Three-dimensional mask conducive to rapid automated production and production method thereof

Abstract

The present invention provides a three-dimensional mask and a production method thereof that are conducive to rapid and automated production, comprising: after the mask body is unfolded, it includes a left flap and a right flap that are integrated and symmetrically distributed, an elastic band is symmetrically arranged on the outer sides of the left and right flaps, the elastic band is a U-shaped body, and the opening of the U-shaped body is connected to the edges of the left and right flaps; the orientation of the opening of the U-shaped body is parallel to the symmetry line of the left and right flaps; the elastic band includes: a pair of laminated non-woven fabrics, and a plurality of elastic bands or elastic spandex yarns or shrink films that are horizontally alternately distributed in the pair of non-woven fabrics. Since the continuous elastic substrate layer can be quickly formed, transmitted and generated into a U-shaped body on the production line during production, the U-shaped body is automatically connected to the mask body by ultrasonic welding, which is convenient for rapid and automated production, can greatly improve production efficiency, shorten production time, save time and labor, and can greatly alleviate the blowout demand for masks due to sudden social public health safety incidents.

Description

Technical Field

[0001] The invention relates to the technical field of medical and sanitary products, in particular to a three-dimensional mask which is conducive to rapid and automated production and a production method thereof. Background Art

[0002] The existing three-dimensional mask includes a mask body and elastic bands on both sides thereof for hanging on the user's ears; the disadvantage is that during production, the two elastic bands need to be manually bent symmetrically and transferred to the mask body and aligned, and then the elastic bands are fixed on both sides of the mask respectively. This production process is time-consuming and requires manual operation, which is time-consuming and labor-intensive, and is not conducive to continuous and rapid production. How to provide a mask that reduces production time is a technical problem to be solved in this field. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide a three-dimensional mask with a simple structure and conducive to rapid and automated production.

[0004] In order to solve the above technical problems, the three-dimensional mask provided by the present invention comprises: when the mask body is unfolded, it comprises a left flap and a right flap which are integrated with each other and symmetrically distributed, the elastic band is symmetrically arranged on the outer sides of the left and right flaps, the elastic band is a U-shaped body, and the opening of the U-shaped body is connected to the edges of the left and right flaps; it is characterized in that the direction of the opening of the U-shaped body is parallel to the symmetry line of the left and right flaps; the elastic band comprises: a pair of laminated non-woven fabrics, and a plurality of rubber bands or elastic spandex yarns or shrink films distributed in the pair of non-woven fabrics at intervals in the transverse direction.

[0005] After the left and right flaps of the mask body are folded in half along the symmetry line, the herringbone bottom edges of the left and right flaps are connected by ultrasonic welding.

[0006] A pair of heads of the U-shaped body are ultrasonically welded to the edges of the left and right petals.

[0007] The elastic band or the spandex yarn or the shrink film is bonded between the pair of non-woven fabrics.

[0008] Preferably, SAP particles are scattered in the mask body to ensure that the mask is always in a dry state, avoid bacterial growth, and extend the service life of the mask.

[0009] A plurality of reinforcing ribs formed by ultrasonically welding the materials of the left and right petals are distributed on the left and right petals, and the distribution direction of the reinforcing ribs is consistent with the extension direction of the elastic band when in use.

[0010] The left flap or the right flap is provided with a breathing one-way valve.

[0011] A metal strip is transversely arranged on the outer side of the upper edge of the left and right petals, and a sponge strip corresponding to the length of the metal strip is arranged on the inner side of the left and right petals.

[0012] The production method of the three-dimensional mask comprises:

[0013] A. Laying a bottom non-woven fabric, an elastic material, and an upper non-woven fabric in sequence to form an elastic substrate layer extending in length; the elastic material is rubber band or elastic spandex yarn or shrink film;

[0014] B. performing ultrasonic welding on the elastic substrate layer to obtain two rows of a plurality of the U-shaped bodies arranged alternately along the length of the elastic substrate layer;

[0015] C. Send the two rows of multiple U-shaped bodies to one side of multiple mask bodies that are continuously connected and in an unfolded state, punch out the two U-shaped bodies aligned in the width direction of the elastic substrate layer, and transfer them to corresponding positions on the corresponding mask bodies through an adsorption mechanism; then connect the opening of each U-shaped body to the corresponding edge of the corresponding mask body through ultrasonic welding;

[0016] D. Repeat the above step C to obtain a plurality of masks connected continuously; cut the plurality of masks connected continuously respectively, and then fold the left and right petals of the mask body along the above symmetry line, connect the herringbone bottom edges of the left and right petals by ultrasonic welding, and then package, to obtain a plurality of finished masks.

[0017] The technical effects of the present invention are as follows: (1) The mask of the present invention is formed into a U-shaped belt used as an elastic belt. When in use, the user puts the bottom of a pair of U-shaped bodies on the two ears of the user respectively, and the mask is worn. Since the continuous elastic substrate layer can be quickly formed, conveyed and formed into a U-shaped body on the production line during production, the U-shaped body is automatically connected to the mask body by ultrasonic welding, which is convenient for automatic and rapid production, avoiding the problem of manually fixing the elastic belt one by one in the prior art, which can greatly improve production efficiency, shorten production time, save time and labor, and greatly alleviate the blowout demand for masks due to sudden social public health safety incidents. (2) In the disposable protective mask of the present invention, the polymer water-absorbing resin particles (i.e., SAP) in the medical mask are scattered and distributed, and cannot agglomerate after absorbing water, so that each SAP particle is suitable for fully absorbing water, thereby greatly improving the water absorption utilization rate of SAP, so as to ensure that the mask is always in a dry state, avoid the breeding of bacteria, and extend the service life of the mask; the scattered distribution of SAP does not affect the respiratory function of the medical mask. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention is further described in detail below in conjunction with the accompanying drawings:

[0019] Figure 1 It is a schematic diagram of the structure of the mask body of the present invention after it is unfolded;

[0020] Figure 2 yes Figure 1 A schematic diagram of the structure of the mask body after the elastic band is set;

[0021] Figure 3 yes Figure 1 Schematic diagram of the structure of the mask body after being folded in half along the symmetry line;

[0022] Figure 4 yes Figure 1 The usage status diagram of the mask in ;

[0023] Figure 5 It is a schematic diagram of the structure when multiple mask bodies connected to each other are transported along the production line;

[0024] Figure 6 is a schematic structural diagram of two rows of U-shaped bodies obtained by ultrasonic welding of the elastic substrate layer in the embodiment;

[0025] Figure 7 It is a schematic diagram of the distribution structure of the elastic substrate layer and multiple mask bodies on the production line of the embodiment;

[0026] Figure 8 It is a structural schematic diagram of connecting the openings of the above-mentioned U-shaped bodies to the mask body;

[0027] In the figure: mask body 1, left flap 1-1, right flap 1-2, bottom edge 1-3, reinforcing ribs 1-4, metal strip 1-5, elastic band 2, head 2-1, breathing one-way valve 4. DETAILED DESCRIPTION Example

[0028] like Figures 1 to 4 As shown, the disposable protective mask of this embodiment includes: the mask body 1 includes a left flap 1-1 and a right flap 1-2 which are integrated and symmetrically distributed after being unfolded, the elastic band 2 is symmetrically arranged on the outer sides of the left and right flaps, the elastic band 2 is a U-shaped body, and the opening 2-1 of the U-shaped body is connected to the edges of the left and right flaps; it is characterized in that: the direction of the opening 2-1 of the U-shaped body is parallel to the symmetry line of the left and right flaps; the elastic band 2 includes: a pair of laminated non-woven fabrics, and a plurality of rubber bands or elastic spandex yarns or shrink films distributed transversely alternately in the pair of non-woven fabrics.

[0029] After the left and right flaps of the mask body 1 are folded along the above-mentioned symmetry line, the herringbone bottom edges 1-3 of the left and right flaps are connected by ultrasonic welding.

[0030] A pair of heads 2-1 of the U-shaped body are connected to the edges of the left and right lobes by ultrasonic welding.

[0031] The left and right petals are provided with a plurality of reinforcing ribs 1-4 formed by ultrasonically welding the materials of the left and right petals, and the distribution direction of the reinforcing ribs is consistent with the extension direction of the elastic band 2 during use.

[0032] A breathing one-way valve 4 is arranged on the left flap 1 - 1 or the right flap 1 - 2 .

[0033] A metal strip 1-5 is transversely arranged on the outer side of the upper edge of the left and right petals, and a sponge strip corresponding to the length of the metal strip 1-5 is arranged on the inner side of the left and right petals.

[0034] The elastic band or the spandex yarn or the shrink film is bonded between the pair of non-woven fabrics.

[0035] Preferably, SAP particles are scattered in the mask body to ensure that the mask is always in a dry state, avoid bacterial growth, and extend the service life of the mask.

[0036] The shrink film is a heat-shrinkable polyester film.

[0037] like Figure 5-8 The production method of the above-mentioned mask comprises:

[0038] The production method of the three-dimensional mask comprises:

[0039] A. Laying a bottom non-woven fabric, an elastic material, and an upper non-woven fabric in sequence to form an elastic substrate layer extending in length; the elastic material is rubber band or elastic spandex yarn or shrink film;

[0040] B. performing ultrasonic welding on the elastic substrate layer to obtain two rows of a plurality of the U-shaped bodies arranged alternately along the length of the elastic substrate layer;

[0041] C. Sending the two rows of multiple U-shaped bodies to one side of multiple mask bodies that are continuously connected and in an unfolded state, punching out the two U-shaped bodies aligned in the width direction of the elastic substrate layer and transferring them to corresponding positions on the corresponding mask bodies through an adsorption mechanism; and then connecting the openings (2-1) of each U-shaped body to corresponding edges of the corresponding mask bodies through ultrasonic welding;

[0042] D. Repeat the above step C to obtain a plurality of masks connected continuously; cut the plurality of masks connected continuously respectively, and then fold the left and right petals of the mask body 1 along the above symmetry line, connect the herringbone bottom edges 1-3 of the left and right petals by ultrasonic welding, and then package, to obtain a plurality of finished masks. Example

[0043] Based on Example 1, this example has the following variations:

[0044] The elastic belt layer 2 is an elastic non-woven fabric.

[0045] Obviously, the above embodiments are merely examples for clearly explaining the present invention, and are not intended to limit the implementation methods of the present invention. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. However, these obvious changes or modifications derived from the spirit of the present invention are still within the protection scope of the present invention.

Claims

1. A method for producing a three-dimensional mask, the three-dimensional mask comprising a mask body (1), the mask body (1) comprising a left flap (1-1) and a right flap (1-2) which are integral and symmetrically distributed when unfolded, an elastic band (2) being symmetrically arranged on the outer sides of the left and right flaps, the elastic band (2) being a U-shaped body, the opening (2-1) of the U-shaped body being connected to the edges of the left and right flaps; characterized in that: The opening (2-1) of the U-shaped body is oriented parallel to the symmetry line (0) of the left and right petals; the elastic band (2) comprises: a pair of laminated non-woven fabrics, and a plurality of elastic bands or stretch spandex yarns or shrink films that are alternately distributed in the pair of non-woven fabrics transversely; After the left and right flaps of the mask body (1) are folded in half along the above-mentioned symmetry line, the herringbone-shaped bottom edges (1-3) of the left and right flaps are connected by ultrasonic welding; A pair of heads (2-1) of the U-shaped body are ultrasonically welded to the edges of the left and right lobes; The production method of the three-dimensional mask comprises: Step A, laying a bottom non-woven fabric, an elastic material, and an upper non-woven fabric in sequence to form an elastic substrate layer extending in length; the elastic material is rubber band or elastic spandex yarn or shrink film; Step B, performing ultrasonic welding on the elastic substrate layer to obtain two rows of a plurality of U-shaped bodies arranged alternately along the length of the elastic substrate layer; Step C, sending the two rows of multiple U-shaped bodies to one side of multiple mask bodies that are continuously connected and in an unfolded state, punching out the two U-shaped bodies aligned in the width direction of the elastic substrate layer, and transferring them to corresponding positions on the corresponding mask bodies through an adsorption mechanism; and then connecting the openings (2-1) of each U-shaped body to the corresponding edges of the corresponding mask bodies through ultrasonic welding; Step D, repeating the above step C to obtain a plurality of masks connected continuously; cutting the plurality of masks connected continuously respectively, and then folding the left and right petals of the mask body (1) along the above symmetry line, connecting the herringbone bottom edges (1-3) of the left and right petals by ultrasonic welding, and then packaging, to obtain a plurality of finished masks.

2. The production method according to claim 1, characterized in that The elastic band or spandex yarn or shrink film (3) is bonded between the pair of non-woven fabrics.

3. The production method according to claim 2, characterized in that: SAP particles are scattered in the mask body (1).

4. The production method according to any one of claims 1 to 3, characterized in that: A plurality of reinforcing ribs (1-4) formed by ultrasonically welding the materials of the left and right lobes are distributed on the left and right lobes, and the distribution direction of the reinforcing ribs is consistent with the extension direction of the elastic band (2) when in use.

5. The production method according to any one of claims 1 to 3, characterized in that: A breathing one-way valve (4) is provided on the left flap (1-1) or the right flap (1-2).

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