Efficient mask production folding machine

Abstract

The invention discloses an efficient mask production folding machine, and relates to the technical field of mask production. The protective cover is fixed to the center of the upper surface of the workbench, and feeding openings are formed in the lower sides of the two side walls of the protective cover. The material guiding mechanisms are arranged on the two sides of the protective cover correspondingly and arranged on the workbench. The folding mechanism is arranged in the protective cover, and the folding mechanism is arranged on the workbench; the shaping roller is arranged on one side in the protective cover and located above the guide roller on one side, and rotating shafts on the front side and the rear side of the shaping roller are rotationally connected with the front side wall and the rear side wall of the protective cover through bearings correspondingly; the shaping plates sleeve and are fixed on the shaping rollers at equal intervals; the pressing plate is arranged between the two adjacent shaping plates; the lifting mechanism is arranged on the upper side of the interior of the protective cover, located above the shaping roller and connected with the pressing plate; the whole folding process is time-saving and labor-saving, and automatic folding treatment of the mask can be realized, so that the mask production efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of mask production, and in particular to a high-efficiency mask production folding machine. Background Art

[0002] A mask is a sanitary product, generally worn on the mouth and nose to filter the air entering the mouth and nose to block harmful gases, odors, droplets, viruses and other substances. It is made of gauze or paper and other materials. However, the existing folding mechanisms for mask production still have shortcomings; most of them adopt a semi-mechanical processing structure, and when folding the mask, the operator needs to directly participate in operating the machine. The entire folding process is time-consuming and labor-intensive, and it is difficult to achieve automated folding of the mask, thereby reducing the efficiency of mask production. Summary of the invention

[0003] The purpose of the present invention is to provide a high-efficiency mask production folding machine with reasonable design and easy use in view of the defects and shortcomings of the prior art. The entire folding process saves time and labor, and can realize the automatic folding processing of the mask, thereby improving the efficiency of mask production.

[0004] To achieve the above purpose, the technical solution adopted by the present invention is: it comprises a workbench and support legs, and the four corners of the lower surface of the workbench are fixed with support legs; it also comprises:

[0005] A protective cover, the protective cover is fixed at the center of the upper surface of the workbench, and the lower sides of the two side walls of the protective cover are provided with material feeding openings;

[0006] A material guiding mechanism, wherein there are two material guiding mechanisms, which are respectively arranged on both sides of the protective cover, and the material guiding mechanism is arranged on the workbench;

[0007] A folding mechanism, wherein the folding mechanism is arranged inside the protective cover and is arranged on a workbench;

[0008] A shaping roller, wherein the shaping roller is arranged on one side of the protective cover, the shaping roller is located above the guide roller on one side, and the rotating shafts on the front and rear sides of the shaping roller are respectively connected to the front and rear side walls of the protective cover through bearings;

[0009] There are several shaping plates, which are equidistantly sleeved and fixed on the shaping rollers;

[0010] A pressing plate, wherein the pressing plates are in plurality and are arranged between two adjacent shaping plates;

[0011] A lifting mechanism, wherein the lifting mechanism is arranged on the upper side of the protective cover, the lifting mechanism is located above the shaping roller, and the lifting mechanism is connected to the pressing plate;

[0012] Through the above technical scheme, the material passes through the material guide mechanism on one side and the material outlet on one side in turn, and then goes around the top of the shaping roller, and the material is located between the shaping plate and the pressing plate. The material is then inserted into the folding mechanism, and the material is folded by the folding mechanism. After folding, the material passes through the material outlet on the right side of the protective cover, and then passes through the material guide mechanism on the other side, and is connected to the external cutting mechanism. Finally, the pressing plate is driven downward by the lifting mechanism, and the pressing plate presses the material downward into the two adjacent shaping plates, thereby performing preliminary shaping.

[0013] Preferably, a guide roller is provided on the upper side of the inside of the feeding port, and the rotating shafts on the front and rear sides of the guide roller are respectively screwed to the front and rear inner walls of the feeding port through bearings;

[0014] Through the above technical solution, the material is guided by the guide roller to prevent the material from being scratched by the side edges on both sides of the top wall inside the feeding port.

[0015] Preferably, the material guiding mechanism comprises:

[0016] Support plates, there are two support plates, and they are fixed symmetrically on the upper surface of the workbench front and back;

[0017] A fixed roller, wherein the fixed roller is arranged at the lower side between the front and rear support plates, and the rotating shafts at the front and rear ends of the fixed roller are respectively connected to the front and rear support plates through bearings;

[0018] A movable roller, wherein the movable roller is suspended above the fixed roller, and the rotating shafts at the front and rear ends of the movable roller are both rotationally connected with sliding blocks through bearings, and the sliding blocks are respectively slidably arranged in the sliding grooves on the side walls of the support plates at the front and rear sides;

[0019] The resisting springs are two and are respectively embedded in the slide grooves on the side walls of the support plate at the front and rear sides, and the upper and lower ends of the resisting springs are respectively fixed on the inner top wall of the slide groove and the upper side wall of the sliding block;

[0020] Through the above technical solution, the material passes between the fixed roller and the movable roller, and is clamped and guided by the fixed roller and the movable roller. During the rolling process, the resistance spring pushes the sliding block downward, and the sliding block drives the movable roller to move downward, so that the movable roller maintains resistance to the material, thereby improving the material guiding effect.

[0021] Preferably, the folding mechanism comprises:

[0022] There are several folding plates, which are stacked from front to back and from top to bottom, with a gap between two adjacent folding plates, one side of the folding plate is perpendicular to the workbench, and the other side of the folding plate is inclined and parallel to the workbench;

[0023] Lower support plates, there are several lower support plates, and they are fixed on the upper surface of the workbench, and the upper sides of the lower support plates are fixed on both sides of the lower side walls of several spaced folding plates;

[0024] An upper support plate, wherein the upper support plates are multiple and fixed to the inner top wall of the protective cover, and the lower side of the upper support plate is fixed to the upper side of the other multiple folding plates;

[0025] Extrusion rollers, there are two extrusion rollers, which are symmetrically arranged inside the protective cover, and the rotating shafts on the front and rear sides of the lower extrusion roller are respectively connected to the front and rear side walls of the protective cover through bearings;

[0026] The mounting frame is arranged in an inverted "U" shape, the mounting frame is sleeved on the upper extrusion roller, and the vertical plates on the front and rear sides of the mounting frame are respectively rotatably connected to the rotating shafts on the front and rear sides of the upper extrusion roller through bearings;

[0027] Extrusion springs, wherein there are several extrusion springs fixed on the upper side wall of the horizontal plate of the mounting frame in a matrix manner, and the upper ends of the extrusion springs are fixed on the inner top wall of the protective cover;

[0028] Through the above technical scheme, after the material passes through the inside of the protective cover, it hits the shaping roller, and then is wrapped around several folding plates in a "Z" shape connected end to end, and then the material is pulled to the other side along the folding plates. Since one side of the folding plate is arranged parallel to the upper surface of the workbench, the material is folded, and then continues to move to one side of the extrusion roller. The upper and lower extrusion rollers extrude the folded material into shape, and finally move out through the guide roller on the other side. The extrusion spring causes the upper extrusion roller to squeeze downward, thereby improving the extrusion effect.

[0029] Preferably, a telescopic rod is provided inside the extrusion spring, and the upper and lower ends of the telescopic rod are respectively fixed to the inner top wall of the protective cover and the upper side wall of the horizontal plate of the mounting frame;

[0030] Through the above technical solution, the extrusion spring is supported by the telescopic rod, and at the same time the expansion and contraction of the extrusion spring is not affected.

[0031] Preferably, the lifting mechanism comprises:

[0032] A lifting plate, wherein the lifting plate is suspended on the upper side of the protective cover, and the pressing plates are fixed on the lower surface of the lifting plate at equal distances;

[0033] Connecting rods, there are four connecting rods, and they are respectively screwed on the upper surface of the lifting plate through hinge seats, and the other ends of the connecting rods are respectively inclined to a side away from the center of the lifting plate;

[0034] Moving blocks, there are two moving blocks, and both are arranged in an inverted "U" shape, the horizontal plates of the moving blocks are movably arranged in the front and rear cavities on the upper side wall of the protective cover, and the vertical plates on the front and rear sides of the moving blocks pass through the front and rear side slide grooves on the lower side wall of the cavity, and are rotated to the top ends of the two adjacent front and rear connecting rods through the hinge seat;

[0035] Racks, there are two racks, and they are arranged in the movable cavity on the upper side wall of the protective cover, the movable cavity is arranged between the two cavities, and the racks pass through the side walls of the movable cavity respectively and are fixed on the moving block;

[0036] Gear, the gear is arranged at the center of the movable cavity, the rotating shafts on the upper and lower sides of the gear are respectively screwed to the upper and lower inner walls of the movable cavity through bearings, and the gear is respectively meshed with the racks on both sides;

[0037] A push rod, wherein the push rod and one of the upper side walls of the rack are on a side away from the moving block, and the other end of the push rod passes through the front side wall of the protective cover and is exposed on the front side of the protective cover;

[0038] A push spring, wherein the push spring is fixed to the inner end of the push rod, and the other end of the push spring is fixed to the rear inner wall of the upper side wall of the protective cover;

[0039] A limit rod, wherein the limit rod is screwed to the outer side wall of the front side of the protective cover through the shaft and the shaft rod, and the limit rod is inserted in cooperation with the card slot at the front end of the push rod;

[0040] Through the above technical solution, the push rod is moved toward the inside of the protective cover, and the push rod drives the rack connected to it to move. The rack drives the gear to rotate during the movement, and the gear drives the rack on the other side to move. The two racks respectively drive the moving blocks connected to them to move, and the moving blocks drive the upper end of the connecting rod adjacent to it to move, so that the lower end of the connecting rod drives the lifting plate to move up and down, and the lifting plate drives the pressure plate to move up and down.

[0041] Preferably, a support block is fixed on one end of the rack away from a side wall of the gear and away from the moving block, and the support block is slidably arranged in a slide groove on the inner wall of the active cavity;

[0042] Through the above technical solution, the rack is guided by the support block.

[0043] Compared with the prior art, the present invention has the following beneficial effects:

[0044] 1. It can be folded automatically, and the entire folding process saves time and effort, thereby improving the efficiency of mask production and reducing the workload of operators;

[0045] 2. Preliminary shaping can be performed before folding, which facilitates the subsequent folding and improves the flatness during folding;

[0046] 3. During the folding process, the material will not be exposed on the outside, ensuring the hygiene of the mask and thus improving the quality of the mask. BRIEF DESCRIPTION OF THE DRAWINGS

[0047] Figure 1 It is a schematic diagram of the structure of the present invention.

[0048] Figure 2 It is an exploded view of the present invention.

[0049] Figure 3 for Figure 2 Enlarged view of part A in the middle.

[0050] Figure 4 It is a structural schematic diagram of the material guiding mechanism in the present invention.

[0051] Figure 5 It is a schematic diagram of the structure of the folding plate in the present invention.

[0052] Figure 6 It is an exploded view of the lifting mechanism in the present invention.

[0053] Figure 7 It is a side sectional view of the protective cover in the present invention.

[0054] Description of reference numerals:

[0055] Workbench 1, supporting foot 2, protective cover 3, material outlet 3-1, cavity 3-2, movable cavity 3-3, material guiding mechanism 4, supporting plate 4-1, fixed roller 4-2, movable roller 4-3, sliding block 4-4, resistance spring 4-5, folding mechanism 5, folding plate 5-1, lower supporting plate 5-2, upper supporting plate 5-3, extrusion roller 5-4, mounting frame 5-5, extrusion spring 5-6, shaping roller 6, shaping plate 7, pressing plate 8, lifting mechanism 9, lifting plate 9-1, connecting rod 9-2, moving block 9-3, rack 9-4, gear 9-5, pushing rod 9-6, pushing spring 9-7, limiting rod 9-8, guide roller 10, telescopic rod 11, supporting block 12. DETAILED DESCRIPTION

[0056] The present invention will be further described below in conjunction with the accompanying drawings.

[0057] Embodiment 1:

[0058] like Figure 1-Figure 2 As shown, this embodiment comprises a workbench 1 and support legs 2, and the four corners of the lower surface of the workbench 1 are riveted and fixed with support legs 2; it also comprises:

[0059] The protective cover 3 is riveted and fixed to the center of the upper surface of the workbench 1. The lower sides of the two side walls of the protective cover 3 are provided with a feeding port 3-1; a guide roller 10 is provided on the upper side of the inside of the feeding port 3-1, and the rotating shafts on the front and rear sides of the guide roller 10 are respectively screwed to the front and rear inner walls of the feeding port 3-1 through bearings, and the guide roller 10 guides the material to prevent the material from being scratched by the side edges on both sides of the inner top wall of the feeding port 3-1;

[0060] A material guiding mechanism 4, wherein there are two material guiding mechanisms 4, and the two material guiding mechanisms 4 are respectively arranged on both sides of the protective cover 3, and the material guiding mechanism 4 is arranged on the workbench 1;

[0061] A folding mechanism 5, wherein the folding mechanism 5 is arranged inside the protective cover 3, and the folding mechanism 5 is arranged on the workbench 1;

[0062] The shaping roller 6 is arranged on the left side of the protective cover 3, and the shaping roller 6 is located above the guide roller 10 on one side. The rotating shafts on the front and rear sides of the shaping roller 6 are respectively connected to the front and rear side walls of the protective cover 3 through bearings;

[0063] The shaping plates 7 are multiple and are equidistantly sleeved and welded to the shaping rollers 6;

[0064] A pressing plate 8, wherein the pressing plate 8 is in multiple numbers and is arranged between two adjacent shaping plates 7;

[0065] A lifting mechanism 9, wherein the lifting mechanism 9 is arranged on the upper side of the protective cover 3, the lifting mechanism 9 is located above the shaping roller 6, and the lifting mechanism 9 is connected to the pressing plate 8;

[0066] Through the above technical scheme, the material passes through the material guiding mechanism 4 on one side and the material outlet 3-1 on one side in turn, and then goes around the top of the shaping roller 6, and the material is located between the shaping plate 7 and the pressing plate 8, and then the material is inserted into the folding mechanism 5, and the material is folded by the folding mechanism 5. After folding, the material passes through the material outlet 3-1 on the right side of the protective cover 3, and then passes through the material guiding mechanism 4 on the other side, and is connected to the external cutting mechanism. Finally, the pressing plate 8 is driven downward by the lifting mechanism 9, and the pressing plate 8 presses the material downward into the two adjacent shaping plates 7, thereby performing preliminary shaping.

[0067] Embodiment 2:

[0068] See also Figure 1-2 , Figure 4 As shown, based on Example 1, the material guiding mechanism 4 includes:

[0069] Support plates 4-1, there are two support plates 4-1, and they are riveted and fixed on the upper surface of the workbench 1 symmetrically front and back;

[0070] A fixed roller 4-2, wherein the fixed roller 4-2 is disposed on the lower side between the front and rear support plates 4-1, and the rotating shafts at the front and rear ends of the fixed roller 4-2 are respectively connected to the front and rear support plates 4-1 through bearings;

[0071] The movable roller 4-3 is suspended above the fixed roller 4-2. The rotating shafts at the front and rear ends of the movable roller 4-3 are both screwed with sliding blocks 4-4 through bearings. The sliding blocks 4-4 are respectively slidably arranged in the sliding grooves on the side walls of the support plate 4-1 at the front and rear sides;

[0072] The resisting spring 4-5 is two and is respectively embedded in the slide grooves on the side walls of the support plate 4-1 at the front and rear sides. The upper and lower ends of the resisting spring 4-5 are respectively riveted and fixed to the inner top wall of the slide groove and the upper side wall of the sliding block 4-4;

[0073] Through the above technical solution, the material passes between the fixed roller 4-2 and the movable roller 4-3, and is clamped and guided by the fixed roller 4-2 and the movable roller 4-3. During the rolling process, the resistance spring 4-5 pushes the sliding block 4-4 downward, and the sliding block 4-4 drives the movable roller 4-3 to move downward, so that the movable roller 4-3 maintains resistance to the material, thereby improving the material guiding effect.

[0074] Embodiment 3:

[0075] See also Figure 2-3 , Figure 5 As shown, based on Example 1, the folding mechanism 5 includes:

[0076] Folding plates 5-1, wherein there are several folding plates 5-1, and they are stacked from front to back and from top to bottom, and there is a gap between two adjacent folding plates 5-1, one side of the folding plate 5-1 is arranged perpendicular to the workbench 1, and the other side of the folding plate 5-1 is arranged parallel to the workbench 1 after being inclined;

[0077] Lower support plates 5-2, there are several lower support plates 5-2, and they are riveted and fixed on the upper surface of the workbench 1, and the upper sides of the lower support plates 5-2 are riveted and fixed on both sides of the lower side walls of several spaced folding plates 5-1;

[0078] The upper support plates 5-3 are multiple and are riveted to the inner top wall of the protective cover 3, and the lower side of the upper support plates 5-3 is riveted to the upper side of the other multiple folding plates 5-1;

[0079] Extrusion rollers 5-4, there are two extrusion rollers 5-4, and they are symmetrically arranged inside the protective cover 3, and the rotating shafts on the front and rear sides of the lower extrusion roller 5-4 are respectively screwed to the front and rear side walls of the protective cover 3 through bearings;

[0080] The mounting frame 5-5 is arranged in an inverted "U" shape, and the mounting frame 5-5 is sleeved on the upper extrusion roller 5-4, and the vertical plates on the front and rear sides of the mounting frame 5-5 are respectively rotatably connected with the rotating shafts on the front and rear sides of the upper extrusion roller 5-4 through bearings;

[0081] Extrusion springs 5-6, there are several extrusion springs 5-6, and they are riveted and fixed on the upper side wall of the horizontal plate of the mounting frame 5-5 in a matrix manner, and the upper end of the extrusion spring 5-6 is riveted and fixed on the inner top wall of the protective cover 3; the extrusion springs 5-6 are provided with telescopic rods 11 inside, and the upper and lower ends of the telescopic rods 11 are riveted and fixed on the inner top wall of the protective cover 3 and the upper side wall of the horizontal plate of the mounting frame 5-5, respectively, and the extrusion springs 5-6 are supported by the telescopic rods 11, and at the same time, the telescopic movement of the extrusion springs 5-6 is not affected;

[0082] Through the above technical scheme, after the material passes through the protective cover 3, it hits the shaping roller 6, and then is wrapped around several folding plates 5-1 in a "Z" shape connected end to end, and then the material is pulled to the other side along the folding plate 5-1. Since one side of the folding plate 5-1 is arranged parallel to the upper surface of the workbench 1, the material is folded, and then continues to move to one side of the extrusion roller 5-4. The upper and lower extrusion rollers 5-4 extrude the folded material and finally move out through the guide roller 10 on the other side. The extrusion spring 5-6 causes the upper extrusion roller 5-4 to extrude downward, thereby improving the extrusion effect.

[0083] Embodiment 4:

[0084] See also Figure 1-2 , Figure 6 As shown, based on Example 1, the lifting mechanism 9 includes:

[0085] A lifting plate 9-1, wherein the lifting plate 9-1 is suspended on the upper side of the protective cover 3, and the pressing plate 8 is riveted and fixed on the lower surface of the lifting plate 9-1 at equal intervals;

[0086] Connecting rods 9-2, there are four connecting rods 9-2, and they are respectively screwed on the upper surface of the lifting plate 9-1 through hinge seats, and the other ends of the connecting rods 9-2 are respectively inclined to a side away from the center of the lifting plate 9-1;

[0087] Moving block 9-3, there are two moving blocks 9-3, and both are set in an inverted "U" shape, the horizontal plates of the moving block 9-3 are movably set in the front and rear cavities 3-2 on the upper side wall of the protective cover 3, and the vertical plates on the front and rear sides of the moving block 9-3 pass through the front and rear side grooves of the lower side wall of the cavity 3-2, and are rotated to the top ends of the two adjacent front and rear connecting rods 9-2 through the hinge seat;

[0088] Rack 9-4, there are two racks 9-4, and they are arranged in the movable cavity 3-3 on the upper side wall of the protective cover 3, and the movable cavity 3-3 is arranged between the two cavities 3-2. The racks 9-4 pass through the side walls of the movable cavity 3-3 respectively and are fixed on the moving block 9-3; a support block 12 is riveted and fixed on one end of the rack 9-4 away from the side wall of the gear 9-5 and away from the moving block 9-3, and the support block 12 is slidably arranged in the slide groove on the inner wall of the movable cavity 3-3, and the rack 9-4 is guided by the support block 12;

[0089] Gear 9-5, the gear 9-5 is arranged at the center of the active cavity 3-3, the rotating shafts on the upper and lower sides of the gear 9-5 are respectively screwed to the upper and lower inner walls of the active cavity 3-3 through bearings, and the gear 9-5 is respectively meshed with the racks 9-4 on both sides;

[0090] A push rod 9-6, wherein the push rod 9-6 and the upper side wall of the left rack 9-4 are on a side away from the moving block 9-3, and the front end of the push rod 9-6 passes through the front side wall of the protective cover 3 and is exposed on the front side of the protective cover 3;

[0091] A push spring 9-7, wherein the push spring 9-7 is riveted to the inner end of the push rod 9-6, and the rear end of the push spring 9-7 is riveted to the rear inner wall of the upper side wall of the protective cover 3;

[0092] A limit rod 9-8, wherein the limit rod 9-8 is screwed to the outer side wall of the front side of the protective cover 3 through the shaft and the shaft rod, and the limit rod 9-8 is inserted in cooperation with the card slot at the front end of the push rod 9-6;

[0093] Through the above technical solution, the push rod 9-6 is moved toward the inside of the protective cover 3, and the push rod 9-6 drives the rack 9-4 connected thereto to move. The rack 9-4 drives the gear 9-5 to rotate during the movement, and the gear 9-5 drives the rack 9-4 on the other side to move. The two racks 9-4 respectively drive the moving blocks 9-3 connected thereto to move, and the moving blocks 9-3 drive the upper end of the adjacent connecting rod 9-2 to move, so that the lower end of the connecting rod 9-2 drives the lifting plate 9-1 to move up and down, and the lifting plate 9-1 drives the pressure plate 8 to move up and down.

[0094] When the present invention is used, the material passes through the fixed roller 4-2 and the movable roller 4-3 on the left in turn, and is clamped and guided by the fixed roller 4-2 and the movable roller 4-3. During the rolling process, the resistance spring 4-5 pushes the sliding block 4-4 downward, and the sliding block 4-4 drives the movable roller 4-3 to move downward, so that the movable roller 4-3 keeps in contact with the material, and then passes through the left feeding port 3-1 and the left guide roller 10, and then goes around the top of the shaping roller 6, and the material is located between the shaping plate 7 and the pressing plate 8, and then the material is wound around several folding plates 5-1 in a "Z" shape connected end to end, and then the material is pulled to the other side along the folding plate 5-1. Since one side of the folding plate 5-1 is arranged in parallel with the upper surface of the workbench 1, the material is folded, and then continues to move to one side of the extrusion roller 5-4, and the upper and lower extrusion rollers 5-4 extrude the folded material. After being folded, it passes through the feeding port 3-1 on the right side of the protective cover 3, and then passes through the material guide mechanism 4 on the other side, and is connected to the external cutting mechanism. Finally, the push rod 9-6 is moved toward the inside of the protective cover 3, and the push rod 9-6 drives the rack 9-4 connected thereto to move. The rack 9-4 drives the gear 9-5 to rotate during the movement, and the gear 9-5 drives the rack 9-4 on the other side to move. The two racks 9-4 respectively drive the moving blocks 9-3 connected thereto to move, and the moving blocks 9-3 drive the upper end of the adjacent connecting rod 9-2 to move, so that the lower end of the connecting rod 9-2 drives the lifting plate 9-1 to move up and down, and the lifting plate 9-1 drives the pressing plate 8 to move up and down, and the pressing plate 8 presses the material downward into the two adjacent shaping plates 7 for preliminary shaping.

[0095] Compared with the prior art, the beneficial effects of this specific implementation are as follows:

[0096] 1. It can be folded automatically, and the entire folding process saves time and effort, thereby improving the efficiency of mask production and reducing the workload of operators;

[0097] 2. Preliminary shaping can be performed before folding, which facilitates the subsequent folding and improves the flatness during folding;

[0098] 3. During the folding process, the material will not be exposed on the outside, ensuring the hygiene of the mask and thus improving the quality of the mask.

[0099] The above description is only used to illustrate the technical solution of the present invention rather than to limit it. Other modifications or equivalent substitutions made to the technical solution of the present invention by ordinary technicians in this field should be included in the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solution of the present invention.

Claims

1. An efficient mask production folding machine, comprising a workbench (1) and supporting feet (2), wherein the four corners of the lower surface of the workbench (1) are fixed with supporting feet (2); characterized in that: It also contains: A protective cover (3), wherein the protective cover (3) is fixed at the center of the upper surface of the workbench (1), and the lower sides of the two side walls of the protective cover (3) are provided with material discharge openings (3-1); A material guiding mechanism (4), wherein the material guiding mechanism (4) is two and is respectively arranged on both sides of the protective cover (3), and the material guiding mechanism (4) is arranged on the workbench (1); A folding mechanism (5), wherein the folding mechanism (5) is arranged inside the protective cover (3), and the folding mechanism (5) is arranged on the workbench (1); A shaping roller (6), wherein the shaping roller (6) is arranged on one side of the interior of the protective cover (3), the shaping roller (6) is located above the guide roller (10) on one side, and the rotating shafts on the front and rear sides of the shaping roller (6) are respectively connected to the front and rear side walls of the protective cover (3) through bearings; A shaping plate (7), wherein the shaping plates (7) are in plurality and are equidistantly sleeved and fixed on the shaping roller (6); A pressing plate (8), wherein there are several pressing plates (8) and they are arranged between two adjacent shaping plates (7); A lifting mechanism (9) is arranged on the upper side of the protective cover (3), the lifting mechanism (9) is located above the shaping roller (6), and the lifting mechanism (9) is connected to the pressing plate (8).

2. The high-efficiency mask production folding machine according to claim 1 is characterized in that: A guide roller (10) is arranged on the upper side of the material outlet (3-1), and the rotating shafts on the front and rear sides of the guide roller (10) are respectively screwed to the front and rear inner walls of the material outlet (3-1) through bearings.

3. The high-efficiency mask production folding machine according to claim 1 is characterized in that: The material guiding mechanism (4) comprises: Support plates (4-1), wherein the number of the support plates (4-1) is two and they are symmetrically fixed on the upper surface of the workbench (1) in the front and rear directions; A fixed roller (4-2), wherein the fixed roller (4-2) is arranged at the lower side between the front and rear support plates (4-1), and the rotating shafts at the front and rear ends of the fixed roller (4-2) are respectively screwed to the front and rear support plates (4-1) through bearings; A movable roller (4-3), wherein the movable roller (4-3) is suspended above the fixed roller (4-2), and the rotating shafts at both ends of the movable roller (4-3) are both rotationally connected to sliding blocks (4-4) through bearings, and the sliding blocks (4-4) are respectively slidably arranged in the sliding grooves on the side walls of the support plate (4-1) at the front and rear sides; The resisting spring (4-5) is two and is respectively embedded in the slide grooves on the side walls of the support plate (4-1) at the front and rear sides. The upper and lower ends of the resisting spring (4-5) are respectively fixed on the inner top wall of the slide groove and the upper side wall of the sliding block (4-4).

4. The high-efficiency mask production folding machine according to claim 1, characterized in that: The folding mechanism (5) comprises: A folding plate (5-1), wherein the folding plates (5-1) are in plurality and are stacked from front to back and from top to bottom, with a gap between two adjacent folding plates (5-1), one side of the folding plate (5-1) is arranged perpendicular to the workbench (1), and the other side of the folding plate (5-1) is arranged parallel to the workbench (1) after being tilted; A lower support plate (5-2), wherein there are several lower support plates (5-2) fixed on the upper surface of the workbench (1), and the upper side of the lower support plate (5-2) is fixed on both sides of the lower side walls of several spaced folding plates (5-1); An upper support plate (5-3), wherein there are several upper support plates (5-3) fixed on the inner top wall of the protective cover (3), and the lower side of the upper support plate (5-3) is fixed on the upper side of several other folding plates (5-1); Extrusion rollers (5-4), there are two extrusion rollers (5-4), which are symmetrically arranged inside the protective cover (3) in an upper and lower manner, and the rotating shafts on the front and rear sides of the lower extrusion roller (5-4) are respectively screwed to the front and rear side walls of the protective cover (3) through bearings; A mounting frame (5-5), wherein the mounting frame (5-5) is arranged in an inverted "U" shape, the mounting frame (5-5) is sleeved on the upper extrusion roller (5-4), and the vertical plates on the front and rear sides of the mounting frame (5-5) are respectively rotatably connected to the rotating shafts on the front and rear sides of the upper extrusion roller (5-4) through bearings; The squeezing springs (5-6) are multiple and are fixed on the upper side wall of the horizontal plate of the mounting frame (5-5) in a matrix manner. The upper ends of the squeezing springs (5-6) are fixed on the inner top wall of the protective cover (3).

5. The high-efficiency mask production folding machine according to claim 4 is characterized in that: A telescopic rod (11) is provided inside the extrusion spring (5-6), and the upper and lower ends of the telescopic rod (11) are respectively fixed to the inner top wall of the protective cover (3) and the upper side wall of the horizontal plate of the mounting frame (5-5).

6. The high-efficiency mask production folding machine according to claim 1, characterized in that: The lifting mechanism (9) comprises: A lifting plate (9-1), wherein the lifting plate (9-1) is suspended on the upper side of the interior of the protective cover (3), and the pressing plates (8) are fixed at equal distances on the lower surface of the lifting plate (9-1); Connecting rods (9-2), there are four connecting rods (9-2), which are respectively screwed on the upper surface of the lifting plate (9-1) through hinge seats, and the other ends of the connecting rods (9-2) are respectively inclined to a side away from the center of the lifting plate (9-1); The movable blocks (9-3) are two in number and are both arranged in an inverted "U" shape. The horizontal plates of the movable blocks (9-3) are respectively movably arranged in the front and rear cavities (3-2) on the upper side wall of the protective cover (3). The vertical plates on the front and rear sides of the movable blocks (9-3) pass through the front and rear sliding grooves on the lower side wall of the cavity (3-2) and are then rotated to the top ends of the two adjacent front and rear connecting rods (9-2) through hinged seats. Racks (9-4), there are two racks (9-4), which are arranged in a movable cavity (3-3) on the upper side wall of the protective cover (3) on the left and right sides, and the movable cavity (3-3) is arranged between the two cavities (3-2). The racks (9-4) pass through the side walls of the movable cavity (3-3) respectively and are fixed on the moving block (9-3); A gear (9-5), wherein the gear (9-5) is arranged at the center of the movable cavity (3-3), and the rotating shafts on the upper and lower sides of the gear (9-5) are respectively screwed to the upper and lower inner walls of the movable cavity (3-3) through bearings, and the gear (9-5) is respectively meshed with the racks (9-4) on both sides; A push rod (9-6), the push rod (9-6) and the upper side wall of one of the racks (9-4) are on a side away from the moving block (9-3), and the other end of the push rod (9-6) passes through the front side wall of the protective cover (3) and is exposed on the front side of the protective cover (3); A push spring (9-7), wherein the push spring (9-7) is fixed to the inner end of the push rod (9-6), and the other end of the push spring (9-7) is fixed to the rear inner wall of the upper side wall of the protective cover (3); The limiting rod (9-8) is screwed to the outer wall of the front side of the protective cover (3) through the shaft and the shaft rod, and the limiting rod (9-8) is inserted in cooperation with the slot at the front end of the pushing rod (9-6).

7. The high-efficiency mask production folding machine according to claim 1 is characterized in that: A support block (12) is fixed on one end of the rack (9-4) which is away from a side wall of the gear (9-5) and away from the moving block (9-3). The support block (12) is slidably arranged in a slide groove on the inner wall of the active cavity (3-3).

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