CN216829474U

CN216829474U - Automatic nut screwing device

Info

Publication number: CN216829474U
Application number: CN202123215494.XU
Authority: CN
Inventors: 袁永健; 丛维林; 许广利
Original assignee: Suzhou Yuanyi Intelligent Technology Co ltd
Current assignee: Suzhou Yuanyi Intelligent Technology Co ltd
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-06-28
Anticipated expiration: 2031-12-20

Abstract

The utility model relates to an automatic nut screwing device, which comprises a rotating mechanism and a servo motor, wherein an output shaft of the servo motor passes through a first gear, the first gear and a second gear are meshed for transmission, the second gear is sleeved on the outer wall of a rotating seat, the rotating seat is clamped with the head of a nut, and the nut is screwed by the rotation of the rotating seat; the first limiting mechanism comprises a first cylinder, a piston rod of the first cylinder is connected with a moving rod, the moving rod axially penetrates through a sleeve, the sleeve is clamped with a main body of a nut, and the piston rod of the first cylinder pushes the moving rod to abut against the nut. The utility model discloses a nut fastening process is simplified to equipment, reaches the bad factor that reduces artifical quantity and reduce artifical maloperation and bring.

Description

Automatic nut screwing device

Technical Field

The utility model belongs to the technical field of the auxiliary assembly instrument technique and specifically relates to indicate an automatic twist nut device.

Background

At present, be difficult to connect fixed cooperation between the conductor of wire, the conductor junction of wire loosens easily, leads to connecting between the cable to be interrupted, influences the normal transport of electric power, has certain potential safety hazard, and installs and maintains the degree of difficulty greatly, has increased cable junction or has changed required time, has increased the assembly degree of difficulty.

Therefore, technicians need to install nuts on the wires to protect the wire conductors, but the conventional assembly tools and manual assembly methods are low in efficiency and labor intensity, and are used for measuring the tightening torque of the nuts. This current situation leads to poor product quality stability and tends to produce defective products.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model discloses an automatic twist nut device.

The utility model discloses the technical scheme who adopts as follows:

an automatic nut screwing device comprises

The rotating mechanism comprises a servo motor, an output shaft of the servo motor penetrates through a first gear, the first gear and a second gear are in meshing transmission, the second gear is sleeved on the outer wall of the rotating seat, the rotating seat is clamped with the head of the nut, and the nut is screwed by the rotating seat in a rotating mode;

the first limiting mechanism comprises a first cylinder, a piston rod of the first cylinder is connected with a moving rod, the moving rod axially penetrates through a sleeve, the sleeve is clamped with a main body of the nut, and the piston rod of the first cylinder pushes the moving rod to tightly abut against the nut.

The method is further technically characterized in that: the sleeve is arranged on one side of the fixed seat, a piston rod of the first air cylinder penetrates through the fixed seat to be connected with the movable rod, and the supporting seat is arranged below the fixed seat.

The method is further technically characterized in that: still include second stop gear, second stop gear includes the second cylinder, spacing seat is connected to the piston rod of second cylinder, the piston rod of second cylinder promotes spacing seat horizontal migration, spacing seat is kept away from the direction motion of roating seat or spacing seat is close to the direction motion of roating seat, second stop gear control first stop gear with distance between the rotary mechanism.

The method is further technically characterized in that: the second limiting mechanism further comprises a first moving module, and the first moving module is installed below the limiting seat.

The method is further technically characterized in that: the first moving module comprises at least one group of first guide rail and first sliding block which are mutually embedded, and the first sliding block is fixed at the bottom of the limiting seat.

The method is further technically characterized in that: the first gear and the second gear are both mounted in a protective cover.

The method is further technically characterized in that: the wire feeding mechanism is used for clamping and conveying a wire to penetrate through the nut.

The method is further technically characterized in that: the wire feeding mechanism comprises a third cylinder, a piston rod of the third cylinder is connected with a first clamping module and a second clamping module, the piston rod of the third cylinder pushes the first clamping module and the second clamping module to horizontally reciprocate, the first clamping module clamps the nut, and the second clamping module clamps the wire.

The method is further technically characterized in that: the first clamping module and the second clamping module both comprise pneumatic clamping jaws, movable portions of the pneumatic clamping jaws are connected with the clamp, the end portions of the pneumatic clamping jaws are fixed on the sliding plate, the second clamping module is moved below the sliding plate, and the sliding plate is connected with a piston rod of the third cylinder.

The method is further technically characterized in that: the second moving module comprises at least one group of second guide rails and second sliding blocks which are mutually embedded, and the second sliding blocks are fixed below the sliding plate.

Compared with the prior art, the technical scheme of the utility model have following advantage:

1. the utility model discloses a nut is simplified to equipment and is fastened in the process of wire, reaches the bad factor that reduces artifical quantity and reduce artifical maloperation and bring.

2. The utility model discloses a distance between the head of nut and the main part of nut is guaranteed in the cooperation between rotary mechanism, first stop gear and the second stop gear, and the precision is steerable 0.2mm, guarantees the torsion of screwing up between the head of nut and the main part of nut simultaneously, and the precision is steerable 0.2N.

3. The utility model discloses a setting up and sending line mechanism to have solved the difficult problem of remote pay-off, and the material loading is efficient, and is effectual, simple structure, and the practicality is strong, and is with low costs, and is effectual, can arrange and work on the assembly line.

Drawings

In order to make the content of the present invention more clearly understood, the present invention will be described in further detail with reference to the following embodiments of the present invention, in conjunction with the accompanying drawings.

Fig. 1 is a schematic structural diagram of a first viewing angle of the present invention.

Fig. 2 is a schematic structural diagram of a second viewing angle of the present invention.

Fig. 3 is a schematic structural view of the rotating mechanism.

Fig. 4 is a partially exploded schematic view of a first perspective of a rotary mechanism.

Fig. 5 is a partially exploded schematic view of a second perspective of the rotary mechanism.

Fig. 6 is a schematic structural view of the rotary base.

Fig. 7 is a schematic structural diagram of a first view angle of the limiting mechanism.

Fig. 8 is a structural schematic diagram of a second view angle of the limiting mechanism.

Fig. 9 is a schematic structural view of the wire feeding mechanism.

The specification reference numbers indicate: 1. a rotation mechanism; 11. a servo motor; 12. a first gear; 13. a second gear; 14. a rotating base; 15. a protective cover; 2. a first limit mechanism; 21. a first cylinder; 22. a fixed seat; 23. a travel bar; 24. a sleeve; 25. a supporting seat; 3. a second limiting mechanism; 31. a second cylinder; 32. a first moving module; 33. a limiting seat; 4. a nut; 5. a wire feeding mechanism; 51. a third cylinder; 52. a second moving module; 53. a first gripping module; 54. a second gripping module; 6. and (4) conducting wires.

Detailed Description

The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.

The foregoing and other features, aspects and utilities of the present invention will be apparent from the following detailed description of the embodiments, which is to be read in connection with the accompanying drawings. Directional terms as referred to in the following examples, for example: up, down, left, right, front or rear, etc., are simply directions with reference to the drawings. Therefore, the directional terminology used is for the purpose of description and is not intended to be limiting, and moreover, like reference numerals will be used to refer to like elements throughout.

Referring to fig. 1 and 2, an automatic nut screwing device comprises

The rotating mechanism 1 comprises a servo motor 11, an output shaft of the servo motor 11 penetrates through a first gear 12, the first gear 12 and a second gear 13 are in meshed transmission, and the first gear 12 and the second gear 13 are both installed in a protective cover 15. The second gear 13 is sleeved on the outer wall of the rotating seat 14, the rotating seat 14 is clamped with the head of the nut 4, and the rotating seat 14 rotates to tighten the nut 4.

The first limiting mechanism 2 comprises a first air cylinder 21, a piston rod of the first air cylinder 21 is connected with a moving rod 23, the moving rod 23 axially penetrates through a sleeve 24, the sleeve 24 is clamped with a main body of the nut 4, and the piston rod of the first air cylinder 21 pushes the moving rod 23 to abut against the nut 4.

The second limiting mechanism 3 comprises a second cylinder 31, a piston rod of the second cylinder 31 is connected with a limiting seat 33, the piston rod of the second cylinder 31 pushes the limiting seat 33 to move horizontally, the limiting seat 33 moves in the direction away from the rotating seat 14 or in the direction that the limiting seat 33 is close to the rotating seat 14, and the second limiting mechanism 3 controls the distance between the first limiting mechanism 2 and the rotating mechanism 1.

And the wire feeding mechanism 5 is used for clamping and conveying the wire 6 to penetrate through the nut 4.

Referring to fig. 3 to 6, the sleeve 24 is mounted on one side of the fixed base 22, the piston rod of the first cylinder 21 passes through the fixed base 22 and is connected to the movable rod 23, and the supporting base 25 is mounted below the fixed base 22.

Referring to fig. 7 and 8, the second limiting mechanism 3 includes a second cylinder 31, a piston rod of the second cylinder 31 is connected to a limiting seat 33, the piston rod of the second cylinder 31 pushes the limiting seat 33 to move horizontally, the limiting seat 33 moves in a direction away from the rotating seat 14 or in a direction in which the limiting seat 33 approaches the rotating seat 14, and the second limiting mechanism 3 controls a distance between the first limiting mechanism 2 and the rotating mechanism 1.

The supporting seat 25 passes through the limiting seat 33, the bottom of the supporting seat 25 is mounted on the third sliding block, and the third sliding block is embedded in the third guide rail. When the limiting seat 33 retreats, the distance between the supporting seat 25 and the rotary seat 14 is enlarged, and when the limiting seat 33 advances, the distance between the supporting seat 25 and the rotary seat 14 is shortened.

The second limiting mechanism 3 further includes a first moving module 32, the first moving module 32 is installed below the limiting seat 33, the first moving module 32 includes at least one set of a first guide rail and a first sliding block which are embedded with each other, and the first sliding block is fixed at the bottom of the limiting seat 33.

As shown in fig. 9, the wire feeding mechanism 5 includes a third air cylinder 51, a piston rod of the third air cylinder 51 connects the first gripping module 53 and the second gripping module 54, the piston rod of the third air cylinder 51 pushes the first gripping module 53 and the second gripping module 54 to horizontally reciprocate, the first gripping module 53 grips the nut 4, and the second gripping module 54 grips the wire 6. The first clamping module 53 and the second clamping module 54 each comprise a pneumatic clamping jaw, the movable part of the pneumatic clamping jaw is connected with the clamp, the end part of the pneumatic clamping jaw is fixed above the sliding plate, the second moving module 52 is arranged below the sliding plate, and the sliding plate is connected with the piston rod of the third cylinder 51. The second moving module 52 includes at least one set of a second guide rail and a second sliding block, which are engaged with each other, and the second sliding block is fixed under the sliding plate.

The working principle of the utility model is as follows:

firstly, the wire 6 inserted with the nut 4 is conveyed to the nut screwing station through the wire feeding mechanism 5, specifically, the first clamping module 53 clamps the nut 4, the second clamping module 54 clamps the wire 6, the piston rod of the third air cylinder 51 contracts to drive the first clamping module 53 and the second clamping module 54 to move together along the second guide rail, and the wire 6 inserted with the nut 4 is conveyed to the rotating mechanism 1.

Next, the first gripper module 53 grips the nut 4 and puts it into the rotary base 14, the head of the nut 4 is engaged with the rotary base 14, and the body of the nut 4 passes through the sleeve 24 and is engaged with the sleeve.

Then, the servo motor 11 is operated, the output shaft of the servo motor 11 drives the first gear 12 to rotate, the first gear 12 and the second gear 13 are in meshing transmission, the second gear 13 drives the rotary base 14 to rotate, and the nut 4 is screwed.

At the same time, the piston rod of the first cylinder 21 pushes the moving rod 23 through the sleeve 24, abutting against the body of the nut 4,

in the process of screwing the nut 4, the piston rod of the second cylinder 31 extends or contracts to drive the limiting seat 33 to move in the direction far away from the rotating seat 14 or in the direction close to the rotating seat 14 along the first guide rail, the limiting seat 33 controls the distance between the first limiting mechanism 2 and the rotating mechanism 1, and the first limiting mechanism 2 is guaranteed to abut against the nut 4 in the action process of the rotating mechanism 1, so that the nut 4 is prevented from moving axially, and the nut 4 is prevented from being screwed in place.

In the description of the embodiments of the present invention, it should be further noted that unless explicitly stated or limited otherwise, the terms "disposed" and "connected" should be interpreted 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.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious changes and modifications can be made without departing from the scope of the invention.

Claims

1. The utility model provides an automatic twist nut device which characterized in that: comprises that

The rotating mechanism (1) comprises a servo motor (11), an output shaft of the servo motor (11) penetrates through a first gear (12), the first gear (12) and a second gear (13) are in meshing transmission, the second gear (13) is sleeved on the outer wall of a rotating seat (14), the rotating seat (14) is clamped with the head of the nut (4), and the nut (4) is screwed by the rotating seat (14) in a rotating mode;

first stop gear (2), including first cylinder (21), carriage release lever (23) is connected to the piston rod of first cylinder (21), sleeve (24) is passed to carriage release lever (23) axial, sleeve (24) joint the main part of nut (4), the piston rod of first cylinder (21) promotes carriage release lever (23) support tightly nut (4).

2. The automatic nut runner according to claim 1, further comprising: the sleeve (24) is installed on one side of the fixed seat (22), a piston rod of the first air cylinder (21) penetrates through the fixed seat (22) to be connected with the moving rod (23), and a supporting seat (25) is installed below the fixed seat (22).

3. The automatic nut screwing device according to claim 1, characterized in that: still include second stop gear (3), second stop gear (3) include second cylinder (31), spacing seat (33) are connected to the piston rod of second cylinder (31), the piston rod of second cylinder (31) promotes spacing seat (33) horizontal migration, spacing seat (33) are kept away from the direction motion of roating seat (14) or spacing seat (33) are close to the direction motion of roating seat (14), second stop gear (3) control first stop gear (2) with distance between rotary mechanism (1).

4. The automatic nut screwing device according to claim 3, wherein: the second limiting mechanism (3) further comprises a first moving module (32), and the first moving module (32) is installed below the limiting seat (33).

5. The automatic nut screwing device according to claim 4, wherein: the first moving module (32) comprises at least one group of first guide rail and first sliding block which are mutually embedded, and the first sliding block is fixed at the bottom of the limiting seat (33).

6. The automatic nut screwing device according to claim 1, characterized in that: the first gear (12) and the second gear (13) are both mounted in a protective cover (15).

7. The automatic nut screwing device according to claim 1, characterized in that: the wire feeding mechanism (5) is further included, and the wire feeding mechanism (5) clamps and conveys a wire (6) to penetrate through the nut (4).

8. The automatic nut screwing device according to claim 7, wherein: the wire feeding mechanism (5) comprises a third air cylinder (51), a piston rod of the third air cylinder (51) is connected with a first clamping module (53) and a second clamping module (54), the piston rod of the third air cylinder (51) pushes the first clamping module (53) and the second clamping module (54) to horizontally reciprocate, the first clamping module (53) clamps the nut (4), and the second clamping module (54) clamps the wire (6).

9. The automatic nut screwing device according to claim 8, wherein: the first clamping module (53) and the second clamping module (54) both comprise pneumatic clamping jaws, movable parts of the pneumatic clamping jaws are connected with the clamp, the end parts of the pneumatic clamping jaws are fixed on a sliding plate, a second moving module (52) is arranged below the sliding plate, and the sliding plate is connected with a piston rod of the third air cylinder (51).

10. The automatic nut screwing device according to claim 9, wherein: the second moving module (52) comprises at least one set of a second guide rail and a second sliding block which are mutually embedded, and the second sliding block is fixed below the sliding plate.