KR101582265B1

KR101582265B1 - Apparatus for clipping fabric of tenter

Info

Publication number: KR101582265B1
Application number: KR1020150151261A
Authority: KR
Inventors: 신종구; 신태용
Original assignee: 디와이테크 주식회사; 신종구; 신태용
Priority date: 2015-10-29
Filing date: 2015-10-29
Publication date: 2016-01-11

Abstract

The present invention is characterized in that a fabric which is press-fit fixed to a press-in surface due to no smooth operation of a clip unit provided in a clip apparatus for safely transporting a fabric to a tenter is removed during transfer And to provide a technique for preventing such a problem.
According to the present invention, there is provided a bracket comprising: a frame portion having a working space formed in a body of a bracket; A clip portion having a fastening portion fitted to the fastening portion of the frame portion so that the bushing is caught by the fastening jaw, The clip portion includes a support portion connected to the coupling portion; A press-in portion connected to the support portion and having a press-in blade contacting the press-in surface of the base portion; A guide roller portion connected to the press-in portion and disposed inside the operation space portion; A guide roller provided on a roller holder of the guide roller portion; A roller hole formed in the base portion in a direction perpendicular to an end of the guide roller so as to guide the entry / exit of the guide roller into / from the wheel; And an operation lever which is connected to the coupling part and is provided inside the operation space part to press or disassemble the press-in part into the press-in surface with the coupling member as a rotation axis.

Description

[0001] APPARATUS FOR CLIPPING FABRIC OF TENTER [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a clip device for safely transferring a fabric to a tenter (also referred to as a "fabric device"), and more particularly to a vibration device The effect of high temperature and high heat generated during dyeing, processing and drying on the clip device prevents smooth operation of the clip part. &Lt; / RTI >

In general, a tenter is a mechanical device used for processing and drying a fabric by a heat setting process (heat setting) or a post-dyeing process performed in a pre-dyeing process in processing a fabric.

Such a tenter unit is already known by Korean Patent Registration No. 10-1223338 (Jan. 10, 2013) by a chain pin fixing method and chain pin for a tenter machine (hereinafter referred to as Document 1) It is known.

The chain 100 for a tenter machine is inserted into a feed groove 102 formed in a chain rail 101 mounted on a tenter machine so as to be pulled by a driving means, An attachment 107 mounted on an inner end of a pin seat 106 having a pin 105 for fixing the attachment 104 is connected by a chain pin 110. The outer end of the attachment 107 is connected to a chain rail 101 is prevented from being inclined inward by the release preventing means 109 fixed to the upper portion of the main body.

However, such a conventional technique has the disadvantage that the vibrations generated during operation of the tenter device are transmitted to the attachment 107 via the chain 100, or because of the high heat generated to dry the fabric 104, The far end 104 fixed to the pin 105 is detached from the pin sheet 106 to cause the defect 104 of the product to be frequently present. There is a problem that the detached fabric 104 is wound around the chain 100 or the like and causes a failure of the tenter unit.

In order to solve the above-described problems, the present invention provides a fixing failure case in which a fabric that is press-fitted and fixed to a press-in surface by a retaining force of a press- The present invention has been made to solve the above problems.

It is another object of the present invention to prevent the fabric from being detached from the clip portion during transportation, and to prevent breakdown of the tenter device caused by winding the fabric through a transfer chain or the like.

Further, according to the present invention, continuous operation of the clip portion is smoothly performed even when lubricating oil is injected into the pivot portion of the clip portion due to the use of the highly heat-resistant bushing, thereby preventing contamination of the fabric, There is another purpose.

As a means for solving the problem of the present invention as described above, a frame portion formed with a working space portion in the body of the bracket portion is characterized.

The clip portion is provided with a fastening portion fitted to the fastening portion of the frame portion so that the bushing is caught by the fastening protrusion, and the fastening portion is provided in the operation space portion.

The clip portion may include a support portion connected to the coupling portion and a press-in portion connected to the support portion and having a press-in blade contacting the press-in surface of the base portion.

And a guide roller connected to the press-in portion and provided inside the operating space portion and a guide roller provided in a roller holder of the guide roller portion.

Further, a roller hole is formed in the base portion in a direction perpendicular to an end of the guide roller so as to guide the entry / exit of the guide roller into / from the wheel.

And an operation lever connected to the coupling portion and provided inside the operation space portion to press or disassemble the press-in portion into the press-in surface with the coupling member as a rotation axis.

DETAILED DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

As described above, according to the present invention, it is possible to smoothly operate the clip portion and to prevent a fixed failure case in which the fabric, which is press-fitted and fixed to the press-in surface by the retaining force of the press-in portion, is removed during transfer, And the like.

In addition, the present invention provides another effect of preventing the deterioration of the tenter machine caused by moving the fabric through a transfer chain or the like through the improvement of the fabric so as not to be detached from the clip portion during transportation.

Further, since the continuous operation of the clip portion can be smoothly performed even when the lubricating oil is injected into the rotation portion of the clip portion due to the use of the bushing having high heat resistance, the present invention can prevent contamination of the fabric, Provide different effects.

FIG. 1 is a schematic view showing a state where a fabric clip apparatus of a tenter machine according to the present invention is installed on a transfer chain.
FIG. 2 is a view showing an embodiment in which the clip device according to the present invention is disassembled.
3 is a view showing an embodiment in which the clip device according to the present invention is assembled.
4 is a rear view of the clip device in Fig. 3 according to the present invention.
5 is a side view of the first embodiment showing the operation state of the clip device in FIG. 3 according to the present invention.
Fig. 6 is a side view of the second embodiment showing the operation state of the clip device in Fig. 3 according to the present invention.
FIG. 7 is a side view showing an embodiment for fixing the cloth to the clip apparatus according to the present invention.
FIG. 8 is a side view showing an embodiment in which a fabric is fixed to a clip device according to the present invention.
FIG. 9 is a front view of the clipping device shown in FIG. 8 according to the present invention.
FIG. 10 is a detailed view of the clip unit included in the clip apparatus in FIG. 2 according to the present invention.
11 is a view showing the back side of the clip portion in Fig. 10 according to the present invention.
Fig. 12 is a detailed view of the clip portion before the bushing and the guide roller are engaged in Fig. 2 according to the present invention.
Fig. 13 is a detailed view of the clip portion in the state that the bushing and the guide roller are engaged with each other in Fig. 2 according to the present invention.
Fig. 14 is a detailed view of the bushing in Fig. 2 according to the present invention.
FIG. 15 is a view showing an example of a structure pattern formed on a press-in surface in FIG. 2 according to the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In the following description of the preferred embodiments of the present invention, reference is made to the accompanying drawings, which form a part hereof, and in which is shown by way of example at least one embodiment, And should not be construed as limiting the scope of the present invention.

It is to be noted that the same reference numerals are used to denote the same elements in the drawings of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, referring to the accompanying drawings of FIGS. 1 to 15, one embodiment of a cloth clip apparatus applied to a tenter of the present invention will be described in detail.

The clip device according to the present invention is mounted on a transfer chain (Chain) 400 provided at both sides of the tenter as shown in FIG. 1, and is driven by driving means (not shown) connected to a motor or the like. (Also referred to as "towing") in the forward direction as indicated by an arrow (A) while pulling the fabric 500 fixed to the clip device in a transverse direction .

Such a clip device of the present invention is advantageous in that, due to vibration caused during driving of the tenter device or influences of factors such as high temperature and high heat generated during dyeing, processing and drying on the clip device, for example, It is possible to prevent a fear that the fabric 500 which has been press-fitted and fixed to the press-in surface 141 due to the rotation of the clip portion 200 not being smoothly being removed by a fixing defect during transfer .

The clip device of the present invention includes a bracket part 100, a clip part 200 and a fastening member 300 for fastening the bracket part 100 and the clip part 200 so as to be rotatable .

The bracket part 100 is made of a light metal material such as a general metal or aluminum or aluminum alloy by various processing methods such as die casting, injection, extrusion, rolling, forging, pressing, And should, of course, not be limited to the metal materials listed above.

2, the clip device of the present invention includes a frame part (not shown) having a "U" shape in which a working space part 150 is formed in a body 110 of a bracket part 100 Frame) 120 are constructed.

As shown in FIGS. 5 and 6, the bushing 260 is fastened to the fastening part 210 of the frame part 120 so that the bushing 260 is fastened to the fastening part 212, The clip unit 200 is assembled so that the member 300 can be coupled to the operation space unit 150 so as to be rotatable.

In other words, when the pin hole 131 formed in the coupling part 130 and the pin hole 311 formed in the coupling member 300 are aligned with each other, The clip portion 200 is fastened to the frame portion 120 so that the rotation operation is performed.

The reference numeral 262 is inserted between the fastening part 130 provided at the end of the frame part 120 and the fastening part 210 provided on the clip part 200 to smoothly rotate the clip part 200 Washer.

The bushing 260 according to the present invention has a clearance 261 of 0.2 to 0.8 mm in the longitudinal direction as shown in FIG. 14, and the fastening hole 211, as shown in FIGS. 12 and 13, As shown in Fig.

The gap 261 serves to generate an elastic force to the bushing 260 so as to prevent the bushing 260 from being separated from the bushing 260 which is pressed against the fastening hole 211. In addition, It is possible to increase the coefficient of friction by tightening the fastening member 300 due to the thermal expansion of the bushing 260 due to the high temperature high temperature generated at the time of sliding, The gap 261 prevents such a problem.

It is preferable that the thickness t1 of the bushing 260 applied to the present invention should be greater than the thickness t2 of the latching jaw 212. [ In addition, the diameter of the fastening member 300 passing through the bushing 260, that is, the fastening member 300 fastened to the bushing 260, must be smaller than the inner diameter d1 of the bushing 260, And further contributes to facilitating the continuous rotation of the clip unit 200 without injecting lubricant into the bushing 260.

The surface roughness of the bushing 260 according to the present invention is preferably 10 μm or less, more preferably 3 to 6 μm, such as a sand blast, It would be desirable to reduce the coefficient of friction using a processing means. On the other hand, the outer surface of the bushing 260 should be made rough and rough so as not to be easily detached from the fastening hole 211 to be fitted with the interference fit.

The bushing 260 having such a structure has stable characteristics at high temperature and high temperature, that is, a combination of heat resistance and abrasion resistance and high thermal oxidative stability, so that the function of dry bearing can be performed even when lubricant is not injected. It is preferable to use a material having a small coefficient of thermal expansion to prevent sticking to the rotating portion.

The material of the bushing 260 for satisfying this is selected from a metal material such as W, Mg, Al, Cu, Ti, Ag, Ni, Si, Cr, Mn, Mo, Zn, Zr, Fe, Ca, And is made of any one or two or more alloys.

Further, the surface of the bushing 260 according to the present invention may be coated with a metal such as PTFE (Poly Tetra Fluoro Ethylene), FEP (Flourinated Ethylene Prophylene) or PFA (Per Fluor Alkoxy), which are different from the above- (Teflon coating) treatment is selected.

As described above, the bushing 260, which has been subjected to the Teflon coating treatment, suppresses heat absorption from the bracket part 100 and the clip part 200, which receive high temperature and high heat generated in the tenter, thereby reducing thermal expansion, Thereby preventing the abrasion.

In yet another embodiment, the bushing 260 may be formed of any one selected from Teflon, Polyimide, Rulon, Bakelite, and Ceramic, The heat absorption from the bracket part 100 and the clip part 200, which have received high temperature and high heat, is suppressed, thereby reducing the thermal expansion and also preventing the abrasion thereof.

The bushing 260 of the present invention may be formed by various methods such as die casting, injection molding, extrusion, rolling, forging, pressing, and etching using the above-mentioned materials, materials and materials. And, of course, should not be limited to the materials, materials, and materials listed above.

The clip part 200 according to the present invention includes a support part 230 connected to the coupling part 210 and a base part 140 connected to the support part 230 and provided in the bracket part 100. [ A press-in portion 240 having a press-in blade 242 which is in contact with the press-in surface 141 of the press-

The press-in surface 141 is provided outside the base 140, which is flat in a rectangular shape corresponding to the press-in blade 242. The surface of the press-in surface 141 is provided with a structure pattern (not shown) as a means for preventing the fabric 500 fixed between the press-in surface 141 and the press-in blade 242 from being easily detached, Patterns 141a to 141d are formed. For example, the structure patterns 141a to 141d may have various shapes of irregularities such as a rhombic shape (a) of a regular or irregular shape, a horizontal line shape (b), a wave shape (c) It would be possible to form a rugged pattern.

The clip unit 200 according to the present invention is configured such that the operation lever 220 is operated in the direction of arrows B and C by operation means (not shown) provided separately in the tenter unit, The operation lever 220 connected to the support portion 230, the bar type weight 231, the press-in portion 240, the guide rollers 300, The press-fit blade 242 is brought into contact with the press-in surface 141 of the base portion 140 while being rotated by its own weight such as the portion 250. [

The contact point 143 at which the press-in blade 242 of the press-in portion 240 contacts the press-in surface 141 is shown in FIG. 5 The fastening member 300 is rotated to the wall surface 151 of the operating space portion 150 from the end portion 140a of the base portion 140 with the rotation axis y1 at a contact angle k1 of 1 to 30 degrees (Degrees), more preferably in the range of 1 to 15 degrees (degrees).

In other words, since the contact point 143 is a stop point of the press-in blade 242, the contact point 143 is formed inside the operating space 150 from the end 140a of the base 140 By the force that the fabric 500 fixed between the press-in blade 242 and the press-in surface 141 is tensioned in the transverse direction as shown in the attached money 8, the press-in knife 242 is moved in the outward direction This is to prevent it from being pushed out.

As the contact points 143 are located inside the operating space 150, both ends of the fabric 500 fixed by the press-in blades 242 can be further inserted into the operating space 150 Therefore, it is desirable to set it appropriately according to the kind of the cloth 500.

Accordingly, the position of the contact point 143 can be adjusted by adjusting the distance between the frame 120 and the base 140 provided in the bracket part 100 when the clip device of the present invention is manufactured, The length of the support portion 230 and the press-fit portion 240 provided in the support portion 230 and the press-fit portion 240 can be adjusted. Consequently, the contact angle k1 can be appropriately adjusted.

6 and 7, the operation angle k2 of the press-fit part 240 according to the present invention is determined by the press-in blade 242 being press-fitted with the fastening member 300 as the rotation axis y1, It is preferable that the contact point 143 contacting the surface 141 be formed in the range of 15 to 60 degrees in the direction of the wall surface 151 of the operating space portion 150, And is formed in a larger size in the range of 10 to 75 degrees (degrees) in consideration of easiness of entry into and advancement into the operation space part 150. FIG.

Accordingly, the operating angle k2 of the press-fit portion 240 facilitates the entry of the raw fabric 500 into the operating space 150 and the advancement of the raw fabric 500 to the outside.

10 to 13, the press-fit portion 240 is formed with a press-in blade 242 at its tip along the beveled surface portion 241, and the press-fit blade 242 is provided with a press- (243) formed with a press-in angle (k3) in the range of (占 퐉) are formed at equal intervals.

In addition, a press-in jaw 244 is formed so as to be in contact with the beveled surface 241 so as to contact the press-in gap 243, wherein the press-in jaw 244 is provided with a press- Is formed at a position lower than the vertex (245).

The reason why the press-in gap 243 is formed as described above is as follows. First, it prevents the press-in blade 242 from expanding due to the high-temperature high temperature occurring at the time of driving the tenter machine, As shown in FIG. 9, the press-in gaps 243 are formed so as to enter into the press-in gap 243 with respect to the fabric 500 placed on the press-in surface 141, So as to prevent the fabric 500 from being detached.

11 and 13, a guide roller unit 250 connected to the press-fit unit 240 and provided inside the operation space unit 150 and the guide roller unit 250 A guide roller 252 provided through a fastening shaft 253 is formed in a roller holder 251 of the roller holder 251.

The movement of the wheels 252a and 252b to guide the entry and advance of the wheels 252a and 252b in the operating space 150 of the pair of wheels 252a and 252b of the guide roller 252, A pair of roller holes 142a and 142b are formed in the base part 140 in a direction perpendicular to the end part 140a of the base part 140 as shown in FIGS. 2 and 4, Is formed in a long length.

The diameters of the wheels 252a and 252b according to the present invention are formed in the range of 10 to 30 mm in consideration of the position of the stop portion 144 with respect to the end portion of the fabric 500 described later.

Reference numeral 150a denotes an auxiliary working space formed in the operating space part 150 to assist smooth operation of the guide roller part 250 in the operating space part 150. [

7, when the operation lever 220 is disengaged in the direction of arrow B, the end of the fabric 500 is moved in the direction of arrow B, And enters the wall surface 151 inside the operation space part 150 in a state of being seated on the surface of the work 140.

8, the pair of wheels 252a and 252b provided on the guide roller 252 are moved in the direction of the arrow 500 in the direction of the arrow 500, At the same time, the clip device mounted on the conveying chain 400 is conveyed in the direction of arrow (A) to pull the fabric 500 in the lateral direction.

The wheels 252a and 252b provided on the guide roller 252 are rotated in a state in which the fabric 500 is pressed by the wheels 252b of the guide roller 252, The wheels 252a and 252b are pulled into the roller holes 142a and 142b at the moment when the end of the raw fabric 500 is separated from the wheels 252a and 252b.

At the same time, the press-in blade 242 is positioned at the contact point 143, and the press-in operation with respect to the raw fabric 500 is performed. The end of the fabric 500 is fixed to the wheels 252a and 252b by a press-in blade 242 so that the fabric 500 can no longer advance to the outside of the operation space part 150. At this time, 252b is a stop portion 144 on the press-in surface 141. As shown in Fig.

The diameter of the stop portion 144 is adjustable according to the diameters of the wheels 252a and 252b described above. For example, when the diameter of the stop portion 144 is small, the end of the fabric 500 is further inserted into the operation space portion 150 You can do it. On the contrary, if the diameter of the fabric 500 is increased, the end of the fabric 500 may be positioned further out of the operation space 150. Therefore, it is preferable to adjust the diameter of the fabric 500 according to the type and characteristics of the fabric 500 something to do.

On the other hand, the press-in portion 240 is connected to the coupling portion 210 and the operation member (not shown) separately provided in the tenter portion on the press-in surface 141 with the coupling member 300 as a rotation shaft And an operation lever (Lever) 220 provided inside the operation space part 150 to press or dismantle the fabric 500.

As described above, according to the present invention, the operation of the clip unit 200 is smoothly performed, and the fabric 500 press-fitted into the press-in surface 141 by the holding force of the press-in unit 240 is removed from the tenter unit The bending of the clip unit 200 due to the use of the bushing 260 having a high heat resistance can be prevented by preventing the tenter unit 500 from being damaged by winding the cloth 500 on the transfer chain 400 or the like, It is possible to smoothly perform the continuous operation even when the lubricating oil is not injected into the pivot portion of the punch 500. Therefore, the punch 500 performs various functions to prevent contamination of the fabric 500 that may be caused by the lube oil.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention.

Therefore, the technical scope of the present invention should be defined by the claims of the present invention, rather than being limited to those described in various exemplary embodiments as mentioned above.

100: Bracket part
110: Body
120: Frame section
130 and 210:
131, 311: Pin ball
132: Fixing pin (Pin)
140: Base portion
140a: end
141:
141a to 141d: Structure Pattern
142a, 142b: Roller Hole
143: contact point
144: Stop region
150:
150a: auxiliary working space part
151: wall surface
200: Clip section
211: fastening hole
212:
220: Operation Lever (Lever)
230: Support
231: Weights
240:
241:
242:
243: Press-fitting gap (Gap)
244: press-in jaw
245: Vertex
250: guide roller unit
251: Roller Holder
252: guide roller
252a 252b: Roller Wheel
253: fastening shaft
260: Bushing
261: Niche
262: Washer
300: fastening member
400: Feed Chain
500: Fabric

Claims

A frame part 120 having a working space part 150 formed in the body 110 of the bracket part 100;
A fastening part 210 fitted to the fastening part 130 of the frame part 120 so that the bushing 260 is caught by the fastening protrusion 212 is installed in the operation space part 150 through the fastening member 300 A clip unit 200;
The clip portion 200 includes a support portion 230 connected to the coupling portion 210;
A press-in portion 240 connected to the support portion 230 and having a press-in blade 242 contacting the press-in surface 141 of the base 140;
A guide roller unit 250 connected to the press-fit unit 240 and disposed inside the operation space unit 150;
A guide roller 252 installed on the roller holder 251 of the guide roller unit 250;
Roller holes 142a and 142b formed in the base portion 140 in a direction perpendicular to the end portion 140a to guide the guide rollers 252 into and out of the wheels 252a and 252b; And
And is inserted into the operating space part 150 in order to press the insertion part 240 into the press-in surface 141 or to disassemble the press-in part 240 with the fastening part 300 as a rotation shaft, And an actuation lever (220) positioned on the outer surface of the tenter.

The contact point (143) at which the press-in blade (242) of the press-in portion (240) contacts the press-in surface (141) Is formed in a range of 1 to 15 degrees (degrees) of the contact angle (k1) toward the wall surface (151) of the working space part (150) starting from the end part (140a) of the tenter.

The operating angle k2 of the press-fit portion 240 is set to a contact point 143 at which the press-fit blade 242 contacts the press-in surface 141 with the fastening member 300 as a rotation axis y1, Is formed in the range of 10 to 75 degrees (degrees) toward the wall surface (151) of the working space part (150).

The press-fit part (240) according to claim 1, wherein the press-fit part (240) comprises: a press-in blade (242) formed at an end along the beveled part (241);
A press-in gap 243 in which a press-in angle k3 in the range of 3 to 45 degrees (degrees) is formed at equal intervals in the press-in blade 242;
A press-in jaw 244 formed to face the beveled surface portion 241 so as to contact the press-in gap 243;
Wherein the press-in jaw (244) is formed at a lower position than the apex (245) of the press-in gap (243).

The bushing (260) according to claim 1, wherein the bushing (260) is made of one selected from W, Mg, Al, Cu, Ti, Ag, Ni, Si, Cr, Mn, Mo, Zn, Zr, Fe, Ca, Characterized in that it is made of two or more alloys and is provided with a gap (261) of 0.2 to 0.8 mm in the longitudinal direction.

The bushing (260) according to claim 5, wherein the surface of the bushing (260) is coated with a Teflon coating selected from PTFE (Poly Tetra Fluoro Ethylene), FEP (Flourinated Ethylene Prophylene) and PFA Of the tenter machine.

The bushing (260) according to claim 1, wherein the bushing (260) is formed of any one selected from the group consisting of Teflon, Polyimide, Rulon, Bakelite and Ceramic, wherein a gap (261) of a width of the tenter unit is formed.