Hot drying oven and production line for producing fibers

Abstract

The utility model discloses a hot oven for producing fiber and a production line, the hot oven comprises a box body, a support arm and a compression bar, the first end of the support arm is fixedly connected with the box body, the compression bar is fixedly connected with the other end of the support arm far away from the first end, the outer surface of the compression bar is provided with a soft layer, and the soft layer abuts against a fiber tow to provide tightening force. And the soft layer is recessed inwards under the counter-acting force of the fiber tows. According to the utility model, fiber shaking caused by the fan in the hot drying oven can be slowed down, and the problem of uneven drafting caused by fiber shaking is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to fiber production equipment technical field, especially a kind of hot oven for producing fiber, production line. BACKGROUND

[0002] In the fiber production process, the molecular chain is gradually highly oriented by hot drawing process, and high-strength fiber is formed, so the quality of fiber product is directly affected by the degree of hot drawing process. In the process of hot drawing, the fiber is drawn and heat set by the driving of front and rear drawing rollers through the hot oven. In order to maintain the constant temperature in the box, air circulation is needed, which may cause fiber vibration, thereby increasing the divergence of fiber, and there is also the risk of uneven drawing. These problems may cause fiber to scatter and break, and reduce the quality of finished product. SUMMARY

[0003] Therefore, one of the purposes of the utility model is to provide a hot oven for producing fiber to slow down the fiber shaking caused by the fan in the hot oven and reduce the uneven drawing problem caused thereby. Another purpose of the utility model is to provide a production line for producing fiber comprising the above hot oven.

[0004] In order to achieve the above purpose, the utility model provides the following technical scheme:

[0005] A hot oven for producing fiber, comprising:

[0006] a box;

[0007] a support arm, the first end of the support arm is fixedly connected with the box;

[0008] a pressing rod, the pressing rod is fixedly connected with the other end of the support arm away from the first end, the outer surface of the pressing rod is provided with a soft layer, the soft layer is in abutment with fiber tows to provide tension, and the soft layer is inwardly recessed under the reaction force of fiber tows.

[0009] Optionally, in the above hot oven, the support arm is connected to the outer surface of the box.

[0010] Optionally, in the above hot oven, the support arm is connected above the fiber outlet of the box.

[0011] Optionally, in the above hot oven, the support arm and the box are connected by bolts.

[0012] Optionally, in the above hot oven, the pressing rod is located above the fiber tows, and the lowest position of the soft layer is 5 mm to 10 mm lower than the fiber outlet.

[0013] Optionally, in the above-mentioned heat oven, the soft layer is wrapped along the circumference of the pressing rod.

[0014] Optionally, in the above-mentioned heat oven, the soft layer is detachably connected with the pressing rod.

[0015] Optionally, in the above-mentioned heat oven, the pressing rod is detachably connected with the support arm.

[0016] Optionally, in the above-mentioned heat oven, the thickness of the soft layer is 2-3 mm.

[0017] A production line for producing fibers, comprising a heat oven for producing fibers as disclosed in any one of the above.

[0018] The heat oven provided by the utility model has the following beneficial effects:

[0019] Since the soft layer on the pressing rod abuts against the fiber tows, the soft layer provides a straightening force for straightening the fiber tows, so that the fiber shaking caused by the fan in the heat oven can be slowed down, and the uneven drawing problem caused thereby can be reduced. Meanwhile, the soft layer is inwardly recessed under the reaction force of the fiber tows, and the recess formed by the soft layer can play a bundling effect on the fiber. Through the drawing control and bundling of the fiber, the broken end phenomenon of the fiber during the heat drawing process can be reduced, the number of joints can be reduced, and the heat drawing quality of the fiber tows can be ensured. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings in the following description are only embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to the provided drawings without creative labor.

[0021] Figure 1 It is a structure schematic view of the heat oven for producing fibers according to the embodiment of the utility model;

[0022] Figure 2 It is Figure 1 the left view.

[0023] In the drawing, the mark is:

[0024] 1, pressing rod;2, support arm;3, connecting piece;4, box body;5, soft layer;6, fiber tow. DETAILED DESCRIPTION

[0025] With reference to the accompanying drawings, the technical solutions in the embodiments of the present application will be clearly and completely described below, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0026] With reference to the accompanying drawings, the technical solutions in the embodiments of the present application will be clearly and completely described below, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application. Figure 1 Figure 2 The present embodiment provides a hot oven for producing fibers, comprising a box body 4, a supporting arm 2 and a pressing rod 1, the first end of the supporting arm 2 is fixedly connected with the box body 4, the other end of the supporting arm 2 away from the first end is fixedly connected with the pressing rod 1, the outer surface of the pressing rod 1 is provided with a soft layer 5, the soft layer 5 is in abutment with fiber tows 6 to provide a tightening force, and the soft layer 5 is inwardly recessed under the reaction force of the fiber tows 6.

[0027] Since the soft layer 5 on the pressing rod 1 is in abutment with the fiber tows 6, a tightening force (or tensioning force) is provided to straighten the fiber tows 6, so that the fiber shaking caused by the fan in the hot oven can be slowed down, and the uneven drawing problem caused thereby can be reduced. Meanwhile, the soft layer 5 is inwardly recessed under the reaction force of the fiber tows 6, and the recess formed by the soft layer 5 can play a bundling effect on the fibers. Through the drawing control and bundling of the fibers, the broken end phenomenon of the fibers in the hot drawing process can be reduced, thereby reducing the number of joints and ensuring the hot drawing quality of the fiber tows 6.

[0028] It should be noted that the soft layer 5 is made of a known material, which is soft but wear-resistant, that is, the soft layer 5 is inwardly recessed under the reaction force of the fiber tows 6, but the recess formed by the soft layer 5 will not be enlarged during the drawing movement of the fiber tows 6. Moreover, when the fiber tows 6 are separated from the abutment with the soft layer 5, that is, when the external force acting on the soft layer 5 is removed, the soft layer 5 can elastically recover to a state where the surface recess disappears. The material of the soft layer 5 can be temperature-resistant silicone, ethylene-propylene rubber, fluororubber, temperature-resistant aramid cloth, etc.

[0029] With reference to the accompanying drawings, the technical solutions in the embodiments of the present application will be clearly and completely described below, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application. Figure 1 In some embodiments, the supporting arm 2 can be connected to the outer surface of the box body 4. The temperature outside the box body 4 is lower than that inside, arranging the supporting arm 2 and the pressing rod 1 outside the box body 4 can reduce the requirement for the temperature resistance of the material of the soft layer 5, and prolong the service life of the soft layer 5. Of course, when the material of the soft layer 5 has high enough temperature resistance, the supporting arm 2 and the pressing rod 1 can also be arranged inside the box body 4.

[0030] ​In some embodiments, the support arm 2 can be connected above the yarn outlet of the box 4. It is easy to understand that in the case that the support arm 2 is connected above the yarn outlet, the pressing rod 1 abuts against the fiber tow 6 from top to bottom. Of course, in other embodiments, the support arm 2 can also be connected below the yarn outlet of the box 4, at this time the pressing rod 1 abuts against the fiber tow 6 from bottom to top.

[0031] As shown in Figure 1 , during the drafting process, the fiber tow 6 coming out of the yarn outlet of the box 4 travels in the direction of arrow A, the pressing rod 1 is located above the fiber tow 6, the fiber tow 6 abuts against the lower surface of the soft layer 5, in order to make the fiber tow 6 obtain better tension, the lowest position of the soft layer 5 can be set to be 5 mm-10 mm lower than the yarn outlet, for example, the lowest position of the soft layer 5 is 8 mm lower than the yarn outlet. It should be noted that the position of the yarn outlet refers to the position where the fiber tow 6 passes out of the box 4, which can be understood as Figure 1 the position where the fiber tow 6 intersects with the outer surface of the box 4, and the lowest position of the soft layer 5 refers to the lowest position of the soft layer 5 when it is not recessed.

[0032] In order to facilitate the adjustment of the height of the pressing rod 1 relative to the yarn outlet, the support arm 2 can be connected with the box 4 by bolts. As shown in Figure 1 and Figure 2 , the outer surface of the box 4 is provided with a connecting piece 3, the connecting piece 3 is connected with the support arm 2 by bolts parallel to the pressing rod 1, loosening the bolts can make the support arm 2 rotate relative to the connecting piece 3, thereby adjusting the position of the pressing rod 1. As shown in Figure 1 , based on the state shown in Figure 1 , the clockwise rotation of the support arm 2 can raise the position of the pressing rod 1, and vice versa, the counterclockwise rotation of the support arm 2 can lower the position of the pressing rod 1.

[0033] In Figure 2 the embodiment exemplarily shown, the number of support arms 2 is set to two, and the pressing rod 1 is connected between the two support arms 2. In other embodiments, the number of support arms 2 can also be set to other values, for example, three. When the support arm 2 is set to three, the specific way can be based on the structure shown in Figure 2 , an intermediate support arm 2 is added to connect the middle part of the pressing rod 1.

[0034] In some embodiments, the soft layer 5 can be detachably connected with the pressure rod 1, so that when it is necessary to replace parts, only the soft layer 5 can be replaced. For example, the soft layer 5 is detachably connected with the pressure rod 1 through a clamp, and after the clamp is disassembled, the soft layer 5 can be detached from the pressure rod 1. In order to facilitate replacement of parts, the pressure rod 1 can be detachably connected with the support arm 2. For example, a threaded hole is arranged at an end of the pressure rod 1, and the pressure rod 1 is connected with the support arm 2 through a bolt, and after the bolt is unscrewed, the pressure rod 1 can be detached from the support arm 2.

[0035] The thickness of the soft layer 5 can be set to 2 mm-3 mm, for example, 2.5 mm. It is easy to understand that the thickness of the soft layer 5 refers to the distance from the outer surface of the soft layer 5 to the outer surface of the pressure rod 1 when the soft layer 5 is not recessed. As shown in FIG. 1, in some embodiments, the soft layer 5 can be wrapped along the circumference of the pressure rod 1, for example, the soft layer 5 can be set as a seamless sleeve, which is sleeved on the outer surface of the pressure rod 1, and when it is necessary to replace the soft layer 5, the pressure rod 1 can be pulled out of the soft layer 5. Of course, in other embodiments, the soft layer 5 can also be wrapped along the circumference of the pressure rod 1 in a non-entire circle, for example, the soft layer 5 only covers half of the side of the pressure rod 1 close to the fiber tows 6. Figure 1 In the case that the soft layer 5 is wrapped along the circumference of the pressure rod 1 in an entire circle, the pressure rod 1 can be arranged in rotational connection with the support arm 2, as shown in FIG. 2, in the process of the fiber tows 6 moving in the direction of the arrow A, the pressure rod 1 and the soft layer 5 rotate clockwise around the axis of the pressure rod 1, so that the resistance of the drawn fiber can be reduced, and the fiber tows 6 can move at a faster speed.

[0036] Figure 1 The utility model also provides a production line for producing fiber, the production line includes the heat oven for producing fiber disclosed by above-mentioned embodiment. Because the heat oven disclosed by above-mentioned embodiment has above-mentioned technical effect, the production line with the heat oven also has above-mentioned technical effect, and this text will not repeat here. Specifically, the above-mentioned production line can be the production line for producing ultra-high molecular weight polyethylene fiber.

[0037] Each embodiment in the specification is described in a progressive manner, and each embodiment focuses on the difference from other embodiments. The same or similar parts between each embodiment can be referred to each other.

[0038] Each embodiment in the specification is described in a progressive manner, and each embodiment focuses on the difference from other embodiments. The same or similar parts between each embodiment can be referred to each other.

[0039] ​The above description of disclosed embodiments enables one of ordinary skill in the art to make or use the application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein can be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A hot oven for producing fibres, characterised in that The application relates to a heat oven for producing fibers. The application relates to a heat oven for producing fibers. The application relates to a heat oven for producing fibers. The application relates to a heat oven for producing fibers.

2. The heat oven according to claim 1, characterized in that, The application relates to a heat oven for producing fibers.

3. The heat oven according to claim 2, characterized in that The application relates to a heat oven for producing fibers.

4. The heat oven according to claim 3, characterized in that The application relates to a heat oven for producing fibers.

5. The heat oven of claim 3, wherein, The application relates to a heat oven for producing fibers.

6. The heat oven of claim 1, wherein, The application relates to a heat oven for producing fibers.

7. The heat oven of claim 1, wherein, The application relates to a heat oven for producing fibers.

8. The heat oven of claim 1, wherein, The application relates to a heat oven for producing fibers.

9. The heat oven according to any one of claims 1 to 8, characterized in that The application relates to a heat oven for producing fibers.

10. A production line for producing fibres, characterised in that The application relates to a heat oven for producing fibers. The application relates to a heat oven for producing fibers. The application relates to a heat oven for producing fibers. The application relates to a heat oven for producing fibers. The application relates to a heat oven for producing fibers. The application relates to a heat oven for producing fibers. The application relates to a heat oven for producing fibers. The application relates to a heat oven for producing fibers. The application relates to a heat oven for producing fibers. The application relates to a heat oven for producing fibers. The application relates to a heat oven for producing fibers. The application relates to a heat oven for producing fibers. The application relates to a heat oven for producing fibers. The application relates to a heat oven for producing fibers. The application relates to a heat oven for producing fibers. The application relates to a heat oven for producing fibers. The application relates to a heat oven for producing fibers. The application relates to a heat oven for producing fibers. The application relates to a heat oven for producing fibers. The application relates to a heat oven for producing fibers. The application relates to a heat oven for producing fibers. The application relates to a heat oven for producing fibers. The application relates to a heat oven for producing fibers. The application relates to a heat oven for producing fibers. The application relates to a heat oven for producing fibers. The application relates to a heat oven for producing fibers. The application relates to a heat oven for producing fibers. The application relates to a heat oven for producing fibers. The application relates to a heat oven for producing fibers. The application relates to a heat oven for producing fibers. The application relates to a heat oven for producing fibers. The application relates to a heat oven for producing fibers. The application relates to a heat oven for producing fibers. The application relates to a heat oven for producing fibers. The application relates to a heat oven for producing fibers. The application relates to a heat oven for producing fibers. The application relates to a heat oven for producing fibers. The application relates to a heat oven for producing fibers. The application relates to a heat oven for producing fibers. The application relates to a heat oven for producing fibers. The application relates to a heat oven for producing fibers. The application relates to a heat oven for producing fibers. The application relates to a heat oven for producing fibers. The application relates to a heat oven for producing fibers. The application relates to a heat oven for producing fibers. The application relates to a heat oven for producing fibers. The application relates to

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