CN210223865U

CN210223865U - Keyboard bottom plate material loading machine

Info

Publication number: CN210223865U
Application number: CN201921625039.7U
Authority: CN
Inventors: Liangyu Deng; 邓良玉; Xin Qian; 钱鑫; Lijun Ni; 倪利军
Original assignee: Wujiang Leiou Industry Co Ltd
Current assignee: Wujiang Leiou Industry Co Ltd
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2020-03-31
Anticipated expiration: 2029-09-27

Abstract

The utility model discloses a keyboard floor material loading machine, which comprises a mounting bottom plate, an angle adjusting device, a grabbing adjusting device and an adsorption grabbing device, wherein mounting holes are symmetrically arranged at four corners of the wall body of the mounting bottom plate, the angle adjusting device is arranged at the middle part of the upper end of the mounting bottom plate, the grabbing adjusting device is arranged at the upper end of the angle adjusting device, a flat plate is arranged at the front end of the grabbing adjusting device, and the adsorption grabbing device is arranged at the upper end of the flat plate, so that the keyboard floor material loading machine is simple to operate, can realize rapid negative pressure adsorption material grabbing and air inflation separation material unloading, reduce the participation force of personnel, reduce the human error rate, can efficiently regulate and control the plane angle, height and length interval of material grabbing and loading, can realize accurate material grabbing and loading positioning, ensure the material loading quality of the keyboard floor, and lighten the work of the personnel, the processing efficiency of the keyboard is improved.

Description

Keyboard bottom plate material loading machine

Technical Field

The utility model relates to a keyboard processing equipment technical field specifically is a keyboard floor material loading machine.

Background

With the progress of science and technology, electronic computers become essential tools for daily life and even work of people, and the computers are modern electronic computing machines for high-speed computing, can perform numerical computation and logic computation, and also have a memory function. The computer is composed of hardware equipment and software equipment, wherein the keyboard is used for inputting characters, numbers and the like to the computer by personnel and controlling the computer, in the processing and production process of the keyboard, the keyboard bottom plate needs to be fed to a station for subsequent personnel or mechanical assembly, and special feeding machines are needed for assistance, but the traditional feeding machines have various problems, are complex to operate, cannot realize rapid material grabbing and discharging, have large participation force of personnel, have high artificial error rate, cannot efficiently regulate and control the plane angle, height and length distance of material grabbing and feeding, cannot realize accurate material grabbing, feeding and positioning, cannot ensure the feeding quality of the keyboard bottom plate, invisibly increase the working burden of the personnel, and have low processing efficiency of the keyboard, therefore, the realization of a keyboard bottom plate feeding machine capable of solving the problems is imperative.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a keyboard floor material loading machine, the material is grabbed in accurate material loading, has guaranteed keyboard floor's material loading quality, has alleviateed personnel's work burden, has promoted the machining efficiency of keyboard, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a keyboard bottom plate feeding machine comprises an installation bottom plate, an angle adjusting device, a grabbing adjusting device and an adsorption grabbing device;

installing a bottom plate: mounting holes are symmetrically formed in four corners of the wall body of the mounting bottom plate;

the angle adjusting device comprises: the angle adjusting device is arranged in the middle of the upper end of the mounting bottom plate;

grabbing an adjusting device: the grabbing adjusting device is arranged at the upper end of the angle adjusting device, and a flat plate is arranged at the front end of the grabbing adjusting device;

adsorbing and grabbing the device: the adsorption gripping device is arranged at the upper end of the flat plate;

wherein: still include the PLC controller, the PLC controller sets up in the upper end of mounting plate, and external power supply is connected to the input electricity of PLC controller, and easy operation can realize quick negative pressure absorption and grab the material and aerify the separation and unload, has reduced personnel's participation dynamics, has reduced artificial error rate, can grab the plane angle of material loading high-efficiently, height and length interval regulation and control to can realize grabbing material loading location accurately, the material loading quality of keyboard floor has been guaranteed, personnel's work burden has been alleviateed, the machining efficiency of keyboard has been promoted.

Further, angle adjusting device includes flat face bearing, toothed disc, motor and gear, flat face bearing sets up in mounting plate's upper end middle part, and the toothed disc sets up in flat face bearing's upper end, and the motor sets up in mounting plate's upper end edge, and the gear sets up in the output shaft upper end of motor, and is connected with the toothed disc meshing, and the output of PLC controller is connected to the input electricity of motor, realizes snatching the regulation with the material loading angle.

Further, the grabbing adjusting device comprises a groove vertical plate, a rotating screw rod, an adjusting support block, a rotating motor and an electric push rod, the recess riser sets up in the upper end center department of toothed disc, the upper and lower inner wall rotation that the both ends of rotating the lead screw pass through bearing and recess riser is connected, adjust a piece and the threaded connection who rotates the lead screw, the slider of adjusting a piece both sides and the spout sliding connection of recess riser inner wall, the front end of adjusting a piece extends to the outside of recess riser and is equipped with electric putter in end department, electric putter's flexible end front portion and dull and stereotyped trailing flank fixed connection, the rotating electrical machines sets up in the upper end of recess riser, the output shaft of rotating electrical machines passes the upper end through-hole of recess riser and with the top fixed connection who rotates the lead screw, the output of PLC controller is connected to the equal electricity of rotating electrical machines and electric putter's input, the realization snatchs regulation with material loading height and length.

Further, adsorb grabbing device includes sucking disc, aspiration pump, four-way pipe, trachea and inflation solenoid valve, the sucking disc symmetry sets up in the mounting groove of dull and stereotyped bottom, and the aspiration pump sets up in dull and stereotyped upper end, and the gas outlet of four-way pipe links to each other with the intake pipe of aspiration pump, and two air inlets of four-way pipe link to each other through the gas outlet of trachea with the sucking disc respectively, and the inflation port department of four-way pipe is equipped with the gas tube, and inflation solenoid valve establishes ties in the inside of gas tube, and the output of PLC controller is connected to the equal electricity of input of aspiration pump and inflation solenoid valve, can adsorb fast the negative pressure and.

Further, still include axis of rotation, stabilizing gear, frame plate, angle sensor and rotation axis, the number of axis of rotation is two, the bottom of axis of rotation all is rotated through the upper end of bearing with mounting plate and is connected, stabilizing gear sets up in the upper end of axis of rotation, stabilizing gear all is connected with the toothed disc meshing, the frame plate sets up in mounting plate's upper end, angle sensor sets up in the upper end bottom surface of frame plate, shaft coupling and angle sensor's output shaft fixed connection is passed through on the top of rotation axis, the bottom of rotation axis and the upper end center fixed connection of gear, the input of PLC controller is connected to angle sensor's output electricity, the stable direction that provides angle modulation supports, be convenient for accurate location turned angle.

Further, still include first range finding sensor and second range finding sensor, first range finding sensor passes through the mounting bracket and sets up in the front side bottom of recess riser, and corresponds the setting with the regulation piece, and second range finding sensor sets up on dull and stereotyped trailing flank, and corresponds the setting with the recess riser, and the input of PLC controller is connected to the equal electricity of output of first range finding sensor and second range finding sensor, can accurately grab material and blowing location.

Compared with the prior art, the beneficial effects of the utility model are that: this keyboard floor material loading machine has following benefit:

1. the rotary angle, the lifting height and the telescopic length of the grabbing material are set according to the positions of keyboard bottom plate material storage and stations in advance, the sucker is tightly attached to a keyboard bottom plate to be fed, the sucker is regulated and controlled through a PLC controller, the air pump runs, partial gas in the sucker is pumped out through an air inlet pipe of the air pump, a four-way pipe and an air pipe, the sucker negative pressure tightly and firmly adsorbs the keyboard bottom plate to be fed, stable grabbing and stable grabbing of the material can be achieved, after the keyboard bottom plate is fed onto the stations, the air inflation solenoid valve is powered on, the air inflation pipe at the air inflation port of the four-way pipe is dredged and inflated, the sucker is inflated with the gas and returns to the normal pressure, the sucker is released from the keyboard bottom plate, rapid unloading is achieved, the participation of personnel is reduced, the human error rate.

2. The angle adjustment of the upper device is realized under the rotating supporting action of a plane bearing because the bottom end of the rotating shaft is rotatably connected with the upper end of the mounting bottom plate through a bearing and the stabilizing gear is rotatably connected with the gear disc so as to realize stable guiding of the gear disc and further ensure the stability of the device in the rotating process, the rotating angle of the gear disc is rapidly calculated according to the gear ratio of the gear disc to the gear according to the real-time detection of the gear rotating angle by the angle sensor, the rotating angle is more reasonably and accurately controlled, the feeding to a station and the positioning of a material grabbing angle are convenient, the angle adjustment is stable and accurate.

3. The height of the adjusting support block and the front side device can be adjusted by adjusting and controlling the PLC controller, the rotating motor rotates, the output shaft rotates, because two ends of the rotating screw rod are rotationally connected with the upper inner wall and the lower inner wall of the groove vertical plate through the bearings, the adjusting support block is connected with the screw thread of the rotating screw rod, the sliding blocks at two sides of the adjusting support block are slidably connected with the sliding grooves at the inner wall of the groove vertical plate, the height of the adjusting support block and the front side device can be adjusted, because the first distance measuring sensor is arranged corresponding to the adjusting support block, the luminotron in the first distance measuring sensor emits infrared light, the photosensitive receiving tube in the first distance measuring sensor receives the reflected light of an object in front, the distance of the object can be judged according to the strength of the emitted light, monitoring information is presented to the PLC controller for integration and analysis, the distance between the adjusting support blocks can be monitored, the same range finding principle, the location to station material loading and grabbing material length interval is convenient to on more accurately with keyboard bottom plate material loading to the station, guaranteed keyboard bottom plate's material loading quality, alleviateed personnel's work burden, promoted the machining efficiency of keyboard.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is the utility model discloses adsorb grabbing device internal section structure schematic diagram.

In the figure: the device comprises a mounting base plate 1, an angle adjusting device 2, a plane bearing 21, a gear disc 22, a motor 23, a gear 24, a grabbing adjusting device 3, a groove vertical plate 31, a rotating screw 32, an adjusting support block 33, a rotating motor 34, an electric push rod 35, a flat plate 4, an adsorbing grabbing device 5, a suction cup 51, a suction pump 52, a four-way pipe 53, an air pipe 54, an inflation electromagnetic valve 55, a PLC (programmable logic controller) 6, a rotating shaft 7, a stabilizing gear 8, a frame plate 9, an angle sensor 10, a rotating shaft 11, a first distance measuring sensor 12, a second distance measuring sensor 13 and a mounting hole 14.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a keyboard bottom plate feeding machine comprises an installation bottom plate 1, an angle adjusting device 2, a grabbing adjusting device 3 and an adsorption grabbing device 5;

mounting the bottom plate 1: the mounting bottom plate 1 provides bottom support, mounting holes 14 are symmetrically formed in four corners of the wall body of the mounting bottom plate 1, the mounting holes 14 in the four corners of the wall body of the mounting bottom plate 1 are connected with mounting positions through bolts, and mounting and fixing of the mounting bottom plate 1 and devices above the mounting bottom plate 1 are achieved;

angle adjustment device 2: the angle adjusting device 2 is arranged in the middle of the upper end of the mounting base plate 1, the angle adjusting device 2 comprises a plane bearing 21, a gear disc 22, a motor 23 and a gear 24, the plane bearing 21 is arranged in the middle of the upper end of the mounting base plate 1, the gear disc 22 is arranged at the upper end of the plane bearing 21, the motor 23 is arranged at the edge of the upper end of the mounting base plate 1, the gear 24 is arranged at the upper end of an output shaft of the motor 23 and is in meshed connection with the gear disc 22, the motor 23 runs, the output shaft rotates, and due to the fact that the gear 24 is in meshed connection with the gear disc 22, under the rotating supporting effect of the plane bearing 21, angle adjustment of;

grabbing and adjusting device 3: the grabbing adjusting device 3 is arranged at the upper end of the angle adjusting device 2, a flat plate 4 is arranged at the front end of the grabbing adjusting device 3, the grabbing adjusting device 3 comprises a groove vertical plate 31, a rotating screw rod 32, an adjusting support block 33, a rotating motor 34 and an electric push rod 35, the groove vertical plate 31 is arranged at the center of the upper end of the gear disc 22, two ends of the rotating screw rod 32 are rotatably connected with the upper inner wall and the lower inner wall of the groove vertical plate 31 through bearings, the adjusting support block 33 is connected with the rotating screw rod 32 through threads, sliding blocks at two sides of the adjusting support block 33 are slidably connected with sliding grooves in the inner wall of the groove vertical plate 31, the front end of the adjusting support block 33 extends to the outer part of the groove vertical plate 31, the electric push rod 35 is arranged at the end, the front part of the telescopic end of the electric push rod 35 is fixedly connected with the rear side face of the flat plate 4, the rotating motor 34 is arranged at, the rotary motor 34 rotates, the output shaft rotates, the two ends of the rotary screw rod 32 are rotationally connected with the upper inner wall and the lower inner wall of the groove vertical plate 31 through bearings, the adjusting support block 33 is connected with the threads of the rotary screw rod 32, the sliding blocks on the two sides of the adjusting support block 33 are in sliding connection with the sliding grooves in the inner wall of the groove vertical plate 31, the height adjustment of the adjusting support block 33 and a front side device is realized, and the adjustment of the feeding height and the interval length is realized;

adsorption gripping device 5: the adsorption gripping device 5 is arranged at the upper end of the flat plate 4, the adsorption gripping device 5 comprises a sucker 51, an air pump 52, a four-way pipe 53, an air pipe 54 and an inflation solenoid valve 55, the sucker 51 is symmetrically arranged in a mounting groove at the bottom of the flat plate 4, the air pump 52 is arranged at the upper end of the flat plate 4, an air outlet of the four-way pipe 53 is connected with an air inlet pipe of the air pump 52, two air inlets of the four-way pipe 53 are respectively connected with an air outlet of the sucker 51 through the air pipe 54, an inflation pipe is arranged at an air inflation port of the four-way pipe 53, the inflation solenoid valve 55 is connected in series inside the inflation pipe, the sucker 51 is tightly attached to the keyboard bottom plate to be loaded, the air pump 52 operates, partial air in the sucker 51 is pumped out through the air inlet pipe of the air pump 52, the four-way pipe 53 and the air pipe 54, so, the inflation solenoid valve 55 is electrified, the inflation pipe at the inflation port of the four-way pipe 53 is dredged and inflated, the suction disc 51 is inflated with air to recover normal pressure, and the suction disc 51 and the keyboard bottom plate are released to realize quick unloading;

wherein: still include PLC controller 6, the normal operating of each device is regulated and control to PLC controller 6, and PLC controller 6 sets up in the upper end of mounting plate 1, and external power source is connected to PLC controller 6's input electricity, and PLC controller 6's output is all connected to the equal electricity of input of motor 23, rotating electrical machines 34, electric putter 35, aspiration pump 52 and inflation solenoid valve 55.

Wherein: the device comprises a rotating shaft 7, stabilizing gears 8, frame plates 9, angle sensors 10 and a rotating shaft 11, wherein the number of the rotating shaft 7 is two, the bottom ends of the rotating shafts 7 are rotatably connected with the upper end of an installation bottom plate 1 through bearings, the stabilizing gears 8 are arranged at the upper end of the rotating shafts 7, the stabilizing gears 8 are respectively meshed with a gear disc 22, the frame plates 9 are arranged at the upper end of the installation bottom plate 1, the angle sensors 10 are arranged at the bottom surface of the upper ends of the frame plates 9, the top ends of the rotating shafts 11 are fixedly connected with output shafts of the angle sensors 10 through shaft couplings, the bottom ends of the rotating shafts 11 are fixedly connected with the centers of the upper ends of gears 24, the output ends of the angle sensors 10 are electrically connected with the input end of a PLC 6, in the rotating process, as the bottom ends of the rotating shafts 7 are rotatably connected with the upper end of the, and then guarantee to rotate the stability of in-process device, because angle sensor 10's output shaft passes through the top fixed connection of shaft coupling with rotation axis 11, according to angle sensor 10 real-time detection gear 24 turned angle, in time present the detection information and give PLC controller 6 integration analysis, according to the gear ratio of toothed disc 22 and gear 24, calculate toothed disc 22's rotation angle fast, and then more reasonable accurate management and control turned angle, the convenient location to station material loading angle.

Wherein: and further comprises a first distance measuring sensor 12 and a second distance measuring sensor 13, wherein the first distance measuring sensor 12 is arranged at the bottom end of the front side of the groove vertical plate 31 through an installation frame, and is provided corresponding to the adjusting support block 33, the second distance measuring sensor 13 is provided on the rear side of the flat plate 4, and is arranged corresponding to the groove vertical plate 31, the output ends of the first distance measuring sensor 12 and the second distance measuring sensor 13 are electrically connected with the input end of the PLC controller 6, the light emitting tube in the first distance measuring sensor 12 emits infrared light, the light sensitive receiving tube in the first distance measuring sensor 12 receives the reflected light of the front object, the distance of the object can be judged according to the intensity of the emitted light, the distance between the support blocks 33 can be monitored and adjusted in real time, the positioning of the feeding height to the station is convenient, because the second distance measuring sensor 13 is arranged corresponding to the groove vertical plate 31, the positioning of the feeding length to the station is facilitated by the same distance measuring principle.

When in use: the installation holes 14 at four corners of the wall body of the installation bottom plate 1 are connected with the installation part through bolts, so that the installation and fixation of the installation bottom plate 1 and the upper device are realized, the rotation angle, the lifting height and the telescopic length of the material grabbing are set according to the positions of the material storage and the station of the keyboard bottom plate in advance, the sucker 51 is tightly attached to the keyboard bottom plate to be fed, the PLC 6 is used for regulating and controlling, the air pump 52 operates, partial gas in the sucker 51 is pumped out through the air inlet pipe, the four-way pipe 53 and the air pipe 54 of the air pump 52, so that the sucker 51 tightly and firmly adsorbs the keyboard bottom plate to be fed under the negative pressure, the stable material grabbing is realized, then the motor 23 operates, the output shaft rotates, the gear 24 is meshed with the gear plate 22, under the rotation supporting action of the plane bearing 21, the angle regulation of the upper device is realized, and in the rotation process, the bottom end, the stabilizing gear 8 is engaged with the gear disc 22, the stable guiding of the gear disc 22 is realized, and the stability of the device in the rotating process is further ensured, because the output shaft of the angle sensor 10 is fixedly connected with the top end of the rotating shaft 11 through a coupler, the rotating angle of the gear 24 is detected in real time according to the angle sensor 10, the detected information is timely presented and presented to the PLC 6 for integration and analysis, the rotating angle of the gear disc 22 is rapidly calculated according to the gear ratio of the gear disc 22 and the gear 24, and the rotating angle is more reasonably and accurately controlled, the positioning of the feeding angle to the station is convenient, the rotating motor 34 rotates, the output shaft rotates, because the two ends of the rotating screw rod 32 are rotationally connected with the upper inner wall and the lower inner wall of the groove vertical plate 31 through bearings, the adjusting support block 33 is connected with the rotating screw rod 32 through threads, the sliding blocks at the two sides of, the height adjustment of the adjusting support block 33 and the front side device is realized, because the first distance measuring sensor 12 is arranged corresponding to the adjusting support block 33, the luminotron in the first distance measuring sensor 12 emits infrared light, the photosensitive receiving tube in the first distance measuring sensor 12 receives the reflected light of the front object, the distance of the object can be judged according to the strength of the emitted light, the monitoring information is presented to the PLC controller 6 for integration and analysis, the distance between the support blocks 33 can be monitored and adjusted in real time, the positioning of the feeding height of the station is convenient, the electric push rod 35 is telescopic, because the second distance measuring sensor 13 is arranged corresponding to the groove vertical plate 31, the same distance measuring principle is adopted, the feeding length of the station is convenient, thereby more accurately feeding the keyboard bottom plate to the station, the inflation electromagnetic valve 55 is electrified, the inflation tube at the inflation opening of the four-way tube 53 is dredged and inflated, the sucker 51 is inflated to return to the normal pressure, and the, after unloading, the grabbing adjusting device 3 and the adsorption grabbing device 5 are reset to feed the next keyboard base plate, and after the use is finished, all the devices are recovered to original shapes.

It is to be noted that the specific model of the PLC controller 6 disclosed in this embodiment is siemens S7-200, both the first distance measuring sensor 12 and the second distance measuring sensor 13 may be happ GP2D12 infrared distance measuring sensors, the angle sensor 10 may be a tin-free chant high-precision angle sensor of the sensing technology limited company model AT216T, the operation of the PLC controller 6 control motor 23, the rotating motor 34, the electric push rod 35, the air suction pump 52 and the air inflation solenoid valve 55 all adopt a method commonly used in the prior art, and the angle sensor 10, the first distance measuring sensor 12, the second distance measuring sensor 13, the motor 23, the rotating motor 34, the electric push rod 35, the air suction pump 52 and the air inflation solenoid valve 55 are all original components commonly used in keyboard processing equipment in the prior art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a keyboard floor material loading machine which characterized in that: comprises a mounting bottom plate (1), an angle adjusting device (2), a grabbing adjusting device (3) and an adsorption grabbing device (5);

mounting base plate (1): mounting holes (14) are symmetrically formed at four corners of the wall body of the mounting bottom plate (1);

angle adjustment device (2): the angle adjusting device (2) is arranged in the middle of the upper end of the mounting bottom plate (1);

gripping adjustment device (3): the grabbing adjusting device (3) is arranged at the upper end of the angle adjusting device (2), and a flat plate (4) is arranged at the front end of the grabbing adjusting device (3);

adsorption gripping device (5): the adsorption grabbing device (5) is arranged at the upper end of the flat plate (4);

wherein: still include PLC controller (6), PLC controller (6) set up in the upper end of mounting plate (1), and external power source is connected to the input electricity of PLC controller (6).

2. The keyboard backplane feeder of claim 1, wherein: angle adjusting device (2) include flat bearing (21), toothed disc (22), motor (23) and gear (24), flat bearing (21) set up in the upper end middle part of mounting plate (1), and toothed disc (22) set up in the upper end of flat bearing (21), and motor (23) set up in the upper end edge of mounting plate (1), and gear (24) set up in the output shaft upper end of motor (23), and are connected with toothed disc (22) meshing, and the output of PLC controller (6) is connected to the input electricity of motor (23).

3. The keyboard backplane feeder of claim 2, wherein: snatch adjusting device (3) and include recess riser (31), rotate lead screw (32), adjust a piece (33), rotating electrical machines (34) and electric putter (35), recess riser (31) set up in the upper end center department of toothed disc (22), the upper and lower inner wall rotation that the both ends of rotating lead screw (32) pass through bearing and recess riser (31) is connected, adjust a piece (33) and the threaded connection who rotates lead screw (32), the slider of adjusting a piece (33) both sides and the spout sliding connection of recess riser (31) inner wall, the front end of adjusting a piece (33) extends to the outside of recess riser (31) and is equipped with electric putter (35) in end department, the flexible end front portion of electric putter (35) and the trailing flank fixed connection of dull and stereotyped (4), rotating electrical machines (34) set up in the upper end of recess riser (31), the output shaft of rotating electrical machines (34) passes the upper end through-hole of recess riser (31) and with the top fixed connection who rotates lead screw (32) The input ends of the rotating motor (34) and the electric push rod (35) are electrically connected with the output end of the PLC (6).

4. The keyboard backplane feeder of claim 1, wherein: adsorb grabbing device (5) including sucking disc (51), aspiration pump (52), four-way pipe (53), trachea (54) and inflation solenoid valve (55), sucking disc (51) symmetry sets up in the mounting groove of dull and stereotyped (4) bottom, and aspiration pump (52) set up in the upper end of dull and stereotyped (4), and the gas outlet of four-way pipe (53) links to each other with the intake pipe of aspiration pump (52), and two air inlets of four-way pipe (53) link to each other through the gas outlet of trachea (54) with sucking disc (51) respectively, and the gas inflation inlet department of four-way pipe (53) is equipped with the gas tube, and inflation solenoid valve (55) are established ties in the inside of gas tube, and the output of PLC controller (6) is all electrically connected to the input of aspiration pump (52) and inflation solenoid valve (.

5. The keyboard backplane feeder of claim 2, wherein: still include axis of rotation (7), stabilizing gear (8), frame plate (9), angle sensor (10) and rotation axis (11), the number of axis of rotation (7) is two, the bottom of axis of rotation (7) all is rotated through the upper end of bearing with mounting plate (1) and is connected, stabilizing gear (8) set up in the upper end of axis of rotation (7), stabilizing gear (8) all are connected with gear disc (22) meshing, frame plate (9) set up in the upper end of mounting plate (1), angle sensor (10) set up in the upper end bottom surface of frame plate (9), the output shaft fixed connection of shaft coupling and angle sensor (10) is passed through on the top of rotation axis (11), the bottom of rotation axis (11) and the upper end center fixed connection of gear (24), the input of PLC controller (6) is connected to the output electricity of angle sensor (10).

6. A keyboard floor feeder according to claim 3, wherein: still include first range finding sensor (12) and second range finding sensor (13), first range finding sensor (12) set up in the front side bottom of recess riser (31) through the mounting bracket, and correspond the setting with adjusting a piece (33), and second range finding sensor (13) set up on dull and stereotyped (4) trailing flank, and correspond the setting with recess riser (31), and the input of PLC controller (6) is all connected to the output of first range finding sensor (12) and second range finding sensor (13) electricity.