Spindle for knitting machine

Abstract

The utility model relates to a spindle for a knitting machine in the field of knitting machine spindles. The connecting base and the frame body are connected through a supporting rotating body, a cylinder is arranged on the surface of the fixing base in a sleeved mode, the cylinder rotates along the surface of the fixing base, a bottom support used for supporting a yarn drum is arranged in the cylinder, the bottom support rotates in the cylinder, a torsional spring is arranged on the surface of the bottom support, and the two ends of the torsional spring penetrate through the fixing base and the cylinder respectively. According to the spindle for the knitting machine, the supporting rotating body is arranged, so that a universal wheel structure is formed at the upper end of the spindle, a follow-up function is achieved, a wire rod always points to the circle center when moving at the upper end of the spindle, the phenomenon of wire stacking is avoided, and it is guaranteed that a knitted braided wire is smoother and more attractive in appearance. The spindle is provided with the fixed seat, the cylinder, the bottom support and the torsional spring, so that the spindle has a fine adjustment function, obtains accurate pay-off precision, improves tension precision, also improves braking force, and not only is firm in braking, but also achieves the effects of accurate braking and precise braking.

Description

Technical Field

[0001] The utility model relates to the field of spindles for braiding machines, in particular to a spindle for braiding machines. Background Art

[0002] During weaving operations, the performance of the spindle inside the weaving machine will have a direct impact on the weaving efficiency and quality, and this performance is related to the tension and braking accuracy of the spindle.

[0003] However, the existing spindles still have the following problems when weaving: during the braiding process, the spindle needs sufficient tension to straighten the braided wire, and the traditional spindle is generally braked by a ratchet structure, which has large braking fluctuations, low braking accuracy, small braking force and tension, which affects the efficiency of straightening the braided wire. Moreover, when the spindle is braided around the machine, the strands on the spindle are prone to twisting left and right, that is, the "wire overlap" phenomenon occurs, which affects the braiding quality. Utility Model Content

[0004] The purpose of the utility model is to solve the above defects and provide a spindle for a knitting machine.

[0005] The purpose of the utility model is achieved in the following way: a spindle for a weaving machine, comprising a frame body, a fixed seat, a ratchet and a connecting seat, the fixed seat is fixed to the frame body, the ratchet is arranged on the connecting seat, the ratchet and the connecting seat are connected by a rotating connecting piece, the connecting seat is arranged on the frame body, the connecting seat and the frame body are connected by a supporting rotating body, a cylinder is mounted on the surface of the fixed seat, the cylinder rotates along the surface of the fixed seat, a bottom support for supporting the yarn tube is arranged in the cylinder, the bottom support rotates in the cylinder, a torsion spring is arranged on the surface of the bottom support, and the two ends of the torsion spring pass through the fixed seat and the cylinder respectively.

[0006] In the above description, as a further solution, the supporting rotating body is composed of a bearing.

[0007] In the above description, as a further solution, the rotating connecting member is composed of a connecting shaft, the connecting seat and the ratchet are connected through a connecting plate, the connecting shaft is arranged on the connecting plate, and the ratchet is arranged on the connecting shaft.

[0008] In the above description, as a further solution, the connecting shaft includes an axle body, a first connecting member and a second connecting member, one end of the axle body passes through the connecting plate, and the first connecting member is arranged at the end of the axle body passing through the connecting plate, the middle part of the axle body is stuck in the side of the connecting plate, the second connecting member is arranged at the other end of the axle body, and the ratchet is arranged on the second connecting member.

[0009] In the above description, as a further solution, the connecting seat and the connecting plate are fixedly connected by fasteners.

[0010] In the above description, as a further solution, an auxiliary rod is provided on the connecting plate, and the auxiliary rod is fixedly connected to the connecting plate.

[0011] In the above description, as a further solution, the connecting seat is provided with an opening, the supporting rotating body is arranged in the opening, and the connecting seat is provided with a slot for placing a buckle.

[0012] In the above description, as a further solution, both ends of the fixing seat are provided with positioning holes for fixing to the frame body, and the middle of the fixing seat is provided with a first opening for inserting the torsion spring. There are several first openings, and the several first openings are circumferentially distributed in the middle of the fixing seat.

[0013] In the above description, as a further solution, the cylinder is provided with a second opening for inserting the torsion spring, and there are a plurality of second openings, which are circumferentially distributed on the cylinder.

[0014] The beneficial effects of the utility model are as follows: the spindle for a braiding machine is provided with a supporting rotating body so that the upper end of the spindle forms a universal wheel structure with a follow-up function, so that the wire always points to the center of the circle when the upper end of the spindle moves, avoiding the occurrence of "wire overlap", ensuring that the braided wire is smoother and more beautiful in appearance. The spindle is provided with a fixed seat, a cylinder, a bottom support and a torsion spring, and has a fine-tuning function to obtain precise wire release accuracy, improve tension accuracy, and also improve braking force, so that it can not only brake, but also achieve accurate and precise braking effects. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of a spindle for a knitting machine according to the utility model;

[0016] Figure 2 It is a three-dimensional structural schematic diagram of a universal wheel structure in a spindle for a braiding machine according to the utility model;

[0017] Figure 3 for Figure 2 Exploded view in ;

[0018] Figure 4 It is a cross-sectional view of the installation of a torsion spring in a spindle for a braiding machine according to the utility model;

[0019] Figure 5 It is an exploded view of the installation of a torsion spring in a spindle for a braiding machine according to the utility model;

[0020] In the figure: 1-ratchet, 2-connecting seat, 3-support rotating body, 4-axis body, 5-first connecting member, 6-connecting plate, 7-fastener, 8-auxiliary rod, 9-opening, 10-slot, 11-second connecting member, 12-frame, 13-fixed seat, 14-torsion spring, 15-cylinder, 16-first opening, 17-second opening, 18-bottom support, 19-positioning hole. DETAILED DESCRIPTION

[0021] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0022] The embodiments described with reference to the accompanying drawings are exemplary and are intended to be used to explain the present application, and cannot be understood as limiting the present application. In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present application, the meanings of "several" and "multiple" are two or more, unless otherwise clearly and specifically defined. In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a communication between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances. In this application, unless otherwise clearly specified and limited, the first feature "above" or "below" the second feature can include the first and second features being in direct contact, or it can include the first and second features not being in direct contact but being in contact through another feature between them. Moreover, the first feature "above", "above" and "above" the second feature include the first feature being directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. The first feature "below", "below" and "below" the second feature include the first feature being directly above and obliquely above the second feature, or simply means that the first feature is lower in level than the second feature.

[0023] See also Figure 1-5 The spindle for a knitting machine is specifically implemented, and includes a frame body 12, a fixing seat 13, a ratchet 1 and a connecting seat 3.

[0024] The fixing seat 13 is fixed on the frame body 12, the ratchet 1 is arranged on the connecting seat 2, and the ratchet 1 and the connecting seat 2 are connected by a rotating connecting member. The connecting seat 2 is arranged on the frame body 12. The connecting seat 2 and the frame body 12 are connected by a supporting rotating body 3.

[0025] The centripetal working process of the embodiment of the utility model is as follows: when the turntable pulls the wire on the spindle, the connecting seat 2 performs a centripetal rotational motion around the supporting rotating body 3, and the connecting seat 2 performs a centripetal motion together with the wire.

[0026] The surface of the fixed seat 13 is provided with a cylinder 15, which rotates along the surface of the fixed seat 13. A base 18 for holding the yarn tube is provided inside the cylinder 15. The base 18 rotates inside the cylinder. A torsion spring 14 is provided on the surface of the base 18, and both ends of the torsion spring 14 pass through the fixed seat 13 and the cylinder 15 respectively.

[0027] The working process of holding the base bracket 18 in the embodiment of the utility model is as follows: the frame body and the fixed seat 13 are relatively still, the frame body and the cylinder 15 can move relative to each other, the fixed seat 13 fixes one end of the torsion spring 14, the cylinder 15 fixes the other end of the torsion spring 14, and the cylinder 15 is rotated, and the cylinder 15 drives the torsion spring 14 to twist, so that the torsion spring 14 holds the base bracket 18, so that the base bracket 18 and the frame body are relatively still.

[0028] When fine-tuning is required, the twisting degree of the torsion spring 14 is adjusted, the precise line-release accuracy is calibrated, the tension accuracy is improved, and the braking force is also improved, so that the vehicle can brake steadily, accurately, and precisely.

[0029] Specifically, the supporting rotating body 3 is composed of bearings, which reduce the friction coefficient of the connecting seat 2 during movement and ensure the rotation accuracy of the connecting seat 2.

[0030] In this embodiment, the rotating connecting member is composed of a connecting shaft, and the connecting seat 2 and the ratchet 1 are connected by a connecting plate 6. The connecting shaft is arranged on the connecting plate 6, and the ratchet 1 is arranged on the connecting shaft. The ratchet 1 rotates on the connecting shaft, and the wire is wound around the ratchet 1. When the wire moves, pulling the ratchet 1 can not only guide the wire to move in the direction of the turntable, but also reduce the friction on the wire, thereby ensuring the service life of the wire.

[0031] The working process of the embodiment of the utility model is as follows: when the turntable pulls the wire on the spindle, the wire pulls the ratchet 1, and the connecting seat 2 is subjected to the pulling force of the wire and rotates toward the center of the turntable through the supporting rotating body 3 to ensure that the wire is in a centripetal state.

[0032] Specifically, the connecting shaft includes an axle body 4, a first connecting member 5 and a second connecting member. One end of the axle body 4 passes through the connecting plate 6, and the first connecting member 5 is arranged at the end of the axle body 4 passing through the connecting plate 6. The middle part of the axle body 4 is stuck in the side of the connecting plate 6. The second connecting member is arranged at the other end of the axle body 4. The ratchet 1 is arranged on the second connecting member, and the ratchet 1 rotates freely on the second connecting member.

[0033] Specifically, the connection seat 2 and the connection plate 6 are fixedly connected by a fastener 7 , and the fastener 7 may be a screw or other parts with a fastening function.

[0034] Specifically, an auxiliary rod 8 is provided on the connecting plate 6 , and the auxiliary rod 8 is used to guide the wire, share the force of the ratchet 1 , reduce wear and tear, and increase the service life of the ratchet 1 . The auxiliary rod 8 is fixedly connected to the connecting plate 6 .

[0035] In this embodiment, the connection seat 2 is provided with an opening 9, the supporting rotating body 3 is arranged in the opening 9, and the connection seat 2 is provided with a slot 10 for placing a buckle ring, and the buckle ring is used to prevent the supporting rotating body 3 from axial movement.

[0036] In this embodiment, positioning holes 19 for fixing to the frame body 12 are provided at both ends of the fixing seat 13, and a first opening 16 for inserting the torsion spring 14 is provided in the middle of the fixing seat 13. There are several first openings 16, and the several first openings 16 are distributed circumferentially in the middle of the fixing seat 13.

[0037] In this embodiment, a second opening 17 for inserting the torsion spring 14 is provided on the cylinder 15 , and a plurality of second openings 17 are provided, and the plurality of second openings 17 are distributed circumferentially on the cylinder 15 .

[0038] The above contents are further detailed descriptions of the present invention in combination with specific further embodiments, and the specific implementation of the present invention cannot be considered to be limited to these descriptions. For ordinary technicians in the technical field to which the present invention belongs, several simple deductions or substitutions can be made without departing from the concept of the present invention, which should be regarded as the protection scope of the present invention.

Claims

1. A spindle for a braiding machine, comprising a frame, a fixing seat, a ratchet and a connecting seat, wherein the fixing seat is fixed to the frame, the ratchet is arranged on the connecting seat, the ratchet and the connecting seat are connected by a rotating connecting piece, and the connecting seat is arranged on the frame, characterized in that: The connecting seat is connected to the frame body through a supporting rotating body. A cylinder is mounted on the surface of the fixed seat. The cylinder rotates along the surface of the fixed seat. A base for holding the yarn tube is arranged inside the cylinder. The base rotates inside the cylinder. A torsion spring is arranged on the surface of the base. Both ends of the torsion spring pass through the fixed seat and the cylinder respectively.

2. A spindle for a braiding machine according to claim 1, characterized in that: The supporting rotating body is composed of a bearing.

3. A spindle for a braiding machine according to claim 1 or 2, characterized in that: The rotary connecting member is composed of a connecting shaft, the connecting seat and the ratchet are connected via a connecting plate, the connecting shaft is arranged on the connecting plate, and the ratchet is arranged on the connecting shaft.

4. A spindle for a braiding machine according to claim 3, characterized in that: The connecting shaft includes an axle body, a first connecting member and a second connecting member. One end of the axle body passes through a connecting plate, and the first connecting member is arranged at the end of the axle body passing through the connecting plate. The middle part of the axle body is clamped on the side of the connecting plate. The second connecting member is arranged at the other end of the axle body, and the ratchet is arranged on the second connecting member.

5. A spindle for a braiding machine according to claim 3, characterized in that: The connecting seat and the connecting plate are fixedly connected via fasteners.

6. A spindle for a braiding machine according to claim 3, characterized in that: The connecting plate is provided with an auxiliary rod, and the auxiliary rod is fixedly connected to the connecting plate.

7. A spindle for a braiding machine according to claim 1 or 2, characterized in that: The connecting seat is provided with an opening, the supporting rotating body is arranged in the opening, and the connecting seat is provided with a slot for placing a buckle ring.

8. A spindle for a braiding machine according to claim 1 or 2, characterized in that: The two ends of the fixing seat are provided with positioning holes for fixing with the frame body, and the middle part of the fixing seat is provided with a first opening for inserting the torsion spring. There are a plurality of first openings, and the plurality of first openings are circumferentially distributed in the middle part of the fixing seat.

9. A spindle for a braiding machine according to claim 1 or 2, characterized in that: The cylinder is provided with a second opening for inserting the torsion spring, and a plurality of second openings are provided, and the plurality of second openings are circumferentially distributed on the cylinder.

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