CN201447548U - Single-system computerized flat knitting machine with improved structure - Google Patents
Single-system computerized flat knitting machine with improved structure Download PDFInfo
- Publication number
- CN201447548U CN201447548U CN2009200606641U CN200920060664U CN201447548U CN 201447548 U CN201447548 U CN 201447548U CN 2009200606641 U CN2009200606641 U CN 2009200606641U CN 200920060664 U CN200920060664 U CN 200920060664U CN 201447548 U CN201447548 U CN 201447548U
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- needle
- knitting machine
- flat knitting
- selection piece
- bar
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Abstract
The utility model relates to the field of knitting machinery, in particular to a single-system computerized flat knitting machine with an improved structure. The single-system computerized flat knitting machine comprises a needle bed, selector bits and a triangular base plate, the triangular base plate is provided with a track bar and a needle-raising cam, contacting positions of the upper end surface of the track bar and the left and right ends of the needle-raising cam are equipped with peak-shaped projections, then the track bar is added with a needle raising function, each selector bit is provided with a needle butt, the lower end of the needle bed extends downwards, and the integral lower ends of the selector bits are arranged in a needle slot of the needle bed. After utilizing the structure, the friction state of the selector bits with walls of the needle slot can not be changed at any longitudinal position in the needle slot, thereby achieving uniform and stable friction force, smooth sliding, reducing possibility of needle striking greatly and preventing the tail end of the selector bits from being broken by a lifter. Simultaneously, after the selector bits are lifted, reslipping of the selector bits is reduced greatly because the tail ends of the selector bits are supported by the walls of the needle slot, and then drop stitching can be avoided effectively. In addition, reliability of needle selection is increased effectively by setting the size of the needle bed to match with the sizes of the selector bits accurately.
Description
Technical field
The utility model relates to the Knitting Machinery field, is specifically related to a kind of single system computer flat knitting machine that improves structure.
Background technology
That flat machine is fit to is cotton, the braiding of hair and various chemical fibre, blended yarn, can weave the clothes, cap, scarf of various fancy etc.At present, a lot of single system computer flat knitting machines are owing to exist defective in needle-bar, cam base plate and the correlated parts design, when braiding garment piece speed is higher, be easy to generate the striker (bump of general reference correlated parts a part, down with) and dropped stitch (refer to that the pin that choose is not chosen, down with) take place, falsely drop pin (pin that should not choose is but chosen, down together) phenomenon, cause garment piece lump in the abdomen defect or scrap, even damage machine.
Fig. 1 a, 1b are the front view and the left views of the needle-bar of existing single system computer flat knitting machine, and common needle-bar is convenient for selection piece 1 promotes, with the ends exposed of selection piece 1 outside needle-bar 2.Because selection piece 1 is transverse curvature, therefore, selection piece 1 during lengthwise movement, produces irregular friction with needle tray 21 sides at K point place in needle tray 21, and resistance is very unstable, causes striker easily.Also have, if the transverse movement of head high speed, lifter 4 (its effect is selection piece 1 state from ensconce needle tray 21 to be increased to pin heel 11 expose the needle-bar face, so that allow the needle selection device choose) regular meeting severs the tail end that selection piece 1 exposes at the K point.
Fig. 2 a is the cam base plate schematic diagram of existing a kind of single system computer flat knitting machine, and its operation principle is:
Whole cam base plate is assemblied on the head, side-to-side movement above needle-bar 2 during head work.Needle selection device 3 is installed on the cam base plate, there are 8 (or n sheet) needle selection blades 31 its below, selection piece 1 (8 sections or n section) traverse cycle successively is arranged in the needle tray of needle-bar 2, and blade 311 to 318 is corresponding to the protruding point on the selection piece 1 101 to 108, and every selection piece has only a protruding point 10n.
When Nose Left or when moving right, lifter 4 is promoted to the pin heel 11 of ensconcing the selection piece 1 in the needle trays 21 and protruding point 10n and exposes needle-bar 2 surfaces, is arranged on the needle track in an orderly manner by needle track vertical bar 5 and 6 arrangements of needle track triangle.Because knitting needle is above the same groove of selection piece 1, therefore, the selection piece of choosing with groove 1 is exactly the knitting needle of choosing with groove, is commonly referred to " needle selection ".
Fig. 2 c is the left view of Fig. 2 a, the knitting needle that need choose not, and the blade 3n of needle selection device 3 belows is failure to actuate, and directly the selection piece 1 of correspondence is pressed to sink in the needle tray, does not work with the knitting needle of groove with it.In the time of need choosing certain knitting needle work, needle selection device 3 corresponding blade 3n deflect, the protruding point 10n that departs from selection piece 1, then this selection piece 1 remains on the raised position of needle-bar 2, this selection piece 1 is pushed in the pin heel 11 of rise cam 7 contact selection pieces 1, with the knitting needle work of needle tray, reach the purpose of needle selection.
Common single-system machine cam system exists following defective: shown in Fig. 2 a, Fig. 2 b, because the joint portion of needle track vertical bar 5 and rise cam 7 is on same horizontal level, the lower process of selection piece 1 is put the 12 corresponding needle-bar lower end vacant states that are in, the pin heel 11 of selection piece 1 is by this joint portion M the time, even small vibrations and impact, also can make the selection piece of being chosen 1 sliding again heavy, cause dropped stitch.
Fig. 2 b is the cam base plate schematic diagram of existing another kind of single system computer flat knitting machine, the withdrawal of needle angle design of rise cam 7 must compare gently, but pin heel 11 is during from U to M, but produced one section unsettled distance, can't avoid it to produce at the M point again impacts, cause the sliding heavy chance of selection piece to increase, also understand dropped stitch unavoidably.
In addition, consult Fig. 3, the angle a of pin heel 11 is an acute angle in the general selection piece 1, does an inclined-plane (or grinding naturally) at rise cam 7 edges and coincide with pin heel 11, and its consideration is to prevent that selected selection piece 1 is sliding again heavy.But this method has very big shortcoming: the pin heel 11 of selection piece 1 is high-order the contact when working with rise cam 7, and when the head high-speed motion, pin heel 11 can be subjected to very big horizontal bending power, often produces striker at this; Because be point contact, so its tip portion is easy to wearing and tearing, and every selection piece degree of wear difference all, influence 7 service lifes of the accuracy of withdrawal of needle and selection piece 1, rise cam; Simultaneously, some contact friction vibrations are big, and anti-skidding heavy effect is also undesirable.
The utility model content
The utility model has overcome shortcoming of the prior art, a kind of anti-striker, anti-dropped stitch is provided, can have avoided falsely dropping the single system computer flat knitting machine of the improvement structure of pin.
In order to solve the problems of the technologies described above, the utility model is achieved through the following technical solutions:
Improve the single system computer flat knitting machine of structure, comprise needle-bar, cam base plate and selection piece, described cam base plate is provided with needle track vertical bar and rise cam, rise cam is positioned at needle track vertical bar top, described selection piece is provided with the pin heel, the lower ends downward of described needle-bar prolongs, and selection piece lower end integral body is positioned at the needle tray of needle-bar.
As preferably, the lower ends downward of described needle-bar is extended for " L " type.
Further, described needle track vertical bar upper end is provided with groove.
Further, described groove is two, is symmetrically set in the rise cam both sides.
Further, described needle track vertical bar upper end and contact position, two ends, the rise cam left and right sides are provided with mountain peak shape projection, and described mountain peak shape projection is being provided with a transition arc away from rise cam one side.
Further, described needle track vertical bar lower surface also is provided with groove, can place magnet in the groove.
Further, the angle a of pin heel is 90 degree in the described selection piece.
Compared with prior art, the beneficial effects of the utility model are:
1, the utility model adopts this structure, and any lengthwise position of selection piece in needle tray all do not have the Frotteurism of change and needle land, and therefore, frictional force is uniform and stable, and it is smooth and easy to slide, and significantly reducing striker may; More the phenomenon that lifter severs the selection piece end can not take place; Simultaneously, after selection piece was raised, because the terminal support that still has needle land, sliding again heavy chance significantly reduced, and can effectively prevent dropped stitch.In addition, cooperate with the accurate of selection piece size, effectively improved the reliability of needle selection by setting needle bed dimension.
2, needle track vertical bar of the present utility model upper end is provided with groove, and not selected selection piece can sink at this, and selection piece is in the process that is depressed, can be a little vertically toward moving down, just be hidden under the needle track vertical bar, the chance that is brought to never again, needle selection is very reliable.
3, be provided with mountain peak shape projection in needle track vertical bar upper end and contact position, two ends, the rise cam left and right sides, adopt this design, the pin heel steadily and is not impacted in the process that is raised, when it is promoted to shape summit, mountain peak, selection piece lower process point has been supported in the needle tray bottom and again can't have sunk, avoid snagging effectively, also reduced the striker chance.
4, the groove inner set magnet in needle track vertical bar bottom can prevent that selected selection piece is sliding heavy, can guarantee not dropped stitch.
5, the angle a of pin heel is 90 degree in the selection piece, and stress point reduces, and is stressed even, increases anti-skidding heavy possibility, effectively reduces striker and wearing and tearing.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Fig. 1 a is the front view of the needle-bar of existing single system computer flat knitting machine;
Fig. 1 b is the left view of the needle-bar of existing single system computer flat knitting machine;
Fig. 2 a is the cam base plate schematic diagram of existing a kind of single system computer flat knitting machine;
Fig. 2 b is the cam base plate schematic diagram of existing another kind of single system computer flat knitting machine;
Fig. 2 c is the left view of Fig. 2 a;
Fig. 3 is existing selection piece structural representation;
Fig. 4 a is the needle-bar front view of the single system computer flat knitting machine of improvement structure described in the utility model;
Fig. 4 b is the needle-bar left view of the single system computer flat knitting machine of improvement structure described in the utility model;
Fig. 4 c is the needle-bar left view (selection piece is chosen) of the single system computer flat knitting machine of improvement structure described in the utility model;
Fig. 5 is the needle track vertical bar structural representation of the single system computer flat knitting machine of improvement structure described in the utility model;
The specific embodiment
Consult Fig. 4 a, 4b, 4c, the single system computer flat knitting machine of improvement structure described in the utility model, comprise selection piece 1 and needle-bar 2, selection piece 2 is provided with pin heel 11, needle-bar 2 lower ends downward are extended for " L " type, selection piece 1 lower end integral body is positioned at the needle tray 21 of needle-bar 2, and the lifter 4 lower process point 12 by selection piece 1 lower end promotes selection piece.
The utility model also improves needle track vertical bar 5:
Consult Fig. 5, needle track vertical bar 5 tops are provided with rise cam 7, described needle track vertical bar 5 upper ends are respectively equipped with a groove 51 in rise cam 7 both sides, not selected selection piece 1 can sink at this, selection piece 1 can just be hidden under the needle track vertical bar 5 a little vertically toward moving down in the process that is depressed, can not be brought to, needle selection is very reliable again.
Also be provided with mountain peak shape projection 52 in needle track vertical bar 5 upper ends and contact position, two ends, rise cam 7 left and right sides, described mountain peak shape projection 52 is provided with a transition arc away from rise cam one side, and the design of mountain peak shape projection 52 makes the needle track vertical bar except having had more than the needle track arrangement effect withdrawal of needle function.Because needle track vertical bar 5 is provided with a bigger transition arc, pin heel 11 steadily and is not impacted in the process that is raised, when it is promoted to the summit, selection piece lower process point 12 has been supported in needle tray 21 bottoms and again can't have sunk, avoid snagging effectively, reduced the striker chance.
Needle track vertical bar 5 bottoms also are provided with groove 53, place permanent magnet in the groove 53, prevent that selected selection piece 1 is sliding heavy, can guarantee not dropped stitch.
In addition, the utility model improves selection piece 1, and the pin 11 angle a that call in person are designed to 90 ° in the selection piece 1, as shown in Figure 6, the lower limb face of pin heel 11 contacts with 7 of rise cams, and stress point reduces, stressed even, increase anti-skidding heavy possibility, effectively reduce striker and wearing and tearing.
The utility model is not limited to above-mentioned embodiment, if various changes of the present utility model or distortion are not broken away from spirit and scope of the present utility model, if these changes and distortion belong within claim of the present utility model and the equivalent technologies scope, then the utility model also is intended to comprise these changes and distortion.
Claims (7)
1. improve the single system computer flat knitting machine of structure, comprise needle-bar, selection piece and cam base plate, described cam base plate is provided with needle track vertical bar and rise cam, rise cam is positioned at needle track vertical bar top, described selection piece is provided with the pin heel, it is characterized in that: the lower ends downward of described needle-bar prolongs, and selection piece lower end integral body is positioned at the needle tray of needle-bar.
2. the single system computer flat knitting machine of improvement structure according to claim 1 is characterized in that: the lower ends downward of described needle-bar is extended for " L " type.
3. the single system computer flat knitting machine of improvement structure according to claim 1 is characterized in that: described needle track vertical bar upper end is provided with groove.
4. the single system computer flat knitting machine of improvement structure according to claim 3 is characterized in that: described groove is two, is symmetrically set in the rise cam both sides.
5. the single system computer flat knitting machine of improvement structure according to claim 1, it is characterized in that: described needle track vertical bar upper end and contact position, two ends, the rise cam left and right sides are provided with mountain peak shape projection, and described mountain peak shape projection is being provided with a transition arc away from rise cam one side.
6. the single system computer flat knitting machine of improvement structure according to claim 1 is characterized in that: described needle track vertical bar lower surface also is provided with groove, can place magnet in the groove.
7. the single system computer flat knitting machine of improvement structure according to claim 1 is characterized in that: the angle a of pin heel is 90 degree in the described selection piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200606641U CN201447548U (en) | 2009-07-17 | 2009-07-17 | Single-system computerized flat knitting machine with improved structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200606641U CN201447548U (en) | 2009-07-17 | 2009-07-17 | Single-system computerized flat knitting machine with improved structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201447548U true CN201447548U (en) | 2010-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200606641U Expired - Fee Related CN201447548U (en) | 2009-07-17 | 2009-07-17 | Single-system computerized flat knitting machine with improved structure |
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| CN (1) | CN201447548U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102787434A (en) * | 2012-09-04 | 2012-11-21 | 宁波慈星股份有限公司 | Scissors clamp device in flat knitting machine |
| CN105734814A (en) * | 2016-03-18 | 2016-07-06 | 桐乡市强隆机械有限公司 | Linkage control mechanism in flat knitting machine base plate |
| CN105734815A (en) * | 2016-03-18 | 2016-07-06 | 桐乡市强隆机械有限公司 | Flat knitting machine bottom plate with linkage control mechanism |
-
2009
- 2009-07-17 CN CN2009200606641U patent/CN201447548U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102787434A (en) * | 2012-09-04 | 2012-11-21 | 宁波慈星股份有限公司 | Scissors clamp device in flat knitting machine |
| CN102787434B (en) * | 2012-09-04 | 2014-01-15 | 宁波慈星股份有限公司 | Scissors clamp device in flat knitting machine |
| CN105734814A (en) * | 2016-03-18 | 2016-07-06 | 桐乡市强隆机械有限公司 | Linkage control mechanism in flat knitting machine base plate |
| CN105734815A (en) * | 2016-03-18 | 2016-07-06 | 桐乡市强隆机械有限公司 | Flat knitting machine bottom plate with linkage control mechanism |
| CN105734815B (en) * | 2016-03-18 | 2018-07-13 | 桐乡市强隆机械有限公司 | Flat knitting machine soleplate with coordinated signals mechanism |
| CN105734814B (en) * | 2016-03-18 | 2018-08-03 | 桐乡市强隆机械有限公司 | Coordinated signals mechanism in flat knitting machine soleplate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100505 Termination date: 20110717 |