CN111482997A - Flat mask face body making equipment - Google Patents

Abstract

The invention discloses a planar mask body manufacturing device which comprises a first support, a second support, a fabric supply device, a nose bridge line supply device, a fabric nose bridge strip combining device, a long-edge welding device, a folding device, a short-edge welding device, a slicing device, a conveying device and a control device, wherein the first support is connected with the second support through a first connecting rod; the slicing device comprises a cutting roller mounting side plate, a slicing roller, a matching roller, a gap adjusting mechanism and a slicing power assembly; the both ends of a section roller diameter all set up flutedly along the axial of section roller, all install the butt fusion cutter in the recess, the knife face of butt fusion cutter stretches out the recess, and the length of butt fusion cutter along the circumference length of section roller and gauze mask equals for making every rotatory a week of section roller can cut and form two gauze masks like this, for the cutting technique of conventional equipment, its cutting efficiency has improved, and then has improved whole production efficiency.

Description

Flat mask face body making equipment

technical field

The invention relates to a mask manufacturing machinery and equipment, in particular to a plane mask face body manufacturing device.

Background technique

Masks, worn on the mouth and nose, can filter the air entering the mouth and nose, and block harmful gases, odors, and droplets from entering and leaving the wearer's mouth and nose. After the outbreak of the new coronavirus, masks have become an indispensable protective item in daily life. one.

In the prior art, more advanced mask machines are mostly automatic production equipment, which can improve the production speed of masks. For example, a Chinese invention patent discloses a fully automatic mask production line (application number: CN2018104045156), including a frame, a mask fabric edge banding device, a mask face folding device, a mask transverse sealing and cutting device, and an earband welding device; the mask fabric edge banding device includes a fabric Feeding device, fabric folding device, fabric welding device, fabric pulling mechanism and nose bridge feeding device, through the above-mentioned mask production line, the automatic production of masks can be realized. The Chinese utility model patent discloses a mask production system (application number CN2018218983222), which includes a feeding mechanism, a nose bridge feeding device, a first sealing device, a folding device, a second sealing device, a turning device, an adjusting device and The ear strap welding device, through the mask production line, also realizes the automatic production of masks.

However, in these two automatic mask production lines, the slicing roller can only be cut to form a flat mask face after one rotation, and the production capacity is low; when the nose bridge line is aligned with the mask fabric, the precision is low, resulting in a low yield of the processed flat face mask face. .

SUMMARY OF THE INVENTION

The present invention aims to provide a plane mask face body manufacturing equipment, so as to improve the production efficiency of the plane face mask face body.

In order to achieve the above-mentioned purpose, the plane mask face body manufacturing equipment provided by the present invention includes a first support, a second support, a fabric supply device, a nose bridge line supply device, a fabric nose bridge strip combination device, a long edge welding device, a wrinkle device, a short edge A welding device, a slicing device, a conveying device and a control device, the nose bridge wire supply device and the fabric supply device are installed on the first support, the fabric nose bridge strip binding device, the long edge welding device, the pleating device, the short edge welding device and the The slicing device is sequentially installed on the second support along the fabric conveying direction, the fabric supply device conveys multi-layer fabrics to the fabric nose bridge strip binding device, the nose bridge wire supply device conveys the nose bridge wire to the fabric nose bridge strip binding device, and the slicing device includes The cutting roller is installed with a side plate, a slicing roller, a matching roller, a gap adjustment mechanism and a slicing power assembly; the cutting roller installation side plate is two symmetrically arranged along the conveying direction of the mask, and the slicing roller is fixedly installed on the two sides by the gap adjustment mechanism. Between the two cutting roller installation side plates, the matching roller is fixedly installed between the two cutting roller installation side plates, and is press-fitted with the slicing roller up and down; the shaft of the slicing roller and the shaft of the matching roller pass through all the After the roller is installed on the side plate, a first gear that meshes with each other is fixedly sleeved, and the shaft of the slicing roller is also connected with the output end of the slicing power assembly; both ends of a diameter of the slicing roller are provided with Grooves, each groove is equipped with a welding cutter, the blade surface of the welding cutter extends out of the groove, and the circumferential length of the two welding cutters along the slicing roller is equal to the length of the mask.

When using the plane mask face body manufacturing equipment provided by the present invention, the fabric supply device delivers multi-layer fabrics to the fabric nose bridge strip binding device, the nose bridge wire supply device delivers the nose bridge wire to the fabric nose bridge strip binding device, and the fabric nose bridge strip binding device passes through the multi-layer fabric. Perform up and down stacking, cut the nose bridge wire delivered by the nose bridge wire supply device to form a nose bridge strip, superimpose the nose bridge strip on the preset position of the multi-layer fabric, and then seal the long edge through the long edge welding device. The facial folds of the mask are formed, the short sides are sealed by the short side welding device, and finally the mask body is cut into standard lengths by the slicing device.

In the present invention, two grooves are set on the slicing roller, each groove is equipped with a welding cutter, and the circumferential length of the two welding cutters along the slicing roller is equal to the length of the mask, so that the slicing roller is Two masks can be cut by one rotation. Compared with the cutting technology of traditional equipment, the cutting efficiency is improved, thereby improving the overall production efficiency.

Preferably, the clearance adjustment mechanism includes a hand wheel, an adjustment screw, a nut plate, a lifting bearing, a compression spring and a bearing slide rail, the bearing slide rails are two oppositely arranged, and the two bearing slide rails and the nut plate are fixed One side wall of the side plate of the cutting roller is installed and connected to form a shank structure, the upper end of the adjusting screw is connected with the hand wheel, the lower end of the adjusting screw is screwed through the nut plate, and is fixedly connected with the lifting bearing matched with the bearing slide rail. The compression spring is sleeved on the adjusting screw and sandwiched between the nut plate and the bearing. The shaft of the slicing roller is sleeved on the lifting bearing. When the gap between the slicing roller and the matching roller is adjusted, the handwheel is rotated to drive the adjusting screw to rotate. Then, the lifting bearing is pushed up or down to change the matching position of the lifting bearing and the bearing slide rail, thereby obtaining a reasonable gap between the slicing roller and the matching roller. The gap adjustment mechanism is simple in structure, convenient in operation and high in precision.

Preferably, the conveying assembly includes a conveying side plate, a conveying power assembly, a clamping assembly and a belt transmission assembly; the conveying side plate is two symmetrically arranged pieces, and the clamping assembly and the belt transmission assembly are installed on two sides correspondingly up and down. Between the conveying side plates, the conveying power assembly is fixed on the side wall of a conveying side plate; the belt transmission assembly includes a driving pulley, a driven pulley and a conveyor belt that is driven and matched with the driving pulley and the driven pulley, so The shaft of the driving pulley can be rotated through the conveying side plate and is driven to connect with the power output end of the conveying power assembly; the clamping assembly includes a clamping driving wheel, a clamping driven wheel, and a clamping driving wheel and a clamping driven wheel A plurality of clamping belts are driven and matched; the side end of the clamping driving pulley is frictionally rotated with the side end of the driving pulley, and the gap between the clamping belt and the conveyor belt is from the clamping driving pulley to the clamping belt. After the driven wheel gradually increases, by adding clamping components, the mask body can be prevented from deviating from the preset trajectory due to light weight and static electricity, and the mask body can be accurately and quickly input to the next station to install the ear straps.

Preferably, the fabric nose bridge strip combination device includes a leveling mechanism, a traction mechanism, a cutter group mechanism and an alignment mechanism that are sequentially arranged from front to back along the conveying direction of the nose bridge strip; the leveling mechanism includes at least one wire-passing mechanism a roller and a thread-passing roller that is mutually pressed against the thread-passing roller; the traction mechanism includes an upper traction wheel and a lower traction wheel that are aligned up and down, and the upper traction wheel and the lower traction wheel are pressed against each other and rotate relative to each other; the cutting The knife group mechanism includes a fixed side plate, a rotating assembly, a rotating arm, a cutter assembly and a guide assembly, the fixed side plate is erected behind the traction mechanism, the rotating assembly is installed on the upper side of the fixed side plate, and the rotating The arm is arranged on the outer wall of the rotating assembly, the cutter assembly is located below the rotating arm and is fixed on the fixed side plate, and the guide assembly is disposed at the front and lower side of the cutter assembly, and the rotating assembly drives the rotating arm to intermittently push the cutting blade. The knife assembly cuts off the nose bridge strip that is guided by the guide assembly to the lower part of the cutter assembly; the alignment and fitting mechanism delivers the nose bridge strip cut by the cutter assembly mechanism to the nose bridge strip of the fabric.

Preferably, the cutter assembly includes a cutter connecting block, a cutting fixing seat, a connecting shaft, an inner cutter, a floating connection block, an inner cutter baffle, a cutter guide groove, a lower cutter and an elastic mechanism, and the cutter The connecting block is fixed on the side wall of the fixed side plate, the cutting fixing seat and the cutting knife connecting block are connected by two horizontally parallel connecting shafts, and the bottom of the cutting fixing seat is provided with a wire slot along the conveying direction of the nose bridge line. The rear end surface of the cutting fixing seat is provided with an inner cutting knife blocking piece, the inner cutting knife blocking piece and the rear end surface of the cutting fixing seat form a knife groove for the inner cutting knife to slide up and down, and the upper end of the inner cutting knife protrudes The knife groove is equipped with a floating connecting block. As the rotating assembly rotates, the rotating arm pushes the floating connecting block to move down intermittently. When the knife loses the downward pushing force of the rotating arm, the inner knife is pushed up and reset by the elastic mechanism.

Preferably, the upper end of the floating connecting block has an inclined surface, and the mating end of the rotating arm and the floating connecting block has a thrust bearing.

Preferably, the elastic mechanism includes a rigid elastic rod, an adjustment slot is horizontally opened in the cutting fixing seat and located on the upper part of the connecting shaft, one end of the rigid elastic rod is connected with the upper part of the inner cutter, and the other end of the rigid elastic rod is connected with The upper part of the front end of the adjustment slot is connected, and when the inner cutter is under the downward force of the rotating arm, the part of the rigid elastic rod close to the inner cutter is pressed against the bottom of the rear end of the adjustment slot.

Preferably, the alignment and bonding mechanism includes an upper pressing plate, a lower pressing plate, a front hemming plate, a rear hemming plate and an alignment guide groove, the upper pressing plate and the lower pressing plate are arranged in parallel up and down, and the upper pressing plate is shorter than the lower pressing plate, And the rear end surface of the upper pressing plate and the rear end surface of the lower pressing plate are coplanar, and a clamping groove for sandwiching the fabric is formed between the upper pressing plate and the lower pressing plate;

The two side walls at the front end of the lower pressing plate are respectively provided with front hemming plates, and the included angle between the front hemming plate and the lower pressing plate is between 120° and 130°, and the two side walls at the rear end of the lower pressing plate are respectively provided. There are respectively rear hemming plates parallel to the lower pressing plate, the angle between the rear hemming plate and the lower pressing plate is between 0° and 5°, and the projection of the alignment guide groove on the upper pressing plate forms a right-angled trapezoid structure , the width of the notch of the alignment guide groove is greater than the width of the groove tail of the alignment guide groove, and the alignment guide groove is installed just below the rear hemming plate.

Preferably, the front end of the upper pressing plate is provided with a guide plate which is 30° to 45° with respect to the lower pressing plate.

Preferably, the surface of the upper pressing plate is provided with a pressing plate lifting and adjusting mechanism.

Description of drawings

In order to illustrate the specific embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that are required to be used in the description of the specific embodiments or the prior art.

FIG. 1 is an overall schematic diagram of a device for making a plane mask face body according to an embodiment of the present invention.

Fig. 2 is the structural representation of the short side welding device and the slicing device in Fig. 1;

Fig. 3 is an exploded schematic view of the slicing device in Fig. 2;

Fig. 4 is the three-dimensional schematic diagram of the slicing roller in Fig. 3;

Fig. 5 is the three-dimensional schematic diagram of the conveying device in Fig. 1;

Fig. 6 is a partial schematic view of the conveying device in Fig. 5;

Fig. 7 is the three-dimensional schematic diagram of the fabric nose bridge strip binding device in Fig. 1;

Fig. 8 is the partial schematic diagram of the fabric nose bridge strip binding device in Fig. 7;

FIG. 9 is a three-dimensional schematic diagram of the alignment and bonding mechanism in FIG. 8 .

In the attached drawings, the marks are as follows:

first support 1;

second support 2;

fabric supply device 3;

nose bridge wire supply device 4;

Fabric nose bridge combination device 5; thread-passing roller 501, thread-passing roller 502, upper traction wheel 503, lower traction wheel 504, fixed side plate 505, rotating arm 506, cutter connecting block 507, cutting fixing seat 508, connecting shaft 509 , inner cutter 510, floating connection block 511, inner cutter baffle 512, cutter guide slot 513, lower cutter 514, push bearing 515, adjustment slot 518, upper pressure plate 520, lower pressure plate 521, front hemming plate 522 , rear hemming plate 523, guide plate 524; pressure plate lifting adjustment mechanism 525, alignment guide groove 526;

Long side welding device 6;

Folding device 7;

Short side welding device 8;

Slicing device 9, cutting roller mounting side plate 901, slicing roller 902, welding cutter 902a, matching roller 903, first gear 904, driving gear 905, hand wheel 906, adjusting screw 907, nut plate 908, lifting bearing 909, pressure Spring 910, bearing slide rail 911, installation box 912;

Conveying device 10; conveying side plate 1001, driving pulley 1002, driven pulley 1003, conveyor belt 1004, clamping driving pulley 1005, clamping driven pulley 1006, clamping belt 1007, tension bearing 1008;

Control device 11 .

Detailed ways

The following describes in detail the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary, and are intended to explain the present invention and should not be construed as limiting the present invention.

As shown in FIG. 1, the present embodiment provides a plane mask face body manufacturing equipment, which includes a first support 1, a second support 2, a fabric supply device 3, a nose bridge line supply device 4, a fabric nose bridge strip combining device 5, a long side Welding device 6, pleating device 7, short edge welding device 8, slicing device 9, conveying device 10 and control device 11, nose bridge wire supply device 4 and fabric supply device 3 are installed on the first support 1, fabric nose bridge strip combination device 5 , The long side welding device 6, the pleating device 7, the short side welding device 8 and the slicing device 9 are sequentially installed on the second support 2 along the fabric conveying direction. The supplying device 4 delivers the nose bridge wire to the fabric nose bridge strip combining device 5 .

In this embodiment, the first support 1 is preferably a profile frame, the second support 2 is preferably a rectangular cabinet, and the fabric supply device 3 includes a plurality of fabric pay-off rollers. When producing disposable medical masks, the fabric pay-off rollers can be Three, the top fabric pay-off roller is a non-woven pay-off roller, the middle fabric pay-off roller is a melt-blown cloth pay-off roller, and the bottom fabric pay-off roller is a non-woven pay-off roller. Of course, when the number of layers of the mask changes, the number of fabric pay-off rollers also changes. In this embodiment, the fabric supplying device 3 and the nose bridge thread supplying device 4 are respectively similar in structure to the fabric feeding device and the nose bridge threading device in the Chinese invention CN2018206301218, so they are not repeated here.

As shown in FIG. 2 and FIG. 3 , the slicing device 9 includes a side plate 901 for installing a slicing roller, a slicing roller 902, a matching roller 903, a gap adjustment mechanism and a slicing power assembly;

The cutting roller mounting side plates 901 are two symmetrically arranged along the mask conveying direction, the slicing roller 902 is fixedly installed between the two cutting roller mounting side plates 901 through the gap adjustment mechanism, and the matching roller 903 is fixedly installed on the two cutting roller mounting sides. Between the plates 901, and press-fit with the slicing roller 902 up and down; the shaft of the slicing roller 902 and the shaft of the matching roller 903 pass through the cutting roller to install the side plate 901 and are fixedly sleeved with a first gear 904 that meshes with each other. The shaft of the slicing roller 902 is also connected to the output of the slicing power assembly.

In this embodiment, the side plate 901 for installing the cutting roller is relatively long. It is not limited to installing the slicing roller 902 and the matching roller 903, but also a short-side welding roller.

The first gear 904 on the shaft of the slicing roller 902 and the first gear 904 on the shaft of the matching roller 903 are located on the outer side of the installation of the cutting roller, and the two mesh with each other. The shaft of the slicing roller 902 is also equipped with a driving gear 905. The driving gear 905 The slicing power assembly drives the slicing roller 902 to rotate, and the slicing roller 902 rotates to drive the matching roller 903 to rotate relatively, thereby realizing the slicing roller 902 to cut and separate the mask.

In this embodiment, a side wall of an installation side plate 901 is fixedly installed with an installation box 912 , and the installation box 912 can be used to protect the first gear 904 .

As shown in FIG. 4 , two ends of a diameter of the slicing roller 902 are provided with grooves along the axial direction of the slicing roller 902, each groove is equipped with a welding cutter 902a, and the blade surface of the welding cutter 902a protrudes from the concave The circumferential length of the two welding cutters 902a along the slicing roller 902 is equal to the length of the mask.

In this embodiment, the blade surface of the welding cutter 902a is a double-beveled blade, so that the slicing roller 902 can be rotated both in the forward direction and in the reverse direction to cut and separate the mask face.

As shown in FIG. 3 , the clearance adjustment mechanism includes a hand wheel 906 , an adjusting screw 907 , a nut plate 908 , a lifting bearing 909 , a compression spring 910 and a bearing slide rail 911 . The bearing slide rails 911 are two oppositely arranged, and the two bearing slide rails The rail 911 and the nut plate 908 are fixed on a side wall of the cutting roller installation side plate 901 and are connected to form a square structure. The upper end of the adjusting screw 907 is connected with the hand wheel 906. After the lower end of the adjusting screw 907 is screwed through the nut plate 908, The lift bearing 909 matched with the bearing slide 911 is fixedly connected. The compression spring 910 is sleeved on the adjusting screw 907 and sandwiched between the nut plate 908 and the bearing. The shaft of the slicing roller 902 is sleeved on the lift bearing 909 . The opposite inner side walls of the two bearing slide rails 911 have sliding grooves, and the outer ring arm of the lift bearing 909 has a sliding block part that is tightly slidably fitted with the sliding grooves.

When adjusting the gap between the slicing roller 902 and the matching roller 903, rotate the hand wheel 906 to drive the adjusting screw 907 to rotate up or down, thereby pushing the lifting bearing 909 to move up or down, thereby changing the matching position of the lifting bearing 909 and the bearing slide rail 911, Further, a reasonable gap between the slicing roller 902 and the matching roller 903 is obtained, and the gap adjusting mechanism is simple in structure, convenient in operation and high in precision.

As shown in Fig. 5, the conveying assembly includes conveying side plate 1001, conveying power assembly, clamping assembly and belt transmission assembly; the conveying side plate 1001 is two symmetrically arranged pieces, and the clamping assembly and the belt transmission assembly are installed on the two pieces correspondingly up and down Between the conveying side plates 1001, the conveying power assembly is fixed on the side wall of a conveying side plate 1001; the belt transmission assembly includes a driving pulley 1002, a driven pulley 1003, and a driving belt 1004 that cooperates with the driving pulley 1002 and the driven pulley 1003. , the shaft of the driving pulley 1002 can be rotated through the conveying side plate 1001 and then driven to connect with the power output end of the conveying power assembly;

In this embodiment, the conveying side plate 1001 is installed with a tensioning bearing 1008 which can be adjusted up and down.

As shown in FIG. 6 , the clamping assembly includes a clamping driving wheel 1005 , a clamping driven wheel 1006 , and a plurality of clamping belts 1007 in driving cooperation with the clamping driving wheel 1005 and the clamping driven wheel 1006 to clamp the side of the driving wheel 1005 . The end is in frictional rotation with the side end of the driving pulley 1002, and the gap between the clamping belt 1007 and the conveyor belt 1004 gradually increases from clamping the driving pulley 1005 to clamping the driven pulley 1006. By adding clamping components, It can prevent the mask body from deviating from the preset trajectory due to light weight and static electricity, and realize accurate and fast input of the mask body to the next station to install the ear straps.

In this embodiment, the clamping belts 1007 are three elastic bandages arranged in parallel, and the mask face body can be quickly transported to the next station by squeezing the mask face body through the elastic bandages.

As shown in FIG. 7 , the fabric nose bridge strip combining device 5 includes a leveling mechanism, a traction mechanism, a cutter group mechanism and an alignment mechanism that are sequentially arranged along the conveying direction of the nose bridge strip from front to back; the leveling mechanism includes at least one wire-passing mechanism The roller 501 and the thread-passing roller 502 which is mutually pressed against the thread-passing roller 501; the traction mechanism includes an upper traction wheel 503 and a lower traction wheel 504 that are aligned up and down, and the upper traction wheel 503 and the lower traction wheel 504 are pressed against each other and are opposite to each other. turn;

In this embodiment, the specific structure of the leveling mechanism and the traction mechanism can refer to a fully automatic mask production line disclosed in the Chinese invention patent (application number CN2018104045156).

As shown in Figures 7 and 8, the cutter group mechanism includes a fixed side plate 505, a rotating assembly, a rotating arm 506, a cutter assembly and a guide assembly. The fixed side plate 505 is erected behind the traction mechanism, and the rotating assembly is installed on the fixed side plate 505. On the upper side of the side plate 505, the rotating arm 506 is arranged on the outer wall of the rotating assembly, the cutter assembly is located under the rotating arm 506 and is fixed on the fixed side plate 505, and the guide assembly is arranged at the front and lower side of the cutter assembly , the rotating assembly drives the rotating arm 506 to intermittently push the cutter assembly to cut off the bridge of the nose that is guided by the guide assembly to the bottom of the cutter assembly; the alignment and fit mechanism delivers the bridge of the nose cut by the cutter mechanism to the nose bridge of the fabric Article place.

As shown in FIG. 8 , the cutter assembly includes a cutter connecting block 507 , a cutting fixed seat 508 , a connecting shaft 509 , an inner cutter 510 , a floating connection block 511 , an inner cutter blocking plate 512 , a cutter guide groove 513 , and a lower cutter 514 and the elastic mechanism, the cutter connecting block 507 is fixed on the side wall of the fixed side plate 505, the cutting fixing seat 508 and the cutting knife connecting block 507 are connected by two horizontally parallel connecting shafts 509, and the bottom of the cutting fixing seat 508 is along the bridge of the nose. A wire slot is provided in the wire conveying direction, and the rear end surface of the cutting fixing seat 508 is provided with an inner cutting knife blocking piece 512. The inner cutting knife blocking piece 512 and the rear end surface of the cutting fixing base 508 form a knife groove for the inner cutting knife 510 to slide up and down. , the upper end of the inner cutting knife 510 protrudes from the knife groove and is equipped with a floating connecting block 511. With the rotation of the rotating assembly, the rotating arm 506 intermittently pushes the floating connecting block 511 to move down, and the elastic mechanism is set in the cutting fixed seat 508, and one end Connected to the inner cutter 510, when the inner cutter 510 loses the downward pushing force of the rotating arm 506, the inner cutter 510 is pushed upward by the elastic mechanism to reset.

The upper end of the floating connection block 511 has an inclined surface, and the mating end of the rotating arm 506 and the floating connection block 511 has a push bearing 515 .

The elastic mechanism includes a rigid elastic rod 516, and an adjustment groove 518 is horizontally opened in the upper part of the connecting shaft 509 in the cutting fixing seat 508. One end of the rigid elastic rod 516 is connected with the upper part of the inner cutter 510, and the other end of the rigid elastic rod 516 is connected with the adjustment groove. The upper part of the front end of the inner cutter 518 is connected. When the inner cutter 510 is under the downward force of the rotating arm 506 , the part of the rigid elastic rod 516 close to the inner cutter 510 is pressed against the bottom of the rear end of the adjustment slot 518 .

As shown in FIG. 9 , the alignment and bonding mechanism includes an upper pressure plate 520, a lower pressure plate 521, a front hemming plate 522, a rear hemming plate 523 and an alignment guide groove 526. The upper pressure plate 520 and the lower pressure plate 521 are arranged in parallel up and down. The pressure plate 520 is shorter than the lower pressure plate 521, and the rear end surface of the upper pressure plate 520 and the rear end surface of the lower pressure plate 521 are coplanar, and a clamping groove for sandwiching the fabric is formed between the upper pressure plate 520 and the lower pressure plate 521;

The two side walls at the front end of the lower pressing plate 521 are respectively provided with a front folding plate 522, the angle between the front folding plate 522 and the lower pressing plate 521 is between 120° and 130°, and the two side walls at the rear end of the lower pressing plate 521 are respectively There is a rear hemming plate 523 parallel to the lower pressing plate 521, the angle between the rear hemming plate 523 and the lower pressing plate 521 is between 0° and 5°, and the projection of the alignment guide groove 526 on the upper pressing plate 520 is a right-angled trapezoid. Structure, the width of the notch of the alignment guide groove 526 is greater than the width of the groove tail of the alignment guide groove 526, the alignment guide groove 526 is installed directly below the rear hemming plate 523, and the front end of the upper pressing plate 520 is provided with the lower pressing plate 521. Guide plate 524 at 30° to 45°.

When the multi-layer fabric is conveyed to the lower pressing plate 521, the edge of the fabric is inclined and lifted up under the guidance of the front hemming plate 522, and the back hemming plate 523 is pressed back to form a hemming. Just below the side plate 523, the nose bridge output from the alignment guide groove 526 is just positioned on the fabric, so that the fabric nose bridge can be accurately combined. In this process, no additional power mechanism is required, and the structure is simple.

As shown in FIG. 9 , the surface of the upper pressing plate 520 is provided with a pressing plate lifting adjusting mechanism 525 , and the pressing plate lifting adjusting mechanism 525 can drive the upper pressing plate 520 to rise and fall, thereby realizing the adjustable distance between the upper pressing plate 520 and the lower pressing plate.

In this embodiment, the structure of the wrinkling device 7 is the same as that of the middle wrinkle part of the face cloth of the mask machine disclosed by the Chinese utility model (application number: CN2020102279791).

In this embodiment, the long-side welding device 6 and the short-side welding device 8 have the same structures as the long-side welding device and the short-side welding device in the prior art, respectively.

The present embodiment provides a plane mask surface body manufacturing equipment. Two grooves are opened on the slicing roller, and each groove is installed with a welding cutter. The two welding cutters are along the circumferential length of the slicing roller and the mask The lengths are equal, so that the slicing roller can be cut to form two masks per revolution. Compared with the cutting technology of traditional equipment, the cutting efficiency is improved, thereby improving the overall production efficiency. In addition, by improving the cutter assembly and selecting the rigid elastic rod 516 as the elastic mechanism, the performance of the elastic mechanism can be improved, thereby helping to improve the service life of the cutter assembly.

In the present invention, unless otherwise expressly specified and limited, the terms "installed", "connected", "connected", "fixed" and other terms should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection , or integrated; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal connection of the two elements or the interaction relationship between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

In the present invention, unless otherwise expressly specified and limited, a first feature "on" or "under" a second feature may be in direct contact between the first and second features, or the first and second features indirectly through an intermediary touch. Also, the first feature being "above", "over" and "above" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is level higher than the second feature. The first feature being "below", "below" and "below" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature has a lower level than the second feature.

In the description of this specification, description with reference to the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples", etc., mean specific features described in connection with the embodiment or example , structure, material or feature is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, those skilled in the art may combine and combine the different embodiments or examples described in this specification, as well as the features of the different embodiments or examples, without conflicting each other.

Although the embodiments of the present invention have been shown and described above, it should be understood that the above-mentioned embodiments are exemplary and should not be construed as limiting the present invention. Embodiments are subject to variations, modifications, substitutions and variations.

Claims (10)

1. The planar mask body manufacturing equipment comprises a first support (1), a second support (2), a fabric supply device (3), a nose bridge line supply device (4), a fabric nose bridge strip combination device (5), a long-edge welding device (6), a folding device (7), a short-edge welding device (8), a slicing device (9), a conveying device (10) and a control device (11), wherein the nose bridge line supply device (4) and the fabric supply device (3) are arranged on the first support (1), the fabric nose bridge strip combination device (5), the long-edge welding device (6), the folding device (7), the short-edge welding device (8) and the slicing device (9) are sequentially arranged on the second support (2) along the conveying direction of fabrics, the fabric supply device (3) conveys multiple layers of fabrics to the fabric nose bridge strip combination device (5), and the nose bridge line supply device (4) conveys nose bridge lines to the fabric nose bridge strip combination device (5), the method is characterized in that:

the slicing device (9) comprises a cutting roller mounting side plate (901), a slicing roller (902), a matching roller (903), a gap adjusting mechanism and a slicing power assembly;

the cutting roller mounting side plates (901) are symmetrically arranged along the conveying direction of the mask, the slicing roller (902) is fixedly arranged between the two cutting roller mounting side plates (901) through a gap adjusting mechanism, and the matching roller (903) is fixedly arranged between the two cutting roller mounting side plates (901) and is in up-and-down press fit with the slicing roller (902);

the shaft of the slicing roller (902) and the shaft of the matching roller (903) penetrate through all roller mounting side plates (901), and then are fixedly sleeved with first gears (904) which are meshed with each other, and the shaft of the slicing roller (902) is also connected with the output end of a slicing power assembly;

the both ends of a section roller (902) diameter all set up flutedly along the axial of section roller (902), all install butt fusion cutter (902a) in every recess, the knife face of butt fusion cutter (902a) stretches out the recess, and the circumference length of two butt fusion cutters (902a) along section roller (902) equals with the length of gauze mask.

2. The flat mask face body manufacturing apparatus according to claim 1, characterized in that: the clearance adjusting mechanism comprises a hand wheel (906), two adjusting screw rods (907), a nut plate (908), a lifting bearing (909), a pressure spring (910) and two bearing slide rails (911), wherein the two bearing slide rails (911) are arranged oppositely, the two bearing slide rails (911) and the nut plate (908) are fixedly arranged on one side wall of the cutting roller mounting side plate (901) and connected to form an Jiong structure, the upper end of each adjusting screw rod (907) is connected with the hand wheel (906), the lower end of each adjusting screw rod (907) is fixedly connected with the lifting bearing (909) matched with the corresponding bearing slide rail (911) after penetrating through the corresponding nut plate (908), the pressure spring (910) is sleeved on the corresponding adjusting screw rod (907) and clamped between the corresponding nut plate (908) and the corresponding bearing, and the shaft of the cutting roller (902) is sleeved on the lifting bearing (909).

3. The flat mask face body manufacturing apparatus according to claim 2, characterized in that: the conveying assembly comprises a conveying side plate (1001), a conveying power assembly, a clamping assembly and a belt transmission assembly;

the conveying side plates (1001) are symmetrically arranged, the clamping assembly and the belt transmission assembly are correspondingly arranged between the two conveying side plates (1001) from top to bottom, and the conveying power assembly is fixedly arranged on the side wall of one conveying side plate (1001);

the belt transmission assembly comprises a driving pulley (1002), a driven pulley (1003) and a conveying belt (1004) in transmission fit with the driving pulley (1002) and the driven pulley (1003), and a shaft of the driving pulley (1002) can rotatably penetrate through the conveying side plate (1001) and then is in driving connection with a power output end of the conveying power assembly;

the clamping assembly comprises a clamping driving wheel (1005), a clamping driven wheel (1006) and a plurality of clamping belts (1007) in transmission fit with the clamping driving wheel (1005) and the clamping driven wheel (1006);

the side end part of the clamping driving wheel (1005) is in friction rotation fit with the side end part of the driving pulley (1002), and the gap between the clamping belt (1007) and the conveying belt (1004) is gradually increased from the clamping driving wheel (1005) to the clamping driven wheel (1006).

4. The flat mask face body manufacturing apparatus according to claim 1, characterized in that: the fabric nose bridge strip combination device (5) comprises a track leveling mechanism, a traction mechanism, a cutter group mechanism and an alignment and fitting mechanism which are sequentially arranged from front to back along the conveying direction of the nose bridge strip;

the track mechanism comprises at least one wire passing roller (501) and a wire passing roller (502) which is pressed with the wire passing roller (501);

the traction mechanism comprises an upper traction wheel (503) and a lower traction wheel (504) which are arranged in an up-down alignment manner, and the upper traction wheel (503) and the lower traction wheel (504) are mutually pressed and relatively rotate;

the cutter group mechanism comprises a fixed side plate (505), a rotating assembly, a rotating arm (506), a cutter assembly and a guide assembly, the fixed side plate (505) is vertically arranged behind the traction mechanism, the rotating assembly is installed at the upper side part of the fixed side plate (505), the rotating arm (506) is arranged on the outer wall of the rotating assembly, the cutter assembly is positioned below the rotating arm (506) and fixed on the fixed side plate (505), the guide assembly is arranged below the side front part of the cutter assembly, and the rotating assembly drives the rotating arm (506) to intermittently push the cutter assembly to cut off a nose bridge strip guided to the lower part of the cutter assembly by the guide assembly; and the alignment and lamination mechanism conveys the nose bridge strip cut off by the cutter set mechanism to the nose bridge strip lamination position of the fabric.

5. The flat mask face body manufacturing apparatus according to claim 4, characterized in that: the cutter component comprises a cutter connecting block (507), a cutting fixing seat (508), a connecting shaft (509), an inner cutter (510), a floating connecting block (511), an inner cutter baffle (512), a cutter guiding groove (513), a lower cutter (514) and an elastic mechanism, wherein the cutter connecting block (507) is fixedly arranged on the side wall of a fixed side plate (505), the cutting fixing seat (508) is connected with the cutter connecting block (507) through the two connecting shafts (509) which are horizontally parallel, a wire passing groove is formed in the bottom of the cutting fixing seat (508) along the conveying direction of a nose bridge line, the inner cutter baffle (512) is arranged on the rear end face of the cutting fixing seat (508), a cutter groove for the inner cutter (510) to slide up and down is formed on the rear end face of the cutting fixing seat (508), the upper end of the inner cutter (510) extends out of the cutter groove and is provided with the floating connecting, along with rotating assembly rotates, swinging boom (506) intermittent type promotes unsteady connecting block (511) and moves down, elastic mechanism locates in cutting off fixing base (508), and one end is connected with interior cutter (510), and when interior cutter (510) lost swinging boom (506) decurrent driving force, interior cutter (510) were upwards promoted by elastic mechanism and are reset.

6. The flat mask face body manufacturing apparatus according to claim 5, characterized in that: the upper end of the floating connecting block (511) is provided with an inclined surface, and the matching end of the rotating arm (506) and the floating connecting block (511) is provided with a push bearing (515).

7. The flat mask face body manufacturing apparatus according to claim 6, characterized in that: the elastic mechanism comprises a rigid elastic rod (516), an adjusting groove (518) is horizontally formed in the upper portion, located on the connecting shaft (509), of the cut-off fixing seat (508), one end of the rigid elastic rod (516) is connected with the upper portion of the inner cutter (510), the other end of the rigid elastic rod (516) is connected with the upper portion of the front end of the adjusting groove (518), and when the inner cutter (510) is subjected to downward acting force of the rotating arm (506), the portion, close to the inner cutter (510), of the rigid elastic rod (516) abuts against the bottom of the rear end of the adjusting groove (518).

8. The flat mask face body producing apparatus according to claim 7, wherein: the alignment attaching mechanism comprises an upper pressing plate (520), a lower pressing plate (521), a front folding plate (522), a rear folding plate (523) and an alignment guide groove (526), the upper pressing plate (520) and the lower pressing plate (521) are arranged in parallel up and down, the upper pressing plate (520) is shorter than the lower pressing plate (521), the rear end face of the upper pressing plate (520) and the rear end face of the lower pressing plate (521) are coplanar up and down, and a clamping groove for clamping the fabric is formed between the upper pressing plate (520) and the lower pressing plate (521);

two lateral walls of holding down plate (521) front end are equipped with preceding hem board (522) respectively, preceding hem board (522) is between 120 to 130 with contained angle of holding down plate (521), two lateral walls of holding down plate (521) rear end are equipped with back hem board (523) parallel with holding down plate (521) respectively, the contained angle of back hem board (523) and holding down plate (521) is between 0 to 5, counterpoint guide way (526) become the right trapezoid structure in the projection of holding down plate (520), and the notch width of counterpoint guide way (526) is greater than the groove tail width of counterpoint guide way (526), counterpoint guide way (526) are installed under back hem board (523).

9. The flat mask face body producing apparatus according to claim 8, wherein: the front end part of the upper pressure plate (520) is provided with a guide plate (524) which forms an angle of 30-45 degrees with the lower pressure plate (521).

10. The flat mask face body producing apparatus according to claim 9, wherein: the surface of the upper pressure plate (520) is provided with a pressure plate lifting adjusting mechanism.

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