CN217122373U

CN217122373U - Air suction type lock nozzle

Info

Publication number: CN217122373U
Application number: CN202220900084.4U
Authority: CN
Inventors: 陈杰; 罗鹏辉; 郭廷山; 王宁
Original assignee: Jing Ke Shenzhen Robot Technology Co ltd
Current assignee: Jing Ke Shenzhen Robot Technology Co ltd
Priority date: 2022-04-19
Filing date: 2022-04-19
Publication date: 2022-08-05
Anticipated expiration: 2032-04-19

Abstract

The application relates to the technical field of screw locking equipment, in particular to an air suction type lock nozzle. The air suction type lock nozzle comprises an electric screwdriver head, a lock nozzle body, a shaft sleeve assembly, a replacement screwdriver head and a replacement suction nozzle, wherein the electric screwdriver head is fixedly connected with the lock nozzle body; the lock nozzle body, the shaft sleeve assembly and the replacement suction nozzle are enclosed together to form an air cavity, and the replacement batch head is positioned in the air cavity. The application provides a suction type lock nozzle can realize the quick replacement of replacing the suction nozzle and replacing the screwdriver head, easily guarantees the replacement screwdriver head and the coaxiality and the rotational degree of freedom of the replacing suction nozzle, and greatly improves the quality and the efficiency of screw locking.

Description

Air suction type lock nozzle

Technical Field

The application relates to the technical field of screw locking equipment, in particular to an air suction type lock nozzle.

Background

The automatic screw locking machine is typical nonstandard automation equipment, is often applied to the automatic assembly of automobile part production, computers, display screens, motors, lamps, mobile phones, printers, circuit boards, batteries, instruments and the like, can greatly improve the production efficiency, reduce the production cost and improve the production reliability. The automatic screw locking machine realizes the procedures of automatic conveying, screwing, detection and the like of screws through various electric and pneumatic components, simplifies the screw fastening process, and achieves the purposes of reducing the number of workers and reducing adverse factors caused by manual misoperation.

In an automatic screw locking machine, a screw tightening mechanism plays an important role. During actual production, a large number of screws with different models are often needed to be used for assembling electronic products or automobile parts, the screwdriver heads and the lock mouths with corresponding models are needed to be used for screwing the screws with different models, and the operation is very inconvenient when the lock mouths and the screwdriver heads are replaced by the conventional electric screwdriver locking mechanism.

SUMMERY OF THE UTILITY MODEL

In order to improve the problem that the lock nozzle and the screwdriver bit are not easy to replace when screws of different specifications are locked, the application provides the air suction type lock nozzle.

The application provides a formula of breathing in lock mouth adopts following technical scheme:

a suction type lock nozzle comprises an electric screwdriver head, a lock nozzle body, a shaft sleeve assembly, a replacement screwdriver head and a replacement suction nozzle, wherein the electric screwdriver head is fixedly connected with the lock nozzle body; the lock nozzle body, the shaft sleeve assembly and the replacement suction nozzle are enclosed together to form an air cavity, and the replacement bit is located in the air cavity.

By adopting the technical scheme, the shaft sleeve assembly and the replacement suction nozzle are detachably and fixedly connected, the replacement suction nozzle is firmly connected with the shaft sleeve assembly when the screw locking is carried out, the locking operation is conveniently and stably carried out, and the replacement suction nozzles of different models are conveniently and quickly replaced; when the replacement of different models is criticized the head in needs changing, at first dismantle the separation with lock mouth body and axle sleeve subassembly for the replacement is criticized the head and is no longer in the air cavity, and again will replace criticizing the head and dismantle the separation with the lock mouth body and change, and it is convenient to change easy operation, is favorable to realizing the quick replacement of replacing the suction nozzle and replacing the criticizing head, has greatly improved the efficiency that the screw lock was paid.

Preferably, a first fastening member is connected to the replacement suction nozzle in a threaded manner, and the replacement suction nozzle and the boss assembly are connected through the first fastening member.

Through adopting above-mentioned technical scheme, replacement suction nozzle and axle sleeve subassembly are through first fastener firm connection, and first fastener threaded connection is on the replacement suction nozzle, and the dismouting is very convenient.

Preferably, the shaft sleeve assembly comprises a lock nozzle shaft sleeve and a connecting shaft sleeve, the lock nozzle shaft sleeve is sleeved outside the connecting shaft sleeve and is in sliding connection with the connecting shaft sleeve, the connecting shaft sleeve is sleeved outside the replacement bit, and the replacement suction nozzle is connected with the connecting shaft sleeve through the first fastener; the air cavity is internally provided with a spring which is sleeved outside the replacement screwdriver head, one end of the spring is abutted against the lock nozzle body, the other end of the spring is abutted against the connecting shaft sleeve, the replacement suction nozzle is provided with an air suction port, and the replacement screwdriver head is opposite to the air suction port.

Through adopting above-mentioned technical scheme, the lock mouth axle sleeve cover is established outside the connecting axle sleeve and with connecting axle sleeve sliding connection, the both ends of spring respectively with lock mouth body and connecting axle sleeve butt, when the replacement suction nozzle absorption screw aimed at the screw hole downstream, the screw reverse action is in replacement suction nozzle and connecting axle sleeve for connecting axle sleeve and lock mouth axle sleeve take place relative slip, connecting axle sleeve compresses the spring immediately until the screw with replace the batch head complete coordination, can lock and pay, the spring can push down replacement suction nozzle and connecting axle sleeve, the reaction force that receives when buffering screw lock is paid.

Preferably, the lock nib axle sleeve includes outer axle sleeve and mounting, outer axle sleeve cover is established outside the mounting and with the mounting joint cooperation, the mounting cover is established outside the connecting axle sleeve and with connecting axle sleeve sliding fit.

By adopting the technical scheme, when the connecting shaft sleeve is assembled, the outer shaft sleeve is sleeved outside the connecting shaft sleeve, the position of the connecting shaft sleeve is not fixed at this time, the fixing piece is sleeved outside the connecting shaft sleeve in a sliding mode until the fixing piece and the outer shaft sleeve are in clamping fit, the position fixing of the connecting shaft sleeve is completed at this time, the position fixing of the connecting shaft sleeve is realized by utilizing the clamping fit of the fixing piece and the outer shaft sleeve, the operation is convenient and fast, the implementation and the assembly are easy, and the connecting shaft sleeve and the lock nozzle shaft sleeve do not need to be specially aligned.

Preferably, a second fastener is connected to the lock nozzle body in a threaded manner, and the replacement bit and the lock nozzle body are connected through the second fastener.

Through adopting above-mentioned technical scheme, head and lock mouth body are criticized in the replacement passes through the second fastener firm connection, and second fastener threaded connection is on the lock mouth body, and the dismouting is very convenient.

Preferably, the lock nozzle body comprises a bearing seat, a deep groove ball bearing and a connecting shaft piece, the deep groove ball bearing and the bearing seat are sequentially sleeved from inside to outside, and the connecting shaft piece is connected with the bearing seat through the deep groove ball bearing; the bearing frame with fixed connection can be dismantled to the axle sleeve subassembly, the electricity is criticized the head and is worn to establish in the bearing frame, even the axle piece with the electricity is criticized the head and can be dismantled fixed connection.

By adopting the technical scheme, the bearing seat and the connecting shaft piece are fixedly installed through the deep groove ball bearing, so that the coaxiality and the rotation freedom of the replacement batch head and the replacement suction nozzle can be guaranteed.

Preferably, the connecting shaft piece is provided with a first clamping groove and a second clamping groove which are coaxial, and the opening direction of the first clamping groove is opposite to the opening direction of the second clamping groove; the electric screwdriver bit is inserted in the first clamping groove, the replacement screwdriver bit is inserted in the second clamping groove, and the replacement screwdriver bit is connected with the connecting shaft piece through the second fastening piece.

By adopting the technical scheme, the electric screwdriver bit is inserted in the first clamping groove, and the replacement screwdriver bit is inserted in the second clamping groove, so that the coaxiality of the electric screwdriver bit and the replacement screwdriver bit is guaranteed, and the coaxiality of the electric screwdriver bit and the screw is further guaranteed.

Preferably, one end of the bearing seat close to the replacing batch head is detachably connected with a bearing pressing plate, and two opposite side surfaces of the deep groove ball bearing are respectively abutted to the bearing seat and the bearing pressing plate.

Through adopting above-mentioned technical scheme, the bearing clamp plate has fixed and supporting role to deep groove ball bearing, is favorable to guaranteeing the electricity to criticize the axiality of head and replacement criticizing the head.

Preferably, the shaft sleeve assembly is connected with a pneumatic connector, and the pneumatic connector is used for communicating the air cavity with a vacuum generating device.

Through adopting above-mentioned technical scheme, pneumatic joint communicates air cavity and vacuum generating device for form the negative pressure environment in the air cavity, be convenient for replace the suction nozzle and absorb the screw and lock and pay.

Preferably, the connecting sleeve and the fixing member are both made of QSn4-3 material.

By adopting the technical scheme, the connecting shaft sleeve and the fixing piece need frequent friction due to sliding connection, and the QSn4-3 material has excellent wear resistance, so that the wear can be reduced, and the service life of the connecting shaft sleeve and the fixing piece can be prolonged.

To sum up, compare with the correlation technique, the utility model discloses following beneficial effect has:

1. the utility model discloses a replacement suction nozzle and axle sleeve subassembly are connected to first fastener, adopt the second fastener to connect replacement batch head and lock mouth body, are favorable to realizing the quick replacement that replacement suction nozzle and replacement batch head, have greatly improved the efficiency that the screw lock was paid.

2. The utility model discloses set up the spring, the spring can push down replacement suction nozzle and connecting axle sleeve, the reaction force that receives when buffering screw lock is paid.

3. The utility model discloses the well bearing frame is fixed through deep groove ball bearing installation with even axle piece, is favorable to guaranteeing the replacement and criticizes the axiality and the rotatory degree of freedom of head and replacement suction nozzle, is favorable to improving the quality that the screw lock was paid.

Drawings

FIG. 1 is a schematic view of the overall structure of a suction lock nozzle.

FIG. 2 is a cross-sectional view of a suction lock nib.

Description of reference numerals: 1. electric screwdriver bits; 2. a lock nozzle body; 3. a bushing assembly; 4. replacing the batch head; 5. replacing the suction nozzle; 6. an air cavity; 7. a bearing seat; 8. a deep groove ball bearing; 9. a coupling member; 10. a bearing pressure plate; 11. a first clamping groove; 12. a second clamping groove; 13. a second fastener; 14. a lock cylinder sleeve; 15. a connecting shaft sleeve; 16. an outer sleeve; 17. a fixing member; 18. a pneumatic joint; 19. a first fastener; 20. an air suction port; 21. a spring.

Detailed Description

The present application is described in further detail below with reference to the attached drawing figures.

Referring to fig. 1 and 2, the embodiment of the application discloses a suction type lock nozzle, which comprises an electric screwdriver head 1, a lock nozzle body 2, a shaft sleeve assembly 3, a replacement screwdriver head 4 and a replacement suction nozzle 5.

Referring to fig. 2, criticizing first 1 through the control rotation is criticized to the electricity, criticizing first 1 and lock nozzle body 2 fixed connection to the electricity, fixed connection can be dismantled to axle sleeve subassembly 3 and lock nozzle body 2, and fixed connection can be dismantled with lock nozzle body 2 to first 4 is criticized in the replacement, and fixed connection can be dismantled with axle sleeve subassembly 3 to replacement suction nozzle 5. The lock nozzle body 2, the shaft sleeve component 3 and the replacement nozzle 5 jointly enclose to form an air cavity 6, and the replacement bit 4 is positioned in the air cavity 6.

Referring to fig. 2, the lock nozzle body 2 comprises a bearing seat 7, a deep groove ball bearing 8 and a connecting shaft piece 9, the deep groove ball bearing 8 and the bearing seat 7 are sequentially sleeved from inside to outside, and the connecting shaft piece 9 and the bearing seat 7 are connected through the deep groove ball bearing 8, so that coaxiality and rotational freedom of the replacement batch head 4 and the replacement suction nozzle 5 are guaranteed.

Referring to fig. 2, the bearing seat 7 and the shaft sleeve assembly 3 are detachably and fixedly connected through four screws, and the electric screwdriver bit 1 is arranged in the bearing seat 7 in a penetrating manner. One end of the bearing seat 7 close to the replacement batch head 4 is detachably connected with a bearing pressing plate 10 through four screws, two opposite side faces of the deep groove ball bearing 8 are respectively abutted against the bearing seat 7 and the bearing pressing plate 10, and the bearing seat 7 and the bearing pressing plate 10 play a role in fixing and supporting the deep groove ball bearing 8, so that the coaxiality of the batch head 1 and the replacement batch head 4 can be guaranteed.

Referring to fig. 2, the coupling member 9 is cylindrical, a first clamping groove 11 and a second clamping groove 12 which are coaxial are formed in the coupling member 9, the first clamping groove 11 is a cylindrical groove, the second clamping groove 12 is a hexagonal groove, and an opening direction of the first clamping groove 11 is opposite to an opening direction of the second clamping groove 12. The electric screwdriver bit 1 is inserted into the first clamping groove 11, and the electric screwdriver bit 1 and the connecting shaft part 9 are fixedly connected through a screw. The side wall of the connecting shaft 9 is in threaded connection with a second fastener 13, the second fastener 13 is a bead screw, the replacing bit 4 is inserted into the second clamping groove 12, the replacing bit 4 is connected with the connecting shaft 9 through the second fastener 13, and the connecting shaft is very convenient to disassemble and assemble. The electric screwdriver bit 1 is inserted in the first clamping groove 11, the replacing screwdriver bit 4 is inserted in the second clamping groove 12, and therefore coaxiality of the electric screwdriver bit 1 and the replacing screwdriver bit 4 is guaranteed, and coaxiality of the electric screwdriver bit 1 and a screw is guaranteed.

Referring to fig. 2, the sleeve assembly 3 includes a fore shaft sleeve 14 and a connecting sleeve 15, and the fore shaft sleeve 14 is composed of an outer sleeve 16 and a fixing member 17. The connecting shaft sleeve 15 is sleeved outside the replacing screwdriver head 4, the fixing piece 17 is sleeved outside the connecting shaft sleeve 15 and is in sliding fit with the connecting shaft sleeve 15, and the outer shaft sleeve 16 is sleeved outside the fixing piece 17 and is in clamping fit with the fixing piece 17. During assembly, the outer shaft sleeve 16 is sleeved outside the connecting shaft sleeve 15, the position of the connecting shaft sleeve 15 is not fixed at this time, the fixing piece 17 is sleeved outside the connecting shaft sleeve 15 in a sliding mode until the fixing piece 17 is matched with the outer shaft sleeve 16 in a clamping mode, the position of the connecting shaft sleeve 15 is fixed at this time, the fixing piece 17 is matched with the outer shaft sleeve 16 in the clamping mode to fix the position of the connecting shaft sleeve 15, operation is convenient, implementation and assembly are easy, and the connecting shaft sleeve 15 and the lock nozzle shaft sleeve 14 do not need to be specially aligned. The connecting sleeve 15 and the fixing member 17 require frequent friction due to sliding connection, and the connecting sleeve 15 and the fixing member 17 are both made of QSn4-3 material with excellent wear resistance, so that the wear can be reduced, and the service life of the connecting sleeve 15 and the fixing member 17 can be prolonged.

Referring to fig. 2, the outer sleeve 16 is detachably and fixedly connected with the bearing seat 7 through four screws, and the connecting sleeve 15 is detachably and fixedly connected with the replacement suction nozzle 5. The outer shaft sleeve 16 is in threaded connection with a pneumatic connector 18, and the pneumatic connector 18 is used for communicating the air cavity 6 with an external vacuum generating device, so that a negative pressure environment is formed in the air cavity 6, and the replacement suction nozzle 5 can conveniently suck screws to lock. The pneumatic connector 18 is connected with a vacuum generating device to generate negative pressure in the air cavity 6, the replacement suction nozzle 5 sucks the screw to lock, the lock nozzle moves downwards after the axis above the threaded hole is aligned, the lock nozzle continues to move downwards after the screw contacts the threaded hole, the screw passes through the replacement suction nozzle 5 and the connecting shaft sleeve 15 to compress the spring 21 until the screw contacts the replacement batch head 4, the electric batch starts to rotate in the downward movement process to drive the electric batch head 1 and the replacement batch head 4 to rotate, so that the front end of the replacement batch head 4 is aligned with the screw head groove, and then the replacement batch head 4 drives the screw to rotate continuously downwards to start locking until the locking is completed.

Referring to fig. 1 and 2, a first fastening member 19 is threadedly connected to a side wall of the replacement suction nozzle 5, the first fastening member 19 is a wave ball screw, and the replacement suction nozzle 5 is sleeved outside the connecting shaft sleeve 15 and connected with the connecting shaft sleeve 15 through the first fastening member 19. An air suction port 20 is formed in the replacement suction nozzle 5, and the replacement bit 4 is opposite to the air suction port 20, so that the screw and the replacement bit 4 can be matched to lock after the suction nozzle sucks the screw.

Referring to fig. 2, a spring 21 is arranged in the air cavity 6, the spring 21 is sleeved outside the connecting shaft 9 and the replacing bit 4, one end of the spring 21 abuts against the lower surface of the bearing pressing plate 10, and the other end of the spring 21 abuts against the upper surface of the connecting shaft sleeve 15. When the replacement suction nozzle 5 sucks the screw to move downwards in alignment with the threaded hole, the screw reversely acts on the replacement suction nozzle 5 and the connecting shaft sleeve 15, so that the connecting shaft sleeve 15 and the lock nozzle shaft sleeve 14 slide relatively, the connecting shaft sleeve 15 compresses the spring 21 immediately until the screw is completely matched with the replacement bit 4, locking can be performed, the spring 21 can press the replacement suction nozzle 5 and the connecting shaft sleeve 15, and the reaction force applied to the screw during locking is buffered.

The implementation principle of the embodiment is as follows: when replacing the replacing screwdriver heads 4 with different models, firstly, detaching and separating the screwdriver head body 2 and the shaft sleeve assembly 3 to ensure that the replacing screwdriver heads 4 are no longer positioned in the air cavity 6, and then unscrewing the bobble screw to detach and separate the replacing screwdriver heads 4 and the screwdriver head body 2 for replacement; when the replacement suction nozzle 5 of different models needs to be replaced, the beads screw is unscrewed to detach and separate the replacement suction nozzle 5 and the connecting shaft sleeve 15 for replacement, the replacement operation is simple and convenient, the replacement suction nozzle 5 and the replacement batch head 4 can be replaced quickly and conveniently, and the screw locking efficiency is greatly improved.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. An air suction type lock nozzle is characterized in that: the electric screwdriver comprises an electric screwdriver head (1), a lock nozzle body (2), a shaft sleeve assembly (3), a replacement screwdriver head (4) and a replacement suction nozzle (5), wherein the electric screwdriver head (1) is fixedly connected with the lock nozzle body (2), the shaft sleeve assembly (3) is detachably and fixedly connected with the lock nozzle body (2), the replacement screwdriver head (4) is detachably and fixedly connected with the lock nozzle body (2), and the replacement suction nozzle (5) is detachably and fixedly connected with the shaft sleeve assembly (3); the lock nozzle body (2), the shaft sleeve assembly (3) and the replacement suction nozzle (5) jointly enclose to form an air cavity (6), and the replacement batch head (4) is located in the air cavity (6).

2. A suction lock nib in accordance with claim 1, wherein: the replacement suction nozzle (5) is connected with a first fastening piece (19) in a threaded mode, and the replacement suction nozzle (5) is connected with the shaft sleeve assembly (3) through the first fastening piece (19).

3. A suction lock nib in accordance with claim 2, wherein: the shaft sleeve assembly (3) comprises a lock nozzle shaft sleeve (14) and a connecting shaft sleeve (15), the lock nozzle shaft sleeve (14) is sleeved outside the connecting shaft sleeve (15) and is in sliding connection with the connecting shaft sleeve (15), the connecting shaft sleeve (15) is sleeved outside the replacement bit (4), and the replacement suction nozzle (5) is connected with the connecting shaft sleeve (15) through a first fastening piece (19); the air cavity (6) is internally provided with a spring (21), the spring (21) is sleeved outside the replacement screwdriver head (4), one end of the spring (21) is abutted to the lock nozzle body (2), the other end of the spring (21) is abutted to the connecting shaft sleeve (15), an air suction port (20) is formed in the replacement suction nozzle (5), and the replacement screwdriver head (4) is opposite to the air suction port (20).

4. A suction lock nib in accordance with claim 3, wherein: lock mouth axle sleeve (14) are including outer axle sleeve (16) and mounting (17), outer axle sleeve (16) cover is established outside mounting (17) and with mounting (17) joint cooperation, mounting (17) cover is established connect axle sleeve (15) outside and with connect axle sleeve (15) sliding fit.

5. A suction lock nib in accordance with claim 1, wherein: the lock nozzle body (2) is connected with a second fastening piece (13) in a threaded mode, and the replacing screwdriver head (4) is connected with the lock nozzle body (2) through the second fastening piece (13).

6. A suction lock nib in accordance with claim 5, wherein: the lock nozzle body (2) comprises a bearing seat (7), a deep groove ball bearing (8) and a connecting shaft piece (9), the deep groove ball bearing (8) and the bearing seat (7) are sequentially sleeved from inside to outside, and the connecting shaft piece (9) is connected with the bearing seat (7) through the deep groove ball bearing (8); bearing frame (7) with fixed connection can be dismantled in axle sleeve subassembly (3), the electricity is criticized first (1) and is worn to establish in bearing frame (7), even axle (9) with fixed connection can be dismantled in the electricity criticizing first (1).

7. A suction lock nib in accordance with claim 6, wherein: a first clamping groove (11) and a second clamping groove (12) which are coaxial are formed in the connecting shaft piece (9), and the opening direction of the first clamping groove (11) is opposite to the opening direction of the second clamping groove (12); the electric batch head (1) is inserted into the first clamping groove (11), the replacement batch head (4) is inserted into the second clamping groove (12), and the replacement batch head (4) is connected with the connecting shaft piece (9) through the second fastening piece (13).

8. A suction lock nib in accordance with claim 6, wherein: one end, close to the replacement batch head (4), of the bearing seat (7) is detachably connected with a bearing pressing plate (10), and two opposite side faces of the deep groove ball bearing (8) are respectively abutted to the bearing seat (7) and the bearing pressing plate (10).

9. A suction lock nib in accordance with claim 1, wherein: the shaft sleeve assembly (3) is connected with a pneumatic connector (18), and the pneumatic connector (18) is used for communicating the air cavity (6) with a vacuum generating device.

10. A suction lock nib in accordance with claim 4, wherein: the connecting shaft sleeve (15) and the fixing piece (17) are both made of QSn4-3 materials.