CN110654593A

CN110654593A - Facial mask is got material and is picked material folding device

Info

Publication number: CN110654593A
Application number: CN201910923105.7A
Authority: CN
Inventors: 李建兵
Original assignee: Xinghua Lixin Machinery Co Ltd
Current assignee: Xinghua Lixin Machinery Co Ltd
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2020-01-07
Anticipated expiration: 2039-09-27
Also published as: CN110654593B

Abstract

The invention discloses a facial mask taking, rejecting and folding device which comprises a facial mask limiting mechanism, a facial mask taking mechanism, a facial mask rejecting mechanism, a facial mask folding mechanism and a facial mask bag opening mechanism, wherein the facial mask limiting mechanism can be adjusted and fixed in an inclined elongated sinking groove according to facial masks with different sizes, so that the facial mask taking device is suitable for facial masks with different sizes, and can also be adjusted according to the sizes of eye holes and mouth holes of the facial masks, so that the facial mask taking, rejecting and folding device is suitable for facial masks with eye holes and mouth holes of different specifications and facial masks with different heights and layers; facial mask feeding agencies can get the material with the facial mask, need not artifical dress and take, improves facial mask production efficiency greatly, can not exert an influence to the quality of facial mask simultaneously, also greatly reduced workman's intensity of labour simultaneously, through cylinder ejecting movable material subassembly of getting downwards to make movable material subassembly of getting horizontal guide post connecting plate, horizontal guide post, contact pin fixed plate, contact pin whole move down and insert the material of getting of acupuncture in the facial mask.

Description

Facial mask is got material and is picked material folding device

Technical Field

The invention relates to the technical field of mask packaging, in particular to a mask taking, rejecting and folding device.

Background

Along with the development of society and the improvement of living standard, people pay more and more attention to daily care of skin, the facial mask is used as the earliest cosmetic skin care product, the market demand of the facial mask is gradually increased, a facial mask packaging machine is generally adopted for packaging to improve the efficiency, the facial mask is generally overlapped together by manually adding the facial mask before the facial mask is taken, the whole fixing effect of the facial mask is poor, the facial mask is easy to fall off when placed manually or taken mechanically, the whole production efficiency is influenced, a technical worker can design a structure for limiting the facial mask aiming at the problems, but a plurality of facial mask limiting structures designed according to the facial mask specification are required to be prepared simultaneously for facial masks with different sizes and different heights in superposition, the cost is high, and the installation and the use are very complicated; the mask is taken and sent to a mask packaging machine, usually, the mask is added manually and stacked together, then the mask is taken to the mask packaging machine for packaging, but in the taking process, the mask is easy to fall off due to the fact that nutrient solution is added, and other impurities or bacteria are easily stained on the mask due to manual taking, so that the production efficiency of the mask is low, the overall quality of the mask is affected, and meanwhile, the labor intensity of workers is greatly increased; the existing facial mask taking method is that a mechanical arm is used for grabbing a facial mask to a facial mask taking end conveying belt to directly convey the facial mask to a facial mask folding machine for folding and packaging, when mass production is carried out, the mechanical arm may grab multiple layers of facial masks sometimes, so that the multiple layers of facial masks are conveyed to the facial mask folding machine for packaging at the same time, multiple layers of facial masks are arranged in a single package, resource waste is caused, operation cost is increased, and the quality of integral production is influenced; and the facial mask after folding packing is accomplished usually need open facial mask bag through opening bagging apparatus and pack the facial mask into facial mask bag and be closing facial mask bag, because the sack department surface at facial mask bag is very unevenness for it can't open facial mask bag sometimes to open bagging apparatus, perhaps can't be closed the sack department completely when closing, causes the bagging-off action error, needs the processing of shutting down, and inefficiency influences holistic production efficiency.

Disclosure of Invention

The invention aims to solve the problem of providing a mask limiting mechanism which can be adjusted and fixed in an inclined elongated sinking groove according to masks with different sizes so as to be suitable for masks with different sizes, and can also be adjusted according to the sizes of eye holes and mouth holes of masks so as to be suitable for masks with eye holes and mouth holes of different specifications and masks with different heights and layers; the facial mask taking mechanism can take facial masks, manual loading and taking are not needed, the production efficiency of the facial masks is greatly improved, meanwhile, the quality of the facial masks cannot be affected, the labor intensity of workers is greatly reduced, the movable taking component is ejected downwards through the air cylinder, so that a transverse guide post connecting plate, a transverse guide post, a contact pin fixing plate and a contact pin of the movable taking component are integrally moved downwards to be inserted into the facial masks to take materials through needling, the contact pin fixing plate and the contact pin at the bottom end of the contact pin fixing plate are obliquely ejected out along the oblique guide hole on the contact pin fixing plate through the oblique guide limiting post, the facial masks to be grabbed can be firmly inserted into the contact pin, and the fixing effect is good; the multi-layer facial mask is removed through the facial mask removing mechanism; flatness when can effectively guarantee the facial mask bag through facial mask opening bag mechanism and open the bag and close can make the effective timely opening of facial mask bag, can be closed completely with sack department during closed, need not to shut down the processing, and is efficient, improves holistic production efficiency's facial mask greatly and gets material pick material folding device.

In order to solve the problems, the invention provides a facial mask taking, picking and folding device which comprises a facial mask limiting mechanism, a facial mask taking mechanism, a facial mask picking mechanism, a facial mask folding mechanism and a facial mask bag opening mechanism, wherein the upper end of the facial mask limiting mechanism is provided with the facial mask taking mechanism, one end of the facial mask taking mechanism is provided with the facial mask picking mechanism, the other end of the facial mask picking mechanism is provided with the facial mask folding mechanism, and the bottom end of the facial mask folding mechanism is provided with the facial mask bag opening mechanism;

the mask limiting mechanism comprises a mask limiting column fixing plate, a mask supporting plate, a mask inner side limiting column assembly and an adjustable mask outer side limiting column assembly, wherein the upper end of the mask limiting column fixing plate is provided with the mask supporting plate, the mask limiting column fixing plate and the mask supporting plate are respectively provided with an obliquely-opened long type sinking groove which is parallel to each other and is arranged in a matched mode, the obliquely-opened long type sinking grooves are provided with at least 4 and are arranged in a mirror image mode, a curved circular type sinking groove corresponding to an eye hole and a mouth hole of a mask is formed between the obliquely-opened long type sinking grooves, the adjustable mask outer side limiting column assembly penetrates through the obliquely-opened long type sinking groove from top to bottom and is fixed at the bottom end of the mask limiting column fixing plate, and the mask inner side limiting column assembly penetrates through the curved circular type sinking groove from top;

the facial mask taking mechanism comprises a facial mask driving unit and a facial mask taking unit, the facial mask taking unit is arranged at the bottom end of the facial mask driving unit, the facial mask taking unit is a needle-punching taking structure, the needle-punching taking structure comprises an air cylinder, a movable taking assembly and an oblique fixing and limiting assembly, the movable taking assembly comprises a transverse guide column connecting plate, a transverse guide column, a contact pin fixing plate and a contact pin, a piston rod of the air cylinder extends and retracts into an air cylinder connecting hole formed in the upper end of the transverse guide column connecting plate, the contact pin fixing plate is respectively arranged at two ends of the transverse guide column connecting plate, a transverse guide hole is formed in the contact pin fixing plate, the transverse guide column extends into the transverse guide hole from two ends of the transverse guide column connecting plate, the contact pin fixing plate is respectively provided with an oblique guide hole, the air cylinder is arranged in an air cylinder, the air inlet pipe is communicated with the air cylinder through penetrating through the air inlet A and the air inlet B, the air cylinder protective shell is provided with at least 6 mounting fixing holes, the oblique fixing and limiting assembly comprises oblique guide post fixing plates and oblique guide limiting posts, oblique guide post fixing plates are arranged at the side ends of the contact pin fixing plates, the oblique guide limiting posts are fixedly arranged at one ends of the contact pin fixing plates and extend into the oblique guide holes, at least one group of contact pins which are arranged in parallel are fixedly arranged at the bottom ends of the contact pin fixing plates, and the contact pins are arranged in an oblique cross mode;

the facial mask rejecting mechanism comprises a material taking end conveying belt, a thickness detecting unit, a lifting rejecting unit, a folding end conveying belt and a facial mask recycling box, wherein the folding end conveying belt is installed at one end of the material taking end conveying belt; the thickness detection unit comprises a thickness detection roller, a transmission shaft, a linear guide rail and a displacement sensor, the linear guide rail is installed at two side ends of the material taking end conveying belt, the thickness detection roller is sleeved on the transmission shaft, two ends of the transmission shaft are respectively sleeved in sliding seats of the linear guide rail, a first connecting shaft rod is fixedly installed at the upper end of each sliding seat of the linear guide rail, a sensor fixing support is fixed at one end and sleeved on the first connecting shaft rod, the other end of the sensor fixing support is sleeved on a second connecting shaft rod, the second connecting shaft rod is installed at one end of a bearing seat, and the displacement sensor is installed on the sensor fixing support; the lifting picking unit comprises a controller, lifting supports, cylinder positioning plates, cylinders, lifting rods and picking slotting tools, the lifting supports are symmetrically arranged at the side ends of the gaps between the picking end conveying belts and the folding end conveying belts, the lifting supports are fixed with the front ends of the picking end conveying belts or the folding end conveying belts, the cylinder positioning plates are fixedly arranged among the lifting supports, the cylinders are fixedly arranged on the cylinder positioning plates, one ends of the lifting rods are connected with the cylinders, the other ends of the lifting rods are fixedly connected with the picking slotting tools, the controllers are arranged on the lifting supports, and the controllers are respectively and electrically connected with the cylinders and the displacement sensors;

the facial mask opening mechanism comprises a bag opening vacuum cylinder, a first rear vacuum chuck, a second rear vacuum chuck, a rear bag opening leveling tabletting assembly, a first front vacuum chuck, a second front vacuum chuck and a front bag opening leveling tabletting assembly, wherein the front end of the bag opening vacuum cylinder is respectively provided with the first rear vacuum chuck and the second rear vacuum chuck which are in self-adaptive connection, the first rear vacuum chuck and the second rear vacuum chuck are respectively sleeved with the rear bag opening leveling tabletting assembly, the front ends of the first rear vacuum chuck and the second rear vacuum chuck are respectively provided with the first front vacuum chuck and the second front vacuum chuck in parallel, and the first front vacuum chuck and the second front vacuum chuck are respectively sleeved with the front bag opening leveling tabletting assembly.

Preferably, the mask inner side limiting column assembly comprises a mask inner side limiting column body and a mask limiting top piece, wherein the mask limiting top piece is arranged at the top end of the mask inner side limiting column body and is of a cone-shaped structure.

Preferably, the adjustable mask outer side limiting column assembly comprises an adjustable clamping sleeve, a mask outer side adjusting limiting column, a limiting screw rod and a spring rod piece, the mask outer side adjusting limiting column is sleeved in the adjustable clamping sleeve, threaded positioning holes which are communicated with each other are formed in the front and back of the adjustable clamping sleeve and the mask outer side adjusting limiting column and in the left and right sides of the adjustable clamping sleeve and the mask outer side adjusting limiting column from top to bottom, the spring rod piece penetrates through the threaded positioning holes in the front and back ends and extends forwards to the upper end of the mask to compress the mask, a threaded hole is formed in the center part of the spring rod piece, the limiting screw rod piece penetrates through the threaded positioning hole in the left end and then penetrates through the threaded positioning hole in the center part of the spring rod piece and then penetrates through two ends of the threaded positioning hole in the right end, two ends of the limiting screw rod piece are fixed through nuts to fix the adjustable clamping sleeve The fixing screws are fixed at the bottom end of the mask limiting column fixing plate, and the mask inner side limiting column assembly penetrates through the curved circular sinking groove from top to bottom and is fixed at the bottom end of the mask limiting column fixing plate through the mask limiting column fixing screws.

Preferably, the facial mask drive unit includes servo motor, left slip table module, right slip table module, removal beam slip table module and transmission connecting rod, left side slip table module and right slip table module parallel arrangement each other, the drive end of left side slip table module and right slip table module all is provided with servo motor, the drive end of left side slip table module and right slip table module is through transmission connecting rod synchronous drive, the guide rail both ends of removing beam slip table module erect respectively on the slip table of left slip table module, right slip table module, the drive end of removing beam slip table module is connected with servo motor, removal beam slip table module lower extreme is equipped with the lift cylinder, the piston rod of lift cylinder gets material fixed connection with the facial mask of its bottom, and facial mask is got material unit threaded connection and is got the bottom of material fixed plate in the membrane.

Preferably, two ends of the transmission shaft are respectively fixed in a sliding seat of the linear guide rail through shaft sleeves, an expansion spring is fixedly arranged at the bottom end of the sliding seat of the linear guide rail, and the other end of the expansion spring is fixed in a spring seat at the side end of the material taking end conveying belt.

Preferably, back division bag flattening preforming subassembly and preceding division bag flattening preforming subassembly all include support lagging, arc connecting plate and flattening location preforming, the welding of support lagging upper end has the arc connecting plate, the connecting hole has been seted up on the arc connecting plate, flattening location preforming is established to four bibliographic categories and divides, and its upper end is equipped with location connecting portion, the spout has been seted up on the location connecting portion, thereby location connecting portion locate arc connecting plate upper end and pass connecting hole and spout through the rivet and locate the arc connecting plate with location connecting portion and be movable connection, the location connecting portion side is equipped with the flattening preforming portion rather than being perpendicular setting, bag pressing portion has all been installed at flattening preforming portion both ends and has been advanced in the slant.

Preferably, the supporting sleeve plate is provided with a positioning hole, and one end of each of the first rear vacuum chuck, the second rear vacuum chuck, the first front vacuum chuck and the second front vacuum chuck is respectively sleeved in the positioning hole.

Preferably, the flattening press plate part is provided with a vacuum chuck positioning groove, and one end of each of the first rear vacuum chuck, the second rear vacuum chuck, the first front vacuum chuck and the second front vacuum chuck is respectively and fixedly sleeved in the vacuum chuck positioning groove.

Preferably, an air cylinder mounting seat plate is fixedly mounted at the upper end of the bag opening vacuum air cylinder, and the front end of the air cylinder mounting seat plate extends forwards and is clamped at the upper end of the supporting sleeve plate.

Preferably, the first front vacuum chuck and the second front vacuum chuck are communicated with an air suction pump through an air inlet connecting pipe, and an air outlet is formed in the air suction pump.

Adopt above-mentioned structure, its beneficial effect lies in:

the adjustable facial mask outer side limiting column assemblies can be abutted against the outer end face of the facial mask to play a role in fixing the facial mask, so that the facial mask can be stably placed among the adjustable facial mask outer side limiting column assemblies; the limiting column assembly on the inner side of the mask can be inserted in the positions of the eye hole and the mouth hole of the mask, so that the effect of fixing the mask is further achieved, and the problem that the mask falls off before material taking can be effectively prevented; the mask limiting column fixing plate and the mask supporting plate are respectively provided with an obliquely-opened long type sinking groove which is parallel to each other and is arranged in a matched mode, at least 4 obliquely-opened long type sinking grooves are arranged and are arranged in a mirror image mode, the adjustable mask outer side limiting column assembly penetrates through the obliquely-opened long type sinking grooves from top to bottom and is fixed to the bottom end of the mask limiting column fixing plate, the adjustable mask outer side limiting column assembly can be adjusted and fixed in the obliquely-opened long type sinking grooves according to masks in different sizes, and therefore the adjustable mask limiting column fixing plate is suitable for masks in different sizes; the curved circular sinking grooves corresponding to the eye holes and the mouth holes of the facial mask are formed between the obliquely-opened long sinking grooves, and the limiting column assembly on the inner side of the facial mask penetrates through the curved circular sinking grooves from top to bottom and is fixed at the bottom end of the facial mask limiting column fixing plate, so that the limiting column assembly on the inner side of the facial mask can be adjusted according to the sizes of the eye holes and the mouth holes of the facial mask, and the mask is suitable for facial masks with eye holes and mouth holes of different specifications and has a wide application range; the adjustable mask outer side limiting column assembly comprises an adjustable clamping sleeve, a mask outer side adjusting limiting column, a limiting screw rod piece and a spring rod piece, wherein the mask outer side adjusting limiting column is sleeved in the adjustable clamping sleeve, threaded positioning holes which are mutually communicated are formed in the front and back parts and the left and right parts of the adjustable clamping sleeve and the mask outer side adjusting limiting column from top to bottom, the spring rod piece penetrates through the threaded positioning holes in the front and back ends and extends forwards to the upper end of the mask to press the mask tightly, the mask is further fixed, a threaded hole is formed in the central part of the spring rod piece, the limiting screw rod piece penetrates through the threaded positioning hole in the left end and then penetrates through the threaded hole in the central part of the spring rod piece and then penetrates through two ends of the threaded positioning hole in the right end, two ends of the limiting screw rod piece are fixed through nuts, so that the adjustable clamping, thereby the facial mask of adaptation different height and number of piles, the suitability is extremely wide, is fit for extensively promoting.

The facial mask packaging machine can take facial masks through the facial mask taking unit, and then the facial mask taking unit is translated to one end of the facial mask packaging machine through the facial mask driving unit without manual loading, so that the production efficiency of the facial masks is greatly improved, the quality of the facial masks is not influenced, and the labor intensity of workers is greatly reduced,

the facial mask taking unit is a needle-punching taking structure, the needle-punching taking structure comprises an air cylinder, a movable taking component and an oblique fixed limiting component, the movable taking component is ejected downwards through the air cylinder, so that a transverse guide post connecting plate, a transverse guide post, a pin fixing plate and a pin are integrally moved downwards and inserted into a facial mask for needle-punching taking, the oblique fixed limiting component comprises an oblique guide post fixing plate and an oblique guide limiting post, the side end of the pin fixing plate is provided with the oblique guide post fixing plate, the oblique guide limiting post is fixedly arranged at one end of the pin fixing plate and extends into the oblique guide hole, the oblique guide limiting post of the oblique fixed limiting component plays a limiting role, the pin fixing plate and the pin at the bottom end of the pin fixing plate can be obliquely ejected out along the oblique guide hole on the pin fixing plate through the oblique guide limiting post, and the pin can be firmly inserted with a facial mask to be, the fixing effect is good; the fixed at least a set of parallel arrangement contact pin that is equipped with of contact pin fixed plate bottom, be the slant setting of crossing between the contact pin, through effectual experiment and design many times, the design of above-mentioned structure makes the contact pin can be more firm insert the facial mask that needs snatched, further promotes the fixity of snatching the facial mask.

According to the invention, the facial mask is conveyed to the position below the thickness detection unit through the material taking end conveying belt, more than two layers of facial masks can jack up the thickness detection unit due to the increase of the thickness, so that the displacement sensor of the thickness detection unit transmits a signal to the controller, and the controller starts the lifting material picking unit to press the multiple layers of facial masks downwards to the recovery facial mask box at the bottom end of the gap between the material taking end conveying belt and the folding end conveying belt, so that the removal of the multiple layers of facial masks is realized, the multiple layers of facial masks cannot be simultaneously conveyed to the facial mask folding machine for packaging, the resource waste is avoided, and the cost is saved.

The invention is characterized in that the front end of a bag opening vacuum cylinder is respectively provided with a first rear vacuum sucker and a second rear vacuum sucker which are in self-adaptive connection, the first rear vacuum sucker and the second rear vacuum sucker are respectively sleeved with a rear bag opening leveling tabletting assembly, the front ends of the first rear vacuum sucker and the second rear vacuum sucker are respectively provided with a first front vacuum sucker and a second front vacuum sucker in parallel, the first front vacuum sucker and the second front vacuum sucker are respectively sleeved with a front bag opening leveling tabletting assembly, a facial mask bag is positioned between the rear vacuum sucker and the front vacuum sucker through a worker, a cylinder piston rod is pushed through the bag opening vacuum cylinder to drive the rear vacuum sucker and the rear bag opening leveling tabletting assembly to move forwards, the facial mask bag can be leveled under the action of the rear bag opening leveling tabletting assembly and the front bag opening leveling tabletting assembly, the bag edge is tightly sucked by the rear sucker and the front vacuum sucker under the action of negative pressure, the bag opening vacuum cylinder reciprocates to open and close the bag to complete the bag opening action, and the bag opening effect is good and the efficiency is high; the rear bag opening leveling tabletting assembly and the front bag opening leveling tabletting assembly respectively comprise a supporting sleeve plate, an arc-shaped connecting plate and a leveling positioning tabletting, wherein the upper end of the supporting sleeve plate is welded with the arc-shaped connecting plate, the arc-shaped connecting plate is provided with a connecting hole, the leveling positioning tabletting is divided into four parts, the upper end of the leveling positioning tabletting is provided with a positioning connecting part, the positioning connecting part is provided with a chute, the positioning connecting part is arranged at the upper end of the arc-shaped connecting plate and penetrates through the connecting hole and the chute through rivets so as to movably connect the positioning connecting part with the arc-shaped connecting plate, the side end of the positioning connecting part is provided with a leveling tabletting part which is vertically arranged with the positioning connecting part, two ends of the leveling tabletting part are respectively provided with an inclined bag inlet tabletting part, the inclined bag inlet tabletting part can enable the surface unevenness part at the bag opening position of the original facial mask bag to, the whole flat pressing sheet part that advances a bag pressing sheet part through two groups of clearances ratio slant extrudees facial mask bag, make facial mask bag atress elastic contraction, play and flatten and fixed effect, vacuum chuck inhales tight bag limit with preceding vacuum chuck under the effect of negative pressure after the rethread, the completion is opened the bag, it can make the sack closed to open bag vacuum cylinder reciprocating motion, back division bag flattening pressing sheet subassembly and preceding division bag flattening pressing sheet subassembly can effectively guarantee facial mask bag and open bag and roughness when closed, can make the facial mask bag can be effectively timely open, can be complete with sack department closure during the closure, need not to shut down the processing, high efficiency, improve holistic production efficiency greatly.

Drawings

Fig. 1 is a schematic structural view of a facial mask taking, rejecting and folding device according to the present invention.

Fig. 2 is a schematic structural view of the mask limiting mechanism.

Fig. 3 is a front view of the mask limiting mechanism.

Fig. 4 is a top view of the mask limiting mechanism.

Fig. 5 is a schematic structural view of the mask taking mechanism.

Fig. 6 is a schematic structural view of the mask taking unit.

Fig. 7 is a sectional view of the mask taking unit.

Fig. 8 is a schematic structural view of the movable material taking assembly and the oblique fixed limiting assembly.

Fig. 9 is a side view of the movable take out assembly and the diagonal fixed stop assembly.

Fig. 10 is a schematic structural view of the mask rejecting mechanism.

Fig. 11 is a side view of the mask rejecting mechanism.

Fig. 12 is a top view of the mask rejecting mechanism.

Fig. 13 is a front view of the mask rejecting mechanism.

Fig. 14 is a schematic structural view of a mask opening mechanism.

Fig. 15 is a top view of the mask opening mechanism.

In the figure: 1-a mask limiting mechanism, 101-a mask limiting column fixing plate, 102-a mask supporting plate, 103-a mask inner limiting column assembly, 103-1 a mask inner limiting column body, 103-2 a mask limiting top assembly, 104-an adjustable mask outer limiting column assembly, 104-1 an adjustable clamping sleeve, 104-2 a mask outer adjusting limiting column, 104-3 a limiting screw rod assembly, 104-4 a spring rod assembly, 104-5 a threaded positioning hole, 105-an inclined elongated sinking groove, 106-a curved circular sinking groove, 107-a mask limiting column fixing screw, 2-a material taking mechanism, 201-a mask driving unit, 201-1 a servo motor, 201-2 a left sliding table module, 201-3 a right sliding table module, 201-4 a movable beam sliding table module and 201-5 a transmission connecting rod, 202-facial mask taking unit, 202-1 cylinder, 202-2 mounting fixing hole, 202-3 transverse guide post connecting plate, 202-4 transverse guide post, 202-5 contact pin fixing plate, 202-6 contact pin, 202-7 oblique guide post fixing plate, 202-8 oblique guide limiting post, 202-9 cylinder connecting hole, 202-10 transverse guide hole, 202-11 oblique guide hole, 202-12 cylinder protective shell, 202-13 air inlet A, 202-14 air inlet B, 203-lifting cylinder, 204-facial mask taking fixing plate, 3-material removing mechanism, 301-material taking end conveying belt, 302-controller, 303-folding end conveying belt, 304-recovered facial mask box, 305-thickness detection roller, 306-transmission shaft, 307-linear guide rail, 308-displacement sensor, 309-shaft sleeve, 310-first connecting shaft rod, 311-sensor fixing support, 312-second connecting shaft rod, 313-bearing seat, 314-expansion spring, 315-spring seat, 316-lifting support, 317-cylinder positioning plate, 318-cylinder, 319-lifting rod, 320-material-removing slotting tool, 4-facial mask folding mechanism, 5-facial mask bag-opening mechanism, 501-bag-opening vacuum cylinder, 502-first rear vacuum chuck, 503-second rear vacuum chuck, 504-rear bag-opening leveling tabletting component, 505-first front vacuum chuck, 506-second front vacuum chuck, 507-front bag-opening leveling tabletting component, 508-supporting sleeve plate, 509-tabletting arc-shaped connecting plate, 510-leveling positioning, 510-1 positioning connecting part, 510-2 flattening pressing sheet part, 510-3 oblique bag inlet pressing sheet part, 510-4 sliding groove, 511-cylinder mounting seat plate, 512-air inlet connecting pipe, 513-air pump and 514-air outlet.

Detailed Description

The invention is further explained below with reference to the figures and examples.

The first embodiment is as follows: as shown in fig. 1, the facial mask taking, rejecting and folding device comprises a facial mask limiting mechanism 1, a facial mask taking mechanism 2, a facial mask rejecting mechanism 3, a facial mask folding mechanism 4 and a facial mask bag opening mechanism 5, wherein the facial mask taking mechanism 2 is arranged at the upper end of the facial mask limiting mechanism 1, the facial mask rejecting mechanism 3 is arranged at one end of the facial mask taking mechanism 2, the facial mask folding mechanism 4 is arranged at the other end of the facial mask rejecting mechanism 3, and the facial mask bag opening mechanism 5 is arranged at the bottom end of the facial mask folding mechanism 4.

Example two: as shown in fig. 2, 3 and 4, the facial mask limiting mechanism 1 comprises a facial mask limiting column fixing plate 101, a facial mask supporting plate 102, a facial mask inner side limiting column assembly 103, and an adjustable facial mask outer side limiting column assembly 104, wherein the upper end of the facial mask limiting column fixing plate 101 is provided with the facial mask supporting plate 102, the facial mask limiting column fixing plate 101 and the facial mask supporting plate 102 are both provided with obliquely-opened elongated sinking grooves 105 which are parallel and are arranged in a matching manner, the obliquely-opened elongated sinking grooves 105 are provided with at least 4 and are arranged in a mirror image manner, curved round sinking grooves 106 corresponding to eye holes and mouth holes of the facial mask are arranged between the obliquely-opened elongated sinking grooves 105, the adjustable facial mask outer side limiting column assembly 104 penetrates through the obliquely-opened elongated sinking grooves 105 from top to bottom and is fixed at the bottom end of the facial mask limiting column fixing plate 101, the facial mask inner side limiting column assembly 103 penetrates through the curved round sinking grooves 106, the mask inner side limiting column assembly 103 comprises a mask inner side limiting column body 103-1 and a mask limiting top piece 103-2, the top end of the mask inner side limiting column body 103-1 is provided with the mask limiting top piece 103-2, the mask limiting top piece 103-2 is of a cone-shaped structure, the adjustable mask outer side limiting column assembly 104 comprises an adjustable clamping sleeve 104-1, a mask outer side adjusting limiting column 104-2, a limiting screw rod piece 104-3 and a spring rod piece 104-4, the mask outer side adjusting limiting column 104-2 is sleeved in the adjustable clamping sleeve 104-1, the adjustable clamping sleeve 104-1 and the mask outer side adjusting limiting column 104-2 are respectively provided with a threaded positioning hole 104-5 which is communicated with each other from top to bottom in the front and at the back as well as from the left to the right, and the spring rod piece 104-4 penetrates through the threaded positioning holes 104-5 at the front and the back ends and extends forwards to A threaded hole is formed in the center of the spring rod 104-4, the limit screw 104-3 passes through the left threaded positioning hole 104-5, then passes through the threaded hole in the center of the spring rod 104-4, and then passes through the right threaded positioning hole 104-5, the two ends of the limit screw 104-3 are fixed by nuts so as to fix the adjustable clamping sleeve 104-1, the mask outer side adjusting limiting post 104-2 and the spring rod 104-4, the adjustable mask outer side limiting post assembly 104 passes through the inclined open type sunken groove 105 from top to bottom and is fixed at the bottom end of the mask limiting post fixing plate 101 by the mask limiting post fixing screw 107, the mask inner side limiting post assembly 103 passes through the curved circular sunken groove 106 from top to bottom and is fixed at the bottom end of the mask limiting post fixing plate 101 by the mask limiting post fixing screw 107, the rest technical scheme is the same as the first embodiment.

Example three: as shown in fig. 5, 6, 7, 8 and 9, the facial mask taking mechanism 2 includes a facial mask driving unit 201 and a facial mask taking unit 202, the facial mask taking unit 202 is disposed at the bottom end of the facial mask driving unit 201, the facial mask taking unit 202 is a needle-prick type taking structure, the needle-prick type taking structure includes a cylinder 202-1, a movable taking assembly and an inclined fixed limiting assembly, the movable taking assembly includes a transverse guide column connecting plate 202-3, a transverse guide column 202-4, a pin fixing plate 202-5 and a pin 202-6, a piston rod of the cylinder 202-1 extends into a cylinder connecting hole 202-9 formed at the upper end of the transverse guide column connecting plate 202-3, the pin fixing plates 202-5 are disposed at both ends of the transverse guide column connecting plate 202-3, the pin fixing plate 202-5 is formed with a transverse guide hole 202-10, the transverse guide column 202-4 extends into the transverse guide hole 202-10 from two ends of a transverse guide column connecting plate 202-3, the needle insertion fixing plate 202-5 is provided with inclined guide holes 202-11, the cylinder 202-1 is installed in a cylinder protection shell 202-12, the cylinder protection shell 202-12 is provided with an air inlet A202-13 and an air inlet B202-14, an air inlet pipe is communicated with the cylinder 202-1 by penetrating through the air inlet A202-13 and the air inlet B202-14, the cylinder protection shell 202-12 is provided with at least 6 installation fixing holes 202-2, the inclined fixing and limiting assembly comprises an inclined guide column fixing plate 202-7 and an inclined guide limiting column 202-8, and inclined guide column fixing plates 202-7 are arranged at the side ends of the needle insertion fixing plate 202-5, the inclined guide limiting column 202-8 is fixedly arranged at one end of the pin fixing plate 202-5 and extends into the inclined guide hole 202-11, at least one group of parallel pins 202-6 is fixedly arranged at the bottom end of the pin fixing plate 202-5, the pins 202-6 are arranged in an inclined cross manner, the mask driving unit 201 comprises a servo motor 201-1, a left sliding table module 201-2, a right sliding table module 201-3, a movable beam sliding table module 201-4 and a transmission connecting rod 201-5, the left sliding table module 201-2 and the right sliding table module 201-3 are arranged in parallel, the servo motor 201-1 is arranged at the driving end of the left sliding table module 201-2 and the driving end of the right sliding table module 201-3, and the driving ends of the left sliding table module 201-2 and the right sliding table module 201-3 are synchronously driven through the transmission connecting rod 201-5, the two ends of a guide rail of the movable beam sliding table module 201-4 are erected on sliding tables of the left sliding table module 201-2 and the right sliding table module 201-3 respectively, a driving end of the movable beam sliding table module 201-4 is connected with a servo motor 201-1, a lifting cylinder 203 is arranged at the lower end of the movable beam sliding table module 201-4, a piston rod of the lifting cylinder 203 is fixedly connected with a mask taking fixing plate 204 at the bottom end of the lifting cylinder 203, a mask taking unit 202 is connected to the bottom end of the mask taking fixing plate 204 in a threaded manner, and other technical schemes are the same as those in the first embodiment.

Example four: as shown in fig. 10, 11, 12 and 13, the mask rejecting mechanism 3 includes a material picking end conveying belt 301, a thickness detecting unit, a lifting rejecting unit, a folding end conveying belt 303 and a mask recovering box 304, wherein the folding end conveying belt 303 is installed at one end of the material picking end conveying belt 301, a gap is formed between the material picking end conveying belt 301 and the folding end conveying belt 303, the recovered mask box 304 is arranged at the bottom end of the gap, the lifting rejecting unit is arranged at the upper end of the gap, and the thickness detecting unit is installed at the front end of the material picking end conveying belt 301; the thickness detection unit comprises a thickness detection roller 305, a transmission shaft 306, linear guide rails 307 and a displacement sensor 308, the linear guide rails 307 are installed at two side ends of the material taking end conveyor belt 301, the thickness detection roller 305 is sleeved on the transmission shaft 306, two ends of the transmission shaft 306 are respectively sleeved in sliding seats of the linear guide rails 307, a first connecting shaft rod 310 is fixedly installed at the upper ends of the sliding seats of the linear guide rails 307, a sensor fixing support 311 is fixed at one end of the sensor fixing support 310 and sleeved on the first connecting shaft rod 310, the other end of the sensor fixing support 311 is sleeved on a second connecting shaft rod 312, the second connecting shaft rod 312 is installed at one end of a bearing seat 313, and the displacement sensor 308 is installed on the sensor fixing support 311; the lifting material picking unit comprises a controller 302, lifting supports 316, cylinder positioning plates 317, cylinders 318, lifting rods 319 and material picking slotting tools 320, the lifting supports 316 are symmetrically arranged at the side ends of the gap between the material taking end conveying belt 301 and the folding end conveying belt 303, the lifting supports 316 are fixed with the front ends of the material taking end conveying belt 301 or the folding end conveying belt 303, the cylinder positioning plates 317 are fixedly arranged between the lifting supports 316, the cylinders 318 are fixedly arranged on the cylinder positioning plates 317, one ends of the lifting rods 319 are connected with the cylinders 319, the other ends of the lifting rods 319 are fixedly connected with the material picking slotting tools 320, the controller 302 is arranged on the lifting supports 316, and the controller 302 is electrically connected with the cylinders 318 and the displacement sensors 308 respectively; two ends of the transmission shaft 306 are respectively fixed in a sliding seat of the linear guide rail 307 through shaft sleeves 309, an expansion spring 314 is fixedly arranged at the bottom end of the sliding seat of the linear guide rail 307, the other end of the expansion spring 314 is fixed in a spring seat 315 at the side end of the material taking end conveying belt 301, and other technical schemes are the same as those in the first embodiment.

Example five: as shown in fig. 14 and 15, the facial mask bag opening mechanism 5 includes a bag opening vacuum cylinder 501, a first rear vacuum chuck 502, a second rear vacuum chuck 503, a rear bag opening leveling sheet assembly 504, a first front vacuum chuck 505, a second front vacuum chuck 506 and a front bag opening leveling sheet assembly 507, the front end of the bag opening vacuum cylinder 501 is respectively provided with the first rear vacuum chuck 502 and the second rear vacuum chuck 503 which are connected in a self-adaptive manner, the first rear vacuum chuck 502 and the second rear vacuum chuck 503 are respectively sleeved with the rear bag opening leveling sheet assembly 504, the front ends of the first rear vacuum chuck 502 and the second rear vacuum chuck 503 are respectively provided with the first front vacuum chuck 505 and the second front vacuum chuck 506 in a parallel manner, the first front vacuum chuck 505 and the second front vacuum chuck 506 are respectively sleeved with the front bag opening leveling sheet assembly 507, the rear bag opening leveling sheet assembly 504 and the front bag opening leveling sheet assembly 507 each include a supporting sleeve plate 508, a supporting sleeve 508, a second rear vacuum chuck 508, a second front bag opening leveling sheet assembly 507 and a front, An arc-shaped connecting plate 509 and a leveling positioning pressing sheet 510, wherein the arc-shaped connecting plate 509 is welded at the upper end of the supporting sleeve plate 508, a connecting hole is formed in the arc-shaped connecting plate 509, the leveling positioning pressing sheet 510 is divided into four parts, a positioning connecting portion 510-1 is arranged at the upper end of the leveling positioning pressing sheet 510, a sliding groove 510-4 is formed in the positioning connecting portion 510-1, the positioning connecting portion 510-1 is arranged at the upper end of the arc-shaped connecting plate 509 and penetrates through the connecting hole and the sliding groove 510-4 through a rivet so as to movably connect the positioning connecting portion 510-1 to the arc-shaped connecting plate 509, a leveling pressing sheet portion 510-2 is arranged at the side end of the positioning connecting portion 510-1 and is perpendicular to the positioning connecting portion, oblique bag feeding pressing sheet portions 510-3 are arranged at the two, The one end of vacuum chuck 503 and first preceding vacuum chuck 505, the second preceding vacuum chuck 506 behind the second overlaps respectively and locates in the locating hole, the vacuum chuck constant head tank has been seted up on flattening pressure plate portion 510-2, the one end of vacuum chuck 503 and first preceding vacuum chuck 505, the second preceding vacuum chuck 506 is fixed respectively to overlap locates in the vacuum chuck constant head tank, open bag vacuum cylinder 501 upper end fixed mounting has cylinder installation bedplate 511, cylinder installation bedplate 511 front end extends forward and joint in support lagging 508 upper end, vacuum chuck 505, the second preceding vacuum chuck 506 is linked together with aspiration pump 513 through connecting pipe 512 that admits air, the last gas vent 514 of having seted up of aspiration pump 513, all the other technical scheme is the same with the embodiment one.

For the convenience of understanding the above technical solutions of the present invention, the following detailed descriptions of the above technical solutions of the present invention are provided by specific installation and use modes.

The specific installation and use process is as follows: before use, the thickness detection roller 305 of the mask rejecting mechanism 3 is debugged to the position of one layer of mask thickness on the linear guide rail 307, after the debugging is finished, the mask is placed on the mask supporting plate 102 of the mask limiting mechanism 1 in order, the mask inner side limiting column assembly 103 is adjusted in the curved circular sinking grooves 106 on the mask limiting column fixing plate 101 and the mask supporting plate 102 according to the sizes of the eye holes and the mouth holes of the mask, after the adjustment is finished, the mask inner side limiting column assembly 103 is fixed at the bottom end of the mask limiting column fixing plate 101 through the mask limiting column fixing screw 107, then the adjustable clamping sleeve 104-1 of the adjustable mask outer side limiting column assembly 104 is adjusted in the inclined elongated sinking groove 105 according to the size of the mask, after the adjustment is finished, the adjustable clamping sleeve 104-is fixed at the bottom end of the mask limiting column fixing plate 101 through the mask limiting column fixing screw 107, the facial mask outer side adjusting limit post 104-2 of the adjustable facial mask outer side limit post assembly 104 is lifted and lowered in the adjustable clamp sleeve 104-1 according to the height of the facial mask stacked, after the adjustment is completed, the spring rod piece 104-4 firstly passes through the adjusting clamp sleeve 104-1 and the threaded positioning hole 104-5 at the front end and the rear end of the facial mask outer side adjusting limit post 104-2 and extends forwards to the upper end of the facial mask so as to press the facial mask tightly, then the limit screw piece 104-3 passes through the threaded positioning hole 104-5 at the left end, then passes through the threaded hole at the central part of the spring rod piece 104-4 and then passes through the two ends of the threaded positioning hole 104-5 at the right end, the two ends of the limit screw piece 104-3 are fixed through nuts so as to fix the adjustable clamp sleeve 104-1, the facial mask, then, the mask driving unit 201 of the mask taking mechanism 2 is started, the servo motor 201-1 drives the left sliding table module 201-2 and the right sliding table module 201-3, the transmission link 201-5 drives the left sliding table module 201-2 and the right sliding table module 201-3 to synchronously transmit, the other set of servo motor 201-1 drives the moving beam sliding table module 201-4 to make translational motion on the sliding tables of the left sliding table module 201-2 and the right sliding table module 201-3, a distance measuring sensor is arranged on the moving beam sliding table module 201-4, the distance measuring sensor, the servo motor 201-1, the air cylinder 202-1 and the lifting air cylinder 203 are electrically connected with a control device, the distance measuring sensor and the control device are used for accurately controlling the translational position of the moving beam sliding table module 201-4, and after the moving beam sliding table module 201-4 reaches the designated position, the lifting cylinder 203 at the bottom end of the movable beam sliding table module 201-4 is started by the control device, the piston rod of the lifting cylinder 203 is pressed downwards to enable the mask taking fixing plate 204 and the mask taking unit 202 at the bottom end to descend, the cylinder 202-1 of the mask taking unit 202 is started by the control device, the cylinder 202-1 is ejected downwards into the cylinder connecting hole 202-9 of the movable taking assembly, so that the transverse guide column connecting plate 202-3, the transverse guide column 202-4, the pin fixing plate 202-5 and the pins 202-6 of the movable taking assembly integrally move downwards, the inclined guide limiting column 202-8 of the inclined fixing limiting assembly is fixed, the pin fixing plate 202-5 and the pins 202-6 at the bottom end are ejected upwards in an inclined mode along the inclined guide hole 202-11 direction on the pin fixing plate 202-5, so that the contact pin 202-6 can be firmly inserted with the facial mask to be grabbed to complete material fetching, the lifting cylinder 203 at the bottom end of the movable beam sliding table module 201-4 is lifted through the control device, the other end of the movable beam sliding table module 201-4 of the facial mask driving unit 201 translates to drive the facial mask fetching unit 202 to drive the facial mask to translate to the upper part of the fetching end conveyer belt 1 of the facial mask fetching mechanism 3, then the piston rod of the lifting cylinder 203 is pressed downwards to make the facial mask fetching fixing plate 204 at the bottom end and the facial mask fetching unit 202 descend, the cylinder 202-1 of the facial mask fetching unit 202 is closed through the control device, the piston rod of the cylinder 202-1 contracts upwards, so that the transverse guide column connecting plate 202-3, the transverse guide column 202-4, the contact pin fixing plate 202-5 and the contact pin 202-6 of the, the facial mask to be grabbed is placed on the material taking end conveying belt 1 and conveyed to the position below a thickness detection roller 305 of a thickness detection unit, the thickness detection roller 305 is jacked upwards by more than two layers of facial masks due to the increase of the thickness, a sliding table of a linear guide rail 307 moves upwards, so that a first connecting shaft rod 310 fixed at the upper end of the linear guide rail 307 drives a sensor fixing support 311 to move upwards, a displacement sensor 308 on the sensor fixing support 311 sends a signal to a controller 302 after detecting the signal, the controller 302 starts an air cylinder 318 of a lifting material picking unit after receiving the signal, the air cylinder 318 drives a lifting rod 319 and a material picking slotting tool 320 to press the facial mask downwards into a recovery facial mask box 304 at the bottom end of a gap between the material taking end conveying belt 301 and a folding end conveying belt 303, the removal of the multi-layer facial masks is realized, and then the facial mask enters a facial mask folding mechanism 4 through the folding end conveying belt 303 to, then the bag opening vacuum cylinder 501 of the facial mask bag opening mechanism 5 is started, the bag opening vacuum cylinder 501 pushes a cylinder piston rod to drive the rear first rear vacuum chuck 502, the second rear vacuum chuck 503 and the rear bag opening leveling tabletting assembly 504 to move forwards, the positioning connecting part 510-1 of the leveling positioning tabletting 510 of the rear bag opening leveling tabletting assembly 504 pushes the leveling tabletting part 510-2 and the inclined bag entering tabletting part 510-3 to move forwards, a worker can extrude the facial mask bag through the inclined bag entering tabletting part 510-3 of the rear bag opening leveling tabletting assembly 504 and the front bag opening leveling tabletting assembly 507 so that the originally uneven surface part of the mouth of the facial mask bag can enter between the two sets of leveling tabletting parts 510-2 along the mouth of the facial mask bag, and the facial mask bag is elastically contracted by the two sets of leveling tabletting parts 510-2 with a smaller gap than the inclined bag entering tabletting part 510-3, the bag edge is tightly sucked by the first rear vacuum sucker 502, the second rear vacuum sucker 503, the first front vacuum sucker 505 and the second front vacuum sucker 506 under the action of negative pressure, the bag opening vacuum cylinder 501 reciprocates to open and close the bag, and the folded mask enters the mask packaging bag downwards through the mask folding mechanism 4 to be packaged.

The foregoing is illustrative and explanatory of the invention and is not intended to limit the advantages attainable thereby, and it is within the scope of the present application for any one or more of the advantages to be realized, whether simple changes in construction and/or implementation in some embodiments are possible in the practice of the invention.

Claims

1. The utility model provides a material folding device is picked to facial mask material taking which characterized in that: the facial mask bag opening mechanism comprises a facial mask limiting mechanism (1), a facial mask taking mechanism (2), a facial mask removing mechanism (3), a facial mask folding mechanism (4) and a facial mask bag opening mechanism (5), wherein the facial mask taking mechanism (2) is arranged at the upper end of the facial mask limiting mechanism (1), the facial mask removing mechanism (3) is arranged at one end of the facial mask taking mechanism (2), the facial mask folding mechanism (4) is arranged at the other end of the facial mask removing mechanism (3), and the facial mask bag opening mechanism (5) is arranged at the bottom end of the facial mask folding mechanism (4);

facial mask stop gear (1) is including facial mask spacing post fixed plate (101), facial mask bearing plate (102), inboard spacing post subassembly of facial mask (103), the spacing post subassembly in facial mask outside (104) of adjustable, facial mask spacing post fixed plate (101) upper end is equipped with facial mask bearing plate (102), all set up on facial mask spacing post fixed plate (101) and facial mask bearing plate (102) parallel and be the slant of adaptation setting and open elongated heavy groove (105), the slant is opened elongated heavy groove (105) and is equipped with 4 at least and all be the mirror image setting, the slant is opened between elongated heavy groove (105) and is opened and be equipped with the eyelet and the curved circular type heavy groove (106) corresponding with the mouth hole of facial mask, adjustable facial mask outside spacing post subassembly (104) passes the slant from top to bottom and opens elongated heavy groove (105) and is fixed in facial mask spacing post fixed plate (101) bottom, inboard spacing post subassembly of facial mask (103) passes curved circular type heavy groove (106) from top to bottom and is fixed in the spacing post The bottom end of the fixed plate (101);

the facial mask taking mechanism (2) comprises a facial mask driving unit (201) and a facial mask taking unit (202), the facial mask taking unit (202) is arranged at the bottom end of the facial mask driving unit (201), the facial mask taking unit (202) is of a needle-prick type taking structure, the needle-prick type taking structure comprises an air cylinder (202-1), a movable taking assembly and an oblique fixed limiting assembly, the movable taking assembly comprises a transverse guide column connecting plate (202-3), a transverse guide column (202-4), a pin fixing plate (202-5) and a pin (202-6), a piston rod of the air cylinder (202-1) stretches into an air cylinder connecting hole (202-9) formed in the upper end of the transverse guide column connecting plate (202-3), the pin fixing plates (202-5) are arranged at two ends of the transverse guide column connecting plate (202-3), the inserting needle fixing plate (202-5) is provided with transverse guide holes (202-10), the transverse guide posts (202-4) extend into the transverse guide holes (202-10) from two ends of a transverse guide post connecting plate (202-3), the inserting needle fixing plate (202-5) is provided with inclined guide holes (202-11), the air cylinder (202-1) is installed in an air cylinder protective shell (202-12), the air cylinder protective shell (202-12) is provided with an air inlet A (202-13) and an air inlet B (202-14), an air inlet pipe is communicated with the air cylinder (202-1) by penetrating through the air inlet A (202-13) and the air inlet B (202-14), the air cylinder protective shell (202-12) is provided with at least 6 installation fixing holes (202-2), and the inclined fixing and limiting assembly comprises an inclined guide post fixing plate (202-7), The lateral ends of the pin fixing plates (202-5) are respectively provided with an oblique guide post fixing plate (202-7), the oblique guide limiting posts (202-8) are fixedly arranged at one end of the pin fixing plates (202-5) and extend into oblique guide holes (202-11), the bottom ends of the pin fixing plates (202-5) are fixedly provided with at least one group of pins (202-6) which are arranged in parallel, and the pins (202-6) are arranged in an oblique crossing manner;

the facial mask picking mechanism (3) comprises a picking end conveying belt (301), a thickness detection unit, a lifting picking unit, a folding end conveying belt (303) and a recovery facial mask box (304), wherein the folding end conveying belt (303) is installed at one end of the picking end conveying belt (301), a gap is formed between the picking end conveying belt (301) and the folding end conveying belt (303), the recovery facial mask box (304) is arranged at the bottom end of the gap, the lifting picking unit is arranged at the upper end of the gap, and the thickness detection unit is installed at the front end of the picking end conveying belt (301); the thickness detection unit comprises a thickness detection roller (305), a transmission shaft (306), a linear guide rail (307) and a displacement sensor (308), the linear guide rail (307) is installed at two side ends of the material taking end conveyor belt (301), the thickness detection roller (305) is sleeved on the transmission shaft (306), two ends of the transmission shaft (306) are respectively sleeved in a sliding seat of the linear guide rail (307), a first connecting shaft rod (310) is fixedly installed at the upper end of the sliding seat of the linear guide rail (307), a sensor fixing support (311) is fixed at one end and sleeved on the first connecting shaft rod (310), the other end of the sensor fixing support (311) is sleeved on a second connecting shaft rod (312), the second connecting shaft rod (312) is installed at one end of a bearing seat (313), and the displacement sensor (308) is installed on the sensor fixing support (311); the lifting material rejecting unit comprises a controller (302), a lifting bracket (316), a cylinder positioning plate (317), a cylinder (318), a lifting rod (319) and a material rejecting slotting tool (320), the lifting brackets (316) are symmetrically arranged at the side end of the gap between the material taking end conveying belt (301) and the folding end conveying belt (303), the lifting support (316) is fixed with the front end of the material taking end conveying belt (301) or the folding end conveying belt (303), an air cylinder positioning plate (317) is fixedly arranged between the lifting brackets (316), an air cylinder (318) is fixedly arranged on the air cylinder positioning plate (317), one end of the lifting rod (319) is connected with the cylinder (319), the other end of the lifting rod (319) is fixedly connected with the material rejecting slotting tool (320), the controller (302) is installed on the lifting support (316), and the controller (302) is electrically connected with the air cylinder (318) and the displacement sensor (308) respectively;

the facial mask bag opening mechanism (5) comprises a bag opening vacuum cylinder (501), a first rear vacuum suction cup (502), a second rear vacuum suction cup (503), a rear bag opening leveling tabletting assembly (504), a first front vacuum suction cup (505), a second front vacuum suction cup (506) and a front bag opening leveling tabletting assembly (507), the front end of the bag opening vacuum cylinder (501) is respectively provided with a first rear vacuum sucker (502) and a second rear vacuum sucker (503) which are in self-adaptive connection, the first rear vacuum suction cup (502) and the second rear vacuum suction cup (503) are respectively sleeved with a rear bag opening and leveling tabletting assembly (504), the front ends of the first rear vacuum sucker (502) and the second rear vacuum sucker (503) are respectively provided with a first front vacuum sucker (505) and a second front vacuum sucker (506) in parallel, the first front vacuum suction cup (505) and the second front vacuum suction cup (506) are respectively sleeved with a front bag opening and leveling pressing sheet assembly (507).

2. The mask picking and folding device according to claim 1, wherein: the mask inner side limiting column assembly (103) comprises a mask inner side limiting column body (103-1) and a mask limiting top piece (103-2), the mask limiting top piece (103-2) is arranged at the top end of the mask inner side limiting column body (103-1), and the mask limiting top piece (103-2) is of a cone-shaped structure.

3. The mask picking and folding device according to claim 1, wherein: the adjustable facial mask outer side limiting column assembly (104) comprises an adjustable clamping sleeve (104-1), a facial mask outer side adjusting limiting column (104-2), a limiting screw rod piece (104-3) and a spring rod piece (104-4), the facial mask outer side adjusting limiting column (104-2) is sleeved in the adjustable clamping sleeve (104-1), threaded positioning holes (104-5) which are communicated with each other are formed in the front and back of the adjustable clamping sleeve (104-1) and the facial mask outer side adjusting limiting column (104-2) and in the left and right sides of the adjustable clamping sleeve (104-1) and in the left and right sides of the adjustable clamping sleeve (104-2), the spring rod piece (104-4) penetrates through the threaded positioning holes (104-5) in the front and back ends and extends forwards to the upper end of the facial mask to compress the facial mask, a threaded hole is formed in the center of the spring rod piece (104-4), and the limiting screw rod piece ( 4) The threaded hole of the central part penetrates through two ends of a threaded positioning hole (104-5) at the right end, two ends of a limiting screw rod piece (104-3) are fixed through nuts so as to fix an adjustable clamping sleeve (104-1), a mask outer side adjusting limiting column (104-2) and a spring rod piece (104-4), the adjustable mask outer side limiting column component (104) penetrates through an inclined open elongated sinking groove (105) from top to bottom and is fixed at the bottom end of a mask limiting column fixing plate (101) through a mask limiting column fixing screw (107), and the mask inner side limiting column component (103) penetrates through a curved circular sinking groove (106) from top to bottom and is fixed at the bottom end of the mask limiting column fixing plate (101) through the mask limiting column fixing screw (107).

4. The mask picking and folding device according to claim 1, wherein: the facial mask driving unit (201) comprises a servo motor (201-1), a left sliding table module (201-2), a right sliding table module (201-3), a movable beam sliding table module (201-4) and a transmission connecting rod (201-5), wherein the left sliding table module (201-2) and the right sliding table module (201-3) are arranged in parallel, the servo motor (201-1) is arranged at the driving end of the left sliding table module (201-2) and the driving end of the right sliding table module (201-3), the driving ends of the left sliding table module (201-2) and the right sliding table module (201-3) are synchronously transmitted through the transmission connecting rod (201-5), two ends of a guide rail of the movable beam sliding table module (201-4) are respectively erected on the sliding tables of the left sliding table module (201-2) and the right sliding table module (201-3), the drive end of the moving beam sliding table module (201-4) is connected with a servo motor (201-1), the lower end of the moving beam sliding table module (201-4) is provided with a lifting cylinder (203), a piston rod of the lifting cylinder (203) is fixedly connected with a mask material taking fixing plate (204) at the bottom end of the piston rod, and a mask material taking unit (202) is in threaded connection with the bottom end of the mask material taking fixing plate (204).

5. The mask picking and folding device according to claim 1, wherein: two ends of the transmission shaft (306) are respectively fixed in a sliding seat of the linear guide rail (307) through shaft sleeves (309), an expansion spring (314) is fixedly arranged at the bottom end of the sliding seat of the linear guide rail (307), and the other end of the expansion spring (314) is fixed in a spring seat (315) at the side end of the material taking end conveying belt (301).

6. The mask picking and folding device according to claim 1, wherein: the rear bag opening leveling pressing sheet component (504) and the front bag opening leveling pressing sheet component (507) respectively comprise a support sleeve plate (508), an arc-shaped connecting plate (509) and a leveling positioning pressing sheet (510), the arc-shaped connecting plate (509) is welded at the upper end of the support sleeve plate (508), a connecting hole is formed in the arc-shaped connecting plate (509), the leveling positioning pressing sheet (510) is divided into four parts, a positioning connecting part (510-1) is arranged at the upper end of the leveling positioning pressing sheet (510), a sliding groove (510-4) is formed in the positioning connecting part (510-1), the positioning connecting part (510-1) is arranged at the upper end of the arc-shaped connecting plate (509) and penetrates through the connecting hole and the sliding groove (510-4) through a rivet so that the positioning connecting part (510-1) is movably connected with the arc-shaped connecting plate (509), and a leveling pressing sheet part (510-, the two ends of the leveling pressure piece part (510-2) are provided with oblique bag-entering pressure piece parts (510-3).

7. The mask picking and folding device according to claim 1, wherein: the supporting sleeve plate (508) is provided with a positioning hole, and one end of each of the first rear vacuum chuck (502), the second rear vacuum chuck (503), the first front vacuum chuck (505) and the second front vacuum chuck (506) is respectively sleeved in the positioning hole.

8. The mask picking and folding device according to claim 6, wherein: the vacuum chuck positioning groove is formed in the flattening pressing plate part (510-2), and one end of each of the first rear vacuum chuck (502), the second rear vacuum chuck (503), the first front vacuum chuck (505) and the second front vacuum chuck (506) is respectively fixedly sleeved in the vacuum chuck positioning groove.

9. The mask picking and folding device according to claim 1, wherein: the upper end of the bag opening vacuum cylinder (501) is fixedly provided with a cylinder mounting seat plate (511), and the front end of the cylinder mounting seat plate (511) extends forwards and is clamped at the upper end of the supporting sleeve plate (508).

10. The mask opening mechanism of claim 1, wherein: the first front vacuum sucker (505) and the second front vacuum sucker (506) are communicated with an air suction pump (513) through an air inlet connecting pipe (512), and an air outlet (514) is formed in the air suction pump (513).