CN114735347A

CN114735347A - Feed packaging bag, outer packaging bag and packaging process thereof

Info

Publication number: CN114735347A
Application number: CN202210671275.2A
Authority: CN
Inventors: 张娅娣; 魏艳华; 周广驰; 郭广玲; 杜雅坤; 代俊燕; 苏子明
Original assignee: Xingtang Kunfeng Machinery Manufacturing Co ltd
Current assignee: Zhang Yadi
Priority date: 2022-06-15
Filing date: 2022-06-15
Publication date: 2022-07-12
Anticipated expiration: 2042-06-15
Also published as: CN114735347B

Abstract

The application discloses a feed packaging bag, an outer packaging bag and a packaging process thereof, relating to the technical field of packaging containers and comprising a heat-shrinkable bag body and partition wax blocks; the heat-shrinkable bag body is made of a heat-shrinkable material and is in a tubular shape with one closed end, and plays a role in containing feed; the separation wax block plays a role in separating the feed in the thermal shrinkage bag body and comprises a wax block main body, a wax block sealing bag, a drying block body and a soft isolation ring; the wax block main body is an hourglass-shaped block body and is made of paraffin; the soft isolation ring is made of paraffin wax, is positioned at the edge of the wax block main body and is used for assisting the wax block main body to isolate feed; the wax block sealing bag is used for packaging the wax block main body and the soft isolating ring; the drying blocks are fixed on the wax block closed bag, are positioned at two ends of the wax block main body in spatial position and are blocks or bag bodies with drying agents inside; the technical effect that different feed quantities can be torn out according to the subjective will of feeding personnel by the feed packaging bag and the portability is good is achieved.

Description

Feed packaging bag, outer packaging bag and packaging process thereof

Technical Field

The invention relates to the technical field of packaging equipment, in particular to a feed packaging bag, an outer packaging bag and a packaging process thereof.

Background

The feed packaging bag is a key material for feed packaging, transportation and use, and the quality of the packaging bag can directly influence the quality and the storage life of the feed; wherein the packaging of the pet food is much more demanding than the packaging of the livestock food, due to the relatively high price and short shelf life of the pet food; with the improvement of living standard of people, the number of people who travel with pets is increased more and more; the pet food is necessarily taken into consideration when the pet is carried to travel; in the prior art, a large number of pet food manufacturers release small vacuum-packaged feeds (packaged by small bags with the same specification or small bags with various rules) in order to facilitate carrying of the feeds and meet the requirement of portability of the pet feeds.

However, the volume of the small bag package is not too small (for example, fifty grams and sixty grams), and if the volume is too small, the cost of vacuumizing each bag of feed is greatly increased; the required feed amount of different pets is different, and the packaging capacity is difficult to be matched with the required feed amount of the pets, so that the pets are required to be unpacked one by one each time or the pets are required to be fed with the newly unpacked feed matched with the feed which is not fed in the upper bag each time; the feed is directly discarded after being fed once by a single bag or is put into the luggage, the discarded feed can cause serious waste, and the feed is polluted on the luggage because the feed is unsealed when the feed is put into the luggage, thereby bringing certain inconvenience to travel.

Disclosure of Invention

The embodiment of the application solves the technical problems that in the prior art, the feed packaged by small bags is difficult to adapt to different food quantities of different pets, the portability is poor, the feed packaging bag can be detached to obtain different feed quantities according to the subjective will of feeding personnel, and the portability is good.

The embodiment of the application provides a feed packaging bag, which comprises a heat-shrinkable bag body and a partition wax block;

the heat-shrinkable bag body is made of a heat-shrinkable material and is in a tubular shape with one closed end, and plays a role in containing feed;

the separation wax block plays a role in separating the feed in the heat-shrinkable bag body and comprises a wax block main body, a wax block sealing bag, a drying block body and a soft isolation ring;

the wax block main body is an hourglass-shaped block body and is made of paraffin;

the soft isolation ring is made of paraffin wax, is positioned at the edge of the wax block main body and is used for assisting the wax block main body to isolate feed;

the wax block sealing bag is used for packaging the wax block main body and the soft isolation ring, and plays a role in isolating the wax block main body from the feed in the thermal shrinkage bag body;

the drying blocks are fixed on the wax block closed bag, are positioned at two ends of the wax block main body in spatial positions, are blocks or bag bodies with drying agents inside, and play a role in absorbing moisture and preventing corrosion.

Preferably, the inner diameter of the heat-shrinkable bag body is 1-3 cm, and the heat-shrinkable bag body has different specifications; the heat-shrinkable bag bodies with different inner diameters are matched with the partition wax blocks with different diameters.

Preferably, the device further comprises a closing belt; the closed belt comprises a belt body, the belt body is an adhesive tape, and one surface of the belt body is provided with adhesive;

each heat-shrinkable bag body is provided with a scribing opening, the scribing opening is formed by scribing a sharp object on the heat-shrinkable bag body after the heat-shrinkable bag body is filled and before the heat-shrinkable bag body is vacuumized, and the scribing openings are not connected;

the belt body seals the cut opening.

Preferably, the closure strip further comprises a tear notch and a bungee cord;

the easy-to-tear nicks are arranged on the belt body, the spatial positions of the easy-to-tear nicks are close to the positions of the partition wax blocks, and the number of the easy-to-tear nicks is the same as that of the partition wax blocks, so that the belt body can be conveniently broken;

the elastic rope is fixed on the belt body and is a rope body made of elastic materials, and the elastic rope plays a role in connecting the belt body when the belt body is broken.

Preferably, the wax block main body is also provided with a fixing groove;

the fixed slot is the ring channel, and the quantity of fixed slot is two in the same wax stone main part, lies in the wax stone main part respectively and is close to the lateral wall at both ends on, when the pyrocondensation bag body is heated, fixes the wax stone main part on the pyrocondensation bag body because of the shrinkage of pyrocondensation bag body self.

Preferably the bungee cord is positioned at or near one side of the belt body.

One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:

the pet feed is packaged by a tubular bag body made of heat-shrinkable materials, an hourglass-shaped partition wax block is put into the bag when a certain weight of the feed is filled into the bag, the bag is heated properly after filling and vacuumizing, the packaging bag can be automatically shrunk into a sausage string shape, and the bag body with proper length is cut off or screwed off for carrying each time; effectively solved the different food capacities that the pocket packing fodder is difficult to be suitable for different pets in prior art, the relatively poor technical problem of portability, and then realized that the fodder wrapping bag can be torn out different feed capacities according to personnel's subjective intention, and the technological effect that portability is good.

Drawings

FIG. 1 is a schematic view showing the overall structure of a feed packing bag according to the present invention;

FIG. 2 is a schematic view of the feed packaging bag according to the present invention after packaging;

FIG. 3 is a schematic view of the outer structure of the feed packing bag of the present invention;

FIG. 4 is a schematic view showing the position relationship between the scoring opening and the heat-shrinkable bag according to the present invention;

FIG. 5 is a schematic view showing the position relationship between the sealing tape and the heat-shrinkable bag according to the present invention;

FIG. 6 is a schematic view of the construction of a partition wax block of the present invention;

FIG. 7 is a cross-sectional view of a partition wax block of the present invention;

FIG. 8 is a schematic structural view of a closure strip of the present invention;

FIG. 9 is a schematic view of the location of the frangible score of the present invention;

FIG. 10 is a schematic view of a broken closure strip of the present invention;

FIG. 11 is a schematic diagram of the configuration of the bungee cord of the present invention;

FIG. 12 is a schematic view showing the positional relationship between the storage bag and the heat-shrinkable bag;

FIG. 13 is a schematic view of the filling assembly of the present invention;

FIG. 14 is a schematic view of the construction of the easy-to-detach package of the present invention;

FIG. 15 is a schematic view showing the connection between the take-up reel and the bag body take-up reel according to the present invention;

fig. 16 is a schematic structural view of a wax block main body of the present invention.

In the figure:

a heat-shrinkable bag body 100;

the wax block comprises a blocking wax block 200, a wax block main body 210, a fixing groove 211, a wax block sealing bag 220, a dry block 230 and a soft isolation ring 240;

a closed belt 300, a cut opening 310, a belt body 320, an easy-tearing nick 321, an elastic rope 330, an elastic part 331 and a non-elastic part 332;

storing the packaging bags 400 and the handles 410;

the device comprises a filling assembly 500, a feed bin 510, a quantitative discharging assembly 520, a filling assembly 530, a feeding funnel 531, a feeding pipe 532, a wax block input assembly 540, a wax block storage bin 541 and a material distributing and stopping mechanism 542;

the convenient-to-disassemble packaging bag 600, the containing bag body 610, the output port 611, the lifting handle 612, the discharge pipe body 620, the center positioning rod 630, the belt body rolling wheel 640, the reversing rod 650, the bag body rolling wheel 660, the rotating handle 661, the linkage assembly 670, the guide rope 680 and the fixing rope 690.

Detailed Description

To facilitate an understanding of the invention, the present application will now be described more fully hereinafter with reference to the accompanying drawings; the preferred embodiments of the present invention are illustrated in the accompanying drawings, but the invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete.

It should be noted that the terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs; the terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention; as used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1, which is a schematic diagram of the overall structure of the feed packing bag of the present invention; the pet feed is packaged by the tubular bag body made of the heat-shrinkable material, an hourglass-shaped partition wax block is placed into the bag when a certain weight of the feed is filled into the bag, the bag is heated properly after filling and vacuumizing, the packaging bag can be automatically shrunk into a sausage string shape, and the bag body with proper length is cut off or screwed off for carrying every time; the technical effects that different feed amounts can be detached from the feed packaging bag according to subjective wishes of feeding personnel and the portability is good are achieved.

Example one

The feed packaging bag comprises a thermal shrinkage bag body 100 and a partition wax block 200.

As shown in fig. 1 to 3, the heat-shrinkable bag 100 is a tubular bag made of heat-shrinkable material and having one closed end, and plays a role of containing feed;

as shown in fig. 6 and 7, the blocking wax block 200 functions to block the fodder in the heat-shrinkable bag body 100, and includes a wax block main body 210, a wax block closed bag 220, a dry block 230 and a soft isolation ring 240; the wax block main body 210 is an hourglass-shaped block body made of paraffin; the soft isolation ring 240 is made of paraffin wax, is positioned at the edge of the wax block main body, and is used for assisting the wax block main body 210 to isolate the feed; the wax block sealing bag 220 is used for sealing the wax block main body 210 and the soft isolation ring 240, and plays a role in isolating the wax block main body 210 from the feed in the heat-shrinkable bag body 100; the drying blocks 230 are fixed on the wax block closed bag 220, are positioned at two ends of the wax block main body 210 in spatial positions, are blocks or bags with drying agents inside, and have the functions of moisture absorption and corrosion prevention.

Preferably, the inner diameter of the heat-shrinkable bag 100 is 1 to 3 cm, and the bag has different specifications; the heat-shrinkable bag bodies 100 with different inner diameters are matched with the partition wax blocks 200 with different diameters.

Preferably, an oil absorbing paper is positioned on the drying block 230.

Preferably, the wax block closed bag 220 is made of a heat shrinkable material.

Preferably, the material of the heat-shrinkable bag 100 is PVC.

The feed packaging bag provided by the embodiment of the application needs to use the filling assembly 500, the vacuum suction assembly and the sealing assembly when being filled; referring to fig. 13, the filling assembly 500 includes a feeding bin 510, a quantitative discharging assembly 520, a filling assembly 530, a wax block input assembly 540, a power assembly and a control unit; the specific packaging process comprises the following steps:

s1, positioning the heat-shrinkable bag body 100 on the filling assembly 500, operating the quantitative discharging assembly 520, outputting a certain weight (or volume) of feed (preferably 40 g, 50 g, 60 g and the like) from the feed bin 510, and filling the feed into the heat-shrinkable bag body 100 through the funnel-shaped and/or auger-shaped filling assembly 530;

s2, operating the wax block input component 540, and putting a separation wax block 200 into the heat shrinkage bag body 100;

s3, alternately operating the quantitative discharging component 520 and the wax block input component 540, filling feed into the heat shrinkage bag body 100 and separating the wax blocks 200;

s4, vacuumizing and sealing the heat-shrinkable bag body 100;

and S5, blowing hot air (the temperature of the hot air is determined according to the material of the heat-shrinkable bag body 100) onto the heat-shrinkable bag body 100, so that the heat-shrinkable bag body is heated to automatically shrink into a multi-section structure similar to a sausage as shown in figure 4.

Further, the filling assembly 530 includes a feeding funnel 531 and a feeding pipe 532, the feeding funnel 531 is communicated with the quantitative discharging assembly 520, and the feeding pipe 532 is positioned at the bottom of the feeding funnel 531; the wax block input assembly 540 comprises a wax block storage bin 541 and a material distributing and stopping mechanism 542, which are respectively used for storing and cutting off the wax block 200 and quantitatively and regularly outputting the cut-off wax block 200.

Preferably, an auger structure is arranged in the feeding pipe 532.

Preferably, the amount of feed in each heat shrink pouch 100 can be the same or different.

Preferably, each heat shrinkable bag 100 has a weight label thereon.

In actual use, a feeding person cuts or twists off one or more parts (specifically according to the pet food amount) from the whole heat-shrinkable bag body 100 to carry the food, and the surplus feed is placed in a temporary residence (for example, for a pet dog, whether a large dog or a small dog is fed 3 to 4 tons per day before 4 months, and is also fed 3 tons per day after 4 months to 8 months, so that the feeding person is necessary to carry one or more dog foods when going out); when the pet is fed, the package is torn open, the feed is poured out, and the feed packaging bag is discarded.

The technical scheme in the embodiment of the application at least has the following technical effects or advantages:

the technical problems that in the prior art, the small and medium-sized packaged feed is difficult to adapt to different food quantities of different pets and the portability is poor are solved, the technical effects that the feed packaging bag can be used for detaching different feed quantities according to the subjective desire of feeding personnel and the portability is good are achieved.

Example two

In order to facilitate taking out the feed in the heat-shrinkable bag body 100 in the embodiment, the present embodiment adds a sealing tape 300 on the basis of the above embodiments; as shown in fig. 4, 5 and 8, specifically, the following steps are performed: the closed belt 300 comprises a belt body 320, wherein the belt body 320 is an adhesive tape, and one surface of the adhesive tape is provided with adhesive; each heat-shrinkable bag body 100 is provided with a cutting opening 310, the cutting opening 310 is formed by cutting a sharp object on the heat-shrinkable bag body 100 after the heat-shrinkable bag body 100 is filled with the heat-shrinkable bag body 100 and before vacuum pumping, and the cutting openings 310 are not coherent; the tape body 320 seals the scribe opening 310.

The step 4 of the packaging process of the feed packaging bag specifically comprises the following steps:

s4.1, horizontally placing the filled feed, marking an opening on each section of the heat shrinkable bag body 100, and immediately sealing the cut opening 310 by using a belt body 320;

s4.2, vacuumizing and sealing the heat-shrinkable bag body 100.

When feeding pets, the feeding personnel tear the belt body 320 to pour out the feed and then discard the feed packaging bag.

Preferably, the glue on the band body 320 is super glue, the width of the band body 320 is less than 0.5 cm, the cutting opening 310 can not be cut during packaging, and the heat-shrinkable bag body 100 can be directly torn due to the viscosity of the glue when the band body 320 is torn.

In order to further improve the portability of the entire heat-shrinkable bag body 100 and to extend the storage time of the fodder therein, it is preferable that the heat-shrinkable bag body 100 is provided with a storage pack 400,

as shown in fig. 12, the storage bag 400 is made of aluminum foil and has a sealing strip and a handle 410.

Considering that the folding of the heat-shrinkable bag body 100 into the form shown in fig. 12 into the storage bag 400 is limited by the tape body 320, it is preferable that the closure tape 300 further includes the easy-tear notch 321 and the elastic string 330, as shown in fig. 9 and 10; the easy-tearing nicks 321 are arranged on the belt body 320, the spatial position of the easy-tearing nicks 321 is close to the position of the partition wax block 200, and the quantity of the easy-tearing nicks 321 is the same as that of the partition wax blocks 200, so that the belt body 320 is conveniently broken; the elastic cord 330 is fixed on the belt body 320 and is a cord body made of an elastic material, and plays a role of connecting the belt body 320 when the belt body 320 is broken.

Preferably, to avoid the presence of elastic cord 330 from affecting the hermeticity of heat-shrinkable bag 100, elastic cord 330 is positioned at or near one side of strap 320 (to avoid elastic cord 330 from coinciding with cut-out 310).

Preferably, as shown in fig. 11, the elastic cord 330 includes an elastic portion 331 and a non-elastic portion 332, the elastic portion 331 and the non-elastic portion 332 are disposed alternately, and the elastic portion 332 is located at a position close to the blocking wax block 200 in the spatial position.

Preferably, the sealing strip is a concave-convex meshing sealing strip.

EXAMPLE III

For further improvement this application's practicality and suitability, make it to be applicable to daily pet feeding equally, this application has add outer packing bag on the basis of above-mentioned embodiment, outer packing bag includes just tearing open wrapping bag 600, just tears open wrapping bag 600 and can carry out disposable use also can used repeatedly many times, can realize simple convenient and need not the raising of carrying out the pet of dirty hand, and has refused the possibility that does not use fodder and air contact, specifically does:

as shown in fig. 14, the easy-to-detach package bag 600 includes a receiving bag 610, a discharging tube 620, a center positioning rod 630, a belt winding wheel 640, a reversing rod 650, a bag winding wheel 660, a linkage assembly 670, a guiding rope 680, and a fixing rope 690;

the accommodating bag 610 is a rectangular box-shaped bag or a flat bag, and plays a role of accommodating the heat-shrinkable bag 100; the accommodating bag body 610 is provided with an output port 611 for outputting the feed in the heat-shrinkable bag body 100 and a lifting handle 612 convenient for carrying by hand, and the distance between the output port 611 and the lifting handle 612 is larger than or equal to the diameter of an inscribed circle of the accommodating bag body 610; the discharging tube 620 is positioned on the output port 611 and plays a role of guiding the feed; the central positioning rod 630 is rod-shaped, and is rotatably connected to the inner wall of the accommodating bag 610 around its own axis, and the spatial position of the central positioning rod is located on the accommodating bag 610 near the center; the belt body rolling wheel 640 is rotatably connected inside the accommodating bag body 610 and is linked with the bag body rolling wheel 660 through a linkage assembly 670, and the belt body rolling wheel is spatially close to the output port 611; for convenience of description and understanding, hereinafter, the term "unsealed bag" is used to refer to "the partially heat-shrinkable bag 100 with the tape 300 torn off", and the term "sealed bag" is used to refer to "the partially heat-shrinkable bag 100 with the tape 300 adhered thereto"; the reversing rod 650 is positioned in the containing bag body 610, has the same axial direction as the central positioning rod 630, and plays a role of guiding the running of the unsealed bag body and is spatially close to the output port 611; the bag body rolling wheel 660 is used for rolling and unsealing the bag body, the main body is in a rod shape, and the main body is axially connected to the inside of the accommodating bag body 610 in a rotating mode and protrudes out of the accommodating bag body 610; the guide rope 680 and the fixing rope 690 are rope bodies and are respectively positioned at two ends of the packaging bag body; the guide rope 680 is fixed on the bag body winding wheel 660; the fixing rope 690 is fixed on the central positioning rod 630; the packaging bag body is wound on the central positioning rod 630 and is rolled into a disc shape; the length of the band 320 is greater than the total length of the heat-shrinkable bag 100, and the head of the band 320 far from the central positioning rod 630 is positioned on the band rolling wheel 640.

Preferably, as shown in fig. 15, the linkage assembly 670 is a rope, two ends of the rope are respectively wound and positioned on the bag body winding wheel 660 and the belt body winding wheel 640, and the belt body winding wheel 640 is driven to synchronously rotate during the rotation process of the bag body winding wheel 660.

Preferably, an upper cover is positioned on the discharging pipe body 620, and a sealing assembly is arranged between the upper cover and the discharging pipe body 620.

Preferably, a rotating handle 661 is positioned on the bag body winding wheel 660, the rotating handle 661 is a bump or a handle, and is positioned at a position where the bag body winding wheel 660 protrudes out of the bag body 610, so as to rotate the bag body winding wheel 660 conveniently.

Preferably, the easy-to-detach packaging bag 600 can be detached into two parts with similar sizes, and the two parts are detachably and fixedly connected (through a zipper and the like).

When the feeding bag is actually used, a feeder lifts the packaging bag 600 to be conveniently detached, the discharge pipe body 620 is aligned to the feed basin, then the bag body winding wheel 660 is rotated to separate the belt body 320 from the heat-shrinkable bag body 100, and feed is output from the heat-shrinkable bag body 100 and then is conveyed to the feed basin; the different numbers of turns of the bag body coiling wheel 660 are rotated to separate the feeds with different sections, so that different amounts of feeds can be poured out.

Preferably, the position of the easy-to-detach packaging bag 600 close to the output port 611 is made of a transparent material, so that the separation state of the belt body 320 and the heat-shrinkable bag body 100 can be conveniently observed.

Preferably, in order to prevent the cut-off wax block 200 from falling into the feed basin together with the feed after the band 320 and the heat-shrinkable bag body 100 are separated, as shown in fig. 16, the wax block main body 210 is further provided with a fixing groove 211; the fixed slots 211 are annular slots, the number of the fixed slots 211 on the same wax block main body 210 is two, the fixed slots are respectively located on the side walls of the wax block main body 210 close to the two ends, and when the heat-shrinkable bag body 100 is heated, the wax block main body 210 is fixed on the heat-shrinkable bag body 100 due to the self shrinkage of the heat-shrinkable bag body 100.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A feed packing bag is characterized by comprising a heat-shrinkable bag body (100) and a partition wax block (200);

the heat-shrinkable bag body (100) is a tubular bag body made of heat-shrinkable materials and one end of the bag body is closed, and plays a role in containing feed;

the heat-shrinkable bag comprises a heat-shrinkable bag body (100), a wax block isolating body (200), a drying block body (230) and a soft isolating ring (240), wherein the heat-shrinkable bag body (100) is provided with a heat-shrinkable bag body (210);

the wax block main body (210) is an hourglass-shaped block made of paraffin;

the soft isolation ring (240) is made of paraffin wax, is positioned at the edge of the wax block main body and is used for assisting the wax block main body (210) to isolate the feed;

the wax block sealing bag (220) is used for packaging the wax block main body (210) and the soft isolation ring (240) and plays a role in isolating the wax block main body (210) from the feed in the heat-shrinkable bag body (100);

the drying blocks (230) are fixed on the wax block closed bag (220), are positioned at two ends of the wax block main body (210) in spatial positions, are blocks or bags with drying agents inside, and play a role in absorbing moisture and preventing corrosion.

2. The feed packing bag of claim 1, wherein the heat-shrinkable bag body (100) has an inner diameter of 1 to 3 cm and has various specifications; the heat-shrinkable bag bodies (100) with different inner diameters are matched with the partition wax blocks (200) with different diameters.

3. The feed packaging bag of claim 1, further comprising a closure strip (300); the closed belt (300) comprises a belt body (320), wherein the belt body (320) is an adhesive tape, and one surface of the adhesive tape is provided with adhesive;

each heat-shrinkable bag body (100) is provided with a scribing opening (310), the scribing opening (310) is scribed on the heat-shrinkable bag body (100) by using a sharp object after the heat-shrinkable bag body (100) is filled and before vacuum pumping, and the scribing openings (310) are not communicated;

the tape body (320) seals the scribe opening (310).

4. The feed package of claim 3 wherein said closure strip (300) further comprises a frangible score (321) and a bungee cord (330);

the easy-tearing nicks (321) are arranged on the belt body (320), the spatial positions of the easy-tearing nicks are close to the positions of the partition wax blocks (200), and the number of the easy-tearing nicks (321) is the same as that of the partition wax blocks (200), so that the belt body (320) is conveniently broken;

the elastic rope (330) is fixed on the belt body (320), is a rope body made of elastic materials and plays a role in connecting the belt body (320) when the belt body (320) is broken.

5. The feed packing bag of claim 1, wherein the wax block body (210) is further provided with a fixing groove (211);

the fixed slots (211) are annular slots, the number of the fixed slots (211) on the same wax block main body (210) is two, the fixed slots are respectively positioned on the side walls of the wax block main body (210) close to two ends, and when the heat-shrinkable bag body (100) is heated, the wax block main body (210) is fixed on the heat-shrinkable bag body (100) due to the self shrinkage of the heat-shrinkable bag body (100).

6. The feed packing bag of claim 4, wherein the elastic cord (330) is positioned at or near one side of the band (320).

7. An outer package for a feed package according to any one of claims 1 to 6, comprising a knock-down bag (600);

the convenient-to-disassemble packaging bag (600) comprises a containing bag body (610), a discharging pipe body (620), a central positioning rod (630), a belt body rolling wheel (640), a bag body rolling wheel (660), a linkage assembly (670), a guide rope (680) and a fixing rope (690);

the accommodating bag body (610) is a rectangular box-shaped bag body or a flat bag body and plays a role in accommodating the heat-shrinkable bag body (100);

an output port (611) for outputting the feed in the heat-shrinkable bag body (100) and a lifting handle (612) convenient to carry by hand are arranged on the accommodating bag body (610), and the distance between the output port (611) and the lifting handle (612) is larger than or equal to the diameter of an inscribed circle of the accommodating bag body (610);

the discharging pipe body (620) is positioned on the output port (611) and plays a role in guiding the feed;

the central positioning rod (630) is rod-shaped, is rotatably connected to the inner wall of the accommodating bag body (610) around the axis of the central positioning rod, and is positioned on the accommodating bag body (610) close to the center in spatial position;

the belt body rolling wheel (640) is rotatably connected inside the accommodating bag body (610), and is linked with the bag body rolling wheel (660) through a linkage component (670) to be close to the output port (611) in space; the bag body rolling wheel (660) is used for rolling and unsealing the bag body, the main body is rod-shaped, and is connected to the inside of the accommodating bag body (610) in a rotating manner around the axial direction of the main body and protrudes out of the accommodating bag body (610);

the guide rope (680) and the fixing rope (690) are both rope bodies and are respectively positioned at two ends of the packaging bag body; the guide rope (680) is fixed on the bag body coiling wheel (660);

the fixed rope (690) is fixed on the central positioning rod (630);

the packaging bag body is wound on the central positioning rod (630) and is rolled into a disc shape;

the length of the belt body (320) is larger than the total length of the heat-shrinkable bag body (100), and the head part of the belt body (320) far away from the central positioning rod (630) is positioned on the belt body coiling wheel (640).

8. The packaging bag according to claim 7, wherein the position of the easy-to-detach packaging bag (600) close to the output port (611) is made of transparent material, so that the separation state of the band body (320) and the heat-shrinkable bag body (100) can be observed conveniently.

9. A packaging process of a feed packaging bag, which is characterized in that the feed packaging bag of claim 1 is matched; the specific packaging process comprises the following steps:

s1, positioning the heat-shrinkable bag body (100) on a filling component (500), operating a quantitative discharging component (520), outputting a certain weight of feed from a feed bin (510), and filling the feed into the heat-shrinkable bag body (100) through a funnel-shaped and/or auger-shaped filling component (530);

s2, operating the wax block input assembly (540), and putting a partition wax block (200) into the heat shrinkage bag body (100);

s3, alternately operating the quantitative discharging component (520) and the wax block input component (540), and filling the feed into the heat shrinkage bag body (100) and separating the wax block (200);

s4, vacuumizing and sealing the heat-shrinkable bag body (100);

s5, blowing hot air to the heat shrinkage bag body (100) to make it automatically shrink after heating.

10. A packaging process of a feed packaging bag, which is characterized in that the feed packaging bag of claim 3 is matched; the specific packaging process comprises the following steps:

s4.1, horizontally placing the filled feed, marking an opening on each heat shrinkable bag body (100), and immediately sealing the marked opening (310) by using a belt body (320);

s4.2, vacuumizing and sealing the heat-shrinkable bag body (100);