CN211387883U

CN211387883U - Braking device of ball screw nut pair of numerical control lathe

Info

Publication number: CN211387883U
Application number: CN202020054247.2U
Authority: CN
Inventors: 樊育东; 韩魁; 李作崙
Original assignee: Zhengzhou Jiatai Electromechanical Technology Co ltd
Current assignee: Zhengzhou Jiatai Electromechanical Technology Co ltd
Priority date: 2020-01-12
Filing date: 2020-01-12
Publication date: 2020-09-01
Anticipated expiration: 2030-01-12

Abstract

The utility model discloses a braking device of a ball screw nut pair of a numerical control lathe, which comprises a screw rod body, a nut body and a rotating sleeve, wherein a connecting disc is fixed at one end of the nut body, the nut body and the connecting disc are sleeved on the screw rod body, the outer side of the connecting disc is provided with an oil hole, the oil hole is connected with the inside of the connecting disc, the inside of the nut body is provided with a limiting groove, a ball body is clamped between the screw rod body and the limiting groove, a circulator is embedded in the nut body, the circulator corresponds to the ball body, the inner side of one end of the nut body, which is far away from the connecting disc, is provided with an internal groove, a pressing block is arranged in the built-in groove in a sliding manner, a button is embedded and arranged on the outer side of one end of the nut body, the rotating sleeve is rotatably installed on the outer side of the nut body, and a clamping groove is formed in the inner side of one end of the rotating sleeve. The utility model discloses possess easy and simple to handle, efficient and braking effect is good, the high advantage of security.

Description

Braking device of ball screw nut pair of numerical control lathe

Technical Field

The utility model relates to a braking equipment technical field specifically is a vice arresting gear of numerical control lathe ball nut.

Background

The ball screw is an ideal product for converting rotary motion into linear motion or converting linear motion into rotary motion. The ball screw is the most commonly used transmission element on tool machinery and precision machinery, and 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 existing ball screw adopts a stepping motor to realize driving, so that the braking between a nut and the screw cannot be effectively realized in the using process, the nut cannot be manually stopped to move, and the safety protection effect cannot be realized under special conditions; the existing braking means is realized by closing the stepping motor to stop use, but the braking means generated between the nut and the screw cannot be effectively ensured, and the safety is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a arresting gear of numerical control lathe ball nut pair possesses easy and simple to handle, and efficient and braking effect is good, and the high advantage of security solves the inconvenient and low problem of security of current equipment operation.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a vice arresting gear of numerical control lathe ball screw nut, includes lead screw body, nut body and rotation cover, the one end of nut body is fixed with the connection pad, and nut body and connection pad all cup joint on the lead screw body, the oilhole has been seted up in the outside of connection pad, and the inside of oilhole connection pad, the spacing groove has been seted up to the inside of nut body, and the centre gripping has the ball body between lead screw body and the spacing groove, the circulator is installed to the embedded embedding in the nut body, and the circulator corresponds the ball body, the nut body deviates from the one end inboard of connection pad and has seted up built-in groove, slidable mounting has the briquetting in the built-in groove, the button is installed in the one end outside embedding of nut body, rotate the cover and rotate the outside of installing at the nut body, the draw-in.

Preferably, the inner sides of the ends, which deviate from the connecting disc, of the nut body are both fixed with sealing rings, the sealing rings are designed in a labyrinth mode, and the sealing rings and the pressing blocks are made of rubber materials.

Preferably, the outer side of the rotating sleeve is provided with anti-slip threads in an annular array, and the connecting disc is provided with a connecting port in an annular array on the side deviating from the nut body.

Preferably, the button is located inside the clamping groove, the lower end of the button is fixed with a connecting rod, the lower end of the connecting rod penetrates through the nut body and then is connected with the pressing block, and the clamping groove is in an arc-shaped design.

Preferably, a spring is fixed at the bottom end of the inner portion of the built-in groove, the lower end of the spring is fixed at the upper end of the pressing block, and the spring is sleeved on the outer side of the connecting rod.

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

the utility model discloses a set up and rotate cover and briquetting, the staff holds and rotates the cover, clockwise rotation rotates the cover and makes it take place the displacement at the nut body, it rotates and makes the draw-in groove displacement to rotate the cover, the terminal extrusion button of arc draw-in groove makes, the button pushes down and makes the connecting rod drive the briquetting and push down, the surface of briquetting contact lead screw body, the briquetting pushes down and makes the spring pull-up, through briquetting increase coefficient of friction, avoid lead screw body and nut body to take place to rotate the displacement through the mode of contact, when not needing the braking, the cover is rotated in the reverse rotation, resilience through the spring-back messenger briquetting of spring resets and enters built-in groove, remove brake state, this device is easy and simple to handle, can maintain brake state for a long time, moreover, the steam generator is.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

fig. 2 is a schematic structural diagram of a in fig. 1 according to the present invention;

FIG. 3 is a schematic side sectional view of the rotating sleeve of the present invention;

fig. 4 is a schematic view of the appearance structure of the present invention.

In the figure: 1. a screw rod body; 2. a seal ring; 3. a ball body; 4. a circulator; 5. a nut body; 6. rotating the sleeve; 7. a limiting groove; 8. a connecting disc; 9. a card slot; 10. a built-in groove; 11. briquetting; 12. a spring; 13. a connecting rod; 14. a button; 15. anti-skid lines; 16. and an oil 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 "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 which the reference is made 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, and for example, "connected" may be either fixedly connected or 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 to 4, the present invention provides an embodiment: the utility model provides a vice arresting gear of numerical control lathe ball screw nut, including lead screw body 1, nut body 5 and rotation cover 6, the one end of nut body 5 is fixed with connection pad 8, and nut body 5 and connection pad 8 all cup joint on lead screw body 1, oilhole 16 has been seted up in the outside of connection pad 8, and the inside of oilhole 16 connection pad 8, the inboard one end that deviates from mutually of nut body 5 and connection pad 8 all is fixed with sealing washer 2, and sealing washer 2 is the labyrinth design, sealing washer 2 and briquetting 11 are the rubber material.

Limiting groove 7 has been seted up to nut body 5's inside, and the centre gripping has ball body 3 between lead screw body 1 and the limiting groove 7, circulator 4 is installed to the embedded embedding in nut body 5, and circulator 4 corresponds ball body 3, built-in groove 10 has been seted up to nut body 5 one end inboard that deviates from connection pad 8, slidable mounting has briquetting 11 in built-in groove 10, button 14 is installed in the one end outside embedding of nut body 5, button 14 is located inside draw-in groove 9, button 14's lower extreme is fixed with connecting rod 13, and connecting rod 13's lower extreme runs through nut body 5 back and connects briquetting 11, draw-in groove 9 is the arc design, built-in groove 10's inside bottom mounting has spring 12, and spring 12's lower extreme is fixed in briquetting 11 upper end, spring 12 cup joints the outside at connecting rod 13.

The rotating sleeve 6 is rotatably arranged on the outer side of the nut body 5, a clamping groove 9 is formed in the inner side of one end of the rotating sleeve 6, anti-skid grains 15 are distributed on the outer side of the rotating sleeve 6 in an annular array mode, a connecting port is formed in one side, away from the nut body 5, of the connecting disc 8, a worker holds the rotating sleeve 6, the rotating sleeve 6 is rotated clockwise to enable the rotating sleeve to displace in the nut body 5, the rotating sleeve 6 rotates to enable the clamping groove 9 to displace, the tail end of the arc-shaped clamping groove 9 extrudes a button 14, the button 14 is pressed downwards to enable a connecting rod 13 to drive a pressing block 11 to be pressed downwards, the pressing block 11 is contacted with the outer surface of the lead screw body 1, the pressing block 11 is pressed downwards to enable a spring 12 to be lifted, the friction coefficient is increased through the pressing block 11, the rotating displacement between the lead screw body 1 and the nut body 5 is, the brake state is relieved, the device is simple and convenient to operate, the brake state can be maintained for a long time, the structure is simple, the cost is low, the brake effect is good, and the practicability is high.

The working principle is as follows: the utility model discloses in operation, hold and rotate cover 6, clockwise rotation rotates cover 6 and makes it take place the displacement at nut body 5, it makes draw-in groove 9 displacement to rotate cover 6 to rotate, arc draw-in groove 9's terminal extrusion button 14 makes, button 14 pushes down makes connecting rod 13 drive briquetting 11 and pushes down, briquetting 11 contacts the surface of lead screw body 1, briquetting 11 pushes down makes spring 12 pull-up, through 11 increase coefficient of friction of briquetting, avoid lead screw body 1 and nut body 5 to take place the rotation displacement through the mode of contact, when not needing the braking, reverse rotation rotates cover 6, resilience through spring 12 makes briquetting 11 reset and enters built-in groove 10, remove brake state. The working principle of the present invention is the above.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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 a arresting gear of numerical control lathe ball nut pair, includes lead screw body (1), nut body (5) and rotates cover (6), its characterized in that: the screw rod is characterized in that a connecting disc (8) is fixed at one end of the nut body (5), the nut body (5) and the connecting disc (8) are both sleeved on the screw rod body (1), an oil hole (16) is formed in the outer side of the connecting disc (8), the oil hole (16) is connected with the inside of the connecting disc (8), a limiting groove (7) is formed in the nut body (5), a ball body (3) is clamped between the screw rod body (1) and the limiting groove (7), a circulator (4) is embedded in the nut body (5), the circulator (4) corresponds to the ball body (3), an embedded groove (10) is formed in the inner side of one end, deviating from the connecting disc (8), of the nut body (5), a pressing block (11) is slidably mounted in the embedded groove (10), a button (14) is embedded in the outer side of one end of the nut body (5), and the rotating sleeve (6) is rotatably mounted on the outer side of the nut, and a clamping groove (9) is formed in the inner side of one end of the rotating sleeve (6).

2. The braking device of the ball screw nut pair of the numerical control lathe according to claim 1, characterized in that: the nut body (5) and the connection pad (8) deviate from one end of the inner side and are both fixed with the sealing ring (2), the sealing ring (2) is designed in a labyrinth mode, and the sealing ring (2) and the pressing block (11) are made of rubber materials.

3. The braking device of the ball screw nut pair of the numerical control lathe according to claim 1, characterized in that: the anti-skidding nut is characterized in that anti-skidding threads (15) are distributed on the outer side of the rotating sleeve (6) in an annular array mode, and a connecting port is formed in one side of the connecting disc (8) deviating from the nut body (5) in an annular array mode.

4. The braking device of the ball screw nut pair of the numerical control lathe according to claim 1, characterized in that: the button (14) is located inside the clamping groove (9), the lower end of the button (14) is fixed with a connecting rod (13), the lower end of the connecting rod (13) penetrates through the nut body (5) and then is connected with the pressing block (11), and the clamping groove (9) is in an arc-shaped design.

5. The braking device of the ball screw nut pair of the numerical control lathe according to claim 1, characterized in that: the spring (12) is fixed at the bottom end of the interior of the built-in groove (10), the lower end of the spring (12) is fixed at the upper end of the pressing block (11), and the spring (12) is sleeved on the outer side of the connecting rod (13).