CN216107474U

CN216107474U - High-strength warp knitting machine needle core bed

Info

Publication number: CN216107474U
Application number: CN202122643852.0U
Authority: CN
Inventors: 梅江勇; 谢宏波; 张胜强; 周孝文; 陈鹏; 陈海军
Original assignee: Changde Textile Machinery Co ltd
Current assignee: Changde Textile Machinery Co ltd
Priority date: 2021-11-01
Filing date: 2021-11-01
Publication date: 2022-03-22
Anticipated expiration: 2031-11-01

Abstract

A high-strength warp knitting machine needle core bed comprises a base, wherein the base is long-strip-shaped, the side section of the base is of a right-angled trapezoid structure, a fixed seat is arranged on the outer wall of the base, a needle groove is formed in the fixed seat, a needle seat is fixed in the needle groove, and a central hole is formed in the center of the base; through holes distributed in a linear array are formed in the center of the bottom matching surface, and a threaded sleeve is fixed inside each through hole; the through hole is internally provided with a containing groove, a diversion groove and an internal threaded hole in sequence from outside to inside; the utility model can improve the strength of the needle bed, solve the problem of needle bed expansion and ensure stable needle pitch.

Description

High-strength warp knitting machine needle core bed

Technical Field

The utility model belongs to the technical field of textile equipment, and particularly relates to a high-strength warp knitting machine needle core bed.

Background

The needle core bed is an important processing part in a warp knitting machine, and the needle core bed of the existing high-speed warp knitting machine for textile generally has two types: the utility model provides a nook closing member bed is pultrusion carbon fiber base member and almag needle file combination, only there is intensity because of pultrusion carbon fiber base member longitudinal direction, the transverse direction structure is the resin bonding completely, intensity is very weak, nook closing member bed influences the work of weaving because of transverse strength produces the deformation inadequately in the use, again because of the needle file material is almag, the coefficient of thermal expansion is big, receive the influence needle file that machine running temperature rose to be heated and produce the inflation during weaving, the needle bed receives the temperature influence to make the gauge needle change, the needle phenomenon appears wiping when the gauge needle change is inconsistent, the operating quality when the influence is woven, machine running speed receives the restriction. The needle core bed with the other structure is formed by combining a molded carbon fiber matrix and an aluminum magnesium alloy needle seat, although the transverse strength of the needle bed is greatly improved compared with the former needle core bed, the needle seat is made of aluminum magnesium alloy, the needle core bed always has the thermal expansion phenomenon, the needle seat is inevitably expanded as long as the temperature of a machine is increased, the needle is still wiped during working, the problem of needle bed expansion is not thoroughly solved, and the running speed of a warp knitting machine is difficult to increase.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides a high-strength warp knitting machine needle core bed, which has the following specific technical scheme:

a high-strength warp knitting machine needle core bed comprises a base, wherein the base is long-strip-shaped, the side section of the base is of a right-angled trapezoid structure, a fixed seat is arranged on the outer wall of the base, a needle groove is formed in the fixed seat, a needle seat is fixed in the needle groove, and a central hole is formed in the center of the base;

through holes distributed in a linear array are formed in the center of the bottom matching surface, and a threaded sleeve is fixed inside each through hole; the through hole is internally provided with a containing groove, a diversion groove and an internal threaded hole in sequence from outside to inside; the screw sleeve comprises an outer ring body and a screw pipe, the outer ring body is arranged at the outer end of the screw pipe, the screw pipe is screwed into the internal thread hole, the outer ring body is embedded into the accommodating groove in a stopping manner, the outer wall of the screw pipe is provided with external thread teeth, the external thread teeth are embedded into the internal thread hole, and a liquid injection hole is formed in the position, opposite to the flow guide groove, of the outer ring body;

the swivel nut is made of superhard aluminum alloy, the base and the fixing seat are formed by carbon fiber prepreg through die pressing, the needle seat is made of composite material, and the composite material is formed by mixing epoxy resin and metal powder.

Further, the outer side surface of the base is sequentially provided with a first vertical side surface, a first inclined side surface, a second vertical side surface, a second inclined side surface and a bottom matching surface in a clockwise direction, the first vertical side surface forms an upper bottom edge of the right trapezoid structure, the first inclined side surface forms an inclined waist edge of the direct trapezoid structure, the second vertical side surface and the second inclined side surface form a lower bottom edge of the right trapezoid structure, and the bottom matching surface forms a straight waist edge of the right trapezoid structure; and the outer wall of the second vertical side surface is provided with a fixed seat.

Furthermore, the middle part of the first inclined side surface protrudes inwards, a first matching groove with a strip-shaped recess is formed in the outer wall of the first inclined side surface, and the second inclined side surface is of a stepped structure.

Furthermore, the side section of the needle groove is U-shaped, a glue filling gap is reserved between the needle groove and the needle seat, and the thickness of the glue filling gap is 0.5-0.6 mm.

Further, the needle file includes riser part, first horizontal plate part and second horizontal plate part, riser part, first horizontal plate part and second horizontal plate part connect gradually and form the U type, the cross-sectional width of first horizontal plate part is greater than the cross-sectional width of second horizontal plate part, the outside perpendicular first folded plate that has bent of tip of first horizontal plate part, the outside perpendicular second folded plate that bends of tip of second horizontal plate part, first folded plate, second folded plate all are fixed in the terminal surface of fixing base.

Further, the inside of centre bore is fixed with the strengthening rib, the strengthening rib includes first swash plate, second swash plate, first swash plate, second swash plate are the V font and connect as an organic wholely, the outer end fixed connection of first swash plate is in the inside bulge of centre bore, the outer end of second swash plate is fixed in the bottom inner wall of centre bore.

The utility model has the beneficial effects that:

1. the mode of presetting the threaded sleeve can facilitate the installation of the needle core machine on the machine tool; the matching design of the liquid injection hole and the diversion trench can ensure that the glue solution passes through the liquid injection hole and the diversion trench and enters the internal thread hole, thereby improving the connection strength of the internal thread hole and the external thread teeth, avoiding the outward separation of the threaded sleeve and improving the installation strength of the needle core bed;

2. the thread sleeve is made of the superhard aluminum alloy, so that the strength of threads is enhanced, the weight of the needle bed is reduced, the quality of the needle bed is more reliable, the working performance is more stable during weaving, and the production efficiency is improved;

3. the base and the fixed seat of the needle core bed are formed by molding carbon fiber prepreg, and the fibers are arranged in various directions, so that the requirements on strength in various directions can be met; in addition, the whole weight of the needle core bed is light, so that the knitting speed of the warp knitting machine is improved and the energy consumption is reduced;

4. the needle seat of the needle core bed is made of composite material, and the composite material is formed by mixing epoxy resin and metal powder; the composite material has almost zero thermal expansion amount and stable needle pitch, and the needle bed during knitting can not be rubbed by the operating temperature of a machine, so that the knitting speed of the warp knitting machine can be improved.

Drawings

FIG. 1 shows a schematic structural view of a high strength warp knitting machine core bed of the present invention;

FIG. 2 shows a schematic overall cross-sectional view of the high strength warp knitting machine core bed of the present invention;

FIG. 3 shows a schematic view of the hub structure of the present invention;

FIG. 4 shows an enlarged schematic view of FIG. 2 at A;

shown in the figure: 1. a base; 11. a bottom mating surface; 111. a receiving groove; 112. a diversion trench; 113. an internally threaded bore; 12. a first vertical side; 13. a first inclined side surface; 131. a first mating groove; 14. a second vertical side; 15. a second oblique side; 2. a central bore; 3. reinforcing ribs; 31. a first sloping plate; 32. a second swash plate; 4. a needle seat; 41. a riser portion; 42. a first cross plate portion; 421. a first folded plate; 43. a second cross-plate portion; 431. a second folded plate; 5. a threaded sleeve; 51. an outer ring body; 511. a liquid injection hole; 52. a solenoid; 53. external thread teeth; 6. a fixed seat; 61. a needle groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

As shown in fig. 1, a high-strength warp knitting machine stylet bed comprises a base 1, wherein the base 1 is strip-shaped, the side section of the base 1 is in a right trapezoid structure, the outer side surface of the base 1 is sequentially provided with a first vertical side surface 12, a first inclined side surface 13, a second vertical side surface 14, a second inclined side surface 15 and a bottom matching surface 11 in a clockwise direction, the first vertical side surface 12 forms the upper bottom edge of the right trapezoid structure, the first inclined side surface 13 forms an inclined waist edge of a direct trapezoid structure, the second vertical side surface 14 and the second inclined side surface 15 form the lower bottom edge of the right trapezoid structure, and the bottom matching surface 11 forms a straight waist edge of the right trapezoid structure;

a fixed seat 6 is arranged on the outer wall of the second vertical side surface 14, a needle groove 61 is formed in the fixed seat 6, and a needle seat 4 is fixed in the needle groove 61; a central hole 2 is formed in the center of the base 1; the base and the fixing seat are integrally processed and formed, the needle groove is an installation area of the needle seat, and the central hole can reduce the whole weight of the needle bed.

The base and the fixed seat of the needle core bed are formed by molding carbon fiber prepreg, and the fibers are arranged in various directions, so that the requirements on strength in various directions can be met; in addition, the whole weight of the needle core bed is light, so that the knitting speed of the warp knitting machine is improved and the energy consumption is reduced;

the needle seat of the needle core bed is made of composite material, and the composite material is formed by mixing epoxy resin and metal powder. The thermal expansion amount of the composite material is almost zero, the needle pitch is stable, and a needle bed cannot be rubbed by the operating temperature of a machine during knitting, so that the knitting speed of a warp knitting machine is improved;

the middle of the first inclined side surface 13 protrudes inwards, a first matching groove 131 with a strip-shaped recess is formed on the outer wall of the first inclined side surface 13, and the second inclined side surface 15 is of a stepped structure.

As shown in fig. 2, the side section of the needle groove 61 is U-shaped, a glue filling gap is left between the needle groove 61 and the needle seat 4, and the thickness of the glue filling gap is 0.5-0.6 mm; the glue filling gap is designed to facilitate the worker to fill the glue solution, so that the needle seat is firmly bonded in the needle groove.

As shown in fig. 3, the needle holder 4 includes a riser portion 41, a first transverse plate portion 42, and a second transverse plate portion 43, the riser portion 41, the first transverse plate portion 42, and the second transverse plate portion 43 are sequentially connected to form a U shape, the cross-sectional width of the first transverse plate portion 42 is greater than that of the second transverse plate portion 43, a first folding plate 421 is perpendicularly bent outward at an end of the first transverse plate portion 42, a second folding plate 431 is perpendicularly bent outward at an end of the second transverse plate portion 43, and both the first folding plate 421 and the second folding plate 431 are fixed to an end surface of the fixing base 6; the U-shaped opening can be matched with the grooved needle, the thickness of the first folded plate is larger than that of the second folded plate, and the length of the first folded plate is larger than that of the second folded plate; the first folded plate and the second folded plate can increase the bonding surface and improve the positioning strength;

as shown in fig. 2, a reinforcing rib 3 is fixed inside the central hole 2, the reinforcing rib 3 includes a first inclined plate 31 and a second inclined plate 32, the first inclined plate 31 and the second inclined plate 32 are connected into a whole in a V-shape, the outer end of the first inclined plate 31 is fixedly connected to the inward protruding portion of the central hole 2, and the outer end of the second inclined plate 32 is fixed to the inner wall of the bottom of the central hole 2; first swash plate can support inside bulge, simultaneously, first swash plate, second swash plate can follow inside support base, improve the intensity of base.

As shown in fig. 4, through holes distributed in a linear array are formed in the center of the bottom matching surface 11, and a threaded sleeve 5 is fixed inside each through hole; the design of presetting the swivel nut can be convenient for the overall assembly of base, and the swivel nut material is superhard aluminum alloy, has strengthened the intensity of screw thread more, has alleviateed the weight of needle bed simultaneously again, and the needle bed quality is more reliable, and the working property is more stable when weaving, is favorable to improving production efficiency.

As shown in fig. 4, the through hole is internally provided with a receiving groove 111, a diversion groove 112 and an internal threaded hole 113 in sequence from outside to inside; the screw sleeve 5 comprises an outer ring body 51 and a screw tube 52, the outer ring body 51 is arranged at the outer end of the screw tube 52, the screw tube 52 is screwed into the inner threaded hole 113, the outer ring body 51 is embedded into the accommodating groove 111 in a stopping manner, the outer wall of the screw tube 52 is provided with outer thread teeth 53, the outer thread teeth 53 are embedded into the inner threaded hole 113, and a liquid injection hole 511 is formed in the position, opposite to the guide groove 112, of the outer ring body 51; when the location, the screwed pipe can screw in to the internal thread downthehole, and the external screw thread tooth cooperation is embedded into the internal thread downthehole, and outer annular body is contradicted and is being accomodate the inslot, realizes presetting the location, annotates the cooperation design of liquid hole, guiding gutter, can make the glue solution pass and annotate liquid hole, guiding gutter enter into the internal thread downthehole, improves the joint strength in internal thread hole, external screw thread tooth, avoids the swivel nut outwards to break away from.

The utility model is implemented as follows:

during assembly, an adhesive with the thickness of 0.5mm is coated on the outer walls of the needle groove 61 and the fixed seat 6, then the needle seat 4 is embedded into the needle groove 61, and the needle seat 4 and the fixed seat 6 are connected into a whole; the screw tube 52 is screwed into the internally threaded hole 113 and then filled with the adhesive.

It is noted that, in this document, relational terms such as first and second, and the like, if any, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. A high strength tricot machine nook closing member bed which characterized in that: the needle base structure comprises a base (1), wherein the base (1) is in a long strip shape, the side section of the base (1) is in a right-angled trapezoid structure, a fixed seat (6) is arranged on the outer wall of the base (1), a needle groove (61) is formed in the fixed seat (6), a needle base (4) is fixed in the needle groove (61), and a center hole (2) is formed in the center of the base (1);

through holes distributed in a linear array are formed in the center of the bottom of the base (1), and a threaded sleeve (5) is fixed inside each through hole; the through hole is internally provided with a containing groove (111), a diversion groove (112) and an internal threaded hole (113) from outside to inside in sequence; the thread insert (5) comprises an outer ring body (51) and a thread pipe (52), the outer ring body (51) is arranged at the outer end of the thread pipe (52), the thread pipe (52) is screwed into the inner threaded hole (113), the outer ring body (51) is embedded into the accommodating groove (111) in a stopping way, outer thread teeth (53) are arranged on the outer wall of the thread pipe (52), the outer thread teeth (53) are embedded into the inner threaded hole (113), and a liquid injection hole (511) is formed in the position, opposite to the flow guide groove (112), of the outer ring body (51);

the thread insert (5) is made of superhard aluminum alloy, the base (1) and the fixing seat (6) are formed by carbon fiber prepreg in a mould pressing mode, the needle seat (4) is made of composite materials, and the composite materials are formed by mixing epoxy resin and metal powder.

2. The high strength warp knitting machine core bed as claimed in claim 1, wherein: the outer side surface of the base (1) is sequentially provided with a first vertical side surface (12), a first inclined side surface (13), a second vertical side surface (14), a second inclined side surface (15) and a bottom matching surface (11) in a clockwise direction, the first vertical side surface (12) forms an upper bottom edge of a right trapezoid structure, the first inclined side surface (13) forms an inclined waist edge of a direct trapezoid structure, the second vertical side surface (14) and the second inclined side surface (15) form a lower bottom edge of the right trapezoid structure, and the bottom matching surface (11) forms a straight waist edge of the right trapezoid structure; and a fixed seat (6) is arranged on the outer wall of the second vertical side surface (14).

3. The high strength warp knitting machine core bed as claimed in claim 2, wherein: the middle part of the first inclined side surface (13) protrudes inwards, a first matching groove (131) with a strip-shaped recess is formed in the outer wall of the first inclined side surface (13), and the second inclined side surface (15) is of a stepped structure.

4. The high strength warp knitting machine core bed as claimed in claim 1, wherein: the side cross section of the needle groove (61) is U-shaped, a glue filling gap is reserved between the needle groove (61) and the needle seat (4), and the thickness of the glue filling gap is 0.5-0.6 mm.

5. The high strength warp knitting machine core bed as claimed in claim 1, wherein: the needle base (4) comprises a vertical plate portion (41), a first transverse plate portion (42) and a second transverse plate portion (43), wherein the vertical plate portion (41), the first transverse plate portion (42) and the second transverse plate portion (43) are sequentially connected to form a U shape, the section width of the first transverse plate portion (42) is larger than that of the second transverse plate portion (43), a first folding plate (421) is outwards and vertically bent at the end portion of the first transverse plate portion (42), a second folding plate (431) is outwards and vertically bent at the end portion of the second transverse plate portion (43), and the first folding plate (421) and the second folding plate (431) are fixed on the end face of the fixing base (6).

6. The high strength warp knitting machine core bed as claimed in claim 1, wherein: the inside of centre bore (2) is fixed with strengthening rib (3), strengthening rib (3) are including first swash plate (31), second swash plate (32), first swash plate (31), second swash plate (32) are the V font and connect as an organic wholely, the outer end fixed connection of first swash plate (31) is in the inside bulge of centre bore (2), the outer end of second swash plate (32) is fixed in the bottom inner wall of centre bore (2).