CN114836963A

CN114836963A - Dust collection device for electronic glass fiber cloth production

Info

Publication number: CN114836963A
Application number: CN202210357053.3A
Authority: CN
Inventors: 何忠青; 何忠武
Original assignee: Tongling Huayang Special Wire Co ltd
Current assignee: Tongling Huayang Special Wire Co ltd
Priority date: 2022-04-01
Filing date: 2022-04-01
Publication date: 2022-08-02
Anticipated expiration: 2042-04-01
Also published as: CN114836963B

Abstract

The invention discloses a dust suction device for electronic glass fiber cloth production, and relates to the technical field of glass fiber cloth production. The invention comprises a box body, a front cleaning mechanism and a back cleaning mechanism; the front cleaning mechanism comprises two end plates, a bottom plate and a connecting plate which are fixed between the two end plates, and a front cleaning roller which is rotatably connected between the two end plates, the bottom plate is connected with an upper dust suction pipe, and the rotating directions of the two front cleaning rollers are opposite; two reverse side cleaning mechanisms are arranged and are respectively positioned at two sides of the guide roller; the reverse side cleaning mechanism comprises a dust collection box body, a reverse side cleaning roller which is rotatably connected inside the dust collection box body, and a lower dust suction pipe which is connected to the bottom of the dust collection box body. According to the invention, the two front cleaning rollers of the front cleaning mechanism are used for cleaning the front side of the glass fiber cloth in two directions, and the back cleaning rollers of the two back cleaning mechanisms are used for cleaning the back side of the glass fiber cloth in two directions, so that the problems of fixed rotation direction of the existing cleaning rollers, poor cleaning effect of the glass fiber cloth and low cleaning efficiency are solved.

Description

Dust collection device for electronic glass fiber cloth production

Technical Field

The invention belongs to the technical field of glass fiber cloth production, and particularly relates to a dust suction device for electronic glass fiber cloth production.

Background

The glass fiber cloth becomes brittle after smoldering, the strength is reduced, more dust foreign matters, short hairiness and the like are easily attached to the surface of the glass fiber cloth, and if the glass fiber cloth is not subjected to dust removal treatment, the dust foreign matters, the short hairiness and the like on the surface of the glass fiber cloth are brought into a size tank to cause pollution.

Meanwhile, if the short hairiness on the glass fiber cloth is not thoroughly cleaned, the glass fiber cloth with the short hairiness on the surface is easy to degum when in use, and the colloidal particles are abnormal, thereby affecting the overall product quality and the service performance of the glass fiber cloth.

For example, chinese invention CN202011215073.4 discloses a glass fiber cloth surface broken filament removing device and a working method thereof, which cleans the surface of glass fiber cloth by rotating a removing roller, and sucks the broken filaments into a collecting box under the action of a negative pressure pump.

However, the rotating direction of the cleaning roller is fixed and unchanged, so that the hairiness on the surface of the glass fiber cloth, which is consistent with the rotating direction of the cleaning roller, generates a hair-following effect, is not easy to be cleaned by the cleaning roller, the integral cleaning effect of the glass fiber cloth is poor, and the cleaning efficiency is low.

Disclosure of Invention

The invention aims to provide a dust collection device for electronic glass fiber cloth production, which cleans the front side of glass fiber cloth in two directions by two front side cleaning rollers of a front side cleaning mechanism, and cleans the back side of the glass fiber cloth in two directions by two back side cleaning rollers of two back side cleaning mechanisms, so that the problems of fixed rotation direction of the existing cleaning rollers, poor cleaning effect of the glass fiber cloth and low cleaning efficiency are solved.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to a dust suction device for producing electronic glass fiber cloth, which comprises a box body, wherein an inlet and an outlet are respectively formed in two opposite side walls of the box body, a first supporting roller and a second supporting roller which correspond to the inlet and the outlet are rotatably connected in the box body, and the dust suction device also comprises: the device comprises a guide roller, a front cleaning mechanism and a back cleaning mechanism. The guide roll, the first supporting roll and the second supporting roll are distributed in an inverted isosceles triangle mode and are used for enabling the glass fiber cloth to sequentially pass through the first supporting roll, the guide roll and the second supporting roll and then form a V-shaped structure.

The front cleaning mechanism comprises two end plates, a bottom plate and a connecting plate which are fixed between the two end plates, and a front cleaning roller which is rotatably connected between the two end plates; the bottom plate is positioned below the connecting plate, and a gap is reserved between the bottom plate and the connecting plate; the lower surface of the bottom plate is fixedly connected with an upper dust suction pipe with one closed end, and a dust suction port is formed in the connection surface of the bottom plate and the upper dust suction pipe; the two front cleaning rollers are respectively positioned on two sides of the connecting plate in the horizontal direction, the upper surface of the connecting plate is connected with two driving devices, the two driving devices respectively drive the two front cleaning rollers, the rotating directions of the two front cleaning rollers are opposite, and the two front cleaning rollers are respectively contacted with the glass fiber cloth, so that the front of the glass fiber cloth is cleaned in different directions.

The two reverse side cleaning mechanisms are respectively positioned at two sides of the guide roller; the reverse side cleaning mechanism comprises a dust collection box body, a reverse side cleaning roller rotatably connected inside the dust collection box body, a lower dust suction pipe fixedly connected to the bottom of the dust collection box body, a power device and a motor, wherein the lower dust suction pipe is communicated with the dust collection box body, one end of the lower dust suction pipe is closed, and the power device is used for driving the reverse side cleaning roller; two dust inlet notches are formed in the side wall of the dust suction box body and used for enabling the reverse side cleaning rollers to be in contact with the glass fiber cloth through the dust inlet notches, the rotating directions of the two reverse side cleaning rollers are opposite, and the reverse sides of the glass fiber cloth are cleaned in different directions.

As a preferable technical scheme of the invention, the cross section of the bottom plate is of a V-shaped structure, and the upper dust suction pipe is connected to the bending part of the bottom plate.

As a preferred technical scheme of the invention, the connecting plate is fixedly connected with C-shaped plates which correspond to the front sweeping rollers one by one, and the C-shaped plates are adapted to the outer sides of the front sweeping rollers and used for avoiding the diffusion of raised dust through the C-shaped plates; the side wall of the C-shaped plate is provided with an avoiding opening for the driving device to be in transmission connection with the front sweeping roller.

As a preferred technical solution of the present invention, the outer walls of the two C-shaped plates are fixedly connected with a top plate, so that a chamber is formed between the top plate and the connecting plate.

As a preferable technical scheme of the invention, the top plate is provided with an access hole corresponding to the position of the driving device and is connected with a cover plate for sealing the access hole.

As a preferred technical scheme of the invention, the front cleaning mechanism is positioned right above the guide roller and is in sliding connection with the inner wall of the box body; the top wall of the box body is fixedly connected with a screw rod nut; the lead screw nut is matched with a lead screw, and the lower end of the lead screw is rotatably connected with the front cleaning mechanism and used for driving the front cleaning mechanism to move up and down through the rotation of the lead screw, so that the contact and the separation between the front cleaning roller and the glass fiber cloth are realized.

As a preferable technical scheme of the invention, the side wall of the box body is provided with a straight notch which is vertically arranged, and one end of the upper dust suction pipe penetrates through the straight notch.

As a preferred technical scheme of the invention, the two lower dust suction pipes are rotationally connected with the side wall of the box body, and the outer wall of each lower dust suction pipe is fixedly connected with a sector worm gear; the bottom wall of the box body is rotatably connected with a transmission shaft and a motor connected with the transmission shaft; the transmission shaft is connected with worms respectively meshed with the two fan-shaped worm gears, and the two lower dust suction pipes are driven to rotate, so that the two reverse side cleaning mechanisms rotate towards the direction far away from and close to the guide roller, and the contact and separation between the reverse side cleaning mechanisms and the glass fiber cloth are realized.

As a preferable technical scheme of the invention, one end of each of the two lower dust suction pipes penetrates through the side wall of the box body, and angle marks are arranged on the lower dust suction pipe and the outer wall of the box body and used for determining the rotation angle of the lower dust suction pipe.

The invention has the following beneficial effects:

according to the invention, through arranging the front cleaning mechanism, the two front cleaning rollers with opposite rotation directions are used for cleaning the front side of the glass fiber cloth in two directions, and the two back cleaning rollers of the two back cleaning mechanisms are used for cleaning the back side of the glass fiber cloth in two directions, so that the phenomenon that the cleaning is not thorough due to hairiness on the surface of the glass fiber cloth in the same rotation direction as the cleaning rollers is avoided, and the cleaning effect is effectively improved, and the integral cleaning efficiency is improved.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a dust suction device for electronic glass fiber cloth production according to the present invention;

FIG. 2 is a schematic view of the internal structure of the case;

FIG. 3 is a side view of FIG. 1;

FIG. 4 is a cross-sectional view taken at A-A of FIG. 3;

FIG. 5 is an enlarged view of portion C of FIG. 4;

FIG. 6 is an enlarged view of portion D of FIG. 4;

FIG. 7 is a schematic structural view of a front cleaning mechanism;

FIG. 8 is a schematic view of the rear view of FIG. 7;

FIG. 9 is a schematic view of two reverse side cleaning mechanisms;

FIG. 10 is a front view of the reverse side cleaning mechanism;

FIG. 11 is a cross-sectional view taken at B-B of FIG. 10;

in the drawings, the components represented by the respective reference numerals are listed below:

1-box body, 2-front cleaning mechanism, 3-back cleaning mechanism, 4-fiberglass cloth, 21-front cleaning roller, 22-driving device, 31-power device, 101-first supporting roller, 102-second supporting roller, 103-guide roller, 104-screw rod nut, 105-screw rod, 106-transmission shaft, 107-motor, 108-worm, 109-straight notch, 201-end plate, 202-bottom plate, 203-connecting plate, 204-upper dust suction pipe, 205-dust suction port, 206-C-shaped plate, 207-top plate, 208-maintenance port, 209-cover plate, 301-dust suction box body, 302-back cleaning roller, 303-lower dust suction pipe, 304-dust inlet notch, 305-sector.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.

Example one

Referring to fig. 1, the present invention is a dust collecting device for electronic glass fiber cloth production, including a box body 1, two opposite side walls of the box body 1 are respectively provided with an inlet and an outlet for the glass fiber cloth 4 to enter and exit the box body 1, and the box body 1 is rotatably connected with a first supporting roller 101 and a second supporting roller 102 corresponding to the inlet and the outlet, and further including: a guide roller 103, a front cleaning mechanism 2 and a back cleaning mechanism 3.

As shown in fig. 2 to 4, the guide roller 103 is distributed in an inverted isosceles triangle with the first support roller 101 and the second support roller 102, so that the glass fiber cloth forms a V-shaped structure after passing through the first support roller 101, the guide roller 103 and the second support roller 102 in sequence.

As shown in fig. 5, 7 and 8, the front cleaning mechanism 2 is connected to the inner wall of the casing 1, and the front cleaning mechanism 2 includes two end plates 201, a bottom plate 202 and a connecting plate 203 fixed between the two end plates 201 by welding or screw connection, and a front cleaning roller 21 rotatably connected between the two end plates 201 through a bearing housing.

The bottom plate 202 is positioned below the connecting plate 203, a gap is reserved between the bottom plate and the connecting plate, an upper dust suction pipe 204 with one sealed end is welded on the lower surface of the bottom plate 202, the other end of the upper dust suction pipe 204 is connected with a negative pressure device, and a dust suction opening 205 is formed in the connecting surface of the bottom plate 202 and the upper dust suction pipe 204 through cutting;

the two front cleaning rollers 21 are respectively located on two sides of the connecting plate 203 in the horizontal direction, the upper surface of the connecting plate 203 is connected with two driving devices 22, the driving devices 22 can be driving motors, the two driving devices 22 respectively drive the two front cleaning rollers 21, the rotating directions of the two front cleaning rollers 21 are opposite, and the two front cleaning rollers are respectively contacted with the glass fiber cloth, so that the front of the glass fiber cloth can be cleaned in different directions.

Specifically, as shown in fig. 5, a rotating shaft of the front cleaning roller 21 is connected to a sprocket or a pulley, the driving device 22 drives the front cleaning roller 21 to rotate through a chain or a belt, a conveying direction of the glass fiber cloth 4 is shown as an arrow in the figure, at this time, the front cleaning roller 21 on the left side rotates counterclockwise to clean short feathers on the surface of the glass fiber cloth 4 downward along the conveying direction of the glass fiber cloth 4, and the bottom plate 202 and the connecting plate 203 generate an air flow from outside to inside, so that the cleaned short feathers or other foreign matters can be sucked into the middle of the bottom plate 202 and sucked into the upper dust suction pipe 204 through the dust suction port 205.

The right front cleaning roller 21 rotates clockwise at this time, short hairiness on the surface of the glass fiber cloth 4 is cleaned downwards in a direction opposite to the conveying direction of the glass fiber cloth 4, and the cleaned short hairiness or other foreign matters can fall onto the bottom plate 202 and the short hairiness or other foreign matters falling onto the bottom plate 202 are sucked into the upper dust suction pipe 204 through the dust suction port 205, so that the dust suction effect is achieved, and the generation of raised dust is avoided.

The cross section of the bottom plate 202 is of a V-shaped structure, the upper dust suction pipe 204 is connected to the bending part of the bottom plate 202, and the bottom plate 202 of the V-shaped structure enables short hairiness or other foreign matters to fall into the dust suction port 205 more easily after falling off the bottom plate 202 and to be sucked by the upper dust suction pipe 204, so that the dust suction effect is improved.

Meanwhile, the C-shaped plate 206 corresponding to the front cleaning roller 21 in a one-to-one manner is welded on the connecting plate 203, the C-shaped plate 206 is adapted to the outer side of the front cleaning roller 21, raised dust brought up when the front cleaning roller 21 is cleaned is isolated by the C-shaped plate 206 on one side close to the glass fiber cloth 4, and is convenient to be sucked by air flow generated by the upper dust suction pipe 204, so that the effect of avoiding the spread of the raised dust is achieved through the C-shaped plate 206, and the side wall of the C-shaped plate 206 is provided with an avoiding opening for the driving device 22 to be in transmission connection with the front cleaning roller 21.

Moreover, the top plate 207 is welded or screwed to the outer walls of the two C-shaped plates 206, so that a cavity is formed between the top plate 207 and the connecting plate 203, and the two driving devices 22 are located in the cavity, thereby facilitating the protection of the driving devices 22. In order to facilitate maintenance or overhaul of the driving device 22, the top plate 207 is provided with an overhaul port 208 corresponding to the driving device 22, and is connected with a cover plate 209 for sealing the overhaul port 208, so that the inside of the chamber can be kept relatively airtight, and when the driving device 22 needs to be overhauled, the cover plate 209 can be opened.

As shown in fig. 6 and 9 to 11, the two reverse cleaning mechanisms 3 are respectively located on two sides of the guide roller 103, each reverse cleaning mechanism 3 includes a dust collection box 301, a reverse cleaning roller 302 rotatably connected to the inside of the dust collection box 301 through a bearing seat, and a lower dust collection pipe 303 welded to the bottom of the dust collection box 301, the lower dust collection pipe 303 is communicated with the dust collection box 301, one end of the lower dust collection pipe 303 is closed, the other end of the lower dust collection pipe 303 is connected with a negative pressure device, and a power device 31 for driving the reverse cleaning roller 302 is provided.

Wherein, power device 31 installs and the outer wall of dust absorption box 301, and power device 31 passes through chain and belt drive reverse side cleaning mechanism 3, and the mouth of dodging that chain and belt passed is seted up to dust absorption box 301 lateral wall.

Dust inlet notches 304 are formed in the side walls of the two dust collection box bodies 301 and are used for enabling the reverse side cleaning rollers 302 to be in contact with the glass fiber cloth 4 through the dust inlet notches 304, the rotating directions of the two reverse side cleaning rollers 302 are opposite, and the reverse sides of the glass fiber cloth 4 are cleaned in different directions.

Specifically, as shown in fig. 6, the conveying direction of the glass fiber cloth 4 is as shown by an arrow in the figure, at this time, the left reverse cleaning mechanism 3 rotates clockwise, short hairiness on the surface of the glass fiber cloth 4 is cleaned downwards along the conveying direction of the glass fiber cloth 4, and under the action of the lower dust suction pipe 303, an air flow from outside to inside is generated at the dust inlet slot 304, so that the cleaned short hairiness or other foreign matters are sucked into the dust suction box body 301.

And the reverse side cleaning mechanism 3 on the right side rotates anticlockwise to clean short hairiness on the surface of the glass fiber cloth 4 downwards in the direction opposite to the conveying direction of the glass fiber cloth 4, so that the cleaned short hairiness or other foreign matters can also fall into the dust collection box body 301, and the short hairiness or other foreign matters falling into the dust collection box body 301 are finally extracted through the lower dust collection pipe 303.

Example two

On the basis of the first embodiment, the front cleaning mechanism 2 is located right above the guide roller 103 and is connected with the inner wall of the box body 1 in a sliding mode through a guide rail and slider mechanism. 1 roof fixedly connected with screw-nut 104 of box, screw-nut 104 cooperation has lead screw 105, and the lower extreme of lead screw 105 rotates with positive clearance mechanism 2 and is connected, the upper end of lead screw 105 is connected with the hand wheel, be used for rotating through lead screw 105, it reciprocates to drive positive clearance mechanism 2, realize openly cleaning the contact and the separation between roller 21 and the fine cloth of glass, if positive clearance mechanism 2 moves up, because the interval between the fine cloth 4 both sides of glass increases gradually, thereby make separation between positive cleaning roller 21 and the fine cloth 4 of glass, be convenient for overhaul positive clearance mechanism 2, and simultaneously, also be convenient for follow-up fine cloth 4 of glass first walk with the inside convenience of box, avoid positive clearance mechanism 2 to form and block, be not convenient for take place the condition of pulling the fine cloth 4 of glass and walking.

Through the up-and-down regulation of positive clearance mechanism 2, still can realize adjusting the contact dynamics between positive cleaning roller 21 and the fine cloth 4 of glass for the clearance dynamics obtains adjusting, if with positive clearance mechanism 2 removal down, makes positive cleaning roller 21 compress tightly fine cloth 4 of glass, thereby improves the clearance effort to fine cloth 4 of glass.

Simultaneously, the notch 109 of vertical setting is seted up to box 1 lateral wall, and go up dust absorption pipe 204 one end and run through notch 109, go up dust absorption pipe 204 and run through behind notch 109 and be connected with negative pressure device through the pipeline, will go up dust absorption pipe 204 and stretch out by notch 109, be convenient for judge the position of positive clearance mechanism 2 in box 1 inside through the position of last dust absorption pipe 204, thereby improve the convenience of adjusting, and the border of notch 109 can be carved with the scale mark, make the upper and lower position of positive clearance mechanism 2 judge more accurately.

EXAMPLE III

On the basis of the first embodiment or the second embodiment, the two lower dust suction pipes 303 are rotatably connected with the side wall of the box 301 through bearing seats, and the outer walls of the lower dust suction pipes 303 are fixedly connected with sector worm gears 305.

The box 301 diapire is connected with transmission shaft 106 through the bearing frame rotation to and the motor 107 of being connected with transmission shaft 106, transmission shaft 106 is connected with respectively with two fan-shaped worm wheel 305 engaged worms 108, utilize motor 107 to drive transmission shaft 106 and rotate, through worm 108 and fan-shaped worm wheel 305 meshing, drive two dust absorption pipes 303 and rotate down, make two reverse side clearance mechanisms 3 towards keeping away from and being close to the direction rotation of guide roll 103, realize contact and separation between reverse side clearance mechanism 3 and glass fiber cloth 4.

As shown in fig. 6, when the left-side reverse side cleaning mechanism 3 rotates counterclockwise and the right-side reverse side cleaning mechanism 3 rotates clockwise, the distance between the two reverse side cleaning mechanisms 3 and the guide roller 103 is increased, so that the reverse side cleaning mechanism 3 is convenient to overhaul, the subsequent glass fiber cloth 4 is convenient to pass through for the first time and the convenience of the inside of the box body 1, the reverse side cleaning mechanism 3 is prevented from being blocked, and the glass fiber cloth 4 is inconvenient to pull to pass.

When the two reverse cleaning rollers 302 rotate in the direction approaching the guide roller 103, the reverse cleaning rollers 302 can press the glass fiber cloth 4, thereby increasing the cleaning force on the glass fiber cloth 4. And, two lower dust absorption pipe 303 one ends all run through the box 1 lateral wall, and lower dust absorption pipe 303 and box 1 outer wall all are provided with the angle mark, through setting up the angle mark for the turned angle of dust absorption pipe 303 under the more accurate determination, thereby make the reverse side clean the interval of roller 302 relative guide roll 103 obtain more accurate grasp, improve the convenience and the accuracy nature of adjusting.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a dust extraction for production of electron glass fiber cloth, includes box (1), rotates first backing roll (101) and second backing roll (102) of connecting in box (1) inside, its characterized in that still includes:

the guide roller (103) is distributed with the first support roller (101) and the second support roller (102) in an inverted isosceles triangle shape, and is used for enabling the glass fiber cloth to sequentially pass through the first support roller (101), the guide roller (103) and the second support roller (102) and then form a V-shaped structure;

the front cleaning mechanism (2) comprises two end plates (201), a bottom plate (202) and a connecting plate (203) which are fixed between the two end plates (201), and a front cleaning roller (21) which is rotatably connected between the two end plates (201);

The bottom plate (202) is positioned below the connecting plate (203), and a gap is reserved between the bottom plate and the connecting plate; an upper dust suction pipe (204) with one closed end is fixedly connected to the lower surface of the bottom plate (202), and a dust suction opening (205) is formed in the connecting surface of the bottom plate (202) and the upper dust suction pipe (204);

the two front cleaning rollers (21) are respectively positioned at two sides of the connecting plate (203) in the horizontal direction, the upper surface of the connecting plate (203) is connected with two driving devices (22), the two driving devices (22) respectively drive the two front cleaning rollers (21), the rotating directions of the two front cleaning rollers (21) are opposite, and the two front cleaning rollers are respectively contacted with the glass fiber cloth, so that the front of the glass fiber cloth is cleaned in different directions;

the number of the back side cleaning mechanisms (3) is two, and the two back side cleaning mechanisms (3) are respectively positioned on two sides of the guide roller (103); the reverse side cleaning mechanism (3) comprises a dust suction box body (301), a reverse side cleaning roller (302) rotatably connected inside the dust suction box body (301), a lower dust suction pipe (303) fixedly connected to the bottom of the dust suction box body (301), wherein the lower dust suction pipe (303) is communicated with the dust suction box body (301), one end of the lower dust suction pipe (303) is closed, and a power device (31) used for driving the reverse side cleaning roller (302);

two dust inlet notches (304) are formed in the side wall of the dust collection box body (301) and used for enabling the reverse side cleaning rollers (302) to be in contact with the glass fiber cloth through the dust inlet notches (304), the rotating directions of the two reverse side cleaning rollers (302) are opposite, and the reverse sides of the glass fiber cloth are cleaned in different directions.

2. The dust suction device for the production of the electronic glass fiber cloth of claim 1, wherein the cross section of the bottom plate (202) is a V-shaped structure, and the upper dust suction pipe (204) is connected to the bent part of the bottom plate (202).

3. The dust suction device for the production of the electronic glass fiber cloth according to claim 1 or 2, wherein the connecting plate (203) is fixedly connected with C-shaped plates (206) which correspond to the front sweeping rollers (21) in a one-to-one manner, and the C-shaped plates (206) are adapted to the outer sides of the front sweeping rollers (21) and are used for avoiding the diffusion of raised dust through the C-shaped plates (206); and an avoiding opening for the transmission connection of the driving device (22) and the front cleaning roller (21) is formed in the side wall of the C-shaped plate (206).

4. The dust suction device for the production of the electronic glass fiber cloth of claim 3, wherein the outer walls of the two C-shaped plates (206) are fixedly connected with a top plate (207), so that a cavity is formed between the top plate (207) and the connecting plate (203).

5. The dust suction device for producing the electronic glass fiber cloth according to claim 4, wherein the top plate (207) is provided with an access opening (208) corresponding to the position of the driving device (22), and is connected with a cover plate (209) for closing the access opening (208).

6. The dust suction device for the production of the electronic glass fiber cloth according to claim 1 or 5, wherein the front cleaning mechanism (2) is positioned right above the guide roller (103) and is in sliding connection with the inner wall of the box body (1);

the top wall of the box body (1) is fixedly connected with a screw nut (104); the feed screw nut (104) is matched with a feed screw (105), the lower end of the feed screw (105) is rotatably connected with the front cleaning mechanism (2) and is used for driving the front cleaning mechanism (2) to move up and down through the rotation of the feed screw (105), and the contact and the separation between the front cleaning roller (21) and the glass fiber cloth are realized.

7. The dust suction device for the production of the electronic glass fiber cloth according to claim 6, wherein a vertically arranged straight notch (109) is formed in the side wall of the box body (1), and one end of the upper dust suction pipe (204) penetrates through the straight notch (109).

8. The dust collection device for producing the electronic glass fiber cloth according to claim 1, wherein the two lower dust collection pipes (303) are rotatably connected with the side wall of the box body (301), and a sector worm gear (305) is fixedly connected with the outer wall of the lower dust collection pipe (303);

the bottom wall of the box body (301) is rotatably connected with a transmission shaft (106) and a motor (107) connected with the transmission shaft (106); the transmission shaft (106) is connected with a worm (108) which is respectively meshed with the two fan-shaped worm wheels (305), and the two reverse side cleaning mechanisms (3) rotate towards the direction far away from and close to the guide roller (103) by driving the two lower dust suction pipes (303) to rotate, so that the contact and separation between the reverse side cleaning mechanisms (3) and the glass fiber cloth are realized.

9. The dust suction device for producing the electronic glass fiber cloth of claim 8, wherein one end of each of the two lower dust suction pipes (303) penetrates through the side wall of the box body (1), and angle marks are arranged on the outer walls of the lower dust suction pipes (303) and the box body (1) for determining the rotation angle of the lower dust suction pipes (303).