CN108677373B - Double-disc needle transmission mechanism - Google Patents
Double-disc needle transmission mechanism Download PDFInfo
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- CN108677373B CN108677373B CN201810564324.6A CN201810564324A CN108677373B CN 108677373 B CN108677373 B CN 108677373B CN 201810564324 A CN201810564324 A CN 201810564324A CN 108677373 B CN108677373 B CN 108677373B
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- rocker
- cam
- rotating rod
- sliding block
- crank
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B33/00—Crocheting tools or apparatus
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Knitting Machines (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a double-disc needle transmission mechanism which comprises a first cam, a second cam, a first crank-link mechanism, a second crank-link mechanism, a first rocker-slider structure, a second rocker-slider structure, a first rotating rod and a second rotating rod, wherein the first cam is arranged on the first cam; the first cam is connected with a first rocker sliding block structure through a first crank connecting rod mechanism, the first rocker sliding block structure is connected with a second rocker sliding block structure through a connecting rod, the first rocker sliding block structure is connected with a first rotating rod, and the second rocker sliding block structure is connected with a second rotating rod; the second cam is connected with a second crank connecting rod mechanism, and the other end of the second crank connecting rod mechanism is connected with a first rotating rod and a second rotating rod. According to the double-disc needle transmission mechanism, the two rotary rods rotate and axially move at the same time, so that the movement stroke of the transmission mechanism is reduced, the transmission loss is reduced, the knitting efficiency is improved, and the service life of a machine is prolonged.
Description
Technical Field
The invention relates to the field of textile machinery, in particular to a double-disc needle transmission mechanism.
Background
The crochet machine is one of knitting machines, mainly used for weaving fabrics such as belt, feather yarn, etc., the general weaving flow includes warp guide bar, weft guide bar, latch needle with tongue, however, usually, the drive mechanism of the crochet machine drives the weft seat to move up and down synchronously, and because with the requirements such as complexity of weaving, need to hang the weft needle plate or push the cutting knife horizontally, thus lead to bearing the base of the weft needle plate and bear the greater gravity, therefore lead to increasing the stress safety coefficient of the upper and lower drive mechanisms, and because of the inertia of swing motion when the stress increases, lead to the stability of the transmission is not enough, also lead to producing the displacement difference when the drive mechanism moves up and down, make the weft needle position inaccurate. When the base bears larger gravity and the transmission mechanism moves greatly, larger noise is generated.
Therefore, those skilled in the art have devoted themselves to develop a double-dial needle transmission mechanism, which allows two rotating rods to rotate and move axially at the same time, reduces the movement stroke of the transmission mechanism, reduces transmission loss, improves knitting efficiency, and prolongs the service life of the machine.
Disclosure of Invention
In view of the above-mentioned defects in the prior art, the technical problem to be solved by the present invention is to develop a double-disc needle transmission mechanism, which enables two rotating rods to rotate and move axially at the same time, reduces the movement stroke of the transmission mechanism, reduces the transmission loss, improves the knitting efficiency and prolongs the service life of the machine.
In order to achieve the purpose, the invention provides a double-disc needle transmission mechanism which comprises a first cam, a second cam, a first crank connecting rod mechanism, a second crank connecting rod mechanism, a first rocker sliding block structure, a second rocker sliding block structure, a first rotating rod and a second rotating rod, wherein the first cam is arranged on the first cam; the first cam is connected with a first rocker sliding block structure through a first crank connecting rod mechanism, the first rocker sliding block structure is connected with a second rocker sliding block structure through a connecting rod, the first rocker sliding block structure is connected with a first rotating rod, and the second rocker sliding block structure is connected with a second rotating rod; the second cam is connected with a second crank connecting rod mechanism, and the other end of the second crank connecting rod mechanism is connected with a first rotating rod and a second rotating rod.
Furthermore, the first cam is driven by the main shaft to do eccentric motion to drive the first crank-link mechanism to move horizontally, so that the first rocker-slider structure and the second rocker-slider structure are driven to reciprocate in the horizontal direction, and the first rotary rod and the second rotary rod are driven to move axially.
Furthermore, the second cam does eccentric motion, and the first rotating rod and the second rotating rod do rotating motion simultaneously under the connection driving of the second crank connecting rod.
Further, the first rotating rod makes an axial movement while making a rotational movement.
Further, the second rotating rod makes an axial movement while making a rotational movement.
Further, the first rotating rod and the second rotating rod make reverse axial movement.
Further, the first cam is preferably an eccentric.
Further, the first cam is preferably an eccentric.
Technical effects
According to the double-disc needle transmission mechanism, the two rotary rods rotate and axially move at the same time, so that the movement stroke of the transmission mechanism is reduced, the transmission loss is reduced, the knitting efficiency is improved, and the service life of a machine is prolonged. Meanwhile, as the two rotating rods rotate simultaneously and move reversely, the crocheting speed is greatly improved, and the production efficiency is improved. And can meet the textile requirements of different crocheted patterns, density and the like.
The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings to fully understand the objects, the features and the effects of the present invention.
Drawings
Fig. 1 is a front view schematically illustrating a double disc needle driving mechanism according to a preferred embodiment of the present invention.
Fig. 2 is a side view of a double disc needle transmission mechanism according to a preferred embodiment of the present invention.
Detailed Description
As shown in fig. 1, the present invention provides a double-disc needle transmission mechanism, which includes a first cam 1, a second cam 2, a first crank link mechanism 10, a second crank link mechanism 11, a first rocker slider structure 3, a second rocker slider structure 5, a first rotating rod 9, and a second rotating rod 8, wherein the first cam 1 is connected to the first rocker slider structure 3 through the first crank link mechanism 10, the first rocker slider structure 3 is connected to the second rocker slider structure 5 through a connecting rod 4, the first rocker slider structure 3 is connected to the first rotating rod 9, and the second rocker slider structure 5 is connected to the second rotating rod 8. When the first cam 1 is driven by the main shaft to make eccentric motion, the first crank-link mechanism 10 is driven to move horizontally, so as to drive the first rocker-slider structure 3 and the second rocker-slider structure 5 to reciprocate in the horizontal direction, and thus drive the first rotating rod 9 and the second rotating rod 8 to move axially.
As shown in fig. 2, the second cam is connected to the second crank-link mechanism 11, and the other end of the second crank-link mechanism 11 is connected to the first rotating rod through the first moving-slider mechanism 16 and connected to the second rotating rod through the second moving-slider mechanism 14. The second crank-link mechanism 11 further comprises a rocker 12, and the other end of the rocker 12 is connected with a second moving slider mechanism 14 and a first moving slider mechanism 16 through a connecting rod 13 and a connecting rod 15 respectively. The second cam makes eccentric motion, and the first rotating rod and the second rotating rod make rotating motion simultaneously under the connection drive of the second crank connecting rod. Because the first cam and the second cam are driven by the same main shaft to do eccentric motion, the first rotating rod and the second rotating rod do axial motion simultaneously when rotating.
The first rocker slider structure 3 comprises a rocker part and a slider part, the shape of the rocker part is similar to an L shape, the inflection point of the L shape is used as the rotating part of the rocker, and the rocker reciprocates in the horizontal direction under the drive of the first crank connecting rod 10. The first rocker sliding block structure 3 comprises a rocker part and a sliding block part, the shape of the rocker part is similar to an L shape, the top end of the L shape is used as a rotating part of the rocker, and the inflection point of the L shape is connected with the first rocker sliding block structure through a connecting rod and driven by the horizontal reciprocating motion of the first rocker sliding block structure 3 to horizontally reciprocate, so that the second rotating rod 8 axially moves. Further, the first rotating rod 9 and the second rotating rod 8 perform opposite axial movements at the same time.
Further, the rocker part of the first rocker slider structure 3 is a rocker 6. The rocker part of the second rocker-slider structure is a rocker 7.
In another preferred embodiment of the present invention, the first cam is an eccentric and the second cam is an eccentric.
In another preferred embodiment of the invention, the first crank-link mechanism is preferably a first crank-rocker mechanism and the second crank-link mechanism is preferably a second crank-rocker mechanism.
In another preferred embodiment of the present invention, the first crank-link mechanism is connected to the first rocker-slider mechanism through a ball bearing, and the link between the first rocker-slider structure and the second rocker-slider structure is connected to the first rocker-slider structure and the second rocker-slider structure through ball bearings. The rocker part and the sliding block part of the first rocker sliding block structure are connected through a ball bearing, and the rocker part and the sliding block part of the first rocker sliding block structure are connected through a ball bearing.
The rocker part of the first rocker-slider structure is connected with one end of the slider part and comprises a sliding groove, and the ball bearing is installed in the sliding groove. One end of the rocker part connecting sliding block part in the second rocker sliding block structure comprises a sliding groove, and a ball bearing is installed in the sliding groove. The distance that the slider removed can be increased to increase first rotary rod and second rotary rod axial displacement's range, satisfy the requirement of more weaving lines and density.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (8)
1. A double-disc needle transmission mechanism is characterized by comprising a first cam, a second cam, a first crank-link mechanism, a second crank-link mechanism, a first rocker-slider structure, a second rocker-slider structure, a first rotating rod and a second rotating rod; the first cam is connected with the first rocker sliding block structure through the first crank connecting rod mechanism, the first rocker sliding block structure is connected with the second rocker sliding block structure through a connecting rod, the first rocker sliding block structure is connected with the first rotating rod, and the second rocker sliding block structure is connected with the second rotating rod; the second cam is connected with the second crank connecting rod mechanism, and the other end of the second crank connecting rod mechanism is connected with the first rotating rod and the second rotating rod.
2. The dual disc needle drive of claim 1 wherein the first cam is eccentrically driven by the spindle to move the first crank linkage horizontally to reciprocate the first rocker-slider structure and the second rocker-slider structure horizontally to move the first rotating bar and the second rotating bar axially.
3. The dual dial needle actuator of claim 1 wherein the second cam is eccentrically movable and the first pivot lever and the second pivot lever are simultaneously rotatably movable by the connection of the second crank link.
4. A double disc needle actuation mechanism according to claim 2 or 3, wherein the first rotary lever is moved axially at the same time as the rotary movement.
5. A double disc needle drive as claimed in claim 2 or 3, wherein the second rotary shaft moves axially simultaneously with the rotary movement.
6. A double disc needle drive as claimed in claim 2 or 3, wherein said first rotary lever and said second rotary lever are moved axially in opposite directions.
7. A double dial needle drive as claimed in claim 1 wherein the first cam is an eccentric.
8. A double dial needle drive as claimed in claim 1 wherein the second cam is an eccentric.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810564324.6A CN108677373B (en) | 2018-06-04 | 2018-06-04 | Double-disc needle transmission mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810564324.6A CN108677373B (en) | 2018-06-04 | 2018-06-04 | Double-disc needle transmission mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108677373A CN108677373A (en) | 2018-10-19 |
| CN108677373B true CN108677373B (en) | 2020-06-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810564324.6A Active CN108677373B (en) | 2018-06-04 | 2018-06-04 | Double-disc needle transmission mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108677373B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3037948A1 (en) * | 1980-10-08 | 1982-05-13 | Mageba Textilmaschinen Gmbh, 5550 Bernkastel-Kues | Crochet machine for forming non-unravelling fabric - has second independent group of guide needles to improve fabric stability |
| KR101142453B1 (en) * | 2009-05-01 | 2012-05-11 | 주식회사 태신 | rubber thread guide hook drive apparatus of crochet knitting machine |
| TWM384198U (en) * | 2009-12-11 | 2010-07-11 | Dah Heer Ind Co Ltd | Double-force transmission mechanism for pattern card rock-arm of crochet knitting machine |
| CN203741527U (en) * | 2013-12-06 | 2014-07-30 | 达贺实业有限公司 | Transmission device of knitting crochet machine |
| CN206089981U (en) * | 2016-09-14 | 2017-04-12 | 夏昌明 | Cloche repacking subassembly and cloche that uses it |
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2018
- 2018-06-04 CN CN201810564324.6A patent/CN108677373B/en active Active
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| Publication number | Publication date |
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| CN108677373A (en) | 2018-10-19 |
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