CN216912860U

CN216912860U - Screw screwing equipment

Info

Publication number: CN216912860U
Application number: CN202122941062.0U
Authority: CN
Inventors: 郭智明
Original assignee: Suzhou Cihai Electromechanical Equipment Co ltd
Current assignee: Suzhou Cihai Electromechanical Equipment Co ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-07-08
Anticipated expiration: 2031-11-26

Abstract

The utility model discloses a screwing device which comprises a screw feeding vibration disc and a nut feeding vibration disc which are positioned on the same side of a dislocation mechanism; the dislocation mechanism comprises a nut cylinder and a screw cylinder which are oppositely arranged, the screw cylinder is higher than the nut cylinder, and the nut cylinder and the screw cylinder can respectively push the nut and the screw to a tightening station in the middle of the dislocation mechanism so that the screw is positioned above the nut; a pushing assembly is further arranged on one side of the dislocation mechanism, and a push rod of the pushing assembly can clamp the nut; the motor lock head is arranged above the dislocation mechanism and used for driving the screw to rotate and screwing the screw on the nut, and the top of the motor lock head is provided with a linear module used for driving the motor lock head to lift. The screw screwing equipment is compact in structure, and the assembling efficiency of the screw and the nut is improved.

Description

Screw screwing equipment

Technical Field

The utility model relates to a screw screwing device.

Background

In the prior art, the screws and the nuts are installed by adopting electric screws, and generally, an operator holds an electric screwdriver to tighten the screws on the nuts, so that the installation operation efficiency of the screws and the nuts is low. In order to improve the efficiency, automatic screw locking equipment has appeared, and the screw and the nut that will treat the equipment are transported to the station of screwing up respectively to utilize the manipulator, utilize the motor tapered end to lock. Due to the fact that the manipulator is used for feeding, when the motor lock head is fed by the manipulator, the motor lock head needs to be avoided, and enough operation space is reserved. The structure of this design is not compact, and area is big, and owing to utilize the manipulator to feed on one by one, its efficiency is not high.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects, the utility model aims to provide a screw screwing device which has a compact structure and improves the assembly efficiency of screws and nuts.

In order to achieve the purpose, the utility model adopts the technical scheme that: a screwing apparatus comprising: the screw feeding vibration disc and the nut feeding vibration disc are positioned on the same side of the dislocation mechanism; the dislocation mechanism comprises a nut cylinder and a screw cylinder which are oppositely arranged, the screw cylinder is higher than the nut cylinder, and the nut cylinder and the screw cylinder can respectively push the nut and the screw to a tightening station in the middle of the dislocation mechanism so that the screw is positioned above the nut; a pushing assembly is further arranged on one side of the dislocation mechanism, and a push rod of the pushing assembly can clamp the nut; and a motor lock head used for driving the screw to rotate and screwing the screw on the nut is arranged above the dislocation mechanism, and a linear module used for driving the motor lock head to lift is arranged at the top of the motor lock head.

The screw screwing equipment has the advantages that the screw feeding vibration disc feeds screws to the dislocation mechanism, the nut feeding vibration disc feeds nuts to the dislocation mechanism, the nut cylinder and the screw cylinder of the dislocation mechanism respectively feed the nuts and the screws to the screwing station, the push rod of the material pushing assembly clamps the nuts, the linear module controls the motor lock head to descend to rotate the screws and clamp the screws on the nuts, the screws are automatically fed and locked, the machining efficiency is improved, the screws and the nuts are respectively fed by utilizing the matching of the screw feeding vibration disc and the nut cylinder and the matching of the nut feeding vibration disc and the nut cylinder, the structure is compact, the feeding efficiency is improved, and the assembly efficiency of the screws and the nuts is further improved.

Preferably, the dislocation mechanism includes the supporting seat, nut cylinder, screw cylinder set up the both ends at the supporting seat, the telescopic link tip of nut cylinder is provided with spacing arch, be provided with spacing recess on the supporting seat, spacing arch can insert spacing recess. Spacing arch sets up with the cooperation of spacing recess, and when the nut cylinder transferred the nut to screwing up the station, spacing arch inserted spacing recess plays the positioning action, avoids pressing from both sides the nut tight when the telescopic link tip at the nut cylinder because of the push rod, forces nut cylinder telescopic link tip to move outward, avoids taking place unable clamping nut's phenomenon.

The improved structure is characterized in that the tightening station is positioned on the supporting seat, the bottom of the tightening station is provided with a hollow, a collecting barrel is arranged below the hollow, one side of the hollow is provided with a supporting plate in a sliding manner, the supporting plate is driven by a supporting plate cylinder, and the hollow can be sealed by the supporting plate. The collecting vessel below the fretwork can directly collect the installed product, when the backup pad moves to seal when the fretwork is empty, the motor tapered end screws the screw on the nut, when screwing up screw, nut back, the backup pad passes through backup pad cylinder drive, opens the fretwork, presss from both sides tight screw nut and drops the collecting vessel as below.

Preferably, a nut clamping groove for accommodating a nut is formed in the end portion of the telescopic rod of the nut air cylinder, when the nut air cylinder drives the nut to be pushed to the tightening station, the push rod of the pushing assembly moves towards the nut clamping groove, and a fastening groove for clamping the nut is formed. Form the fastening groove through push rod and nut draw-in groove, the clamp nut that can be better can not become flexible.

The screw clamping groove is used for accommodating a screw, a clamping block of the screw clamping groove is rotatably arranged on the screw clamping groove through a torsion spring, and the clamping block forces the screw to be clamped into the screw clamping groove through the elasticity of the torsion spring. Because the screw when the installation, the drive through the motor tapered end can rotate, will guarantee by the screw centre gripping of material loading to the tightening station, and have certain rotation space, consequently, utilize the cooperation of fixture block and torsional spring, provide the convenient condition for the rotation of screw.

Preferably, the inner sides of the clamping blocks and the inner sides of the screw clamping grooves are provided with limiting blocks, and when the clamping blocks lean against the screw clamping grooves through the elasticity of the torsion springs, the two limiting blocks are in a vertical state. The two limiting blocks ensure that the clamping block cannot excessively rotate towards the direction of the screw clamping groove, and a processed screw can smoothly enter the clamping groove formed by the clamping block and the screw clamping groove.

Preferably, the material pushing assembly comprises a base, a push rod cylinder is fixed on the base, a telescopic shaft of the push rod cylinder is fixedly connected with a push rod, and a buffer is arranged between the base and the push rod to provide a buffering effect for the push rod cylinder.

Preferably, a groove is formed in a lock head of the motor lock head, the groove is axially arranged along the lock head, the lock head is coated with rubber, and the rubber covers the groove. The contact area between the nut and the product is increased, and the nut is screwed on the screw conveniently.

Drawings

FIG. 1 is a perspective view of a first perspective of the present embodiment;

FIG. 2 is a partial enlarged view of the embodiment at A;

FIG. 3 is a perspective view of the second embodiment from a second perspective;

FIG. 4 is a perspective view of the nut cylinder of the present embodiment;

FIG. 5 is a perspective view of the screw being clamped in the screw slot by the clamping block of the present embodiment;

FIG. 6 is a perspective view of the clamping block and the screw of the present embodiment in clamping engagement;

fig. 7 is a perspective view of the pusher assembly of this embodiment.

Detailed Description

The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the utility model easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the utility model.

Referring to fig. 1 to 7, a screwing apparatus of the present embodiment includes: the device comprises a screw feeding vibration disc 10, a nut feeding vibration disc 20, a dislocation mechanism 30, a pushing assembly 40 and a motor lock head 50.

Screw material loading vibration dish 10, nut material loading vibration dish 20 are located the homonymy of dislocation mechanism 30, and screw material loading vibration dish 10 sends the screw to dislocation mechanism 30, and nut material loading vibration dish 20 sends the nut to dislocation mechanism 30.

The dislocation mechanism 30 comprises a nut cylinder 31, a screw cylinder 32 and a support seat 34 which are oppositely arranged, the screw cylinder 32 is higher than the nut cylinder 31, the nut cylinder 31 and the screw cylinder 32 are arranged at two ends of the support seat 34, a limit protrusion 35 is arranged at the end part of an expansion link of the nut cylinder 31, a limit groove 36 is arranged on the support seat 34, and the limit protrusion 35 can be inserted into the limit groove 36. The nut air cylinder 31 and the screw air cylinder 32 can respectively push nuts and screws to a screwing station 33 in the middle of the dislocation mechanism 30, the screwing station 33 is located on the supporting seat 34, at the moment, the screws are located above the nuts, and when the nut air cylinder 31 transfers the nuts to the screwing station 33, the limiting protrusions 35 are inserted into the limiting grooves 36. The end part of the telescopic rod of the nut cylinder 31 is provided with a nut clamping groove 38 for arranging the nut, when the nut cylinder 31 drives the nut to be pushed to the tightening station 33, the push rod 41 of the material pushing assembly 40 moves towards the nut clamping groove 38 to form a fastening groove for clamping the nut. Form the fastening groove through push rod and nut draw-in groove, the clamp nut that can be better can not become flexible. The end of the telescopic rod of the screw cylinder 32 is provided with a screw slot 39 for accommodating a screw, a fixture block 310 of the screw slot 39 is rotatably arranged on the screw slot 39 through a torsion spring, and the fixture block 310 forces the screw to be clamped into the screw slot 39 through the elasticity of the torsion spring. Because the screw when the installation, the drive through the motor tapered end can rotate, will guarantee by the screw centre gripping of material loading to the tightening station, and have certain rotation space, consequently, utilize the cooperation of fixture block and torsional spring, provide the convenient condition for the rotation of screw. The inner sides of the latch 310 and the screw locking groove 39 are provided with a limiting block 311, and when the latch 310 leans against the screw locking groove 39 through the elasticity of the torsion spring, the two limiting blocks 311 are in a vertical state. The two limiting blocks ensure that the clamping block cannot excessively rotate towards the direction of the screw clamping groove, and the processed screw can smoothly enter the clamping groove formed by the clamping block 310 and the screw clamping groove 39.

The pushing assembly 40 is arranged on one side of the dislocation mechanism 30, a push rod 41 of the pushing assembly 40 is used for clamping a nut, the pushing assembly 40 comprises a base 42 and a push rod 41, a push rod cylinder 43 is fixed on the base 42, a telescopic shaft of the push rod cylinder 43 is fixedly connected with the push rod 41, and a buffer 44 is arranged between the base 42 and the push rod 41 and provides a buffer effect for the push rod cylinder. In this embodiment, the end of the push rod 41 is formed with a clamping groove 45 that mates with a nut.

The motor lock head 50 is arranged above the dislocation mechanism 30, the motor lock head 50 is used for driving a screw to rotate and screwing the screw on a nut at the screwing station 33, a linear module 51 used for driving the motor lock head 50 to ascend and descend is arranged at the top of the motor lock head 50, and the linear module 51 is used for driving the motor lock head 50 to ascend and descend.

Wherein, for the convenience of collecting the screwed screw cap, fretwork 37 has been seted up to the bottom of screwing up station 33, and fretwork 37 below is provided with collecting vessel 60, and one side of fretwork 37 slides and is provided with backup pad 70, and backup pad 70 is driven by backup pad cylinder 71, and backup pad 70 can seal fretwork 37. The collecting vessel of fretwork below can directly collect the product of installing, and when backup pad 70 removed to sealing fretwork 37, the motor tapered end was screwed up the screw on the nut, and when screwing up screw, nut back, backup pad 70 passed through backup pad cylinder 71 drive, opened fretwork 37, and the screw nut who presss from both sides tightly drops to collecting vessel 60 of fretwork below.

The tapered end of motor tapered end 50 in this embodiment is last to be provided with the recess, and the recess sets up along the tapered end axial, and the cladding has rubber on the tapered end, and rubber covers the recess, increases the area of contact of tapered end and product.

Working principle of the embodiment

During the use, the nut is delivered to the screwing station 33 first to the nut clamping groove 38 at the end part of the telescopic shaft of the nut cylinder 31, at the moment, the push rod cylinder 43 drives the push rod 41 to move towards the nut clamping groove 38, the nut is clamped, the screw is delivered to the screwing station 33 by the clamping groove formed by the clamping block 310 and the screw clamping groove 39 at the end part of the telescopic shaft of the screw cylinder 32, the screw is located above the nut, the motor lock head 50 is driven to descend by the linear module, the lock head of the motor lock head 50 drives the screw to rotate, the screw is screwed on the nut, and the screwing operation is completed.

After the screw and the nut are screwed, the screw cylinder 32 drives the telescopic shaft to retract, the clamping block 310 rotates outwards, the clamping groove is separated from the screw, and the clamping groove is reset to the discharge hole of the screw feeding vibration disc 10. The push rod cylinder 43 drives the push rod 41 to retract, the locked screws and nuts are not clamped any more at the moment, the screws and the nuts fall to the collecting barrel 60 from the hollow part, and the nut cylinder 31 retracts to wait for the next group of nuts and screws to be screwed down.

The above embodiments are merely illustrative of the technical concept and features of the present invention, and the present invention is not limited thereto, and any equivalent changes or modifications made according to the spirit of the present invention should be included in the scope of the present invention.

Claims

1. A screwing apparatus, characterized by comprising:

the screw feeding vibration disc (10) and the nut feeding vibration disc (20) are positioned on the same side of the dislocation mechanism (30);

the dislocation mechanism (30) comprises a nut air cylinder (31) and a screw air cylinder (32) which are oppositely arranged, the screw air cylinder (32) is higher than the nut air cylinder (31), and the nut air cylinder (31) and the screw air cylinder (32) can respectively push a nut and a screw to a screwing station (33) in the middle of the dislocation mechanism (30), so that the screw is positioned above the nut;

a pushing assembly (40) is further arranged on one side of the dislocation mechanism (30), and a push rod (41) of the pushing assembly (40) can clamp the nut;

a motor lock head (50) for driving the screw to rotate and to be screwed on the nut is arranged above the dislocation mechanism (30), and a linear module (51) for driving the motor lock head (50) to ascend and descend is arranged at the top of the motor lock head (50).

2. The screwing apparatus according to claim 1, wherein: dislocation mechanism (30) are including supporting seat (34), nut cylinder (31), screw cylinder (32) set up the both ends at supporting seat (34), the telescopic link tip of nut cylinder (31) is provided with spacing arch (35), be provided with spacing recess (36) on supporting seat (34), spacing arch (35) can insert spacing recess (36).

3. The screwing apparatus according to claim 2, wherein: screw up station (33) and be located supporting seat (34), fretwork (37) have been seted up to the bottom of screwing up station (33), fretwork (37) below is provided with collecting vessel (60), one side slip of fretwork (37) is provided with backup pad (70), backup pad (70) are driven by backup pad cylinder (71), backup pad (70) can seal fretwork (37).

4. The screwing apparatus according to claim 2, wherein: the nut clamping groove (38) for arranging the nut is formed in the end portion of the telescopic rod of the nut air cylinder (31), when the nut air cylinder (31) drives the nut to be pushed to the tightening station (33), the push rod (41) of the pushing assembly (40) moves towards the nut clamping groove (38), and a fastening groove for clamping the nut is formed.

5. The screwing apparatus according to claim 2, wherein: the screw clamping groove (39) for arranging the screw is arranged at the end part of the telescopic rod of the screw cylinder (32), the clamping block (310) of the screw clamping groove (39) is arranged on the screw clamping groove (39) in a rotating mode through a torsion spring, and the clamping block (310) forces the screw to be clamped into the screw clamping groove (39) through the elasticity of the torsion spring.

6. The screwing apparatus according to claim 5, wherein: the inner sides of the clamping blocks (310) and the inner sides of the screw clamping grooves (39) are respectively provided with a limiting block (311), and when the clamping blocks (310) lean against the screw clamping grooves (39) through the elasticity of the torsion springs, the two limiting blocks (311) are in a vertical state.

7. The screwing apparatus according to claim 1, wherein: the material pushing assembly (40) comprises a base (42), a push rod cylinder (43) is fixed on the base (42), a telescopic shaft of the push rod cylinder (43) is fixedly connected with a push rod (41), and a buffer (44) is arranged between the base (42) and the push rod (41).

8. The screwing apparatus according to claim 1, wherein: the motor lock head is characterized in that a groove is formed in the lock head of the motor lock head (50), the groove is axially formed in the lock head, rubber is coated on the lock head, and the groove is covered by the rubber.

9. The screwing apparatus according to claim 1, wherein: the end of the push rod (41) is formed with a clamping groove (45) matched with the nut.