Double-needle device of computerized flat knitting machine

Abstract

The double-needle device of the computerized flat knitting machine comprises a needle plate, a connecting needle foot, a knitting needle and a long needle foot, a plurality of inserting grooves are formed in the needle plate in the length direction, and partition pieces are connected to the upper sections of the inserting grooves in an inserted mode so that a first needle groove and a second needle groove can be formed in the upper sections of the inserting grooves. The knitting needles and the long needle feet are arranged on the first needle groove and the second needle groove in a sliding mode respectively, the connecting needle feet are arranged on the lower section of the inserting groove and connected with the long needle feet in an embedded mode, each connecting needle foot comprises a connecting head and a needle body, the connecting heads are arranged on the upper portions of the needle bodies, the width of the connecting heads is larger than that of the needle bodies, and connecting front piece heels are arranged on the front sides of the connecting heads. And the rear side of the middle part of the long pin is provided with an open groove, so that the connecting front piece heel of the connector is respectively embedded with the open groove of the long pin. According to the utility model, a single-groove double-needle knitting mode is adopted, so that the distance between two needles is greatly reduced, and the knitting is tighter.

Description

Technical Field

[0001] The utility model relates to the technical field of computer flat knitting machines, in particular to a double-needle device of a computer flat knitting machine. Background Art

[0002] Computerized flat knitting machine is a double needle plate latch needle weft knitting loom. Its triangle device is like a set of flat cams. The needle feet can enter the groove of the cam, move the triangle, and force the needle to make regular up and down movements in the needle groove of the needle plate. Through the action of the needle hook and the needle tongue, the yarn can be knitted into a knitted fabric. During the rising process of the knitting needle, the coil gradually withdraws from the needle hook, opens the needle tongue, and withdraws the needle tongue to hang on the needle bar; during the descent of the knitting needle, the needle hook hooks the newly placed yarn and pulls it to bend into a coil. At the same time, the original coil is out of the needle hook, and the new coil passes through the old coil and is connected in series with the old coil. The coil strings formed by numerous knitting are connected to each other to form a knitted fabric.

[0003] At present, the needle plates of computer flat knitting machines all adopt a single-slot and single-needle method, that is, a knitting needle group is placed in a needle slot. The knitting needle group usually includes a needle selection plate, a spring needle, a long needle and a discard needle. The front side of the discard needle has a circle expansion plate. Therefore, the opening width of the needle slot should be greater than the maximum thickness of the knitting needle group, and each adjacent knitting needle group is separated by an insert. The design of the insert also has certain size restrictions, which leads to a certain distance between two adjacent knitting needle groups. Therefore, the woven fabric structure cannot be more dense, the fit to the human body is limited, and the woven pattern is not rich enough. Therefore, it is necessary to improve and optimize the existing needle plate of the computer flat knitting machine. Utility Model Content

[0004] The technical problem to be solved by the embodiment of the utility model is to provide a double needle device of a computer flat knitting machine, which adopts a single-groove double needle knitting method, which not only greatly reduces the double needle spacing to make the knitting more compact, but also effectively improves the knitting efficiency and quality.

[0005] To achieve the above-mentioned purpose, the utility model discloses a double needle device of a computerized flat knitting machine, comprising a needle plate, a connecting pin, a knitting needle and a long pin, wherein the needle plate is provided with a plurality of slots along the length direction, and the upper sections of the slots are respectively plugged with spacers so that the upper sections of the slots form a first needle slot and a second needle slot, the knitting needle and the long pin are a pair and are respectively slidably arranged on the first needle slot and the second needle slot, and the connecting pin is arranged on the lower section of the slot and is embedded with the long pin;

[0006] Among them, the connecting pin includes a connecting head and a needle body, the connecting head is arranged on the upper part of the needle body, and the width of the connecting head is greater than the width of the needle body, a connecting front butt is arranged on the front side of the connecting head, and a groove is provided on the middle rear side of the long pin so that the connecting front butt of the connecting head is respectively embedded in the groove of the long pin.

[0007] Furthermore, a plurality of inserting pieces are arranged at intervals on the needle plate so that the slots are formed between any adjacent inserting pieces.

[0008] Furthermore, it also includes spring pins, which are a pair and are respectively arranged between the connecting pins and the plug-in sheets, and the front side of the head end of the spring pin has a spring front heel, and the spring front heel and the tail end of the long pin are arranged front and back relative to each other.

[0009] Furthermore, a plurality of limit strips are provided between the lower sections of the plurality of inserts, and the limit strips are respectively in conflict with the connection pins.

[0010] Furthermore, an elastic sheet is provided on the front side of the lower part of the needle body, and the elastic sheet is in contact with the needle plate.

[0011] Furthermore, a side of the lower section of the spacer facing the connecting pin has a resisting portion that resists the elastic sheet, and a height of the resisting portion is lower than a height of the spacer.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] (1) The utility model adopts a single-slot double-needle design, and the width of the connector of the connecting pin is greater than the width of the pin body, which not only enables the connector to be embedded with the two long pins respectively, but also allows the pin body and the insert to accommodate the double spring pins, thereby saving the space occupied by the connecting pin body and the spring pins, thereby greatly reducing the distance between the double needles and making the knitting tighter. (2) The width of the connector of the connecting pin in the utility model is the same as the width of the slot, thereby preventing the connecting pin from shaking left and right in the slot, and a number of limit strips are set between the inserts to limit the connecting pin from shaking up and down, greatly improving the working stability of the connecting pin. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is an exploded view of the overall structure of the double needle device;

[0016] Figure 3 To show Figure 2 Schematic diagram of the structure of part A in FIG.

[0017] Figure 4 Schematic diagram of the structure of the separator. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solutions and advantages of the utility model clearer, the utility model will be further described in detail below with reference to the accompanying drawings.

[0019] Reference Figure 1-Figure 3 As shown, a double needle device of a computer flat knitting machine includes a needle plate 1, connecting pins 2, knitting needles 3, long pins 4, and spring pins 5.

[0020] A plurality of inserting pieces 111 are arranged at intervals along the length direction on the needle plate 1 so that a slot 11 is formed between any adjacent inserting pieces 111 , and spacers 12 are respectively inserted into the slot 11 so that a first needle groove and a second needle groove are formed in the slot 11 .

[0021] In this embodiment, the knitting needle 3, the long stitch 4, and the spring stitch 5 are a pair and are respectively slidably arranged on the first needle slot and the second needle slot so that each slot has a double needle, wherein the knitting needle 3 is arranged in the upper section of the slot 11, the long stitch 4 is arranged in the middle section of the slot 11, the head end of the long stitch 4 is embedded in the lower part of the knitting needle 3, and the spring stitch 5 is arranged in the lower section of the slot 11, the front side of the head end of the spring stitch 5 has a spring front heel, the spring front heel and the tail end of the long stitch 4 are arranged front and rear opposite to each other, and the rear side of the head end of the spring stitch 5 has a spring rear heel 52 for cooperating with the mountain plate.

[0022] In addition, the lower parts of the first needle groove and the second needle groove are respectively provided with needle selection pins for pushing the spring pins up, and the linkage relationship between the needle selection pins and the spring pins is a prior art, which will not be repeated in this embodiment.

[0023] Furthermore, the connecting stitch 2 is arranged at the lower section of the slot 11, wherein the connecting stitch 2 includes a connecting head 21 and a needle body 22, the connecting head 21 is arranged at the upper part of the needle body 22, a connecting front butt 211 is arranged on the front side of the connecting head 21, and a slot 41 is provided on the middle rear side of the long stitch 4, so that the connecting front butt 211 of the connecting head 21 is respectively embedded with the slot 41 of the long stitch 4, and a connecting rear butt 212 is provided on the rear side of the connecting head 21, and the connecting rear butt 212 cooperates with the triangular system of the mountain board, so that the connecting stitch 2 pushes the knitting needles 3 in the first needle groove and the second needle groove to rise or fall synchronously, so that the double knitting needles in the slot 11 can complete the weaving into a circle at the same time.

[0024] In this embodiment, the width of the connector 21 is greater than the width of the needle body 22, and the width of the connector 21 is the same as the width of the slot 11, which prevents the connecting pin 2 from shaking left and right in the slot 11, and makes the spring pin 5 respectively arranged between the connecting pin 2 and the insert 111, thereby greatly reducing the needle distance between the double needles, thereby reducing the volume of the needle plate, and the double needle weaving is tighter.

[0025] Furthermore, an elastic sheet 23 is provided on the lower front side of the needle body 22, and a lower section of the spacer 12 has a resistance portion 121 on the side facing the connecting pin 2, wherein the height of the resistance portion 121 is lower than the height of the spacer 12, so that after the connecting pin 2 is installed in the slot 11, the elastic sheet 23 of the connecting pin 2 is in resistance with the resistance portion 121 of the insert sheet 12, and a plurality of limit strips 13 are passed through the lower sections of a plurality of insert sheets 111, and the limit strips 13 are respectively in resistance with the connecting pin 2, so as to prevent the connecting pin 2 from shaking up and down in the slot 11, and at the same time prevent the connecting pin 2 from escaping from the slot 11, thereby greatly improving the working stability of the connecting pin.

[0026] In this embodiment, a mountain plate is installed on the needle plate 1, and the mountain plate includes a first cam system, a second cam system, a pair of left needle selectors, and a pair of right needle selectors, wherein the first cam system and the second cam system in the mountain plate also have three state positions, and the three state positions are A position, H position, and B position from top to bottom, wherein the A position corresponds to a weaving press plate, the H position corresponds to a left needle connecting press plate, a left eyelet press plate and a right needle connecting press plate, and the B state position corresponds to a non-weaving press plate, and the first cam system, the second cam system, the left needle selector, the right needle selector and the three state positions in the mountain plate The coordination relationship with the knitting needle assembly is the existing technology, which will not be repeated here. The mountain plate is controlled to move left and right along the needle plate by the machine head, so that the mountain plate is linked to connect the stitches 2, the knitting needles 3, the long stitches 4, and the spring stitches 5 to complete the corresponding actions, and the linkage relationship and working principle between the first cam system, the second cam system of the mountain plate and the connecting stitches 2, the knitting needles 3, the long stitches 4, and the spring stitches 5 are the existing technology, which will not be repeated here in this embodiment.

[0027] If it is necessary for the knitting needle 3 in the first needle groove to participate in knitting and the knitting needle 3 in the second needle groove not to participate in knitting, the needle selection pin in the second needle groove is selected by the needle selection pin of the mountain board, so that the needle selection pin pushes the spring pin 5 to the B position of the mountain board (that is, the non-woven pressure plate in the mountain board), so that the non-woven pressure plate in the mountain board passes through the spring rear heel 52 of the spring pin 5, and the spring pin 5 sinks into the second needle groove under the pressure of the non-woven pressure plate, thereby using the spring front heel of the spring pin 5 to press the long pin 4 forward, so that the concave position 41 of the long pin 4 is separated from the connecting front heel 212 of the connecting pin 2, so that when the mountain board pushes the connecting pin 2 to rise, since the long pin 4 is in an embedded state with the long pin 4 in the first needle groove, the knitting needle 3 of the first needle groove rises under the push of the connecting pin 2, while the knitting needle 3 of the second needle groove does not rise with the connecting pin 2.

[0028] When the knitting needle 3 in the first needle groove does not participate in knitting, and the knitting needle 3 in the second needle groove participates in knitting, the process is the same as the above.

[0029] When the knitting needles 3 of the first needle groove and the second needle groove move synchronously, the connecting pin 2 is driven by the triangular system of the mountain board to push the knitting needles 3 in the first needle groove and the second needle groove to rise synchronously, and the needle selecting pin pushes the spring pin in the first needle groove and the second needle groove to rise to the H position or the A position under the action of the needle selector of the mountain board, so that the knitting needles can complete the synchronous tuck, needle connection or needle turning, weaving and other actions under the action of the pressure plate in the H position or the A position, or the first needle groove or the second needle groove can complete different actions respectively, such as the knitting needle of the first needle groove completes the tuck, and the knitting needle of the second needle groove completes the needle connection action, so that the woven patterns are richer.

[0030] Of course, the above embodiments are only for illustrating the technical concept and features of the utility model, and their purpose is to enable people familiar with this technology to understand the content of the utility model and implement it accordingly. They cannot be used to limit the protection scope of the utility model. Any modifications made according to the spirit of the main technical scheme of the utility model should be included in the protection scope of the utility model.

Claims

1. A double needle device for a computerized flat knitting machine, characterized in that: The invention comprises a needle plate (1), a connecting pin (2), a knitting needle (3) and a long pin (4); the needle plate (1) is provided with a plurality of slots (11) along the length direction; the upper sections of the slots (11) are respectively plugged with spacers (12) so that the upper sections of the slots (11) form a first needle slot and a second needle slot; the knitting needle (3) and the long pin (4) form a pair and are respectively slidably arranged on the first needle slot and the second needle slot; the connecting pin (2) is arranged on the lower section of the slot (11) and is engaged with the long pin (4); The connecting pin (2) comprises a connecting head (21) and a needle body (22); the connecting head (21) is arranged on the upper part of the needle body (22); the width of the connecting head (21) is greater than the width of the needle body (22); a connecting front heel (211) is arranged on the front side of the connecting head (21); and a groove (41) is provided on the middle rear side of the long pin (4) so ​​that the connecting front heel (211) of the connecting head (21) is respectively engaged with the groove (41) of the long pin (4).

2. A double needle device for a computerized flat knitting machine according to claim 1, characterized in that: A plurality of inserting pieces (111) are arranged at intervals on the needle plate (1), so that the slot (11) is formed between any adjacent inserting pieces (111).

3. A double needle device for a computerized flat knitting machine according to claim 2, characterized in that: It also includes a spring pin (5), which is a pair and is respectively arranged between the connecting pin (2) and the insert (111), and the front side of the head end of the spring pin (5) has a spring front heel, and the spring front heel is arranged front and rear opposite to the tail end of the long pin (4).

4. A double needle device for a computerized flat knitting machine according to claim 2, characterized in that: A plurality of limit strips (13) are provided between the lower sections of the plurality of inserting pieces (111), and the limit strips (13) are respectively in conflict with the connection pins (2).

5. The double needle device of a computerized flat knitting machine according to claim 1, characterized in that: An elastic sheet (23) is provided on the front side of the lower part of the needle body (22), and the elastic sheet (23) is in contact with the needle plate (1).

6. A double needle device for a computerized flat knitting machine according to claim 5, characterized in that: The lower section of the spacer (12) has a contact portion (121) on the side facing the connecting pin (2) that contacts the elastic sheet (23), and the height of the contact portion (121) is lower than the height of the spacer (12).

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