CN111873460A - Mask machine and nose bridge strip pipe structure thereof - Google Patents

Mask machine and nose bridge strip pipe structure thereof Download PDF

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Publication number
CN111873460A
CN111873460A CN202010549444.6A CN202010549444A CN111873460A CN 111873460 A CN111873460 A CN 111873460A CN 202010549444 A CN202010549444 A CN 202010549444A CN 111873460 A CN111873460 A CN 111873460A
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China
Prior art keywords
guide cylinder
guide
strip
conveying
piece
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CN202010549444.6A
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CN111873460B (en
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陈华
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Shandong nuoxian medical supplies Co.,Ltd.
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陈华
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/78Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
    • B29C65/7858Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus characterised by the feeding movement of the parts to be joined
    • AHUMAN NECESSITIES
    • A41WEARING APPAREL
    • A41DOUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D13/00Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
    • A41D13/05Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
    • A41D13/11Protective face masks, e.g. for surgical use, or for use in foul atmospheres
    • AHUMAN NECESSITIES
    • A41WEARING APPAREL
    • A41HAPPLIANCES OR METHODS FOR MAKING CLOTHES, e.g. FOR DRESS-MAKING OR FOR TAILORING, NOT OTHERWISE PROVIDED FOR
    • A41H43/00Other methods, machines or appliances
    • A41H43/02Handling garment parts or blanks, e.g. feeding, piling, separating or reversing
    • A41H43/0235Feeding or advancing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00Other particular articles
    • B29L2031/48Wearing apparel
    • B29L2031/4807Headwear
    • B29L2031/4835Masks

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Mechanical Engineering (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)

Abstract

The invention relates to a mask machine and a nose bridge strip guide pipe structure thereof. The mask machine comprises a conveying assembly and a nose bridge strip guide pipe structure, the conveying assembly comprises a conveying track and a partition plate, the conveying track comprises a conveying bottom plate and two blocking and holding side plates, the conveying bottom plate is used for conveying non-woven fabrics, the two blocking and holding side plates are arranged on two opposite sides of the conveying bottom plate respectively, one side of the partition plate is fixed on one of the blocking and holding side plates, a guide interval is formed between the other side of the blocking and holding side plate and the other blocking and holding side plate, the nose bridge strip guide pipe structure comprises an arc-shaped turning piece for the non-woven fabrics, an installation strip, a steel fin and a guide cylinder, and the bottom edge of. The mask machine is convenient for guiding nose bridge strips with different thicknesses, has a good guiding effect, and is wide in adaptability.

Description

Mask machine and nose bridge strip pipe structure thereof
Technical Field
The invention relates to a mask machine and a nose bridge strip guide pipe structure thereof.
Background
For disposable masks, it is necessary to embed a nose bridge strip made of metal, such as iron, in the nonwoven fabric. Generally need adopt to guide to the guide cylinder to the nose bridge strip to on introducing the non-woven fabrics with the nose bridge strip, and utilize the edge of non-woven fabrics to turn over and cover the nose bridge strip, later roll again, so that the top edge of gauze mask has double-deck cloth, is fixed with the nose bridge strip in the double-deck cloth. However, the guiding direction cylinder is fixed in size, and for nose bridge strips with different thicknesses, adaptive changes cannot be made to improve the fit degree, so that the guiding effect is influenced.
Disclosure of Invention
Therefore, there is a need for a mask machine with a better guiding effect for a nose bridge strip and a nose bridge strip guide tube structure thereof.
A mask machine comprises a conveying assembly and a nose bridge strip guide pipe structure, wherein the conveying assembly comprises a conveying track and a partition plate, the conveying track comprises a conveying bottom plate and two blocking and holding side plates, the conveying bottom plate is used for conveying non-woven fabrics, the two blocking and holding side plates are respectively arranged on two opposite sides of the conveying bottom plate, one side of the partition plate is fixed on one of the blocking and holding side plates, a guide interval is formed between the other side of the partition plate and the other blocking and holding side plate, the nose bridge strip guide pipe structure comprises an arc-shaped turning piece for the non-woven fabrics, a mounting strip, a steel fin and a guide cylinder, the bottom edge of the arc-shaped turning piece is mounted on one of the blocking and holding side plates, the top of the arc-shaped turning piece is positioned above the guide interval, the mounting strip is fixed on the partition plate, one end of the steel fin is mounted on the mounting strip, the lateral wall of the guide cylinder is provided with a deformation through groove, the guide cylinder is used for guiding the nose bridge strip, a concave arc piece is installed in the deformation through groove, the concave arc piece is used for being pressed and pressed by the steel fin to be inwards concave and deformed so that the guide cylinder becomes flat, and the arc-shaped turnover piece is used for enabling the side edge of the non-woven fabric at the downstream of the guide cylinder to be turned over to the nose bridge strip.
In one embodiment, the inner diameter of the guide cylinder is gradually reduced along the conveying direction of the non-woven fabric, the deformation through groove is positioned on one side of the guide cylinder facing the mounting strip, the guide cylinder comprises a large end and a small end which are oppositely arranged, the deformation through groove penetrates through the small end of the guide cylinder, and the small end faces the downstream of the conveying direction of the non-woven fabric.
In one embodiment, the concave arc sheet is positioned at the large end of the guide cylinder, a strip-shaped groove is formed on the concave arc sheet, the strip-shaped groove faces the mounting strip, and a non-woven fabric transmission gap is formed between the partition board and the conveying bottom plate.
In one embodiment, the concave arc sheet is made of a metal thin sheet, the cross section of the mounting strip is rectangular, and the mounting strip is parallel to the retaining side plate.
In one embodiment, the mounting bar is concavely provided with a mounting groove, the bottom surface of the mounting groove is provided with a screw hole, a plurality of rectangular gaskets are arranged in the mounting groove, the steel fins are supported on the rectangular gaskets, and the bolt penetrates through the steel fins and the rectangular gaskets and is screwed in the screw hole.
In one embodiment, the edge of the steel fin is provided with an arc groove in an inward concave manner, the bolt is arranged in the arc groove in a penetrating manner, and the periphery of the small end of the guide cylinder is provided with a plurality of guide sheets in an outward convex manner.
In one of them embodiment, a plurality of guide pieces form the round around forming, and every guide piece includes interconnect's extension lamellar body and concave arc lamellar body, and the extension lamellar body is outwards set up along the straight line protrudingly from the tip, and concave arc lamellar body extends from the tip outside pitch arc that extends the lamellar body, and concave arc lamellar body's surface is formed with sunken, and the one side that deviates from sunken is formed with the guide face.
In one embodiment, the guide surface is used for limiting and guiding the nose bridge strip, one end of the arc-shaped folding piece is convexly provided with a bending part, the bending part is positioned at the downstream of the small end of the guide cylinder, the bottom edge of the large end of the guide cylinder is fixed on the edge of the partition plate, and the end part of the steel fin is fixed on the top of the large end of the guide cylinder.
A nose bridge strip conduit structure of a mask machine.
In one of the embodiments, the internal diameter of guide cylinder diminishes along the direction of transfer of non-woven fabrics gradually, the groove is led to in the deformation is in the guide cylinder towards one side of mounting bar, the guide cylinder is including relative big end and the tip that sets up, the groove link up the tip of guide cylinder is led to in the deformation, the tip is towards the low reaches of the direction of transfer of non-woven fabrics, concave arc piece is located the big end of guide cylinder, be formed with the bar recess on the concave arc piece, the bar recess is towards the mounting bar, be formed with non-woven fabrics transmission clearance between baffle and the conveying bottom plate, concave arc piece is made by the sheetmetal, the cross section of mounting bar is the rectangle, the mounting bar is parallel with keeping off the curb plate.
When the less bridge of the nose strip of needs guide thickness, utilize the steel fin to press down and hold the guide cylinder to make concave arc piece indent deformation so that the guide cylinder becomes flat, and then make the guide cylinder can coincide the less bridge of the nose strip of thickness, concave arc piece indent also can coincide the less bridge of the nose strip of width in addition, because under the less circumstances of bridge of the nose strip thickness, the width also can be done for a short time adaptively. Through above-mentioned design, can improve the degree of coincidence of gauze mask machine to nose bridge strip, improve its guide effect and guide smooth and easy nature.
Drawings
Fig. 1 is a perspective view of a partial structure of a mask machine according to an embodiment.
Fig. 2 is a perspective view of another view angle of the partial structure of the mask machine shown in fig. 1.
Fig. 3 is an end view of a partial structure of the mask machine according to an embodiment.
FIG. 4 is a perspective view of a nasal bridge strip conduit configuration according to an embodiment.
Fig. 5 is a partially enlarged view of a portion a in fig. 2.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The invention relates to a mask machine and a nose bridge strip guide pipe structure thereof. For example, the mask machine and the nose bridge strip guide structure thereof comprise a conveying assembly and the nose bridge strip guide structure, wherein the conveying assembly comprises a conveying rail and a partition plate, and the conveying rail comprises a conveying bottom plate and two blocking side plates. For example, the conveying bottom plate is used for conveying non-woven fabrics, the two blocking side plates are respectively arranged on two opposite sides of the conveying bottom plate, one side of the partition plate is fixed on one of the blocking side plates, and a guide interval is formed between the other side of the partition plate and the other blocking side plate. For example, the nose bridge strip guide tube structure comprises an arc-shaped folding piece for non-woven fabric, a mounting strip, a steel fin and a guide cylinder, wherein the bottom edge of the arc-shaped folding piece is mounted on one of the blocking side plates, the top of the arc-shaped folding piece is positioned above the guide interval, and the mounting strip is fixed on the partition board. For example, one end of the steel fin is installed on the mounting bar, the other end of the steel fin is connected to the guide cylinder, the bottom of one side of the guide cylinder is fixed on the edge of the partition plate, the guide cylinder is located above the guide interval, and the side wall of the guide cylinder is provided with a deformation through groove. For example, the guide cylinder is used for guiding the nose bridge strip, and the concave arc pieces are installed in the deformation through grooves and used for being concavely deformed under the pressing and holding of the steel fins so as to enable the guide cylinder to be flattened. For example, the arc-shaped folding sheet is used to fold the side edge of the nonwoven fabric downstream of the guide cylinder onto the nose bridge strip. For example, the mask machine further comprises a nonwoven fabric laminate upstream and a nonwoven fabric cutter downstream.
Referring to fig. 1 to 5, a mask machine includes a conveying assembly 10 and a nose bridge bar guiding structure 30, the conveying assembly 10 includes a conveying rail 12 and a partition plate 13, the conveying rail 12 includes a conveying bottom plate 121 and two retaining side plates 123, the conveying bottom plate 121 is used for conveying non-woven fabrics, the two retaining side plates 123 are respectively disposed on two opposite sides of the conveying bottom plate 121, one side of the partition plate 13 is fixed on one of the retaining side plates 123, a guiding space 125 is formed between the other side and the other retaining side plate 123, the nose bridge bar guiding structure 30 includes an arc-shaped folding piece 31 for non-woven fabrics, a mounting bar 32, a steel fin 33 and a guiding cylinder 34, a bottom edge of the arc-shaped folding piece 31 is mounted on one of the retaining side plates 123, a top of the arc-shaped folding piece 31 is located above the guiding space 125, the mounting bar 32 is fixed on the partition plate 13, one end of the steel fin 33 is mounted on the mounting bar, the other end of the guide cylinder is connected to the guide cylinder 34, the bottom of one side of the guide cylinder 34 is fixed to the edge of the partition plate 13, the guide cylinder 34 is located above the guide partition 125, a deformation through groove 341 is formed in the side wall of the guide cylinder 34, the guide cylinder 34 is used for guiding the nose bridge strip, a concave arc piece 344 is installed in the deformation through groove 341, the concave arc piece 344 is used for being inwards concave and deformed under the pressing of the steel fin 33 so that the guide cylinder 34 becomes flat, and the arc-shaped folding piece 31 is used for enabling the side edge of the non-woven fabric on the downstream of the guide cylinder 34.
For example, when a nose bridge strip with a smaller thickness needs to be guided, the guide cylinder 34 is pressed downwards by the steel fin 33, so that the concave arc piece 344 is concavely deformed to flatten the guide cylinder 34, and further, the guide cylinder 34 can be matched with the nose bridge strip with the smaller thickness, and the concave arc piece 344 is concavely matched with the nose bridge strip with the smaller width, so that the width can be adaptively made smaller under the condition that the thickness of the nose bridge strip is smaller. Through the design, the fit degree of the mask machine to the nose bridge strip can be improved, and the guiding effect and the guiding smoothness are improved.
For example, in order to change the height of the steel fins 33 to crush the guide cylinder 34, the inner diameter of the guide cylinder 34 is gradually reduced in the nonwoven fabric conveying direction, the deforming groove 341 is located on the side of the guide cylinder 34 facing the mounting bar 32, the guide cylinder 34 includes a large end 342 and a small end 343 which are oppositely disposed, the deforming groove 341 penetrates the small end 343 of the guide cylinder 34, and the small end 343 faces downstream in the nonwoven fabric conveying direction. The concave arc piece 344 is located at the large end 342 of the guide cylinder 34, a strip-shaped groove 345 is formed on the concave arc piece 344, the strip-shaped groove 345 faces the mounting strip 32, and a non-woven fabric transfer gap 1315 is formed between the partition plate 13 and the transfer base plate 121. The concave arc piece 344 is made of a metal thin plate, the cross section of the mounting bar 32 is rectangular, and the mounting bar 32 is parallel to the retaining side plate 123. The mounting bar 32 is provided with a mounting groove 321 in a concave manner, the bottom surface of the mounting groove 321 is provided with a screw hole, the mounting groove 321 is internally provided with a plurality of rectangular gaskets 322, the steel fin 33 is supported on the rectangular gaskets 322, and the bolt 37 penetrates through the steel fin 33 and the rectangular gaskets 322 and is screwed in the screw hole. Through setting up a plurality of rectangle gaskets 322, consequently can adjust the height of steel fin 33 through adding or subtracting rectangle gasket 322, and then squash or release guide cylinder 34 for the inner chamber height change of guide cylinder 34 is comparatively easy.
For example, in order to facilitate guiding out the nose bridge, the edge of the steel fin 33 is provided with an arc-shaped groove 331 inwards, the bolt 37 is arranged in the arc-shaped groove 331 in a penetrating way, and the periphery of the small end 343 of the guide cylinder 34 is provided with a plurality of guide sheets 35 outwards in a protruding way. The plurality of guide pieces 35 form a circle around, and each guide piece 35 comprises an extension piece body 351 and a concave arc piece body 355 which are connected with each other, wherein the extension piece body 351 is outwards arranged along a straight line in a protruding mode from the small end 343, the concave arc piece body 355 extends outwards from the end part of the extension piece body 351 in an arc mode, a concave 356 is formed on the outer surface of the concave arc piece body 355, and a guide surface 357 is formed on the side, away from the concave 356, of the concave arc piece body. The guide surface 357 is for limit-guiding the nose bridge strip. By providing the concave arc piece 355 and providing the guide surface 357 at the bottom of the concave arc piece 355, the nose bridge strip can be more accurately transferred to the upper surface of the nonwoven fabric downstream by the guide surface 357 being in contact with the upper surface of the nose bridge strip.
For example, in order to fold the edge of the nonwoven fabric, one end of the arc-shaped flap 31 is protruded to form a bent portion 318, the bent portion 318 is located downstream of the small end 343 of the guide cylinder 34, the bottom edge of the large end 342 of the guide cylinder 34 is fixed to the edge of the partition 13, and the end of the steel fin 33 is fixed to the top of the large end 342 of the guide cylinder 34. Since the bending part 318 is protruded from the lower part of the arc-shaped folding piece 31, the edge of the nonwoven fabric can be folded downstream of the small end 343 of the guide cylinder 34, so that the edge of the nonwoven fabric is folded over the nose bridge strip and is subsequently rolled. Interference of the nonwoven with the guide cylinder 34 is avoided.
For example, the present invention also provides a nose bridge bar duct structure 30 of a mask machine as described above.
For example, in the nasal bridge strip guide structure 30, the inner diameter of the guide cylinder 34 is gradually reduced along the conveying direction of the nonwoven fabric, the deformation through groove 341 is located on the side of the guide cylinder 34 facing the mounting strip 32, the guide cylinder 34 includes a large end 342 and a small end 343 which are oppositely arranged, the deformation through groove 341 penetrates the small end 343 of the guide cylinder 34, the small end 343 faces the downstream of the conveying direction of the nonwoven fabric, the concave arc piece 344 is located at the large end 342 of the guide cylinder 34, the concave arc piece 344 is formed with a strip-shaped groove 345 facing the mounting strip 32, a nonwoven fabric conveying gap 1315 is formed between the partition 13 and the conveying bottom plate 121, the concave arc piece 344 is made of a metal thin sheet, the mounting strip 32 has a rectangular cross section, and the mounting strip 32 is parallel to the retaining side plate 123.
For example, it is particularly important to improve the guiding effect of the non-woven fabric hem, wherein a rectangular groove is formed through the retaining side plate 123 adjacent to the arc-shaped hem flap 31, a longitudinal groove 3181 is formed on the folding portion 318 of the arc-shaped hem flap 31, and the longitudinal groove 3181 is aligned with the rectangular groove. The mask machine also comprises an offset assembly 40, the offset assembly 40 comprises a rotary cylinder 41, a cylindrical shaft 43 and a rectangular thread block 45, the rotary cylinder 41 is arranged on the retaining side plate 123 far away from the arc-shaped turnover piece 31, the cylindrical shaft 43 is coaxially fixed on the output shaft of the rotary cylinder 41, the cylindrical shaft 43 is arranged in the longitudinal groove 3181 in a penetrating way, a rectangular thread block 45 is slidably inserted into the rectangular groove and abuts against the arc-shaped turnover piece 31, a thread part 435 is formed at the end part of the cylindrical shaft 43, the thread part 435 is screwed in the rectangular thread block 45, the rotating cylinder 41 is used for rotating and driving the cylindrical shaft 43 to rotate so as to drive the rectangular thread block 45 to slide along the rectangular groove and further abut against the arc-shaped turnover piece 31 to deflect, the arc-shaped folding piece 31 is used for propping the edge of the non-woven fabric to move towards the other baffle side plate 123, so that the folding guiding effect on the side edge of the non-woven fabric is improved, and the folding width of the non-woven fabric can be further changed. The top edge position of the non-woven fabric during flanging is lower than the height position of the cylindrical shaft.
For example, to facilitate pressing the middle portion of the non-woven fabric to avoid arching, the offset assembly 40 further includes an elliptical shaft sleeve 46 and an elliptical cam 47, the elliptical shaft sleeve 46 is fixedly sleeved on the cylindrical shaft 43, the cross section of the elliptical shaft sleeve 46 is elliptical, and the end portion of the elliptical shaft sleeve 46 abuts against the recess 356 of the concave arc sheet 355. The cross section of the elliptical cam 47 is elliptical, and the elliptical shaft sleeve 46 is fixedly sleeved in the middle of the elliptical shaft sleeve 46. The length of the elliptical cam 47 is less than the length of the elliptical sleeve 46. When the arc-shaped folding pieces 31 are forced to bend, the arc-shaped folding pieces abut against the side edges of the non-woven fabric and even move the side edges of the non-woven fabric inwards, and in order to avoid the middle arch of the non-woven fabric, the rotating cylinder 41 is used for driving the elliptical cam 47 to rotate when driving the cylindrical shaft 43 to rotate, so that the elliptical cam 47 is used for pressing the non-woven fabric intermittently and driving the middle of the non-woven fabric to convey the non-woven fabric downstream. The major axis of the cross-section of the elliptical sleeve 46 is perpendicular to the major axis of the cross-section of the elliptical cam 47. After the thickness of the nose bridge becomes small, the elliptical cam 47 is used to drive the elliptical boss 46 to rotate for making the elliptical boss 46 bias against the guide piece 35 to press the guide surface 357 on the guide piece 35 to fit the upper surface of the nose bridge for adaptation. When the arc-shaped folding piece 31 is driven to deflect, the elliptical shaft sleeve 46 can rotate, and after the arc-shaped folding piece 31 deflects to the position, the elliptical shaft sleeve 46 can be driven to rotate until the long axis of the cross section of the elliptical shaft sleeve is in the water level position, so that the nose bridge strip is prevented from being influenced. Through setting up skew subassembly 40, can drive arc and turn over the piece 31 and deflect on the one hand to improve the guide effect of turning over the non-woven fabrics, on the other hand can promote the non-woven fabrics to move downstream in step, with avoiding non-woven fabrics middle part hunch-up, on the other hand, when needs, can rotate oval axle sleeve 46, with the change to the dynamics of holding down by pressure of guide piece 35, improve the adaptability to the less bridge of the nose strip of thickness.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. A mask machine is characterized by comprising a conveying assembly and a nose bridge strip guide pipe structure, wherein the conveying assembly comprises a conveying track and a partition plate, the conveying track comprises a conveying bottom plate and two retaining side plates, the conveying bottom plate is used for conveying non-woven fabrics, the two retaining side plates are respectively arranged on two opposite sides of the conveying bottom plate, one side of the partition plate is fixed on one of the retaining side plates, a guide interval is formed between the other side of the partition plate and the other retaining side plate, the nose bridge strip guide pipe structure comprises an arc-shaped turnover piece for the non-woven fabrics, a mounting strip, a steel fin and a guide cylinder, the bottom edge of the arc-shaped turnover piece is mounted on one of the retaining side plates, the top of the arc-shaped turnover piece is positioned above the guide interval, the mounting strip is fixed on the partition plate, one end of the steel fin is mounted on the mounting strip, the other, the guide cylinder is located guide interval top, has seted up on the lateral wall of guide cylinder and has warp logical groove, and the guide cylinder is used for guiding the bridge of the nose strip, warp to install concave arc piece in the logical groove, and concave arc piece is used for holding down the indent deformation at steel fin's pressure so that the guide cylinder becomes flat, and the arc turns over the piece of folding and is used for making the side of the non-woven fabrics of guide cylinder low reaches to turn over on the bridge of the nose strip.
2. The mask machine according to claim 1, wherein the inner diameter of the guide cylinder is gradually reduced in the direction of conveyance of the nonwoven fabric, the deformation groove is provided on a side of the guide cylinder facing the mounting bar, the guide cylinder includes a large end and a small end which are disposed opposite to each other, the deformation groove penetrates the small end of the guide cylinder, and the small end faces downstream in the direction of conveyance of the nonwoven fabric.
3. The mask machine according to claim 2, wherein the concave arc piece is located at the large end of the guide cylinder, a strip-shaped groove is formed on the concave arc piece, the strip-shaped groove faces the mounting strip, and a non-woven fabric transfer gap is formed between the partition plate and the transfer base plate.
4. The mask machine according to claim 3, wherein the concave arc piece is made of a metal thin plate, the cross section of the mounting bar is rectangular, and the mounting bar is parallel to the retaining side plate.
5. The mask machine according to claim 4, wherein the mounting bar is concavely provided with a mounting groove, the bottom surface of the mounting groove is provided with a screw hole, a plurality of rectangular gaskets are arranged in the mounting groove, the steel fin is supported on the rectangular gaskets, and the bolt is inserted into the steel fin and the rectangular gaskets and screwed into the screw hole.
6. The mask machine according to claim 5, wherein the edge of the steel fin is recessed inwardly to form an arc groove, the bolt is inserted into the arc groove, and the periphery of the small end of the guide cylinder is protruded outwardly to form a plurality of guide pieces.
7. The mask machine according to claim 6, wherein the plurality of guide pieces are formed in a circle, each guide piece comprises an extension piece body and a concave arc piece body which are connected with each other, the extension piece body is protruded from a small end to the outside along a straight line, the concave arc piece body is extended from an end part of the extension piece body to an outer arc line, a concave is formed on the outer surface of the concave arc piece body, and a guide surface is formed on the side away from the concave.
8. The mask machine according to claim 7, wherein the guide surface is used for limiting and guiding the nose bridge piece, one end of the arc-shaped turnover piece is convexly provided with a bending part, the bending part is positioned at the downstream of the small end of the guide cylinder, the bottom edge of the large end of the guide cylinder is fixed at the edge of the partition plate, and the end part of the steel fin is fixed at the top of the large end of the guide cylinder.
9. A nose bridge bar duct structure of a mask machine according to claim 1.
10. A nose bridge strip guide structure according to claim 9, wherein the inner diameter of the guide cylinder is gradually reduced along the conveying direction of the nonwoven fabric, the deformation through groove is formed on the side of the guide cylinder facing the mounting strip, the guide cylinder comprises a large end and a small end which are oppositely arranged, the deformation through groove penetrates through the small end of the guide cylinder, the small end faces the downstream of the conveying direction of the nonwoven fabric, the concave arc piece is located at the large end of the guide cylinder, a strip-shaped groove is formed on the concave arc piece, the strip-shaped groove faces the mounting strip, a nonwoven fabric conveying gap is formed between the partition plate and the conveying bottom plate, the concave arc piece is made of a metal sheet, the cross section of the mounting strip is rectangular, and the mounting strip is parallel to the retaining side plate.
CN202010549444.6A 2020-06-16 2020-06-16 Mask machine and nose bridge strip pipe structure thereof Active CN111873460B (en)

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WO2019176998A1 (en) * 2018-03-14 2019-09-19 花王株式会社 Heating tool
EP3262961B1 (en) * 2016-06-21 2020-01-29 Euronda SpA Disposable surgical mask
CN111165937A (en) * 2020-01-27 2020-05-19 梅雪竹 Local extruded disinfection formula gauze mask of different facial recesses of adaptation

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