CN111846359A

CN111846359A - Inflatable plastic package for protecting fruits

Info

Publication number: CN111846359A
Application number: CN202010773556.XA
Authority: CN
Inventors: 罗红冲
Original assignee: Guangzhou Fengtian Packaging Material Co ltd
Current assignee: Guangzhou Fengtian Packaging Material Co ltd
Priority date: 2020-08-04
Filing date: 2020-08-04
Publication date: 2020-10-30

Abstract

The invention discloses an inflatable plastic package for protecting fruits, which comprises a shell, wherein a shell cavity with a front opening and a rear opening is arranged in the shell, a fruit sorting device is arranged in the shell cavity, the fruit sorting device comprises an upper fixing plate, the upper fixing plate is fixedly arranged on the inner wall of the left side of the shell cavity, a main fixing plate is arranged at the lower side of the upper fixing plate, the main fixing plate is fixedly arranged on the inner wall of the left side of the shell cavity, two belt wheel rotating shafts are rotatably arranged between the upper fixing plate and the main fixing plate, the two belt wheel rotating shafts are symmetrical front and back, belt wheels are fixedly arranged on the belt wheel rotating shafts, and the two belt wheels are in friction transmission through belts. The whole process is automatic, and the fruits can be safely packed without collision.

Description

Inflatable plastic package for protecting fruits

Technical Field

The invention relates to the field related to product packaging, in particular to an inflatable plastic package for protecting fruits.

Background

The product packaging refers to a general name of decoration attached to products by containers, materials, auxiliary objects and the like according to a certain technical method in the circulation process of product transportation, storage, sale and the like, so as to protect the products and facilitate storage and sale.

Disclosure of Invention

The invention aims to solve the technical problem of providing an inflatable plastic package for protecting fruits, and overcoming the problems of collision, injury, even fruit damage and the like caused by collision among fruits which are difficult to avoid due to bumping in transportation.

The invention is realized by the following technical scheme.

The invention relates to an inflatable plastic package for protecting fruits, which comprises a shell, wherein a shell cavity with a front opening and a rear opening is arranged in the shell, a fruit sorting device is arranged in the shell cavity, the fruit sorting device comprises an upper fixing plate, the upper fixing plate is fixedly arranged on the inner wall of the left side of the shell cavity, a main fixing plate is arranged at the lower side of the upper fixing plate, the main fixing plate is fixedly arranged on the inner wall of the left side of the shell cavity, two belt wheel rotating shafts are rotatably arranged between the upper fixing plate and the main fixing plate, the two belt wheel rotating shafts are symmetrical front and back, belt wheels are fixedly arranged on the belt wheel rotating shafts, the two belt wheels are in friction transmission through a belt, a sliding plate is fixedly arranged at the right end of the main fixing plate, a rotating cavity is arranged in the sliding plate, the rotating, the rotary plate rotating shaft is rotatably arranged on the inner walls of the front side and the rear side of the rotary cavity, a sorting plate is fixedly arranged on the rotary plate rotating shaft, a sorting sliding plate is arranged on the lower side of the sorting plate, the sorting sliding plate is fixedly arranged at the lower end of the main fixing plate, a sorting slide way is arranged in the sorting sliding plate, a sorting sliding block is slidably arranged in the sorting slide way, a sorting connecting plate is fixedly arranged at the right end of the sorting sliding block, a gravity detector is fixedly arranged at the upper end of the sorting connecting plate, and the gravity detector is connected with the sorting plate through;

the fruit sorting device is characterized in that a fruit packing device is arranged on the right side of the fruit sorting device and comprises a packing bin, the packing bin is fixedly arranged on the inner wall of the right side of the shell cavity, a packing cavity is arranged in the packing bin, the opening of the packing cavity faces downwards, a winding wheel shaft is arranged in the packing cavity and is rotatably arranged on the inner wall of the rear side of the packing cavity, a winding wheel is fixedly arranged on the winding wheel shaft, a packing bag is wound on the winding wheel, two high-position limiting wheel shafts are arranged on the lower side of the winding wheel and are rotatably arranged on the inner wall of the rear side of the packing cavity, the two high-position limiting wheel shafts are bilaterally symmetrical, high-position limiting wheels are fixedly arranged on the high-position limiting wheel shafts, a guide channel is arranged on the lower side of each high-position limiting wheel, and is fixedly arranged on, a guide channel cavity is arranged in the guide channel, the guide channel cavity is opened up and down, two low-position limiting wheel shafts are arranged on the lower side of the guide channel cavity, the two low-position limiting wheel shafts are bilaterally symmetrical, the two low-position limiting wheel shafts are rotatably arranged on the inner wall of the rear side of the packaging cavity, a low-position limiting wheel is fixedly arranged on each low-position limiting wheel shaft, a transposition chute is arranged on the lower side of each low-position limiting wheel, the transposition chute is arranged in the rear side wall of the packaging cavity, a transposition slide block is slidably arranged in the transposition chute, a transposition connecting block is fixedly arranged at the front end of the transposition slide block, a rotating motor is fixedly arranged at the front end of the transposition connecting block, a rotating motor shaft is rotatably arranged at the front end of the rotating motor, an opening bottom plate is fixedly arranged at the front end of the, a clamping connecting rod is fixedly arranged at the front end of the clamping block sliding block, an actuating clamping block is fixedly arranged at the front end of the clamping connecting rod, a fixed clamping block is arranged on the right side of the actuating clamping block, and the fixed clamping block is fixedly arranged on the opening bottom plate;

the fruit packing device is characterized in that a falling door opening device is arranged on the lower side of the fruit packing device and comprises two door opening chutes which are symmetrical front and back, the two door opening chutes are respectively arranged in the front and back two side walls of the cavity of the shell, the opening of the door opening chutes faces the cavity of the shell, a door opening rotating shaft is rotationally arranged in the door opening chutes and is rotationally arranged between the inner walls of the left side and the right side of the door opening chutes, door opening rotating blocks are fixedly arranged on the door opening rotating blocks, a bearing plate is fixedly arranged at one end, close to the cavity of the shell, of each door opening rotating block, linkage half gears are fixedly arranged at the lower ends of the door opening rotating blocks, driven gear shafts are arranged on the lower sides of the linkage half gears and are rotationally arranged on the inner walls of the left side, a rack actuating chute is arranged at the lower side of the driven gear, a rack sliding block is arranged in the rack actuating chute in a sliding manner, a rack actuating electromagnet is arranged at one side of the rack sliding block, which is close to the cavity of the shell, and is fixedly arranged on the inner wall of the rack actuating chute, which is close to the cavity of the shell, the rack sliding block is connected with the rack actuating electromagnet through a rack reset spring, a rack connecting block is fixedly arranged at the upper end of the rack sliding block, and a driving rack is fixedly arranged at the upper end of the rack connecting block;

preferably, the belt wheel drives the belt to move through friction, the belt drives the fruit on the sliding plate to move from front to back, and when the fruit moves onto the sorting plate, the sorting spring can transfer pressure to the gravity detector.

Preferably, when the pressure received by the gravity detector is within a qualified range, the sorting slider starts to work, slides downwards, drives the sorting connecting plate to move downwards, drives the gravity detector to move downwards, drives the sorting plate to move through the sorting spring, and rotates clockwise around the rotating plate rotating shaft, so that the fruits slide to the right side.

Preferably, be equipped with the blast chamber in the packing cavity, the blast chamber is fixed to be set up on the packing cavity upside inner wall, be equipped with the air-blast cavity of opening up in the blast chamber, air-blast cavity upside is equipped with the filter screen, the filter screen sets up in the lateral wall on the packing cavity, the fixed air-blast motor that is equipped with of filter screen lower extreme, the rotation of air-blast motor lower extreme is equipped with the air-blast motor shaft, the fixed air-blast fan leaf that is equipped with of air-blast motor shaft lower extreme, air-blast fan leaf downside is equipped with out the tuber pipe, be equipped with air-out passageway in the play tuber pipe.

Preferably, the actuating clamp splice and the fixed clamp splice have viscidity, and can generate heat after the actuating clamp splice circular telegram, can melt the wrapping bag, the wrapping bag is melted the back, the actuating clamp splice with the fixed clamp splice is no longer glued the wrapping bag.

Preferably, the driven gear and the driving rack are in meshing transmission through a gear, the driven gear and the linkage half gear are in meshing transmission through a gear, when the bearing plate needs to be opened, the rack actuation electromagnet is electrified to attract the rack sliding block, the rack sliding block slides towards the direction close to the rack actuating electromagnet, the rack sliding block drives the rack connecting block to move, the rack connecting block drives the active rack to move, the active rack moves towards the direction close to the rack active electromagnet, the driving rack drives the driven gear to rotate through gear meshing transmission, the driven gear drives the linkage half gear to rotate around the door opening rotating shaft through gear meshing transmission, the linkage half gear drives the bearing plate to rotate around the door opening rotating shaft, and then the bearing plate is opened.

The invention has the beneficial effects that: the fruit sorting device is arranged in the fruit sorting machine, fruits with proper weight are sorted out and packed, and the packing device is used for inflating and packing, so that the fruits are in an expanded packing bag in transportation, the collision and damage conditions can be avoided to a greater extent, the whole process is automatic, and the fruits can be packed safely without collision.

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 an embodiment of the present invention;

FIG. 2 is a schematic view in the direction A-A of FIG. 1 according to an embodiment of the present invention;

FIG. 3 is a schematic view of the embodiment of the present invention in the direction B-B in FIG. 1.

Detailed Description

The invention will now be described in detail with reference to fig. 1-3, wherein for ease of description the orientations described hereinafter are now defined as follows: 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 inflatable plastic package for protecting fruits, which is described in conjunction with the attached drawings 1-3, comprises a housing 10, a housing cavity 11 with a front opening and a rear opening is arranged in the housing 10, a fruit sorting device 81 is arranged in the housing cavity 11, the fruit sorting device 81 comprises an upper fixing plate 12, the upper fixing plate 12 is fixedly arranged on the inner wall of the left side of the housing cavity 11, a main fixing plate 16 is arranged on the lower side of the upper fixing plate 12, the main fixing plate 16 is fixedly arranged on the inner wall of the left side of the housing cavity 11, two pulley rotating shafts 13 are rotatably arranged between the upper fixing plate 12 and the main fixing plate 16, the two pulley rotating shafts 13 are symmetrical in the front and rear direction, pulley shafts 13 are fixedly provided with pulley wheels 14, the two pulley wheels 14 are in friction transmission through a belt 15, a sliding plate 17 is fixedly arranged at the right end of the main, the rotary cavity 18 penetrates through the upper end face and the lower end face of the sliding plate 17, a rotary plate rotating shaft 20 is rotatably arranged in the rotary cavity 18, the rotary plate rotating shaft 20 is rotatably arranged on the inner wall of the front side and the rear side of the rotary cavity 18, a sorting plate 19 is fixedly arranged on the rotary plate rotating shaft 20, a sorting sliding plate 21 is arranged on the lower side of the sorting plate 19, the sorting sliding plate 21 is fixedly arranged at the lower end of the main fixing plate 16, a sorting slide rail 22 is arranged in the sorting sliding plate 21, a sorting slide block 23 is slidably arranged in the sorting slide rail 22, a sorting connecting plate 24 is fixedly arranged at the right end of the sorting slide block 23, a gravity detector 25 is fixedly arranged at the upper end of the sorting connecting plate 24, and; the fruit sorting device 81 is characterized in that a fruit packing device 82 is arranged on the right side of the fruit sorting device 81, the fruit packing device 82 comprises a packing bin 27, the packing bin 27 is fixedly arranged on the inner wall of the right side of the shell cavity 11, a packing cavity 28 is arranged in the packing bin 27, the opening of the packing cavity 28 faces downwards, a winding wheel shaft 36 is arranged in the packing cavity 28, the winding wheel shaft 36 is rotatably arranged on the inner wall of the rear side of the packing cavity 28, a winding wheel 37 is fixedly arranged on the winding wheel shaft 36, a packing bag 38 is wound on the winding wheel 37, two high position limiting wheel shafts 40 are arranged on the lower side of the winding wheel 37, the two high position limiting wheel shafts 40 are rotatably arranged on the inner wall of the rear side of the packing cavity 28, the two high position limiting wheel shafts 40 are bilaterally symmetrical, a high position limiting wheel 39 is fixedly arranged on the high position limiting, the guide channel 43 is fixedly arranged on the inner wall of the rear side of the packaging cavity 28, a guide channel cavity 44 is arranged in the guide channel 43, the guide channel cavity 44 is opened up and down, two low-position limiting wheel shafts 41 are arranged on the lower side of the guide channel cavity 44, the two low-position limiting wheel shafts 41 are bilaterally symmetrical, the two low-position limiting wheel shafts 41 are rotatably arranged on the inner wall of the rear side of the packaging cavity 28, the low-position limiting wheel shaft 41 is fixedly provided with a low-position limiting wheel 42, the lower side of the low-position limiting wheel 42 is provided with a transposition sliding groove 49, the transposition sliding groove 49 is arranged in the rear side wall of the packaging cavity 28, a transposition sliding block 56 is arranged in the transposition sliding groove 49, a transposition connecting block 57 is fixedly arranged at the front end of the transposition connecting block 57, a rotating motor 59 is fixedly arranged at the front end of the transposition connecting block 57, an opening bottom plate 47 is fixedly arranged at the front end of the rotating motor shaft 60, an opening sliding groove 48 is arranged in the opening bottom plate 47, a clamping block sliding block 71 is slidably arranged in the opening sliding groove 48, a clamping connecting rod 72 is fixedly arranged at the front end of the clamping block sliding block 71, an actuating clamping block 46 is fixedly arranged at the front end of the clamping connecting rod 72, a fixed clamping block 45 is arranged on the right side of the actuating clamping block 46, and the fixed clamping block 45 is fixedly arranged on the opening bottom plate 47; the fruit packing device 82 is provided with a falling door opening device 83 at the lower side, the falling door opening device 83 comprises two door opening chutes 51, the two door opening chutes 51 are symmetrical front and back, the two door opening chutes 51 are respectively arranged in the front side wall and the back side wall of the shell cavity 11, the opening of the door opening chute 51 faces the shell cavity 11, a door opening rotating shaft 63 is arranged in the door opening chute 51 in a rotating way, the door opening rotating shaft 63 is arranged between the inner walls of the left side and the right side of the door opening chute 51 in a rotating way, a door opening rotating block 62 is fixedly arranged on the door opening rotating block 62, a bearing plate 50 is fixedly arranged at one end of the door opening rotating block 62 close to the shell cavity 11, a linkage semi-gear 52 is fixedly arranged at the lower end of the door opening rotating block 62, a driven gear shaft 65 is arranged at the lower, a driven gear 64 is fixedly arranged on the driven gear shaft 65, a rack actuating sliding groove 73 is arranged on the lower side of the driven gear 64, a rack sliding block 68 is arranged in the rack actuating sliding groove 73 in a sliding manner, a rack actuating electromagnet 70 is arranged on one side, close to the shell cavity 11, of the rack sliding block 68, the rack actuating electromagnet 70 is fixedly arranged on the inner wall of one side, close to the shell cavity 11, of the rack actuating sliding groove 73, the rack sliding block 68 is connected with the rack actuating electromagnet 70 through a rack return spring 69, a rack connecting block 67 is fixedly arranged at the upper end of the rack sliding block 68, and a driving rack 66 is fixedly arranged at the upper end of the rack connecting block; advantageously, the belt 15 is moved by the pulley 14 through friction, the fruit on the sliding plate 17 is moved from front to back by the belt 15, and the fruit moving onto the sorting plate 19 can be pressed by the sorting spring 26 onto the gravity detector 25.

Advantageously, when the pressure received by the gravity detector 25 is within the acceptable range, the sorting slider 23 starts to operate, the sorting slider 23 slides downwards, the sorting slider 23 drives the sorting connecting plate 24 to move downwards, the sorting connecting plate 24 drives the gravity detector 25 to move downwards, the gravity detector 25 drives the sorting plate 19 to move through the sorting spring 26, and the sorting plate 19 rotates clockwise around the rotating plate rotating shaft 20, so that the fruit slides to the right.

Beneficially, be equipped with blast chamber 74 in the packing cavity 28, blast chamber 74 is fixed to be set up on the inner wall of packing cavity 28 upside, be equipped with the air blast cavity 30 that the opening is up in the blast chamber 74, air blast cavity 30 upside is equipped with filter screen 29, filter screen 29 sets up in the lateral wall on the packing cavity 28, filter screen 29 lower extreme is fixed to be equipped with air-blast motor 31, air-blast motor 31 lower extreme rotates and is equipped with air-blast motor shaft 32, air-blast motor shaft 32 lower extreme is fixed to be equipped with air-blast fan leaf 33, air-blast fan leaf 33 downside is equipped with out tuber pipe 35, be equipped with air-out passageway 34 in the play tuber pipe 35, air-out passageway 34 communicates air-.

Advantageously, the actuating block 46 and the fixed block 45 have viscosity, and the actuating block 46 can generate heat when being powered on, so that the packaging bag 38 can be melted, and after the packaging bag 38 is melted, the actuating block 46 and the fixed block 45 are not adhered to the packaging bag 38.

Advantageously, the driven gear 64 and the driving rack 66 are in gear engagement transmission, the driven gear 64 and the linkage half gear 52 are in gear engagement transmission, when the carrying plate 50 needs to be opened, the rack actuation electromagnet 70 is electrified to attract the rack slider 68, the rack slider 68 slides towards the rack actuation electromagnet 70, the rack slider 68 drives the rack connecting block 67 to move, the rack connecting block 67 drives the driving rack 66 to move, the driving rack 66 moves towards the rack actuation electromagnet 70, the driving rack 66 drives the driven gear 64 to rotate through gear engagement transmission, the driven gear 64 drives the linkage half gear 52 to rotate around the door opening rotating shaft 63 through gear engagement transmission, and the linkage half gear 52 drives the carrying plate 50 to rotate around the door opening rotating shaft 63, the carrier plate 50 is opened.

In the initial state, the sorting slider 23 does not work, the sorting spring 26 is in the normal state, the blower motor 31 does not work, the transposition slider 56 does not work, the rotating motor 59 does not work, the clamping block sliding block 71 does not work, the actuating clamping block 46 is not electrified, and the rack actuating electromagnet 70 is not electrified.

When the fruits are rolled onto the sorting plate 19, the fruits press the sorting plate 19 downwards due to the fact that the fruits have gravitational potential energy, the sorting plate 19 presses the sorting spring 26 downwards, the sorting spring 26 presses the gravity detector 25 downwards, when the pressure detected by the gravity detector 25 is within a qualified value range, the sorting slider 23 starts to work, the sorting slider 23 slides downwards, the sorting slider 23 drives the sorting connecting plate 24 to move downwards, the sorting connecting plate 24 drives the gravity detector 25 to move downwards, the gravity detector 25 pulls the sorting plate 19 to move downwards through the sorting spring 26, the sorting plate 19 rotates clockwise around the rotating plate rotating shaft 20, and the fruits roll rightwards from the sorting plate 19 until rolling into the packing cavity 28; at the moment, the clamping block sliding block 71 drives the clamping connecting rod 72 to move rightwards, the clamping connecting rod 72 drives the actuating clamping block 46 to move rightwards, the clamping block 46 and the fixed clamping block 45 clamp the packaging bag 38, the actuating clamping block 46 is adhered to one side of the left side of the packaging bag 38, the fixed clamping block 45 is adhered to one side of the right side of the packaging bag 38, then the clamping block sliding block 71 moves leftwards, the clamping block sliding block 71 drives the clamping connecting rod 72 to move leftwards, the clamping connecting rod 72 drives the actuating clamping block 46 to move leftwards, the actuating clamping block 46 drives the packaging bag 38 to move leftwards through adhesion, the transposition sliding block 56 starts to work, the transposition sliding block 56 slides leftwards, the transposition sliding block 56 drives the transposition connecting block 57 to move leftwards, the transposition connecting block 57 drives the rotating motor 59 to move leftwards, the rotating motor 59 drives the rotating motor shaft 60 to move leftwards, the rotating motor shaft 60 drives the opening bottom plate 47 to move to the left side, and the rotating motor 59 starts to work, the rotating motor 59 drives the rotating motor shaft 60 to rotate, the rotating motor shaft 60 drives the opening bottom plate 47 to rotate until the transposition slide block 56 moves to the leftmost side, the opening bottom plate 47 is in a vertical state, the clamping block slide block 71 is positioned at the topmost end of the opening chute 48, at this time, one side of the packaging bag 38 is opened, fruits enter the packaging bag 38, the air blowing motor 31 starts to work, the air blowing motor shaft 31 drives the air blowing motor shaft 32 to rotate, the air blowing motor shaft 32 drives the air blowing fan blade 33 to rotate, the air blowing fan blade 33 blows air downwards, air is guided by the air outlet pipe 35, air flow is blown into the packaging bag 38 from the air outlet channel 34, then the packaging bag 38 is blown by the slide blocks to expand, then the clamping block 71 slides downwards until the clamping block slide block, then the clamping block 46 is actuated to be electrified and heated, the packaging bag 38 is melted by the actuating clamping block 46, the left end of the packaging bag 38 is closed in an airtight mode, then the clamping block sliding block 71 slides upwards, the actuating clamping block 46 is far away from the fixed clamping block 45, and the packaging bag 38 is not clamped by the actuating clamping block 46 and the fixed clamping block 45; then the rack actuating electromagnet 70 is electrified to generate attraction force, the rack actuating electromagnet 70 attracts the rack sliding block 68, the rack sliding block 68 slides towards the direction close to the rack actuating electromagnet 70, the rack sliding block 68 drives the rack connecting block 67 to move towards the direction close to the rack actuating electromagnet 70, the rack connecting block 67 drives the driving rack 66 to move, the driving rack 66 and the driven gear 64 drive the driven gear 64 to rotate through gear meshing transmission, the driven gear 64 and the linkage half gear 52 drive the linkage half gear 52 to rotate around the door rotating shaft 63 through gear meshing transmission, the linkage half gear 52 drives the door opening rotating block 62 to rotate around the door rotating shaft 63, the door opening rotating block 62 drives the bearing plate 50 to rotate, the bearing plate 50 is opened, the packaging bags 38 with fruits fall on the conveying belt 55, and sorting is completed; the embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an inflatable is used for protecting plastic envelope packing of fruit, includes the shell, its characterized in that: the fruit sorting device comprises an upper fixed plate, the upper fixed plate is fixedly arranged on the inner wall of the left side of the cavity of the shell, a main fixed plate is arranged on the lower side of the upper fixed plate and fixedly arranged on the inner wall of the left side of the cavity of the shell, two belt wheel rotating shafts are rotatably arranged between the upper fixed plate and the main fixed plate and are symmetrical front and back, belt wheels are fixedly arranged on the belt wheel rotating shafts, the two belt wheels are in friction transmission through a belt, a sliding plate is fixedly arranged at the right end of the main fixed plate, a rotating cavity is arranged in the sliding plate and penetrates through the upper end surface and the lower end surface of the sliding plate, a rotating plate rotating shaft is rotatably arranged in the rotating cavity and is rotatably arranged on the inner walls of the front side and the rear side of the rotating cavity, a sorting plate is fixedly arranged on the rotating shaft of the rotating plate, a sorting sliding plate is arranged on the lower side of the sorting plate, the sorting sliding plate is fixedly arranged at the lower end of the main fixing plate, a sorting slide way is arranged in the sorting slide way, a sorting slide block is arranged in the sorting slide way in a sliding manner, a sorting connecting plate is fixedly arranged at the right end of the sorting slide block, a gravity detector is fixedly arranged at the upper end of the sorting connecting plate, and the gravity detector is connected with the sorting plate through a sorting spring; the fruit sorting device is characterized in that a fruit packing device is arranged on the right side of the fruit sorting device and comprises a packing bin, the packing bin is fixedly arranged on the inner wall of the right side of the shell cavity, a packing cavity is arranged in the packing bin, the opening of the packing cavity faces downwards, a winding wheel shaft is arranged in the packing cavity and is rotatably arranged on the inner wall of the rear side of the packing cavity, a winding wheel is fixedly arranged on the winding wheel shaft, a packing bag is wound on the winding wheel, two high-position limiting wheel shafts are arranged on the lower side of the winding wheel and are rotatably arranged on the inner wall of the rear side of the packing cavity, the two high-position limiting wheel shafts are bilaterally symmetrical, high-position limiting wheels are fixedly arranged on the high-position limiting wheel shafts, a guide channel is arranged on the lower side of each high-position limiting wheel, and is fixedly arranged on, a guide channel cavity is arranged in the guide channel, the guide channel cavity is opened up and down, two low-position limiting wheel shafts are arranged on the lower side of the guide channel cavity, the two low-position limiting wheel shafts are bilaterally symmetrical, the two low-position limiting wheel shafts are rotatably arranged on the inner wall of the rear side of the packaging cavity, a low-position limiting wheel is fixedly arranged on each low-position limiting wheel shaft, a transposition chute is arranged on the lower side of each low-position limiting wheel, the transposition chute is arranged in the rear side wall of the packaging cavity, a transposition slide block is slidably arranged in the transposition chute, a transposition connecting block is fixedly arranged at the front end of the transposition slide block, a rotating motor is fixedly arranged at the front end of the transposition connecting block, a rotating motor shaft is rotatably arranged at the front end of the rotating motor, an opening bottom plate is fixedly arranged at the front end of the, a clamping connecting rod is fixedly arranged at the front end of the clamping block sliding block, an actuating clamping block is fixedly arranged at the front end of the clamping connecting rod, a fixed clamping block is arranged on the right side of the actuating clamping block, and the fixed clamping block is fixedly arranged on the opening bottom plate;

the fruit packing device is characterized in that a falling door opening device is arranged on the lower side of the fruit packing device and comprises two door opening chutes which are symmetrical front and back, the two door opening chutes are respectively arranged in the front and back two side walls of the cavity of the shell, the opening of the door opening chutes faces the cavity of the shell, a door opening rotating shaft is rotationally arranged in the door opening chutes and is rotationally arranged between the inner walls of the left side and the right side of the door opening chutes, door opening rotating blocks are fixedly arranged on the door opening rotating blocks, a bearing plate is fixedly arranged at one end, close to the cavity of the shell, of each door opening rotating block, linkage half gears are fixedly arranged at the lower ends of the door opening rotating blocks, driven gear shafts are arranged on the lower sides of the linkage half gears and are rotationally arranged on the inner walls of the left side, the driven gear downside is equipped with the rack and actuates the spout, the rack actuates and slides in the spout and is equipped with rack slider, rack slider is close to shell cavity one side is equipped with the rack and actuates the electro-magnet, the rack actuates the electro-magnet fixed setting the rack and actuates the spout and be close to on the inner wall of shell cavity one side, rack slider with the rack actuates and connects through rack reset spring between the electro-magnet, the fixed rack connecting block that is equipped with in rack slider upper end, the fixed initiative rack that is equipped with in rack connecting block upper end.

2. The inflatable plastic packaging for protecting fruits according to claim 1, wherein: the belt wheel drives the belt to move through friction, the belt drives the fruit on the sliding plate to move from front to back, and when the fruit moves to the sorting plate, the sorting spring can transfer pressure to the gravity detector.

3. An inflatable plastic envelope package for protecting fruit according to claim 2, wherein: when the received pressure on the gravity detector is within a qualified range, the sorting slide block starts to work, the sorting slide block slides downwards, the sorting slide block drives the sorting connecting plate to move downwards, the sorting connecting plate drives the gravity detector to move downwards, the gravity detector drives the sorting plate to move through the sorting spring, and the sorting plate rotates clockwise around the rotating plate rotating shaft, so that the fruits slide to the right side.

4. The inflatable plastic packaging for protecting fruits according to claim 1, wherein: actuate the clamp splice with fixed clamp splice has viscidity, and can generate heat after actuating the clamp splice circular telegram, can with the wrapping bag melts, the wrapping bag is melted the back, actuate the clamp splice with fixed clamp splice no longer glues the wrapping bag.

5. The inflatable plastic packaging for protecting fruits according to claim 1, wherein: actuate the clamp splice with fixed clamp splice has viscidity, and can generate heat after actuating the clamp splice circular telegram, can with the wrapping bag melts, the wrapping bag is melted the back, actuate the clamp splice with fixed clamp splice no longer glues the wrapping bag.

6. The inflatable plastic packaging for protecting fruits according to claim 1, wherein: the driven gear and the driving rack are in meshing transmission through a gear, the driven gear and the linkage half gear are in meshing transmission through a gear, when the bearing plate needs to be opened, the rack actuation electromagnet is electrified to attract the rack sliding block, the rack sliding block slides towards the direction close to the rack actuating electromagnet, the rack sliding block drives the rack connecting block to move, the rack connecting block drives the active rack to move, the active rack moves towards the direction close to the rack active electromagnet, the driving rack drives the driven gear to rotate through gear meshing transmission, the driven gear drives the linkage half gear to rotate around the door opening rotating shaft through gear meshing transmission, the linkage half gear drives the bearing plate to rotate around the door opening rotating shaft, and then the bearing plate is opened.