CN212627749U

CN212627749U - Ball screw with limiting structure

Info

Publication number: CN212627749U
Application number: CN202020888373.8U
Authority: CN
Inventors: 施建卫
Original assignee: Qidong Xianhe Screw Manufacturing Co Ltd
Current assignee: Qidong Xianhe Screw Manufacturing Co Ltd
Priority date: 2020-05-25
Filing date: 2020-05-25
Publication date: 2021-02-26
Anticipated expiration: 2030-05-25

Abstract

The utility model discloses a ball with limit structure, the on-line screen storage device comprises a base, the first spliced pole of left side fixedly connected with of base, the right side fixedly connected with second spliced pole of base, the top fixedly connected with dead lever of the relative one side of first spliced pole and second spliced pole, the left side fixedly connected with motor of first spliced pole, the output fixedly connected with shaft coupling of motor, the right side fixedly connected with lead screw of shaft coupling. The utility model discloses a cooperation of base, first spliced pole, second spliced pole, dead lever, motor, shaft coupling, lead screw, feed nut, fixed block, connecting rod, support, pulley and spout is used, can effectually solve traditional ball and utilize outside travel switch to control and lead to the problem of damage easily, and the device possesses better limit structure, can be when outside stroke damages, and the protection feed nut can not surpass the stroke to the security has been improved.

Description

Ball screw with limiting structure

Technical Field

The utility model relates to a ball technical field specifically is ball with limit structure.

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 characteristics of high precision, reversibility and high efficiency, and has very small frictional resistance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a ball with limit structure possesses the advantage that improves spacing ability, has solved traditional ball and has needed to utilize the travel switch of peripheral hardware to realize shutting down to control nut stroke, if travel switch damages, the nut just probably surpasss the stroke and causes the accident, the relatively poor problem of fail safe nature.

In order to achieve the above object, the utility model provides a following technical scheme: the ball screw with the limiting structure comprises a base, wherein a first connecting column is fixedly connected to the left side of the base, a second connecting column is fixedly connected to the right side of the base, a fixing rod is fixedly connected to the top of one side, opposite to the first connecting column and the second connecting column, of the first connecting column, a motor is fixedly connected to the left side of the first connecting column, a coupler is fixedly connected to the output end of the motor, a lead screw is fixedly connected to the right side of the coupler, a feed nut is slidably connected to the surface of the lead screw, the right side of the lead screw is movably connected with the left side of the second connecting column through a bearing, fixing blocks are fixedly connected to the top and the bottom of the feed nut, a connecting rod is fixedly connected to one side, away from the feed nut, of the fixing block, a support is fixedly connected to one side of the connecting rod, a, one side of the pulley, which is far away from the support, extends to an inner cavity of the sliding groove, and the sliding groove is in sliding connection with the pulley.

Preferably, the left side of the top of the base is fixedly connected with a connecting seat, the top of the connecting seat is fixedly connected with the bottom of the fixing rod, and an inner cavity of the connecting seat is movably connected with the surface of the screw rod through a bearing.

Preferably, the bottom of motor fixedly connected with mount pad, the right side and the second spliced pole fixed connection of mount pad.

Preferably, the left side fixedly connected with first stopper on lead screw surface, the right side fixedly connected with second stopper on lead screw surface.

Preferably, the controller is fixedly connected to the top of the left side of the first connecting column and electrically connected with the motor through a wire.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a cooperation of base, first spliced pole, second spliced pole, dead lever, motor, shaft coupling, lead screw, feed nut, fixed block, connecting rod, support, pulley and spout is used, can effectually solve traditional ball and utilize outside travel switch to control and lead to the problem of damage easily, and the device possesses better limit structure, can be when outside stroke damages, and the protection feed nut can not surpass the stroke to the security has been improved.

2. The utility model discloses a set up the connecting seat, can support the position of lead screw to guaranteed the stability of lead screw in the motion process, through setting up first stopper and second stopper, can further improve feed nut's stroke limit function, guaranteed horizontal motion's stability, through setting up the controller, can be used for the operation of control motor, thereby realize feed motion.

Drawings

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

FIG. 2 is a schematic view of a partial enlarged structure at A in FIG. 1 according to the present invention;

fig. 3 is a schematic front view of the structure of the present invention.

In the figure: 1. a base; 2. a first connecting column; 3. a second connecting column; 4. fixing the rod; 5. a motor; 6. a coupling; 7. a lead screw; 8. a feed nut; 9. a fixed block; 10. a connecting rod; 11. a support; 12. a pulley; 13. a chute; 14. a connecting seat; 15. a mounting seat; 16. a first stopper; 17. a second limiting block; 18. and a controller.

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 "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", 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 to be referred 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", "provided", "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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The components adopted by the utility model are all universal standard components or components known by the technicians in the field, and the structure and the principle of the components are known by the technicians through technical manuals or conventional experimental methods.

Referring to fig. 1-3, a ball screw with a limiting structure includes a base 1, a connecting seat 14 fixedly connected to a left side of a top of the base 1, a bottom of the connecting seat 14 fixedly connected to a bottom of a fixing rod 4, an inner cavity of the connecting seat 14 movably connected to a surface of a screw 7 through a bearing, a first connecting post 2 fixedly connected to a left side of the base 1, a controller 18 fixedly connected to a top of a left side of the first connecting post 2, the controller 18 electrically connected to a motor 5 through a wire, a second connecting post 3 fixedly connected to a right side of the base 1, the fixing rod 4 fixedly connected to a top of a side of the first connecting post 2 opposite to the second connecting post 3, the motor 5 fixedly connected to a left side of the first connecting post 2, a mounting seat 15 fixedly connected to a bottom of the motor 5, a right side of the mounting seat 15 fixedly connected to the second connecting post 3, and a, the right side of the coupler 6 is fixedly connected with a lead screw 7, the left side of the surface of the lead screw 7 is fixedly connected with a first limiting block 16, the right side of the surface of the lead screw 7 is fixedly connected with a second limiting block 17, the surface of the lead screw 7 is connected with a feed nut 8 in a sliding manner, the right side of the lead screw 7 is movably connected with the left side of a second connecting column 3 through a bearing, the top and the bottom of the feed nut 8 are both fixedly connected with a fixed block 9, one side of the fixed block 9 far away from the feed nut 8 is fixedly connected with a connecting rod 10, one side of the connecting rod 10 is fixedly connected with a bracket 11, one side of the bracket 11 is movably connected with a pulley 12 through a rotating shaft, the top of the base 1 and the bottom of the fixed rod 4 are both provided with a sliding groove 13, one side of the pulley 12 far, thereby ensuring the stability of the lead screw 7 in the movement process, further improving the stroke limit function of the feed nut 8 by arranging the first limit block 16 and the second limit block 17, ensuring the stability of horizontal movement, being used for controlling the operation of the motor 5 by arranging the controller 18, thereby realizing the feeding movement, effectively solving the problem that the traditional ball screw is easy to damage when being controlled by an external travel switch through the matching use of the base 1, the first connecting post 2, the second connecting post 3, the fixed rod 4, the motor 5, the shaft coupling 6, the screw 7, the feeding nut 8, the fixed block 9, the connecting rod 10, the bracket 11, the pulley 12 and the chute 13, the device has a good limiting structure, and can protect the feeding nut 8 from exceeding the stroke when the external stroke is damaged, so that the safety is improved.

During the use, through controller 18 start motor 5, motor 5 passes through shaft coupling 6 and drives lead screw 7 and rotate, and lead screw 7 drives feed nut 8 and carries out linear motion, and pulley 12 slides in the inside of spout 13, stability when can guaranteeing feed nut 8 and move reaches spacing purpose simultaneously to avoid travel switch to damage, influence feed nut 8 and surpass the stroke and the accident that takes place.

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. Ball with limit structure, including base (1), its characterized in that: the device is characterized in that a first connecting column (2) is fixedly connected to the left side of the base (1), a second connecting column (3) is fixedly connected to the right side of the base (1), a fixing rod (4) is fixedly connected to the top of one side, opposite to the first connecting column (2) and the second connecting column (3), of the first connecting column (2), a motor (5) is fixedly connected to the left side of the first connecting column (2), a coupler (6) is fixedly connected to the output end of the motor (5), a lead screw (7) is fixedly connected to the right side of the coupler (6), a feed nut (8) is connected to the surface of the lead screw (7) in a sliding manner, the right side of the lead screw (7) is movably connected to the left side of the second connecting column (3) through a bearing, fixed blocks (9) are fixedly connected to the top and the bottom of the feed nut (8), and a connecting, one side fixedly connected with support (11) of connecting rod (10), one side of support (11) has pulley (12) through pivot swing joint, spout (13) have all been seted up to the top of base (1) and the bottom of dead lever (4), one side that support (11) were kept away from in pulley (12) extends to the inner chamber of spout (13), be sliding connection between spout (13) and pulley (12).

2. The ball screw with the limit structure according to claim 1, wherein: the left side fixedly connected with connecting seat (14) at base (1) top, the top of connecting seat (14) and the bottom fixed connection of dead lever (4), the inner chamber of connecting seat (14) passes through the surface swing joint of bearing and lead screw (7).

3. The ball screw with the limit structure according to claim 1, wherein: the bottom fixedly connected with mount pad (15) of motor (5), the right side and the second spliced pole (3) fixed connection of mount pad (15).

4. The ball screw with the limit structure according to claim 1, wherein: the left side fixedly connected with first stopper (16) on lead screw (7) surface, the right side fixedly connected with second stopper (17) on lead screw (7) surface.

5. The ball screw with the limit structure according to claim 1, wherein: the top of the left side of the first connecting column (2) is fixedly connected with a controller (18), and the controller (18) is electrically connected with the motor (5) through a wire.