CN213767451U

CN213767451U - Production line for paper angle bead of paper flat plate

Info

Publication number: CN213767451U
Application number: CN202022335508.0U
Authority: CN
Inventors: 陈燕谷; 陈盘福; 邵胜杰; 吴方如
Original assignee: Wuxi Happy Packaging Products Co ltd
Current assignee: Wuxi Happy Packaging Products Co ltd
Priority date: 2020-10-19
Filing date: 2020-10-19
Publication date: 2021-07-23
Anticipated expiration: 2030-10-19

Abstract

The utility model provides a dull and stereotyped paper angle bead production line, including rack-mounted scroll pneumatic feeding mechanism, rubber coating scraping mechanism, the forming mechanism that bordures, roll forming mechanism and shutdown mechanism in proper order, rubber coating scraping mechanism connects glue solution circulation conveying mechanism and top and is equipped with purification mechanism, the external glue solution of glue solution circulation conveying mechanism supplements the mechanism, the scroll pneumatic feeding mechanism roll forming mechanism with cylinder in the shutdown mechanism is the external cylinder mechanism of transporting gas all. Through the pneumatic loading mechanism of scroll, rubber coating frictioning mechanism, the forming mechanism that bordures, roll forming mechanism and the shutdown mechanism of installing in proper order, realized the material loading of scroll, rubber coating, the shaping of borduring and cut off, accomplished the production of paper flat paper angle bead, realized high-efficient, high quality, environmental protection, the laborsaving production of paper flat paper angle bead.

Description

Production line for paper angle bead of paper flat plate

Technical Field

The utility model relates to a dull and stereotyped paper angle bead production line.

Background

The paper plate and paper corner protector is made up by using bobbin paper and kraft paper through the processes of gluing, forming and pressing, can be substituted for wood material, can be recovered and reused, and is a green packaging material. The product can be used for packing goods to improve strength.

In the production of the prior art, the corresponding production equipment has many design defects, for example, the raw material paper tape discharging roller is fixed more complexly, the raw material paper tape is difficult to feed, the labor consumption is high, the glue scraping mechanism is troublesome to adjust when the glue solution is unevenly coated, the fluidity of the glue solution in winter is poor, the glue solution supplement is more complicated, the production environment is severe, the edge covering effect of a semi-finished product paper tape is poor, the glue solution connection quality is poor, the paper flat plate or the paper angle bead can only be correspondingly produced, the equipment applicability is poor, the air flow transmission of cylinders at each station is unstable, the production continuity is influenced, and the like. The defects result in lower production efficiency, higher labor intensity and severe working environment of the prior art paper flat plate and the paper corner protector, and cannot meet the increasing production requirements.

SUMMERY OF THE UTILITY MODEL

The utility model provides a dull and stereotyped paper angle bead production line, its purpose aims at overcoming the above-mentioned not enough that prior art exists, realizes that dull and stereotyped paper angle bead is high-efficient, high quality, environmental protection, laborsaving production.

The technical solution of the utility model is as follows:

the utility model provides a dull and stereotyped paper angle bead production line, is including installing in proper order in the frame scroll pneumatic feeding mechanism, rubber coating frictioning mechanism, the forming mechanism that bordures, roll-forming mechanism and shutdown mechanism, rubber coating frictioning mechanism connects glue solution circulation conveying mechanism and the top is equipped with purification mechanism, the external glue solution replenishing mechanism of glue solution circulation conveying mechanism, scroll pneumatic feeding mechanism roll-forming mechanism with the cylinder in the shutdown mechanism is all external cylinder gas transmission mechanism.

Preferably, the paper roll pneumatic feeding mechanism comprises a plurality of paper roll pneumatic feeding units which are adjacently arranged end to end, each paper roll pneumatic feeding unit comprises a paper tape discharging roller mechanism and an auxiliary roller, the auxiliary roller is vertically arranged on one side surface, close to the gluing and glue scraping mechanism, of two parallel stand columns, the bottoms of the two stand columns are connected with a bottom plate, rotating seats are arranged on two sides of each stand column at the bottom of the auxiliary roller, a rotating shaft is rotatably connected between the rotating seats, two ends of the rotating shaft penetrate through the rotating seats on two sides and are connected with the bottom ends of lifting connecting rods on two sides, the top ends of the lifting connecting rods are connected with the paper tape discharging roller mechanism parallel to the auxiliary roller, a paper tape roll is sleeved on the discharging roller mechanism, the top surfaces of the middle parts of the lifting connecting rods on two sides are respectively connected with connecting plates, connecting columns are connected between the connecting plates on two sides, a cylinder mounting seat is arranged on the bottom plate, and a lifting cylinder is arranged on the cylinder mounting seat, the end part of the output end of the lifting cylinder is perpendicular to the middle of the connecting column and is rotatably connected with the connecting column.

Preferably, paper tape blowing roller mechanism includes that the cross section is oval-shaped blowing roller and the cross section is the circular shape spacing pipe, spacing pipe internal diameter equals the length of the oval lateral surface major axis of blowing roller, the blowing roller is connected perpendicularly on two parallel lifting connecting rod tops, blowing roller one end extends to one side lifting connecting rod outside, the paper tape rolls up to rotate to be connected on blowing roller is located lifting connecting rod outside part.

Preferably, rubber coating frictioning mechanism is including the frictioning mechanism, rubber coating mechanism and the rubber coating feed mechanism that set gradually, rubber coating feed mechanism is close to scroll pneumatic feed mechanism, kraft paper delivery roll mechanism is established to rubber coating mechanism top.

Preferably, the glue solution circulating and conveying mechanism comprises a heatable glue solution box mechanism and a top glue box, wherein the heatable glue solution box mechanism is connected with the top glue box through a glue applying pipe with a pump, the top glue box is connected with a glue discharging table of the glue applying mechanism through a glue discharging pipe, the bottom of the glue receiving table of the glue applying mechanism is connected with the heatable glue solution box mechanism through a glue discharging pipe, and the heatable glue solution box mechanism is externally connected with a glue solution supplementing mechanism.

Preferably, purification mechanism is including setting up the suction hood of scraping gluey mechanism top at the rubber coating and setting up the suction hood in the station top of polishing, and is a plurality of the suction hood of scraping gluey mechanism top of rubber coating is respectively through one the suction branch union coupling is the same person in charge of breathing in, the person in charge of breathing in is connected UV light oxygen catalysis exhaust-gas treatment equipment, and a plurality of suction hoods are respectively through one dust absorption branch union coupling is the same dust absorption person in charge, the dust absorption is responsible for and is connected the sack cleaner, the blast pipe is also connected to the sack cleaner.

The utility model has the advantages that: through the pneumatic loading mechanism of scroll, rubber coating frictioning mechanism, the forming mechanism that bordures, roll forming mechanism and the shutdown mechanism of installing in proper order, realized the material loading of scroll, rubber coating, the shaping of borduring and cut off, accomplished the production of paper flat paper angle bead, realized high-efficient, high quality, environmental protection, the laborsaving production of paper flat paper angle bead.

Drawings

Fig. 1 is a schematic structural diagram of the paper corner protector production line of the paper flat plate of the present invention.

Fig. 2 is a schematic structural view of the paper roll pneumatic feeding mechanism in fig. 1.

Fig. 3 is a schematic structural diagram of the glue spreading and scraping mechanism in fig. 1.

Fig. 4 is a schematic structural view of the hemming molding mechanism in fig. 1.

In the figure, 1 is a frame,

2 is a paper tape discharging roller mechanism, 201 is a discharging roller, 202 is a limit circular tube,

3 is a paper roll pneumatic feeding mechanism, 301 is a vertical column, 302 is a bottom plate, 303 is a rotating seat, 304 is a rotating shaft, 305 is a lifting connecting rod, 306 is a connecting column, 307 is a connecting plate, 308 is a cylinder mounting seat, 309 is a lifting cylinder, 310 is an auxiliary roller,

4 a glue spreading and scraping mechanism,

41 is a glue scraping mechanism, 411 is a glue scraping roller bracket, 412 is a mounting clamping groove, 413 is a glue scraping roller, 42 is a straight groove, 42 is a glue coating feeding mechanism, 421 is a feeding bracket, 422 is a feeding auxiliary roller, 43 is a glue coating mechanism, 431 is a glue outlet table, 433 is a glue coating plate, 435 is a glue receiving table, 44 is a kraft paper conveying roller mechanism, 6 is a glue solution circulating conveying mechanism, 63 is a glue coating pipe, 7 is a glue solution supplementing mechanism, 71 is a glue solution temporary storage box, 79 is a glue solution replenishing pipe, 8 is a purifying mechanism, 81 is an air suction cover, 82 is an air suction branch pipe, 83 is an air suction main pipe, 84 is a UV photo-oxygen catalytic waste gas treatment device, 85 is an air discharge pipe, 8 is an air discharge fan, 9 is an edge covering forming mechanism, 91 is a kraft paper tape auxiliary roller, 92 is a bobbin paper tape auxiliary roller, 93 is an edge covering wheel mechanism, 931 is an installation plate, 932 is an L-shaped bracket, 933 is a U-shaped installation frame, 934 is an H-shaped wheel, and 11 is a cutting mechanism.

Detailed Description

The present invention will be described in further detail with reference to examples and embodiments.

As shown in fig. 1, the structure of the paper flat paper corner protector production line includes a paper roll pneumatic feeding mechanism 3, a glue coating and scraping mechanism 4, an edge covering and forming mechanism 9, a roll forming mechanism and a cutting mechanism 11 which are sequentially installed on a frame 1, the glue coating and scraping mechanism 4 is connected with a glue solution circulating and conveying mechanism 6, a purifying mechanism 8 is arranged above the glue solution circulating and conveying mechanism 6, the glue solution circulating and conveying mechanism 6 is externally connected with a glue solution supplementing mechanism 7, and air cylinders in the paper roll pneumatic feeding mechanism 3, the roll forming mechanism and the cutting mechanism 11 are externally connected with an air cylinder air conveying mechanism.

The multi-strand paper tape is fed by the paper roll pneumatic feeding mechanism 3, is glued and scraped by the gluing and scraping mechanism 4, is bonded and formed in an edge covering forming mechanism 9, is cut at the cutting mechanism 11 after being rolled and formed by the rolling and forming mechanism, and is output as a paper flat plate or a paper corner protector finished product.

As shown in fig. 2, the paper roll pneumatic feeding mechanism 3 includes a plurality of paper roll pneumatic feeding units arranged end to end, the paper roll pneumatic feeding units include a paper tape discharging roller mechanism 2 and an auxiliary roller 310, the auxiliary roller 310 is vertically arranged on one side surface of two parallel upright posts 301 close to the gluing and glue scraping mechanism 4, the bottoms of the two upright posts 301 are connected with a bottom plate 302, rotating seats 303 are arranged on two sides of the upright post 301 at the bottom of the auxiliary roller 310, a rotating shaft 304 is rotatably connected between the rotating seats 303, two ends of the rotating shaft 304 penetrate through the rotating seats 303 and are connected with the bottom ends of lifting connecting rods 305 at two sides, the top end of the lifting connecting rod 305 is connected with the paper tape discharging roller mechanism 2 parallel to the auxiliary roller 310, a paper tape roll is sleeved on the paper tape discharging roller mechanism 2, the top surfaces of the middle parts of the lifting connecting rods 305 at two sides are respectively connected with connecting plates 307, a connecting post 306 is connected between the connecting plates 307 at two sides, a cylinder mounting seat 308 is arranged on the bottom plate 302, the cylinder mounting base 308 is provided with a lifting cylinder 309, and the end part of the output end of the lifting cylinder 309 is perpendicular to and rotatably connected with the middle part of the connecting column 306.

When the paper tape roll is installed, the lifting cylinder 309 is located in a contraction state, the position of the paper tape discharging roller mechanism 2 is low, the paper tape roll can be sleeved in a labor-saving manner without manually lifting, after the paper tape roll is fixed by the sleeve, the lifting cylinder 309 extends to push the connecting column 306, the lifting connecting rod 305 is pushed to ascend through the connecting plate 307, then the ascending of the paper tape discharging roller mechanism 2 is realized, and then the paper tape of the paper tape roll is pulled out to be output to a subsequent station after passing through the auxiliary roller 310.

As shown in fig. 3, the paper tape discharging roller mechanism 2 includes a discharging roller 201 with an oval cross section and a limiting circular tube 202 with a round cross section, the inner diameter of the limiting circular tube 202 is equal to the length of the major axis of the oval outer side surface of the discharging roller 201, the discharging roller 201 is vertically connected to the top ends of two parallel lifting connecting rods 305, one end of the discharging roller 201 extends to the outer side of the lifting connecting rod 305 on one side, a paper tape roll is rotatably connected to the outer side of the discharging roller 201 on the lifting connecting rod 305, in one embodiment, the discharging roller 201 on the outer side of the paper tape roll is sleeved with the limiting circular tube 202, a handle is arranged on the outer side of the limiting circular tube 202, a rivet extending to the inner side is arranged on the side of the limiting circular tube 202, and the limiting circular tube 202 is fixed by the rivet and the handle.

After placing the paper tape roll on blowing roller 201, in order to carry on spacingly to its outside, establish on blowing roller 201 with spacing pipe 202 cover, then rotate spacing pipe 202 through hand (hold) 204 for rivet 203 medial extremity blocks fixedly with blowing roller 201 lateral surface, realizes convenient spacing to the paper tape roll, when needing to be changed the paper tape roll, reversely breaks handle 204 off with the fingers and thumb and can lift off spacing pipe 202.

As shown in fig. 4, the gluing and scraping mechanism 4 includes a gluing mechanism 41, a gluing mechanism 43 and a gluing and feeding mechanism 42 which are arranged in sequence, the gluing and feeding mechanism 42 is close to the paper roll pneumatic feeding mechanism 3, and a kraft paper conveying roller mechanism 44 is arranged above the gluing mechanism 43.

Rubber coating feed mechanism 42 include both sides feeding support 421, a plurality of feeding assist roller 422 from top to bottom even parallel arrangement between both sides feeding support 421, both ends still are equipped with top assist roller and end assist roller respectively about between both sides feeding support 421.

Gluing mechanism 43 include from last to down the play that sets gradually glue platform 431, the spreading board 433 and connect gluey platform 435, go out to glue platform 431 and connect out the rubber pipe, a plurality of mutual spreading boards 433 set up and glue platform 431 below going out, from last to down glue platform 431 to the length of a spreading board 433 in the below increase in proper order by going out, in an embodiment, every spreading board 433 both sides are equipped with the side auxiliary roller respectively, it is close to bordure forming mechanism 9 one side and is equipped with well auxiliary roller to go out to glue platform 431, it also is equipped with end auxiliary roller near bordure forming mechanism 9 one side to connect gluey platform 435 bottom.

The glue scraping mechanism 41 comprises two glue scraping roller supports 411 on two sides, an installation clamping groove 412 extending up and down is formed in each glue scraping roller support 411, two ends of a plurality of glue scraping rollers 413 arranged in parallel are clamped in the installation clamping grooves 412, and two end faces of each glue scraping roller 413 are provided with a straight groove.

During gluing, the kraft paper tape is not glued, is conveyed by the preorder paper roll pneumatic feeding mechanism 3, is continuously conveyed to the subsequent station through the kraft paper conveying roller mechanism 44, generally, the bobbin paper tape of the uppermost layer and the bobbin paper tape of the lowermost layer are not glued, after being conveyed by the preorder paper roll pneumatic feeding mechanism 3, the bobbin paper tape of the uppermost layer is conveyed to the subsequent station through the top auxiliary roller and the middle auxiliary roller, and the bobbin paper tape of the lowermost layer is conveyed to the subsequent station through the bottom auxiliary rollers at two sides; during a plurality of layers of spool paper tape rubber coating in the middle, at first through corresponding auxiliary roller, then through the auxiliary roller of one side that corresponds, the glue on the rubber coating 433 is corresponding in the contact, glue is from going out the rubber coating pipe input to going out gluey platform 431, then flow through every layer of rubber coating 433 and the contact of spool paper tape in proper order, the spool paper tape is through behind the auxiliary roller of opposite side, carry to follow-up station after corresponding rubber scraping roller 413 frictioning, rubber scraping roller 413 can have the glue solution when using sometimes and solidify the condition of jam, only need use a word bottle opener, drive rubber scraping roller 413 by a word groove and rotate slightly, can make the glue solution smoothly scrape evenly, and reasonable in structural design, and is simple and easy to use.

As shown in fig. 4, the glue solution circulating and conveying mechanism 6 comprises a heatable glue solution box mechanism and a top glue box 62, wherein the heatable glue solution box mechanism is connected with the top glue box 62 through a glue applying pipe 63 with a pump, the top glue box 62 is connected with a glue discharging table 431 of the glue applying mechanism 43 through a glue discharging pipe, the bottom of a glue receiving table 435 of the glue applying mechanism 43 is connected with the heatable glue solution box mechanism through a glue discharging pipe 61, and the heatable glue solution box mechanism is externally connected with a glue solution supplementing mechanism 7.

The heatable glue solution box mechanism comprises a glue solution box body, a heating groove is arranged on the outer side of the glue solution box body, water is filled between the inner side of the heating groove and the outer wall of the glue solution box body, an electric heating rod is arranged at the bottom in the heating groove, heat preservation cotton is wrapped on the outer wall of the heating groove, the glue solution box body is connected with a top glue box 62 of the glue solution circulating and conveying mechanism 6 through a glue feeding pipe 63 with a pump 64, and the glue solution box body is further externally connected with a glue solution supplementing mechanism 7.

The glue solution is supplemented and input into the heatable glue solution box mechanism by the glue solution supplementing mechanism 7, then is pumped into the top glue box 62 through the glue feeding pipe 63, the glue solution in the top glue box 62 is input into the glue coating mechanism 43 through the glue discharging pipe for glue coating, and the glue solution flowing down during glue coating is received by the glue receiving table 435 of the glue coating mechanism 43 and then returns into the heatable glue solution box mechanism through the glue discharging pipe 61.

When the air temperature is lower, heatable glue solution case mechanism can heat the glue solution, guarantees rubber-coated quality stability, specifically is through setting up the water in the electrical heating stick heating tank in the heating tank of glue solution case body outside, heats this internal glue solution of glue solution case to set up the heat preservation cotton and keep warm.

The glue solution supplementing mechanism 7 comprises a glue solution temporary storage box 71, the glue solution temporary storage box 71 is connected with a glue solution box heating mechanism through a glue solution supplementing pipe 79, a cover body with a handle is arranged at the top of the glue solution temporary storage box 71, a glue solution transport box support 74 is arranged on the side surface of the glue solution temporary storage box 71, a glue solution transport box 75 with a reinforced net rack 76 at the outer side is arranged on the glue solution transport box support 74, an output valve port 77 at the bottom of the glue solution transport box 75 faces the top of the glue solution temporary storage box 71 and is slightly higher than the top surface of the glue solution temporary storage box 71, a U-shaped plate 78 is arranged on the reinforced net rack 76 below the output valve port 77, and the bottom end of the U-shaped plate 78 is tightly attached to the top of the glue solution temporary storage box 71.

When glue solution is supplemented, the glue solution transportation box 75 is directly transported (by a forklift or a hoisting device) to the glue solution transportation box bracket 74, the output valve port 77 is aligned above the glue solution temporary storage box 71, the cover body is opened by the handle, the glue solution in the glue solution transportation box 75 can be supplemented into the glue solution temporary storage box 71 by opening the output valve port 77, and the arrangement of the U-shaped plate 78 can reduce the outflow of the glue solution.

As shown in fig. 4, purification mechanism 8, its structure is including setting up the cover 81 of breathing in and setting up the suction hood in the station top of polishing above the gluey mechanism 4 is scraped in the rubber coating, the cover 81 of breathing in of a plurality of rubber coatings are scraped gluey mechanism 4 tops and are connected same main pipe 83 of breathing in through a branch pipe 82 of breathing in respectively, and the main pipe 83 of breathing in is connected UV light oxygen catalysis exhaust-gas treatment equipment 84, and exhaust pipe 85 is connected to UV light oxygen catalysis exhaust-gas treatment equipment 84, the suction hood structure with the cover of breathing in is similar, and in an embodiment, a plurality of suction hoods are connected same main pipe of dust absorption through a branch pipe respectively, and the dust absorption is responsible for connecting the sack cleaner, and the blast pipe is also connected to the sack cleaner.

Waste gas generated by each gluing and glue scraping mechanism 4 enters the air suction main pipe 83 through the dust suction cover 86 through the air suction branch pipe 82, is subjected to harmless treatment by the UV photo-oxygen catalysis waste gas treatment equipment 84 and then is discharged into the atmosphere from the exhaust pipe 85, and dust generated by the polishing station enters the air suction main pipe 88 through the dust suction cover 86 through the dust suction branch pipe 87 and is discharged into the atmosphere from the exhaust pipe 85 after being dedusted by the bag-type dust remover 89.

The edge covering forming mechanism 9, a plurality of edge covering wheel mechanisms 93 which are arranged relatively, the edge covering wheel mechanism 93 is close to the gluing and glue scraping mechanism 4 and is provided with a group of cowhide paper tape auxiliary rollers 91, a group of bobbin paper tape auxiliary rollers 92 are arranged below the cowhide paper tape auxiliary rollers 91, the edge covering wheel mechanism 93 comprises an L-shaped support 932 arranged on an installation plate 931, the upper end of the L-shaped support 932 is connected with a U-shaped installation frame 933, the U-shaped installation frame 933 is connected with an H-shaped wheel 934 horizontally arranged, and the L-shaped support 932 is detachably connected with the installation plate 931 through screws.

The bobbin paper tape and the kraft paper tape which are coated at the preorder station are respectively conveyed to the wrapping wheel mechanism 93 through the bobbin paper tape auxiliary roller 92 and the kraft paper tape auxiliary roller 91 for wrapping and forming, the kraft paper tape is folded and wrapped on the bobbin paper tape by the wrapping wheel mechanisms 93 which are arranged oppositely, the bobbin paper tape is simultaneously conveyed to the subsequent roll forming mechanism, and the L-shaped support 932 which is detachably connected with the mounting plate 931 can adjust the direction according to the actual production requirement.

Roll-in forming mechanism, including the roll-in forming unit that a plurality of set gradually, roll-in forming unit includes the mounting bracket, the lift cylinder is established at the mounting bracket top, lift cylinder output passes the mounting bracket top downwardly extending to the central upper portion of top pinch roller, go up the pinch roller both ends and pass through hub connection lift seat, lift seat and the lift groove sliding connection of mounting bracket side, spring coupling lift groove top is passed through at lift seat top, go up the pinch roller below and establish down the pinch roller, the mounting bracket of shaft coupling lift groove below is passed through at the pinch roller both ends down.

The paper slip preliminarily formed by the edge covering forming mechanism 9 is subjected to subsequent roll forming through a plurality of roll forming units according to production requirements, specifically, the paper slip is subjected to roll forming through an upper pressing wheel and a lower pressing wheel, and the distance between the upper pressing wheel and the lower pressing wheel can be controlled through a lifting cylinder according to production requirements.

Preferably, adjacent roll-in shaping unit before can be provided with heating forming mechanism, heating forming mechanism includes that both sides are connected with the mounting bracket place the board, it has the U-shaped groove to place the board center and open, and supplementary pinch roller is installed on the pinch roller axle, and the U-shaped inslot of board is placed in both sides to pinch roller axle both ends, and supplementary pinch roller below is established the block rubber, and the block rubber cross-section is isosceles triangle, triangular folded plate is connected to the block rubber both sides, and the block rubber interpolation is equipped with electric heating pipe.

When producing paper angle bead, can use the heating forming mechanism, place the board on placing through pinch roller shaft 1032 with supplementary pinch roller, accomplish heating forming mechanism's setting, paper angle bead strip is through triangular rubber piece and the combined action of supplementary pinch roller, cooperation roll-in shaping unit, stabilize roll-in shaping with paper angle bead strip and be the dog-ear, and accessible electric heating pipe heats the rubber piece, improve the stability that the glue bonds in the paper angle bead strip, improve the quality.

The cutting mechanism 11 is the same as the prior art and will not be described in more detail.

All the above components are prior art, and those skilled in the art can use any model and existing design that can implement their corresponding functions.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications and improvements can be made without departing from the inventive concept, and all of them belong to the protection scope of the present invention.

Claims

1. The utility model provides a dull and stereotyped paper angle bead production line which characterized in that: the automatic glue spreading and forming machine comprises a paper roll pneumatic feeding mechanism (3), a glue spreading and scraping mechanism (4), an edge covering and forming mechanism (9), a rolling and forming mechanism (10) and a cutting mechanism (11) which are sequentially installed on a rack (1), wherein the glue spreading and scraping mechanism (4) is connected with a glue solution circulating and conveying mechanism (6), a purifying mechanism (8) is arranged above the glue solution circulating and conveying mechanism (6), an external glue solution supplementing mechanism (7) is connected with the glue solution circulating and conveying mechanism (6), and the paper roll pneumatic feeding mechanism (3), the rolling and forming mechanism (10) and a cylinder in the cutting mechanism (11) are all externally connected with a cylinder gas conveying mechanism.

2. The paper corner protector production line of claim 1, wherein: the paper roll pneumatic feeding mechanism (3) comprises a plurality of paper roll pneumatic feeding units which are arranged end to end in an adjacent mode, each paper roll pneumatic feeding unit comprises a paper tape discharging roller mechanism (2) and an auxiliary roller (310), the auxiliary roller (310) is vertically arranged in two parallel stand columns (301) and is close to one side face of the glue coating and scraping mechanism (4), the bottoms of the stand columns (301) are connected with a bottom plate (302), rotating seats (303) are arranged on two sides of the stand columns (301) at the bottoms of the auxiliary rollers (310), a rotating shaft (304) is rotatably connected between the rotating seats (303), two ends of the rotating shaft (304) penetrate through the rotating seats (303) on two sides and are connected with the bottom ends of lifting connecting rods (305) on two sides, the top ends of the lifting connecting rods (305) are connected with the paper tape discharging roller mechanisms (2) parallel to the auxiliary rollers (310), and a paper roll coil is sleeved on the discharging roller (201) mechanism, two sides lift connecting rod (305) middle part top surface is connected with even board (307) respectively, both sides be connected with spliced pole (306) between even board (307), be equipped with cylinder mount pad (308) on bottom plate (302), be equipped with on cylinder mount pad (308) and promote cylinder (309), promote cylinder (309) output end portion and spliced pole (306) middle part perpendicular and rotate and be connected.

3. The paper corner protector production line of claim 2, wherein: paper tape blowing roller mechanism (2) are oval-shaped blowing roller (201) and the cross section is circular shape spacing pipe (202) including the cross section, spacing pipe (202) internal diameter equals the length of the oval lateral surface major axis of blowing roller (201), blowing roller (201) are connected perpendicularly on two parallel lifting connecting rod (305) tops, blowing roller (201) one end extends to one side lifting connecting rod (305) outside, the paper tape rolls up to rotate to be connected and is located lifting connecting rod (305) outside part in blowing roller (201).

4. The paper corner protector production line of claim 3, wherein: rubber coating is scraped gluey mechanism (4) and is including scraping gluey mechanism (41), rubber coating mechanism (43) and rubber coating feed mechanism (42) that set gradually, rubber coating feed mechanism (42) are close to scroll pneumatic feeding mechanism (3), kraft paper delivery roll mechanism (44) are established to rubber coating mechanism (43) top.

5. The paper corner protector production line of claim 4, wherein: the glue circulating and conveying mechanism (6) comprises a heatable glue box mechanism (5) and a top glue box (62), wherein the heatable glue box mechanism (5) is connected with the top glue box (62) through a glue feeding pipe (63) with a pump (64), the top glue box (62) is connected with a glue discharging table (431) of the glue coating mechanism (43) through a glue discharging pipe, the bottom of a glue receiving table (435) of the glue coating mechanism (43) is connected with the heatable glue box mechanism (5) through a lower glue pipe (61), and the heatable glue box mechanism (5) is externally connected with a glue supplementing mechanism (7).

6. The paper corner protector production line of claim 5, wherein: purification mechanism (8) are including setting up cover (81) of breathing in and setting up suction hood (86) in the station top of polishing scraping gluey mechanism (4) top at the rubber coating, and are a plurality of suction hood (81) of scraping gluey mechanism (4) top of rubber coating are connected same the person in charge (83) of breathing in through one branch pipe (82) of breathing in respectively, breathe in person in charge (83) and connect UV light oxygen catalysis exhaust-gas treatment equipment (84), and a plurality of suction hood (86) are connected same dust absorption person in charge (88) through one branch pipe (87) respectively, the dust absorption is responsible for (88) and is connected sack cleaner (89), blast pipe (85) is also connected in sack cleaner (89).