TW201311957A - Needle bed structure for flat knitting machines - Google Patents

Abstract

A needle bed structure for flat knitting machines that is located at two sides of aneedle bed gap includes a plurality of parallel needle plates, a plurality of knitting needles and sinkers located between the needle plates, a sinker control portion movable in parallel with the arranged direction of the sinkers, andat least one control cam driven by a switching portion to push the sinkers to rotate towards the needle bed gap during the switching movement. The switching portion performs a switching movement according to the moving direction. The needle plates hole at least one needle pressing board to restrict vertical movement of the knitting needles. The switching portion has a magnetic attracting portion corresponding to the needle pressing board to form magnetic attraction therewith. A spacer is provided between the needle plates to prevent the horizontal movement ofthe sinkers.

Description

Horizontal knitting machine needle bed structure

The invention relates to a horizontal knitting machine, in particular to a horizontal knitting machine needle bed structure.

In the horizontal knitting machine, in order to control the process of retracting, ferrule, uncoiling, and looping of the yarn guided by the knitting needle, a sinker is disposed between the knitting needles. The sinker has a convex outer edge with respect to one side of the knitting needle. When the Shenke sheet is rotated, the protruding outer edge abuts the yarn drawn by the knitting needle to form a loop, thereby generating a surface of the knitted product. Pattern.

In order to stabilize the rotation of the sinker, a conventional horizontal knitting machine is further provided with a sinker holder on the needle bed, such as the European Patent No. EP1522618 and the patent No. EP1522617. The sinker fixing seat is fixed to the needle bed by a connecting seat, and the sinker fixing seat defines a groove with respect to each of the sinkers to limit the operation mode of the sinker without being offset. In addition, the sinker holder is further provided with a control device for controlling the rotation of the Shenke sheet, such as the US Patent No. 5,475,990. Generally, the sinker control device includes two first and second cams arranged adjacent to each other. The first and second cams are respectively supported by a linkage mechanism on a base horizontally displaceable relative to the sinker mount, and the linkage mechanism is provided with at least one magnet magnetically attracted to the sinker mount . When the sinker control device is horizontally displaced relative to the sinker mount, determining whether the first cam and the second cam push the sinker located in the first and second cams according to the direction of the displacement, thereby being changeable The angle of rotation forms a different size of the yarn loop.

In actual operation, whether the sinker control device is stably displaced horizontally relative to the sinker mount determines whether the sinker can accurately rotate. If the surface of the sinker mount is rough, it will affect the smoothness of the movement of the sinker control device, and thus cause the mistake of controlling the rotation of the sinker. Therefore, a typical sinker mount is an integrally formed steel strip having a length substantially equivalent to that of a needle bed. The sinker holder requires an extremely high flatness with respect to one side surface of the sinker control device, is relatively precise in manufacturing, and is relatively expensive.

The main object of the present invention is to solve the problem that the conventional horizontal knitting machine has a relatively high manufacturing cost due to the provision of the settlement fixing seat.

In order to achieve the above object, the present invention provides a horizontal knitting machine needle bed structure, which is respectively disposed on two sides of a tooth gap, and includes a plurality of parallel plates, a plurality of knitting needles disposed between the partition plates and settlement. a sheet, and a sinker control device that moves in parallel with respect to the arrangement direction of the sinkers, the sinker control device has a switching device that performs a switching stroke according to the displacement direction, and at least one interlocking the switching device in the switching stroke A control mountain corner that pushes the sinker to rotate in the gap of the tooth gap. The baffle plate is provided with at least one presser plate for restricting the vertical displacement of the knitting needle, and the switching device of the sinker control device has a magnetic portion that is magnetically attracted to the pinch plate relative to the position of the presser plate There is a spacer between the partitions that limits the horizontal offset of the sinker.

In an embodiment, the partition has a dovetail groove for receiving the needle plate.

In one embodiment, the spacer is vertically aligned with the needle between the spacer and the sinker.

In an embodiment, the needle has a guide piece between the needle and the sinker.

In one embodiment, the sinker has a fixing portion pivotally disposed on a rotation axis parallel to the arrangement direction of the sinkers.

In one embodiment, the partition has two openings for a first positioning line and a second positioning line.

In one embodiment, the spacer includes a through hole for the first positioning line to pass through and a positioning groove for the second positioning line to pass through. The through hole is an oblong hole; the positioning groove includes a turning portion.

In one embodiment, the guide piece includes a through hole for the first positioning line to pass through and a positioning groove for the second positioning line to pass through. The through hole is an oblong hole; the positioning groove includes a turning portion.

In one embodiment, the guide piece includes a carrier for the needle.

The horizontal knitting machine needle bed structure of the present invention replaces the conventional sinker fixing seat for stabilizing the rotation of the sinker and switching the sinker control device by the presser plate disposed on the partition plate and the spacer between the partition plates , effectively reducing the cost of producing horizontal knitting machines.

The detailed description and technical contents of the present invention will now be described as follows:

Please refer to FIG. 1 , which is a schematic cross-sectional view of a horizontal knitting machine to which the present invention is applied. As shown in the figure, the present invention is applied to a horizontal knitting machine 10 , and the horizontal knitting machine 10 includes two A needle bed 20 on both sides of a tooth gap 11 which is disposed opposite to each other in a mountain shape. The needle bed 20 is provided with a carriage 30 that is reciprocally displaced laterally relative to the needle bed 20. The cart 30 has a sinker control device 31 with respect to the needle bed 20 each.

Please refer to FIG. 2, FIG. 3 and FIG. 4, which are schematic views, partial cross-sectional views and partial exploded views of a partial structure of the present invention. Each of the needle beds 20 is provided with a plurality of parallel grooves 21, and a partition 22 is respectively disposed in the grooves 21, and a needle groove 23 is formed between the two partition plates 22. Each of the needle slots 23 is provided with a knitting needle 24, a sinker 25, a spacer 26 and a guide sheet 27. The knitting needle 24 is disposed in the needle groove 23 in the direction of the needle groove 23, and can be hooked when the knitting needle 24 moves in the direction of the tooth gap 11. The sinker 25 includes a lower pressing protrusion 251, a control protrusion 252, and a fixing portion 253. The sinker 25 is pivotally mounted on a rotating shaft 41 by the fixing portion 253. The rotating shaft 41 is disposed in the groove 201 of the needle bed 20 in a direction parallel to the arrangement of the sinker 25. The sinker control device 31 is disposed on the trolley 30 and includes a switching device 311 and at least one control mountain 312 that interlocks the switching device 311. The control protrusion 252 of the sinker 25 is disposed in the control mountain 312. When the control mountain 312 is driven by the switching device 311 and displaced in the direction of the tooth gap 11, the sinker 25 can be pushed to rotate.

The spacers 22 are provided with at least one needle pressing plate 28 for restricting the vertical displacement of the knitting needles 24, so that the knitting needles 24 are confined in the needle grooves 23. The pinch plate 28 can be combined by a plurality of segments. In order to fix the presser plate 28 to the partitions 22, the partition 22 has a dovetail groove 221 for receiving the presser plate 28. In the present invention, the switching device 311 of the sedimentation control device 31 has a magnetic attraction portion 313 that is magnetically attracted to the needle plate 28 with respect to the position of the needle plate 28. The magnetic attraction portion 313 of the switching device 311 is normally magnetically attracted to the needle pressing plate 28, and when the sedimentation control device 31 is laterally moved relative to the needle bed 20 by the driving of the trolley 30, the switching device 311 can be Whether or not the control mountain 312 pushes the sinker 25 in the direction of the tooth gap 11 is determined depending on the traveling direction of the settling control device 31.

As shown in Figs. 4, 6 and 7, a needle groove 24 formed between the two partition plates 22 is provided with a knitting needle 24, a sinker 25, a spacer 26 and a yarn guide piece 27. The guide piece 27 includes a carrying portion 222 for the knitting needle 24. The sinker 25 is disposed between the partition 22 and the knitting needle 24, and the yarn guide sheet 27 is disposed between the sinker 25 and the knitting needle 24. In the present invention, since the height of the sinker 25 and the guide piece 27 is higher than the knitting needle 24, when the sinker 25 is rotated in the needle groove 23, in order to avoid horizontal lateral displacement, the guide A spacer 26 is further disposed between the yarn sheet 27 and the spacer 22, and the spacer 26 is the same thickness as the knitting needle 24 and arranged perpendicularly to each other, whereby the upper structure of the sinker 25 can only be used for the spacer 26 Displacement with the partition plate 22 stabilizes the rotation stroke of the sinker 25.

Each of the partitions 22 has a corresponding two openings 223 for a first positioning line 42 and a second positioning line 43. As shown in FIG. 4 and FIG. 5, the partitions 22 can be connected to each other. It is fixed to the needle bed 20. In order to allow the spacers 26 and the guide sheets 27 in each of the needle slots 23 to maintain their position during the knitting of the horizontal knitting machine 10 to stabilize the operation of the knitting needles 24 and the sinkers 25, the spacers 26 and the guides The yarn sheets 27 respectively include a through hole 261, 271 through which the first positioning wire 42 is bored, and a positioning groove 262, 272 through which the second positioning wire 43 is bored. The spacers 26 and the positioning grooves 262 and 272 of the guide piece 27 each have a turning portion 263, 273 for accommodating the second positioning line 43. In addition, in the process of assembling the spacer 26 or the guide sheet 27, in order to avoid the possible tolerances of forming the perforations 261, 271 when the spacer 26 or the guide 19 is manufactured, the first positioning line 42 cannot be smoothly passed through each a spacer 26 or a perforation 261, 271 of the guide piece 27, in the embodiment, the perforation 261, 271 is an oblong hole with increased tolerance, and the tolerance direction of the oblong hole can be vertical or horizontal to the needle groove 23 directions.

In summary, the needle knitting machine structure of the horizontal knitting machine of the present invention replaces the conventionally used to stabilize the rotation stroke of the sinker and switch the sinker control device by the presser plate disposed on the partition plate and the spacer between the partition plates. The sinker fixing seat can also eliminate the connection seat for connecting the sinker fixing seat and the partition plate, thereby greatly reducing the production cost of the horizontal knitting machine. Therefore, the present invention is highly progressive and conforms to the requirements of the invention patent application, and the application is filed according to law, and the praying office grants the patent as soon as possible.

The present invention has been described in detail above, but the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the scope of the invention. That is, the equivalent changes and modifications made by the scope of the present application should remain within the scope of the patent of the present invention.

10. . . Horizontal knitting machine

11. . . Tooth gap

20. . . Needle bed

201. . . Groove

twenty one. . . Trench

twenty two. . . Partition

221. . . Tail groove

222. . . Carrying part

223. . . Opening

twenty three. . . Needle slot

twenty four. . . Knitting needle

25. . . Sink

251. . . Lower pressing convex

252. . . Control convex

253. . . Fixed part

26. . . Spacer

261. . . perforation

262. . . Positioning groove

263. . . Turning section

27. . . Guide piece

271. . . perforation

272. . . Positioning groove

273. . . Turning section

28. . . Needle plate

30. . . Trolley

31. . . Sinking control device

311. . . Switching device

312. . . Control mountain corner

313. . . Magnetic part

41. . . Rotary axis

42. . . First positioning line

43. . . Second positioning line

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a schematic cross-sectional view showing the structure of a horizontal knitting machine to which the present invention is applied.

2 is a partial cross-sectional view showing an embodiment of a needle bed structure of a horizontal knitting machine of the present invention.

Fig. 3 is a partial structural view showing an embodiment of a needle bed structure of a horizontal knitting machine of the present invention.

Fig. 4 is a partially exploded perspective view showing an embodiment of a needle bed structure of a horizontal knitting machine of the present invention.

Fig. 5 is a partially enlarged exploded perspective view showing an embodiment of a needle bed structure of a horizontal knitting machine of the present invention.

Figure 6 is a front elevational view showing the structure of an embodiment of a horizontal knitting machine needle bed structure of the present invention.

Fig. 7 is a top plan view showing the structure of an embodiment of a horizontal knitting machine needle bed structure according to the present invention.

20. . . Needle bed

201. . . Groove

twenty one. . . Trench

twenty two. . . Partition

221. . . Tail groove

twenty three. . . Needle slot

twenty four. . . Knitting needle

25. . . Sink

252. . . Control convex

26. . . Spacer

27. . . Guide piece

28. . . Needle plate

31. . . Sinking control device

311. . . Switching device

312. . . Control mountain corner

41. . . Rotary axis

42. . . First positioning line

43. . . Second positioning line

Claims (15)

A horizontal knitting machine needle bed structure is respectively disposed on two sides of a tooth gap, and comprises a plurality of parallel plates, a plurality of knitting needles disposed between the partitions and a sinker, and a plurality of settlements a sinker control device for parallel movement of the sheet arrangement direction, the sinker control device having a switching device for performing a switching stroke according to the displacement direction, and at least one interlocking the switching device for pushing the sinker to the tooth gap The control mountain angle of the gap direction rotation is characterized by:
The baffle plate is provided with at least one presser plate for restricting the vertical displacement of the knitting needle, and the switching device of the sinker control device has a magnetic portion that is magnetically attracted to the pinch plate relative to the position of the presser plate There is a spacer between the partitions that limits the horizontal offset of the sinker. The horizontal knitting machine needle bed structure according to claim 1, wherein the partition has a dovetail groove for receiving the presser plate. The horizontal knitting machine needle bed structure according to claim 1, wherein the pressure pin plate is composed of a plurality of segments. The horizontal knitting machine needle bed structure according to claim 1, wherein the spacer is vertically arranged between the spacer and the sinker. The horizontal knitting machine needle bed structure according to claim 1, wherein the knitting needle and the sinker have a guide piece. The horizontal knitting machine needle bed structure according to claim 1, wherein the sinker has a fixing portion pivotally disposed on a rotating shaft parallel to the arrangement direction of the sinkers. The horizontal knitting machine needle bed structure according to claim 1, wherein the partition has two openings for a first positioning line and a second positioning line. The horizontal knitting machine needle bed structure according to claim 7, wherein the spacer comprises a through hole for the first positioning line and a positioning groove for the second positioning line to pass through. The horizontal knitting machine needle bed structure according to claim 8, wherein the perforation is an oblong hole. The horizontal knitting machine needle bed structure according to claim 8, wherein the positioning groove comprises a turning portion. The horizontal knitting machine needle bed structure according to claim 7, wherein the knitting needle and the sinker have a guide piece. The horizontal knitting machine needle bed structure according to claim 11, wherein the guide piece comprises a perforation for the first positioning line and a positioning groove for the second positioning line to pass through. The horizontal knitting machine needle bed structure according to claim 12, wherein the perforation is an oblong hole. The horizontal knitting machine needle bed structure according to claim 12, wherein the positioning groove comprises a turning portion. The horizontal knitting machine needle bed structure according to claim 1, wherein the guide piece comprises a carrying portion for the knitting needle.