CN215487490U

CN215487490U - Adjustable lead screw bracket for ball screw

Info

Publication number: CN215487490U
Application number: CN202121974048.4U
Authority: CN
Inventors: 朱小瑞; 栾翠兰; 夏晓霞
Original assignee: Suzhou Youdi Precision Equipment Co ltd
Current assignee: Suzhou Youdi Precision Equipment Co ltd
Priority date: 2021-08-20
Filing date: 2021-08-20
Publication date: 2022-01-11
Anticipated expiration: 2031-08-20

Abstract

The utility model discloses an adjustable lead screw bracket for a ball lead screw, which comprises a base, a lead screw, a connecting block and a hollow sleeve, wherein the base is hollow, a side plate is fixedly connected to the upper surface of the base, a threaded rod is movably inserted in the left side surface of the base, a plurality of nut seats are in threaded connection with the outer surface of the threaded rod, a sleeve is movably inserted in the upper surface of the base, a connecting rod is hinged between each nut seat and the corresponding sleeve, a T-shaped rod is movably inserted in the upper surface of the sleeve, the device is convenient to mount the lead screw by arranging a series of structures, an arc-shaped supporting plate is arranged, when a rotary table is rotated to drive the threaded rod to rotate, the nut seats and the connecting rod are matched to drive the sleeve to move upwards so as to drive the arc-shaped supporting plate to move upwards until the lead screw is supported, and the arc-shaped supporting plate is matched by a spring, make the arc layer board contact with the lead screw all the time, and then make the bearing effect better.

Description

Adjustable lead screw bracket for ball screw

Technical Field

The utility model relates to the technical field of ball screws, in particular to an adjustable screw bracket for a ball screw.

Background

The ball screw is an ideal product for converting rotary motion into linear motion or converting linear motion into rotary motion, is the most commonly used transmission element on tool machinery and precision machinery, has the main function of converting rotary motion into linear motion or converting torque into axial repeated acting force, and has the characteristics of high precision, reversibility and high efficiency. Ball screws are widely used in various industrial equipments and precision instruments due to their small frictional resistance. The ball screw consists of a screw rod, a nut, a steel ball, a preforming piece, a reverser and a dust remover.

Because present partial ball screw length overlength can take place flagging or crooked phenomenon under lead screw self gravity, has increased the running load, has reduced life, so ball need use the lead screw bracket to support when using, because present lead screw bracket structure is complicated, and the installation is loaded down with trivial details, has increased operating personnel's work load, so the problem that the aforesaid appears is solved to the urgent need for an adjustable lead screw bracket for ball screw.

SUMMERY OF THE UTILITY MODEL

It is an object of the present invention to provide an adjustable lead screw bracket for a ball screw that solves the problems set forth in the background above.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an adjustable lead screw bracket for ball screw, includes base, lead screw, connecting block and hollow cover, the inside cavity of base, the last fixed surface of base is connected with the curb plate, the left surface activity alternate threaded rod of base, the surface threaded connection of threaded rod has a plurality of nut seats, the upper surface activity alternate of base has the sleeve, the nut seat with it has the connecting rod to articulate between the sleeve, telescopic upper surface activity alternate has T type pole.

Preferably, the center of the right side surface of the connecting block is fixedly connected with a threaded shaft, the center of the left side surface of the screw rod is provided with a threaded hole, and the threaded shaft is in threaded connection with the threaded hole.

Preferably, a cross-shaped slot is formed in the right side face of the side plate, and four insertion rods are fixedly connected to the outer surface of the hollow sleeve.

Preferably, the outer surface of the connecting block is provided with an annular groove, the inner wall of the hollow sleeve is fixedly connected with sliding blocks, the sliding blocks are arranged at equal intervals, and the sliding blocks are in sliding connection with the annular groove.

Preferably, the left end of the threaded rod extends to the outer surface of the base, and the left end of the threaded rod is fixedly connected with the rotary table.

Preferably, the top end of the T-shaped rod is fixedly connected with an arc-shaped supporting plate, and a spring is fixedly connected between the T-shaped rod and the sleeve.

Preferably, the upper surface of the base is fixedly connected with a limiting cylinder, the two side walls of the limiting cylinder are provided with limiting grooves, the two side surfaces of the sleeve are fixedly connected with limiting blocks, and the limiting blocks are in sliding connection with the limiting grooves.

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

1. the screw rod connecting device is simple in structure, the hollow sleeve can be inserted into the right side of the side plate through the matching of the cross-shaped slot and the insertion rod, the hollow sleeve is matched with the annular groove through the sliding block after being fixed, the connecting block can be conveniently rotated after the hollow sleeve is fixed, the screw rod is contacted with the connecting block through the matching of the threaded shaft and the threaded hole, and the screw rod can be conveniently installed;

2. according to the screw rod bearing device, the arc-shaped supporting plate is arranged, when the rotary table is rotated to drive the threaded rod to rotate, the nut seat and the connecting rod are matched to drive the sleeve to move upwards, so that the arc-shaped supporting plate can be driven to move upwards until the screw rod is supported, the arc-shaped supporting plate is always in contact with the screw rod through the matching of the spring, and the supporting effect is better.

Drawings

FIG. 1 is a schematic view of the structure of the present invention.

Fig. 2 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.

FIG. 3 is a schematic view of the right structure of the connection of the side plate and the hollow sleeve of the present invention.

Fig. 4 is a schematic perspective view of the connecting block of the present invention.

In the figure: 1. a base; 2. a screw rod; 3. connecting blocks; 4. a hollow sleeve; 5. a threaded shaft; 6. a threaded hole; 7. a side plate; 8. a cross-shaped slot; 9. inserting a rod; 10. a slider; 11. an annular groove; 12. a threaded rod; 13. a turntable; 14. a nut seat; 15. a sleeve; 16. a connecting rod; 17. a T-shaped rod; 18. a spring; 19. a limiting cylinder; 20. a limiting groove; 21. a limiting block; 22. an arc-shaped supporting plate.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, an embodiment of the present invention is shown: the utility model provides an adjustable lead screw bracket for ball screw, includes base 1, lead screw 2, connecting block 3 and hollow cover 4, base 1's inside cavity, base 1's last fixed surface is connected with curb plate 7, base 1's left surface activity interlude threaded rod 12, the surface threaded connection of threaded rod 12 has a plurality of nut seats 14, base 1's upper surface activity interlude has sleeve 15, it has connecting rod 16 to articulate between nut seat 14 and the sleeve 15, sleeve 15's upper surface activity interlude has T type pole 17.

Specifically, as shown in fig. 1 to 4, a threaded shaft 5 is fixedly connected to the center of the right side surface of the connecting block 3, a threaded hole 6 is formed in the center of the left side surface of the screw rod 2, the threaded shaft 5 is in threaded connection with the threaded hole 6, and the connecting block 3 can be connected with the screw rod 2 by matching the threaded shaft 5 with the threaded hole 6.

Specifically, as shown in fig. 1-4, a cross slot 8 is formed in the right side surface of the side plate 7, four insertion rods 9 are fixedly connected to the outer surface of the hollow sleeve 4, and the cross slot 8 is matched with the insertion rods 9, so that the hollow sleeve 4 can be stably connected with the side plate 7, the hollow sleeve 4 is fixed, and the lead screw 2 can be conveniently installed.

Specifically, as shown in fig. 1-4, an annular groove 11 is formed in the outer surface of the connecting block 3, a sliding block 10 is fixedly connected to the inner wall of the hollow sleeve 4, the screw rod is arranged at equal intervals, the sliding block 10 is in sliding connection with the annular groove 11, the sliding block 10 is matched with the annular groove 11, and the screw rod 2 is convenient to rotate after the connecting block 3 is installed.

Specifically, as shown in fig. 1 to 4, the left end of the threaded rod 12 extends to the outer surface of the base 1, the left end of the threaded rod 12 is fixedly connected with the rotary table 13, and the threaded rod 12 can be conveniently rotated by rotating the rotary table 13.

Specifically, as shown in fig. 1 to 4, the top end of the T-shaped rod 17 is fixedly connected with an arc-shaped supporting plate 22, and the spring 18 is fixedly connected between the T-shaped rod 17 and the sleeve 15, so that the T-shaped rod 17 can be driven to move upwards through the elastic action of the spring 18, and then the arc-shaped supporting plate 22 can be driven to move upwards until contacting with the screw rod 2, so as to support the screw rod 2.

Specifically, as shown in fig. 1-4, the upper surface of the base 1 is fixedly connected with a limiting cylinder 19, two side walls of the limiting cylinder 19 are provided with limiting grooves 20, two side surfaces of the sleeve 15 are fixedly connected with limiting blocks 21, and the limiting blocks 21 are slidably connected with the limiting grooves 20 to play a limiting role, so that the sleeve 15 can stably slide up and down.

The working principle is as follows: when the screw rod bearing device is used, the safety of the device is checked firstly, a threaded hole 6 at the left end of a screw rod 2 to be installed is in threaded connection with a threaded shaft 5 at the right end of a connecting block 3, so that the connecting block 3 is stably connected to the left end of the screw rod 2, at the moment, the connecting block 3 is matched with an inserting rod 9 through a cross-shaped slot 8, a hollow sleeve 4 is inserted into the cross-shaped slot 8, after the hollow sleeve 4 is fixed, the fixed screw rod 2 can be conveniently rotated through the matching of a sliding block 10 and an annular slot 11, so that the screw rod 2 can work, after the screw rod 2 is installed, when the screw rod 2 needs to be supported, a rotary table 13 is rotated to drive a threaded rod 12 to rotate, so that a nut seat 14 can be driven to move rightwards, a sleeve 15 is driven to move upwards through a connecting rod 16, and further the T-shaped rod 17 and an arc-shaped supporting plate 22 can be driven to move upwards, the arc-shaped supporting plate 22 can be stably contacted with the screw rod 2 through the elastic action of the spring 18, so that the screw rod 2 is always in a supported state.

The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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.

Claims

1. The utility model provides an adjustable lead screw bracket for ball screw, includes base (1), lead screw (2), connecting block (3) and hollow cover (4), the inside cavity of base (1), its characterized in that: the upper surface fixed connection of base (1) has curb plate (7), threaded rod (12) have been alternate in the left surface activity of base (1), the surface threaded connection of threaded rod (12) has a plurality of nut seats (14), sleeve (15) have been alternate in the upper surface activity of base (1), nut seat (14) with it has connecting rod (16) to articulate between sleeve (15), T type pole (17) have been alternate in the upper surface activity of sleeve (15).

2. An adjustable lead screw carriage for a ball screw as set forth in claim 1 wherein: fixedly connected with threaded shaft (5) is located at the right flank center of connecting block (3), threaded hole (6) are seted up to the left flank center department of lead screw (2), threaded shaft (5) with threaded hole (6) threaded connection.

3. An adjustable lead screw carriage for a ball screw as set forth in claim 1 wherein: cross slot (8) have been seted up to the right flank of curb plate (7), the surface fixed connection of hollow cover (4) has four inserted bars (9).

4. An adjustable lead screw carriage for a ball screw as set forth in claim 1 wherein: annular groove (11) have been seted up to the surface of connecting block (3), the inner wall fixedly connected with lead screw of hollow cover (4) equidistant slider (10) that sets up, slider (10) with annular groove (11) sliding connection.

5. An adjustable lead screw carriage for a ball screw as set forth in claim 1 wherein: the left end of threaded rod (12) extends to the surface of base (1), the left end fixedly connected with carousel (13) of threaded rod (12).

6. An adjustable lead screw carriage for a ball screw as set forth in claim 1 wherein: the top end of the T-shaped rod (17) is fixedly connected with an arc-shaped supporting plate (22), and a spring (18) is fixedly connected between the T-shaped rod (17) and the sleeve (15).

7. An adjustable lead screw carriage for a ball screw as set forth in claim 1 wherein: the upper surface fixed connection of base (1) has a spacing section of thick bamboo (19), spacing groove (20) have been seted up to the both sides wall of a spacing section of thick bamboo (19), the equal fixedly connected with stopper (21) of both sides face of sleeve (15), stopper (21) with spacing groove (20) sliding connection.