KR101873314B1 - Automatic fiber cutting machine - Google Patents

Automatic fiber cutting machine Download PDF

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Publication number
KR101873314B1
KR101873314B1 KR1020170027087A KR20170027087A KR101873314B1 KR 101873314 B1 KR101873314 B1 KR 101873314B1 KR 1020170027087 A KR1020170027087 A KR 1020170027087A KR 20170027087 A KR20170027087 A KR 20170027087A KR 101873314 B1 KR101873314 B1 KR 101873314B1
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KR
South Korea
Prior art keywords
cutter
plate
fastening
cutting unit
support
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KR1020170027087A
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Korean (ko)
Inventor
조성욱
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조성욱
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Priority to KR1020170027087A priority Critical patent/KR101873314B1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
    • B26D1/25—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
    • B26D7/2614—Means for mounting the cutting member
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G1/00—Severing continuous filaments or long fibres, e.g. stapling
    • D01G1/02—Severing continuous filaments or long fibres, e.g. stapling to form staple fibres not delivered in strand form
    • D01G1/04—Severing continuous filaments or long fibres, e.g. stapling to form staple fibres not delivered in strand form by cutting

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)

Abstract

The present invention relates to an automatic fiber cutting apparatus comprising: a support frame which supports a rotation motor and a driving unit; the rotation motor which is installed on one side of an upper portion of the support frame and rotates and operates a driving axis of the driving unit and a cutting unit connected to the same; the driving unit which is installed on the other side of the upper portion of the support frame and rotates the cutting unit; the cutting unit which is connected to and installed on the driving unit and cuts long lengths of fiber into short widths by using a plurality of cutters installed in a radial direction between a pair of cutter support plates; and a support roller which is installed on one side of the cutting unit and supports the fiber. The automatic fiber cutting apparatus can tightly support the cutters and thus can significantly increase the quality of fiber cutting and productivity. In addition, the automatic fiber cutting apparatus significantly extends the service life of the cutter and facilitates easy replacement.

Description

{AUTOMATIC FIBER CUTTING MACHINE}

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an automatic cutter for a fiber cutter, and more particularly, to a cutter cutter having a plurality of cutters radially disposed between a pair of cutter support plates, Width automatic cutting machine.

The present invention particularly relates to a cutting apparatus for cutting a long length of fibers supplied to the outer periphery of a cutting unit in a short period of time in a process of rotating a cutting unit in which a plurality of cutters are radially disposed between a pair of cutter supporting plates, The present invention relates to a textile automatic cutter that falls when a cut fiber moves in the direction of the center of a cutting unit through a space between a pair of cutters.

A fiber cutter of the type to which the present invention relates is disclosed in many of U.S. Patent Nos. 3,485,120, 3,733,945, 4,248,114, and the like.

The following Patent Document 1 discloses a fiber cutter in which a plurality of blades are mounted at regular intervals along the circumference so that the ends of the blades are opposite to the center of the annular plate for mounting the blades.

The fiber cutter of Patent Document 1 has a blade thickness of 0.5 to 1.5 mm, and the end of the blade is processed into two stages. The blade for insertion of the blade of the annular plate for mounting the blade has a groove (blade thickness + 0.01 to 0.1 mm) And the blade mounted on the upper and lower annular plates for fixing the blade is fixed by tightening the wrench bolt through the screw hole of the cover plate at the upper part of the blade.

The following Patent Document 2 discloses a fiber cutter in which a gasket is provided between the upper end of the cutter and the cover plate to firmly support the cutter.

Korean Patent Publication No. 1996-0014813 (issued October 21, 1996) U.S. Patent No. 4,248,114 (registered on February 03, 1981)

However, in the conventional fiber cutting machine including the patent documents 1 and 2, the cutter installed radially between the pair of cutter supporting plates is not firmly supported, so that the cutter is often damaged during the operation. Therefore, There is a problem that the productivity is deteriorated due to replacement.

In addition, in the conventional fiber cutting machine, it is difficult to couple or separate the cutting unit including the cutter to the drive unit, and it is very difficult to replace the damaged cutter when the cutter is damaged during use.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems of the prior art fiber cutter, and its object is to provide a cutter which is capable of more firmly supporting a cutter radially installed between a pair of cutter supports, And to improve the cutting efficiency as well as to provide an automatic cutter for a textile.

Another object of the present invention is to provide an automatic cutter for a textile which can easily couple and detach a cutting unit to a drive unit and can easily replace a damaged cutter during use.

According to an aspect of the present invention, there is provided a textile automatic cutter including: a support frame for supporting a rotary motor and a drive unit; A rotation motor installed at one side of the upper portion of the support frame to rotate the drive shaft of the drive unit and the cutting unit connected thereto; A drive unit installed on the other side of the upper portion of the support frame to rotate the cutting unit; A cutting unit connected to a drive shaft of the drive unit and cutting a long length of the fiber into a short width through a plurality of cutters provided radially between a pair of cutter supporting plates; And a support roller provided on one side of the cutting unit to support the fiber.

A cutting unit of a textile automatic cutter according to the present invention includes: a drive shaft connecting block connected to a drive shaft of a drive unit; An upper cutter support plate installed at a lower end of the drive shaft connection block and supporting an upper portion of one side of the cutter; A lower cutter support plate installed at a lower portion of the upper cutter support plate to support one side lower portion of the cutter; An upper guide plate installed on an outer periphery of the upper cutter supporting plate for supporting an upper end portion of the fiber to be cut; A connecting plate installed on an upper portion of the upper cutter supporting plate for connecting the upper cutter supporting plate and the upper guide plate; A lower guide plate installed on the outer periphery of the lower cutter supporting plate for supporting a lower end portion of the fiber to be cut; A plurality of fastening holders for supporting the upper cutter support plate and the lower cutter support plate apart from each other and supporting a center portion of one side of the cutter; And a plurality of cutters radially installed between the upper cutter support plate and the lower cutter support plate.

The automatic cutter according to the present invention is characterized in that a cutting unit connecting portion is provided at a lower end of a drive shaft of a drive unit, a fastening hole is formed at a lower center of a cutting unit connecting portion, a fastening pin insertion hole is formed at a lower end of a cutting unit connecting portion, The driving shaft connecting block is provided with an insertion hole to be inserted into the cutting unit connecting portion of the driving unit driving shaft, and a fixing pin inserted and coupled into the fixing pin insertion hole of the drive unit driving shaft protrudes from one side of the upper end of the driving shaft connecting block, And a drive shaft fastening hole is formed in the center of the support plate.

The automatic cutter according to the present invention is characterized in that a plurality of fastening bolt through holes are formed radially around the upper end of the drive shaft connecting block and a plurality of drive shaft connecting block fastening holes are formed radially around the central portion of the upper cutter supporting plate .

In the automatic cutter of the present invention, a plurality of fastener holder through holes are radially formed on the outer periphery of the upper cutter support plate and the outer periphery of the lower cutter support plate, and the cutter slit is formed on the outer side of each fastener holder through- .

In the automatic cutter of the present invention, the upper guide plate is provided with an insertion hole to be inserted into the upper cutter support plate, a plurality of fastening holes are radially formed on the outer side of the insertion hole of the upper guide plate, And a plurality of fastening bolt through holes corresponding to the fastening holes of the upper guide plate are radially formed on the outer circumference of the fastening plate.

The automatic cutter according to the present invention is characterized in that the connecting plate is divided into a plurality of rings.

The automatic cutter according to the present invention is characterized in that a lower cutter support plate support step is provided at an inner upper portion of a lower guide plate and a plurality of fastener holder through holes are formed radially outwardly of a lower guide plate.

The automatic cutter according to the present invention is characterized in that the fastening holder is of a shaft type provided with fastening portions at the upper and lower ends of the cutter supporting portion and has a cutter insertion groove formed at one side of the cutter supporting portion.

The automatic cutter according to the present invention is characterized in that a cut-away portion is formed on both outer sides of a cutter fitting groove of a fastening holder.

According to the automatic cutter of the present invention, since the entire one side of the cutter can be firmly supported through the upper cutter support plate, the lower cutter support plate, and the fastening holder, the quality and productivity of the fiber cut can be greatly improved, It is possible to greatly extend the life of the battery.

According to the automatic cutter of the present invention, the cutting unit can be easily coupled to or separated from the driving unit driving shaft by using only one fastening bolt.

According to the automatic cutter of the present invention, when a damaged cutter is to be replaced, only the upper portion of the cutter to be replaced can be separated without removing the entirety of the plurality of divided connecting plates, so that the damaged cutter can be easily taken out. So that the cutter can be easily replaced.

1 is a front view of a textile automatic cutter according to a preferred embodiment of the present invention,
FIG. 2 is a plan view of a textile automatic cutter according to the present preferred embodiment,
Fig. 3 is an exploded cross-sectional view of a driving unit and a cutting unit of the automatic cutter according to the present invention,
4 is a bottom view of a drive unit drive shaft of the automatic cutter of the present invention,
5 is a longitudinal sectional view of a cutting unit of a textile automatic cutter according to the present preferred embodiment,
6 is an exploded vertical cross-sectional view of a cutting unit of the automatic cutter of a textile according to the present preferred embodiment,
7 is a plan view of a driving unit connection block of a cutting unit of a textile automatic cutter according to the presently preferred embodiment,
8 is a plan view of an upper cutter supporting plate of a cutting unit of a textile automatic cutter according to the presently preferred embodiment,
9 is a plan view of a cutting cutter supporting plate of a cutting unit of a textile automatic cutter according to the present preferred embodiment,
FIG. 10 is a plan view of the upper guide plate of the cutting unit of the automatic cutter of the present invention,
11 is a plan view of the cutting unit connecting plate of the automatic cutter of the present invention,
12 is a plan view of the lower guide plate of the cutting unit of the automatic cutter of the present invention,
Fig. 13 is a front view of a cutting unit fastening holder of the automatic cutter of the present invention,
Fig. 14 is a plan view of a cutting unit clamping holder of the automatic cutter of the present invention,
Fig. 15 is a side view of a cutting unit fastening holder of the automatic cutter of a textile according to the presently preferred embodiment; Fig.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which preferred embodiments of the invention are shown.

In the following, the terms "upward", "downward", "forward" and "rearward" and other directional terms are defined with reference to the states shown in the drawings.

FIG. 1 is a front view of a textile automatic cutter according to a preferred embodiment of the present invention, FIG. 2 is a plan view of the automatic textile cutter according to the present preferred embodiment, FIG. 3 is a cross- Sectional view of the cutting unit.

The automatic cutter P according to the preferred embodiment of the present invention includes a support frame 100, a rotation motor 200, a drive unit 300, a cutting unit 400, and a support roller 500.

The support frame 100 supports the rotation motor 200 and the drive unit 300.

The rotary motor 200 rotates the driving shaft 310 of the driving unit 300 and the cutting unit 400 connected to the driving shaft 310 and is installed on one side of the upper portion of the supporting frame 100.

The rotary shaft 210 of the rotary motor 200 is connected to the drive shaft 310 of the drive unit 300 through a belt which is a power transmission means.

The driving unit 300 is for rotating the cutting unit 400 and is installed on the other side of the upper side of the support frame 100.

The driving unit 300 includes a driving shaft 310 rotatably supported by a bearing and a cutting unit connecting part 311 at a lower end of the driving shaft 310.

FIG. 4 is a bottom view of a drive unit drive shaft of the automatic cutter according to the present invention.

A fastening hole 312 is formed at the bottom center of the cutting unit connection part 311 and a fastening pin insertion hole 313 is formed at the lower end of the cutting unit connection part 311.

The cutting unit 400 is connected to the driving shaft 310 of the driving unit 300 so as to cut a long length of fiber into a short width in the course of rotation.

FIG. 5 is a longitudinal sectional view of a cutting unit of a textile automatic cutter according to a preferred embodiment of the present invention, and FIG. 6 is an exploded longitudinal sectional view of a cutting unit of a textile automatic cutter according to the present preferred embodiment.

The cutting unit 400 includes a drive shaft connection block 410, an upper cutter support plate 420, a lower cutter support plate 430, an upper guide plate 440, a connection plate 450, a lower guide plate 460, 470, and a cutter 480.

The driving shaft connecting block 410 has a tubular shape in which an insertion hole 411 to be inserted into the cutting unit connecting portion 311 of the driving unit driving shaft 310 is provided.

7 is a plan view of a drive shaft connecting block of a cutting unit of the automatic cutter of a textile according to the preferred embodiment of the present invention.

A plurality of fastening bolt through holes 412 are radially formed at the upper end of the driving shaft connecting block 410 and a fixing pin 413 inserted into the fixing pin insertion hole 313 of the driving unit driving shaft 310 Is protruded.

The upper cutter support plate 420 supports the upper end of the cutter 480 and is fixed to the lower end of the drive shaft connection block 410.

8 is a plan view of the upper cutter support plate of the cutting unit of the automatic cutter of the fiber according to the preferred embodiment of the present invention.

The upper cutter support plate 420 is in the form of a disc. A drive shaft fastening hole 421 is formed at the center and a plurality of drive shaft connection block fastening holes 422 are formed radially around the drive shaft fastening hole 421.

A plurality of fastener holder through holes 423 are radially formed on the outer periphery of the upper cutter support plate 420 and a cutter slit 424 is formed between the outer side and the outer peripheral surface of each fastener holder through hole 423 in the center direction do.

The lower cutter support plate 430 supports the lower end of the cutter 480 and is fixed to the lower portion of the upper cutter support plate 420 through a plurality of fastening holders 470.

9 is a plan view of a cutting cutter supporting plate of a cutting unit of a textile automatic cutter according to the preferred embodiment of the present invention.

The lower cutter supporting plate 430 has a ring shape having the same outer diameter as that of the upper cutter supporting plate 420 and provided with a drop hole 431 for dropping the fibers cut at a short width in the center.

A plurality of fastener holder through holes 433 are radially formed in the outer periphery of the lower cutter support plate 430 and a cutter slit 434 is formed between the outer side and the outer circumferential surface of each fastener holder through hole 433 in the center direction do.

The upper guide plate 440 guides the upper end of the fiber to be cut and is inserted into the outer periphery of the upper cutter support plate 420 and connected to the upper cutter support plate 420 through the connection plate 450.

10 is a plan view of the upper guide plate of the cutting unit of the automatic textile cutter according to the present preferred embodiment.

The upper guide plate 440 has a ring shape with an insertion hole 441 inserted into the upper cutter support plate 420 at the center thereof.

A plurality of fastening holes 442 are radially formed on the outside of the insertion hole 441 of the upper guide plate 440.

The connection plate 450 connects the upper guide plate 440 and the upper cutter support plate 430 inserted into the upper guide plate 440 and is installed at the upper portion of the insertion portion of the upper guide plate 440 and the upper cutter support plate 430 do.

11 is a plan view of a cutting unit connecting plate of an automatic cutter for a textile according to the preferred embodiment of the present invention.

The connection plate 450 is in the form of a ring divided into a plurality of parts.

A plurality of fastening holder through holes 453 corresponding to the fastening holder through holes 423 of the upper cutter support plate 420 are radially formed on the inner circumference of the connection plate 450, A plurality of fastening bolt through holes 452 corresponding to the fastening holes 442 of the plate 440 are radially formed.

The lower guide plate 460 is provided at the lower end of the lower cutter supporting plate 430 to guide the upper end of the fiber to be cut.

12 is a plan view of the lower guide plate of the cutting unit of the automatic cutter of a textile according to the preferred embodiment of the present invention.

The lower guide plate 460 has a ring shape in which a drop hole 461 for dropping a fiber having a short width at the center is provided and a lower cutter supporting plate support step 462 is provided at an upper portion of the lower guide plate 460.

A plurality of fastener holder through holes 463 corresponding to the fastener holder through holes 433 of the lower cutter support plate 430 are radially formed on the outer circumference of the drop hole 461 of the lower guide plate 460.

The fastening holder 470 can be formed such that the gap between the upper cutter support plate 420 and the lower cutter support plate 430 and the gap between the upper guide plate 440 and the lower guide plate 460 are spaced apart from each other by a predetermined distance, Thereby stably supporting the central portion of the base 480.

The clamping holder 470 is installed between the upper cutter support plate 420 and the lower cutter support plate 430 and includes a connection plate 450, an upper cutter support plate 420, a lower cutter support plate 430, a lower guide plate 460 ).

Fig. 13 is a front view of a cutting unit fastening holder of the automatic cutter according to the present invention, Fig. 14 is a plan view of a cutting unit fastening holder of the automatic cutter of the present invention, and Fig. Fig. 3 is a side view of a cutting unit fastening holder of a textile automatic cutter according to the present invention.

The fastening holder 470 has a shaft shape in which fastening portions 472 are provided at the upper and lower ends of the cutter supporting portion 471.

A cutter insertion groove 473 is formed at one side of the cutter supporting portion 471 of the fastening holder 470 and a cutout portion 474 is formed at both outer sides of the cutter fitting groove 473. [

The cut-off portion 474 is for minimizing the interference of the fibers passing between the fastening holders 470 by the fastening holder 470.

The cutter 480 has a rectangular shape for cutting the fibers and has one end connected to the cutter fitting slit 424 of the upper cutter supporting plate 420 and the cutter fitting groove 473 of the fastening holder 470 and the lower cutter supporting plate 430 Is inserted into the cutter fitting slit 434.

The support roller 500 supports the one side of the fiber that is inserted into the cutter 480 and is inserted between the upper guide plate 440 and the lower guide plate 460 and is supported by the cutter 480 Spaced apart.

A method of assembling each part of the cutting unit 400 of the automatic cutter P according to the preferred embodiment of the present invention is as follows.

First, the lower cutter support plate 430 is inserted into the upper portion of the lower guide plate 460.

The center of the fastener holder through hole 463 of the lower guide plate 460 and the fastener holder through hole 433 of the lower cutter support plate 430 are aligned with each other.

The lower fastening portion 472 of the fastening holder 470 is inserted into the fastening holder through hole 433 of the lower cutter supporting plate 430 and the fastening holder through hole 463 of the lower guide plate 460. Then,

At this time, the cutter fitting groove 473 of the fastening holder 470 is aligned with the cutter fitting slit 434 of the lower cutter supporting plate 430.

The lower guide plate 460 and the lower cutter support plate 430 are fixed by fastening the fastening nut 801 to the lower fastening portion 472 of the fastening holder 470 projected to the lower end of the lower guide plate 460 .

Next, the fastener holder through hole 433 of the upper cutter supporting plate 420 is inserted into the upper fastening portion 472 of the fastening holder 470.

Next, the cutter 480 is inserted into the cutter fitting slit 424 of the upper cutter supporting plate 420, the cutter fitting groove 473 of the fastening holder 470, and the cutter supporting slit 434 of the lower cutter supporting plate 430 .

Next, the upper guide plate 440 is inserted into the outer periphery of the upper cutter support plate 420.

Next, the fastening holder through hole 453 of the connecting plate 450 is inserted into the upper fastening portion 472 of the fastening holder 470, and the upper fastening portion 470 of the fastening holder 470 protruding to the upper end of the connecting plate 450 The upper cutter supporting plate 420 and the connecting plate 450 are fixed to the upper portion of the fastening holder 470 by fastening the fastening nut 801 to the fastening portion 472.

The lower end of the connecting plate 450 is inserted through the upper guide plate fastening bolts 802 which are inserted into the fastening holes 442 of the upper guide plate 440 through the fastening bolt through holes 452 of the connecting plate 450 The upper guide plate 440 is fixed.

 Next, the fixed shaft connection block 410 is placed on the upper end of the upper cutter support plate 420 and the drive shaft connection block 410 of the upper cutter support plate 420 passes through the fastening bolt through hole 412 of the drive shaft connection block 410 The fixed shaft connecting block 410 is fixed to the upper end of the upper cutter supporting plate 420 through a drive shaft connecting block fastening bolt 803 fastened to the hole 422. [

A method of coupling the assembled cutting unit 400 to the drive shaft 310 of the drive unit 300 is as follows.

First, the insertion hole 411 of the fixed shaft connecting block 410 is inserted into the cutting unit connecting portion 311 of the driving unit driving shaft 310.

At this time, the fixing pin 413 of the fixed shaft connecting block 410 is inserted into the fixing pin insertion hole 313 formed at the lower end of the cutting unit connection part 311.

A drive shaft fastening bolt 804 fastened to the drive shaft fastening hole 421 at the center of the upper cutter support plate 420 at the lower portion of the upper cutter support plate 420 and fastened to the fastening hole 312 at the lower center of the drive shaft 310 The upper cutter supporting plate 420 is fixed to the driving unit fixing shaft 310. [

When the rotary motor 200 is operated, the driving force of the rotary motor 200 is transmitted to the cutting unit 400 through the driving unit 300, and the cutting unit 400 400 are rotated.

At this time, if a long length of fibers is supplied between the cutter 480 and the support roller 500 radially installed between the upper cutter support plate 420 and the lower cutter support plate 430 of the cutting unit 400, the cutter 480 They are successively cut in a short width.

The fibers are of a width of a distance between the pair of cutters 480. The fibers cut in a short width are moved in the direction of the center of the lower cutter supporting plate 430 through the space between the cutters 480, Falls down through the drop hole 431 in the center of the support plate 430 and the drop hole 461 in the lower guide plate 460.

The fiber cutting operation of the automatic fiber cutter 100 according to the preferred embodiment of the present invention is substantially the same as that of a conventional automatic cutter.

However, in the automatic cutter 100 according to the preferred embodiment of the present invention, the upper end of one side of the cutter 480 is inserted into and supported by the cutter fitting slit 424 of the upper cutter supporting plate 420, Is inserted and supported in the cutter fitting slit 434 in the lower cutter supporting plate 430 and inserted into and supported by the cutter fitting groove 473 of the one central fastening holder 470 of the cutter 480, The cutter 480 can be more stably cut so that the cutting quality can be greatly improved and the possibility of breakage of the cutter 480 is reduced so that the life of the cutter 480 can be greatly extended .

In addition, the automatic cutting machine 100 according to the preferred embodiment of the present invention is very easy to fix or separate the cutting unit 400 to the driving unit driving shaft 310. [

That is, when the cutting unit 400 is fixed to the driving unit driving shaft 310, in the process of inserting the insertion hole 411 of the fixed shaft connecting block 410 into the cutting unit connecting portion 311 of the driving unit driving shaft 310 The fixing pin 413 of the fixing shaft connecting block 410 is inserted into the fixing pin insertion hole 313 formed at the lower end of the cutting unit connection portion 311 and then the driving shaft fixing hole 421 of the upper cutter supporting plate 420 is inserted into the fixing pin insertion hole 313, It is possible to easily fix the cutting unit 400 to the driving unit fixing shaft 310 when only one driving shaft fixing bolt 804 is fastened to the fastening hole 312 at the center of the lower end of the driving shaft 310 through the fastening hole 312.

In addition, when one drive shaft fastening bolt 804 is loosened, the cutting unit 400 can be easily separated from the drive unit fixing shaft 310.

The automatic cutter 100 according to the preferred embodiment of the present invention lifts the cutter 480 upward when the connecting plate 450 is separated from the upper cutter support plate 420 and the upper guide plate 440, The cutter insertion slit 424 of the fastener holder 420, the cutter fitting groove 473 of the fastening holder 470 and the cutter fitting slit 434 of the lower cutter supporting plate 430, The cutting insert slit 424 of the cutter supporting plate 420 can be inserted into the cutter fitting groove 473 of the fastening holder 470 and the cutter fitting slit 434 of the lower cutter supporting plate 430, So that replacement can be facilitated.

In addition, since the connecting plate 450 is divided into a plurality of pieces in the automatic cutter 100 according to the preferred embodiment of the present invention, when the damaged cutter is replaced, the damaged cutter 480 is not required to remove the entire connecting plate 450, The damaged cutter 480 can be replaced by removing only a part of the connecting plate 450 provided on the upper portion of the connecting plate 450. [

Although the present invention has been described in detail with reference to the above embodiments, it is needless to say that the present invention is not limited to the above-described embodiments, and various modifications may be made without departing from the spirit of the present invention.

P: Automatic cutter for textile
100: Support frame
200: Rotary motor
300: drive unit
400: cutting unit
410: drive shaft connecting block
420: upper cutter supporting plate
430: Lower cutter supporting plate
440: upper guide plate
450: connecting plate
460: Lower guide plate
470: fastening holder
480: Cutter
500: Support roller

Claims (6)

A support frame (100) for supporting the rotation motor (200) and the drive unit (300);
A rotation motor 200 installed on one side of the upper portion of the support frame 100 to rotate the drive shaft 310 of the drive unit 300 and the cutting unit 400 connected thereto;
A drive unit 300 installed on the upper side of the support frame 100 to rotate the cutting unit 400;
The long length of the fibers is cut into a short width through a plurality of cutters 480 which are connected to the drive shaft 310 of the drive unit 300 and installed radially between the pair of cutter supporting plates 420 and 430 A cutting unit 400;
And a support roller (500) installed at one side of the cutting unit (400) to support the fibers,
In the cutting unit 400,
A drive shaft connection block 410 connected to the drive shaft 310 of the drive unit 300;
An upper cutter support plate 420 installed at a lower end of the drive shaft connection block 410 and supporting an upper portion of one side of the cutter 480;
A lower cutter support plate 430 installed at a lower portion of the upper cutter support plate 420 to support a lower side of the cutter 480;
An upper guide plate 440 installed on the outer periphery of the upper cutter support plate 420 to support the upper end of the fiber to be cut;
A connection plate 450 installed on the upper cutter support plate 420 to connect the upper cutter support plate 420 and the upper guide plate 440;
A lower guide plate 460 installed on the outer periphery of the lower cutter supporting plate 430 to support a lower end of the fiber to be cut;
A plurality of fastening holders 470 that support the upper cutter support plate 420 and the lower cutter support plate 430 and support the center of one side of the cutter 480;
And a plurality of cutters 480 radially installed between the upper cutter support plate 420 and the lower cutter support plate 430,
The cutting unit connecting portion 311 is provided at the lower end of the drive shaft 310 of the driving unit 300 and the fastening hole 312 is formed at the lower end center of the cutting unit connecting portion 311. The lower end of the cutting unit connecting portion 311 A fixing pin insertion hole 313 is formed in one side,
An insertion hole 411 inserted into the cutting unit connection portion 311 of the drive unit drive shaft 310 is provided in the drive shaft connection block 410 and a drive unit drive shaft 310 is connected to one side of the upper end of the drive shaft connection block 410, A fixing pin 413 inserted into and engaged with the fixing pin insertion hole 313 of the fixing pin insertion hole 313 is protruded,
And a driving shaft fastening hole (421) is formed in the center of the upper cutter supporting plate (420). delete delete The method according to claim 1,
A plurality of fastening holder through holes 423 and 433 are radially formed on the outer periphery of the upper cutter supporting plate 420 and the outer periphery of the lower cutter supporting plate 430 and the fastening holder through holes 423 and 433 are formed radially, Cutter slit (424) is formed in the center of the cutter-fitted slit (424). The method according to claim 1,
A plurality of fastening holes 442 are formed on the outer side of the insertion holes 441 of the upper guide plate 440 so as to be inserted into the upper cutter supporting plate 420 at the center of the upper guide plate 440 Formed radially,
A plurality of fastening holder through holes 453 are radially formed on the inner circumference of the connecting plate 450 and a plurality of fastening holder through holes 453 are formed radially on the inner circumference of the connecting plate 450, Wherein a plurality of fastening bolt through holes (452) corresponding to the fastening holes (442) of the plate (440) are formed radially. The method according to claim 1,
The fastening holder 470 has a shaft shape having a fastening portion 472 at the upper and lower ends of the cutter supporting portion 471. A cutter insertion groove 473 is formed at one side of the cutter supporting portion 471,
Wherein cutouts (474) are formed on both sides of the cutter fitting groove (473) of the clamping holder (470).
KR1020170027087A 2017-03-02 2017-03-02 Automatic fiber cutting machine KR101873314B1 (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110790503A (en) * 2019-10-28 2020-02-14 淮南北新建材有限公司 High-precision fiber chopping device
CN110860978A (en) * 2019-10-30 2020-03-06 江西麦帝施科技有限公司 Medical optical fiber end peeling and polishing machine
KR102241305B1 (en) * 2019-11-08 2021-04-16 서우첨단소재 주식회사 Device for cutting fiber
KR20230053360A (en) * 2021-10-14 2023-04-21 주식회사 에스투제이코리아 Manufacture Method of Knit with Rectangular Reticulation Structure

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US4120222A (en) 1977-09-16 1978-10-17 E. I. Du Pont De Nemours And Company Staple length cutter with low noise level jet to assist in doffing cut staple

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US4120222A (en) 1977-09-16 1978-10-17 E. I. Du Pont De Nemours And Company Staple length cutter with low noise level jet to assist in doffing cut staple

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110790503A (en) * 2019-10-28 2020-02-14 淮南北新建材有限公司 High-precision fiber chopping device
CN110860978A (en) * 2019-10-30 2020-03-06 江西麦帝施科技有限公司 Medical optical fiber end peeling and polishing machine
CN110860978B (en) * 2019-10-30 2020-11-06 江西麦帝施科技有限公司 Medical optical fiber end peeling and polishing machine
KR102241305B1 (en) * 2019-11-08 2021-04-16 서우첨단소재 주식회사 Device for cutting fiber
KR20230053360A (en) * 2021-10-14 2023-04-21 주식회사 에스투제이코리아 Manufacture Method of Knit with Rectangular Reticulation Structure
KR102587354B1 (en) 2021-10-14 2023-10-12 주식회사 에스투제이코리아 Manufacture Method of Knit with Rectangular Reticulation Structure

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