CN111482997A

CN111482997A - Planar mask surface body manufacturing equipment

Info

Publication number: CN111482997A
Application number: CN202010506148.8A
Authority: CN
Inventors: 余德泉
Original assignee: Hunan Industrial Control Band Network Technology Co ltd
Current assignee: Hunan Industrial Control Band Network Technology Co ltd
Priority date: 2020-06-05
Filing date: 2020-06-05
Publication date: 2020-08-04

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

Planar mask surface body manufacturing equipment

Technical Field

The invention relates to mask manufacturing mechanical equipment, in particular to planar mask surface body manufacturing equipment.

Background

The mask is worn at the mouth and nose part and can filter air entering the mouth and nose, so that harmful gas, smell and spray can be prevented from entering and exiting the mouth and nose of a wearer, and after novel coronavirus outbreaks, the mask becomes one of essential protective articles for daily life.

In the prior art, more advanced mask machines are mostly automatic production equipment, and the production speed of the mask can be improved. For example, the Chinese patent invention discloses a full-automatic mask production line (application number: CN2018104045156), which comprises a rack, a mask cloth edge sealing device, a mask surface folding device, a mask transverse sealing and cutting device and an ear band welding device; gauze mask cloth banding device includes cloth loading attachment, cloth hemmer, cloth butt fusion device, cloth drive mechanism and bridge of the nose strip loading attachment, through above-mentioned gauze mask production line, can realize the automated production of gauze mask. The utility model discloses a chinese utility model patent discloses a gauze mask production system (application number is CN2018218983222), it includes that feed mechanism, bridge of the nose strip loading attachment, first seal cut out device, folding device, second seal and cut out device, turning device, adjusting device and ear area welding set, through this gauze mask production line, realizes the automated production of gauze mask equally.

However, in the two full-automatic mask production lines, the slicing roller can only cut to form a plane mask body after rotating for one circle, so that the production capacity is low; when the nose bridge line is aligned with the mask fabric, the precision is low, and the yield of the processed plane mask body is low.

Disclosure of Invention

The invention aims to provide a manufacturing device of a plane mask surface body, which is used for improving the production efficiency of the plane mask surface body.

In order to achieve the above purpose, the device for manufacturing a planar mask body provided by the invention comprises 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 folding device, a short-edge welding device, a slicing device, a conveying device and a control device, the nose bridge line supply device and the fabric supply device are arranged on a first support, the fabric nose bridge strip combination device, the long edge welding device, the folding device, the short edge welding device and the slicing device are sequentially arranged on a second support along the fabric conveying direction, the fabric supply device conveys multiple layers of fabrics to the fabric nose bridge strip combining device, the nose bridge line supply device conveys nose bridge lines to the fabric nose bridge strip combining device, 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 cutting roller mounting side plates are symmetrically arranged along the conveying direction of the mask, the cutting rollers are fixedly mounted between the two cutting roller mounting side plates through a gap adjusting mechanism, and the matching rollers are fixedly mounted between the two cutting roller mounting side plates and are in up-and-down press fit with the cutting rollers; the shaft of the slicing roller and the shaft of the matching roller penetrate through all the roller mounting side plates and are fixedly sleeved with first gears which are meshed with each other, and the shaft of the slicing roller is also connected with the output end of the slicing power assembly; the both ends of a section roller diameter are all seted up flutedly along the axial of section roller, all install the butt fusion cutter in every recess, the knife face of butt fusion cutter stretches out the recess, and two butt fusion cutters equal with the length of gauze mask along the circumference length of section roller.

When the manufacturing equipment of the planar mask body provided by the invention is used, the fabric supply device conveys multiple layers of fabrics to the fabric nose bridge strip combining device, the nose bridge line supply device conveys nose bridge lines to the fabric nose bridge strip combining device, the fabric nose bridge strip combining device superposes the multiple layers of fabrics up and down, the nose bridge lines conveyed by the nose bridge line supply device are cut to form the nose bridge strips, the nose bridge strips are accurately superposed at preset positions of the multiple layers of fabrics, then the long edges are sealed through the long edge welding device, the mask face is folded and formed through the folding device, the short edges are sealed through the short edge welding device, and finally the mask body is cut into standard lengths through the slicing device.

According to the invention, the slicing roller is provided with two grooves, each groove is internally provided with the 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 two masks can be cut and formed every time the slicing roller rotates for one circle.

Preferably, the clearance adjusting mechanism comprises a hand wheel, an adjusting screw rod, a nut plate, a lifting bearing, a pressure spring and two bearing slide rails, wherein the two bearing slide rails are arranged oppositely, the two bearing slide rails and the nut plate are fixedly arranged on one side wall of the cutting roller mounting side plate and are connected to form an Jiong structure, the upper end of the adjusting screw rod is connected with the hand wheel, the lower end of the adjusting screw rod is fixedly connected with the lifting bearing matched with the bearing slide rails after being screwed through the nut plate, the pressure spring is sleeved on the adjusting screw rod and is clamped between the nut plate and the bearing, a shaft of the slicing roller is sleeved in the lifting bearing, when the clearance between the slicing roller and the matching roller is adjusted, the hand wheel is rotated to drive the adjusting screw rod to rotate, and then the lifting bearing is pushed to move upwards or downwards, so that the matching position between the lifting bearing and the bearing slide rails is changed, and further a, convenient operation and high precision.

Preferably, the conveying assembly comprises a conveying side plate, a conveying power assembly, a clamping assembly and a belt transmission assembly; the conveying side plates are symmetrically arranged, the clamping assembly and the belt transmission assembly are correspondingly arranged between the two conveying side plates from top to bottom, and the conveying power assembly is fixedly arranged on the side wall of one conveying side plate; the belt transmission assembly comprises a driving belt pulley, a driven belt pulley and a conveying belt in transmission fit with the driving belt pulley and the driven belt pulley, and a shaft of the driving belt pulley can rotatably penetrate through the conveying side plate and then is in driving connection with a power output end of the conveying power assembly; the clamping assembly comprises a clamping driving wheel, a clamping driven wheel and a plurality of clamping belts in transmission fit with the clamping driving wheel and the clamping driven wheel; the side end of centre gripping action wheel and driving pulley's side end friction running fit, the clearance between centre gripping area and the conveyer belt is located to centre gripping by the centre gripping driving pulley and increases after the driving wheel gradually, through increasing the centre gripping subassembly, can avoid the gauze mask body to break away from because of the quality is lighter and static and predetermine the orbit, realizes accurate, quick with gauze mask body input to next station installation hangers area.

Preferably, the fabric nose bridge strip combining device comprises a track leveling mechanism, a traction mechanism, a cutter group mechanism and an alignment fitting mechanism which are sequentially arranged from front to back along the conveying direction of the nose bridge strip; the track leveling mechanism comprises at least one wire passing roller and a wire passing roller which is pressed with the wire passing roller; the traction mechanism comprises an upper traction wheel and a lower traction wheel which are arranged in an up-down alignment manner, and the upper traction wheel and the lower traction wheel are mutually pressed and relatively rotate; the cutter group mechanism comprises a fixed side plate, a rotating assembly, a rotating arm, a cutter assembly and a guide assembly, the fixed side plate is vertically arranged at the rear part of the traction mechanism, the rotating assembly is arranged at the lateral upper part of the fixed side plate, the rotating arm is arranged on the outer wall of the rotating assembly, the cutter assembly is positioned below the rotating arm and is fixed on the fixed side plate, the guide assembly is arranged below the lateral front part of the cutter assembly, and the rotating assembly drives the rotating arm 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.

Preferably, the cutter assembly comprises a cutter connecting block, a cutting fixing seat, a connecting shaft, an inner cutter, a floating connecting block, an inner cutter catch, a cutter guiding groove, a lower cutter and an elastic mechanism, the cutter connecting block is fixedly arranged on the side wall of the fixed side plate, the cutting fixing seat is connected with the cutter connecting block through two horizontally parallel connecting shafts, the bottom of the cutting fixing seat is provided with a wire passing groove along the conveying direction of a bridge of the nose, the rear end face of the cutting fixing seat is provided with the inner cutter catch, the inner cutter catch and the rear end face of the cutting fixing seat form a cutter groove for the inner cutter to slide up and down, the upper end of the inner cutter extends out of the cutter groove and is provided with the floating connecting block, the rotating arm intermittently pushes the floating connecting block to move down along with the rotation of the rotating assembly, the elastic mechanism is arranged in the cutting fixing, the inner cutter is pushed upwards by the elastic mechanism to reset.

Preferably, the upper end of the floating connecting block is provided with an inclined surface, and the rotating arm and the mating end of the floating connecting block are provided with push bearings.

Preferably, the elastic mechanism comprises a rigid elastic rod, an adjusting groove is horizontally formed in the upper portion, located on the connecting shaft, of the cut-off fixing seat, one end of the rigid elastic rod is connected with the upper portion of the inner cutter, the other end of the rigid elastic rod is connected with the upper portion of the front end of the adjusting groove, and when the inner cutter is subjected to downward acting force of the rotating arm, the portion, close to the inner cutter, of the rigid elastic rod is abutted against the bottom of the rear end of the adjusting groove.

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

two lateral walls of holding down plate front end are equipped with preceding hem board respectively, preceding hem board is between 120 to 130 with the contained angle of holding down plate, two lateral walls of holding down plate rear end are equipped with the back hem board parallel with the holding down plate respectively, the contained angle of back hem board and holding down plate is between 0 to 5, the alignment guide way becomes the right trapezoid structure at the projection of holding down plate, and the notch width of alignment guide way is greater than the groove tail width of alignment guide way, the alignment guide way is installed under the back hem board.

Preferably, the front end part of the upper pressure plate is provided with a guide plate which forms an angle of 30-45 degrees with the lower pressure plate.

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

Drawings

In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below.

Fig. 1 is an overall schematic view of a planar mask body manufacturing apparatus according to an embodiment of the present invention.

FIG. 2 is a schematic view of the short side welding apparatus and the slicing apparatus of FIG. 1;

FIG. 3 is an exploded view of the slicing apparatus of FIG. 2;

FIG. 4 is a perspective view of the slicer roller of FIG. 3;

FIG. 5 is a perspective view of the delivery device of FIG. 1;

FIG. 6 is a partial schematic view of the delivery device of FIG. 5;

FIG. 7 is a perspective view of the nose bridge strip attachment means of the fabric of FIG. 1;

FIG. 8 is a partial schematic view of the fabric nose bridge strip attachment means of FIG. 7;

fig. 9 is a perspective view of the aligning and attaching mechanism in fig. 8.

In the drawings, the reference numbers are as follows:

a first support 1;

a second support 2;

a fabric supply device 3;

a nose bridge wire supply device 4;

a fabric nose bridge strip combining device 5; the wire guide device comprises a wire guide roller 501, a wire guide roller 502, an upper traction wheel 503, a lower traction wheel 504, a fixed side plate 505, a rotating arm 506, 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 guide groove 513, a lower cutter 514, a push bearing 515, an adjusting groove 518, an upper pressing plate 520, a lower pressing plate 521, a front folding plate 522, a rear folding plate 523 and a guide plate 524; a pressure plate lifting adjusting mechanism 525 and an alignment guide groove 526;

a long-side welding device 6;

a crimping device 7;

a short-side welding device 8;

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

a conveying device 10; a conveying side plate 1001, a driving pulley 1002, a driven pulley 1003, a conveying belt 1004, a clamping driving wheel 1005, a clamping driven wheel 1006, a clamping belt 1007 and a tensioning bearing 1008;

and a control device 11.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

As shown in fig. 1, the present embodiment provides a planar mask body manufacturing apparatus, 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 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 installed on the first support 1, the fabric nose bridge strip combining 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 installed on the second support 2 along a fabric conveying direction, the fabric supply device 3 conveys multiple layers of fabrics to the fabric nose bridge strip combining device 5, and the nose bridge line supply device 4 conveys nose bridge lines to the fabric nose bridge strip combining device 5.

In this embodiment, the preferred section bar frame of first support 1, the preferred rectangle cabinet body of 2 is supported to the second, and surface fabric feeding device 3 includes a plurality of surface fabric unwrapping wire rollers, and when producing disposable medical gauze mask, surface fabric unwrapping wire roller can be three, and the surface fabric unwrapping wire roller of top is non-woven fabrics unwrapping wire roller, and the surface fabric unwrapping wire roller at middle part is the melt-blown fabric unwrapping wire roller, and the surface fabric unwrapping wire roller of bottom is non-woven fabrics unwrapping wire roller. Of course, when the number of layers of the mask is changed, the number of the fabric pay-off rollers is changed accordingly. In this embodiment, the fabric supplying device 3 and the nose bridge line supplying device 4 are similar to the fabric feeding device and the nose bridge strip feeding device in CN2018206301218 of china, respectively, and therefore are not described herein again.

As shown in fig. 2 and 3, the slicing apparatus 9 includes a cutting roller mounting side plate 901, a slicing roller 902, a fitting roller 903, a gap adjusting mechanism, and a slicing power assembly;

the cutting roller mounting side plates 901 are two symmetrically arranged along the conveying direction of the mask, the slicing roller 902 is fixedly mounted between the two cutting roller mounting side plates 901 through a gap adjusting mechanism, and the matching roller 903 is fixedly mounted 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 the roller mounting side plates 901 and 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 the slicing power assembly.

In the present embodiment, the cutting roll mounting side plate 901 is long, and it is not limited to mounting the slicing roll 902 and the fitting roll 903, and it is also possible to mount a short-side fusion roll.

The epaxial first gear 904 of section roller 902 and the first gear 904 of cooperation roller 903 axle are located the outside portion of cutting the roller installation, and both intermeshing, and drive gear 905 has still been installed to section roller 902's axle, and drive gear 905 is connected with section power component's output end transmission, and section power component drive section roller 902 rotates, and section roller 902 rotates and drives the relative rotation of cooperation roller 903, and then realizes section roller 902 cutting separation gauze mask.

In this embodiment, a mounting box 912 is fixedly mounted on a side wall of one mounting side plate 901, and the mounting box 912 can be used for protecting the first gear 904.

As shown in fig. 4, grooves are formed in both ends of a diameter of the slicing roller 902 along an axial direction of the slicing roller 902, a welding cutter 902a is installed in each groove, a cutter face of the welding cutter 902a extends out of the groove, and 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-bevel blade, so that the slicing roller 902 can rotate in both forward and reverse directions to cut the mask body.

As shown in fig. 3, the gap adjusting mechanism includes a handwheel 906, an adjusting screw 907, a nut plate 908, a lifting bearing 909, a pressure spring 910 and two bearing slide rails 911, the two bearing slide rails 911 and the nut plate 908 are oppositely disposed, the two bearing slide rails 911 and the nut plate 908 are fixedly disposed on a side wall of the cutting roller mounting side plate 901 and connected to form an Jiong structure, the upper end of the adjusting screw 907 is connected with the handwheel 906, the lower end of the adjusting screw 907 is fixedly connected with the lifting bearing 909 which is matched with the bearing slide rail 911 after being screwed through the nut plate 908, the pressure spring 910 is sleeved on the adjusting screw 907 and is sandwiched between the nut plate 908 and the bearing, and the shaft of the slicing roller 902 is sleeved in the lifting bearing. The opposite inner side walls of the two bearing slide rails 911 are provided with slide grooves, the outer ring arm of the lifting bearing 909 is provided with a slide block part which is in close sliding fit with the slide grooves, and the slide block part is matched with the slide grooves, so that the stability during sliding is higher.

When the gap between the slicing roller 902 and the matching roller 903 is adjusted, the hand wheel 906 is rotated to drive the adjusting screw 907 to rotate to ascend or descend, and then the lifting bearing 909 is pushed to move upwards or downwards, so that the matching position of the lifting bearing 909 and the bearing slide rail 911 is changed, and further a reasonable gap between the slicing roller 902 and the matching roller 903 is obtained.

As shown in fig. 5, the conveying assembly includes a conveying side plate 1001, a conveying power assembly, a clamping assembly, and a belt conveying 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 component comprises a driving pulley 1002, a driven pulley 1003 and a conveying belt 1004 which is 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 component;

in this embodiment, the conveying side plate 1001 is vertically adjustable and provided with a tensioning bearing 1008, the tensioning bearing 1008 is in transmission fit with the conveying belt 1004, and the tightness degree of the conveying belt 1004 can be changed when the tensioning bearing 1008 is vertically adjusted.

As shown in fig. 6, the clamping assembly comprises a clamping driving wheel 1005, a clamping driven wheel 1006 and a clamping driving wheel 1005, a plurality of clamping belts 1007 are in transmission fit with the clamping driven wheel 1006, the side end of the clamping driving wheel 1005 is in friction rotation fit with the side end of the driving pulley 1002, the gap between the clamping belts 1007 and the conveying belt 1004 is gradually increased from the clamping driving wheel 1005 to the clamping driven wheel 1006, by adding the clamping assembly, the mask body can be prevented from being separated from a preset track due to light weight and static electricity, and accurate and rapid mask body input to the next station installation ear hanging belt is achieved.

In this embodiment, the clamping strip 1007 is three elastic bandages arranged in parallel, and the mask surface body is extruded by the elastic bandages, so that the mask surface body can be rapidly conveyed to the next station.

As shown in fig. 7, the fabric nose bridge strip combining device 5 comprises a track leveling mechanism, a traction mechanism, a cutter group mechanism and an alignment 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 mutually 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 pressed together and rotate relatively;

in the embodiment, the specific structure of the track leveling mechanism and the traction mechanism can refer to a full-automatic mask production line disclosed in the chinese patent application No. CN 2018104045156.

As shown in fig. 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 guiding assembly, the fixed side plate 505 is vertically arranged at the rear of the traction mechanism, the rotating assembly is installed at the upper side of the fixed side plate 505, the rotating arm 506 is arranged at 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 guiding assembly is arranged at the front lower side of the cutter assembly, and the rotating assembly drives the rotating arm 506 to intermittently push the cutter assembly to cut off the nose bridge strip guided to the lower side of the cutter assembly by the guiding 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.

As shown in fig. 8, the cutter assembly includes 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 catch 512, a cutter guide groove 513, a lower cutter 514 and an elastic mechanism, the cutter connecting block 507 is fixedly arranged on the side wall of the fixed side plate 505, the cutting fixing seat 508 is connected with the cutter connecting block 507 through two horizontally parallel connecting shafts 509, the bottom of the cutting fixing seat 508 is provided with a line passing groove along the conveying direction of the bridge of the nose line, the rear end face of the cutting fixing seat 508 is provided with the inner cutter catch 512, the inner cutter catch 512 and the rear end face of the cutting fixing seat 508 form a cutter groove for the inner cutter 510 to slide up and down, the upper cutter groove of the inner cutter 510 extends out and is provided with the floating connecting block 511, as the rotating assembly rotates, the rotating arm 506 intermittently pushes the floating, 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 floating connection block 511 has an inclined surface, and the mating end of rotating arm 506 and floating connection block 511 has a push bearing 515.

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 is pressed against the bottom of the rear end of the adjusting groove 518.

As shown in fig. 9, the alignment attaching mechanism includes 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 surface of the upper pressing plate 520 is coplanar with the rear end surface of the lower pressing plate 521 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 side walls at the front end of the lower pressing plate 521 are respectively provided with a front folding plate 522, an included angle between the front folding plate 522 and the lower pressing plate 521 is between 120 degrees and 130 degrees, two side walls at the rear end of the lower pressing plate 521 are respectively provided with a rear folding plate 523 parallel to the lower pressing plate 521, an included angle between the rear folding plate 523 and the lower pressing plate 521 is between 0 degree and 5 degrees, the alignment guide groove 526 forms a right-angled trapezoid structure in the projection of the upper pressing plate 520, the width of a notch of the alignment guide groove 526 is greater than the width of a groove tail of the alignment guide groove 526, the alignment guide groove 526 is installed right below the rear folding plate 523, and the front end of the upper pressing plate 520 is provided with a guide plate 524 which forms an angle of 30 degrees to 45 degrees with the lower pressing plate 521.

When the multilayer fabric is conveyed to the lower pressing plate 521, the edge of the fabric is obliquely lifted under the guide of the front folding plate 522, the back folding plate 523 is pressed to form a folded edge, and the aligning guide groove 526 is installed under the back folding plate 523 and is used for positioning the nose bridge strip output by the aligning guide groove 526 on the fabric just so as to realize the accurate combination of the nose bridge strip of the fabric.

As shown in fig. 9, a pressing plate lifting adjusting mechanism 525 is installed on the surface of the upper pressing plate 520, and the upper pressing plate 520 can be driven to lift by the pressing plate lifting adjusting mechanism 525, so as to adjust the distance between the upper pressing plate 520 and the lower pressing plate.

In this embodiment, the structure of the folding device 7 is the same as that of a middle folding member (application number: CN 20201022791) of a mask machine disclosed in the utility model of china.

In the present embodiment, the long-side fusion bonding apparatus 6 and the short-side fusion bonding apparatus 8 are identical in structure to those of the long-side fusion bonding apparatus and the short-side fusion bonding apparatus in the related art, respectively.

The planar mask surface body manufacturing equipment provided by the embodiment is characterized in that two grooves are formed in the slicing roller, a welding cutter is installed in each groove, 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 can cut two masks in each rotating circle, the cutting efficiency is improved compared with the cutting technology of traditional equipment, and the overall production efficiency is improved. In addition, by modifying the cutter assembly to include a rigid spring rod 516 as the resilient mechanism, the performance of the resilient mechanism may be improved, thereby contributing to the increased life of the cutter assembly.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer 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, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims

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.