CN115787189A - Multidirectional-moving three-dimensional knitting yarn female-direction pattern-knot uniformity control device - Google Patents
Multidirectional-moving three-dimensional knitting yarn female-direction pattern-knot uniformity control device Download PDFInfo
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- CN115787189A CN115787189A CN202211535152.2A CN202211535152A CN115787189A CN 115787189 A CN115787189 A CN 115787189A CN 202211535152 A CN202211535152 A CN 202211535152A CN 115787189 A CN115787189 A CN 115787189A
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Abstract
The invention discloses a multidirectional-movement three-dimensional knitting yarn female pattern section uniformity control device, which comprises a lifting mechanism, a rotating mechanism and a tightening mechanism, wherein the lifting mechanism is arranged on the lower portion of a main frame; the lifting mechanism drives the tightening mechanism to move in the vertical direction, and the rotating mechanism drives the tightening mechanism to move in the circumferential direction; the tightening mechanism tightens the yarn weaving section in the bus direction; the tightening mechanism can be self-adaptive to a tightening channel when the knitting height and the radius of the yarn are changed. The invention can enable the tightening mechanism to move in the annular direction, the bus direction and the feeding direction, realizes the on-line controllability of the unit cell shape and the position and the uniform and adjustable unit cell density of the prefabricated body, and ensures the internal and external uniformity and the bus compactness of the product.
Description
Technical Field
The invention belongs to the technical field of textile machinery, and particularly relates to a multidirectional-movement three-dimensional knitting yarn female pattern-knot uniformity control device.
Background
With the continuous development of the three-dimensional weaving process, the design of weaving equipment has higher requirements, and a yarn tightening device of the three-dimensional weaving process is an indispensable device in weaving production.
Patent CN 111910340A applied by the limited company of the chinese textile science research institute discloses a three-dimensional knitting tightening device and a tightening method, which achieve tightening operation of a yarn knitting surface through the lifting motion of a tightening mechanism, but still have the problems of uneven tightening force and unstable adjustment. Therefore, a uniform and controllable three-dimensional knitting yarn pattern knot tightening device is needed, and the problems that tightening force is not uniform in three-dimensional knitting and movement adjustment is not stable are solved.
Disclosure of Invention
The invention aims to provide a three-dimensional weaving yarn pattern knot tightening device which can provide uniform, stable and controllable tightening force in the circumferential direction, the generatrix direction and the vertical direction so as to improve the internal and external uniformity and the generatrix compactness of a product.
The technical solution for realizing the purpose of the invention is as follows: a multidirectional-motion three-dimensional knitting yarn female pattern section uniformity control device comprises a lifting mechanism, a rotating mechanism and a tightening mechanism;
the lifting mechanism drives the tightening mechanism to move in the vertical direction, and the rotating mechanism drives the tightening mechanism to move in the circumferential direction; the tightening mechanism tightens the yarn weaving section in the bus direction;
the tightening mechanism is adaptive to a tightening channel when the knitting height and the radius of the yarn are changed.
Further, the lifting mechanism comprises a lifting driving device, a lifting seat and a guide post;
the lifting driving device drives the lifting seat to move up and down along the vertical direction; the guide post is used for positioning and guiding the lifting seat.
Further, the rotating mechanism comprises a rotary driving device, a gear ring and a guide device, wherein the rotary driving device comprises a rotary driving motor and a rotary transmission gear;
the rotary driving device is arranged on a lifting seat of the lifting mechanism; the rotary transmission gear is arranged on a shaft of the rotary driving motor and drives the rotary mechanism to rotate along the circumferential direction.
Further, the gear ring is fixed on the guide device, is meshed with the rotary transmission gear, and is driven by the rotary driving motor to rotate along the circumferential direction.
Furthermore, the tightening mechanism comprises a tightening rod, a tightening driving device, a yarn guide, a connecting plate, a radial driving device and a yarn guide driving device;
the radial driving device is arranged on a gear ring of the rotating mechanism; the radial driving device is provided with a connecting plate, and the connecting plate is provided with a tightening driving device and a yarn guide driving device; the tightening driving device is provided with a tightening rod, and the yarn guide driving device is provided with a yarn guide.
Furthermore, one end of the tightening rod is connected with the tightening driving device, and the other end of the tightening rod penetrates through a yarn guide channel between the yarn guides to perform tightening operation; the plane of the tightening rod is parallel to the weaving plane.
Furthermore, the upper end of the tightening driving device is connected to the connecting plate, the lower end of the tightening driving device is connected with the tightening rod, the tightening driving device is used for lifting adjustment, and the tightening rod is driven to tighten.
Furthermore, the yarn guide driving device is installed on the connecting plate, the yarn guide is installed on the yarn guide driving device, and the yarn guide driving device drives the yarn guide to move along the vertical direction.
Further, the radial driving device is mounted on the gear ring of the rotating mechanism and rotates along with the gear ring.
Furthermore, the lifting driving device drives the lifting seat to move up and down along the vertical direction, and drives the tightening mechanism to move in the vertical direction; the rotary driving motor drives the gear ring to rotate along the circumferential direction to drive the tightening mechanism to move in the circumferential direction; the radial driving device moves along the horizontal direction to control the tightening mechanism to feed in the radial direction; the tightening mechanism moves in multiple directions in the vertical direction, the circumferential direction and the bus direction.
Compared with the prior art, the invention has the remarkable advantages that: (1) The tightening device can move in the circumferential direction, the bus direction and the vertical direction, the three-dimensional weaving unit cell shape and position can be controlled on line, and the unit cell density of the prefabricated body is uniform and adjustable; (2) Provides even, stable and controllable tightening force, and improves the internal and external uniformity and the female direction compactness of the product.
Drawings
FIG. 1 is a schematic structural diagram of a multidirectional-moving three-dimensional knitting yarn female pattern-section uniformity control device of the present invention.
Fig. 2 is a schematic structural view of the tightening mechanism of the present invention.
Fig. 3 is a schematic structural diagram of a plurality of control devices uniformly distributed along the circumferential direction of the gear ring in the embodiment of the invention.
Detailed Description
The invention is described in further detail below with reference to the figures and the specific embodiments.
As shown in fig. 1, the device for controlling the uniformity of the female pattern knots of the multidirectional-moving three-dimensional knitting yarns comprises a lifting mechanism 1, a rotating mechanism 2 and a tightening mechanism 3;
the lifting mechanism 1 drives the tightening mechanism 3 to move in the vertical direction, and the rotating mechanism 2 drives the tightening mechanism 3 to move in the circumferential direction; the tightening mechanism 3 tightens the yarn knitting section in the bus direction;
the tightening mechanism 3 can be adaptive to a tightening channel when the knitting height and the radius of the yarn are changed.
Further, the lifting mechanism 1 comprises a lifting driving device 11, a lifting seat 12 and a guide column 13;
the lifting driving device 11 drives the lifting seat 12 to move up and down along the vertical direction; the guide column 13 is used for positioning and guiding the lifting seat 12.
Further, the rotating mechanism 2 includes a rotation driving device 21, a gear ring 22 and a guide device 23, wherein the rotation driving device 21 includes a rotation driving motor 211 and a rotation transmission gear 212;
the rotary driving device 21 is arranged on the lifting seat 12 of the lifting mechanism 1; the rotation transmission gear 212 is mounted on the shaft of the rotation driving motor 211 to drive the rotation mechanism 2 to rotate in the circumferential direction.
Further, the ring gear 22 is fixed to the guide 23, engaged with the rotation transmission gear 212, and driven to rotate in the circumferential direction by the rotation driving motor 211.
Further, the tightening mechanism 3 includes a tightening rod 31, a tightening driving device 32, a yarn guide 33, a connecting plate 34, a radial driving device 35, and a yarn guide driving device 36;
the radial drive means 35 is mounted on the ring gear 22 of the rotary mechanism 2; a connecting plate 34 is arranged on the radial driving device 35, and a tightening driving device 32 and a yarn guide driving device 36 are arranged on the connecting plate 34; the tightening driving device 32 is provided with a tightening rod 31, and the yarn guide driving device 36 is provided with a yarn guide 33.
Furthermore, one end of the tightening rod 31 is connected with a tightening driving device 32, and the other end of the tightening rod passes through a yarn guide channel between yarn guides 33 to perform tightening operation; the tightening rod 31 plane is parallel to the weaving plane.
Further, the upper end of the tightening driving device 32 is connected to the connecting plate 34, the lower end of the tightening driving device 32 is connected to the tightening rod 31, and the tightening driving device 32 can be adjusted in a lifting mode to drive the tightening rod 31 to perform tightening operation.
Further, the yarn guide driving device 36 is installed on the connecting plate 34, the yarn guide 33 is installed on the yarn guide driving device 36, and the yarn guide driving device 36 can drive the yarn guide 33 to move along the vertical direction.
Further, the radial driving device 35 is mounted on the gear ring 22 of the rotating mechanism 2, and can rotate with the gear ring 22.
Further, the lifting driving device 11 drives the lifting seat 12 to move vertically, so as to drive the tightening mechanism 3 to move vertically; the rotary driving motor 211 drives the gear ring 22 to rotate along the circumferential direction, and drives the tightening mechanism 3 to move in the circumferential direction; the radial driving device 35 moves along the horizontal direction to control the tightening mechanism 3 to feed in the radial direction; the tightening mechanism 3 can move in multiple directions in the vertical direction, the circumferential direction and the bus direction.
The invention is further described in detail below with reference to the drawings and specific embodiments.
Examples
The multidirectional-movement three-dimensional knitting yarn female pattern-knot uniformity control device provided by the embodiment is arranged on a top mounting seat I1, a three-dimensional knitting fabric I2 is positioned below the device, and a lifting mechanism 1 is arranged on the mounting seat I1 and drives the whole mechanism to move along the vertical direction; the rotation mechanism 2 is attached to the end of the lifting mechanism 1, and the tightening mechanism 3 is attached to the outer edge of the ring gear 22 of the rotation mechanism 2.
In the embodiment, the rotating mechanism 2 is powered by the driving device 21, and is meshed with the gear ring 22 through the transmission gear 212 to drive the mechanism to rotate circumferentially, so that the mechanism can move circumferentially at each knurl of the preform.
In this embodiment, the radial driving device 35 of the tightening mechanism 3 is mounted on the outer edge of the ring gear 22, and rotates in the axial direction of the ring gear, and the tightening driving device 32 and the yarn guide driving device 36 are mounted on the connecting plate 34.
In this embodiment, the radial driving device 35 drives the connecting plate 34 to feed in the radial direction by using an electric cylinder, so that the tightening rod 31 can move to a proper position of the knurl for tightening. The tightening process is completed by a four-bar mechanism consisting of a tightening driving device 32, a yarn guide driving device 36, a tightening rod 31 and a yarn guide 33.
As shown in fig. 2, the yarn guide 33 in this embodiment has a pointed shape at the lower end, a hollow yarn guiding channel and a rotating shaft, the yarn guide 33 is installed on the yarn guiding driving device 36, and the tightening rod 31 is respectively hinged to the lower end of the tightening driving device 32 and the rotating shaft of the yarn guide 33. The yarn guide driving device 36 and the clinch driving device 32 in this example are not limited to air cylinders. As shown in fig. 3, in order to improve the tightening efficiency, a plurality of tightening mechanisms 3 in this embodiment may be uniformly distributed along the circumferential direction of the ring gear, and a plurality of burls are tightened at the same time.
One operating condition of the present embodiment is as follows: after a certain layer of the prefabricated body is woven in a three-dimensional weaving mode, the lifting mechanism 1 is driven by the lifting driving device 11 to fall to a certain proper position, the driving device 21 drives the gear ring 22 to drive the tightening mechanism 3 to rotate to the zero position for tightening the pattern section, the radial driving device 35 and the yarn guide driving device 36 move simultaneously to position yarns at the zero position pattern section and form an opening, and at the moment, the tightening driving device 32 stretches and drives the tightening rod 31 to complete zero position pattern section tightening. After the zero-position burl is driven, the radial driving device 35, the yarn guide driving device 36 and the tightening driving device 32 are simultaneously retracted, the driving device 21 drives the gear ring 22 to rotate to the next burl, and the tightening process is repeated until the tightening lifting mechanism 1 of the burl on the layer is retracted to prepare for tightening the burl on the next layer.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and that various changes, additions and substitutions, which may be made by one of ordinary skill in the art within the scope of the present invention, are within the scope of the present invention.
Claims (10)
1. A multidirectional-movement three-dimensional knitting yarn female pattern section uniformity control device is characterized by comprising a lifting mechanism (1), a rotating mechanism (2) and a tightening mechanism (3);
the lifting mechanism (1) drives the tightening mechanism (3) to move in the vertical direction, and the rotating mechanism (2) drives the tightening mechanism (3) to move in the circumferential direction; the tightening mechanism (3) tightens the yarn knitting section in the bus direction;
the tightening mechanism (3) is adaptive to a tightening channel when the knitting height and the radius of the yarn are changed.
2. The device for controlling the evenness of the female pattern knots of the multidirectional-moving three-dimensional weaving yarns according to claim 1, wherein the lifting mechanism (1) comprises a lifting driving device (11), a lifting seat (12) and a guide column (13);
the lifting driving device (11) drives the lifting seat (12) to move up and down along the vertical direction; the guide post (13) is used for positioning and guiding the lifting seat (12).
3. The device for controlling the uniformity of female knurls of multi-directionally moving three-dimensional knitting yarns according to claim 1, wherein the rotating mechanism (2) comprises a rotating driving device (21), a gear ring (22) and a guiding device (23), wherein the rotating driving device (21) comprises a rotating driving motor (211) and a rotating transmission gear (212);
the rotary driving device (21) is arranged on a lifting seat (12) of the lifting mechanism (1); the rotary transmission gear (212) is arranged on a shaft of the rotary driving motor (211) and drives the rotary mechanism (2) to rotate along the circumferential direction.
4. The device for controlling the uniformity of female pattern knuckles in multi-directional movement of three-dimensional knitting yarns according to claim 3, wherein said ring gear (22) is fixed to said guide means (23), engaged with said rotation transmission gear (212), and driven by said rotation driving motor (211) to rotate in the circumferential direction.
5. The device for controlling the uniformity of female pattern knuckles in multidirectional movement according to claim 4, characterized in that said tightening mechanism (3) comprises a tightening rod (31), a tightening drive (32), a yarn guide (33), a connecting plate (34), a radial drive (35) and a yarn guide drive (36);
the radial drive device (35) is mounted on a gear ring (22) of the rotary mechanism (2); a connecting plate (34) is arranged on the radial driving device (35), and a tightening driving device (32) and a yarn guide driving device (36) are arranged on the connecting plate (34); the tightening driving device (32) is provided with a tightening rod (31), and the yarn guide driving device (36) is provided with a yarn guide (33).
6. The device for controlling the uniformity of female pattern knuckles in multidirectional movement according to claim 5, wherein the tightening rod (31) has one end connected to the tightening driving device (32) and the other end passing through the yarn guide channel between the yarn guides (33) for tightening operation; the plane of the tightening rod (31) is parallel to the weaving plane.
7. The device for controlling the uniformity of female pattern knuckles in multidirectional movement according to claim 5, wherein the tightening driving device (32) is connected to the connecting plate (34) at the upper end and connected to the tightening rod (31) at the lower end, and the tightening driving device (32) is adjusted in elevation to drive the tightening rod (31) to perform tightening operation.
8. The device for controlling the uniformity of female pattern knuckles in multidirectional movement according to claim 5, wherein the yarn guide driving device (36) is mounted on the connecting plate (34), the yarn guides (33) are mounted on the yarn guide driving device (36), and the yarn guide driving device (36) drives the yarn guides (33) to move along the vertical direction.
9. Device according to claim 5, characterized in that said radial drive means (35) is mounted on said toothed ring (22) of said rotation mechanism (2) and moves in rotation with said toothed ring (22).
10. The device for controlling the uniformity of female pattern knots of multidirectional-motion three-dimensional weaving yarns according to claim 5, wherein the lifting driving device (11) drives the lifting seat (12) to move up and down along the vertical direction to drive the tightening mechanism (3) to move along the vertical direction; the rotary driving motor (211) drives the gear ring (22) to rotate along the circumferential direction to drive the tightening mechanism (3) to move in the circumferential direction; the radial driving device (35) moves along the horizontal direction to control the tightening mechanism (3) to feed in the radial direction; the tightening mechanism (3) moves in multiple directions in the vertical direction, the circumferential direction and the bus direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211535152.2A CN115787189A (en) | 2022-12-02 | 2022-12-02 | Multidirectional-moving three-dimensional knitting yarn female-direction pattern-knot uniformity control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211535152.2A CN115787189A (en) | 2022-12-02 | 2022-12-02 | Multidirectional-moving three-dimensional knitting yarn female-direction pattern-knot uniformity control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115787189A true CN115787189A (en) | 2023-03-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211535152.2A Pending CN115787189A (en) | 2022-12-02 | 2022-12-02 | Multidirectional-moving three-dimensional knitting yarn female-direction pattern-knot uniformity control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115787189A (en) |
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2022
- 2022-12-02 CN CN202211535152.2A patent/CN115787189A/en active Pending
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