CN217136946U - Head-mounted mask production line - Google Patents

Abstract

The utility model discloses a wear-type gauze mask production line. The utility model provides a head-mounted mask production line can realize from cloth material loading, bridge of the nose strip assembly, cloth butt fusion impression appearance, the cover body fifty percent discount, below once cut the shaping, the ear area welding, gauze mask banding device, the complete shaping is cut to the finished product integration automatic completion of unloading to the secondary, to KN95 head-mounted breather valve gauze mask, weld the breather valve after cloth butt fusion impression appearance and before the cover body fifty percent discount, simplify breather valve welding position, and realize its automatic matching welding position and carry out the position adjustment before welding, bridge of the nose strip assembly structure has been simplified, improve shaping efficiency; the forming precision is improved by forming the upper part and the lower part of the mask respectively, and the forming device is particularly suitable for the automatic production of KN95 head-wearing breather valve masks.

Description

Head-mounted mask production line

Technical Field

The utility model relates to a technical field is made to the gauze mask, especially relates to a wear-type gauze mask production line that is particularly suitable for KN95 wear-type breather valve gauze mask.

Background

At present, the mask production industry lacks a production line which can integrate and automatically complete the head-wearing mask from cloth feeding, nose bridge strip assembling, cloth welding and impression appearance, mask body folding, lower one-time cutting and forming, ear band welding, mask edge sealing device and secondary cutting and complete forming to finished product discharging, and partial processes of the production processes are not integrated into one automatic production line, so that the production efficiency of the head-wearing mask is reduced, and the cost is improved; in addition, for the KN95 head-mounted breather valve mask, a breather valve welding device needs to be added in the above process to weld the breather valve on the cloth, but in the prior art, the breather valve is usually welded after the mask is folded in half and completely formed, so that the welding and positioning of the breather valve are difficult, and the production cost is increased; furthermore, the existing breather valve does not automatically adjust the direction before welding, so that the welding position of the breather valve and a mask needs manual assistance to the outside, the labor and the working hours are increased, and the cost is also increased; the traditional nose bridge strip has a complex assembly structure, so that the production cost is further increased; the traditional mask is formed by one-time cutting, and the upper part and the lower part of the mask are not formed respectively, so that the forming precision is reduced.

Therefore, the technical problem to be solved in the field is to provide a production line which can lead the head-mounted mask to be integrally and automatically completed from cloth feeding, nose bridge strip assembling, cloth welding and stamping appearance, mask body folding, lower one-time cutting and forming, ear band welding, mask edge sealing device, secondary cutting and complete forming to finished product discharging.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve lack among the above-mentioned prior art and to make wear-type gauze mask from cloth material loading, bridge of the nose strip assembly, cloth butt fusion impression appearance, cover body fifty percent discount, below once cut the technical problem of the production line that shaping, ear zone welding, gauze mask banding device, secondary cut the complete shaping and unload the automatic completion of integration to the finished product, provide a wear-type gauze mask production line that is particularly suitable for KN95 wear-type breather valve gauze mask.

For solving the above technical problem, the utility model discloses a technical scheme is:

the utility model provides a wear-type gauze mask production line, include: the production line frame, along the axial conveyor of the axial transport cloth of production line frame, arrange in proper order from the past backward along the direction of delivery of cloth:

the feeding device is used for placing the cloth on the conveying device;

the nose bridge strip assembling device is used for assembling the nose bridge strip on the cloth;

the cloth welding device is used for welding and impressing cloth into the plane shape of the mask;

the mask body folding device is used for folding the cloth into two symmetrical surfaces of the mask and vertically conveying the cloth;

the one-time cutting forming device is used for cutting the cloth once to form the lower part of the mask;

the ear band welding device is used for correspondingly welding the pair of ear bands on two sides of the mask respectively;

the mask edge sealing device is used for sealing edges of the mask;

the secondary cutting forming device is used for cutting the cloth for the second time so as to completely form the mask;

and the discharging device is used for discharging the formed mask from the conveying device.

Further, still include between cloth welding device and the cover body fifty percent discount device:

and the breather valve welding device is used for welding the breather valve on the cloth.

Further, still include: and the waste collecting device is arranged on one side of the one-time cutting and forming device.

Further, the nose bridge strip fitting device includes:

the nose bridge strip conveying mechanism is arranged on the production line rack and used for conveying the nose bridge strip to the cutting mechanism; the cutting mechanism is used for cutting the nose bridge strip into required length; and the feeding mechanism is used for conveying the nose bridge strip to the cloth.

Further, nose bridge strip conveying mechanism includes: the nose bridge strip can pass through the space between the guide wheels; and the cam is arranged on one side of the guide wheels and is used for driving the pair of guide wheels to rotate relatively, and the nose bridge strip synchronously penetrates between the pair of guide wheels and is conveyed to the cutting mechanism.

Further, the feeding mechanism includes:

the first driving mechanism is used for driving a rotating wheel to rotate;

the pushing mechanism arranged on one side of the cutting mechanism comprises a bracket arranged on the production line rack and a pushing block movably connected with the bracket;

one end of the eccentric connecting rod mechanism is eccentrically hinged with the rotating wheel, and the other end of the eccentric connecting rod mechanism is hinged with the push block;

the feeding mechanism drives the eccentric connecting rod mechanism to link the pushing mechanism through the rotating wheel, so that the pushing block is close to or far from the cutting mechanism to reciprocate, and the nose bridge strip is conveyed to the cloth or the feeding mechanism is reset correspondingly.

Further, the breather valve welding device includes:

the automatic breather valve feeding device comprises a breather valve welding head arranged on a production line rack, a material clamping mechanism arranged on one side of the welding head, a vibrating disc arranged on one side of the material clamping mechanism and used for arranging the breather valves in order and conveying the breather valves to the material clamping mechanism through a feeding channel, wherein the material clamping mechanism is used for carrying and installing the breather valves on breather valve installation positions of cloth, and the breather valves are welded with the cloth through the breather valve welding head.

Preferably, the breather valve welding apparatus further comprises:

the rotary unit and the correlation sensor are arranged on the material platform and used for bearing the breather valve conveyed from the feeding channel and driving the breather valve to rotate relative to the cloth through the autorotation of the breather valve until the correlation sensor senses that the posture of the breather valve relative to the cloth is matched with the installation position.

Further, the cloth fusion apparatus includes:

the welding device comprises a welding mounting frame and a vertical ultrasonic vibrator which are arranged on a production line rack, wherein the welding forming roller is horizontally and transversely arranged on the welding mounting frame;

the cover body fifty percent discount device includes:

the folding device comprises a folding platform arranged on a production line rack and a triangular folding plate arranged on the folding platform, wherein the triangular folding plate gradually extends upwards in an inclined manner from front to back; the material guiding roller is horizontally and transversely arranged in front of the triangular material folding plate, and the material distributing roller is vertically arranged behind the triangular material folding plate.

Further, the one-time cutting forming device comprises:

the mask cutting and mounting frame is provided with a cutter roller and a shim roller, wherein the cutter roller and the shim roller are vertically arranged, the shim roller is matched with the cutter roller, a cutter roller gear is arranged at the lower end of the cutter roller, a shim roller gear is arranged at the lower end of the shim roller, and the cutter roller gear is meshed with the shim roller gear and is driven by a mask cutting motor arranged on the mask cutting and mounting frame;

the ear band welding device includes:

the ear belt welding installation frame is arranged on the production line rack and comprises a base, a top plate arranged above the base and a plurality of stand columns vertically connected between the base and the top plate; the top plate is provided with an ear belt feeding mechanism and a cover body positioning frame, and a left ear belt welding mechanism and a right ear belt welding mechanism are correspondingly arranged on the two sides of the cover body positioning frame respectively; the base is provided with an ear band clamping and shearing mechanism and an ear band clamping and transferring mechanism.

Compared with the prior art, the utility model provides a head-mounted mask production line can realize from cloth material loading, the assembly of bridge of the nose strip, cloth butt fusion impression appearance, the cover body fifty percent discount, below once cut the shaping, the ear zone welding, gauze mask banding device, the complete shaping is unloaded the integration automatic completion to the finished product to the secondary cutting, to KN95 head-mounted breather valve gauze mask, weld the breather valve after cloth butt fusion impression appearance and before the cover body fifty percent discount, simplify breather valve welding position, and realize its automatic matching welding position and carry out the position adjustment before welding, simplified bridge of the nose strip assembly structure, improve shaping efficiency; the upper side and the lower side of the mask are respectively formed, so that the forming precision is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic view of an overall assembly structure of an embodiment of a head-mounted mask production line according to the present invention;

fig. 2 is a schematic structural view of a feeding device of an embodiment of a head-mounted mask production line of the present invention;

fig. 3 is a schematic front-end structure diagram of a head-mounted mask production line according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a first guiding device of an embodiment of a head-mounted mask production line according to the present invention;

fig. 5 is a schematic structural view of a nose bridge assembly device according to an embodiment of the head-mounted mask production line of the present invention;

fig. 6 is a schematic structural view of a cloth welding device according to an embodiment of the head-mounted mask production line of the present invention;

fig. 7 is a schematic structural view of a second guiding device of the head-mounted mask production line according to an embodiment of the present invention;

fig. 8 is a schematic structural view of a breather valve welding device according to an embodiment of the head-mounted mask production line of the present invention;

fig. 9 is a schematic structural view of a mask body folding device according to an embodiment of the head-mounted mask production line of the present invention;

fig. 10 is a schematic structural view of a one-time cutting and forming device according to an embodiment of the head-mounted mask production line of the present invention;

fig. 11 is a schematic structural view of an ear belt feeding mechanism device according to an embodiment of the head-mounted mask production line of the present invention;

fig. 12 is a schematic structural view of a left ear strap welding mechanism and a right ear strap welding mechanism of an embodiment of a head-mounted mask production line of the present invention;

fig. 13 is a schematic view of a first longitudinal screw structure of an embodiment of a head-mounted mask production line according to the present invention;

fig. 14 is a schematic structural view of an ear band clamping and shearing mechanism according to an embodiment of the head-mounted mask production line of the present invention;

fig. 15 is a first structural view of an ear band clamping and transferring mechanism according to an embodiment of the head-mounted mask production line of the present invention;

fig. 16 is a second structural view of an ear band clamping and transferring mechanism according to an embodiment of the head-mounted mask production line of the present invention;

fig. 17 is a schematic structural view of a mask edge banding device according to an embodiment of the head-mounted mask production line of the present invention.

Wherein, in the drawings, the reference numerals are mainly as follows:

1-a production line frame; 11-a conveying device; 111-a first conveying mechanism; 112-a second conveying mechanism; 2-a feeding device; 21-a first guiding means; 3-nose bridge assembly means; 31-a cutting mechanism; 32-nose bridge strip conveying mechanism; 321-a guide wheel mounting frame; 322-a guide wheel; 323-cam; 33-a feeding mechanism; 331-a rotating wheel; 332-a push block; 333-eccentric link mechanism; 4-a cloth welding device; 41-breather valve welding device; 411-a breather valve welding head; 412-a material clamping mechanism; 413-a vibrating disk; 414-material table; 42-a fusion mount; 43-welding and forming the embossing roller; 44-welding the horn; 45-a second guiding means; 451-a guide mount; 452-horizontal guide rollers; 453-a movable block; 454-a vertical screw; 455-a gear mount; 456-driving wheel; 457-driven wheel; 458-synchronizing gear; 5-the cover body is folded in half; 51-material folding platform; 52-triangular material folding plate; 53-a guide roll; 54-third guiding means; 6-a one-step cutting forming device; 61-a waste collection device; 62-cutting and mounting the mask; 63-cutter roll; 64-a shim roller; 7-ear strap welding means; 71-ear strap welding mount; 72-ear belt feeding mechanism; 73-cover positioning frame; 74-left ear strap welding mechanism; 75-right side ear band welding mechanism; 76-ear band clamping and shearing mechanism; 761-a first inclined slide; 762 — first longitudinal screw; 763 clamping and shearing the mounting seat; 764-a clamp; 765-cutting the belt; 77-ear belt clamping and transferring mechanism; 771-a second inclined slide; 772-a retractor; 78-a fourth guide means; 8-a mask edge sealing device; 81-edge sealing mounting rack; 82-edge sealing die; 83-transverse ultrasonic vibrator; 84-a drive module; 85-fifth guiding means; 86-secondary cutting and forming device; 9-a discharging device.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly understood, the principles and structures of the present invention are further described in detail below with reference to the accompanying drawings 1 to 17 and the embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, the utility model provides a head-mounted mask production line, including: production line frame 1, along the conveyor 11 of the axial transport cloth of production line frame 1, arrange in proper order from the past backward along the direction of delivery of cloth: the feeding device 2 is used for placing cloth on the conveying device 11; a first guide means 21 (not shown in fig. 1) for guiding the feeding means 11 to feed the cloth from the loading means 2 to the nose bridge assembly means 3; the nose bridge strip assembling device 3 is used for assembling the nose bridge strip on the cloth; the cloth welding device 4 is used for welding and impressing cloth into the plane shape of the mask; the front section of the head-wearing mask production line is formed.

A second guiding device 45 for guiding the conveying device 11 to convey the cloth from the cloth welding device 4 to the breather valve welding device 41; in this embodiment, the cloth welding apparatus 4 and the cover folding apparatus 5 further include therebetween: the breather valve welding device 41 is used for welding the breather valve on the cloth; the mask body folding device 5 is used for folding the cloth into two symmetrical surfaces of the mask and vertically conveying the two symmetrical surfaces; a third guiding device 54 for guiding the conveying device 11 to convey the cloth from the cover folding device 5 to the one-time cutting and forming device 6; a primary cutting and forming device 6 for cutting the cloth for forming the lower part of the mask; in this embodiment, the method further includes: a waste collecting device 61 provided on one side of the one-time cutting and forming device 6; the middle section of the head-wearing mask production line is formed.

The ear band welding device 7 is used for correspondingly welding a pair of ear bands on two sides of the mask respectively; a fourth guiding device 78 for guiding the conveying device 11 to convey the cloth from the ear band welding device 7 to the mask edge banding device 8; the mask edge sealing device 8 is used for sealing edges of the mask; a fifth guiding device 85 for guiding the conveying device 11 to convey the cloth from the mask edge banding device 8 to the secondary cutting and forming device 86; a secondary cutting and forming device 86 for cutting the cloth for the second time to form the mask completely; the unloading device 9 is used for unloading the formed mask from the conveying device 11; the rear section of the head-wearing mask production line is formed.

Referring to fig. 2, in the present embodiment, the feeding device 2 includes: the mask production device comprises a cloth mounting rack, a plurality of cloth reels and a plurality of control devices, wherein the cloth mounting rack is provided with a plurality of cloth reels for winding mask production cloth; the rear end of the cloth mounting rack is provided with a plurality of induction material trays at intervals along the height direction, each induction material tray is provided with an inductor and a feeding mechanism, and as a preferred embodiment, the inductor adopts an optical fiber inductor; a plurality of rotatable guide rods used for guiding cloth are arranged between the cloth mounting frame and the induction material disc, the cloth scroll is driven by a discharging motor arranged on the cloth mounting frame, so that the cloth is rotatably unreeled, and the cloth is guided by the guide rods to be transmitted to the induction material disc with the corresponding height. As an implementation manner of the feeding mechanism, the sensing material tray is mounted on the rotating shaft, and when the optical fiber sensor senses the material, the feeding motor drives the rotating shaft to rotate, so as to drive the sensing material tray to obliquely feed the material to the corresponding material distribution carrier of the rear and lower conveying device 11; as other embodiments, the feeding mechanism can also adopt a pushing mechanism or a clamping mechanism, or adopt manual feeding instead.

Referring to fig. 1, in the present embodiment, the conveying device 11 includes a first conveying mechanism 111, which is a circulating first conveying mechanism, and the first conveying mechanism includes a horizontal conveyor belt provided with a plurality of carriers for carrying cloth at intervals, and the horizontal conveyor belt is driven by a driving mechanism (not shown in the figure), so as to drive the plurality of carriers to realize a front-to-back circulating motion. In a preferred embodiment, the conveyor belt is a timing belt and is driven by a timing belt pulley mechanism.

Referring to fig. 3 to 4, in the present embodiment, the first guide device 21 includes a guide mounting frame 451, a pair of horizontal guide rollers 452 disposed up and down are mounted on the guide mounting frame 451, and the first conveying mechanism passes through a gap between the pair of horizontal guide rollers 452. As a preferred embodiment, the guide mounting frame 451 is provided with a pair of side plates, each side plate is provided with a mounting guide groove, a movable block 453 capable of ascending and descending along the mounting guide groove is embedded in the mounting guide groove, the top end of the guide mounting frame 451 is provided with a vertical screw 454, the top end of the vertical screw 454 is provided with a handle of a runner 331, the handle of the runner 331 is preferably a corrugated handle, and the bottom end of the vertical screw 454 is connected with the movable block 453; in a more preferred embodiment, a buffer spring is provided between the bottom end of the vertical screw 454 and the movable block 453, and the bottom end of the movable block 453 is connected to the guide mount 451 by a support spring.

Referring to fig. 3 and 5, in the present embodiment, the nose bridge strip assembling device 3 includes: a cutting mechanism 31; the nose bridge strip conveying mechanism 32 is arranged on the production line rack 1 and is used for conveying the nose bridge strip to the cutting mechanism 31; the cutting mechanism 31 is used for cutting the nose bridge strip into required length; and the feeding mechanism 33 is used for conveying the nose bridge strips to the cloth. As a preferred embodiment, the nose bridge strip delivery mechanism 32 includes: a guide wheel 322 mounting rack 321 arranged on one side of the cutting mechanism 31, and a pair of guide wheels 322 mounted on the guide wheel 322 mounting rack 321 at intervals up and down, wherein the nose bridge bar can pass through between the pair of guide wheels 322; a cam 323 arranged at one side of the guide wheel 322 for driving the pair of guide wheels 322 to rotate relatively, and the nose bridge strip synchronously passes through between the pair of guide wheels 322 and is conveyed to the cutting mechanism 31; the feeding mechanism 33 includes: a first driving mechanism for driving a rotor 331 to rotate; the pushing mechanism arranged on one side of the cutting mechanism 31 comprises a bracket arranged on the production line rack 1 and a pushing block 332 movably connected with the bracket; one end of the eccentric link mechanism 333 is eccentrically hinged with the rotating wheel 331, and the other end of the eccentric link mechanism 333 is hinged with the push block 332; the feeding mechanism 33 drives the eccentric link mechanism 333 to link with the pushing mechanism through the rotating wheel 331, so that the pushing block 332 moves to and fro close to or away from the cutting mechanism 31, and the nose bridge strip is conveyed to the cloth or the feeding mechanism 33 is reset correspondingly.

Referring to fig. 3 and 6, in the present embodiment, the cloth welding apparatus 4 includes: the welding and forming device comprises a welding and mounting frame 42 and a vertical ultrasonic vibrator which are arranged on the production line rack 1, wherein the welding and forming roller 43 is horizontally and transversely arranged on the welding and mounting frame 42, the vertical ultrasonic vibrator is vertically arranged below the welding and mounting frame 42, and the upper end of the vertical ultrasonic vibrator is provided with a welding and welding head 44 which upwards penetrates through the welding and mounting frame 42 and extends to the lower part of the welding and forming roller 43; as a preferred embodiment, the cloth welding apparatus 4 further includes: at least one heat fan disposed on one side of the welding head 44.

Referring to fig. 3 and 7, in the present embodiment, the second guiding device 45 is the first guiding device 21. In a preferred embodiment, a gear mounting rack 455 is provided at one side of the cloth welding apparatus 4 and the second guide apparatus 45, a plurality of synchronizing gears 458 are mounted on the gear mounting rack 455, and each synchronizing gear 458 is connected to each other by a timing belt, a driving wheel 456 engaged with one of the synchronizing gears 458 is provided at one end of the welding forming patterned roller 43, a pair of driven wheels 457 engaged with each other is provided at the corresponding end of the pair of horizontal guide rollers 452 of the second guide apparatus 45, and one of the driven wheels 457 is engaged with the other synchronizing gear 458, thereby achieving the synchronous rotation of the welding forming patterned roller 43 of the cloth welding apparatus 4 and the pair of horizontal guide rollers 452 of the second guide apparatus 45.

Referring to fig. 3 and 8, in the present embodiment, the breather valve welding device 41 includes: the automatic feeding device comprises a breather valve welding head 411 arranged on the production line rack 1, a material clamping mechanism 412 arranged on one side of the breather valve welding head 411, a vibrating disc 413 arranged on one side of the material clamping mechanism 412 and used for orderly arranging the breather valves and conveying the breather valves to the material clamping mechanism 412 through a feeding channel, wherein the material clamping mechanism 412 is used for carrying and installing the breather valves on breather valve installation positions of cloth, and the breather valves are welded with the cloth through the breather valve welding head 411. As a preferred embodiment, the breather valve welding device 41 further includes: the material platform 414 is arranged on the production line rack 1, and the rotating unit and the correlation sensor (not shown in the figure) are arranged on the material platform 414 and are used for bearing the breather valve conveyed from the feeding channel, and driving the breather valve to rotate relative to the cloth through the autorotation of the breather valve until the correlation sensor senses that the posture of the breather valve relative to the cloth is matched with the installation position.

Referring to fig. 1, in this embodiment, after the breather valve welding device 41 welds the breather valve on the cloth, the first conveying mechanism throws the cloth onto the material guiding roller 53 of the cover folding device 5 close to the first conveying mechanism by using inertia, so as to convey the cloth from the cloth welding device 4 to the cover folding device 5, and at this time, the corresponding carrier of the first conveying mechanism reaches the conveying end point to complete one-time circular conveying, and returns to the starting point beside the feeding device 2 from the inner lower part of the production line rack 1.

Referring to fig. 9, in the present embodiment, the cover folding device 5 includes: the folding device comprises a material folding platform 51 arranged on the production line rack 1 and a triangular material folding plate 52 arranged on the material folding platform 51, wherein the triangular material folding plate 52 gradually extends upwards in an inclined manner from front to back; at least one material guide roller 53 horizontally and transversely installed in front of the triangular material folding plate 52, and a pair of material distribution rollers vertically installed behind the triangular material folding plate 52.

In this embodiment, the third guide device 54 is configured to rotate the first guide device 21 by 90 degrees, that is, the vertical guide rollers 452 disposed vertically are correspondingly changed to the vertical guide rollers disposed horizontally, the pair of side plates are changed to the top plate and the bottom plate, and the directions of the installation guide groove, the movable block 453, and the screw shaft are all correspondingly changed to horizontal, so that after the cover folding device 5 folds the cloth into two symmetrical surfaces of the mask and conveys the cloth to the third guide device 54 in an upright posture, the third guide device 54 guides the cloth to keep the cloth in an upright posture and conveys the cloth from the cover folding device 5 to the one-time cutting and forming device 6, which will not be described herein again. As a more preferred embodiment, the third guiding means 54 further comprises: the transition guiding device arranged behind the guiding installation frame 451 comprises the transition guiding installation frame 451, three transition guiding rollers vertically arranged on the transition guiding installation frame 451 in a staggered mode, and the three transition guiding rollers are matched with a lead screw with a rotating wheel 331 handle and a gear set to realize synchronous rotation, so that the cloth is vertically guided to the one-time cutting and forming device 6 behind the guiding installation frame 451 in the front.

Referring to fig. 10, in the present embodiment, the one-time cutting and forming device 6 includes: including installing gauze mask on production line frame 1 and cutting mounting bracket 62, this gauze mask cuts mounting bracket 62 and is equipped with the cutter roll 63 that is vertical arrangement respectively, with cutter roll 63 matched with shim roller, the lower extreme of cutter roll 63 is equipped with cutter roller gear, the lower extreme of shim roller is equipped with shim roller gear, cutter roll 63 gear meshes with shim roller 64 gear mutually and cuts motor drive through locating the gauze mask on the gauze mask cuts mounting bracket 62.

Referring to fig. 1, as a preferred embodiment, the method further includes: a scrap collecting device 61 provided on the side of the one-time cutting and forming device 6.

Referring to fig. 1 and 11-17 together, in the present embodiment, the ear band welding device 7 includes: the ear belt welding mounting frame 71 is arranged on the production line rack 1, and the ear belt welding mounting frame 71 comprises a base, a top plate arranged above the base and a plurality of upright posts vertically connected between the base and the top plate; the top plate is provided with an ear belt feeding mechanism 72 and a cover body positioning frame 73, and the left side and the right side of the top plate on the cover body positioning frame 73 are respectively and correspondingly provided with a left ear belt welding mechanism 74 and a right ear belt welding mechanism 75; the base is provided with an ear band clamping and shearing mechanism 76 and a mask edge sealing device 8.

Referring to fig. 12, in the present embodiment, the left ear strap welding mechanism 74 includes: install in the left welding mounting bracket of roof and be equipped with about the welding of horizontal action and drive actuating cylinder, the piston rod that the welding drove actuating cylinder is extended the tip and is equipped with movable stores pylon, and ultrasonic bonding tool is installed to movable stores pylon.

In the present embodiment, the right ear strap welding mechanism 75 adopts the structure of the left ear strap welding mechanism 74, and the description thereof is omitted.

Referring to fig. 1 and 13-15 together, in the present embodiment, the ear band clamping and cutting mechanism 76 includes: the clamping and shearing device comprises a first inclined sliding seat 761 inclined upwards from front to back, a first longitudinal lead screw 762 obliquely arranged on the inclined sliding seat along the front-back direction and used for driving a clamping and shearing mounting seat 763 to reciprocate along the first longitudinal lead screw 762, wherein a belt module circularly transmitted along the left-right direction is arranged on the clamping and shearing mounting seat 763 and used for driving at least one clamping device 764 to reciprocate along the belt module; as a preferred embodiment, the gripper 764 includes: the clamping device comprises a movable seat arranged on the belt module, a clamping frame arranged on the movable seat, and a clamping cylinder arranged on the clamping frame and used for driving a pair of ear belt clamping blocks to open and close up and down; a band cutter 765 mounted on the first inclined slide 761 for cutting an ear band. In a preferred embodiment, the clamp 764 is disposed at the front side of the first inclined slide 761, and the tape cutter 765 includes a support disposed at the rear side of the first inclined slide 761, the top end of the support extending to the front side of the first inclined slide 761, and the top end of the support being provided with pneumatic scissors near the front side of the first inclined slide 761.

Referring to fig. 16, in the present embodiment, the ear band clamping and transferring mechanism 77 includes: the second inclined sliding seat 771 which is obliquely inclined upwards from front to back and a second longitudinal screw rod which is obliquely arranged on the inclined sliding seat along the front-back direction are used for driving the traction mounting seat to reciprocate along the second longitudinal screw rod; the second longitudinal lead screw adopts a structure of a first longitudinal lead screw 762; the retractor mounts are mounted to a pair of left and right spaced retractors 772 for grasping ear bands from the band cutter 765 and retracting to either the left ear band welding mechanism 74 or the right ear band welding mechanism 75. As a preferred embodiment, the retractor 772 includes: the traction motor is arranged on the traction mounting seat and is used for driving a traction cylinder to rotate on a vertical surface along the horizontal axial direction of the traction cylinder; the pulling forceps comprise: and a pair of pliers driven by the traction cylinder to rotate oppositely or reversely on the vertical surface.

Referring to fig. 1, as a preferred embodiment, a pair of ear band welding devices 7 is provided along the front-rear direction of the ear band welding mounting frame 71; the transport device 11 further comprises a second transport mechanism 112 for guiding the cloth in a vertical position from the front ear band welding device 7 to the rear ear band welding device 7.

In this embodiment, the fourth guiding device 78 adopts the structure of the third guiding device 54, and the description thereof is omitted.

Referring to fig. 17, in the present embodiment, the mask edge banding device 8 includes: the driving module 84 is installed on the production line rack 1, the driving module 84 is used for driving the edge sealing installation rack 81 to move linearly back and forth, and the edge sealing installation rack 81 is installed on a guide rail arranged on the production line rack 1 through a sliding block; in a preferred embodiment, the driving module 84 uses a servo motor as a driving member, and its transmission mechanism may use a screw-nut mechanism or a gear synchronous belt mechanism; in other embodiments, the drive module 84 may be driven by an air cylinder, an oil cylinder, or an electric cylinder. In this embodiment, a banding cylinder for driving the banding die 82 to move linearly in the left and right directions is installed at one side of the sealing installation frame; the other side of the sealing mounting frame is provided with a transverse ultrasonic vibrator 83 corresponding to the edge sealing die 82, the edge sealing cylinder drives the edge sealing die 82 to move close to or far away from the transverse ultrasonic vibrator 83, and the fourth guiding device 78 is matched to convey the cloth from the ear band welding device 7 to the mask edge sealing device 8 for edge sealing. As a more preferable embodiment, the edge sealing die 82 is a female die and is mounted on the edge sealing cylinder, and the edge sealing cylinder drives the edge sealing die 82 to move towards the ultrasonic vibrator through high-frequency vibration provided by the transverse ultrasonic vibrator 83, so as to pressurize the cloth passing through the ultrasonic vibrator, thereby further pressing and shaping the outline of the mask.

In this embodiment, the fifth guiding device 85 adopts the structure of the third guiding device 54, and is not described herein again.

In the present embodiment, the secondary cut molding device 86 adopts a similar structure to the primary cut molding device 6.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (10)

1. The utility model provides a wear-type gauze mask production line which characterized in that includes: the production line frame is followed the conveyor of the axial transport cloth of production line frame follows the direction of delivery of cloth is arranged after to in proper order in the past:

the feeding device is used for placing the cloth on the conveying device;

the nose bridge strip assembling device is used for assembling the nose bridge strip on the cloth;

the cloth welding device is used for welding and impressing the cloth into the plane shape of the mask;

the mask body folding device is used for folding the cloth into two symmetrical surfaces of the mask and vertically conveying the two symmetrical surfaces;

the one-time cutting forming device is used for cutting the cloth once to form the lower part of the mask;

the ear band welding device is used for correspondingly welding the pair of ear bands on two sides of the mask respectively;

the mask edge sealing device is used for sealing edges of the mask;

the secondary cutting forming device is used for cutting the cloth for the second time so as to completely form the mask;

and the discharging device is used for discharging the formed mask from the conveying device.

2. The production line of the head-mounted mask according to claim 1, further comprising between the cloth welding device and the mask folding device:

and the breather valve welding device is used for welding the breather valve on the cloth.

3. The head-mounted mask production line according to claim 1, further comprising: and the waste collecting device is arranged on one side of the one-time cutting forming device.

4. The head-mounted mask production line according to claim 1, wherein the nose bridge strip fitting means comprises:

a cutting mechanism; the nose bridge strip conveying mechanism is arranged on the production line rack and is used for conveying the nose bridge strip to the cutting mechanism; the cutting mechanism is used for cutting the nose bridge strip into required length; and the feeding mechanism is used for conveying the nose bridge strip to the cloth.

5. The head-mounted mask production line according to claim 4, wherein the nose bridge strip conveying mechanism comprises: the nose bridge strip can penetrate between the guide wheels; and the cam is arranged on one side of the guide wheels and is used for driving the pair of guide wheels to rotate relatively, and the nose bridge strip synchronously penetrates between the pair of guide wheels and is conveyed to the cutting mechanism.

6. The head-mounted mask production line according to claim 5, wherein the feeding mechanism comprises:

the first driving mechanism is used for driving a rotating wheel to rotate;

the pushing mechanism arranged on one side of the cutting mechanism comprises a bracket arranged on the production line rack and a pushing block movably connected with the bracket;

one end of the eccentric connecting rod mechanism is eccentrically hinged with the rotating wheel, and the other end of the eccentric connecting rod mechanism is hinged with the push block;

the feeding mechanism drives the eccentric connecting rod mechanism to link with the pushing mechanism through the rotating wheel, so that the pushing block is close to or far from the cutting mechanism to reciprocate, and the nose bridge strip is conveyed to the cloth or the feeding mechanism is reset correspondingly.

7. The head-mounted mask production line according to claim 2, wherein the breather valve welding device comprises:

locate breather valve bonding tool in the production line frame is located the double-layered material mechanism of breather valve bonding tool one side is located the vibration dish of double-layered material mechanism one side for arrange the breather valve in order and carry extremely through the pay-off passageway press from both sides the material mechanism, press from both sides the material mechanism be used for with the breather valve transport and install in the breather valve installation position of cloth, and by the breather valve bonding tool will the breather valve with the cloth welds mutually.

8. The head-mounted mask production line of claim 7, wherein the breather valve welding device further comprises:

the device comprises a material platform arranged on the production line rack, a rotating unit and an opposite jetting sensor which are arranged on the material platform and used for bearing the breather valve conveyed by the feeding channel, and the breather valve is driven by the rotation of the breather valve to rotate relative to the cloth until the opposite jetting sensor senses that the posture of the breather valve relative to the cloth is matched with the installation position.

9. The head-mounted mask production line according to claim 1, wherein the cloth welding means comprises:

the welding device comprises a welding mounting frame and a vertical ultrasonic vibrator which are arranged on a production line rack, and a welding forming roller which is horizontally and transversely arranged on the welding mounting frame, wherein the vertical ultrasonic vibrator is vertically arranged below the welding mounting frame, and the upper end of the ultrasonic is provided with a welding head which upwards penetrates through the welding mounting frame and extends to the lower part of the welding forming roller;

the cover body folding device comprises:

the triangular material folding plate is arranged on the material folding platform and gradually extends upwards in an inclined manner from front to back; the material guiding device comprises at least one material guiding roller horizontally and transversely arranged in front of a triangular material folding plate and a pair of material distributing rollers vertically arranged behind the triangular material folding plate.

10. The head-mounted mask production line according to claim 1, wherein the one-time cutting and forming device comprises:

the mask cutting and mounting frame is provided with a cutter roller and a shim roller matched with the cutter roller, wherein the cutter roller and the shim roller are vertically arranged, the lower end of the cutter roller is provided with a cutter roller gear, the lower end of the shim roller is provided with a shim roller gear, and the cutter roller gear is meshed with the shim roller gear and driven by a mask cutting motor arranged on the mask cutting and mounting frame;

the ear band welding device includes:

the ear belt welding mounting frame comprises a base, a top plate and a plurality of stand columns, wherein the top plate is arranged above the base, and the stand columns are vertically connected between the base and the top plate; the top plate is provided with an ear belt feeding mechanism and a cover body positioning frame, and a left ear belt welding mechanism and a right ear belt welding mechanism are correspondingly arranged on the two sides of the cover body positioning frame respectively; the base is provided with an ear band clamping and shearing mechanism and an ear band clamping and transferring mechanism.

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