CN113479409A - Feeding device and method for mask packaging bags and stacking and packaging equipment - Google Patents

Abstract

The invention relates to the technical field of medical mask production, in particular to a mask packaging bag feeding device and method. A feeding device for a mask packaging bag comprises a winding drum, a winding roller, a pressing assembly, a fixing plate, a bag guiding assembly, a side pressing plate, a bottom pressing plate and a cylinder; the winding drum is wound with a packaging bag and is hinged to the section bar frame, and the winding roller is positioned at the leading-out end of the packaging bag on the winding drum; the pressing assembly is arranged on the section bar frame, the bag guiding assembly is connected to the fixed plate, the two side pressing plates are arranged, the bottom pressing plate is positioned in front of the two side pressing plates, the side pressing plates and the bottom pressing plate are fixedly arranged on the fixed plate, and rollers are arranged on the side pressing plates and the bottom pressing plate; the cylinder is positioned between the two side pressing plates and above the bottom pressing plate, and the side wall of the cylinder is in contact with the roller; one end of the cylinder is provided with four rectangular notches, and the other end of the cylinder is provided with a thick ring which corresponds to the roller at the end part of the side pressing plate. The invention has the advantages of simple and convenient bag opening and high feeding efficiency.

Description

Feeding device and method for mask packaging bags and stacking and packaging equipment

Technical Field

The invention relates to the technical field of medical mask production, in particular to a mask packaging bag feeding device and method.

Background

The gauze mask needs to fold a plurality of gauze masks together before putting into the market, adopts the plastic tape to pack, all can use packagine machine to pack the gauze mask usually, and packagine machine is exactly the machine of the type that packs the product, plays protection, pleasing to the eye effect. The packaging machine mainly comprises a conveying platform, a sealing and cutting station, a film feeding mechanism and the like, a certain number of masks are conveyed to the sealing and cutting station through the conveying platform, the packaging film is conveyed to the end part of the conveying platform by the film feeding mechanism at the sealing and cutting station, the masks are conveyed into the packaging film, and then the sealing and cutting mechanism at the sealing and cutting station is used for sealing and cutting, so that the masks are packaged. The conventional KN95 mask package is generally as shown in fig. 10, wherein the stacked masks (100) are wrapped by a wrapping bag (200), the ends are heat sealed and cut, and waste (300) is generated after one end is cut.

The Chinese patent application (publication number: CN112810909A, published as 20210518) discloses a mask bagging machine, which sequentially comprises a mask distributing and conveying device, a packaging bag film slitting and feeding device, a bilateral hot-melting edge sealing device, a sealing hot-melting edge sealing device and a cutting device according to the conveying sequence of masks, wherein the mask distributing and conveying device is used for arraying and conveying the masks to the packaging bag film slitting and feeding device to perform upper and lower film covering on the masks, then the hot-melting edge sealing operation in four directions is performed through the bilateral hot-melting edge sealing device and the sealing hot-melting edge sealing device, and finally the seals are cut and separated to produce the masks which are independently packaged.

The prior art has the following defects: 1. the packaging bag is difficult to open, and the feeding efficiency is low; 2. the automation degree is low, and the packaging efficiency is low; 3. the packaging tape is light in weight and is difficult to fall naturally after being clamped, pulled out and cut off; the clamping of the packaging bag is difficult.

Disclosure of Invention

The invention aims to provide a feeding device and a feeding method for a mask packaging bag, which are simple, convenient and efficient in bag opening and feeding, aiming at the problems that the packaging bag is difficult to open and the feeding is inefficient in the prior art.

For the purpose of the invention, the following technical scheme is adopted for realizing the purpose:

a feeding device for a mask packaging bag comprises a winding drum, a winding roller, a pressing assembly, a fixing plate, a bag guiding assembly, a side pressing plate, a bottom pressing plate and a cylinder; the winding drum is wound with a packaging bag and is hinged to the section bar frame, and the winding roller is positioned at the leading-out end of the packaging bag on the winding drum; the pressing assembly is arranged on the section bar frame, the bag guiding assembly is connected to the fixed plate, the two side pressing plates are arranged, the bottom pressing plate is positioned in front of the two side pressing plates, the side pressing plates and the bottom pressing plate are fixedly arranged on the fixed plate, and rollers are arranged on the side pressing plates and the bottom pressing plate; the cylinder is positioned between the two side pressing plates and above the bottom pressing plate, and the side wall of the cylinder is in contact with the roller; one end of the cylinder is provided with four rectangular notches, and the other end of the cylinder is provided with a thick ring which corresponds to the roller at the end part of the side pressing plate.

Preferably, the pressing assembly comprises a movable pressing roller, a fixed pressing roller and a pressing cylinder, the pressing cylinder is located at two ends of the movable pressing roller, a rotating shaft of the movable pressing roller is connected with a telescopic end of the pressing cylinder, the side edge of the fixed pressing roller is movably hinged, and the movable pressing roller corresponds to the fixed pressing roller.

Preferably, draw the bag subassembly including pulling cylinder, fixed frame, clamp plate and push down the cylinder, fixed frame passes through the slide rail and removes the connection on the fixed plate, and the pulling cylinder is installed at the lower terminal surface of fixed plate, and the flexible end of pulling cylinder is connected with fixed frame, pushes down the cylinder and installs in the upper end of fixed frame, and the clamp plate is installed at the flexible end of push down the cylinder, the horizontal portion of fixed frame is corresponded to the clamp plate lower extreme.

Preferably, the winding roller is provided with a plurality of winding rollers, two ends of one winding roller are connected to the section bar frame through linear bearings, and the winding roller stretches the packaging bag through gravity.

Preferably, the roller is provided with a plurality of rollers, the rollers are arranged side by side, and the rollers are arranged along the radial direction of the cylinder.

A feeding method for a mask packaging bag comprises the steps that a strip-shaped packaging bag is wound on a winding drum, the packaging bag enters a pressing assembly after passing through a winding roller, then is opened after passing through a bag guiding assembly, and is sleeved on the outer side of the winding drum and then is sent out; draw the material loading that the bag subassembly made a round trip to stimulate realization wrapping bag, prevent when compressing tightly the subassembly that the wrapping bag of material loading end is not hard up.

A mask stacking and packaging device comprises a section bar frame, a bag feeding device, a fixed cutting device, a movable cutting device, a lower supporting device and a bag sleeving device, wherein the bag feeding device, the fixed cutting device, the movable cutting device, the lower supporting device and the bag sleeving device are arranged on the section bar frame; the bag conveying device horizontally corresponds to the bag sleeving device, the fixed cutting device is positioned at the discharge end of the bag conveying device, the movable cutting device is positioned above the bag conveying device, and the lower supporting device is positioned below the bag sleeving device; the bag feeding device adopts the technical scheme to provide the feeding device for the mask packaging bags.

Preferably, the bag feeding device is used for feeding out the packaging bag; the fixed cutting device is used for cutting and heat-sealing the packaging bag, and the movable cutting device is used for cutting, heat-sealing and pushing the cup; the lower supporting device is used for supporting the packaged cup and discharging; the bagging device is used for coating a packaging bag on the stacked cups.

Preferably, the fixed cutting device comprises a guide seat, a movable mounting plate, a cutter assembly and a driving cylinder; the guide seat is arranged on the section bar frame, the horizontal part of the guide seat is a guide pillar, the movable mounting plate is movably connected to the guide pillar, the movable mounting plate is symmetrically provided with two cutter assemblies, the two cutter assemblies are arranged on the movable mounting plate and are oppositely arranged, the driving cylinder is horizontally arranged on the guide seat, and the telescopic end of the driving cylinder is connected with the movable mounting plate; the cutter assembly comprises a heating seat, a base plate and a flower cutter; the heating seat is internally provided with an electric heating wire, the side end of the heating seat is provided with a vertical edge part, the base plate and the flower knife are arranged on the side edge of the heating seat, and the flower knife is positioned between the base plate and the vertical edge part.

Preferably, the movable cutting device comprises a horizontal guide seat, a transverse moving plate, a screw rod, a speed reducing motor, a cutting module, a connecting seat, a side-push cylinder and a push plate; the transverse moving plate is movably connected to the horizontal guide seat, the screw rod is hinged to the horizontal guide seat, an output shaft of the speed reducing motor is fixed with the screw rod, and the screw rod and the transverse moving plate form spiral fit; the cutting module is arranged on the transverse moving plate, and the structure of the cutting module is the same as that of the fixed cutting device; the connecting seat is installed on the sideslip board, and side pushes away cylinder horizontal installation at the lower extreme of sideslip board, and the flexible end at the side push cylinder is installed to the push pedal.

The mask packaging bag feeding device and method adopting the technical scheme have the advantages that: the cylinder is arranged as the inner core, the flat packaging bag is naturally opened after passing through the cylinder, the bag opening efficiency is higher, the side edge of the cylinder is pressed tightly through the roller, the thick ring at the end part of the cylinder can prevent axial movement, and the four rectangular gaps on the cylinder leave spaces for clamping the packaging bag; the bag guiding assembly can prevent the packaging bag on the winding drum from loosening after clamping the packaging bag.

Adopt above-mentioned technical scheme's gauze mask to pile up baling equipment's advantage is:

1. the bag feeding device is provided with the cylinder as an inner core, the flat packaging bag is naturally opened after passing through the cylinder, the bag opening efficiency is higher, the side edge of the cylinder is pressed tightly through the roller, the thick ring at the end part of the cylinder can prevent axial movement, and the four rectangular gaps on the cylinder leave spaces for clamping the packaging bag; the bag guiding assembly can prevent the packaging bag on the winding drum from loosening after clamping the packaging bag.

2. The bagging device solves the problem that four corners of a packaging bag are clamped in a mode of arranging a plurality of bag clamping assemblies and compressing the outer wall of a rotary cylinder, the clamping is stable and reliable, the bag clamping assemblies are self-adaptively kept clamped through springs, power is not needed in the process of pulling out a bagging, and the bag clamping assemblies are driven to be opened only through jacking assemblies at stations at two ends; press from both sides the bag subassembly and can rotate through rotatory subassembly, realize pressing from both sides the unloading of the waste material that the bag subassembly was cliied, the convenient high efficiency of pivoted mode can effectively prevent to press from both sides bag subassembly department and block up.

Drawings

FIG. 1 is a block diagram of an embodiment of the present invention.

Fig. 2 is an exploded view of the bag feeding device.

Fig. 3 is a structural view of a fixed cutting device and a movable cutting device.

Fig. 4 is a block diagram of the cutter assembly.

Fig. 5 is a structural view of the lower supporting device.

Fig. 6 is a structural view of the bagging apparatus.

FIG. 7 is a block diagram of the rotation assembly and the bag clamping assembly.

Fig. 8 is an exploded view of the bag holder assembly.

Fig. 9 is an exploded view of the second knock member.

Fig. 10 is a schematic view of a mask packaging bag.

Detailed Description

As shown in fig. 1, a mask stacking and packaging device comprises a section bar frame 1, a bag feeding device 2, a fixed cutting device 3, a movable cutting device 4, a lower supporting device 5 and a bag sleeving device 6, wherein the bag feeding device 2, the fixed cutting device 3, the movable cutting device 4, the lower supporting device 5 and the bag sleeving device 6 are arranged on the section bar frame 1; the bag feeding device 2 horizontally corresponds to the bag sleeving device 6, the fixed cutting device 3 is positioned at the discharge end of the bag feeding device 2, the movable cutting device 4 is positioned above the bag feeding device 2, and the lower supporting device 5 is positioned below the bag sleeving device 6.

The bag feeding device 2 is used for feeding out the packaging bags; the fixed cutting device 3 is used for cutting and heat-sealing the packaging bag, and the movable cutting device 4 is used for cutting, heat-sealing and pushing the cup; the lower supporting device 5 is used for supporting the packaged cup and discharging; the bagging device 6 is used for coating the stacked cups with packaging bags. The bag feeding device 2 is a mask packaging bag feeding device.

As shown in fig. 2, a mask packing bag feeding device includes a winding drum 21, a winding roller 22, a pressing assembly 23, a fixing plate 24, a bag guiding assembly 25, side pressing plates 26, a bottom pressing plate 27 and a cylinder 28; a packaging bag is wound on the winding drum 21, the winding drum 21 is hinged on the section bar frame, and the winding roller 22 is positioned at the leading-out end of the packaging bag on the winding drum 21; the pressing assembly 23 is installed on the section bar frame, the pressing assembly 23 comprises a movable pressing roller 231, a fixed pressing roller 232 and a pressing cylinder 233, the pressing cylinder 233 is positioned at two ends of the movable pressing roller 231, a rotating shaft of the movable pressing roller 231 is connected with a telescopic end of the pressing cylinder 233, the side edge of the fixed pressing roller 232 is movably hinged, and the movable pressing roller 231 corresponds to the fixed pressing roller 232; the bag guiding assembly 25 is connected to the fixed plate 24, two side pressing plates 26 are provided, the bottom pressing plate 27 is positioned in front of the two side pressing plates 26, the side pressing plates 26 and the bottom pressing plate 27 are both fixedly arranged on the fixed plate 24, and rollers are arranged on the side pressing plates 26 and the bottom pressing plate 27; the cylinder 28 is positioned between the two side pressing plates 26 and above the bottom pressing plate 27, and the side wall of the cylinder 28 is in contact with the roller; one end of the cylinder 28 is provided with four rectangular notches, and the other end of the cylinder 28 is provided with a thick ring which corresponds to the roller at the end part of the side pressing plate 26; the bag guiding assembly 25 comprises a pulling cylinder 251, a fixing frame 252, a pressing plate 253 and a pressing cylinder 254, wherein the fixing frame 252 is movably connected to the fixing plate 24 through a sliding rail, the pulling cylinder 251 is installed on the lower end surface of the fixing plate 24, the telescopic end of the pulling cylinder 251 is connected with the fixing frame 252, the pressing cylinder 254 is installed at the upper end of the fixing frame 252, the pressing plate 253 is installed at the telescopic end of the pressing cylinder 254, and the lower end of the pressing plate 253 corresponds to the horizontal transverse part of the fixing frame 252. The winding rollers 22 are provided with a plurality of winding rollers, two ends of one winding roller 22 are connected to the section bar frame through linear bearings, and the winding rollers 22 tighten the packaging bag through gravity.

When the feeding device for the mask packaging bags works, the elongated packaging bags are wound on the winding drum 21, enter the pressing assembly 23 after passing through the winding roller 22, are opened after passing through the bag guiding assembly 25, and are sleeved outside the cylinder 28 and then are sent out; draw the material loading that bag subassembly 25 reciprocated and realize the wrapping bag, prevent when compressing tightly subassembly 23 and compress tightly that the wrapping bag of material loading end is not hard up.

A mask wrapping bag material feeding unit has solved the wrapping bag and opened the bag difficulty, the inefficient problem of material loading, through setting up the drum 28 as the inner core, the wrapping bag of the flat shape is opened naturally after the drum 28, the efficiency of opening the bag is higher, the side of the drum 28 is compressed tightly through the gyro wheel, the thick ring of the end of the drum 28 can prevent the axial displacement, four rectangular gaps on the drum 28 leave the space to facilitate gripping the wrapping bag; the bag guide assembly 25 can prevent the loose of the bag on the reel 21 after clamping the bag.

As shown in fig. 3-5, the fixed cutting device 3 includes a guide seat 31, a movable mounting plate 32, a cutter assembly 33 and a driving cylinder 34; the guide seat 31 is arranged on the section bar frame, the horizontal part of the guide seat 31 is a guide post, the movable mounting plate 32 is movably connected on the guide post, the two symmetrical movable mounting plates 32 are arranged, the cutter assemblies 33 are arranged on the movable mounting plate 32, the two cutter assemblies 33 are oppositely arranged, the driving air cylinder 34 is horizontally arranged on the guide seat 31, and the telescopic end of the driving air cylinder 34 is connected with the movable mounting plate 32; the cutter assembly 33 comprises a heating seat 331, a backing plate 332 and a flower cutter 333; the heating base 331 is provided with an electric heating wire inside, the side end of the heating base 331 is provided with a vertical edge portion 334, the backing plate 332 and the flower knife 333 are installed on the side edge of the heating base 331, and the flower knife 333 is located between the backing plate 332 and the vertical edge portion 334.

The movable cutting device 4 comprises a horizontal guide seat 41, a transverse moving plate 42, a screw rod 43, a speed reducing motor 44, a cutting module 45, a connecting seat 46, a side pushing cylinder 47 and a pushing plate 48; the traverse plate 42 is movably connected to the horizontal guide seat 41, the screw 43 is hinged to the horizontal guide seat 41, an output shaft of the speed reducing motor 44 is fixed with the screw 43, and the screw 43 and the traverse plate 42 form spiral fit; the cutting module 45 is arranged on the transverse moving plate 42, and the cutting module 45 has the same structure as the fixed cutting device 3; the connecting seat 46 is arranged on the transverse moving plate 42, the side pushing cylinder 47 is horizontally arranged at the lower end of the transverse moving plate 42, and the push plate 48 is arranged at the telescopic end of the side pushing cylinder 47.

When the movable cutting device 4 works, the speed reducing motor 44 drives the screw rod 43 to rotate, so that the transverse moving plate 42 moves, the cutter assemblies of the cutting module 45 approach each other, and the cutting and the heat sealing of the packaging bag are realized; the side-push cylinder 47 drives the push plate 48 to block the end of the cup, so that the mask is prevented from moving during packaging.

The lower supporting device 5 comprises a jacking cylinder 51, a lifting seat 52, a supporting plate 53, a side kicking cylinder 54, a kicking block 55, a supporting cylinder 56 and a retaining plate 57; jacking cylinder 51 is fixed to be set up on the section bar frame, the flexible end at jacking cylinder 51 is installed to lifting seat 52, layer board 53 is installed in lifting seat 52 upper end, layer board 53 is provided with certain inclination, cylinder 54 horizontal installation is played to the side on lifting seat 52, it installs the flexible end at cylinder 54 is played to the side to play piece 55, it is triangular prism shape to play piece 55, support cylinder 56 and install the top at the section bar frame, retaining plate 57 is concave arc, retaining plate 57 is installed and is being supported the flexible end of cylinder 56, retaining plate 57 corresponds layer board 53 from the top.

When the lower supporting device 5 works, the jacking cylinder 51 drives the supporting plate 53 to ascend, so that the supporting plate 53 supports the packaged mask, the rear retaining plate 57 descends to prevent the mask from rolling, after heat sealing is completed, the retaining plate 57 moves upwards, then the side kicking cylinder 54 drives the kicking block 55 to move towards the side, the mask is pushed from the side, and blanking is performed.

As shown in fig. 6, the bagging device 6 comprises a moving driving assembly 61, a moving platform 62, a folding plate 63, a rotating assembly 64, a bag clamping assembly 65, a first jacking assembly 66 and a second jacking assembly 67; the lower end of the moving platform 62 is movably connected to the profile frame through a slide rail, the moving driving component 61 is positioned below the moving platform 62, and the moving driving component 61 drives the moving platform 62 to move; the two folding plates 63 are symmetrically arranged, a space with a V-shaped section is formed between the two folding plates 63, and the mask is just placed in the space; the rotating assembly 64 is arranged on the moving platform 62, the rotating assembly 64 is arranged at the end part of the folding plate 63, the bag clamping assembly 65 is arranged on the side end surface of the rotating assembly 64, the first pushing assembly 66 is connected to the rotating assembly 64, and the first pushing assembly 66 corresponds to the bag clamping assembly 65; a second jacking assembly 67 is mounted on the section bar frame, the second jacking assembly 67 corresponding to the removed bag clamping assembly 65. The bag clamping assembly 65 is used for clamping a packaging bag, the rotating assembly 64 is used for integrally rotating, the first pushing assembly 66 is used for opening the bag clamping assembly 65, and the second pushing assembly 67 is used for clamping the bag clamping assembly 65.

The moving driving assembly 61 comprises a stepping motor 611, a synchronous belt 612, a synchronous wheel 613 and a belt clamping block 614; two synchronizing wheels 613 are arranged, one synchronizing wheel 613 is arranged at the rotating end of the stepping motor 611, the other synchronizing wheel 613 is hinged on the profile frame, the synchronous belt 612 is wound on the two synchronizing wheels 613, the belt clamping block 614 is fixed on the synchronous belt 612, and the belt clamping block 614 is connected with the moving platform 62.

The rotating assembly 64 comprises a rotating cylinder 641, a vertical bearing 642, a large gear 643, a small gear 644 and a rotating motor 645, the rotating cylinder 641 is hollow inside, the rotating cylinder 641 is rotatably connected to the moving platform 62 through the vertical bearing 642, the large gear 643 is fixedly arranged on the rotating cylinder 641, the rotating motor 645 is arranged on the moving platform 62, the small gear 644 is arranged at the rotating end of the rotating motor 645, and the small gear 644 is meshed with the large gear 643; the outer end of the rotary cylinder 641 is provided with an installation ring 646, the bag clamping assemblies 65 are uniformly distributed on the installation ring 646, and the bag clamping assemblies 65 correspond to the outer wall of the rotary cylinder 641.

The bag clamping assembly 65 comprises a flap 651, a hold down 652, a guide pin 653, a spring 654 and a socket 655; the folded plate 651 is fixedly arranged, a central hole is formed in the pressing block 652 and hinged to the folded plate 651, and the side 656 of the pressing block 652 is a pressing part; the sleeve seat 655 is hinged on the folded plate 651, a cylindrical hole is arranged on the sleeve seat 655, one end of the guide pin 653 is hinged on the pressing block 652, the other end of the guide pin 653 and the sleeve seat 655 form a moving pair connection, and the spring 654 is sleeved outside the guide pin 653.

The first jacking assembly 66 comprises a mounting frame 661, a driving rod 662, a first pressing spring 663 and a jacking cylinder 664; the driving rod 662 is installed on the installation frame 661, the driving rod 662 is movably matched on the installation ring 646, the end part of the driving rod 662 corresponds to the side surface of the sleeve seat 655, the first compression spring 663 is sleeved outside the driving rod 662, the jacking cylinder 664 is installed on the moving platform 62, the two sides of the installation frame 661 are provided with convex plates 665, and the telescopic end of the jacking cylinder 664 corresponds to the convex plates 665.

The second jacking assembly 67 comprises a support 671, a second compression spring 672 and a ball stud 673, the support 671 is fixed on the section bar frame, two ends of the ball stud 673 are thick, the middle of the ball stud 673 is matched with the support 671, and the second compression spring 672 is sleeved on the ball stud 673.

When the bagging device 6 works, firstly, the stacked mask is placed between the folding plates 63, then the driving assembly 61 is moved to drive the moving platform 62 to move out, when the bag clamping assembly 65 is pushed onto the second pushing assembly 67, the bag clamping assembly 65 is far away from the rotating cylinder 641, and at the moment, the packaging bag is clamped; then remove drive assembly 61 and pull out the wrapping bag, the gauze mask tip withstands simultaneously, when the gauze mask is totally wrapped the back, cuts the heat-seal, and then first top moves subassembly 66 and will press from both sides a bag subassembly 65 and open, and rotating assembly 64 rotates simultaneously, and the wrapping bag rim charge one end after cutting is cliied, and the other end is when twisting into the book, makes the wrapping bag rim charge of cliping break away from pressing from both sides a bag subassembly 65.

The bagging device 6 solves the problems that the packaging tape is light in weight and is difficult to naturally fall off after being clamped, pulled out and cut off; the problem of difficult clamping of the packaging bag is that four corners of the packaging bag are clamped in a mode of pressing the packaging bag by arranging a plurality of bag clamping assemblies 65 and the outer wall of the rotary cylinder 641, the clamping is stable and reliable, the bag clamping assemblies 65 are self-adaptively kept clamped through springs, power is not needed in the bag sleeving and pulling-out process, and the bag clamping assemblies 65 are driven to be opened only through pushing assemblies at stations at two ends; bag clamping assembly 65 can rotate through rotating assembly 64, realizes the unloading of the waste material that bag clamping assembly 65 cliied, and the convenient high efficiency of pivoted mode can effectively prevent bag clamping assembly 65 department and block up.

A mask packaging method comprises the following steps of:

s1 feeding of packaging bags: the bag feeding device 2 feeds out the packaging bag and opens the packaging bag;

s2 packaging bags: the mask is placed in the bagging device 6, the packaging bag is pulled out, and the packaging bag is sleeved outside the mask;

s3 sealing and cutting: the fixed cutting device 3 and the movable cutting device 4 cut and heat seal the two ends of the mask sleeved with the packaging bag;

s4 blanking: the packaged mask falls into the lower support device 5 to realize blanking.

Claims (10)

1. A feeding device for mask packaging bags is characterized by comprising a winding drum (21), a winding roller (22), a pressing assembly (23), a fixing plate (24), a bag guiding assembly (25), a side pressing plate (26), a bottom pressing plate (27) and a cylinder (28); a packaging bag is wound on the winding drum (21), the winding drum (21) is hinged on the section bar frame, and the winding roller (22) is positioned at the leading-out end of the packaging bag on the winding drum (21); the pressing assemblies (23) are mounted on the section bar frame, the bag guiding assemblies (25) are connected to the fixing plate (24), two side pressing plates (26) are arranged, the bottom pressing plate (27) is positioned in front of the two side pressing plates (26), the side pressing plates (26) and the bottom pressing plate (27) are both fixedly mounted on the fixing plate (24), and rollers are arranged on the side pressing plates (26) and the bottom pressing plate (27); the cylinder (28) is positioned between the two side pressing plates (26) and above the bottom pressing plate (27), and the side wall of the cylinder (28) is in contact with the roller; one end of the cylinder (28) is provided with four rectangular notches, and the other end of the cylinder (28) is provided with a thick ring which corresponds to the roller at the end part of the side pressing plate (26).

2. The feeding device for the mask packaging bags according to claim 1, wherein the pressing assembly (23) comprises a movable pressing roller (231), a fixed pressing roller (232) and a pressing cylinder (233), the pressing cylinder (233) is located at two ends of the movable pressing roller (231), a rotating shaft of the movable pressing roller (231) is connected with a telescopic end of the pressing cylinder (233), the side edge of the fixed pressing roller (232) is movably hinged, and the movable pressing roller (231) corresponds to the fixed pressing roller (232).

3. The mask packaging bag feeding device as claimed in claim 1, wherein the bag guiding assembly (25) comprises a pulling cylinder (251), a fixing frame (252), a pressing plate (253) and a pressing cylinder (254), the fixing frame (252) is movably connected to the fixing plate (24) through a sliding rail, the pulling cylinder (251) is installed on the lower end face of the fixing plate (24), the telescopic end of the pulling cylinder (251) is connected with the fixing frame (252), the pressing cylinder (254) is installed at the upper end of the fixing frame (252), the pressing plate (253) is installed at the telescopic end of the pressing cylinder (254), and the lower end of the pressing plate (253) corresponds to the horizontal transverse portion of the fixing frame (252).

4. A feeding device for mask packaging bags according to claim 1, characterized in that the winding rollers (22) are provided in plurality, both ends of one winding roller (22) are connected to the profile frame through linear bearings, and the winding roller (22) tensions the packaging bag through gravity.

5. A pod feeder as claimed in claim 1, wherein the rollers are provided in a plurality, the rollers being arranged side by side with the rollers being arranged radially of the drum (28).

6. A feeding method for mask packaging bags is characterized in that elongated packaging bags are wound on a winding drum (21), the packaging bags enter a pressing assembly (23) after passing through a winding roller (22), are opened after passing through a bag guiding assembly (25), and are sleeved on the outer side of a cylinder (28) and then are sent out; draw bag subassembly (25) to come and go the pulling and realize the material loading of wrapping bag, compress tightly the wrapping bag that prevents the material loading end when subassembly (23) compresses tightly and become flexible.

7. A mask stacking and packaging device is characterized by comprising a section bar frame (1), and a bag feeding device (2), a fixed cutting device (3), a movable cutting device (4), a lower supporting device (5) and a bag sleeving device (6) which are arranged on the section bar frame (1); the bag feeding device (2) horizontally corresponds to the bag sleeving device (6), the fixed cutting device (3) is positioned at the discharge end of the bag feeding device (2), the movable cutting device (4) is positioned above the bag feeding device (2), and the lower supporting device (5) is positioned below the bag sleeving device (6); the above-mentioned bag feeding device (2) is a mask packaging bag feeding device according to any one of claims 1 to 5.

8. A mask stacking and packing apparatus according to claim 6, wherein the bag feeding device (2) is adapted to feed out the packing bags; the fixed cutting device (3) is used for cutting and heat-sealing the packaging bag, and the movable cutting device (4) is used for cutting, heat-sealing and pushing the cup; the lower supporting device (5) is used for supporting the packaged cup and discharging; the bagging device (6) is used for coating a packaging bag on the outer sleeve of the stacked cups.

9. A mask stacking and packing apparatus according to claim 6, wherein the fixed cutting device (3) comprises a guide seat (31), a movable mounting plate (32), a cutter assembly (33) and a driving cylinder (34); the guide seat (31) is arranged on the section bar frame, the horizontal part of the guide seat (31) is a guide column, the movable mounting plate (32) is movably connected to the guide column, the two symmetrical movable mounting plates (32) are arranged, the cutter assemblies (33) are arranged on the movable mounting plates (32), the two cutter assemblies (33) are arranged oppositely, the driving cylinder (34) is horizontally arranged on the guide seat (31), and the telescopic end of the driving cylinder (34) is connected with the movable mounting plates (32); the cutter component (33) comprises a heating seat (331), a backing plate (332) and a flower cutter (333); the heating seat (331) is internally provided with an electric heating wire, the side end of the heating seat (331) is provided with a vertical edge part (334), the base plate (332) and the flower knife (333) are arranged on the side edge of the heating seat (331), and the flower knife (333) is positioned between the base plate (332) and the vertical edge part (334).

10. A mask stacking and packing apparatus according to claim 6, wherein the movable cutting device (4) comprises a horizontal guide seat (41), a traverse plate (42), a lead screw (43), a speed reducing motor (44), a cutting module (45), a connecting seat (46), a side pushing cylinder (47) and a push plate (48); the transverse moving plate (42) is movably connected to the horizontal guide seat (41), the lead screw (43) is hinged to the horizontal guide seat (41), an output shaft of the speed reducing motor (44) is fixed with the lead screw (43), and the lead screw (43) is in spiral fit with the transverse moving plate (42); the cutting module (45) is arranged on the transverse moving plate (42), and the structure of the cutting module (45) is the same as that of the fixed cutting device (3); the connecting seat (46) is arranged on the transverse moving plate (42), the side pushing cylinder (47) is horizontally arranged at the lower end of the transverse moving plate (42), and the push plate (48) is arranged at the telescopic end of the side pushing cylinder (47).

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