CN218203478U

CN218203478U - Drafting device

Info

Publication number: CN218203478U
Application number: CN202222227850.8U
Authority: CN
Inventors: 杨荣庆; 张磊; 曹杰
Original assignee: Jiangyin Desel Environmental Protection Equipment Co ltd
Current assignee: Jiangyin Desel Environmental Protection Equipment Co ltd
Priority date: 2022-08-23
Filing date: 2022-08-23
Publication date: 2023-01-03
Anticipated expiration: 2032-08-23

Abstract

The utility model relates to a drafting device, it includes transmission support and draft support, it is connected with a plurality of draft rollers, every to rotate on the transmission support the draft roller all passes the draft support, and extends to in the draft support, and is a plurality of the draft roller is provided with upper and lower two rows, every all the cover is equipped with the turbine on the draft roller, it is connected with two worms, one to rotate on the transmission support the worm is used for the transmission to go up the row draft roller, another the worm is used for the transmission to go up the row draft roller, the worm with the turbine meshing, be connected with the connecting rod on the transmission support, the connecting rod is located two between the worm, two the worm all through the bevel gear group with the connecting rod is connected, be provided with driving motor in the transmission support, driving motor's output shaft coaxial coupling is in one of them the worm, be provided with the locating part that is used for restricting dacron matching material off tracking on the draft roller. The utility model discloses the effect that improves fibre material draft quality has.

Description

Drafting device

Technical Field

The utility model belongs to the technical field of the draft technique and specifically relates to a drafting device is related to.

Background

Drawing is a process of regularly drawing and attenuating a fiber assembly. The essence is that the fibers are displaced relative to each other in the axial direction of the assembly and are distributed over a longer segment, as a result of which the linear density of the assembly is reduced and the fibers are straightened further and parallel.

Chinese patent No. CN205133802U discloses a drawing roller driving mechanism for a short fiber drawing machine, which comprises a drawing roller group and a support, wherein the drawing roller group comprises a plurality of drawing rollers, the plurality of drawing rollers are arranged on the support in two rows in parallel, namely an upstream drawing roller and a downstream drawing roller, the drawing roller group is driven by two sets of worm and gear driving mechanisms, and a driving motor is coaxially connected to a worm.

When in work, the two driving motors are started to rotate the worm, the worm drives the worm wheel to rotate, the drafting roller rotates, the rotation of the upper drafting roller and the lower drafting roller is realized,

in view of the above-mentioned related arts, the inventor believes that when the drafting device is operated to obtain a high-quality fiber web, the fiber web should be kept in a stable conveying state when passing through each drafting roller, so that the rotation speed of each drafting roller needs to be kept consistent, in the prior patent, the upper drafting roller is driven by one motor, the lower drafting roller is driven by the other motor, and in actual conditions, the rotation speeds of the two motors have a speed difference, which causes a speed difference between the upper drafting roller and the lower drafting roller, so that the fiber web has a possibility of slipping when rubbing the fiber web with the drafting rollers, thereby affecting the drafting quality of the fiber web.

SUMMERY OF THE UTILITY MODEL

In order to improve the drafting quality of fiber webs, the application provides a drafting device.

The application provides a drafting device adopts following technical scheme:

the utility model provides a drafting device, includes transmission support and draft support, the transmission support sets up one side of draft support, it is connected with a plurality of draft rollers to rotate on the transmission support, every the equal perpendicular to of draft roller the draft support, every the draft roller all passes the draft support, and extend to in the draft support, it is a plurality of the draft roller is provided with upper and lower two rows, two rows two liang crisscross settings of draft roller, every all the cover is equipped with the turbine on the draft roller, it is connected with two worms to rotate on the transmission support, one the worm is used for the transmission to go up the row the draft roller, another the worm is used for the transmission to arrange down the draft roller, the worm with the turbine meshing, be connected with the connecting rod on the transmission support, the connecting rod is located two between the worm, two the worm all through the awl gear train with the connecting rod is connected, be provided with driving motor in the transmission support, driving motor's output shaft coaxial coupling in one of them the worm, be provided with the locating part that is used for restricting the off tracking material on the draft roller.

By adopting the technical scheme, the limiting part is used for reducing the possibility of moving the fiber web. The driving motor is started to drive one of the worms to rotate, the other worm is driven to rotate through the matching of the bevel gear set and the connecting rod, the drafting rollers are rotated due to the meshing of the worms and the worm wheel, the effect that one driving motor simultaneously drives the two rows of drafting rollers, and the two rows of drafting rollers are opposite in rotation direction is realized, so that each drafting roller is kept to rotate at the same rotation speed, the possibility of slipping of fiber materials is reduced, and the drafting quality of the fiber materials is improved.

Optionally, the locating part includes solid fixed ring and shifting ring, gu fixed ring connects on the draft roller, shifting ring sliding fit is in on the draft roller, be provided with the regulation on the draft roller the adjusting part of shifting ring position, dacron material level in gu fixed ring with between the shifting ring.

Through adopting above-mentioned technical scheme, the fixed ring has reduced the possibility of fibre material off tracking in the draft process with the cooperation between the shifting ring, has improved the draft quality of fibre material. The adjusting component adjusts the moving ring, so that the limiting part can adapt to fiber materials of different sizes, and the adaptability of the limiting part is improved.

Optionally, the adjusting assembly includes an adjusting rod and a moving block, the drafting roller is provided with an adjusting groove along a length direction thereof, the adjusting groove is a polygonal groove, the adjusting rod is rotatably connected in the adjusting groove and parallel to the adjusting groove, the moving block is slidably fitted in the adjusting groove and connected to the moving ring, the moving block is provided with a screw hole, and the adjusting rod passes through the screw hole and is in threaded fit with the screw hole.

Through adopting above-mentioned technical scheme, the staff rotates the regulation pole, makes the movable block displacement, drives the displacement of shifting ring, has realized the effect of adjusting the shifting ring position.

Optionally, one end of the adjusting rod, which is far away from the transmission support, is provided with an adjusting handle, and the adjusting handle is detachably matched with the adjusting rod.

By adopting the technical scheme, the adjusting handle is used for the worker to conveniently rotate the adjusting rod, so that the operating efficiency of the adjusting rod is improved.

Optionally, each adjusting rod is far away from the one end of transmission support has all opened the spacing groove, adjust and be connected with the stopper on hand, the stopper cooperation of pegging graft is in one of them in the spacing groove.

Through adopting above-mentioned technical scheme, the grafting cooperation of stopper and spacing groove has made things convenient for the staff to utilize an adjustment handle to adjust just can adjust the position of all shifting rings, has practiced thrift the cost of manufacture of adjusting tool.

Optionally, the drafting roller is provided with scale marks along the length direction of the adjusting groove.

Through adopting above-mentioned technical scheme, the scale mark makes the staff can adjust the position of shift ring better, has improved the regulation efficiency of shift ring.

Optionally, the arc surface of the drawing roller is provided with anti-slip lines.

By adopting the technical scheme, the anti-skid veins are used for increasing the friction force between the fiber materials and the drafting roller, so that the drafting roller can better drive the fiber materials to displace.

Optionally, the drafting frame is provided with an inlet end and an outlet end, the inlet end and the outlet end are both provided with rotating rollers, and the rotating rollers are rotatably connected to the drafting frame.

By adopting the technical scheme, the rotating roller is used for changing the travelling path of the fiber web, so that the possibility of damage of the fiber web caused by friction between the fiber web and the drafting bracket is reduced.

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

1. the stoppers are used to reduce the possibility of movement of the fibre web. The driving motor is started to drive one of the worms to rotate, and the other worm is driven to rotate through the matching of the bevel gear set and the connecting rod, and the drafting rollers rotate due to the meshing of the worms and the worm wheel, so that the effect that one driving motor simultaneously drives two rows of drafting rollers, and the two rows of drafting rollers rotate in opposite directions is realized, each drafting roller rotates at the same rotating speed, the possibility of slipping of fiber materials is reduced, and the drafting quality of the fiber materials is improved;

2. the fixed ring is matched with the movable ring, so that the possibility of deviation of the fiber materials in the drafting process is reduced, and the drafting quality of the fiber materials is improved. The adjusting assembly adjusts the moving ring, so that the limiting part can adapt to fiber materials with different sizes, and the adaptability of the limiting part is improved;

3. the staff rotates the regulation pole, makes the movable block displacement, drives the displacement of shifting ring, has realized the effect of adjusting the shifting ring position.

Drawings

Fig. 1 is a schematic structural diagram of the interior of a transmission bracket in an embodiment of the present application.

Figure 2 is a schematic view of the internal structure of the drafting frame in the embodiment of the application.

Fig. 3 is an exploded view of the structure of the drafting roller, the limiting member and the adjusting member in the embodiment of the present application.

Fig. 4 is an exploded view of an embodiment of the present application for embodying the cooperation of the adjustment handle and the adjustment lever.

Description of reference numerals: 1. a transmission bracket; 2. a drafting frame; 3. a drawing roller; 31. a turbine; 32. a worm; 33. a connecting rod; 34. a bevel gear set; 35. a drive motor; 36. an adjustment groove; 361. a stopper; 37. scale lines; 38. anti-skid lines; 4. a limiting member; 41. a fixing ring; 42. a moving ring; 5. an adjustment assembly; 51. adjusting a rod; 511. a limiting groove; 52. a moving block; 6. adjusting the handle; 61. a limiting block; 7. the roller is rotated.

Detailed Description

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

The embodiment of the application discloses a drafting device. Referring to fig. 1, a drafting device comprises a transmission bracket 1 and a drafting bracket 2, wherein the transmission bracket 1 is fixedly connected with one side of the drafting bracket 2. The transmission support 1 is connected with a plurality of drafting rollers 3 through a bearing seat, the drafting rollers 3 are all perpendicular to the transmission support 1, and the drafting rollers 3 penetrate through the drafting support 2 and extend into the drafting support 2. The plurality of drafting rollers 3 are arranged in an upper row and a lower row, two drafting rollers 3 are arranged in the upper row, three drafting rollers 3 are arranged in the lower row as an example, and the upper row of drafting rollers 3 and the lower row of drafting rollers 3 are arranged in a staggered way two by two. Each drafting roller 3 is sleeved with a worm wheel 31, the worm wheels 31 are fixedly connected with the drafting rollers 3, the transmission bracket 1 is connected with two worms 32 through a rotating frame, one worm 32 is used for transmitting the upper row of drafting rollers 3, the other worm 32 is used for transmitting the lower row of drafting rollers 3, and the worm wheels 31 are meshed with the worms 32.

Referring to fig. 1, a connecting rod 33 is vertically connected to the transmission bracket 1 through a connecting frame, the connecting rod 33 is located between two worms 32, the two worms 32 are connected to the connecting rod 33 through bevel gear sets 34, and the two bevel gear sets 34 are arranged oppositely. The transmission support 1 is connected with a fixing frame through a bolt, the fixing frame is connected with a driving motor 35 through a bolt, and an output shaft of the driving motor 35 is coaxially connected with one of the worms 32.

The driving motor 35 is started to drive one worm 32 to rotate, the other worm 32 is driven to rotate through the matching of the bevel gear set 34 and the connecting rod 33, the drafting rollers 3 are driven to rotate through the meshing of the worm 32 and the worm wheel 31, the effect that one driving motor 35 drives the two worms 32 to rotate simultaneously and the rotation directions of the two worms 32 are opposite is achieved, each drafting roller 3 is driven to rotate at the same rotating speed, the possibility of slipping of fiber materials is reduced, and the drafting quality of the fiber materials is improved.

Referring to fig. 2 and 3, the draft roller 3 is provided with a stopper 4, and the stopper 4 includes a fixed ring 41 and a movable ring 42. The fixed ring 41 and the moving ring 42 are sleeved on the drafting roller 3, the fixed ring 41 is connected to the drafting roller 3 through a bolt, the moving ring 42 is in sliding fit on the drafting roller 3, and the fiber material is located between the fixed ring 41 and the moving ring 42.

Referring to fig. 3, the draft roller 3 is provided with an adjusting assembly 5 for adjusting the position of the moving ring 42, the adjusting assembly 5 includes an adjusting rod 51 and a moving block 52, the draft roller 3 is provided with an adjusting groove 36 along the length direction thereof, the adjusting groove 36 is a rectangular groove, one end of the adjusting groove 36 in the length direction is provided with an opening, and a stopper 361 is fixedly connected to the opening. The adjusting rod 51 is rotatably connected in the adjusting groove 36 and is parallel to the adjusting groove 36, the moving block 52 is slidably matched in the adjusting groove 36, a threaded hole is formed in the moving block 52, a through hole is formed in the position, corresponding to the threaded hole, of the stop block 361, one end of the adjusting rod 51 sequentially penetrates through the threaded hole and the through hole and extends to the outside, the adjusting rod 51 is in threaded fit with the threaded hole, the adjusting rod 51 is rotatably connected with the through hole, and the moving ring 42 is fixedly connected with the moving block 52. The worker rotates the adjusting rod 51 to displace the moving block 52 and drive the moving ring 42 to displace, so that the effect of adjusting the position of the moving ring 42 is achieved.

Referring to fig. 3 and 4, in order for the worker to rotate the adjustment lever 51 better, one end of the adjustment lever 51 located outside the draft roller 3 is provided with an adjustment handle 6. The one end that the regulation pole 51 is located the outside is opened there is spacing groove 511, and spacing groove 511 is the cross setting, and fixedly connected with stopper 61 on the regulation handle 6, stopper 61 are the cross setting, and stopper 61 pegs graft the cooperation in spacing groove 511. The insertion fit of the limiting groove 511 and the limiting block 61 enables the worker to assemble and disassemble the adjusting handle 6 more conveniently. The worker can rotate all the adjusting rods 51 by using one adjusting handle 6, so that the manufacturing cost of the adjusting handle 6 is reduced.

Referring to fig. 3, in order to allow the worker to adjust the position of the moving ring 42 more accurately, the draft roller 3 is provided with scale marks 37 along the longitudinal direction of the adjustment groove 36.

Referring to fig. 3, in order to increase the friction between the fiber web and the drawing roller 3, the circular arc surface of the drawing roller 3 is provided with an anti-slip pattern 38.

Referring to fig. 2, the drafting frame 2 is provided with an inlet end and an outlet end for the fiber material to enter and exit, the inlet end and the outlet end are respectively provided with a rotating roller 7, and the rotating roller 7 is rotatably connected to the drafting frame 2. The rotating roller 7 is used for changing the traveling path of the fiber web, and the possibility that the fiber web is damaged due to friction between the fiber web and the drafting frame 2 is reduced.

The implementation principle of the drafting device in the embodiment of the application is as follows: the staff starts driving motor 35, makes a worm 32 rotate, through the cooperation of bevel gear set 34 and connecting rod 33, makes a worm 32 drive another worm 32 and rotates, because the meshing between turbine 31 and the worm 32, has realized that a driving motor 35 drives upper and lower row of draft roller 3 and rotates, and two rows of draft roller 3 turn to opposite effect, makes every draft roller 3 all keep same rotational speed to rotate, has reduced the skid possibility of fibre material, has improved the draft quality of fibre material.

When the distance between the fixing ring 41 and the moving ring 42 needs to be adjusted, a worker inserts the limiting block 61 into the limiting groove 511, then rotates the adjusting handle 6, so that the adjusting rod 51 rotates, the moving block 52 displaces, the moving ring 42 is driven to displace, and the effect of adjusting the position of the moving ring 42 is achieved.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, 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. The utility model provides a drafting device, includes transmission support (1) and draft support (2), transmission support (1) sets up one side of draft support (2), it is connected with a plurality of draft rollers (3) to rotate on transmission support (1), every draft roller (3) all perpendicular to draft support (2), every draft roller (3) all pass draft support (2), and extend to in draft support (2), it is a plurality of draft roller (3) are provided with upper and lower two rows, two rows two liang of crisscross setting of draft roller (3), every all overlap on draft roller (3) and be equipped with turbine (31), it is connected with two worms (32), one to rotate on transmission support (1) worm (32) are used for the transmission to go up arrange draft roller (3), another worm (32) are used for the transmission to arrange down draft roller (3), worm (32) with turbine (31) meshing, its characterized in that: be connected with connecting rod (33) on transmission support (1), connecting rod (33) are located two between worm (32), two worm (32) all through bevel gear group (34) with connecting rod (33) are connected, be provided with driving motor (35) in transmission support (1), the output shaft coaxial coupling of driving motor (35) is in one of them worm (32), be provided with locating part (4) that are used for restricting dacron material off tracking on draft roller (3).

2. A drafting device as claimed in claim 1, wherein: locating part (4) are including solid fixed ring (41) and shift ring (42), gu fixed ring (41) is connected on draft roller (3), shift ring (42) sliding fit is in on draft roller (3), be provided with the regulation on draft roller (3) adjust regulating assembly (5) of shift ring (42) position, dacron material level in gu fixed ring (41) with between shift ring (42).

3. A drafting device as claimed in claim 2, wherein: the adjusting assembly (5) comprises an adjusting rod (51) and a moving block (52), an adjusting groove (36) is formed in the drawing roller (3) along the length direction of the drawing roller, the adjusting groove (36) is a polygonal groove, the adjusting rod (51) is rotatably connected in the adjusting groove (36) and is parallel to the adjusting groove (36), the moving block (52) is in sliding fit in the adjusting groove (36) and is connected with the moving ring (42), a screw hole is formed in the moving block (52), and the adjusting rod (51) penetrates through the screw hole and is in threaded fit with the screw hole.

4. A drafting device as claimed in claim 3, wherein: the adjusting rod (51) is far away from one end of the transmission support (1) and is provided with an adjusting handle (6), and the adjusting handle (6) is detachably matched with the adjusting rod (51).

5. A drafting device as claimed in claim 4, wherein: each adjusting rod (51) is far away from one end of the transmission support (1) and is provided with a limiting groove (511), the adjusting handle (6) is connected with a limiting block (61), and the limiting block (61) is inserted and matched in one of the limiting grooves (511).

6. A drafting device as claimed in claim 3, wherein: and scale marks (37) are arranged on the drafting roller (3) along the length direction of the adjusting groove (36).

7. A drafting device as claimed in claim 1, wherein: and the arc surface of the drawing roller (3) is provided with anti-skid grains (38).

8. A drafting device as claimed in claim 1, wherein: an inlet end and an outlet end are arranged on the drafting support (2), rotating rollers (7) are arranged at the inlet end and the outlet end, and the rotating rollers (7) are rotatably connected to the drafting support (2).