阅读说明：本技术 一种涤纶丝加工用热拉伸设备 (Hot drawing equipment for processing polyester yarns ) 是由 姚东鑫 于 2019-11-05 设计创作，主要内容包括：本发明涉及涤纶丝加工技术领域,且公开了一种涤纶丝加工用热拉伸设备,包括预热箱和热拉伸箱,预热箱的内部固定安装有均流管,均流管为中空圆筒,均流管的表面开设有进风孔,进风孔设有若干个且沿着均流管的半侧面从一端的底部到另一端的顶部呈弧线分布,单个弧线上的进风孔为一组,在均流管的表面设有两组且两组进风孔以均流管的中轴呈中心对称分布。本发明通过在均流管上开设进风孔并将多组进风孔从均流管一端的底部至另一端的顶部弧线分布,使得同一组弧线上的进风孔完成对纺丝半侧面的直接吹风加热,两组对称的进风孔完成对纺丝完整的周向侧加热,纺丝在匀速通过均流管时,其表面每个点的受风量以及时间均达到同步,预热效果更加均匀。(The invention relates to the technical field of polyester yarn processing, and discloses hot drawing equipment for processing polyester yarns, which comprises a preheating box and a hot drawing box, wherein a flow equalizing pipe is fixedly arranged in the preheating box, the flow equalizing pipe is a hollow cylinder, air inlet holes are formed in the surface of the flow equalizing pipe, a plurality of air inlet holes are formed in the air inlet holes and distributed in an arc line from the bottom of one end to the top of the other end along the half side surface of the flow equalizing pipe, one group of air inlet holes are formed in a single arc line, and two groups of air inlet holes are formed in the surface of the flow equalizing pipe and are distributed in a central symmetry mode by using the central axis of the. According to the invention, the air inlet holes are formed in the flow equalizing pipe, and the plurality of groups of air inlet holes are distributed in an arc line from the bottom of one end of the flow equalizing pipe to the top of the other end of the flow equalizing pipe, so that the air inlet holes in the same group of arc lines complete the direct blowing and heating of the half side surface of the spinning, the two groups of symmetrical air inlet holes complete the complete circumferential side heating of the spinning, when the spinning passes through the flow equalizing pipe at a constant speed, the air receiving amount and time of each point on the surface of the spinning are synchronous, and the.)

1. The utility model provides a polyester yarn processing is with hot drawing equipment, includes preheating cabinet (1) and hot drawing case (2), its characterized in that: the inside fixed mounting of preheating cabinet (1) has flow equalizing pipe (3), flow equalizing pipe (3) are the cavity drum, fresh air inlet (3a) have been seted up on the surface of flow equalizing pipe (3), fresh air inlet (3a) are equipped with a plurality of and are pitch arc distribution along the half side of flow equalizing pipe (3) from the bottom of one end to the top of the other end, and fresh air inlet (3a) on the single pitch arc are a set of flow equalizing pipe (3) the surface of flow equalizing pipe (3) is equipped with two sets of and two sets of fresh air inlet (3a) and is central symmetry distribution with the axis of flow equalizing pipe (3), the top of preheating cabinet (1) is equipped with air heater (4), the air outlet of air heater (4) passes through the inlet wire end of intake pipe (5) intercommunication preheating cabinet (1), the air intake of air heater (4) is through the inner chamber of blast pipe (6) intercommunication flow equalizing pipe (3), the inside of hot drawing cabinet (2) from left to right is equipped with heating roller (, The device comprises a friction roller (8), a tensioning roller (9), a stretching roller (10) and a winding roller (11).

2. The hot drawing equipment for processing the polyester yarns as claimed in claim 1, wherein the hot drawing equipment comprises: the upper and lower ends of flow equalizing pipe (3) all are equipped with baffle (3b), two baffle (3b) divide into two independent inner chambers with the inner chamber of preheating cabinet (1) with flow equalizing pipe (3), and two sets of fresh air inlet (3a) are located two independent inner chambers respectively, the tip of intake pipe (5) is equipped with two and gives the wind gap, and two are given the wind gap and communicate two independent inner chambers respectively.

3. The hot drawing equipment for processing the polyester yarns as claimed in claim 2, wherein: the sectional area of a single air supply opening of the air inlet pipe (5) is the same as the total opening area of the single air inlet opening (3 a).

4. The hot drawing equipment for processing the polyester yarns as claimed in claim 3, wherein the hot drawing equipment comprises: the central axis of the hole of the air inlet hole (3a) is vertical to the central axis of the flow equalizing pipe (3).

5. The hot drawing equipment for processing the polyester yarns as claimed in claim 1, wherein the hot drawing equipment comprises: one end of the exhaust pipe (6) is provided with two end pipes which are respectively positioned at the upper part and the lower part of one end of the flow equalizing pipe (3) and are symmetrically distributed.

Technical Field

The invention relates to the technical field of polyester yarn processing, in particular to hot stretching equipment for polyester yarn processing.

Background

In the course of working of dacron silk, need stretch the dacron spinning, before tensile, need heat the softening to the spinning, because the spinning is being heated under the uneven condition tensile, can produce broken filament, broken end, thickness uneven phenomenon, consequently, need preheat the spinning before the heating, there is the water bath to preheat at present and hot-blast preheating two kinds of modes. Wherein, the water bath is preheated, the resistance of the water body to the surface of the spinning beam can cause damage to the spinning beam, and the preset spinning needs to be dried before passing through the oiling roller, the process is complicated, the protection to the spinning is difficult to achieve effective control, hot air is gradually used for preheating and replacing, and for the purpose of uniform heating, at present, the annular blowing treatment is mostly adopted, namely, a plurality of groups of annular air inlets are arranged on the annular tube sleeved outside the spinning, the circumferential direction of the annular tube is provided with the annular air inlets, and the spinning is blown and preheated by the air inlets, the structure, in fact, the annular tube air inlets which are closer to the air supply ports are more close, the obtained air quantity is larger, the preheating effect is better, the annular tube air inlets which are far away from the air supply ports are poorer in preheating effect, the more holes are arranged on the annular tube, the difference is more obvious, the preheating effect is poor, the spinning is also caused to generate serious, therefore, a hot stretching apparatus is proposed, aiming to solve the above problems.

Disclosure of Invention

Aiming at the defects of the existing polyester yarn hot stretching equipment in the background technology in the using process, the invention provides the polyester yarn processing hot stretching equipment which has the advantage of more uniform preheating and solves the problems in the background technology.

The invention provides the following technical scheme: the utility model provides a processing of dacron silk is with hot tensile equipment, includes preheating cabinet and hot tensile case, the inside fixed mounting of preheating cabinet has equal flow tube, equal flow tube is the cavity drum, the fresh air inlet has been seted up on the surface of equal flow tube, the fresh air inlet is equipped with a plurality of and is pitch arc distribution along the top of the semi-lateral follow one end of equal flow tube to the other end, and the fresh air inlet on the single pitch arc is a set of the surface of equal flow tube is equipped with two sets of and two sets of fresh air inlets and is central symmetric distribution with the axis of equal flow tube, the top of preheating cabinet is equipped with the air heater, the air outlet of air heater passes through the inlet wire end of intake pipe intercommunication preheating cabinet, the air intake of air heater passes through the inner chamber of blast pipe intercommunication equal flow tube, the inside of hot tensile case from left to right is equipped with warming mill, friction roller, tensioning.

Preferably, the upper end and the lower end of the flow equalizing pipe are provided with partition plates, the partition plates and the flow equalizing pipe divide the inner cavity of the preheating box into two independent inner cavities, the two groups of air inlet holes are respectively located in the two independent inner cavities, the end part of the air inlet pipe is provided with two air supply ports, and the two air supply ports are respectively communicated with the two independent inner cavities.

Preferably, the sectional area of a single air supply opening of the air inlet pipe is the same as the total area of the openings of the single air inlet hole group.

Preferably, the central axis of the hole of the air inlet hole is perpendicular to the central axis of the flow equalizing pipe.

Preferably, one end of the exhaust pipe is provided with two end pipes, and the two end pipes are respectively located at the upper part and the lower part of one end of the flow equalizing pipe and symmetrically distributed.

The invention has the following beneficial effects:

1. according to the invention, the air inlet holes are formed in the flow equalizing pipe, and the plurality of groups of air inlet holes are distributed in an arc line from the bottom of one end of the flow equalizing pipe to the top of the other end of the flow equalizing pipe, so that the air inlet holes in the same group of arc lines complete the direct blowing and heating of the half side surface of the spinning, and the two groups of symmetrical air inlet holes complete the complete circumferential side heating of the spinning, therefore, when the spinning passes through the flow equalizing pipe at a constant speed, the air receiving amount and time of each point on the surface of the spinning are synchronous, and.

2. According to the invention, the two groups of air inlet holes are independently separated by arranging the partition plate and are independently provided by the two air supply ports of the air inlet pipe respectively, so that the cavity in which each group of air inlet holes is positioned is ensured to obtain absolutely identical hot air quantity, two half side surfaces of the spinning in the flow equalizing pipe are ensured to obtain identical direct-blowing hot air quantity, and the uniformity of the preheating effect is further ensured.

3. According to the invention, the sectional area of a single air supply opening of the air inlet pipe is set to be the sum of the areas of the single air supply opening groups, so that the single air supply opening of the air inlet pipe just provides the air supply quantity required by the single air supply opening group, and each air supply opening can obtain the same air supply quantity in an independent chamber partitioned by the partition plate, thereby further ensuring the uniformity of the preheating effect.

4. According to the invention, the friction roller is additionally arranged between the tension roller and the heating roller, so that the tension force between the tension roller and the stretching roller can not be directly transmitted to the heating roller, and therefore, the condition that the spinning at the heating stage of the heating roller is softened and pulled at the same time to generate tensile deformation in advance and the control of the stretching precision between the tension roller and the stretching roller is seriously influenced is avoided.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1 in accordance with the present invention;

FIG. 3 is a cross-sectional view B-B of FIG. 1 according to the present invention.

In the figure: 1. a preheating box; 2. a hot stretching box; 3. a flow equalizing pipe; 3a, air inlet holes; 3b, a partition board; 4. a hot air blower; 5. an air inlet pipe; 6. an exhaust pipe; 7. a heating roller; 7a, auxiliary heating rollers; 8. a rubbing roller; 9. a tension roller; 10. a stretching roller; 11. and (7) winding the roller.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, a hot drawing device for processing polyester yarns comprises a preheating box 1 and a hot drawing box 2, wherein the preheating box 1 is a spinning preheating mechanism, the hot drawing box 2 is a spinning heating drawing and winding mechanism, a flow equalizing pipe 3 is fixedly installed inside the preheating box 1, spun yarns penetrate through an internal central shaft of the flow equalizing pipe 3, air inlet holes 3a are formed in the surface of the flow equalizing pipe 3, a plurality of air inlet holes 3a are arranged and distributed along a half side surface of the flow equalizing pipe 3 from the bottom of one end to the top of the other end in an arc, the air inlet holes 3a on a single arc are in one group and are arranged in two groups, and the two groups of air inlet holes 3a are symmetrically distributed with the central shaft of the flow equalizing pipe 3, therefore, the projections of the two groups of air inlet holes 3a to the central shaft of the flow equalizing pipe 3 can just cover the central shaft surface of the flow equalizing pipe 3, namely, the projections of all the air inlet holes, the hot air transmission result from the air inlet holes 3a ensures the uniformity, the upper and lower ends of the flow equalizing pipe 3 are respectively provided with a partition plate 3b, the inner cavity of the preheating box 1 is divided into a left inner cavity and a right inner cavity by the two partition plates 3b and the outer wall of the flow equalizing pipe 3, as shown in a drawing stretching box 2, wherein, two groups of air inlet holes 3a are respectively positioned in the two inner cavities, the two groups of air inlet holes 3a are respectively positioned in the two inner cavities separated by the two partition plates 3b, so that the two groups of air inlet holes 3a are independently positioned in the respective inner cavities, so as to obtain the absolutely equivalent hot air quantity, namely, the uniformity is ensured by the hot air source of the air inlet holes 3a, the top of the preheating box 1 is provided with a hot air blower 4, the air outlet of the hot air blower 4 is communicated with an air inlet pipe 5, the air inlet of the hot air blower 4 is communicated, hot air heated by a hot air blower 4 is sent into a preheating box 1 through an air inlet pipe 5, then the hot air in a flow equalizing pipe 3 is recovered through an exhaust pipe 6 to form hot air circulation, wherein the area of a single air supply opening of the air inlet pipe 5 is set to be the same as the total area of a single group of air inlet holes 3a, so that the hot air quantity sent into the flow equalizing pipe 3 in unit time of the single air supply opening of the air inlet pipe 5 just meets the air supply quantity requirement of the single group of air inlet holes 3a, each air inlet hole 3a in the single group of air inlet holes 3a can obtain the same hot air quantity, namely, the hot air quantity is approximately distributed in the hot air transfer process of the air inlet holes 3a, the uniformity is ensured in the hot air transfer process of the air inlet holes 3a, wherein, in order to ensure that the hot air quantity obtained in the transfer process of each air inlet hole 3a is slightly influenced by the position of the air inlet pipe 5, namely, in the preparation stage, the air supply amount of the air inlet pipe 5 is increased firstly, so that the total inlet and outlet amounts of the air inlet pipe 5 and the air inlet hole 3a are stabilized to be balanced after the two inner cavities in the preheating box 1 reach a certain air storage amount.

Above-mentioned, guaranteed hot-blast equivalence nature from hot-blast source, hot-blast transfer process, the hot-blast three aspect of transmission result of fresh air inlet 3a respectively to the homogeneity that spinning was heated in the guarantee flow equalizing pipe 3, compare in traditional ring blast, this device can further guarantee to preheat the homogeneity, avoids receiving for the wind gap position influence and the uneven phenomenon of preheating that leads to.

Heating roller 7, friction roller 8, tensioning roller 9, stretching roller 10 and wind-up roller 11 are arranged in the thermal stretching box 2 from left to right in proper order, auxiliary heating roller 7a is further arranged on one side of the heating roller 7, the auxiliary heating roller 7a is used for compressing the contact effect of the spinning and the heating roller 7 and assisting in heating the spinning, the spinning is convenient to heat, the tensioning roller 9 and the stretching roller 10 are in a traditional stretching mode, differential control is adopted, the friction roller 8 is additionally arranged between the tensioning roller 9 and the heating roller 7, the tensile force between the tensioning roller 9 and the stretching roller 10 is not directly transmitted to the heating roller 7, the spinning at the heating roller 7 is not pulled in the heating stage, and the stretching precision at the tensioning roller 9 and the stretching roller 10 is effectively controlled.

The heating roller 7 is used for heating spinning, the friction roller 8 is used for bearing spinning pulling force transmitted by the tension roller 9, the tension roller 9 is used for tensioning spinning, the tension roller 10 and the tension roller 9 form differential rotation for stretching spinning, and the winding roller 11 is used for winding the stretched spinning.

In order to uniformly distribute hot air blown to the spinning by the air inlet holes 3a on the spinning surface, the central axis of the hole of the air inlet holes 3a is perpendicular to the central axis of the flow equalizing pipe 3.

Wherein, the one end of blast pipe 6 is equipped with two end pipes, and two end pipes are located the upper and lower part symmetric distribution of 3 one ends of flow equalizing pipe respectively to make blast pipe 6 when retrieving the interior gas of flow equalizing pipe 3, the induced air volume to 3a of the upper and lower department's fresh air inlet of the 3 tip of flow equalizing pipe is the same, so that the influence of air current to two sets of fresh air inlet 3a in the flow equalizing pipe 3 is the same, and this influence includes induced air volume and velocity of flow.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.