CN217114161U - Automatic assembling production line for keycaps of mechanical keyboards - Google Patents

Abstract

The application relates to an automatic assembling production line of keycaps of mechanical keyboards, which comprises a rack, wherein an assembling mechanism is arranged on the rack and sequentially comprises a conveying part for conveying a keycap base, a spring assembling part, an upper cover assembling part and a discharging part; spring assembly portion is including carrying the pipe, and the spring is carried to the key cap base along carrying the pipe on, and upper cover assembly portion equipment upper cover casing and key head form the key cap upper cover, and the key cap upper cover removes and installs on the key cap base that is equipped with the spring. According to the spring blanking device, the spring is conveyed to the keycap base through the conveying circular tube, so that the spring blanking process is more controllable, the spring can be kept vertical in a falling state, and the assembly process is more convenient and faster; after assembling the upper cover shell and the key head, the key cap is assembled to the keyboard base with the spring, the efficiency of key cap assembly is effectively improved, therefore, manual assembly is replaced by an automatic production line, and the labor cost is saved while the work efficiency is also improved.

Description

Automatic assembling production line for keycaps of mechanical keyboards

Technical Field

The application relates to the technical field of assembly lines, especially, relate to an automatic assembly line of machinery keyboard key cap.

Background

The equipment of present mechanical keyboard key cap is assembled by the manual step by step of workman, and the explosive structure of current key cap main part 0 is shown in fig. 1, includes upper cover casing 011, key-head 012, spring 02 and key cap base 03 from last to down in proper order, and upper cover casing 011 and key-head 012 equipment form key cap upper cover 01.

Because each part size of key cap is less, and the manual assembly degree of difficulty is big, and this just leads to in the key cap equipment process, and the human cost consumes greatly, and work efficiency is low, consequently still remains to improve.

SUMMERY OF THE UTILITY MODEL

In order to improve the work efficiency of mechanical keyboard key cap installation, this application provides a mechanical keyboard key cap automatic assembly production line.

The application provides a mechanical keyboard key cap automatic assembly production line adopts following technical scheme:

an automatic assembling production line for keycaps of mechanical keyboards comprises a rack, wherein an assembling mechanism is arranged on the rack and sequentially comprises a conveying part for conveying a keycap base, a spring assembling part, an upper cover assembling part and a discharging part; spring assembly portion is including carrying the pipe, and the spring is followed carry on the pipe carries to the key cap base, upper cover assembly portion equipment upper cover casing and key head form the key cap upper cover, and the key cap upper cover removes and installs on the key cap base that is equipped with the spring.

By adopting the technical scheme, the spring is conveyed to the keycap base by the round conveying pipe, so that the blanking process of the spring is more controllable, the falling state of the spring can be kept vertical, and the assembly process is more convenient; after assembling the upper cover shell and the key head, the key cap is assembled to the keyboard base with the spring, the efficiency of key cap assembly is effectively improved, therefore, manual assembly is replaced by an automatic production line, and the labor cost is saved while the work efficiency is also improved.

Preferably, the spring assembly portion still includes second lift cylinder and the supporting seat that is gone up and down by the drive of second lift cylinder, set up the groove of stepping down in the supporting seat, be fixed with the second vibration dish in the frame, carry the pipe to connect output spring on the second vibration dish, just carry the pipe to be fixed in the below of groove department of stepping down in the supporting seat and wearing to locate the supporting seat, be equipped with positioning spring's location structure in the supporting seat.

Preferably, the positioning structure comprises a positioning column fixed on the rack and positioned in the yielding groove and a rotating plate rotatably connected to the positioning column, a penetrating hole is formed in the side wall of the circular conveying pipe, the upper end and the lower end of the side wall, close to the penetrating hole, of the rotating plate respectively extend to form an extending block and an abutting block which can be inserted into the penetrating hole, and the extending block and the abutting block can move at the penetrating hole; the lateral wall of butt joint piece forms from last to down towards the inclined plane that extends near the conveying pipe direction, and the spring butt is on the inclined plane.

Preferably, the upper cover assembly part comprises a mounting seat fixed on the rack, and a key head conveying rail and an upper cover conveying rail which are oppositely and staggeredly arranged on two sides of the mounting seat, and the key head conveying rail is positioned below the upper cover conveying rail; the key head conveying rail extends to the push plate, and the push plate pushes the key head to the upper cover conveying rail; the rack is provided with a third lifting cylinder and a lifting seat driven by the third lifting cylinder to lift, the lifting seat is connected with a connecting sleeve through a movable structure, and the connecting sleeve is arranged in the mounting seat in a penetrating manner and can be sleeved on the top of the key head to be clamped and positioned; when the connecting sleeve moves upwards, the key head moves upwards to be matched with the upper cover shell to assemble the key cap upper cover; the lifting seat is provided with a pneumatic clamping jaw, and the pneumatic clamping jaw is used for clamping the key cap upper cover and assembling the key cap base with the spring to form a key cap main body.

Preferably, the movable structure comprises a matching rack fixed on the rack, a rotating gear arranged on the lifting seat and a lifting rack movably connected to the lifting seat, and two sides of the rotating gear are respectively meshed with the matching rack and the lifting rack; the lifting rack is fixed on the connecting sleeve, when the lifting seat descends, the rotating gear rotates anticlockwise, and the lifting rack and the connecting sleeve descend.

Preferably, an installation cavity is formed in the installation seat, the push plate is installed in the installation cavity, a first driving cylinder is installed on the rack, and the first driving cylinder drives the push plate to horizontally slide; offer the constant head tank that supplies to press the key head location on the push pedal, press key head delivery track to communicate in the installation cavity and corresponding to constant head tank department, the push pedal drives the key head and slides to upper cover delivery track's below department.

Preferably, a limiting groove is formed in the mounting seat, a second driving cylinder fixed on the rack and a limiting plate driven by the second driving cylinder to slide are mounted on one side of the mounting seat, and the limiting plate can slide into the limiting groove; when the pneumatic clamping jaw is installed to clamp the keycap upper cover, the limiting plate slides out of the limiting groove.

Preferably, a rotatable turntable is fixed on the rack, and the conveying part, the spring assembling part, the upper cover assembling part and the discharging part are circumferentially arranged outside the turntable; the rotary table is fixed with a conveying seat corresponding to each part; be fixed with first vibration dish in the frame, the transport portion includes transfer passage and carries pneumatic clamping jaw, and the key cap base is carried to transfer passage and is removed in transfer passage from first vibration dish, install the first lift cylinder that the pneumatic clamping jaw goes up and down of drive transport and the first promotion cylinder that the pneumatic clamping jaw level slided of drive transport respectively in the frame, carry pneumatic clamping jaw centre gripping key cap base to shift to on the conveying seat that corresponds the transport portion.

Preferably, the rack is provided with a third pushing cylinder and a sliding seat driven by the third pushing cylinder, and the lifting seat is connected to the sliding seat in a lifting manner; when the sliding seat moves horizontally, the pneumatic clamping jaw is installed to clamp the keycap upper cover and move horizontally to the keycap base assembled with the spring, the lifting seat descends, and the keycap upper cover descends and is assembled with the keycap base assembled with the spring in a matched mode; and a third vibrating disk and a fourth vibrating disk are fixed on the rack, the upper cover shell is conveyed to the upper cover conveying track from the third vibrating disk, and the key head is conveyed to the key head conveying track from the fourth vibrating disk.

Preferably, a liftable induction seat with a sensor is arranged between the spring assembly part and the upper cover assembly part; a liftable pressure test seat is arranged between the upper cover assembly part and the discharging part; the discharging part comprises a discharging sliding seat arranged on the rack, a discharging pneumatic clamping jaw and a blanking seat arranged on the discharging sliding seat, a discharging port is formed in the blanking seat, a fourth lifting cylinder for driving the discharging pneumatic clamping jaw to lift and a fourth pushing cylinder for driving the discharging pneumatic clamping jaw to horizontally slide are arranged on the rack respectively, and the discharging pneumatic clamping jaw clamping keycap main body moves to the discharging port.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the second vibrating disk is connected with a conveying circular tube conveying spring, so that the spring blanking process is more controllable, and the spring falling state can be kept vertical, so that the assembly process is more convenient; after the upper cover shell and the key head are assembled, the upper cover shell and the key head are assembled to the keyboard base with the spring, so that the key cap assembling efficiency is effectively improved, and therefore, the automatic production line is adopted to replace manual assembling, the labor cost is saved, and meanwhile, the working efficiency is improved;

2. the rotary rotating plate is arranged on the rack, the extension block and the abutting block on the rotating plate are inserted into the conveying circular pipe, when the conveying circular pipe descends, the rotating plate rotates anticlockwise, the spring positioned between the extension block and the abutting block can slide downwards along the inclined plane, the spring above the extension block is limited by the extension block, when the conveying circular pipe ascends and resets, the rotating plate rotates clockwise, the abutting block limits the spring at the moment, the redundant spring is prevented from falling, and the assembly process of the spring is more orderly;

3. the key head conveying tracks and the upper cover conveying tracks are oppositely arranged on two sides of the mounting seat in a staggered mode, and the key head conveying tracks are located below the upper cover conveying tracks, so that the key heads can be conveyed to the lower portion of the upper cover shell through pushing of the push plate, then the key heads are driven to move upwards and assembled with the upper cover shell to form the key cap upper cover through descending of the connecting sleeve and matched clamping with the key heads, the mounting space is saved, the efficiency is improved, then the key cap upper cover is transferred to the key cap base with the spring to be assembled to form the key cap main body, and the assembling process is efficient and ordered;

4. the connection sleeve and the lifting seat synchronously descend, and meanwhile, the descending process relative to the lifting seat is realized through the rotation of the rotating gears respectively meshed with the matching rack and the lifting rack; the lifting rack is fixed on the connecting sleeve, when the lifting seat descends, the matching rack fixed on the rack enables the rotating gear to rotate anticlockwise, the lifting rack and the connecting sleeve are driven to descend, the action of clamping with the key head is completed, the lifting rack ascends synchronously along with the ascending of the supporting seat, and the process is simpler and more efficient.

Drawings

FIG. 1 is a schematic diagram of an exploded structure of a key cap in the background art;

FIG. 2 is a schematic structural diagram of an automated assembly line according to an embodiment of the present application;

FIG. 3 is a schematic view of a partial explosion structure highlighting the cooperative connection of the conveying circular tube and the rotating plate according to the embodiment of the present application;

FIG. 4 is a partial schematic view of the connection sleeve mounted to the mounting block highlighting the embodiment of the present application;

FIG. 5 is a schematic view of the construction of a pusher plate according to an embodiment of the present application;

FIG. 6 is a schematic view of a portion of the limiting plate and the limiting groove in cooperation highlighting the embodiment of the application;

FIG. 7 is a partial schematic view highlighting the outfeed slide block and outfeed pneumatic gripper of an embodiment of the present application.

Description of reference numerals: 0. a keycap main body; 01. the keycap is covered; 011. an upper cover housing; 012. a key head; 02. a spring; 03. a keycap base; 1. a frame; 11. a turntable; 111. a transfer base; 12. a first vibratory pan; 13. a second vibratory pan; 14. a third vibratory pan; 15. a fourth vibratory pan; 16. a first driving cylinder; 17. a second driving cylinder; 171. a limiting plate; 2. an assembly mechanism; 21. a conveying section; 211. a delivery channel; 212. conveying the pneumatic clamping jaw; 213. a first lifting cylinder; 214. a first push cylinder; 22. a spring mounting portion; 221. conveying a circular pipe; 2211. a through hole; 222. a second lifting cylinder; 223. a supporting seat; 2231. a yielding groove; 23. an upper cover assembly part; 231. a mounting seat; 2311. a mounting cavity; 2312. a limiting groove; 232. a key head conveying rail; 233. an upper cover conveying track; 234. a third lifting cylinder; 235. a lifting seat; 2351. installing a pneumatic clamping jaw; 236. a third push cylinder; 237. a sliding seat; 24. a discharge part; 241. a discharging sliding seat; 242. discharging pneumatic clamping jaws; 243. a blanking seat; 2431. a discharge port; 244. a fourth lifting cylinder; 245. a fourth push cylinder; 3. a positioning structure; 31. a positioning column; 32. a rotating plate; 321. an extension block; 322. a butting block; 3221. an inclined surface; 4. pushing the plate; 41. positioning a groove; 5. a movable structure; 51. matching the rack; 52. a rotating gear; 53. a lifting rack; 6. connecting a sleeve; 61. a mating groove; 7. an induction seat; 8. and (4) a pressure testing seat.

Detailed Description

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

The embodiment of the application discloses an automatic assembling production line for keycaps of mechanical keyboards, and with reference to fig. 2, the automatic assembling production line comprises a rack 1, a circular and rotatable turntable 11 is fixed on the rack 1, an assembling mechanism 2 is arranged on the rack 1, and the assembling mechanism 2 comprises a conveying part 21, a spring assembling part 22, an upper cover assembling part 23 and a discharging part 24 which are sequentially arranged outside the turntable 11 in the circumferential direction; the corresponding parts of the rotating disc 11 are respectively fixed with a conveying seat 111, when the rotating disc 11 rotates, the corresponding parts on the conveying seats 111 move among the conveying part 21, the spring assembling part 22 and the upper cover assembling part 23 in sequence for assembling until discharging from the discharging part 24; the empty transfer base 111 continues to rotate for the next round of assembly.

Referring to fig. 1 and 2, the conveying portion 21 is used for conveying a keycap base 03, the conveying portion 21 includes a conveying passage 211 and a conveying pneumatic clamping jaw 212, a first vibration disk 12 is fixed on the frame 1, the keycap base 03 is conveyed from the first vibration disk 12 to the conveying passage 211 and moves in the conveying passage 211, a first lifting cylinder 213 for driving the conveying pneumatic clamping jaw 212 to lift and a first pushing cylinder 214 for driving the conveying pneumatic clamping jaw 212 to horizontally slide are respectively installed on the frame 1, the conveying pneumatic clamping jaw 212 descends, the keycap base 03 on the clamping conveying passage 211 horizontally moves to the position above the conveying seat 111 corresponding to the conveying portion 21, and then the conveying pneumatic clamping jaw 212 descends to position the keycap base 03 on the conveying seat 111 corresponding to the conveying portion 21.

Referring to fig. 1 and 2, the turntable 11 rotates, and the transmission seat 111 with the keycap base 03 rotates to the position corresponding to the spring assembling portion 22; the spring assembly portion 22 includes a conveying circular tube 221, the second vibration plate 13 is fixed on the frame 1, the conveying circular tube 221 is connected to the output spring 02 on the second vibration plate 13, and the spring 02 is conveyed along the conveying circular tube 221 to the conveying seat 111 with the key cap base 03 and is positioned at a corresponding position on the key cap base 03.

Referring to fig. 2 and 3, the spring assembling portion 22 further includes a second lifting cylinder 222 and a supporting seat 223 driven by the second lifting cylinder 222 to lift, a yielding groove 2231 is formed in the supporting seat 223, the conveying circular pipe 221 is fixed at the yielding groove 2231 in the supporting seat 223 and penetrates through the lower side of the supporting seat 223, and a positioning structure 3 for positioning the spring 02 is arranged in the supporting seat 223.

Referring to fig. 3, the positioning structure 3 includes a positioning column 31 fixed on the rack 1 and located in the abdicating slot 2231, and a rotating plate 32 rotatably connected to one side of the positioning column 31 close to the conveying circular tube 221, a penetrating hole 2211 is formed on a side wall of the conveying circular tube 221, an extending block 321 and an abutting block 322 capable of being inserted into the penetrating hole 2211 are respectively formed by extending upper and lower ends of the side wall of the rotating plate 32 close to the penetrating hole 2211, and the extending block 321 is located above the abutting block 322, when the rotating plate 32 rotates, the extending block 321 and the abutting block 322 can move at the penetrating hole 2211, the spring 02 can abut against the abutting block 322 to be limited, so that a process of dropping the spring 02 in the conveying circular tube 221 is more orderly, and the order of the assembling process of the spring 02 is improved.

Referring to fig. 2 and 3, the side wall of the abutting block 322 forms an inclined surface 3221 extending from top to bottom in a direction close to the round conveying pipe 221, the spring 02 abuts against the inclined surface 3221, and the inclined surface 3221 can guide a falling process of the spring 02; when the circular conveying tube 221 descends along with the supporting seat 223, the side wall of the through hole 2211 abuts against the extending block 321 to enable the rotating plate 32 to rotate anticlockwise, the abutting block 322 moves towards the direction far away from the through hole 2211, and at the moment, the spring 02 falls down along the inclined surface 3221 and falls onto the conveying seat 111 with the keycap base 03; at the same time, the extension block 321 moves toward the direction close to the penetrating hole 2211, and acts as a limit to the spring 02 in the conveying circular tube 221, and the rotating plate 32 rotates and returns along with the rising of the support base 223, so that the extension block 321 and the abutting block 322 return, and the spring 02 abuts against the abutting block 322.

Referring to fig. 2, a liftable sensing seat 7 with a sensor is installed between a spring assembling portion 22 and an upper cover assembling portion 23, and when a transfer seat 111 with a spring 02 moves to the sensing seat 7, the spring 02 is contacted by the descending of the sensing seat 7, so that whether the spring 02 is installed is detected, and meanwhile, the resilience performance of the spring 02 is also detected.

Referring to fig. 2, the turntable 11 is rotated again, and the key cap base 03 fitted with the spring 02 is rotated to correspond to the upper cover assembling portion 23 along with the transfer base 111; the upper cover assembly part 23 comprises a mounting seat 231 fixed on the frame 1, a key head conveying rail 232 and an upper cover conveying rail 233 which are oppositely and misplacedly arranged on two sides of the mounting seat 231, and the key head conveying rail 232 is positioned below the upper cover conveying rail 233; a third vibration plate 14 and a fourth vibration plate 15 are fixed to the chassis 1, the upper cover case 011 is conveyed from the third vibration plate 14 to the upper cover conveying rail 233, and the key head 012 is conveyed from the fourth vibration plate 15 to the key head conveying rail 232.

Referring to fig. 2 and 4, a mounting cavity 2311 is formed in the mounting seat 231, a movable push plate 4 is mounted in the mounting cavity 2311, a first driving cylinder 16 is mounted on the frame 1, and the first driving cylinder 16 drives the push plate 4 to horizontally slide in the mounting cavity 2311 toward a direction close to the upper cover conveying track 233.

Referring to fig. 2 and 5, the push plate 4 is provided with a positioning groove 41 for positioning the key head 012, the key head conveying rail 232 is communicated with the installation cavity 2311 and corresponds to the positioning groove 41, so that the key head 012 can move to be positioned in the positioning groove 41, and the first driving cylinder 16 drives the push plate 4 to push the key head 012 to the lower part of the upper cover conveying rail 233.

Referring to fig. 2 and 4, a third lifting cylinder 234 and a lifting seat 235 driven by the third lifting cylinder 234 to lift are installed on the frame 1, the lifting seat 235 is connected with a connecting sleeve 6 through a movable structure 5, the movable structure 5 includes a matching rack 51 fixed on the frame 1, a rotating gear 52 installed on the lifting seat 235 and a lifting rack 53 movably connected to the lifting seat 235, the matching rack 51 is located on one side of the lifting seat 235 far away from the turntable 11, and the lifting rack 53 is located on one side of the lifting seat 235 near the turntable 11; two sides of the rotating gear 52 are respectively meshed with the matching rack 51 and the lifting rack 53; the lifting rack 53 is fixed on the connecting sleeve 6, and when the lifting seat 235 descends, the fixed matching rack 51 enables the rotating gear 52 to rotate anticlockwise so as to drive the lifting rack 53 and the connecting sleeve 6 to descend.

Referring to fig. 1, 4, connecting sleeve 6 wears to locate in mount pad 231, and set up in connecting sleeve 6 with the cooperation groove 61 according to button head 012 cooperation joint, can overlap when connecting sleeve 6 locates the top according to button head 012, can be fixed a position by cooperation groove 61 and button head 012 joint, thereby descend when lift seat 235, connecting sleeve 6 descends to overlap and locates according to button head 012 and the joint through cooperation groove 61 and according to button head 012 fixed, again along with the rising of lift seat 235, rotating gear 52 clockwise rotates, it rises to drive cooperation rack 51 and connecting sleeve 6, the button head 012 of connecting sleeve 6 bottom rises, wear to locate in upper cover casing 011 and form key cap upper cover 01 with upper cover casing 011 cooperation equipment in the below.

Referring to fig. 2 and 6, a second driving cylinder 17 and an opposite limiting plate 171 driven by the second driving cylinder 17 to slide are mounted on the opposite side of the mounting seat 231 to the upper cover conveying rail 233, and a limiting groove 2312 is oppositely formed on the upper portion of the mounting seat 231 corresponding to the limiting plate 171.

Referring to fig. 4 and 6, the limiting plate 171 can slide into the limiting groove 2312, so that the situation that the unassembled upper cover shell 011 is mistakenly transferred by the installed pneumatic clamping jaw 2351 is avoided; when the pneumatic clamping jaw 2351 is installed to clamp the assembled key cap upper cover 01, the limiting plate 171 slides out of the limiting groove 2312, so that a yielding space is provided when the key cap upper cover 01 is transferred.

Referring to fig. 2 and 4, a third pushing cylinder 236 and a sliding seat 237 driven by the third pushing cylinder 236 are mounted on the frame 1, the lifting seat 235 is connected to the sliding seat 237 in a lifting manner, and a pneumatic clamping jaw 2351 is mounted on the lifting seat 235; when the sliding seat 237 moves horizontally, the pneumatic clamping jaws 2351 are installed to clamp the keycap upper cover 01 to move horizontally to the keycap base 03 assembled with the spring 02, the lifting seat 235 descends, and the keycap upper cover 01 descends and is assembled with the keycap base 03 assembled with the spring 02 to form the keycap main body 0.

Referring to fig. 2, a liftable test press seat 8 is installed between the upper cover assembling portion 23 and the discharging portion 24, and the key head 012 on the key cap main body 0 after the test press seat 8 descends to press the key head 012, so as to test the rebound effect of the key head 012.

Referring to fig. 2 and 7, the discharging part 24 includes a discharging sliding seat 241, a discharging pneumatic clamping jaw 242 and a blanking seat 243 mounted on the discharging sliding seat 241, the discharging sliding seat 241 and the blanking seat 243 are both mounted on the frame 1, and the blanking seat 243 is located below the discharging sliding seat 241; a discharge port 2431 is formed in the blanking seat 243, a fourth lifting cylinder 244 for driving the discharging pneumatic clamping jaw 242 to lift and a fourth pushing cylinder 245 for driving the discharging pneumatic clamping jaw 242 to horizontally slide are respectively installed on the machine frame 1, the key cap base 03 clamped by the conveying pneumatic clamping jaw 212 is transferred to the conveying seat 111 corresponding to the conveying part 21, and the key cap main body 0 clamped by the discharging pneumatic clamping jaw 242 is moved to the discharge port 2431.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, 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 (10)

1. The utility model provides a machinery keyboard key cap automatic assembly production line, includes frame (1), its characterized in that: the assembling mechanism (2) is arranged on the rack (1), and the assembling mechanism (2) sequentially comprises a conveying part (21) for conveying the keycap base (03), a spring assembling part (22), an upper cover assembling part (23) and a discharging part (24); spring assembly portion (22) are including carrying pipe (221), and spring (02) are followed carry pipe (221) and carry to on key cap base (03), upper cover casing (011) and key head (012) formation key cap upper cover (01) are assembled in upper cover assembly portion (23), and key cap upper cover (01) remove and install on key cap base (03) that is equipped with spring (02).

2. The automatic assembly production line of mechanical keyboard keycaps according to claim 1, characterized in that: spring assembly portion (22) still include second lift cylinder (222) and by support seat (223) that second lift cylinder (222) drive goes up and down, set up abdicating groove (2231) in support seat (223), be fixed with second vibration dish (13) on frame (1), carry pipe (221) to connect in second vibration dish (13) output spring (02), just carry pipe (221) to be fixed in abdicating groove (2231) department in support seat (223) and wear to locate the below of support seat (223), be equipped with location structure (3) of positioning spring (02) in support seat (223).

3. The automatic assembly production line of mechanical keyboard keycaps according to claim 2, characterized in that: the positioning structure (3) comprises a positioning column (31) which is fixed on the rack (1) and positioned in the abdicating groove (2231) and a rotating plate (32) which is rotatably connected with the positioning column (31), the side wall of the conveying circular tube (221) is provided with a penetrating hole (2211), the upper end and the lower end of the side wall of the rotating plate (32) close to the penetrating hole (2211) are respectively extended to form an extending block (321) and an abutting block (322) which can be inserted into the penetrating hole (2211), and the extending block (321) and the abutting block (322) can move at the penetrating hole (2211); the side wall of the abutting block (322) forms an inclined surface (3221) extending from top to bottom in the direction close to the conveying circular tube (221), and the spring (02) abuts against the inclined surface (3221).

4. The automatic assembly production line of mechanical keyboard keycaps according to claim 1, characterized in that: the upper cover assembling part (23) comprises a mounting seat (231) fixed on the rack (1), a key head conveying rail (232) and an upper cover conveying rail (233) which are oppositely and misplacedly arranged on two sides of the mounting seat (231), and the key head conveying rail (232) is positioned below the upper cover conveying rail (233); a push plate (4) is movably connected in the mounting seat (231), the key head conveying track (232) extends to the push plate (4), and the push plate (4) pushes the key head (012) to the upper cover conveying track (233); the rack (1) is provided with a third lifting cylinder (234) and a lifting seat (235) driven by the third lifting cylinder (234) to lift, the lifting seat (235) is connected with a connecting sleeve (6) through a movable structure (5), and the connecting sleeve (6) is arranged in the mounting seat (231) in a penetrating manner and can be sleeved on the top of the key head (012) for clamping and positioning; when the connecting sleeve (6) moves upwards, the key head (012) moves upwards to be matched with the upper cover shell (011) to assemble the key cap upper cover (01); the pneumatic key cap lifting device is characterized in that an installation pneumatic clamping jaw (2351) is installed on the lifting seat (235), and the installation pneumatic clamping jaw (2351) clamps the key cap upper cover (01) and the key cap base (03) with the spring (02) to form the key cap main body (0) in an assembling mode.

5. The automatic assembly production line of mechanical keyboard keycaps according to claim 4, wherein: the movable structure (5) comprises a matching rack (51) fixed on the rack (1), a rotating gear (52) arranged on the lifting seat (235) and a lifting rack (53) movably connected to the lifting seat (235), and two sides of the rotating gear (52) are respectively meshed with the matching rack (51) and the lifting rack (53); the lifting rack (53) is fixed on the connecting sleeve (6), when the lifting seat (235) descends, the rotating gear (52) rotates anticlockwise, and the lifting rack (53) and the connecting sleeve (6) descend.

6. The automatic assembly production line of mechanical keyboard keycaps according to claim 4, wherein: a mounting cavity (2311) is formed in the mounting seat (231), the push plate (4) is mounted in the mounting cavity (2311), a first driving cylinder (16) is mounted on the rack (1), and the first driving cylinder (16) drives the push plate (4) to horizontally slide; offer on push pedal (4) and supply constant head tank (41) of key head (012) location, key head delivery track (232) communicate in installation cavity (2311) and correspond to constant head tank (41) department, push pedal (4) drive key head (012) slide to the below department of upper cover delivery track (233).

7. The automatic assembly production line of mechanical keyboard keycaps according to claim 4, wherein: a limiting groove (2312) is formed in the mounting seat (231), a second driving cylinder (17) fixed on the rack (1) and a limiting plate (171) driven by the second driving cylinder (17) to slide are mounted on one side of the mounting seat (231), and the limiting plate (171) can slide into the limiting groove (2312); when the pneumatic clamping jaw (2351) is installed to clamp the keycap upper cover (01), the limiting plate (171) slides out of the limiting groove (2312).

8. The automatic assembly production line of mechanical keyboard keycaps according to claim 1, characterized in that: a rotatable turntable (11) is fixed on the rack (1), and the conveying part (21), the spring assembling part (22), the upper cover assembling part (23) and the discharging part (24) are circumferentially arranged outside the turntable (11); the rotating disc (11) is respectively fixed with a conveying seat (111) corresponding to each part; be fixed with first vibration dish (12) on frame (1), conveying portion (21) are including transfer passage (211) and transport pneumatic clamping jaw (212), and key cap base (03) are carried to transfer passage (211) and are removed in transfer passage (211) from first vibration dish (12), install first lift cylinder (213) that the drive carried pneumatic clamping jaw (212) to go up and down and drive first promotion cylinder (214) that carry pneumatic clamping jaw (212) horizontal slip on frame (1) respectively, carry pneumatic clamping jaw (212) centre gripping key cap base (03) to shift to on conveying seat (111) that correspond conveying portion (21).

9. The automatic assembly production line of mechanical keyboard keycaps according to claim 4, wherein: the frame (1) is provided with a third pushing cylinder (236) and a sliding seat (237) driven by the third pushing cylinder (236), and the lifting seat (235) is connected to the sliding seat (237) in a lifting manner.

10. The automatic assembly production line of mechanical keyboard keycaps according to claim 1, characterized in that: a liftable induction seat (7) with a sensor is arranged between the spring assembly part (22) and the upper cover assembly part (23); a liftable pressure test seat (8) is arranged between the upper cover assembly part (23) and the discharging part (24); discharging part (24) including installing ejection of compact sliding seat (241) on frame (1), installing ejection of compact pneumatic clamping jaw (242) and blanking seat (243) on ejection of compact sliding seat (241), discharge gate (2431) have been seted up on blanking seat (243), install fourth lift cylinder (244) that drive ejection of compact pneumatic clamping jaw (242) go up and down and fourth push cylinder (245) that drive ejection of compact pneumatic clamping jaw (242) level slided on frame (1) respectively, ejection of compact pneumatic clamping jaw (242) centre gripping key cap main part (0) remove to discharge gate (2431).

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