CN111493433A

CN111493433A - Mask production line

Info

Publication number: CN111493433A
Application number: CN202010362407.4A
Authority: CN
Inventors: 陶为银
Original assignee: Suzhou Drfu Automation Technology Co ltd
Current assignee: Suzhou Drfu Automation Technology Co ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2020-08-07

Abstract

The invention discloses a mask production line, which comprises a frame, wherein a placing frame for placing mask cloth and a nose bridge line, a shaping mechanism for shaping the mask cloth, a cutting and flanging mechanism for cutting a nose bridge strip and flanging the mask cloth, an ultrasonic welding and cutting mechanism for welding the nose bridge strip in the mask cloth and cutting the mask cloth, an edge dividing mechanism for dividing the mask, a first turnover mechanism and a second turnover mechanism which are respectively connected with the edge dividing mechanism and are used for turning over the mask, an ear strip line welding mechanism which is respectively connected with the first turnover mechanism and the second turnover mechanism and is used for welding an ear strip line on the mask, an ear strip folding mechanism for hot-pressing and shaping the ear strip line and a blanking mechanism for blanking the mask are sequentially arranged on the frame, so that the working time of each station is reasonably distributed, the equipotential time during mask production is reduced, and the production rate during mask production is improved.

Description

Mask production line

Technical Field

The invention relates to the field of mask production, in particular to a mask production line.

Background

The mask is a sanitary article, is generally worn at the mouth and nose part and used for filtering air entering the mouth and nose so as to achieve the purpose of preventing harmful gas, smell or spray from entering and exiting the mouth and nose of a wearer, is made of materials such as gauze or paper, has a certain filtering effect on the air entering the lung, and has a very good effect when the mask is worn during operation in an environment polluted by respiratory infectious diseases or dust and the like. Along with the development of science and technology, the mechanical level is improved, the level of gauze mask production is higher and higher, and the gauze mask production flow is more and more simplified, and gauze mask production system comes to the end.

However, the prior art still has the problem of low efficiency when the mask is produced.

Disclosure of Invention

The invention aims to provide a mask production line capable of improving mask production efficiency.

The technical scheme adopted by the invention for solving the technical problems is as follows: mask production line, which comprises a frame, the rack that is used for placing gauze mask and nose bridge line has set gradually in the frame, a plastic mechanism for carrying out the plastic to gauze mask, a turn-ups mechanism that cuts off for cutting off the bridge of the nose strip and carry out the turn-ups to gauze mask, with bridge of the nose strip welding in gauze mask and carry out the ultrasonic bonding shutdown mechanism of cutting off the operation to gauze mask, carry out the branch limit mechanism of branch limit to gauze mask, be used for carrying out the first tilting mechanism and the second tilting mechanism that overturn to the gauze mask with being connected with branch limit mechanism respectively, be connected with first tilting mechanism respectively and be used for welding the ear area line on the gauze mask with the second tilting mechanism that is connected, be used for carrying out the unloading mechanism with the ear area line hot pressing that stereotypes with ear area line book mechanism and to the gauze mask.

Further, the method comprises the following steps: the placing frame comprises a frame body, wherein a plurality of material rolls for placing mask cloth and nose bridge rolls for placing nose bridge strips are arranged on the frame body;

shaping mechanism is including plastic mechanism and forming mechanism in advance, plastic mechanism includes in advance the whole mounting bracket and installs the last plastic gyro wheel in advance and the plastic gyro wheel in advance down on the whole mounting bracket in advance, go up in advance plastic gyro wheel and be provided with the gap that supplies gauze mask cloth to pass through down between the plastic gyro wheel in advance, forming mechanism is including the forming mounting bracket, be provided with the shaping piece that carries out the design to the gauze mask cloth after shaping in advance on the forming mounting bracket.

Further, the method comprises the following steps: the cutting and flanging mechanism comprises a mounting plate, a bottom plate is arranged on the mounting plate, a mask guide plate is arranged on the upper portion of the bottom plate, a gap for the mask to pass through is formed between the bottom plate and the mask guide plate, erection plates for driving the two sides of the mask to erect are arranged on the two sides of the bottom plate 2, and a folding mechanism for driving the two sides of the mask to erect and fold is arranged at the tail end of the bottom plate;

a nose bridge conveying plate is further arranged above the mask guide plate, a nose bridge conveying mechanism for driving the nose bridge to move on the nose bridge conveying plate and a nose bridge cutting mechanism for cutting the nose bridge are sequentially arranged on the mounting plate along the movement direction of the nose bridge, and a guide conveying mechanism for driving the nose bridge to move to the inside of the mask flanging is arranged at the tail end of the nose bridge conveying plate;

the nose bridge conveying mechanism and the nose bridge cutting mechanism are sequentially arranged in the cavities, and limit bolts penetrating through the top of the driving installation frame are arranged at the upper ends of the nose bridge conveying mechanism and the nose bridge cutting mechanism.

Further, the method comprises the following steps: the nose bridge piece conveying mechanism comprises a conveying mounting frame, conveying rollers are arranged on the conveying mounting frame, and supporting rollers matched with the driving rollers are arranged below the conveying rollers;

the nose bridge strip cutting mechanism comprises a cutting roller, a groove for placing a cutting knife is formed in the cutting roller, the cutting knife is arranged in the groove, one end of the cutting knife extends out of the edge of the cutting roller, and the nose bridge strip cutting mechanism further comprises a roller driving mechanism for driving the conveying roller and the cutting roller to rotate;

the roller driving mechanism comprises a first driving rod for driving the cutting roller to rotate, a second driving rod for driving the conveying roller to rotate, a first driving wheel arranged on the first driving rod, a second driving wheel arranged on the second driving rod, a driving wheel meshed with the first driving wheel and the second driving wheel simultaneously arranged between the first driving wheel and the second driving wheel, and a motor for driving the first driving wheel to rotate;

the guide conveying mechanism comprises a conveying bottom plate and a conveying panel, a nose bridge strip conveying pipeline is arranged between the conveying bottom plate and the conveying panel, an opening at one end, close to a nose bridge strip cutting mechanism, of the nose bridge strip conveying pipeline is larger than the other end of the nose bridge strip conveying pipeline, the nose bridge strip conveying pipeline is obliquely arranged, and one end, close to the nose bridge strip cutting mechanism, of the tubular structure is higher than the other end of the tubular structure.

Further, the method comprises the following steps: the folding mechanism comprises a left folding mechanism and a right folding mechanism, the left folding mechanism comprises a left pressing plate, one side, close to the left pressing plate, of the conveying panel is provided with a first arc-shaped surface, one side, close to the conveying panel, of the left pressing plate is provided with a second arc-shaped surface matched with the first arc-shaped surface, one side, far away from the nose bridge cutting mechanism, of the guide conveying mechanism is provided with a first vertical plate and a first transverse plate which are connected with each other, the first vertical plate and the first transverse plate are vertically arranged, the right folding mechanism is of a bending structure and comprises a second vertical plate and a second transverse plate which are connected with each other, and one side, far away from the tail end of the bottom plate, of the second transverse;

and one sides of the left bending mechanism, the right bending mechanism and the guide conveying mechanism are provided with fixing plates fixedly connected with the base plate, and the fixing plates are provided with kidney-shaped grooves used for adjusting positions.

Further, the method comprises the following steps: the ultrasonic welding cutting mechanism comprises a welding cutting frame, and an ultrasonic welding roller and a plurality of mask cloth transmission rollers are sequentially arranged on the welding cutting frame;

the bottom of the ultrasonic welding roller is provided with an ultrasonic welding generator, and the surface of the ultrasonic welding roller is provided with a welding bulge for welding;

a groove for accommodating a cutting knife is formed in one of the mask cloth conveying rollers, and the cutting knife for cutting the mask cloth is arranged in the groove;

a first belt line for conveying the mask to the edge dividing mechanism is arranged at the tail of the welding and cutting frame, and a first compression roller for preventing the mask from flying up is arranged on the first belt line;

the welding cutting frame also comprises an electrostatic generator arranged at the tail part of the welding cutting frame.

The edge separating mechanism comprises an edge separating frame, a mask placing plate is arranged on the edge separating frame, a first overturning driving roller and a second overturning driving roller are arranged on the edge separating frame, the mask placing plate is divided into a first placing channel communicated with a first overturning mechanism, a middle placing channel communicated with a first belt line and a second placing channel communicated with a second overturning mechanism by the first overturning driving roller and the second overturning driving roller, the first overturning driving roller is provided with two L-shaped overturning hooks symmetrical relative to the first overturning driving roller, the second overturning driving roller is provided with two L-shaped overturning hooks symmetrical relative to the second overturning driving roller, and a material pushing cylinder is arranged on one side of the first placing channel, which is far away from the first overturning mechanism, and one side of the second placing channel, which is far away from the second overturning mechanism;

first tilting mechanism and second tilting mechanism all include the second belt line that is used for transmitting the gauze mask, second belt line middle part is provided with the rotary driving mechanism that rotary motion was done to upset piece and drive upset piece, upset piece both sides all are provided with the trip bar, the trip bar sets up respectively in the upper portion and the lower part of upset piece for the trip bar of upset piece both sides is located the upside and the downside of second belt line respectively.

Further, the method comprises the following steps: the ear band wire welding mechanism is used for transmitting a mask transmission platform of a mask, a welding frame is arranged on the mask transmission platform, a mask pressing device used for pressing the surface of the mask is arranged in the middle of the welding frame, ultrasonic welding mechanisms used for welding ear band wires on the mask are arranged on two sides of the mask pressing device, ear band wire placing frames used for placing ear band wire coils are arranged on two sides of the upper end of the welding frame, wire moving and cutting mechanisms are arranged on two sides of the lower end of the welding frame, and clamping mechanisms used for clamping two welding ends of the ear band wires are further arranged on two sides of the mask pressing device;

the mask pressing device comprises a connecting plate connected with the welding frame, a first lower pressing plate and a second lower pressing plate are arranged below the connecting plate, a spring is arranged between the first lower pressing plate and the second lower pressing plate, and a first driving mechanism used for driving the first lower pressing plate to do lifting motion is arranged on the connecting plate;

the ultrasonic welding mechanism comprises an ultrasonic generator arranged at the bottom of the rack and a welding rod positioned above the ultrasonic generator, and a second driving mechanism for driving the welding rod to move towards the ultrasonic generator is arranged on the rack;

the utility model discloses a wire moving and trimming device, including earring line rack, first line gyro wheel and second line gyro wheel are sent to the second that is provided with the pole of placing and drives earring line to move the motion of earring line book that is used for placing earring line book on the earring line rack, first line gyro wheel and the second of sending is provided with the clearance that supplies the earring line to pass between the gyro wheel, still including the first line gyro wheel pivoted of sending of drive send line gyro wheel driving motor.

Further, the method comprises the following steps: the clamping mechanism comprises a first clamping jaw and a second clamping jaw which are used for clamping two ends of an ear belt line respectively, and a third driving mechanism which drives the first clamping jaw and the second clamping jaw to do lifting motion is arranged on the welding frame;

the wire moving and cutting mechanism comprises a wire moving bottom plate, wherein wire moving guide mechanisms are respectively arranged on the wire moving bottom plate, electric scissors and a third clamping jaw are arranged on one side of the wire moving guide mechanisms, and the wire moving and cutting mechanism also comprises a fourth driving mechanism used for driving the third clamping jaw to move from the first clamping jaw to the second clamping jaw;

move line guiding mechanism and include the guide mounting panel, be provided with ear area line guide roller and guide block on the guide mounting panel, be provided with the recess on the guide block, the recess top is provided with the lug that can stretch into the recess, the lug top is provided with the fifth actuating mechanism that elevating movement was done to the drive lug.

Further, the method comprises the following steps: roll over otic placode mechanism and include hot pressing design frame, the hot pressing is provided with the sixth actuating mechanism that elevating movement was done to hot pressboard and drive hot pressboard on the design frame, the hot pressboard both sides are provided with the cylinder of bending of folding the earmuff line to the earmuff face.

The invention has the beneficial effects that: this application becomes two stations with ear beltline welding design to realize each station operating time's rational distribution, the equipotential time when reducing gauze mask production, production rate when improving gauze mask production, simultaneously through the improvement to the turn-ups cutting mechanism, guarantee the welding rate and the welding success rate of bridge of the nose strip.

Drawings

Fig. 1 is a schematic view of a mask production line.

Fig. 2 is a schematic view of the rack.

Fig. 3 is a schematic view of a shaping mechanism.

Fig. 4 is an overall schematic view of the cutting and flanging mechanism.

Fig. 5 is an overall rear view of the cut-off turn-up mechanism.

Fig. 6 is a schematic view of the internal structure of the cutting and flanging mechanism.

Fig. 7 is a schematic view of a guide conveying mechanism in the cutting and flanging mechanism.

Fig. 8 is a schematic diagram of a left folding mechanism in the cutting and flanging mechanism.

Fig. 9 is a schematic view of a right folding mechanism in the cutting and flanging mechanism.

FIG. 10 is a schematic view of an ultrasonic welding cutting mechanism.

Fig. 11 is a schematic view of the edge separation mechanism.

Fig. 12 is a schematic view of the first flipping mechanism.

Fig. 13 is a schematic view of an ear strap wire welding mechanism.

FIG. 14 is a schematic view of a thread shifting and trimming mechanism.

Fig. 15 is a schematic view of the ear bending strap mechanism.

Labeled as:

the nose bridge support comprises a placing frame 1, a frame body 11, a material roll 12 and a nose bridge roll 13;

the shaping mechanism 2, the pre-shaping mounting frame 21, the upper pre-shaping roller 22, the lower pre-shaping roller 23, the shaping mounting frame 24 and the shaping block 25;

the cutting and flanging mechanism 3, the mounting plate 31, the bottom plate 32, the mask guide plate 33, the erection plate 34, the nose bridge conveying plate 35, the nose bridge conveying mechanism 36, the driving mounting frame 361, the limit bolt 362, the conveying mounting frame 363, the conveying roller 364, the supporting roller 365, the second driving wheel 366, the nose bridge cutting mechanism 37, the cutting roller 371, the cutting knife 372, the first driving wheel 373, the driving wheel 374, the motor 375, the left folding mechanism 381, the first vertical plate 3811, the first transverse plate 3812, the left pressing plate 3813, the right folding mechanism 382, the second vertical plate 3821, the second transverse plate 3822, the fixing plate 39, the waist-shaped groove 391, the guiding and conveying mechanism 310, the conveying panel 3101 and the conveying bottom plate 3102;

an ultrasonic welding cutting mechanism 4, an ultrasonic welding roller 41, a mask cloth transmission roller 42, a cutting knife 43 and an electrostatic generator 44;

the edge separating mechanism 5, a first overturning driving roller 51, a second overturning driving roller 52, a first placing channel 53, a second placing channel 54, an L type overturning hook 55 and a pushing cylinder 56;

a first turnover mechanism 6, a second belt line 61, a turnover block 62 and a turnover rod 63;

the ear belt line welding mechanism 7, the welding frame 71, the mask pressing device 72, the ear belt line placing frame 73, the line moving and trimming mechanism 74, the guide mounting plate 741, the guide roller 742, the guide block 743, the bump 744, the electric scissors 745, the third clamping jaw 746, the fourth driving mechanism 747, the first clamping jaw 751, the second clamping jaw 752, the third driving mechanism 753 and the ultrasonic welding mechanism 76;

the ear bending belt mechanism 8, the hot pressing plate 81, the sixth driving mechanism 82 and the bending cylinder 83;

a blanking mechanism 9;

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as limited to those embodiments set forth herein.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The mask production line shown in fig. 1 comprises a frame, wherein a placing frame 1 for placing mask cloth and a nose bridge line, a shaping mechanism 2 for shaping the mask cloth, a cutting and flanging mechanism 3 for cutting the nose bridge strip and flanging the mask cloth, an ultrasonic welding and cutting mechanism 4 for welding the nose bridge strip in the mask cloth and cutting the mask cloth, an edge dividing mechanism 5 for dividing the mask, a first turnover mechanism 6 and a second turnover mechanism which are respectively connected with the edge dividing mechanism 5 and are used for turning over the mask, an ear strip line welding mechanism 7 which is respectively connected with the first turnover mechanism 6 and the second turnover mechanism and is used for welding the ear strip line on the mask, an ear strip folding mechanism 8 for hot-pressing and shaping the ear strip line and a blanking mechanism for blanking the mask are sequentially arranged on the frame;

specifically, as shown in fig. 2 and 3, the placing rack 1 includes a rack body 11, a plurality of material rolls 12 for placing mask cloth and a nose bridge roll 13 for placing a nose bridge strip are arranged on the rack body 11, the shaping mechanism 2 includes a pre-shaping mechanism 2 and a shaping mechanism, the pre-shaping mechanism 2 includes a pre-shaping mounting frame 21, an upper pre-shaping roller 22 and a lower pre-shaping roller 23 which are mounted on the pre-shaping mounting frame 21, a gap for the mask cloth to pass through is arranged between the upper pre-shaping roller 22 and the lower pre-shaping roller 23, the shaping mechanism includes a shaping mounting frame 24, and a shaping block 25 for shaping the pre-shaped mask cloth is arranged on the shaping mounting frame 24;

during operation, multilayer gauze mask is from rolling up range upon range of in advance plastic mechanism 2 of passing through on material book 12, at last plastic gyro wheel 22 in advance with under the effect of plastic gyro wheel 23 in advance, become the rugosity in the middle of the gauze mask cloth, rugosity gauze mask cloth is sent to in the design mounting bracket 24 next, compresses tightly the design under the effect of design mounting bracket 24, then, compresses tightly the gauze mask after the design and roll up to the bridge of the nose strip on 13 and get into respectively and cut off in the flanging mechanism 3.

Specifically, as shown in fig. 4 to 9, the cutting and flanging mechanism 3 includes a mounting plate 31, a bottom plate 32 is disposed on the mounting plate 31, a mask guide plate 33 is disposed on the upper portion of the bottom plate 32, a gap for passing a mask is disposed between the bottom plate 32 and the mask guide plate 33, upright plates 34 for driving two sides of the mask to be upright are disposed on two sides of the bottom plate 32, and a folding mechanism for driving two sides of the mask to be upright and folded is disposed at the tail end of the bottom plate 32;

a nose bridge conveying plate 35 is further arranged above the mask guide plate 33, a nose bridge conveying mechanism 36 for driving the nose bridge to move on the nose bridge conveying plate 35 and a nose bridge cutting mechanism 37 for cutting off the nose bridge are sequentially arranged on the mounting plate 31 along the movement direction of the nose bridge, a guide conveying mechanism 310 for driving the nose bridge to move to the inside of the mask flanging is arranged at the tail end of the nose bridge conveying plate 35, when the mask is in operation, the nose bridge and the mask move forwards simultaneously, the mask moves forwards through a gap between the bottom plate 32 and the mask guide plate 33 under the drive of a previous station, so that the flatness of the mask during movement is ensured, when the plane mask moves forwards, under the action of the erection plate 34, two side edges of the mask are upturned, then the mask moves to the folding mechanism to inwards fold the nose bridge at the erection parts at the two sides of the mask, and when the mask is transported, the nose bridge moves forwards under the drive of the nose bridge conveying mechanism 36, when the nose bridge strip cutting mechanism 37 is moved, the nose bridge strip cutting mechanism 37 performs cutting operation, the cut nose bridge strip accurately enters the inner side of the flanging edge of the mask under the action of the guiding and conveying mechanism 310, and the follow-up mask edge welding process is ensured to be performed

The nose bridge cutting device is characterized by further comprising a driving mounting frame 361, a plurality of cavities are formed in the driving mounting frame 361, the nose bridge strip conveying mechanism 36 and the nose bridge strip cutting mechanism 37 are sequentially arranged in the cavities, limiting bolts 362 penetrating through the top of the driving mounting frame 361 are arranged at the upper ends of the nose bridge strip conveying mechanism 36 and the nose bridge strip cutting mechanism 37, and the positions of the nose bridge strip conveying mechanism 36 and the nose bridge strip cutting mechanism 37 can be adjusted through the limiting bolts 362;

specifically, the nose bridge strip conveying mechanism 36 includes a conveying mounting rack 363, a conveying roller 364 is arranged on the conveying mounting rack 363, a supporting roller 365 matched with a driving roller is arranged below the conveying roller 364, and during specific conveying, the nose bridge strip is driven to convey forwards by the rolling of the conveying roller 364;

bridge of the nose strip shutdown mechanism 337 is including cutting off gyro wheel 371, be provided with the recess of placing cutting off cutter 372 on cutting off gyro wheel 371, set up in the recess and be provided with cutting off cutter 372, cutting off cutter 372 one end is stretched out cutting off gyro wheel 371 edge, still including being used for driving conveying roller 364 and cutting off gyro wheel 371 pivoted roller actuating mechanism, when specifically cutting off, cutting off gyro wheel 371 surface and bridge of the nose strip contact, after rotatory a week, cutting off cutter 372 and bridge of the nose strip contact cut off the bridge of the nose strip, this shutdown mechanism is rotary type shutdown mechanism, has guaranteed that the length of every section of bridge of the nose strip is the girth that cuts off gyro wheel 371 to the uniformity of bridge of the nose strip has been

The roller driving mechanism comprises a first driving rod for driving the cutting roller 371 to rotate, a second driving rod for driving the conveying roller 364 to rotate, a first driving wheel 373 mounted on the first driving rod, a second driving wheel 366 mounted on the second driving rod, a driving wheel 74 meshed with the first driving wheel 373 and the second driving wheel 66 simultaneously arranged between the first driving wheel 373 and the second driving wheel 366, and a motor 375 for driving the first driving wheel 73 to rotate, wherein during driving, the motor 375 drives the first driving wheel 373 to rotate, the first driving wheel 373 drives the driving wheel 374 to rotate, and the transmission wheel drives the second driving wheel 366 to rotate, so that the first driving wheel 373 and the second driving wheel 366 synchronously rotate and are driven by one driving force, and the consistency is ensured while the driving parts are reduced;

the direction transport mechanism 310 includes conveying bottom plate and conveying panel, be provided with bridge of the nose strip pipeline between conveying bottom plate 3102 and conveying panel 3101, this bridge of the nose strip pipeline is close to bridge of the nose strip shutdown mechanism 37's one end opening and is greater than the other end, this bridge of the nose strip pipeline is the slant setting, this tubular structure is close to bridge of the nose strip shutdown mechanism 37's one end and is higher than the other end, this structure one end big open-ended sets up and has guaranteed that bridge of the nose strip can accurately get into this pipeline, the setting of the little open-ended of one end makes the bridge of the nose strip that cuts off can accurate inlet cowl turn over the hem inboard, simultaneously the slant setting of this structure has realized unpowered transmission, bridge of the nose strip slides in the gauze mask.

Specifically, the folding mechanism includes a left folding mechanism 381 and a right folding mechanism 382, the left folding mechanism 381 includes a left pressing plate 3813, a first arc-shaped surface is disposed on a side of the conveying panel close to the left pressing plate 3813, a second arc-shaped surface matched with the first arc-shaped surface is disposed on a side of the left pressing plate close to the conveying panel, a first vertical plate 3811 and a first transverse plate 3812 connected to each other are disposed on a side of the guiding and transporting mechanism away from the nose bridge cutting mechanism 37, the first vertical plate and the first transverse plate are vertically disposed, the right folding mechanism 382 is a bending structure and includes a second vertical plate 3821 and a second transverse plate 3822 connected to each other, a side of the second transverse plate 3822 away from the tail end of the bottom plate 32 is bent obliquely upward, a fixing plate 39 fixedly connected to the bottom plate 32 is disposed on each of the left folding mechanism, the right folding mechanism and the guiding and transporting mechanism 310, a waist-shaped groove 391 for adjusting position is disposed on the fixing plate 39, the gauze mask is at the entering edge formula of turning over, turns over through the little radian of first arcwall face and second arcwall face earlier for in the bridge of the nose strip can the accurate entering turns over the face, the turn-over of rethread first diaphragm presses, accomplishes whole operation, simultaneously, the right side is because tail end one side is upwards buckled to one side, make the gauze mask edge get into earlier smoothly right side press roll over in the mechanism 382 press again and roll over the operation, the yields of turning over the pressure has been guaranteed on the one hand to this kind of structure, also makes things convenient for the entering of bridge of the nose strip simultaneously, the setting of waist shape groove 391 can conveniently carry out position adjustment to left bending mechanism, right bending mechanism and direction transport mechanism 310, thereby makes this mechanism can adapt to the.

Specifically, as shown in fig. 10, the ultrasonic welding cutting mechanism 4 includes a welding cutting frame, an ultrasonic welding roller 41 and a plurality of mask cloth transmission rollers 42 are sequentially arranged on the welding cutting frame, an ultrasonic welding generator is arranged at the bottom of the ultrasonic welding roller 41, welding protrusions for welding are arranged on the surface of the ultrasonic welding roller 41, a groove for accommodating a material cutting knife 43 is arranged on one of the mask cloth transmission rollers 42, the material cutting knife 43 for cutting mask cloth is arranged in the groove, a first belt line for conveying the mask to the edge dividing mechanism 5 is arranged at the tail of the welding cutting frame, a first compression roller for preventing the mask from flying up is arranged on the first belt line, and an electrostatic generator 44 is arranged at the tail of the welding cutting frame, so that the mask with the edge fed into the nose bridge sequentially passes through the ultrasonic welding roller 41 and the plurality of mask cloth transmission rollers 42, when the mask passes through the ultrasonic welding roller 41, the mask cloth is welded under the action of the ultrasonic generator, multiple layers of mask cloth are welded together, the nose bridge strip is welded in the mask cloth, when the mask cloth passes through the material cutting knife 43, the mask cloth transmission roller 42 rolls for one circle, the next cutting is performed, the single cutting of the mask is realized, and the mask which is cut off singly is sent to the edge dividing mechanism 5.

Specifically, as shown in fig. 11, the edge dividing mechanism 5 includes an edge dividing frame, a mask placing plate is disposed on the edge dividing frame, a first turning driving roller 51 and a second turning driving roller 52 are disposed on the edge dividing frame, the mask placing plate is divided into a first placing passage 53 communicated with the first turning mechanism 6, a middle placing passage communicated with the first belt line and a second placing passage 54 communicated with the second turning mechanism by the first turning driving roller 51 and the second turning driving roller 52, two turning hooks 55 symmetrical to the first turning driving roller 51 are disposed on the first turning driving roller 51, two turning hooks 55 symmetrical to the second turning driving roller 52 are disposed on the second turning driving roller 52, a L-type turning hook 55 symmetrical to the second turning driving roller 52 is disposed on one side of the first placing passage 53 far from the first turning mechanism 6 and one side of the second placing passage 54 far from the second turning mechanism are both provided with a material pushing cylinder 56, during operation, the mask is sent to a mask placing plate between the first turning driving roller 51 and the second turning driving roller 52, the first turning driving roller rotates 180 degrees, the mask placing operation is carried out from the first turning driving roller 51 to the upper turning driving roller, and the second turning driving roller 52, and the turning driving operation of the turning mechanism is carried out, and the mask placing operation is carried out from the mask placing operation from the first turning driving roller 52 to the upper turning driving roller 3555, and the upper turning driving roller 3552, and the lower turning driving operation of the turning driving roller 52, and the.

As shown in fig. 12, the first turnover mechanism 6 and the second turnover mechanism both include a second belt line 61 for conveying the mask, a turning block 62 and a rotation driving mechanism for driving the turning block 62 to make a rotation motion are disposed in the middle of the second belt line 61, turning rods are disposed on both sides of the turning block 62, and are respectively disposed on the upper portion and the lower portion of the turning block 62, so that the turning rods on both sides of the turning block 62 are respectively located on the upper side and the lower side of the second belt line 61, during operation, the mask is transported on the second belt line 61, and when the mask moves above the turning rods, the rotation driving mechanism drives the mask to rotate 180 degrees, so that the mask falls back onto the second belt line 61 again after being turned over 180 degrees;

specifically, as shown in fig. 13 and 14, the ear band wire welding mechanism 7 is used for a mask transmission platform for transmitting a mask, the mask transmission platform is provided with a welding frame 71, the middle part of the welding frame 71 is provided with a mask pressing device 72 for pressing on the surface of the mask, two sides of the mask pressing device 72 are provided with ultrasonic welding mechanisms 76 for welding ear band wires on the mask, two sides of the upper end of the welding frame 71 are provided with ear band wire placing frames 73 for placing ear band wire rolls, two sides of the lower end of the welding frame 71 are provided with wire shifting and trimming mechanisms 74, two sides of the mask pressing device 72 are further provided with clamping mechanisms for clamping two welding ends of the ear band wires, when in operation, the mask pressing device 72 presses the mask, the ear band wires on the ear band wire placing frames 73 are clamped by the wire shifting and trimming mechanisms 74, one ends of the ear band wires are cut off by the wire shifting and trimming mechanisms 74, then ultrasonic welding mechanism 76 talkbacks ear area line both ends welding on the gauze mask, accomplishes whole operation, and this kind of design is simple convenient, has the efficient characteristics of welding.

In addition, the mask pressing device 72 comprises a connecting plate connected with the welding frame 71, a first lower pressing plate and a second lower pressing plate are arranged below the connecting plate, a spring is arranged between the first lower pressing plate and the second lower pressing plate, a first driving mechanism used for driving the first lower pressing plate to do lifting motion is arranged on the connecting plate, when pressing operation is performed, the first driving mechanism drives the first lower pressing plate and the second lower pressing plate to descend to press the surface of the mask, and the arrangement of the spring can realize control over the downward pressure and prevent the excessive downward pressure from causing the indentation of the mask;

in addition, the ear ribbon line placing frame 73 is provided with a placing rod for placing an ear ribbon line roll, a first line feeding roller and a second line feeding roller for driving the ear ribbon line to move towards the line moving and trimming mechanism 74, a gap for the ear ribbon line to pass through is arranged between the first line feeding roller and the second line feeding roller, the ear ribbon line placing frame further comprises a line feeding roller driving motor for driving the first line feeding roller to rotate, the ear ribbon line roll is placed on the placing rod, and the end part of the ear ribbon line passes through the first line feeding roller and the second line feeding roller to the line moving and trimming mechanism 74;

in addition, the clamping mechanism comprises a first clamping jaw 751 and a second clamping jaw 752 which clamp two ends of an ear belt line respectively, a third driving mechanism 753 which drives the first clamping jaw 751 and the second clamping jaw 752 to do lifting movement is arranged on the welding frame 71, the line shifting and trimming mechanism 74 comprises a line shifting bottom plate, a line shifting guide mechanism is arranged on the line shifting bottom plate, an electric scissors 745 and a third clamping jaw 746 are arranged on one side of the line shifting guide mechanism, the wire shifting device further comprises a fourth driving mechanism 747 which is used for driving the third clamping jaw 746 to move from the first clamping jaw 751 to the second clamping jaw 752, the line shifting guide mechanism comprises a guide mounting plate 741, an ear belt line guide roller 742 and a guide block 743 are arranged on the guide mounting plate 741, a groove is arranged on the guide block 743, a convex block 744 which can extend into the groove is arranged above the groove, a fifth driving mechanism which drives the convex block 744 to do lifting movement is arranged above the convex block 744, in operation, the ear strap end portion passes through the groove and is pressed by the projection 744, when the ear strap needs to be pulled out, the third clamping jaw 746 clamps the ear strap end portion, the fifth driving mechanism drives the projection 744 to ascend, the fourth driving mechanism 747 drives the third clamping jaw 746 to clamp the ear strap end portion and move from the first clamping jaw 751 to the second clamping jaw 752, then the first clamping jaw 751 and the second clamping jaw 752 clamp the two ends of the ear strap for welding, the fifth driving mechanism drives the projection 744 to descend to press the ear strap, the electric scissors 745 cut the ear strap, the third driving mechanism 753 drives the first clamping jaw 751 and the second clamping jaw 752 to descend, and the ear strap is moved to the mask welding position for subsequent welding operation.

In addition, ultrasonic welding mechanism 76 is including setting up the supersonic generator in the frame bottom and the welding pole that is located the supersonic generator top, be provided with the drive welding pole in the frame and move second actuating mechanism to the supersonic generator direction, when the ear area line motion back that targets in place, second actuating mechanism drive welding pole moves to ear area line welding point, realizes ear area line welding under supersonic generator's effect.

Specifically, as shown in fig. 15, ear belt folding mechanism 8 includes hot-pressing shaping frame, hot-pressing shaping frame is last to be provided with hot pressboard 81 and to drive hot pressboard 81 and be elevating movement's sixth actuating mechanism 82, hot pressboard 81 both sides are provided with the cylinder 83 of bending to the ear muff face with the ear muff line, and when the gauze mask moved to hot-pressing shaping frame below, the cylinder 83 of bending at both ends moved to the gauze mask direction, pushed the ear belt line at gauze mask both ends to the top facing mouth on, and sixth actuating mechanism 82 drives hot pressboard 81 and descends to carry out the hot-pressing of ear belt line and stereotypes after that, accomplishes whole operation.

The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Gauze mask production line, its characterized in that: the mask cutting machine comprises a frame, rack (1) for placing mask cloth and nose bridge line is set gradually in the frame, shaping mechanism (2) for shaping the mask cloth, cutting flanging mechanism (3) for cutting off the nose bridge strip and flanging the mask cloth, ultrasonic welding cutting mechanism (4) for welding the nose bridge strip in the mask cloth and cutting off the mask cloth, edge dividing mechanism (5) for dividing the mask edge, first turnover mechanism (6) and second turnover mechanism which are respectively connected with edge dividing mechanism (5) and used for turning over the mask, ear band line welding mechanism (7) which are respectively connected with first turnover mechanism (6) and second turnover mechanism and used for welding the ear band line on the mask, ear band line folding mechanism (8) for hot-pressing shaping the ear band line and blanking mechanism for blanking the mask.

2. The mask production line of claim 1, wherein: the placing frame (1) comprises a frame body (11), wherein a plurality of material rolls (12) for placing mask cloth and a nose bridge roll (13) for placing a nose bridge strip are arranged on the frame body (11);

shaping mechanism (2) are including pre-shaping mechanism (2) and forming mechanism, pre-shaping mechanism (2) are including whole mounting bracket (21) in advance and install last plastic gyro wheel (22) and lower plastic gyro wheel (23) in advance on whole mounting bracket (21) in advance, go up and be provided with the gap that supplies gauze mask cloth to pass through between plastic gyro wheel (22) in advance and lower plastic gyro wheel (23) in advance, forming mechanism is including forming mounting bracket (24), be provided with on forming mounting bracket (24) and carry out forming block (25) of finalizing the design to the gauze mask cloth after shaping in advance.

3. The mask production line of claim 1, wherein: the cutting and flanging mechanism (3) comprises an installation plate (31), a bottom plate (32) is arranged on the installation plate (31), a mask guide plate (33) is arranged at the upper part of the bottom plate (32), a gap for a mask to pass through is formed between the bottom plate (32) and the mask guide plate (33), erection plates (34) for driving the two sides of the mask to erect are arranged at the two sides of the bottom plate (32), and a folding mechanism for driving the two sides of the mask to erect and fold is arranged at the tail end of the bottom plate (32);

a nose bridge conveying plate (35) is further arranged above the mask guide plate (33), a nose bridge conveying mechanism (36) for driving the nose bridge to move on the nose bridge conveying plate (35) and a nose bridge cutting mechanism (37) for cutting the nose bridge are sequentially arranged on the mounting plate (31) along the movement direction of the nose bridge, and a guide conveying mechanism (310) for driving the nose bridge to move to the inside of the mask flanging is arranged at the tail end of the nose bridge conveying plate (35);

the nose bridge piece conveying mechanism is characterized by further comprising a driving mounting frame (361), a plurality of cavities are formed in the driving mounting frame (361), the nose bridge piece conveying mechanism (36) and the nose bridge piece cutting mechanism (37) are sequentially arranged in the cavities, and limiting bolts (362) penetrating through the top of the driving mounting frame (361) are arranged at the upper ends of the nose bridge piece conveying mechanism (36) and the nose bridge piece cutting mechanism (37).

4. A mask production line according to claim 3, characterized in that: the nose bridge strip conveying mechanism (36) comprises a conveying mounting frame (363), a conveying roller (364) is arranged on the conveying mounting frame (363), and a supporting roller (365) matched with a driving roller is arranged below the conveying roller (364);

the nose bridge strip cutting mechanism (337) comprises a cutting roller (371), a groove for placing a cutting knife (372) is formed in the cutting roller (371), the cutting knife (372) is arranged in the groove, one end of the cutting knife (372) extends out of the edge of the cutting roller (371), and the nose bridge strip cutting mechanism further comprises a roller driving mechanism for driving the conveying roller (364) and the cutting roller (371) to rotate;

the roller driving mechanism comprises a first driving rod for driving the cutting roller (371) to rotate and a second driving rod for driving the conveying roller (364) to rotate, wherein a first driving wheel (373) is installed on the first driving rod, a second driving wheel (366) is installed on the second driving rod, a transmission wheel (74) which is meshed with the first driving wheel (373) and the second driving wheel (66) simultaneously is arranged between the first driving wheel (373) and the second driving wheel (366), and the roller driving mechanism also comprises a motor (375) for driving the first driving wheel (73) to rotate;

the guide conveying mechanism (310) comprises a conveying bottom plate and a conveying panel, a nose bridge strip conveying pipeline is arranged between the conveying bottom plate (3102) and the conveying panel (3101), an opening at one end, close to a nose bridge strip cutting mechanism (37), of the nose bridge strip conveying pipeline is larger than the other end of the nose bridge strip conveying pipeline, the nose bridge strip conveying pipeline is obliquely arranged, and one end, close to the nose bridge strip cutting mechanism (37), of the tubular structure is higher than the other end of the tubular structure.

5. The mask production line of claim 4, wherein: the folding mechanism comprises a left folding mechanism (381) and a right folding mechanism (382), the left folding mechanism (381) comprises a left pressing plate (3813), a first arc-shaped surface is arranged on one side, close to the left pressing plate (3813), of the conveying panel, a second arc-shaped surface matched with the first arc-shaped surface is arranged on one side, close to the conveying panel, of the left pressing plate, a first vertical plate (3811) and a first transverse plate (3812) which are connected with each other are arranged on one side, far away from the nose bridge cutting mechanism (37), of the guide conveying mechanism, the first vertical plate and the first transverse plate are vertically arranged, the right folding mechanism (382) is of a bending structure and comprises a second vertical plate (3821) and a second transverse plate (3822) which are connected with each other, and one side, far away from the tail end of the bottom plate (32), of the second transverse plate (3822) is;

and one sides of the left bending mechanism, the right bending mechanism and the guide conveying mechanism (310) are respectively provided with a fixing plate (39) fixedly connected with the bottom plate (32), and the fixing plate (39) is provided with a kidney-shaped groove (391) for adjusting the position.

6. The mask production line of claim 1, wherein: the ultrasonic welding cutting mechanism (4) comprises a welding cutting frame, and an ultrasonic welding roller (41) and a plurality of mask cloth transmission rollers (42) are sequentially arranged on the welding cutting frame;

an ultrasonic welding generator is arranged at the bottom of the ultrasonic welding roller (41), and a welding bulge for welding is arranged on the surface of the ultrasonic welding roller (41);

a groove for accommodating a cutting knife (43) is formed in one of the mask cloth conveying rollers (42), and the cutting knife (43) for cutting the mask cloth is arranged in the groove;

a first belt line for conveying the mask to the edge dividing mechanism (5) is arranged at the tail of the welding and cutting frame, and a first compression roller for preventing the mask from flying up is arranged on the first belt line;

the welding cutting frame also comprises an electrostatic generator (44) arranged at the tail part of the welding cutting frame.

7. The mask production line according to claim 1, wherein the edge separating mechanism (5) comprises an edge separating frame, a mask placing plate is arranged on the edge separating frame, a first overturning driving roller (51) and a second overturning driving roller (52) are arranged on the edge separating frame, the first overturning driving roller (51) and the second overturning driving roller (52) divide the mask placing plate into a first placing channel (53) communicated with the first overturning mechanism (6), a middle placing channel communicated with the first belt line and a second placing channel (54) communicated with the second overturning mechanism, two L-shaped overturning hooks (55) symmetrical relative to the first overturning driving roller (51) are arranged on the first overturning driving roller (51), two L-shaped overturning hooks (55) symmetrical relative to the second overturning driving roller (52) are arranged on the second overturning driving roller (52), and a material pushing cylinder (56) is arranged on one side of the first placing channel (53) away from the first overturning mechanism (6) and one side of the second placing channel (54) away from the second overturning mechanism;

first tilting mechanism (6) and second tilting mechanism all include second belt line (61) that are used for transmitting the gauze mask, second belt line (61) middle part is provided with upset piece (62) and the rotary driving mechanism that rotary motion was done to drive upset piece (62), upset piece (62) both sides all are provided with upset pole (63), upset pole (63) set up respectively in the upper portion and the lower part of upset piece (62) for upset pole (63) of upset piece (62) both sides are located the upside and the downside of second belt line (61) respectively.

8. The mask production line of claim 1, wherein: the ear band wire welding mechanism (7) is used for conveying a mask conveying platform of a mask, a welding frame (71) is arranged on the mask conveying platform, a mask pressing device (72) used for pressing the surface of the mask is arranged in the middle of the welding frame (71), ultrasonic welding mechanisms (76) used for welding ear band wires on the mask are arranged on two sides of the mask pressing device (72), ear band wire placing frames (73) used for placing ear band wire coils are arranged on two sides of the upper end of the welding frame (71), wire moving and cutting mechanisms (74) are arranged on two sides of the lower end of the welding frame (71), and clamping mechanisms used for clamping two welding ends of the ear band wires are further arranged on two sides of the mask pressing device (72);

the mask pressing device (72) comprises a connecting plate connected with the welding frame (71), a first lower pressing plate and a second lower pressing plate are arranged below the connecting plate, a spring is arranged between the first lower pressing plate and the second lower pressing plate, and a first driving mechanism used for driving the first lower pressing plate to do lifting motion is arranged on the connecting plate;

the ultrasonic welding mechanism (76) comprises an ultrasonic generator arranged at the bottom of the rack and a welding rod positioned above the ultrasonic generator, and a second driving mechanism for driving the welding rod to move towards the ultrasonic generator is arranged on the rack;

the earring line rack (73) is provided with a first line feeding roller and a second line feeding roller which are used for placing a placing rod of an earring line coil and driving the earring line to move towards the line shifting and trimming mechanism (74), a gap for the earring line to pass through is arranged between the first line feeding roller and the second line feeding roller, and the earring line rack further comprises a line feeding roller driving motor driving the first line feeding roller to rotate.

9. The mask production line of claim 8, wherein: the clamping mechanism comprises a first clamping jaw (751) and a second clamping jaw (752) which clamp two ends of an ear belt line respectively, and a third driving mechanism (753) which drives the first clamping jaw (751) and the second clamping jaw (752) to do lifting movement is arranged on the welding frame (71);

the wire moving and trimming mechanism (74) comprises a wire moving bottom plate, wherein the wire moving bottom plate is provided with wire moving guide mechanisms respectively, one side of each wire moving guide mechanism is provided with an electric scissors (745) and a third clamping jaw (746), and the wire moving and trimming mechanism further comprises a fourth driving mechanism (747) for driving the third clamping jaw (746) to move from the first clamping jaw (751) to the second clamping jaw (752);

the wire moving guide mechanism comprises a guide mounting plate (741), wherein an ear wire guide roller (742) and a guide block (743) are arranged on the guide mounting plate (741), a groove is formed in the guide block (743), a convex block (744) capable of extending into the groove is arranged above the groove, and a fifth driving mechanism for driving the convex block (744) to move up and down is arranged above the convex block (744).

10. The mask production line of claim 1, wherein: ear folding belt mechanism (8) are including hot pressing design frame, hot pressing design frame is last to be provided with hot pressboard (81) and drive hot pressboard (81) and is elevating movement's sixth actuating mechanism (82), hot pressboard (81) both sides are provided with and roll over ear muff line to bending cylinder (83) on the ear muff face.