A KN95 mask manufacturing production line

Abstract

The present invention relates to the technical field of mask manufacturing, in particular to a KN95 mask manufacturing production line. It includes a fabric supply rack, a nose strip supply station, a mask spraying station, a mask earline processing station, a folding station, a vertical edge sealing station, and a finished product cutting station arranged in sequence. The present invention does not require manual processing, ensuring production hygiene; it realizes the full-automatic processing of mask fabric supply, nose strip supply, earline welding, mask fabric folding, mask fabric edge sealing, and finished product cutting in sequence, meeting the demand for large-scale mask production, saving time and effort. The reciprocating sliding driving member is used to achieve the effect similar to manually pulling the material, eliminating the need for an additional conveyor belt, reducing costs and the time for debugging; folding is carried out before the mask fabric edge sealing and finished product cutting processes, facilitating the simultaneous edge sealing and cutting of both sides of the mask fabric, eliminating the need for subsequent additional folding and reducing the mask production duration.

Description

Technical Field

[0001] The invention relates to the technical field of mask manufacturing, and in particular to a KN95 mask manufacturing production line. Background Art

[0002] The production of commonly used masks such as KN95 masks involves processes such as mask fabric supply, nose bridge supply, finished product cutting, mask fabric edge sealing and ear wire welding. The traditional way is to manufacture masks by manual processing, but this method requires manual processing, has certain hygiene problems, and cannot meet the large-scale mask production needs during special epidemic periods.

[0003] The existing method is that each of the above-mentioned processes is processed using different equipment to meet production needs. Manual transfer and transmission are required between each process, which is time-consuming and labor-intensive. In order to replace the manual transfer, additional conveyor belts are set up between each process for transfer. This method is costly and takes a long time to debug. After completing the above-mentioned processes, the masks need to be folded additionally to facilitate subsequent packaging, and the production takes a long time. Summary of the invention

[0004] The present invention provides a KN95 mask manufacturing production line in view of the problems of the prior art.

[0005] In order to solve the above technical problems, the present invention adopts the following technical scheme: a KN95 mask manufacturing production line, comprising a fabric supply rack, a nose strip supply station, a mask spraying station, a mask ear line processing station, a folding station, a vertical edge sealing station and a finished product cutting station which are arranged in sequence; the fabric supply rack is provided with a feeding drive, the nose strip supply station is provided with a pushing drive, the mask ear line processing station is provided with a reciprocating sliding drive, and the vertical edge sealing station and the finished product cutting station are provided with a pulling drive.

[0006] Furthermore, the fabric supply rack includes a plurality of fabric rotating shafts which are arranged at intervals, and the fabric rotating shafts are rotatably connected to the feeding driving member.

[0007] Furthermore, the nose bridge strip supply station includes a carrying platform, a nose bridge strip conveying assembly for conveying the nose bridge strip to the carrying platform, a nose bridge strip cutting assembly for cutting the nose bridge strip on the carrying platform, and a nose bridge strip pushing assembly for pushing the cut nose bridge strip out of the carrying platform; the pushing drive member is provided with a first driving wheel and a second driving wheel, the pushing drive member is transmission connected to the nose bridge strip cutting assembly via the first driving wheel, and the pushing drive member is transmission connected to the nose bridge strip pushing assembly via the second driving wheel.

[0008] Furthermore, the nose bridge strip supply station is also provided with a punching and forming device, which includes an edge sealing component, a hole cutting roller component, a flattening component and a first transmission component for driving the edge sealing component, the hole cutting roller component and the flattening component to rotate, which are arranged in sequence; the pushing drive component is rotatably connected to the third driving wheel, and the first transmission assembly is transmission-connected to the pushing drive component via the third driving wheel.

[0009] Furthermore, the hole cutting roller assembly is provided with a waste collecting trough, the bottom of which is connected to a channel, and a material guiding inclined plate extends from one side of the waste collecting trough close to the hole cutting roller assembly; the hole cutting roller assembly includes a hole cutting roller support seat, the hole cutting roller support seat is rotatably connected to a hole rolling wheel, the hole rolling wheel is provided with a hole forming texture ring, a first ultrasonic spot welder is provided at the bottom of the hole cutting roller support seat, and the hole rolling wheel is provided with a first sub-transmission wheel for transmission connection with the first transmission assembly.

[0010] Furthermore, the mask ear line processing station is sequentially provided with a left welding assembly and a right welding assembly, and the reciprocating sliding drive member includes a machine body, a first driving block connected to the bottom of the left welding assembly, a first screw slidably connected to the first driving block, a first motor for driving the first screw to rotate, a second driving block connected to the bottom of the right welding assembly, a second screw slidably connected to the second driving block, and a second motor for driving the second screw to rotate, and the first motor and the second motor are both installed on the machine body.

[0011] Furthermore, the folding station includes a folding plate, a height-adjustable support rod and a rotating shaft. One end of the height-adjustable support rod is rotatably connected to the folding plate, and the other end of the height-adjustable support rod is rotatably connected to the machine body. The rotating shaft is installed on the machine body. The folding plate is rotatably connected to the machine body through the rotating shaft, and the cross-sectional shape of the folding plate is triangular.

[0012] Furthermore, the vertical edge banding station includes a vertical plate, a first clamping assembly, a tensioning assembly and an ultrasonic welding edge banding assembly; the finished product cutting station includes a second clamping assembly, a finished product cutting assembly and an output assembly, and the vertical plate passes through the first clamping assembly, the tensioning assembly, the ultrasonic welding edge banding assembly, the second clamping assembly, the finished product cutting assembly and the output assembly in sequence; the first clamping assembly, the ultrasonic welding edge banding assembly, the second clamping assembly, the finished product cutting assembly and the output assembly are all connected to the material pulling drive member.

[0013] Furthermore, the ultrasonic welding edge sealing assembly includes an ultrasonic welding edge sealing mounting seat, a first welding edge sealing block and a second welding edge sealing block. The ultrasonic welding edge sealing mounting seat is provided with a first cylinder for driving the first welding edge sealing block to slide and a second cylinder for driving the second welding edge sealing block to slide.

[0014] Furthermore, the product cutting assembly includes a cutting mounting base, a first cutting roller, a second cutting roller, a left pressing plate, and a right pressing plate. There is a gap between the first cutting roller and the second cutting roller, and the left pressing plate and the right pressing plate are arranged at intervals on one side of the gap.

[0015] Advantages of the present invention: The present invention does not require manual processing, ensuring production hygiene; it realizes fully automated processing of mask fabric supply, nose strip supply, earline welding, mask fabric folding in half, mask fabric edge sealing, and finished product cutting in sequence, meeting the demand for large-scale mask production, saving time and effort. By setting a feeding driving part, a pushing driving part, a reciprocating sliding driving part, and a pulling driving part, simultaneous operation of processing and material transportation is achieved. The reciprocating sliding driving part achieves an effect similar to manually pulling the material, eliminating the need for an additional conveyor belt, reducing costs and the time for debugging; folding is performed before the mask fabric edge sealing and finished product cutting processes, facilitating simultaneous edge sealing and cutting of both sides of the mask fabric, eliminating the need for subsequent additional folding and reducing the mask production duration. Description of the Drawings

[0016] Figure 1 It is a schematic structural diagram of the present invention.

[0017] Figure 2 It is a schematic structural diagram of the nose strip supply station of the present invention.

[0018] Figure 3 It is a schematic structural diagram of the nose strip supply station of the present invention from another angle.

[0019] Figure 4 It is a schematic structural diagram of the punching and forming device of the present invention.

[0020] Figure 5 It is a schematic structural diagram of the punching and forming device of the present invention from another angle.

[0021] Figure 6 It is a schematic structural diagram of the mask earline processing station of the present invention.

[0022] Figure 7 It is a schematic structural diagram of the left welding assembly of the present invention.

[0023] Figure 8 It is a schematic structural diagram of the vertical edge sealing station and the finished product cutting station of the present invention.

[0024] Figure 9 It is a schematic structural diagram of the ultrasonic welding edge sealing assembly of the present invention.

[0025] Figure 10 It is a schematic structural diagram of the finished product cutting assembly of the present invention.

[0026] Reference numerals: 1, fabric supply rack; 2, nose wire supply station; 3, mask spraying station; 4, mask earloop processing station; 5, folding station; 6, vertical edge sealing station; 7, finished product cutting station; 8, fabric rotating shaft; 9, carrier table; 10, conveying nose wire assembly; 11, cutting nose wire assembly; 12, pushing nose wire assembly; 13, first driving wheel; 14, second driving wheel; 15, pusher driving member; 16, punching and forming device; 17, edge sealing assembly; 18, hole cutting roller assembly; 19, flattening assembly; 20, waste collection tank; 21, third driving wheel; 22, channel; 23, feeding inclined plate; 24, hole cutting roller support seat; 25, hole rolling wheel; 26, hole forming texture ring; 27, first ultrasonic spot welder; 28, first sub-driving wheel; 29, left welding assembly; 30, right welding assembly; 31, machine body; 32, first driving block; 33, first screw; 34, first motor; 35, first cutting roller; 36, second cutting roller; 37, left pressing plate; 38, first wire supply rack; 39, left welding mounting rack; 40, first lifting arm; 41, first wire transfer gripper; 42, first wire cutting member; 43, first spot welding member; 44, first wire pressing head member; 45, first wire pulling wheel; 46, folding plate; 47, height adjustable support rod; 48, rotating shaft; 49, vertical plate; 50, first pressing assembly; 51, tensioning assembly; 52, ultrasonic welding edge sealing assembly; 53, second pressing assembly; 54, finished product cutting assembly; 55, output assembly; 56, ultrasonic welding edge sealing mounting seat; 57, first welding edge sealing block; 58, second welding edge sealing block; 59, first cylinder; 60, second cylinder; 61, cutting mounting seat; 62, right pressing plate; 63, first transmission assembly. Detailed implementation manners

[0027] For the convenience of understanding by those skilled in the art, the present invention will be further described below in conjunction with embodiments and the accompanying drawings. The content mentioned in the implementation manners does not limit the present invention. The present invention will be described in detail below with reference to the accompanying drawings.

[0028] Please refer to Figures 1 to 10As shown, a KN95 mask manufacturing production line includes a fabric supply rack 1, a nose strip supply station 2, a mask inkjet station 3, a mask ear line processing station 4, a folding station 5, a vertical edge sealing station 6 and a finished product cutting station 7 which are arranged in sequence; the fabric supply rack 1 is provided with a feeding drive component, the nose strip supply station 2 is provided with a pushing drive component 15, the mask ear line processing station 4 is provided with a reciprocating sliding drive component, and the vertical edge sealing station 6 and the finished product cutting station 7 are provided with a pulling drive component. The present invention does not require manual processing, ensuring production hygiene; the fully automated processing of mask fabric supply, nose bridge supply, ear line welding, mask fabric folding, mask fabric edge sealing and finished product cutting is realized in sequence, meeting the needs of mass mask production, saving time and effort, and realizing simultaneous operation of processing and material transportation by setting a feeding drive, a pushing drive 15, a reciprocating sliding drive and a pulling drive, and realizing an effect similar to hand-pulling materials by a reciprocating sliding drive, without the need to set up an additional conveyor belt, reducing costs and reducing debugging time; folding is performed before the mask fabric edge sealing and finished product cutting process, so that both sides of the mask fabric can be conveniently sealed and cut at the same time, without the need for subsequent additional folding, and reducing the production time of the mask. Specifically, the mask inkjet station 3 can be an existing inkjet machine. The pushing drive 15 is an existing divider.

[0029] See also Figure 1 As shown, in this embodiment, the fabric supply rack 1 includes a plurality of fabric shafts 8 arranged at intervals, and the fabric shafts 8 are rotatably connected to the feeding drive member. Specifically, the feeding drive member can be an existing motor, which drives the fabric shaft 8 to rotate to achieve the effect of automatic supply of mask fabric.

[0030] See also Figure 2 and Figure 3 As shown, in this embodiment, the nose bridge strip supply station 2 includes a carrier 9, a nose bridge strip conveying assembly 10 for conveying the nose bridge strip to the carrier 9, a nose bridge strip cutting assembly 11 for cutting the nose bridge strip on the carrier 9, and a nose bridge strip pushing assembly 12 for pushing the cut nose bridge strip out of the carrier 9; the pushing drive 15 is provided with a first driving wheel 13 and a second driving wheel 14, and the pushing drive 15 is connected to the nose bridge strip cutting assembly 11 through the first driving wheel 13, and the pushing drive 15 is connected to the nose bridge strip pushing assembly 12 through the second driving wheel 14. This arrangement realizes the process of automatic feeding, cutting and pushing of the nose bridge strip, improves production efficiency, does not require manual operation, and ensures hygiene issues. The pushing drive 15 realizes transmission with the nose bridge strip cutting assembly 11 through the belt and the first driving wheel 13, and the pushing drive 15 realizes transmission with the nose bridge strip pushing assembly 12 through the belt and the second driving wheel 14.

[0031] According to the actual mask production needs, it is necessary to set air outlet holes on the mask fabric to facilitate the subsequent installation of the exhalation valve. Figures 4 to 5As shown in the figure, in this embodiment, the nose bridge strip supply station 2 is further provided with a punching and forming device 16. The punching and forming device 16 includes a sealing edge assembly 17, a hole-cutting roller assembly 18, a flattening assembly 19, and a first transmission assembly 63 for driving the sealing edge assembly 17, the hole-cutting roller assembly 18, and the flattening assembly 19 to rotate in sequence. The pushing driving member 15 is rotatably connected with a third driving wheel 21, and the first transmission assembly 63 is in transmission connection with the pushing driving member 15 through the third driving wheel 21. By sequentially arranging the sealing edge assembly 17, the hole-cutting roller assembly 18, and the flattening assembly 19, an automated process of sealing the edge, forming a hole, and flattening the mask fabric is carried out, without manual transfer, improving production efficiency. At the same time, the pushing driving member 15 synchronously drives the sealing edge assembly 17, the hole-cutting roller assembly 18, and the flattening assembly 19 through the first transmission assembly 63, reducing the number of driving members provided and lowering the cost. The first transmission assembly 63 is a combination of a transmission shaft, a belt, and a gear transmission.

[0032] Please refer to Figures 4 to 5 As shown in the figure, in this embodiment, the hole-cutting roller assembly 18 is provided with a waste collection groove 20. The bottom of the waste collection groove 20 is communicated with a channel 22, and a material guiding inclined plate 23 extends from one side of the waste collection groove 20 close to the hole-cutting roller assembly 18. The hole-cutting roller assembly 18 includes a hole-cutting roller support seat 24. The hole-cutting roller support seat 24 is rotatably connected with a hole-cutting roller 25. The hole-cutting roller 25 is provided with a hole-forming texture ring 26. The bottom of the hole-cutting roller support seat 24 is provided with a first ultrasonic spot welder 27. The hole-cutting roller 25 is provided with a first sub-transmission wheel 28 for being in transmission connection with the first transmission assembly 63. The waste generated after hole formation is guided into the waste collection groove 20 through the material guiding inclined plate 23, and the waste is transmitted to an external collection container through the channel 22 for unified collection and cleaning, without manual waste cleaning, avoiding the waste from affecting the working environment. The specific transmission connection method is belt transmission connection.

[0033] Please refer to Figure 6 and Figure 7As shown in the figure, in this embodiment, the mask earline processing station 4 is successively provided with a left welding assembly 29 and a right welding assembly 30. The reciprocating sliding driving member includes a machine body 31, a first driving block 32 for connecting to the bottom of the left welding assembly 29, a first screw 33 slidably connected to the first driving block 32, a first motor 34 for driving the first screw 33 to rotate, a second driving block for connecting to the bottom of the right welding assembly 30, a second screw slidably connected to the second driving block, and a second motor for driving the second screw to rotate. The first motor 34 and the second motor are both installed on the machine body 31. In the mask earline processing station 4, there is no need for manual operation to weld the earlines of the mask, realizing the function of mechanized and automated spot welding of earlines, improving production efficiency. The reciprocating sliding movement of the left welding assembly 29 and the machine body 31 is realized through the first driving block 32, the first screw 33, and the first motor 34, and the reciprocating sliding movement of the right welding assembly 30 and the machine body 31 is realized through the second driving block, the second screw, and the second motor, achieving an effect similar to manually pulling the material. There is no need to additionally set up a conveyor belt, reducing costs and the time for debugging.

[0034] Please refer to Figure 7 As shown in the figure, in this embodiment, the left welding assembly 29 includes a first wire supply rack 38, a left welding mounting rack 39, a first lifting arm 40, a first wire turning gripper 41, a first wire cutting member 42, a first spot welding member 43, and a first wire pressing head member 44 for cooperating with the first spot welding member 43. The first wire supply rack 38 is installed above the left welding mounting rack 39. The first lifting arm 40 is arranged below the left welding mounting rack 39. The first lifting arm 40 is slidably connected to the left welding mounting rack 39. The first wire turning gripper 41 is rotatably connected to the bottom of the first lifting arm 40. The first wire pressing head member 44 is arranged on both sides of the first wire turning gripper 41. The first wire cutting member 42 is arranged at intervals on one side of the first lifting arm 40. The first spot welding member 43 is arranged at intervals at the bottom of the first wire turning gripper 41. The first lifting arm 40 is provided with a first wire pulling wheel 45. When the mask fabric is pulled between the first spot welding member 43 and the first wire pressing head member 44, the first wire cutting member 42 cuts the earline on the first wire turning gripper 41. The first lifting arm 40 moves downward. Through the cooperation of the first wire pressing head member 44 and the first spot welding member 43, the end of the earline on the first wire turning gripper 41 is welded to the specified position of the mask fabric. Then the first lifting arm 40 moves upward until the first wire pressing head member 44 is separated from the mask fabric. The first motor 34, the first screw 33, and the first driving member continue to drive the mask fabric to move forward. At this time, the first wire turning gripper 41 rotates, thereby pulling the earline on the first wire supply rack 38 to the specified position to prepare for the next welding. Such a setting eliminates the need for manual welding, improving efficiency and the degree of automation. The structure and technical effects of the right welding assembly 30 are similar to those of the left welding assembly 29 and will not be elaborated here.

[0035] Please refer to Figure 1As shown, in this embodiment, the folding station 5 includes a folding plate 46, a height-adjustable support rod 47 and a rotating shaft 48, one end of the height-adjustable support rod 47 is rotatably connected to the folding plate 46, and the other end of the height-adjustable support rod 47 is rotatably connected to the body 31, and the rotating shaft 48 is installed on the body 31. The folding plate 46 is rotatably connected to the body 31 through the rotating shaft 48, and the cross-sectional shape of the folding plate 46 is triangular. The mask fabric is conveyed to the folding plate 46, and the cross-sectional shape of the folding plate 46 is triangular, so that the two sides of the mask fabric are gradually gathered from the direction close to the rotating shaft 48 to the direction away from the rotating shaft 48. The effect of automatic folding is achieved, which is convenient for subsequent processing and packaging. Specifically, the height adjustment of the folding plate 46 is achieved by the height-adjustable support rod 47, and the specific height-adjustable support rod 47 can be an existing hydraulic rod. The angle adjustment of the folding plate 46 is achieved by the rotating shaft 48 in conjunction with the height-adjustable support rod 47.

[0036] See also Figure 8 As shown, in this embodiment, the vertical edge banding station 6 includes a vertical plate 49, a first clamping assembly 50, a tensioning assembly 51 and an ultrasonic welding edge banding assembly 52; the finished product cutting station 7 includes a second clamping assembly 53, a finished product cutting assembly 54 and an output assembly 55, and the vertical plate 49 passes through the first clamping assembly 50, the tensioning assembly 51, the ultrasonic welding edge banding assembly 52, the second clamping assembly 53, the finished product cutting assembly 54 and the output assembly 55 in sequence; the first clamping assembly 50, the ultrasonic welding edge banding assembly 52, the second clamping assembly 53, the finished product cutting assembly 54 and the output assembly 55 are all connected to the material drawing drive. Specifically, the above-mentioned connection methods with the material drawing drive are all achieved through belts and gears. The material drawing drive can be an existing motor. The vertical plate 49 allows the mask fabric to be processed while it is upright, and the vertical edge banding station 6 realizes the process of clamping, tensioning and welding edge banding. The vertical edge-sealing station 6 realizes the process of flattening, tightening and welding the edge-sealing, ensuring the flatness and sewing quality of the mask fabric, and avoiding the situation of material jamming. Specifically, the above-mentioned connection methods with the material pulling drive member are all through belts and gears to achieve transmission connection. The material pulling drive member can be an existing motor. The vertical plate 49 allows the mask fabric to be processed while it is upright, and the vertical edge-sealing station 6 realizes the process of pressing, tightening and welding the edge-sealing. The vertical edge-sealing station 6 realizes the process of flattening, tightening and welding the edge-sealing, ensuring the flatness and sewing quality of the mask fabric, and avoiding the situation of material jamming.

[0037] See also Figure 9As shown in the figure, in this embodiment, the ultrasonic welding edge sealing assembly 52 includes an ultrasonic welding edge sealing mounting base 56, a first welding edge sealing block 57, and a second welding edge sealing block 58. The ultrasonic welding edge sealing mounting base 56 is provided with a first cylinder 59 for driving the first welding edge sealing block 57 to be slidably connected and a second cylinder 60 for driving the second welding edge sealing block 58 to be slidably connected. When the mask fabric is conveyed to the specified position, the first cylinder 59 is used to drive the first welding edge sealing block 57 to act, and the second cylinder 60 is used to drive the second welding edge sealing block 58 to act, so that the first welding edge sealing block 57 and the second welding edge sealing block 58 move towards each other, thereby realizing the function of automatically welding and sealing the mask fabric.

[0038] Please refer to Figure 10 As shown in the figure, in this embodiment, the finished product cutting assembly 54 includes a cutting mounting base 61, a first cutting roller 35, a second cutting roller 36, a left pressing plate 37, and a right pressing plate 62. There is a gap between the first cutting roller 35 and the second cutting roller 36, and the left pressing plate 37 and the right pressing plate 62 are arranged at intervals on one side of the gap.

[0039] With such a setting, the mask fabric is cut into finished products by the first cutting roller 35 and the second cutting roller 36. Both the first cutting roller 35 and the second cutting roller 36 are provided with cutting textures, and the left pressing plate 37 and the right pressing plate 62 are arranged to cooperate to prevent the mask fabric from warping. The above is only a preferred embodiment of the present invention, and it does not impose any form of limitation on the present invention. Although the present invention is disclosed above in a preferred embodiment, it is not intended to limit the present invention. Any person skilled in the art, without departing from the scope of the technical solution of the present invention, when making some changes or modifications using the above-disclosed technical content as equivalent change equivalent embodiments, but as long as it does not depart from the content of the technical solution of the present invention, any simple modification, equivalent change and modification made to the above embodiments according to the technical means of the present invention shall fall within the scope of the technical solution of the present invention.

Claims

1. A KN95 mask manufacturing production line, characterized in that: It comprises a fabric supply rack (1), a nose bridge supply station (2), a mask inkjet station (3), a mask ear line processing station (4), a folding station (5), a vertical edge sealing station (6) and a finished product cutting station (7) which are arranged in sequence; The fabric supply rack (1) is provided with a material feeding drive, the nose bridge strip supply station (2) is provided with a material pushing drive (15), the mask ear line processing station (4) is provided with a reciprocating sliding drive, and the vertical edge sealing station (6) and the finished product cutting station (7) are provided with a material pulling drive; The nose bridge strip supply station (2) comprises a carrying platform (9), a nose bridge strip conveying assembly (10) for conveying the nose bridge strip to the carrying platform (9), a nose bridge strip cutting assembly (11) for cutting the nose bridge strip on the carrying platform (9), and a nose bridge strip pushing assembly (12) for pushing the cut nose bridge strip out of the carrying platform (9); the material pushing driving member (15) is provided with a first driving wheel (13) and a second driving wheel (14); the material pushing driving member (15) is connected to the nose bridge strip cutting assembly (11) through the first driving wheel (13), and the material pushing driving member (15) is connected to the nose bridge strip pushing assembly (12) through the second driving wheel (14); The nose bridge strip supply station (2) is also provided with a punching and forming device (16), which comprises an edge sealing component (17), a hole cutting roller component (18), a flattening component (19) and a first transmission component (63) for driving the edge sealing component (17), the hole cutting roller component (18) and the flattening component (19) to rotate. The push drive member (15) is rotatably connected to a third driving wheel (21), and the first transmission component (63) is transmission-connected to the push drive member (15) via the third driving wheel (21). The mask ear line processing station (4) is sequentially provided with a left welding assembly (29) and a right welding assembly (30); the reciprocating sliding drive member comprises a body (31), a first driving block (32) connected to the bottom of the left welding assembly (29), a first screw (33) slidably connected to the first driving block (32), a first motor (34) for driving the first screw (33) to rotate, a second driving block connected to the bottom of the right welding assembly (30), a second screw slidably connected to the second driving block, and a second motor for driving the second screw to rotate; the first motor (34) and the second motor are both mounted on the body (31).

2. The KN95 mask manufacturing production line according to claim 1, wherein: The fabric supply rack (1) comprises a plurality of fabric rotating shafts (8) arranged at intervals, and the fabric rotating shafts (8) are rotatably connected to a material supply driving member.

3. The KN95 mask manufacturing production line according to claim 1, wherein: The punching roller assembly (18) is provided with a waste collection groove (20). A channel (22) communicates with the bottom of the waste collection groove (20). A material guiding inclined plate (23) extends from one side of the waste collection groove (20) close to the punching roller assembly (18). The punching roller assembly (18) includes a punching roller support seat (24). A punching roller (25) is rotatably connected to the punching roller support seat (24). The punching roller (25) is provided with a hole-forming texture ring (26). A first ultrasonic spot welder (27) is provided at the bottom of the punching roller support seat (24). The punching roller (25) is provided with a first sub-driving wheel (28) for driving connection with the first transmission assembly (63).

4. The KN95 mask manufacturing production line according to claim 1, characterized in that: The folding station (5) includes a folding plate (46), a height-adjustable support rod (47) and a rotating shaft (48). One end of the height-adjustable support rod (47) is rotatably connected to the folding plate (46), and the other end of the height-adjustable support rod (47) is rotatably connected to the machine body (31). The rotating shaft (48) is installed on the machine body (31). The folding plate (46) is rotatably connected to the machine body (31) through the rotating shaft (48). The cross-sectional shape of the folding plate (46) is triangular.

5. The KN95 mask manufacturing production line according to claim 1, characterized in that: The vertical edge-sealing station (6) includes a vertical plate (49), a first pressing assembly (50), a tensioning assembly (51) and an ultrasonic welding edge-sealing assembly (52). The finished product cutting station (7) includes a second pressing assembly (53), a finished product cutting assembly (54) and an output assembly (55). The vertical plate (49) sequentially passes through the first pressing assembly (50), the tensioning assembly (51), the ultrasonic welding edge-sealing assembly (52), the second pressing assembly (53), the finished product cutting assembly (54) and the output assembly (55). The first pressing assembly (50), the ultrasonic welding edge-sealing assembly (52), the second pressing assembly (53), the finished product cutting assembly (54) and the output assembly (55) are all in driving connection with the material pulling driving part.

6. The KN95 mask manufacturing production line according to claim 5, wherein: The ultrasonic welding edge-sealing assembly (52) includes an ultrasonic welding edge-sealing mounting seat (56), a first welding edge-sealing block (57) and a second welding edge-sealing block (58). The ultrasonic welding edge-sealing mounting seat (56) is provided with a first air cylinder (59) for driving the sliding connection of the first welding edge-sealing block (57) and a second air cylinder (60) for driving the sliding connection of the second welding edge-sealing block (58).

7. The KN95 mask manufacturing production line according to claim 5, characterized in that: The finished product cutting assembly (54) includes a cutting mounting seat (61), a first cutting roller (35), a second cutting roller (36), a left pressing plate (37) and a right pressing plate (62). A gap is provided between the first cutting roller (35) and the second cutting roller (36). The left pressing plate (37) and the right pressing plate (62) are arranged at intervals on one side of the gap.

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