CN212800658U

CN212800658U - Heavy-duty spindle

Info

Publication number: CN212800658U
Application number: CN202020439423.4U
Authority: CN
Inventors: 向樟松; 徐勇; 殷丹平
Original assignee: Jiangsu Zhandong Textile Machinery Co ltd
Current assignee: Jiangsu Zhandong Textile Machinery Co ltd
Priority date: 2020-03-31
Filing date: 2020-03-31
Publication date: 2021-03-26
Anticipated expiration: 2030-03-31

Abstract

The utility model discloses a heavy-load spindle, which comprises a spindle blade rotatably supported on a spindle foot, wherein the spindle blade comprises a spindle blade upper part, a spindle blade middle part and a spindle blade lower part, the upper end of the spindle blade lower part is fixedly connected with a spindle disc, the spindle blade middle part is tubular, a plurality of perforations are arranged on the pipe wall of the spindle blade, the plurality of perforations are uniformly distributed with a plurality of rows along the circumferential direction, and the spindle blade upper part and the spindle blade lower part are respectively fixedly connected with two ends of the spindle blade middle part in an inserting manner; a support is arranged at the upper part of the spindle rod and comprises a support ball body, the support ball body is arranged in a support mounting groove at the periphery of the upper part of the spindle rod, and a disc-shaped reed is arranged between the support ball body and the bottom of the support mounting groove; a gland is clamped in the supporting device mounting groove, a limiting hole with the diameter D smaller than the diameter D of the supporting ball body is formed in the gland, and the surface of the supporting ball body is attached to the inner hole orifice and the limiting hole of the disc-shaped reed. Adopt the utility model discloses a heavy load type spindle can have lighter spindle blade weight, and has higher rigidity, can also make the bobbin plug convenient, the resistance is little simultaneously.

Description

Heavy-duty spindle

Technical Field

The utility model relates to a textile equipment especially relates to the spindle in the ring spinning machinery.

Background

In a ring spinning machine, a spindle is a main component for realizing the twisting and winding functions in the spinning process, a bobbin for winding spun yarns is inserted on a spindle blade of the spindle, and a spindle disc on the spindle blade is driven by a spindle driving belt to rotate at a high speed.

The spindle blade is a slender rod piece, the lower end of the spindle blade is rotatably supported on the spindle foot through a bearing, the spindle disc is arranged in the middle of the spindle blade, and the upper end and the lower end of the bobbin are respectively inserted in the upper part of the spindle blade and the upper part of the spindle disc; in order to improve the production efficiency and spinning quality of the spinning machine and reduce the power consumption, the spindle blade must have higher rigidity and lighter self weight, and the connection between the bobbin and the spindle blade must ensure enough driving torque and simultaneously ensure the convenience of inserting and pulling the bobbin.

The ingot rod is generally in two forms of a polished rod and an aluminum sleeve, the polished rod ingot rod is thin in diameter and can reduce the weight of the ingot rod, the polished rod ingot rod is generally processed and manufactured by high-strength high-quality steel, and the aluminum sleeve ingot rod is made of aluminum materials on the upper portion of the ingot rod and can reduce the weight of the ingot rod under the condition that the rigidity is ensured by a larger diameter; in order to ensure that a spindle blade can drive a bobbin to rotate stably, a connection mode of the bobbin and the spindle blade is in various forms, in cotton and wool spinning machinery, a bobbin support is arranged on the upper portion of the spindle blade, the bobbin support is attached to the inner wall of the upper portion of the bobbin under the action of a spiral compression spring to support the bobbin, the lower portion of the bobbin is inserted into a conical surface of the upper portion of a spindle disc on the spindle blade, the spindle blade drives the bobbin to rotate, and the bobbin support is arranged on the spindle blade in the connection mode. The two spindle blade structural forms and the structural form of the bobbin supporter in the prior art can be well applied to the use occasions with small package bobbins and not too high spindle rotating speed, but for the use occasions needing high-speed large packages of a spinning machine, the weight of the bobbins and the yarns on the bobbins is increased, the load of the spindles is obviously increased, the spindles of the spindle blade of the prior polished rod or aluminum sleeve structure are not rigid enough, the requirements of ensuring high rigidity and light self weight cannot be well met, and the inserting and pulling resistance of the bobbin supporter in the prior art is more inconvenient for inserting and pulling the bobbins with heavy weight.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to provide a heavy load type spindle, which can have a light spindle blade weight and a high rigidity, and can also make the bobbin plug convenient and the resistance small.

In order to solve the technical problem, the utility model discloses a heavy-duty spindle, including the spindle blade that the rotation support was on the spindle foot, linked firmly the spindle disk on the spindle blade, the spindle blade includes spindle blade upper portion, spindle blade middle part and spindle blade lower part, the spindle disk links firmly with the spindle blade lower part, the spindle blade middle part is the tubulose, is equipped with a plurality of perforation on the pipe wall in the middle part of the tubulose spindle blade, and these a plurality of perforation have a plurality of rows along the circumference equipartition, the perforation is the elliptical aperture, and the major axis of elliptical aperture is parallel with the spindle blade axial, spindle blade upper portion and spindle blade lower part peg graft respectively and link firmly at spindle blade middle part both ends; a support is arranged at the upper part of the spindle blade, the support comprises a support ball body, the support ball body is arranged in a support mounting groove at the periphery of the upper part of the spindle blade, a disc-shaped reed is arranged between the support ball body and the bottom of the support mounting groove, and an inner hole orifice of the disc-shaped reed is attached to the surface of the support ball body; the support mounting groove is internally provided with a gland, the gland is provided with a limit hole, the diameter D of the limit hole is smaller than the diameter D of the support ball, and the surface of the support ball is attached to the limit hole.

In the structure, the spindle blade comprises the upper spindle blade part, the middle spindle blade part and the lower spindle blade part, the spindle disc is fixedly connected with the lower spindle blade part, the middle part of the spindle blade is tubular, the pipe wall of the middle part of the tubular spindle blade is provided with a plurality of through holes, the plurality of through holes are evenly distributed with a plurality of rows along the circumferential direction, the through holes are elliptical holes, the long axes of the elliptical holes are parallel to the axial direction of the spindle blade, the upper part and the lower part of the spindle blade are respectively spliced and fixedly connected with the two ends of the middle part of the spindle blade, the middle part of the spindle blade is improved to a hollow tubular structure from a conventional solid rod structure, the rigidity of the rod can be greatly improved under the condition of similar self weight compared with the conventional polished rod spindle blade, and the hollow structure can reduce the material consumption of the spindle blade compared with the conventional aluminum sleeve spindle blade, under the condition that the middle part of the ingot rod is made of steel materials, the ingot rod has higher rigidity than an aluminum solid rod piece, and the ingot rod and the aluminum solid rod piece still have similar weight; the middle part of the spindle blade is provided with a plurality of through holes, the weight of the middle part of the spindle blade can be obviously reduced, and the through holes are elliptical holes with long axes parallel to the axial direction of the spindle blade, so that the rigidity of the middle part of the spindle blade made of steel materials after being opened can not be obviously weakened due to the through holes, and is still higher than that of a conventional polished rod spindle blade or an aluminum sleeve spindle blade; the integral spindle blade adopts a split combined structure, so that the manufacturing and processing of a middle tubular structure and a through hole of the spindle blade are facilitated, and meanwhile, the installation and insertion mode of a conventional bobbin is still kept.

And because the upper part of the spindle blade is provided with a support, the support comprises a support ball body, the support ball body is arranged in a support mounting groove at the periphery of the upper part of the spindle blade, a disk-shaped spring leaf is arranged between the support ball body and the bottom of the support mounting groove, an inner hole orifice of the disk-shaped spring leaf is jointed with the surface of the support ball body, a gland is clamped in the support mounting groove, a limit hole is arranged on the gland, the diameter D of the limit hole is smaller than the diameter D of the support ball body, and the surface of the support ball body is jointed with the limit hole, the support effect of the support to the bobbin is realized by the support ball body, the disk-shaped spring leaf positioned between the support ball body and the bottom of the support mounting groove utilizes the inner hole orifice to be jointed with the surface of the support ball body to support the support ball body on one hand, and utilizes the elasticity of the support ball, the bobbin can be supported strongly, and in the process of inserting and pulling the bobbin, the supporting ball and the inner wall of the bobbin are not in sliding friction but in rolling friction like the conventional support, so that the friction resistance in the process of inserting and pulling the bobbin is greatly reduced, and the bobbin is convenient to insert and pull; the supporting ball is limited in the supporting mounting groove of the spindle blade by the pressing cover clamped in the supporting mounting groove through the limiting hole with the diameter smaller than that of the supporting ball, the surface of the supporting ball penetrates through the pressing cover to be contacted with the inner wall of the bobbin, and the limiting hole and the inner hole of the disc-shaped reed form mounting and positioning of the supporting ball and flexible rotation of the supporting ball in the limiting hole, so that the supporting ball is guaranteed to be in a good working state.

Therefore, the improved spindle has lighter spindle blade weight and higher rigidity, and simultaneously, the bobbin can be conveniently inserted and pulled out and has small resistance, thereby meeting the use requirement of high-speed large packages of spinning machinery.

In a preferred embodiment of the present invention, the middle portion of the spindle blade is in a tapered tubular shape. With this embodiment, the central portion of the spindle blade can be made to correspond to the shape of the inner wall of the bobbin as much as possible, and the radial dimension of the central portion of the spindle blade can be made as large as possible, thereby further improving the rigidity of the spindle blade.

The utility model discloses a another kind of preferred embodiment, a plurality of perforation have 6 ~ 20 rows along the circumference equipartition. By adopting the embodiment, the punching requirements of spindles with different specifications can be met, and the weight of the spindle blade and the rigidity of the spindle blade are in an optimal state.

The utility model discloses a further preferred embodiment, a plurality of perforation have 12 ~ 16 rows along the circumference equipartition. By adopting the embodiment, the perforation requirement of the conventional cotton and wool spinning spindle can be met.

The utility model discloses further preferred embodiment, two adjacent columns of perforation are along axial staggered arrangement. With this embodiment, the ingot rod can have a higher rigidity with the same number of weight-reducing perforations.

In another preferred embodiment of the present invention, the distance a between two adjacent rows of the central connecting lines of the perforations on the inner wall of the middle portion of the spindle blade is two to four times the length B of the elliptical short axis of the perforations. By adopting the embodiment, the middle part of the spindle blade can be ensured to be provided with the through hole and still maintain enough strength and required rigidity.

In a further preferred embodiment of the present invention, the hole distance E between two adjacent holes in the same row of holes is 1.5 to 2 times the length F of the ellipse major axis of the hole. By adopting the embodiment, the middle part of the spindle blade can be ensured to be provided with the through hole and still maintain enough strength and required rigidity.

The utility model discloses further preferred embodiment, the surface of gland is arc, and the radius R that is convex gland surface is corresponding with the radius R at gland place spindle blade position, spacing hole is seted up in the middle part of the convex surface of gland the both sides of gland are equipped with the enhancement hem the both ends of gland are equipped with the joint hem. By adopting the embodiment, the outer surface of the installed gland corresponds to the shape of the spindle blade part where the gland is located, and the appearance is good; the reinforcing folded edge ensures that the gland has certain rigidity, and ensures that the gland cannot deform under the elastic action of the disc-shaped reed to influence the appearance and the use effect; the gland can be connected with the holder mounting groove through the joint hem in a clamped manner, so that the gland is well positioned with the holder mounting groove.

The utility model discloses another further preferred embodiment, the bottom of supporter mounting groove is equipped with dish reed mounting hole, is equipped with the gland draw-in groove corresponding with the joint hem of gland in the side of supporter mounting groove. By adopting the embodiment, the disc-shaped reed can be conveniently installed and positioned through the disc-shaped reed installing hole, and the arranged gland clamping groove can ensure the clamping installation of the gland and has an accurate installing position.

In a still further preferred embodiment of the present invention, three to six holder mounting grooves are formed in the outer circumference of the upper portion of the spindle blade, and the holder mounting grooves are circumferentially and uniformly arranged. By adopting the embodiment, three to six supports can be arranged at the upper part of the spindle blade, and the bobbin can be well supported.

Drawings

The heavy-duty spindle of the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic structural view of an embodiment of a heavy-duty spindle of the present invention;

FIG. 2 is a schematic view of the structure of the spindle blade in the structure shown in FIG. 1

FIG. 3 is a cross-sectional view taken at B-B of the structure shown in FIG. 2;

FIG. 4 is a cross-sectional view taken at location A-A of the structure of FIG. 1;

FIG. 5 is a cross-sectional view of a holder mounting groove portion of the structure shown in FIG. 2;

FIG. 6 is a schematic view of the gland of the structure shown in FIG. 4;

fig. 7 is a top view of fig. 6.

In the figure: 1-bobbin, 2-support, 21-support ball, 22-disc spring, 23-gland, 231-reinforced folding edge, 232-limit hole, 233-clamping folding edge, 3-spindle blade, 31-support mounting groove, 311-disc spring mounting hole, 312-gland clamping groove, 32-upper spindle blade, 33-middle spindle blade, 34-through hole, 35-lower spindle blade, 4-spindle disk and 5-spindle blade.

Detailed Description

In the heavy-duty spindle shown in fig. 1, a spindle blade 3 is rotatably supported on a spindle foot 5, a spindle disc 4 is fixedly connected to the middle part of the spindle blade 3, a supporting device 2 is arranged at the upper end of the spindle blade 3, a bobbin 1 is inserted into the spindle blade 3 in a working state, the lower end of the bobbin is inserted into a conical surface at the upper part of the spindle disc 4, and the upper end of the bobbin is supported by the supporting device 2.

Referring to fig. 2 and 3, the spindle blade 3 includes a spindle blade upper portion 32, a spindle blade middle portion 33 and a spindle blade lower portion 35, the spindle disk 4 is fixedly connected to the spindle blade lower portion 35, the spindle blade middle portion 33 is tubular, the spindle blade middle portion 33 is preferably conical tubular, a plurality of through holes 34 are formed in a tube wall of the tubular spindle blade middle portion 33, the through holes 34 are elliptical holes, a long axis of each elliptical hole is axially parallel to the spindle blade 3, a plurality of rows of the through holes 34 are circumferentially uniformly distributed, generally, 6 to 20 rows, preferably 12 to 16 rows, are circumferentially uniformly distributed in the plurality of through holes 34, two adjacent rows of the through holes 34 are axially staggered, a distance a between center connecting lines of the two adjacent rows of the through holes 34 on an inner wall of the spindle blade middle portion 33 is two to four times an elliptical short axis length B of the through holes 34, and a hole distance E between two adjacent through holes 34 in the same row of the through holes 34 is 1.5; the middle part 33, the upper part 32 and the lower part 35 of the spindle blade are all made of steel materials, and the upper part 32 and the lower part 35 of the spindle blade are respectively spliced and fixedly connected at two ends of the middle part 33 of the spindle blade to be connected into a whole.

The support 2 is arranged on the periphery of the upper part 32 of the spindle blade, referring to fig. 4, the support 2 comprises a support ball 21, the support ball 21 is arranged in a support mounting groove 31 on the periphery of the upper part 32 of the spindle blade, referring to fig. 5, a disc-shaped reed mounting hole 311 is arranged at the bottom of the support mounting groove 31, a gland clamping groove 312 is arranged on the side surface of the support mounting groove 31, a disc-shaped reed 22 is arranged between the support ball 21 and the bottom of the disc-shaped reed mounting hole 311 on the bottom of the support mounting groove 31, the disc-shaped reed 22 is in a conical ring shape, the bottom edge of the disc-shaped reed 22 is attached to the bottom surface of the disc-shaped reed mounting hole; the gland 23 is clamped in the holder mounting groove 31 through a gland clamping groove 312, referring to fig. 6 and 7, the outer surface of the gland 23 is arc-shaped, the radius R of the outer surface of the arc-shaped gland 23 corresponds to the radius R of the corresponding part on the spindle blade 3 where the gland 23 is located, the gland 23 is provided with a limiting hole 232, the limiting hole 232 is arranged in the middle of the arc-shaped outer surface of the gland 23, the diameter D of the limiting hole 232 is smaller than the diameter D of the supporting ball 21, the surface of the supporting ball 21 is attached to the limiting hole 232 under the action of the disc-shaped reed 22, after the bobbin 1 is inserted, the supporting ball 21 is contacted with the inner wall of the bobbin 1 and forms powerful and good support for the bobbin 1 under the action of the disc-shaped reed 22, so that in the inserting and pulling process of the bobbin 1, rolling friction is formed between the holder 2 and the inner wall of the bobbin 1; reinforcing flanges 231 are provided at both sides of the gland 23 to improve rigidity of the gland 23, clamping flanges 233 are provided at both ends of the gland 23, and the clamping flanges 233 are inserted into gland catching grooves 312 provided at the side surfaces of the holder mounting groove 31 corresponding to the clamping flanges 233 of the gland 23. Three holder mounting grooves 31 are formed on the outer periphery of the upper portion 32 of the spindle blade, and the holder mounting grooves 31 are uniformly distributed along the circumferential direction, so that the bobbin 1 is stably supported.

The above description has been presented only for the purpose of illustrating certain preferred embodiments of the invention, and it is not to be taken as a limitation on the invention, as many modifications and variations are possible. If the through holes 34 are not uniformly distributed with 6-20 rows along the circumferential direction, three-five rows along the circumferential direction, or more than 20 rows along the circumferential direction; instead of three holder mounting grooves 31, four, five, or six holder mounting grooves 31 may be provided on the outer periphery of the spindle blade upper portion 32, and the holder mounting grooves 31 are uniformly distributed in the circumferential direction. Therefore, any improvement and changes made on the basis of the basic principle of the present invention should be considered as falling within the protection scope of the present invention.

Claims

1. A heavy-load spindle comprises a spindle blade (3) rotatably supported on a spindle foot (5), and a spindle disc (4) is fixedly connected to the spindle blade (3), and is characterized in that: the ingot rod (3) comprises an upper ingot rod part (32), a middle ingot rod part (33) and a lower ingot rod part (35), the spindle disc (4) is fixedly connected with the lower ingot rod part (35), the middle ingot rod part (33) is tubular, a plurality of through holes (34) are formed in the pipe wall of the tubular middle ingot rod part (33), a plurality of rows of the through holes (34) are uniformly distributed along the circumferential direction, the through holes (34) are elliptical holes, the long axes of the elliptical holes are axially parallel to the ingot rod (3), and the upper ingot rod part (32) and the lower ingot rod part (35) are fixedly connected to two ends of the middle ingot rod part (33) in an inserting mode respectively; a support (2) is arranged on the upper part (32) of the spindle blade, the support (2) comprises a support ball body (21), the support ball body (21) is arranged in a support mounting groove (31) on the periphery of the upper part (32) of the spindle blade, a disc-shaped reed (22) is arranged between the support ball body (21) and the bottom of the support mounting groove (31), and an inner hole opening of the disc-shaped reed (22) is attached to the surface of the support ball body (21); still joint in holder mounting groove (31) has gland (23), and it has spacing hole (232) to open on gland (23), and the diameter D of spacing hole (232) is less than the diameter D of supporting spheroid (21), supports spheroid (21) surface and laminates mutually with spacing hole (232).

2. The heavy-duty spindle according to claim 1, characterized in that: the middle part (33) of the spindle blade is in a conical tube shape.

3. The heavy-duty spindle according to claim 1, characterized in that: the plurality of through holes (34) are uniformly distributed with 6-20 rows along the circumferential direction.

4. A heavy duty spindle according to claim 3, wherein: the plurality of through holes (34) are uniformly distributed with 12-16 rows along the circumferential direction.

5. Heavy duty spindle according to claim 1, 3 or 4, characterized in that: two adjacent columns of the perforations (34) are staggered along the axial direction.

6. Heavy duty spindle according to claim 1, 3 or 4, characterized in that: the distance A between the central connecting lines of two adjacent rows of through holes (34) on the inner wall of the middle part (33) of the spindle blade is two to four times of the length B of the elliptical short axis of the through holes (34).

7. Heavy duty spindle according to claim 1, 3 or 4, characterized in that: the pitch E between two adjacent perforations (34) in the same row of perforations (34) is 1.5 to 2 times the length F of the ellipse major axis of the perforations (34).

8. The heavy-duty spindle according to claim 1, characterized in that: the outer surface of the pressing cover (23) is arc-shaped, the radius R of the outer surface of the arc-shaped pressing cover (23) corresponds to the radius R of the spindle blade (3) where the pressing cover (23) is located, the limiting hole (232) is formed in the middle of the arc-shaped outer surface of the pressing cover (23), reinforcing folding edges (231) are arranged on two sides of the pressing cover (23), and clamping folding edges (233) are arranged at two ends of the pressing cover (23).

9. The heavy-duty spindle according to claim 1, characterized in that: the bottom of the support mounting groove (31) is provided with a disc-shaped reed mounting hole (311), and the side surface of the support mounting groove (31) is provided with a gland clamping groove (312) corresponding to the clamping folding edge (233) of the gland (23).

10. The heavy-duty spindle according to claim 1, characterized in that: three to six support mounting grooves (31) are formed in the periphery of the upper portion (32) of the spindle blade, and the support mounting grooves (31) are uniformly distributed along the circumferential direction.