CN213443346U - Feeding device of packaging bag - Google Patents

Abstract

The utility model relates to the technical field of universal mechanical equipment manufacturing, in particular to a feeding device of a packaging bag, which comprises a base, a control console, an equipment box, a storage box and a sucker, wherein one side of the base is provided with the control console, a II-type air pipeline penetrates through the middle of the control console, the equipment box penetrates through the lower section of the II-type air pipeline, and the end of the upper section of the II-type air pipeline is connected with the sucker; a storage box is arranged right below the sucker, and one side of the storage box is connected with the conveying mechanism; in the use, install the loading attachment of wrapping bag additional at the top of conveyer belt and do not influence the circumstances of equipment operation for packing efficiency is higher and consuming time shorter, can also reduce intensity of labour simultaneously.

Description

Feeding device of packaging bag

Technical Field

The utility model relates to a general mechanical equipment makes technical field, in particular to loading attachment of wrapping bag.

Background

In the field of medicine, most of the traditional Chinese medicine medicaments are herbaceous plants, but most of medicinal material purchasers and medicinal material preparation plants abandon the prior processing technology and directly process dry medicinal materials into powder for selling the powder for the outside in order to improve the medicinal properties and facilitate the taking of patients, but the powdery medicinal powder has the characteristics of easiness in wetting and inconvenience in transportation. Therefore, the medicinal material purchasing manufacturers and the medicinal material preparation factories purchase mechanical equipment for integrating medicinal material processing and medicinal powder packaging.

For the medicine powder packaging bag, people generally know that a nontoxic plastic finished product packaging bag is adopted, but the plastic finished product packaging bag has the characteristics of small specification, easy fluttering and strong adsorbability, and for the existing mechanical equipment integrating medicine material processing and medicine powder packaging, the packaging bag does not have a set of device capable of realizing automatic feeding of the medicine powder packaging bag in the medicine powder packaging link, so that the problems of low packaging efficiency and long packaging time are caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a loading attachment of wrapping bag installs the loading attachment of wrapping bag additional at the top of conveyer belt and under the condition that does not influence equipment operation for packing is efficient and weak point consuming time, can also reduce intensity of labour simultaneously.

In order to solve the technical problem, the utility model adopts the following technical scheme:

a feeding device for packaging bags comprises a base, a control console, an equipment box, a storage box and a sucker, wherein the base comprises a bedplate and support legs, and the control console is arranged at the right end of the upper side of the bedplate; the console is a cavity body, and an air pump is arranged inside the cavity body; the air pump is provided with a type I air delivery hole, the type I air delivery hole is connected with a first interface of a type I air pipeline, and a second interface of the type I air pipeline is connected with an air pipe hole; the air pipe hole is arranged in the middle of the peripheral end face of the II-type air pipe; the tail end of the upper part of the II-type gas pipeline is connected with the sucker, the lower part of the II-type gas pipeline penetrates through the control console, the inner table plate and the equipment box, and the lower part of the II-type gas pipeline is connected with the gas rod through the fixing ring; the air rod is arranged at the upper end of the air cylinder, and the air cylinder is in sliding connection with the fixed support plate through the elastic bolt; the bottom end of the air cylinder is provided with a type I flange and is connected with the lower section of a type II air pipeline through the type I flange; the lower end of the II-type gas pipeline is provided with a sliding block, the sliding block is installed on a screw rod, one end of the screw rod is connected with a fixed bearing ring, the fixed bearing ring is connected with the inner wall of the equipment box through a screw, and the other end of the screw rod is connected with the rotating shaft end of the stepping motor through a coupler; the stepping motor is arranged on one side of the inner wall of the equipment box and embedded in the inner wall of the equipment box; the upper side edge of the equipment box is provided with a bolt hole, and the equipment box, the inner bedplate and the console are connected through I-shaped bolts; a storage box is arranged at the left end of the console, and a primary object blocking cross bar at the upper side of the storage box is welded with a secondary object blocking cross bar at the feeding end; the material loading end is arranged at the right end of the conveyor belt, and the conveyor belt is installed on the support frame.

Further, the middle parts of the two transversely symmetrical inner walls of the storage box are provided with vertical object blocking pieces, a finished product packaging bag is placed in the right cabin separated by the vertical object blocking pieces, and the cabin filled with the finished product packaging bag rotating bag is located under the sucker.

Further, the surfaces of the console, the inner table plate and the fixed support plate are respectively provided with a type I transverse through groove, a type II transverse through groove and a type III transverse through groove, the type I transverse through groove, the type II transverse through groove and the type III transverse through groove are rectangular, the type I transverse through groove, the width between the type II transverse through groove and the type III transverse through groove is larger than the diameter of the type II gas pipeline.

Furthermore, elastic bolt slideways are symmetrically arranged on two sides of the III-type transverse through groove on the surface of the fixed support plate, an air cylinder bottom end hole is formed in the upper portion of each elastic bolt slideway, and the air cylinder bottom end hole is connected with the elastic bolt slideways in a sliding mode through an elastic bolt.

Furthermore, a display screen, a button and an I-shaped air pipeline hole are arranged at the upper part of the console, and an I-shaped air pipeline penetrates through the I-shaped air pipeline hole; the surface of the inner table plate is provided with a II-type air pipeline hole, and a III-type air pipeline penetrates through the II-type air pipeline hole; one end of the III-type air pipeline is connected with an air delivery hole of the air pump, and the other end of the III-type air pipeline is connected with an air cylinder in the equipment box.

Furthermore, the buttons are divided into three buttons, the first button controls the air delivery and air suction of the air pump, the second button controls the stepping motor, and the third button controls the lifting process.

Further, I type gas pipeline and III type gas pipeline are rubber leather hose, and the peripheral terminal surface of I type gas pipeline terminal port and III type gas pipeline terminal port overlaps respectively has I type tight ring sum III type tight ring.

Further, the type II gas pipeline is divided into an upper section and a lower section; an air hole groove is formed in the upper section of the type II air pipeline, and the initial end of the upper section is connected with the air rod through a fixing ring; the inner part of the lower section of the type II gas pipeline is a solid body, and the starting end of the lower section is connected with the bottom end of the cylinder.

Further, the sucking disc is the rectangle cavity body, and the upper end of the cavity body links to each other with II type trachea way's upper segment, and the lower extreme surface of the cavity body is provided with five suction holes, and four suction holes distribute in proper order in four corners of cuboid, and another suction hole distributes in the middle part of cuboid.

Furthermore, one end of the conveyor belt is provided with a motor, the motor is connected with a rotating shaft in the conveyor belt, and the motor is arranged on the supporting table.

Principle of operation

Firstly, put into the cabin on the right of storage box with a bundle of finished product powder wrapping bag that has untied the rope, set up the promotion procedure of powder wrapping bag to conveyer belt on the control cabinet again:

firstly, adjusting an air rod to drive a sucker to the lowest end so that the sucker is in contact with the upper surface of a first medicine powder packaging bag in a cabin on the right side;

when the sucking disc descends to be in contact with the upper surface layer of the first medicine powder packaging bag, the air pump is adjusted to perform an air suction process at the moment when the sucking disc is in contact with the upper surface layer of the first medicine powder packaging bag, so that negative pressure is formed on the upper surface layer of the medicine powder packaging bag and is absorbed by the sucking disc;

when the first powder packaging bag is adsorbed by the sucker, the air pump is adjusted to be an air cylinder to convey air so as to drive the upper section of the II-type air pipeline connected with the air rod to move upwards, so that the sucker connected with the tail end of the upper section of the II-type air pipeline is driven to lift from the lowest end to the highest end which is flush with the conveyor belt, and the first powder packaging bag adsorbed on the sucker is lifted from the right cabin in the storage box to the highest end which is flush with the conveyor belt by the II-type air pipeline;

when the sucking disc adsorbing the medicine powder packaging bag ascends to the position right above the right cabin, the stepping motor is adjusted to rotate to control the sliding block at the lower section of the II-type air pipeline to move on the transverse screw rod along one side close to the conveying belt until the sucking disc adsorbing the medicine powder packaging bag is positioned right above the feeding end of the conveying belt and the medicine powder packaging bag is just contacted with the feeding end of the conveying belt, and the sliding block stops moving until the sucking disc positioned right above the storage box and at the highest end is brought to the position right above the feeding end of the conveying belt by the II-type air pipeline connected with the sliding block;

when the sucking disc for adsorbing the first medicine powder packaging bag is positioned right above the feeding end of the conveying belt, the air pump is adjusted to stop sucking air, so that the medicine powder packaging bag adsorbed on the sucking disc falls onto the conveying belt in operation, the sucking disc positioned at the feeding end of the conveying belt releases the adsorbed first medicine powder packaging bag to the surface of the conveying belt, and the medicine powder packaging bag falling onto the surface of the conveying belt is conveyed to a powder bag entering link by the conveying belt in operation;

when the first medicine powder packaging bag is released to the conveyor belt, the stepping motor is adjusted to rotate, so that the slide block connected with the lower section of the II-type air pipeline moves to the other side far away from the conveyor belt on the screw rod until the suction cup is positioned right above the right cabin and at the highest end to stop, and the suction cup positioned right above the feeding end and releasing the medicine powder packaging bag is moved to the right above the right cabin from the right above the feeding end transversely by the II-type air pipeline;

and seventhly, when the sucker transversely moves rightwards to the right side of the cabin, the air pump is adjusted to suck air for the air cylinder to drive the upper section of the II-type air pipeline connected with the air rod to move downwards, so that the sucker connected with the tail end of the upper section of the II-type air pipeline is driven to fall from the highest end to the lowest end in contact with the upper surface layer of the next powder packaging bag, the sucker positioned right above the cabin on the right side and at the highest end is driven by the II-type air pipeline to be in contact with the upper surface layer of the second powder packaging bag in the right side cabin right below, and the process is circulated, and then the feeding process of the powder packaging bags is completed.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses install the loading attachment of wrapping bag additional at the top of conveyer belt and under the condition that does not influence equipment operation for packing efficiency is higher and consuming time shorter, can also reduce intensity of labour simultaneously.

2. Be provided with vertical fender thing piece in two horizontal symmetrical inner walls middle parts of storage box, and the region that vertical fender thing piece separates is located the sucking disc under, at the in-process of placing storage box with the powder wrapping bag like this and by the sucking disc adsorption process at the powder wrapping bag, can guarantee that the wrapping bag can not topple over because of the locating position is oblique, can guarantee again that the sucking disc can in time high-efficiently absorb the powder wrapping bag.

3. The lower end of the sucking disc is provided with five air suction holes, the four air suction holes are sequentially distributed at four corners of the lower end of the sucking disc, the other air suction hole is distributed in the middle of the lower end of the sucking disc, and when the medicine powder packaging bag is adsorbed by the sucking disc, the five air suction holes equally divide load and stably absorb the medicine powder packaging bag.

4. I type trachea way and III type trachea way are the rubber leather hose, and I type trachea way end opening and the peripheral end face of III type trachea way end opening overlap respectively and have I type tight ring sum III type tight ring, can adsorb medicine powder packaging bag to the in-process that promotes medicine powder packaging bag and take the conveyer belt at the sucking disc, be difficult for can hindering the promotion process of medicine powder packaging bag to conveyer belt because of I type trachea way and III type trachea way's plasticity is low, thereby guarantee loading attachment's normal operating and not break down.

Drawings

Fig. 1 is a front view of the structure of the present invention;

FIG. 2 is a schematic view of the structure of the present invention;

FIG. 3 is a perspective view of the structure of the present invention;

in the figure, 1-base, 2-console, 3-equipment box, 4-storage box, 5-sucker, 6-air pump, 7-type I air delivery hole, 8-type I air pipe, first interface of 9-type I air pipe, second interface of 10-type I air pipe, 11-air pipe hole, 12-type II air pipe, 13-button, 14-type I transverse through groove, 15-inner platen, 16-air rod, 17-fixing ring, 18-air cylinder, 19-slide block, 20-screw rod, 21-fixing bearing ring, 22-stepping motor, 23-feeding end, 24-secondary baffle cross bar, 25-conveyor belt, 26-support frame, 27-fixing support plate, 28-display screen, 29-type I air pipe hole, 30-II type air pipeline hole, 31-III type air pipeline, 32-cabin, 33-motor and 34-level barrier cross bar.

Detailed Description

As shown in fig. 1 to 3, in order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example 1

A feeding device for packaging bags comprises a base 1, a control console 2, an equipment box 3, a storage box 4 and a sucker 5, wherein the base 1 comprises a bedplate and support legs, and the control console is arranged at the right end of the upper side of the bedplate; the console is a cavity body, an air pump 6 is arranged inside the cavity body, the air pump is provided with a type I air delivery hole 7, the type I air delivery hole 7 is connected with a first interface 9 of a type I air pipeline 8, and a second interface 10 of the type I air pipeline 8 is connected with an air pipe hole 11; the air pipe hole 11 is arranged in the middle of the peripheral end face of the type II air pipe 12; the tail end of the upper part of the II-type air pipeline 12 is connected with the sucker 5, the lower part of the II-type air pipeline 12 penetrates through the space among the console 2, the inner bedplate 15 and the equipment box 3, and the lower part of the II-type air pipeline 12 is connected with the air rod 16 through the fixing ring 17; the air rod 16 is arranged at the upper end of the air cylinder 18, and the air cylinder is connected with the fixed support plate 27 in a sliding mode through the elastic bolt; the bottom end of the cylinder 18 is provided with a I-shaped flange, and the bottom end of the cylinder 18 is connected with the lower section of the II-shaped air pipeline 12 through the I-shaped flange; the lower end of the II-type air pipeline 12 is provided with a sliding block 19, the sliding block 19 is installed on a screw rod 20, one end of the screw rod 20 is connected with a fixed bearing ring 21, the fixed bearing ring 21 is connected with the inner wall of the equipment box through a screw, and the other end of the screw rod 20 is connected with the rotating shaft end of a stepping motor 22 through a coupler; the stepping motor 22 is arranged on one side of the inner wall of the equipment box 3 and embedded in the inner wall of the equipment box 3; the upper side edge of the equipment box 3 is provided with bolt holes, and the equipment box 3, the inner bedplate 15 and the control console 2 are connected through I-shaped bolts; the left end of the control console 2 is provided with a storage box 4, and a first-level object blocking transverse strip 34 on the upper side of the storage box 4 is welded with a second-level object blocking transverse strip 24 on the feeding end 23; the feeding end 23 is arranged at the right end of the conveyor belt 25, and the conveyor belt is arranged on the support frame 26; in the use, install the loading attachment of wrapping bag additional at the top of conveyer belt and do not influence the circumstances of equipment operation for packing efficiency is higher and consuming time shorter, can also reduce intensity of labour simultaneously.

Example 2

On embodiment 1's basis, the middle part of two horizontal symmetry inner walls of storage box 4 is provided with vertical fender thing piece, and the finished product wrapping bag has been placed to the right cabin 32 that vertical fender thing piece separates, and is equipped with finished product powder package and changes the cabin of bag and be located sucking disc 5 under, can be when the sucking disc adsorbs the powder wrapping bag, accurately and high-efficiently adsorb the powder wrapping bag and need not do other adjustments to this improves corresponding work efficiency.

Example 3

On the basis of embodiment 1, the surfaces of the control console 2, the inner platen 15 and the fixed support plate 27 are provided with a type i transverse through groove 14, a type ii transverse through groove and a type iii transverse through groove, the type i transverse through groove 14, the type ii transverse through groove and the type iii transverse through groove are rectangular, the width between the type i transverse through groove 14, the type ii transverse through groove and the type iii transverse through groove is larger than the diameter of the type ii air duct, so that in the lifting process of the powder packaging bag to the conveyor belt, not only can a passage be provided for the traveling process of the type ii air duct, but also the inner platen can provide a support platform for an air cylinder on the type ii air duct.

Example 4

On the basis of embodiment 1, the two sides of the III-type transverse through groove on the surface of the fixed support plate 27 are symmetrically provided with elastic bolt slideways, the upper part of each elastic bolt slideway is provided with a cylinder 18 bottom end hole, and the cylinder 18 bottom end hole is connected with the elastic bolt slideways in a sliding manner through an elastic bolt, so that necessary conditions can be created for the cylinder in the transverse moving process in the walking process of the lower section of the II-type air pipeline.

Example 5

On the basis of embodiment 1, the upper part of the console 2 is provided with a display screen 28, a button 13 and an I-shaped air duct hole 29, and the I-shaped air duct hole 29 penetrates through the I-shaped air duct 8; the surface of the inner table plate is provided with a II-type air duct hole 30, and a III-type air duct 31 penetrates through the II-type air duct hole 30; one end of the type III air pipeline 31 is connected with the type II air delivery hole of the air pump 6, and the other end of the type III air pipeline is connected with the air cylinder 18 in the equipment box 3.

Example 6

On the basis of the embodiment 1, the buttons 13 are divided into three, the first button controls the air delivery and air suction of the air pump, the second button controls the stepping motor, and the third button controls the lifting process, so that clear instructions can be efficiently and accurately sent to all the devices in the process of controlling the motion of all the devices.

Example 7

On embodiment 1's basis, I type trachea way 8 and III type trachea way 31 are the rubber leather hose, and the periphery terminal surface of I type trachea way 8 end opening and III type trachea way 31 end opening overlaps respectively and has I type tight retaining ring and III type tight retaining ring, can adsorb medicine powder wrapping bag at the sucking disc to the in-process that promotes medicine powder wrapping bag to the conveyer belt, and difficult meeting hinders the promotion process of medicine powder wrapping bag to conveyer belt because of I type trachea way and III type trachea way's plasticity is low to guarantee loading attachment's normal operating and not breaking down.

Example 8

On the basis of the embodiment 1, the type II gas pipeline is divided into an upper section and a lower section; the type II gas pipeline 12 is divided into an upper section and a lower section; an air hole groove is formed in the upper section of the type II air pipeline, and the initial end of the upper section is connected with an air rod 16 through a fixing ring 17; the inside entity that is of the hypomere of II type gas pipeline 12, and hypomere top links to each other with cylinder 18 bottom, can not only provide corresponding control channel for its lift process at the promotion in-process of powder wrapping bag to conveyer belt, but also can alleviate the axial load of the slider that links to each other with the lead screw to the stability of this device has been improved.

Example 9

On embodiment 1's basis, sucking disc 5 is the rectangle cavity body, and the upper end of the cavity body links to each other with the upper segment of II type trachea way 12, and the lower extreme surface of the cavity body is provided with five suction holes, and four suction holes distribute in proper order in four corners of rectangle, and another suction hole distributes in the middle part of the cuboid, can be when the powder wrapping bag is adsorbed by the sucking disc, and load is equallyd divide to five suction holes and stably absorb the powder wrapping bag.

Example 10

On the basis of embodiment 1, one end of the conveyor belt 25 is provided with the motor 33, the motor 33 is connected with a rotating shaft in the conveyor belt 25, and the motor 33 is installed on the support table, so that the powder packaging bags can be fed from the initial end of the conveyor belt to the next link, and sufficient power is provided for the conveyor belt to stably convey the powder packaging bags to the next link.

Finally, it should be noted that: in the description of the present invention, it should be noted that: firstly, the method comprises the following steps: a type I air pipeline and a type III air pipeline in a packaging bag feeding device are rubber leather pipes, the length of the rubber leather pipe of the type I air pipeline can be extended along with the type II air pipeline in the movement process, and the type I air pipeline only shows the connection relation of the type I air pipeline in the description of the attached drawings; secondly, the method comprises the following steps: a packaging bag feeding device is provided with a plurality of sensors, an air cylinder valve and a travel switch so as to assist the lifting procedure of a medicine powder packaging bag to a conveying belt.

Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.

Claims (10)

1. The utility model provides a loading attachment of wrapping bag which characterized in that: the device comprises a base (1), a control console (2), an equipment box (3), a storage box (4) and a sucker (5), wherein the base (1) comprises a bedplate and support legs, and the control console is arranged on the upper side of the bedplate; the console is a cavity body, an air pump (6) is arranged inside the cavity body, the air pump (6) is provided with a type I air delivery hole (7), the type I air delivery hole (7) is connected with a first interface (9) of a type I air pipeline (8), and a second interface (10) of the type I air pipeline (8) is connected with an air pipe hole (11); the air pipe hole (11) is arranged in the middle of the peripheral end face of the type II air pipe (12); the tail end of the upper part of the II-type gas pipeline (12) is connected with the sucker (5), the lower part of the II-type gas pipeline (12) penetrates through the control console (2), the inner table plate (15) and the equipment box (3), and the lower part of the II-type gas pipeline (12) is connected with the gas rod (16) through a fixing ring (17); the air rod (16) is arranged at the upper end of the air cylinder (18), and the air cylinder is connected with the fixed support plate (27) in a sliding manner through the elastic bolt; the bottom end of the air cylinder (18) is provided with an I-shaped flange, and the bottom end of the air cylinder (18) is connected with the lower section of the II-shaped air pipeline (12) through the I-shaped flange; the lower end of the II-type air pipeline (12) is provided with a sliding block (19), the sliding block (19) is installed on a screw rod (20), one end of the screw rod (20) is connected with a fixed bearing ring (21), the fixed bearing ring (21) is connected with the inner wall of the equipment box through a screw, and the other end of the screw rod (20) is connected with the rotating shaft end of a stepping motor (22) through a coupler; the stepping motor (22) is arranged on one side of the inner wall of the equipment box (3) and embedded in the inner wall of the equipment box (3); the upper side edge of the equipment box (3) is provided with a bolt hole, and the equipment box (3), the inner bedplate (15) and the console (2) are connected through I-shaped bolts; a storage box (4) is arranged at the left end of the control console (2), and a first-level object blocking transverse strip (34) on the upper side of the storage box (4) is welded with a second-level object blocking transverse strip (24) on the feeding end (23); the feeding end (23) is arranged at the right end of the conveying belt (25), and the conveying belt is installed on the supporting frame (26).

2. The feeding device of the packaging bag according to claim 1, wherein: the middle parts of two transverse symmetrical inner walls of the storage box (4) are provided with vertical object blocking pieces, a finished product packaging bag is placed in a right cabin (32) separated by the vertical object blocking pieces, and the cabin in which the finished product packaging bag is arranged is positioned under the sucker (5).

3. The feeding device of the packaging bag according to claim 1, wherein: the control cabinet is characterized in that I-type transverse through grooves (14) are formed in the surfaces of the control cabinet (2), the inner table plate (15) and the fixed support plate (27), II-type transverse through grooves and III-type transverse through grooves are formed in the surfaces of the control cabinet (2), the inner table plate (15) and the fixed support plate (27), I-type transverse through grooves (14), II-type transverse through grooves and III-type transverse through grooves are rectangular, I-type transverse through grooves (14) are formed in the surfaces of the control cabinet and the inner table plate, and the width between the II-type transverse through grooves and the III-type transverse through grooves is larger than.

4. The feeding device of the packaging bag according to claim 1, wherein: the III type on the surface of the fixed support plate (27) is symmetrically provided with elastic bolt slideways on two sides of a transverse through groove, the upper part of each elastic bolt slideway is provided with a cylinder (18) bottom hole, and the cylinder (18) bottom hole is slidably connected with the elastic bolt slideways through an elastic bolt.

5. The feeding device of the packaging bag according to claim 1, wherein: the upper part of the console (2) is provided with a display screen (28), a button (13) and an I-shaped air pipeline hole (29), and an I-shaped air pipeline (8) penetrates through the I-shaped air pipeline hole (29); the surface of the inner bedplate is provided with a II-type air pipeline hole (30), and a III-type air pipeline (31) penetrates through the II-type air pipeline hole (30); one end of the III type air pipeline (31) is connected with the II type air delivery hole of the air pump (6), and the other end of the III type air pipeline is connected with the air cylinder (18) in the equipment box (3).

6. The feeding device of the packaging bag as claimed in claim 5, wherein: the buttons (13) are divided into three buttons, the first button controls the air delivery and air suction of the air pump, the second button controls the stepping motor, and the third button controls the lifting process.

7. The feeding device of the packaging bag according to claim 1, wherein: type I gas pipeline (8) and type III gas pipeline (31) are rubber leather hose, and type I gas pipeline (8) end opening and type III gas pipeline (31) end opening's periphery terminal surface overlaps respectively has type I tight retaining ring and type III tight retaining ring.

8. The feeding device of the packaging bag according to claim 1, wherein: the type II gas pipeline (12) is divided into an upper section and a lower section; an air hole groove is formed in the upper section of the type II air pipeline, and the initial end of the upper section is connected with an air rod (16) through a fixing ring (17); the inside of the lower section of the II-type gas pipeline (12) is solid, and the starting end of the lower section is connected with the bottom end of the cylinder (18).

9. The feeding device of the packaging bag according to claim 1, wherein: sucking disc (5) are the rectangle cavity body, and the upper end of the cavity body links to each other with the upper segment of II type trachea way (12), and the lower extreme surface of the cavity body is provided with five suction holes, and four suction holes distribute in proper order in four corners of cuboid, and another suction hole distributes in the middle part of cuboid.

10. The feeding device of the packaging bag according to claim 1, wherein: one end of the conveyor belt (25) is provided with a motor (33), the motor (33) is connected with a rotating shaft in the conveyor belt (25), and the motor (33) is installed on the supporting table.

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