CN213198829U

CN213198829U - Mask body forming equipment

Info

Publication number: CN213198829U
Application number: CN202021704899.2U
Authority: CN
Inventors: 陈添德; 刘路路
Original assignee: Shenzhen Yano Technology Co ltd
Current assignee: Shenzhen Yano Technology Co ltd
Priority date: 2020-08-13
Filing date: 2020-08-13
Publication date: 2021-05-14
Anticipated expiration: 2030-08-13

Abstract

The utility model discloses a gauze mask body former, it includes: the mask comprises a nose bridge strip feeding, shearing and embedding mechanism, a mask body incoming material folding mechanism and a mask single body edge sealing and forming mechanism, wherein the nose bridge strip feeding, shearing and embedding mechanism is used for feeding, cutting and embedding a nose bridge strip into a set layer of a mask body; the mask body incoming material folding mechanism is used for carrying out middle folding treatment on the mask body incoming material embedded with the nose bridge strip; the mask single body edge sealing forming mechanism is used for performing edge welding on a folded mask body and performing hobbing to form a mask single body. Compared with the prior art, the utility model discloses a gauze mask body former, it cuts embedding mechanism through bridge of the nose strip material loading, and gauze mask body supplied materials fifty percent discount mechanism and gauze mask monomer banding forming mechanism accomplish the production forming process of gauze mask body jointly, and degree of automation is high, has improved the quality of production efficiency and product.

Description

Mask body forming equipment

Technical Field

The utility model relates to a gauze mask machine technical field especially relates to a gauze mask body former.

Background

The mask is a common medical and civil protective article, and generally, the demand for the mask is low, but in the sudden public health event, the demand for the medical mask for preventing virus and bacteria is increased rapidly. Most of traditional gauze mask production lines adopt semi-automatization, and its production efficiency is low, and the quality is unstable, can't satisfy emergency's huge demand, especially the automated production of gauze mask body.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the not enough of prior art, provide a gauze mask body former, it has solved among the prior art gauze mask production line inefficiency, the unstable technical problem of quality.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a mask body forming apparatus, comprising: the mask comprises a nose bridge strip feeding, shearing and embedding mechanism, a mask body incoming material folding mechanism and a mask single body edge sealing and forming mechanism;

the nose bridge strip feeding, cutting and embedding mechanism is used for feeding, cutting and embedding a nose bridge strip into a set layer of the mask body;

the mask body incoming material folding mechanism is used for carrying out middle folding treatment on the mask body incoming material embedded with the nose bridge strip;

the mask single body edge sealing forming mechanism is used for performing edge welding on a folded mask body and performing hobbing to form a mask single body.

Wherein, embedding mechanism is cuted in nose bridge strip material loading includes: the device comprises a rack, a feeding assembly, a conveying assembly, an embedding assembly, a guide assembly, an ultrasonic welding assembly, a rolling cutting assembly and a traction assembly, wherein the feeding assembly, the conveying assembly and the embedding assembly are connected to the rack;

the feeding assembly is used for discharging the incoming material of the nose bridge strip to the conveying assembly according to the requirement;

the conveying assembly is used for conveying the incoming materials sent by the feeding assembly forwards and synchronously straightening;

the embedded assembly is used for shearing the nose bridge strip into a nose bridge strip monomer and embedding the nose bridge strip monomer into a corresponding interlayer of the mask body;

the guide assembly is used for guiding and conveying the mask body embedded with the nose bridge strip monomer;

the ultrasonic welding assembly is used for welding the mask body sent out by the guide assembly;

the rolling cutting assembly is used for rolling cutting a mounting hole for mounting a breather valve in the middle of the mask body;

the traction assembly is used for providing traction force for forward conveying of the welded mask body.

Wherein the delivery assembly comprises: the nose bridge structure comprises a mounting seat connected to a rack, a first pressing wheel set and a second pressing wheel set connected to the mounting seat, and a driving motor for synchronously driving the second pressing wheel set, wherein the first pressing wheel set and the second pressing wheel set are distributed in parallel, a groove is formed in a pressing wheel of the second pressing wheel set, and a nose bridge strip penetrates through the groove and is pressed by the first pressing wheel set so as to be conveyed forwards and be synchronously straightened; the mount pad includes: the mounting base is connected with the mounting block on the mounting base, the first pressing wheel set is rotatably connected with the mounting block, the second pressing wheel set is rotatably connected with the mounting base, and the mounting block is connected with the mounting base through a fastening bolt so as to expand the distance between the first pressing wheel set and the second pressing wheel set to penetrate into the nose bridge strip by loosening the bolt.

Wherein the embedded component comprises: the nose bridge piece pushing device comprises a cutting device for cutting a nose bridge piece into nose bridge piece monomers according to a set length, and a material pushing device for pushing the nose bridge piece monomers into a set interlayer of the mask body; the shearing apparatus includes: the nose bridge piece conveying device comprises a connecting seat, a driving piece and a conveying assembly, wherein the connecting seat is provided with a through hole for a nose bridge piece to pass through, a push plate groove vertically arranged in the through hole, and the driving piece is connected to the connecting seat and drives a cutter; the pushing device comprises: the device comprises a motor fixed on a rack, a turntable connected to an output shaft of the motor, a transmission arm hinged on the turntable, a sliding rail connected to the end part of the transmission arm, and a push plate connected to the end part of the sliding rail, wherein the sliding rail is arranged on a sliding block supported on the rack in a sliding manner; when the motor rotates, the rotating disc is driven to rotate, the rotating disc periodically drives the transmission arm, the transmission arm periodically slides back and forth along the sliding block in the horizontal direction along with the transmission arm, so that the push plate is driven to periodically stretch into the push plate groove or withdraw from the push plate groove, and the nose bridge strip monomer is pushed to a set interlayer of the mask body.

Wherein the ultrasonic welding assembly comprises: compression roller device and ultrasonic bonding device, the compression roller device includes: the pair of first left supporting arm and the first right supporting arm are oppositely arranged, a first mounting groove is formed in each of the first left supporting arm and the first right supporting arm, a first adjusting mechanism and a second adjusting mechanism are respectively arranged on the first left supporting arm and the first right supporting arm, a press roller is rotatably connected between the first adjusting mechanism and the second adjusting mechanism, and press teeth are arranged on the surface of the press roller; the first adjusting mechanism and the second adjusting mechanism are the same and respectively comprise a first guide block capable of sliding along the side wall of the first mounting groove, a first screw rod connected to the first guide block and a first elastic piece supported at the bottom of the first guide block, the first elastic piece is arranged on the bottom wall of the first mounting groove, the middle of the first screw rod is in threaded connection with the groove wall of the first mounting groove, the longitudinal position of the compression roller is adjusted by adjusting the first screw rod, the ultrasonic welding head of the ultrasonic welding device is located below the compression roller, the mask body penetrates through the space between the ultrasonic welding head and the compression roller, and the compression teeth on the surface of the compression roller are used for carrying out fusion welding on the mask body.

Wherein, gauze mask body comes material fifty percent discount mechanism includes: the folding component and the traction component are connected to the rack; wherein the content of the first and second substances,

the folding component is used for folding the mask body material consisting of multiple layers of stacked cotton cloth and melt-blown cloth in the middle once;

the traction assembly is used for providing traction power for the forward movement of the supplied materials of the mask body so as to complete the folding action of the supplied materials on the folding assembly.

Wherein, fifty percent discount subassembly includes: the device comprises a longitudinal bracket, a transverse movement adjusting device connected to the longitudinal bracket, a pair of folded plates connected to the transverse movement adjusting device, and an angle adjusting device connected to the longitudinal bracket, wherein the angle adjusting device is positioned below the pair of folded plates; the angle adjusting device is adjusted so that the folding plate rotates along the transverse moving adjusting device to change the longitudinal angle of the folding plate, and the transverse moving adjusting device is adjusted to synchronously drive the folding plate to transversely move in the horizontal direction so as to change the transverse position of the folding plate.

Wherein the traverse adjusting device includes: the mask comprises a rotating shaft and a hand wheel, wherein the rotating shaft is connected to the longitudinal support in a threaded mode, the hand wheel is connected to one end of the rotating shaft, and the hand wheel is operated to drive the rotating shaft to rotate, so that the transverse position of a folded plate is changed to adjust the folding position of the mask body; the angle adjusting device includes: the middle part of the screw rod is provided with a baffle plate and a screw cap screwed on the screw rod, the screw rod penetrates through a mounting hole on the longitudinal support, the screw cap and the baffle plate are respectively positioned at the bottom and the top of the mounting hole, and the other end of the screw rod abuts against the folded plate; the nut is adjusted to change the longitudinal angle to the flap.

Wherein, gauze mask monomer banding forming mechanism includes: the rolling cutting machine comprises a rack, a first traction assembly, a first tensioning assembly, a welding assembly, a second traction assembly, a second tensioning assembly and a rolling cutting assembly, wherein the first traction assembly, the first tensioning assembly, the welding assembly, the second traction assembly, the second tensioning assembly and the rolling cutting assembly are sequentially connected to the rack in a front-back mode; wherein the content of the first and second substances,

the first traction assembly and the second traction assembly are used for providing forward movement power for incoming materials of the mask body;

the first tensioning assembly and the second tensioning assembly are used for tensioning and adjusting supplied materials of the mask body during welding and hobbing actions;

the welding assembly is used for carrying out ultrasonic welding on the folded mask body incoming material;

the roll-cutting assembly is used for roll-cutting incoming materials of the mask body into mask monomers.

Wherein, still be equipped with a ejection of compact subassembly in the frame, ejection of compact subassembly includes: the front rotating shaft and the rear rotating shaft are connected between the front side plate and the rear side plate, a conveying belt is arranged between the front rotating shaft and the rear rotating shaft, and at least one rolling shaft is connected between the front side plate and the rear side plate and is positioned above the conveying belt; still be equipped with an edge-trim traction assembly in the frame, edge-trim traction assembly includes: the connecting seat is located the guide bar at connecting seat top is equipped with the perforation that is used for wearing to establish the rim charge on the guide bar to and rotate first carry over pinch rolls and the second carry over pinch rolls of connecting two parallel arrangement on the connecting seat, wherein, first carry over pinch rolls rotates to be connected in the connecting seat, and the second carry over pinch rolls is connected in the connecting seat through two sets of adjustment mechanism.

Compared with the prior art, the utility model discloses a gauze mask body former, it cuts embedding mechanism through bridge of the nose strip material loading, and gauze mask body supplied materials fifty percent discount mechanism and gauze mask monomer banding forming mechanism accomplish the production forming process of gauze mask body jointly, and degree of automation is high, has improved the quality of production efficiency and product.

The foregoing is a summary of the present invention, and other objects, features and advantages of the present invention will be apparent from the following detailed description of the preferred embodiments, which is provided for the purpose of illustration and understanding of the present invention.

Drawings

Fig. 1 is the utility model discloses a partial overall structure schematic diagram of embedding mechanism is cuted in bridge of the nose strip material loading of gauze mask body former.

FIG. 2 is a schematic view of a part of the structure of a feeding assembly of a nose bridge strip feeding, shearing and embedding mechanism.

FIG. 3 is a schematic view of a portion of the structure of the conveying assembly of the nose bridge strip loading, cutting and embedding mechanism.

FIG. 4 is a schematic view of a portion of an insert assembly of the nose bridge strip loading shear insert mechanism.

FIG. 5 is a schematic view of a guide assembly of the nose bridge strip loading, cutting and embedding mechanism.

FIG. 6 is a schematic view of a part of the structure of a compression roller device of an ultrasonic welding assembly of a nose bridge strip feeding, shearing and embedding mechanism.

FIG. 7 is a schematic view of a portion of an ultrasonic welding device of an ultrasonic welding assembly of a nose bridge strip loading shear embedment mechanism.

FIG. 8 is a schematic view of a partial structure of the roll cutting assembly of the nose bridge strip loading, cutting and embedding mechanism.

FIG. 9 is a schematic view of a portion of the pulling assembly of the nose bridge strip loading shear-embedding mechanism.

Fig. 10 is a schematic view of the whole structure of the mask body material-feeding and folding mechanism of the mask body forming device of the present invention.

Fig. 11 is a schematic structural view of a part of a folding assembly of a mask body incoming material folding mechanism.

Fig. 12 is a schematic view of a part of the structure of the traction assembly of the mask body incoming material folding mechanism.

Fig. 13 is the utility model discloses a partial overall structure schematic diagram of gauze mask monomer banding forming mechanism of gauze mask body former.

Fig. 14 is a schematic structural view of a portion of a first pulling assembly of a mask single-body edge banding mechanism.

Fig. 15 is a schematic structural view of a first tensioning assembly of a mask single edge sealing and forming mechanism.

Fig. 16 is a schematic structural diagram of a part of a discharging assembly of a mask single edge sealing and forming mechanism.

Fig. 17 is a schematic structural view of a rim charge drawing assembly of the mask single-body rim forming mechanism.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and the following detailed description.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

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

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

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

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning 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 should not be understood to necessarily 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 described in this specification can be combined and combined by one skilled in the art.

Referring to fig. 1 to 17, the present embodiment provides a mask body forming apparatus, which includes: a nose bridge strip feeding, shearing and embedding mechanism 100, a mask body incoming material folding mechanism 200 and a mask single body edge sealing and forming mechanism 300;

the nose bridge strip feeding, cutting and embedding mechanism 100 is used for feeding, cutting and embedding a nose bridge strip into a set layer of the mask body;

the mask body incoming material folding mechanism 200 is used for carrying out middle folding treatment on the mask body incoming material embedded with the nose bridge strip once;

the mask single body edge sealing and forming mechanism 300 is used for performing edge welding and roll cutting on the folded mask body to form a mask single body.

Referring to fig. 1 to 9, in the embodiment, a mask body forming apparatus 100 is provided, which includes: the device comprises a frame 11, a feeding assembly 12, a conveying assembly 13 and an embedding assembly 14 which are connected to the frame 11, and a guide assembly 15, an ultrasonic welding assembly 16, a hobbing assembly 17 and a traction assembly 18 which are arranged behind the conveying assembly 14 and are arranged on the frame 11, wherein the guide assembly 15, the ultrasonic welding assembly 16, the hobbing assembly 17 and the traction assembly 18 are arranged in sequence from front to back;

the feeding assembly 12 is used for feeding the incoming material of the nose bridge strip to the conveying assembly 13 according to the requirement;

the conveying assembly 13 is used for conveying the incoming material sent by the feeding assembly 12 forwards and synchronously straightening;

the embedded assembly 14 is used for shearing the nose bridge strip into a nose bridge strip monomer and embedding the nose bridge strip monomer into a corresponding interlayer of the mask body;

the guide assembly 15 is used for guiding and conveying the mask body embedded with the nose bridge strip monomer;

the ultrasonic welding assembly 16 is used for welding the mask body sent out by the guide assembly;

the hobbing assembly 17 is used for hobbing the middle part of the mask body to form a mounting hole for mounting a breather valve;

the traction assembly 18 is used for providing traction force for the forward conveying of the mask body after welding.

Referring again to fig. 2, the loading assembly 12 includes: the nose bridge module comprises a connecting arm 121 with one end connected to the frame 11, a rotating shaft 122 connected to the connecting arm 121, and a wire spool 123 connected to the rotating shaft 122, wherein a nose bridge strip material is wound on the wire spool 123.

Referring again to fig. 3, the conveying assembly 13 includes: a mounting base connected to the frame 11, a first pressing wheel set 133 and a second pressing wheel set (not shown) connected to the mounting base, and a driving motor 136 for synchronously driving the second pressing wheel set. The first pressing wheel set 133 and the second pressing wheel set are distributed in parallel, a groove is formed in the pressing wheel of the second pressing wheel set, the nose bridge strip penetrates through the groove and is pressed tightly by the first pressing wheel set 133, so that the nose bridge strip is conveyed forwards and is straightened synchronously.

Wherein, the mount pad includes: the mounting base 131 is connected to the mounting block 132 on the mounting base 131, the first pressing wheel set 133 is rotatably connected to the mounting block 132, the second pressing wheel set is rotatably connected to the mounting base 131, the mounting block 132 is connected to the mounting base 131 through a fastening bolt 138, so that the bolt 138 is loosened to expand the distance between the first pressing wheel set 133 and the second pressing wheel set to penetrate into the nose bridge. The rotating shaft of the second pressing wheel group is also connected with a gear 137, and the gear 137 is meshed with the driving motor 136. The mounting base 131 is further connected with a connecting plate 134, and the connecting plate 134 is provided with a plurality of guide wheels 135 for guiding the nose bridge to be conveyed to the first pressing wheel set 133 and the second pressing wheel set.

Referring again to fig. 4, embedded component 14 includes: the nose bridge module comprises a shearing device 1401 for shearing the nose bridge strip into a single nose bridge strip according to a set length, and a material pushing device 1402 for pushing the single nose bridge strip into a set interlayer of the mask body.

Wherein the shearing apparatus 1401 comprises: the nose bridge module comprises a connecting seat 149, wherein a through hole 1491 for the nose bridge strip to pass through is formed in the connecting seat 149, a push plate groove 1492 perpendicular to the through hole 1491 is formed in the push plate groove, and a driving piece 140 is connected to the connecting seat 149, the driving piece 140 drives a cutter (not shown in the figure), and when the nose bridge strip is transferred to a set length by a conveying component 13, the driving piece 140 drives the cutter to descend to cut the nose bridge strip into a nose bridge strip single body. In this embodiment, the driving member 140 may be a driving cylinder or a driving motor. The connecting seat 149 may be an integral structure, or may be assembled by upper and lower plates.

The pushing device 1402 includes: the push plate mechanism comprises a motor 142 fixed on the frame 11, a rotary disc 144 connected to an output shaft of the motor 142, a driving arm 145 hinged to the rotary disc 144, a slide rail 147 connected to an end of the driving arm 145, and a push plate 148 connected to an end of the slide rail 147, wherein the push plate 148 corresponds to a push plate groove 1492. Wherein the slide rail 147 is slidably mounted on a slide block 146 supported on the frame 11; when the motor 142 rotates, the rotating disc 144 is driven to rotate, the rotating disc 144 periodically drives the driving arm 145, and the driving arm 145 periodically slides back and forth along the sliding block 146 in the horizontal direction, so as to drive the push plate 148 to periodically extend into the push plate groove 1492 or withdraw from the push plate groove 1492, thereby pushing the nose bridge strip monomer into a set interlayer of the mask body. A planetary reducer 143 is further disposed between the turntable 144 and the motor 142, and the planetary reducer 143 is supported by the supporting seat 141 and connected to the frame 11.

Referring again to fig. 5, the guiding element 15 includes: the left support arm 151, with the right support arm 152 that the left support arm 151 set up relatively, rotate lower guide roll 155 and the last guide roll 156 of connecting between shown left support arm 151 and right support arm 152, the both ends of going up guide roll 156 are connected in left support arm 151 and right support arm 152 through a

screw rod

153 and 154 respectively, are equipped with an elliptical hole 1511 on left support arm 151 and the right support arm 152 respectively, adjusting

screw

153 and 154 to change the interval between upper guide roll 156 and the lower guide roll 155, so that will melt blown cloth and cotton fold together and pass between the two when initial.

Referring again to fig. 6 and 7, the ultrasonic welding assembly 16 includes: a press roller apparatus 1601 and an ultrasonic welding apparatus 1602, the press roller apparatus 1601 including: a pair of first left support arm 161 and a first right support arm 162 which are oppositely arranged, wherein a first mounting groove 1610 is arranged on each of the first left support arm 161 and the first right support arm 162, a first adjusting mechanism 164 and a second adjusting mechanism 168 are respectively arranged on the first left support arm 161 and the first right support arm 162, a press roller 165 is rotatably connected between the first adjusting mechanism 164 and the second adjusting mechanism 168, and press teeth are arranged on the surface of the press roller 165; the first adjusting mechanism 164 is the same as the second adjusting mechanism 168, and for example, the first adjusting mechanism includes a first guide block 1641 slidable along a sidewall of the first mounting groove 1610, a first screw 1643 connected to the first guide block 1641, and a first elastic member 1642 supported at a bottom of the first guide block 1641, the first elastic member 1642 is disposed at a bottom wall of the first mounting groove 1610, a middle portion of the first screw 1643 is screwed to a wall of the first mounting groove 1610, a longitudinal position of the pressure roller 165 is adjusted by adjusting the first screw 1643, the ultrasonic welding head 160 of the ultrasonic welding device 1602 is located below the pressure roller, the mask body passes through a space between the ultrasonic welding head 160 and the pressure roller 165, and the mask body is welded by the pressure teeth on the surface of the pressure roller 165. The ultrasonic bonding head 160 is connected to a connecting base 166, and a plurality of heat dissipation fans 169 are disposed on one side of the ultrasonic bonding head 160. Further, the bottom of the first left support arm 161 and the bottom of the first right support arm 162 are connected through a bottom plate, and the top of the first left support arm 161 and the top of the first right support arm 162 are connected and fixed through a connecting rod 163. One end of the pressing roller 165 is further connected with a gear 167, and is connected with an external driving device through a rack connected to the gear 167.

Referring again to fig. 8, the rolling-cut assembly 17 includes: two second left branch brace 171 and the second right branch brace 172 that set up relatively, connect in cylinder 173 between second left branch brace 171 and the second right branch brace 172, respectively be equipped with a second mounting groove 1710 on second left branch brace 171 and the second right branch brace 172, still respectively be equipped with third adjustment mechanism 174 and fourth adjustment mechanism 175 on second left branch brace 171 and the second right branch brace 172, it is connected with a hobbing cutter 176 to rotate between third adjustment mechanism 174 and the fourth adjustment mechanism 175, and the middle part of hobbing cutter 176 is equipped with a hobbing cutter mouth to cut a round hole in order to be used for connecting the breather valve with the middle part of gauze mask body. Third adjustment mechanism 174 is the same with fourth adjustment mechanism 175 structure, to take third adjustment mechanism 174 as an example, include and follow second guide block 1741 that the lateral wall of second mounting groove 1710 glides, connect in second guide block 1741's second screw rod 1743, and support in the second elastic component 1742 of second guide block 1741's bottom, second elastic component 1742 is located the diapire of second mounting groove 1710, second screw rod 1743 middle part spiro union is in the cell wall of second mounting groove 1710, thereby adjusts the clearance between hobbing cutter 176 and the drum 173 through adjusting second screw rod 1743. One end of the roller 173 is further connected to a gear 178, and the top of the second left supporting arm 171 and the top of the second right supporting arm 172 are fixedly connected by a connecting rod 177.

Referring again to fig. 9, the pulling assembly 18 includes: the device comprises a third left supporting arm 181 and a third right supporting arm 182 which are arranged oppositely, wherein a third mounting groove 1810 is respectively arranged on each of the third left supporting arm 181 and the third right supporting arm 182, a first traction roller 184 is rotatably connected between each of the third left supporting arm 181 and the third right supporting arm 182, a fifth adjusting mechanism 185 and a sixth adjusting mechanism 186 are respectively arranged in each of the third mounting grooves 1810, and a second traction roller 189 is rotatably connected between each of the fifth adjusting mechanism 185 and the sixth adjusting mechanism 186; the fifth adjustment mechanism 185 and the sixth adjustment mechanism 186 have the same structure, and each of them includes a third guide block 1851 slidable along the side wall of the third mounting groove 1810, a third screw 1853 connected to the third guide block 1851, and a third elastic member 1852 supported at the bottom of the third guide block 1851, the third elastic member 1852 is disposed at the bottom wall of the third mounting groove 1810, the middle portion of the third screw 1853 is screwed to the wall of the third mounting groove 1810, and the distance between the first traction roller 184 and the second traction roller 189 is adjusted by adjusting the third screw 1853. The bottom of the third left supporting arm 181 and the bottom of the third right supporting arm 182 are fixedly connected through a bottom plate 183, the top of the third left supporting arm is fixedly connected through a connecting rod 188, and one end of the first traction roller 184 is further connected with a gear 187 for being connected with an external power driving mechanism chain for rotation.

Referring to fig. 10 to 12, in the embodiment, the mask body material folding mechanism 200 includes: a frame 21, a doubling component 22 and a traction component 23 which are connected on the frame 21; wherein the content of the first and second substances,

the folding component 22 is used for folding the mask body material consisting of a plurality of layers of stacked cotton cloth and melt-blown cloth in half at the middle part of the mask body material; the mask body material is a strip-shaped material formed by sequentially stacking melt-blown cloth and cotton cloth with different layers according to different standards of common medical use or N95 and the like. The folding assembly 22 folds the strip-shaped mask body from the middle in sequence.

The traction assembly 23 is used for providing traction power for the forward movement of the supplied materials of the mask body so as to complete the folding action of the supplied materials on the folding assembly. When the mask body is folded in half, the supplied materials of the mask body need larger traction power, so that the traction assembly 23 provides forward movement power for the mask body.

Referring again to fig. 11, the folio component 22 includes: a longitudinal support 221, a traverse adjustment device 227 attached to said longitudinal support 221, a pair of flaps 226 attached to said traverse adjustment device 224, an angle adjustment device 225 attached to said longitudinal support 221, said angle adjustment device 225 being located below said pair of flaps 226; the angle adjustment device 225 is adjusted so that the pair of flaps 226 are rotated along the traverse adjustment device 224 to change the longitudinal angle of the pair of flaps 226, and the traverse adjustment device 224 is adjusted to simultaneously move the pair of flaps 226 in the horizontal direction in the lateral direction to change the lateral position of the pair of flaps 226. Specifically, in this embodiment, the pair of flaps 226 are regular triangular plates, the bottom edges of the triangular plates are hinged to the traverse adjusting device 224, and the top corners of the triangular plates are supported by the angle adjusting device 225.

Wherein the traverse adjusting device 224 includes: the screw joint is in pivot 2241 on vertical support 221 to and connect in the hand wheel 2242 of pivot 2241 one end, the operation the hand wheel 2242 drives pivot 2241 and rotates to the change is to the horizontal position of folded plate 226 with the fifty percent discount position of adjusting the gauze mask body and coming the material.

Further, the angle adjusting device 225 includes: a screw 2252, a baffle 2253 is disposed in the middle of the screw 2252, and a nut 2254 screwed to the screw 2252, the screw 2252 passes through the mounting hole of the longitudinal bracket 221, the nut 2254 and the baffle 2253 are respectively located at the bottom and the top of the mounting hole, and the other end of the screw 2252 abuts against the pair of folding plates 226; adjusting nut 2254 thereby changes the longitudinal angle to flap 226. A roller 2251 is further connected to the front end of the screw 2252, and the roller 2251 is directly supported on the bottom of the folding plate 226.

Wherein, a tension roller device 227 is further disposed on the longitudinal support 221 above the traverse adjusting device 224, and the tension roller device 227 comprises: set up two connecting seats 2271 on longitudinal support 221 relatively, all be equipped with a spiro union pole 2273 on the connecting seat 2271, two still be equipped with a cylinder 2272 between the connecting seat 2271, the both ends of cylinder 2272 connect respectively in spiro union pole 2273 is equipped with connecting hole 22711 on the connecting seat 2271, and the both ends of cylinder 2272 can remove along connecting hole 22711. The screw rod 2273 is adjusted to synchronously drive the roller 2272 so as to change the tensioning force of the roller 2272. Specifically, by adjusting the screw rod 2273, the position of the roller 2272 in the horizontal direction can be changed, and the incoming material entering the mask body before the flap 226 needs to be tensioned by the tensioning roller device 227.

Wherein, a transverse bracket 222 is further connected to the longitudinal bracket 221, an auxiliary roller 228 is connected to the transverse bracket 222, the auxiliary roller 228 is located above the opposite folding plate 226, and another longitudinal supporting arm 223 is further connected to an end of the transverse bracket 222, and the longitudinal supporting arm 223 is fixedly connected to the machine frame 21.

Referring again to fig. 12, the pulling assembly 23 includes: the left support arm 231 and the right support arm 232 are oppositely arranged, a first traction roller 234 is rotatably connected between the left support arm 231 and the right support arm 232, a mounting hole 2321 is formed in each of the left support arm 231 and the right support arm 232 (only the structure on the right support arm 232 is taken as an example for illustration), an adjusting device 236 is arranged in each mounting hole 2231, and similarly, an adjusting device 235 is also arranged on the left support arm 231. The second traction roller 233 is connected between the adjusting devices 235, the mask body material passes through the gap between the first traction roller 234 and the second traction roller 233 and is drawn by friction, and the gap between the first traction roller 234 and the second traction roller 233 can be changed by adjusting the adjusting devices 235.

Specifically, taking the adjusting device 235 on the left supporting arm 231 as an example, the adjusting device 235 includes: the sliding block 2351 capable of sliding along the mounting hole 2321 comprises a first elastic piece 2352 with one end abutting against the bottom wall of the mounting hole 2321 and the other end abutting against the sliding block 2351, and an adjusting screw 2354 screwed on the hole wall of the mounting hole 2321, wherein the lower end of the adjusting screw 2354 is connected to the sliding block 2351, the sliding block 2351 is rotatably connected with the second traction roller 233, and the adjusting screw 2354 is rotated so that the second traction roller 233 is close to or far away from the first traction roller 234.

Further, a second elastic member 2353 is further arranged on the adjusting screw 2354 in a penetrating manner, the upper end of the second elastic member 2353 abuts against the adjusting screw 2354, and the lower end abuts against the sliding block 2351, so that the elastic flexibility of the second traction roller 233 is improved. Specifically, the first elastic member 2352 and the second elastic member 2353 are both springs.

Wherein, the first traction roller 234 and the second traction roller 233 are provided with

gears

237 and 238 engaged with each other at one end of their rotating shafts, and a sprocket 230 is further provided on the rotating shaft of the first traction roller 234 or the second traction roller 233, and the sprocket 230 is driven to synchronously drive the

gears

237 and 238 engaged with each other, so as to synchronously drive the first traction roller 234 and the second traction roller 233 to rotate. The rotating shaft of the connecting chain wheel 230 is connected to a rotating shaft seat 239, and the rotating shaft seat 239 is fixedly connected to the frame 21.

Referring to fig. 13 to 17, in the embodiment, a mask single-body edge sealing and forming mechanism is provided, which includes: the machine frame 31 is sequentially connected with a first traction assembly 32, a first tensioning assembly 33, a welding assembly 34, a second traction assembly 35, a second tensioning assembly 36 and a rolling cutting assembly 37 on the machine frame 31 in sequence; wherein the content of the first and second substances,

the first traction assembly 32 and the second traction assembly 35 are used for providing forward movement power for the incoming material of the mask body;

the first tensioning assembly 33 and the second tensioning assembly 36 are used for tensioning and adjusting supplied materials of the mask body during welding and hobbing actions;

the welding assembly 34 is used for performing ultrasonic welding on the folded mask body incoming material;

the hobbing assembly 37 is used for hobbing incoming materials of the mask body into mask monomers.

Specifically, referring to fig. 14 again, the first pulling element 32 and the second pulling element 35 have the same structure, and taking the first pulling element 32 as an example, the first pulling element includes: the left support arm 321 and the right support arm 322 which are arranged oppositely are rotatably connected with the lower traction roller 323 between the left support arm 321 and the right support arm 322, wherein the left support arm 321 and the right support arm 322 are respectively provided with a mounting groove 3211 (the mounting groove on the right support arm is omitted in reference numerals), an adjusting device 324 is arranged in the mounting groove 3211, similarly, an adjusting device 325 is arranged on the right support arm 322, an upper traction roller 327 is rotatably connected between the adjusting device 324 and the adjusting device 325, the upper traction roller 327 and the lower traction roller 323 are distributed side by side up and down, and the adjusting

devices

324 and 325 can change the distance between the upper traction roller 327 and the lower traction roller 323 by adjusting the adjusting

devices

324 and 325.

Wherein the adjusting device 324 comprises: the sliding block 3241 can slide along the mounting groove 3211, the upper pulling roll 327 is connected to the sliding block 3241, one end of the sliding block is abutted against the bottom wall of the mounting groove 3211, the other end of the sliding block is abutted against a first elastic element 3242 on the sliding block 3241, and a screw 3243 is arranged in the mounting groove 3211 in a penetrating manner, the lower end of the screw is connected to the sliding block 3241, and the screw 3243 is rotated, so that the distance between the upper pulling roll 327 and the lower pulling roll 323 can be adjusted.

Further, a second elastic member 3244 is further sleeved on the screw rod 3243, one end of the second elastic member 3244 abuts against the screw rod 3243, and the other end abuts against the sliding block 3241. Together with the first elastic member 3242, the stretchability of the adjusting means is improved. The mask body material after being folded in half passes through a nip between the upper drawing roller 327 and the lower drawing roller 323, and is transferred forward by friction.

In this embodiment, the first elastic member 3242 and the second elastic member 3244 are both springs.

One end of each of the upper drawing roll 327 and the lower drawing roll 323 is further provided with a gear 326, the gears 326 are meshed with each other, and a chain wheel is further connected to a rotating shaft of each of the upper drawing roll 327 and the lower drawing roll 323 and is used for connecting a chain to transmit with an external motor.

The welding assembly 34 includes: the device comprises a pressing roller and an ultrasonic welding head positioned below the pressing roller, wherein the surface of the pressing roller is provided with pressing teeth.

The hobbing assembly 37 comprises: the hob cutter is located on a rotating shaft below the hob cutter, and gears meshed with each other are arranged at the end parts of the hob cutter and the rolling shaft on the same side. The surface of the hob is provided with a corresponding hob edge.

Referring again to fig. 15, the first and

second tensioning assemblies

33 and 36 are identical in structure and each include: the tensioning device comprises a first supporting arm 331 and a second supporting arm 332 which are arranged oppositely, wherein the first supporting arm 331 and the second supporting arm 332 are respectively provided with a strip-shaped hole 3311 and a strip-shaped hole 3321, the tops of the strip-shaped

holes

3311 and 3321 are provided with threaded

rods

335 and 336 in a penetrating manner, the lower ends of the threaded

rods

335 and 336 are connected with a roller 334, and the threaded

rods

335 and 336 are rotated to change the vertical height of the roller 334 so as to adjust the tensioning force.

Referring to fig. 16 again, the frame 31 is further provided with a discharging assembly 38, and the discharging assembly 38 includes: the mask conveying device comprises a front side plate 381 and a rear side plate 382 which are arranged oppositely, a front rotating shaft 383 and a rear rotating shaft 384 which are connected between the front side plate 381 and the rear side plate 382, a conveying belt 385 arranged between the front rotating shaft 383 and the rear rotating shaft 384, and at least one rolling shaft 386 connected between the front side plate 381 and the rear side plate 382, wherein the rolling shaft 386 is positioned above the conveying belt and used for assisting in conveying rolled mask monomers and outputting and blanking the mask monomers.

Referring to fig. 17 again, the frame 31 is further provided with an edge-trim dragging assembly 39, and the edge-trim dragging assembly 39 includes: the connecting seat 391, locate the guide bar 392 at the top of said connecting seat 391, there are

perforation

3921 and 3922 used for perforating the rim charge on the guide bar 392, because there are two rim charges, cross perforation 3921 and perforation 3922 separately, and rotate the first pull roll 393 and the second pull roll 394 that two parallel arrangements that link to the connecting seat 391. The first pulling roll 393 is rotatably connected to the connecting base 391, and the second pulling roll 394 is connected to the connecting base 391 through two sets of adjusting mechanisms.

Specifically, the adjustment mechanism includes: a sliding block 397 capable of sliding along the connecting seat 391, the sliding block 397 is connected with the second traction roller 394, a first spring 395 with one end abutting against the sliding block 397, and a threaded rod 396 penetrating through the connecting seat 391 and connected with the sliding block 397 at the lower end, and the threaded rod 396 is rotated so as to adjust the distance between the first traction roller 393 and the second traction roller 394.

The mask monomer banding forming mechanism of this embodiment mainly comes the material to the mask body after the fifty percent discount and draws, ultrasonic bonding to and the hobbing process.

Compared with the prior art, a gauze mask body former of this embodiment, it is through connecting material loading subassembly, conveying component, the embedding subassembly in the frame, and be located direction subassembly, ultrasonic welding subassembly, the roll cutting subassembly in the frame at conveying component rear accomplish the material loading of the bridge of the nose strip of gauze mask, cut and embedding and butt fusion technology jointly with the subassembly of pulling, and degree of automation is high, has improved the stability of production efficiency and product.

The technical content of the present invention is further described by the embodiments only, so that the reader can understand it more easily, but the embodiments of the present invention are not limited thereto, and any technical extension or re-creation according to the present invention is protected by the present invention. The protection scope of the present invention is subject to the claims.

Claims

1. A mask body forming apparatus, comprising: the mask comprises a nose bridge strip feeding, shearing and embedding mechanism, a mask body incoming material folding mechanism and a mask single body edge sealing and forming mechanism;

2. The mask body forming apparatus according to claim 1, wherein the nose bridge strip feeding, shearing and embedding mechanism comprises: the device comprises a rack, a feeding assembly, a conveying assembly, an embedding assembly, a guide assembly, an ultrasonic welding assembly, a rolling cutting assembly and a traction assembly, wherein the feeding assembly, the conveying assembly and the embedding assembly are connected to the rack; the guide assembly, the ultrasonic welding assembly, the rolling cutting assembly and the traction assembly are sequentially arranged in a front-back mode;

3. The mask body forming apparatus of claim 2, wherein the delivery assembly comprises: the nose bridge structure comprises a mounting seat connected to a rack, a first pressing wheel set and a second pressing wheel set connected to the mounting seat, and a driving motor for synchronously driving the second pressing wheel set, wherein the first pressing wheel set and the second pressing wheel set are distributed in parallel, a groove is formed in a pressing wheel of the second pressing wheel set, and a nose bridge strip penetrates through the groove and is pressed by the first pressing wheel set so as to be conveyed forwards and be synchronously straightened; the mount pad includes: the mounting base is connected with the mounting block on the mounting base, the first pressing wheel set is rotatably connected with the mounting block, the second pressing wheel set is rotatably connected with the mounting base, and the mounting block is connected with the mounting base through a fastening bolt so as to expand the distance between the first pressing wheel set and the second pressing wheel set to penetrate into the nose bridge strip by loosening the bolt.

4. The mask body forming apparatus of claim 2, wherein the insert assembly comprises: the nose bridge piece pushing device comprises a cutting device for cutting a nose bridge piece into nose bridge piece monomers according to a set length, and a material pushing device for pushing the nose bridge piece monomers into a set interlayer of the mask body; the shearing apparatus includes: the nose bridge piece conveying device comprises a connecting seat, a driving piece and a conveying assembly, wherein the connecting seat is provided with a through hole for a nose bridge piece to pass through, a push plate groove vertically arranged on the through hole, and the driving piece connected to the connecting seat; the pushing device comprises: the device comprises a motor fixed on a rack, a turntable connected to an output shaft of the motor, a transmission arm hinged on the turntable, a sliding rail connected to the end part of the transmission arm, and a push plate connected to the end part of the sliding rail, wherein the sliding rail is arranged on a sliding block supported on the rack in a sliding manner; when the motor rotates, the rotating disc is driven to rotate, the rotating disc periodically drives the transmission arm, the transmission arm periodically slides back and forth along the sliding block in the horizontal direction along with the transmission arm, so that the push plate is driven to periodically stretch into the push plate groove or withdraw from the push plate groove, and the nose bridge strip monomer is pushed to a set interlayer of the mask body.

5. The mask body forming apparatus of claim 2, wherein the ultrasonic welding assembly comprises: compression roller device and ultrasonic bonding device, the compression roller device includes: the pair of first left supporting arm and the first right supporting arm are oppositely arranged, a first mounting groove is formed in each of the first left supporting arm and the first right supporting arm, a first adjusting mechanism and a second adjusting mechanism are respectively arranged on the first left supporting arm and the first right supporting arm, a press roller is rotatably connected between the first adjusting mechanism and the second adjusting mechanism, and press teeth are arranged on the surface of the press roller; the first adjusting mechanism and the second adjusting mechanism are the same and respectively comprise a first guide block capable of sliding along the side wall of the first mounting groove, a first screw rod connected to the first guide block and a first elastic piece supported at the bottom of the first guide block, the first elastic piece is arranged on the bottom wall of the first mounting groove, the middle of the first screw rod is in threaded connection with the groove wall of the first mounting groove, the longitudinal position of the compression roller is adjusted by adjusting the first screw rod, the ultrasonic welding head of the ultrasonic welding device is located below the compression roller, the mask body penetrates through the space between the ultrasonic welding head and the compression roller, and the compression teeth on the surface of the compression roller are used for carrying out fusion welding on the mask body.

6. The mask body forming apparatus according to claim 1, wherein the mask body material folding mechanism comprises: the folding component and the traction component are connected to the rack; wherein the content of the first and second substances,

7. The mask body forming apparatus of claim 6, wherein the folio component comprises: the device comprises a longitudinal bracket, a transverse movement adjusting device connected to the longitudinal bracket, a pair of folded plates connected to the transverse movement adjusting device, and an angle adjusting device connected to the longitudinal bracket, wherein the angle adjusting device is positioned below the pair of folded plates; the angle adjusting device is adjusted so that the folding plate rotates along the transverse moving adjusting device to change the longitudinal angle of the folding plate, and the transverse moving adjusting device is adjusted to synchronously drive the folding plate to transversely move in the horizontal direction so as to change the transverse position of the folding plate.

8. The mask body forming apparatus of claim 7, wherein the traverse adjustment device comprises: the mask comprises a rotating shaft and a hand wheel, wherein the rotating shaft is connected to the longitudinal support in a threaded mode, the hand wheel is connected to one end of the rotating shaft, and the hand wheel is operated to drive the rotating shaft to rotate, so that the transverse position of a folded plate is changed to adjust the folding position of the mask body; the angle adjusting device includes: the middle part of the screw rod is provided with a baffle plate and a screw cap screwed on the screw rod, the screw rod penetrates through a mounting hole on the longitudinal support, the screw cap and the baffle plate are respectively positioned at the bottom and the top of the mounting hole, and the other end of the screw rod abuts against the folded plate; the nut is adjusted to change the longitudinal angle to the flap.

9. The mask body forming apparatus according to claim 1, wherein the mask single edge banding forming mechanism comprises: the rolling cutting machine comprises a rack, a first traction assembly, a first tensioning assembly, a welding assembly, a second traction assembly, a second tensioning assembly and a rolling cutting assembly, wherein the first traction assembly, the first tensioning assembly, the welding assembly, the second traction assembly, the second tensioning assembly and the rolling cutting assembly are sequentially connected to the rack in a front-back mode; wherein the content of the first and second substances,

10. The mask body forming apparatus of claim 9, wherein the frame further comprises a discharge assembly, the discharge assembly comprising: the front rotating shaft and the rear rotating shaft are connected between the front side plate and the rear side plate, a conveying belt is arranged between the front rotating shaft and the rear rotating shaft, and at least one rolling shaft is connected between the front side plate and the rear side plate and is positioned above the conveying belt; still be equipped with an edge-trim traction assembly in the frame, edge-trim traction assembly includes: the device comprises a connecting seat, a guide rod arranged at the top of the connecting seat, a first drawing roller and a second drawing roller which are rotatably connected to the connecting seat and are arranged in parallel, and a through hole for penetrating the rim charge is formed in the guide rod; wherein, first carry over pinch rolls rotates to be connected in the connecting seat, and the second carry over pinch rolls passes through two sets of adjustment mechanism and connects in the connecting seat.