CN216658968U

CN216658968U - Full-automatic N95 mask machine

Info

Publication number: CN216658968U
Application number: CN202123354055.7U
Authority: CN
Inventors: 南振
Original assignee: Jiangsu Changmu Intelligent Equipment Co ltd
Current assignee: Jiangsu Changmu Intelligent Equipment Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-06-03
Anticipated expiration: 2031-12-29

Abstract

The utility model discloses a full-automatic N95 mask machine, which comprises: the device comprises a rack, and a discharge mechanism, a nose bridge strip installation mechanism, a rolling mechanism, an ear band welding mechanism, a folding mechanism, a forming and welding mechanism, a cutting mechanism and a waste recovery mechanism which are sequentially arranged on the rack from front to back; the nose bridge mounting mechanism is used for cutting the nose bridge into a certain length and inserting the nose bridge between the multiple layers of cloth conveyed in place, and the rolling mechanism can roll outline patterns on the multiple layers of cloth and position the nose bridge; ear area welding mechanism is used for welding out left and right sides ear area on the multilayer cloth after the rolling, shaping welding mechanism is used for carrying out weld forming to the warp the multilayer cloth after the fifty percent discount mechanism fifty percent discount, and by cut out by cutting mechanism. This full-automatic N95 gauze mask machine can realize full automation processing operation, improves production efficiency to can make the quality of gauze mask effectively ensured.

Description

Full-automatic N95 mask machine

Technical Field

The utility model relates to the technical field of mask machines, in particular to a full-automatic N95 mask machine.

Background

The N95 mask adopts polypropylene which is nontoxic, tasteless, non-allergic, non-irritant, free of any toxic and harmful substance and glass fiber as a main raw material, and has the characteristics of high-efficiency filtration, low toxicity prevention, peculiar smell removal, ventilation, comfort, sanitation, convenience, safety and attractiveness. Wherein "N" indicates oil-proof, and "95" indicates that the particle concentration inside the mask is 95% or more lower than the particle concentration outside the mask when exposed to a predetermined number of special test particles.

The N95 mask is manufactured by discharging multiple layers of non-woven fabrics by using a mask machine, and sequentially passing through nose bridge strips, hot pressing, ear band welding, folding, welding forming, cutting and the like. The traditional production of the N95 mask generally adopts independent equipment for each processing procedure, needs manual operation on each process link, and not only has low production efficiency, but also is easy to cause the risk of mask pollution in the processing procedure. Accordingly, there is a need for improvements in the art that overcome the deficiencies in the prior art.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a full-automatic N95 mask machine, which realizes full-automatic production from feeding to finished product processing, greatly improves the production efficiency and can effectively ensure the quality of masks.

The technical scheme adopted by the utility model for solving the technical problem is as follows: a full-automatic N95 gauze mask machine includes: the automatic cutting machine comprises a rack, a discharging mechanism, a nose bridge strip mounting mechanism, a rolling mechanism, an ear band welding mechanism, a folding mechanism, a forming welding mechanism, a cutting mechanism and a waste recovery mechanism, wherein the discharging mechanism, the nose bridge strip mounting mechanism, the rolling mechanism, the ear band welding mechanism, the folding mechanism, the forming welding mechanism, the cutting mechanism and the waste recovery mechanism are sequentially arranged on the rack from front to back;

the discharging mechanism comprises a plurality of discharging rollers for mounting the cloth roll and first motors in one-to-one correspondence with the discharging rollers, and the first motors can drive the discharging rollers to drive the cloth roll to rotate so that cloth wound on the cloth roll is conveyed forwards through the traction rollers and waste materials are recovered by the waste material recovery mechanism;

the nose bridge mounting mechanism is used for cutting the nose bridge into a certain length and inserting the nose bridge between the multiple layers of cloth conveyed in place, and the rolling mechanism can roll outline patterns on the multiple layers of cloth and position the nose bridge; ear area welding mechanism is used for welding out left and right sides ear area on the multilayer cloth after the rolling, shaping welding mechanism is used for carrying out weld forming to the warp the multilayer cloth after the fifty percent discount mechanism fifty percent discount, and by cut out by cutting mechanism.

As a further improvement of the utility model, the nose bridge strip mounting mechanism comprises a mounting bracket, and a nose bridge strip feeding mechanism, a punching mechanism, a material pushing mechanism, a driving device, a nose bridge seat and a rotatable nose bridge plate which are arranged on the mounting bracket, wherein the nose bridge strip feeding mechanism, the punching mechanism and the material pushing mechanism are all in transmission connection with the driving device; the nose bridge strip feeding mechanism comprises two conveying rollers and a cam, wherein the two conveying rollers and the cam are rotatably arranged on the mounting bracket, and the cam is arranged on one side of one of the conveying rollers and is driven by the driving device to drive the conveying rollers to rotate intermittently; the punching mechanism comprises a cutter and a shifting arm, and the cutter is inserted into the nose bridge seat in a sliding manner along the vertical direction; the shifting arm is rotatably arranged on the mounting bracket and is driven by the driving device to push the cutter to move downwards in a rotating period; the pushing mechanism comprises a pushing plate and a slider-crank mechanism, the pushing plate is connected to the slider-crank mechanism, and the slider-crank mechanism is driven by the driving device to drive the pushing plate to reciprocate.

As a further improvement of the utility model, the driving device comprises a second motor and a divider driven by the second motor, one output end of the divider is connected with the cam and the shifting arm through a chain transmission assembly, and the other output end of the divider is connected with the crank slider mechanism through a synchronous pulley transmission assembly.

As a further improvement of the utility model, the rolling mechanism comprises a third motor, a roller which is in transmission connection with the third motor and is horizontally arranged, and an ultrasonic welding device, wherein the third motor is used for driving the roller to rotate and is matched with the ultrasonic welding device for use in roll welding of the multilayer cloth passing through the roller.

As a further improvement of the utility model, the ear band welding mechanism comprises a fixed support arranged on the rack, and an ear band feeding mechanism, an ear band welding module and an ear band shearing mechanism which are arranged on the fixed support; the ear belt feeding mechanism comprises a fourth motor, a discharging wheel driven to rotate by the fourth motor and a plurality of grooved wheels, the ear belt winds through the discharging wheel, the grooved wheels are connected with the ear belt welding module, and the ear belt welding module is used for welding the ear belt on the multilayer cloth.

As a further improvement of the present invention, the ear band welding module comprises a first cylinder, a sliding plate connected with the first cylinder, a first fixing plate connected to the sliding plate in a sliding fit manner, a fifth motor arranged on the first fixing plate, an ear band supporting plate, two welding pressure heads, an ear band clamping mechanism, an ear band loosening mechanism and a welding device, wherein the first cylinder is fixed on the top of the fixing support; the ear belt supporting plate is connected with the fifth motor through a rotating shaft, and the fifth motor drives the ear belt to rotate so as to wind the ear belt on the ear belt supporting plate; the two sides of the ear strap supporting plate are respectively provided with two rotatable elastic hooks, the ear strap clamping mechanism comprises a second air cylinder and two first pressing blocks, the second air cylinder and the two first pressing blocks are fixed on the first fixing plate, the two first pressing blocks are located right above the outer side ends of the two elastic hooks on one side, and the second air cylinder is used for driving the two first pressing blocks to move downwards to drive the two elastic hooks to rotate so as to clamp the ear strap on the ear strap supporting plate; the ear belt loosening mechanism comprises a third air cylinder and a second pressing block which are fixed on the first fixing plate, the second pressing block is positioned right above the inner side ends of three of the elastic hooks, the third air cylinder can drive the second pressing block to move downwards to drive the three elastic hooks to rotate to loosen an ear belt, and the other elastic hook keeps a clamping state in an ear belt welding cycle; and the two welding pressure heads are positioned on two sides of the ear belt supporting plate and are respectively fixedly connected with the sliding plate through two connecting rods.

As a further improvement of the utility model, the ear belt shearing mechanism is arranged on one side of the ear belt welding module and comprises a pneumatic shear and a fourth cylinder, and the pneumatic shear is connected to a cylinder shaft of the fourth cylinder.

As a further improvement of the utility model, the folding mechanism comprises a pair of folding plates, a guide sharp wheel and a pair of squeezing rollers arranged along the vertical direction, one end of each folding plate is arranged obliquely upwards towards the conveying direction of the multilayer cloth, two sides of each folding plate are gradually narrowed, and the guide sharp wheel is positioned between the folding plates and the squeezing rollers.

As a further improvement of the utility model, the forming and welding mechanism comprises a profiling pressing die, a fifth air cylinder and an ultrasonic welding device, wherein the profiling pressing die is connected with the fifth air cylinder, and the fifth air cylinder is used for pushing the profiling pressing die to be matched with the ultrasonic welding device for use in welding and forming the folded multilayer cloth conveyed to the position.

As a further improvement of the utility model, the cutting mechanism comprises a pair of cutter rollers arranged along the vertical direction and a sixth motor in transmission connection with the cutter rollers, and the sixth motor is used for driving the cutter rollers to rotate so as to cut a finished mask on the multilayer cloth; and the rear side of the cutter roller is also provided with a conveying roller assembly for conveying the finished mask product backwards.

The utility model has the beneficial effects that: the utility model provides a full-automatic N95 mask machine, which is characterized in that a feeding mechanism, a nose bridge strip mounting mechanism, a rolling mechanism, an ear belt welding mechanism, a folding mechanism, a forming and welding mechanism, a cutting mechanism and a waste material recovery mechanism are sequentially arranged on a rack from front to back, so that the full-process automatic processing operation of feeding, nose bridge strip penetrating, rolling, ear belt welding, folding, welding and forming and cutting is realized, the manual investment is reduced, the automation degree is high, the production efficiency is greatly improved, the requirement of enterprises on high-efficiency batch production is met, and the quality of masks can be effectively guaranteed.

Drawings

Fig. 1 is a perspective view of the full-automatic N95 mask machine of the present invention;

FIG. 2 is a perspective view of the nose bridge strip mounting mechanism of the present invention;

FIG. 3 is a perspective view of the nose bridge strip mounting mechanism of the present invention with the nose bridge disk removed;

FIG. 4 is a perspective view of the die cutting mechanism and nose bridge seat portion of the present invention;

FIG. 5 is a perspective view of the ear strap welding mechanism of the present invention;

FIG. 6 is a perspective view of an ear band welding module of the present invention;

FIG. 7 is a perspective view of the ear strap welding module of the present invention with the first cylinder and slide removed;

FIG. 8 is a perspective view of the ear strap welding module of the present invention from another perspective with the first cylinder and slide removed;

FIG. 9 is a perspective view of the ear band cutting mechanism of the present invention;

FIG. 10 is a perspective view of the fold back mechanism of the present invention.

The following description is made with reference to the accompanying drawings:

1-a discharging mechanism; 101-a discharge roller;

2-nose bridge strip mounting mechanism; 201-mounting bracket;

202-nose bridge seat; 203-nose bridge disk;

204-conveying roller; 205-cam;

206-cutter; 207-arm;

208-elastic strip; 209-push plate;

210 — slider-crank mechanism; 211 — splitter;

212-chain drive assembly; 213 — synchronous pulley drive assembly;

214-leveling roll 3-rolling mechanism;

301-a roll; 4-ear belt welding mechanism;

401 — fixed support; 402-fourth electric machine;

403-discharge wheel; 404-sheave;

405-first cylinder; 406-a sled;

407-first fixing plate; 408-fifth electric machine;

409 ear band supporting plate; 410-welding indenter;

411 — second cylinder; 412-first compact;

413-third cylinder; 414-second compact;

415-connecting rod; 416-pneumatic shear;

417 — fourth cylinder; 418-elastic hook;

5-folding mechanism; 501-to-folded plate;

502-leading nose wheel; 503-squeeze roll;

6-forming a welding mechanism; 7-cutting mechanism;

701-cutter roll; 8-a waste recovery mechanism;

9-a drawing roll; 10-conveying roller assembly.

Detailed Description

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

Referring to fig. 1, the present invention provides a full-automatic N95 mask machine, comprising: the automatic cutting device comprises a rack, and a discharging mechanism 1, a nose bridge mounting mechanism 2, a rolling mechanism 3, an ear band welding mechanism 4, a folding mechanism 5, a forming and welding mechanism 6, a cutting mechanism 7 and a waste recovery mechanism 8 which are sequentially arranged on the rack from front to back. Wherein, the frame is provided with a plurality of traction rollers 9 between the discharging mechanism 1 and the waste recovery mechanism 8. The discharging mechanism 1 comprises six discharging rollers 101 used for mounting a cloth roll and six first motors in one-to-one correspondence with the discharging rollers 101, the six discharging rollers 101 are rotatably mounted on a vertical plate at the front end of the rack and are in transmission connection with the corresponding first motors, and the cloth roll is mounted on each discharging roller 101. One side of the frame, which is positioned at each discharging roller 101, is provided with an adjustable tensioning roller for adjusting the tensioning degree of the cloth discharged by the cloth roll and ensuring the consistency of the cloth discharged by each discharging roller 101. The first motor can drive the discharging roller 101 to drive the cloth roll to rotate, so that cloth wound on the cloth roll is conveyed forwards through the traction roller 9 and sequentially passes through the nose bridge mounting mechanism 2, the rolling mechanism 3, the ear band welding mechanism 4, the folding mechanism 5, the forming and welding mechanism 6 and the cutting mechanism 7 to form a finished mask. Wherein, the waste recovery mechanism 8 includes a recovery roller driven by a motor, and the waste is recovered by the recovery roller.

Referring to fig. 1 to 4, the cloth discharged by the six discharging rollers 101 is divided into an upper path and a lower path, the nose bridge strip mounting mechanism 2 is used for cutting the nose bridge strip into a certain length and inserting the nose bridge strip between the upper path and the lower path of the cloth conveyed in place, and then the two paths of the cloth are overlapped together to clamp the nose bridge strip and convey the nose bridge strip backwards. The nose bridge piece mounting mechanism comprises a mounting support 201 fixed on the rack, a nose bridge piece feeding mechanism, a punching mechanism, a pushing mechanism, a driving device, a nose bridge base 202, a nose bridge disc 203 and a leveling mechanism, wherein the nose bridge piece feeding mechanism, the punching mechanism, the pushing mechanism, the driving device, the nose bridge base 202, the nose bridge disc 203 and the leveling mechanism are arranged on the mounting support 201, and the nose bridge disc 203 is rotatably arranged on the mounting support 201 and wound with a nose bridge piece. The nose bridge strip feeding mechanism, the punching mechanism and the pushing mechanism are in transmission connection with a driving device and are driven by the driving device to perform coordinated operation.

The driving device comprises a second motor and a divider 211, and an output shaft of the second motor is connected with the divider 211 and is used for driving the divider 211 to act. One output end of the divider 211 is connected with the nose bridge strip feeding mechanism and the punching mechanism through a chain transmission assembly 212, and the other output end of the divider 211 is connected with the pushing mechanism through a synchronous pulley transmission assembly 213. The nose bridge seat 202 is internally provided with a feeding groove and a pushing groove, the driving device drives the nose bridge strip feeding mechanism through the chain transmission component 212 to intermittently convey the nose bridge strips wound on the nose bridge plate 203 into the feeding groove after passing through the leveling mechanism, and also drives the punching mechanism through the chain transmission component 212 to cut off the nose bridge strips conveyed in place in the feeding groove, and then drives the pushing mechanism through the synchronous belt wheel transmission component 213 to push out the cut nose bridge strips through the pushing groove. Therefore, by adopting a power source, namely the driving device, the coordination of all mechanisms can be realized, the conveying, cutting and feeding operations of the nose bridge strip can be completed in sequence, the production efficiency is improved, the equipment cost investment is reduced, the deviation is avoided, the equipment faults are reduced, and the orderly feeding of the nose bridge strip is ensured.

Specifically, referring to fig. 2, the nose bridge strip feeding mechanism includes two conveying rollers 204 rotatably disposed on the mounting bracket 201 and a cam 205, the two conveying rollers 204 are arranged in parallel up and down, and the nose bridge strip is threaded between the two conveying rollers 204. Wherein, the height of one lower conveying roller 204 can be adjusted by a handle connected with the bottom, and the gap between the two conveying rollers 204 is adjusted to a proper position. The cam 205 is rotatably mounted on the mounting bracket 201 on top of the upper feed roller 204 by a shaft, one end of which extends through the mounting bracket 201 and is connected to the chain drive assembly 212. When the second motor-driven divider 211 drives the cam 205 to rotate through the chain transmission assembly 212, the arc surface of the cam 205 can be in contact with the conveying roller 204 above, so as to drive the conveying roller 204 to rotate intermittently, and the rotation angle of the cam 205 driving the conveying roller 204 in one rotation period is the arc angle corresponding to the arc surface of the cam 205. The arc length of the cam 205 is matched with the cutting length required by the nose bridge strip, so that the length of the nose bridge strip conveyed by the conveying roller 204 driven by the cam 205 in one cycle period can meet the requirement. In addition, all the cover is equipped with the gum cover on two conveying rollers 204 to increase and the frictional force between the nose bridge strip, guarantee that the nose bridge strip can carry and target in place. The flattening mechanism sets up between nose bridge dish 203 and nose bridge strip feeding mechanism, and the flattening mechanism is including being a plurality of flattening rollers 214 of staggered arrangement from top to bottom to form the flattening passageway between last lower floor's flattening roller 214, the nose bridge strip in the nose bridge dish 203 crosses to wear to draw in to nose bridge strip feeding mechanism again after passing the flattening passageway and carrying out the flattening.

Referring to fig. 3 and 4, the punching mechanism is located at one side of the nose bridge strip feeding mechanism and includes a cutter 206 and a shifting arm 207, the cutter 206 is slidably inserted into the nose bridge base 202 along the vertical direction, and a cutter head of the cutter 206 is located above the feed chute. The pick arm 207 is rotatably mounted to the mounting bracket 201 above the cutter 206 by another rotating shaft having one end extending through the mounting bracket 201 and also connected to the chain drive assembly 212. The end of the shifting arm 207 is provided with a bearing, and when the second motor-driven divider 211 drives the shifting arm 207 to rotate through the chain transmission assembly 212, the bearing on the shifting arm 207 can abut against the top of the cutter 206, so that the cutter 206 can be pushed to move downwards in one rotation period to cut off the nose bridge. The nose bridge base 202 is provided with an elastic strip 208, and one end of the elastic strip 208 extends into the first waist-shaped hole on the cutter 206, so as to provide an upward resilience force to the cutter 206, so that the cutter 206 is reset after completing the cutting action. A second kidney-shaped hole is further formed in the cutter 206 and located below the first kidney-shaped hole, and the second kidney-shaped hole is matched with the limit salient point in the nose bridge base 202 to limit the moving stroke range of the cutter 206.

Referring to fig. 3, the pushing mechanism includes a pushing plate 209 and a slider-crank mechanism 210, the pushing plate 209 is connected to the slider-crank mechanism 210, and the slider-crank mechanism 210 is driven by a driving device to drive the pushing plate 209 to reciprocate in the pushing slot. The slider-crank mechanism 210 comprises a turntable, a connecting rod and a slider, the slider is connected to the mounting bracket 201 through two guide posts in a sliding fit manner, and the push plate 209 is fixedly connected with the slider. One end of the connecting rod is rotatably connected to the sliding block, and the other end of the connecting rod is rotatably connected to an eccentric position on the rotary table. The divider 211 drives the turntable to rotate through the synchronous pulley transmission assembly 213, and further drives the push plate 209 to reciprocate.

The nose bridge strip installation process is as follows: under the continuous driving of the second motor, the divider 211 drives the chain transmission assembly 212 to rotate continuously, the cam 205 drives the conveying roller 204 to convey the nose bridge strip into the feeding groove of the nose bridge seat 202, the conveying length is a set required length, then the cam 205 is separated from the conveying roller 204, and the conveying roller 204 stops rotating; at this time, the shifting arm 207 is driven by the chain transmission assembly 212 to just rotate to the cutter 206, the shifting arm 207 pushes the cutter 206 downwards to cut off the nose bridge strip when continuing to rotate, then the shifting arm 207 leaves the cutter 206, and the cutter 206 resets under the elastic force of the elastic strip 208; at this time, the divider 211 starts to drive the crank slider mechanism 210 through the synchronous pulley transmission assembly 213 to drive the push plate 209 to push the cut nose bridge strip out to the space between the multiple layers of cloth through the material pushing slot, and then drives the push plate 209 to reset, and the operation is circulated.

The rolling mechanism 3 comprises a third motor, a roller 301 which is in transmission connection with the third motor and is horizontally arranged, and an ultrasonic welding device, wherein the ultrasonic welding device is positioned below the roller 301, and the multilayer cloth with the bridge of the nose strip is conveyed backwards through the space between the roller 301 and the ultrasonic welding device. The third motor drives the roller 301 to rotate and cooperate with the ultrasonic welding device to roll weld the multiple layers of cloth passing through the roller, so that the multiple layers of cloth are rolled to form the mask outline pattern and the nose bridge strip is positioned.

Referring to fig. 5 to 9, the ear band welding mechanisms 4 are provided in two sets, respectively for welding the left and right ear bands on the rolled multi-layer cloth. Two sets of ear area welding mechanism 4 all include the fixed bolster 401 that sets up in the frame top and install ear area feeding mechanism, ear area welding module and the ear area mechanism of cuting on fixed bolster 401. The ear belt feeding mechanism comprises a fourth motor 402, a discharging wheel 403 driven by the fourth motor 402 to rotate, and a plurality of sheaves 404. A support plate is arranged at the top of the fixed bracket 401, the fourth motor 402 is fixed on the support plate, the discharging wheel 403 is rotatably arranged on the support plate and connected with a motor shaft of the fourth motor 402, and a friction wheel is arranged on one side of the discharging wheel 403. One sheave 404 is located below the discharge wheel 403 and is provided with a counterweight for tightening the ear strap. One end of the ear belt wound on the ear belt material disc passes through the space between the discharging wheel 403 and the friction wheel and is connected with the ear belt welding module through a plurality of grooved wheels 404, and then the ear belt is welded on the multilayer cloth by the ear belt welding module.

Specifically, the ear strap welding module comprises a first air cylinder 405, a sliding plate 406, a first fixing plate 407 connected to the sliding plate 406 in a sliding fit manner, a fifth motor 408 arranged on the first fixing plate 407, an ear strap supporting plate 409, two welding rams 410, an ear strap clamping mechanism, an ear strap releasing mechanism and a welding device. The fixed bracket 401 has a top plate on the top of which a first cylinder 405 is fixed, and a sliding plate 406 is located below the top plate and connected to the first cylinder 405. Two sides of the sliding plate 406 are slidably inserted into the two first guide sleeves on the top plate through the two first guide posts respectively. The first fixing plate 407 is located below the sliding plate 406, two second guide posts are fixedly connected to the first fixing plate 407, and the two second guide posts slidably penetrate through the other two sides of the sliding plate 406 and are slidably inserted into the two second guide sleeves on the top plate. The lower part of the first fixing plate 407 is fixedly connected with a second fixing plate through four connecting posts, the ear band supporting plate 409 penetrates through the second fixing plate through a rotating shaft to be connected with a fifth motor 408, and the fifth motor 408 drives the ear band to rotate 180 degrees every time to wind the ear band on the ear band supporting plate 409. The two welding indenters 410 are located on two sides of the ear strap supporting plate 409 and directly above the ear strap around which the ear strap supporting plate 409 is wound, and respectively penetrate through the second fixing plate and the first fixing plate 407 through the two connecting rods 415 to be fixedly connected with the sliding plate 406. Two rotatable elastic hooks 418 are arranged on two sides of the ear strap supporting plate 409, and the elastic hooks 418 are used for being matched with the ear strap supporting plate 409 to clamp or loosen the ear strap during rotation; the ear strap supporting plate 409 is provided with balls above the elastic hook 418, and the balls are matched with the arc-shaped groove on the elastic hook 418 for limiting the rotation of the elastic hook 418 and keeping the clamping state. The ear strap clamping mechanism comprises a second air cylinder 411 and two first pressing blocks 412 which are fixed on a first fixing plate 407, the two first pressing blocks 412 penetrate through the second fixing plate through a third guide pillar and are connected with an air cylinder shaft of the second air cylinder 411, and the two first pressing blocks 412 are located right above outer side ends of two elastic hooks 418 on one side of an ear strap supporting plate 409. The second cylinder 411 is used for driving the two first pressing blocks 412 to move downwards and press the outer ends of the two elastic hooks 418, so that the two first pressing blocks rotate to clamp the ear strap on the ear strap supporting plate 409, and the elastic hooks 418 can keep a clamping state under the limitation that the arc-shaped grooves of the two first pressing blocks are matched with the balls. The ear belt loosening mechanism comprises a third air cylinder 413 and a second pressing block 414 which are fixed on a first fixing plate 407, the second pressing block 414 penetrates through the second fixing plate through two fourth guide posts and is connected with an air cylinder shaft of the third air cylinder 413, the second pressing block 414 is located right above the inner side ends of two elastic hooks 418 on the other side of the ear belt supporting plate 409, and meanwhile, a pressing head extends out of the second pressing block 414 and is located right above the inner side end of the elastic hook 418 corresponding to one first pressing block 412. The third cylinder 413 can drive the second pressing block 414 to move downwards to drive the corresponding three elastic hooks 418 to rotate and open, so that the ear belt is loosened, at the moment, the other elastic hook 418 except the three elastic hooks 418 keeps a clamping state in an ear belt welding cycle, and the cut ear belt stub bar is clamped, so that the ear belt can be continuously fed. The welding device is also an ultrasonic welding device and is arranged on the fixed bracket 401 and is positioned right below the ear strap supporting plate 409.

Referring to fig. 9, the ear band cutting mechanism is disposed at one side of the ear band welding module, and includes a pneumatic shear 416 and a fourth cylinder 417, the pneumatic shear 416 is connected to a cylinder shaft of the fourth cylinder 417, and the fourth cylinder 417 drives the pneumatic shear 416 to extend to the ear band supporting plate 409 to cut off the ear band wound thereon.

The ear belt welding process is as follows: after the ear belt is fed by the ear belt feeding mechanism, the end part of the ear belt is threaded to the ear belt supporting plate 409 and is clamped by one of the elastic hooks 418, and the fifth motor 408 drives the ear belt supporting plate 409 to rotate 180 degrees to wind the ear belt along the edge of the ear belt; at the moment, the second air cylinder 411 drives the two first pressing blocks 412 to move downwards, and presses and rotates the two elastic hooks 418 below the two first pressing blocks, so that the two elastic hooks 418 rotate to clamp the ear strap on the ear strap supporting plate 409, and then the second air cylinder 411 drives the two first pressing blocks 412 to reset; then the first cylinder 405 drives the ear band welding module to move downwards integrally until the ear band supporting plate 409 stops on the bottom plate below, and then the first cylinder 405 continues to drive the two welding pressure heads 410 to press the ear bands to move downwards through the driving sliding plate 406 and is matched with a welding device below to weld the ear bands on the multilayer cloth; meanwhile, the third cylinder 413 drives the second pressing block 414 to move downwards to drive the corresponding three elastic hooks 418 to rotate and open, and reset, so as to loosen the welded ear belt, at this time, the other elastic hook 418 except the three elastic hooks 418 keeps a state of clamping the head of the ear belt, and after the ear belt is cut off by the pneumatic scissors 416, the cycle operation is performed in this way. And conveying the multi-layer cloth welded with one of the ear belts to the welding structure of the other ear belt to weld the other ear belt.

Referring to fig. 1 and 10, the folding mechanism 5 is used for folding the left and right ear bands in two after welding. The folding mechanism 5 comprises a folding plate 501, a guide sharp wheel 502 and a pair of squeezing rollers 503 arranged along the vertical direction, one end of the folding plate 501 is arranged obliquely upwards towards the conveying direction of the multi-layer cloth, two sides of the folding plate are gradually narrowed, and the guide sharp wheel 502 is positioned between the folding plate 501 and the squeezing rollers 503. When the multilayer cloth is conveyed towards the obliquely upper direction through the doubling plate 501, two sides of the multilayer cloth are gradually doubled downwards through two side edges narrowed by the doubling plate 501, then the multilayer cloth is completely doubled over after passing through the guide sharp wheel 502, and then the multilayer cloth passes through the two squeezing rollers 503 to be squeezed to form creases, so that the doubling effect is ensured. The forming and welding mechanism 6 is used for welding and forming the multilayer cloth folded in half by the folding mechanism 5, the forming and welding mechanism 6 comprises a profiling pressing die, a fifth cylinder and an ultrasonic welding device, the profiling pressing die is connected with the fifth cylinder, the multilayer cloth folded in half is conveyed backwards between the profiling pressing die and the ultrasonic welding device, the fifth cylinder pushes the profiling pressing die to be matched with the ultrasonic welding device to use the multilayer cloth which is conveyed in place after being folded in half to be welded and formed, and the finished mask is cut out through the cutting mechanism 7. The cutting mechanism 7 comprises a pair of cutter rollers 701 arranged in the vertical direction and a sixth motor in transmission connection with the cutter rollers 701, and the sixth motor is used for driving the cutter rollers 701 to rotate to cut a finished mask on the multilayer cloth. The rear side of the cutter roller 701 is also provided with a conveying roller assembly 10 for conveying the finished mask product backwards into the storage box, and the waste material is recovered by a waste material recovery mechanism 8.

Therefore, the full-automatic N95 mask machine provided by the utility model has the advantages that the feeding mechanism, the nose bridge mounting mechanism, the rolling mechanism, the ear band welding mechanism, the folding mechanism, the forming and welding mechanism, the cutting mechanism and the waste recovery mechanism are sequentially arranged on the frame from front to back, the automatic processing operation of the whole process of feeding, nose bridge penetrating, rolling, ear band welding, folding, welding and forming and cutting is realized, the manual investment is reduced, the automation degree is high, the production efficiency is greatly improved, the requirement of enterprises on high-efficiency mass production is met, and the quality of masks can be effectively guaranteed.

In the previous description, numerous specific details were set forth in order to provide a thorough understanding of the present invention. The foregoing description is only a preferred embodiment of the utility model, which can be embodied in many different forms than described herein, and therefore the utility model is not limited to the specific embodiments disclosed above. And that those skilled in the art will be able to make many changes and modifications to the utility model using the method and techniques disclosed above, or to modify and adapt equivalent embodiments to equivalent variations, without departing from the scope of the utility model. Any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a full-automatic N95 gauze mask machine which characterized in that includes: the automatic cutting machine comprises a rack, a discharging mechanism (1), a nose bridge mounting mechanism (2), a rolling mechanism (3), an ear band welding mechanism (4), a folding mechanism (5), a forming welding mechanism (6), a cutting mechanism (7) and a waste recovery mechanism (8), wherein the discharging mechanism (1), the nose bridge mounting mechanism (2), the rolling mechanism, the ear band welding mechanism, the folding mechanism (5), the forming welding mechanism (6), the cutting mechanism (7) and the waste recovery mechanism (8) are sequentially arranged on the rack from front to back, and a plurality of traction rollers (9) are arranged between the discharging mechanism (1) and the waste recovery mechanism (8) of the rack;

the discharging mechanism (1) comprises a plurality of discharging rollers (101) used for mounting a cloth roll and first motors in one-to-one correspondence with the discharging rollers (101), and the first motors can drive the discharging rollers (101) to drive the cloth roll to rotate so that cloth wound on the cloth roll is conveyed forwards through the traction rollers (9) and waste materials are recycled through the waste material recycling mechanism (8);

the nose bridge mounting mechanism (2) is used for cutting the nose bridge into a certain length and inserting the nose bridge between the multiple layers of cloth conveyed in place, and the rolling mechanism (3) can roll the outline pattern of the multiple layers of cloth and position the nose bridge; ear area welding mechanism (4) are used for welding out left and right ear areas on the multilayer cloth after the rolling, shaping welding mechanism (6) are used for carrying out weld forming to the warp multilayer cloth after fifty percent discount mechanism (5) fifty percent discount, and by cut out by cutting mechanism (7).

2. The full-automatic N95 mask machine according to claim 1, wherein: the nose bridge strip mounting mechanism (2) comprises a mounting support (201), a nose bridge strip feeding mechanism, a punching mechanism, a material pushing mechanism, a driving device, a nose bridge seat (202) and a rotatable nose bridge plate (203), wherein the nose bridge strip feeding mechanism, the punching mechanism and the material pushing mechanism are arranged on the mounting support (201) and are in transmission connection with the driving device; the nose bridge strip feeding mechanism comprises two conveying rollers (204) and a cam (205) which are rotatably arranged on the mounting bracket (201), and the cam (205) is arranged on one side of one of the conveying rollers (204) and is driven by the driving device to drive the conveying roller (204) to rotate intermittently; the punching mechanism comprises a cutter (206) and a shifting arm (207), and the cutter (206) can be inserted into the nose bridge seat (202) in a sliding manner along the vertical direction; the shifting arm (207) is rotatably arranged on the mounting bracket (201) and can push the cutting knife (206) to move downwards in one rotation period under the drive of the driving device; the material pushing mechanism comprises a push plate (209) and a slider-crank mechanism (210), the push plate (209) is connected to the slider-crank mechanism (210), and the slider-crank mechanism (210) is driven by the driving device to drive the push plate (209) to reciprocate.

3. The fully automatic N95 mask machine according to claim 2, wherein: the driving device comprises a second motor and a divider (211) driven by the second motor, one output end of the divider (211) is connected with the cam (205) and the shifting arm (207) through a chain transmission assembly (212), and the other output end of the divider (211) is connected with the crank slider mechanism (210) through a synchronous pulley transmission assembly (213).

4. The full-automatic N95 mask machine according to claim 1, wherein: the rolling mechanism (3) comprises a third motor, a roller (301) and an ultrasonic welding device, wherein the roller (301) is in transmission connection with the third motor and is horizontally arranged, and the third motor is used for driving the roller (301) to rotate and matching with the ultrasonic welding device for use so as to roll weld the multilayer cloth passing through the roller.

5. The fully automatic N95 mask machine according to claim 1, wherein: the ear band welding mechanism (4) comprises a fixed support (401) arranged on the rack, and an ear band feeding mechanism, an ear band welding module and an ear band shearing mechanism which are arranged on the fixed support (401); the ear belt feeding mechanism comprises a fourth motor (402), a discharging wheel (403) and a plurality of grooved wheels (404), the discharging wheel (403) is driven by the fourth motor (402) to rotate, ear belts are wound through the discharging wheel (403) and the grooved wheels (404) and are connected with the ear belt welding module, and the ear belt welding module is used for welding the ear belts on the multilayer cloth.

6. The full-automatic N95 mask machine according to claim 5, wherein: the ear belt welding module comprises a first air cylinder (405), a sliding plate (406) connected with the first air cylinder (405), a first fixing plate (407) connected to the sliding plate (406) in a sliding fit mode, a fifth motor (408) arranged on the first fixing plate (407), an ear belt supporting plate (409), two welding pressure heads (410), an ear belt clamping mechanism, an ear belt loosening mechanism and a welding device, wherein the first air cylinder (405) is fixed to the top of the fixing support (401); the ear belt supporting plate (409) is connected with the fifth motor (408) through a rotating shaft, and the fifth motor (408) drives the ear belt to rotate so as to wind the ear belt on the ear belt supporting plate (409); two rotatable elastic hooks (418) are mounted on two sides of the ear strap supporting plate (409), the ear strap clamping mechanism comprises a second air cylinder (411) and two first pressing blocks (412), the second air cylinder (411) and the two first pressing blocks (412) are fixed on the first fixing plate (407), the two first pressing blocks (412) are located right above the outer side ends of the two elastic hooks (418) on one side of the ear strap clamping mechanism, and the second air cylinder (411) is used for driving the two first pressing blocks (412) to move downwards to drive the two elastic hooks (418) to rotate so as to clamp an ear strap on the ear strap supporting plate (409); the ear strap loosening mechanism comprises a third air cylinder (413) and a second pressing block (414) which are fixed on the first fixing plate (407), the second pressing block (414) is positioned right above the inner side ends of three elastic hooks (418), the third air cylinder (413) can drive the second pressing block (414) to move downwards to drive the three elastic hooks (418) to rotate so as to loosen an ear strap, and the other elastic hook (418) keeps a clamping state in one ear strap welding cycle; the two welding pressure heads (410) are positioned at two sides of the ear strap supporting plate (409) and are respectively and fixedly connected with the sliding plate (406) through two connecting rods (415).

7. The full-automatic N95 mask machine according to claim 5, wherein: the ear belt shearing mechanism is arranged on one side of the ear belt welding module and comprises a pneumatic shear (416) and a fourth cylinder (417), and the pneumatic shear (416) is connected to the cylinder shaft of the fourth cylinder (417).

8. The fully automatic N95 mask machine according to claim 1, wherein: the folding mechanism (5) comprises a folding plate (501), a guide sharp wheel (502) and a pair of squeezing rollers (503) arranged along the vertical direction, one end of the folding plate (501) is arranged in an upward inclined mode towards the conveying direction of the multi-layer cloth, two sides of the folding plate are gradually narrowed, and the guide sharp wheel (502) is located between the folding plate (501) and the squeezing rollers (503).

9. The full-automatic N95 mask machine according to claim 1, wherein: the forming and welding mechanism (6) comprises a profiling pressing die, a fifth cylinder and an ultrasonic welding device, the profiling pressing die is connected with the fifth cylinder, and the fifth cylinder is used for pushing the profiling pressing die to be matched with the ultrasonic welding device to weld and form the folded multilayer cloth conveyed in place.

10. The full-automatic N95 mask machine according to claim 1, wherein: the cutting mechanism (7) comprises a pair of cutter rollers (701) arranged in the vertical direction and a sixth motor in transmission connection with the cutter rollers (701), and the sixth motor is used for driving the cutter rollers (701) to rotate to cut mask finished products on the multilayer cloth; the rear side of the cutter roller (701) is also provided with a conveying roller assembly (10) for conveying the finished mask product backwards.