CN211253164U

CN211253164U - Feeding device of vacuumizing nitrogen-filling sealing machine

Info

Publication number: CN211253164U
Application number: CN201921953077.5U
Authority: CN
Inventors: 魏德明
Original assignee: Shanghai Shangshang Packaging Equipment Co ltd
Current assignee: Shanghai Shangshang Packaging Equipment Co ltd
Priority date: 2019-11-11
Filing date: 2019-11-11
Publication date: 2020-08-14
Anticipated expiration: 2029-11-11

Abstract

The utility model discloses a feeding device of a vacuumizing nitrogen-filling sealing machine, which relates to the technical field of vacuumizing nitrogen-filling sealing machine equipment and comprises a frame, wherein a containing frame is arranged on the frame, a feed opening is formed at the bottom of the containing frame, the feed opening of the containing frame is positioned above an easy-open cover slide rail, a limiting part is arranged at the feed opening of the containing frame, and the limiting part and an overlapped easy-open cover form a flexible joint; still be provided with in the frame and get the material hand, get the material hand including getting the material head, and get the material head and be connected with its linear driving piece that is concertina movement of drive to and drive its rotary driving piece that is rotary motion, linear driving piece sets up on rotary driving piece. The material taking hand is matched with the containing frame for use so as to improve the accuracy of feeding the easy-open lid to the easy-open lid slide rail, and further achieve the purposes of shortening the shutdown time and improving the working efficiency of the vacuumizing nitrogen-filling sealing machine.

Description

Feeding device of vacuumizing nitrogen-filling sealing machine

Technical Field

The utility model belongs to the technical field of evacuation fills nitrogen gas capper equipment technique and specifically relates to a loading attachment that nitrogen gas capper was filled in evacuation is related to.

Background

The tin seamer can be divided into two types of semi-automatic tin seamer and full-automatic tin seamer according to the different degree of automation, and can be divided into two types of tin rotary tin seamer and knife rotary tin seamer according to the different characteristics of use, and can carry out the sealing operation of vacuumizing and filling nitrogen to the tin, aluminum, tinplate and plastic cans.

The prior Chinese patent with the publication number of CN105151379B discloses a full-automatic vacuum-pumping nitrogen-filling can sealing machine for a PET plastic can, which comprises a frame, wherein a can pulling mechanism, a cap conveying mechanism, a sealing mechanism and a can conveying mechanism are arranged on the frame, and a vacuum-pumping system and a nitrogen-filling system are arranged at the sealing mechanism. The tank pulling mechanism comprises a tank pulling manipulator and an air clamp manipulator, and the tank pulling manipulator is matched with the air clamp manipulator to convey the tank body to the sealing mechanism; the cover feeding mechanism comprises an easy-open cover tray and a lower cover mechanism, the easy-open cover stored in the lower cover mechanism is discharged onto the easy-open cover tray, and the easy-open cover tray can feed the easy-open cover to the sealing mechanism. The sealing mechanism is matched with the vacuumizing system and the nitrogen filling system to complete the vacuumizing, nitrogen filling and sealing operation of the tank body, the residual oxygen amount in the tank body is reduced to be within 3%, and the balance of the internal pressure and the external pressure of the tank body is kept in the process of vacuumizing operation and nitrogen filling operation, so that the problem that the tank body is extruded and deformed due to the difference of the internal pressure and the external pressure is solved.

In the prior art, the lower cover mechanism comprises an accommodating frame which is vertically arranged, and the easy-open covers are overlapped and placed in the accommodating frame; when the sealing machine performs the can and cap sealing operation, the easy-open cap in the containing frame needs to be discharged into the easy-open cap sliding rail at the lower part, and then is conveyed to the vacuumizing and nitrogen filling system and the sealing mechanism to finish the sealing operation. Hold feed opening department of frame below and be provided with the stop device who is used for restricting the easy open lid unloading, generally, stop device comprises locating part such as driving piece such as cylinder and baffle, and cylinder drive baffle stretches out to the feed opening below that holds the frame promptly to stop the whereabouts of easy open lid, and when cylinder drive baffle withdrawal and open the feed opening that holds the frame, the easy open lid free fall was to on the easy open lid slide rail of below, thereby accomplished the material loading operation of easy open lid. However, in the free falling process of the easy-open lid, the easy-open lid is very easy to deviate or even turn over, so that the lid conveying mechanism cannot normally convey the easy-open lid to the vacuumizing sealing position, the longer downtime is caused, the working efficiency of the vacuumizing nitrogen-filling sealing machine is affected, and the prior art has the improvement part.

SUMMERY OF THE UTILITY MODEL

To the technical problem, an object of the utility model is to provide a loading attachment of nitrogen capper is filled in evacuation is through getting the material hand and holding the frame cooperation and use to improve the easy-to-draw and cover the accuracy of material loading to the easy-to-draw lid slide rail, and then reach and shorten down time, improve the purpose that the nitrogen capper work efficiency is filled in the evacuation.

In order to achieve the above purpose, the utility model provides a following technical scheme: a loading device of a vacuumizing nitrogen-filling sealing machine comprises a rack, wherein a containing frame for placing an easy-open cover is arranged on the rack, a feed opening is formed in the bottom of the containing frame and is positioned above a slide rail of the easy-open cover, a limiting part for limiting the falling of the easy-open cover is arranged at the feed opening of the containing frame, and the limiting part and the overlapped easy-open cover form flexible clamping connection; still be provided with in the frame and be used for snatching the material hand of getting of feed opening department easy-open cover, get the material hand including being used for snatching the easy-open cover and make it break away from the locating part or release and snatch the material head of getting on easy-open cover slide rail from feed opening department, just it is connected with its linear driving piece that is concertina movement to get the material head to and drive its rotary driving piece that is rotary motion, linear driving piece sets up on rotary driving piece.

By adopting the technical scheme, when the material taking hand does not take the material, the easy-open cover is overlapped and stored in the accommodating frame and stays in the accommodating frame under the limiting action of the limiting piece; when getting the material hand and need get the material action, rotatory driving piece at first drives linear driving piece and rotates to the feed opening below that holds the frame, then linear driving piece drive gets the material head and stretches out the easy-open lid that adsorbs feed opening department, linear driving piece backward drive gets the withdrawal of material head again, so that the flexible joint that is adsorbed easy-open lid breaks away from the locating part limits, finally, rotatory driving piece backward rotation is until driving linear driving piece and move to directly over the easy-open lid slide rail, and get the material head release and adsorb the easy-open lid, the easy-open lid can drop to on the easy-open lid slide rail in the perpendicular whereabouts distance of utmost point short, accomplish the material loading operation. The material taking hand is matched with the containing frame for use so as to improve the accuracy of feeding the easy-open lid to the easy-open lid slide rail, and further achieve the purposes of shortening the shutdown time and improving the working efficiency of the vacuumizing nitrogen-filling sealing machine.

The utility model discloses further set up to: the containing frame comprises a bottom plate and a guide rod which is arranged on the bottom plate in parallel, the feed opening is formed in the bottom plate, the guide rod is inclined to form a containing groove for overlapping the easy-open cover, and the inclined axis of the guide rod is parallel to the rotating plane of the material taking head.

Through adopting above-mentioned technical scheme, bottom plate and guide arm slope set up, and the incline direction of guide arm and the rotation plane parallel arrangement who gets the stub bar, then the distance that stub bar motion was got in rotatory driving piece and the drive of linear driving piece compares in the mode of vertical erectting, installation, has obtained shortening by a wide margin, is favorable to further improving loading attachment's operating efficiency.

The utility model discloses further set up to: the end parts of the guide rods, which are far away from the bottom plate, are jointly connected with a reinforcing ring.

Through adopting above-mentioned technical scheme, the reinforcing ring plays the effect of drawing in the distal end of guide arm in, improves the structural strength and the stable effect of structure of holding the frame that constitutes by the guide arm promptly.

The utility model discloses further set up to: the reinforcing ring is of an integrated annular structure, a notch is formed in the inner side of the reinforcing ring, and the notch is inserted into the guide rod to be in penetrating fit with the guide rod; the diameter of the inner circle of the reinforcing ring is larger than that of the inner circle of the circle structure formed by the guide rod in a surrounding mode.

Through adopting above-mentioned technical scheme, the reinforcing ring adopts breach and guide arm grafting complex mounting means, has both been favorable to equipment, maintainer installation or dismantlement reinforcing ring, is favorable to reducing again that easy-open cover places the in-process and takes place to scrape the risk of bumping with the reinforcing ring.

The utility model discloses further set up to: get the material head and set up to the sucking disc, linear driving piece and rotatory driving piece set up to linear cylinder and revolving cylinder respectively, and the sucking disc is installed on the piston rod of linear cylinder, and revolving cylinder's rotatory tower and linear cylinder are connected with L type keysets, linear cylinder lean on establish install in the corner of L type keysets.

By adopting the technical scheme, the combination of the pneumatic elements of the linear cylinder and the rotary cylinder is adopted, so that the rotating and stretching movement of the sucker is realized, the cost is favorably controlled, and the integrated installation of all components is favorably realized; meanwhile, the mounting structure for mounting and fixing the linear cylinder by the L-shaped adapter plate is favorable for improving the mounting stability of the linear cylinder.

The utility model discloses further set up to: get the material head and set up to the sucking disc, linear driving spare and rotatory driving spare set up respectively to linear cylinder and motor, the sucking disc is installed on the piston rod of linear cylinder, and the output shaft of motor is connected with drive assembly with linear cylinder transmission, drive assembly is including the action wheel that is connected with the output shaft of motor and the follow driving wheel that is connected with linear cylinder, just the action wheel is connected with the hold-in range with following the driving of driving wheel transmission.

Through adopting above-mentioned technical scheme, adopt the electric elements combination of motor and line type cylinder, be favorable to improving the life who gets the material hand (the life of motor is longer than pneumatic element, and the easy fault rate of motor is less than pneumatic element), and the drive stability and the accuracy of motor will be higher than pneumatic element.

The utility model discloses further set up to: the sucking disc is connected with the installation piece with the linear driving piece, the installation piece intercommunication has outside evacuating device, just set up in the installation piece and be formed with the passageway that is linked together with outside axle vacuum device, the passageway is formed with the evacuation opening in the center department of sucking disc.

Through adopting above-mentioned technical scheme, outside evacuating device can build out vacuum environment at the evacuation opening part of sucking disc to improve and get the stability that the material head adsorbs snatch the easy-open cover, and then reach stability and the accuracy that improves the release of easy-open cover.

The utility model discloses further set up to: the frame is provided with a first detection sensor for detecting whether material supplement is needed, and the first detection sensor is right opposite to the easy-open cover close to the bottom plate in the containing frame.

Through adopting above-mentioned technical scheme, the quantity that easy-open cover was taken can be detected to first detection sensor to user or operation personnel in time supply easy-open cover to holding in the frame.

The utility model discloses further set up to: the rack is also provided with a second detection sensor for detecting the material taking hand placing position, and the second detection sensor is just opposite to the material taking hand rotating to the material taking position.

Through adopting above-mentioned technical scheme, the second detection sensor can detect gets the rotation unloading position of material hand to whether the material loading of easy-open cover targets in place is confirmed to user or operation personnel.

The utility model discloses further set up to: first detection sensor and second detection sensor all are connected with the mounting bracket, be provided with the adjustment tank that is used for installing first detection sensor, second detection sensor on the mounting bracket, just first detection sensor, second detection sensor are connected with the locking piece.

Through adopting above-mentioned technical scheme, the user can adjust first detection sensor and second detection sensor according to actual conditions and erect the mounted position, has better practicality and suitability.

To sum up, the utility model discloses following beneficial effect has:

one is as follows: the material taking hand is matched with the accommodating frame for use, so that the accuracy of feeding the easy-open lid to the easy-open lid sliding rail is improved, the aims of shortening the shutdown time and improving the working efficiency of the vacuumizing nitrogen-filling sealing machine are fulfilled;

the second step is as follows: the user can select a pure pneumatic element to be used as a rotary driving piece and a linear driving piece according to actual conditions, or select a mixed use mode in which the motor and the pneumatic element are used as the rotary driving piece and the linear driving piece, so that the pneumatic device has better applicability;

and thirdly: the first detection sensor and the second detection sensor are matched for use, so that real-time monitoring of two steps of blanking and feeding is realized, and the improvement of the continuity and the accuracy of operation of the feeding device is facilitated.

Drawings

FIG. 1 is a schematic view of the overall structure of a loading device of a vacuum-pumping nitrogen-filled sealing machine according to an embodiment;

FIG. 2 is a schematic view of a reclaiming hand;

FIG. 3 is a schematic view of the structure of the receiving frame;

FIG. 4 is a schematic view of the structure of the reinforcing ring;

FIG. 5 is a schematic view of the overall structure of the loading device of the vacuum-pumping nitrogen-filling capper according to the second embodiment;

fig. 6 is a schematic structural view of the transmission assembly.

Reference numerals: 1. a frame; 2. an accommodating frame; 21. a base plate; 22. a guide bar; 23. accommodating grooves; 24. reinforcing rings; 241. a notch; 3. a material taking hand; 31. taking a stub bar; 32. a linear drive; 33. a rotary drive member; 34. an L-shaped connecting plate; 35. mounting blocks; 36. a channel; 361. a communication opening; 362. vacuumizing and opening; 37. a drive assembly; 371. a driving wheel; 372. a driven wheel; 373. a synchronous belt; 4. a feeding port; 41. a limiting member; 5. a pop-top cover slide rail; 6. a lid tray; 7. a lid-opening driving member; 81. a first detection sensor; 82. a second detection sensor; 9. a mounting frame; 91. an adjustment groove; 92. a locking member.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The first embodiment is as follows:

as shown in fig. 1, a feeding device of a vacuum pumping nitrogen-filled sealing machine comprises a frame 1, wherein an accommodating frame 2 for accommodating an easy-open cover in an overlapping manner and a material taking hand 3 for grabbing or releasing the grabbed easy-open cover are arranged on the frame 1. As shown in fig. 1 and 3, a feed opening 4 is formed at the bottom of the accommodating frame 2, and a limiting member 41 for limiting the falling of the stacked lid in the accommodating frame 2 is installed at the feed opening 4. When the material taking hand 3 is in a non-material taking state or a material loading state, the easy-open covers superposed in the accommodating frame 2 are stored in the accommodating frame 2 under the flexible clamping limiting action of the limiting piece 41 and cannot freely fall from the material outlet 4; when the material taking hand 3 takes the easy-open lid in the containing frame 2, the grabbing force of the material taking hand 3 can overcome the flexible clamping force of the limiting piece 41 so as to take out the easy-open lid at the feed opening 4, and meanwhile, the limiting piece 41 resets to re-limit the subsequent falling of the easy-open lid, thereby completing the material taking operation of the easy-open lid.

As shown in fig. 2, the material taking hand 3 includes a material taking head 31 for directly sucking and grabbing the easy open lid or releasing the grabbed easy open lid, and the material taking head 31 is connected with a linear driving member 32 and a rotary driving member 33 for driving the linear driving member 32 to perform telescopic motion and rotary motion, that is, the linear driving member 32 is installed on the rotary driving member 33, and the material taking head 31 is installed on the linear driving member 32. In the present embodiment, a suction cup is used as the take-up head 31, and a linear cylinder and a rotary cylinder are used as the linear driving member 32 and the rotary driving member 33, respectively, that is, the suction cup is mounted on a piston rod of the linear cylinder, and the linear cylinder is integrally mounted on a turret of the rotary cylinder.

In order to facilitate the installation of the linear cylinder, the linear cylinder is connected with an L-shaped adapter plate with a rotary tower of the rotary cylinder, one side of the L-shaped connecting plate 34 is fixedly connected with the rotary tower of the rotary cylinder, the linear cylinder is arranged at the corner position of the L-shaped connecting plate 34 by means of the installation, and the linear cylinder, the rotary cylinder and the L-shaped adapter plate are all detachably connected and fixed through screws.

In order to improve the stability of the suction disc for sucking and grabbing the pop-top cover, the mounting block 35 is fixed at the end of the piston rod of the linear cylinder, a channel 36 is formed in the mounting block 35, a communication opening 361 is formed on the side surface of the mounting block 35 of the channel 36 and is communicated with an external vacuum extractor (the vacuum extractor is not shown in the drawing), the channel 36 penetrates through the top surface of the mounting block 35 and is connected with the suction disc, and a vacuum extraction opening 362 is formed at the central position of the suction disc of the channel 36 to increase the sucking and grabbing force of the material taking head 31.

Referring to fig. 1 and 2, in the vacuum-pumping nitrogen-filling sealing machine, an easy-open lid slide rail 5 is arranged below the feeding device, an easy-open lid tray 6 for bearing the loaded easy-open lid is arranged on the easy-open lid slide rail 5, and the easy-open lid tray 6 is connected with an easy-open lid driving member 7 for driving the easy-open lid tray to reciprocate along the easy-open lid slide rail 5. In order to improve the accuracy of feeding the pop-top cover, the rotary driving piece 33 drives the linear driving piece 32 and the material taking head 31 to rotate downwards to the position opposite to the pop-top cover tray 6, when the vacuumizing device stops sucking air, external air flow enters the space between the sucking disc and the pop-top cover from the gap again, the pop-top cover falls onto the pop-top cover tray 6 under the action of self gravity, the distance between the pop-top cover tray 6 and the sucking disc above the pop-top cover tray is small, namely the falling distance of the pop-top cover is short, and the phenomenon of deviation or overturning is not easy to occur.

Referring to fig. 1 and 3, the accommodating frame 2 includes a bottom plate 21 installed on the frame 1 in an inclined manner, and guide rods 22 fixed to the bottom plate 21 vertically, in this embodiment, the number of the guide rods 22 is four (the specific number can be adjusted according to actual conditions), and the guide rods 22 surround an accommodating groove 23 configured to store the pop-top cover in an overlapping manner, that is, the circumferential edge of the pop-top cover in the accommodating groove 23 can abut against the guide rods 22. The feed opening 4 is arranged at the central position of the bottom plate 21, that is, at the central position of the approximate circular frame structure surrounded by the guide rod 22, and the limiting member 41 is a rubber skirt of a circular ring structure, which is fixed at the bottom circumference of the feed opening 4. The inclined axis of the guide rod 22 is coplanar with the linear cylinder and the rotating plane of the taking head 31, so as to ensure the accuracy of the taking hand 3 for adsorbing and grabbing the easy-open cover or releasing the grabbed easy-open cover.

As shown in fig. 3 and 4, the ends of the guide rods 22 far away from the bottom plate 21 are commonly connected with a reinforcing ring 24 for reinforcing, the reinforcing ring 24 is configured to be an approximately circular ring-shaped structure, and a notch 241 is formed at a position of one side of an inner ring of the reinforcing ring 24 corresponding to the guide rod 22, so that the reinforcing ring 24 is in insertion fit with the corresponding guide rod 22 through the notch 241, and the guide rod 22 and the reinforcing ring 24 are inserted and locked through a screw. In order to avoid the problem of scraping between the reinforcing ring 24 and the pop-top lid, the inner circle diameter of the reinforcing ring 24 is larger than that of the circle structure formed by the guide rod 22.

As shown in fig. 1, a first detection sensor 81 is installed on the bottom plate 21, a second detection sensor 82 is installed at a feeding position of the rack 1, which is located after the material taking hand 3 rotates, the first detection sensor 81 and the second detection sensor 82 can be both set to be infrared reflection type sensors, the first detection sensor 81 is arranged right at the easy-open cover overlapped in the accommodating groove 23, so that the purpose of detecting the number of the easy-open covers in the accommodating frame 2 is achieved, the second detection sensor 82 is arranged right at the material taking hand 3 after rotating, and the accuracy of the position of the material taking hand 3 after rotating is guaranteed. First detection sensor 81 and second detection sensor 82 all are connected with mounting bracket 9, the mounting bracket 9 of first detection sensor 81 is the installation promptly and is fixed in the side edge of bottom plate 21, and the mounting bracket 9 installation of second detection sensor 82 is fixed in the edge of frame 1, and equal vertical seting up is formed with adjustment tank 91 on mounting bracket 9 between them, adjustment tank 91 sets up to waist type groove, first detection sensor 81 and second detection sensor 82 wear to locate corresponding adjustment tank 91 respectively in, and through the first detection sensor 81 of locking 92 both sides centre gripping locking and second detection sensor 82, can adopt the nut to use as locking piece 92.

Example two:

referring to fig. 5 and 6, a loading device of a vacuum-pumping nitrogen-filled sealing machine differs from the first embodiment in that: in this embodiment, a motor is used as the rotary driving member 33, and an output shaft of the motor is in transmission connection with the linear cylinder to form a transmission assembly 37, so as to achieve the purpose of driving the linear cylinder to rotate. Drive assembly 37 is including coaxial arrangement in the epaxial action wheel 371 of motor output to and rotate and install the follow driving wheel 372 on the frame 1 inside wall, follow driving wheel 372 through L type connecting plate 34 and linear cylinder fixed connection, and around establishing between action wheel 371 and the follow driving wheel 372 and be connected with hold-in range 373, action wheel 371 rotates, and drive through hold-in range 373 and follow driving wheel 372 and rotate, thereby reach the rotatory purpose of drive linear cylinder.

The utility model is further explained by combining the specific actions as follows:

place the easy-open lid in holding tank 23 that holds frame 2 one by one and overlap, rotary driving piece 33 drive linear driving piece 32 upwards rotates, until getting stub bar 31 just to feed opening 4, then linear driving piece 32's piston rod stretches out, contact with the easy-open lid of feed opening 4 department with the drive sucking disc, outside evacuating device outwards bleeds this moment, in order to build vacuum atmosphere in evacuation opening 362 department, thereby adsorb the easy-open lid of grabbing feed opening 4 department, at the piston rod of reverse withdrawal linear driving piece 32, and make the easy-open lid break away from with locating part 41 mutually, locating part 41 resets this moment and restricts subsequent easy-open lid and drops downwards once more. The rotary driving part 33 rotates reversely to drive the linear driving part 32 to rotate downwards until the material taking head 31 is just opposite to the top pop-top cover supporting plate below, the piston rod of the linear driving part 32 extends out again to a position which is very close to the top pop-top cover supporting plate, at the moment, the external vacuumizing device stops working, and the top pop-top cover adsorbed by the zee chuck falls downwards onto the top pop-top cover supporting plate 6 under the action of self gravity and the action of inflow of external air flow.

The present invention is not limited to the above embodiment, and those skilled in the art can make modifications to the embodiment as required without inventive contribution after reading the present specification, but all the modifications are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a loading attachment of nitrogen gas capper is filled in evacuation, including frame (1), be provided with frame (2) that hold that are used for placing easy-open cover on frame (1), the bottom that holds frame (2) is seted up and is formed with feed opening (4), just feed opening (4) that hold frame (2) are located the top of easy-open cover slide rail (5), its characterized in that: a limiting piece (41) used for limiting the drop of the easy-open cover is arranged at the feed opening (4) of the accommodating frame (2), and the limiting piece (41) and the overlapped easy-open cover form flexible clamping connection; still be provided with on frame (1) and be used for grabbing the material hand (3) of getting of taking feed opening (4) department easy-open cover, get material hand (3) including be used for snatching easy-open cover and make it break away from locating part (41) or release and snatch easy-open cover and get stub bar (31) to getting on easy-open cover slide rail (5) from feed opening (4), just it is connected with its linear driving piece (32) that is concertina movement to get stub bar (31) to and drive its rotary driving piece (33) that is rotary motion, linear driving piece (32) set up on rotary driving piece (33).

2. The feeding device of the vacuum-pumping nitrogen-filling sealing machine according to claim 1, characterized in that: accommodate frame (2) including bottom plate (21) and parallel mount guide arm (22) on bottom plate (21), feed opening (4) are seted up on bottom plate (21), guide arm (22) slope constitutes holding tank (23) that are used for superpose easy-open cover, just the inclined axis of guide arm (22) is parallel with the rotation plane of getting material head (31).

3. The feeding device of the vacuum-pumping nitrogen-filling sealing machine according to claim 2, characterized in that: the end parts of the guide rods (22) far away from the bottom plate (21) are jointly connected with a reinforcing ring (24).

4. The feeding device of the vacuum-pumping nitrogen-filling sealing machine according to claim 3, characterized in that: the reinforcing ring (24) is of an integrated annular structure, a notch (241) is formed in the inner side of the reinforcing ring (24), and the notch (241) is inserted into the guide rod (22) and matched with the guide rod in a penetrating manner; the diameter of the inner circle of the reinforcing ring (24) is larger than that of the inner circle of a circle structure formed by surrounding the guide rod (22).

5. The feeding device of the vacuum-pumping nitrogen-filling sealing machine according to claim 1, characterized in that: get stub bar (31) and set up to the sucking disc, linear driving piece (32) and rotary driving piece (33) set up to linear cylinder and gyration cylinder respectively, and the sucking disc is installed on the piston rod of linear cylinder, and gyration cylinder's rotatory tower and linear cylinder are connected with L type keysets, linear cylinder lean on establish install in the corner of L type keysets.

6. The feeding device of the vacuum-pumping nitrogen-filling sealing machine according to claim 1, characterized in that: get stub bar (31) and set up to the sucking disc, linear driving piece (32) and rotatory driving piece (33) set up to linear cylinder and motor respectively, the sucking disc is installed on the piston rod of linear cylinder, and the output shaft of motor is connected with drive assembly (37) with the transmission of linear cylinder, drive assembly (37) are including action wheel (371) that is connected with the output shaft of motor and follow driving wheel (372) that is connected with linear cylinder, just action wheel (371) are connected with hold-in range (373) with following driving wheel (372) transmission.

7. The charging device of the vacuum-pumping nitrogen-filling sealing machine as claimed in claim 1, 5 or 6, wherein: the sucking disc is connected with installation piece (35) with linear drive piece (32), installation piece (35) intercommunication has outside evacuating device, just it is formed with passageway (36) that are linked together with outside axle vacuum device to open in installation piece (35), passageway (36) are formed with evacuation opening (362) in the center department of sucking disc.

8. The feeding device of the vacuum-pumping nitrogen-filling sealing machine according to claim 1, characterized in that: the frame (1) is provided with a first detection sensor (81) for detecting whether material supplement is needed, and the first detection sensor (81) is over against the easy-open cover at the position close to the bottom plate (21) in the accommodating frame (2).

9. The feeding device of the vacuum pumping and nitrogen filling sealing machine according to claim 8, characterized in that: the automatic feeding machine is characterized in that a second detection sensor (82) used for detecting the feeding position of the material taking hand (3) is further arranged on the rack (1), and the second detection sensor (82) is opposite to the material taking hand (3) rotating to the feeding position.

10. The feeding device of the vacuum-pumping nitrogen-filling sealing machine according to claim 9, characterized in that: first detection sensor (81) and second detection sensor (82) all are connected with mounting bracket (9), be provided with on mounting bracket (9) and be used for installing first detection sensor (81), second detection sensor (82) adjustment tank (91), just first detection sensor (81), second detection sensor (82) are connected with locking piece (92).