Processing device for artificial hair and method for manufacturing fiber bundle for artificial hair

Abstract

The invention provides a processing device for artificial hair capable of processing fiber bundles into integral hair tips and a method for manufacturing fiber bundles for artificial hair having integral hair tips. The present invention is provided with: a fiber bundle supply unit for supplying a fiber bundle; a flattening processing unit for expanding the fiber bundle supplied from the fiber bundle supply unit in a band shape to form a flattened fiber bundle; a transport unit that transports the flat fiber bundle; and a cutting part for cutting the flat fiber bundle conveyed by the conveying part. The cutting portion has a blade member including a first blade portion extending obliquely as a whole with respect to the conveying direction, a second blade portion extending obliquely as a whole with respect to the extending direction of the first blade portion and forming an angle of more than 0 degree and less than 180 degrees with the first blade portion, and a first connecting portion connecting the first blade portion and the second blade portion. A first connecting portion that connects an end portion of the first blade portion in the extension direction and an end portion of the second blade portion in the extension direction; the flattening portion expands the fiber bundle so that the fiber bundle overlaps across the first blade portion and the second blade portion in plan view, and is narrower than the length of the blade member in the width direction.

Description

Technical Field

[0001] The present invention relates to an artificial hair processing device and a method for producing an artificial hair fiber bundle. Background Art

[0002] Conventionally, artificial hair fiber bundles imitating human hair have been used as raw materials for head ornaments such as wigs, wigs, hair extensions, braids, and headbands (for example, Patent Document 1).

[0003] Prior art literature

[0004] Patent Literature

[0005] Patent Document 1: Japanese Patent Application Publication No. 2002-275719 Summary of the invention

[0006] Problems to be solved by the invention

[0007] By the way, regarding headwear for women, for those with straight hair, there is a tendency to prefer styles with lighter ends and a sense of unity at the ends.

[0008] Therefore, in the hair for headgear of Patent Document 1, four types of hair of different lengths are tied into a bundle by aligning one end of the root side, simply mixing them, and then repeatedly performing a so-called combing operation in which the front end side is inserted into the combing needles (convex parts) of the comb row from the upper side and pulled out from the side, thereby misaligning the front ends and making the hair ends lighter.

[0009] However, in the hair for headpiece of Patent Document 1, if the longest hair is 1, there are four types of hair, namely, hair of 1 / 4 length, hair of 2 / 4 length, hair of 3 / 4 length and hair of 1 length, and the lengths of the hair are greatly different. Therefore, if the combing action is not performed many times, the front end becomes stepped, and there is a problem that the fiber bundle cannot be made into a hair tip with integrity. That is, in the processing method of the hair for headpiece of Patent Document 1, there is a problem that the time for performing the combing action becomes long and it is difficult to obtain natural integrity.

[0010] Therefore, an object of the present invention is to provide an artificial hair processing device capable of processing a fiber bundle into an integrated hair tip and a method for producing a fiber bundle for artificial hair having an integrated hair tip.

[0011] Means used to solve problems

[0012] A technical solution of the present invention for solving the above-mentioned problems is an artificial hair processing device, comprising: a fiber bundle supplying section for supplying a fiber bundle; a flattening section for expanding the fiber bundle supplied from the fiber bundle supplying section in a belt shape to form a flat fiber bundle; a conveying section for conveying the flat fiber bundle; and a cutting section for cutting the flat fiber bundle conveyed by the conveying section; the cutting section comprises a blade member including a first blade, a second blade, and a first connecting section; the first blade extends as a whole obliquely relative to a conveying direction in a plan view; the second blade extends as a whole obliquely relative to an extending direction of the first blade in a plan view, and an angle formed with the first blade exceeds 0 degrees and is less than 180 degrees; the first connecting section connects an end of the first blade in an extending direction with an end of the second blade in an extending direction in a width direction; the flattening section expands the fiber bundle so that the fiber bundle overlaps the first blade and the second blade in a plan view and is narrower than a length of the blade member in the width direction.

[0013] The term "inclined as a whole" as used herein refers to inclination when viewed macroscopically, and also includes the case where there are parts that are not inclined when viewed microscopically. For example, when viewed from above, the first blade portion extends inclination as a whole, including the case where Fig.12 In this case, when the reference straight line L1 is drawn toward the first blade portion, the maximum distance from the first blade portion relative to the reference straight line L1 is within 5 mm.

[0014] According to the present invention, since a fiber bundle having a continuously changing hair tip can be formed, an artificial hair fiber bundle having an integrated hair tip can be formed.

[0015] In a preferred embodiment, the flattening portion expands the fiber bundle to be wider than a distance between an end portion of the first blade portion in an extending direction and an end portion of the second blade portion in an extending direction in a width direction.

[0016] In a preferred embodiment, the second blade portion extends obliquely with respect to the conveying direction in a plan view.

[0017] A preferred technical solution is that the blade component has a third blade portion and a second connecting portion; the third blade portion extends obliquely relative to the conveying direction when viewed from above, and the angle formed with the second blade portion is greater than 0 degrees and less than 180 degrees; the second connecting portion connects the end of the extension direction of the second blade portion with the end of the extension direction of the third blade portion in the width direction; the conveying portion conveys the flat fiber bundle in a manner that the first blade portion, the second blade portion and the third blade portion overlap when viewed from above.

[0018] A preferred technical solution is that the blade component has n multiple blade portions and (n-1) connecting portions, the n blade portions are connected by the (n-1) connecting portions and extend in the width direction; the n blade portions include the first blade portion, the second blade portion and the third blade portion; the (n-1) connecting portions include the first connecting portion and the second connecting portion; the n is an integer greater than 4.

[0019] In a preferred embodiment, the cutting section presses at least the first blade section and the second blade section against the flat fiber bundle to cut the flat fiber bundle.

[0020] In a preferred embodiment, the cutting section includes a blade receiving member that receives the blade member, and the flat fiber bundle is cut by sandwiching the flat fiber bundle between the blade member and the blade receiving member.

[0021] In a preferred embodiment, the cutting section has a side surface of the blade member exposed to the outside; and in the cutting section, only the blade member comes into contact with the flat fiber bundle to cut the flat fiber bundle.

[0022] A preferred technical solution is that the cutting section has a position adjustment mechanism for adjusting the position of the blade component in the width direction; the cutting section cuts the flat fiber bundle multiple times at intervals in the conveying direction, and cuts by offsetting the position of the blade component in the width direction relative to the immediately previous cutting position.

[0023] A preferred technical solution is that the conveying section has a delivery roller for delivering the conveying sheet and a winding roller for winding up the conveying sheet delivered from the delivery roller; the conveying section places the flat fiber bundle on the conveying sheet, and conveys the flat fiber bundle by moving the conveying sheet from the delivery roller to the winding roller.

[0024] A technical solution of the present invention is a method for manufacturing a fiber bundle for artificial hair, which is a method for manufacturing a fiber bundle for artificial hair using a conveying section and a blade member, wherein the blade member has a first blade portion and a second blade portion extending in a manner inclined relative to a conveying direction of the conveying section and intersecting with each other, and in a width direction, an end portion of the first blade portion in the extending direction and an end portion of the second blade portion in the extending direction are connected by a first connecting portion; the method comprises: a flattening step of expanding the fiber bundle into a strip shape to form a flat fiber bundle; and a cutting step of cutting the flat fiber bundle by the blade member while the flat fiber bundle is conveyed by the conveying section; in the flattening step, the fiber bundle is expanded so as to span the first blade portion and the second blade portion and be narrower than the length of the blade member in the width direction.

[0025] According to the present invention, it is possible to form a fiber bundle having a continuously changing hair end, and to form a fiber bundle for artificial hair having an integrated hair end.

[0026] A preferred technical solution is to use a combing component having a plurality of convex portions; and further comprising a combing step; in the above-mentioned cutting step, the above-mentioned flat fiber bundle is cut at intervals in the conveying direction to form a cut fiber bundle having cut marks obtained by the above-mentioned blade component formed at both ends in the conveying direction; in the above-mentioned combing step, the middle portion of the above-mentioned cut fiber bundle in the longitudinal direction is held and bundled, and the end side of the above-mentioned cut fiber bundle is made to contact the above-mentioned plurality of convex portions for combing.

[0027] The "middle portion in the longitudinal direction" mentioned here refers to the portion between the end portions in the longitudinal direction, and is the portion other than the end portions in the longitudinal direction.

[0028] Effects of the Invention

[0029] According to the artificial hair processing device of the present invention, it is possible to process a fiber bundle into an integrated hair tip.

[0030] According to the method for producing a fiber bundle for artificial hair of the present invention, it is possible to produce a fiber bundle for artificial hair having hair tips having integrity. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a side view schematically showing the artificial hair processing device according to the first embodiment of the present invention.

[0032] Figure 2 yes Figure 1 A three-dimensional view of an artificial hair processing device.

[0033] Figure 3 Yes Figure 1 The flat processing part of the artificial hair processing device is Figure 1 Stereoscopic images viewed from different directions.

[0034] Figure 4 Yes Figure 1 A perspective view showing the periphery of a blade member of a cutting portion of an artificial hair processing device as viewed from below.

[0035] Figure 5 yes Figure 1 The explanatory diagram of the cutting portion of the artificial hair processing device is a plan view showing the relationship between the blade member and the blade receiving member.

[0036] Figure 6 is Figure 1 A top view of a cut fiber bundle after being processed by an artificial hair processing device.

[0037] Figure 7 Yes means Figure 1 An explanatory diagram of the positional relationship between the cutting section and the flat fiber bundle in the artificial hair processing device, Figure 7 (a) is a top view when the downstream end is cut off. Figure 7 (b) is a top view when the upstream end is cut off.

[0038] Figure 8 It is a perspective view of the combing member according to the first embodiment of the present invention.

[0039] Fig. 9 This is a plan view of a case where three flat fiber bundles are cut simultaneously using the artificial hair processing device according to another embodiment of the present invention.

[0040] Fig.10 1 is an explanatory diagram of a blade member according to another embodiment of the present invention. Fig.10 (a) is a top view of an example of a blade member according to another embodiment. Fig.10 (b) is related to Fig.10 (a) Top view of different examples.

[0041] Fig.11 1 is an explanatory diagram of a blade member according to another embodiment of the present invention. Fig.11 (a) is a top view of an example of a blade member according to another embodiment. Fig.11 (b) is related to Fig.11 (a) Top view of different examples.

[0042] Fig.12 This is an explanatory diagram of an example of the first blade portion that corresponds to the “inclination as a whole” of the present invention. DETAILED DESCRIPTION

[0043] Hereinafter, embodiments of the present invention will be described in detail.

[0044] The method for producing a fiber bundle for artificial hair according to the first embodiment of the present invention comprises: a processing step of cutting a pre-processed fiber bundle 100 in which a plurality of artificial hair fibers are bundled using an artificial hair processing device 1 to form a cut fiber bundle 102; and a combing step of combing the cut fiber bundle 102 to form an artificial hair fiber bundle.

[0045] Furthermore, the method for producing the fiber bundle for artificial hair of the first embodiment has one of the main features regarding the artificial hair processing device 1 used in the processing step.

[0046] Artificial hair processing device 1 Figure 1 , Figure 2 In this way, the fiber bundle 100 before processing is cut and processed into the cut fiber bundle 102.

[0047] Artificial hair processing device 1 Figure 1 Thus, the fiber bundle supplying section 2, the operation frame section 3, the conveying section 5, the flattening section 6, the cutting section 7 and the fiber bundle collecting section 8 are provided.

[0048] (Fiber bundle supply unit 2)

[0049] The fiber bundle supplying section 2 is a section that supplies the unprocessed fiber bundle 100 , and can supply the unprocessed fiber bundle 100 toward the flattening section 6 .

[0050] (Working frame part 3)

[0051] Operation frame part 3 Figure 1 , Figure 2 Thus, the support frame 11 standing upright on the ground and the top side frame 12 connecting the tops of the support frame 11 and 11 are provided, and a work space 15 surrounded by the support frame 11 and the top side frame 12 is formed.

[0052] The work space 15 is a space that an operator can enter and exit, and the operator can enter to perform maintenance or adjustment work such as removing entanglement of the fiber bundle.

[0053] (Conveying unit 5)

[0054] The conveying section 5 is a portion that conveys the unprocessed fiber bundle 100 to the fiber bundle collecting section 8 via the flattening section 6 and the cutting section 7 , and is roughly divided into a roller-type conveying section 20 and a sheet-type conveying section 21 .

[0055] The roller conveyor 20 is as follows Figure 1 , Figure 2 Thus, it is composed of guide rollers 30 to 32, limiting guides 35 to 37 and an introduction guide 38, and is a part that conveys the unprocessed fiber bundle 100 supplied from the fiber bundle supplying section 2 by the guide rollers 30 to 32 to pass through the flattening processing section 6.

[0056] The guide rollers 30 and 31 are fixed to the top frame portion 12 of the work frame portion 3 , and are rollers that guide the unprocessed fiber bundle 100 to pass through the upper side of the work space 15 .

[0057] The first guide roller 30 guides the unprocessed fiber bundle 100 supplied from the fiber bundle supplying unit 2 so as to pass through the outside of the working space 15 .

[0058] The second guide roller 31 guides the unprocessed fiber bundle 100 that has passed through the first limiting guide portion 35 so as to pass from the outside of the working space 15 to the inside of the working space 15 .

[0059] The first restriction guide 35 is provided between the first guide roller 30 and the second guide roller 31 in the feeding direction, and is a restriction portion for restricting the unprocessed fiber bundle 100 that has passed through the first guide roller 30 so as not to expand in the width direction.

[0060] The first restriction guide 35 of this embodiment is as follows Figure 2 The U-shaped rod-shaped body is composed of two rod wall portions extending vertically and a connecting rod portion connecting the lower ends of the rod wall portions.

[0061] The first restriction guide 35 of the present embodiment allows the unprocessed fiber bundle 100 to pass between the two rod wall portions, thereby restricting the unprocessed fiber bundle 100 from expanding in the width direction.

[0062] The third guide roller 32 is a feed roller that feeds the unprocessed fiber bundle 100 fed into the working space 15 by the second guide roller 31 toward the flattening section 6 outside the working space 15 .

[0063] The second restriction guide portions 36 and 37 are restriction portions that restrict the unprocessed fiber bundle 100 that has passed through the third guide roller 32 so as not to expand in the width direction.

[0064] The second restricting guides 36 and 37 are provided downstream of the third guide roller 32 and upstream of the flattening section 6 in the conveying direction, and gather the unprocessed fiber bundle 100 toward the flattening section 6 so as to be restricted within a predetermined width.

[0065] The second limiting guides 36 and 37 of this embodiment are similar to the first limiting guide 35. Figure 2 The U-shaped rod-shaped body is composed of two rod wall portions extending vertically and a connecting rod portion connecting the lower ends of the rod wall portions.

[0066] The second restriction guides 36 and 37 of the present embodiment can restrict the fiber bundle 100 before processing from expanding to a predetermined width or more in the width direction by passing the fiber bundle 100 before processing between the two rod wall portions.

[0067] The first introduction guide section 38 is arranged on the downstream side of the flattening processing section 6 in the conveying direction. It is a guide section that limits the movement of the pre-processed fiber bundle 100 (hereinafter also referred to as the flat fiber bundle 101) that is flattened by the flattening processing section 6 in the thickness direction and the width direction, and guides the flat fiber bundle 101 to the sheet conveying section 21.

[0068] The sheet conveying unit 21 is as follows Figure 1 , Figure 2 Thus, the unwinding roller 50 (delivery roller), the winding roller 51 , the guide rollers 52 to 55 , the conveying sheet 56 , and the second introduction guide 57 are provided.

[0069] The sheet conveying section 21 places the flat fiber bundle 101 processed into a flat shape by the flattening section 6 on the conveying sheet 56, and winds up the conveying sheet 56 fed from the unwinding roller 50 with the winding roller 51. In this way, the sheet conveying section 21 moves the conveying sheet 56 from the unwinding roller 50 to the winding roller 51, and can convey the flat fiber bundle 101 so that it passes through the cutting section 7.

[0070] The unwinding roller 50 is a feed roller that winds up the conveying sheet 56 in the initial state and feeds the conveying sheet 56 toward the winding roller 51 side.

[0071] The take-up roller 51 is a portion that takes up the transport sheet 56 fed out from the unwinding roller 50 .

[0072] The unwinding roller 50 and the winding roller 51 are driving rollers at least one of which has a power source and can rotate by the power source.

[0073] The guide rollers 52 to 55 are support rollers for supporting the conveying sheet 56 so that the conveying sheet 56 passes through the cutting section 7 in a horizontal posture.

[0074] The guide rollers 52 to 54 are located upstream of the cutting section 7 in the conveying direction and are provided corresponding to the falling position of the flat fiber bundle 101 from the roller conveying section 20 , and can support the flat fiber bundle 101 falling from the roller conveying section 20 .

[0075] The guide roller 55 is located downstream of the cutting unit 7 in the conveying direction, and is disposed at a position higher than the winding roller 51 .

[0076] The conveying sheet 56 is a supporting sheet that places the flat fiber bundle 101 thereon and supports it from the lower side.

[0077] The material and thickness of the conveying sheet 56 are not particularly limited as long as they are an amount not to be cut by the cutting section 7 , and can be appropriately designed.

[0078] The transport sheet 56 preferably has a thickness of 185 μm or more and 360 μm or less in accordance with JIS C2151:2019.

[0079] From the viewpoint of facilitating recovery by the fiber bundle recovery unit 8 , the transport sheet 56 is preferably made of a material that does not easily generate static electricity between the flat fiber bundle 101 and the cut fiber bundle 102 .

[0080] The conveying sheet 56 is made of a material that prevents the flat fiber bundle 101 and the cut fiber bundle 102 from slipping.

[0081] The transport sheet 56 preferably has a dynamic friction coefficient of 0.10 or more and 0.40 or less in accordance with ASTM D 1894-63, for example.

[0082] The second introduction guide 57 is provided on the downstream side of the winding roller 51 in the feeding direction, and is a guide that guides the cut fiber bundle 102 dropped from the winding roller 51 to be accommodated in the fiber bundle collecting section 8 .

[0083] (Flattening Processing Unit 6)

[0084] Flat processing part 6 Figure 3 The pressing roller 70 and the support rollers 71 and 72 are provided in this way, and the pre-processed fiber bundle 100 is pressed toward the support rollers 71 and 72 by the pressing roller 70 to flatten the pre-processed fiber bundle 100 to form the flat fiber bundle 101.

[0085] The pressing roller 70 has a driving source, is a roller capable of rising and falling and rotating, and can approach and separate from the support rollers 71 and 72 in the up-down direction.

[0086] The pressing roller 70 is located between the support rollers 71 and 72 in the conveying direction and is urged toward the gap between the support rollers 71 and 72 by an urging mechanism (not shown) to push the unprocessed fiber bundle 100 into the gap between the support rollers 71 and 72 to flatten it.

[0087] The support rolls 71 and 72 are rolls that support the unprocessed fiber bundle 100 from the lower side.

[0088] That is, the flattening section 6 rotates the pressing roller 70 while the pre-processing fiber bundle 100 supported by the support rollers 71 and 72 is pressed from above by the pressing roller 70. By doing so, the flattening section 6 can transform the pre-processing fiber bundle 100 into the flat fiber bundle 101 and convey the flat fiber bundle 101 to the downstream side.

[0089] (Cutting section 7)

[0090] Cutting portion 7 Figure 1 , Figure 2 That is the portion where the flat fiber bundle 101 is cut by the press working.

[0091] The cutting unit 7 includes a blade member 80 , a blade receiving member 81 , and a position adjustment mechanism 82 . By operating the position adjustment mechanism 82 , the relative position of the blade member 80 with respect to the blade receiving member 81 can be adjusted.

[0092] The blade member 80 is as follows Figure 5 Thus, the Thomson blade includes n blade portions 90 and (n-1) connecting portions 91 connecting the adjacent blade portions 90 and 90, and extends in a sawtooth shape.

[0093] In addition, n is a natural number of 2 or more, and is preferably an integer of 4 or more.

[0094] The blade member 80 of this embodiment is as follows Figure 5 Thus, n is 10, and there are four upstream mountain portions 96 on the upstream side and five downstream mountain portions 97 on the downstream side in a plan view.

[0095] The blade component 80 includes a forward blade portion 92 (a first blade portion, a second blade portion, and a third blade portion), a return blade portion 93 (a first blade portion, a second blade portion, and a third blade portion), an upstream connecting portion 94 (a first connecting portion, a second connecting portion), and a downstream connecting portion 95 (a first connecting portion, a second connecting portion).

[0096] The leading blade portion 92 is a blade portion that extends obliquely as a whole with respect to the conveying direction T in a plan view and extends in the conveying direction T from the upstream side toward the downstream side.

[0097] exist Figure 5 The inclination angle θ1 of the leading blade portion 92 shown in the enlarged view of FIG. 1 relative to the conveying direction T is preferably greater than 0 degrees, and more preferably greater than 2 degrees.

[0098] The inclination angle θ1 is preferably 90 degrees or less, more preferably 30 degrees or less, and even more preferably 15 degrees or less.

[0099] The return blade 93 is a blade that extends from the downstream side toward the upstream side in the conveying direction T while being inclined as a whole with respect to the extending direction of the forward blade 92 in a plan view.

[0100] The return blade 93 is Figure 5 The angle θ2 formed with the leading blade portion 92 adjacent to the downstream connecting portion 95 side shown in the enlarged view of is preferably greater than 0 degrees, and more preferably greater than 5 degrees.

[0101] The angle θ2 of the return blade portion 93 is smaller than 180 degrees, preferably smaller than 60 degrees, and more preferably smaller than 30 degrees.

[0102] The return blade 93 is Figure 5 The angle θ3 formed with the leading blade portion 92 adjacent to the upstream connecting portion 94 side shown in the enlarged view of is preferably greater than 0 degrees, and more preferably greater than 5 degrees.

[0103] The angle θ3 of the return blade 93 is smaller than 180 degrees, preferably smaller than 60 degrees, and more preferably smaller than 30 degrees.

[0104] The upstream connecting portion 94 is located on the upstream side in the conveying direction T, and is a portion that connects the upstream end portion of the forward blade portion 92 and the upstream end portion of the return blade portion 93 .

[0105] The downstream connecting portion 95 is located on the downstream side of the upstream connecting portion 94 in the conveying direction T, and is a portion that connects the downstream end of the forward blade portion 92 and the downstream end of the return blade portion 93 .

[0106] The upstream ridge portion 96 is composed of the return blade portion 93 , the upstream connecting portion 94 , and the forward blade portion 92 , and is a V-shaped ridge portion in which the upstream connecting portion 94 as the top is located on the upstream side in the conveying direction T.

[0107] The downstream ridge portion 97 is composed of the forward blade portion 92 , the downstream connecting portion 95 , and the return blade portion 93 , and is a V-shaped ridge portion in which the downstream connecting portion 95 as the top is located on the downstream side in the conveying direction T.

[0108] That is, the top of the downstream ridge portion 97 in the conveying direction T faces in the opposite direction to the top of the upstream ridge portion 96 .

[0109] The blade member 80 is as follows Figure 4 In this way, it is an exposed blade that protrudes relative to the position adjustment mechanism 82 and the blade tip is always exposed. That is, the cutting section 7 has no protective member or the like around the blade member 80, and the side surface of the blade member 80 is exposed to the outside.

[0110] The blade receiving member 81 is as follows Figure 1 , Figure 2 Thus, it forms a pair with the blade member 80 and is provided at a position facing the blade member 80 in the vertical direction with the conveying piece 56 interposed therebetween, and is a portion for cutting the flat fiber bundle 101 together with the blade member 80 interposing therebetween.

[0111] The blade receiving member 81 is formed of a buffer member having elasticity, and can absorb the pressing force from the blade member 80 generated in association with the lowering by the position adjustment mechanism 82 .

[0112] The blade receiving member 81 only needs to move relative to the blade member 80 and may or may not move.

[0113] The position adjustment mechanism 82 includes a lifting mechanism capable of lifting and lowering the blade member 80 relative to the blade receiving member 81 , and a horizontal movement mechanism capable of moving the blade member 80 relative to the blade receiving member 81 in the width direction.

[0114] That is, the cutting unit 7 lowers the blade member 80 by the lifting mechanism of the position adjustment mechanism 82, and cuts the flat fiber bundle 101 passing through the blade receiving member 81 by sandwiching the blade member 80 and the blade receiving member 81. The two ends of the flat fiber bundle 101 are repeatedly cut at intervals in the feeding direction, so that the cut fiber bundle 102 can be obtained.

[0115] In addition, the cutting portion 7 is Figure 7In this way, the blade member 80 can be displaced in the width direction W with respect to the blade receiving member 81 by the horizontal moving mechanism of the position adjustment mechanism 82 .

[0116] (Fiber bundle recovery unit 8)

[0117] The fiber bundle recovery section 8 is a section for recovering the cut fiber bundle 102 cut by the cutting section 7, and has an introduction port opened upward.

[0118] (The fiber bundle 102 has been cut)

[0119] The cut fiber bundle 102 is as follows Figure 6 In this way, cut marks 105a and 105b are formed by the blade member 80 at both ends in the longitudinal direction.

[0120] The cut marks 105a and 105b are respectively the same shape as the cut portion of the blade member 80, and are formed with triangular wave-like concavities and convexities.

[0121] That is, the cut marks 105a, 105b have a first inclined portion 106 corresponding to the forward blade portion 92 of the blade member 80, a second inclined portion 107 corresponding to the return blade portion 93 of the blade member 80, a first connecting portion 108 corresponding to the upstream connecting portion 94, and a second connecting portion 109 corresponding to the downstream connecting portion 95.

[0122] The first connection portion 108 of the cut mark 105a constituting one end and the second connection portion 109 of the cut mark 105b constituting the other end are in the same position in the width direction W, and the second connection portion 109 and the first connection portion 108 of the cut mark 105b constituting the other end are in the same position in the width direction W.

[0123] That is, in the cut fiber bundle 102 , fibers having different lengths are arranged in the width direction W, and the positions of the cut marks 105 a and 105 b in the width direction W are sequentially changed.

[0124] The cut marks 105a and 105b of the present embodiment are line-symmetrical with respect to a line perpendicular to the longitudinal direction as a reference line in a plan view.

[0125] Next, a method for producing an artificial hair fiber bundle using the artificial hair processing device 1 of the present embodiment will be described.

[0126] The method for producing artificial hair of the present embodiment sequentially performs the processing step of processing the unprocessed fiber bundle 100 using the artificial hair processing device 1 and the combing step of combing the cut fiber bundle 102 processed by the artificial hair processing device 1 as described above.

[0127] In the cutting step, first, the unprocessed fiber bundle 100 is set on the fiber bundle supplying section 2, and the artificial hair processing device 1 is operated.

[0128] Then, the unprocessed fiber bundle 100 placed on the fiber bundle supplying section 2 is conveyed toward the flattening section 6 by the roller conveying section 20 (roller conveying step).

[0129] Specifically, the unprocessed fiber bundle 100 passes through the first guide roller 30 , the first limiting guide 35 , the second guide roller 31 , the third guide roller 32 , and the second limiting guides 36 and 37 in sequence from the fiber bundle supplying section 2 to reach the flattening section 6 .

[0130] And, the fiber bundle 100 before processing reaching the flattening processing part 6 is as follows Figure 3 The fiber bundle is thus sandwiched by the pressing roller 70 and the support rollers 71 and 72 and expanded into a belt shape, and then passes between the pressing roller 70 and the support rollers 71 and 72 to become a flat fiber bundle 101 and passes through the first introduction guide 38 (flattening step).

[0131] at this time, Figure 3 The width W2 of the flat fiber bundle 101 after passing through the flattening section 6 is preferably 1.5 times or more, and more preferably 2.5 times or more, the width W1 of the unprocessed fiber bundle 100 before passing through the flattening section 6 .

[0132] The width W2 of the flat fiber bundle 101 is narrower than the length of the blade member 80 in the width direction, and is preferably 10 times or less, and more preferably 5 times or less, the width W1 of the fiber bundle 100 before processing.

[0133] The width W2 of the flat fiber bundle 101 is preferably longer than the length in the width direction W of the forward blade 92 or the return blade 93 of the blade member 80 of the cutting section 7, and more preferably longer than the width direction W of the flat fiber bundle 101. Figure 5 The distance D1 in the width direction W between the upstream connection part 94 and the downstream connection part 95 adjacent in the width direction W shown is longer, and more preferably longer than the distance D2 in the width direction W of the upstream connection parts 94, 94 adjacent in the width direction W or the distance D3 in the width direction W of the downstream connection parts 95, 95 adjacent in the width direction W.

[0134] In the flattening process, if the flat fiber bundle 101 set to be flat passes through the first introduction guide part 38, it falls onto the conveying sheet 56 of the sheet conveying part 21, and is transported to the cutting part 7 by the movement of the conveying sheet 56. In the cutting part 7, the blade part 80 moves relative to the blade receiving part 81, and is clamped and cut by the blade part 80 and the blade receiving part 81 to become a cut fiber bundle 102 (cutting process).

[0135] At this time, the flat fiber bundle 101 is as Figure 7 Thus, the cut fiber bundle 102 is cut at regular intervals by the blade member 80 and the blade receiving member 81 while being conveyed by the sheet conveying unit 21 , and a sawtooth-like concave-convex shape corresponding to the shape of the blade member 80 is formed at both ends in the conveying direction T.

[0136] Furthermore, the blade member 80 alternately shifts the cutting positions in the width direction W by a distance D1 in the width direction W between the upstream connecting portion 94 and the downstream connecting portion 95 adjacent in the width direction W every time the flat fiber bundle 101 is cut.

[0137] That is, the blade member 80 is Figure 7 When the upstream side of the cut fiber bundle 102a whose downstream side is cut is cut as in (a), Figure 7 As in (b), the downstream side is cut at a position offset in the width direction W.

[0138] In the cutting process, the cut fiber bundle 102 is further transported downstream by the movement of the transport sheet 56 , and when it reaches the winding roller 51 , it falls from the transport sheet 56 , passes through the second introduction guide 57 , and is guided to the fiber bundle recovery section 8 .

[0139] When the cut fiber bundle 102 is recovered by the fiber bundle recovery unit 8, the processing step is terminated and the process proceeds to the carding step.

[0140] Specifically, the operator takes out the cut fiber bundle 102 from the fiber bundle recovery section 8, holds the middle portion of the cut fiber bundle 102 in the longitudinal direction, and causes the end portion of the cut fiber bundle 102 to fall from the upper side and to contact with the cut fiber bundle 102. Figure 8 The plurality of convex parts 112 of the combing member 110 shown in the figure are brought into contact, and the end side of the cut fiber bundle 102 is arranged in the gap between the convex parts 112, and the cut fiber bundle 102 is pulled out from the side of the convex parts 112 and combed (combing step). Thus, the end positions of the fibers of the cut fiber bundle 102 are shifted, and a fiber bundle for artificial hair with light hair ends, naturalness and integrity is formed.

[0141] The combing member 110 used at this time is as follows Figure 8 The socket-shaped structure has a base 111 and a plurality of protrusions 112 protruding upward from the base 111 .

[0142] The convex portion 112 has a sharp tip, and is arranged in a planar distribution with other convex portions 112 at intervals.

[0143] According to the artificial hair processing device 1 of the first embodiment, Figure 7In this way, the fiber bundle 100 before processing is expanded by the flattening section 6 so that it overlaps the forward blade section 92 and the return blade section 93 when viewed from above and is narrower than the length of the blade member 80 in the width direction W, and is cut by being sandwiched between the blade member 80 and the blade receiving member 81. Therefore, the cut fiber bundle 102 having a substantially continuous change in the hair tip can be formed, and a fiber bundle for artificial hair having integrity can be formed on the hair tip.

[0144] According to the artificial hair processing device 1 of the first embodiment, the fiber bundle 100 before processing is expanded by the flattening section 6 so as to be wider than the distance between the end of the forward blade section 92 and the end of the return blade section 93 in the width direction W. Therefore, a mountain-shaped cut mark 105 can be formed at the end of the cut fiber bundle 102, and the fiber bundle for artificial hair with a more integrated hair tip can be formed.

[0145] According to the artificial hair processing device 1 of the first embodiment, the forward blade 92 and the return blade 93 extend obliquely with respect to the conveying direction T in a plan view. Figure 6 In this way, the cut fiber bundle 102 having the cut marks 105a and 105b inclined in two directions with respect to the feeding direction T can be formed, and the fiber bundle for artificial hair with more integrated hair ends can be formed.

[0146] According to the artificial hair processing device 1 of the first embodiment, the sheet-type conveying section 21 conveys the flat fiber bundle 101 so that it overlaps the return blade section 93 and the forward blade sections 92, 92 adjacent to both sides of the return blade section 93 in the width direction W and / or the forward blade section 92 and the return blade sections 93, 93 adjacent to both sides of the forward blade section 92 in the width direction W when viewed from above, and cuts it by the cutting section 7. Therefore, the hair ends in the cut fiber bundle 102 can be removed at intervals more naturally, and a fiber bundle for artificial hair with more integrated hair ends can be formed.

[0147] According to the artificial hair processing device 1 of the first embodiment, since the cutting section 7 presses the forward blade 92 and the return blade 93 against the flat fiber bundle 101 to cut it, the cut marks 105a and 105b of the cut fiber bundles 102 adjacent in the feeding direction can be formed simultaneously.

[0148] According to the artificial hair processing device 1 of the first embodiment, since the cutting section 7 sandwiches the flat fiber bundle 101 between the blade member 80 and the blade receiving member 81 to cut it, the flat fiber bundle 101 is less likely to be misaligned and can be accurately cut.

[0149] By the way, the Thomson blade of the blade member 80 constituting the cutting portion 7 is usually buried in an elastic member such as a sponge. When cutting, the elastic member is brought into contact with the object to be cut, and the resistance from the object to be cut causes it to be elastically deformed, so that the blade tip is exposed from the elastic member, thereby cutting the object to be cut.

[0150] However, the object to be cut by the cutting section 7 of this embodiment is a flat fiber bundle 101 composed of many artificial hair fibers. Therefore, if the elastic member is brought into contact with the flat fiber bundle 101, the artificial hair fibers may enter between the elastic member and the blade member 80, resulting in a poor cutting.

[0151] Therefore, according to the artificial hair processing device 1 of the first embodiment, since the side surface of the blade member 80 of the cutting section 7 is exposed to the outside, only the blade member 80 contacts and cuts the flat fiber bundle 101 in the cutting section 7, so the occurrence of poor cutting in the flat fiber bundle 101 can be suppressed.

[0152] According to the artificial hair processing device 1 of the first embodiment, since the cutting section 7 is Figure 7 In this way, the flat fiber bundle 101 is cut multiple times at intervals in the conveying direction T, and the cutting position on the upstream side is offset in the width direction W relative to the cutting position on the downstream side immediately before, so that a cut fiber bundle 102 with different cutting marks 105 in the width direction W can be formed.

[0153] According to the artificial hair processing device 1 of the first embodiment, the sheet-type conveying section 21 places the flat fiber bundle 101 on the conveying sheet 56, and conveys the flat fiber bundle 101 by moving the conveying sheet 56 from the unwinding roller 50 to the winding roller 51. Therefore, the fibers constituting the flat fiber bundle 101 or the cut fiber bundle 102 are less likely to fall off from the sheet-type conveying section 21.

[0154] According to the artificial hair processing device 1 of the first embodiment, since there is a working space 15 between the fiber bundle supplying section 2 and the flattening section 6, the fiber bundle 100 before processing bypasses most of the working space 15 and passes through the upper side of the working space 15, so it is easy to reach the flattening section 6, etc., and it is easy to eliminate the entanglement of the fiber bundle 100 before processing.

[0155] According to the manufacturing method of the artificial hair fiber bundle of the first embodiment, since the fiber amount (hair amount) of the end portion (hair ends) of the cut fiber bundle 102 is partially thinned out in the processing step, the number of times of combing by the combing member 110 can be reduced in the combing step, and the combing time can be shortened. In addition, since the hair ends are staggered, the frictional resistance with the convex portion 112 during combing can be reduced, and the hair ends are not easily tangled, and can be combed smoothly.

[0156] In the above-mentioned embodiment, the artificial hair processing device 1 processes a pre-processed fiber bundle 100 into a cut fiber bundle 102, but the present invention is not limited to this. Fig. 9 Thus, the plurality of unprocessed fiber bundles 100 are respectively formed into flat fiber bundles 101, and the flat fiber bundles 101 are simultaneously processed into cut fiber bundles 102. That is, the cutting unit 7 may cut the plurality of flat fiber bundles 101 in parallel.

[0157] In this case, you can also Fig. 9 In this way, a plurality of flat fiber bundles 101 may be cut simultaneously by one blade member 80, or a plurality of blade members 80 may be provided to match the number of the plurality of flat fiber bundles 101. In addition, a separate conveying unit 5 may be provided for each flat fiber bundle 101, or a plurality of flat fiber bundles 101 may be conveyed by the same conveying unit 5.

[0158] In the above embodiment, both the forward blade 92 and the return blade 93 are inclined relative to the conveying direction T in a plan view, but the present invention is not limited to this. It is sufficient that only one of the forward blade 92 and the return blade 93 is inclined. Fig.10 As shown in (a) of FIG. 1 , the return blade portion 93 is a sawtooth blade parallel to the conveying direction T.

[0159] In the above embodiment, the connecting parts 94 and 95 connect the forward blade part 92 and the return blade part 93 in a point shape, but the present invention is not limited to this. Fig.10 The blades 92 and 93 may be connected in an arc shape as in (b), or they may be connected in an inclined chamfered shape relative to the blades 92 and 93 .

[0160] In the above embodiment, the forward blade 92 and the return blade 93 extend in a straight line when viewed from above, but the present invention is not limited to this. As long as at least one of the forward blade 92 and the return blade 93 extends as a whole, it may also be as shown in FIG. Fig.11 It can be partially bent as in (a) or bent. Fig.11 Part of it becomes stepped as in (b).

[0161] In the above embodiment, the blade member 80 has four upstream ridges 96 and five downstream ridges 97, but the present invention is not limited thereto. The blade member 80 only needs to have one or more upstream ridges 96 or one or more downstream ridges 97.

[0162] In the above embodiment, each time the flat fiber bundle 101 is cut, the cutting position is alternately shifted in the width direction W by the distance D1 in the width direction W of the upstream connecting portion 94 and the downstream connecting portion 95 adjacent in the width direction W, but the present invention is not limited thereto. Each time the flat fiber bundle 101 is cut, the cutting position may be shifted in only one direction in the width direction W by the distance D1 in the width direction W of the upstream connecting portion 94 and the downstream connecting portion 95 adjacent in the width direction W.

[0163] The above-described embodiments are included in the technical scope of the present invention, and each component can be freely replaced or added between the embodiments.

[0164] Description of symbols

[0165] 1 Artificial hair processing device

[0166] 2 Fiber bundle supply unit

[0167] 3 Operation framework

[0168] 5. Conveying Department

[0169] 6 Flat processing unit

[0170] 7 Cutting section

[0171] 21. Sheet conveyor

[0172] 50 unwinding roller (delivery roller)

[0173] 51 Take-up roller

[0174] 56 conveyor sheet

[0175] 80 blade parts

[0176] 81 Blade receiving parts

[0177] 82 Position adjustment mechanism

[0178] 90 Blade

[0179] 91 Connection

[0180] 92 forward blade (1st blade, 2nd blade, 3rd blade)

[0181] 93 Return blade (1st blade, 2nd blade, 3rd blade)

[0182] 94 upstream connection part (first connection part, second connection part)

[0183] 95 downstream connection part (first connection part, second connection part)

[0184] 100 Fiber bundles before processing

[0185] 101 Flat Fiber Bundles

[0186] 102 Cut fiber bundles

[0187] 105 Cutting marks

[0188] 110 Combing parts

[0189] 112 convex part

Claims

1. An artificial hair processing device, characterized in that: have: A fiber bundle supplying unit for supplying the fiber bundle; a flattening section that expands the fiber bundle supplied from the fiber bundle supply section in a belt shape to form a flat fiber bundle; a conveying unit for conveying the flat fiber bundle; and a cutting section for cutting the flat fiber bundle conveyed by the conveying section, The cutting portion includes a blade member including a first blade portion, a second blade portion and a first connecting portion. The first blade portion extends obliquely as a whole relative to the conveying direction when viewed from above. The second blade portion extends as a whole obliquely relative to the extending direction of the first blade portion when viewed from above, and the angle formed with the first blade portion exceeds 0 degrees and is less than 180 degrees, The first connecting portion connects the end of the first blade portion in the extending direction with the end of the second blade portion in the extending direction in the width direction. The flattening portion expands the fiber bundle so as to overlap the first blade portion and the second blade portion in a plan view and to be narrower than a length of the blade member in a width direction.

2. The artificial hair processing device according to claim 1, characterized in that The flattening portion expands the fiber bundle to be wider than a distance between an end portion of the first blade portion in an extending direction and an end portion of the second blade portion in an extending direction in a width direction.

3. The artificial hair processing device according to claim 1, wherein: The second blade portion extends obliquely with respect to the conveying direction in a plan view.

4. The artificial hair processing device according to claim 1, wherein: The blade member has a third blade portion and a second connecting portion. The third blade portion extends obliquely relative to the conveying direction in a plan view, and the angle formed with the second blade portion exceeds 0 degrees and is less than 180 degrees. The second connecting portion connects the end of the second blade portion in the extending direction with the end of the third blade portion in the extending direction in the width direction. The conveying section conveys the flat fiber bundle so as to overlap the first blade section, the second blade section, and the third blade section in a plan view.

5. The artificial hair processing device according to claim 4, characterized in that The blade member has n plurality of blade portions and (n-1) connecting portions, and the n blade portions are connected by the (n-1) connecting portions and extend in the width direction; The n blades include the first blade, the second blade and the third blade; The (n-1) connecting parts include the first connecting part and the second connecting part; The above n is an integer of 4 or more.

6. The artificial hair processing device according to claim 1, wherein: The cutting section presses at least the first blade section and the second blade section against the flat fiber bundle to cut the flat fiber bundle.

7. The artificial hair processing device according to claim 1, wherein: The cutting section includes a blade receiving member receiving the blade member, and the flat fiber bundle is cut by sandwiching the flat fiber bundle between the blade member and the blade receiving member.

8. The artificial hair processing device according to claim 1, wherein: The cutting portion has the side surface of the blade member exposed to the outside. In the cutting section, only the blade member comes into contact with the flat fiber bundle to cut it.

9. The artificial hair processing device according to claim 1, wherein: The cutting section has a position adjustment mechanism for adjusting the position of the blade member in the width direction. The cutting section cuts the flat fiber bundle a plurality of times at intervals in the feeding direction, and cuts the flat fiber bundle by shifting the position of the blade member in the width direction relative to the immediately preceding cutting position.

10. The artificial hair processing device according to any one of claims 1 to 9, characterized in that The conveying section includes a delivery roller for delivering the conveying sheet and a winding roller for winding up the conveying sheet delivered from the delivery roller. The conveying section places the flat fiber bundle on the conveying sheet, and conveys the flat fiber bundle by moving the conveying sheet from the feeding roller to the winding roller.

11. A method for producing a fiber bundle for artificial hair, using a conveying unit and a blade member, characterized in that: The blade member includes a first blade portion and a second blade portion extending in a manner inclined relative to a conveying direction of the conveying portion and intersecting with each other, and in a width direction, an end portion of the first blade portion in an extending direction and an end portion of the second blade portion in an extending direction are connected by a first connecting portion. The method for producing the above-mentioned fiber bundle for artificial hair comprises: A flattening step of expanding the fiber bundle into a ribbon shape to form a flat fiber bundle; and a cutting step of cutting the flat fiber bundle by the blade member while conveying the flat fiber bundle by the conveying unit; In the flattening step, the fiber bundle is expanded so as to span the first blade portion and the second blade portion and to be narrower than the length of the blade member in the width direction.

12. The method for producing a fiber bundle for artificial hair according to claim 11, wherein Using a combing member having multiple convex parts, It also includes the combing process. In the cutting step, the flat fiber bundle is cut at intervals in the feeding direction to form a cut fiber bundle having cut marks formed by the blade member at both ends in the feeding direction. In the combing step, the middle portion of the cut fiber bundle in the longitudinal direction is held and bundled, and the cut fiber bundle is combed so that the end portions thereof come into contact with the plurality of convex portions.

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