CN219010591U - Weft yarn density adjusting device - Google Patents
Weft yarn density adjusting device Download PDFInfo
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- CN219010591U CN219010591U CN202222731625.8U CN202222731625U CN219010591U CN 219010591 U CN219010591 U CN 219010591U CN 202222731625 U CN202222731625 U CN 202222731625U CN 219010591 U CN219010591 U CN 219010591U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/66—Disintegrating fibre-containing textile articles to obtain fibres for re-use
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Abstract
The utility model provides a weft yarn density adjusting device, relates to the technical field of weaving machines, and solves the technical problem that the adjustment of weft yarn density by weaving machine equipment in the prior art is unstable. The weft yarn density adjusting device comprises a curling component and a warp let-off component which are arranged at two sides of an opening part of a heald frame, wherein the curling component comprises at least two adjusting rollers and a first driving mechanism, the first driving mechanism is arranged corresponding to the adjusting rollers, and the first driving mechanism drives the adjusting rollers to move; the warp let-off assembly comprises a warp let-off roller and a second driving mechanism, and the second driving mechanism drives the warp let-off roller to move. Each regulating roller and let-off roller are independently driven, the speed difference between each regulating roller and the speed difference between the regulating roller and the let-off roller can be flexibly regulated, the speed of each roller can be well maintained, the regulation of the weft yarn density is more stable, the condition that the weft yarn density is influenced by the transmission slipping of each roller is reduced, and the warp yarn can obtain larger radial tension.
Description
Technical Field
The utility model relates to the technical field of weaving machines, in particular to a weft yarn density adjusting device.
Background
The ring loom is used as an important device for producing the bottom net of the papermaking blanket, has an irreplaceable function, the quality of the produced bottom net directly influences the quality of a finished product, and the traditional ring loom is used for controlling the density of weft yarns by matching different gears and changing different transmission ratios, so that the control of different weft yarn densities is realized. The heald frame is an important moving component of the loom, bears the opening function of warp yarns, and a plurality of warp yarns at the let-off system pass through the opening part of the heald frame and then are wound on the weft density crimping system. The warp let-off system of the traditional ring loom is generally negative type warp let-off, a warp beam friction plate is matched with a friction belt, warp yarns are pulled through a weft density crimping system, and the warp yarns are conveyed.
In the aspect of weft density control of the existing loom equipment, a coiling mechanism is uniformly controlled by a single-side gear box, and on a large-breadth loom, coiling moment is transmitted unevenly, so that uneven weft density of a banner is caused; the main transmission of the existing loom equipment is a gear box which is driven by a common motor and is complex, the power of the whole loom is output through the gear box, the adjustment is unstable, and worm wheel systems at two sides of a coiling mechanism of the existing loom equipment are open, so that the coiling is easy to slip and the weft yarn density is influenced under the condition of large force.
Moreover, the let-off mechanism of the existing loom equipment is regulated by a single-side gear box, and uneven torque transmission is easy to cause uneven let-off in the transverse direction, thereby affecting uneven transverse weft density.
Therefore, how to solve the technical problem of unstable adjustment of weft yarn density in the loom apparatus in the prior art has become an important technical problem to be solved by those skilled in the art.
Disclosure of Invention
The utility model aims to provide a weft yarn density adjusting device, which solves the technical problem that the adjustment of weft yarn density by loom equipment in the prior art is unstable. The preferred technical solutions of the technical solutions provided by the present utility model can produce a plurality of technical effects described below.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the weft yarn density adjusting device comprises a curling component and a warp let-off component which are arranged on two sides of an opening part of a heald frame, wherein the curling component comprises at least two adjusting rollers and a first driving mechanism, the first driving mechanism is arranged corresponding to the adjusting rollers, and the first driving mechanism drives the adjusting rollers to move; the warp let-off assembly comprises a warp let-off roller and a second driving mechanism, and the second driving mechanism drives the warp let-off roller to move.
Further, the first driving mechanism and the second driving mechanism are servo driving structures, the first driving mechanism is arranged on two sides of the corresponding regulating roller, and the second driving mechanism is arranged on two sides of the warp let-off roller.
Further, the two regulating rollers are provided with a first roller body and a second roller body, and warp yarns can be sequentially curled and wound on the first roller body and the second roller body after being sent out by the warp let-off roller.
Further, the curling assembly further comprises a third roller body and a tension adjusting mechanism, the third roller body is arranged between the first roller body and the second roller body, warp yarns can be curled and wound on the first roller body, the third roller body and the second roller body in sequence after being sent out by the warp let-off roller, the moving end of the tension adjusting mechanism is connected with the third roller body, and the moving end of the tension adjusting mechanism can drive the third roller body to be close to or far away from the first roller body and the second roller body.
Further, the tension adjusting mechanism is of a screw rod lifter structure, a cylinder structure or a hydraulic cylinder structure.
Further, the warp let-off machine also comprises a control component and a tension detection mechanism, wherein the tension detection mechanism, the first driving mechanism and the second driving mechanism are in communication connection with the control component, the tension detection mechanism is arranged between the warp let-off component and the curling component, and the tension detection mechanism is arranged close to the warp let-off component.
Further, the device also comprises a weft density recognition mechanism, wherein the weft density recognition mechanism is arranged close to the curling component.
Compared with the prior art, the utility model has the following beneficial effects:
according to the weft yarn density adjusting device, the curling assembly and the warp let-off assembly are arranged, the curling assembly comprises at least two adjusting rollers and the first driving mechanism, the first driving mechanism is arranged corresponding to the adjusting rollers, the first driving mechanism drives the adjusting rollers to move, the warp let-off assembly comprises the warp let-off rollers and the second driving mechanism, the second driving mechanism drives the warp let-off rollers to move, namely, the adjusting rollers and the warp let-off rollers are independently driven, the movement of the adjusting rollers and the warp let-off rollers can be respectively and independently adjusted according to the use requirement, the adjusting rollers and the warp let-off rollers can tension warp yarns, the speed difference between the adjusting rollers and the warp let-off rollers can be flexibly adjusted according to the preset weft yarn density and the tension requirement, and the speed difference between the adjusting rollers and the warp let-off rollers can be well kept.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view showing the overall structure of a weft yarn density adjusting device according to an embodiment of the present utility model;
fig. 2 is a schematic diagram of the positions of the conditioning roller and the let-off roller according to an embodiment of the present utility model.
The figure shows a 1-crimp assembly; 2-a warp let-off component; 3-adjusting rollers; 4-a first drive mechanism; 5-a warp let-off roller; 6-a second drive mechanism; 7-a first roller body; 8-a second roller body; 9-a third roller body; 10-warp yarns; 11-a tension adjustment mechanism; 12-a tension detection mechanism; 13-heald frame opening portion.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, based on the examples herein, which are within the scope of the utility model as defined by the claims, will be within the scope of the utility model as defined by the claims.
The utility model aims to provide a weft yarn density adjusting device, which solves the technical problem that the adjustment of weft yarn density by loom equipment in the prior art is unstable.
Hereinafter, embodiments will be described with reference to the drawings. Furthermore, the embodiments shown below do not limit the summary of the utility model described in the claims. The whole contents of the constitution shown in the following examples are not limited to the solution of the utility model described in the claims.
The technical scheme of the utility model is described in detail below with reference to specific examples.
Example 1:
referring to fig. 1-2, the weft yarn density adjusting device provided in this embodiment includes a curling assembly 1 and a let-off assembly 2 disposed on two sides of an opening portion 13 of a heald frame, the curling assembly 1 includes at least two adjusting rollers 3 and a first driving mechanism 4, the first driving mechanism 4 is disposed corresponding to the adjusting rollers 3, and the first driving mechanism 4 drives the adjusting rollers 3 to move, that is, the first driving mechanism 4 is in one-to-one correspondence with the adjusting rollers 3 to form independent driving; the let-off subassembly 2 includes let-off roller 5 and second actuating mechanism 6, second actuating mechanism 6 drive let-off roller 5 motion, so set up, the each dancer roll 3 of crimping subassembly 1, all dispose corresponding first actuating mechanism 4 and let-off roller 5 configuration corresponding second actuating mechanism 6 of let-off subassembly 2, in order to carry out independent drive to each dancer roll 3 and let-off roller 5, can carry out independent regulation respectively to the motion of each dancer roll 3 and let-off roller 5 according to the use needs, dancer roll 3 and let-off roller 5 can be to warp 10 tensioning, and can be according to the weft yarn density of predetermineeing and tension needs, the speed differential between each dancer roll 3 and the let-off roller 5, and can keep better to the speed of each roller, compare the unilateral speed reducer in prior art and pass through gear and worm gear unified control, make crimping subassembly 1 and let-off subassembly 2 coordinate the regulation to the weft yarn density more stable, also can reduce the condition that each roller transmission influences the weft yarn density, and can form the warp yarn density under the condition that the same with a plurality of dancer rolls 3 mutually more tension, can not form the high-stable warp yarn density in the prior art, the warp yarn density can be realized in the more stable condition, the weaving machine is more difficult to the condition, the high slipping condition is realized.
Example 2:
with reference to fig. 1-2, this embodiment further defines the structure of the weft yarn density adjusting device on the basis of embodiment 1. The weft yarn density adjusting device comprises a curling component 1 and a warp let-off component 2 which are arranged at two sides of an opening part 13 of a heald frame, wherein the curling component 1 comprises at least two adjusting rollers 3 and a first driving mechanism 4, the first driving mechanism 4 is arranged corresponding to the adjusting rollers 3, and the first driving mechanism 4 drives the adjusting rollers 3 to move; the warp let-off assembly 2 comprises a warp let-off roller 5 and a second driving mechanism 6, wherein the second driving mechanism 6 drives the warp let-off roller 5 to move. Wherein, first actuating mechanism 4 and second actuating mechanism 6 are servo drive structure, servo drive structure has splendid stability, the precision is high, and can quick response, first actuating mechanism 4 sets up in the both sides of corresponding dancer roll 3, second actuating mechanism 6 sets up in the both sides of let-off roller 5, the both ends of a dancer roll 3 all are provided with first actuating mechanism 4 and drive promptly, let-off roller 5 both ends all set up second actuating mechanism 6 and drive, can make dancer roll 3 and let-off roller 5 axial direction each position atress more even, make the banner direction let-off and to warp 10's tensioning also more even, and then make the weft yarn density of banner also more even, make the roughness that is not exempted from more optimize.
As an alternative implementation manner of the embodiment of the utility model, the two regulating rollers 3 are provided with a first roller body 7 and a second roller body 8, warp yarns 10 can be sequentially curled and wound on the first roller body 7 and the second roller body 8 after being sent out by the warp sending roller 5, the curling component 1 is arranged in parallel through the first roller body 7 and the second roller body 8, the warp yarns 10 can be respectively curled and wound on the two roller bodies, the contact length and the contact wrap angle between the warp yarns 10 and the curling component 1 can be greatly increased, the speed difference between the first roller body 7 and the second roller body 8 can be freely and flexibly changed, and the curling component 1 can tension the warp yarns 10 with larger force, so that the curling component 1 can adjust the tension of the warp yarns 10 in a larger adjusting range and adjust the tension range.
Further, the curling assembly 1 further comprises a third roller body 9 and a tension adjusting mechanism 11, the third roller body 9 is arranged between the first roller body 7 and the second roller body 8, the third roller body 9 can be used as a driven roller, warp yarns 10 can be fed out by the warp feeding roller 5 and sequentially curled and wound on the first roller body 7, the third roller body 9 and the second roller body 8, the contact length and the contact wrap angle between the warp yarns 10 and the curling assembly 1 can be greatly increased, and the curling assembly 1 can tension warp yarns 10 with larger force in the warp direction. The tension adjusting mechanism 11 can be erected at two end positions of the third roller body 9, the base of the tension adjusting mechanism 11 can be fixedly connected with the frame body of the loom, the moving end of the tension adjusting mechanism 11 is connected with the third roller body 9, the moving end of the tension adjusting mechanism 11 can drive the third roller body 9 to be close to or far away from the first roller body 7 and the second roller body 8, preferably, the moving direction of the moving end of the tension adjusting mechanism 11 can be along the front and back direction of the loom, and when the tension of the warp yarn 10 is required to be adjusted, the moving end of the tension adjusting mechanism 11 can drive the third roller body 9 to be gradually far away from the first roller body 7 and the second roller body 8, so that the third roller body 9 gradually contacts with the warp yarn 10 and moves along with the third roller body 9, the contact wrap angle and the contact length of the third roller body 9 and the warp yarn 10 are gradually increased, and the speed of the first roller body 7 and the second roller body 8 can be adjusted relative to the warp yarn 5 by the first driving mechanism 4, and the difference of the first roller body 7 and the second roller body 8 can be gradually increased to the tension of the warp yarn 10. Similarly, the moving end of the tension adjusting mechanism 11 can drive the third roller 9 to gradually approach the first roller 7 and the second roller 8, so that the contact wrap angle and the contact length between the third roller 9 and the warp 10 are gradually reduced until the third roller 9 is separated from the warp 10, the speed of the first roller 7 and the second roller 8 can be slowed down relative to the warp let-off roller 5 through the first driving mechanism 4, the speed difference between the first roller 7 and the second roller 8 is reduced, and the tension to the warp 10 can be gradually reduced. The utility model can further increase the tension adjusting range of the curling component 1 to the warp 10 by adding the third roller body 9 and the tension adjusting mechanism 11.
The first driving mechanism 4 may be disposed on one side or both sides of the third roller 9, so that the third roller 9 may obtain driving force, multiple tensioning may be performed on the warp 10 by adjusting the speed difference between the first roller 7, the second roller 8 and the third roller 9, and a transition stage may be formed by setting the third roller 9 between the first roller 7 and the second roller 8 to adjust the force of the warp 10.
Further, the tension adjusting mechanism 11 is a screw elevator structure, a cylinder structure or a hydraulic cylinder structure, that is, the tension adjusting mechanism 11 can be a motor-driven screw elevator structure, so that the position control of the third roller 9 can be more accurate and the reliability is high. Or, the tension adjusting mechanism 11 can also directly push the third roller body 9 by using a cylinder structure or a hydraulic cylinder structure, and has the advantages of simple structure, stable and convenient adjustment and use and good pressure bearing property.
As an alternative implementation manner of the embodiment of the present utility model, the weft yarn density adjusting device further includes a control component and a tension detecting mechanism 12, where the control component may include a controller, the tension detecting mechanism 12, the first driving mechanism 4 and the second driving mechanism 6 are communicatively connected with the controller of the control component, the tension detecting mechanism 12 is disposed between the let-off component 2 and the curling component 1, and the tension detecting mechanism 12 is disposed near the let-off component 2, and the tension detecting mechanism 12 may be, but is not limited to, a tension sensor, and the control component may include a controller, but may be, but is not limited to, a PLC programmable logic controller commonly used in the prior art, whose specific structure is similar to that of the prior art, and which is not repeated herein, so configured, the tension detecting mechanism 12 is capable of detecting the warp yarn 10 tension between the let-off component 2 and the curling component 1 in real time, and transmitting the detected information of the current warp yarn tension value to the control component, and the control component is capable of adjusting the speeds of the first driving mechanism 4 and the second driving mechanism 6 and the speed difference of both according to the preset warp yarn tension value and the current warp yarn tension value, so that the warp yarn density can be preset to make the warp yarn density change more uniformly.
The control assembly may include a first acquiring unit, a second acquiring unit and an adjusting unit, where the first acquiring unit is configured to acquire a current warp tension value and a current weft density value, the second acquiring unit is configured to acquire a preset warp tension value and a preset weft density value, and the adjusting unit is configured to adjust the first driving mechanism 4 of the curling assembly 1 and the second driving mechanism 6 of the let-off assembly 2 according to the current warp tension value, the current weft density value, the preset warp tension value and the preset weft density value, and the first acquiring unit, the second acquiring unit and the adjusting unit may be disposed in the controller or may be disposed independently of the controller and in communication connection. The control assembly can also comprise a man-machine interaction unit for a user to input information such as a preset tension value, a preset weft yarn density value and the like.
Further, the weft density adjusting device further comprises a weft density identifying mechanism, the weft density identifying mechanism is arranged close to the curling component 1 and is in communication connection with the control component, the weft density identifying mechanism can detect the current weft density value on the warp 10 at the front side or the rear side of the curling component 1, so that the control component can adjust the speed of the first driving mechanism 4 and the second driving mechanism 6 and the speed difference of the first driving mechanism and the second driving mechanism according to the preset weft density value and the current weft density value, and a woven product has required weft density.
The weft density recognition mechanism can be, but not limited to, a laser imaging system or a visual detection structure, and can directly shoot and image a product to obtain a weft density value, or the weft density recognition mechanism can also be an arithmetic unit, and the arithmetic unit can be in communication connection with the control component, and can directly calculate to obtain the current weft density value according to the current warp tension value, the speeds of the first driving mechanism 4 and the second driving mechanism 6, the speed difference between the first driving mechanism and the second driving mechanism, the threading speed of weft, and even the radial sizes of warp 10 and weft, and the weft density recognition mechanism can be selected according to actual needs.
In the description of the present utility model, it is to be noted that, unless otherwise indicated, the meaning of "plurality" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model can be understood as appropriate by those of ordinary skill in the art.
The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.
Claims (7)
1. The weft yarn density adjusting device is characterized by comprising a curling component (1) and a warp let-off component (2) which are arranged at two sides of an opening part (13) of a heald frame, wherein the curling component (1) comprises at least two adjusting rollers (3) and a first driving mechanism (4), the first driving mechanism (4) is arranged corresponding to the adjusting rollers (3), and the first driving mechanism (4) drives the adjusting rollers (3) to move; the warp let-off assembly (2) comprises a warp let-off roller (5) and a second driving mechanism (6), and the second driving mechanism (6) drives the warp let-off roller (5) to move.
2. Weft yarn density adjusting device according to claim 1, characterized in that the first driving mechanism (4) and the second driving mechanism (6) are servo driving structures, the first driving mechanism (4) is arranged at both sides of the corresponding adjusting roller (3), and the second driving mechanism (6) is arranged at both sides of the let-off roller (5).
3. Weft yarn density adjusting device according to claim 1, characterized in that the adjusting roller (3) is provided with two, denoted as a first roller body (7) and a second roller body (8), and that the warp yarn (10) after being fed out by the let-off roller (5) can be wound around the first roller body (7) and the second roller body (8) in turn.
4. A weft yarn density adjusting device according to claim 3, characterized in that the curling component (1) further comprises a third roller body (9) and a tension adjusting mechanism (11), the third roller body (9) is arranged between the first roller body (7) and the second roller body (8), the warp yarn (10) can be curled and wound on the first roller body (7), the third roller body (9) and the second roller body (8) in sequence after being sent out by the warp feeding roller (5), the moving end of the tension adjusting mechanism (11) is connected with the third roller body (9), and the moving end of the tension adjusting mechanism (11) can drive the third roller body (9) to be close to or far away from the first roller body (7) and the second roller body (8).
5. Weft yarn density adjusting device according to claim 4, characterized in that the tension adjusting mechanism (11) is a screw elevator structure, a cylinder structure or a hydraulic cylinder structure.
6. Weft yarn density adjusting device according to claim 1, characterized in that it further comprises a control assembly and a tension detecting mechanism (12), the first driving mechanism (4) and the second driving mechanism (6) being in communication with the control assembly, the tension detecting mechanism (12) being arranged between the let-off assembly (2) and the curling assembly (1), and the tension detecting mechanism (12) being arranged close to the let-off assembly (2).
7. Weft yarn density adjustment device according to claim 6, characterized in that it further comprises a weft density recognition mechanism, which is arranged close to the crimping assembly (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222731625.8U CN219010591U (en) | 2022-10-17 | 2022-10-17 | Weft yarn density adjusting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222731625.8U CN219010591U (en) | 2022-10-17 | 2022-10-17 | Weft yarn density adjusting device |
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| CN219010591U true CN219010591U (en) | 2023-05-12 |
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| CN202222731625.8U Active CN219010591U (en) | 2022-10-17 | 2022-10-17 | Weft yarn density adjusting device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115595709A (en) * | 2022-10-17 | 2023-01-13 | 四川环龙技术织物有限公司（Cn） | Weft yarn density adjusting device and method |
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2022
- 2022-10-17 CN CN202222731625.8U patent/CN219010591U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115595709A (en) * | 2022-10-17 | 2023-01-13 | 四川环龙技术织物有限公司（Cn） | Weft yarn density adjusting device and method |
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