Automatic mask machine with elastic cloth ear straps

Abstract

The present invention discloses an automatic mask machine with elastic cloth ear straps, comprising a frame assembly, wherein at least an edge sealing welding assembly, an ear strap conveying assembly, an ear strap slitting welding assembly, a mask drawing assembly and a mask slitting assembly are sequentially arranged along the direction of travel of the mask cloth; the edge sealing welding assembly serves as the entrance of the mask cloth and is used to weld the mask cloth; the ear strap conveying assembly serves as the entrance of the ear strap and is used to convey the ear strap; the ear strap slitting welding assembly is used to slit the ear strap and weld the slit ear strap to the mask cloth; the mask drawing assembly is used to convey the mask cloth with the ear straps welded thereon; and the mask slitting assembly is used to cut the mask cloth with the ear straps welded thereon to obtain an independent finished mask. Since the present invention completes the welding of the ear straps before the mask is cut into pieces, the efficiency and quality of the ear strap welding are improved to the greatest extent, thereby greatly improving the production efficiency of the mask.

Description

Technical Field

[0001] The invention relates to the technical field of mask machines, and in particular to an automatic mask machine with elastic cloth ear straps. Background Art

[0002] In the existing manufacturing process of disposable masks, the mask body is generally folded and cut into pieces first, and then the ear straps are manually welded. This method is labor-intensive and has low production efficiency.

[0003] In order to reduce labor intensity and improve production efficiency, Chinese patents with publication numbers CN207754590U and CN207754591U appeared. They are both mask machines with rear-end automatic ear strap welding function. After the mask is formed into pieces, the ear straps are welded by independent ear strap welding modules. The structure is complex and difficult to debug. In the actual production process, there are problems such as low ear strap welding efficiency, low ear strap welding yield, and high failure rate that restrict the production capacity of the mask machine. Summary of the invention

[0004] In order to overcome the deficiencies of the above technologies, the present invention provides an automatic mask machine with elastic cloth ear straps. Since the welding of the ear straps is completed before the mask is cut into pieces, the efficiency and quality of the ear strap welding are improved to the greatest extent, thereby greatly improving the production efficiency of the mask. The automatic mask machine has the advantages of simple structure and low equipment failure rate.

[0005] The technical solution adopted by the present invention to overcome the technical problems is:

[0006] An elastic cloth ear strap automatic mask machine, comprising a frame assembly, on which at least an edge sealing welding assembly, an ear strap conveying assembly, an ear strap slitting and welding assembly, a mask pulling assembly and a mask slitting assembly are sequentially arranged along the direction of mask cloth travel; wherein,

[0007] The edge sealing welding assembly serves as an inlet for the mask fabric and is used to weld the mask fabric;

[0008] The ear band conveying assembly serves as an entrance for the ear band and is used to convey the ear band;

[0009] The ear band slitting and welding assembly at least includes an ear band slitting assembly and an ear band welding assembly arranged behind the ear band slitting assembly. The mask fabric is welded by the edge sealing welding assembly and then transported to the ear band welding assembly. The ear bands are transported to the ear band slitting assembly by the ear band transporting assembly for slitting and then transported to the ear band welding assembly. The ear band welding assembly is used to weld the ear bands to the mask fabric.

[0010] The mask pulling assembly is used to convey mask fabric with ear straps welded thereon;

[0011] The mask cutting assembly is used to cut the mask fabric with the ear straps welded thereto to obtain independent finished masks.

[0012] Furthermore, the frame assembly at least includes a base plate, side panel one and side panel two, the side panel one and side panel two are parallel to each other and vertically fixed above the base plate, and a mask welding and cutting channel is formed between the side panel one and the side panel two.

[0013] Furthermore, the edge banding welding assembly includes at least an edge banding ultrasonic welding lower mold and an edge banding welding roller, wherein the edge banding ultrasonic welding lower mold is fixed on the base plate, the edge banding welding roller is arranged directly above the edge banding ultrasonic welding lower mold and the two ends of the edge banding welding roller are respectively rotatably arranged on side plate one and side plate two.

[0014] Furthermore, the ear band conveying assembly at least includes an ear band conveying upper roller and an ear band conveying lower roller, wherein both ends of the ear band conveying upper roller and both ends of the ear band conveying lower roller are rotatably disposed on side plate one and side plate two, respectively, and the surface of the ear band conveying upper roller is in contact with the surface of the ear band conveying lower roller.

[0015] Furthermore, the ear band slitting assembly at least includes an ear band cutting knife pillow and an ear band cutting knife roller, and the ear band welding assembly at least includes an ear band ultrasonic welding lower die and an ear band welding roller, wherein the ear band ultrasonic welding lower die is fixed on the base plate, and the ear band welding roller is arranged directly above the ear band ultrasonic welding lower die, and both ends of the ear band cutting knife pillow, both ends of the ear band cutting knife roller and both ends of the ear band welding roller are rotatably arranged on the side panel one and the side panel two respectively, and the ear band cutting knife pillow and the ear band cutting knife roller are arranged in sequence from bottom to top between the edge banding ultrasonic welding lower die and the ear band ultrasonic welding lower die, and the surface of the ear band cutting knife pillow is in contact with the surface of the ear band cutting knife roller, and the ear band cutting knife roller is provided with a linear cutting blade along the direction of the roller generatrix.

[0016] Furthermore, the ear band slitting assembly also includes an ear band guide plate, the rear end of the ear band guide plate is fixed between the ear band cutting knife pillow and the ear band cutting knife roller, the front end extends between the ear band conveying upper roller and the ear band conveying lower roller, and the guide surface of the ear band guide plate is perpendicular to the side panel one and the side panel two.

[0017] Furthermore, a section of ear band welding teeth is symmetrically arranged at both ends of the roller surface of the ear band welding roller along the circumference of the roller.

[0018] Furthermore, the mask material pulling assembly includes at least a mask material pulling lower roller and a mask material pulling upper roller, wherein both ends of the mask material pulling lower roller and both ends of the mask material pulling upper roller are rotatably arranged on side plate one and side plate two, respectively, and the surface of the mask material pulling lower roller is in contact with the surface of the mask material pulling upper roller.

[0019] Furthermore, the mask slitting assembly at least includes a mask slitting knife pillow and a mask slitting knife roller, wherein both ends of the mask slitting knife pillow and both ends of the mask slitting knife roller are rotatably arranged on side plate one and side plate two respectively, and the surface of the mask slitting knife pillow is in contact with the surface of the mask slitting knife roller, and the mask slitting knife roller is provided with a linear cutting blade along the direction of the roller generatrix.

[0020] Furthermore, it also includes a mask separation component arranged on the frame component, and the mask separation component is arranged behind the mask slitting component along the traveling direction of the mask fabric; the mask separation component at least includes a mask separation lower roller and a mask separation upper roller, wherein both ends of the mask separation lower roller and both ends of the mask separation upper roller are respectively rotatably arranged on the side plate one and the side plate two, and the surface of the mask separation lower roller is in contact with the surface of the mask separation upper roller.

[0021] The beneficial effects of the present invention are:

[0022] The invention can straightly cut the elastic cloth ear straps along a direction perpendicular to the traveling direction of the mask cloth, and the cutting reliability is high. The cut elastic ear strap cloth is directly welded to the mask cloth after edge sealing. Since the ear strap welding is completed before the mask is cut into pieces, the efficiency and quality of the ear strap welding are improved to the greatest extent, thereby greatly improving the production efficiency of the mask. The automatic mask machine has the advantages of simple structure, low equipment failure rate, etc. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the elastic cloth ear strap automatic mask machine in this embodiment.

[0024] Figure 2 It is a structural schematic diagram of the frame assembly in the elastic cloth ear strap automatic mask machine of this embodiment.

[0025] Figure 3 It is a structural schematic diagram of the edge sealing and welding assembly in the elastic cloth ear strap automatic mask machine of this embodiment.

[0026] Figure 4 It is a schematic diagram of the structure of the ear strap conveying assembly in the elastic cloth ear strap automatic mask machine of this embodiment.

[0027] Figure 5 It is a structural schematic diagram of the ear strap cutting and welding assembly in the elastic cloth ear strap automatic mask machine of this embodiment.

[0028] Figure 6 It is a structural schematic diagram of the ear strap welding roller in the elastic cloth ear strap automatic mask machine of this embodiment.

[0029] Figure 7 It is a structural schematic diagram of the mask drawing assembly in the elastic cloth ear strap automatic mask machine of this embodiment.

[0030] Figure 8 It is a structural schematic diagram of the mask cutting assembly in the elastic cloth ear strap automatic mask machine of this embodiment.

[0031] Fig. 9 It is a structural schematic diagram of the mask separation assembly in the elastic cloth ear strap automatic mask machine of this embodiment.

[0032] Fig.10 It is a schematic diagram of the mask forming structure in the automatic mask machine with elastic cloth ear straps in this embodiment.

[0033] Fig.11 It is a schematic structural diagram of the elastic cloth ear strap mask in the elastic cloth ear strap automatic mask machine of the present embodiment. DETAILED DESCRIPTION

[0034] In order to facilitate those skilled in the art to better understand the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. The following is only exemplary and does not limit the protection scope of the present invention.

[0035] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "inside", "outside", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0036] like Figure 1 As shown, an elastic cloth ear strap automatic mask machine described in this embodiment includes a frame assembly 1, on which at least an edge sealing welding assembly 2, an ear strap conveying assembly 3, an ear strap slitting and welding assembly 4, a mask pulling assembly 5, a mask slitting assembly 6 and a mask separation assembly 7 are sequentially provided along the traveling direction of the mask cloth. Among them, the edge sealing welding component 2 serves as the entrance of the mask fabric and is used to weld the mask fabric; the ear band conveying component 3 serves as the entrance of the ear band (for the convenience of description, the "elastic cloth ear band" is referred to as "ear band" in the present invention) and is used to convey the ear band; the ear band slitting and welding component 4 at least includes an ear band slitting component and an ear band welding component arranged behind the ear band slitting component. The mask fabric is welded by the edge sealing welding component 2 and then conveyed to the ear band welding component. The ear band is conveyed to the ear band slitting component through the ear band conveying component 3 for slitting and then conveyed to the ear band welding component. The ear band welding component is used to weld the ear band to the mask fabric; the mask pulling component 5 is used to convey the mask fabric with ear bands welded thereon; the mask slitting component 6 is used to cut the mask fabric with ear bands welded thereon to obtain an independent finished mask; the mask separation component 7 is used to separate the independent finished mask obtained by the mask slitting component 6 from the mask fabric.

[0037] In this embodiment, Figure 2 As shown, the frame assembly 1 at least includes a base plate 1A, a side plate 1B and a side plate 2 1C; the side plate 1B and the side plate 2 1C are parallel to each other and vertically fixed above the base plate 1A, and a mask welding and cutting channel is formed between the side plate 1B and the side plate 2 1C. One end of the mask welding and cutting channel close to the edge sealing welding assembly 2 is the mask welding and cutting channel entrance 1D, and the other end is the mask welding and cutting channel exit 1E. Fig.10 As shown, the mask fabric 8 enters from the mask welding and cutting channel inlet 1D, and the finished mask 10 comes out from the mask welding and cutting channel outlet 1E.

[0038] In this embodiment, Figure 3 As shown, the edge banding welding assembly 2 at least includes an edge banding ultrasonic welding lower die 2A and an edge banding welding roller 2B; wherein, the edge banding ultrasonic welding lower die 2A is fixed on the base plate 1A and is arranged at the entrance 1D of the mask welding cutting channel, and the edge banding welding roller 2B is arranged directly above the edge banding ultrasonic welding lower die 2A and the two ends of the edge banding welding roller 2B are rotatably arranged on the side plate 1B and the side plate 2 1C respectively. Specifically, the edge banding welding roller 2B is rotatably arranged on the side plate 1B and the side plate 2 1C through a bearing seat, and the rotation axis of the edge banding welding roller 2B is perpendicular to the side plate 1B and the side plate 2 1C. In addition, as Fig.10 As shown, an ultrasonic transducer is provided below the edge-sealing ultrasonic welding lower mold 2A to provide high-frequency vibration for the edge-sealing ultrasonic welding lower mold 2A.

[0039] In this embodiment, Figure 4 As shown, the ear band conveying assembly 3 at least includes an upper ear band conveying roller 3A and a lower ear band conveying roller 3B; wherein, the upper ear band conveying roller 3A and the lower ear band conveying roller 3B are arranged behind the edge band welding assembly 2 along the traveling direction of the mask fabric, and both ends of the upper ear band conveying roller 3A and both ends of the lower ear band conveying roller 3B are rotatably arranged on the side plate 1B and the side plate 2 1C respectively. Specifically, the upper ear band conveying roller 3A and the lower ear band conveying roller 3B are rotatably arranged on the side plate 1B and the side plate 2 1C through the bearing seat, and the rotating shaft of the upper ear band conveying roller 3A and the rotating shaft of the lower ear band conveying roller 3B are respectively perpendicular to the side plate 1B and the side plate 2 1C; the surface of the upper ear band conveying roller 3A is in contact with the surface of the lower ear band conveying roller 3B. As shown Fig.10 As shown, the ear band 9 passes between the ear band conveying upper roller 3A and the ear band conveying lower roller 3B, the rotation directions of the ear band conveying upper roller 3A and the ear band conveying lower roller 3B are opposite, and the ear band 9 is continuously conveyed backward with the rotation of the ear band conveying upper roller 3A and the ear band conveying lower roller 3B, wherein the traveling speed of the ear band 9 is slower than the traveling speed of the mask cloth 8, and the width of the ear band can be adjusted by adjusting the relative speed between the ear band 9 and the mask cloth 8.

[0040] In this embodiment, Figure 5 and 10 As shown, the ear band slitting assembly at least includes an ear band cutting knife pillow 4B and an ear band cutting knife roller 4D, and the ear band welding assembly at least includes an ear band ultrasonic welding lower mold 4A and an ear band welding roller 4E; wherein, the ear band ultrasonic welding lower mold 4A is fixed on the base plate 1A, and is arranged behind the edge sealing welding assembly 2 along the direction of travel of the mask fabric, and the ear band welding roller 4E is arranged directly above the ear band ultrasonic welding lower mold 4A, and both ends of the ear band cutting knife pillow 4B, both ends of the ear band cutting knife roller 4D and both ends of the ear band welding roller 4E are rotatably arranged on the side plate 1B and the side plate 2 1C, respectively. Specifically, the ear band welding roller 4E is rotatably arranged on the side plate 1B and the side plate 2 1C through a bearing seat; the ear band cutting knife pillow 4B and the ear band cutting knife roller 4D are arranged on the edge sealing ultrasonic welding lower mold 4A from bottom to top in sequence. Between the sonic welding lower die 2A and the ear strap ultrasonic welding lower die 4A, the rotating axes of the ear strap cutting knife pillow 4B and the ear strap cutting knife roller 4D are perpendicular to the side panel 1B and the side panel 2 1C; the surface of the ear strap cutting knife pillow 4B fits with the surface of the ear strap cutting knife roller 4D, and the ear strap 9 passes between the ear strap cutting knife pillow 4B and the ear strap cutting knife roller 4D; the ear strap cutting knife roller 4D is provided with a linear cutting blade along the direction of the roller generatrix, and the ear strap cutting knife pillow 4B and the ear strap cutting knife roller 4D rotate in opposite directions. The ear strap 9 is continuously transported backward and cut off as the ear strap cutting knife pillow 4B and the ear strap cutting knife roller 4D rotate. The cut ear strap 9A enters between the ear strap ultrasonic welding lower die 4A and the ear strap welding roller 4E, and is attached to the upper surface of the mask fabric 8 through ultrasonic welding. In addition, as Fig.10 As shown, an ultrasonic transducer is provided below the earband ultrasonic welding lower mold 4A to provide high-frequency vibration for the earband ultrasonic welding lower mold 4A.

[0041] Furthermore, if Figure 5 and 10 As shown, the ear band slitting assembly also includes an ear band guide plate 4C, the rear end of the ear band guide plate 4C is fixed between the ear band cutting knife pillow 4B and the ear band cutting knife roller 4D, the front end extends to between the ear band conveying upper roller 3A and the ear band conveying lower roller 3B, and the guide surface of the ear band guide plate 4C is perpendicular to the side plate 1B and the side plate 2 1C; the ear band guide plate 4C is used to receive the ear band 9 conveyed by the ear band conveying assembly 3, so as to better assist the ear band to be conveyed backward.

[0042] Furthermore, if Figure 6 As shown, at both ends of the roller surface of the ear band welding roller 4E, a section of ear band welding teeth 4E1 are symmetrically arranged along the circumference of the roller. Generally speaking, the length of the ear band welding teeth 4E1 is about one third of the circumference of the roller surface of the ear band welding roller 4E. The ear band welding roller 4E is used to weld the ear bands 9A to both sides of the mask fabric 8 along the traveling direction.

[0043] In this embodiment, Figure 7 As shown, the mask material pulling assembly 5 at least includes a mask material pulling lower roller 5A and a mask material pulling upper roller 5B, wherein the mask material pulling lower roller 5A and the mask material pulling upper roller 5B are arranged behind the ear band slitting and welding assembly 4 along the traveling direction of the mask fabric, and both ends of the mask material pulling lower roller 5A and both ends of the mask material pulling upper roller 5B are respectively rotatably arranged on the side plate 1B and the side plate 2 1C. Specifically, the mask material pulling lower roller 5A and the mask material pulling upper roller 5B are both rotatably arranged on the side plate 1B and the side plate 2 1C through the bearing seat, and the rotating axes of the mask material pulling lower roller 5A and the mask material pulling upper roller 5B are respectively perpendicular to the side plate 1B and the side plate 2 1C; the surface of the mask material pulling lower roller 5A is in contact with the surface of the mask material pulling upper roller 5B. As shown Fig.10 As shown, the mask fabric 8 passes between the mask material pulling lower roller 5A and the mask material pulling upper roller 5B. The rotation directions of the mask material pulling lower roller 5A and the mask material pulling upper roller 5B are opposite. The mask fabric 8 is continuously transported backward with the rotation of the mask material pulling lower roller 5A and the mask material pulling upper roller 5B.

[0044] In this embodiment, Figure 8 As shown, the mask slitting assembly 6 at least includes a mask slitting knife pillow 6A and a mask slitting knife roller 6B, wherein the mask slitting knife pillow 6A and the mask slitting knife roller 6B are arranged behind the mask pulling assembly 5 along the direction of travel of the mask fabric, and both ends of the mask slitting knife pillow 6A and the two ends of the mask slitting knife roller 6B are respectively rotatably arranged on the side plate 1B and the side plate 2 1C, specifically, the mask slitting knife pillow 6A and the mask slitting knife roller 6B are rotatably arranged on the side plate 1B and the side plate 2 1C through the bearing seat, and the mask slitting knife pillow 6A and the mask slitting knife roller 6 The rotation axis of B is respectively perpendicular to the side plate 1B and the side plate 2 1C; the surface of the mask slitting knife pillow 6A is in contact with the surface of the mask slitting knife roller 6B, and the mask cloth 8 passes between the mask slitting knife pillow 6A and the mask slitting knife roller 6B; the mask slitting knife roller 6B is provided with a linear cutting blade along the generatrix direction of the roller, and the rotation directions of the mask slitting knife pillow 6A and the mask slitting knife roller 6B are opposite, and the mask cloth 8 is continuously conveyed backward with the rotation of the mask slitting knife pillow 6A and the mask slitting knife roller 6B and is cut at the center of the ear strap to form an independent finished mask 10.

[0045] As a preferred solution, Fig. 9As shown, the elastic cloth ear strap automatic mask machine described in this embodiment also includes a mask separation component 7 arranged on the frame component 1, and the mask separation component 7 is arranged behind the mask cutting component 6 along the traveling direction of the mask cloth. The mask separation component 7 is used to separate the independent finished masks obtained by the mask cutting component 6 from the uncut mask cloth. The mask separation assembly 7 at least includes a mask separation lower roller 7A and a mask separation upper roller 7B, wherein both ends of the mask separation lower roller 7A and both ends of the mask separation upper roller 7B are respectively rotatably arranged on the side plate 1B and the side plate 2 1C, and the mask separation lower roller 7A and the mask separation upper roller 7B are both rotatably arranged on the side plate 1B and the side plate 2 1C through a bearing seat, and the rotation axes of the mask separation lower roller 7A and the mask separation upper roller 7B are respectively perpendicular to the side plate 1B and the side plate 2 1C; the surface of the mask separation lower roller 7A is in contact with the surface of the mask separation upper roller 7B, and the finished mask 10 passes between the mask separation lower roller 7A and the mask separation upper roller 7B, and the rotation directions of the mask separation lower roller 7A and the mask separation upper roller 7B are opposite, and the finished mask 10 is continuously transported backwards and separated from the uncut mask fabric 8 as the mask separation lower roller 7A and the mask separation upper roller 7B rotate.

[0046] In addition, in this embodiment, if Fig.10 As shown, an auxiliary roller assembly 11 is provided on the frame assembly 1 and between the edge sealing welding assembly 2 and the ear band slitting welding assembly 4. The auxiliary roller assembly 11 includes an auxiliary roller 11A and an auxiliary roller 2 11B, which are used to assist the mask fabric 8 in conveying backward. The two ends of the auxiliary roller 11A and the two ends of the auxiliary roller 2 11B are respectively rotatably arranged on the side plate 1B and the side plate 2 1C, and the two rotate in opposite directions, from Fig.10 From the top, the auxiliary roller 11A rotates counterclockwise, and the auxiliary roller 2 11B rotates clockwise.

[0047] The working principle of the elastic cloth ear strap automatic mask machine described in this embodiment is as follows:

[0048] The mask fabric 8 enters from the mask welding and cutting channel entrance 1D, and is laid flat between the edge-sealing ultrasonic welding lower die 2A and the edge-sealing welding roller 2B for fabric welding and edge-sealing. Because disposable masks generally have several layers, several layers of materials need to be welded together; the welded mask fabric 8 passes through the auxiliary roller assembly 11 and enters between the ear band ultrasonic welding lower die 4A and the ear band welding roller 4E; the ear band 9 enters from the mask welding and cutting channel entrance 1D, and is laid flat between the ear band conveying upper roller 3A and the ear band conveying lower roller 3B, and the ear band 9 is continuously conveyed backward by the reverse rotation between the ear band conveying upper roller 3A and the ear band conveying lower roller 3B; the ear band 9 enters between the ear band cutting knife pillow 4B and the ear band cutting knife roller 4D through the ear band guide plate 4C, and the ear band cutting knife pillow 4B and the ear band cutting knife roller 4D rotate in opposite directions, and the ear band 9 is cut while being conveyed forward; the cut ear band 9A enters the mask fabric The mask fabric 8 is placed between the mask fabric 8 and the ear strap welding roller 4E, and the ear strap ultrasonic welding lower mold 4A and the ear strap welding roller 4E weld the slit ear strap 9A to the mask fabric 8, and transmit it to between the mask material drawing lower roller 5A and the mask material drawing upper roller 5B; the mask material drawing lower roller 5A and the mask material drawing upper roller 5B press the mask fabric 8 and convey it backward to between the mask slitting knife pillow 6A and the mask slitting knife roller 6B, the mask slitting knife pillow 6A and the mask slitting knife roller 6B have opposite rotation directions, and the mask fabric 8 is continuously conveyed backward with the rotation of the mask slitting knife pillow 6A and the mask slitting knife roller 6B and is cut at the center of the ear strap to form an independent finished mask 10, and is transmitted to between the mask separation lower roller 7A and the mask separation upper roller 7B, and the mask separation lower roller 7A and the mask separation upper roller 7B accelerate the separation of the finished mask 10 and the unslit mask fabric 8 in the front section, so as to complete the one-piece molding of the flat disposable mask.

[0049] like Fig.11 As shown, the elastic cloth ear strap mask produced by the elastic cloth ear strap automatic mask machine of this embodiment includes a mask piece 10B and two elastic cloth ear straps 10A. The elastic cloth ear straps 10A are symmetrically distributed on both sides of the mask piece 10B. The elastic cloth ear straps 10A can be hung on the ears by stretching. Because of the wider width, the force surface of the ears is uniform, which greatly improves the comfort of the wearer.

[0050] The above only describes the basic principles and preferred embodiments of the present invention. Those skilled in the art may make many changes and improvements based on the above description, and these changes and improvements should fall within the protection scope of the present invention.

Claims

1. An automatic mask machine with elastic cloth ear straps, It is characterized in that The invention comprises a frame assembly (1), on which at least an edge sealing welding assembly (2), an ear strap conveying assembly (3), an ear strap slitting welding assembly (4), a mask pulling assembly (5) and a mask slitting assembly (6) are sequentially arranged along the direction of mask fabric travel; wherein: The edge sealing welding assembly (2) serves as an inlet for the mask fabric and is used to weld the mask fabric; The ear band conveying assembly (3) serves as an entrance of the ear band and is used to convey the ear band; The ear band slitting and welding assembly (4) at least comprises an ear band slitting assembly and an ear band welding assembly arranged behind the ear band slitting assembly; the mask fabric is welded by the edge sealing welding assembly (2) and then transported to the ear band welding assembly; the ear bands are transported to the ear band slitting assembly by the ear band transporting assembly (3) for slitting and then transported to the ear band welding assembly; the ear band welding assembly is used to weld the ear bands to the mask fabric; The mask material drawing component (5) is used to convey the mask fabric with the ear straps welded thereon; The mask cutting assembly (6) is used to cut the mask fabric with the ear straps welded thereto to obtain independent finished masks; The frame assembly (1) comprises at least a base plate (1A), a side plate 1 (1B) and a side plate 2 (1C), wherein the side plate 1 (1B) and the side plate 2 (1C) are parallel to each other and vertically fixed above the base plate (1A), and a mask welding and cutting channel is formed between the side plate 1 (1B) and the side plate 2 (1C); The edge sealing welding assembly (2) comprises at least an edge sealing ultrasonic welding lower die (2A) and an edge sealing welding roller (2B), wherein the edge sealing ultrasonic welding lower die (2A) is fixed on the base plate (1A), the edge sealing welding roller (2B) is arranged directly above the edge sealing ultrasonic welding lower die (2A), and the two ends of the edge sealing welding roller (2B) are rotatably arranged on the side plate 1 (1B) and the side plate 2 (1C), respectively; The ear band conveying assembly (3) comprises at least an ear band conveying upper roller (3A) and an ear band conveying lower roller (3B), wherein both ends of the ear band conveying upper roller (3A) and both ends of the ear band conveying lower roller (3B) are rotatably arranged on the side plate 1 (1B) and the side plate 2 (1C), respectively, and the surface of the ear band conveying upper roller (3A) is in contact with the surface of the ear band conveying lower roller (3B); The earband slitting assembly at least comprises an earband cutting knife pillow (4B) and an earband cutting knife roller (4D), and the earband welding assembly at least comprises an earband ultrasonic welding lower die (4A) and an earband welding roller (4E), wherein the earband ultrasonic welding lower die (4A) is fixed on the base plate (1A), the earband welding roller (4E) is arranged directly above the earband ultrasonic welding lower die (4A), and the two ends of the earband cutting knife pillow (4B), the two ends of the earband cutting knife roller (4D) and the earband Both ends of the welding roller (4E) are rotatably arranged on the side plate 1 (1B) and the side plate 2 (1C), respectively; the ear strap cutting knife pillow (4B) and the ear strap cutting knife roller (4D) are arranged between the edge banding ultrasonic welding lower die (2A) and the ear strap ultrasonic welding lower die (4A) in sequence from bottom to top; the surface of the ear strap cutting knife pillow (4B) is in contact with the surface of the ear strap cutting knife roller (4D); and the ear strap cutting knife roller (4D) is provided with a linear cutting blade along the roller generatrix direction; The mask material drawing assembly (5) comprises at least a mask material drawing lower roller (5A) and a mask material drawing upper roller (5B), wherein both ends of the mask material drawing lower roller (5A) and both ends of the mask material drawing upper roller (5B) are rotatably arranged on the side plate 1 (1B) and the side plate 2 (1C), respectively, and the surface of the mask material drawing lower roller (5A) is in contact with the surface of the mask material drawing upper roller (5B); The mask slitting assembly (6) comprises at least a mask slitting knife pillow (6A) and a mask slitting knife roller (6B), wherein both ends of the mask slitting knife pillow (6A) and both ends of the mask slitting knife roller (6B) are rotatably arranged on a side plate 1 (1B) and a side plate 2 (1C), respectively, and the surface of the mask slitting knife pillow (6A) is in contact with the surface of the mask slitting knife roller (6B), and the mask slitting knife roller (6B) is provided with a linear cutting blade along the roller generatrix direction.

2. The elastic cloth ear strap automatic mask machine according to claim 1, It is characterized in that The ear band slitting assembly further comprises an ear band guide plate (4C), the rear end of the ear band guide plate (4C) being fixed between the ear band cutting knife pillow (4B) and the ear band cutting knife roller (4D), the front end of the ear band guide plate (4C) extending between the ear band conveying upper roller (3A) and the ear band conveying lower roller (3B), and the guide surface of the ear band guide plate (4C) being perpendicular to the side plate 1 (1B) and the side plate 2 (1C).

3. The elastic cloth ear strap automatic mask machine according to claim 1, It is characterized in that A section of ear band welding teeth (4E1) is symmetrically arranged at both ends of the roller surface of the ear band welding roller (4E) along the circumference of the roller.

4. The automatic mask machine with elastic cloth ear straps according to any one of claims 1 to 3, It is characterized in that It also comprises a mask separation assembly (7) arranged on the frame assembly (1), the mask separation assembly (7) being arranged behind the mask slitting assembly (6) along the direction of travel of the mask fabric; the mask separation assembly (7) at least comprises a mask separation lower roller (7A) and a mask separation upper roller (7B), wherein both ends of the mask separation lower roller (7A) and both ends of the mask separation upper roller (7B) are rotatably arranged on the side plate 1 (1B) and the side plate 2 (1C), respectively, and the surface of the mask separation lower roller (7A) is in contact with the surface of the mask separation upper roller (7B).

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