CN111838806A - Mask machine and mask - Google Patents

Abstract

The invention relates to a mask machine and a mask. The mask comprises a mask main body, two ear belts, a plastic nose bridge strip and a metal nose bridge strip, wherein the mask main body comprises two layers of non-woven fabrics and one layer of melt-blown fabric clamped between the two layers of non-woven fabrics, the two ear belts are respectively spot-welded at two opposite ends of the mask main body, and the plastic nose bridge strip and the metal nose bridge strip are embedded at intervals in the mask main body and are adjacent to the edge of the mask main body. The mask has good air tightness. The mask machine is used for manufacturing the mask.

Description

Mask machine and mask

Technical Field

The invention relates to a mask machine and a mask.

Background

The disposable mask refers to a disposable mask. The nose bridge is generally made of two layers of gram non-woven fabric, and the nose bridge is made of environment-friendly full-plastic strips, does not contain any metal, and is breathable and comfortable to wear. The nose bridge strip is generally used for fitting the nose bridge of a user after being pinched, however, the air tightness of the whole plastic strip is not high because the pinching cannot be performed to cause air leakage.

Disclosure of Invention

Accordingly, there is a need for a mask and a mask machine having high airtightness.

The utility model provides a mask, includes mask main part, two ear areas, a plastics bridge of the nose strip and a metal bridge of the nose strip, and the mask main part includes two-layer non-woven fabrics and presss from both sides the one deck melt-blown fabric of locating between two-layer non-woven fabrics, and two ear areas spot welding respectively are in the relative both ends of mask main part, and plastics bridge of the nose strip inlays the edge of locating in the mask main part and neighbouring mask main part with metal bridge of the nose strip at an interval each other.

In one embodiment, wherein the width of the metal nose bridge strip is greater than the width of the plastic nose bridge strip, the plastic nose bridge strip is located on the side of the metal nose bridge strip adjacent to the edge of the mask body.

In one embodiment, the metal nose bridge strip and the plastic nose bridge strip are equal in length and smaller than the width of the mask body.

A mask machine is used for manufacturing the mask, the mask machine comprises a nose bridge guiding mechanism, the nose bridge guiding mechanism comprises a transmission plate, a conduction shell and a guiding assembly, the transmission plate is used for transmitting non-woven fabrics, two opposite sides of the transmission plate are respectively and vertically provided with a retaining side plate in a protruding mode, the conduction shell is fixed on one retaining side plate and located above the transmission plate, the guiding assembly comprises a V-shaped frame, a mounting frame, three cross beam frames and a pressing frame, the V-shaped frame is fixed at one end of the conduction shell, the mounting frame is fixed on one side of the V-shaped frame, the three cross beam frames can be sleeved on the mounting frame in a lifting mode, the three cross beam frames are different in length, two opposite ends of each cross beam frame are respectively provided with a guiding groove, the pressing frame is mounted on the mounting frame and used for pressing and positioning at least one cross beam frame, the conduction shell is used for guiding a metal nose bridge and a plastic nose bridge to respectively, the metal nose bridge strip and the plastic nose bridge strip pass through two guide grooves of the corresponding cross beam frame respectively and are transmitted to the non-woven fabric at preset intervals.

In one embodiment, two wing plates are convexly arranged at two opposite ends of each beam frame, an included angle is formed between the two wing plates, the guide groove is positioned between the two wing plates, and the two wing plates are provided with elastic structures which are used for elastically abutting the metal nose bridge strip/the plastic nose bridge strip to the bottom surface of the guide groove.

In one embodiment, in two adjacent cross beams, the length of the cross beam frame on the lower side is smaller, the mounting frame is in a rectangular frame shape, a rectangular column is formed on one side of the mounting frame, which is far away from the V-shaped frame, and the middle of the cross beam frame is sleeved on the rectangular column.

In one embodiment, the conducting shell comprises an arched shell and a protruding plate, the top of the arched shell is fixed on one of the blocking side plates through a cross rod, the protruding plate is protruded at one end of the bottom of the arched shell, a V-shaped frame is fixed on the protruding plate and aligned with the outlet of the arched shell, and the V-shaped frame is used for separating the adjacent metal nose bridge strip and the adjacent plastic nose bridge strip.

In one embodiment, the V-shaped frame includes two upright plates fixed together, the two upright plates being perpendicularly fixed to the protruding plate, the distance between the two upright plates increasing in a direction away from the arched housing.

In one embodiment, a mounting space is formed between the two vertical plates, the mounting frame is positioned in the mounting space, and the top end of the V-shaped frame is provided with a covering plate which extends downwards in an inclined mode and is positioned above the mounting frame.

In one embodiment, the length of each of the three cross beams is greater than the width of the V-shaped frame and less than the width of the arched shell, and a conveying channel is formed between the bottom surface of the arched shell and the conveying plate.

Because be provided with two bridge of the nose strips in this gauze mask, a plastics bridge of the nose strip and a metal bridge of the nose strip, consequently can be after buckling hard, can be so that plastics bridge of the nose strip and the identical user's of metal bridge of the nose strip bridge of the nose position, reach double-deck sealed effect, improve the gas tightness, and plastics bridge of the nose strip reconversion easily, and the difficult reconversion of metal bridge of the nose strip, consequently can utilize metal bridge of the nose strip to continuously keep the gas tightness after the reconversion of bridge of the nose strip, improve its sealed effect.

When guiding the nose bridge strip, the shell is conducted to guide the metal nose bridge strip and the plastic nose bridge strip to pass through from two opposite sides of the V-shaped frame respectively, and the metal nose bridge strip and the plastic nose bridge strip pass through two guide grooves of the corresponding cross beam frame respectively and are transmitted to the non-woven fabric at preset intervals. To different gauze masks, through in the guiding groove with metal bridge of the nose strip and plastics bridge of the nose strip through the crossbeam frame of difference, consequently can change the interval between metal bridge of the nose strip and the plastics bridge of the nose strip to make metal bridge of the nose strip and plastics bridge of the nose strip with the interval transmission of difference, make interval between two bridge of the nose strips can adjust as required, the gauze mask that this gauze mask machine made has the gas tightness of preferred because of having two bridge of the nose strips moreover.

Drawings

Fig. 1 is a schematic perspective view of a nose bridge bar guiding mechanism of a mask machine according to an embodiment.

Fig. 2 is an end view of the nose bridge bar guide mechanism of the mask machine shown in fig. 1.

Fig. 3 is a perspective view of a guide assembly according to an embodiment.

Fig. 4 is a schematic perspective view of the mounting frame and the pressing frame according to an embodiment.

Fig. 5 is a partial enlarged view of a portion a in fig. 4.

FIG. 6 is a plan view of an embodiment of a pressing frame.

Detailed Description

The invention relates to a mask machine and a mask. For example, the mask comprises a mask body, two ear straps, a plastic nose bridge strip and a metal nose bridge strip. For example, the mask body includes two layers of non-woven fabric and a layer of meltblown fabric sandwiched between the two layers of non-woven fabric. For example, two ear straps are respectively spot-welded to two opposite ends of the mask body, and a plastic nose bridge strip and a metal nose bridge strip are embedded in the mask body at intervals and are adjacent to the edge of the mask body.

For example, the invention provides a mask, which comprises a mask main body, two ear belts, a plastic nose bridge strip and a metal nose bridge strip, wherein the mask main body comprises two layers of non-woven fabrics and a layer of melt-blown fabric clamped between the two layers of non-woven fabrics, the two ear belts are respectively welded at two opposite ends of the mask main body in a spot welding manner, and the plastic nose bridge strip and the metal nose bridge strip are embedded in the mask main body at intervals and are adjacent to the edge of the mask main body.

Because be provided with two bridge of the nose strips in this gauze mask, a plastics bridge of the nose strip and a metal bridge of the nose strip, consequently can be after buckling hard, can be so that plastics bridge of the nose strip and the identical user's of metal bridge of the nose strip bridge of the nose position, reach double-deck sealed effect, improve the gas tightness, and plastics bridge of the nose strip reconversion easily, and the difficult reconversion of metal bridge of the nose strip, consequently can utilize metal bridge of the nose strip to continuously keep the gas tightness after the reconversion of bridge of the nose strip, improve its sealed effect.

For example, to facilitate improved air-tightness, wherein the width of the metal nose bridge strip is greater than the width of the plastic nose bridge strip, the plastic nose bridge strip is on the side of the metal nose bridge strip adjacent to the edge of the mask body. The length of the metal nose bridge strip is equal to that of the plastic nose bridge strip, and the metal nose bridge strip and the plastic nose bridge strip are both smaller than the width of the mask main body. By making the width of the metal nose bridge strip wider, its sealing effect can be improved.

Referring to fig. 1 to 3, a mask machine for manufacturing a mask as described above includes a nose bridge guiding mechanism, the nose bridge guiding mechanism includes a transmission plate 10, a pass-through housing 20 and a guiding assembly 30, the transmission plate 10 is used for transmitting non-woven fabric, two opposite sides of the transmission plate 10 are respectively and vertically protruded with a retaining side plate 15, the pass-through housing 20 is fixed on one of the retaining side plates 15 and is located above the transmission plate 10, the guiding assembly 30 includes a V-shaped frame 31, a mounting frame 32, three cross-beam frames 33 and a pressing frame 35, the V-shaped frame 31 is fixed at one end of the pass-through housing 20, the mounting frame 32 is fixed at one side of the V-shaped frame 31, the three cross-beam frames 33 can be sleeved on the mounting frame 32 in a lifting manner, the three cross-beam frames 33 are arranged in different lengths, the two opposite ends of each cross-beam 33 are respectively formed with a guiding groove 335, the pressing frame 35 is mounted on the mounting frame 32 and is used, the conductive shell 20 is used for guiding the metal nose bridge strip and the plastic nose bridge strip to pass through the two opposite sides of the V-shaped frame 31 respectively, and the metal nose bridge strip and the plastic nose bridge strip pass through the two guide grooves 335 of the corresponding cross beam frame 33 respectively and are transmitted to the non-woven fabric at a preset interval. For example, the mask machine further comprises a slicing structure, a rolling transmission structure and the like, and the details are not repeated. Only one retaining side plate 15 is shown in the drawing, the other retaining side plate 15 is not shown, i.e. the structure of the other side is not shown.

In the process of producing the mask, the mask machine needs to introduce the two nose bridge strips into the edges of the non-woven fabric, and then the edges of the non-woven fabric are turned over, wrapped and rolled to fix the two nose bridge strips in the mask machine.

For example, when guiding the nose bridge, the conductive shell 20 guides the metal nose bridge and the plastic nose bridge to pass through the two opposite sides of the V-shaped frame 31, and the metal nose bridge and the plastic nose bridge pass through the two guide grooves 335 of the corresponding cross beam 33 and are transmitted to the non-woven fabric at a predetermined interval. To different gauze masks, through in the guiding groove 335 with metal bridge of the nose strip and plastics bridge of the nose strip through the crossbeam frame 33 of difference, consequently can change the interval between metal bridge of the nose strip and the plastics bridge of the nose strip, thereby make metal bridge of the nose strip and plastics bridge of the nose strip with the transmission of different intervals, make interval between two bridge of the nose strips can adjust as required, the gauze mask that this gauze mask machine made has the gas tightness of preferred because of having two bridge of the nose strips moreover. The plastic nose bridge strip is an all-plastic nose bridge strip.

For example, in order to prevent the nose bridge strip from freely swinging in the guide groove 335, two wing plates 338 are convexly disposed at opposite ends of each beam frame 33, an included angle is formed between the two wing plates 338, the guide groove 335 is located between the two wing plates 338, and an elastic structure (not shown) is disposed on the two wing plates 338 and used for elastically abutting the metal/plastic nose bridge strip against the bottom surface of the guide groove 335. In two adjacent cross beam frames 33, the length of the cross beam frame 33 on the lower side is smaller, the mounting frame 32 is in a rectangular frame shape, a rectangular column 315 is formed on one side of the mounting frame, which is far away from the V-shaped frame 31, and the rectangular column 315 is sleeved in the middle of the cross beam frame 33. By providing the elastic structures at the opposite ends of the cross frame 33, the two nose bridge pieces can be defined in the two guide grooves 335 by using the two elastic structures, thereby defining the interval between the two nose bridge pieces.

For example, in order to facilitate the separation of two nose bridge strips, the shell 20 includes an arched shell 21 and a protruding plate 22, the top of the arched shell 21 is fixed on one of the retaining side plates 15 by a cross bar, the protruding plate 22 is protruded from one end of the bottom of the arched shell 21, a V-shaped bracket 31 is fixed on the protruding plate 22 and aligned with the outlet of the arched shell 21, and the V-shaped bracket 31 is used for separating the adjacent metal and plastic nose bridge strips. The V-shaped frame 31 includes two vertical plates 23 fixed together, the two vertical plates 23 are vertically fixed on the protruding plate 22, and the distance between the two vertical plates 23 gradually increases in the direction away from the arched shell 21. An installation space is formed between the two upright plates 23, the installation frame 32 is located in the installation space, the top end of the V-shaped frame 31 is provided with a cover plate 316, and the cover plate 316 extends obliquely downwards and is located above the installation frame 32. The lengths of the three cross beam frames 33 are all larger than the width of the V-shaped frame 31 and are all smaller than the width of the arched shell 21, and a conveying channel is formed between the bottom surface of the arched shell 21 and the conveying plate 10. The provision of the V-shaped frame 31 allows the pre-separation of two mutually coupled/adjacent metal/plastic bridge members, so that the two bridge members can subsequently enter the guide grooves 335 at the opposite ends of the cross-beam frame 33, facilitating the separation of the two bridge members. And the transmission channel is arranged to facilitate the transmission of the non-woven fabric.

It is particularly important, for example, to facilitate the transport of the two nasal bridge strips downstream onto the nonwoven, the mask machine further comprises a rotary cutter assembly 40, the rotary cutter assembly 40 comprises a rotary cylinder 41, a rotary shaft 42, a rotary transmission wheel 43, an upper shaft rod 44 and a lower shaft rod 45, the rotary cylinder 41 is fixed on one of the blocking side plates 15, the rotary shaft 42 is coaxially fixed on an output shaft of the rotary cylinder 41 and aligned with the lower part of the rectangular column 315, the rotary shaft 42 is parallel to the transmission bottom plate, the axis of the rotary shaft 42 is perpendicular to the transmission direction of the metal bridge of the nose or the plastic bridge of the nose, the rotary transmission wheel 43 is fixedly sleeved on the rotary shaft 42, a plurality of abutting convex strips 435 are convexly arranged on the periphery of the rotary transmission wheel 43, the upper shaft rod 44 and the lower shaft rod 45 are both fixed on one of the blocking side plates 15, and the upper shaft rod 44 and the lower shaft rod 45 are respectively arranged above and below the. The inside concave installation cavity that is equipped with of rotatory transmission wheel 43, be fixed with telescopic cylinder (not shown) on the rotation axis 42, telescopic cylinder is located the installation cavity, and one of them supports to be formed with out the sword slot in holding sand grip 435, is provided with bar cutter 438 in the play sword slot, bar cutter 438 and telescopic cylinder's output shaft, and the downside of going up axostylus axostyle 44 is formed with the bar and goes up the groove, and the upside of lower axostylus axostyle 45 is formed with the bar and descends the groove. The rotary cylinder 41 is used to drive the rotary transmission wheel 43 to rotate so as to abut against the metal/plastic nose bridge strip with the plurality of abutting convex strips 435 and transmit the metal/plastic nose bridge strip by friction. After rotating for a preset number of turns, the telescopic cylinder is used for driving the protruding part of the strip-shaped cutter 438 to match the upper shaft rod 44 or the lower shaft rod 45 to cut off the metal nose bridge strip and the plastic nose bridge strip simultaneously. When the two nose bridge bars pass through the two cross beams 33 at the lower part, the rotary cylinder 41 rotates in one direction to transmit the two nose bridge bars, and the strip-shaped cutter 438 is matched with the strip-shaped lower groove of the lower shaft lever 45 to cut off the two nose bridge bars. When the two nose bridges pass by the uppermost one of the cross-members 33, the rotary cylinder 41 is rotated in the other opposite direction to rub against and transfer the two nose bridges from the lower side, and the strip-shaped cutter 438 is engaged with the strip-shaped upper groove of the upper shaft rod 44. Through setting up rotatory cutter unit 40, can utilize on the one hand to support two bridge of the nose strips of holding power and frictional force transmission, in addition rotatory several rings of suitable back of length, utilize bar cutter 438 to cut off two bridge of the nose strips, kill two birds with one stone.

For example, in order to facilitate positioning of the three crossbeams 33, please refer to fig. 4 to 6 together, a vertical slot 317, three middle grooves 318 and a top groove 319 are formed in the rectangular column 315, the vertical slot 317 extends in the vertical direction, the three middle grooves 318 are arranged at intervals and located in the middle of the rectangular column 315, the top groove 319 is located at the top end of the vertical slot 317, the widths of the middle grooves 318 and the top groove 319 are both greater than the width of the vertical slot 317, a sliding-out groove 314 is formed in one side of the rectangular column 315 facing the V-shaped frame 31 in a penetrating manner, the sliding-out groove 314 is communicated with the vertical slot 317, and the cross-sectional dimension of the sliding-out groove 314 is smaller than the cross-sectional dimension of the. The pressing frame 35 comprises two L-shaped rods 353 and an elastic pulling strip 354, rectangular pressing plates 355 are arranged at the bottom ends of the two L-shaped rods 353, the two rectangular pressing plates 355 are pressed and positioned on the cross beam frame 33 at the lowest position, the ends of the two L-shaped rods 353 are respectively inserted into the middle groove 318 at the lowest position from two sides, the elastic pulling strip 354 is positioned in the middle groove 318, and the two opposite ends of the elastic pulling strip 354 are respectively connected to the top ends of the two L-shaped rods 353 so as to pull the two L-shaped rods 353 to be close to each other. The two beam frames 33 on the upper side are hung on the upper portion of the rectangular column 315 by friction, and the upper portions of the two L-shaped bars 353 abut on the beam frame 33 in the middle. The middle slot 318 may limit the two L-shaped bars 353 from any displacement.

When it is desired to change the spacing between the two nose bridges, for example, when it is desired to guide the two nose bridges using the cross-beam 33 which is medium-rolled, the two L-shaped rods 353 are used to move away from each other under an external force (e.g., by hand) against the pulling force of the elastic stay 354, so that the upper ends of the two L-shaped rods 353 are out of the middle groove 318, and the two L-shaped rods 353 drive the elastic stay 354 to move laterally so that the elastic stay 354 is out of the slide-out groove 314. Intermediate beam 33 is then pushed down onto the lowermost beam 33 to be supported on the lowermost beam 33, with intermediate beam 33 being located below central channel 318. The cross-beam 33 is then held in place by pulling the resilient bar 354, sliding the resilient bar 354 back through the slide-out slot 314 into the vertical slot 317, pulling the two L-bars 353 to move the resilient bar 354 up the vertical slot 317 until the upper ends of the two L-bars are aligned with the middle slot 318, releasing the two L-bars 353 so that the upper ends of the two L-bars 353 are inserted into the middle slots 318 from both sides by the pulling force of the resilient bar 354 to position, and pressing the rectangular pressing plate 355 at the bottom of the two L-bars 353 against the cross-beam 33 in the middle position to position the middle cross-beam 33. At this time, since the middle beam frame 33 is located at a lower height than the rotation transmission wheel 43, the two nose bridge strips are still transmitted from below the rotation transmission wheel 43. By analogy, the two nose bridge strips can be guided by the uppermost cross beam 33 by means of the insertion and withdrawal of the abutment frame 35 for inserting the abutment frame 35 into the uppermost intermediate slot 318, the two nose bridge strips being transported through from above the rotary transport wheel 43.

In the invention, the elastic brace 354 is skillfully arranged to pull and hold the two L-shaped rods 353, so that the abutting frame 35 can be automatically positioned to abut against the positioning cross beam frame 33, and the inserted abutting frame 35 cannot be separated from the sliding-out groove 314, and the positioning is stable. When the pressing frame 35 needs to be removed or moved up and down, the elastic brace 354 can be located in the vertical slot 317 only by pulling the two L-shaped rods 353 outwards, so that the pressing frame 35 can be conveniently removed or inserted up and down, the movement and the positioning of the pressing frame 35 are very convenient, and the downward movement and the positioning of the three cross beam frames 33 are also convenient, so that the nose bridge strips can be correspondingly guided.

For example, in one embodiment, the distance between the metal and plastic bridge strips is between 3-6 cm, which covers the top most to the bottom most position of the euro's nose.

Claims (10)

1. The utility model provides a mask, its characterized in that, includes mask main part, two ear areas, a plastics nose bridge strip and a metal nose bridge strip, and the mask main part includes two-layer non-woven fabrics and presss from both sides the one deck melt-blown fabric of locating between two-layer non-woven fabrics, and two ear areas spot welding respectively are in the relative both ends of mask main part, and plastics nose bridge strip inlays the edge of locating in the mask main part and neighbouring mask main part with metal nose bridge strip at an interval each other.

2. The mask of claim 1 wherein the width of the metal nose bridge strip is greater than the width of the plastic nose bridge strip on the side of the metal nose bridge strip adjacent the edge of the mask body.

3. The mask of claim 2 wherein the metal and plastic bridge straps are of equal length and are each less than the width of the mask body.

4. A mask machine, characterized in that the mask machine is used for manufacturing the mask according to claim 1, the mask machine comprises a nose bridge guiding mechanism, the nose bridge guiding mechanism comprises a transmission plate, a conduction shell and a guiding component, the transmission plate is used for transmitting non-woven fabrics, two opposite sides of the transmission plate are respectively vertically and convexly provided with a retaining side plate, the conduction shell is fixed on one retaining side plate and is positioned above the transmission plate, the guiding component comprises a V-shaped frame, a mounting frame, three cross beams and a pressing frame, the V-shaped frame is fixed at one end of the conduction shell, the mounting frame is fixed at one side of the V-shaped frame, the three cross beams can be sleeved on the mounting frame in a lifting manner, the lengths of the three cross beams are different, two opposite ends of each cross beam are respectively provided with a guiding groove, the pressing frame is arranged on the mounting frame and is used for pressing and positioning at least one cross beam, the conduction shell is used for guiding the metal strip and the plastic nose bridge to respectively pass through the two, the metal nose bridge strip and the plastic nose bridge strip pass through two guide grooves of the corresponding cross beam frame respectively and are transmitted to the non-woven fabric at preset intervals.

5. The mask machine as claimed in claim 4, wherein each of the two opposite ends of the beam has two flanges protruding from each other, an included angle is formed between the two flanges, the guiding groove is located between the two flanges, and the two flanges have elastic structures for elastically pressing the metal/plastic bridge member against the bottom surface of the guiding groove.

6. The mask machine according to claim 5, wherein the length of the beam frame on the lower side is smaller in two adjacent beam frames, the mounting frame is in a rectangular frame shape, a rectangular column is formed on one side of the mounting frame, which is far away from the V-shaped frame, and the middle of the beam frame is sleeved on the rectangular column.

7. The mask machine according to claim 6, wherein the communicating shell comprises an arch-shaped shell and a protruding plate, the top of the arch-shaped shell is fixed on one of the retaining side plates through a cross bar, the protruding plate is protruded from one end of the bottom of the arch-shaped shell, a V-shaped frame is fixed on the protruding plate and aligned with the outlet of the arch-shaped shell, and the V-shaped frame is used for separating the adjacent metal nose bridge strip and the plastic nose bridge strip.

8. The mask machine according to claim 7, wherein the V-shaped frame comprises two upright plates fixed together, the two upright plates being vertically fixed to the protruding plate, the distance between the two upright plates gradually increasing in a direction away from the arched shell.

9. The mask machine according to claim 8, wherein a mounting space is formed between the two standing plates, the mounting frame is located in the mounting space, and a cover plate is provided at the top end of the V-shaped frame, the cover plate extending obliquely downward and being located above the mounting frame.

10. The mask machine of claim 9 wherein the three cross-beams each have a length greater than the width of the V-shaped frame and less than the width of the arch-shaped housing, and a transfer passage is formed between the bottom surface of the arch-shaped housing and the transfer plate.

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