CN212714013U

CN212714013U - Auxiliary equipment for non-woven fabric web former

Info

Publication number: CN212714013U
Application number: CN202021539888.3U
Authority: CN
Inventors: 张栋文
Original assignee: Foshan Shunde Yihai Non Woven Fabric Manufacturing Co Ltd
Current assignee: Foshan Shunde Yihai Non Woven Fabric Manufacturing Co Ltd
Priority date: 2020-07-29
Filing date: 2020-07-29
Publication date: 2021-03-16
Anticipated expiration: 2030-07-29

Abstract

The application relates to auxiliary equipment for a non-woven fabric web former, which comprises two opposite first driving components arranged at the top of the web former, wherein the first driving components are used in cooperation with a drawing device arranged above the web former, the two first driving components are respectively positioned at two sides of a working part of the web former, the drawing device is positioned between the two first driving components, the working part of each first driving component can be movably arranged along the horizontal direction, the moving direction of the working part of each first driving component is vertical to that of the working part of the web former, a backing plate is horizontally arranged on the working part of each first driving component, two sides, which are close to each other, of two backing plates used for enabling two opposite sides of the reticular fiber tows to be relatively flat are parallel to the moving direction of the working part of the lapper, and the part, which is close to the drafting device, of the backing plate is positioned between the working part of the lapper and the discharge end of the drafting device. The application has the effect of being convenient for the reticular fiber tows to continue processing.

Description

Auxiliary equipment for non-woven fabric web former

Technical Field

The application relates to the field of non-woven fabric production, in particular to auxiliary equipment for a non-woven fabric web former.

Background

The non-woven fabric production line comprises an extruder, a filter, a metering pump, a spinning box, an aluminum air box, an upper drafting device, a lower drafting device, a web former, a rolling mill, a cloth rolling machine, a splitting machine, a refrigerating machine, a fan air conditioning system and the like. At present, in the production process of non-woven fabrics, melt trickles sprayed from micropores of a spinneret plate in a spinning box are cooled and stretched by side air blowing to form fiber tows, and then the fiber tows are diffused and arranged and fall to a working part of a net forming machine to form a net shape, so that the required non-woven fabrics can be obtained by continuous processing.

What set gradually in the spinning case below among the correlation technique is aluminium bellows, draft ware and lapper from top to bottom, the work position of lapper is located the below of draft ware discharge gate, the net formation in-process, the fibre silk bundle spills the work portion of lapper from the draft ware, the lapper work portion that removes makes the fibre silk bundle tile into netted along the work portion of lapper, the netted fibre silk bundle of tiling in lapper work portion is conveyed the hot rolling mill afterwards and is carried out the hot rolling process, cut and roll up cloth at last.

In view of the above-mentioned related technologies, the inventor believes that, in the web forming process, when the fiber tows are spilled from the drafting device to the working part of the web forming machine, since the fiber tows are distributed in the drafting device more complexly and the fiber tows continuously swing when falling, the two opposite sides of the mesh-shaped fiber tows tiled along the working part of the web forming machine are prone to be uneven, and the two opposite sides are respectively close to the two sides of the web forming machine, which causes a defect that the mesh-shaped fiber tows are inconvenient to continue to be processed.

SUMMERY OF THE UTILITY MODEL

In order to facilitate the continuous processing of the reticular fiber tows, the application provides auxiliary equipment for a non-woven fabric web former.

The application provides an auxiliary assembly for non-woven fabrics lapper adopts following technical scheme:

an auxiliary device for a non-woven fabric web-forming machine comprises two opposite first driving components arranged at the top of the web-forming machine, the first driving components are used for being matched with a drafting device arranged above the web former, the two first driving components are respectively positioned at two sides of the working part of the web former, the drafting device is positioned between the two first driving components, the working part of the first driving components can be arranged in a horizontal moving way, the moving direction of the working part of the first driving components is vertical to the moving direction of the working part of the web former, the working part of the first driving components is provided with a backing plate which is arranged horizontally, two side edges, which are close to each other, of the two backing plates used for enabling two opposite side edges of the reticular fiber tows to be relatively flat are parallel to the moving direction of the working part of the web former, the part of the backing plate close to the drafting device is positioned between the working part of the web former and the discharge end of the drafting device.

By adopting the technical scheme, a worker controls the two first driving components, drives the two base plates to move towards the drafting device along the horizontal direction through the working parts of the two first driving components, so that the parts of the two base plates close to the drafting device simultaneously extend into the space between the discharge end of the drafting device and the working part of the lapper, the side edges of the base plates parallel to the moving direction of the working part of the lapper are also positioned between the discharge end of the drafting device and the working part of the lapper, when fiber tows fall from the drafting device to the working part of the lapper, the fiber tows close to the two sides of the working part of the lapper are limited by the two base plates at the discharge end of the drafting device, the part of the fiber tows fall along the side edges of the base plates parallel to the moving direction of the working part of the lapper and are paved at the working part of the lapper, thereby improving the flatness of the two side edges of the webbed and the working part of the lapper, the reticular fiber tows can be processed conveniently.

Preferably, the first driving assembly comprises a servo motor, a screw rod, a guide rod, a slide block and two opposite mounting plates, the servo motor is connected with one side of the top of the web former, the two mounting plates are vertically arranged and connected with one side of the top of the web former, one of the mounting plates is close to the servo motor, the other mounting plate is close to the drafting device, two ends of the horizontally arranged screw rod are respectively and rotatably connected with the two mounting plates, the output shaft of the servo motor penetrates through the mounting plate far away from the drafting device and is connected with the screw rod, two ends of the guide rod which is horizontally arranged are respectively fixed on the two mounting plates, the length direction of the lead screw and the length direction of the guide bar are both vertical to the moving direction of the working part of the lapper, the guide bar is sleeved with the sliding block and is in threaded connection with the lead screw, and the side face, close to the drafting device, of the sliding block is connected with the side edge, far away from the drafting device, of the backing plate.

Through adopting above-mentioned technical scheme, the workman controls servo motor, and servo motor's output shaft can drive the lead screw and rotate, and pivoted lead screw drives the slider and removes along the guide bar, and then can drive the backing plate and stretch into between the discharge end of draft ware and the lapper work portion to can adjust stretching into length of backing plate, be favorable to the roughness that better improvement reticular fiber silk bundle corresponds the side.

Preferably, the both sides at lapper top all are equipped with second drive assembly for order about the second drive assembly that backing plate and first drive assembly removed along lapper work portion moving direction and be connected with the servo motor of homonymy, two mounting panels of homonymy, the backing plate of homonymy.

Through adopting above-mentioned technical scheme, the workman controls the second drive assembly and can orders about the backing plate removal of first drive assembly and homonymy, and then makes the backing plate draw from between the discharge end of draft ware and the lapper work portion and come out, has also made first drive assembly keep away from the draft ware, is convenient for the workman to clear up the backing plate and overhauls first drive assembly.

Preferably, the second drive assembly includes cylinder and slide, is the level setting slide sliding connection is in one of them side at lapper top, the slide is along the setting of sliding of the moving direction of lapper work portion, servo motor and two mounting panels all are fixed in the top surface of slide, backing plate sliding connection is in the slide top surface, the cylinder is fixed in the lapper top and is close to the slide, the moving direction of the length direction lapper work portion of cylinder piston rod is parallel, the tip and the slide of cylinder piston rod are close to the side of cylinder and are connected.

Through adopting above-mentioned technical scheme, workman control cylinder, cylinder piston rod can order about the slide and slide, and then drives the discharge end that first drive assembly and backing plate kept away from the draft ware to it is convenient to provide for the workman.

Preferably, the top surface of the backing plate is provided with a rubber layer, and the part of the rubber layer, which is positioned below the discharge end of the drafting device, is abutted against the discharge end of the drafting device.

Through adopting above-mentioned technical scheme, the rubber layer makes backing plate top surface and the discharge end of draft ware more laminate, and the rubber layer plays the guard action to the discharge end of draft ware.

Preferably, the bottom surface of the part of the backing plate below the discharge end of the draft device is slidably connected with a pressing plate, the pressing plate is slidably arranged along the vertical direction and horizontally arranged, the bottom surface of the pressing plate abuts against the working part of the web former, and the side of the pressing plate far away from the sliding plate is flush with the side of the backing plate far away from the servo motor.

By adopting the technical scheme, after the base plate stretches into the space between the discharge end of the drafting device and the working part of the lapper, a worker can move the pressing plates towards the working part of the lapper, and the two sides of the two pressing plates, which are far away from the sliding plate, can limit the lapping positions of the fiber tows close to the two sides of the working part of the lapper, so that the flatness of the two corresponding sides of the reticular fiber tows is improved.

Preferably, the bottom surface of the pressing plate is provided with two plastic strips which are arranged at intervals, the length direction of the plastic strips is parallel to the moving direction of the working part of the web former, and the bottom surfaces of the plastic strips are abutted against the working part of the web former.

Through adopting above-mentioned technical scheme, the plastic strip has reduced the area of contact of clamp plate bottom surface and lapper work portion to play the effect of protection lapper work portion.

Preferably, two sides of the backing plate, which are perpendicular to the moving direction of the working part of the web former, are provided with locking components, and the locking components are used for locking the pressing plate in a state of being tightly attached to the bottom surface of the backing plate and are connected with the pressing plate.

Through adopting above-mentioned technical scheme, when need not use the clamp plate or need remove the backing plate, the workman can be with clamp plate top surface and backing plate bottom surface butt, then through the position of locking Assembly locking clamp plate to the workman of being convenient for removes the backing plate.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the worker controls the two first driving components, drives the two backing plates to move towards the drafting device along the horizontal direction through the working parts of the two first driving components, so that the parts of the two backing plates close to the drafting device simultaneously extend into the space between the discharge end of the drafting device and the working part of the web forming machine, the side edges of the backing plates parallel to the moving direction of the working part of the web forming machine are also positioned between the discharge end of the drafting device and the working part of the web forming machine, when the fiber tows are scattered to the working part of the lapper from the drafting device, the fiber tows close to two sides of the working part of the lapper are limited by two backing plates at the discharge end of the drafting device, the partial fiber tows fall along the side edge of the backing plate parallel to the moving direction of the working part of the web former and are laid on the working part of the web former, thereby improving the flatness of the two parallel side edges of the reticular fiber tows and the working part of the net forming machine in the moving direction and facilitating the continuous processing of the reticular fiber tows.

2. The workman controls servo motor, and servo motor's output shaft can drive the lead screw and rotate, and pivoted lead screw drives the slider and removes along the guide bar, and then can drive the backing plate and stretch into between the discharge end of draft ware and the lapper work portion to can adjust stretching into length of backing plate, be favorable to the roughness that better improvement reticular fiber silk bundle corresponds the side.

3. After the backing plate stretches into between the discharge end of the drafting device and the working part of the lapper, a worker can move the pressing plates towards the working part of the lapper, and the two sides of the two pressing plates, which are far away from the sliding plate, can limit the lapping positions of the fiber tows close to the two sides of the working part of the lapper, so that the flatness of the two corresponding sides of the reticular fiber tows is improved.

Drawings

Fig. 1 is a schematic view showing the overall configuration of an auxiliary apparatus for a nonwoven fabric web forming machine according to the present embodiment.

Fig. 2 is a sectional view of an auxiliary device for a nonwoven fabric web forming machine in this embodiment.

Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.

Fig. 4 is a partially enlarged schematic view of a portion B in fig. 1.

Description of reference numerals: 1. a web former; 2. a drawing device; 3. a base plate; 4. a conveyor belt assembly; 5. a frame; 6. a discharge end; 7. a cylinder; 8. a slide plate; 9. a first chute; 10. a first bump; 11. a servo motor; 12. a screw rod; 13. a guide bar; 14. a slider; 15. mounting a plate; 16. a connecting plate; 17. a second chute; 18. a second bump; 19. a rubber layer; 20. a groove; 21. pressing a plate; 22. a connecting rod; 23. a spring; 24. a plastic strip; 25. an L-shaped rod; 26. and a nut.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses an auxiliary assembly for non-woven fabrics lapper. Referring to fig. 1, an auxiliary assembly for non-woven fabrics lapper, including connecting in two relative first drive assembly at lapper 1 top, be used for with set up 2 cooperations of the draft gear of lapper 1 top and use, two first drive assembly are located the both sides of lapper 1 work portion respectively, the work portion of first drive assembly is equipped with backing plate 3 that is the level setting, a roughness for improving two opposite side edges of netted fibre silk bundle, 2 discharge end 6 of draft gear is located between two backing plates 3, the work portion of first drive assembly is used for promoting backing plate 3 to remove towards draft gear 2, make the part that backing plate 3 is close to draft gear 2 be located between lapper 1 work portion and 2 discharge end 6 of draft gear.

Referring to fig. 1, the web former 1 includes a conveyor belt assembly 4 and two opposite frames 5, the conveyor belt assembly 4 is installed between the two frames 5, and the top surface of the conveyor belt assembly 4 is flush with the top surface of the frames 5 for forming a web of fiber tows and conveying the web to other processing equipment, the conveyor belt assembly 4 is a working part of the web former 1, and the direction in which the conveyor belt assembly 4 conveys the fiber tows along the length direction thereof is the moving direction of the working part of the web former 1.

Referring to fig. 1, the discharge end 6 of the draft device 2 is located above the middle part of the conveyor belt assembly 4, a certain distance exists between the discharge end 6 of the draft device 2 and the conveyor belt assembly 4, the cross section of the discharge end 6 of the draft device 2 is rectangular, and the long edge of the discharge end 6 of the draft device 2 is perpendicular to the length direction of the conveyor belt assembly 4.

Referring to fig. 2, a second driving assembly is arranged on the top surface of the frame 5 and used for driving the backing plate 3 and the first driving assembly to move along the moving direction of the working part of the web former 1, and the second driving assembly is connected with the first driving assembly on the same side and the backing plate 3 on the same side. The workman controls second drive assembly and orders about the first drive assembly of homonymy and the backing plate 3 removal of homonymy, and then makes backing plate 3 draw out from between 2 discharge end 6 of draft ware and the lapper 1 work portion, has also made first drive assembly keep away from draft ware 2, is convenient for the workman clear up backing plate 3 and overhauls first drive assembly.

Referring to fig. 1 and 3, the second drive assembly includes cylinder 7 and slide 8, first spout 9 has been seted up to frame 5 top surface, first spout 9 is located the middle part of frame 5 top surface, the length direction of first spout 9 is parallel with the direction that lapper 1 work portion removed, slide 8 is the level setting, and slide 8 bottom surface is equipped with first lug 10, first lug 10 sliding connection is in first spout 9, a moving direction for making slide 8 slide along lapper 1 work portion slides, first drive assembly connects in slide 8 top surface, cylinder 7 is fixed in frame 5 top surface and is close to in slide 8, the moving direction of the length direction lapper 1 work portion of cylinder 7 piston rod is parallel, the tip of cylinder 7 piston rod is connected with the side that slide 8 is close to cylinder 7. Workman control cylinder 7, cylinder 7 piston rod orders about slide 8 and slides, and then drives first drive assembly and backing plate 3 and keeps away from 2 discharge end 6 of drafter to it is convenient to provide with the maintenance first drive assembly for the workman clearance backing plate 3.

Referring to fig. 1 and 4, the first driving assembly includes a servo motor 11, a screw rod 12, a guide rod 13, a slider 14 and two opposite mounting plates 15, the servo motor 11 is fixed on the top surface of the sliding plate 8 and away from the drawing device 2, the two mounting plates 15 are vertically arranged, and the bottoms of the two mounting plates 15 are fixed on the top surface of the sliding plate 8, one mounting plate 15 is close to the servo motor 11, the other mounting plate 15 is close to the drawing device 2, two ends of the horizontally arranged screw rod 12 are respectively rotatably connected to two side surfaces of the two mounting plates 15 which are close to each other, an output shaft of the servo motor 11 passes through the mounting plate 15 away from the drawing device 2 and is connected with the screw rod 12, two ends of the horizontally arranged guide rod 13 are respectively fixed on two side surfaces of the two mounting plates 15 which are close to each other, the length direction of the screw rod 12 and the length, the guide bar 13 and with lead screw 12 threaded connection are located to the slider 14 cover, the side that the slider 14 is close to the draft ware 2 is connected with the backing plate 3 through two connecting rods 22 that are the level setting and keep away from the side of draft ware 2, the mounting panel 15 that is close to the draft ware 2 is located between two connecting plates 16, two sides that two backing plates 3 are close to each other are parallel with the moving direction of lapping machine 1 work portion.

Referring to fig. 1 and 4, a worker controls the servo motor 11, an output shaft of the servo motor 11 drives the screw rod 12 to rotate, the rotating screw rod 12 drives the slide block 14 to move along the guide rod 13, and then the backing plate 3 is driven to extend between the discharge end 6 of the drafting device 2 and the conveyor belt assembly 4. The parts of the two backing plates 3 close to the drafting device 2 simultaneously extend into the space between the discharge end 6 of the drafting device 2 and the conveyor belt assembly 4, and the extending length ranges from 3cm to 5 cm. The parallel side of the moving direction of

backing plate

3 and 1 working portion of lapper also is located between 2 discharge end 6 of draft ware and the conveyer belt subassembly 4, when the fibre silk bundle spills conveyer belt subassembly 4 from draft ware 2, the fibre silk bundle that is close to 4 both sides of conveyer belt subassembly receives the restriction of two backing plates 3 at 2 discharge end 6 of draft ware, this part fibre silk bundle falls and lays in conveyer belt subassembly 4 along the parallel side of moving direction of

backing plate

3 and 1 working portion of lapper, thereby the roughness of two sides of the flat shape of reticular fibre silk bundle and 1 working portion moving direction of lapper has been improved, be convenient for reticular fibre silk bundle to continue to process. Meanwhile, the stretching length of the backing plate 3 can be adjusted, and the flatness of the corresponding side edge of the reticular fiber tows can be further improved.

Referring to fig. 1 and 4, in order to better improve the flatness of the corresponding side of the reticular fiber tows, the length of the wide edge of the backing plate 3 is greater than that of the discharge end 6 of the drafting device 2, the wide edge of the backing plate 3 is a side edge extending between the discharge end 6 of the drafting device 2 and the conveyor belt assembly 4, and the side edge is parallel to the moving direction of the working part of the web former 1.

Referring to fig. 1 and 3, for backing plate 3 can be more stable stretch into between 2 discharge end 6 of draft ware and the conveyer belt subassembly 4, second spout 17 has been seted up at 8 top surfaces of slide, second spout 17 is located draft ware 2 and is close to between the mounting panel 15 of draft ware 2, and the length direction of second spout 17 is perpendicular with the moving direction of lapper 1 work portion, backing plate 3 bottom surface is equipped with second lug 18, second lug 18 is close to the side that is close to mounting panel 15 in backing plate 3, second lug 18 sliding connection is in second spout 17, the top of second lug 18 is and stretches out second spout 17 setting, make and have certain interval between backing plate 3 bottom surface and the slide 8.

Referring to fig. 3, a rubber layer 19 is provided on the top surface of the pad 3, and a portion of the rubber layer 19 located below the discharge end 6 of the draft device 2 abuts against the discharge end 6 of the draft device 2. The rubber layer 19 makes the top surface of the backing plate 3 and the discharge end 6 of the drafting device 2 more fit, and the rubber layer 19 plays a role in protecting the discharge end 6 of the drafting device 2.

Referring to fig. 1 and 3, recess 20 is seted up to backing plate 3 bottom surface, recess 20 is close to the side of keeping away from servo motor 11 in backing plate 3, backing plate 3 bottom surface is equipped with clamp plate 21, clamp plate 21 is the level setting, the side that slide 8 was kept away from to clamp plate 21 flushes with the side that servo motor 11 was kept away from to backing plate 3, clamp plate 21 top surface is equipped with connecting rod 22, connecting rod 22 is vertical setting, and connecting rod 22 sliding connection is in recess 20, be equipped with spring 23 in the recess 20, the top of recess 20 tank bottom and connecting rod 22 is fixed in respectively at spring 23's both ends, make clamp plate 21 bottom surface butt. The backing plate 3 stretches into 2 discharge ends of draft ware 6 and lapper 1 work portion between the back, and the workman can remove clamp plate 21 towards conveyer belt subassembly 4, and two sides that slide 8 was kept away from to two clamp plates 21 can restrict the lapping position of the fibre silk bundle that is close to conveyer belt subassembly 4 both sides to the roughness that corresponds both sides limit of reticular fibre silk bundle has been improved.

Referring to fig. 1 and 3, two plastic strips 24 are arranged on the bottom surface of the pressing plate 21, the two plastic strips 24 are arranged at intervals, the length direction of the plastic strips 24 is parallel to the moving direction of the working part of the web former 1, and the bottom surface of the plastic strips 24 is abutted to the conveyor belt assembly 4. The plastic strip 24 reduces the contact area of the bottom surface of the press plate 21 with the working part of the web former 1, thereby playing a role in protecting the working part of the web former 1.

Referring to fig. 1 and 4, two sides of the backing plate 3 perpendicular to the moving direction of the working part of the web former 1 are provided with locking components for locking the pressing plate 21 in a state of clinging to the bottom surface of the backing plate 3, and the locking components are connected with the top surface of the pressing plate 21. When the pressing plate 21 is not used or the tie plate 3 is required to be moved, a worker can abut the top surface of the pressing plate 21 against the bottom surface of the tie plate 3 and then lock the position of the pressing plate 21 by the locking assembly, thereby facilitating the worker to move the tie plate 3.

Referring to fig. 1 and 4, the locking assembly includes L-shaped rod 25 and nut 26, the horizontal portion of L-shaped rod 25 is fixed to the side perpendicular to the moving direction of backing plate 3 and the working portion of web former 1, and L-shaped rod 25 is close to the side of backing plate 3 away from servo motor 11, the vertical portion of L-shaped rod 25 is located above pressing plate 21, and the vertical portion of L-shaped rod 25 is provided with threads, nut 26 is threadably mounted in the vertical portion of L-shaped rod 25, two through holes have been seted up on the top surface of pressing plate 21, two through holes are respectively opposite to the vertical portions of two L-shaped rods 25, for the vertical portion of L-shaped rod 25 passes. When locking the pressing plate 21, the worker abuts the top surface of the pressing plate 21 against the bottom surface of the backing plate 3, and after the vertical portion of the L-shaped rod 25 passes through the through hole, the nut 26 is screwed to the vertical portion of the L-shaped rod 25, thereby defining the position of the pressing plate 21.

The implementation principle of the auxiliary equipment for the non-woven fabric web former is as follows: the cylinder 7 is controlled firstly, a piston rod of the cylinder 7 drives the sliding plate 8 to slide, the sliding plate 8 slides to a position close to the drafting device 2, then the servo motor 11 is controlled, an output shaft of the servo motor 11 drives the screw rod 12 to rotate, the rotating screw rod 12 drives the sliding block 14 to move along the guide rod 13, and then the backing plate 3 is driven to stretch into a position between the discharge end 6 of the drafting device 2 and the conveyor belt assembly 4. The parts of the two backing plates 3 close to the drafting device 2 simultaneously extend into the space between the discharge end 6 of the drafting device 2 and the conveyor belt assembly 4, and the extending length ranges from 3cm to 5 cm. When the fibre silk bundle spills conveyer belt subassembly 4 from draft ware 2, the fibre silk bundle that is close to in conveyer belt subassembly 4 both sides receives the restriction of two backing plates 3 at draft ware 2 discharge end 6, and this part fibre silk bundle falls and lays in conveyer belt subassembly 4 along the parallel side of backing plate 3 and the direction of movement of lapper 1 work portion to the roughness of two sides of netted fibre silk bundle and the flat shape of lapper 1 work portion direction of movement has been improved, the netted fibre silk bundle of being convenient for continues to process. Meanwhile, the stretching length of the backing plate 3 can be adjusted, and the flatness of the corresponding side edge of the reticular fiber tows can be further improved. When needing to clear up backing plate 3 or need overhaul first drive assembly, slide 8 slides through cylinder 7 control for 2 discharge end 6 of draft are kept away from to first drive assembly and backing plate 3, thereby provide convenient for the workman clears up backing plate 3 and overhauls first drive assembly.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. An auxiliary assembly for a nonwoven web former, characterized in that: including setting up in the first drive assembly of two relative at lapper (1) top, first drive assembly is used for and sets up in the cooperation of the draft ware (2) of lapper (1) top and use, two first drive assembly is located the both sides of lapper (1) work portion respectively, draft ware (2) are located between two first drive assemblies, first drive assembly's work portion is and can follows the moving direction that the horizontal direction removed the setting and first drive assembly work portion and the moving direction of lapper (1) work portion is perpendicular, first drive assembly's work portion is equipped with backing plate (3) that are the level setting for make two relative sides of netted fibre silk bundle comparatively level two the removal direction of two sides that backing plate (3) are close to each other is parallel with the moving direction of lapper (1) work portion, the part that backing plate (3) are close to draft ware (2) is located between lapper (1) work portion and draft ware (2) discharge end (6).

2. An auxiliary device for a nonwoven web-former as claimed in claim 1, characterized in that: first drive assembly includes servo motor (11), lead screw (12), guide bar (13), slider (14) and two relative mounting panel (15), servo motor (11) are connected in one of them one side at lapper (1) top, two mounting panel (15) are vertical setting, two mounting panel (15) are connected in one of them one side at lapper (1) top, one of them mounting panel (15) are close to in servo motor (11), another mounting panel (15) are close to in draft ware (2), are the level setting lead screw (12) both ends are rotated respectively and are connected in two mounting panels (15), the output shaft of servo motor (11) passes mounting panel (15) of keeping away from draft ware (2) and is connected with lead screw (12), are the level setting guide bar (13) both ends are fixed in mounting panel (15) respectively, the length direction of lead screw (12) and the length direction of guide bar (13) all are perpendicular with the moving direction of lapper (1) work portion, guide bar (13) and with lead screw (12) threaded connection are located to slider (14) cover, the side that slider (14) are close to draft ware (2) is connected with the side that draft ware (2) were kept away from in backing plate (3).

3. An auxiliary device for a nonwoven web-former as claimed in claim 2, characterized in that: the two sides of the top of the web former (1) are respectively provided with a second driving component for driving the backing plate (3) and the first driving component to move along the moving direction of the working part of the web former (1), and the second driving components are connected with the servo motor (11) at the same side, the two mounting plates (15) at the same side and the backing plate (3) at the same side.

4. An auxiliary device for a nonwoven web-former as claimed in claim 3, characterized in that: second drive assembly includes cylinder (7) and slide (8), is the level setting slide (8) sliding connection is in one of them one side at lapper (1) top, slide (8) are along the setting of sliding of the moving direction of lapper (1) work portion, servo motor (11) and two mounting panel (15) all are fixed in the top surface of slide (8), backing plate (3) sliding connection is in slide (8) top surface, cylinder (7) are fixed in lapper (1) top and are close to slide (8), the moving direction of the length direction lapper (1) work portion of cylinder (7) piston rod is parallel, the tip of cylinder (7) piston rod is connected with slide (8) side that is close to cylinder (7).

5. An auxiliary device for a nonwoven web-former as claimed in claim 1, characterized in that: the top surface of the backing plate (3) is provided with a rubber layer (19), and the part of the rubber layer (19) below the discharge end (6) of the drafting device (2) is abutted against the discharge end (6) of the drafting device (2).

6. An auxiliary device for a nonwoven web-former as claimed in claim 4, characterized in that: the bottom surface sliding connection of the part that backing plate (3) are located discharge end (6) below of draft device (2) has clamp plate (21), clamp plate (21) are along vertical direction slip setting, are the level setting clamp plate (21) bottom surface butt in the work portion of lapper (1), the side that slide (8) were kept away from in clamp plate (21) flushes with the side that servo motor (11) were kept away from in backing plate (3).

7. An auxiliary device for a nonwoven web-former as claimed in claim 6, characterized in that: the bottom surface of the pressing plate (21) is provided with two plastic strips (24), the two plastic strips (24) are arranged at intervals, the length direction of the plastic strips (24) is parallel to the moving direction of the working part of the web former (1), and the bottom surfaces of the plastic strips (24) are abutted to the working part of the web former (1).

8. An auxiliary device for a nonwoven web-former as claimed in claim 6, characterized in that: and two sides of the backing plate (3) perpendicular to the moving direction of the working part of the web former (1) are respectively provided with a locking component, and the locking components are used for locking the pressing plate (21) in a state of being tightly attached to the bottom surface of the backing plate (3) and are connected with the pressing plate (21).