CN212579230U

CN212579230U - Semi-automatic N95 gauze mask production line

Info

Publication number: CN212579230U
Application number: CN202021359261.XU
Authority: CN
Inventors: 钟俊杰; 郑灿杰; 杨煜俊; 苏桂谦; 洪福; 杨志钦; 李杜峰; 吴晓冬
Original assignee: Greatoo Guangzhou Robot And Intelligent Manufacturing Co ltd; Greatoo Sino German Robots And Intelligent Manufacturing Co ltd; Greatoo Intelligent Equipment Inc
Current assignee: Greatoo Guangzhou Robot And Intelligent Manufacturing Co ltd; Greatoo Sino German Robots And Intelligent Manufacturing Co ltd; Greatoo Intelligent Equipment Inc
Priority date: 2020-07-10
Filing date: 2020-07-10
Publication date: 2021-02-23
Anticipated expiration: 2030-07-10

Abstract

The utility model relates to the technical field of mask production equipment, and discloses a semi-automatic N95 mask production line, which comprises a sheet-making machine and a mask ear belt welding machine which are arranged in a separated manner, wherein the sheet-making machine comprises a discharging device and a sheet-making machine main body; gauze mask ear area welding machine includes first frame, welded platform, welding subassembly, ear area centre gripping subassembly and locates ear area on the first frame is carried and cutting mechanism, first support frame, the welded platform rotationally sets up one side that the ear area was carried and cutting mechanism, the welding subassembly corresponds the welded platform sets up on the first support frame, ear area centre gripping subassembly corresponds the ear area is carried and cutting mechanism liftable and rotationally sets up on the first support frame. The utility model provides a semi-automatic N95 gauze mask production line can reduce the debugging degree of difficulty, reduces to produce in unusual, and convenient the processing is unusual, but accurate control ear tape length guarantees product quality, improves production efficiency.

Description

Semi-automatic N95 gauze mask production line

Technical Field

The utility model relates to a gauze mask production facility technical field especially relates to a semi-automatic N95 gauze mask production line.

Background

At present, the N95 mask is mainly produced by using a full-automatic mask machine, and the mask is high in manufacturing cost, high in debugging difficulty and difficult to process abnormity in the production process. The semi-automatic welding machine does not have the problems, but the cutting mechanism of the existing semi-automatic welding machine cannot accurately control the lengths of the ear bands, so that the lengths of the two ear bands on the earmuffs are different, and the product quality and the wearing comfort are influenced. In addition, when the current welding machine welds the ear strap, the ear strap on one side of the welding machine is firstly welded, and then the ear strap on the other side of the welding mask body is turned over by a worker, so that the production efficiency is low.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a semi-automatic N95 gauze mask production line reduces the debugging degree of difficulty, reduces and unusual in the production, and convenient the processing is unusual, and product quality is guaranteed to accurate control ear zone length, improves production efficiency.

The utility model provides a technical scheme that its technical problem adopted is:

a semi-automatic N95 mask production line comprises a sheet making machine and a mask ear belt welding machine which are arranged in a separated mode, wherein the sheet making machine comprises a discharging device and a sheet making machine main body;

the mask ear belt welding machine comprises a first rack, a welding table, a welding assembly, an ear belt clamping assembly, an ear belt conveying and cutting mechanism and a first support frame, wherein the ear belt conveying and cutting mechanism and the first support frame are arranged on the first rack;

ear area is carried and cutting mechanism includes the trimming subassembly, compresses tightly the subassembly, acts as go-between the subassembly and is fixed in first mounting panel on the first frame, the upper end of first support frame is equipped with the riser, the upper end of riser is equipped with ear tep reel support and drives the first actuating mechanism of ear tep reel rotation feed, be equipped with on the riser and be used for control the switch module that first actuating mechanism opened and stops, the subassembly that acts as go-between sets up the one end of first mounting panel, compress tightly the subassembly and the trimming subassembly sets up adjustably the other end of first mounting panel.

Preferably, a sliding rail is arranged on the first mounting plate, a mounting seat is adjustably arranged on the sliding rail, the pressing component is fixed on the mounting seat, and the trimming component is adjustably arranged on the mounting seat corresponding to the pressing component;

the welding assembly comprises a welding cylinder corresponding to the welding table and arranged at the upper end of the first support frame, two welding heads are connected to a piston rod of the welding cylinder, a first ultrasonic vibrator is arranged inside the first frame, and the upper surface of a die head of the first ultrasonic vibrator extends out of the first frame and is flush with the upper end of the welding table.

Preferably, the thread trimming assembly comprises a supporting rod adjustably arranged on the mounting seat, a thread trimming cylinder is arranged at one end of the supporting rod, which is far away from the mounting seat, and a piston rod of the thread trimming cylinder is connected with a thread trimmer;

the wire scissors comprise two scissors main bodies which are mutually crossed and hinged on the mounting seat, the tail ends of the two scissors main bodies are movably connected with transmission rods, and the other ends of the two transmission rods are connected with piston rods of the wire shearing air cylinders;

the ear belt clamping assembly comprises a lifting cylinder corresponding to the pull wire assembly and arranged at the upper end of the first support frame, a seat plate is arranged on a piston rod of the lifting cylinder, the two ends of the seat plate are rotatably connected with second pneumatic claws, gears are arranged at the upper ends of the second pneumatic claws, racks are meshed between the gears, and one ends, far away from the seat plate, of the racks are connected with tooth pushing cylinders.

Preferably, the pull wire assembly comprises a pull wire cylinder fixed on the first mounting plate, a sliding block connected to the sliding rail in a sliding manner, and a first pneumatic claw used for clamping or loosening the ear belt, wherein a piston rod of the pull wire cylinder is connected with the sliding block, and the first pneumatic claw is arranged on the sliding block;

the pressing assembly comprises a wire groove arranged on the mounting seat and a pressing cylinder arranged above the wire groove, a piston rod of the pressing cylinder is provided with a pressing head, and the pressing cylinder drives the pressing head to press in or leave the wire groove;

one side of mount pad corresponds the wire casing is equipped with and is used for pouring into the eardrum a plurality of leading wheels of wire casing, and is a plurality of first leading wheel sets up in a staggered way.

Preferably, the switch assembly comprises a moving groove which is arranged on the vertical plate and is positioned below the first driving mechanism, a wire pressing wheel and a second guide wheel are respectively arranged on two sides of the first driving mechanism, a response wheel is connected inside the moving groove in a sliding manner, an inductor is arranged on one side of the moving groove, and the inductor is electrically connected with the first driving mechanism;

two sensors for controlling the stay wire length of the stay wire assembly are arranged between the wire cutting assembly and the stay wire assembly on the first mounting plate, and the two sensors are adjustably arranged on the first mounting plate.

Preferably, the main body of the sheet-forming machine comprises a second rack, and a nose bridge conveying and cutting mechanism, an embossing roller set, a conveying roller set, a die-cutting roller set and a second driving mechanism which are arranged on the second rack and are sequentially arranged in the assembly line direction, wherein the second driving mechanism is respectively connected with the nose bridge conveying and cutting mechanism, the embossing roller set, the conveying roller set and the die-cutting roller set;

the nose bridge strip conveying and cutting mechanism comprises a bottom plate arranged on the second rack, a pay-off assembly, a second mounting plate, a divider and a wire pushing assembly, wherein the pay-off assembly, the second mounting plate, the divider and the wire pushing assembly are mounted on the bottom plate, the second mounting plate is located between the pay-off assembly and the wire pushing assembly, a guide assembly, a feeding assembly and a wire cutting assembly are sequentially arranged on the second mounting plate along the direction from the pay-off assembly to the wire pushing assembly, the second driving mechanism is connected with the input end of the divider, and the output end of the divider is respectively connected with the feeding assembly, the wire cutting assembly and the wire pushing assembly.

Preferably, the pay-off assembly comprises a supporting arm, an installation box is arranged at one end of the supporting arm, which is far away from the bottom plate, the upper end of the installation box is rotatably connected with a nose bridge wire coil, the lower end of the installation box is rotatably connected with a rotating arm, and a tensioning wheel is arranged on the rotating arm;

the guide assembly comprises a guide plate fixed on the second mounting plate, two sliding grooves are symmetrically formed in the guide plate, sliding blocks are arranged in the sliding grooves, third guide wheels are rotatably connected to the sliding blocks, springs are arranged between the sliding blocks and the bottom surfaces of the sliding grooves, a plurality of fourth guide wheels are rotatably connected to the guide plate, and the fourth guide wheels are arranged around the third guide wheels;

the discharging device comprises a discharging frame, wherein the discharging frame is provided with a plurality of material hanging rods, guide rods corresponding to the material hanging rods, and material passing rods.

Preferably, the thread trimming assembly comprises a thread trimming seat and a point contact mechanism arranged above the thread trimming seat, a through pushing hole, a thread cutting hole communicated with the pushing hole and a cutter groove communicated with the thread cutting hole are formed in the thread trimming seat, a cutter is movably connected in the cutter groove, the point contact mechanism comprises a thread trimming shaft rotatably connected to the second mounting plate, one end of the thread trimming shaft is connected with the cutter, and the other end of the thread trimming shaft is provided with a contact for driving the cutter to cut the nose bridge thread;

mounting grooves are formed in two sides of the cutter groove respectively, a reset spring is arranged in each mounting groove, a reset rod is arranged in the middle of each cutter, and two ends of each reset spring are abutted to the bottom ends of the corresponding mounting groove and the corresponding reset rod respectively;

the line pushing assembly comprises a nose bridge pushing plate and an intermittent movement mechanism, the nose bridge pushing plate is connected in the pushing hole in a sliding mode and is connected with the divider through the intermittent movement mechanism;

the intermittent movement mechanism comprises a support frame arranged on the second mounting plate, a push shaft is connected to the support frame in a rotating mode, the middle of the push shaft is connected with the divider, a rotating wheel is arranged at one end of the push shaft, a push rod is hinged to the edge of the rotating wheel, and the other end of the push rod is hinged to the nose bridge push plate.

Preferably, the feeding assembly comprises a feeding shaft which is rotatably connected to the second mounting plate, one end of the feeding shaft is connected with the divider, the other end of the feeding shaft is connected with a driving wheel, a driving roller driven by the driving roller is arranged below the driving wheel, a driven roller is arranged below the driving roller, and a nose bridge line penetrates between the driving roller and the driven roller;

the driving wheel comprises two driving wheel bodies which can be connected in a relatively rotating mode, each driving wheel body comprises a driving portion and a connecting portion, the driving portions are connected, the driving portions are fan-shaped, and the connecting portions are connected to the feeding shafts in a rotating mode;

the embossing roller set comprises a second fixing seat, an embossing roller is arranged at the upper end of the second fixing seat in a height-adjustable mode, and a second ultrasonic vibrator is arranged at the lower end of the fixing seat corresponding to the embossing roller.

Preferably, a hole cutting roller set connected with the second driving mechanism is arranged on the second frame and between the conveying roller set and the embossing roller set, and an adjusting roller is arranged between the hole cutting roller set and the embossing roller set in a height-adjustable manner;

the hole cutting roller set comprises a first fixing seat, a hole cutting roller is arranged at the upper end of the first fixing seat, a cutter for cutting holes is arranged on the hole cutting roller, a cutter pillow is arranged below the hole cutting roller corresponding to the cutter, and a discharge barrel extending out of the second rack is arranged below the cutter pillow;

the second driving mechanism comprises a motor and a main shaft, the motor is connected with one end of the main shaft, the other end of the main shaft is connected with the divider, a first chain wheel and a second chain wheel which are used for connecting the feeding assembly and the trimming assembly are arranged on the second mounting plate, a third chain wheel is arranged on an output shaft of the divider, the first chain wheel, the second chain wheel and the third chain wheel are connected through a chain, an input shaft of the divider is connected with the second driving mechanism through a chain, the divider is connected with the line pushing assembly through a synchronous belt, a fourth chain wheel is arranged in the middle of the main shaft, and the fourth chain wheel is connected with the embossing roller set, the conveying roller set, the die cutting roller set and the hole cutting roller set through chains.

The utility model discloses a semi-automatic N95 gauze mask production line, it compares with prior art, and beneficial effect lies in: through setting up the flaker with the separation of gauze mask ear area welding machine for it is irrelevant each other, thereby has reduced the debugging degree of difficulty, has reduced unusual in the production, and conveniently handles unusually. Meanwhile, when the ear belt is welded, the pull wire assembly firstly moves to the clamping station to clamp the ear belt wire, then the pull wire assembly returns, the first driving mechanism is controlled to start to realize feeding through the ear belt wire driving switch assembly in the returning process, when the pull wire assembly pulls the ear belt wire to a determined length, the ear belt clamping assembly descends and clamps the ear belt, meanwhile, the pressing assembly presses the ear belt wire, the first driving mechanism stops working, and the wire shearing assembly shears the ear belt wire, so that the ear belt with a fixed length is obtained, and the product quality is ensured; the cut-off ear belt clamping assembly drives the two ends of the cut-off ear belt to be rotationally close to the middle, the welding assembly descends to realize the welding of the ear belt on one side after rotating to the welding table, the actions are repeated when the ear belt on the other side is welded, and meanwhile the welding table drives the mask body to rotate 180 degrees, so that the automatic welding on the other side is realized, and the production efficiency is improved. The utility model discloses simple structure, excellent in use effect easily uses widely.

Drawings

Fig. 1 is a schematic structural view of a semi-automatic N95 mask production line of the present invention.

Fig. 2 is a front view of the mask ear belt welding machine of the present invention.

Figure 3 is the utility model discloses a gauze mask ear area welding machine's axonometric drawing.

Figure 4 is the utility model discloses a structural schematic diagram of the mechanism is carried and tailors to gauze mask ear area welding machine's axonometric drawing ear area.

Fig. 5 is the structure diagram of the cutting assembly and the compressing assembly of the mask ear band welding machine of the present invention.

Fig. 6 is the structure schematic diagram of the ear band clamping assembly of the mask ear band welding machine of the utility model.

Fig. 7 is the rack and gear cooperation schematic diagram of the ear band clamping assembly of the mask ear band welding machine of the utility model.

Fig. 8 is a schematic structural diagram of the tablet machine of the present invention.

Fig. 9 is a schematic structural diagram of a tablet press main body of the tablet press of the present invention.

Fig. 10 is a schematic structural view of the nose bridge conveying and cutting mechanism of the present invention.

Fig. 11 is an axonometric view of the feeding assembly, the thread trimming assembly and the thread pushing assembly of the nose bridge strip conveying and cutting mechanism of the present invention.

Fig. 12 is an isometric view of another vision of the feed assembly, the trimming assembly and the thread pushing assembly of the nose bridge strip conveying and cutting mechanism of the present invention.

Fig. 13 is a schematic structural view of the guiding assembly of the nose bridge conveying and cutting mechanism of the present invention.

Fig. 14 is a schematic structural view of the wire cutting seat of the nose bridge conveying and cutting mechanism of the present invention.

Fig. 15 is a schematic structural view of an embossing roller set of the flaker of the present invention.

Wherein: 1-mask ear belt welding machine, 11-first frame, 12-welding table, 13-welding assembly, 131-welding cylinder, 132-welding head, 133-first ultrasonic vibrator, 134-first ultrasonic vibrator head, 14-ear belt clamping assembly, 141-lifting cylinder, 142-seat plate, 143-second air claw, 144-gear, 145-rack, 146-pushing tooth cylinder, 15-ear belt conveying and cutting mechanism, 151-trimming assembly, 1511-supporting rod, 1512-trimming cylinder, 1513-scissors main body, 1514-driving rod, 152-pressing assembly, 1521-wire groove, 1522-pressing cylinder, 1523-pressing head, 153-wire pulling assembly, 1531-wire pulling cylinder, 1532-first air claw, 1533-a slider, 1534-a sensor, 1535-an adjustment seat, 154-a riser, 155-a first mounting plate, 1551-an adjustment hole, 1552-a mounting seat, 1553-a slide rail, 156-an eartape disc support, 157-a first driving mechanism, 158-a switch component, 1581-a moving groove, 1582-a creasing wheel, 1583-a second guide wheel, 1584-a response wheel, 1585-an inductor, 159-a first guide wheel, 16-a first support frame, 17-a cooling fan, 18-an adjustment foot, 19-a caster;

2-slicer, 100-emptying device, 200-slicer body, 21-second rack, 22-nose bridge strip conveying and cutting mechanism, 221-base plate, 222-pay-off assembly, 2221-support arm, 2222-mounting box, 2223-nose bridge wire coil, 2224-tension wheel, 2225-rotating arm, 223-second mounting plate, 224-divider, 225-push wire assembly, 2251-nose bridge push plate, 2252-support frame, 2253-push wire shaft, 2254-rotating wheel, 2255-push rod, 2256-synchronous belt, 227-guide assembly, 2271-guide plate, 2272-sliding groove, 2273-sliding block, 2274-third guide wheel, 2275-fourth guide wheel, 2276-spring, 228-feeding assembly, 2281-feeding shaft, 2282-driving wheel, 2283-driving roller, 2284-driven roller, 2285-first chain wheel, 229-thread trimming component, 2291-thread trimming seat, 2292-pushing hole, 2293-thread trimming hole, 2294-cutter groove, 2295-cutter, 2296-thread trimming shaft, 2297-contact, 2298-second chain wheel, 23-embossing roller group, 231-second fixed seat, 232-embossing roller, 233-second ultrasonic vibrator, 24-conveying roller group, 25-die cutting roller group, 26-second driving mechanism, 261-motor, 262-spindle, 27-thread trimming roller group, 271-first fixed seat, 272-thread trimming roller, 273-discharging barrel, 28-adjusting roller.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.

As shown in fig. 1-5, a semi-automatic N95 mask production line according to a preferred embodiment of the present invention includes a sheet making machine 2 and a mask ear strip welding machine 3 which are arranged separately, wherein the sheet making machine 2 includes a discharging device 100 and a sheet making machine main body 200;

the mask ear belt welding machine 1 comprises a first rack 11, a welding table 12, a welding assembly 13, an ear belt clamping assembly 14, an ear belt conveying and cutting mechanism 15 and a first support frame 16, wherein the ear belt conveying and cutting mechanism 15 and the first support frame 16 are arranged on the first rack 11, the welding table 12 is rotatably arranged on one side of the ear belt conveying and cutting mechanism 15 through a rotating air cylinder, the welding assembly 13 is arranged on the first support frame 16 corresponding to the welding table 12, and the ear belt clamping assembly 14 is arranged on the first support frame 16 corresponding to the ear belt conveying and cutting mechanism 15 in a lifting and rotating manner;

ear belt is carried and cutting mechanism 15 includes trimming subassembly 151, compresses tightly subassembly 152, acts as go-between subassembly 153 and is fixed in first mounting panel 155 on the first frame 11, the upper end of first support frame 16 is equipped with riser 154, the upper end of riser 14 is equipped with ear tape dish support 16 and the first actuating mechanism 157 of drive ear tape dish rotation feed, be equipped with on the riser 154 and be used for control switch module 158 that first actuating mechanism 157 opened and stops, act as go-between subassembly 153 sets up the one end of first mounting panel 155, compress tightly subassembly 152 and trimming subassembly 151 adjustably sets up the other end of first mounting panel 155.

Semi-automatic N95 gauze mask production line based on above-mentioned technical characteristic sets up through will punch and gauze mask ear area welding machine separation, and the manual work is transferred to the gauze mask ear area welding machine and is carried out the ear area welding after the punch processing goes out the gauze mask semi-manufactured goods on for punch and gauze mask ear area welding machine are not related each other, thereby has reduced the debugging degree of difficulty, has reduced in the production unusual, and only need handle punch or gauze mask ear area welding machine alone when taking place unusual can, it is convenient to handle unusually. Meanwhile, when the ear strap is welded, the wire pulling component 153 firstly moves to the clamping station to clamp the ear strap wire, then the wire pulling component 153 returns, the first driving mechanism 157 is controlled to start through the ear strap wire driving switch component 158 to realize feeding in the returning process, when the wire pulling component 153 pulls the ear strap wire to a determined length, the ear strap clamping component 14 descends and clamps the ear strap, meanwhile, the pressing component 152 presses the ear strap wire, the first driving mechanism 157 stops working, and the wire shearing component 151 shears the ear strap wire, so that the ear strap with a fixed length is obtained, and the product quality is ensured; the cut ear band clamping assembly 14 drives the two ends of the cut ear band to rotate towards the middle and approach, when the ear band clamping assembly 13 rotates to the welding position, the welding assembly 13 descends to realize the welding of the ear band on one side, the actions are repeated when the ear band on the other side is welded, and meanwhile, the welding table 12 drives the mask body to rotate 180 degrees, so that the automatic welding of the other side is realized, and the production efficiency is improved. The utility model discloses simple structure, excellent in use effect easily uses widely.

In this embodiment, the first mounting plate 155 is provided with a sliding rail 1553, the sliding rail 1553 is adjustably provided with a mounting seat 1552, the mounting seat 1552 is provided with a threaded hole, a bolt is arranged in the threaded hole, when the position of the mounting seat 1552 needs to be adjusted, the bolt is firstly unscrewed, and the mounting seat 1552 is moved to a determined position and then is screwed. The pressing component 152 is fixed on the mounting seat 1552, and the trimming component 151 is adjustably arranged on the mounting seat 1552 corresponding to the pressing component 152, so that the trimming component 151 and the pressing component 152 can be adjusted in position relative to the pull wire component 153 through the mounting seat 1552, and the position of the trimming component 151 relative to the pressing component 152 can be adjusted, thereby adapting to cutting of ear straps with various specifications.

In this embodiment, the thread trimming assembly 151 includes a supporting rod 1511 adjustably disposed on the mounting seat 1552, the supporting rod 1511 is provided with a strip-shaped hole, the upper end of the mounting seat 1552 is provided with a threaded hole corresponding to the strip-shaped hole, the strip-shaped hole corresponds to the threaded hole during installation, and then the thread trimming assembly is screwed up by a bolt. Because the support rod 1511 is provided with a strip-shaped hole, the support rod can move relative to the bolt, so that the purpose of adjusting the relative position of the support rod and the pressing component 152 is achieved. A trimming cylinder 1512 is arranged at one end of the supporting rod 1511, which is far away from the mounting seat 1552, a wire shear is connected to a piston rod of the trimming cylinder 1512, and the trimming cylinder 1512 drives the wire shear to shear the ear belt wire. Specifically, the line shear comprises two shear main bodies 1513 which are mutually crossed and hinged on the mounting seat 1552, the tail ends of the two shear main bodies 1513 are movably connected with a transmission rod 1514, the other ends of the two transmission rods 1514 are connected with piston rods of the line shearing air cylinders 1512, the line shearing air cylinders 1512 move during line shearing to drive the transmission rods 1514, and the transmission rods 1514 drive the two shear main bodies 1513 to be opened and closed around hinged points of the two shear main bodies 1513, so that line shearing is achieved.

In this embodiment, the wire pulling assembly 153 includes a wire pulling cylinder 1531 fixed to the first mounting plate 155, a slider 1533 slidably connected to the sliding rail 1553, and a first pneumatic claw 1532 for clamping or releasing the ear strap, wherein the first pneumatic claw 1532 is provided with a cylinder for controlling the opening and closing of the first pneumatic claw 1532. The piston rod of the wire pulling cylinder 1531 is connected to the sliding block 1553, and the first air claw 1532 is disposed on the sliding block 1553. During the wire clamping, the wire pulling cylinder 1531 pushes the slider 1533 to drive the first pneumatic claw 1532 to move to the clamping position, and then the cylinder acts to enable the first pneumatic claw 1532 to clamp the ear wire and return after clamping. Meanwhile, since the length of the ear strap is determined by the start-stop position of the wire pulling cylinder 1531, in order to ensure the movement accuracy of the wire pulling cylinder 1531, two sensors 1534 for controlling the wire pulling length of the wire pulling assembly 153 are arranged between the wire cutting assembly 151 and the wire pulling assembly 153 on the first mounting plate 155, and the two sensors 1534 are respectively arranged corresponding to the start-stop position of the wire pulling cylinder 1531, so that the length of the ear strap is accurately controlled. Meanwhile, since the lengths of the ear straps of different sizes are different, the two sensors 1534 need to be adjustably disposed on the first mounting plate 155. Specifically, a plurality of positioning holes 1551 are uniformly distributed on one side of the first mounting plate 155 along the length direction thereof, an adjusting seat 1535 is connected to the sensor 1534, and a strip-shaped hole is formed in the adjusting seat 1535. When the positions of the two sensors 1534 need to be adjusted, the strip-shaped holes correspond to the corresponding positioning holes 1551, and then the positions of the strip-shaped holes relative to the fixing bolts are moved to achieve fine adjustment of the positions, so that the accuracy of the relative distance between the two sensors 1534 is guaranteed.

In this embodiment, the pressing assembly 152 includes a wire casing 1521 disposed on the mounting seat 1552 and a pressing cylinder 1522 disposed above the wire casing 1521, a pressing head 1523 is disposed on a piston rod of the pressing cylinder 1522, and the pressing cylinder 1522 drives the pressing head 1523 to press into or leave the wire casing 1521. When the earring line is in use, the line groove 1521 needs to be connected to the line pulling assembly 153, meanwhile, in order to facilitate the introduction of the earring line into the line groove 1521, a plurality of first guide wheels 159 for introducing the earring line into the line groove 1521 are arranged on one side of the mounting seat 1552 corresponding to the line groove 1521, the first guide wheels 159 are arranged in a staggered mode, and the earring line firstly passes through the first guide wheels 159 and then passes through the line groove 1521. When the pulling wire assembly 153 pulls the ear strap wire to a determined length, the pressing cylinder 1522 is started to drive the pressing head 1523 to press into the wire groove 1521, so that the ear strap wire is fixed; when the next trimming is performed after the trimming is finished, the pressing cylinder 1522 moves reversely, so that the pressing head 1523 is separated from the wire groove 1521, and the pulling assembly 153 is ensured to pull the ear strap wire.

In this embodiment, the switch assembly 158 includes a moving groove 1581 which is arranged on the vertical plate 154 and located below the first driving mechanism 157, a wire pressing wheel 1582 and a second guide wheel 1583 are respectively arranged on two sides of the first driving mechanism 157, the first driving mechanism 157 is a motor, a roller is arranged on an output shaft of the motor, the roller is attached to the wire pressing wheel 1582, the second guide wheel 1583 and the roller are arranged at intervals, a response wheel 1584 is slidably connected inside the moving groove 1581, an inductor 1585 is arranged on one side of the moving groove 1581, and the inductor 1585 is electrically connected to the first driving mechanism 157. During operation, the wire ear-cutting tape spool is arranged on the ear tape spool bracket 156, then an ear tape wire passes through the roller and the wire pressing wheel 1582, and then the response wheel 184 and the second guide wheel 183 are sequentially connected, and then the first guide wheel 159 is connected. When the pull wire assembly 153 pulls the ear wire, the ear wire drives the response wheel 1584 to move upwards, when the response wheel 1584 moves to the position of the sensor 1585, the sensor 1585 drives the motor to start, and as the roller on the motor and the wire pressing wheel 1582 tightly press the ear wire, the motor drives the ear wire disc bracket 156 to rotate when rotating, so that feeding is realized.

In this embodiment, the welding assembly 13 includes a welding cylinder 131 corresponding to the welding table 12 and disposed at the upper end of the first support frame 16, two welding heads 132 are connected to a piston rod of the welding cylinder 131, a first ultrasonic vibrator 133 is disposed inside the first frame 11, and an upper surface of a first ultrasonic vibrator die head 134 extends out of the first frame 11 and is flush with the upper end of the welding table 12. During welding, the welding cylinder 131 drives the welding head 132 to descend to realize welding, and after welding is completed, the welding cylinder 131 drives the welding head 132 to ascend and reset. In order to ensure the moving precision of the welding head 132 and thus ensure the welding quality, a guide sleeve may be disposed on the first support frame 16, a guide rod is slidably disposed in the guide sleeve, and the guide rod is connected to the welding head 132, so as to ensure the moving precision of the welding head 132 under the action of the guide sleeve and the guide rod.

In addition, for avoiding first ultrasonic wave bumper 133 is generated heat too big influence and is used, the inside of first frame 11 corresponds first ultrasonic wave bumper 133 is equipped with radiator fan 17, radiator fan 17 can in time with the inside heat of first frame 11 distributes away, thereby guarantees first ultrasonic wave bumper 133's normal use.

Referring to fig. 5-6, in the present embodiment, the ear band clamping assembly 14 includes a lifting cylinder 141 disposed at the upper end of the first support frame 16 corresponding to the wire pulling assembly 153, a seat plate 142 is disposed on a piston rod of the lifting cylinder 141, two ends of the seat plate 142 are rotatably connected with second air claws 143, and the second air claws 143 are driven to open and close by the cylinder. The upper end of the second air claw 143 is provided with a gear 144, a rack 145 is engaged between the two gears 144, and one end of the rack 145, which is far away from the seat plate 142, is connected with a gear-pushing cylinder 146. The lifting cylinder 141 drives the second air claw 143 to lift; when the second air claw 143 needs to be rotated, the gear-pushing cylinder 146 is started to push the rack 145 to move, and the rack 145 is meshed with the gear 144, so that the gear 144 rotates to drive the second air claw 143 to rotate. Similarly, in order to ensure the lifting precision of the second air gripper 143, a guide sleeve may be disposed on the first support frame 16, a guide rod is slidably disposed in the guide sleeve, and the guide rod is connected to the second air gripper 143, so as to ensure the moving precision of the second air gripper 143 under the action of the guide sleeve and the guide rod.

In this embodiment, four corners of the bottom end of the first frame 11 are provided with adjusting feet 18, and the middle of the bottom end of the first frame 11 is provided with a plurality of casters 19. When the mask ear belt welding machine needs to be moved, the adjusting feet 18 are adjusted upwards, so that the caster wheels 19 fall to the ground and then are pushed, and the mask ear belt welding machine is convenient to move. After moving to the determined position, the adjusting foot 18 is adjusted downward, so that the adjusting foot 18 supports the bottom surface.

In this embodiment, the sheet forming machine 2 includes a discharging device 100 and a sheet forming machine main body 200, the sheet forming machine main body 200 includes a second frame 21, and a nose bridge conveying and cutting mechanism 22, an embossing roller set 23, a conveying roller set 24, a die cutting roller set 25 and a second driving mechanism 26 which are arranged on the second frame 21 and are sequentially arranged according to the assembly line direction, and the second driving mechanism 26 is respectively connected with the nose bridge conveying and cutting mechanism 22, the embossing roller set 23, the conveying roller set 24 and the die cutting roller set 25;

the nose bridge strip conveying and cutting mechanism 22 includes a bottom plate 221 arranged on the second frame 21, a wire releasing assembly 222 mounted on the bottom plate 221, a second mounting plate 223, a divider 224, and a wire pushing assembly 225, wherein the second mounting plate 221 is located between the wire releasing assembly 222 and the wire pushing assembly 225, the second mounting plate 221 is sequentially provided with a guide assembly 227, a feeding assembly 228, and a wire cutting assembly 229 along a direction from the wire releasing assembly 222 to the wire pushing assembly 225, the second driving mechanism 226 is connected with an input end of the divider 224, and an output end of the divider 224 is respectively connected with the feeding assembly 228, the wire cutting assembly 229, and the wire pushing assembly 225. The second driving mechanism 26 is arranged to be respectively connected with the nose bridge strip conveying and cutting mechanism 22, the embossing roller set 23, the conveying roller set 24 and the die cutting roller set 25, the divider 224 is arranged to be respectively connected with the second driving mechanism 226 and the feeding assembly 228, the trimming assembly 229 and the line pushing assembly 225, and therefore the embossing roller set 23, the conveying roller set 24, the die cutting roller set 25, the feeding assembly 228, the trimming assembly 229 and the line pushing assembly 225 can be driven by the second driving mechanism 26 to run synchronously, cost and debugging difficulty can be reduced by the second driving mechanism 26, abnormity in production can be reduced, and abnormity can be conveniently processed.

The utility model provides a gauze mask slicer's theory of operation does: the cloth is placed on a hanging rod of the discharging device 100, then sequentially penetrates through the nose bridge strip conveying and cutting mechanism 22, the embossing roller set 23, the conveying roller set 24 and the die cutting roller set 25, and is conveyed forwards through the conveying roller set 24 under the action of the second driving mechanism 26, the nose bridge strip conveying and cutting mechanism 22 conveys the cut nose bridge strip between cloth layers in the conveying process, then the cloth is embossed through the embossing roller set 23, and the cloth is continuously moved forwards after being embossed and is cut through the die cutting roller set 25 to obtain the mask body. Meanwhile, in order to facilitate the material distribution, a material distribution and passing roller is further arranged on the second frame 21 and comprises an upper layer material distribution and passing roller and a lower layer material distribution and passing roller.

Wherein, nose bridge strip is carried and cutting mechanism's theory of operation does: the nose bridge wire coil is mounted on the wire pay-off assembly 222, a nose bridge wire is sequentially connected with the guide assembly 227, the feeding assembly 228 and the wire pushing assembly 229, the second driving mechanism 26 is started when a nose bridge is cut, the feeding assembly 228, the wire cutting assembly 229 and the wire pushing assembly 225 synchronously run, the feeding assembly 228 firstly conveys the nose bridge wire to the wire cutting assembly 229, after the nose bridge wire is conveyed to a determined length, the wire cutting assembly 229 cuts the nose bridge wire into a nose bridge strip with a determined length, and then the wire pushing assembly 225 pushes out the nose bridge strip. The following is a detailed description of the specific operation of each component:

in this embodiment, the pay-off assembly 222 includes a supporting arm 2221, an installation box 2222 is disposed at one end of the supporting arm 2221, which is far away from the bottom plate 221, an upper end of the installation box 2222 is rotatably connected to a nose bridge wire coil 2223, a lower end of the installation box 2222 is rotatably connected to a rotating arm 2225, and a tensioning wheel 2224 is disposed on the rotating arm 2225. The nose bridge wire is installed on the nose bridge wire coil 2223, and then the nose bridge wire is connected to the tension wheel 2224 and then connected to the guide member 227, and the feed member 228 moves the nose bridge wire forward when the second driving mechanism 26 is activated.

Referring to fig. 11 to 14, in the present embodiment, the guiding assembly 227 includes a guiding plate 2271 fixed on the second mounting plate 223, two sliding slots 2272 are symmetrically disposed on the guiding plate 2271, a sliding block 2273 is disposed in the sliding slot 2272, a third guiding wheel 2274 is rotatably connected to the sliding block 2273, a spring 2276 is disposed between the sliding block 2273 and the bottom surface of the sliding slot 2272, a plurality of fourth guiding wheels 2275 are rotatably connected to the guiding plate 2271, and the plurality of fourth guiding wheels 2275 are disposed around the third guiding wheel 2274. The feeding assembly 228 includes a feeding shaft 2281 rotatably connected to the second mounting plate 223, one end of the feeding shaft 2281 is connected to the divider 224, the other end of the feeding shaft is connected to a driving wheel 2282, a driving roller 2283 driven by the driving wheel 2282 is arranged below the driving wheel 2282, a driven roller 2284 is arranged below the driving roller 2283, and a nose bridge wire is inserted between the driving roller 2283 and the driven roller 2284. When the divider 224 is rotated by the second driving mechanism 26, the driving wheel 2282 rotates to drive the driving roller 2283 to rotate by a corresponding angle, and the bridge line between the driving roller 2283 and the driven roller 2284 moves by a corresponding length when rotating, so as to ensure that the bridge bars have the same length. Specifically, the driving wheel 2282 includes two driving wheel bodies which are connected in a relatively rotatable manner, each driving wheel body includes a driving portion and a connecting portion which are connected with each other, each driving portion is in a sector shape, the connecting portion is rotatably connected to the feeding shaft 2281, when the connecting portion is mounted, an angle between the driving portions of the two driving wheel bodies is adjusted according to a length of a nose bridge strip, the driving portion is in a sector shape, so that the angle between the two driving portions is different, and the circumferences of the outer sides of the two driving portions are different, and the driving roller 2283 rotates in a manner that the outer sides of the driving portions are in contact with the driving roller 2283, so that the contact circumferences of the two driving portions and the driving roller 2283 determine the length of the nose bridge strip, and nose bridge strips with different lengths can be produced by changing the angle between the two driving wheel.

In this embodiment, the wire cutting assembly 229 includes a wire cutting seat 2291 and a point contact mechanism disposed above the wire cutting seat 2291, a through pushing hole 2292, a tangent hole 2293 communicated with the pushing hole 2292, and a cutter groove 2294 communicated with the tangent hole 2293 are disposed in the wire cutting seat 2291, a cutter 2295 is movably connected in the cutter groove 2294, the point contact mechanism includes a wire cutting shaft 2296 rotatably connected to the second mounting plate 223, one end of the wire cutting shaft 2296 is connected to the divider 224, and the other end of the wire cutting shaft 2296 is provided with a contact 2297 for driving the cutter 2295 to cut the nose bridge wire. When the nose bridge wire is conveyed into the tangent hole 2293, the contact 2297 rotates to the upper end of the cutter 2295, and the cutter 2295 moves downwards under the action of the contact 2297, so that the nose bridge wire is cut off. Simultaneously, for the convenience cutter 2295 resets, avoids its removal that influences the nasal bridge line, the both sides of cutter groove 2294 are equipped with the mounting groove respectively, be equipped with reset spring in the mounting groove, cutter 2295's middle part is equipped with the release link, reset spring's both ends butt respectively the release link reaches the bottom of mounting groove. When the cutting knife 2295 moves downward under the action of the contact 2297 to cut off the nasal cavity line, the contact 2297 leaves the cutting knife 2295 under the action of the cutting shaft 2296, and the cutting knife 2295 moves upward under the action of the return spring to return, so that continuous normal operation of each process is ensured.

In addition, a connecting block is arranged between the feeding assembly 228 and the thread trimming assembly 229, a guiding channel is arranged in the connecting block, and two ends of the guiding channel respectively correspond to a gap between the driving roller 2283 and the driven roller 2284 and the thread cutting hole 2293, so that the nose bridge wire is flattened under the action of the driving roller 2283 and the driven roller 2284, and then enters the thread cutting hole 2293 through the guiding channel, and the smoothness and the precision of the movement of the nose bridge wire in the thread cutting hole 2293 are ensured.

After the bridge wire is cut into a bridge strip, the wire pushing mechanism 225 pushes the bridge strip out of the pushing hole 2292, and specifically, the wire pushing assembly 225 includes a bridge push plate 2251 and an intermittent movement mechanism, and the bridge push plate 2251 is slidably connected in the pushing hole 2292 and connected to the divider 224 through the intermittent movement mechanism. The intermittent movement mechanism comprises a support frame 2252 arranged on the second mounting plate 223, a push wire shaft 2253 is rotatably connected to the support frame 2252, the divider 224 is connected to the middle of the push wire shaft 2253, a rotating wheel 2254 is arranged at one end of the push wire shaft 2253, a push rod 2255 is hinged to the edge of the rotating wheel 2254, and the other end of the push rod 2255 is hinged to the nose bridge push plate 2251. When the nose bridge strip is pushed, the divider 224 drives the pushing spool 2253 to rotate, the pushing spool 2253 drives the rotating wheel 2254 to rotate, and the rotating wheel 2254 pushes the nose bridge pushing plate 2251 to reciprocate in the pushing hole 2292, so as to push out the nose bridge strip.

Referring to fig. 15, in the present embodiment, the embossing roller set 23 includes a second fixing seat 231, and an embossing roller 232 is disposed on an upper end of the second fixing seat 231 in a height adjustable manner, and is adjustable by a screw rod. The lower end of the fixing seat 231 is provided with a second ultrasonic vibrator 233 corresponding to the embossing roller 232, and the embossing process of the mask is realized under the action of the second ultrasonic vibrator 233 and the embossing roller 232.

In this embodiment, if during the breather valve need be installed to the gauze mask of production, then need cut the breather valve mounting hole, specifically, lie in on the second frame 21 carry roller set 24 and be equipped with between the embossing roller set 23 with the hole roller set 27 is connected to second actuating mechanism 26, hole roller set 27 includes first fixing base 271, the upper end of first fixing base 271 is equipped with the hole cylinder 272, be equipped with the cutter that is used for cutting the hole on the hole cylinder 272, the below of cutting the hole cylinder 272 corresponds the cutter is equipped with the tool rest, the below of tool rest is equipped with and extends to the outer play feed cylinder 273 of second frame. When cutting, the second driving mechanism 26 drives the hole cutting roller 272 to rotate, hole cutting is realized through matching with the knife rest, and the cut waste is discharged through the discharging barrel 273. Meanwhile, in order to ensure the precision of hole cutting, an adjusting roller 28 is arranged between the hole cutting roller group 27 and the embossing roller group 3 in a height-adjustable mode, and the adjusting roller 28 adjusts the cloth to be flush with the tool rest before cutting, so that the cutting precision is ensured.

In this embodiment, the second driving mechanism 26 includes a motor 261 and a main shaft 262, the motor is connected to one end of the main shaft 262, the other end of the main shaft 262 is connected to the divider 224, the second mounting plate 223 is provided with a first chain wheel 2285 and a second chain wheel 2298 for connecting the feeding assembly 228 and the trimming assembly 229, the first chain wheel 2285 is connected to the feeding shaft 2281, and the second chain wheel 2298 is connected to the trimming shaft 2296; an output shaft of the divider 224 is provided with a third sprocket, and the first sprocket 2285, the second sprocket 2298 and the third sprocket are connected by a chain, so that the feeding assembly 228 and the thread trimming assembly 229 can synchronously operate. The input shaft of the divider 224 is connected with the second driving mechanism 226 by a chain, the divider 224 is connected with the wire pushing assembly 225 by a synchronous belt, an output shaft of the divider 224 is provided with a belt wheel, the wire pushing shaft 2253 is also provided with a belt wheel, and the synchronous belt is connected with the two belt wheels, so that the feeding assembly 228, the wire cutting assembly 229 and the wire pushing assembly 225 realize synchronous coordinated operation under the action of the divider 224, that is, coordinated actions among the feeding assembly 228, the wire cutting assembly 229 and the wire pushing assembly 225 are ensured, the cost and debugging difficulty are also reduced, anomalies in production are reduced, and the anomalies are conveniently handled.

The middle part of the main shaft 262 is provided with a fourth chain wheel which is connected with the embossing roller group 23, the conveying roller group 24, the die cutting roller group 25 and the hole cutting roller group 27 through chains. Thus ensuring the synchronous and coordinated operation among the nose bridge conveying and cutting mechanism 22, the embossing roller set 23, the conveying roller set 24, the die cutting roller set 25 and the hole cutting roller set 27.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a semi-automatic N95 gauze mask production line which characterized in that: the mask ear belt welding machine comprises a film making machine and a mask ear belt welding machine which are arranged in a separated mode, wherein the film making machine comprises a discharging device and a film making machine main body;

2. The semi-automatic N95 mask production line of claim 1, wherein: the first mounting plate is provided with a sliding rail, the sliding rail is adjustably provided with a mounting seat, the pressing component is fixed on the mounting seat, and the trimming component is adjustably arranged on the mounting seat corresponding to the pressing component;

3. The semi-automatic N95 mask production line of claim 2, wherein: the thread trimming assembly comprises a supporting rod adjustably arranged on the mounting seat, a thread trimming cylinder is arranged at one end, away from the mounting seat, of the supporting rod, and a piston rod of the thread trimming cylinder is connected with a thread trimmer;

4. The semi-automatic N95 mask production line of claim 2, wherein: the pull wire assembly comprises a pull wire cylinder fixed on the first mounting plate, a sliding block connected to the sliding rail in a sliding mode and a first air claw used for clamping or loosening the ear belt, a piston rod of the pull wire cylinder is connected with the sliding block, and the first air claw is arranged on the sliding block;

5. The semi-automatic N95 mask production line of claim 1, wherein: the switch assembly comprises a moving groove which is arranged on the vertical plate and is positioned below the first driving mechanism, a wire pressing wheel and a second guide wheel are respectively arranged on two sides of the first driving mechanism, a response wheel is connected inside the moving groove in a sliding manner, an inductor is arranged on one side of the moving groove, and the inductor is electrically connected with the first driving mechanism;

6. The semi-automatic N95 mask production line of claim 1, wherein: the main body of the sheet forming machine comprises a second frame, and a nose bridge conveying and cutting mechanism, an embossing roller set, a conveying roller set, a die cutting roller set and a second driving mechanism which are arranged on the second frame and are sequentially arranged in the assembly line direction, wherein the second driving mechanism is respectively connected with the nose bridge conveying and cutting mechanism, the embossing roller set, the conveying roller set and the die cutting roller set;

7. The semi-automatic N95 mask production line of claim 6, wherein: the pay-off assembly comprises a supporting arm, an installation box is arranged at one end of the supporting arm, which is far away from the bottom plate, the upper end of the installation box is rotatably connected with a nose bridge wire coil, the lower end of the installation box is rotatably connected with a rotating arm, and a tensioning wheel is arranged on the rotating arm;

8. The semi-automatic N95 mask production line of claim 6, wherein: the wire cutting assembly comprises a wire cutting seat and a point contact mechanism arranged above the wire cutting seat, a through pushing hole, a tangent hole communicated with the pushing hole and a cutter groove communicated with the tangent hole are formed in the wire cutting seat, a cutter is movably connected in the cutter groove, the point contact mechanism comprises a wire cutting shaft rotatably connected to the second mounting plate, one end of the wire cutting shaft is connected with the cutter, and the other end of the wire cutting shaft is provided with a contact for driving the cutter to cut the nose bridge wire;

9. The semi-automatic N95 mask production line of claim 6, wherein: the feeding assembly comprises a feeding shaft which is rotatably connected to the second mounting plate, one end of the feeding shaft is connected with the divider, the other end of the feeding shaft is connected with a driving wheel, a driving roller driven by the driving roller is arranged below the driving wheel, a driven roller is arranged below the driving roller, and a nose bridge line penetrates between the driving roller and the driven roller;

10. The semi-automatic N95 mask production line of claim 6, wherein: a hole cutting roller set connected with the second driving mechanism is arranged on the second rack between the conveying roller set and the embossing roller set, and an adjusting roller is arranged between the hole cutting roller set and the embossing roller set in a height-adjustable manner;