CN216382450U

CN216382450U - Ball screw convenient to change supporting seat

Info

Publication number: CN216382450U
Application number: CN202122917496.7U
Authority: CN
Inventors: 李恝; 秦仲琪
Original assignee: Hefei Shuanghe Intelligent Technology Co ltd
Current assignee: Hefei Shuanghe Intelligent Technology Co ltd
Priority date: 2021-11-25
Filing date: 2021-11-25
Publication date: 2022-04-26
Anticipated expiration: 2031-11-25

Abstract

The utility model discloses a ball screw convenient for replacing a supporting seat, which comprises: the base is used as a supporting base of the device, a screw rod is connected to the base, a ball nut is connected to the screw rod, a sleeve is fixedly connected to the top end of the screw rod, and an end pipe is connected to the sleeve; the butt joint seat is fixedly connected below the base, the slot is formed in one side of the butt joint seat, the through groove is formed in the upper portion of the placing cavity, the connecting rod is connected in the through groove, and the tail end of the connecting rod is fixedly connected above the baffle. This ball screw convenient to change supporting seat promotes the baffle through the connecting rod, makes baffle extrusion spring, withdraws from the slot with the picture peg, and then separates base and lead screw to be convenient for change, through rotatory threaded rod, make the backup pad along sleeve rebound, and then promote the end pipe rebound, thereby be convenient for adjust the height, through the position along four fixture blocks of draw-in groove regulation, and then be convenient for adjust mounting screw's position.

Description

Ball screw convenient to change supporting seat

Technical Field

The utility model relates to the technical field of ball screws, in particular to a ball screw with a support seat convenient to replace.

Background

The ball screw is the most commonly used transmission element on tool machinery and precision machinery, the main function of the ball screw is to convert rotary motion into linear motion or convert torque into axial repeated acting force, and the ball screw has the characteristics of high precision, reversibility and high efficiency, and the existing ball screw has certain defects when in use, such as the following;

the novel ball screw is disclosed as CN211599442U, anti-drop edges are arranged at two ends of the threaded rod and fixedly connected with the threaded rod through screws, a ball screw thread sleeve is arranged on the outer side of the threaded rod, a ball groove is arranged on the inner side wall of the ball screw thread sleeve, balls are arranged in the ball groove, a convex edge is arranged outside the ball screw thread sleeve at a point, a liquid inlet and a liquid outlet are symmetrically arranged at the edges of two sides of the convex edge, a spiral cooling liquid groove is arranged in the inner side wall of the ball screw thread sleeve, when the ball screw is in operation, the ball screw is fed into the ball screw thread sleeve from the liquid inlet and then discharged from the liquid outlet, and meanwhile, heat generated by mutual friction between the ball screw thread sleeve and the threaded rod is taken away in time, the temperature of the ball screw is reduced, and the ball screw can work stably and efficiently for a long time;

this prior art solution also presents the following problems when in use:

1. the base is not convenient to replace;

2. the height is not convenient to adjust;

3. the position of the mounting screw is not convenient to adjust;

improvements are needed to address the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a ball screw with a support seat convenient to replace, and aims to solve the problems that the ball screw in the current market is inconvenient to replace a base, adjust the height and adjust the position of a mounting screw in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: a ball screw convenient to change supporting seat includes:

the base is used as a supporting base of the device, a screw rod is connected to the base, a ball nut is connected to the screw rod, a sleeve is fixedly connected to the top end of the screw rod, and an end pipe is connected to the sleeve;

butt joint seat, fixed connection be in the base below, butt joint seat block is connected in the butt joint hole, the butt joint hole is seted up on the base, it places the chamber to have seted up on the butt joint hole inside wall, place intracavity fixedly connected with spring, spring one end fixedly connected with baffle, baffle one side fixedly connected with picture peg, the picture peg block is connected in the slot, the slot is seted up in butt joint seat one side, it has seted up logical groove to place the chamber top, it has the connecting rod to lead to the inslot connection, the terminal fixed connection of connecting rod is in the baffle top.

Preferably, the sum of the lengths of the spring, the baffle and the inserting plate is greater than the distance between the placing cavity and the inserting groove, the depth inside the inserting groove is smaller than the length of the inserting plate, the baffle is pushed by the connecting rod to extrude the spring, the inserting plate is withdrawn from the inserting groove, and the base is separated from the screw rod, so that the replacement is facilitated.

Preferably, the end pipe comprises:

the utility model discloses a pipe fitting, including the end pipe, backup pad, fixed connection be in the end pipe is terminal, backup pad one side fixedly connected with guide block, the guide block joint is in the guide rail, guide rail fixed connection is on the sleeve inside wall, backup pad internal thread connection has the threaded rod, the terminal fixedly connected with pivot of threaded rod, the pivot is rotated and is connected on the sleeve bottom surface, inlay in the pivot and establish and be connected with first bevel gear, first bevel gear one side meshing is connected with second bevel gear, second bevel gear one side fixedly connected with horizontal pole, horizontal pole through connection is on the sleeve inner wall, through rotatory threaded rod, makes the backup pad along sleeve rebound, and then promotes the end pipe rebound to be convenient for the adjustment height.

Preferably, the supporting plate, the guide blocks, the guide rails, the threaded rod, the first bevel gear and the second bevel gear form a linkage structure, and the guide blocks and the guide rails are symmetrically arranged in two groups around the central axis of the supporting plate, so that the supporting plate is more stable when moving upwards.

Preferably, the base includes:

the ring channel is opened in the base, a clamping groove is formed in the ring channel, a clamping block is connected in the clamping groove in a clamping mode, a screw is connected in the clamping block in a threaded mode, the positions of the four clamping blocks are adjusted along the clamping groove, and therefore the position of the mounting screw can be adjusted conveniently.

Preferably, four groups of the clamping blocks and the screws are arranged in an annular array relative to the center of the clamping groove, and the heights of the four groups of the clamping blocks are smaller than the height of the screws, so that the screws can penetrate through the clamping blocks to be in contact with the mounting surface, and the mounting is further facilitated.

Compared with the prior art, the utility model has the beneficial effects that: this ball screw convenient to change supporting seat promotes the baffle through the connecting rod, makes baffle extrusion spring, withdraws from the slot with the picture peg, and then separates base and lead screw to be convenient for change, through rotatory threaded rod, make the backup pad along sleeve rebound, and then promote the end pipe rebound, thereby be convenient for adjust the height, through the position along four fixture blocks of draw-in groove regulation, and then be convenient for adjust mounting screw's position.

1. Firstly, four groups of connecting rods are pushed outwards along four groups of through grooves, the connecting rods drive the baffle plates to move outwards, the springs in the placing cavities are extruded, the inserting plates are driven to move towards the placing cavities, then four groups of slots on the outer sides of the butt joint seats correspond to the inserting plates in position, the butt joint seats are inserted into the butt joint holes, when the butt joint seats are completely inserted into the butt joint holes, the connecting rods are loosened, the springs are reset rapidly, the inserting plates are driven to be inserted into the slots, the butt joint seats are fixed in the butt joint holes, the screw rods are installed above the base, when the base needs to be replaced, the connecting rods are pushed again, and the inserting plates are separated from the slots, so that the base is convenient to replace;

2. firstly, a cross rod is rotated, the cross rod drives a second bevel gear to rotate, the second bevel gear drives a first bevel gear to rotate through a rotating shaft, the first bevel gear drives a threaded rod to rotate while rotating, a supporting plate cannot rotate along with the rotation of the threaded rod under the action of two side guide blocks and a guide rail, and the supporting plate is in threaded connection with the threaded rod, so that when the threaded rod rotates, the supporting plate can move upwards along a sleeve, and further an end pipe is pushed to move upwards, and the height is convenient to adjust;

3. when the ball screw is installed, the base is installed on the table board, then the clamping blocks are pushed along the clamping grooves in the annular grooves, the positions of the four groups of clamping blocks are adjusted, after the adjustment is completed, screws penetrate through the clamping blocks to be in contact with the table board, and then the ball screw is installed, so that the positions of the screws can be adjusted conveniently.

Drawings

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

FIG. 2 is a schematic view of a base structure according to the present invention;

FIG. 3 is an enlarged view of the portion A of the present invention;

FIG. 4 is an enlarged view of the structure of part B of the present invention.

In the figure: 1. a base; 2. a screw rod; 3. a ball nut; 4. a sleeve; 5. an end tube; 6. a docking station; 7. a butt joint hole; 8. a placement chamber; 9. a spring; 10. a baffle plate; 11. inserting plates; 12. a slot; 13. a through groove; 14. a connecting rod; 15. a support plate; 16. a guide block; 17. a guide rail; 18. a threaded rod; 19. a rotating shaft; 20. a first bevel gear; 21. a second bevel gear; 22. a cross bar; 23. an annular groove; 24. a card slot; 25. a clamping block; 26. and (4) screws.

Detailed Description

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, the present invention provides a technical solution: a ball screw convenient to change supporting seat includes: the device comprises a base 1 serving as a supporting base of the device, a screw rod 2 is connected to the base 1, a ball nut 3 is connected to the screw rod 2, a sleeve 4 is fixedly connected to the top end of the screw rod 2, and an end pipe 5 is connected to the sleeve 4; butt joint seat 6, fixed connection is in base 1 below, butt joint seat 6 block is connected in butt joint hole 7, butt joint hole 7 is seted up on base 1, it places chamber 8 to have seted up on 7 inside walls of butt joint hole, place fixedly connected with spring 9 in the chamber 8, spring 9 one end fixedly connected with baffle 10, baffle 10 one side fixedly connected with picture peg 11, picture peg 11 block is connected in slot 12, slot 12 is seted up in butt joint seat 6 one side, it has seted up logical groove 13 to place 8 tops in the chamber, it has connecting rod 14 to lead to the in-groove 13 in-connection, the terminal fixed connection of connecting rod 14 is in baffle 10 tops.

The sum of the lengths of the spring 9, the baffle plate 10 and the inserting plate 11 is larger than the distance between the placing cavity 8 and the inserting groove 12, the depth inside the inserting groove 12 is smaller than the length of the inserting plate 11, the baffle plate 10 is pushed by the connecting rod 14, the baffle plate 10 extrudes the spring 9, the inserting plate 11 is withdrawn from the inserting groove 12, and the base 1 is separated from the screw rod 2, so that the replacement is facilitated.

The end pipe 5 includes: backup pad 15, fixed connection is at the end of end pipe 5, backup pad 15 one side fixedly connected with guide block 16, guide block 16 block is connected in guide rail 17, guide rail 17 fixed connection is on the 4 inside walls of sleeve, 15 internal thread connections in backup pad have a threaded

rod

18, 18 terminal fixedly connected with pivots 19 of threaded rod, 19 rotation of pivot is connected on the 4 bottom surfaces of sleeve, it is connected with first bevel gear 20 to inlay to establish on the pivot 19, first bevel gear 20 one side meshing is connected with

second bevel gear

21, 21 one side fixedly connected with horizontal pole 22 of second bevel gear, horizontal pole 22 through connection is on the 4 inner walls of sleeve. The support plate 15, the guide block 16, the guide rail 17, the threaded rod 18, the first bevel gear 20 and the second bevel gear 21 form a linkage structure, and two groups of the guide block 16 and the guide rail 17 are symmetrically arranged about the central axis of the support plate 15, so that the support plate 15 is more stable when moving upwards. By rotating the threaded rod 18, the support plate 15 is moved upwards along the sleeve 4, which in turn pushes the end tube 5 upwards, facilitating height adjustment.

The base 1 includes: the annular groove 23 is formed in the base 1, a clamping groove 24 is formed in the annular groove 23, a clamping block 25 is connected in the clamping groove 24 in a clamping mode, and a screw 26 is connected in the clamping block 25 in a threaded mode. The four clamping blocks 25 and the screws 26 are arranged in an annular array around the center of the clamping groove 24, and the heights of the four clamping blocks 25 are smaller than that of the screws 26, so that the screws 26 can penetrate through the clamping blocks 25 to be in contact with the mounting surface, and the mounting is further convenient. The position of the mounting screw 26 is further facilitated by adjusting the position of the four sets of catches 25 along the catch slot 24.

The working principle is as follows: as shown in fig. 1-4, when using the ball screw for easy replacement of the supporting seat, the apparatus is simply understood by first pushing four sets of connecting rods 14 along four sets of through slots 13, the connecting rods 14 driving the baffle 10 to move outward, pressing the spring 9 in the placing cavity 8 and driving the inserting plate 11 to move in the placing cavity 8, then corresponding the four sets of slots 12 outside the docking seat 6 to the inserting plate 11, inserting the docking seat 6 into the docking hole 7, when the docking seat 6 is completely inserted into the docking hole 7, releasing the connecting rods 14, the spring 9 rapidly resetting, driving the inserting plate 11 to be inserted into the slot 12, fixing the docking seat 6 in the docking hole 7, further mounting the screw 2 above the base 1, when the base 1 needs to be replaced, pushing the connecting rods 14 again to separate the inserting plate 11 from the slot 12, thereby facilitating replacement of the base 1, and then rotating the cross bar 22, the cross bar 22 drives the second bevel gear 21 to rotate, the second bevel gear 21 drives the first bevel gear 20 to rotate through the rotating shaft 19, the first bevel gear 20 drives the threaded rod 18 to rotate while rotating, the support plate 15 cannot rotate along with the rotation of the threaded rod 18 under the action of the guide blocks 16 and the guide rails 17 on the two sides, and the support plate 15 is in threaded connection with the threaded rod 18, so that when the threaded rod 18 rotates, the support plate 15 moves upwards along the sleeve 4 to push the end pipe 5 to move upwards so as to adjust the height, then, when the ball screw is installed, the base 1 is installed on a table top, then, the clamping blocks 25 are pushed along the clamping grooves 24 in the annular groove 23 to adjust the positions of the four groups of clamping blocks 25, after the adjustment is completed, the screws 26 penetrate through the clamping blocks 25 to be in contact with the table top to install the ball screw so as to adjust the position of the screws 26, those not described in detail in this specification are within the skill of the art.

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 various changes in the embodiments and modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a ball screw convenient to change supporting seat which characterized in that includes:

the device comprises a base (1), wherein a screw rod (2) is connected to the base (1), a ball nut (3) is connected to the screw rod (2), a sleeve (4) is fixedly connected to the top end of the screw rod (2), and an end pipe (5) is connected to the sleeve (4);

butt joint seat (6), fixed connection be in base (1) below, butt joint seat (6) block is connected in butt joint hole (7), set up on base (1) butt joint hole (7), seted up on butt joint hole (7) inside wall and placed chamber (8), place fixedly connected with spring (9) in chamber (8), spring (9) one end fixedly connected with baffle (10), baffle (10) one side fixedly connected with picture peg (11), picture peg (11) block is connected in slot (12), slot (12) are set up in butt joint seat (6) one side, it has logical groove (13) to place chamber (8) top, it has connecting rod (14) to lead to in groove (13) in-connection, the terminal fixed connection of connecting rod (14) is in baffle (10) top.

2. The ball screw of claim 1, wherein the support seat is easily replaced by: the sum of the lengths of the spring (9), the baffle (10) and the inserting plate (11) is greater than the distance between the placing cavity (8) and the inserting groove (12), and the inner depth of the inserting groove (12) is smaller than the length of the inserting plate (11).

3. The ball screw of claim 1, wherein the support seat is easily replaced by: the end tube (5) comprises a support plate (15); the supporting plate (15) is fixedly connected to the tail end of the end pipe (5).

4. The ball screw of claim 3, wherein the support seat is easily replaced by: and one side of the supporting plate (15) is fixedly connected with a guide block (16).

5. The ball screw of claim 4, wherein the support seat is easily replaced by: the guide block (16) is clamped and connected in a guide rail (17), and the guide rail (17) is fixedly connected to the inner side wall of the sleeve (4).

6. The ball screw of claim 5, wherein the support seat is easily replaced by: the supporting plate (15) is internally threaded with a threaded rod (18), and the tail end of the threaded rod (18) is fixedly connected with a rotating shaft (19).

7. The ball screw of claim 6, wherein the support seat is easily replaced by: the rotating shaft (19) is rotatably connected to the bottom surface of the sleeve (4).

8. The ball screw of claim 6, wherein the support seat is easily replaced by: the rotating shaft (19) is connected with a first bevel gear (20) in an embedded mode, one side of the first bevel gear (20) is connected with a second bevel gear (21) in an engaged mode, and one side of the second bevel gear (21) is fixedly connected with a cross rod (22).

9. The ball screw of claim 8, wherein the support seat is easily replaced by: the cross rod (22) is connected to the inner wall of the sleeve (4) in a penetrating way.

10. The ball screw of claim 1, wherein the support seat is easily replaced by: the base (1) comprises an annular groove (23); the annular groove (23) is formed in the base (1), a clamping groove (24) is formed in the annular groove (23), a clamping block (25) is connected in the clamping groove (24) in a clamping mode, and a screw (26) is connected to the clamping block (25) in an internal thread mode.