CN111074420A - Spacing yarn constant tension control device of ultra-large gauge warp knitting machine - Google Patents
Spacing yarn constant tension control device of ultra-large gauge warp knitting machine Download PDFInfo
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- CN111074420A CN111074420A CN201911417392.0A CN201911417392A CN111074420A CN 111074420 A CN111074420 A CN 111074420A CN 201911417392 A CN201911417392 A CN 201911417392A CN 111074420 A CN111074420 A CN 111074420A
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- knitting machine
- warp knitting
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B27/00—Details of, or auxiliary devices incorporated in, warp knitting machines, restricted to machines of this kind
- D04B27/10—Devices for supplying, feeding, or guiding threads to needles
- D04B27/14—Thread tensioning rod arrangements
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Abstract
The invention discloses a space yarn constant tension control device of an ultra-large gauge warp knitting machine, which comprises a rack, a back tension seat arranged on the rack, a tension rod rotatably arranged on the back tension seat, and a tension spring assembly fixedly arranged on the tension rod, wherein the tension spring assembly comprises an installation rod, a positioning piece, an installation disc, a driving gear, two long connecting plates and two force spring pieces. The tension spring piece is driven to rotate to drive the driving gear to rotate, the driving gear can be driven to rotate in the rotating process of the driving gear, and the driving gear is meshed with the inner gear in the rotating process, so that the driving gear can walk around the tension rod as an axis, the mounting disc is driven to rotate, and the tension spring piece is rotated to control the tension of the yarn. In addition, when the transmission gear rotates, the driven gear rotates to drive the two extension plates to relatively slide, so that the two force spring pieces simultaneously extend outwards or retract inwards, and the yarn storage amount is adjusted.
Description
Technical Field
The invention relates to the technical field of warp knitting machines, in particular to a spacer yarn constant tension control device of a warp knitting machine with an ultra-large gauge.
Background
Chinese patent publication No. CN 108360140 a discloses a spacer yarn constant tension control mechanism of a warp knitting machine with an ultra-large gauge, belonging to the technical field of warp knitting machines. The constant tension control mechanism for the spacer yarns of the ultra-large gauge warp knitting machine is characterized in that a tension rod penetrates through a mounting hole of a back tension seat and is rotatably connected with the back tension seat, a tension spring assembly is sleeved outside the tension rod and is in transmission connection with the tension rod, the tension spring assembly comprises two tension spring pieces which are oppositely arranged, and a transmission assembly is in transmission connection with the tension rod and a servo motor respectively.
According to the spacing yarn constant tension control mechanism of the warp knitting machine with the ultra-large gauge, the servo motor is matched with the warp knitting machine to perform looping movement, so that the tightness of the yarn tension can be controlled, the yarn tension is uniform and constant, the yarn storage amount of the yarn can be controlled by adjusting the length of the tension spring assembly, the effect of being used on warp knitting machines with different gauges is achieved, the warp knitting machine can smoothly knit, the grey cloth quality is good, and the production efficiency is high.
However, in practice, it has been found that the larger the gauge, the higher the tension required and the correspondingly higher the amount of yarn stored, and therefore the constant tension control mechanism described above is still too cumbersome to adjust and requires frequent adjustment of the length of the tension spring assembly.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a spacing yarn constant tension control device of a warp knitting machine with an ultra-large gauge, which has the advantages of synchronously adjusting the tension and the yarn storage amount.
The technical purpose of the invention is realized by the following technical scheme:
the utility model provides a permanent tension controlling means of interval yarn of super large gauge warp knitting machine, includes the frame, installs the back tension seat in the frame, rotates the tension bar of installing on the back tension seat and the tension spring subassembly of fixed mounting on the tension bar, the tension spring subassembly includes:
the mounting rod is mounted on the back tension seat;
one end of the positioning piece is fixedly arranged on the mounting rod, the other end of the positioning piece is sleeved on the tension rod, and an internal gear is arranged on the positioning piece;
the mounting disc is sleeved on the tension rod, two transmission gears with the same distance with the axis of the mounting disc are mounted on the same end face of the mounting disc, and the transmission gears are meshed with the internal gear; two driven gears which are coaxial with the transmission gear and synchronously rotate are arranged on the other end face of the mounting disc;
the driving gear is fixedly arranged on the tension rod and is meshed with the two transmission gears;
the two extension plates are arranged on the end face of the mounting disc in a sliding mode, straight teeth are arranged on the end face of one end of each extension plate, the straight teeth on the two extension plates are respectively meshed with the two driven gears, and the two extension plates move relatively;
two force spring pieces are respectively and fixedly arranged on the two extension plates.
According to the arrangement, the tension spring piece is driven to rotate to drive the driving gear to rotate, the driving gear can be driven to rotate in the rotating process of the driving gear, and the driving gear is meshed with the inner gear in the rotating process, so that the driving gear can walk around the tension rod as an axis, the mounting disc is driven to rotate, and the tension spring piece is driven to rotate to control the tension of the yarn. In addition, when the transmission gear rotates, the driven gear rotates to drive the two extension plates to relatively slide, so that the two force spring pieces simultaneously extend outwards or retract inwards, and the yarn storage amount is adjusted.
More preferably: and two slideways for the extension plates to slide are arranged on the mounting plate.
So set up, realize that extension board slides to can keep the meshing with between the driven gear.
More preferably: the two sliding grooves are arranged in a splayed shape.
So set up for the yarn through tension spring assembly deviates from the center of mounting disc, thereby dodges open tension pole.
More preferably: be provided with on the terminal surface of mounting disc and inlay the groove of establishing that is used for accomodating two driven gear, the slide is including offering the spout on the mounting disc and installing the stopper on the mounting disc, the degree of depth of spout is less than 1/3 that connect the extension board width, just inlay and establish groove and spout intercommunication.
So set up, accomodate driven gear in the mounting disc to avoid it to produce the yarn and disturb, the spout degree of depth sets up simultaneously and avoids the yarn too close to the mounting disc terminal surface.
More preferably: the end face, opposite to the straight teeth, of one end of the extension plate is provided with a limiting bulge, and the limiting bulge is arranged at one end, far away from the tension spring piece, of the extension plate.
So set up, the biggest extension length of butt joint long plate is injectd, avoids the butt joint long plate to deviate from the slide.
More preferably: the edge of one end of the mounting disc, which is provided with the extension plate, is chamfered with a round angle.
So set up, reduce the yarn and the wearing and tearing that take place of installing the disc edge contact.
More preferably: the tension rod is fixedly provided with a sleeve, and the mounting disc is rotatably connected to the sleeve.
So set up, realize the sleeve at the ascending location of tension bar axial, can realize the rotation of mounting disc simultaneously and connect.
More preferably: one end of the sleeve extends outwards from the end face of one end of the mounting disc far away from the positioning piece, and a bearing is rotatably connected onto the sleeve extending out of the mounting disc.
So set up, supply the yarn contact, can avoid yarn and tension bar contact.
More preferably: and a limiting plate is arranged at the end part of the sleeve extending out of the mounting disc.
So set up, carry on spacingly to the bearing.
In conclusion, the invention has the following beneficial effects: the synchronous control of the tension and the yarn storage amount can be synchronously realized through the rotation of the tension rod.
Drawings
FIG. 1 is a schematic structural view of the present embodiment;
FIG. 2 is a first schematic view of an exploded structure of the tension spring assembly of the present embodiment;
FIG. 3 is a schematic diagram of an exploded structure of the tension spring assembly in this embodiment
Fig. 4 is a front view of the tension spring assembly in this embodiment.
In the figure, 100, a rack; 200. a back tension seat; 300. a tension bar; 400. a tension spring assembly; 410. mounting a disc; 411. a transmission gear; 412. a chute; 413. a limiting block; 420. a drive gear; 430. a positioning member; 440. an internal gear; 450. a lengthening plate; 451. straight teeth; 452. a limiting bulge; 460. a tension spring piece; 500. a driven wheel; 610. a gear groove; 620. a gear boss; 700. a driven gear; 800. mounting a rod; 900. a sleeve; 910. a bearing; 920. and a limiting plate.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
A spacing yarn constant tension control device of a warp knitting machine with an ultra-large gauge, as shown in fig. 1, comprises a frame 100, a back tension seat 200, a tension rod 300 and a tension spring assembly 400, wherein the back tension seat 200 is fixedly installed on the frame 100, the tension rod 300 is rotatably installed on the back tension seat 200, a driven wheel 500 is fixedly installed on the tension rod 300, the driven wheel 500 is driven to drive the tension rod 300 to rotate, wherein the driving mode of the driven wheel 500 is disclosed in the prior art, and is not specifically described in the embodiment.
Referring to fig. 1 and 2, the tension spring assembly 400 includes a mounting plate 410, a driving gear 420, a positioning member 430, a mounting rod 800, an extension plate 450 and a tension spring piece 460, the mounting rod 800 is fixedly mounted on the counter tension base 200, one end of the positioning member 430 is fixedly mounted on the mounting rod 800, the other end is sleeved on the tension rod 300, and an internal gear 440 is disposed on the positioning member 430.
Referring to fig. 3, a sleeve 900 is fixedly installed on the tension rod 300, and the mounting plate 410 is rotatably connected to the sleeve 900. The mounting plate 410 is circular and is fixedly mounted on the tension rod 300, two transmission gears 411 are mounted on the same end surface of the mounting plate 410, and the distances between the two transmission gears 411 and the axis of the mounting plate 410 are the same.
Referring to fig. 2 and 3, both transmission gears 411 are engaged with the internal gear 440, the driving gear 420 is fixedly installed on the tension rod 300, and the driving gear 420 is located inside the internal gear 440 and engaged with both transmission gears 411.
One end of the sleeve 900 extends outwards from the end face of the mounting plate 410, which is far away from the positioning element 430, the sleeve 900 extending out of the mounting plate 410 is rotatably connected with a bearing 910, and a limiting plate 920 is arranged at the end of the sleeve 900 extending out of the mounting plate 410.
Referring to fig. 3 and 4, two embedded grooves are formed in the other end surface of the mounting plate 410, two driven gears 700 are respectively installed in the two embedded grooves, and the two driven gears 700 are respectively arranged coaxially with the two transmission gears 411, so that the transmission gears 411 can drive the driven gears 700 to synchronously rotate in a dedicated manner.
Two slide ways are arranged on the end face of one end of the mounting disc 410, which is provided with the driven gear 700, and the two slide ways are arranged in a splayed shape. The slide includes spout 412 and stopper 413, and the lateral wall of mounting disc 410 is all run through at the both ends of spout 412, and inlays and establish groove and spout 412 intercommunication, makes during tooth on the driven gear 700 stretches into spout 412, has the fillet at the one end terminal surface edge that mounting disc 410 was provided with spout 412.
The extension plate 450 is slidably mounted on the sliding groove 412, and the depth of the sliding groove 412 is less than 1/3 of the width of the extension plate 450, in this embodiment, the depth of the sliding groove 412 is 1/4 of the width of the extension plate 450.
The limiting block 413 is of a C-shaped structure, the opening end of the limiting block 413 is fixedly mounted on the end face of the mounting disc 410, and the groove width of the limiting block 413 is the same as the thickness of the extension plate 450, so that the extension plate 450 can stably slide on the slide way.
A stopper projection 452 is fixed to one end of the extension plate 450, and a straight tooth 451 is provided on an end surface of the stopper projection 452, and the straight tooth 451 engages with the driven gear 700.
The two tension spring pieces 460 are respectively fixedly installed on the two extension plates 450.
The working principle is as follows:
when tension needs to be adjusted, the driven wheel 500 rotates to drive the tension rod 300 to rotate, the tension rod 300 rotates to drive the driving gear 420 to rotate, the two transmission gears 411 are driven to walk on the inner gear 440, the two transmission gears 411 walk to drive the mounting disc 410 to rotate, and therefore the two tension spring pieces 460 are driven to rotate, and tightness of the tension of the yarn can be controlled.
Meanwhile, as the transmission gear 411 also rotates during walking, the driven gear 700 also rotates, and the driven gear 700 is meshed with the straight teeth 451 to drive the extension plate 450 to slide, so that the two force spring pieces 460 simultaneously extend outwards or retract inwards.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (9)
1. The utility model provides a permanent tension controlling means of interval yarn of super large gauge warp knitting machine, includes frame (100), installs back tension seat (200) on frame (100), rotates tension bar (300) of installing on back tension seat (200) and fixed mounting tension spring subassembly (400) on tension bar (300), characterized by, tension spring subassembly (400) include:
a mounting rod (800) mounted on the back tension seat (200);
one end of the positioning piece (430) is fixedly arranged on the mounting rod (800), the other end of the positioning piece is sleeved on the tension rod (300), and an internal gear (440) is arranged on the positioning piece (430);
the mounting disc (410) is sleeved on the tension rod (300), two transmission gears (411) with the same distance with the axis of the mounting disc (410) are mounted on the same end face of the mounting disc (410), and the transmission gears (411) are meshed with the inner gear (440); two driven gears (700) which are coaxial with the transmission gear (411) and synchronously rotate are arranged on the other end face of the mounting disc (410);
the driving gear (420) is fixedly arranged on the tension rod (300) and is meshed with the two transmission gears (411);
the two extension plates (450) are slidably mounted on the end face of the mounting disc (410), straight teeth (451) are arranged on the end face of one end of each extension plate (450), the straight teeth (451) on the two extension plates (450) are respectively meshed with the two driven gears (700), and the two extension plates (450) move relatively;
two force spring pieces (460) are fixedly mounted on the two extension plates (450), respectively.
2. The spacer yarn constant tension control device of the ultra-large gauge warp knitting machine according to claim 1, characterized in that: two slideways for the extension plates (450) to slide are arranged on the mounting plate (410).
3. The spacer yarn constant tension control device of the ultra-large gauge warp knitting machine according to claim 2, characterized in that: the two sliding grooves (412) are arranged in a splayed shape.
4. The spacer yarn constant tension control device of the ultra-large gauge warp knitting machine according to claim 3, characterized in that: be provided with the groove of establishing that inlays that is used for accomodating two driven gear (700) on the terminal surface of mounting disc (410), the slide is including seting up spout (412) on mounting disc (410) and installing stopper (413) on mounting disc (410), the degree of depth of spout (412) is less than 1/3 of extension board (450) width, just the groove is established in the inlay and spout (412) intercommunication.
5. The spacer yarn constant tension control device of the ultra-large gauge warp knitting machine according to claim 4, characterized in that: the end face, opposite to the straight tooth (451), of one end of the extension plate (450) is provided with a limiting protrusion (452), and the limiting protrusion (452) is arranged at one end, far away from the tension spring piece (460), of the extension plate (450).
6. The spacer yarn constant tension control device of the ultra-large gauge warp knitting machine according to claim 1, characterized in that: the edge of one end of the mounting disc (410) provided with the extension plate (450) is rounded.
7. The spacer yarn constant tension control device of the ultra-large gauge warp knitting machine according to claim 1, characterized in that: the tension rod (300) is fixedly provided with a sleeve (900), and the mounting disc (410) is rotatably connected to the sleeve (900).
8. The spacer yarn constant tension control device of the ultra-large gauge warp knitting machine according to claim 7, characterized in that: one end of the sleeve (900) extends out of the end face of one end of the mounting disc (410) far away from the positioning piece (430), and a bearing (910) is connected to the sleeve (900) extending out of the mounting disc (410) in a rotating mode.
9. The spacer yarn constant tension control device of the ultra-large gauge warp knitting machine according to claim 7 or 8, characterized in that: and a limiting plate (920) is arranged at the end part of the sleeve (900) extending out of the mounting disc (410).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911417392.0A CN111074420B (en) | 2019-12-31 | 2019-12-31 | Spacing yarn constant tension control device of ultra-large gauge warp knitting machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911417392.0A CN111074420B (en) | 2019-12-31 | 2019-12-31 | Spacing yarn constant tension control device of ultra-large gauge warp knitting machine |
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| Publication Number | Publication Date |
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| CN111074420A true CN111074420A (en) | 2020-04-28 |
| CN111074420B CN111074420B (en) | 2021-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911417392.0A Active CN111074420B (en) | 2019-12-31 | 2019-12-31 | Spacing yarn constant tension control device of ultra-large gauge warp knitting machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111663239A (en) * | 2020-06-28 | 2020-09-15 | 福州力天纺织有限公司 | Warp knitting machine yarn tension device convenient to adjust |
| CN112695432A (en) * | 2020-12-22 | 2021-04-23 | 四川邦尼德织物有限公司 | Constant tension control device of warping machine |
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| CN209411525U (en) * | 2018-12-12 | 2019-09-20 | 桐乡市明欣加弹丝有限公司 | A kind of regulating device of elasticizer coiling apparatus |
| CN209442429U (en) * | 2018-10-22 | 2019-09-27 | 合肥大成通信设备有限公司 | A kind of multi-functional apparatus for automatically regulating tension of optical fibre rewinder |
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| DE3422499A1 (en) * | 1984-06-16 | 1985-12-19 | Sandvik GmbH, 4000 Düsseldorf | Device for controlling a wire accumulator of a spring-winding machine |
| EP0751537A1 (en) * | 1995-06-29 | 1997-01-02 | AT&T IPM Corp. | Apparatus for storing a variable quantity of moving strand material |
| CN203938283U (en) * | 2014-04-14 | 2014-11-12 | 卡尔迈耶（中国）有限公司 | Automatically pretension device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111663239A (en) * | 2020-06-28 | 2020-09-15 | 福州力天纺织有限公司 | Warp knitting machine yarn tension device convenient to adjust |
| CN112695432A (en) * | 2020-12-22 | 2021-04-23 | 四川邦尼德织物有限公司 | Constant tension control device of warping machine |
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| Publication number | Publication date |
|---|---|
| CN111074420B (en) | 2021-08-24 |
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