CN115323760A

CN115323760A - A high-efficient electret device for production of medical gauze mask non-woven fabrics

Info

Publication number: CN115323760A
Application number: CN202210816800.5A
Authority: CN
Inventors: 李魏; 杨海峰; 丁明冬; 施枫; 沈晓芳
Original assignee: Huzhou Creative Plastic New Material Technology Co ltd
Current assignee: Huzhou Creative Plastic New Material Technology Co ltd
Priority date: 2022-07-12
Filing date: 2022-07-12
Publication date: 2022-11-11

Abstract

The invention discloses a high-efficiency electret device for producing medical mask non-woven fabrics, and relates to the technical field of non-woven fabric production. This a high-efficient electret device for production of medical gauze mask non-woven fabrics, including the bottom plate, the top fixed mounting of bottom plate has two sets of wind-up rolls, and the top fixed mounting of bottom plate has electret case, and electret case's inside is provided with elevating system and fixture, and electret case's inboard top is provided with hold-down mechanism, and the top of bottom plate is provided with the cutting bed. This a high-efficient electret device for production of medical gauze mask non-woven fabrics through elevating system and fixture's cooperation, can realize the centre gripping to the electret stick of different length, has solved current partial device and can not carry out the centre gripping to the electret stick of different length, and the electret stick damages and expends more time at the in-process of installation and dismantlement when needing to be changed, has restricted the application scope's of device problem, has improved the flexibility of device, has promoted the practicality of device.

Description

A high-efficient electret device for production of medical gauze mask non-woven fabrics

Technical Field

The invention relates to the technical field of non-woven fabric production, in particular to a high-efficiency electret device for producing medical mask non-woven fabric.

Background

In the process of producing the non-woven fabric, an electret device is needed to be used for enhancing the adsorption of dust, but the existing partial device, for example, the device in the patent with the publication number of CN214992627U, can not clamp electret rods with different lengths, and consumes more time in the installation and disassembly processes when the electret rods are damaged and need to be replaced, so that the application range of the device is limited.

Disclosure of Invention

The invention aims to solve at least one technical problem in the prior art, and provides an efficient electret device for producing medical mask non-woven fabrics, which can solve the problems that partial devices in the prior art cannot clamp electret rods with different lengths, cannot limit non-woven fabrics on a rotating roller and cannot effectively tension the non-woven fabrics.

In order to achieve the purpose, the invention provides the following technical scheme: an efficient electret device for producing medical mask non-woven fabrics comprises:

the winding machine comprises a base plate, two groups of winding rollers are fixedly mounted at the top of the base plate, a pole-standing box is fixedly mounted at the top of the base plate, a lifting mechanism and a clamping mechanism are arranged inside the pole-standing box, a pressing mechanism is arranged at the top of the inner side of the pole-standing box, a cutting table is arranged at the top of the base plate, a first motor is fixedly mounted on the outer surface of the front side of one group of winding rollers, and an electrostatic generator is fixedly mounted at the top of the pole-standing box;

and the limiting mechanism is arranged in the electret box, two groups of rotating rollers are rotatably arranged between the inner walls of the front side and the rear side of the electret box, a group of limiting plates are respectively arranged in the two groups of rotating rollers, limiting grooves are respectively formed in the two groups of rotating rollers, and the two groups of limiting plates respectively extend out of the rotating rollers through the limiting grooves.

Preferably, stop gear includes live-rollers, limiting plate, spacing spring, the guide bar, the extension board, first hydraulic stem and connection rope, each fixed mounting has a set of spacing spring between the rear side outer surface of two sets of limiting plates and the rear side inner wall of live-rollers, the top fixed mounting of bottom plate has two sets of guide bars, movable sleeve is equipped with the extension board on two sets of guide bars, the front side outer surface fixed mounting of electret case has first hydraulic stem, the free end and the extension board fixed connection of first hydraulic stem, the bottom fixed mounting of extension board has two sets of connection ropes, electret case's front side is seted up and is equipped with two sets of rope handling holes, two sets of connection ropes respectively through the rope handling hole extend to the inside of live-rollers and with two sets of limiting plate fixed connection.

Preferably, elevating system includes second motor, belt pulley, belt, two-way threaded rod and lifter plate, and the top fixed mounting of electret case has the second motor, and the inboard top of electret case is rotated and is installed two sets of belt pulleys, and the output shaft of second motor passes through shaft coupling and a set of belt pulley fixed connection, and the cover is established between two sets of belt pulleys and is installed the belt, and fixed mounting has two sets of two-way threaded rod between the inboard bottom of two sets of belt pulleys and electret case, is provided with two sets of lifter plates between two sets of two-way threaded rod, and each threaded mounting of two sets of lifter plates is on two sets of two-way threaded rod.

Preferably, fixture includes the fixture block, the cardboard, the connecting block, positioning screw and tooth piece, a set of spout has respectively been seted up to two sets of lifter plates, each fixed mounting of inner wall of two sets of spouts has a set of pinion rack, respectively be provided with two sets of clamp blocks on two sets of lifter plates, each fixed mounting has a set of cardboard on every wherein a set of clamp block, every another clamping block fixed mounting of group is on two sets of lifter plates, two sets of cardboards respectively extend to the inside of two sets of lifter plates through the spout, each fixed mounting of one side surface of every wherein a set of clamp block has a set of connecting block, a set of positioning screw is installed to each screw thread on two sets of connecting blocks, two sets of positioning screws respectively extend to the inside and the fixed mounting of two sets of lifter plates through the spout and have a set of tooth piece, two sets of tooth pieces respectively mesh with two sets of pinion racks mutually, be provided with a set of pole holding stick between every two sets of clamp blocks.

Preferably, hold-down mechanism includes the second hydraulic stem, first buffer board, the second buffer board, gag lever post and pinch roller, the inboard top fixed mounting of electret case has the second hydraulic stem, the free end fixed mounting of second hydraulic stem has first buffer board, be provided with the second buffer board under the first buffer board, the top fixed mounting of second buffer board has two sets of gag lever posts, two sets of gag lever posts respectively run through the top that first buffer board extended to first buffer board and fixed mounting has a set of dog, fixed mounting has two sets of buffer spring between first buffer board and the second buffer board, the bottom of second buffer board is provided with the pinch roller.

Preferably, the top fixed mounting of electret case has the air heater, the inboard top fixed mounting of electret case has telescopic link and hose, the bottom fixed mounting of first buffer board has the play dryer, the one end of hose runs through the top of electret case and the output fixed connection of air heater, the other end of hose runs through first buffer board and communicates with each other with the inside of play dryer, it heats the non-woven fabrics before the electret to have reached, improve the flourishing degree of looseness of preventing cheating, make the affinity and the contact degree of non-woven fabrics and electric field higher, can reduce the resistance of non-woven fabrics self to the electric field to a certain extent, the effect of dwell time of extension static on the non-woven fabrics.

Preferably, a set of bar groove has respectively been seted up to the both sides of electret case, and two sets of bar inslots respectively are provided with a set of door plant, and a set of fixed screw is installed to each screw thread of one side surface of two sets of door plants, and each fixed mounting of one end of two sets of fixed screws has a set of block rubber and extends to the inside in bar groove, and each fixed mounting of one side surface of two sets of door plants has a set of handle, has reached when the electret with the closed effect of avoiding external environment to the influence of internal operation of electret case.

Preferably, the mounting groove has been seted up at the top of bottom plate, and the cutting bed sets up in the mounting groove, and the inside of cutting bed is provided with the cutting knife, has reached and to have carried out the effect of cutting to it after the completion of non-woven fabrics electret treatment.

Compared with the prior art, the invention has the beneficial effects that:

(1) This a high-efficient electret device for production of medical gauze mask non-woven fabrics, use through elevating system and fixture's cooperation, can realize using electret stick of different length as required and effectively carry out the centre gripping effect to electret stick, it can not carry out the centre gripping to electret stick of different length to have solved current partial device, and electret stick damage consumes more time at the in-process of installation and dismantlement when needing to be changed, the problem of the application scope of device has been restricted, the flexibility of device has been improved, the practicality of device has been promoted.

(2) This a high-efficient electret device for production of medical gauze mask non-woven fabrics, cooperation through limiting plate and connection rope is used, can carry out limiting displacement to the non-woven fabrics on the live-rollers and avoid taking place the slip skew, it is when carrying out the electret to have solved current partial device, the non-woven fabrics of different width is when the live-rollers moves, the less non-woven fabrics of width can be because of sliding and take place the skew, lead to the device can not fully carry out the electret to the non-woven fabrics and handle, the production quality's of non-woven fabrics problem has been reduced, the production quality is improved, be favorable to the popularization and the use of device.

(3) This a high-efficient electret device for production of medical gauze mask non-woven fabrics, cooperation through second hydraulic stem and pinch roller is used, can make the non-woven fabrics be in tight state constantly when electret is handled, in order fully to receive electret and handle, it is when carrying out electret and handle to have solved current partial device, because non-woven fabrics motion in-process can take place not hard up, lead to it can not laminate effectively on wind-up roll and live-rollers, can produce the deviation when leading to electret to handle, the problem of electret efficiency of device has been reduced, electret efficiency has been improved, the result of use of device has been guaranteed.

Drawings

The invention is further illustrated with reference to the following figures and examples:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a schematic diagram of the right side view structure of the present invention;

FIG. 4 is an enlarged view of the portion A of the present invention;

FIG. 5 is an enlarged view of the area B of the present invention;

FIG. 6 is an enlarged view of the area C according to the present invention.

Reference numerals: 1. a base plate; 2. a wind-up roll; 3. a electret tank; 4. a limiting mechanism; 401. a rotating roller; 402. a limiting plate; 403. a limiting spring; 404. a guide bar; 405. stretching the plate; 406. a first hydraulic lever; 407. connecting ropes; 5. a lifting mechanism; 501. a second motor; 502. a belt pulley; 503. a belt; 504. a bidirectional threaded rod; 505. a lifting plate; 6. a clamping mechanism; 601. a clamping block; 602. clamping a plate; 603. connecting blocks; 604. adjusting screws; 605. a tooth block; 7. a electret rod; 8. a hold-down mechanism; 801. a second hydraulic rod; 802. a first buffer plate; 803. a second buffer plate; 804. a limiting rod; 805. a pinch roller; 9. a hot air blower; 10. a telescopic rod; 11. a hose; 12. an air outlet cylinder; 13. cutting table; 14. a door panel; 15. fixing screws; 16. a handle; 17. a first motor; 18. an electrostatic generator.

Detailed Description

Reference will now be made in detail to the present embodiments of the present invention, preferred embodiments of which are illustrated in the accompanying drawings, wherein the drawings are provided for the purpose of visually supplementing the description in the specification and so forth, and which are not intended to limit the scope of the invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, greater than, less than, exceeding, etc. are understood as excluding the present numbers, and the above, below, inside, etc. are understood as including the present numbers. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1-6, the present invention provides a technical solution: a high-efficiency electret device for producing medical mask non-woven fabrics comprises a bottom plate 1 and a limiting mechanism 4, wherein two groups of winding rollers 2 are fixedly mounted at the top of the bottom plate 1, an electret box 3 is fixedly mounted at the top of the bottom plate 1, a lifting mechanism 5 and a clamping mechanism 6 are arranged inside the electret box 3, a pressing mechanism 8 is arranged at the top of the inner side of the electret box 3, a cutting table 13 is arranged at the top of the bottom plate 1, a first motor 17 is fixedly mounted on the outer surface of the front side of one group of winding rollers 2, an electrostatic generator 18 is fixedly mounted at the top of the electret box 3, a group of strip-shaped grooves are respectively formed in two sides of the electret box 3, a group of door plates 14 are respectively arranged in the two groups of strip-shaped grooves, a group of fixing screws 15 are respectively mounted on the outer surface of one side of each group of fixing screws 15 and extend into the strip-shaped grooves, a group of handles 16 are respectively fixedly mounted on the outer surface of one side of each group of door plates 14, a mounting groove is formed in the top of the bottom plate 1, the cutting table 13 is arranged in the mounting groove, and a cutting table is arranged in the mounting groove, and a cutting knife is arranged in the cutting table 13;

limiting mechanism 4 sets up in the inside of electret case 3, and two sets of live rollers 401 are installed in the rotation between the front and back side inner wall of electret case 3, and two sets of live rollers 401's inside respectively is provided with a set of limiting plate 402, has respectively seted up the spacing groove on two sets of live rollers 401, and two sets of limiting plate 402 respectively extends to outside the live rollers 401 through the spacing groove.

The limiting mechanism 4 comprises a rotating roller 401, limiting plates 402, limiting springs 403, guide rods 404, a stretching plate 405, a first hydraulic rod 406 and connecting ropes 407, a group of limiting springs 403 is fixedly installed between the outer surfaces of the rear sides of the two groups of limiting plates 402 and the inner wall of the rear side of the rotating roller 401, two groups of guide rods 404 are fixedly installed at the top of the bottom plate 1, the stretching plate 405 is movably sleeved on the two groups of guide rods 404, the first hydraulic rod 406 is fixedly installed on the outer surface of the front side of the electret box 3, the free end of the first hydraulic rod 406 is fixedly connected with the stretching plate 405, two groups of connecting ropes 407 are fixedly installed at the bottom of the stretching plate 405, two groups of rope penetrating holes are formed in the front side of the electret box 3, the two groups of connecting ropes 407 extend to the inside of the rotating roller 401 through the rope penetrating holes and are fixedly connected with the two groups of limiting plates 402, under the matching effect of the limiting plates 402 and the connecting ropes, the non-woven fabric on the rotating roller 401 can be limited to avoid sliding, the problem that the non-woven fabric can be subjected to the problem of insufficient in production and the quality reduction of the non-woven fabric production and the popularization and the quality reduction of the non-woven fabric production.

Elevating system 5 includes second motor 501, belt pulley 502, belt 503, two-way threaded rod 504 and lifter plate 505, the top fixed mounting of electret box 3 has second motor 501, two sets of belt pulleys 502 are installed in the inboard top of electret box 3 rotation, the output shaft of second motor 501 passes through shaft coupling and a set of belt pulley 502 fixed connection, the cover is established between two sets of belt pulleys 502 and is installed belt 503, fixed mounting has two sets of two-way threaded rod 504 between the inboard bottom of two sets of belt pulleys 502 and electret box 3, be provided with two sets of lifter plate 505 between two sets of two-way threaded rod 504, two sets of lifter plate 505 each screw thread is installed on two sets of two-way threaded rod 504.

The clamping mechanism 6 comprises clamping blocks 601, clamping plates 602, connecting blocks 603, positioning screws 604 and tooth blocks 605, a group of sliding grooves are formed in each of the two groups of lifting plates 505, a group of toothed plates are fixedly mounted on the inner walls of the two groups of sliding grooves, two groups of clamping blocks 601 are arranged on the two groups of lifting plates 505, a group of clamping plates 602 is fixedly mounted on each group of clamping blocks 601, another group of clamping blocks 601 is fixedly mounted on the two groups of lifting plates 505, the two groups of clamping plates 602 extend into the two groups of lifting plates 505 through the sliding grooves, a group of connecting blocks 603 is fixedly mounted on the outer surface of one side of each group of clamping blocks 601, a group of positioning screws 604 are mounted on each group of connecting blocks 603 in a threaded mode, the two groups of positioning screws 604 extend into the two groups of lifting plates 505 through the sliding grooves and are fixedly mounted with a group of tooth blocks 605, the two groups of tooth blocks 605 are respectively meshed with the two groups of toothed plates, a group of electrode bars 7 are arranged between each two groups of clamping blocks 601, under the matching effect of the lifting mechanisms 5 and the clamping mechanisms 6, the problem that the electrode bars 7 with different lengths cannot be clamped by some existing devices is solved, the problems that the clamping bars 7 need to be replaced, the problem that the number of the clamping devices and the device is limited in the range of the device that the device and the device is limited in the applicable range of the device is limited is avoided, and the device is limited in the device.

The pressing mechanism 8 comprises a second hydraulic rod 801, a first buffer plate 802, a second buffer plate 803, a limiting rod 804 and a pressing wheel 805, the top of the inner side of the electret tank 3 is fixedly provided with the second hydraulic rod 801, the free end of the second hydraulic rod 801 is fixedly provided with the first buffer plate 802, the second buffer plate 803 is arranged under the first buffer plate 802, the top of the second buffer plate 803 is fixedly provided with two groups of limiting rods 804, the two groups of limiting rods 804 respectively penetrate through the first buffer plate 802 to extend to the top of the first buffer plate 802 and are fixedly provided with a group of stoppers, two groups of buffer springs are fixedly arranged between the first buffer plate 802 and the second buffer plate 803, the bottom of the second buffer plate 803 is provided with the pressing wheel 805, the top of the electret tank 3 is fixedly provided with the hot air blower 9, the utility model discloses a pneumatic device, including electret case 3, wind-out section of thick bamboo 12, the inboard top fixed mounting of electret case 3 has telescopic link 10 and hose 11, the bottom fixed mounting of first buffer board 802 has a tuber pipe 12, the one end of hose 11 runs through the top of electret case 3 and the output fixed connection of air heater 9, the other end of hose 11 runs through first buffer board 802 and communicates with each other with the inside of tuber pipe 12, under the mating reaction of second hydraulic stem 801 and pinch roller 805, can make the non-woven fabrics keep tightly when the electret is handled, when having solved current partial device and being carried out the electret and handling, can take place not hard up because the non-woven fabrics motion in-process, lead to its problem that can not laminate effectively on wind-up roll 2 and live-roll 401, the reduction of device utmost point efficiency has been avoided, electret efficiency has been improved, the result in device's result of use has been guaranteed.

The working principle is as follows: before electret treatment, a door panel 14 is lifted through a handle 16 to open an electret box 3, a fixing screw 15 is rotated to extrude the electret box 3 to fix the door panel 14, a positioning screw 604 is rotated as required to enable a tooth block 605 to be separated from a toothed plate in a lifting plate 505, a clamping block 601 is slid to a proper distance and an electret rod 7 with a proper length is replaced to clamp the electret box, non-woven fabric to be treated is installed on a winding roller 2 and passes through a rotating roller 401 and a cutting table 13, the free end of a first hydraulic rod 406 is controlled to extend or shorten, a stretching plate 405 moves up and down and drives a connecting rope 407 to stretch, a limiting plate 402 is pulled by the connecting rope 407 to move on the rotating roller 401 to limit the non-woven fabric, a first motor 17 is controlled to start to drive the non-woven fabric to move, the door panel 14 is then placed down to close the electret box 3 to complete installation, a second motor 501 is controlled to start to drive two groups of belt pulleys 502 to rotate, the belt pulleys 502 drive a bidirectional threaded rod 504 to rotate to control two groups of the lifting plates 505 to approach each other, the two groups of the non-woven fabric, the two groups of the non-woven fabric are controlled to start a hot air outlet static pressure bar heating machine to control a hot air pressing machine to descend and control a hot air pressing roller 12 to control the hot air outlet hot air pressing machine to control the hot air pressing machine to descend from a hot air pressing roller to contact with the hot air pressing roller 12 at the hot air pressing machine.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. A high-efficient electret device for production of medical gauze mask non-woven fabrics which is characterized by comprising:

the winding device comprises a base plate (1), two groups of winding rollers (2) are fixedly mounted at the top of the base plate (1), an electret box (3) is fixedly mounted at the top of the base plate (1), a lifting mechanism (5) and a clamping mechanism (6) are arranged inside the electret box (3), a pressing mechanism (8) is arranged at the top of the inner side of the electret box (3), a cutting table (13) is arranged at the top of the base plate (1), a first motor (17) is fixedly mounted on the outer surface of the front side of one group of winding rollers (2), and an electrostatic generator (18) is fixedly mounted at the top of the electret box (3);

limiting mechanism (4) sets up in the inside of electret case (3), rotates between the front and back side inner wall of electret case (3) and installs two sets of live rollers (401), and the inside of two sets of live rollers (401) respectively is provided with a set of limiting plate (402), has respectively seted up the spacing groove on two sets of live rollers (401), and two sets of limiting plate (402) respectively extend to outside live roller (401) through the spacing groove.

2. The efficient electret device for producing medical mask non-woven fabric according to claim 1, wherein the electret device comprises: stop gear (4) are including live-rollers (401), limiting plate (402), spacing spring (403), guide bar (404), tensile board (405), first hydraulic stem (406) and connection rope (407), each fixed mounting has a set of spacing spring (403) between the rear side outer surface of two sets of limiting plate (402) and the rear side inner wall of live-rollers (401), the top fixed mounting of bottom plate (1) has two sets of guide bar (404), movable sleeve is equipped with tensile board (405) on two sets of guide bar (404), the front side outer surface fixed mounting of electret case (3) has first hydraulic stem (406), the free end and tensile board (405) fixed connection of first hydraulic stem (406), the bottom fixed mounting of tensile board (405) has two sets of connection rope (407), two sets of reeving holes have been seted up to the front side of electret case (3), two sets of connection rope (407) respectively extend to the inside of live-rollers (401) and with two sets of limiting plate (402) fixed connection through the reeving hole.

3. The efficient electret device for producing medical mask non-woven fabric according to claim 2, wherein the electret device comprises: elevating system (5) include second motor (501), belt pulley (502), belt (503), two-way threaded rod (504) and lifter plate (505), the top fixed mounting of electret case (3) has second motor (501), two sets of belt pulley (502) are installed in the inboard top rotation of electret case (3), the output shaft of second motor (501) passes through shaft coupling and a set of belt pulley (502) fixed connection, cover between two sets of belt pulley (502) and establish belt (503), fixed mounting has two sets of two-way threaded rod (504) between the inboard bottom of two sets of belt pulley (502) and electret case (3), be provided with two sets of lifter plate (505) between two sets of two-way threaded rod (504), each threaded mounting of two sets of lifter plate (505) is on two sets of two-way threaded rod (504).

4. The efficient electret device for producing medical mask non-woven fabric according to claim 3, wherein the electret device comprises: the clamping mechanism (6) comprises clamping blocks (601), clamping plates (602), connecting blocks (603), positioning screws (604) and tooth blocks (605), a set of sliding grooves are formed in two sets of lifting plates (505), a set of toothed plates are fixedly mounted on the inner walls of the two sets of sliding grooves, two sets of clamping blocks (601) are arranged on the two sets of lifting plates (505), a set of clamping plates (602) are fixedly mounted on each set of clamping blocks (601), another set of clamping blocks (601) are fixedly mounted on the two sets of lifting plates (505), two sets of clamping plates (602) extend to the interiors of the two sets of lifting plates (505) through the sliding grooves, a set of connecting blocks (603) are fixedly mounted on the outer surface of one side of each set of clamping blocks (601), a set of positioning screws (604) are mounted on each set of connecting blocks (603) through threads, two sets of positioning screws (604) extend to the interiors of the two sets of lifting plates (505) through the sliding grooves, a set of tooth blocks (605) are fixedly mounted on the two sets of tooth blocks (605), and are meshed with the two sets of tooth blocks (601), and a set of polar rods (7) are arranged between each set of clamping blocks (601).

5. The efficient electret device for producing medical mask non-woven fabric according to claim 4, wherein the electret device comprises: hold-down mechanism (8) include second fluid pressure pole (801), first buffer board (802), second buffer board (803), gag lever post (804) and pinch roller (805), inboard top fixed mounting of electret case (3) has second fluid pressure pole (801), the free end fixed mounting of second fluid pressure pole (801) has first buffer board (802), be provided with second buffer board (803) under first buffer board (802), the top fixed mounting of second buffer board (803) has two sets of gag lever posts (804), two sets of gag lever posts (804) respectively run through first buffer board (802) and extend to the top and the fixed mounting of first buffer board (802) and have a set of dog, fixed mounting has two sets of buffer spring between first buffer board (802) and second buffer board (803), the bottom of second buffer board (803) is provided with pinch roller (805).

6. The efficient electret device for producing medical mask non-woven fabric according to claim 5, wherein the electret device comprises: the air heater is characterized in that an air heater (9) is fixedly mounted at the top of the electret box (3), an expansion rod (10) and a hose (11) are fixedly mounted at the top of the inner side of the electret box (3), an air outlet cylinder (12) is fixedly mounted at the bottom of the first buffer plate (802), one end of the hose (11) penetrates through the top of the electret box (3) and the output end of the air heater (9) and is fixedly connected with the other end of the hose (11) penetrates through the first buffer plate (802) and is communicated with the inside of the air outlet cylinder (12).

7. The efficient electret device for producing medical mask non-woven fabric according to claim 6, wherein the electret device comprises: a set of bar groove has respectively been seted up to the both sides of electret case (3), and two sets of bar inslot respectively are provided with a set of door plant (14), and a set of fixed screw (15) are installed to each screw thread of one side surface of two sets of door plant (14), and each fixed mounting of one end of two sets of fixed screw (15) has a set of block rubber and extends to the inside in bar groove, and each fixed mounting of one side surface of two sets of door plant (14) has a set of handle (16).

8. The efficient electret device for producing medical mask non-woven fabric according to claim 7, wherein the electret device comprises: the cutting device is characterized in that a mounting groove is formed in the top of the base plate (1), the cutting table (13) is arranged in the mounting groove, and a cutting knife is arranged inside the cutting table (13).