Bagging packaging equipment for Korla bergamot pears and bagging packaging method thereof
Technical Field
The invention relates to the technical field of fruit packaging, in particular to Korla bergamot pear bagging packaging equipment and a bagging packaging method thereof.
Background
The Korla bergamot pear has the characteristics of pleasant color, sweet and smooth taste, strong fragrance, thin skin, thin meat, crisp and tasty, much juice, less residue, instant crushing after landing, instant melting in the mouth, durable storage, rich nutrition and the like, and is praised as 'pear top-grade product' and 'fruit king'; because of the unique position and important influence of the Korla bergamot pears in economic development and social life, the Korla city is also referred to as the pear city by local people.
The pears need be transported after picking, in order to improve the security of transportation, the plant family can adopt the foam case to transport, before using the foam case, the appearance of pear is not destroyed in order to protect, the new freshness does not reduce, can overlap the pear in the paper wrapping bag, current bagging mode generally adopts the manual work to overlap the bag, but this kind of bagging mode has certain drawback, because work efficiency is low, consequently, be not applicable to large-scale packing demand, consequently, this application has set up the bagging and packing equipment of a Korla fragrant pear.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a packaging device for bagging Korla pears, which aims to solve the problem that the manual bagging mode of the Korla pears in the prior art described in the background art is low in efficiency.
In order to achieve the above purpose, the present invention provides the following technical solutions: a packaging device for covering bags of Korla pear comprises
The upper end wall of the box body is provided with two material guide pipes;
the positioning plate is arranged on the inner wall of the box body;
the rotating box is arranged on the positioning plate;
the power structure is arranged on the positioning plate and used for driving the rotating box to rotate on the positioning plate;
the two air outlet pipes are respectively arranged on the upper end wall and the lower end wall of the rotating box, one end of each air outlet pipe, far away from the rotating box, is connected with the first vacuum pump through a first air pipe, and the first air pipe is rotatably connected with the air outlet pipe;
the four air inlet pipes are arranged on the outer circumferential wall of the rotating box in a cross shape;
the four first suckers are respectively arranged at one end of the air inlet pipe, which is far away from the rotating box;
the connecting pipe is arranged in the rotating box, two ports of the connecting pipe are respectively connected with two air inlet pipes which are opposite to each other on the rotating box, and one air outlet pipe extends into the rotating box and is connected with the connecting pipe; and the outer wall of the connecting pipe forms a ventilation cavity on the inner wall of the first sucker;
the two bag conveying structures are respectively arranged on the front side wall and the rear side wall of the box body and are used for providing packaging bags for the first suction disc;
the two second suckers are respectively connected with the left side wall and the right side wall of the box body through two pushing structures and are connected with a second vacuum pump through a second vent pipe; and the two material guide pipes are respectively positioned in the gaps between the two second suckers and the two first suckers,
the pushing structure is used for driving the second sucker to move towards the first sucker, so that the first sucker and the second sucker can suck two sides of the packaging bag, and then the first sucker and the second sucker are mutually away to open the bag opening of the packaging bag and catch the pear falling from the material guide pipe;
the two discharge channels penetrate through the front side wall and the rear side wall of the box body and are respectively positioned below the two material guide pipes;
the two conveying belts are arranged on the positioning frames on the front side wall and the rear side wall of the box body, and the conveying belts penetrate through the material discharging channel;
the material receiving boxes are arranged on the transmission belt of the box body respectively and used for receiving the packaging bags filled with pears;
the two bag stirring structures are arranged on the upper end wall of the box body and are respectively positioned above the two conveyor belts, and the bag stirring structures are used for stirring the bag openings of the packaging bags in the material receiving box;
the stirring bag structure comprises
The fifth cylinders are arranged on the upper end wall of the box body;
the lifting plate is connected with an output shaft of the fifth cylinder;
the second servo motor is arranged on the lifting plate;
the rotating shaft of the rotating disc is connected with an output shaft of the second servo motor;
a plurality of positioning rods which are arranged on the outer circumferential wall of the turntable;
the stirring rods are arranged on the positioning rods respectively and are in rotating connection with one end of the positioning rod, which is far away from the turntable;
the lantern ring is sleeved on the peripheries of the positioning rods, and the positioning rods are connected with the inner side wall of the lantern ring;
the support plates are arranged on the lantern ring in positions corresponding to the positioning rods and are connected with the stirring rod through a fourth spring;
the baffle ring is connected with the side wall of the box body through the supporting rod, and when the lifting plate descends, the baffle ring pushes the stirring rods to rotate relative to the positioning rod, so that one ends, far away from the positioning rod, of the stirring rods are close to each other, and the bag opening of the packaging bag is gradually reduced.
Preferably: the bag feeding structure comprises
The first cylinders are arranged on the side wall of the box body;
the moving plate is connected with an output shaft of the first air cylinder;
the first springs are provided, one ends of the first springs are connected with the moving plate, and the other ends of the first springs are connected with the lantern ring;
the guide rods are arranged on the moving plate and penetrate through the first spring and the lantern ring in a sliding mode;
the bag storage barrel is connected with the lantern ring, and the opening end of the bag storage barrel faces the first sucker;
the feed inlet is arranged on the upper end wall of the bag storage barrel and used for adding packaging bags;
the two baffles are respectively arranged on two opposite inner side walls of the opening end of the bag storage barrel and are used for preventing the packaging bags in the bag storage barrel from toppling over;
the push plate is arranged in the bag storage barrel in a sliding mode and used for pushing the packaging bags in the bag storage barrel to the opening end of the bag storage barrel;
the second cylinder is arranged on the moving plate, and an output shaft of the second cylinder penetrates through the side wall of the bag storage barrel and is connected with the push plate.
Preferably: the bag conveying structure further comprises a supporting plate arranged on the inner side wall of the box body, the supporting plate is arranged below the bag storage barrel, and the bag storage barrel is in sliding contact with the supporting plate.
Preferably: the power structure comprises
The positioning ring is arranged on the positioning plate and used for supporting the rotating box;
the gear ring is arranged on the lower end wall of the rotating box, sleeved on the outer circumferential wall of the positioning ring and rotationally connected with the positioning ring;
the first servo motor is arranged on the positioning plate, and a gear meshed with the gear ring is arranged on an output shaft of the first servo motor.
Preferably: the positioning plate is provided with a through hole, and the air outlet pipe at the lower end of the rotating box penetrates through the positioning ring and the through hole.
Preferably: the pushing structure comprises
The second springs are arranged on the second sucker;
the sliding plate is connected with one end of the second spring, which is far away from the second sucker;
the third cylinder is arranged on the side wall of the box body, and an output shaft of the third cylinder is connected with the sliding plate;
the slide bar is a plurality of and is arranged on the second sucker, and one end of the slide bar, which is far away from the second sucker, penetrates through the slide plate and the side wall of the box body in a sliding manner.
Preferably: the material receiving box comprises
The receiving frame is positioned in the receiving box and used for receiving the packaging bags filled with the pears;
and one end of the third springs is connected with the inner wall of the bottom of the material receiving box, and the other end of the third springs is connected with the outer wall of the bottom of the material receiving frame.
Preferably: the material receiving box also comprises
A plurality of lifting plates are respectively arranged on the outer side wall of the material receiving frame;
the sliding grooves are arranged on the side wall of the material receiving box and correspond to the lifting plate in position, and the lifting plate penetrates through the sliding grooves in a sliding mode.
Preferably: the inner side wall of the box body is further provided with a mounting plate, the two sides of the mounting plate, which are located on the conveying belt, are respectively provided with a fourth cylinder, the output shaft of each fourth cylinder is provided with a U-shaped top plate, and the fourth cylinders on the two sides of each conveying belt are arranged below the material guide pipes.
The invention also provides a bagging packaging method of the bagging packaging equipment for Korla bergamot pears, which is characterized in that packaging bags are conveyed to a position in contact with a first sucking disc through a bag conveying structure, then one first vacuum pump is started, one packaging bag is sucked through the first sucking disc, then the bag conveying structure is restored to the original position, then a box is rotated by 90 degrees, so that the first sucking disc is opposite to the second sucking disc in position, then a pushing structure drives the second sucking disc to move, so that the second sucking disc is in contact with the packaging bag on the first sucking disc, then the second vacuum pump sucks the other side of the packaging bag through the second sucking disc, then the pushing structure drives the second sucking disc to move, so that the first sucking disc is matched with the second sucking disc to open the bag opening of the packaging bag, then pears fall from a material guide pipe, the pears directly fall into the packaging bag, and the packaging bags are driven to fall into a material receiving box on a conveyor belt, meanwhile, the other first vacuum pump can realize that the other two first suction discs absorb the packaging bags, then the conveying belt drives the material receiving box to move to the position below the bag stirring structure, then the fifth cylinder drives the lifting plate to move downwards so as to drive the stirring rod to move downwards, because of the existence of the lantern ring, the lantern ring can play a role in blocking the stirring rod, so that the stirring rod rotates relative to the positioning rod, the fourth spring can be elongated, the diameter of a circle formed by one ends of the stirring rods far away from the positioning rod is gradually reduced, the stirring rods can gradually clamp the bag opening of the packaging bag from the outer side wall of the bag opening of the packaging bag, then the second servo motor is started to drive the turntable to rotate, and the stirring rod is driven to rotate, so that the stirring rod drives the bag opening of the packaging bag to rotate, the sealing of the packaging bag is realized, then the fifth cylinder drives the stirring rod to return to the original position, and then the conveying belt takes the material receiving box out of the box body, so that the packaging bag flows out of the material receiving box.
The beneficial effect of adopting above technical scheme is:
when the packaging bag storage device is used, the packaging bag is stored through the arranged bag storage barrel, the four first sucking discs are driven to rotate through the arranged rotating box, so that the two sucking discs in the first sucking discs respectively correspond to the two bag conveying structures, then the bag conveying structures convey the packaging bag to the first sucking discs, the first sucking discs suck the packaging bag, then the rotating box rotates the first sucking discs sucked with the packaging tape to the position right opposite to the second sucking discs, then the second sucking discs are in contact with the packaging bag under the action of the pushing structure and suck the side wall of the other side of the packaging bag, then the pushing structure drives the second sucking discs to be far away from the first sucking discs, so that the bag opening of the packaging bag is opened, then the pear falls down from the guide pipe and falls into the packaging bag, and the packaging bag and the pear can be directly driven to be separated from the first sucking discs and the second sucking discs due to the free falling body of the pear, so that the packaging bag and the pear, drive the material receiving box by then the conveyer belt and remove to the below of stirring the bag structure, drive the stirring rod through the servo motor who stirs in the bag structure and rotate, through the decline of the lifter plate that sets up for the stirring rod rotates relative positioning rod under the blockking of fender ring, and the one end that makes the stirring rod keep away from the positioning rod reduces then rotates, thereby makes the sack of wrapping bag can become spiral winding, and realizes sealing, then the conveyer belt sends out the box with the pears.
Drawings
Fig. 1 is a schematic structural diagram of a bagging and packaging device for Korla bergamot pears in the invention.
Fig. 2 is a top view of a portion of the components of the present invention.
Fig. 3 is a schematic structural view of a part of the present invention.
Fig. 4 is a schematic view of the structure of the rotating cassette of the present invention.
FIG. 5 is a top view of the bag feed structure of the present invention.
Fig. 6 is a schematic structural view of the bag storage barrel of the present invention.
FIG. 7 is a schematic view of the structure of the material receiving box of the present invention.
Wherein: the bag storage device comprises a box body 100, a material guide pipe 200, a bag sending structure 300, a supporting plate 310, a bag storage barrel 320, a baffle 321, a material inlet 322, a first air cylinder 330, a moving plate 340, a first spring 350, a guide rod 351, a sleeve ring 352, a second air cylinder 360, a push plate 370, a rotating box 400, a connecting pipe 401, a ventilation cavity 402, an air outlet pipe 403, an air inlet pipe 404, a first suction disc 405, a positioning plate 410, a through hole 411, a power structure 420, a positioning ring 421, a toothed ring 422, a first servo motor 423, a gear 424, a first ventilation pipe 430, a first vacuum pump 440, a second suction disc 500, a pushing structure 510, a third air cylinder 511, a sliding plate 512, a second spring 513, a sliding rod 514, a second ventilation pipe 520, a second vacuum pump 530, a conveyor belt 600, a positioning frame 610, a channel 620, a material receiving box 700, a material receiving frame 710, a third spring 720, a lifting plate 730, a sliding groove 740, a mounting, The rotary table 810, the positioning rod 820, the stirring rod 830, the sleeve ring 840, the support plate 850, the fourth spring 860, the baffle ring 870, the support rod 880, the second servo motor 891 and the fifth air cylinder 892.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Referring to fig. 1-7, in the first embodiment, a package apparatus for Korla pear includes
The upper end wall of the box body 100 is provided with two material guiding pipes 200;
a positioning plate 410 disposed on an inner wall of the case 100;
the rotating box 400 is arranged on the positioning plate 410;
the power structure 420 is arranged on the positioning plate 410 and used for driving the rotating box 400 to rotate on the positioning plate 410;
the two air outlet pipes 403 are respectively arranged on the upper end wall and the lower end wall of the rotating box 400, one end of the air outlet pipe 403, which is far away from the rotating box 400, is connected with the first vacuum pump 440 through a first air pipe 430, and the first air pipe 430 is rotatably connected with the air outlet pipe 403;
four air inlet pipes 404 arranged in a cross shape on the outer circumferential wall of the rotating box 400;
the four first suction discs 405 are respectively arranged at one end of the air inlet pipe 404 far away from the rotating box 400;
a connecting pipe 401 arranged in the rotating box 400, two ports of the connecting pipe 401 are respectively connected with two air inlet pipes 404 on the rotating box 400, which are opposite to each other, and one air outlet pipe 403 extends into the rotating box 400 and is connected with the connecting pipe 401; and the outer wall of the connecting pipe 401 and the inner wall of the first suction disc 405 form a ventilation cavity 402;
two bag feeding structures 300 respectively arranged on the front and rear side walls of the box body 100, the bag feeding structures 300 being used for providing packaging bags to the first suction tray 405;
the second suction cups 500, two of which are respectively connected with the left and right side walls of the box body 100 through two pushing structures 510, the second suction cups 500 are connected with a second vacuum pump 530 through a second vent pipe 520; and the two material guiding pipes 200 are respectively positioned in the gaps between the two second suckers 405 and the two first suckers 405;
the pushing structure 510 is used for driving the second suction cup 500 to move towards the first suction cup 405, so that the first suction cup 405 and the second suction cup 500 suck the two sides of the packaging bag, and then the first suction cup 405 and the second suction cup 500 are away from each other to open the mouth of the packaging bag and catch the pear falling from the material guide pipe 200;
two discharge channels 620 penetrate through the front and rear side walls of the box body 100 and are respectively positioned below the two material guide pipes 200;
the two conveyor belts 700 are arranged on the positioning frames 610 on the front and rear side walls of the box body 100, and the conveyor belts 700 penetrate through the discharge channel 620;
a plurality of material receiving boxes 710 which are respectively arranged on the transmission belt 600 of the box body 100 and are used for receiving the packaging bags filled with pears;
the two stirring bag structures 800 are arranged on the upper end wall of the box body 100 and are respectively positioned above the two conveyor belts 600, and the stirring bag structures 800 are used for stirring the bag openings of the packaging bags in the material receiving box 710;
the stirring bag structure 800 comprises
A plurality of fifth cylinders 892 provided at an upper end wall of the case 100;
a lift plate 891 connected to an output shaft of the fifth cylinder 892;
a second servo motor 890 disposed on the lifting plate 891;
a turntable 810 rotatably disposed on a lower surface of the lifting plate 891, a rotation shaft of the turntable 810 being connected to an output shaft of the second servo motor 890;
a plurality of positioning rods 820, which are all arranged on the outer circumferential wall of the turntable 810;
a plurality of stirring rods 830 which are respectively arranged on the positioning rod 820 and are rotatably connected with one end of the positioning rod 820 far away from the turntable 810;
the lantern ring 840 is sleeved on the periphery of the positioning rods 820, and the positioning rods 820 are connected with the inner side wall of the lantern ring 840;
a plurality of support plates 850 which are respectively arranged on the lantern ring 840 at positions corresponding to the positioning rods 820, and the support plates 850 are connected with the stirring rods 830 through fourth springs 860;
the blocking ring 870 is connected with the side wall of the box 100 through a support rod 880, and the blocking ring 870 is used for pushing the stirring rods 830 to rotate relative to the positioning rod 820 when the lifting plate 891 descends, so that one ends of the stirring rods 830 far away from the positioning rod 820 are close to each other, and the mouth of the packaging bag is gradually reduced.
The present embodiment is implemented as follows:
in the application, the power structure 420 drives the rotating box 400 to intermittently rotate by 90 degrees, and two sets of air inlet pipes 404 which are opposite in position in the rotating box 400 are respectively communicated through the connecting pipe 401 and the ventilation cavity 402 and are respectively controlled by two first vacuum pumps 440;
when the packaging bag conveying device is used, the packaging bag is conveyed to a position in contact with the first sucking disc 405 through the bag conveying structure 300, then one of the first vacuum pumps 440 is started, one packaging bag is sucked through the first sucking disc 405, then the bag conveying structure 300 is restored to the original position, then the rotating box 400 rotates for 90 degrees, so that the first sucking disc 405 is opposite to the second sucking disc 500, then the pushing structure 510 drives the second sucking disc 500 to move, so that the second sucking disc 500 is in contact with the packaging bag on the first sucking disc 405, then the second vacuum pump 530 sucks the other side of the packaging bag through the second sucking disc 500, then the pushing structure 510 drives the second sucking disc 500 to move, so that the first sucking disc 405 is matched with the second sucking disc 500 to open the mouth of the packaging bag, then the pear falls from the material guide pipe 200, the pear directly falls into the packaging bag, and the pear packaging bag falls into the material receiving box 710 on the conveyor belt 700 through the gravity, meanwhile, another first vacuum pump 440 can realize that another two first suction cups 405 suck the packaging bags, then the conveyor belt 600 drives the material receiving box 710 to move to the lower part of the bag stirring structure 800, then the fifth air cylinder 892 drives the lifting plate 891 to move downwards, and further drives the stirring rod 830 to move downwards, due to the existence of the lantern ring 870, the lantern ring 870 can block the stirring rod 830, so that the stirring rod 830 rotates relative to the positioning rod 820, the fourth spring 860 is elongated, and the diameter of the circle formed by the ends of the stirring rods 830 far away from the positioning rod 820 is gradually reduced, so that the bag mouth of the packaging bag is gradually clamped by the stirring rod 830 from the outer side wall of the bag mouth, then the second servo motor 890 is started to drive the turntable 400 to rotate, and then the stirring rod 830 is driven to rotate, so that the stirring rod 830 drives the bag mouth of the packaging bag to rotate, so as to realize the sealing of the packaging bag, and then, the conveyor 600 then carries the magazine 700 out of the housing 100, so that the packages flow out of the magazine 700.
Example two
As an optimization scheme of the first embodiment,
the bag feeding structure 300 comprises
A plurality of first cylinders 330 disposed on a sidewall of the case 100;
a moving plate 340 connected to an output shaft of the first cylinder 330;
a plurality of first springs 350, one end of which is connected to the moving plate 340 and the other end of which is connected to the collar 352;
a plurality of guide rods 351 arranged on the moving plate 340, wherein the guide rods 351 penetrate through the first spring 350 and the collar 352 in a sliding manner;
a bag barrel 320 connected to the collar 352, the open end of the bag barrel 320 facing the first suction pad 405;
the feed inlet 322 is arranged on the upper end wall of the bag storage barrel 320 and is used for adding packaging bags;
two baffles 321 which are respectively arranged on two opposite inner side walls of the opening end of the bag storage barrel 320, wherein the baffles 321 are used for preventing the packaging bags in the bag storage barrel 320 from toppling over;
the push plate 370 is slidably arranged in the bag storage barrel 320, and the push plate 370 is used for pushing the packaging bags in the bag storage barrel 320 to the opening end of the bag storage barrel 320;
and a second cylinder 360 disposed on the moving plate 340, wherein an output shaft of the second cylinder 360 penetrates through a sidewall of the bag storage barrel 320 and is connected to the push plate 370.
This embodiment is implemented like this, when the bag structure 300 needs to be sent and the wrapping bag is carried, first cylinder 330 is started, first cylinder 330 drives movable plate 340 and is moving, nearly and through first spring 350, lantern ring 352 drives bag storage barrel 320 and moves, make first sucking disc 405 get into in bag storage barrel 320, and make first sucking disc 405 exert certain thrust for the wrapping bag, make first spring 350 compressed, after first sucking disc 405 absorbs the wrapping bag, first cylinder 330 drives movable plate 340 and gets back to original position, the both sides of the wrapping bag that is absorbed this moment can receive blocking of baffle 321 and warp, until crossing baffle 321, second cylinder 360 in this application drives push pedal 370 and moves, make push pedal 370 promote the wrapping bag and move to baffle 321, make the wrapping bag use by push pedal 370 and baffle 321 centre gripping, make the wrapping bag can not empty and flow out bag storage barrel 320.
As a further optimization scheme of the present embodiment: the bag feeding structure 300 further includes a supporting plate 310 disposed on an inner sidewall of the box 100, the supporting plate 310 is disposed below the bag storage barrel 320, and the bag storage barrel 320 is in sliding contact with the supporting plate 310.
The optimization scheme is as follows: the supporting plate 310 provides supporting force for the bag storage barrel 320, and stable operation of the device is guaranteed.
EXAMPLE III
As an optimization scheme of the first embodiment,
the power structure 410 comprises
A positioning ring 421 disposed on the positioning plate 410 for supporting the rotating box 400;
a gear ring 422 disposed on the lower end wall of the rotating box 400, wherein the gear ring 422 is sleeved on the outer circumferential wall of the positioning ring 421 and is rotatably connected with the positioning ring 421;
the first servo motor 423 is disposed on the positioning plate 410, and an output shaft of the first servo motor 423 is provided with a gear 424 engaged with the gear ring 422.
The embodiment is implemented in such a way that the gear 424 on the first servo motor 423 is matched with the gear ring 422 to drive the rotating box 400 to rotate, so that the intermittent rotation of the rotating box 400 by 90 degrees can be accurately realized.
As a further optimization scheme of the present embodiment: the positioning plate 410 is provided with a through hole 411, and the air outlet pipe 403 at the lower end of the rotating box 400 passes through the positioning ring 421 and the through hole 411.
In this preferred embodiment, the through hole 411 is used for the outlet pipe 403 to pass through.
Example four
As an optimization scheme of the first embodiment,
the pushing structure 510 includes
A plurality of second springs 513 disposed on the second suction cup 500;
a sliding plate 512 connected with one end of the second spring 513 far away from the second suction cup 500;
a third cylinder 511 provided on a side wall of the case 100, an output shaft of the third cylinder 511 being connected to the slide plate 512;
and a plurality of sliding bars 514 are arranged on the second suction cup 500, and one end of each sliding bar 514, which is far away from the second suction cup 500, penetrates through the sliding plate 512 and the side wall of the box body 100 in a sliding manner.
This embodiment is implemented like this, the third cylinder 511 that sets up drives the slide 512 and moves, and the slide 512 drives the second sucking disc 500 through the second spring 513 and moves, and nearly and drive the slide bar 514 and move, and this kind of second spring 513 can make the second sucking disc 500 be compressed when contacting with the wrapping bag on the first sucking disc 405 for when the second sucking disc 500 snatchs the wrapping bag, more stable.
EXAMPLE five
As an optimization scheme of the first embodiment,
the receiving box 710 comprises
The material receiving frame 720 is positioned in the material receiving box 710 and is used for receiving a packaging bag filled with pears;
and a plurality of third springs 720, one end of which is connected with the inner wall of the bottom of the material receiving box 700 and the other end of which is connected with the outer wall of the bottom of the material receiving frame 710.
The embodiment is implemented in such a way that when the packaging bag falls into the material receiving box 700, the packaging bag firstly falls into the material receiving frame 710, and the third spring 720 at the moment is subjected to the gravity of the material receiving frame 710 to generate elastic deformation, so that the falling of the pears is buffered.
As a further optimization scheme of the present embodiment:
the receiving box 700 also comprises
A plurality of lifting plates 730 which are respectively arranged on the outer side wall of the material receiving frame 720;
and a plurality of sliding grooves 740 disposed on the sidewall of the material receiving box 700 and corresponding to the lifting plate 730, wherein the lifting plate 730 slides through the sliding grooves 740.
The optimization scheme is as follows: the lifting plate 730 and the sliding groove 740 can limit the position of the material receiving frame 710 in the material receiving box 700 to a certain extent, and the stability is improved.
As a further optimization scheme of the present embodiment:
the inner side wall of the box 100 is further provided with a mounting plate 750, the mounting plate 750 is provided with fourth cylinders 760 at two sides of the conveyor belt 600, the output shafts of the fourth cylinders 760 are provided with U-shaped top plates 770, and the fourth cylinders 760 at two sides of each conveyor belt 600 are arranged below the material guide pipes 200.
The optimization scheme is as follows: can connect the material frame 710 to connect the material through the fourth cylinder 760 that sets up, drive through roof 770 and carry board 730 rebound for connect the vertical distance of material frame 710 and first sucking disc 405, second sucking disc 500 to reduce, make the pears not fragile.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many variations and modifications can be made without departing from the inventive concept of the present invention, which falls into the protection scope of the present invention.