CN215110359U

CN215110359U - Screw rod supporting device of rotary nut

Info

Publication number: CN215110359U
Application number: CN202121317810.1U
Authority: CN
Inventors: 沈小林; 沈力
Original assignee: Jiangsu Dongliang Automation Equipment Co ltd
Current assignee: Jiangsu Dongliang Automation Equipment Co ltd
Priority date: 2021-06-15
Filing date: 2021-06-15
Publication date: 2021-12-10
Anticipated expiration: 2031-06-15

Abstract

The utility model discloses a screw rod strutting arrangement of swivel nut, comprising a base plate, the inside sliding connection of bottom plate has the guiding axle, the last fixed surface of guiding axle is connected with the fixed plate, the last fixed surface of fixed plate is connected with the support frame, the inside of support frame is rotated and is connected with first pivot, the side surface fixedly connected with supporting wheel of first pivot, the side surface of supporting wheel is provided with first lead screw, the lower fixed surface of fixed plate is connected with the second lead screw, the upper surface of bottom plate is rotated and is connected with the connecting seat, the first conical gear of last fixed surface of connecting seat is connected with. The utility model discloses, through being provided with supporting wheel and support frame, can support first lead screw through the supporting wheel, the threaded connection through supporting wheel and first lead screw has avoided the wearing and tearing of supporting wheel to the lead screw, makes more closely that the supporting wheel is connected with first lead screw.

Description

Screw rod supporting device of rotary nut

Technical Field

The utility model relates to a machining makes the field, especially relates to a screw rod strutting arrangement of swivel nut.

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.

Although the lead screw supporting device for the rotary nut, as disclosed in patent No. CN203650068U, solves the problem that the lead screw may be deflected, the following drawbacks still exist:

1. the threads of the lead screw may wear the threads of the lead screw under long-term friction with the support block.

2. The height of the screw rod can not be adjusted, and the use is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a screw rod supporting device of a rotating nut.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a screw rod supporting device of a rotary nut comprises a bottom plate, wherein a guide shaft is slidably connected inside the bottom plate, a fixing plate is fixedly connected to the upper surface of the guide shaft, a supporting frame is fixedly connected to the upper surface of the fixing plate, a first rotating shaft is rotatably connected inside the supporting frame, a supporting wheel is fixedly connected to the side surface of the first rotating shaft, and a first screw rod is arranged on the side surface of the supporting wheel;

the lower surface of the fixing plate is fixedly connected with a second screw rod, the upper surface of the bottom plate is rotatably connected with a connecting seat, and the upper surface of the connecting seat is fixedly connected with a first bevel gear;

the upper surface of bottom plate just is located the rear side fixedly connected with fixing base of connecting seat, the inside of fixing base rotates and is connected with the second pivot, the one end fixedly connected with second bevel gear of second pivot.

As a further description of the above technical solution:

the inside of bottom plate is provided with the guiding hole, the second lead screw is located the inside of guiding hole.

As a further description of the above technical solution:

the side surface of the supporting wheel is provided with a groove, the first screw rod is located inside the groove, threads are arranged inside the groove, and the first screw rod is in threaded connection with the groove.

As a further description of the above technical solution:

the first bevel gear is in threaded connection with the second screw rod.

As a further description of the above technical solution:

the first bevel gear is in meshed connection with the second bevel gear.

As a further description of the above technical solution:

the number of the guide shafts is two, and the guide shafts are located on two sides of the second screw rod.

As a further description of the above technical solution:

the connecting seat is characterized in that a through hole is formed in the connecting seat, is located right above the guide hole and is the same in size.

As a further description of the above technical solution:

and one end of the second rotating shaft, which is far away from the second bevel gear, is fixedly connected with a handle.

The utility model discloses following beneficial effect has:

1. compared with the prior art, the screw rod supporting device of the rotary nut can support the first screw rod through the supporting wheel and the supporting frame, and the supporting wheel is connected with the first screw rod through threads, so that the screw rod threads are prevented from being abraded by the supporting wheel, and the supporting wheel is connected with the first screw rod more closely.

2. Compared with the prior art, the screw rod supporting device of the rotary nut can adjust the height of the supporting wheel by arranging the first bevel gear and the second bevel gear, can adapt to screw rods with different heights, and is convenient to install and disassemble the supporting wheel.

3. Compared with the prior art, the screw rod supporting device of the rotary nut is convenient for rotating the second bevel gear by arranging the handle, so that a worker can adjust the supporting wheel more conveniently.

Drawings

Fig. 1 is a schematic view of an overall structure of a lead screw supporting device of a swivel nut according to the present invention;

fig. 2 is a schematic view of an internal structure of a lead screw supporting device of a swivel nut according to the present invention;

fig. 3 is a right sectional view of the screw supporting device of the swivel nut according to the present invention;

fig. 4 is a top view of the screw supporting device of the present invention.

Illustration of the drawings:

1. a base plate; 2. a first lead screw; 3. a support wheel; 4. a first rotating shaft; 5. a support frame; 6. a fixing plate; 7. a guide shaft; 8. a second lead screw; 9. a first bevel gear; 10. a connecting seat; 11. a fixed seat; 12. a second bevel gear; 13. a second rotating shaft; 14. a handle; 15. and (4) a guide hole.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the utility model provides a screw rod supporting device of swivel nut: including bottom plate 1, the inside sliding connection of bottom plate 1 has guiding axle 7, make the supporting wheel 3 activity from top to bottom, it leads to causing wearing and tearing to first lead screw 2 to avoid the rotation of supporting wheel 3, the quantity of guiding axle 7 has two, and be located the both sides of second lead screw 8, the last fixed surface of guiding axle 7 is connected with fixed plate 6, the last fixed surface of fixed plate 6 is connected with support frame 5, support supporting wheel 3, the internal rotation of support frame 5 is connected with first pivot 4, the side surface fixedly connected with supporting wheel 3 of first pivot 4, support first lead screw 2, the side surface of supporting wheel 3 is provided with the recess, first lead screw 2 is located the inside of recess, the inside of recess is provided with the screw thread, be convenient for be connected with first lead screw 2, first lead screw 2 and recess threaded connection.

Be provided with supporting wheel 3 and support frame 5, can support first lead screw 2 through supporting wheel 3, avoided the wearing and tearing of supporting wheel 3 to the lead screw through the threaded connection of supporting wheel 3 with first lead screw 2, make supporting wheel 3 more inseparable with being connected of first lead screw 2.

The lower fixed surface of fixed plate 6 is connected with second lead screw 8, be convenient for highly adjust supporting wheel 3, the last fixed surface of bottom plate 1 rotates and is connected with connecting seat 10, the inside of connecting seat 10 is provided with the through-hole, the through-hole is located guiding hole 15 directly over and the size is the same, the first conical gear 9 of last fixed surface of connecting seat 10 is connected with, first conical gear 9 and the 8 threaded connection of second lead screw, first conical gear 9 is connected with the meshing of second conical gear 12, the inside of bottom plate 1 is provided with guiding hole 15, avoid second lead screw 8 and bottom plate 1 to contact, second lead screw 8 is located the inside of guiding hole 15.

Through being provided with first bevel gear 9 and second bevel gear 12, can adjust the height of supporting wheel 3, can adapt to the lead screw of co-altitude not, the installation and the dismantlement of supporting wheel 3 of being convenient for.

The upper surface of bottom plate 1 just is located the rear side fixedly connected with fixing base 11 of connecting seat 10, and the inside of fixing base 11 rotates and is connected with second pivot 13, is convenient for adjust second conical gear 12, and the one end fixedly connected with second conical gear 12 of second pivot 13, the one end fixedly connected with handle 14 of second conical gear 12 is kept away from to second pivot 13, and handle 14 is convenient for the workman to adjust second lead screw 8.

The rotation of the second bevel gear 12 is facilitated by the handle 14, which facilitates the adjustment of the support wheel 3 by the worker.

The working principle is as follows: the supporting of the first screw rod 2 is completed through the threaded connection of the supporting wheel 3 and the first screw rod 2, the handle 14 is rotated, the second bevel gear 12 is driven to rotate through the second rotating shaft 13, the first bevel gear 9 is driven to rotate through the meshing of the second bevel gear 12 and the first bevel gear 9, the second screw rod 8 is driven to move up and down through the threaded connection of the first bevel gear 9 and the second screw rod 8, and the height of the supporting wheel 3 is adjusted.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a screw support device of swivel nut, includes bottom plate (1), its characterized in that: a guide shaft (7) is slidably connected inside the bottom plate (1), a fixing plate (6) is fixedly connected to the upper surface of the guide shaft (7), a support frame (5) is fixedly connected to the upper surface of the fixing plate (6), a first rotating shaft (4) is rotatably connected inside the support frame (5), a support wheel (3) is fixedly connected to the side surface of the first rotating shaft (4), and a first screw rod (2) is arranged on the side surface of the support wheel (3);

the lower surface of the fixing plate (6) is fixedly connected with a second screw rod (8), the upper surface of the bottom plate (1) is rotatably connected with a connecting seat (10), and the upper surface of the connecting seat (10) is fixedly connected with a first bevel gear (9);

the upper surface of bottom plate (1) just is located rear side fixedly connected with fixing base (11) of connecting seat (10), the inside of fixing base (11) is rotated and is connected with second pivot (13), the one end fixedly connected with second bevel gear (12) of second pivot (13).

2. The screw supporting device of a rotary nut as claimed in claim 1, wherein: the inner part of the bottom plate (1) is provided with a guide hole (15), and the second screw rod (8) is positioned in the guide hole (15).

3. The screw supporting device of a rotary nut as claimed in claim 1, wherein: the side surface of the supporting wheel (3) is provided with a groove, the first screw rod (2) is located inside the groove, threads are arranged inside the groove, and the first screw rod (2) is in threaded connection with the groove.

4. The screw supporting device of a rotary nut as claimed in claim 1, wherein: the first bevel gear (9) is in threaded connection with the second screw rod (8).

5. The screw supporting device of a rotary nut as claimed in claim 1, wherein: the first bevel gear (9) is in meshed connection with the second bevel gear (12).

6. The screw supporting device of a rotary nut as claimed in claim 1, wherein: the number of the guide shafts (7) is two, and the guide shafts are positioned on two sides of the second screw rod (8).

7. The screw supporting device of a rotary nut as claimed in claim 1, wherein: the connecting seat is characterized in that a through hole is formed in the connecting seat (10), is positioned right above the guide hole (15), and has the same size.

8. The screw supporting device of a rotary nut as claimed in claim 1, wherein: one end of the second rotating shaft (13) far away from the second bevel gear (12) is fixedly connected with a handle (14).