CN210675413U

CN210675413U - Cutting and smashing device for spandex filaments

Info

Publication number: CN210675413U
Application number: CN201920591817.9U
Authority: CN
Inventors: 潘瑞彬; 姜秋桂; 杨文�; 孙爱红
Original assignee: Huaian Qiaoxin New Material Technology Co ltd
Current assignee: Huaian Qiaoxin New Material Technology Co ltd
Priority date: 2019-04-28
Filing date: 2019-04-28
Publication date: 2020-06-05
Anticipated expiration: 2029-04-28

Abstract

The utility model relates to a device is smashed in cutting of spandex silk, including quick-witted case, axle swivelling joint is in the upper portion of quick-witted case, the axle is at quick-witted incasement fixed assembly's knife rest, fixedly connected with cutter unit spare A on the knife rest, the internal face fixedly connected with cutter unit spare B of machine case, cutter unit spare A sets up with cutter unit spare B's cutting edge relatively to distance between the cutting edge is 5~10mm, there is the contained angle between cutter unit spare A and cutter unit spare B's the cutting edge, the discharge gate has been seted up to the machine case in the below of knife rest. The cutter frame rotates along with the rotating shaft, so that the cutter component A is driven to rotate, and an included angle exists between the cutter component A and the cutter component B fixed on the inner wall of the box body. When cutter unit spare A is rotatory along with the knife rest, when being close to cutter unit spare B gradually, because there is the contained angle between cutter unit spare A and the cutter unit spare B, cutter unit spare A's cutting edge and cutter unit spare B's cutting edge can produce the effect that the extrusion was cuted, cuts off effectually, and the knife rest is along with the pivot high rotation, can show the efficiency that the improvement cutting was smashed.

Description

Cutting and smashing device for spandex filaments

Technical Field

The utility model relates to a textile sector, concretely relates to device is smashed in cutting of spandex silk.

Background

The spandex silk is an elastic fiber, has high elasticity, can be drawn to 6-7 times, and can be rapidly recovered to an initial state after tension disappears. The spandex has the scientific name of polyurethane elastic fiber and has good performances of weather resistance, flexibility resistance, wear resistance and the like. The spinning method of spandex mainly comprises the following steps: dry spinning, wet spinning, melt spinning, chemical reaction. The spinning raw material can use waste spandex silk. The waste spandex filaments are recycled for secondary melting, various auxiliary materials are added, and re-spinning can be performed, so that the production cost can be effectively reduced. Old and useless spandex silk need cut before melting and smash, and the mode that adopts at present cuts with the cutting machine, because of there is great elasticity in the spandex silk, adopts the effect that the cutting machine directly cut not good, and efficiency is not high, smashes the effect unsatisfactory.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a device is smashed in cutting of spandex silk can improve the efficiency of cutting to can have better effect of smashing.

The utility model discloses a following technical scheme realizes:

the utility model provides a device is smashed in cutting of spandex silk, includes quick-witted case, and axle swivelling joint is in the upper portion of quick-witted case, the axle is at quick-witted incasement fixed mounting and is equipped with the knife rest, fixedly connected with cutter assembly A on the knife rest, the internal face fixedly connected with cutter assembly B of machine case, cutter assembly A sets up with cutter assembly B's cutting edge relatively to distance between the cutting edge is 5~10mm, there is the contained angle between cutter assembly A and cutter assembly B's the cutting edge, the discharge gate has been seted up to machine case in the below of knife rest.

The utility model discloses a further improvement is, cutter unit spare A includes four pairs of cutter A, four pairs of cutter A use the even fixed connection of circumferencial direction of axle in the knife rest, every to cutter A with the axis symmetry fixed connection of quick-witted case in the knife rest, every to the contained angle between the cutter A be 120 degrees ~150 degrees.

The utility model discloses a further improvement scheme is, cutter subassembly B includes two pairs of cutters B, two pairs of cutters B relatively fixed connection are in quick-witted case internal wall, each pair of cutters B is in the inboard wall of quick-witted case with the axis symmetry fixed connection of quick-witted case, the contained angle between each pair of cutters B is 120 degrees ~150 degrees; the included angle directions of the two pairs of cutters B are opposite.

The utility model discloses a further improvement scheme is, cutter A and cutter B's cross-section is right trapezoid, cutter A's the tight knife rest of last end subsides carries out fixed connection, cutter B's the cross-section upper base is relative with cutter A's the cross-section upper base.

The utility model discloses a further improvement scheme is, machine case is equipped with the filter between knife rest and discharge gate, the internal fixed connection of filter and machine case.

The utility model discloses a further improvement scheme is, discharge gate department is connected with suction device.

The utility model discloses a further improvement scheme is, the upper end of machine case is rotated and is connected the housing, the feed inlet has been seted up on the housing.

Compared with the prior art, the utility model, following obvious advantage has:

firstly, the cutter frame rotates along with the rotating shaft, so that the cutter component A is driven to rotate, and an included angle exists between the cutter component A and the cutter component B fixed on the inner wall of the box body. When cutter unit spare A is rotatory along with the knife rest, when being close to cutter unit spare B gradually, because there is the contained angle between cutter unit spare A and the cutter unit spare B, cutter unit spare A's cutting edge and cutter unit spare B's cutting edge can produce the effect that the extrusion was cuted, cuts off effectually, and the knife rest is along with the pivot high rotation, can show the efficiency that the improvement cutting was smashed.

And secondly, four pairs of cutters A are arranged on the cutter rest, and the cutter rest rotates for a circle, so that the cutting and smashing can be carried out for four times, and the cutting and smashing efficiency is obviously improved. The included angle between every pair of cutter A is at 120 degrees ~150 degrees, can produce better shearing effect to can carry appropriate amount of spandex silk between every pair of cutter A and cut and smash.

And thirdly, two pairs of cutters B are arranged on the inner wall surface of the case, and the included angle between each pair of cutters B is 120-150 degrees, so that a better cutting effect can be generated when the included angle is matched with the included angle of the cutter A. The included angles between the two pairs of cutters B are opposite in direction, and the cutters A on the cutter rest can only rotate in one direction, so that the included angles of the two pairs of cutters B are opposite in direction in order to achieve the same cutting effect.

Fourthly, the cross sections of the cutter A and the cutter B are right trapezoid, the plane with the angle is a cutter blade face, the upper bottom of the cutter A is attached to the cutter rest to be fixedly connected, the upper bottom of the cross section of the cutter B is opposite to the upper bottom of the cross section of the cutter A, the cutter A is guaranteed to be opposite to the cutter B all the time in the rotating process, and the best shearing effect is achieved.

And fifthly, a filter plate is arranged between the cutter frame and the discharge hole of the case, so that spandex yarns which do not meet the cutting requirement can be taken away by the cutter A again for secondary cutting.

Sixthly, the discharge gate sets up suction device, and the spandex silk quality after being cut and broken is lighter, uses suction device can take the spandex silk out of quick-witted case and collect.

Seventhly, the case is provided with the housing, so that a good protection effect can be achieved, and the feeding port is formed in the housing, so that materials can be conveniently added.

Drawings

Fig. 1 is a perspective view of the present invention;

FIG. 2 is a perspective view of the assembly of the housing and cutter B;

FIG. 3 is a perspective view of the knife holder and cutter A assembly;

FIG. 4 is a perspective view of cutter A and cutter B;

fig. 5 is a perspective view of the housing.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

As shown in fig. 1 and 5, the utility model discloses a case 1, the upper end of case 1 is connected with axle 2 through the bearing rotation, and a fixed band pulley 7 that is equipped with of an end of pivot 2, band pulley 7 are connected with drive arrangement (not drawn in the figure) through the belt and drive, and the fixed flywheel 8 that is equipped with of other one end of pivot 2. The cutter assembly A41 is arranged opposite to the cutting edge of the cutter assembly B42, and the distance between the cutting edges is 2-5 mm during cutting.

The tool holder 3 is fixedly mounted in the middle of the rotating shaft 2, the cross section of the tool holder 3 in the embodiment is square, four blade fixing plates A31 are welded on four surfaces of the tool holder 3 along the circumferential direction of the shaft 2, and the blade fixing plates 31A are in a V-shaped structure and are symmetrically arranged about the axial center of the tool holder 3. The V-shaped included angle of the blade fixing plate A31 is 120 degrees, and a cutter A41' is fixedly connected with the blade fixing plate A31 through a bolt. The section of the cutter A41 'is a right trapezoid, and the upper bottom surface of the cutter A41' is attached and fastened with the blade fixing plate A. In order to facilitate the positioning adjustment, the hole on the cutter A41' is expanded into a waist-shaped hole.

Two blade fixing plates B13 are fixedly welded to the upper portion of the inner wall surface of the chassis 1 and are respectively located on two axial sides of the shaft 2. The front blade holding plate B13 is in an inverted V-shaped configuration in fig. 2, and is symmetrically disposed about the axial center of the holder 3, and the included angle of the V-shape is 120 degrees. The cutter B42 ' is assembled on the cutter fixing plate B13 through bolts, and the shape of the cutter B42 ' is the same as that of the cutter A41 '. The lower bottom surface of the cutter B42' is tightly attached and fixed with the blade fixing plate B13. The blade holding plate B13 at the rear end in fig. 2 has a "V" shape, and is symmetrically disposed about the axial center of the holder 3, and the included angle of the "V" shape is 120 degrees. The upper bottom surface of the cutter B42' is tightly attached and fixed with the blade fixing plate B13.

The lower end of the case 1 is provided with a discharge port 11, and the discharge port 11 is communicated with a suction device 5. The case 1 is provided with a filter plate 12 between the tool rest 3 and the discharge port 11, and the filter plate 12 is fixedly connected with the inner wall surface of the case 1 by welding. The upper end of the case 1 is rotatably connected with the housing 6 through the ear plate 14, and the housing 6 is provided with a feeding hole 61.

The knife rest assembly is installed according to the direction of the figure 1, and from the position of the figure 1, the shaft 2 is driven by the driving device to rotate anticlockwise, at the moment, the cutting edges of the cutting knife A41 'and the cutting knife B42' can achieve the best extrusion shearing effect, and the distance between the cutting knife A41 'and the cutting edge of the cutting knife B42' during extrusion shearing is 3 mm. Meanwhile, the V-shaped included angle of the cutter A41' is always opposite in the rotating process, the largest accommodating space is ensured, and the spandex yarn which is the most broken can be cut at each time.

The working process is as follows: the cover 6 covers the upper part of the case 1, waste spandex filaments are poured towards the feeding port 61, the cutter A41 'is driven by the driving device to rotate anticlockwise (the position shown in figure 1), and the V-shaped surface between the cutters A41' can continuously carry the waste spandex filaments for cutting and breaking. The spandex yarn which meets the requirements after being smashed passes through the filter plate 12 to the lowest part of the beating machine case 1 and is discharged out of the machine case 1 through the suction device 5.

Claims

1. The utility model provides a device is smashed in cutting of spandex silk which characterized in that: including quick-witted case (1), axle (2) rotate to be connected in the upper portion of quick-witted case (1), axle (2) are equipped with knife rest (3) at quick-witted case (1) internal fixation, fixedly connected with cutter unit A (41) on knife rest (3), the internal face fixedly connected with cutter unit B (42) of machine case (1), cutter unit A (41) set up with the cutting edge of cutter unit B (42) relatively to distance between the cutting edge is 2~5mm during the cutting, there is the contained angle between the cutting edge of cutter unit A (41) and cutter unit B (42), discharge gate (11) have been seted up in the below of knife rest (3) to quick-witted case (1).

2. The cutting and breaking device of spandex filament according to claim 1, characterized in that: the cutter component A (41) comprises four pairs of cutters A (41 '), the four pairs of cutters A (41') are uniformly and fixedly connected to the cutter rest in the circumferential direction of the shaft (2), each pair of cutters A (41 ') are symmetrically and fixedly connected to the cutter rest (3) in the axial line of the case (1), and an included angle between each pair of cutters A (41') ranges from 120 degrees to 150 degrees.

3. The cutting and breaking device of spandex filament according to claim 2, characterized in that: the cutter assembly B (42) comprises two pairs of cutters B (42 '), the two pairs of cutters B (42') are oppositely and fixedly connected to the inner wall surface of the case (1), each pair of cutters B (42 ') is symmetrically and fixedly connected to the inner wall surface of the case (1) along the central axis of the case (1), and the included angle between each pair of cutters B (42') ranges from 120 degrees to 150 degrees; the included angles of the two pairs of cutters B (42') are opposite in direction.

4. The cutting and breaking device of spandex filament according to claim 3, characterized in that: the sections of the cutting knife A (41 ') and the cutting knife B (42 ') are right-angled trapezoids, the upper bottom of the cutting knife A (41 ') is fixedly connected with the knife rest (3) in a clinging mode, and the upper bottom of the section of the cutting knife B (42 ') is opposite to the upper bottom of the section of the cutting knife A (41 ').

5. The cutting and breaking device of spandex filament according to claim 1, characterized in that: the machine case (1) is provided with a filter plate (12) between the tool rest (3) and the discharge hole (11), and the filter plate (12) is fixedly connected with the inner wall surface of the machine case (1).

6. The cutting and breaking device of spandex filament according to claim 1, characterized in that: the discharge hole (11) is connected with a suction device (5).

7. The cutting and breaking device of spandex filament according to claim 1, characterized in that: the upper end of the case (1) is rotatably connected with the housing (6), and the housing (6) is provided with a feeding hole (61).