CN111182436A

CN111182436A - Testing device for loudspeaker cone

Info

Publication number: CN111182436A
Application number: CN202010153671.7A
Authority: CN
Inventors: 不公告发明人
Original assignee: Wenzhou Shunchuang Intelligent Technology Co ltd
Current assignee: JIAXING JINGAO ELECTRONICS Co.,Ltd.
Priority date: 2020-03-06
Filing date: 2020-03-06
Publication date: 2020-05-19
Anticipated expiration: 2040-03-06
Also published as: CN111182436B

Abstract

The invention discloses a device for inspecting a loudspeaker cone, which comprises an engine body, wherein a conveying cavity penetrating through the engine body from left to right is arranged in the engine body, a lifting cavity with a downward opening is arranged in the upper end wall of the conveying cavity, a translation cavity with a downward opening is arranged in the upper end wall of the lifting cavity, and a gripping device is arranged in the translation cavity.

Description

Testing device for loudspeaker cone

Technical Field

The invention relates to the technical field of speakers, in particular to a device for testing a speaker cone.

Background

The loudspeaker is a transducer for converting electric signals into acoustic signals, the quality of the loudspeaker has great influence on the sound quality, the loudspeaker is the weakest component in the sound equipment, and the loudspeaker is the most important component for sound effect, and the loudspeaker is various in types and has great price difference. The audio frequency electric energy makes the cone or diaphragm vibrate and generate resonance with the surrounding air to make sound through electromagnetic, piezoelectric or electrostatic effect.

In the speaker, the cone is very important, and he has directly influenced the quality of tone quality, and in actual production, conventional production line need be detected the product by the manual work at random, so the efficiency that detects is not high, extravagant manpower and time, and the problem also can not be found the very first time.

Disclosure of Invention

Aiming at the technical defects, the invention provides the device for inspecting the cone of the loudspeaker, which can overcome the defects.

The invention relates to a device for testing a loudspeaker cone, which comprises a machine body, wherein a left-right through conveying cavity is arranged in the machine body, a lifting cavity with a downward opening is arranged in the upper end wall of the conveying cavity, a translation cavity with a downward opening is arranged in the upper end wall of the lifting cavity, a gripping device is arranged in the translation cavity, a pulley cavity with an upward opening is arranged on the left side of the lower end wall of the conveying cavity, a pulley driving cavity is arranged on the rear side of the pulley cavity, a sound raising cavity with an upward opening is arranged on the right side of the pulley cavity and is positioned in the lower end wall of the conveying cavity, an output cavity is arranged below the pulley cavity, a conveying device is arranged in the output cavity, a partition cavity positioned below the sound raising cavity is arranged on the right side of the output cavity, a transfer cavity is arranged on the right side of the partition cavity, and the left end wall and the right end wall of the partition cavity are respectively communicated with the, the top in transfer chamber is provided with and is located the drive chamber on room right side of raising one's voice, the drive intracavity is provided with detection device, the drive chamber right side is provided with and is located end wall under the conveying chamber and opening compression chamber up.

Preferably, the transmission device comprises a main motor fixed in the left end wall of the output cavity, the right end of the main motor is in power connection with an output shaft, the right end of the output shaft is fixed with a first bevel gear, the upper end of the first bevel gear is engaged with a second bevel gear, the upper end of the second bevel gear is fixed with a second shaft rotatably arranged in the upper end wall of the output cavity, the upper end of the second shaft extends into the pulley driving cavity and is fixed with a sixth bevel gear, the front side of the sixth bevel gear is engaged with a seventh bevel gear, the front end of the seventh bevel gear is fixed with a driving shaft rotatably arranged in the front end wall of the pulley driving cavity, the front end of the driving shaft extends into the pulley cavity and is rotatably arranged in the front end wall of the pulley cavity, a driving pulley positioned in the pulley cavity is fixed on the driving shaft, and a belt is mounted on the driving pulley, the left side of driving pulley is provided with and is located band pulley chamber left side and pass through the driven pulley that the belt is connected, driven pulley fix set up in rotate on the driven shaft in band pulley chamber front end wall and the rear end wall, the right-hand member meshing of second bevel gear has third bevel gear, third bevel gear's right-hand member is fixed with and runs through the compartment chamber extends to the third axle in the transfer intracavity, the third axle rotate install slide set up in on the sliding block in the compartment intracavity, the lower extreme of sliding block is installed and is fixed the interval spring in the compartment chamber lower extreme wall, the top of sliding block is provided with and fixes the electro-magnet of compartment chamber upper end wall, the right-hand member of third axle is fixed with and is located the fourth bevel gear in the transfer intracavity.

Preferably, the detection device comprises a fixed block fixed on the lower end wall of the speaker cavity, permanent magnets with opposite polarities and located on the left side and the right side of the fixed block are installed below the left end wall and the right end wall of the speaker cavity, coils are wound on the fixed block, supports extending into the transmission cavity are fixed at the upper ends of the left end wall and the right end wall of the speaker cavity, a fifth bevel gear is meshed above the fourth bevel gear, a fifth shaft rotatably arranged in the upper end wall of the transfer cavity is fixed at the upper end of the fifth shaft, the upper end of the fifth shaft extends into the driving cavity and is fixed with a first sector gear, a compression rack slidably arranged in the right end wall of the driving cavity is meshed at the front end of the first sector gear, a pressure head slidably arranged in the compression cavity is fixed at the right end of the compression rack, and a first belt wheel fixed on the fifth shaft is arranged below the first sector gear, the middle belt is installed on the first belt wheel, a second belt wheel connected through the middle belt is arranged in front of the first belt wheel, the second belt wheel is fixed on a middle shaft rotatably arranged in the lower end wall of the driving cavity, a second sector gear fixed at the upper end of the middle shaft is arranged above the second belt wheel, and the rear end of the second sector gear is meshed with the compression rack.

Preferably, the gripping device comprises a translation block slidably disposed in the translation cavity, a translation driving cavity with a front opening and a rear opening is disposed in the translation block, a translation motor is fixed in an upper end wall of the translation driving cavity, a translation shaft is dynamically connected to a lower end of the translation motor, a translation gear is fixed to a lower end of the translation shaft, front and rear ends of the translation gear extend into the translation cavity and are engaged with translation racks symmetrically and fixedly disposed in front and rear end walls of the translation cavity, a lifting block slidably disposed in the lifting cavity is fixed to a lower end of the translation block, a lifting driving cavity with a left opening is disposed in the lifting block, a lifting motor is fixed in a front end wall of the lifting driving cavity, a lifting shaft is dynamically connected to a rear end of the lifting motor, a lifting gear is fixed to a rear end of the lifting shaft, and a lifting rack is engaged with a left side of the lifting gear, the lower extreme of lifting rack is fixed with the connecting plate, the lower extreme of lifter is provided with opening lift hole down, the downthehole slip of lifter is provided with the lifter, the rotation of the middle part of lifter is installed the connecting plate, the lower extreme of lifter can extend to the conveying intracavity just is fixed with the annular and snatchs the piece, the lower extreme of snatching the piece is provided with annular suction head, annular suction head passes through the trachea is connected with adsorption system.

The beneficial effects are that: the main motor is started to finally fix the cone on the support, then the coil transmits an electric signal, and the firmness degree of the cone is detected by applying the high-frequency high-current electric signal so as to automatically and fully automatically detect the cone, so that the cone is suitable for the drawing detection of a production line, the problems existing in a product can be found in time, and the detection efficiency is improved;

whether the rupture or the open-ended condition can appear in frequent extrusion in-process through the extrusion to the cone detects the material and takes place, after the detection finishes, main motor stops, detects the workman and follows the cone after taking out the detection in the compression chamber is done follow-up detailed analysis, can discover the problem of multiple existence simultaneously through the detection of multistep, and the automatic drawing of while is surveyed can improve the detection efficiency of product, makes the problem of discovery in time obtain collecting, makes the consumer can use better product.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a speaker cone inspection device according to the present invention;

3 FIG. 32 3 is 3 an 3 enlarged 3 sectional 3 view 3 taken 3 along 3 line 3 A 3- 3 A 3 of 3 FIG. 31 3; 3

FIG. 3 is an enlarged sectional view taken along line B-B of FIG. 1;

fig. 4 is an enlarged structural sectional view taken along the direction C-C in fig. 1.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

The invention will now be described in detail with reference to fig. 1-4, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The invention discloses a device for testing a loudspeaker cone, which comprises a machine body 10, wherein a left-right through conveying cavity 28 is arranged in the machine body 10, a lifting cavity 27 with a downward opening is arranged in the upper end wall of the conveying cavity 28, a translation cavity 26 with a downward opening is arranged in the upper end wall of the lifting cavity 27, a gripping device is arranged in the translation cavity 26, a pulley cavity 54 with an upward opening is arranged on the left side of the lower end wall of the conveying cavity 28, a pulley driving cavity 70 is arranged on the rear side of the pulley cavity, a sound raising cavity 22 with an upward opening is arranged on the right side of the pulley cavity 54, an output cavity 46 is arranged below the pulley cavity 54, a conveying device is arranged in the output cavity 46, a spacing cavity 41 positioned below the sound raising cavity 22 is arranged on the right side of the output cavity 46, a transfer cavity 38 is arranged on the right side of the spacing cavity 41, the left end wall and the right end wall of the compartment 41 are respectively communicated with the output cavity 46 and the transfer cavity 38, a driving cavity 33 located on the right side of the sound raising cavity 22 is arranged above the transfer cavity 38, a detection device is arranged in the driving cavity 33, and a compression cavity 31 which is located in the lower end wall of the conveying cavity 28 and has an upward opening is arranged on the right side of the driving cavity 33.

Advantageously, the transmission device comprises a main motor 50 fixed in the left end wall of the output cavity 46, an output shaft 49 is in power connection with the right end of the main motor 50, a first bevel gear 48 is fixed at the right end of the output shaft 49, a second bevel gear 45 is meshed with the upper end of the first bevel gear 48, a second shaft 47 rotatably arranged in the upper end wall of the output cavity 46 is fixed at the upper end of the second bevel gear 45, the upper end of the second shaft 47 extends into the pulley driving cavity 70 and is fixed with a sixth bevel gear 69, a seventh bevel gear 64 is meshed with the front side of the sixth bevel gear 69, a driving shaft 51 rotatably arranged in the front end wall of the pulley driving cavity 70 is fixed at the front end of the seventh bevel gear 64, the front end of the driving shaft 51 extends into the pulley cavity 54 and is rotatably arranged in the front end wall of the pulley cavity 54, and a driving pulley 52 positioned in the pulley cavity 54 is fixed on the driving shaft 51, a belt 53 is arranged on the driving pulley 52, a driven pulley 55 which is positioned at the left side of the pulley cavity 54 and is connected with the belt 53 is arranged at the left side of the driving pulley 52, the driven pulley 55 is fixed to a driven shaft 56 rotatably provided in the front and rear end walls of the pulley chamber 54, a third bevel gear 44 is meshed at the right end of the second bevel gear, a third shaft 43 which penetrates through the spacing cavity 41 and extends into the intermediate cavity 38 is fixed at the right end of the third bevel gear 44, said third shaft 43 is rotatably mounted on a sliding block 40 slidingly arranged in said compartment 41, the lower end of the sliding block 40 is provided with a spacing spring 42 fixed in the lower end wall of the spacing cavity 41, an electromagnet 39 fixed on the upper end wall of the spacing cavity 41 is arranged above the sliding block 40, a fourth bevel gear 37 positioned in the transfer chamber 38 is fixed to the right end of the third shaft 43.

Advantageously, the detecting device comprises a fixed block 23 fixed on the lower end wall of the speaker chamber 22, permanent magnets 25 with opposite polarities are mounted below the left and right end walls of the speaker chamber 22 and located on the left and right sides of the fixed block 23, a coil 24 is wound on the fixed block 23, a bracket 22 extending into the conveying chamber 28 is fixed on the upper end of the left and right end walls of the speaker chamber 22, a fifth bevel gear 36 is engaged above the fourth bevel gear 37, a fifth shaft 35 rotatably disposed in the upper end wall of the intermediate chamber 38 is fixed on the upper end of the fifth bevel gear 36, the upper end of the fifth shaft 35 extends into the driving chamber 33 and is fixed with a first sector gear 30, the front end of the first sector gear 30 is engaged with a compression rack 29 slidably disposed in the right end wall of the driving chamber 33, the right end of the compression rack 29 extends into the compression chamber 31 and is fixed with a pressure head 32 slidably disposed in the compression chamber 31, a first belt wheel 34 fixed on the fifth shaft 35 is arranged below the first sector gear 30, an intermediate belt 71 is mounted on the first belt wheel 34, a second belt wheel 66 connected with the intermediate belt 71 is arranged in front of the first belt wheel 34, the second belt wheel 66 is fixed on an intermediate shaft 67 rotatably arranged in the lower end wall of the driving cavity 33, a second sector gear 68 fixed on the upper end of the intermediate shaft 67 is arranged above the second belt wheel 66, and the rear end of the second sector gear 68 is meshed with the compression rack 28.

Beneficially, the gripping device includes a translation block 12 slidably disposed in the translation cavity 26, a translation driving cavity 11 with a front opening and a rear opening is disposed in the translation block, a translation motor 13 is fixed in an upper end wall of the translation driving cavity 11, a translation shaft 14 is dynamically connected to a lower end of the translation motor 13, a translation gear 15 is fixed at a lower end of the translation shaft 14, front and rear ends of the translation gear 15 extend into the translation cavity 26 and are engaged with translation racks 60 symmetrically and fixedly disposed in front and rear end walls of the translation cavity 26, a lifting block 17 slidably disposed in the lifting cavity 27 is fixed at a lower end of the translation block 60, a lifting driving cavity 63 with an opening facing left is disposed in the lifting block 17, a lifting motor 61 is fixed in a front end wall of the lifting driving cavity 63, and a lifting shaft 62 is dynamically connected to a rear end of the lifting motor 61, lifting gear 65 is fixed with to the rear end of lift axle 62, lifting gear 65's left side meshing has lifting rack 59, lifting rack 59's lower extreme is fixed with connecting plate 58, the lower extreme of lift piece 17 is provided with opening lift hole 16 down, it is provided with lifter 18 to slide in the lift hole 16, lifter 18's mid-rotation is installed connecting plate 58, lifter 18's lower extreme can extend to just be fixed with the annular in the conveying chamber 28 and snatch piece 20, the lower extreme of snatching piece 20 is provided with annular suction head 57, annular suction head 57 passes through trachea 19 is connected with adsorption system.

In the initial state, the electromagnet 39 is not energized, the spacing spring 42 is in the stretched state, the third bevel gear 44 is not engaged with the second bevel gear 45, the fourth bevel gear 37 is not engaged with the fifth bevel gear 36, the ram 32 is located at the leftmost end of the compression chamber 31, the gripping block 20 is located in the lifting chamber 27, the translation block 12 is located at the leftmost end of the translation chamber 26, the first sector gear is engaged with the compression rack 29, and the second sector gear 68 is not engaged with the compression rack 29.

When the paper cone detection machine starts to work, a paper cone to be detected is conveyed into the conveying cavity 28 through the left side of the machine body 10 and conveyed onto the belt 53, then the main motor 50 is started, the first bevel gear 48 is driven to rotate through the output shaft 49, the second bevel gear 45 is driven to rotate, the sixth bevel gear 69 is driven to rotate through the second shaft 47, the seventh bevel gear 64 is driven to rotate, the driving pulley 52 is driven to rotate through the driving shaft 51, the driven pulley 55 is driven to rotate through the belt 53, and the paper cone is driven to move towards the right side, when the paper cone is conveyed to the right side of the belt 53, the paper cone is just positioned under the grabbing block 20, then the main motor 50 is closed, the lifting motor 61 is started, the lifting gear 65 is driven to rotate through the lifting shaft 62, and the lifting rack 59 is driven to move downwards, so that the lifting rod 18 moves downwards through the connecting plate 58, the grabbing block 20 moves downwards and contacts with the upper end of the cone, then the suction head 57 sucks air through the air pipe 19 to adsorb the annular flat supporting and mounting part above the cone, so that the cone can move along with the grabbing block 20, then the lifting motor 61 rotates reversely, so that the grabbing block 20 restores the initial position, then the translation motor 13 is started, the translation gear 15 is driven to rotate through the translation shaft 14, so that the translation rack 60 is driven to move towards the left side, because the translation rack 60 is fixed, the translation block 12 finally moves towards the right side, so that the cone is driven to move towards the right side, when the cone moves to the position right above the loudspeaker cavity 22, the translation motor 13 is turned off, and the lifting motor 61 is started at the same time, the cone is moved downwards and finally pressed on the bracket 21 through the process, then the coil 24 transmits an electric signal, the cone starts to vibrate along with the electric signal through the action of the permanent magnet 25, the firmness degree of the cone in severe vibration is checked through applying the electric signal with high frequency and high current, the coil 24 stops transmitting the electric signal after detection is finished, the lifting motor 61 rotates reversely, the grabbing block 20 is restored to the initial position through the process, then the translation motor 13 is started, so that the cone is driven to continue to move towards the right side through the process, when the cone moves to the position right above the compression cavity 31, the translation motor 13 is closed, the lifting motor 61 is started, the cone moves downwards to the compression cavity 31, and then the suction head 57 releases adsorption, so that the cone is placed in the compression cavity 31, then the lifting motor 61 rotates reversely to restore the initial position of the grabbing block 20, then the translation motor 13 rotates reversely to restore the initial position of the translation block 12, at the same time, the electromagnet 39 is energized to drive the sliding block 40 to move upwards, the spacing spring 42 is stretched again, the third shaft 43 moves upwards, the third bevel gear 44 is meshed with the second bevel gear 45, the fourth bevel gear 37 is meshed with the fifth bevel gear 36, the main motor 50 is started, the second bevel gear 45 drives the third bevel gear 44 to rotate through the process, the fourth bevel gear 37 is driven to rotate through the third shaft 43, the fifth bevel gear 36 is driven to rotate, and the first belt gear 34 and the first sector gear 30 are driven to rotate through the fifth shaft 35, so that the first belt wheel 34 drives the second belt wheel 66 to rotate through the intermediate belt 71, and further drives the second sector gear 68 to rotate through the intermediate shaft 67, at this time, the first sector gear 30 drives the compression rack 29 to move to the right, and further drives the ram 32 to move to the right, and further causes the cone to be pressed, when the first sector gear 30 is disengaged from the compression rack 29, the second sector gear 68 is engaged with the compression rack 29, so as to drive the compression rack 29 to move to the left, and further cause the ram 32 to move to the left to an initial position, and then the first sector gear is re-engaged with the compression rack 29, and the second sector gear 68 is disengaged from the compression rack 29, so as to reciprocate, and whether the material is broken or opened during frequent pressing is detected by repeatedly pressing the cone, after the detection is finished and the pressure head 32 returns to the initial position, the main motor 50 stops, and a detection worker takes out the detected cone from the compression cavity 31 for subsequent detailed analysis.

The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.

Claims

1. The utility model provides an verifying attachment of speaker cone, includes the organism, its characterized in that: the machine body is internally provided with a conveying cavity which is penetrated left and right, the upper end wall of the conveying cavity is internally provided with a lifting cavity with a downward opening, the upper end wall of the lifting cavity is internally provided with a translation cavity with a downward opening, the translation cavity is internally provided with a gripping device, the left side of the lower end wall of the conveying cavity is provided with a pulley cavity with an upward opening, the rear side of the pulley cavity is provided with a pulley driving cavity, the right side of the pulley cavity is provided with a sound raising cavity with an upward opening and positioned in the lower end wall of the conveying cavity, the lower part of the pulley cavity is provided with an output cavity, the output cavity is internally provided with a conveying device, the right side of the output cavity is provided with a spacing cavity positioned below the sound raising cavity, the right side of the spacing cavity is provided with a transfer cavity, the left end wall and the right end wall of the spacing cavity are respectively communicated with the output cavity and the transfer cavity, the upper part, be provided with detection device in the drive chamber, the drive chamber right side is provided with and is located the compressing chamber that just opening up was in the transfer chamber lower extreme wall.

2. A speaker cone verification device according to claim 1, wherein: the conveying device comprises a main motor fixed in the left end wall of the output cavity, an output shaft is in power connection with the right end of the main motor, a first bevel gear is fixed at the right end of the output shaft, a second bevel gear is meshed with the upper end of the first bevel gear, a second shaft which is rotatably arranged in the upper end wall of the output cavity is fixed at the upper end of the second bevel gear, the upper end of the second shaft extends into the belt wheel driving cavity and is fixedly provided with a sixth bevel gear, a seventh bevel gear is meshed with the front side of the sixth bevel gear, the front end of the seventh bevel gear is fixedly provided with a driving shaft which is rotatably arranged in the front end wall of the belt wheel driving cavity, and the front end of the driving shaft extends into the belt wheel cavity and is rotatably arranged in the front end.

3. A speaker cone verification device according to claim 2, wherein: the transmission device also comprises a driving belt wheel which is fixed on the driving shaft and is positioned in the belt wheel cavity, the driving belt wheel is provided with a belt, the left side of the driving belt wheel is provided with a driven belt wheel which is positioned on the left side of the belt wheel cavity and is connected with the belt, the driven belt wheel is fixed on a driven shaft which is rotationally arranged in the front end wall and the rear end wall of the belt wheel cavity, the right end of the second bevel gear is engaged with a third bevel gear, the right end of the third bevel gear is fixedly provided with a third shaft which penetrates through the spacing cavity and extends into the transfer cavity, the third shaft is rotatably arranged on a sliding block which is arranged in the spacing cavity in a sliding way, the lower end of the sliding block is provided with a spacing spring which is fixed in the lower end wall of the spacing cavity, an electromagnet fixed on the upper end wall of the spacing cavity is arranged above the sliding block, and a fourth bevel gear located in the transfer cavity is fixed at the right end of the third shaft.

4. A speaker cone verification device according to claim 1, wherein: the detection device comprises a fixed block fixed on the lower end wall of the loudspeaker cavity, permanent magnets with opposite polarities and positioned on the left side and the right side of the fixed block are installed below the left end wall and the right end wall of the loudspeaker cavity, coils are wound on the fixed block, supports extending into the transmission cavity are fixed at the upper ends of the left end wall and the right end wall of the loudspeaker cavity, a fifth bevel gear is meshed above the fourth bevel gear, a fifth shaft rotatably arranged in the upper end wall of the transfer cavity is fixed at the upper end of the fifth shaft, the upper end of the fifth shaft extends into the driving cavity and is fixed with a first sector gear, a compression rack slidably arranged in the right end wall of the driving cavity is meshed at the front end of the first sector gear, the right end of the compression rack extends into the compression cavity and is fixed with a pressure head slidably arranged in the compression cavity, and a first belt wheel fixed on the fifth shaft is arranged below the first sector gear, the middle belt is installed on the first belt wheel, a second belt wheel connected through the middle belt is arranged in front of the first belt wheel, the second belt wheel is fixed on a middle shaft rotatably arranged in the lower end wall of the driving cavity, a second sector gear fixed at the upper end of the middle shaft is arranged above the second belt wheel, and the rear end of the second sector gear is meshed with the compression rack.

5. A speaker cone verification device according to claim 1, wherein: the gripping device comprises a translation block which is arranged in the translation cavity in a sliding manner, a translation driving cavity with a front opening and a rear opening is arranged in the translation block, a translation motor is fixed in the upper end wall of the translation driving cavity, the lower end of the translation motor is connected with a translation shaft in a power manner, a translation gear is fixed at the lower end of the translation shaft, the front end and the rear end of the translation gear both extend into the translation cavity and are engaged with translation racks which are symmetrically and fixedly arranged in the front end wall and the rear end wall of the translation cavity in a front-rear manner, a lifting block which is arranged in the lifting cavity in a sliding manner is fixed at the lower end of the translation block, a lifting driving cavity with a leftward opening is arranged in the lifting block, a lifting motor is fixed in the front end wall of the lifting driving cavity, a lifting shaft is connected with the rear end of the lifting motor in a power manner, a lifting gear is fixed, the lower extreme of lifting rack is fixed with the connecting plate, the lower extreme of lifter is provided with opening lift hole down, the downthehole slip of lifter is provided with the lifter, the rotation of the middle part of lifter is installed the connecting plate, the lower extreme of lifter can extend to the conveying intracavity just is fixed with the annular and snatchs the piece, the lower extreme of snatching the piece is provided with annular suction head, annular suction head passes through the trachea is connected with adsorption system.