TWI747185B - Transfer device of high density fabric and method thereof - Google Patents

Abstract

The present disclosure provides a transfer device of high density fabric and method thereof. The transfer device includes a regular needle and a transfer needle. The regular needle can move horizontally and is disposed on a machine dial. The transfer needle can move vertically and is disposed on a needle cylinder. A first stitch of the regular needle is in a first track in correspondence, and a second stitch of the transfer needle is in a second track in correspondence. A transfer section with two stage disposed in the second track can guide the transfer needle to rise a small section in advance, one end of the regular needle slightly inserts into a transfer reed of the transfer needle, and the transfer needle rises to a top side to perform transferring movement. Therefore, issues of missed stitch or collision on the transfer reed can be avoided.

Description

High-density fabric transfer device and method

The invention relates to a transfer device and a method for high-density fabrics, in particular to a transfer device and a method for high-density fabrics using a transfer needle to move yarn loops.

The mechanism of the main knitting part of the existing circular loom includes a plurality of upper knitting needles and a plurality of lower knitting needles. The upper knitting needle is horizontally movable on the needle plate of the machine, and the lower knitting needle is vertically movable on the needle cylinder. , Make the upper knitting needle and the lower knitting needle generate inner, outer, upper and lower displacements respectively, so as to carry out the movement of needle out and narrowing. After crocheting, weaving and spitting, repeat this action to achieve the knitting function.

High-density fabrics have used transfer devices to move the yarn loops to produce perforated fabrics. The reed type (spring cassette type) single-turn transfer needle is a commonly used transfer needle at present. There is a transfer reed on the side of the needle bar, the lower end is fixed on the needle bar, and the upper needle tip is tightly attached to the needle bar. Up, the yarn loop can be opened and the corresponding knitting needle (regular needle) is inserted into the transfer reed and the yarn loop. When the transfer needle is lowered, the upper needle point of the transfer reed is opened by the corresponding needle hook, and the yarn loop is Drop onto the corresponding needle hook to complete a single needle transfer.

However, if the existing transfer device is applied to high-density fabrics, the yarn loop is small, and when the yarn loop is sheathed outside the transfer reed of the transfer needle, the transfer reed will be trapped by the yarn loop and squashed. , Which makes it difficult for the corresponding knitting needle (regular needle) to insert into the transfer reed, so there are often missed needles or collisions with the transfer reed, resulting in the failure of the transfer action, which in turn causes fabric defects.

The technical problem to be solved by the present invention is to provide a high-density fabric transfer device and method for the shortcomings of the prior art, which can avoid the occurrence of missing needles or collision with the transfer reed.

In order to solve the above technical problems, the present invention provides a high-density fabric transfer device, including: a machine dial; a needle cylinder, the machine dial and the needle cylinder are arranged perpendicular to each other; a regular needle, the regular needle is arranged at The needle plate of the machine can move horizontally. The regular needle includes a first needle bar, a first needle hook and a first needle tongue. The first needle hook is arranged at the front end of the first needle bar. A needle tongue is pivoted on the first needle bar at a position close to the first needle hook, and a first stitch protruding from the first needle bar; a transfer needle, which is arranged on the needle barrel and can Moving vertically, the transfer needle includes a second needle bar, a second hook, a second needle tongue, and a transfer spring. The second hook is disposed on the upper end of the second needle bar, and the second needle bar The needle tongue is pivoted on the second needle bar at a position close to the second needle hook, the transfer reed is arranged on the second needle bar, and the lower end of the transfer reed is fixed on the second needle bar, The upper end of the transfer spring is a movable end, and it is closely attached to the second needle bar, and a second stitch is protruding from the second needle bar; the corner of the dial is set on the dial of the machine On the upper side of the dial, a first track is provided on the corner of the dial, and the first stitch of the regular needle fits in the first track; and the corner of the needle cylinder is set on the outside of the needle A second track is provided on the corner of the tube, and the second stitch of the transfer needle is fitted in the second track. The second track has a transfer section which can guide the transfer needle to move upward. Perform a loop transfer action, the loop transfer section includes a first section and a second section, the second section is located downstream of the first section, and the second section is higher than the first section; wherein the loop transfer section The first section of the transfer needle can guide the transfer needle to rise in advance, so that the first hook of one end of the regular needle is partially inserted into the transfer reed of the transfer needle, and then the second section of the transfer section The transfer needle is guided to rise, and the transfer needle is pushed to the top to perform the transfer action.

In order to solve the above technical problems, the present invention also provides a method for transferring high-density fabrics, including the steps of: providing a transfer device for high-density fabrics; placing the regular needle and the transfer needle at a predetermined position , Prepare for the transfer action; then push the regular needle to move forward, make the first yarn loop pull the first needle tongue, ready to remove the second yarn loop; then make the first yarn loop stay on the first needle Inside the hook and move the regular needle forward so that the regular needle is in the ready position; then the transfer needle is raised, and the first section of the transfer section is used to guide the transfer needle up a section in advance to make the The first hook of the regular needle is inserted into the transfer reed of the transfer needle in advance, and then the second section of the transfer section guides the transfer needle to continue to rise to move the transfer needle to the transfer position, And make the second yarn loop slide down on the transfer needle and be supported by the transfer reed, and the regular needle extends forward into the transfer reed and the second yarn loop; then the regular needle takes over For the second yarn loop, the transfer needle begins to descend and reset; and after the regular needle receives the second yarn loop, it enters the first hook at the same time as the first yarn loop to complete the loop transfer action.

The beneficial effect of the present invention is that a two-stage transfer section is provided in the second track of the needle cylinder mountain corner of the present invention, and the first section of the transfer section can guide the transfer needle to rise by one section in advance, so that the regular needle The first hook is inserted into the transfer reed of the transfer needle in advance. At this time, the second yarn loop to be transferred is not tightly sleeved outside the transfer reed of the transfer needle, so the transfer reed will not be The second yarn loops are squashed, which makes it easier for the subsequent regular needles to insert into the transfer reeds, and there will be no missed needles or collisions with the transfer reeds, which greatly increases the chance of successful transfer.

In order to further understand the features and technical content of the present invention, please refer to the following detailed description and drawings about the present invention. However, the provided drawings are only for reference and description, and are not used to limit the present invention.

The following are specific specific examples to illustrate the disclosed embodiments of the present invention, and those skilled in the art can understand the advantages and effects of the present invention from the content disclosed in this specification. The present invention can be implemented or applied through other different specific embodiments, and various details in this specification can also be based on different viewpoints and applications, and various modifications and changes can be made without departing from the concept of the present invention. In addition, the drawings of the present invention are merely schematic illustrations, and are not drawn according to actual size, and are stated in advance. The following embodiments will further describe the related technical content of the present invention in detail, but the disclosed content is not intended to limit the protection scope of the present invention.

[First Embodiment]

1 to 3, the present invention provides a high-density fabric transfer device, the transfer device is applied to high-density fabric, the transfer device includes a regular needle 1, a transfer needle 2, a machine dial 3 and The needle cylinder 4 usually includes a plurality of regular needles 1 and a plurality of transfer needles 2 as the main knitting mechanism of a circular loom. Only one regular needle 1 and one transfer needle 2 are shown in the figure. The machine dial 3 and the needle cylinder 4 are arranged perpendicular to each other. The regular needle 1 is arranged on the machine dial 3, that is, the machine dial 3 is provided with a plurality of dial needle grooves (the figure is omitted), and the regular needle 1 is arranged in the corresponding dial needle groove, and Can move horizontally. The transfer needle 2 is arranged on the needle barrel 4, that is, the needle barrel 4 is provided with a plurality of needle barrel grooves (not shown in the figure), and the transfer needle 2 is arranged in the corresponding needle barrel needle grooves and can move vertically. Since the mechanism of the main knitting part of the above circular loom is an existing technology, it will not be repeated here.

The regular needle 1 may be an upper knitting needle. The regular needle 1 includes a first needle bar 11, a first hook 12 and a first needle tongue 13. The first needle hook 12 is disposed at the front end of the first needle bar 11, and the first needle tongue 13 is pivoted on the first needle bar 11 close to the first needle hook 12. A first stitch 14 protrudes from the first needle bar 11.

The transfer needle 2 can be a lower knitting needle. The transfer needle 2 includes a second needle bar 21, a second hook 22, a second needle tongue 23, and a transfer spring 24 (as shown in FIG. 12) ). The second needle hook 22 is disposed at the upper end of the second needle bar 21, and the second needle tongue 23 is pivoted on the second needle bar 21 close to the second needle hook 22. The transfer spring 24 is arranged on the second needle bar 21 and is located below the second needle hook 22. The lower end of the transfer spring 24 is fixed on the second needle bar 21. The upper end is a movable end, and is closely attached to the second needle bar 21. A second stitch 25 protrudes from the second needle bar 21.

A dial corner 5 is arranged above the dial 3 of the machine, a first track 51 is provided on the dial corner 5 (bottom surface), and the first stitch 14 of the regular needle 1 fits into the corresponding first track 51. The needle cylinder 4 is provided with a needle cylinder horn 6 on the outer side, a second track 61 is provided on the needle cylinder horn 6 (inside), and the second stitch 25 of the transfer needle 2 is matched with the corresponding second track 61 Inside. Due to the integral rotation of the needle plate 3 and the needle cylinder 4 of the machine, the first track 51 and the second track 61 make the regular needle 1 produce internal and external displacements, and make the transfer needle 2 move up and down, so that the needle can be ejected and narrowed. Action, after crocheting, weaving and spitting, repeat this action to achieve the function of knitting.

The second track 61 has a transfer section 611. When the second stitch 25 of the transfer needle 2 is fitted in the second track 61, the second stitch 25 can be guided by the transfer section 611 to raise the The transfer section 611 can guide the transfer needle 2 to move upward to perform a transfer action. The transfer section 611 includes a first section 6111 and a second section 6112. The second section 6112 is located downstream of the first section 6111, and the second section 6112 is higher than the first section 6111, so that the second track 61 A two-stage transfer section 611 is provided.

Preferably, the first section 6111 and the second section 6112 are horizontal and located at the upper end of the second rail 61. There may be an inclined section 6113 between the first section 6111 and the second section 6112. The inclined section 6113 is connected between the first section 6111 and the second section 6112. The inclined section 6113 extends from the first section 6111 to the second section. The direction of 6112 is ascending, so that the inclined section 6113 can be used to smoothly connect between the first section 6111 and the second section 6112. In this embodiment, the length L2 of the second section is greater than the length L1 of the first section.

In this embodiment, the transfer section 611 is disposed between an ascending section 612 and a descending section 613. The ascending section 612 and the descending section 613 are inclined, and the ascending section 612 gradually rises toward the direction of the transfer section 611. The descending section 613 descends in a direction away from the transfer section 611. The end of the first section 6111 away from the second section 6112 is connected to the ascending section 612, and the end of the second section 6112 away from the first section 6111 is connected to the descending section 613. When the second stitch 25 of the transfer needle 2 is fitted in the second rail 61, the second stitch 25 can be guided by the ascending section 612 to rise, and can be guided by the descending section 613 to descend.

The second track 61 is provided with a two-stage transfer section 611. Therefore, the first section 6111 of the transfer section 611 can be used to guide the transfer needle 2 to ascend a section in advance, so that the first hook 12 of the regular needle 1 Pre-inserted into the transfer reed 24 of the transfer needle 2, at this time the second yarn loop (new yarn loop) to be transferred has not been tightly sleeved outside the transfer reed 24 of the transfer needle 2, so the transfer spring The sheet 24 will not be squeezed and flattened by the second yarn loop, so that the insertion of the regular needle 1 into the transfer reed 24 is easier. Then, the second segment 6112 of the transfer segment 611 is used to guide the transfer needle 2 to continue to rise, so that the transfer needle 2 is pushed to the upper side to perform the transfer operation.

[Second Embodiment]

The present invention also provides a method for transferring high-density fabrics, which includes the following steps;

First, a transfer device (as shown in Figures 1 to 3) is provided. The transfer device includes a regular needle 1, a transfer needle 2, a machine dial 3, a needle cylinder 4, a dial corner 5, and a needle cylinder mountain. Angle 6, etc.; since the transfer device is the same as the above-mentioned embodiment, it will not be repeated;

Place the regular needle 1 and the transfer needle 2 in a predetermined position (as shown in Figure 4), and prepare for the transfer action;

Then push the regular needle 1 to move forward, so that the first yarn loop (old yarn loop) A pulls off the first needle tongue 13 (as shown in Figure 5), ready to remove the second yarn loop (new yarn loop) B;

Then make the first yarn loop A stay in the first hook 12, and move the regular needle 1 forward (as shown in Figure 6), so that the regular needle 1 is in the ready position;

Then, the transfer needle 2 is raised, and the first section 6111 of the transfer section 611 is used to guide the transfer needle 2 to rise in advance by a section, so that the first hook 12 of the regular needle 1 is inserted into the transfer spring of the transfer needle 2 in advance. In the sheet 24 (as shown in Figure 7), the second yarn loop B to be transferred at this time has not been tightly sleeved outside the transfer reed 24 of the transfer needle 2, so the transfer reed 24 will not be second The yarn loop B is squashed to make it easier for the subsequent regular needle 1 to insert into the transfer reed 24, and then the second section 6112 of the transfer section 611 is used to guide the transfer needle 2 to continue to rise to move the transfer needle 2 To the transfer position, and make the second yarn loop B slide down on the transfer needle 2 and be stretched by the transfer reed 24, and the regular needle 1 extends forward into the transfer reed 24 and the second yarn loop B (such as As shown in Figure 8, Figure 9); when the transfer needle 2 drives the second yarn loop B to rise, the regular needle 1 will press down the second yarn loop B, causing the second yarn loop B to ream;

Then the regular needle 1 takes the second yarn loop B, and the transfer needle 2 begins to descend and reset (as shown in Figure 10);

Finally, after the regular needle 1 receives the second yarn loop B, it enters into the first hook 12 at the same time as the first yarn loop A (as shown in FIG. 11) to complete the loop transfer action.

[Beneficial effects of the embodiment]

The beneficial effect of the present invention is that a two-stage transfer section is provided in the second track of the needle cylinder mountain corner of the present invention, and the first section of the transfer section can guide the transfer needle to rise by one section in advance, so that the regular needle The first hook is inserted into the transfer reed of the transfer needle in advance. At this time, the second yarn loop to be transferred is not tightly sleeved outside the transfer reed of the transfer needle, so the transfer reed will not be The second yarn loop is sheathed and flattened, which makes it easier for the subsequent regular needle to insert into the transfer reed, and will not miss the needle or collide with the transfer reed, which greatly increases the chance of successful transfer.

The content disclosed above is only a preferred and feasible embodiment of the present invention, and does not limit the scope of the patent application of the present invention. Therefore, all equivalent technical changes made using the description and schematic content of the present invention are included in the application of the present invention. Within the scope of the patent.

1 Regular needle 11 first needle bar 12 first hook 13 first stitch 14 first pin 2 Transfer needle 21 second needle bar 22 second hook 23 second pin tongue 24 transfer reed 25 second pin 3 Machine dial 4 Syringe 5 Needle plate mountain corner 51 first track 6 Syringe Hill 61 second track 611 transfer segment 6111 first paragraph 6112 second paragraph 6113 inclined section 612 Ascendant 613 descending segment L1 length L2 length A first yarn loop B second yarn loop

Fig. 1 is a schematic plan view of the transfer device of the present invention.

Figure 2 is a schematic plan view of the corner of the dial of the present invention.

Figure 3 is a schematic plan view of the mountain corner of the syringe of the present invention.

Fig. 4 is a schematic diagram (1) of the operation of the loop transfer method of the present invention.

Fig. 5 is a schematic diagram (2) of the action of the loop transfer method of the present invention.

Fig. 6 is a schematic diagram (3) of the action of the loop transfer method of the present invention.

Fig. 7 is a schematic diagram (4) of the action of the loop transfer method of the present invention.

Fig. 8 is a schematic diagram (5) of the action of the loop transfer method of the present invention.

Fig. 9 is a schematic diagram (6) of the action of the loop transfer method of the present invention.

Fig. 10 is a schematic diagram (7) of the operation of the loop transfer method of the present invention.

Fig. 11 is a schematic diagram (8) of the action of the loop transfer method of the present invention.

Fig. 12 is a schematic plan view of the transfer needle of the present invention.

6 Syringe Hill 61 second track 611 transfer segment 6111 first paragraph 6112 second paragraph 6113 inclined section 612 Ascendant 613 descending segment L1 length L2 length

Claims (6)

A high-density fabric transfer device, including: Machine needle plate; Needle cylinder, the needle plate of the machine and the needle cylinder are arranged perpendicular to each other; A regular needle, the regular needle is set on the dial of the machine and can move horizontally, the regular needle includes a first needle bar, a first hook and a first needle tongue, the first hook is arranged on the first needle The front end of a needle bar, the first needle tongue is pivoted on the first needle bar close to the first needle hook, and a first stitch is protruding from the first needle bar; The transfer needle is arranged on the needle barrel and can move vertically. The transfer needle includes a second needle bar, a second needle hook, a second needle tongue and a transfer spring. Two needle hooks are provided on the upper end of the second needle bar, the second needle tongue is pivoted on the second needle bar close to the second needle hook, and the transfer spring is provided on the second needle bar, The lower end of the transfer reed is fixed on the second needle bar, the upper end of the transfer reed is a movable end and is closely attached to the second needle bar, and a second stitch is protruding from the second needle bar ； A dial corner, the dial corner is arranged above the dial of the machine, the dial corner is provided with a first track, and the first stitch of the regular needle fits in the first track; and The needle cylinder corner, the needle cylinder mountain corner is arranged on the outside of the needle cylinder, the needle cylinder mountain corner is provided with a second track, the second stitch of the transfer needle fits in the second track, the second track There is a transfer section inside, the transfer section can guide the transfer needle to move upward to perform a transfer action, the transfer section includes a first section and a second section, the second section is located in the first section Downstream, and the second section is higher than the first section; The first section of the transfer section can guide the transfer needle to ascend a section in advance, so that the first hook at one end of the regular needle is inserted into the transfer reed of the transfer needle in advance, and then the transfer section The second section guides the transfer needle to rise, so that the transfer needle is pushed to the top to perform the transfer action. The high-density fabric transfer device according to claim 1, wherein the first section and the second section are horizontal, and the first section and the second section are located at the upper end of the second track. The high-density fabric transfer device according to claim 2, wherein there is an inclined section between the first section and the second section, and the inclined section is connected between the first section and the second section, and the The inclined section ascends from the first section to the second section. The high-density fabric transfer device according to claim 1, wherein the length of the second section is greater than the length of the first section. The high-density fabric transfer device of claim 1, wherein the transfer section is arranged between an ascending section and a descending section, the ascending section and the descending section are both inclined, and the ascending section faces closer to the The direction of the transfer segment is ascending, the descending segment descends toward the direction away from the transfer segment, the end of the first segment away from the second segment is connected to the rising segment, and the end of the second segment away from the first segment is connected to The descending section. A method for transferring high-density fabrics, including the steps: Provide a high-density fabric transfer device as described in any one of claims 1 to 5; Place the regular needle and the transfer needle at a predetermined position to prepare for the transfer action; Then push the regular needle to move forward, so that the first yarn loop pulls off the first needle tongue, ready to remove the second yarn loop; Then make the first yarn loop stay in the first hook and move the regular needle forward so that the regular needle is in the ready position; Then the transfer needle is raised, and the first section of the transfer section is used to guide the transfer needle ascending a section in advance, so that the first hook of the regular needle is partially inserted into the transfer reed of the transfer needle in advance , And then use the second section of the transfer section to guide the transfer needle to continue to rise, move the transfer needle to the transfer position, and make the second yarn loop slide down on the transfer needle by the transfer spring The sheet is expanded, and the regular needle extends forward into the transfer reed and the second yarn loop; Then the regular needle receives the second yarn loop, and the transfer needle begins to descend and reset; and After the regular needle receives the second yarn loop, it enters into the first hook at the same time as the first yarn loop to complete the loop transfer action.

Images