A needle plate assembly for a flat knitting machine

Abstract

A kind of flat knitting machine needle plate combination structure piece, by the setting of first insert, second insert rear end second dovetail groove and second spacer, the uniformity and rigidity of needle slot after first insert, second insert arranged and assembled in turn on needle plate are reinforced;The setting of needle bar front extension and rear extension, with the first steel wire set corresponding to the setting of needle ruler and first steel wire hole, improves the stability and reliability of needle turning, the setting of needle bar rear extension effectively improves the rigidity of first insert and second insert combination, the setting of two steel wire holes of second insert front protruding part supports sinker, sinker does arc swing by two steel wires as guiding fulcrum, sinker arc swing guiding fulcrum is set in high position, compared with traditional low lower fulcrum, the same action stroke has the advantage of swing amplitude.

Claims

1. A needle plate assembly structure for a horizontal knitting machine, comprising a needle plate (1), a first insert (2), a second insert (3), a small needle plate (5), a pressure bar (6), a toothed plate (7), and a sinker plate (8). The needle plate is provided with an insert groove (9), in which a first insert and a second insert are arranged sequentially at intervals. A needle groove is formed by two adjacent first inserts and second inserts. Two needles of a mirrored needle assembly (10) are correspondingly arranged in adjacent needle grooves. The pressure bar (6) is arranged in a needle groove located above the mirrored needle assembly. A sinker plate is provided at the front end of the mirrored needle assembly. The small needle plate is placed on the upper side of the front end of the first insert and the second insert. The small needle plate is provided with an mounting groove (51) for the sinker plate's heel to move. The toothed plate is arranged in the front end of the insert groove corresponding to the second insert. The structure is characterized in that: The lower end of the settling plate is set in the front end of the slot corresponding to the first insert. The upper end of the settling plate is provided with a raised plate heel (81). The middle part of the settling plate is provided with two arc-shaped waist-shaped holes (82). The lower part of the settling plate is a wire pressing nozzle (83). The second insert is provided with a forward protrusion (303). The forward protrusion is located at the upper end of the toothed plate. The forward protrusion is provided with two wire holes (71). The waist-shaped slot of the settling plate is set in correspondence with the two wire holes of the second insert. Two wires (19) pass through the corresponding wire holes and waist-shaped holes.

2. A needle plate assembly for a weft knitting machine according to claim 1, characterised in that: The first insert and the second insert have a second dovetail groove (16) on their end faces. The second spacer (18) is fitted into the second dovetail groove to separate and reinforce the ends of the first insert and the second insert that are assembled in sequence.

3. The needle plate assembly structure of a horizontal knitting machine according to claim 2, characterized in that: The first insert and the upper front end of the second insert are provided with a first wire groove (13) and a square groove (14). The upper front end of the second insert is also provided with a first dovetail groove (12). The first dovetail groove (12) is located at the upper end of the square groove (14) of the second insert. A protruding support part (202) is provided at the front end of the first insert. The spacer (4) is fitted into the first dovetail groove. The needle ruler (15) is fitted into the square groove. The upper end of the pressure needle strip (6) is provided with a barb (61) corresponding to the first wire groove. The first wire groove is located at the lower end of the barb. The barb and the first wire groove are combined to form a first wire hole. The first wire (17) passes through the first wire hole.

4. The needle plate assembly structure of a horizontal knitting machine according to claim 2, characterized in that: The first insert and the second insert have a first dovetail groove (12), a first wire groove (13) and a square groove (14) on the upper front side. The spacer (4) is fitted into the first dovetail groove, the needle ruler (15) is fitted into the square groove, and the upper end of the pressure needle strip (6) has a barb (61) corresponding to the first wire groove. The first wire groove is located at the lower end of the barb. The barb and the first wire groove are combined to form the first wire hole. The first wire (17) passes through the first wire hole.

5. A needle plate assembly for a flat knitting machine according to claim 3 or 4, characterised in that: The pressure bar (6) is provided with a first square groove (62), a stepped surface (63) and a rear extension (64). The rear side of the pressure bar (6) is provided with a stepped surface (63) and a rear extension (64) that matches the front end of the needle selection assembly (20). The upper end of the pressure bar is also provided with a first square groove (62). The protrusion (301) of the square groove of the second insert and the first square groove (62) of the pressure bar (6) combine to provide space for the needle ruler (15) to fit. The needle ruler (15) is connected by a needle ruler collar connecting part (151).

6. A needle plate assembly for a weft knitting machine according to claim 5, wherein: The front end of the mounting groove of the small needle plate (5) is provided with a second steel wire groove (52). The second steel wire groove is a dovetail groove structure. The second steel wire passes through the heel of the limiting settling piece of the second steel wire groove to prevent it from falling off the front end of the mounting groove. The second steel wire is limited by the second steel wire groove.

7. A needle plate assembly for a flat knitting machine according to claim 5, wherein: The spacer (4) has spacer teeth (41) in both directions. The spacer teeth at the rear end are inserted into the rear side of several first dovetail grooves (12), and the spacer teeth at the front end are inserted into the front side of the first dovetail grooves.

8. A needle plate assembly for a flat knitting machine according to claim 5, wherein: The front end of the insert groove on the needle plate is deeper than the corresponding toothed plate at the sinking plate, and toothed plate pads (72) are symmetrically provided on both sides of the lower end of the toothed plate.

9. A needle plate assembly for a weft knitting machine according to claim 2, wherein: The upper surfaces of the first insert and the second insert are provided with a third dovetail groove (21), a fourth dovetail groove (22) and a fifth dovetail groove (23). The third dovetail groove, the fourth dovetail groove and the fifth dovetail groove of the first insert are aligned with the third dovetail groove, the fourth dovetail groove and the fifth dovetail groove of the second insert. The third dovetail groove, the fourth dovetail groove and the fifth dovetail groove are respectively provided with a third spacer, a fourth spacer (25) and a fifth spacer (26).

10. A needle plate assembly for a weft knitting machine according to claim 1, wherein: The front end of the first insert (2) is provided with a hollowed-out side of the knitting needle (201), the square groove of the second insert (3) is provided with a protrusion (301), and the front end of the second insert (3) is provided with a spring relief groove (302) on the other side of the knitting needle.

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