary thimble to simultaneously prop against the other end of a part, the conversion from single-, make the part support more stable, the conversion between single-point support and the multiple spot supports in addition makes this stable bearing structure that digit control machine tool was used can be suitable for the part of different specifications, has reached the effect that the multiple spot supported, when having solved the part of processing longer heavier, the deviation takes place very easily with the thimble single-point conflict of tailstock, reduces the problem of the machining accuracy of part.

Drawings

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

FIG. 2 is an enlarged view of the structure A of FIG. 1 according to the present invention;

FIG. 3 is a bottom cross-sectional view of the gear structure of FIG. 1 according to the present invention;

fig. 4 is a left side view of the structure of the present invention.

In the figure: 1. a tailstock; 2. a connecting shaft; 3. a main thimble; 4. an auxiliary thimble; 5. a circular through hole; 6. positioning holes; 7. positioning a rod; 8. a first limit groove; 9. a first limit bump; 10. a brake slip ring; 11. a spring; 12. a first fixing plate; 13. inserting a rod; 14. a gear; 15. a gear shaft; 16. a return spring; 17. a first tooth slot; 18. a second fixing plate; 19. a square groove; 20. a second tooth slot; 21. a second limit groove; 22. and a second limit bump.

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.

Referring to fig. 1-4, a stable supporting structure for a numerical control machine tool comprises a tailstock 1, a connecting shaft 2 and a main thimble 3, wherein the left end of the tailstock 1 is fixedly connected with the right end of the connecting shaft 2, the left end of the connecting shaft 2 is fixedly connected with the right end of the main thimble 3, the surface of the main thimble 3 is provided with four circular through holes 5, the inner walls of the four circular through holes 5 are movably connected with auxiliary thimbles 4, the right ends of the four auxiliary thimbles 4 are fixedly connected with the left side of a brake slip ring 10, the inner wall of the brake slip ring 10 is movably connected with the surface of the connecting shaft 2, the surface of the connecting shaft 2 is respectively provided with two groups of positioning holes 6, the positioning holes 6 are vertically corresponding, the tailstock close to the tailstock 1 is a first group, the tailstock close to the tailstock 1 is a second group, the surface of the brake slip ring 10 is provided with square grooves 19, the number of the square grooves 19 is two, the inner walls of, gear 14 is cup jointed in the equal activity in surface of two gear shafts 15, the first fixed plate 12 of inner wall fixedly connected with of square groove 19, one side that first fixed plate 12 is close to connecting axle 2 and the one end fixed connection of spring 11, the other end fixedly connected with locating lever 7 of spring 11, the one end that locating lever 7 is close to connecting axle 2 and the inner wall swing joint of locating hole 6, first tooth's socket 17 has been seted up to one side that locating lever 7 is close to gear 14, first tooth's socket 17 and gear 14 meshing, the inner wall swing joint of square groove 19 has inserted bar 13, second tooth's socket 20 has been seted up on the surface that inserted bar 13 is close to gear 14, second tooth's socket 20 and.

Specifically, a first limit groove 8 is formed in one side, away from the gear 14, of the positioning rod 7, a first limit bump 9 is fixedly connected to the inner wall of the square groove 19, and the surface of the first limit bump 9 is movably connected with the inner wall of the first limit groove 8.

In this embodiment, first spacing groove 8 and first spacing lug 9 can lead locating lever 7, make locating lever 7 motion more stable.

Specifically, a second limiting groove 21 is formed in one side, away from the gear 14, of the insertion rod 13, a second limiting bump 22 is fixedly connected to the inner wall of the square groove 19, and the surface of the second limiting bump 22 is movably connected with the inner wall of the second limiting groove 21.

In this embodiment, the second limiting groove 21 and the second limiting protrusion 22 can guide the insertion rod 13, so that the insertion rod 13 moves more stably.

Specifically, one end of each positioning rod 7 close to the connecting shaft 2 is hemispherical.

In this embodiment, the hemispherical design can make the positioning rod 7 more convenient to insert into the positioning hole 6.

Specifically, the inner wall of the square groove 19 is fixedly connected with a second fixing plate 18, one side of the second fixing plate 18, which is far away from the connecting shaft 2, is fixedly connected with one end of a return spring 16, and the other end of the return spring 16 is fixedly connected with one end of the inserted link 13, which is close to the connecting shaft 2.

In this embodiment, the return spring 16 can preferably return the plunger 13.

The utility model discloses a theory of operation and use flow: when the brake device is used, the brake slip ring 10 is held by a hand, the inserted rod 13 is pressed by fingers, so that the inserted rod 13 extrudes the reset spring 16, at the moment, the inserted rod 13 moves towards the direction close to the connecting shaft 2 on the second limit lug 22 through the second limit groove 21, at the moment, the inserted rod 13 drives the gear 14 to do clockwise motion through the second tooth groove 20, as the gear 14 is meshed with the first tooth groove 17 on the positioning rod 7, the gear 14 moves clockwise, the positioning rod 7 moves towards the direction far away from the connecting shaft 2 along the first limit lug 9 through the first limit groove 8, the positioning rod 7 extrudes the spring 11, one end of the positioning rod 7 close to the connecting shaft 2 is separated from the positioning hole 6, at the moment, the brake slip ring 10 is moved towards the main thimble 3, after the positioning rod 7 leaves the position right above the positioning hole 6, the fingers pressing the inserted rod 13 are released, the reset spring 16 resets, at this time, the gear 14 rotates counterclockwise, the positioning rod 7 moves toward the direction close to the connecting shaft 2 under the action of two forces of the spring 11, the reset spring 16 and the counterclockwise rotation of the gear 14, at this time, one end of the positioning rod 7 close to the connecting shaft 2 just abuts against the surface of the connecting shaft 2, and continues to move toward the direction close to the main thimble 3, because the spring 11 and the reset spring 16 do not completely reset, when moving to the positioning hole 6 close to the main thimble 3, under the action force generated by the reset of the spring 11 and the reset spring 16, the positioning rod 7 is inserted into the positioning hole 6 to complete the movement and the fixation, at this time, the leftmost ends of the main thimble 3 and the auxiliary thimble 4 are located on the same plane, the conversion from single-point support to multi-point support is realized, otherwise, the brake slip ring 10 is held by hand, the inserted rod 13 is pressed by fingers, the inserted rod 13 extrudes the reset spring 16, at this time, at this time, the inserting rod 13 drives the gear 14 to move clockwise through the second tooth groove 20, because the gear 14 is meshed with the first tooth groove 17 on the positioning rod 7, the gear 14 moves clockwise, the positioning rod 7 moves towards the direction far away from the connecting shaft 2 along the first limiting lug 9 through the first limiting groove 8, the spring 11 is extruded by the positioning rod 7, one end of the positioning rod 7 close to the connecting shaft 2 is separated from the positioning hole 6, the brake slip ring 10 is moved towards the direction far away from the main thimble 3 at this time, after the positioning rod 7 leaves right above the positioning hole 6, the finger pressing the inserting rod 13 is released, the return spring 16 resets to drive the inserting rod 13 to move towards the direction far away from the connecting shaft 2, at this time, the gear 14 rotates anticlockwise, the positioning rod 7 moves towards the direction close to the connecting shaft 2 under the action of two forces of the spring 11, the return spring 16 and the gear 14 rotating anticlockwise, and, and the main thimble 3 and the auxiliary thimble 4 move in the direction far away from the main thimble 3 continuously, and because the spring 11 and the return spring 16 are not completely reset, when the main thimble moves to the positioning hole 6 far away from the main thimble 3, the positioning rod 7 is inserted into the positioning hole 6 to complete the movement and the fixation under the acting force generated by the spring 11 and the return spring 16, and at the moment, the leftmost ends of the main thimble 3 and the auxiliary thimble 4 are not in the same plane, so that the conversion from multi-point support to single-point support is realized.

To sum up, this stable bearing structure that digit control machine tool was used through setting up connecting axle 2, main thimble 3, supplementary thimble 4 and braking sliding ring 10, has solved the longer time heavier of part of processing, and the deviation takes place very easily in the part conflicts with the thimble single-point of tailstock 1, reduces the problem of the machining accuracy of part.

It should be noted that, in this document, terms such as "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 an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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. The utility model provides a stable bearing structure that digit control machine tool was used, includes tailstock (1), connecting axle (2) and main thimble (3), its characterized in that: the left end of the tailstock (1) is fixedly connected with the right end of a connecting shaft (2), the left end of the connecting shaft (2) is fixedly connected with the right end of a main thimble (3), the surface of the main thimble (3) is provided with four circular through holes (5), the inner walls of the four circular through holes (5) are movably connected with auxiliary thimbles (4), the right ends of the four auxiliary thimbles (4) are fixedly connected with the left side of a braking slip ring (10), the inner wall of the braking slip ring (10) is movably connected with the surface of the connecting shaft (2), the surface of the connecting shaft (2) is respectively provided with two groups of positioning holes (6), the surface of the braking slip ring (10) is provided with square grooves (19), the number of the square grooves (19) is two, and the inner walls of the two square grooves (19) are fixedly connected with a gear shaft (15), two gear (14) is cup jointed in the equal activity in surface of gear shaft (15), the first fixed plate (12) of inner wall fixedly connected with of square groove (19), one side that first fixed plate (12) are close to connecting axle (2) and the one end fixed connection of spring (11), the other end fixedly connected with locating lever (7) of spring (11), the one end that locating lever (7) are close to connecting axle (2) and the inner wall swing joint of locating hole (6), first tooth's socket (17) have been seted up to one side that locating lever (7) are close to gear (14), first tooth's socket (17) and gear (14) meshing, the inner wall swing joint of square groove (19) has inserted bar (13), second tooth's socket (20) have been seted up on the surface that inserted bar (13) are close to gear (14), second tooth's socket (20) and gear (14) meshing.

2. The stable supporting structure for numerical control machine tool according to claim 1, characterized in that: a first limiting groove (8) is formed in one side, away from the gear (14), of the positioning rod (7), a first limiting lug (9) is fixedly connected to the inner wall of the square groove (19), and the surface of the first limiting lug (9) is movably connected with the inner wall of the first limiting groove (8).

3. The stable supporting structure for numerical control machine tool according to claim 1, characterized in that: a second limiting groove (21) is formed in one side, away from the gear (14), of the inserting rod (13), a second limiting convex block (22) is fixedly connected to the inner wall of the square groove (19), and the surface of the second limiting convex block (22) is movably connected with the inner wall of the second limiting groove (21).

4. The stable supporting structure for numerical control machine tool according to claim 1, characterized in that: one end of the positioning rod (7) close to the connecting shaft (2) is hemispherical.

5. The stable supporting structure for numerical control machine tool according to claim 1, characterized in that: the inner wall fixedly connected with second fixed plate (18) of square groove (19), one side that connecting axle (2) were kept away from in second fixed plate (18) and the one end fixed connection of reset spring (16), the one end fixed connection that the other end and inserted bar (13) of reset spring (16) are close to connecting axle (2).