CN109698083B

CN109698083B - Assembling and feeding device, assembling equipment and method for telephone panel keys

Info

Publication number: CN109698083B
Application number: CN201910066578.XA
Authority: CN
Inventors: 王从银; 孙洋
Original assignee: Wenzhou Yuanli Intelligent Technology Co ltd
Current assignee: Shenzhen Lidian Jin Century Technology Co ltd
Priority date: 2019-01-24
Filing date: 2019-01-24
Publication date: 2020-04-28
Anticipated expiration: 2039-01-24
Also published as: CN109698083A

Abstract

The invention relates to the field of telephone production. An assembly loading attachment of the panel key set of the telephone, the apparatus includes the assembly feed mechanism of the figure key set, small key set feed mechanism and absorbs the mechanical arm mechanism; the front side of the rack is provided with a first transportation port and a second transportation port, the positions of the digital key assembly feeding mechanism and the small key assembly feeding mechanism respectively correspond to the positions of the first transportation port and the second transportation port, and the digital key assembly feeding mechanism and the small key assembly feeding mechanism are respectively used for transporting the digital key assembly to the digital key assembly device and transporting the small key assembly to the small key assembly device. The device has realized the quick material loading of digit button subassembly and little button subassembly, and degree of automation is high, has improved production efficiency, has reduced the cost of production.

Description

Assembling and feeding device, assembling equipment and method for telephone panel keys

Technical Field

The invention relates to an assembling and feeding device, assembling equipment and an assembling method for a telephone panel key.

Background

As shown in fig. 2, the telephone includes a casing a, and a number key B, a small key C and a rubber pad D mounted on the casing a. Twelve number key mounting ports A1 are arranged on the left side of the shell A, sixteen small key mounting ports A2 are arranged on the lower side of the shell A, and a rubber mat mounting port A3 is arranged on the upper side of the shell A. The number of the number keys B is twelve, the lower part of the number keys B is provided with a number key retainer B1, the upper part of the number keys B is arranged in the number key mounting opening A1, and the number key retainer B1 is retained outside the number key mounting opening A1; the number of the small keys C is sixteen, small key retaining rings C1 are arranged at the lower parts of the small keys C, the upper parts of the small keys C are arranged in the small key mounting openings A2, and the small key retaining rings C1 are retained outside the small key mounting openings A2; the size of the rubber pad D is slightly larger than that of the rubber pad mounting opening A3, and the rubber pad D is placed on the rubber pad mounting opening A3.

Disclosure of Invention

The invention aims to provide an assembling and feeding device for a telephone panel key, which realizes the rapid feeding of a digital key assembly and a small key assembly, has high automation degree, improves the production efficiency and reduces the production cost.

In order to achieve the purpose, the invention adopts the following technical scheme:

an assembly loading attachment of the panel key set of the telephone, the apparatus includes the assembly feed mechanism of the figure key set, small key set feed mechanism and absorbs the mechanical arm mechanism; the front side of the frame is provided with a first transportation port and a second transportation port, the positions of the digital key assembly feeding mechanism and the small key assembly feeding mechanism respectively correspond to the positions of the first transportation port and the second transportation port, and the digital key assembly feeding mechanism and the small key assembly feeding mechanism are respectively used for transporting the digital key assembly to the digital key assembly device and transporting the small key assembly to the small key assembly device; the position of the digital key assembly feeding mechanism corresponds to the position of the first conveying port, the position of the small key assembly feeding mechanism corresponds to the position of the second conveying port, the suction manipulator mechanism is arranged on the rack, and the suction manipulator mechanism is positioned between the digital key assembly feeding mechanism and the small key assembly feeding mechanism;

the suction manipulator mechanism comprises a third suction nozzle mounting plate, a third suction nozzle, a third pushing cylinder, a third lifting cylinder, a cylinder fixing seat and a third sliding assembly; the third suction nozzles are arranged at the bottom ends of the two sides of the third suction nozzle mounting plate, and the positions of the third suction nozzles at the two sides respectively correspond to the positions of the first barrier strip and the second barrier strip; an output shaft of the third lifting cylinder is connected with the middle part of the third suction nozzle mounting plate, and the third lifting cylinder is mounted on the third sliding assembly; the third sliding assembly and the third pushing cylinder are arranged on a cylinder fixing seat, and the cylinder fixing seat is fixed on the rack; an output shaft of the third pushing cylinder is connected with a third sliding assembly, and the third pushing cylinder drives a third lifting cylinder to move back and forth along the third sliding assembly; when the suction manipulator mechanism acts, the third pushing cylinder drives the third suction nozzle mounting plate to move above the first barrier strip and the second barrier strip, the third lifting cylinder drives the third suction nozzle to move downwards, the third suction nozzle respectively sucks the number key assembly and the small key assembly in the first barrier strip and the second barrier strip, the third lifting cylinder upwards resets, and the third pushing cylinder drives the number key assembly and the small key assembly to respectively move into the number key assembly device and the small key assembly device.

As a further improvement, the digital key assembly feeding mechanism comprises a first barrier strip, a first discharging plate, a first servo motor, a first transmission screw pair and a first feeding block; the first barrier strips are vertically enclosed into a rectangular shape and are fixed on the top end of the first material placing plate, and the digital key assembly is positioned among the first barrier strips; the first servo motor and the first transmission lead screw pair are arranged in the rack, the first servo motor is connected with the first transmission lead screw pair, a first upper material block is connected with a moving end on the first transmission lead screw pair, and the first upper material block upwards passes through the first conveying opening and is fixed at the lower end of the first material discharging plate; the first servo motor drives the first feeding block to move up and down along the first transmission screw pair; when the digital key assembly feeding mechanism acts, the first servo motor drives the first feeding block to move upwards along the first transmission screw rod pair, and the first feeding block enables the first discharging plate and the digital key assembly on the first discharging plate to be lifted upwards.

As a further improvement, the small key assembly feeding mechanism comprises a second barrier strip, a second discharging plate, a second servo motor, a second transmission screw rod pair and a second feeding block; the second barrier strips are vertically enclosed into a rectangular shape and are fixed on the top end of the second material placing plate, and the digital key assembly is positioned among the second barrier strips; the second servo motor and the second transmission screw rod pair are arranged in the rack, and the second servo motor is connected with the second transmission screw rod pair; the second feeding block is connected with the movable end on the second transmission screw pair, and the second feeding block upwards passes through the first conveying opening and is fixed at the lower end of the second discharging plate; the second servo motor drives the second feeding block to move up and down along the second transmission screw pair; when the small key assembly feeding mechanism acts, the second servo motor drives the second feeding block to move upwards along the second transmission screw rod pair, and the second feeding block enables the second discharging plate and the small key assembly on the second discharging plate to be lifted upwards.

The invention also discloses an assembly device of the telephone panel, which comprises a rack, and a shell feeding device, a conveying device, a key feeding device, a digital key assembly device, a small key assembly device, a rubber mat feeding device and a shell blanking device which are arranged on the rack; the key feeding device is adopted.

The invention also discloses an assembling method of the telephone panel, which adopts the equipment for production.

By adopting the technical scheme, the device realizes the quick feeding of the digital key assembly and the small key assembly, has high automation degree, improves the production efficiency and reduces the production cost.

Drawings

Fig. 1 is a schematic diagram of an explosive structure according to an embodiment of the present invention.

Fig. 2 is an exploded view of the telephone.

Fig. 3 is an exploded view of the case loading device.

Fig. 4 is an exploded view of the first housing suction robot.

Fig. 5 is a schematic diagram of an exploded structure of the transportation device.

Fig. 6 is an exploded view of the key feeding device.

Fig. 7 is an exploded view of the numeric keypad assembling apparatus.

Fig. 8 is an exploded view of the number key punching mechanism.

Fig. 9 is an exploded view of the numeric key reclaiming mechanism.

Fig. 10 is an exploded view of the numeric keypad moving robot.

Fig. 11 is an exploded view of the keypad assembly apparatus.

Fig. 12 is an exploded view of the small key blanking mechanism.

Fig. 13 is an exploded view of the small key reclaiming mechanism.

Fig. 14 is an exploded view of the small key moving robot.

Fig. 15 is an exploded view of the cushion feeding device.

Fig. 16 is an exploded view of the housing blanking device.

Detailed Description

As shown in fig. 1, the telephone panel assembling apparatus includes a frame 1, and a housing feeding device 2, a transporting device 3, a key feeding device 4, a number key assembling device 5, a small key assembling device 6, a rubber mat feeding device 7 and a housing blanking device 8 which are mounted on the frame 1.

The twelve number keys B are fixedly connected through first connecting rods B4 at two sides of a first connecting frame B3 respectively to form a number key assembly B2; the sixteen small keys C are fixedly connected through second connecting rods C4 at two sides of a second connecting frame C3 to form a small key assembly C2.

The shell feeding device 2 is arranged on the left side of the rack 1, and the shell feeding device 2 is used for conveying the shell A to the conveying device 3; the conveying device 3 is arranged in the middle of the rack 1, and the conveying device 3 is used for conveying the shell A; a first transportation port 11 and a second transportation port 12 are arranged on the front side of the frame 1, the positions of the key feeding devices 4 correspond to the positions of the first transportation port 11 and the second transportation port 12 respectively, and the key feeding devices 4 are used for transporting the number key assembly B2 to the number key assembly device 5 and transporting the small key assembly C2 to the small key assembly device 6 respectively; the digital key assembly device 5 and the small key assembly device 6 are sequentially arranged on the frame 1 along the transportation device 3, the digital key assembly device 5 is used for installing the digital key B into the digital key installation port A1, and the small key assembly device 6 is used for installing the small key C into the small key installation port A2; the rubber mat feeding device 7 is arranged on the right front side of the frame 1, and the rubber mat feeding device 7 is used for placing a rubber mat D on the rubber mat mounting opening A3; a shell unloading device 8 is arranged on the right side of the frame 1, and the shell unloading device 8 is used for taking the shell A out of the conveying device 3 and conveying the shell A out.

As shown in fig. 3, the casing feeding device 2 includes a first transport rack 20, a first motor 21, a first conveyor belt 22, a first fixing leg 23, and a first casing suction robot 24. The first transportation frame 20 is fixed on the left side of the frame 1 through a first fixing support leg 23, the first motor 21 and the first conveyor belt 22 are connected to the first transportation frame 20, and the first shell suction manipulator 24 is arranged at the discharge end of the first transportation frame 20. The first motor 21 is connected to a first conveyor belt 22, and the housing a moves on the first conveyor belt 22 from the feeding end to the discharging end of the first transport rack 20.

As shown in fig. 4, the first casing suction robot 24 includes a first push cylinder 240, a first slide assembly 241, a slide rail mounting plate, a slide rail fixing seat 243, a first lift cylinder 245, a first suction nozzle mounting plate 246, and a first suction nozzle 247.

The first push cylinder 240 is installed at the discharge end of the first transporting frame 20. The first sliding assembly 241 includes a sliding rail 2410 and a sliding block 2411, the sliding rail 2410 is transversely fixed on the sliding rail mounting plate, the sliding block 2411 is installed on the sliding rail 2410, and the output shaft of the first pushing cylinder 240 is connected with the sliding block 2411. The slide rail mounting plate is transversely fixed on the slide rail fixing seat 243, and the slide rail fixing seat 243 is located the discharge end department of first transportation frame 20 and fixes on frame 1. The first lifting cylinder 245 is installed on the sliding block 2411, an output shaft of the first lifting cylinder 245 is connected with the first nozzle installation plate 246, and the first nozzle installation plate 246 is longitudinally positioned at the discharge end of the first conveyor belt 22. The first nozzle 247 is plural, and the first nozzle 247 is installed at a lower end of the first nozzle installation plate 246. The first suction nozzle 247 sucks the housing a.

The working principle of the shell feeding device 2 is as follows: the first motor 21 is connected to a first conveyor belt 22, and the housing a moves on the first conveyor belt 22 from the feeding end to the discharging end of the first transport rack 20. The first pushing cylinder 240 drives the sliding block 2411 and the first lifting cylinder 245 thereon to move along the sliding rail 2410 to the discharging end of the first transportation frame 20, the first lifting cylinder 245 drives the first suction nozzle 247 to downwardly suck the shell a on the discharging end of the first transportation frame 20, and the first pushing cylinder 240 drives the first suction nozzle 247 to move to the transportation device 3 and place the shell a on the transportation device 3.

The problem of casing A material loading disorder has been solved to casing loading attachment 2, absorbs 24 orderly carries casing A to conveyer 3 through first casing on, makes things convenient for conveyer 3's step-by-step conversion, makes subsequent processing more smooth and easy.

As shown in fig. 5, the transporting device 3 includes four sets of a housing placing frame 30, a second suction nozzle 31, four second suction nozzle mounting plates 32, a suction nozzle connecting plate 33, a second lifting cylinder 34, a first cylinder mounting plate 35, a second slide assembly 36, and a second push cylinder 37.

Four sets of casing rack 30 from left to right set gradually in the middle part of frame 1, and every group casing rack 30 is parallel and two that set up in opposite directions, and the top of every group casing rack 30 is equipped with two spacing hornblocks 301, and two spacing hornblocks 301 are the diagonal angle setting, and casing A places on spacing hornblock 301. The limiting angle blocks 301 at the top end of the four groups of shell placing frames 30 are respectively provided with a station, namely a first station 302, a second station 303, a third station 304 and a fourth station 305. The position of the shell feeding device 2 corresponds to a first station 302; the position of the numeric key assembly device 5 corresponds to the second station 303; the position of the small key assembly device 6 corresponds to the third station 304; the position of the cushion feeding device 7 corresponds to the fourth station 305.

The second suction nozzles 31 are plural, and the plural second suction nozzles 31 are respectively installed on the top ends of the four second suction nozzle installation plates 32. The second suction nozzle mounting plate 32 is positioned between the two limiting angle blocks 301, and the second suction nozzle 31 is used for sucking the shell A on the limiting angle blocks 301. The bottom ends of the four second suction nozzle mounting plates 32 are sequentially fixed to the top end of the suction nozzle connecting plate 33. An output shaft of the second lifting cylinder 34 is connected with the bottom end of the suction nozzle connecting plate 33. The second lifting cylinder 34 is installed on the first cylinder installation plate 35, and the bottom end of the first cylinder installation plate 35 is arranged on the machine frame 1 through the second sliding assembly 36. A second pushing cylinder 37 is arranged on the frame 1, and the output shaft of the second pushing cylinder 37 is connected with the first cylinder mounting plate 35. The second pushing cylinder 37 drives the first cylinder mounting plate 35 to move transversely along the second sliding assembly 36.

The working principle of the transport device 3 is as follows: the first shell suction manipulator 24 conveys the shell A from the discharge end of the first conveyor belt 22 to the first station 302, the second lifting cylinder 34 drives the second suction nozzle 31 to suck the shell A on the first station 302 upwards and lift the shell A and separate the shell A from the limit corner block 301, the second suction nozzle mounting plate 32 is lifted to the upper side of the limit corner block 301, the second pushing cylinder 37 drives the shell A to move to the second station 303, meanwhile, the shell A at the original second station 303 moves to the third station 304, the shell A at the original third station 304 moves to the fourth station 305, the shell A at the original fourth station 305 is conveyed out through the shell blanking device 8, then, the second lifting cylinder 34 resets and puts the shell A on the limit corner block 301, and the second pushing cylinder 37 retracts to reset, so that the operation is repeated and the operation is sequentially circulated.

The conveying device 3 solves the problems that the position of a workpiece conveyed by the automatic equipment is inaccurate and needs to be repositioned after the station is changed every time, and the position of the shell A is accurately controlled through the limiting corner block 301 on the conveying device 3, so that the working efficiency and the machining precision are improved.

As shown in fig. 6, the key loading device 4 includes a number key assembly loading mechanism 40, a small key assembly loading mechanism 41, and an absorption robot mechanism 42.

The position of the number key assembly feeding mechanism 40 corresponds to the position of the first transportation port 11, the position of the small key assembly feeding mechanism 41 corresponds to the position of the second transportation port 12, the suction manipulator mechanism 42 is arranged on the rack 1, and the position of the suction manipulator mechanism 42 is positioned between the number key assembly feeding mechanism 40 and the small key assembly feeding mechanism 41.

The number key assembly feeding mechanism 40 includes a first bar 401, a first material discharge plate 402, a first servo motor 403, a first driving screw pair 404, and a first feeding block 405. The number of the first blocking strips 401 is multiple, the multiple first blocking strips 401 are vertically enclosed to form a rectangular shape and are fixed on the top end of the first material placing plate 402, and the number key assembly B2 is located among the multiple first blocking strips 401. The first servo motor 403 and the first transmission screw pair 404 are installed in the rack 1, the first servo motor 403 is connected with the first transmission screw pair 404, the first upper block 405 is connected with the moving end of the first transmission screw pair 404, and the first upper block 405 upwards passes through the first conveying port 11 and is fixed at the lower end of the first material discharging plate 402. The first servo motor 403 drives the first upper panel 405 to move up and down along the first driving screw pair 404.

When the number key assembly feeding mechanism 40 is actuated, the first servo motor 403 drives the first feeding block 405 to move upward along the first driving screw pair 404, and the first feeding block 405 raises the first material discharging plate 402 and the number key assembly B2 thereon upward.

The small key assembly feeding mechanism 41 includes a second barrier strip 410, a second discharging plate 411, a second servo motor 412, a second driving screw pair 413 and a second feeding block 414. The number of the second blocking strips 410 is multiple, a plurality of second blocking strips 410 are vertically enclosed to form a rectangular shape and are fixed on the top end of the second material placing plate 411, and the number key assembly B2 is located among the plurality of second blocking strips 410. The second servo motor 412 and the second transmission screw pair 413 are installed in the machine frame 1, and the second servo motor 412 is connected with the second transmission screw pair 413. The second feeding block 414 is connected to the moving end of the second driving screw pair 413, and the second feeding block 414 is fixed to the lower end of the second discharging plate 411 upward through the first conveying port 11. The second servo motor 412 drives the second feeding block 414 to move up and down along the second transmission screw pair 413.

When the small key assembly feeding mechanism 41 is activated, the second servo motor 412 drives the second feeding block 414 to move upward along the second driving screw pair 413, and the second feeding block 414 lifts the second discharging plate 411 and the small key assembly C2 thereon upward.

The suction manipulator mechanism 42 includes a third suction nozzle mounting plate 420, a third suction nozzle 421, a third pushing cylinder 422, a third lifting cylinder 423, a cylinder fixing seat 424, and a third sliding assembly 425. The third suction nozzles 421 are installed on the bottom ends of both sides of the third suction nozzle installation plate 420, and the positions of the third suction nozzles 421 of both sides correspond to the positions of the first barrier 401 and the second barrier 410, respectively. An output shaft of the third elevating cylinder 423 is connected to a middle portion of the third suction nozzle mounting plate 420, and the third elevating cylinder 423 is mounted on the third sliding assembly 425. Third slip subassembly 425 and third propelling movement cylinder 422 set up on cylinder fixing base 424, and cylinder fixing base 424 is fixed on frame 1. An output shaft of the third pushing cylinder 422 is connected with a third sliding assembly 425, and the third pushing cylinder 422 drives the third lifting cylinder 423 to move back and forth along the third sliding assembly 425.

When the suction manipulator mechanism 42 acts, the third pushing cylinder 422 drives the third suction nozzle mounting plate 420 to move above the first barrier strip 401 and the second barrier strip 410, the third lifting cylinder 423 drives the third suction nozzle 421 to move downwards, the third suction nozzle 421 respectively sucks the number key assembly B2 and the small key assembly C2 in the first barrier strip 401 and the second barrier strip 410, the third lifting cylinder 423 resets upwards, and the third pushing cylinder 422 drives the number key assembly B2 and the small key assembly C2 to respectively move into the number key assembly device 5 and the small key assembly device 6.

As shown in fig. 7, the numeric keypad assembling apparatus 5 includes a numeric keypad blanking mechanism 50, a first waste bin 51, a numeric keypad taking mechanism 52, and a numeric keypad moving robot 53.

The number key blanking mechanism 50 and the number key moving manipulator 53 are respectively fixed on the frame 1, the position of the number key blanking mechanism 50 corresponds to the position of the second station 303, and the first waste bin 51 is positioned below the number key blanking mechanism 50. The position of the numeric key moving manipulator 53 corresponds to the position of the numeric key blanking mechanism 50, and the numeric key material taking mechanism 52 is connected to the numeric key blanking mechanism 50.

As shown in fig. 8, the number key blanking mechanism 50 includes a second motor 501, a first guide rod 502, a first motor mounting plate 503, a first fixing plate 504, a number key cutting assembly 505, a number key blanking die 506, and a first mounting bracket 507.

The second motor 501 is mounted on the top end of the first fixing plate 504 through the first motor mounting plate 503, and the first fixing plate 504 is fixed on both sides of the first mounting frame 507. The first guide rod 502 passes through the first motor mounting plate 503 and is fixedly connected with the number key cutting assembly 505 at the bottom end thereof. The output shaft of the second motor 501 passes through the first motor mounting plate 503 and is connected with the number key cutting assembly 505. The numeric key cutoff assembly 505 includes a first blade mounting plate 5050, two rows of first blades 5051, a first pressure plate 5052, and a second guide bar 5053. The output shaft of the second motor 501 is connected to the top end of the first blade mounting plate 5050. Two rows of first blades 5051 are mounted downward at the bottom end of the first blade mounting plate 5050, the two rows of first blades 5051 are twelve, and the positions of the twelve first blades 5051 correspond to the positions of the twelve first connecting bars B4, respectively. The first pressure plate 5052 is disposed below the first blade mounting plate 5050 through a second guide bar 5053, two first blade openings 50520 are disposed on the first pressure plate 5052, and the positions of the two rows of first blades 5051 correspond to the positions of the two first blade openings 50520, respectively.

The first mounting frame 507 is provided with a rectangular through hole, the number key blanking die 506 is fixed on the first mounting frame 507, the position of the number key blanking die 506 corresponds to the position of the rectangular through hole, and the number key assembly B2 is positioned in the number key blanking die 506. The number key punching die 506 is provided with a first bracket opening 5060 and two rows of number key openings 5061. The first rack pocket 5060 is larger in size than the first rack B3, the first rack B3 being within the first rack pocket 5060; twelve number keys B are respectively positioned in the number key openings 5061, and the number key retaining rings B1 are positioned on the number key openings 5061. The position of the first waste bin 51 corresponds to the position of the rectangular opening of the first mounting frame 507.

When the number key cutting mechanism 50 is operated, the second motor 501 pushes the number key cutting assembly 505 downward, the first blade 5051 cuts the connection between the number key B and the first connecting rod B4, the first carriage B3 falls into the first waste bin 51 from the first carriage port 5060, the number key retainer B1 is stopped on the number key port 5061, and the number key retainer B1, which is smaller in size than the number key port 5061, falls directly into the first waste bin 51.

As shown in fig. 9, the numeric keypad taking mechanism 52 includes a first stepping motor 520, a second fixing plate 521, two first tension wheels 522, two fourth air cylinders 523, a second air cylinder mounting plate 524, two first synchronizing wheels 525, two fourth suction nozzles 526, and two first suction nozzle shafts.

The first stepping motor 520 is installed at the left middle portion of the second cylinder installation plate 524, and the second cylinder installation plate 524 is fixed to the numeric key moving manipulator 53 by the second fixing plate 521. A notch, i.e., a first notch 5240 and a second notch 5241, is formed at each of the front and rear sides of the second cylinder mounting plate 524. The two first tension wheels 522 are fixed to the left side of the second cylinder mounting plate 524 through two first tension wheel fixing seats 5220, and the positions of the two first tension wheels 522 correspond to the positions of the first notch 5240 and the second notch 5241, respectively. The two first suction nozzle shafts are respectively installed in the middle of the right side of the second air cylinder installation plate 524 through two shaft sleeves, the two first synchronizing wheels 525 are respectively installed on the upper portions of the two first suction nozzle shafts, and the two fourth suction nozzles 526 are respectively arranged at the bottom ends of the two first suction nozzle shafts. The output shaft of the first stepping motor 520 is connected to two first synchronizing wheels 525 through a belt, and the tension of the belt is adjusted by two first tension wheels 522. The two fourth cylinders 523 are respectively installed at the right side of the second cylinder installation plate 524, and the two fourth cylinders 523 are respectively located at both sides of the two first suction nozzle shafts. The output shafts of the two fourth cylinders 523 are connected to the top ends of the two first nozzle shafts through two first connection pieces 5231, respectively.

When the numeric key material taking mechanism 52 acts, the numeric key moving manipulator 53 drives the two first suction nozzle shafts to move to the numeric key blanking die 506, the two fourth air cylinders 523 respectively push the two first suction nozzle shafts downwards, the two fourth suction nozzles 526 respectively suck the bottom end of one numeric key B, the two fourth air cylinders 523 reset, the numeric key moving manipulator 53 drives the two first suction nozzle shafts to move to the shell a on the second station 303, the first stepping motor 520 drives the two first suction nozzle shafts to rotate 180 degrees, then the two fourth air cylinders 523 respectively push the two first suction nozzle shafts downwards, the two fourth suction nozzles 526 respectively insert the upper parts of the two numeric keys B into the numeric key mounting port a1, and the numeric key retaining ring B1 is retained outside the numeric key mounting port a 1.

As shown in fig. 10, the numeric key moving manipulator 53 includes a third servo motor 530, a third driving screw pair 531, a fourth servo motor 532, a fourth driving screw pair 533, and a first servo motor fixing base 534.

An output shaft of the third servo motor 530 is connected with the third transmission screw pair 531, the digital key material taking mechanism 52 is fixed on the moving end of the third transmission screw pair 531, and the third servo motor 530 drives the digital key material taking mechanism 52 to move back and forth; the third servo motor 530 and the third transmission screw pair 531 are installed on the moving end of the fourth transmission screw pair 533, the output shaft of the fourth servo motor 532 is connected with the fourth transmission screw pair 533, and the fourth servo motor 532 drives the third servo motor 530 to move left and right. The fourth servo motor 532 and the fourth transmission screw pair 533 are mounted on the frame 1 through the first servo motor fixing seat 534.

The working principle of the numeric key assembly device 5 is as follows: the number key assembly B2 is carried by the key loading device 4 into the number key blanking die 506. The second motor 501 pushes the number key cutting assembly 505 downwards, the first blade 5051 cuts the connection of the number key B and the first connecting bar B4, and the first carriage B3 drops from the first carriage port 5060 into the first waste bin 51. The third servo motor 530 drives the fourth suction nozzle 526 to move to the position of the number key blanking die 506, the two fourth air cylinders 523 respectively push the two first suction nozzle shafts downwards, the two fourth suction nozzles 526 respectively suck the bottom end of one number key B, the two fourth air cylinders 523 reset, and the third servo motor 530 drives the two first suction nozzle shafts to move to the position of the shell a on the second station 303. The first stepping motor 520 drives the two first suction nozzle shafts to rotate 180 °, and then the two fourth air cylinders 523 push the two first suction nozzle shafts downward respectively, the two fourth suction nozzles 526 insert the upper parts of the two number keys B into the number key mounting openings a1 respectively, and the number key retainer B1 is retained outside the number key mounting openings a 1.

The digital key assembly device 5 solves the problem that the digital keys are difficult to check whether the digital keys are qualified or not when the digital keys are installed due to the fact that the number of the digital keys is large, and can not only cut the digital keys open through the digital key blanking die 506, but also check whether the size of the digital keys is qualified or not, so that the complexity of equipment is simplified.

As shown in fig. 11, the small key assembling device 6 includes a small key blanking mechanism 60, a second waste bin 61, a small key pickup mechanism 62, and a small key moving robot 63. The small key blanking mechanism 60 and the small key moving manipulator 63 are fixed on the frame 1. The position of the small key blanking mechanism 60 corresponds to the position of the third station 304, and the second waste bin 61 is positioned below the small key blanking mechanism 60. The small key material taking mechanism 62 is connected with the small key moving manipulator 63.

As shown in fig. 12, the key punching mechanism 60 includes a third motor 601, a second guide rod 602, a second motor mounting plate 603, a second fixing plate 604, a key cutting assembly 605, a key punching die 606, and a second mounting bracket 607.

The third motor 601 is mounted on the top end of a second fixing plate 604 through a second motor mounting plate 603, and the second fixing plate 604 is fixed on both sides of a second mounting bracket 607. The second guide rod 602 passes through the second motor mounting plate 603 and is fixedly connected with the small key cutting assembly 605 at the bottom end. The output shaft of the third motor 601 passes through the second motor mounting plate 603 and is connected with the small key cutting assembly 605. The small key cut-off assembly 605 includes a second blade mounting plate 6050, two rows of second blades 6051, a second pressure plate 6052, and third guide bars 6053.

The output shaft of the third motor 601 is connected to the top end of the second blade mounting plate 6050. Two rows of second blades 6051 are mounted downward at the bottom end of the second blade mounting plate 6050, the number of the two rows of second blades 6051 is sixteen, and the positions of the sixteen second blades 6051 correspond to the positions of the sixteen second connecting rods C4 respectively. The second pressing plate 6052 is disposed below the second blade mounting plate 6050 through a third guide bar 6053, two second blade openings 60520 are disposed on the second pressing plate 6052, and positions of the two rows of second blades 6051 correspond to positions of the two second blade openings 60520, respectively.

A rectangular through opening is formed in the second mounting frame 607, the small key blanking die 606 is fixed to the second mounting frame 607, and the small key blanking die 606 is located above the rectangular through opening. The keypad assembly C2 resides within the keypad blanking die 606. The small key blanking die 606 is provided with a second bracket opening 6060 and two rows of small key openings 6061. Second leg port 6060 is larger in size than second leg C3, second leg C3 being within second leg port 6060; sixteen small keys C are respectively positioned in the small key openings 6061, and the small key retaining rings C1 are retained on the small key openings 6061. The position of the second waste bin 61 corresponds to the position of the rectangular opening in the second mounting bracket 607.

When the small key blanking mechanism 60 acts, the third motor 601 pushes the small key cutting assembly 605 downwards, the second blade 6051 cuts off the joint of the small key C and the second connecting rod C4, the second bracket B3 falls into the second waste box 61 from the second bracket opening 6060, the small key retaining ring C1 is blocked on the small key opening 6061, and the defective product is a defective product if the size of the small key retaining ring C1 is smaller than that of the small key opening 6061 and directly falls into the second waste box 61.

As shown in fig. 13, the small button taking mechanism 62 includes a second stepping motor 620, a third fixing plate 621, two second tension wheels 622, two fifth air cylinders 623, a third air cylinder mounting plate 624, two second synchronizing wheels 625, two fifth suction nozzles 626 and two second suction nozzle shafts 627.

The second stepping motor 620 is installed at the middle of the left side of the third cylinder installation plate 624, and the third cylinder installation plate 624 is fixed to the small key moving robot 63 through the third fixing plate 621. A notch, namely a third notch 6240 and a fourth notch 6241, is respectively arranged at the front side and the rear side of the third cylinder mounting plate 624. The two second tension pulleys 622 are fixed to the left side of the third cylinder mounting plate 624 by two second tension pulley fixing seats 6220, respectively, and the positions of the two second tension pulleys 622 correspond to the positions of the third notch 6240 and the fourth notch 6241, respectively. The two second suction nozzle shafts 627 are respectively installed in the middle of the right side of the third cylinder installation plate 624 through two shaft sleeves, the two second synchronizing wheels 625 are respectively installed on the upper portions of the two second suction nozzle shafts 627, and the two fifth suction nozzles 626 are respectively arranged at the bottom ends of the two second suction nozzle shafts 627. The output shaft of the first stepping motor 520 is connected to two second synchronizing wheels 625 through a belt, and the tension of the belt is adjusted through two second tension wheels 622. Two fifth cylinders 623 are respectively installed at the right side of the third cylinder installation plate 624, and the two fifth cylinders 623 are respectively located at both sides of the two second suction nozzle shafts 627. The output shafts of the two fifth cylinders 623 are connected to the top ends of the two second nozzle shafts 627 by two second connecting pieces 6231, respectively.

When the small key material taking mechanism 62 is operated, the two fifth air cylinders 623 push the two second suction nozzle shafts 627 downward respectively, the two fifth suction nozzles 626 suck the bottom ends of the number keys B respectively, the two fifth air cylinders 623 reset, the small key moving manipulator 63 drives the two second suction nozzle shafts 627 to move to the shell a on the third station 304, the second stepping motor 620 drives the two second suction nozzle shafts 627 to rotate 180 °, and then the two fifth air cylinders 623 push the two second suction nozzle shafts 627 downward respectively, the two fifth suction nozzles 626 insert the upper parts of the two small keys C into the small key mounting opening a2 respectively, and the small key retainer ring C1 is retained outside the small key mounting opening a 2.

As shown in fig. 14, the small key moving manipulator 63 includes a fifth servo motor 630, a fifth transmission screw pair 631, a sixth servo motor 632, a sixth transmission screw pair 633 and a second servo motor fixing base 631.

An output shaft of the fifth servo motor 630 is connected with a fifth transmission screw pair 631, the small key material taking mechanism 62 is fixed on the moving end of the fifth transmission screw pair 631, and the fifth servo motor 630 drives the small key material taking mechanism 62 to move back and forth; the fifth servo motor 630 and the fifth transmission screw pair 631 are mounted on a moving end of the sixth transmission screw pair 633, an output shaft of the sixth servo motor 632 is connected with the sixth transmission screw pair 633, and the sixth servo motor 632 drives the fifth servo motor 630 to move left and right. The sixth servo motor 632 and the sixth transmission screw pair 633 are mounted on the frame 1 through the second servo motor fixing seat 631.

The working principle of the small key assembly device 6 is as follows: the small key assembly C2 is carried by the key loading device 4 into the small key blanking die 606. Third motor 601 pushes button cut-off assembly 605 downward, second blade 6051 cuts off the connection of button C and second connecting bar C4, and second rack C3 drops from second rack port 6060 into second waste bin 61. The fourth servo motor 630 drives the fifth suction nozzle 626 to move to the small key blanking die 606, the two fifth air cylinders 623 push the two second suction nozzle shafts 627 downward respectively, the two fifth suction nozzles 626 suck the bottom end of one small key C respectively, the two fifth air cylinders 623 reset, and the fourth servo motor 630 drives the two second suction nozzle shafts 627 to move to the shell a on the third station 304. The second stepping motor 620 drives the two second suction nozzle shafts 627 to rotate 180 °, and then the two second suction nozzle shafts 627 are respectively pushed downward by the two fifth cylinders 623, the upper parts of the two small keys C are respectively inserted into the small key mounting openings a2 by the two fifth suction nozzles 626, and the small key retaining rings C1 are retained outside the small key mounting openings a 2.

As shown in fig. 15, the cushion feeding device 7 includes a cushion moving robot 70 and a cushion box 71.

The position of the pad moving robot 70 corresponds to the position of the fourth station 305. The pad moving robot 70 includes a fourth pushing cylinder 701, a fourth sliding assembly 702, a first sliding assembly fixing base 703, a fourth lifting cylinder 704, a fourth nozzle mounting plate 705, and a sixth suction nozzle 706.

The fourth pushing cylinder 701 and the fourth sliding assembly 702 are mounted on the first sliding assembly fixing seat 703, and the first sliding assembly fixing seat 703 is fixed on the machine frame 1. An output shaft of the fourth pushing cylinder 701 is connected with a moving end of the fourth sliding assembly 702, and the fourth pushing cylinder 701 drives the moving end of the fourth sliding assembly 702 to move back and forth.

A fourth lifting cylinder 704 is installed at the moving end of the fourth sliding assembly 702, an output shaft of the fourth lifting cylinder 704 is connected with the top end of a fourth suction nozzle mounting plate 705 downwards, and a sixth suction nozzle 706 is installed at the bottom end of the fourth suction nozzle mounting plate 705. The rubber mat box 71 is fixed on the frame 1.

The working principle of the rubber gasket feeding device 7 is as follows: the fourth pushing cylinder 701 drives the fourth lifting cylinder 704 to move to the rubber mat box 71, the fourth lifting cylinder 704 drives the sixth suction nozzle 706 to suck the rubber mat D downwards, and the fourth cylinder 71 resets. The fourth pushing cylinder 701 drives the sixth suction nozzle 706 to move to the upper side of the housing a at the fourth station 305, and the fourth lifting cylinder 704 drives the sixth suction nozzle 706 to move downwards and place the rubber mat D on the rubber mat mounting opening a 3.

As shown in fig. 16, the casing discharging device 8 includes a second transport rack 80, a fourth motor 81, a second conveyor belt 82, a second fixing leg 83, and a second casing suction robot 84. The second transporting frame 80 is fixed to the left side of the frame 1 by a second fixing leg 83. A fourth motor 81 and a second conveyor belt 82 are connected to the second transport rack 80, and a second housing suction robot 84 is provided on the discharge end of the second transport rack 80. The fourth motor 81 is connected to a second conveyor belt 82, and the casing a moves on the second conveyor belt 82 from the feed end to the discharge end of the second transport rack 80.

The second casing suction robot 84 includes a fifth pushing cylinder 840, a fifth sliding assembly 841, a second sliding assembly fixing seat 843, a fifth lifting cylinder 845, a fifth suction nozzle mounting plate 846, and a seventh suction nozzle 847.

A fifth push cylinder 840 is installed at the feeding end of the second transporting carriage 80. The fifth sliding assembly 841 is fixed to the frame 1 by a second sliding assembly fixing seat 843, and the second sliding assembly fixing seat 843 is located at the feeding end of the second transport frame 80. The output shaft of the fifth pushing cylinder 840 is connected to the moving end of the fifth sliding assembly 841. The fifth pushing cylinder 840 drives the moving end of the fifth sliding assembly 841 to move left and right. The fifth lifting cylinder 845 is installed on the moving end of the fifth sliding assembly 841, and the output shaft of the fifth lifting cylinder 845 is connected to the fifth nozzle installation plate 846. The position of the fifth nozzle mounting plate 846 corresponds to the position of the fourth station 305. The seventh suction nozzle 847 is plural, and the seventh suction nozzle 847 is mounted on the bottom end of the fifth suction nozzle mounting plate 846.

The working principle of the shell blanking device 8 is as follows: the fifth pushing cylinder 840 pushes the fifth lifting cylinder 845 to move to the fourth station 305, the fifth lifting cylinder 845 falls down, the seventh suction nozzle 847 sucks the shell A on the fourth station 305, the fifth pushing cylinder 840 drives the shell A to move to the feeding end of the second conveying frame 80, the seventh suction nozzle 847 puts the shell A on the second conveying belt 82, and the shell A moves to the discharging end from the feeding end of the second conveying frame 80 on the second conveying belt 82.

The use principle of the telephone panel assembling equipment is as follows: the shell a moves on the first conveyor belt 22 from the infeed end to the outfeed end of the first carriage 20. The first pushing cylinder 240 drives the sliding block 2411 and the first lifting cylinder 245 thereon to move to the discharging end of the first transportation frame 20 along the sliding rail 2410, the first lifting cylinder 245 drives the first suction nozzle 247 to downwardly suck the shell a on the discharging end of the first transportation frame 20, and the first pushing cylinder 240 drives the first suction nozzle 247 to move to the transportation device 3 and place the shell a on the first station 302. The second lifting cylinder 34 drives the second suction nozzle 31 to suck the shell A on the first station 302 upwards, the shell A is jacked up and separated from the limiting angle block 301, the second suction nozzle mounting plate 32 is lifted above the limiting angle block 301, and the second pushing cylinder 37 drives the shell A to move to the second station 303. The second lifting cylinder 34 resets, the shell A is placed on the limiting corner block 301, and the second pushing cylinder 37 retracts to reset.

The third pushing cylinder 422 drives the third suction nozzle mounting plate 420 to move above the first barrier strip 401 and the second barrier strip 410, the third lifting cylinder 423 drives the third suction nozzle 421 to move downwards, the third suction nozzle 421 respectively sucks the number key assembly B2 and the small key assembly C2 in the first barrier strip 401 and the second barrier strip 410, the third lifting cylinder 423 resets upwards, and the third pushing cylinder 422 drives the number key assembly B2 and the small key assembly C2 to respectively convey the number key blanking die 506 and the small key blanking die 606.

The second motor 501 pushes the number key cutting assembly 505 downwards, the first blade 5051 cuts the connection of the number key B and the first connecting rod B4, the first carriage B3 drops from the first carriage port 5060 into the first waste bin 51, and the number key retainer B1 is stopped on the number key port 5061; the third motor 601 pushes the small key cutting assembly 605 downwards, the second blade 6051 cuts off the connection between the small key C and the second connecting rod C4, the second bracket B3 falls into the second waste bin 61 from the second bracket opening 6060, and the small key retainer C1 is stopped on the small key opening 6061.

The third servo motor 530 drives the fourth suction nozzle 526 to move to the position of the number key blanking die 506, the two fourth air cylinders 523 respectively push the two first suction nozzle shafts downwards, the two fourth suction nozzles 526 respectively suck the bottom end of one number key B, the two fourth air cylinders 523 reset, and the third servo motor 530 drives the two first suction nozzle shafts to move to the position of the shell a on the second station 303. The first stepping motor 520 drives the two first suction nozzle shafts to rotate 180 °, and then the two fourth air cylinders 523 push the two first suction nozzle shafts downward respectively, the two fourth suction nozzles 526 insert the upper parts of the two number keys B into the number key mounting openings a1 respectively, and the number key retainer B1 is retained outside the number key mounting openings a 1. The second lifting cylinder 34 drives the second suction nozzle 31 to suck the shell A on the second station 303 upwards, the shell A is jacked up and separated from the limiting corner block 301, the second suction nozzle mounting plate 32 is lifted above the limiting corner block 301, and the second pushing cylinder 37 drives the shell A to move to the third station 303. The second lifting cylinder 34 resets, the shell A is placed on the limiting corner block 301, and the second pushing cylinder 37 retracts to reset. The fourth servo motor 630 drives the fifth suction nozzle 626 to move to the small key blanking die 606, the two fifth air cylinders 623 push the two second suction nozzle shafts 627 downward respectively, the two fifth suction nozzles 626 suck the bottom end of one small key C respectively, the two fifth air cylinders 623 reset, and the fourth servo motor 630 drives the two second suction nozzle shafts 627 to move to the shell a on the third station 304. The second stepping motor 620 drives the two second suction nozzle shafts 627 to rotate 180 °, and then the two second suction nozzle shafts 627 are respectively pushed downward by the two fifth cylinders 623, the upper parts of the two small keys C are respectively inserted into the small key mounting openings a2 by the two fifth suction nozzles 626, and the small key retaining rings C1 are retained outside the small key mounting openings a 2. The second lifting cylinder 34 drives the second suction nozzle 31 to suck the shell A on the third station 304 upwards, the shell A is jacked up and separated from the limiting corner block 301, the second suction nozzle mounting plate 32 is lifted above the limiting corner block 301, and the second pushing cylinder 37 drives the shell A to move to the fourth station 303. The second lifting cylinder 34 resets, the shell A is placed on the limiting corner block 301, and the second pushing cylinder 37 retracts to reset; the fourth pushing cylinder 701 drives the fourth lifting cylinder 704 to move to the rubber mat box 71, the fourth lifting cylinder 704 drives the sixth suction nozzle 706 to suck the rubber mat D downwards, and the fourth cylinder 71 resets. The fourth pushing cylinder 701 drives the sixth suction nozzle 706 to move to the upper side of the housing a at the fourth station 305, and the fourth lifting cylinder 704 drives the sixth suction nozzle 706 to move downwards and place the rubber mat D on the rubber mat mounting opening a 3.

The fifth pushing cylinder 840 pushes the fifth lifting cylinder 845 to move to the fourth station 305, the fifth lifting cylinder 845 falls down, the seventh suction nozzle 847 sucks the shell A on the fourth station 305, the fifth pushing cylinder 840 drives the shell A to move to the feeding end of the second conveying frame 80, the seventh suction nozzle 847 puts the shell A on the second conveying belt 82, and the shell A moves to the discharging end from the feeding end of the second conveying frame 80 on the second conveying belt 82.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention, including any reference to the above-mentioned embodiments. Various modifications to these embodiments will be readily apparent to those skilled in the art. The general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An assembly loading attachment of the panel key set of the telephone, wherein the apparatus includes installing the number key set assembly feed mechanism (40), small key set assembly feed mechanism (41) and absorbing the mechanical arm mechanism (42) on the stander (1); a first conveying port (11) and a second conveying port (12) are arranged on the front side of the rack (1), the positions of the digital key assembly feeding mechanism (40) and the small key assembly feeding mechanism (41) respectively correspond to the positions of the first conveying port (11) and the second conveying port (12), and the digital key assembly feeding mechanism (40) and the small key assembly feeding mechanism (41) are respectively used for conveying the digital key assembly (B2) to the digital key assembly device (5) and conveying the small key assembly (C2) to the small key assembly device (6); the position of a digital key assembly feeding mechanism (40) corresponds to the position of a first conveying port (11), the position of a small key assembly feeding mechanism (41) corresponds to the position of a second conveying port (12), an absorbing manipulator mechanism (42) is arranged on the rack (1), and the position of the absorbing manipulator mechanism (42) is positioned between the digital key assembly feeding mechanism (40) and the small key assembly feeding mechanism (41);

the suction manipulator mechanism (42) comprises a third suction nozzle mounting plate (420), a third suction nozzle (421), a third pushing cylinder (422), a third lifting cylinder (423), a cylinder fixing seat (424) and a third sliding assembly (425); the third suction nozzles (421) are arranged at the bottom ends of two sides of the third suction nozzle mounting plate (420), and the positions of the third suction nozzles (421) at the two sides respectively correspond to the positions of the first barrier strip (401) and the second barrier strip (410); an output shaft of the third lifting cylinder (423) is connected with the middle part of the third suction nozzle mounting plate (420), and the third lifting cylinder (423) is mounted on the third sliding assembly (425); the third sliding assembly (425) and the third pushing cylinder (422) are arranged on a cylinder fixing seat (424), and the cylinder fixing seat (424) is fixed on the rack (1); an output shaft of the third pushing cylinder (422) is connected with a third sliding assembly (425), and the third pushing cylinder (422) drives the third lifting cylinder (423) to move back and forth along the third sliding assembly (425); when the suction manipulator mechanism (42) acts, the third pushing cylinder (422) drives the third suction nozzle mounting plate (420) to move above the first barrier strip (401) and the second barrier strip (410), the third lifting cylinder (423) drives the third suction nozzle (421) to move downwards, the third suction nozzle (421) respectively sucks a digital key assembly (B2) and a small key assembly (C2) in the digital key assembly feeding mechanism (40) and the small key assembly feeding mechanism (41), the third lifting cylinder (423) resets upwards, and the third pushing cylinder (422) drives the digital key assembly (B2) and the small key assembly (C2) to respectively move into the digital key assembly device (5) and the small key assembly device (6); the digital key assembly feeding mechanism (40) comprises a first blocking strip (401), a first discharging plate (402), a first servo motor (403), a first transmission screw pair (404) and a first feeding block (405); the first barrier strips (401) are multiple, the first barrier strips (401) are vertically enclosed into a rectangular shape and are fixed on the top end of the first material placing plate (402), and the digital key assembly (B2) is positioned among the first barrier strips (401); a first servo motor (403) and a first transmission screw pair (404) are installed in the rack (1), the first servo motor (403) is connected with the first transmission screw pair (404), a first feeding block (405) is connected with the moving end of the first transmission screw pair (404), and the first feeding block (405) upwards passes through a first conveying port (11) and is fixed at the lower end of a first discharging plate (402); a first servo motor (403) drives a first feeding block (405) to move up and down along a first transmission screw pair (404); when the number key assembly feeding mechanism (40) acts, the first servo motor (403) drives the first feeding block (405) to move upwards along the first transmission screw pair (404), and the first feeding block (405) enables the first discharging plate (402) and the number key assembly (B2) thereon to be lifted upwards.

2. The assembling and feeding device of the telephone set panel key according to claim 1, wherein the small key assembly feeding mechanism (41) comprises a second barrier strip (410), a second material discharging plate (411), a second servo motor (412), a second transmission screw pair (413) and a second feeding block (414); the second barrier strips (410) are multiple, a plurality of second barrier strips (410) are vertically enclosed into a rectangular shape and are fixed on the top end of the second material placing plate (411), and the digital key assembly (B2) is positioned among the second barrier strips (410); the second servo motor (412) and the second transmission screw pair (413) are installed in the rack (1), and the second servo motor (412) is connected with the second transmission screw pair (413); the second feeding block (414) is connected with the moving end of the second transmission screw pair (413), and the second feeding block (414) upwards passes through the first conveying port (11) and is fixed at the lower end of the second discharging plate (411); the second servo motor (412) drives the second feeding block (414) to move up and down along the second transmission screw pair (413); when the small key assembly feeding mechanism (41) acts, the second servo motor (412) drives the second feeding block (414) to move upwards along the second transmission screw pair (413), and the second feeding block (414) enables the second discharging plate (411) and the small key assembly (C2) thereon to be lifted upwards.

3. The equipment for assembling the telephone panel is characterized by comprising a rack (1), and a shell feeding device (2), a conveying device (3), a key feeding device (4), a digital key assembling device (5), a small key assembling device (6), a rubber mat feeding device (7) and a shell blanking device (8) which are arranged on the rack (1); the key feeding device (4) adopts the assembly feeding device as claimed in any one of claims 1-2.

4. A method of assembling a telephone face plate, characterized in that it is produced using the apparatus of claim 3.