CN216274972U

CN216274972U - Non-woven fabric production is with electrostatic absorption dust collector of cutting machine

Info

Publication number: CN216274972U
Application number: CN202122344104.2U
Authority: CN
Inventors: 罗可文
Original assignee: Linhai Hengtai Non Woven Co ltd
Current assignee: Linhai Hengtai Non Woven Co ltd
Priority date: 2021-09-27
Filing date: 2021-09-27
Publication date: 2022-04-12
Anticipated expiration: 2031-09-27

Abstract

The utility model provides an electrostatic adsorption dust removal device of a splitting machine for non-woven fabric production, which comprises an electrostatic adsorption plate, a collecting tank and a brush rod, wherein the collecting tank is provided with a feed inlet, the electrostatic adsorption plate is connected with the feed inlet, and the brush rod is erected on the electrostatic adsorption plate and reciprocates along the direction towards the feed inlet or away from the feed inlet; the brush rod comprises a moving rod and a brush head which is arranged on the moving rod in a telescopic mode, and the brush head and the moving rod are further provided with a limiting mechanism which is used in a matched mode.

Description

Non-woven fabric production is with electrostatic absorption dust collector of cutting machine

Technical Field

The utility model relates to the technical field of non-woven fabric slitting machines, in particular to an electrostatic adsorption dust removal device of a slitting machine for non-woven fabric production.

Background

The non-woven fabric is also called non-woven fabric, needle-punched cotton, needle-punched non-woven fabric, etc., is made of polyester fiber and polyester fiber (PET for short) material through a needle-punching process, and can be made into different thicknesses, hand feels, hardness, etc. The non-woven fabric has the characteristics of moisture resistance, air permeability, flexibility, lightness, thinness, flame retardance, no toxicity, no odor, low price, recycling and the like, and can be applied to mask production or other different industries.

The existing mask preparation machine sews, cuts and bonds a plurality of layers of materials with ear bands according to the components of the mask to obtain the corresponding disposable mask. Because the mask preparation machine can not cut the raw material cloth, the multi-layer cloth is directly laminated and then sewn, a mask raw material manufacturer can cut the prepared non-woven fabric into coiled materials meeting the width requirement for sale.

In the prior art, a splitting machine is used for splitting a non-woven fabric, as shown in fig. 1, a plurality of tensioning wheels 104 of the splitting machine are used for tensioning the non-woven fabric 105, then a plurality of splitting cutters arranged at intervals on a cutter roll 103 are used for splitting the rolling non-woven fabric 105, and after the split non-woven fabric 105 is tensioned by a transition roller 102, a coil material meeting the width requirement is wound by a corresponding winding roller 101.

Since the non-woven fabric generates fiber dust in the slitting process, the dust needs to be removed in order to reduce dust pollution in the production process of the non-woven fabric. In order to reduce the influence of a dust removal device on a slitting machine and consider the position of fiber dust generated on the slitting machine, the conventional dust removal device is provided with an electrostatic adsorption plate below a non-woven fabric stretched by a knife roll and a transition roll, and the fiber dust generated in the slitting process is collected in an electrostatic dust removal mode so as to avoid the influence of induced air dust removal on the slitting of the non-woven fabric; and when adopting the electrostatic absorption board to adsorb the fibre, still can set up a reciprocating motion's brush-holder stud on the electrostatic absorption board, derive the dust on the electrostatic absorption board to collect the dust that the brush-holder stud scraped through two collecting tanks that meet the setting with the electrostatic absorption board.

However, under the few circumstances, because the mounted position is limited, can not set up two collecting grooves and collect to the dust that is located brush-holder stud moving direction both sides, can only set up a collecting groove, lead to current brush-holder stud that contacts all the time with electrostatic absorption board and reciprocating motion can not be with the whole leading-in collecting groove of fibre dust, influence dust collector's dust removal effect.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides an electrostatic adsorption dust removal device of a splitting machine for non-woven fabric production, which solves the problem of unsatisfactory dust removal effect caused by the fact that a brush rod cannot guide all dust on an electrostatic adsorption plate into a collecting tank when only one collecting tank is limited by the installation position in the prior art.

In order to achieve the purpose, the utility model adopts the following technical scheme: an electrostatic adsorption dust removal device of a splitting machine for non-woven fabric production comprises an electrostatic adsorption plate, a collecting tank and a brush rod,

the collecting tank is provided with a feed inlet, the electrostatic adsorption plate is connected with the feed inlet, and the brush rod is erected on the electrostatic adsorption plate and driven by the driving mechanism to reciprocate along the direction towards the feed inlet or away from the feed inlet;

the brush rod comprises a movable rod and a brush head which is arranged on the movable rod in a telescopic way, the brush head and the movable rod are also provided with a limit mechanism which is matched with each other,

when the brush is used, the limiting mechanism drives the brush head to extend along the moving rod and separate from the electrostatic adsorption plate, and the brush rod moves away from the feed port under the action of the driving mechanism; the limiting mechanism drives the brush head to contract along the moving rod and contact with the electrostatic adsorption plate, and the brush rod moves towards the feed port under the action of the driving mechanism.

Compared with the prior art, the utility model has the following beneficial effects: according to the utility model, the structure of the existing brush rod is improved, so that the brush head in contact with the electrostatic adsorption plate is telescopically arranged on the moving rod, and then the brush head is in contact with the electrostatic adsorption plate to guide fiber dust adsorbed on the electrostatic adsorption plate into the collecting tank when the brush rod moves towards the feed inlet, and the brush head is separated from the electrostatic adsorption plate when the brush rod moves away from the feed inlet, so that the dust on the electrostatic adsorption plate is prevented from moving out of the electrostatic adsorption plate and scattering around; even if the dust removal device is limited by the installation position, only one collecting groove can be arranged, and the brush rod can guide the dust adsorbed on the electrostatic adsorption plate into the collecting groove, so that the dust removal effect of the dust removal device is ensured.

Drawings

FIG. 1 is a schematic view of the position of the dust collector of the present invention in cooperation with a slitting machine;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is a top view of the structure of the present invention;

FIG. 5 is a dynamic exploded view of the trigger lever and travel lever of the present invention in engagement;

figure 6 is a dynamic exploded view of the wedge bar of the present invention in cooperation with the cross-bar of the brush head.

In the figure: 101. a wind-up roll; 102. a transition roll; 103. a knife roll; 104. a tension wheel; 105. non-woven fabrics; 1. a mounting frame; 2. an electrostatic adsorption plate; 21. an insulating plate; 3. collecting tank; 31. a feed inlet; 32. an exhaust duct; 33. separating the teeth; 4. a screw rod; 5. a servo motor; 6. a brush bar; 61. a brush head; 62. a travel bar; 63. a through hole; 64. a telescopic groove; 65. a tension spring; 66. a clamping groove; 67. a stopper; 611. a cross bar; 612. a brush layer; 621. a movable rod; 622. fixing the rod; 7. a wedge-shaped rod; 8. a trigger lever.

Detailed Description

The technical solution of the present invention is further explained with reference to the drawings and the embodiments.

As shown in fig. 1 and 2, an embodiment of the present invention provides an electrostatic adsorption dust removal device of a splitting machine for producing non-woven fabrics, including an electrostatic adsorption plate 2, where the electrostatic adsorption plate 2 is erected on an installation frame 1, and the electrostatic adsorption plate 2 is disposed below a non-woven fabric 105 stretched between a knife roll 103 and a transition roll 102 of the splitting machine, and the electrostatic adsorption plate 2 can be powered by a low voltage and a low current, so as to avoid a safety problem caused by an excessive conductive amount of the electrostatic adsorption plate 2; the power supply mode of the electrostatic adsorption plate 2 can be directly power supplied through a wire, and the power supply method is the prior art, which is not described in detail herein. The electrostatic absorption board 2 mainly used adsorbs the fibre dust that the cutting process of cutting machine produced, and the dust adsorbed by electrostatic absorption board 2 needs in time to be clear away, and the electrostatic absorption board 2 of being convenient for lasts the use, so electrostatic absorption board 2 is equipped with the collecting vat 3 and the brush-holder stud 6 that the cooperation was used.

As shown in fig. 1 and 2, the collecting tank 3 is fixed on the mounting frame 1 and has a cavity structure with an open upper end, a notch recessed downwards is formed in a side wall of the open end of the collecting tank 3, the notch is a feeding port 31 of the collecting tank 3, the electrostatic adsorption plate 2 is provided with an insulating plate 21 connected with each other, and the insulating plate 21 is erected on the feeding port 31 and partially extends into the collecting tank 3.

As shown in fig. 1 and 2, the brush bar 6 is mounted on the electrostatic adsorption plate 2 and driven by the driving mechanism to reciprocate in a direction toward the inlet 31 or away from the inlet 31. The driving mechanism comprises a servo motor 5 and a screw rod 4 connected with the servo motor 5, the screw rod 4 is rotatably connected with the mounting rack 1, and the brush rod 6 is sleeved on the screw rod 4 and is in threaded connection with the screw rod 4. In order to make the brush rod 6 move back and forth on the electrostatic adsorption plate 2 more stably under the action of the driving mechanism, the utility model is provided with two driving mechanisms which are arranged side by side, the brush rod 6 is erected between the two screw rods 4 and is respectively in threaded connection with the two screw rods 4, so that the two screw rods 4 rotate to drive the brush rod 6 to move back and forth along the length direction of the screw rods 4, the corresponding feed port 31 is also arranged between the two screw rods 4, and the reciprocating movement of the brush rod 6 is ensured to be towards the feed port 31 or away from the feed port 31.

Because of the installation position limitation, only one collecting groove 3 can be provided, so that when the brush rod 6 which reciprocates is moved towards the feed port 31, the brush rod 6 is contacted with the electrostatic adsorption plate 2 for guiding dust on the electrostatic adsorption plate 2 into the feed port 31, and when the brush rod 6 is moved away from the feed port 31, the brush rod 6 is separated from the electrostatic adsorption plate 2, the structure of the brush rod 6 is improved.

As shown in fig. 1 and 2, specifically, the brush rod 6 includes a moving rod 62 and a brush head 61 telescopically arranged on the moving rod 62; because the two screw rods 4 are arranged, the utility model is provided with the two moving rods 62, and the two moving rods 62 are respectively in threaded connection with the two screw rods 4. The brush head 61 is mounted on the two moving rods 62 and is arranged to extend and contract with the moving rods 62, the brush head 61 comprises a cross rod 611 connected with the two moving rods 62 and a brush layer 612 arranged below the cross rod 611 and used for moving dust, and the brush layer 612 can be made of animal hair (rabbit hair, pig hair and the like) or artificial fiber hair and the like.

In order to make the brush head 61 extend out of the movable rod 62 to separate the brush head 61 from the electrostatic adsorption plate 2 before the brush head 61 moves away from the feed port 31, and simultaneously, before the brush rod 6 moves towards the feed port 31, the brush head 61 contracts along the movable rod 62 to make the brush head 61 contact with the electrostatic adsorption plate 2, the utility model is also provided with a limiting mechanism which is matched with the brush head 61 and the movable rod 62 for use.

In order to effectively match the moving rod 62 with the limiting mechanism, as shown in fig. 3, 5 and 6, each moving rod 62 includes a fixed rod 622 and a moving rod 621 sleeved in the fixed rod 622, a telescopic groove 64 is provided in the fixed rod 622, a telescopic spring 65 is provided between the fixed rod 622 and the moving rod 621 in the telescopic groove 64, wherein a through hole 63 in threaded connection with the screw rod 4 is provided on the fixed rod 622, and the moving rod 621 is fixed with the cross rod 611 of the brush head 61. A mounting groove is formed in the position, located in the fixed rod 622, of the movable rod 621, a stop block 67 capable of being arranged in a telescopic mode is arranged in the mounting groove, a clamping groove 66 is formed in the fixed rod 622, and when the movable rod 621 is used and the stop block 67 is located in the clamping groove 66, the brush head 61 is arranged in contact with the electrostatic adsorption plate 2; when the stopper 67 is separated from the engaging groove 66, the brush head 61 is separated from the electrostatic attraction plate 2.

As shown in fig. 2 and 4, the limiting mechanism comprises a trigger rod 8 arranged close to the feed port 31 and a wedge rod 7 arranged far away from the feed port 31; the wedge-shaped rod 7 is fixed at one end, away from the feed inlet 31, of the electrostatic adsorption plate 2 and is provided with a wedge surface, the cross rod 611 of the brush head 61 is of a wedge-shaped block structure which is in contact fit with the wedge surface, the trigger rod 8 is fixed on the outer wall of the mounting frame 1 or the collecting groove 3, and the trigger rod 8 is matched with the stopper 67 for use and is used for driving the stopper 67 to retract towards the inside of the mounting groove.

When the limiting mechanism is used, as shown in fig. 6, the brush head 61 moves towards the wedge-shaped rod 7 and contacts with the wedge-shaped rod 7 under the action of the screw rod 4 (state of (a) in fig. 6), the cross rod 611 moves downwards under the action of the wedge-shaped rod 7 and the rotating screw rod 4, the cross rod 611 moves downwards to drive the movable rod 621 to move towards the fixed rod 622 (state of (b) in fig. 6), so that the stopper 67 moves downwards to the position of the clamping groove 66 and then extends into the clamping groove 66 (state of (c) in fig. 6), the cross rod 611 (brush head 61) contracts along the movable rod 62 to enable the brush head 61 to contact with the electrostatic adsorption plate 2, and then the screw rod 4 rotates reversely to drive the brush rod 6 to move towards the feed inlet 31; as shown in fig. 5, the brush head 61 contacting with the electrostatic adsorption plate 2 moves to a position close to the trigger bar 8, the trigger bar 8 faces the clamping groove 66 (state of (d) and (c) in fig. 5), the trigger bar 8 extends into the clamping groove 66 to force the stopper 67 to contract along the movable bar 621, until the stopper 67 exits from the clamping groove 66 (state of (b) in fig. 5), the movable bar 621 extends out of the fixed bar 622 (state of (a) in fig. 5) under the action of the expansion spring 65, so that the cross bar 611 (brush head 61) extends out along the movable bar 62 to separate the brush head 61 from the electrostatic adsorption plate 2, then the screw rod 4 rotates reversely again to drive the brush bar 6 to move away from the feed port 31, and so on.

PWM signal control servo motor 5's rate of rotation, the revolution and the direction of rotation, and then control lead screw 4's rate of rotation, revolution and direction of rotation, make stop gear and lead screw 4 effective cooperation, brush head 61 contacts with electrostatic absorption board 2 when making brush-holder stud 6 remove towards feed inlet 31 in with electrostatic absorption board 2 goes up the leading-in collecting vat 3 of adsorbed fibre dust, and brush head 61 separates with electrostatic absorption board 2 when brush-holder stud 6 keeps away from feed inlet 31 and removes, avoid dust on the electrostatic absorption board 2 to shift out electrostatic absorption board 2 and scatter everywhere.

As shown in fig. 2 and 4, in order to make the collecting tank 3 have a better dust collecting effect, an exhaust duct 32 may be connected in the collecting tank 3, and an exhaust device (an induced draft fan, an exhaust fan) with a small power may be disposed in the exhaust duct 32, so that the dust entering the feeding port 31 falls to the bottom of the collecting tank 3 for collection.

As shown in fig. 2 and 4, in order to make the brush head 61 extend out of the moving rod 62 (the cross rod 611 moves upward) and make the dust adhered in the brush layer 612 fall into the collecting tank 3 as much as possible, the utility model fixes separation teeth 33 for removing the fiber dust adhered on the brush head 61 on the inner wall of the collecting tank 3. The brush layer 612 moves along with the screw rod 4 to enter the separation teeth 33, then the movable rod 621 extends out of the fixed rod 622 under the action of the trigger rod 8 to drive the brush layer 612 to move upwards, and fiber dust adhered to the brush layer 612 is partially removed through the separation teeth 33, so that the brush layer 612 can conveniently guide materials on the electrostatic adsorption plate 2.

Because the dust is fiber dust, the brush layer 612 can move the dust on the electrostatic adsorption plate 2 along the electrostatic adsorption plate 2 when moving; in a specific use process, according to the use effect, when the brush layer 612 is in contact with the electrostatic adsorption plate 2, the electrostatic adsorption plate 2 is powered off, so that the brush layer 612 can move fiber dust on the electrostatic adsorption plate 2 conveniently.

Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.

Claims

1. An electrostatic adsorption dust removal device of a splitting machine for non-woven fabric production comprises an electrostatic adsorption plate, a collecting tank and a brush rod,

the method is characterized in that: the brush rod comprises a movable rod and a brush head which is arranged on the movable rod in a telescopic way, the brush head and the movable rod are also provided with a limit mechanism which is matched with each other,

2. The electrostatic adsorption dust collector of the slitting machine for non-woven fabric production according to claim 1, characterized in that: the movable rod comprises a fixed rod and a movable rod sleeved in the fixed rod, and a telescopic spring is arranged between the fixed rod and the movable rod, wherein the movable rod is fixed with the brush head;

a mounting groove is arranged at the position of the movable rod in the fixed rod, a stop block which can be telescopically arranged is arranged in the mounting groove, a clamping groove is arranged on the fixed rod,

when the brush is used, the brush head is in contact with the electrostatic adsorption plate when the stop block is positioned in the clamping groove; when the check block is separated from the clamping groove, the brush head is separated from the electrostatic adsorption plate.

3. The electrostatic adsorption dust collector of the slitting machine for non-woven fabric production according to claim 2, characterized in that: the limiting mechanism comprises a trigger rod arranged close to the feed port and a wedge-shaped rod arranged far away from the feed port,

the trigger bar is matched with the stop block for use and is used for driving the stop block to retract towards the mounting groove,

the wedge-shaped rod is provided with a wedge surface, and the brush head is provided with a wedge block structure which is in contact fit with the wedge surface.

4. The electrostatic adsorption dust collector of the slitting machine for non-woven fabric production according to claim 2, characterized in that: the electrostatic adsorption plate is erected on the mounting frame, and the collecting groove is fixed with the mounting frame.

5. The electrostatic adsorption dust collector of the slitting machine for non-woven fabric production according to claim 4, characterized in that: the driving mechanism comprises a servo motor and a lead screw connected with the servo motor, the lead screw is rotatably connected with the mounting frame, and the lead screw is in threaded connection with the lead screw through a fixed rod sleeve.

6. The electrostatic adsorption dust removing device of the splitting machine for non-woven fabric production according to any one of claims 1 to 5, characterized in that: and separation teeth for removing fiber dust adhered to the brush head are fixed on the inner wall of the collecting tank.