CN109043698B

CN109043698B - High-speed folding mask machine

Info

Publication number: CN109043698B
Application number: CN201811148708.6A
Authority: CN
Inventors: 曾俊福; 陈伟宏; 程争卿; 胡嘉隆
Original assignee: Guangdong Kuaiyuda Automation Technology Co ltd
Current assignee: Guangdong Kuaiyuda Automation Technology Co ltd
Priority date: 2018-09-29
Filing date: 2018-09-29
Publication date: 2023-12-12
Anticipated expiration: 2038-09-29
Also published as: CN109043698A

Abstract

The invention relates to the technical field of mask production equipment, in particular to a high-speed folding mask machine which comprises a workbench, wherein an installation cavity is arranged in the workbench, one side of the workbench is provided with an active discharging device, and the workbench is further provided with a nose wire installation device, a welding device, a first ear belt installation device, a second ear belt installation device, a mask body doubling device, a forming welding device, a finished product cutting device and a discharging device in sequence. The high-speed folding mask machine is used for automatically producing masks and has the advantages of labor saving, high automation degree and high production efficiency.

Description

High-speed folding mask machine

Technical Field

The invention relates to the technical field of mask production equipment, in particular to a high-speed folding mask machine.

Background

The cloth mask comprises a mask body, wherein the mask body is formed by laminating a plurality of layers of cloth, such as non-woven fabrics. The both sides of the cover body are provided with the ear straps for wearing the mask on the ears of a user, the nose bridge position of the cover body is provided with nose bridge lines, and the nose bridge lines are plastic-coated iron core strips and have certain toughness, so that the cover body is more attached to the face of the user.

Therefore, the cloth mask needs to be subjected to multiple procedures such as upper nose beam line, upper ear belt, doubling, forming and welding, finished product cutting and the like during production. Because different procedures need to be applied to different equipment, for example, an ear strap spot welder needs to be used when an ear strap is applied; and a mask fusion cutting machine is needed when the finished product is fused and cut off. Therefore, various equipment is required in the production of mask production factories, and a plurality of workers are required for the operation of the equipment, and the production mode has the defects of low production efficiency and high labor cost.

Therefore, there is a need to provide a high-speed mask folding machine to solve the shortcomings of the prior art.

Disclosure of Invention

The invention aims to provide a high-speed folding mask machine which aims at overcoming the defects of the prior art.

In order to solve the technical problems, the invention adopts the following technical scheme:

the utility model provides a high-speed folding mask machine, includes the workstation, be equipped with the installation cavity in the workstation, one side of workstation is equipped with initiative blowing device, still be equipped with nose line installation device, butt fusion device, first ear area installation device, second ear area installation device, cover body fifty percent discount device, shaping welding device, finished product cutting device and discharging device on the workstation in proper order.

Preferably, the active unreeling mechanism comprises a cabinet body, a plurality of cloth unreeling devices arranged on the side surface of the cabinet body, a plurality of first motors in driving connection with the cloth unreeling devices, a plurality of first cloth guide rollers arranged on one side of the cloth unreeling devices, a cloth tensioning mechanism arranged below the first cloth guide rollers and a cloth flattening mechanism arranged on the side edge of the cabinet body; the cloth flattening mechanism comprises a clamping piece mounting frame and clamping pieces arranged on the clamping piece mounting frame, wherein bending parts are arranged on two sides of the clamping pieces, and a cloth gap for clamping cloth is formed by the bending parts and the clamping pieces; the cloth tensioning mechanism comprises a rotating rod which is rotationally connected with the cabinet body, a plurality of second cloth guide rollers are arranged on the rotating rod, and the second cloth guide rollers are positioned below the first cloth guide rollers; the tail end of the rotating rod is also provided with a limiting rod, and the tail end of the limiting rod is connected to the side face of the cabinet body.

Preferably, the nose line installation device comprises a first cloth guide mechanism, a second cloth guide mechanism, a nose line discharging mechanism, a nose line cutting mechanism and a nose line pushing mechanism; the first cloth guide mechanism comprises two first portal frames symmetrically arranged on the top surface of the workbench and a plurality of third cloth guide rollers arranged between the two first portal frames; the second cloth guide mechanism comprises two first mounting plates symmetrically arranged on the top surface of the mounting cavity and a plurality of fourth cloth guide rollers arranged between the two first mounting plates; the nose line discharging mechanism comprises a second portal frame, a mounting box body fixedly arranged on the second portal frame and a nose line unreeling device rotationally connected with the mounting box body, wherein a first rotating arm rotationally connected with the mounting box body is arranged on the mounting box body, and a nose line tensioning wheel rotationally connected with the first rotating arm is arranged on the first rotating arm; the first mounting arm is fixedly arranged on the second portal frame, and a nose line guide wheel which is rotationally connected with the first mounting arm is arranged on the first mounting arm; the nose line cutting mechanism comprises a second mounting plate, a first sprocket, a tensioning sprocket, a second sprocket, a line arrangement device, two corresponding withdrawal wheels, a nose line feeding wheel and a punching mechanism; the first sprocket, the tensioning sprocket and the second sprocket are respectively arranged on the side face of the second mounting plate; the workbench is provided with a divider, the divider is provided with a first driving wheel and a second driving wheel which are in driving connection with the divider, and the first driving wheel is in linkage connection with the second sprocket, the tensioning sprocket and the first sprocket; the wire arranging device, the two corresponding blocking wheels, the nose wire feeding wheel and the punching mechanism are sequentially arranged on the other side surface of the second mounting plate; the wire trimming device comprises a wire trimming mounting plate fixedly arranged on the second mounting plate, a first fixing block fixedly arranged on the side surface of the wire trimming mounting plate, a wire trimming adjusting screw rod penetrating through the first fixing block, a wire trimming adjusting slide block screwed with the wire trimming adjusting screw rod, a first wire trimming wheel arranged on the wire trimming adjusting slide block and a plurality of second wire trimming wheels arranged on the wire trimming mounting plate, wherein the second wire trimming wheels are arranged around the first wire trimming wheel; the nose wire feeding wheel is provided with a nose wire wheel driving shaft for driving the nose wire wheel to rotate, the nose wire wheel driving shaft is connected with the first chain wheel, and a feeding driven wheel matched with the nose wire wheel is arranged below the nose wire feeding wheel; the punching mechanism comprises a cutter driving shaft connected with the second chain wheel, a cutter connecting block arranged on the cutter driving shaft and a punching cutter arranged at the tail end of the cutter connecting block, and the punching cutter is rotationally connected with the cutter connecting block; the nose line pushing mechanism comprises a third mounting plate fixedly arranged on the workbench, a crank block mechanism arranged on the third mounting plate, a nose line push plate arranged at the tail end of the crank block mechanism and a nose line clamping block fixedly arranged on the workbench; the crank block mechanism is in driving connection with the second driving wheel; the nose wire clamp block is internally provided with a nose wire pushing hole penetrating through the nose wire clamp block in the axial direction, a nose wire conveying hole communicated with the nose wire pushing hole and a cutter hole communicated with the nose wire conveying hole, the nose wire push plate is movably arranged in the nose wire pushing hole, and the punching cutter is movably arranged in the cutter hole; the top surface of the workbench is also provided with a feeding opening for cloth to pass through, two corresponding first feeding rollers are arranged between the two first portal frames, and the first feeding rollers are arranged on one side of the tail end of the nose wire clamp block and are positioned above the feeding opening.

Preferably, the welding device comprises a welding wheel mechanism, a first cutter wheel mechanism and a first material pulling wheel mechanism which are sequentially arranged on the workbench; the welding wheel mechanism comprises two symmetrically arranged welding wheel mounting plates, and a plurality of second material passing rollers and first welding wheels are sequentially arranged from bottom to top; the end part of the first welding wheel is provided with a first transmission part for driving the first welding wheel to rotate; two ends of the second passing roller are respectively and rotatably connected with the two welding wheel mounting plates; the welding wheel mounting plates are respectively provided with a first sliding block in sliding connection with the welding wheel mounting plates, and two ends of the first welding wheel are respectively and rotatably connected with the two first sliding blocks; the welding wheel mounting plates are also respectively provided with a first adjusting screw rod in threaded connection with the welding wheel mounting plates, and the tail ends of the first adjusting screws are connected with the first sliding blocks; a first adjusting hand wheel is arranged on the first adjusting screw rod; the first cutter wheel mechanism comprises two cutter wheel mounting plates, a first cutter cushion wheel, a first cutter wheel and a first pressure shaft which are symmetrically arranged; the two cutter wheel mounting plates are sequentially provided with a second slider, a third slider and a fourth slider which are in sliding connection with the cutter wheel mounting plates from bottom to top, two ends of the first cutter wheel are respectively and rotatably connected with the two second sliders, two ends of the first cutter wheel are respectively and rotatably connected with the two third sliders, and two ends of the first pressure shaft are respectively and rotatably connected with the two fourth sliders; the third sliding block is in threaded connection with the fourth sliding block, a first pressure sensor is arranged at the top of the fourth sliding block, a second adjusting screw rod in threaded connection with the cutter wheel mounting plate is further arranged on the cutter wheel mounting plate, and the tail end of the second adjusting screw rod is connected with the first pressure sensor; a second adjusting hand wheel is arranged on the second adjusting screw rod; one end of the first cutter wheel is provided with a second transmission part for driving the first cutter wheel to rotate, the other end of the first cutter wheel is provided with a cutter induction disc, and the third slider is fixedly provided with a cutter inductor corresponding to the cutter induction disc; the first material pulling wheel mechanism comprises two corresponding material pulling wheel mounting plates, a first material pulling wheel and a second material pulling wheel which are sequentially arranged from bottom to top, a third transmission part for driving the first material pulling wheel to rotate is sequentially arranged at the tail end of the first material pulling wheel, and a fourth transmission part meshed with the third transmission part is arranged at the tail end of the second material pulling wheel; two ends of the first material pulling wheel are respectively and rotatably connected with two material pulling wheel mounting plates; the two material pulling wheel mounting plates are respectively provided with a fifth sliding block in sliding connection with the two material pulling wheel mounting plates, two ends of the second material pulling wheel are respectively connected with the two fifth sliding blocks in a rotating way, a first adjusting shaft sequentially penetrates through the two fifth sliding blocks, the material pulling wheel mounting plates are provided with first clamping plates in threaded connection with the first clamping plates, the first adjusting shafts are provided with first gaps, and the first clamping plates are embedded into the first gaps; the top surface of the fifth sliding block is fixedly provided with a first spring seat, the top of the material pulling wheel mounting plate is provided with a third adjusting screw connected with the top of the material pulling wheel mounting plate in a threaded mode, the tail end of the third adjusting screw is provided with a second spring seat, and a first spring is arranged between the first spring seat and the second spring seat.

Preferably, the first ear belt mounting device and the second ear belt mounting device respectively comprise an ear belt feeding mechanism, an ear belt cutting mechanism and an ear belt welding mechanism; the ear belt feeding mechanism comprises a fourth mounting plate, a feeding motor arranged on the side surface of the fourth mounting plate, a feeding driving wheel in driving connection with the feeding motor, a feeding driven wheel arranged on one side of the feeding driving wheel, a plurality of ear belt guide wheels arranged on the fourth mounting plate and an ear belt tensioning mechanism arranged on the fourth mounting plate, wherein the ear belt tensioning mechanism comprises a first guide pillar fixedly arranged on the fourth mounting plate and an ear belt tensioning wheel in sliding connection with the first guide pillar; the ear strap welding mechanism comprises a first mounting frame, a first air cylinder fixedly arranged on the first mounting frame, two welding cylinders in driving connection with the first air cylinder and first welding heads respectively arranged at the tail ends of the welding cylinders; the welding cylinder is also provided with a welding installation frame which is connected with the welding cylinder in a sliding way, and the welding installation frame is provided with a second air cylinder, a third air cylinder and a second motor; the welding installation frame is also provided with a rotary column body in driving connection with the second motor, the rotary column body penetrates through the welding installation frame, the tail end of the rotary column body is provided with a rotary plate, two ends of the rotary plate are respectively provided with an ear belt supporting frame, and two sides of the rotary plate are respectively provided with two corresponding elastic hooks in rotary connection with the rotary plate; the second cylinder is provided with two stop blocks which are in driving connection with the second cylinder, and the elastic hooks are driven to be clung to the side surfaces of the rotating plate when the two stop blocks move downwards; the third cylinder is provided with a line pressing bent plate in driving connection with the third cylinder; the top surface of the mounting cavity is provided with a first ultrasonic transducer which is arranged below the first welding head; the ear belt cutting mechanism comprises a scissors mounting plate, a scissors driving cylinder arranged on the scissors mounting plate and pneumatic scissors arranged on a piston rod of the scissors driving cylinder, wherein the scissors driving cylinder drives the pneumatic scissors to extend into/withdraw from the middle of two corresponding elastic hooks.

Preferably, the cover body doubling-up device comprises a second material pulling wheel mechanism, a doubling-up mechanism and a vertical material pulling mechanism which are sequentially arranged on the workbench, wherein the second material pulling wheel mechanism and the first material pulling wheel mechanism are identical in structure; the folding mechanism comprises a positioning mechanism and a folding plate which is arranged on the positioning mechanism in an upward inclined manner; the positioning mechanism comprises a fourth adjusting screw rod arranged on the workbench, an adjusting nut plate in threaded connection with the fourth adjusting screw rod and a second sliding plate fixedly arranged on the adjusting nut plate, a supporting rod in rotary connection with the second sliding plate is arranged on the second sliding plate, and the other end of the supporting rod is in rotary connection with the doubling plate; a third adjusting hand wheel is arranged on the fourth adjusting screw rod; the second sliding plate is also provided with two symmetrically arranged fifth mounting plates, the fifth mounting plates are provided with fifth adjusting screws, the bottom surfaces of the pair of folded plates are provided with a plurality of shaft fixing blocks, an angle adjusting shaft penetrates through the shaft fixing blocks, two ends of the angle adjusting shaft are respectively connected with the two fifth adjusting screws, and the fifth adjusting screws are provided with fifth adjusting handwheels; the vertical material pulling mechanism comprises a second mounting frame, a third material pulling wheel and a fourth material pulling wheel; two ends of the third material pulling wheel are respectively and rotatably connected with the top and the bottom of the second installation frame, and a material pulling wheel driving shaft is arranged at the tail end of the third material pulling wheel; the top plate and the bottom plate of the second installation frame are further respectively provided with a seventh sliding block in sliding connection with the seventh sliding block, two ends of the fourth material pulling wheel are respectively connected with the two seventh sliding blocks in a rotating mode, a third spring seat is fixedly arranged on the seventh sliding block, one side of the second installation frame is provided with two adjusting handles, the tail end of each adjusting handle is provided with a fourth spring seat, a third spring is arranged between each third spring seat and each fourth spring seat, a second adjusting shaft sequentially penetrates through the two seventh sliding blocks, the top plate and the bottom plate of the second installation frame are further respectively provided with a second clamping plate in threaded connection with the second clamping plates, and a second notch is formed in each second adjusting shaft and is embedded into the second notch.

Preferably, the forming welding device comprises a guide rail arranged on the workbench, a third mounting frame arranged on the guide rail, a welding device and a second ultrasonic transducer which are respectively arranged at two sides of the third mounting frame, a first screw rod for driving the third mounting frame to slide on the guide rail is further arranged on the workbench, and a nut seat in threaded connection with the first screw rod is further arranged on the third mounting frame; the welding device comprises a fourth air cylinder fixedly arranged on the third installation frame and a welding plate arranged on a piston rod of the fourth air cylinder.

Preferably, the finished product cutting device comprises a finished product guiding mechanism and a vertical cutter wheel mechanism which are sequentially arranged on the workbench, the finished product guiding mechanism comprises a fourth mounting frame, an adjusting shaft and a finished product guiding roller, the top and the bottom of the fourth mounting frame are respectively provided with connecting plates, the adjusting shaft sequentially passes through the two connecting plates, the adjusting shaft is provided with two first bevel gears, the top and the bottom of the fourth mounting frame are respectively provided with a sixth adjusting screw connected with the top and the bottom of the fourth mounting frame in a threaded manner, two ends of the finished product guiding roller are respectively connected with the two sixth adjusting screws, and the tail end of the sixth adjusting screw is provided with a second bevel gear meshed with the first bevel gears; the vertical cutter wheel mechanism comprises a fifth installation frame, a second cutter pad wheel, a second cutter wheel and a second pressure shaft, wherein an eighth sliding block, a ninth sliding block and a tenth sliding block are sequentially arranged at the top and the bottom of the fifth installation frame, and two ends of the second cutter pad wheel are respectively connected with the two eighth sliding blocks in a rotating way; two ends of the second cutter wheel are respectively connected with the two ninth sliding blocks in a rotating way; the two ends of the second pressure shaft are respectively connected with the two tenth sliding blocks in a rotating way, the ninth sliding blocks are in threaded connection with the tenth sliding blocks, tenth adjusting screws in threaded connection with the ninth sliding blocks are further arranged at the top and the bottom of the fifth installation frame respectively, a sixth adjusting hand wheel and a second pressure sensor are arranged on the tenth adjusting screws, and the second pressure sensor is tightly attached to the end face of the tenth sliding blocks; two corresponding ear belt supporting plates are arranged on the side face of the fifth installation frame.

Preferably, the discharging device comprises a discharging wheel mechanism arranged at the tail end of the workbench and a waste pulling mechanism arranged at one side of the workbench, the discharging wheel mechanism comprises a sixth mounting frame, a first discharging roller and a second discharging roller, and two ends of the first discharging roller and the second discharging roller are respectively and rotatably connected with the top and the bottom of the sixth mounting frame; the top and the bottom of the sixth installation frame are respectively provided with a sixth installation plate, and a plurality of discharging rollers are arranged between the two sixth installation plates; the waste pulling mechanism comprises two seventh mounting plates, a seventh material pulling wheel and an eighth material pulling wheel, wherein the seventh material pulling wheel and the eighth material pulling wheel are arranged between the two seventh mounting plates, and two ends of the seventh material pulling wheel and the eighth material pulling wheel are respectively connected with the two seventh mounting plates in a rotating mode.

The beneficial effects of the invention are as follows: the working principle of the high-speed folding mask machine is that an active discharging device is used for unreeling a plurality of fabrics and then sending the fabrics into a nose line installation device, a nose line discharging mechanism is used for unreeling nose line material belts, a nose line cutting mechanism is used for cutting the nose line material belts into equal-length nose lines, a nose line pushing mechanism is used for pushing the nose lines between multiple layers of fabrics, a first material pulling wheel mechanism is used for pulling the fabrics into a welding device, the welding wheel mechanism is used for welding the multiple layers of fabrics into a whole through ultrasonic waves, a first ear belt installation device and a second ear belt installation device are used for respectively welding two ear belts on the fabrics, a mask body doubling device is used for doubling the fabrics, a forming welding device is used for welding edges of the fabrics through ultrasonic waves, a finished product cutting device is used for cutting off the formed mask from the fabrics, finally the mask is output from a discharging wheel mechanism, waste fabrics are output from a waste material pulling mechanism, and mask production is completed; the high-speed folding mask machine is used for automatically producing masks and has the advantages of labor saving, high automation degree and high production efficiency.

Drawings

Fig. 1 is a perspective view of a high-speed folding mask machine of the present invention;

FIG. 2 is a schematic structural diagram of an active discharging device in the present invention;

FIG. 3 is a schematic view of a cloth flattening mechanism according to the present invention;

FIG. 4 is a schematic diagram of another structure of the active discharging device according to the present invention;

FIG. 5 is a schematic view of the nose wire attachment device and fusion device of the present invention;

FIG. 6 is a schematic diagram of a nose line discharging mechanism in the present invention;

FIG. 7 is a schematic view of the structure of the nose line severing mechanism and nose line pushing mechanism of the present invention;

FIG. 8 is another schematic view of the nose line severing mechanism and nose line pushing mechanism of the present invention;

FIG. 9 is a schematic diagram of a nose line pushing mechanism according to the present invention;

FIG. 10 is a schematic view of the structure of a nose clip of the present invention;

FIG. 11 is a schematic diagram of the whole line device in the present invention;

FIG. 12 is a schematic view of a fusion wheel mechanism according to the present invention;

FIG. 13 is a schematic view of a first cutter wheel mechanism according to the present invention;

FIG. 14 is a schematic view of another construction of the first cutter wheel mechanism of the present invention;

FIG. 15 is a schematic view of a first pull wheel mechanism according to the present invention;

FIG. 16 is a schematic view of the construction of a first ear strap mounting device and a second ear strap mounting device of the present invention;

FIG. 17 is a schematic view of an ear band feeding mechanism according to the present invention;

FIG. 18 is a schematic view of an ear strap welding mechanism according to the present invention;

FIG. 19 is another schematic view of an ear strap welding mechanism of the present invention;

FIG. 20 is a schematic diagram illustrating an assembly of a second motor, a rotating cylinder, and a rotating plate according to the present invention;

FIG. 21 is a schematic view of an assembly of a first cylinder, a welding cylinder, and a welding head according to the present invention;

FIG. 22 is a schematic view of the assembly of the second cylinder and stop and the third cylinder and crimping plate of the present invention;

FIG. 23 is a schematic view of the ear band cutting mechanism of the present invention;

FIG. 24 is a schematic view showing the structure of a cover folding device and a forming and welding device according to the present invention

FIG. 25 is a schematic view of a folding mechanism in the present invention;

FIG. 26 is a schematic structural view of a vertical pulling mechanism according to the present invention;

FIG. 27 is a schematic view of a forming and welding apparatus according to the present invention;

FIG. 28 is a schematic view of the structure of the product cutting device and the discharging device of the present invention;

FIG. 29 is a schematic view of the structure of the finished guide mechanism of the present invention;

FIG. 30 is a schematic view of a vertical cutter wheel mechanism according to the present invention;

FIG. 31 is a schematic view of the discharge wheel mechanism of the present invention;

Fig. 32 is a schematic diagram of a scrap pulling mechanism in accordance with the present invention.

Detailed Description

The present invention will be further described with reference to examples, which are preferred embodiments of the present invention.

As shown in fig. 1-32, a high-speed mask folding machine comprises a workbench 100 and a controller 300 arranged on the workbench 100, wherein an installation cavity 110 is arranged in the workbench 100, one side of the workbench 100 is provided with an active discharging device 200 connected with the controller 300, and the workbench 100 is further provided with a nose line installation device 1, a welding device 2, a first ear belt installation device 3a, a second ear belt installation device 3b, a mask body doubling-up device 4, a forming welding device 5, a finished product cutting device 6 and a discharging device 7 which are respectively connected with the controller 300.

Referring to fig. 2-4, the active discharging mechanism 200 includes a cabinet 210, a plurality of cloth unwinding devices 220 disposed on the side of the cabinet 210, a plurality of first motors 230 drivingly connected to the cloth unwinding devices 220, a plurality of first cloth guiding rollers 240 disposed on one side of the cloth unwinding devices 220, a cloth tensioning mechanism 250 disposed below the first cloth guiding rollers 240, and a cloth flattening mechanism 260 disposed on the side of the cabinet 210. The cloth flattening mechanism 260 comprises a clamping piece mounting frame 261 and clamping pieces 262 arranged on the clamping piece mounting frame 261, bending portions 263 integrally formed with the clamping pieces 262 are arranged on two sides of the clamping pieces 262, and cloth gaps for clamping cloth are formed by the bending portions 263 and the clamping pieces 262 in a surrounding mode. The cloth tensioning mechanism 250 comprises a rotating rod 251 rotatably connected with the cabinet 210, a plurality of second cloth guide rollers 252 are arranged on the rotating rod 251, and the second cloth guide rollers 252 are positioned below the first cloth guide rollers 240. The end of the rotating rod 251 is further provided with a limiting rod 253, and the end of the limiting rod 253 is fixedly connected to the side surface of the cabinet 210.

The active unreeling mechanism 200 is used for unreeling a plurality of rolls of cloth, and the working principle is as follows: the first motor 230 drives the cloth unreeling device 220 to unreel in a gear transmission mode, cloth alternately bypasses the first cloth guide roller 240 and the second cloth guide roller 252 and then passes through the clamping piece 262, two sides of the cloth pass through the bending portion 263, and finally, the cloth is output to the nose line installation device 1. The cloth tensioning mechanism 250 is used for adjusting the tension of cloth, when the cloth is unreeled, the tension of cloth acts on the rotating rod 251 through the second cloth guide roller 252, and when the tension of cloth is unequal to the gravity applied to the rotating rod 251, the rotating rod 251 rotates. The rotation lever 251 rotates to control the tension of the cloth within a proper range. The active discharging mechanism 200 uses an active discharging mode to unwind the cloth, so that the defect of inconsistent cloth tension caused by driven discharging is eliminated, and the yield of finished products and the working stability of the whole machine are improved.

Referring to fig. 5-11, the nose line mounting device 1 includes a first cloth guide mechanism 11, a second cloth guide mechanism 12, a nose line discharging mechanism 13, a nose line cutting mechanism 14, and a nose line pushing mechanism 15. The first cloth guide mechanism 11 includes two first portal frames 111 symmetrically disposed on the top surface of the table 100, and a plurality of third cloth guide rollers 112 disposed between the two first portal frames 111. The second cloth guide mechanism 12 includes two first mounting plates 121 symmetrically disposed on the top surface of the mounting chamber 110, and a plurality of fourth cloth guide rollers 122 disposed between the two first mounting plates 121.

Referring to fig. 6, the nose wire feeding mechanism 13 includes a second portal frame 131, a mounting box 132 fixedly disposed on the second portal frame 131, and a nose wire unreeling device 133 rotatably connected with the mounting box 132, a first rotating arm 134 rotatably connected with the mounting box 132 is disposed on the mounting box 132, and a nose wire tensioning wheel 135 rotatably connected with the first rotating arm 134 is disposed on the first rotating arm 134. The second portal frame 131 is fixedly provided with a first mounting arm 136, and the first mounting arm 136 is provided with a nose line guide wheel 137 rotatably connected with the first mounting arm 136.

Referring to fig. 7, 8 and 11, the nose line cutting mechanism 14 includes a second mounting plate 141, a first sprocket 142, a tensioning sprocket 143, a second sprocket 144, a line straightening device 145, two corresponding backing wheels 146, a nose line feeding wheel 147 and a punching mechanism 148. The first sprocket 142, the tension sprocket 143, and the second sprocket 144 are provided on the side surfaces of the second mounting plate 141, respectively. The workbench 100 is provided with a divider 400, the divider 400 is provided with a first driving wheel 410 and a second driving wheel 420 which are in driving connection with the divider, and the first driving wheel 410 is in linkage connection with the second sprocket 144, the tensioning sprocket 143 and the first sprocket 143. The thread trimming device 145, the two corresponding blocking wheels 146, the nose feeding wheel 147 and the punching mechanism 148 are sequentially disposed on the other side surface of the second mounting plate 141.

Referring to fig. 11, the wire arranging device 145 includes a wire arranging mounting plate 1451 fixed on the second mounting plate 141, a first fixing block 1452 fixed on a side surface of the wire arranging mounting plate 1451, a wire arranging adjusting screw 1453 penetrating through the first fixing block 1452, a wire arranging adjusting slider 1454 screwed with the wire arranging adjusting screw 1453, a first wire arranging wheel 1455 provided on the wire arranging adjusting slider 1454, and a plurality of second wire arranging wheels 1456 provided on the wire arranging mounting plate, wherein the second wire arranging wheels 1456 are arranged around the first wire arranging wheel 1455. The nose delivering wire wheel 147 is provided with a nose wire wheel driving shaft 1471 for driving the nose wire wheel 147 to rotate, the nose wire wheel driving shaft 1471 is connected with the first sprocket 142, and a feeding driven wheel 149 matched with the nose wire wheel 147 is arranged below the nose wire wheel 147. The punching mechanism 148 includes a cutter driving shaft 1481 connected to the second sprocket 144, a cutter link block 1482 provided on the cutter driving shaft 1481, and a punching blade 1483 provided at an end of the cutter link block 1482, the punching blade 1483 being rotatably connected to the cutter link block 1482.

Referring to fig. 7-10, the nose wire pushing mechanism 15 includes a third mounting plate 151 fixedly disposed on the workbench 100, a slider-crank mechanism 152 disposed on the third mounting plate 151, a nose wire push plate 153 disposed at the end of the slider-crank mechanism 152, and a nose wire clamp block 154 fixedly disposed on the workbench 100. The crank block mechanism 152 is in driving connection with the second driving wheel 420; the nose clip block 154 is internally provided with a nose wire pushing hole 1541 penetrating through the nose wire pushing hole 1541 in the axial direction, a nose wire conveying hole 1542 communicated with the nose wire pushing hole 1541 and a cutter hole 1543 communicated with the nose wire conveying hole 1542, the nose wire push plate 153 is movably arranged in the nose wire pushing hole 1541, and the punching cutter 1483 is movably arranged in the cutter hole 1543; the top surface of the workbench 100 is also provided with a feeding opening for cloth to pass through, two corresponding first material passing rollers 113 are arranged between the two first portal frames 111, and the first material passing rollers 113 are arranged on one side of the tail end of the nose line clamp block 154 and are positioned above the feeding opening.

The nose line installation device 1 is used for pushing the nose line material belt between two layers of cloth after cutting off. The nose line mounting device 1 works as follows: after the multi-layer cloth enters the nose line installation device 1, a plurality of layers of cloth pass through the first cloth guide mechanism 11, and a plurality of layers of cloth pass through the second cloth guide mechanism 12. A motor for driving the divider 400 is arranged in the mounting chamber 110, a first transmission shaft 500 is arranged on the workbench 100, one end of the first transmission shaft 500 is in driving connection with the motor in a sprocket transmission mode, and the other end of the first transmission shaft 500 is in driving connection with the divider 400 in a gear transmission mode. The first driving wheel 410 on the divider 400 drives the second sprocket 144, the tension sprocket 143, and the first sprocket 142 to intermittently move through one chain. The first sprocket 142 drives the nose feeding wheel 147 to rotate through the nose wheel driving shaft 1471, and a nose feeding material belt is clamped between the nose feeding wheel 147 and the feeding driven wheel 149, so that the nose feeding material belt is fed forward when the nose feeding wheel 147 rotates. Meanwhile, the nose line unreeling device 133 unreels the nose line material belt, the nose line material belt enters the line reeling device 145 after passing through the nose line tensioning wheel 135 and the nose line guide wheel 137, the nose line passes through the space between the first line reeling wheel 1455 and the second line reeling wheel 1456, and the nose line material belt after line reeling passes through the space between the two corresponding blocking wheels 146 and then enters the nose line conveying hole 1452 through the driving of the nose line feeding wheel 147. The second sprocket 144 is rotated by the cutter drive shaft 1481 and the cutter drive shaft 1481 drives the punch cutter 1483 up and down through the cutter link block 1482, cutting the nose line material strip into a length of nose line as the punch cutter 1483 moves in the cutter aperture 1543, and the nose line material strip continuing to feed forward ejects the nose line into the nose line pushing aperture 1541. The second driving wheel 420 on the divider 400 drives the crank block mechanism to move 152 in a sprocket transmission mode, the nose line push plate 153 on the crank block mechanism 152 reciprocates back and forth, and the nose line in the nose line push hole 1541 is pushed between two layers of cloth. The cloth on the first cloth guide mechanism 11 is conveyed between the two first passing rollers 113, the cloth on the second cloth guide mechanism 12 is conveyed between the two first passing rollers 113 through the feed opening, and after the layers of cloth are stacked, the cloth is output to the welding device 2.

Referring to fig. 5 and 12, the welding device 2 includes a welding wheel mechanism 21, a first cutter wheel mechanism 22, and a first material pulling wheel mechanism 23 sequentially disposed on the table 100. The welding wheel mechanism 21 comprises two symmetrically arranged welding wheel mounting plates 211, and a plurality of second passing rollers 212 and first welding wheels 213 are sequentially arranged from bottom to top. The end of the first fusing wheel 213 is provided with a first transmission member 214 for driving the first fusing wheel 213 to rotate, and a motor for driving the fusing wheel mechanism 21 is arranged in the installation chamber 110 and is in driving connection with the first transmission member 214 in a sprocket driving manner. Two ends of the second passing roller 212 are respectively and rotatably connected with two welding wheel mounting plates 211. The welding wheel mounting plates 211 are respectively provided with a first sliding block 215 which is in sliding connection with the welding wheel mounting plates, and two ends of the first welding wheel 213 are respectively in rotary connection with the two first sliding blocks 215. The welding wheel mounting plates 211 are respectively provided with a first adjusting screw rod 216 in threaded connection with the welding wheel mounting plates, and the tail ends of the first adjusting screw rods 216 are connected with the first sliding blocks 215. The first adjusting screw 216 is provided with a first adjusting hand wheel 217.

Referring to fig. 5, 13 and 14, the first cutter wheel mechanism 22 includes two cutter wheel mounting plates 221, a first cutter pad wheel 222, a first cutter wheel 223 and a first pressure shaft 224, which are symmetrically arranged; the two cutter wheel mounting plates 221 are sequentially provided with a second slider 225, a third slider 226 and a fourth slider 227 which are in sliding connection with the two cutter wheel mounting plates from bottom to top, two ends of the first cutter wheel 222 are respectively and rotatably connected with the two second sliders 225, two ends of the first cutter wheel 223 are respectively and rotatably connected with the two third sliders 226, and two ends of the first pressure shaft 224 are respectively and rotatably connected with the two fourth sliders 227; the third slider 226 is in threaded connection with the fourth slider 227, a first pressure sensor 228 is arranged at the top of the fourth slider 227, a second adjusting screw 229 in threaded connection with the cutter wheel mounting plate 221 is further arranged on the cutter wheel mounting plate 221, and the tail end of the second adjusting screw 229 is connected with the first pressure sensor 228; a second adjusting hand wheel 2291 is arranged on the second adjusting screw 229; one end of the first cutter wheel 223 is provided with a second transmission member 2231 for driving the first cutter wheel 223 to rotate, and a motor for driving the first cutter wheel mechanism 22 is arranged in the mounting chamber 110 and is in driving connection with the second transmission member 2231 in a sprocket transmission manner. The other end of the first cutter wheel 223 is provided with a cutter sensing disc 2232, and the third slider 226 is fixedly provided with a cutter sensor 2261 corresponding to the cutter sensing disc 2232.

Referring to fig. 5 and 15, the first material pulling mechanism 23 includes two corresponding material pulling wheel mounting plates 231, and a first material pulling wheel 232 and a second material pulling wheel 233 sequentially disposed from bottom to top, a third transmission member 234 for driving the first material pulling wheel 232 to rotate is sequentially disposed at the end of the first material pulling wheel 232, and a motor for driving the first material pulling mechanism 23 is disposed in the mounting chamber 110 and is in driving connection with the third transmission member 234 in a sprocket driving manner. A fourth transmission member 235 meshed with the third transmission member 234 is arranged at the tail end of the second pulling wheel 233; two ends of the first pulling wheel 232 are respectively and rotatably connected with two pulling wheel mounting plates 231; the two material pulling wheel mounting plates 231 are respectively provided with a fifth sliding block 236 in sliding connection with the two material pulling wheel mounting plates, two ends of the second material pulling wheel 233 are respectively in rotational connection with the two fifth sliding blocks 236, a first adjusting shaft 237 sequentially penetrates through the two fifth sliding blocks 236, the material pulling wheel mounting plates 231 are provided with first clamping plates 238 in threaded connection with the first clamping plates, the first adjusting shaft 237 is provided with a first notch, and the first clamping plates 238 are embedded into the first notch; the top surface of the fifth slider 236 is fixedly provided with a first spring seat 2361, the top of the pulling wheel mounting plate 231 is provided with a third adjusting screw 239 in threaded connection with the pulling wheel mounting plate, the tail end of the third adjusting screw 239 is provided with a second spring seat 2391, and a first spring 2362 is arranged between the first spring seat 2361 and the second spring seat 2391.

The action principle of the welding device is as follows: the laminated cloth is sequentially welded with a wheel mechanism 21, a first cutter wheel mechanism 22 and a first material pulling wheel mechanism 23. The cloth passes through first fusion wheel 213 and second material roller 212, and first fusion wheel 213 welds the line of gauze mask with the multilayer cloth through ultrasonic welding's mode. The first adjusting screw rod 216 is rotated through the first adjusting hand wheel 217, and the first sliding block 215 is driven by the first adjusting screw rod 216 to slide up and down, so that the position of the first welding wheel 213 is adjusted, the welding wheel mechanism 21 can be suitable for cloth with various thicknesses, and production and debugging of workers are facilitated.

The cloth continues to pass between the first cutter wheel 223 and the first pressure shaft 224, the surface of the first cutter wheel 223 is provided with a cutting edge in the shape of a mask, and when the first cutter wheel 223 rotates, the first cutter wheel 223 cuts one side surface of the cloth into the shape of the mask.

The cloth continues to be output between the first pulling wheel 232 and the second pulling wheel 233, and the first pulling wheel 232 and the second pulling wheel 233 are rubber rollers which drive the cloth to be conveyed by friction force. When the first pulling wheel 232 and the second pulling wheel 233 rotate, the cloth is driven to be sent forward. The first adjusting shaft 237 is rotated, and the first clamping plate 238 enables the fifth sliding block 236 to move up and down through the first adjusting shaft 237, so that the gap between the first material pulling wheel 232 and the second material pulling wheel 233 is adjusted, the first material pulling wheel mechanism 23 can be suitable for cloth with various thicknesses, and production and debugging of workers are facilitated.

Referring to fig. 16-23, the first ear band mounting device 3a and the second ear band mounting device 3b respectively include an ear band feeding mechanism 31, an ear band cutting mechanism 32, and an ear band welding mechanism 33; the ear belt feeding mechanism 31 comprises a fourth mounting plate 311, a feeding motor 312 arranged on the side surface of the fourth mounting plate 311, a feeding driving wheel 313 in driving connection with the feeding motor 311, a feeding driven wheel 314 arranged on one side of the feeding driving wheel 313, a plurality of ear belt guide wheels 315 arranged on the fourth mounting plate 311 and an ear belt tensioning mechanism 316 arranged on the fourth mounting plate 311, wherein the ear belt tensioning mechanism 316 comprises a first guide post 3161 fixedly arranged on the fourth mounting plate 311 and an ear belt tensioning wheel 3162 in sliding connection with the first guide post 3161.

The ear strap welding mechanism 33 comprises a first mounting frame 331, a first air cylinder 332 fixedly arranged on the first mounting frame 331, two welding columns 333 in driving connection with the first air cylinder 332, and first welding heads 334 respectively arranged at the tail ends of the welding columns 333; the welding cylinder 333 is further provided with a welding mounting frame 34 slidably connected with the welding cylinder 333, and the welding mounting frame 34 is provided with a second cylinder 341, a third cylinder 342 and a second motor 343. The welding mounting frame 34 is further provided with a rotating column 345 in driving connection with the second motor 343, the rotating column 345 penetrates through the welding mounting frame 34, the tail end of the rotating column is provided with a rotating plate 346, two ends of the rotating plate 346 are respectively provided with an ear strap supporting frame 3461, and two sides of the rotating plate 346 are respectively provided with two corresponding elastic hooks 3462 in rotating connection with the rotating plate. The second cylinder 341 is provided with two stoppers 347 in driving connection therewith, and the two stoppers 347 drive the elastic hook 3462 to be clung to the side surface of the rotating plate 346 when moving downwards; the third cylinder 342 is provided with a wire bending plate 348 in driving connection therewith. A first ultrasonic transducer 35 is arranged on the top surface of the mounting chamber 110, and the first ultrasonic transducer 35 is arranged below the first welding head 334; the ear belt cutting mechanism 32 comprises a scissors mounting plate 321, a scissors driving cylinder 322 arranged on the scissors mounting plate 321, and a pneumatic scissors 323 arranged on a piston rod of the scissors driving cylinder 322, wherein the scissors driving cylinder 322 drives the pneumatic scissors 323 to extend into/withdraw from the middle of the two corresponding elastic hooks 3462.

The first ear band mounting device 3a and the second ear band mounting device 3b are used for welding a left ear band and a right ear band on cloth, and the working principle of the first ear band mounting device 3a is as follows: the ear belt material passes through the feeding driving wheel 313 and the feeding driven wheel 314, the feeding motor 312 drives the feeding driving wheel 313 to rotate, the feeding driving wheel 313 drives the ear belt material to feed forward, and the ear belt material sequentially passes through the ear belt tensioning wheel 3162 and the ear belt guiding wheel 315 and is output to the rotating plate 346 through the material belt guiding wheel 349 arranged on the welding mounting frame 34. The ear band material is looped around the rotation plate 346 and the ear band supporting frame 3461, and the elastic hook 3462 hooks the ear band material. The second cylinder 341 drives the two stoppers 347 to move downwards, and when the two stoppers 347 move downwards, the two elastic hooks 3462 are driven to be clung to the side surface of the rotating plate 346 and compress the ear band on the surface of the rotating plate 346, meanwhile, the scissors driving cylinder 322 drives the pneumatic scissors 323 to extend into the middle of the two corresponding elastic hooks 3462, the pneumatic scissors 323 shear the ear band, and the ear band is provided with two thread ends after being sheared. Then, the third air cylinder 342 drives the wire pressing bending plate 348 to move downwards to press the earwire, and meanwhile, the first air cylinder 332 simultaneously drives the two first welding heads 334 to move downwards respectively, and the first welding heads 334 weld the two wire heads of the earbelt on one side of the cloth through the first ultrasonic transducer 35. After the welding is completed, the third air cylinder 342 drives the wire pressing bent plate 348 to move upwards, meanwhile, the two first air cylinders 332 respectively drive the two first welding heads 334 to move upwards at the same time, after the welding is completed, the wire ends of the ear belt materials are hooked on the elastic hooks 3462, the rotating plate 346 rotates for one circle and pulls the ear belt materials through the elastic hooks 3462, and the next cycle is continued.

Referring to fig. 24, the cover folding device 4 includes a second material pulling mechanism 41, a folding mechanism 42, and a vertical material pulling mechanism 43 sequentially disposed on the workbench 100. The second material pulling mechanism 41 has the same structure as the first material pulling mechanism 23. The folding mechanism 42 includes a positioning mechanism 44 and a folding plate 421 provided on the positioning mechanism 44 so as to be inclined upward. The positioning mechanism 44 includes a fourth adjusting screw 441 disposed on the workbench 100, an adjusting nut plate screwed with the fourth adjusting screw 441, and a second sliding plate 442 fixedly disposed on the adjusting nut plate, a supporting rod 443 rotatably connected with the second sliding plate 442 is disposed on the second sliding plate 442, and the other end of the supporting rod 443 is rotatably connected with the folding plate 421. The fourth adjusting screw 441 is provided with a third adjusting hand wheel 444. The second sliding plate 442 is further provided with two symmetrically arranged fifth mounting plates 422, the fifth mounting plates 422 are provided with fifth adjusting screws 423 in threaded connection with the fifth mounting plates 422, the bottom surface of the doubling plate 421 is provided with a plurality of shaft fixing blocks 424, an angle adjusting shaft 425 penetrates through the shaft fixing blocks 424, two ends of the angle adjusting shaft 425 are respectively connected with the two fifth adjusting screws 423, and the fifth adjusting screws 423 are provided with fifth adjusting handwheels 426.

Referring to fig. 26, the vertical pulling mechanism 43 includes a second mounting frame 431, a third pulling wheel 432 and a fourth pulling wheel 433. The two ends of the third pulling wheel 432 are respectively rotatably connected with the top and the bottom of the second mounting frame 431, the tail ends of the third pulling wheel 432 and the fourth pulling wheel 433 are respectively provided with pulling wheel driving shafts 439, the two pulling wheel driving shafts 439 are respectively provided with a first transmission gear 439 meshed with each other, the mounting chamber 110 is internally provided with a second transmission shaft 114 and a motor for driving the second transmission shaft 114 to rotate, the motor is in driving connection with the second transmission shaft 114 in a sprocket transmission manner, and the second transmission shaft 114 is in driving connection with one of the pulling wheel driving shafts 439 in a gear transmission manner. The top plate and the bottom plate of the second installation frame 431 are further provided with seventh sliding blocks 434 in sliding connection with the top plate and the bottom plate, two ends of the fourth pulling wheel 433 are respectively connected with the two seventh sliding blocks 434 in a rotating manner, a third spring seat is fixedly arranged on the seventh sliding blocks 434, two adjusting handles 435 are arranged on one side of the second installation frame 431, a fourth spring seat is arranged at the tail end of the adjusting handles 435, a third spring 436 is arranged between the third spring seat and the fourth spring seat, and the structures of the first spring seat, the second spring seat, the third spring seat and the fourth spring seat are identical. A second adjusting shaft 437 sequentially passes through the two seventh sliding blocks 434, a top plate and a bottom plate of the second mounting frame 431 are respectively provided with a second clamping plate 438 in threaded connection with the second sliding blocks, a second notch is formed in the second adjusting shaft 437, and the second clamping plates 438 are embedded into the second notch.

The principle of operation of the cover folding device 4 is as follows: in operation, the vertical pulling mechanism 43 pulls the cloth forward. The folding plate 421 is triangular and is inclined upwards, and the cloth is folded in half along the length direction in the process of conveying the cloth from the folding plate 421 to the vertical material pulling mechanism 43. The positioning mechanism 44 is used for adjusting the position of the folding plate 421, and the fourth adjusting screw 441 drives the second sliding plate 442 to slide on the workbench 100 by adjusting the nut plate, so that the vertex angle of the folding plate 421 on the second sliding plate 442 is aligned between the third drawing wheel 432 and the fourth drawing wheel 433. The fifth adjusting screw 423 is rotated, and the fifth adjusting screw 423 drives the angle adjusting shaft 425 to move up and down, so that the inclination angle of the folded plate 421 is adjusted. The folded cloth passes through the middle of the third drawing wheel 432 and the fourth drawing wheel 433, and the third drawing wheel 432 and the fourth drawing wheel 433 convey the cloth to the forming and welding device 5 when rotating.

Referring to fig. 27, the forming and welding device 5 includes a guide rail 51 disposed on the table 100, a third mounting frame 52 disposed on the guide rail 51, and a welding device 53 and a second ultrasonic transducer 54 disposed on two sides of the third mounting frame 52, respectively. The workbench 100 is further provided with a first screw rod 55 for driving the third mounting frame 52 to slide on the guide rail 51, and the third mounting frame 52 is further provided with a nut seat 56 screwed with the first screw rod 55. The welding device 53 includes a fourth air cylinder 531 fixedly disposed on the third mounting frame 52, and a welding plate 532 disposed on a piston rod of the fourth air cylinder 531.

The working principle of the forming and welding device 5 is as follows: when the cloth passes through the space between the welding device 53 and the second ultrasonic transducer 54, the fourth air cylinder 531 drives the welding plate 532 to move forward, the welding plate 532 is matched with the second ultrasonic transducer 54, the final ultrasonic forming and welding process is carried out on the cloth, and the mask welding is completed.

Referring to fig. 28 and 29, the product cutting device 6 includes a product guiding mechanism 61 and a vertical cutter wheel mechanism 62 sequentially disposed on the workbench 100, the product guiding mechanism 61 includes a fourth mounting frame 61, a third adjusting shaft 612, and a product guiding roller 613, connecting plates 614 are further disposed at the top and bottom of the fourth mounting frame 611, the third adjusting shaft 612 sequentially passes through two connecting plates 614, two first bevel gears 615 are disposed on the third adjusting shaft 612, sixth adjusting screws 616 screwed with the top and bottom of the fourth mounting frame 611 are further disposed at the top and bottom of the fourth mounting frame, two ends of the product guiding roller 613 are fixedly connected with the two sixth adjusting screws 616, and second bevel gears 617 meshed with the first bevel gears 615 are disposed at the ends of the sixth adjusting screws 616. The product guiding mechanism 61 is used for adjusting the conveying direction of the cloth, and its working principle is as follows: the third adjusting shaft 612 is rotated, the first bevel gear 615 on the third adjusting shaft 612 drives the sixth adjusting screw 616 to rotate through the second bevel gear 617, the sixth adjusting screw 616 transversely moves relative to the fourth mounting frame 611 and drives the finished product guide roller 613 to transversely move when rotating, and when the cloth is conveyed forwards, the side surface of the cloth is tightly attached to the surface of the finished product guide roller 613, and the purpose of adjusting the conveying direction of the cloth is achieved by adjusting the position of the finished product guide roller 613.

Referring to fig. 30, the vertical cutter wheel mechanism 62 includes a fifth mounting frame 621, a second cutter pad wheel 622, a second cutter wheel 623, and a second pressure shaft 624, wherein an eighth slider 625, a ninth slider 626, and a tenth slider 627 are sequentially disposed on the top and bottom of the fifth mounting frame 621, and two ends of the second cutter pad wheel 622 are respectively rotatably connected with two of the eighth sliders 625. Two ends of the second cutter wheel 623 are respectively rotatably connected with two ninth sliders 626. The two ends of the second pressure shaft 624 are respectively connected with two tenth sliders 627 in a rotating way, the ninth sliders 626 are in threaded connection with the tenth sliders 627, tenth adjusting screws 628 in threaded connection with the top and the bottom of the fifth mounting frame 621 are further respectively arranged at the top and the bottom of the fifth mounting frame 621, a sixth adjusting hand wheel 6281 and a second pressure sensor 629 are arranged on the tenth adjusting screws 628, and the second pressure sensor 629 is tightly attached to the end face of the tenth sliders 627. Two corresponding ear strap trays 6211 are also provided on the side of the fifth mounting frame 621. The installation cavity 110 is internally provided with a third transmission shaft 115 and a motor for driving the third transmission shaft 115 to rotate, and the motor is in driving connection with the third transmission shaft 115 in a sprocket transmission mode. The second cutter wheel 623 is provided with a cutter wheel drive shaft 6231, which cutter wheel drive shaft 6231 is in driving connection with the third drive shaft 115 by means of a gear transmission. The top of the second cutter wheel 623 and the second cutter wheel 622 are respectively provided with second transmission gears 6221 and 6232 which are meshed with each other.

The working principle of the finished product cutting device 6 is as follows: the cloth passes through the two corresponding ear belt supporting plates 6211 and then enters between the second cutter wheel 623 and the second cutter pad wheel 622, and the ear belt supporting plates 6211 pull the ear belt out and cling to the specific position of the cloth, so that the cutting edge on the second cutter wheel 623 is avoided, and the cloth is prevented from being cut in the subsequent cutting process. The second cutter wheel 623 will cut the shaped mask from the cloth.

Referring to fig. 28 and 31, the discharging device 7 includes a discharging wheel mechanism 71 disposed at the end of the table 100 and a waste pulling mechanism 72 disposed at one side of the table 100, the discharging wheel mechanism 71 includes a sixth mounting frame 711, a first discharging roller 712 and a second discharging roller 713, and two ends of the first discharging roller 712 and the second discharging roller 713 are respectively rotatably connected with the top and the bottom of the sixth mounting frame 711; the top and bottom of the sixth mounting frame 711 are respectively provided with a sixth mounting plate 714, and a plurality of discharging rollers 715 are arranged between the two sixth mounting plates 714. The installation cavity 110 is internally provided with a fourth transmission shaft 116 and a motor for driving the fourth transmission shaft 116 to rotate, and the motor is in driving connection with the fourth transmission shaft 116 in a sprocket transmission mode. The first discharging roller 712 is provided with a discharging roller driving shaft 7121, and the discharging roller driving shaft 7121 is in driving connection with the fourth driving shaft 116 in a gear transmission manner.

Referring to fig. 32, the scrap pulling mechanism 72 includes two seventh mounting plates 721, and a seventh pulling wheel 722 and an eighth pulling wheel 723 disposed between the two seventh mounting plates 721, wherein two ends of the seventh pulling wheel 722 and the eighth pulling wheel 723 are respectively rotatably connected to the two seventh mounting plates 721. A motor for driving the seventh drawing wheel 722 to rotate is arranged in the mounting chamber 110, and is in driving connection with a driving sprocket 7221 on the seventh drawing wheel 722 in a sprocket driving mode.

The cut-off finished product passes through the middle of the first discharging roller 712 and the second discharging roller 713, the mask finished product is output, and the leftover materials pass through the space between the seventh pulling wheel 722 and the eighth pulling wheel 723, and the seventh pulling wheel 722 and the eighth pulling wheel 723 pull the waste materials. Thus, the mask processing is completed.

The working principle of the high-speed folding mask machine is that an active discharging device 200 is used for unreeling a plurality of cloth materials and then feeding the cloth materials into a nose line mounting device 1, a nose line discharging mechanism 13 is used for unreeling nose line material belts, a nose line cutting mechanism 14 is used for cutting the nose line material belts into equal-length nose lines, a nose line pushing mechanism 15 is used for pushing the nose lines into a plurality of layers of cloth materials, a first material pulling wheel mechanism 23 is used for pulling the cloth materials into a welding device 21, the welding wheel mechanism 21 is used for integrally welding the plurality of layers of cloth materials through ultrasonic waves, a first ear belt mounting device 3a and a second ear belt mounting device 3b are used for respectively welding two ear belts on the cloth materials through ultrasonic waves, a mask body doubling device 4 is used for doubling the cloth materials, a forming welding device 5 is used for welding edges of the cloth materials, a finished mask cutting device 6 is used for cutting the formed mask from the cloth materials, and finally the mask is output from a discharging device 7, and mask production is completed. The high-speed folding mask machine is used for automatically producing masks and has the advantages of labor saving, high automation degree and high production efficiency.

The present invention is not limited to the above embodiments, and all modes of achieving the object of the present invention by adopting the structure and method similar to those of the present invention are within the scope of the present invention.

Claims

1. The utility model provides a high-speed folding mask machine, includes the workstation, be equipped with installation cavity in the workstation, its characterized in that: one side of the workbench is provided with an active discharging device, and the workbench is also provided with a nose line installation device, a welding device, a first ear belt installation device, a second ear belt installation device, a cover body doubling device, a forming welding device, a finished product cutting device and a discharging device in sequence;

the active discharging device comprises a cabinet body, a plurality of cloth unwinding devices arranged on the side surface of the cabinet body, a plurality of first motors in driving connection with the cloth unwinding devices, a plurality of first cloth guide rollers arranged on one side of the cloth unwinding devices, a cloth tensioning mechanism arranged below the first cloth guide rollers and a cloth flattening mechanism arranged on the side edge of the cabinet body; the cloth flattening mechanism comprises a clamping piece mounting frame and clamping pieces arranged on the clamping piece mounting frame, wherein bending parts are arranged on two sides of the clamping pieces, and a cloth gap for clamping cloth is formed by the bending parts and the clamping pieces; the cloth tensioning mechanism comprises a rotating rod which is rotationally connected with the cabinet body, a plurality of second cloth guide rollers are arranged on the rotating rod, and the second cloth guide rollers are positioned below the first cloth guide rollers; the tail end of the rotating rod is also provided with a limiting rod, and the tail end of the limiting rod is connected to the side face of the cabinet body.

2. The high-speed folding mask machine according to claim 1, wherein: the nose line installation device comprises a first cloth guide mechanism, a second cloth guide mechanism, a nose line discharging mechanism, a nose line cutting mechanism and a nose line pushing mechanism; the first cloth guide mechanism comprises two first portal frames symmetrically arranged on the top surface of the workbench and a plurality of third cloth guide rollers arranged between the two first portal frames; the second cloth guide mechanism comprises two first mounting plates symmetrically arranged on the top surface of the mounting cavity and a plurality of fourth cloth guide rollers arranged between the two first mounting plates; the nose line discharging mechanism comprises a second portal frame, a mounting box body fixedly arranged on the second portal frame and a nose line unreeling device rotationally connected with the mounting box body, wherein a first rotating arm rotationally connected with the mounting box body is arranged on the mounting box body, and a nose line tensioning wheel rotationally connected with the first rotating arm is arranged on the first rotating arm; the first mounting arm is fixedly arranged on the second portal frame, and a nose line guide wheel which is rotationally connected with the first mounting arm is arranged on the first mounting arm; the nose line cutting mechanism comprises a second mounting plate, a first sprocket, a tensioning sprocket, a second sprocket, a line arrangement device, two corresponding withdrawal wheels, a nose line feeding wheel and a punching mechanism; the first sprocket, the tensioning sprocket and the second sprocket are respectively arranged on the side face of the second mounting plate; the workbench is provided with a divider, the divider is provided with a first driving wheel and a second driving wheel which are in driving connection with the divider, and the first driving wheel is in linkage connection with the second sprocket, the tensioning sprocket and the first sprocket; the wire arranging device, the two corresponding blocking wheels, the nose wire feeding wheel and the punching mechanism are sequentially arranged on the other side surface of the second mounting plate; the wire trimming device comprises a wire trimming mounting plate fixedly arranged on the second mounting plate, a first fixing block fixedly arranged on the side surface of the wire trimming mounting plate, a wire trimming adjusting screw rod penetrating through the first fixing block, a wire trimming adjusting slide block screwed with the wire trimming adjusting screw rod, a first wire trimming wheel arranged on the wire trimming adjusting slide block and a plurality of second wire trimming wheels arranged on the wire trimming mounting plate, wherein the second wire trimming wheels are arranged around the first wire trimming wheel; the nose wire feeding wheel is provided with a nose wire wheel driving shaft for driving the nose wire wheel to rotate, the nose wire wheel driving shaft is connected with the first chain wheel, and a feeding driven wheel matched with the nose wire wheel is arranged below the nose wire feeding wheel; the punching mechanism comprises a cutter driving shaft connected with the second chain wheel, a cutter connecting block arranged on the cutter driving shaft and a punching cutter arranged at the tail end of the cutter connecting block, and the punching cutter is rotationally connected with the cutter connecting block; the nose line pushing mechanism comprises a third mounting plate fixedly arranged on the workbench, a crank block mechanism arranged on the third mounting plate, a nose line push plate arranged at the tail end of the crank block mechanism and a nose line clamping block fixedly arranged on the workbench; the crank block mechanism is in driving connection with the second driving wheel; the nose wire clamp block is internally provided with a nose wire pushing hole penetrating through the nose wire clamp block in the axial direction, a nose wire conveying hole communicated with the nose wire pushing hole and a cutter hole communicated with the nose wire conveying hole, the nose wire push plate is movably arranged in the nose wire pushing hole, and the punching cutter is movably arranged in the cutter hole; the top surface of the workbench is also provided with a feeding opening for cloth to pass through, two corresponding first feeding rollers are arranged between the two first portal frames, and the first feeding rollers are arranged on one side of the tail end of the nose wire clamp block and are positioned above the feeding opening.

3. The high-speed folding mask machine according to claim 1, wherein: the welding device comprises a welding wheel mechanism, a first cutting wheel mechanism and a first material pulling wheel mechanism which are sequentially arranged on the workbench; the welding wheel mechanism comprises two symmetrically arranged welding wheel mounting plates, and a plurality of second material passing rollers and first welding wheels are sequentially arranged from bottom to top; the end part of the first welding wheel is provided with a first transmission part for driving the first welding wheel to rotate; two ends of the second passing roller are respectively and rotatably connected with the two welding wheel mounting plates; the welding wheel mounting plates are respectively provided with a first sliding block in sliding connection with the welding wheel mounting plates, and two ends of the first welding wheel are respectively and rotatably connected with the two first sliding blocks; the welding wheel mounting plates are also respectively provided with a first adjusting screw rod in threaded connection with the welding wheel mounting plates, and the tail ends of the first adjusting screws are connected with the first sliding blocks; a first adjusting hand wheel is arranged on the first adjusting screw rod; the first cutter wheel mechanism comprises two cutter wheel mounting plates, a first cutter cushion wheel, a first cutter wheel and a first pressure shaft which are symmetrically arranged; the two cutter wheel mounting plates are sequentially provided with a second slider, a third slider and a fourth slider which are in sliding connection with the cutter wheel mounting plates from bottom to top, two ends of the first cutter wheel are respectively and rotatably connected with the two second sliders, two ends of the first cutter wheel are respectively and rotatably connected with the two third sliders, and two ends of the first pressure shaft are respectively and rotatably connected with the two fourth sliders; the third sliding block is in threaded connection with the fourth sliding block, a first pressure sensor is arranged at the top of the fourth sliding block, a second adjusting screw rod in threaded connection with the cutter wheel mounting plate is further arranged on the cutter wheel mounting plate, and the tail end of the second adjusting screw rod is connected with the first pressure sensor; a second adjusting hand wheel is arranged on the second adjusting screw rod; one end of the first cutter wheel is provided with a second transmission part for driving the first cutter wheel to rotate, the other end of the first cutter wheel is provided with a cutter induction disc, and the third slider is fixedly provided with a cutter inductor corresponding to the cutter induction disc; the first material pulling wheel mechanism comprises two corresponding material pulling wheel mounting plates, a first material pulling wheel and a second material pulling wheel which are sequentially arranged from bottom to top, a third transmission part for driving the first material pulling wheel to rotate is sequentially arranged at the tail end of the first material pulling wheel, and a fourth transmission part meshed with the third transmission part is arranged at the tail end of the second material pulling wheel; two ends of the first material pulling wheel are respectively and rotatably connected with two material pulling wheel mounting plates; the two material pulling wheel mounting plates are respectively provided with a fifth sliding block in sliding connection with the two material pulling wheel mounting plates, two ends of the second material pulling wheel are respectively connected with the two fifth sliding blocks in a rotating way, a first adjusting shaft sequentially penetrates through the two fifth sliding blocks, the material pulling wheel mounting plates are provided with first clamping plates in threaded connection with the first clamping plates, the first adjusting shafts are provided with first gaps, and the first clamping plates are embedded into the first gaps; the top surface of the fifth sliding block is fixedly provided with a first spring seat, the top of the material pulling wheel mounting plate is provided with a third adjusting screw connected with the top of the material pulling wheel mounting plate in a threaded mode, the tail end of the third adjusting screw is provided with a second spring seat, and a first spring is arranged between the first spring seat and the second spring seat.

4. The high-speed folding mask machine according to claim 1, wherein: the first ear belt installation device and the second ear belt installation device respectively comprise an ear belt feeding mechanism, an ear belt cutting mechanism and an ear belt welding mechanism; the ear belt feeding mechanism comprises a fourth mounting plate, a feeding motor arranged on the side surface of the fourth mounting plate, a feeding driving wheel in driving connection with the feeding motor, a feeding driven wheel arranged on one side of the feeding driving wheel, a plurality of ear belt guide wheels arranged on the fourth mounting plate and an ear belt tensioning mechanism arranged on the fourth mounting plate, wherein the ear belt tensioning mechanism comprises a first guide pillar fixedly arranged on the fourth mounting plate and an ear belt tensioning wheel in sliding connection with the first guide pillar; the ear strap welding mechanism comprises a first mounting frame, a first air cylinder fixedly arranged on the first mounting frame, two welding cylinders in driving connection with the first air cylinder and first welding heads respectively arranged at the tail ends of the welding cylinders; the welding cylinder is also provided with a welding installation frame which is connected with the welding cylinder in a sliding way, and the welding installation frame is provided with a second air cylinder, a third air cylinder and a second motor; the welding installation frame is also provided with a rotary column body in driving connection with the second motor, the rotary column body penetrates through the welding installation frame, the tail end of the rotary column body is provided with a rotary plate, two ends of the rotary plate are respectively provided with an ear belt supporting frame, and two sides of the rotary plate are respectively provided with two corresponding elastic hooks in rotary connection with the rotary plate; the second cylinder is provided with two stop blocks which are in driving connection with the second cylinder, and the elastic hooks are driven to be clung to the side surfaces of the rotating plate when the two stop blocks move downwards; the third cylinder is provided with a line pressing bent plate in driving connection with the third cylinder; the top surface of the mounting cavity is provided with a first ultrasonic transducer which is arranged below the first welding head; the ear belt cutting mechanism comprises a scissors mounting plate, a scissors driving cylinder arranged on the scissors mounting plate and pneumatic scissors arranged on a piston rod of the scissors driving cylinder, wherein the scissors driving cylinder drives the pneumatic scissors to extend into/withdraw from the middle of two corresponding elastic hooks.

5. The high-speed folding mask machine according to claim 1, wherein: the cover body doubling-up device comprises a second material pulling wheel mechanism, a doubling-up mechanism and a vertical material pulling mechanism which are sequentially arranged on the workbench, and the second material pulling wheel mechanism is identical to the first material pulling wheel mechanism in structure; the folding mechanism comprises a positioning mechanism and a folding plate which is arranged on the positioning mechanism in an upward inclined manner; the positioning mechanism comprises a fourth adjusting screw rod arranged on the workbench, an adjusting nut plate in threaded connection with the fourth adjusting screw rod and a second sliding plate fixedly arranged on the adjusting nut plate, a supporting rod in rotary connection with the second sliding plate is arranged on the second sliding plate, and the other end of the supporting rod is in rotary connection with the doubling plate; a third adjusting hand wheel is arranged on the fourth adjusting screw rod; the second sliding plate is also provided with two symmetrically arranged fifth mounting plates, the fifth mounting plates are provided with fifth adjusting screws, the bottom surfaces of the pair of folded plates are provided with a plurality of shaft fixing blocks, an angle adjusting shaft penetrates through the shaft fixing blocks, two ends of the angle adjusting shaft are respectively connected with the two fifth adjusting screws, and the fifth adjusting screws are provided with fifth adjusting handwheels; the vertical material pulling mechanism comprises a second mounting frame, a third material pulling wheel and a fourth material pulling wheel; two ends of the third material pulling wheel are respectively and rotatably connected with the top and the bottom of the second installation frame, and a material pulling wheel driving shaft is arranged at the tail end of the third material pulling wheel; the top plate and the bottom plate of the second installation frame are further respectively provided with a seventh sliding block in sliding connection with the seventh sliding block, two ends of the fourth material pulling wheel are respectively connected with the two seventh sliding blocks in a rotating mode, a third spring seat is fixedly arranged on the seventh sliding block, one side of the second installation frame is provided with two adjusting handles, the tail end of each adjusting handle is provided with a fourth spring seat, a third spring is arranged between each third spring seat and each fourth spring seat, a second adjusting shaft sequentially penetrates through the two seventh sliding blocks, the top plate and the bottom plate of the second installation frame are further respectively provided with a second clamping plate in threaded connection with the second clamping plates, and a second notch is formed in each second adjusting shaft and is embedded into the second notch.

6. The high-speed folding mask machine according to claim 1, wherein: the forming welding device comprises a guide rail arranged on the workbench, a third mounting frame arranged on the guide rail, a welding device and a second ultrasonic transducer which are respectively arranged at two sides of the third mounting frame, a first screw rod for driving the third mounting frame to slide on the guide rail is further arranged on the workbench, and a nut seat in threaded connection with the first screw rod is further arranged on the third mounting frame; the welding device comprises a fourth air cylinder fixedly arranged on the third installation frame and a welding plate arranged on a piston rod of the fourth air cylinder.

7. The high-speed folding mask machine according to claim 1, wherein: the finished product cutting device comprises a finished product guide mechanism and a vertical cutter wheel mechanism which are sequentially arranged on the workbench, wherein the finished product guide mechanism comprises a fourth installation frame, an adjusting shaft and a finished product guide roller, the top and the bottom of the fourth installation frame are also respectively provided with connecting plates, the adjusting shaft sequentially passes through the two connecting plates, the adjusting shaft is provided with two first bevel gears, the top and the bottom of the fourth installation frame are also respectively provided with a sixth adjusting screw connected with the fourth installation frame in a threaded manner, two ends of the finished product guide roller are respectively connected with the two sixth adjusting screws, and the tail end of the sixth adjusting screw is provided with a second bevel gear meshed with the first bevel gear; the vertical cutter wheel mechanism comprises a fifth installation frame, a second cutter pad wheel, a second cutter wheel and a second pressure shaft, wherein an eighth sliding block, a ninth sliding block and a tenth sliding block are sequentially arranged at the top and the bottom of the fifth installation frame, and two ends of the second cutter pad wheel are respectively connected with the two eighth sliding blocks in a rotating way; two ends of the second cutter wheel are respectively connected with the two ninth sliding blocks in a rotating way; the two ends of the second pressure shaft are respectively connected with the two tenth sliding blocks in a rotating way, the ninth sliding blocks are in threaded connection with the tenth sliding blocks, tenth adjusting screws in threaded connection with the ninth sliding blocks are further arranged at the top and the bottom of the fifth installation frame respectively, a sixth adjusting hand wheel and a second pressure sensor are arranged on the tenth adjusting screws, and the second pressure sensor is tightly attached to the end face of the tenth sliding blocks; two corresponding ear belt supporting plates are arranged on the side face of the fifth installation frame.

8. The high-speed folding mask machine according to claim 1, wherein: the discharging device comprises a discharging wheel mechanism arranged at the tail end of the workbench and a waste pulling mechanism arranged at one side of the workbench, the discharging wheel mechanism comprises a sixth mounting frame, a first discharging roller and a second discharging roller, and two ends of the first discharging roller and the second discharging roller are respectively and rotatably connected with the top and the bottom of the sixth mounting frame; the top and the bottom of the sixth installation frame are respectively provided with a sixth installation plate, and a plurality of discharging rollers are arranged between the two sixth installation plates; the waste pulling mechanism comprises two seventh mounting plates, a seventh material pulling wheel and an eighth material pulling wheel, wherein the seventh material pulling wheel and the eighth material pulling wheel are arranged between the two seventh mounting plates, and two ends of the seventh material pulling wheel and the eighth material pulling wheel are respectively connected with the two seventh mounting plates in a rotating mode.