阅读说明：本技术 一种聚乙烯纤维纺丝冷却浴槽 (Polyethylene fiber spinning cooling bath ) 是由 *** 黄兴良 贺鹏 葛兆刚 夏文 于 2018-07-17 设计创作，主要内容包括：本发明公开了一种聚乙烯纤维纺丝冷却浴槽,其槽体底部设有升降装置,槽体的一个侧壁上具有进水口,槽体上还具有出水口,槽体内靠近进水口所在侧壁的一端设置有导丝辊,槽体上还设置有辊子驱动装置,进水口的对向侧壁的顶部设置有引出辊,槽体内设置有溢流管；槽体内还设置有导流板,导流板的两侧边沿部与槽体的内壁间紧密贴合,导流板包括与进水口所在侧壁平行设置并间隙配合的竖直导流段以及与槽体的槽底平行设置并间隙配合的水平导流段,且水平导流段位于导丝辊的下方并与所述导丝辊沿竖直方向对位设置。该聚乙烯纤维纺丝冷却浴槽的工作过程中水体波动较小,水流稳定且水温分布均匀,能够有效保证聚乙烯纤维纺丝的成型效果和产品质量。(The invention discloses a polyethylene fiber spinning cooling bath, wherein a lifting device is arranged at the bottom of a bath body, a water inlet is formed in one side wall of the bath body, a water outlet is also formed in the bath body, a yarn guide roller is arranged at one end, close to the side wall where the water inlet is formed, in the bath body, a roller driving device is also arranged on the bath body, a leading-out roller is arranged at the top of the opposite side wall of the water inlet, and an overflow pipe is arranged in the bath body; still be provided with the guide plate in the cell body, closely laminate between the inner wall of the both sides border portion of guide plate and cell body, the guide plate include with water inlet place lateral wall parallel arrangement and clearance fit's vertical water conservancy diversion section and with the tank bottom parallel arrangement of cell body and clearance fit's horizontal water conservancy diversion section, and horizontal water conservancy diversion section be located the below of godet and with the godet is counterpointed along vertical direction and is set up. The polyethylene fiber spinning cooling bath has the advantages that water fluctuation is small in the working process of the polyethylene fiber spinning cooling bath, water flow is stable, water temperature is distributed uniformly, and the forming effect and the product quality of polyethylene fiber spinning can be effectively guaranteed.)

1. A polyethylene fiber spinning cooling bath is characterized in that: the device comprises a tank body and a lifting device arranged at the bottom of the tank body, wherein a water inlet is formed in one side wall of the tank body, a water outlet is also formed in the tank body, a yarn guide roller is arranged at one end, close to the side wall where the water inlet is located, in the tank body, a roller driving device matched with the yarn guide roller is also arranged on the tank body, a leading-out roller is arranged at the top of the opposite side wall of the water inlet, and an overflow pipe is arranged in the tank body along the vertical direction;

still be provided with the guide plate in the cell body, the both sides border portion of guide plate with closely laminate between the inner wall of cell body, the guide plate include with water inlet place lateral wall parallel arrangement and clearance fit's vertical water conservancy diversion section and with the tank bottom parallel arrangement of cell body and clearance fit's horizontal water conservancy diversion section, just horizontal water conservancy diversion section is located the below of godet roller and with the godet roller is along vertical direction counterpoint setting.

2. The polyethylene fiber spinning cooling bath of claim 1, wherein: the free end of the horizontal flow guide section is provided with a flow expansion section, and the clearance between the flow expansion section and the tank bottom is larger than the clearance between the horizontal flow guide section and the tank bottom.

3. The polyethylene fiber spinning cooling bath of claim 1, wherein: the diameter of the godet roller is 200 mm-800 mm.

4. The polyethylene fiber spinning cooling bath of claim 3, wherein: the end bearing of the godet roller is axially located inside the godet roller, and framework oil seals are respectively arranged at two ends of the godet roller.

5. The polyethylene fiber spinning cooling bath of claim 1, wherein: the lifting device comprises a base positioned below the tank body and two lifting rods arranged between the tank body and the base in a crossed manner, the middle parts of the two lifting rods are hinged, and pulleys matched with the bottom of the tank body or the top of the base are respectively arranged at the end parts of the lifting rods;

the lifting device also comprises a hydraulic cylinder which can be telescopically connected between the two lifting rods along the vertical direction and a hydraulic pump matched with the hydraulic cylinder.

6. The polyethylene fiber spinning cooling bath of claim 5, wherein: the bottom of cell body and the top of base all be provided with the guide rail of pulley adaptation.

7. The polyethylene fiber spinning cooling bath of claim 6, wherein: the pulley includes two wheel bodies along the horizontal direction counterpoint setting, two the wheel body is along vertical direction from top to bottom interval crescent, just the width of guide rail is along vertical direction from top to bottom crescent.

8. The polyethylene fiber spinning cooling bath of claim 1, wherein: the roller driving device comprises a motor positioned outside the side wall where the water inlet is positioned and a transmission belt connected between the motor and the godet roller.

9. The polyethylene fiber spinning cooling bath of claim 1, wherein: the top of cell body is provided with the auxiliary roller, just the auxiliary roller is located along spinning moving direction the godet roller with draw forth between the roller.

Technical Field

The invention relates to the technical field of polyethylene fiber spinning cooling forming equipment, in particular to a polyethylene fiber spinning cooling bath.

Background

The high-modulus high-strength polyethylene fiber has the advantages of high strength, high modulus, high orientation, light weight, impact resistance, high dielectric property and the like, and plays a very important role in the fields of modern war, aerospace, sea defense, weaponry and the like; meanwhile, the fiber has wide application prospect in the fields of automobiles, ships, rope nets, medical instruments, sports equipment and the like.

The production of high-modulus high-strength polyethylene fibre is generally made up by using jelly glue spinning technology, and is characterized by that the polyethylene and proper solvent are made into spinning melt, then the spinning melt is passed through the processes of spinning and cooling to obtain jelly glue yarn, then the solvent is removed by adopting extraction process, and then the high-modulus high-strength polyethylene fibre is obtained through the processes of heating and drafting. The cooling process is to introduce the spinning solution extruded from the spinning manifold into a cooling water tank to solidify into gel yarn, so that the polyethylene macromolecules with ultrahigh molecular weight keep a non-entanglement state along the fiber axis direction, and thus, each cooled process parameter has a great influence on the formation of the gel yarn and the quality of finished fibers. Traditional gel silk cooling trough, the structure is comparatively simple, when lasting refrigerated water circulation, because the water distribution board edge leakage leads to the surface of water to have great fluctuation, the unstable phenomenon of the uneven rivers of appearance temperature leads to the gel silk quality to reduce to influence final polyethylene fiber spinning's shaping effect and product quality.

Therefore, how to avoid the phenomena of water fluctuation and uneven water temperature and unstable water flow caused by the side leakage of the water distribution plate in the polyethylene fiber spinning cooling bath to ensure the forming effect and the product quality of the polyethylene fiber spinning is an important technical problem to be solved by technical personnel in the field at present.

Disclosure of Invention

The invention aims to provide a polyethylene fiber spinning cooling bath which has the advantages of small water fluctuation, stable water flow and uniform water temperature distribution in the working process, and can effectively ensure the forming effect and the product quality of polyethylene fiber spinning.

In order to solve the technical problems, the invention provides a polyethylene fiber spinning cooling bath, which comprises a bath body and a lifting device arranged at the bottom of the bath body, wherein a water inlet is formed in one side wall of the bath body, a water outlet is also formed in the bath body, a yarn guide roller is arranged at one end, close to the side wall where the water inlet is located, in the bath body, a roller driving device matched with the yarn guide roller is also arranged on the bath body, a leading-out roller is arranged at the top of the opposite side wall of the water inlet, and an overflow pipe is arranged in the bath body along the vertical direction;

still be provided with the guide plate in the cell body, the both sides border portion of guide plate with closely laminate between the inner wall of cell body, the guide plate include with water inlet place lateral wall parallel arrangement and clearance fit's vertical water conservancy diversion section and with the tank bottom parallel arrangement of cell body and clearance fit's horizontal water conservancy diversion section, just horizontal water conservancy diversion section is located the below of godet roller and with the godet roller is along vertical direction counterpoint setting.

Preferably, the free end of the horizontal flow guide section is provided with a flow expansion section, and the gap between the flow expansion section and the tank bottom is larger than the gap between the horizontal flow guide section and the tank bottom.

Preferably, the diameter of the godet roller is 200mm to 800 mm.

Preferably, the end bearing of godet is located along the axial the inside of godet, just the both ends of godet are provided with the skeleton oil blanket respectively.

Preferably, the lifting device comprises a base located below the tank body and two lifting rods arranged between the tank body and the base in a crossed manner, the middle parts of the two lifting rods are hinged, and pulleys matched with the bottom of the tank body or the top of the base are respectively arranged at the end parts of the lifting rods;

the lifting device also comprises a hydraulic cylinder which can be telescopically connected between the two lifting rods along the vertical direction and a hydraulic pump matched with the hydraulic cylinder.

Preferably, the bottom of the groove body and the top of the base are both provided with guide rails matched with the pulleys.

Preferably, the pulley includes two wheels that set up along the horizontal direction counterpoint, two the wheel body is along vertical direction from the top to the bottom interval crescent, just the width of guide rail is along vertical direction from the top to the bottom crescent.

Preferably, the roller driving means includes a motor located outside the sidewall where the water inlet is located and a driving belt connected between the motor and the godet roller.

Preferably, the top of cell body is provided with the auxiliary roller, just the auxiliary roller is located along spinning moving direction the godet with between the draw-off roller.

Compared with the background technology, the polyethylene fiber spinning cooling bath provided by the invention has the advantages that in the working process, the water flow led into the bath body from the water inlet is directly guided to the lower part of the yarn guide roller along the gaps among the guide plate, the side wall of the bath body and the bottom of the bath body, the water fluctuation generated after the water flow is directly led into the bath body at a higher position and converged with the existing water body in the bath body is effectively avoided, meanwhile, because the edge parts at two sides of the guide plate are tightly attached to the inner wall of the bath body to form a closed structure, the water body side leakage phenomenon at the side part of the guide plate is effectively avoided, the water flow input from the water inlet can be stably and continuously led into the bath body, the new and old water bodies in the bath body are fully mixed and then are in contact with the fiber spinning led out from the yarn guide roller, the uniform and constant temperature and stable and continuous water flow of the water body in contact with the fiber spinning, and the processing efficiency is correspondingly improved.

In another preferred embodiment of the present invention, the free end of the horizontal flow guiding section has a flow expansion section, and a gap between the flow expansion section and the tank bottom is larger than a gap between the horizontal flow guiding section and the tank bottom. This expand class section can make by the vertical water conservancy diversion section in upper reaches and the rivers that horizontal water conservancy diversion section department lets in can obtain abundant release and stationary flow when getting into the interior main body space of cell body, effectively improves the initial area of contact of new and old water in the cell body, guarantees that new and old water can mix fast more high-efficiently to further avoid leading to the adverse effect that produces the product quality of fibre spinning because of rivers are unstable or the temperature is uneven.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic view of an assembly structure of a polyethylene fiber spinning cooling bath according to an embodiment of the present invention.

Detailed Description

The core of the invention is to provide a polyethylene fiber spinning cooling bath, which has small water fluctuation, stable water flow and uniform water temperature distribution in the working process and can effectively ensure the forming effect and the product quality of polyethylene fiber spinning.

In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1, fig. 1 is a schematic view illustrating an assembly structure of a polyethylene fiber spinning cooling bath according to an embodiment of the present invention.

In a specific embodiment, the polyethylene fiber spinning cooling bath provided by the invention comprises a bath body 11 and a lifting device arranged at the bottom of the bath body 11, wherein a water inlet 111 is formed in one side wall of the bath body 11, a water outlet is also formed in the bath body 11, a godet roller 12 is arranged at one end, close to the side wall where the water inlet 111 is located, in the bath body 11, a roller driving device matched with the godet roller 12 is further arranged on the bath body 11, a leading-out roller 113 is arranged at the top of the opposite side wall of the water inlet 111, and an overflow pipe 114 is arranged in the bath body 11 along the vertical direction; still be provided with guide plate 13 in the cell body 11, closely laminate between the inner wall of cell body 11 at the both sides border portion of guide plate 13, guide plate 13 include with water inlet 111 place lateral wall parallel arrangement and clearance fit's vertical water conservancy diversion section 131 and with the cell bottom parallel arrangement of cell body 11 and clearance fit's horizontal water conservancy diversion section 132, and horizontal water conservancy diversion section 132 is located godet 12's below and along vertical direction counterpoint the setting with godet 12.

In the working process, the water flow introduced into the tank body 11 from the water inlet 111 is directly guided to the lower part of the godet roller 12 along the gaps between the guide plate 13 and the side wall and the tank bottom of the tank body 11, thereby effectively avoiding the water fluctuation generated after the water flow is directly introduced at a higher position and converged with the existing water in the tank body 11, simultaneously, because the edge parts at two sides of the guide plate 13 are tightly attached to the inner wall of the tank body 11 to form a closed structure, effectively avoiding the water body side leakage phenomenon at the side part of the guide plate 13, ensuring that the water flow input at the water inlet 111 can be stably and continuously introduced into the tank body 11, ensuring that the new and old water bodies in the tank body 11 are fully mixed and then contacted with the fiber spinning guided out from the godet roller 12, further effectively ensuring the uniform and constant temperature and stable and continuous water flow of the water body contacted with the fiber spinning, and further effectively improving, and the processing efficiency is correspondingly improved.

It should be noted that, in the actual operation of the device, the specific position of the fiber spinning can be directly referred to as the dotted line in fig. 1, that is, the fiber spinning is input from above between the side wall where the water inlet 111 is located and the godet, then contacts with the godet 12 and fully contacts with the water in the tank 11 while being guided by the godet 12 and rolling around the peripheral wall of the godet 12 in a proper circumferential direction, and is cooled, then keeps contacting with the water and is continuously cooled until the fiber spinning moves to the side wall at the other end of the tank 11 and is lifted out of the water surface, and then is rolled by the draw-off roller 113 for the subsequent process operation.

In addition, in the operation process of the equipment, the liquid level height of the water body in the tank body 11 can be adjusted by adjusting the effective height of the overflow pipe 114 so as to meet the fiber spinning cooling requirements under different working conditions, and in actual operation, the effective height of the overflow pipe 114 is not limited to that shown in the figure, and in principle, the effective height can be any height that can meet the actual use requirements of the polyethylene fiber spinning cooling bath.

Further, the free end of the horizontal flow guiding section 132 is provided with a flow expanding section 133, and a gap between the flow expanding section 133 and the bottom of the tank body 11 is larger than a gap between the horizontal flow guiding section 132 and the bottom of the tank body 11. This expand class 133 can make the rivers that let in by vertical water conservancy diversion section 131 in the upper reaches and horizontal water conservancy diversion section 132 department can obtain abundant release and stationary flow when getting into the interior main body space of cell body 11, effectively alleviates the rivers pressure of guide plate 13's output, improves the initial area of contact of new and old water in the cell body 11, guarantees that new and old water can mix fast high-efficiently more to further avoid leading to the adverse effect that produces the product quality of fibre spinning because of rivers are unstable or the temperature is uneven.

It should be further noted that, in practical applications, the flow expansion section 133 is not limited to the straight-line section inclined bending structure shown in the drawing, and may also adopt a straight-line section and arc transition structure or directly adopt an integral arc section flow expansion guide structure to meet the flow guiding and stabilizing effects under different working conditions, and of course, the specific structural form of the flow expansion section 133 also needs to be flexibly adjusted by a worker according to the actual product production and processing requirements, and in principle, any one of the flow expansion section 133 can meet the actual use requirements of the polyethylene fiber spinning cooling bath.

Specifically, the diameter of the godet roll 12 is 200mm to 800 mm. Compared with the common godet roller diameter size of 40 mm-80 mm in the prior art, the diameter size is obviously increased, so that the angular speed of the godet roller 12 in the rotating process can be effectively reduced under the condition of certain linear speed, the running speed of the godet roller 12 and related components is obviously reduced, the polyethylene fiber gel yarns are more uniformly formed, and the cooling forming effect of final polyethylene fiber spinning is better.

Of course, the diameter of the godet roll 12 is not limited to 200mm to 800mm, and in fact, the diameter of the godet roll 12 is in the range of 400mm to 800mm, so that the polyethylene fiber gel wire is formed with the best uniformity and the best forming effect; in addition, in practical application, roller structures with other diameters can be selected, but in principle, the godet roller 12 can be ensured to have a larger diameter so as to ensure the final fiber spinning forming effect and the product quality.

More specifically, end bearings of godet 12 are located inside godet 12 in the axial direction, and both ends of godet 12 are provided with skeleton oil seals 121, respectively. Due to the adoption of the godet 12 with a large-diameter structure, the end part of the godet 12 is provided with a sufficient assembly space to assemble the bearing in the godet 12, the end part structure of the godet 12 is effectively sealed by using the framework oil seal 121, the phenomenon of bearing motion retardation or structural damage caused by long-term operation of the end part bearing in water is avoided, the end part bearing is ensured to be capable of meeting the long-time stable operation under the continuous working condition, and the whole operation reliability and fatigue strength of the polyethylene fiber spinning cooling bath tank are correspondingly improved.

On the other hand, the lifting device comprises a base 21 positioned below the tank body 11 and two lifting rods 22 arranged between the tank body 11 and the base 21 in a crossed manner, the middle parts of the two lifting rods 22 are hinged, and the end parts of the lifting rods 22 are respectively provided with a pulley 221 matched with the bottom of the tank body 11 or the top of the base 21; the lifting device further comprises a hydraulic cylinder 23 telescopically connected in the vertical direction between the two lifting rods 22 and a hydraulic pump 231 cooperating with the hydraulic cylinder 23. This kind of cross arrangement and middle part articulated assembly structure can make and form scissors formula link gear between two lifter 22, in the actual operation, utilize hydraulic pump 231 drive pneumatic cylinder 23 extension or shorten, in order to drive the corresponding change of cooperation contained angle between two lifter 22, and the cooperation that utilizes pulley 221 and corresponding cell body 11 bottom or base 21 top in the contained angle change process realizes the removal and the adjustment of lifter 22 tip position, thereby reach the purpose of adjusting lifter 22's vertical effective length, and then make the highly corresponding adjustment of cell body 11, in order to satisfy the high demand of cell body 11 operation under the different operating modes.

Further, the bottom of the tank body 11 and the top of the base 21 are provided with guide rails 24 adapted to the pulleys 221. By utilizing the adaptive relationship between the guide rail 24 and the pulley 221, the motion track of the pulley 221 is ensured within a reasonable range, and the dislocation or damage of the trough body 11 or other main body components caused by the looseness or dislocation of the pulley 221 in the process of adjusting the equipment is avoided, so that the operation reliability and the operation stability of the polyethylene fiber spinning cooling bath are further ensured. Meanwhile, compared with a structure which is formed by directly contacting and matching the bottom of the groove body 11 or the top surface of the base 21 by using a rolling bearing in the prior art, the movable mechanism formed by matching the pulley 221 and the guide rail 24 has good motion tracking performance, the pulley 221 and the guide rail 24 are in line contact, the influence of an irregular shape of a matching surface in a relative motion process between the two is small, and the phenomenon of abnormal bump or vibration dislocation caused by the uneven contact surface in the surface contact rolling matching structure in the prior art is not easy to occur.

More specifically, the pulley 221 includes two wheels (not shown) aligned in the horizontal direction, the distance between the two wheels increases gradually from the top end to the bottom end of the two wheels along the vertical direction, and the width of the guide rail 24 increases gradually from the top end to the bottom end of the guide rail along the vertical direction. The above-mentioned wheel body fitting structure and the structure of the guide rail 24 can be intuitively understood as follows: as shown in fig. 1, the cross section of the pulley 221 and the guide rail 24 in the direction perpendicular to the paper surface is trapezoidal, and the length of the upper base of the trapezoidal cross section is smaller than the length of the lower base thereof. This kind of trapezoidal cross-section structure of width under the narrow top helps further optimizing the cooperation structural stress distribution between pulley 221 and guide rail 24 to guarantee the normal contact slip adaptation between pulley 221 and guide rail 24, avoid the tip of lifter 22 to take place the dislocation or drop, guarantee the overall structure intensity of polyethylene fiber spinning cooling bath, so that the product quality of polyethylene fiber spinning obtains corresponding guarantee.

In addition, in general, the water outlet is generally disposed at the end of the tank bottom close to the exit roller 113 to ensure that a complete water circulation in the tank can be formed with the water inlet 111, so as to ensure that the new and old water bodies in the tank body 11 can be fully mixed without the situation that the new water is just injected into the tank and is discharged out of the tank. In practical application, in order to further optimize the assembly space at the bottom of the tank body 11 and the arrangement effect of the related pipelines, the final outlet of the water body is arranged at a position below the water inlet 111 along the vertical direction, namely, at a position marked by 112 in fig. 1, for convenience of distinguishing, the outlet is called as a water outlet 112, in practical operation, the water outlet is communicated with the water outlet 112 through a water drainage pipeline, so that the water body is smoothly discharged, the water outlet 112 and the water inlet 111 are arranged on the same side wall of the tank body 11, so that an arrangement structure which is vertically aligned and arranged up and down is formed, the water circulation effect inside the tank body 11 can be effectively ensured, the conduction efficiency and the flow stability of new and old water bodies are improved, and the corresponding fiber spinning cooling and forming effect and the product quality are ensured.

In addition, the roller driving means includes a motor 122 located outside the side wall where the water inlet 111 is located, and a driving belt 123 connected between the motor 122 and the godet roller 12. In fact, the driving belt 123 is coupled and adapted to the end bearing of the godet 12, and the specific position of the end bearing can be directly referred to the position of the frame oil seal 121 in the figure, and in the assembled state, the end bearing is located inside the frame oil seal 121 along the axial direction of the godet 12, which can be directly understood as the direction perpendicular to the paper surface of fig. 1.

Further, an auxiliary roller 115 is provided at the top of the tank 11, and the auxiliary roller 115 is located between the godet roller 12 and the draw-off roller 113 in the spinning moving direction. This auxiliary roller 115 can implement guide and arrangement of certain degree to the fibre spinning that is pulled out in by the internal water body of cell body 11 to take place the winding or knot between the fibre spinning, guarantee the fibre spinning guide effect and the rolling effect of low reaches draw-off roller 113 department, and guarantee final product quality.

In conclusion, in the polyethylene fiber spinning cooling bath provided by the invention, in the working process, the water flow which is led into the bath body from the water inlet is directly guided to the lower part of the yarn guide roller along the gaps among the guide plate, the side wall of the bath body and the bath bottom, so that the water fluctuation generated after the water flow is directly led into the bath body at a higher position and converged with the existing water body in the bath body is effectively avoided, meanwhile, because the edge parts at two sides of the guide plate are tightly attached to the inner wall of the bath body to form a closed structure, the water body side leakage phenomenon at the side part of the guide plate is effectively avoided, the water flow which is input from the water inlet can be stably and continuously led into the bath body, the new and old water bodies in the bath body are fully mixed and then are in contact with the fiber spinning which is led out from the yarn guide roller, the temperature of the water body which is in contact with the fiber spinning is effectively ensured to be, and the processing efficiency is correspondingly improved.

The polyethylene fiber spinning cooling bath provided by the invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.