CN221911717U - A leveling mechanism for machine tool screw assembly - Google Patents

Abstract

The utility model discloses a leveling mechanism for machine tool screw assembly, comprising: a machine tool body, a bearing seat, a positioning assembly, a height adjustment assembly, and an auxiliary clamping assembly; the bearing seat is fixedly connected to the top of the machine tool body, the positioning assembly is located at the top of the machine tool body, the height adjustment assembly is located at the top of the positioning assembly, and the auxiliary clamping assembly is located at the top of the height adjustment assembly. The advantages of the utility model compared with the existing technology are: the utility model can quickly adjust the support and leveling position of the screw rod, improve the leveling accuracy, can clamp and assist in leveling screw rods of various diameters, and improve the applicability of the leveling mechanism.

Description

Leveling mechanism for assembling machine tool screw rod

Technical Field

The utility model relates to the technical field of machine tool assembly, in particular to a leveling mechanism for machine tool screw rod assembly.

Background

In the machine tool, the screw rod plays a role in transmission, and the power of the motor is converted into linear motion from circular motion and acts on the executing element. This lathe is transmitted through the lead screw, however, when the lead screw is assembled, because the lead screw belongs to the superfine long axle, when placing horizontally, can be crooked because the centre sags, traditional lock spiral shell nut can not straighten the lead screw, leads to the lead screw to hardly guarantee higher straightness accuracy and depth of parallelism to influence the feeding precision of lathe.

The utility model discloses a leveling mechanism for assembling a machine tool screw rod, which comprises a machine tool body, wherein a pair of bearing seats are arranged on the machine tool body, a screw rod is arranged between the pair of bearing seats in a penetrating way, a base is arranged at the center of the screw rod on the upper wall of the machine tool body, a positive and negative screw rod is screwed above the base, a U-shaped bracket is screwed above the positive and negative screw rod through threads.

However, the prior art patents suffer from several drawbacks:

(1) The leveling mechanism for assembling the screw rod of the machine tool is not provided with a positioning assembly, cannot be adjusted in a sliding mode, can only perform auxiliary leveling on the fixed central position of the screw rod, cannot perform auxiliary leveling on all positions of the screw rod, and has the leveling accuracy to be improved.

(2) The leveling mechanism for assembling the screw rod of the machine tool is provided with the U-shaped bracket, and an auxiliary clamping assembly is not arranged, so that the U-shaped bracket can only stably clamp the screw rods with fixed diameters and cannot perform auxiliary leveling on the screw rods with different diameters.

Disclosure of utility model

The utility model aims to overcome the technical defects, and provides the leveling mechanism for assembling the machine tool screw rod, which can quickly adjust the supporting leveling position of the screw rod and clamp and assist in leveling the screw rods with various diameters.

In order to solve the problems, the technical scheme of the utility model is as follows: a leveling mechanism for machine tool screw assembly, comprising: the machine tool comprises a machine tool body, a bearing seat, a positioning assembly, a height adjusting assembly and an auxiliary clamping assembly; the bearing frame fixed connection is in the top of lathe body, locating component is located the top of lathe body, high adjusting part is located the top of locating component, supplementary centre gripping subassembly is located the top of high adjusting part.

Further, the top of lathe body is equipped with the slide rail, the top of slide rail is equipped with the locating hole.

Further, the positioning assembly includes:

The sliding base is connected to the inner side of the sliding rail in a sliding way, and a limiting hole is formed in the top end of the sliding base;

the first spring is fixedly connected to the bottom end of the inner side of the limiting hole;

the positioning block is fixedly connected to the top end of the first spring and is in sliding connection with the limiting hole.

Further, the height adjustment assembly includes:

the top end of the sliding base is provided with a first rotary groove, and the adjusting bolt is rotationally connected to the inner side of the first rotary groove;

the first limiting pipe is fixedly connected to the top end of the sliding base;

The clamping base is located above the sliding base, a limiting column is fixedly connected to the top end of the clamping base, the limiting column is in sliding connection with a limiting pipe I, a limiting pipe II is fixedly connected to the bottom end of the clamping base, and the limiting pipe II is in threaded connection with an adjusting bolt.

Further, the auxiliary clamping assembly includes:

The rotating shaft is rotatably connected to the inner side of the second rotating groove, threaded shafts with opposite thread directions are arranged on two sides of the rotating shaft, and a limiting groove is formed in the top end of the clamping base;

The sliding block is connected to the inner side of the limit groove in a sliding manner and is in threaded connection with the threaded shaft;

the second spring is fixedly connected between the sliding block and the limiting groove;

the first supporting rod is fixedly connected to the top end of the clamping base;

the second support rod is rotationally connected to the top end of the sliding block through a connecting shaft;

The third support rod is rotatably connected between the first support rod and the second support rod through a connecting shaft;

the auxiliary roller is rotatably connected between the first support rods and the second support rods.

Compared with the prior art, the utility model has the advantages that:

(1) The leveling mechanism for assembling the screw rod of the machine tool is provided with the positioning assembly, so that the clamping position of the support can be quickly adjusted, auxiliary leveling can be performed on all parts of the screw rod, and the leveling precision is improved.

(2) The leveling mechanism for machine tool screw rod assembly is provided with the auxiliary clamping assembly, so that screws with various diameters can be clamped in an auxiliary mode, and the applicability of the leveling mechanism for machine tool screw rod assembly is improved.

Drawings

Fig. 1 is a perspective view of a leveling mechanism for assembling a screw of a machine tool according to the present utility model.

Fig. 2 is a cross-sectional view of a leveling mechanism for machine tool screw assembly of the present utility model.

Fig. 3 is a second cross-sectional view of a leveling mechanism for machine tool screw assembly according to the present utility model.

Fig. 4 is an enlarged view of a leveling mechanism for machine tool screw assembly of the present utility model.

As shown in the figure: 1. a machine tool body; 2. a bearing seat; 3. a positioning assembly; 4. a height adjustment assembly; 5. an auxiliary clamping assembly; 6. a slide rail; 7. positioning holes; 8. a sliding base; 9. a limiting hole; 10. a first spring; 11. a positioning block; 12. a first rotary groove; 13. an adjusting bolt; 14. a first limiting pipe; 15. clamping a base; 16. a limit column; 17. a limiting pipe II; 18. a second rotary groove; 19. a rotation shaft; 20. a threaded shaft; 21. a slide block; 22. a second spring; 23. a first support rod; 24. a second support rod; 25. a third support rod; 26. and an auxiliary roller.

Detailed Description

Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples are not representative of all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus consistent with some aspects of the disclosure as detailed in the accompanying claims.

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1:

As shown in fig. 1 to 4, a leveling mechanism for assembling a machine tool screw includes: the machine tool comprises a machine tool body 1, a bearing seat 2, a positioning assembly 3, a height adjusting assembly 4 and an auxiliary clamping assembly 5; bearing frame 2 fixed connection is in the top of lathe body 1, and locating component 3 are located the top of lathe body 1, and high adjusting part 4 are located the top of locating component 3, and supplementary centre gripping subassembly 5 are located the top of high adjusting part 4.

The positioning assembly 3 can quickly and accurately adjust the position of the leveling mechanism, the leveling is conveniently carried out on the heights of all parts of the screw rod, the auxiliary clamping assembly 5 can assist in clamping the screw rods with various diameters, and the applicability of the leveling mechanism is improved.

The top of lathe body 1 is equipped with slide rail 6, and the top of slide rail 6 is equipped with locating hole 7, and slide rail 6's inboard has sliding connection's slide base 8, and slide base 8's top is equipped with spacing hole 9, and spacing hole 9's inboard bottom has fixed connection's first 10 of spring, and the top of first 10 of spring has fixed connection's locating piece 11, locating piece 11 and spacing hole 9 sliding connection.

The positioning holes 7 are precisely arranged at equal intervals, the sliding base 8 can slide on the inner side of the sliding rail 6 by pressing the positioning blocks 11, the position of the auxiliary clamping assembly 5 is adjusted, and the leveling is conveniently carried out on all parts of the screw rod.

Example 2:

The scheme of example 1 is further described in conjunction with the specific operation described below:

The inner side of the clamping base 15 is provided with a second rotating groove 18, the inner side of the second rotating groove 18 is provided with a rotating shaft 19 which is in rotating connection, two sides of the rotating shaft 19 are provided with threaded shafts 20 with opposite threaded directions, the top end of the clamping base 15 is provided with a limiting groove, the inner side of the limiting groove is provided with a sliding block 21 which is in sliding connection with the threaded shafts 20, a second spring 22 which is fixedly connected between the sliding block 21 and the limiting groove is provided with a first supporting rod 23 which is fixedly connected, the top end of the sliding block 21 is provided with a second supporting rod 24 which is in rotating connection through a connecting shaft, a third supporting rod 25 which is in rotating connection through the connecting shaft is arranged between the first supporting rod 23 and the second supporting rod 24, and an auxiliary roller 26 which is in rotating connection is arranged between the first supporting rods 23 and the second supporting rod 24.

The second spring 22 pushes the sliding block 21 to slide, the sliding block 21 drives the threaded shaft 20 to rotate, the threaded shaft 20 can ensure equal opposite sliding distances of the sliding block 21, the sliding block 21 drives the second support rod 24 and the third support rod 25 to rotate, and the auxiliary roller 26 clamps screw rods with different diameters.

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

Claims (5)

1. The utility model provides a leveling mechanism for machine tool screw assembly which characterized in that includes: the machine tool comprises a machine tool body (1), a bearing seat (2), a positioning assembly (3), a height adjusting assembly (4) and an auxiliary clamping assembly (5);

The bearing seat (2) is fixedly connected to the top end of the machine tool body (1), the positioning assembly (3) is located at the top end of the machine tool body (1), the height adjusting assembly (4) is located at the top end of the positioning assembly (3), and the auxiliary clamping assembly (5) is located at the top end of the height adjusting assembly (4).

2. The leveling mechanism for assembling a machine tool screw according to claim 1, wherein: the top of lathe body (1) is equipped with slide rail (6), the top of slide rail (6) is equipped with locating hole (7).

3. The leveling mechanism for assembling a machine tool screw according to claim 2, wherein: the positioning assembly (3) comprises:

the sliding base (8), the sliding base (8) is connected to the inner side of the sliding rail (6) in a sliding way, and a limiting hole (9) is formed in the top end of the sliding base (8);

The first spring (10) is fixedly connected to the bottom end of the inner side of the limiting hole (9);

The positioning block (11), the top of locating block (11) fixed connection in spring one (10), locating block (11) and spacing hole (9) sliding connection.

4. A leveling mechanism for machine tool screw assembly according to claim 3, wherein: the height adjustment assembly (4) comprises:

the top end of the sliding base (8) is provided with a first rotary groove (12), and the adjusting bolt (13) is rotatably connected to the inner side of the first rotary groove (12);

the first limiting pipe (14) is fixedly connected to the top end of the sliding base (8);

Clamping base (15), clamping base (15) are located the top of sliding base (8), the top of clamping base (15) is equipped with fixed connection's spacing post (16), spacing post (16) and spacing pipe one (14) sliding connection, the bottom of clamping base (15) is equipped with fixed connection's spacing pipe two (17), spacing pipe two (17) and adjusting bolt (13) threaded connection.

5. The leveling mechanism for assembling a machine tool screw according to claim 4, wherein: the auxiliary clamping assembly (5) comprises:

The rotary shaft (19), the inboard of centre gripping base (15) is equipped with rotatory groove two (18), rotation axis (19) swivelling joint is in the inboard of rotatory groove two (18), the both sides of rotation axis (19) are equipped with screw thread axle (20) that the screw thread direction is opposite, the top of centre gripping base (15) is equipped with the spacing groove;

The sliding block (21) is connected to the inner side of the limiting groove in a sliding mode, and the sliding block (21) is connected with the threaded shaft (20) in a threaded mode;

The second spring (22) is fixedly connected between the sliding block (21) and the limiting groove;

The first supporting rod (23) is fixedly connected to the top end of the clamping base (15);

The second supporting rod (24) is rotationally connected to the top end of the sliding block (21) through a connecting shaft;

The third supporting rod (25) is rotationally connected between the first supporting rod (23) and the second supporting rod (24) through a connecting shaft;

And the auxiliary roller (26) is rotatably connected between the first support rods (23) and the second support rods (24).