Yarn bobbin fixing device

Abstract

The utility model aims to provide a spool fixer, which solves the problem that the fixer can only fix a single spool, and comprises a clamping component and a telescopic component, the clamping component comprises a first clamping block and a second clamping block, the first clamping block is provided with a first conical surface, the second clamping block is provided with a second conical surface, and the telescopic component is arranged on the first conical surface. The first conical surface and the second conical surface are oppositely arranged; the telescopic assembly comprises a center shaft, a plurality of telescopic pieces and an annular spring, a plurality of clamping grooves are formed in the hollow shaft, the clamping grooves are formed around the hollow shaft, and the telescopic pieces can move on the first conical surface and the second conical surface when the telescopic pieces are extruded by the first clamping block and the second clamping block from the two ends; according to the fixing device, the telescopic pieces are pushed outwards through the first conical surface and the second conical surface, the inner diameters of the telescopic pieces are increased, if the fixing device is suitable for bobbins with small inner diameters, reverse operation is conducted, the fixing device can fix the bobbins with different inner diameters, and therefore the problem that the fixing device can only fix a single bobbin is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of weaving, in particular to a yarn drum fixer. BACKGROUND

[0002] Because the inner diameter size of different specifications yarn drum is different, the yarn drum fixer is single in purpose, and the conventional method is to replace different fixers according to the inner diameter size of the yarn drum, so that multiple yarn drum fixers are needed, the cost is increased, and time is needed in the replacement process, and the overall work efficiency is low. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at providing a yarn drum fixer, and solves the problem that the fixer can only fix a single yarn drum.

[0004] To achieve the above-mentioned purpose, the utility model adopts the technical scheme that:

[0005] The utility model provides a yarn drum fixer, which comprises a clamping assembly and a telescopic assembly, characterized by,

[0006] The clamping assembly comprises a first clamping block and a second clamping block, the first clamping block is provided with a first taper surface, the second clamping block is provided with a second taper surface, and the first taper surface and the second taper surface are oppositely arranged.

[0007] The telescopic assembly comprises a central shaft, a plurality of telescopic pieces and a ring spring, a plurality of clamping grooves are arranged on the hollow shaft, the clamping grooves are arranged around the hollow shaft, the telescopic pieces are arranged in the clamping grooves, the ring spring is used for stringing up the plurality of telescopic pieces, the first end of the telescopic piece is lapped on the first taper surface, and the second end of the telescopic piece is lapped on the second taper surface.

[0008] Optionally, the clamping assembly further comprises a rotating shaft, the rotating shaft is arranged on the equipment, the central shaft is provided with a through hole, the rotating shaft is sleeved in the through hole, and the first clamping block and the second clamping block are respectively sleeved at both ends of the rotating shaft.

[0009] Further, the clamping assembly further comprises a sleeve ring, the outer end of the rotating shaft is provided with external threads, the sleeve ring is provided with internal threads, the sleeve ring is in threaded connection with the rotating shaft, and the sleeve ring is used for abutting against the first clamping block.

[0010] Optionally, the two ends of the telescopic piece are respectively provided with a first inclined surface and a second inclined surface, the first inclined surface is lapped on the first taper surface, and the second inclined surface is lapped on the second taper surface.

[0011] Optionally, the central shaft is further provided with a plurality of first limiting rings and a plurality of second limiting rings, and the first limiting ring and the second limiting ring are respectively located at both ends of the central shaft.

[0012] Further, a first limiting groove is formed between two adjacent first limiting rings, and the first limiting groove is communicated with the clamping groove.

[0013] Further, a second limiting groove is formed between two adjacent second limiting rings, and the second limiting groove is communicated with the clamping groove.

[0014] Further, the telescopic piece extends into the first limiting groove and the second limiting groove.

[0015] Due to the above technical scheme, the utility model has the following advantages compared with the prior art:

[0016] The utility model relates to a yarn drum fixer, when the first clamping block and the second clamping block extrude the telescopic piece from both ends, the telescopic piece can move on the first taper surface and the second taper surface, which is equivalent to that the first taper surface and the second taper surface push the plurality of telescopic pieces outward, the plurality of telescopic pieces expand the inner diameter, if the yarn drum of smaller inner diameter is needed, reverse operation is carried out, the fixer can fix the yarn drum of multiple different inner diameters, thereby solving the problem that the fixer can only fix single yarn drum. BRIEF DESCRIPTION OF DRAWINGS

[0017] Some specific embodiments of the utility model will be described in detail below with reference to the accompanying drawings in an exemplary but not restrictive manner. The same reference signs in the drawings indicate the same or similar components or parts. Those skilled in the art should understand that the drawings are not necessarily drawn to scale. In the drawings:

[0018] Figure 1 is a perspective view of a yarn drum fixer according to a preferred embodiment of the utility model;

[0019] Figure 2 is Figure 1 a perspective view of the telescopic assembly shown in the figure;

[0020] Figure 3 is a side view of the first clamping block and the second clamping block;

[0021] Figure 4 is Figure 1 an enlarged view of the partial structure of the clamping assembly shown in the figure;

[0022] Figure 5 is Figure 1 a perspective view from another angle shown in the figure;

[0023] Figure 6 is a side view of the telescopic piece.

[0024] In the drawings, the reference signs are explained as follows:

[0025] 1, clamping assembly; 2, telescopic assembly; 11, first clamping block; 12, second clamping block; 13, first taper surface; 14, second taper surface; 15, rotating shaft; 16, collar; 20, through hole; 21, central shaft; 22, telescopic piece; 23, annular spring; 24, clamping groove; 25, first inclined surface; 26, second inclined surface; 27, first limiting ring; 28, second limiting ring; 270, first limiting groove; 280, second limiting groove. DETAILED DESCRIPTION

[0026] The technical solutions of the present application will be described clearly and completely below with reference to the drawings. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0027] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0028] In addition, the technical features involved in the different embodiments of the present application described below can be combined with each other as long as there is no conflict between them.

[0029] As shown in Figure 1 and Figure 2 and Figure 3 A yarn drum holder, comprising a clamping assembly 1 and a telescopic assembly 2, the yarn drum is used to be sleeved on the telescopic assembly 2, and the clamping assembly 1 is used to clamp the yarn drum.

[0030] The clamping assembly 1 comprises a first clamping block 11 and a second clamping block 12, the first clamping block 11 has a first taper surface 13, the second clamping block 12 has a second taper surface 14, the first taper surface 13 is arranged opposite to the second taper surface 14, and the telescopic assembly 2 is located between the first clamping block 11 and the second clamping block 12.

[0031] The telescopic assembly 2 comprises a central shaft 21, a plurality of telescopic pieces 22 and a ring spring 23, the central shaft 21 is provided with a plurality of clamping grooves 24, the clamping grooves 24 are arranged around the central shaft 21, the telescopic pieces 22 are arranged in the clamping grooves 24, the telescopic pieces 22 can move in the clamping grooves 24, the ring spring 23 strings up the plurality of telescopic pieces 22, no matter the plurality of telescopic pieces 22 expand or contract, the ring spring 23 has a force on the plurality of telescopic pieces 22, the first end of the telescopic piece 22 is lapped on the first conical surface 13, and the second end of the telescopic piece 22 is lapped on the second conical surface 14.

[0032] According to the size of the inner diameter of the yarn cylinder, the distance between the first clamping block 11 and the second clamping block 12 is adjusted, if the outer diameter of the plurality of telescopic pieces 22 is less than the inner diameter of the yarn cylinder, the first clamping block 11 and the second clamping block 12 are made close to each other, so that the two ends of the telescopic piece 22 are respectively supported outward by the first conical surface 13 and the second conical surface 14, until the plurality of telescopic pieces 22 can support the inner wall of the yarn cylinder, if the outer diameter of the plurality of telescopic pieces 22 is greater than the inner diameter of the yarn cylinder, the first clamping block 11 and the second clamping block 12 are made away from each other, so that the two ends of the telescopic piece 22 are respectively inwards on the first conical surface 13 and the second conical surface 14, until the plurality of telescopic pieces 22 can support the inner wall of the yarn cylinder again.

[0033] The clamping assembly 1 further comprises a rotating shaft 15, the rotating shaft 15 is arranged on the device, the rotating shaft 15 can rotate, the central shaft 21 has a through hole 20, the rotating shaft 15 is sleeved in the through hole 20, the first clamping block 11 and the second clamping block 12 are respectively sleeved at both ends of the rotating shaft 15, when the rotating shaft 15 rotates, the central shaft 21 rotates together, the first clamping block 11 can move on the rotating shaft 15, and the second clamping block 12 is fixed.

[0034] The clamping assembly 1 further comprises a sleeve ring 16, the outer end of the rotating shaft 15 has an external thread, the sleeve ring 16 has an internal thread, the sleeve ring 16 is screwed with the rotating shaft 15, and the sleeve ring 16 is used for abutting against the first clamping block 11, so that the sleeve ring 16 can abut against or move away from the first clamping block 11 by rotating, so that the first clamping block 11 can abut against or move away from the second clamping block 12, that is, the plurality of telescopic pieces 22 can expand outward or contract inward.

[0035] The two ends of the telescopic piece 22 are respectively provided with a first inclined surface 25 and a second inclined surface 26, the first inclined surface 25 is lapped on the first conical surface 13, and the second inclined surface 26 is lapped on the second conical surface 14, so that the first inclined surface 25 slides on the first conical surface 13, and the second inclined surface 26 slides on the second conical surface 14, so that the telescopic piece 22 can slide on the first conical surface 13 and the second conical surface 14.

[0036] The central shaft 21 further has a plurality of first limiting rings 27 and a plurality of second limiting rings 28, the first limiting rings 27 and the second limiting rings 28 are respectively located at two ends of the central shaft 21, and the first limiting rings 27 and the second limiting rings 28 protrude outward from the central shaft 21.

[0037] A first limiting groove 270 is formed between two adjacent first limiting rings 27, the first limiting groove 270 is communicated with the clamping groove 24, a second limiting groove 280 is formed between two adjacent second limiting rings 28, the second limiting groove 280 is communicated with the clamping groove 24, and the first limiting groove 270 is located in the extension direction of the second limiting groove 280, so that the first limiting groove 270 and the second limiting groove 280 can prevent the telescopic sheet 22 from falling off.

[0038] The telescopic sheet 22 extends into the first limiting groove 270 and the second limiting groove 280, and further limits the shaking of the telescopic sheet 22.

[0039] Further, the annular spring 23 can also be provided with two, and the two annular springs 23 are respectively located at two ends of the plurality of telescopic sheets 22.

[0040] The above embodiments are only for illustrating the technical concept and characteristics of the utility model, the purpose is to enable people skilled in the art to understand the content of the utility model and to implement it, and it cannot limit the protection scope of the utility model, any equivalent change or modification according to the spirit and essence of the utility model should be covered in the protection scope of the utility model.

Claims

1. A spool holder, comprising a clamping assembly (1) and a telescopic assembly (2), characterized in that, the clamping assembly (1) comprises a first clamping block (11) and a second clamping block (12), the first clamping block (11) has a first taper surface (13), the second clamping block (12) has a second taper surface (14), the first taper surface (13) is arranged opposite to the second taper surface (14); the telescopic assembly (2) comprises a central shaft (21), a plurality of telescopic pieces (22) and a ring spring (23), the central shaft (21) is provided with a plurality of clamping grooves (24), the clamping grooves (24) are arranged around the central shaft (21), the telescopic pieces (22) are arranged in the clamping grooves (24), the ring spring (23) strings up the plurality of telescopic pieces (22), the first ends of the telescopic pieces (22) are overlapped on the first taper surface (13), and the second ends of the telescopic pieces (22) are overlapped on the second taper surface (14).

2. The bobbin holder of claim 1, wherein the clamping assembly (1) further comprises a rotating shaft (15), the rotating shaft (15) is arranged on the device, the central shaft (21) has a through hole (20), the rotating shaft (15) is sleeved in the through hole (20), and the first clamping block (11) and the second clamping block (12) are respectively sleeved at both ends of the rotating shaft (15).

3. The bobbin holder of claim 2, wherein the clamping assembly (1) further comprises a sleeve ring (16), the outer end of the rotating shaft (15) has external threads, the sleeve ring (16) has internal threads, the sleeve ring (16) is threadedly connected with the rotating shaft (15), and the sleeve ring (16) is used for abutting against the first clamping block (11).

4. The bobbin holder of claim 1, wherein the telescopic pieces (22) are respectively provided with a first inclined surface (25) and a second inclined surface (26) at both ends, the first inclined surface (25) is overlapped on the first taper surface (13), and the second inclined surface (26) is overlapped on the second taper surface (14).

5. The bobbin holder of claim 1, wherein the central shaft (21) further has a plurality of first limiting rings (27) and a plurality of second limiting rings (28), and the first limiting rings (27) and the second limiting rings (28) are respectively located at both ends of the central shaft (21).

6. The bobbin holder of claim 5, wherein a first limiting groove (270) is formed between two adjacent first limiting rings (27), and the first limiting groove (270) is communicated with the clamping groove (24).

7. The bobbin holder of claim 6, wherein a second limiting groove (280) is formed between two adjacent second limiting rings (28), the second limiting groove (280) is communicated with the clamping groove (24), and the first limiting groove (270) is located in the extension direction of the second limiting groove (280).

8. The bobbin holder of claim 7, wherein the telescopic pieces (22) extend into the first limiting groove (270) and the second limiting groove (280).

Images