CN117681425A - Wire nozzle device suitable for reducing winding friction damage by hot melting method - Google Patents
Wire nozzle device suitable for reducing winding friction damage by hot melting method Download PDFInfo
- Publication number
- CN117681425A CN117681425A CN202311748758.9A CN202311748758A CN117681425A CN 117681425 A CN117681425 A CN 117681425A CN 202311748758 A CN202311748758 A CN 202311748758A CN 117681425 A CN117681425 A CN 117681425A
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- Prior art keywords
- yarn
- roller
- supporting
- transverse
- limiting block
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- 238000004804 winding Methods 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000002844 melting Methods 0.000 title claims abstract description 11
- 230000008018 melting Effects 0.000 title claims abstract description 10
- 238000005096 rolling process Methods 0.000 claims abstract description 15
- 230000008569 process Effects 0.000 claims abstract description 12
- 239000012943 hotmelt Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 4
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 3
- 229910000746 Structural steel Inorganic materials 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 239000011324 bead Substances 0.000 claims 2
- 239000000835 fiber Substances 0.000 abstract description 10
- 238000003892 spreading Methods 0.000 abstract description 4
- 230000007480 spreading Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004046 wet winding Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009730 filament winding Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Abstract
The invention discloses a yarn nozzle device suitable for reducing winding friction damage by a hot melting method, which comprises a transverse and longitudinal combined yarn roller assembly and limiting blocks at two adjacent ends, wherein the yarn roller assembly consists of a transverse supporting yarn roller, a longitudinal supporting yarn roller and a central rod assembly. The yarn roller assembly generates rolling friction with the hot-melting method presoaked yarn in a transverse and longitudinal rolling mode, so that fiber damage is reduced, and the grooves of the limiting blocks at the left end and the right end are beneficial to uniform yarn spreading and friction damage reduction when the fiber is wound around the core mold to reciprocate; according to the yarn nozzle device, the transverse yarn supporting roller provides the rolling cambered surface for winding the prepreg yarns in the circumferential direction, and the longitudinal yarn supporting roller provides the guiding cambered surface for winding the prepreg yarns in a small angle, so that the prepreg yarns are better attached and transited to the limiting grooves at the two ends, the fiber damage can be effectively reduced, the prepreg yarns are uniformly unfolded and wound on the core mold, the thickness consistency is ensured, and the risk of yarn breakage in the winding process is reduced.
Description
Technical Field
The invention belongs to the technical field of filament winding processing, and particularly relates to a filament nozzle device suitable for reducing winding friction damage by a hot melting method.
Background
Compared with wet winding materials, the hot-melt method prepreg yarn separating and cutting materials adopted in the prior art are harder in texture, and the slit prepreg yarn belts have certain yarn piece widths, so that the yarn piece widths are difficult to spread when a metal wire nozzle and a ceramic wire nozzle are used in conventional wet winding, the yarn spreading capacity is greatly weakened, the forming quality of products is directly influenced, and when the winding speed is increased or small-angle winding is carried out, fiber fuzzing damage is serious, and the mechanical property and the production efficiency of the products are influenced.
Therefore, a filament nozzle device with simple structure, good rigidity, low damage and high efficiency is needed.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a filament nozzle device which is suitable for reducing friction damage caused by winding by a hot melting method.
The invention provides a wire nozzle device suitable for reducing winding friction damage by a hot melting method, which comprises a base 1, a left limit block 2, a right limit block 11, a top plate 4, a center rod 5 and a yarn roller assembly 3;
the right limiting block 11 is integrally connected with the base 1;
the yarn roller assembly 3 comprises a transverse supporting yarn roller 7 and a longitudinal supporting yarn roller 8, and the transverse supporting yarn roller 7 and the longitudinal supporting yarn roller 8 are sleeved into the central rod 5 respectively; the center rod 5 is positioned in a space formed by the base 1, the left limiting block 2, the right limiting block 11 and the top plate 4;
the top plate 4 is fastened and connected with the left limiting block 2 and the base 1 through fastening screws 6.
Preferably, the left limiting block 2 and the right limiting block 11 are provided with U-shaped circular-angle grooves 10, and the central included angle of the U-shaped circular-angle grooves 10 is 50-80 degrees.
Preferably, both the crosswise support yarn roll 7 and the lengthwise support yarn roll 8 have rolling circular ring surfaces and are equal in cross section.
Preferably, the number of the transverse supporting yarn rollers 7 is 4, and the transverse supporting yarn rollers are fixedly connected between the left limiting block 2 and the right limiting block 11 in the horizontal direction through nuts 9.
Preferably, the number of the longitudinal support yarn rollers 8 is 3, and the longitudinal support yarn rollers 8 are connected between the top plate 4 and the base 1 in the vertical direction through nuts 9 and positioned in the middle of the transverse support yarn rollers 7 in the horizontal direction, and the longitudinal support yarn rollers 8 can be used after one yarn roller in the middle is removed.
Preferably, the central rod 5 is located at the spindle position of the transverse support yarn roller 7 and the longitudinal support yarn roller 8.
Preferably, the material of the transverse support yarn roller 7 and the longitudinal support yarn roller 8 is alloy structural steel.
Preferably, the base 1 is an L-shaped thick-wall flat plate with a flat surface and is provided with a through hole, and is fastened and connected with the left limiting block 2 through a fastening screw 6.
Preferably, the left limit block 2 and the right limit block 11 are respectively provided with through holes, so that the center rod 5 is respectively and fixedly connected through the nuts 9; the base 1 is provided with a mounting rod 12 which is fixedly mounted with the head of the winding machine.
Preferably, the presoaked yarn enters a yarn roller assembly surrounding area formed by the transverse supporting yarn roller 7 and the longitudinal supporting yarn roller 8 with a certain yarn piece width, the presoaked yarn is transferred to a core mold under the action of tension, and in the transfer process, the presoaked yarn and the supporting yarn roller generate rolling friction force, so that the transverse and longitudinal supporting yarn roller 7 rotates, and the kinetic energy is transferred to a deep groove ball bearing on the center rod 5;
when the silk nozzle moves back and forth left and right, the presoaked yarn is smoothly transitionally attached to the inner walls of the U-shaped fillet grooves 10 of the left limiting block 2 and the right limiting block 11 through the supporting cambered surface until being wound on the core mold;
when the winding is performed at 90 degrees in the circumferential direction, the presoaked yarns are completely attached to the cambered surface of the transverse supporting yarn roller 7 made of alloy steel, so that the width of the yarn sheet is completely unfolded, and the friction force generated by the cambered surface and the presoaked yarns is partially converted into kinetic energy for driving the center rod 5 to roll;
when the longitudinal winding is carried out, the prepreg yarn reciprocates up and down on the longitudinal yarn supporting roller 8 in the whole advancing process, when the prepreg yarn moves to the limit positions of the upper end and the lower end, the transverse yarn supporting roller 7 provides partial laminating areas to ensure the contact width of yarn sheets, and the left side limiting block 2 and the right side limiting block 11 are matched with the transverse yarn supporting roller at the moment, so that the width of the yarn sheets is clung to the inner wall of the U-shaped fillet groove 10 to the maximum extent until the prepreg yarn sheets are wound on a core mold; the friction damage of the presoaked yarn in the moving process is only rolling friction with the surface of the smooth supporting yarn roller and sliding friction of the inner wall of the U-shaped circular-angle groove 10 in smooth transition.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, through a mode of combining the transverse yarn roller and the longitudinal yarn roller, the wide fitting transition of the fiber yarn sheet during longitudinal winding and circumferential winding of the prepreg yarn is greatly improved, and the width of the yarn sheet is better transferred by utilizing the U-shaped grooves in the left and right limiting blocks.
2. According to the invention, the original sliding friction of the yarn nozzle is changed into rolling friction, so that the fiber damage degree is reduced, and the risk of yarn interruption in the winding process is greatly reduced.
3. The invention has compact structure, convenient assembly and disassembly and convenient cleaning.
4. According to the yarn nozzle device, the transverse yarn supporting roller provides the rolling cambered surface for winding the prepreg yarns in the circumferential direction, and the longitudinal yarn supporting roller provides the guiding cambered surface for winding the prepreg yarns in a small angle, so that the prepreg yarns are better attached and transited to the limiting grooves at the two ends, the fiber damage can be effectively reduced, the prepreg yarns are uniformly unfolded and wound on the core mold, the thickness consistency is ensured, and the risk of yarn breakage in the winding process is reduced.
Drawings
Other features, objects and advantages of the present invention will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
fig. 1 is a schematic view of a filament nozzle.
The figure shows:
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that variations and modifications could be made by those skilled in the art without departing from the inventive concept. These are all within the scope of the present invention.
The invention provides a wire nozzle device suitable for reducing winding friction damage by a hot melting method, which comprises a base 1, a left limiting block 2, a right limiting block 11, a top plate 4, a center rod 5, a fastening screw 6 and a yarn roller assembly 3.
As shown in fig. 1, the base 1 is an L-shaped thick-wall flat plate with a flat surface and is provided with a through hole, and is fastened and connected with the left limit block 2 through a fastening screw 6, and the right limit block 11 is integrally connected with the base 1. The top plate 4 is fixedly connected with the left limiting block 2 and the base 1 through the fastening screw 6, the left limiting block 2 and the right limiting block 11 both comprise U-shaped circular-angle grooves 10, and the central included angle of the U-shaped circular-angle grooves 10 is 50-80 degrees.
Furthermore, the invention is provided with the yarn roller assembly 3, the yarn roller assembly 3 comprises 4 transverse yarn supporting rollers 7 and 3 longitudinal yarn supporting rollers 8, the transverse yarn supporting rollers 7 are respectively sleeved into the center rod 5 and are connected with the left side limiting block 2 and the right side limiting block 11 in the horizontal direction through the nuts 9, and the purpose of supporting the two ends of the prepreg yarns and driving the prepreg yarns to roll is achieved.
Further, the longitudinal supporting yarn rollers 8 are sleeved into the central rod 5 respectively, are tightly arranged in the vertical direction with the nut 9 washer, are positioned in the middle of the transverse supporting yarn roller 7 in the horizontal direction, and jointly realize the uniformity of the prepreg yarn spreading with the horizontally arranged yarn rollers, and the longitudinal supporting yarn rollers 8 can be dismantled to form a middle yarn roller and are wound in parallel by utilizing a plurality of strands of prepreg yarns.
The transverse supporting yarn roller 7 and the longitudinal supporting yarn roller 8 are made of alloy structural steel, have smooth surfaces and wear resistance, are provided with rolling circular ring surfaces, and have equal sections.
In specific implementation, the transverse yarn supporting roller 7 provides a rolling cambered surface for winding the prepreg yarns in a circumferential direction, and the longitudinal yarn supporting roller 8 provides a guiding cambered surface for winding the prepreg yarns in a small angle, so that the prepreg yarns are better attached and transited to the limiting grooves at the two ends, fiber damage can be effectively reduced, the prepreg yarns are uniformly unfolded and wound on the core mold, thickness consistency is guaranteed, and the risk of yarn breakage in the winding process is reduced.
The working principle of the present invention will be specifically described below.
The working principle of the invention is as follows: the presoaked yarn enters a yarn roller assembly surrounding area formed by the transverse supporting yarn roller 7 and the longitudinal supporting yarn roller 8 with a certain yarn piece width, the presoaked yarn is transmitted to a core mold under the action of tension, and in the transmission process, the presoaked yarn and the supporting yarn roller generate rolling friction force, so that the transverse and longitudinal supporting yarn roller 7 rotates, the kinetic energy is transmitted to a deep groove ball bearing on the central rod 5, and the friction force between the presoaked yarn and the cambered surface of the supporting roller is further reduced; when the silk nozzle moves back and forth left and right, the presoaked yarn is smoothly transitionally attached to the inner walls of the left limiting block 2 and the right limiting block 11U-shaped fillet groove 10 through the supporting cambered surface until being wound on the core mold.
When the winding is carried out in the circumferential direction of 90 degrees, the cambered surfaces of the prepreg yarns and the transverse supporting yarn rollers 7 made of alloy steel are completely attached, so that the widths of the yarn pieces are completely unfolded, meanwhile, the friction force generated by the cambered surfaces and the prepreg yarns is partially converted into kinetic energy for driving the center rod 5 to roll, the fiber damage is further reduced, and the consistency of the widths of the yarn pieces to the thickness of the core mold is ensured.
When the longitudinal winding is at a small angle, the prepreg yarn reciprocates up and down on the longitudinal yarn supporting roller 8 in the whole advancing process, when the prepreg yarn moves to the limit positions of the upper end and the lower end, the transverse yarn supporting roller 7 provides partial attaching areas to ensure the contact width of yarn pieces, and the left side limit block 2 and the right side limit block 11 are matched with the transverse yarn supporting roller at the moment, so that the width of the yarn pieces is clung to the inner wall of the U-shaped fillet groove 10 to the maximum extent, and yarn spreading is more uniform until the yarn is wound on a core mold. The friction damage of the presoaked yarn in the moving process is only rolling friction with the surface of the smooth supporting yarn roller and sliding friction with the inner wall of the U-shaped circular-angle groove 10 in smooth transition, so that the fiber loss rate is reduced to the minimum.
In the description of the present application, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, merely to facilitate description of the present application and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a specific orientation, be configured and operated in a specific orientation, and are not to be construed as limiting the present application.
The foregoing describes specific embodiments of the present invention. It is to be understood that the invention is not limited to the particular embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without affecting the spirit of the invention. The embodiments of the present application and features in the embodiments may be combined with each other arbitrarily without conflict.
Claims (10)
1. The wire nozzle device suitable for reducing the winding friction damage of the hot melting method is characterized by comprising a base (1), a left limiting block (2), a right limiting block (11), a top plate (4), a center rod (5) and a yarn roller assembly (3);
the right limiting block (11) is integrally connected with the base (1);
the yarn roller assembly (3) comprises a transverse supporting yarn roller (7) and a longitudinal supporting yarn roller (8), and the transverse supporting yarn roller (7) and the longitudinal supporting yarn roller (8) are sleeved into the central rod (5) respectively; the center rod (5) is positioned in a space formed by surrounding the base (1), the left limiting block (2), the right limiting block (11) and the top plate (4);
the top plate (4) is tightly connected with the left limiting block (2) and the base (1) through a fastening screw (6).
2. The filament nozzle device suitable for reducing friction damage during hot melt winding according to claim 1, wherein the left side limiting block (2) and the right side limiting block (11) are provided with U-shaped circular bead grooves (10), and the central included angle of the U-shaped circular bead grooves (10) is 50-80 degrees.
3. The yarn mouth device as claimed in claim 1, characterised in that the transverse support yarn roller (7) and the longitudinal support yarn roller (8) have rolling circular surfaces and are of equal cross section.
4. The yarn mouth device for reducing hot melt winding friction damage according to claim 1, characterized in that the number of transverse support yarn rolls (7) is 4, which are fastened between the left side limit block (2) and the right side limit block (11) in the horizontal direction by means of nuts (9).
5. The yarn mouth device for reducing friction damage in hot melt winding according to claim 1, wherein the number of the longitudinal supporting yarn rollers (8) is 3, the yarn mouth device is connected between the top plate (4) and the base (1) in the vertical direction through nuts (9) and is positioned in the middle of the transverse supporting yarn rollers (7) in the horizontal direction, and the longitudinal supporting yarn rollers (8) can be used after the middle yarn roller is detached.
6. A nozzle device adapted to reduce hot melt winding friction damage according to claim 1, characterized in that the central rod (5) is located at the spindle position of the transversal support yarn roller (7) and the longitudinal support yarn roller (8).
7. The yarn mouth device as claimed in claim 1, characterised in that the material of the transverse support yarn roller (7) and the longitudinal support yarn roller (8) is an alloy structural steel.
8. The wire nozzle device suitable for reducing friction damage caused by hot melting winding according to claim 1, wherein the base (1) is an L-shaped thick-wall flat plate with a flat surface and is provided with a through hole, and the base is fixedly connected with the left limiting block (2) through a fastening screw (6).
9. The wire nozzle device suitable for reducing the winding friction damage by the hot melting method according to claim 1, wherein the left limiting block (2) and the right limiting block (11) are respectively provided with through holes, so that the center rods (5) are respectively and tightly connected through nuts (9); the base (1) is internally provided with a mounting rod (12) which is fixedly mounted with the head of the winding machine.
10. The yarn nozzle device suitable for reducing friction damage caused by hot melt winding according to claim 1, wherein the presoaked yarn enters a yarn roller assembly surrounding area consisting of a transverse supporting yarn roller (7) and a longitudinal supporting yarn roller (8) with a certain yarn piece width, the presoaked yarn is transferred onto a core mold under the action of tension, and in the transfer process, the presoaked yarn and the supporting yarn roller generate rolling friction force, so that the transverse and longitudinal supporting yarn roller (7) rotates, and the kinetic energy is transferred onto a deep groove ball bearing on a central rod (5);
when the silk nozzle moves back and forth left and right, the presoaked yarn is smoothly transitionally attached to the inner walls of the U-shaped fillet grooves (10) of the left limiting block (2) and the right limiting block (11) through the supporting cambered surface until the presoaked yarn is wound on the core mold;
when the winding is performed at 90 degrees in the circumferential direction, the presoaked yarn is completely attached to the cambered surface of the transverse supporting yarn roller (7) made of alloy steel, so that the width of the yarn sheet is completely unfolded, and the friction force generated by the cambered surface and the presoaked yarn is partially converted into kinetic energy for driving the center rod (5) to roll;
when the yarn is longitudinally wound, the presoaked yarn reciprocates up and down on the longitudinal yarn supporting roller (8) in the whole advancing process, when the presoaked yarn moves to the limit positions of the upper end and the lower end, the transverse yarn supporting roller (7) provides partial attaching areas to ensure the contact width of the yarn piece, and the left side limit block (2) and the right side limit block (11) are matched with the yarn piece at the moment, so that the width of the yarn piece is clung to the inner wall of the U-shaped fillet groove (10) to the maximum extent until the yarn piece is wound on a core mold; the friction damage of the presoaked yarn in the motion process is only rolling friction with the surface of a smooth supporting yarn roller and sliding friction with the inner wall of the U-shaped fillet groove (10) in smooth transition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311748758.9A CN117681425A (en) | 2023-12-18 | 2023-12-18 | Wire nozzle device suitable for reducing winding friction damage by hot melting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311748758.9A CN117681425A (en) | 2023-12-18 | 2023-12-18 | Wire nozzle device suitable for reducing winding friction damage by hot melting method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117681425A true CN117681425A (en) | 2024-03-12 |
Family
ID=90131678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311748758.9A Pending CN117681425A (en) | 2023-12-18 | 2023-12-18 | Wire nozzle device suitable for reducing winding friction damage by hot melting method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117681425A (en) |
-
2023
- 2023-12-18 CN CN202311748758.9A patent/CN117681425A/en active Pending
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