CN211339946U - Direct-drive wire assembly - Google Patents

Abstract

The utility model relates to a wire device field especially relates to a directly drive wire assembly. It includes: the driving component drives the driven component to move; the driving component comprises a main shaft and a driving wheel which is arranged on the main shaft and rotates synchronously with the main shaft; the passive assembly comprises a guide pillar, the guide pillar is provided with a pin hole, and a winding shaft pin penetrates through the pin hole; one end of the winding shaft pin penetrates through the pin hole and is fixedly connected with a driven wheel, and the driven wheel is contacted with the driving wheel; the other end of the winding pin shaft penetrates through the pin hole to form a fixed end, and a pressure wrench is arranged at the fixed end in a matched mode. The utility model realizes the work of direct drive wires, is more silent and stable and saves energy; the controllability of the work of the direct-drive lead is improved through the pressure wrench, and the number of turns of the lead can be conveniently controlled; can be applied to most of the existing thread guides and sewing machines.

Description

Direct-drive wire assembly

Technical Field

The utility model relates to a wire device field especially relates to a directly drive wire assembly.

Background

The wire assembly is the key subassembly of the equipment that needs to carry out the wire operation such as wire guide and sewing machine, and it needs to satisfy the condition such as the wire is steady, quick usually, but current wire assembly is connected with motor or hand ware through transmission parts such as drive belt usually, carries out transmission wire work. The first operation of the transmission wire is limited by the motor and the hand crank, the motor and the hand crank usually work in a stable state, but the transmission components such as the transmission belt and the like do not work.

Because the thread guide and the sewing machine belong to light industrial equipment, the quality of a transmission belt is relatively common, and the problems of looseness, aging hardening and the like are easily generated in the long-term use process, so that the working stability of the thread guide is poor, and noise is easily generated. In addition, useless energy loss is easily generated in the transmission process of the transmission belt, and the energy utilization rate is reduced.

In view of the above problems, those skilled in the art have endeavored to develop a wire assembly that can reduce power consumption, reduce noise, and operate more smoothly. The utility model discloses a practical novel patent of a direct-drive type linking machine as the Chinese patent office is published in 2017, 10 and 31, and the publication number of the authorization is CN206599654U, which comprises a linking machine main body, a driving device which is arranged at the side of the linking machine main body and is used for driving a rotating shaft in the linking machine main body to work, an electric cabinet and a pedal device which are arranged at the side of the linking machine main body and are electrically connected with the driving device, wherein the driving device is a direct-drive servo motor which is assembled with a main transmission shaft of the linking machine main body, and the main transmission shaft is used as the rotating shaft of the servo motor; the pedal device comprises a pedal device and a pedal plate which is hinged to the front end of the pedal device and used for triggering a triggering piece arranged on the pedal device, and the pedal device can automatically reset, and the pedal device is electrically connected with the electric cabinet through a cable, so that the pedal device can be arranged at any position below the sewing machine main body. The sewing machine realizes direct-drive work, but the direct-drive work part of the sewing machine has smaller applicability, is only suitable for the whole technical scheme, is difficult to adopt in the existing sewing machine, has limited applicability, and has limited controllability of direct-drive wires.

Disclosure of Invention

For solving current wire assembly be difficult to realize directly driving the wire, have poor stability, the noise is big, the big scheduling problem of energy consumption, and directly drive the relatively poor, only be applicable to a plurality of kinds or a certain wire guide or sewing machine's problem alone of wire assembly suitability, the utility model provides a directly drive wire assembly. The purpose is as follows: the direct-drive work of the lead assembly is realized, so that the lead assembly works more stably and quietly, and the energy consumption can be effectively reduced; secondly, the controllability of the work of the direct-drive lead is improved; and thirdly, the applicability of the direct-drive thread guiding assembly is improved, so that the direct-drive thread guiding assembly can be suitable for the existing sewing machine, thread guiding device and other equipment.

In order to achieve the above purpose, the utility model adopts the following technical scheme.

A direct drive wire assembly comprising:

the driving component drives the driven component to move;

the driving component comprises a main shaft and a driving wheel which is arranged on the main shaft and rotates synchronously with the main shaft;

the passive assembly comprises a guide pillar, the guide pillar is provided with a pin hole, and a winding shaft pin penetrates through the pin hole;

one end of the winding shaft pin penetrates through the pin hole and is fixedly connected with a driven wheel, and the driven wheel is contacted with the driving wheel;

the other end of the winding pin shaft penetrates through the pin hole to form a fixed end, and a pressure wrench is arranged at the fixed end in a matched mode.

As a preference, the first and second liquid crystal compositions are,

the driving wheel is fixedly arranged at the end part of the main shaft or fixedly sleeved outside the main shaft.

As a preference, the first and second liquid crystal compositions are,

the driving wheel is a cylindrical wheel, and a circular surface of the driving wheel, which is in contact with the driven wheel, is a tooth surface.

As a preference, the first and second liquid crystal compositions are,

the tooth surface is provided with radial bulges or radial sunken grooves around the center of the tooth surface.

As a preference, the first and second liquid crystal compositions are,

and a rubber pad is arranged on one surface of the pressure wrench, which faces to the fixed end of the winding shaft pin.

As a preference, the first and second liquid crystal compositions are,

the axial direction of the guide support is vertical to the axial direction of the main shaft.

As a preference, the first and second liquid crystal compositions are,

the pin hole axis coincides with the guide pillar axis.

The utility model has the advantages that:

1) the work of direct-drive wires is realized, and the direct-drive wires are more silent and stable and save energy;

2) the controllability of the work of the direct-drive lead is improved through the pressure wrench, and the number of turns of the lead can be conveniently controlled;

3) can be applied to most of the existing thread guides and sewing machines.

Drawings

FIG. 1 is a schematic view of a direct drive thread guide assembly of the present invention disposed in a sewing machine;

FIG. 2 is a schematic top view of the direct drive thread guide assembly of the present invention disposed in a sewing machine;

FIG. 3 is an enlarged view of portion A of FIG. 1;

in the figure: the sewing machine comprises a main shaft 1, a driving wheel 2, a tooth surface 21, a guide support 3, a winding shaft pin 4, a driven wheel 5, a pressure wrench 6, a rubber pad 61, a sewing machine 7, a rack 71 and a cover plate 72.

Detailed Description

The invention is described in further detail below with reference to specific embodiments and drawings. Those of ordinary skill in the art will be able to implement the invention based on these descriptions. Moreover, references to embodiments of the invention in the following description are generally only to be considered as examples of the invention, and not as all embodiments. Therefore, all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention shall fall within the protection scope of the present invention.

Examples

A direct drive wire assembly as illustrated in fig. 1 to 3, which is used in a wire guide or a sewing machine 7, and can realize direct drive of a wire by matching with a conventional motor through the structure, the direct drive wire has the advantages of energy saving, stability, silence, powerful power and the like compared with a conventional transmission wire (a transmission belt and other components are used for driving the wire assembly to work), and the direct drive wire assembly comprises:

the driving assembly is connected with the driven assembly during working, and the driving assembly rotates to work and directly drives the driven assembly to realize winding;

the driving component comprises a main shaft 1 connected with power sources such as a motor or a hand crank, a driving wheel 2 is arranged on the main shaft 1, and the driving wheel 2 is directly connected with the driven component during working;

the driving wheel 2 is fixedly arranged at the end part of the main shaft 1 or fixedly sleeved outside the main shaft 1, and the main shaft 1 drives the driving wheel 2 to rotate at an equal angular speed when rotating under the action of the motor, so that the synchronous rotation of the driving wheel and the driving wheel is realized;

the passive component comprises a guide pillar 3, the axial direction of the guide pillar 3 is vertical to the axial direction of the main shaft 1, the guide pillar 3 is fixedly arranged in the wire guiding machine, a through hole type pin hole is arranged on the guide pillar 3, and the axial lead of the pin hole is superposed with the axial lead of the guide pillar 3;

a winding shaft pin 4 penetrates through the pin hole, the winding shaft pin 4 is supported and kept stable by the pin hole, and the winding shaft pin 4 can rotate in the pin hole;

one end of the winding shaft pin 4 penetrates through a pin hole of the guide pillar 3 and is fixedly connected with a driven wheel 5, the driven wheel 5 is a rubber wheel, the driven wheel 5 is directly contacted with the driving wheel 2 during winding, and when the driving wheel 2 rotates, the driven wheel 5 is driven to rotate through friction, so that the winding shaft pin 4 is driven to rotate;

the other end of the winding shaft pin 4 penetrates out of the other end of the pin hole to form a fixed end, the fixed end is used for placing a bobbin, a blind hole is usually formed in the bottom of the bobbin, the fixed end of the winding shaft pin 4 penetrates out of the pin hole and then is inserted into the blind hole in the bottom of the bobbin, the bobbin can be driven to rotate together when the winding shaft pin 4 rotates, therefore, the main shaft 1 rotates to drive the driving wheel 2 to rotate, and when the driving wheel 2 drives the driven wheel 5 and the winding shaft pin 4 to rotate through friction, the bobbin can be further driven to rotate, so that the bobbin can be wound off, and;

the fixed end of the winding shaft pin 4 is also provided with a winding table fixed with the winding shaft pin 4, the outer edge of the winding table is also provided with an arc-shaped wire guide plate fixed with a wire guide or a sewing machine 7, the bobbin is sleeved on the winding shaft pin 4, and the bottom of the bobbin is directly contacted with the winding table, so that the stability of the rotation of the bobbin and the synchronism of the rotation of the bobbin and the rotation of the winding shaft pin 4 can be improved, the wire guide efficiency is improved, in addition, the wire guide plate can guide a wire body led out from the bobbin, and the problems of winding the wire body and the like;

the fixed end of the winding shaft pin 4 is also provided with a pressure wrench 6 in a matching way, the pressure wrench 6 is rotatably arranged on a thread guide or a sewing machine 7, one surface of the pressure wrench 6 facing the fixed end of the winding shaft pin 4 is provided with a rubber pad 61, after the bobbin is arranged on the fixed end of the winding shaft pin 4, the pressure wrench 6 is pressed to the bobbin, when the bobbin rotates, the rubber pad 61 generates a certain friction force on the pressure wrench 6, so that the rubber pad 61 generates a certain deformation, the resistance generated by the rubber pad 61 to the bobbin along with the deformation is gradually increased, the rubber pad 61 cannot be deformed after being deformed to a certain degree, the resistance generated by the rubber pad 61 on the pressure wrench 6 to the surface of the bobbin reaches the maximum value, the bobbin is prevented from continuously rotating, the wire can be stopped, the more the pressure of the rubber pad 6 pressing to the bobbin, the faster the bobbin stops rotating, and the, controllable wire guiding can be realized by controlling the compression degree of the pressure wrench 6.

The driving wheel 2 is a cylindrical wheel, a circular surface of the driving wheel contacting with the driven wheel 5 is a tooth surface 21, and the tooth surface 21 is provided with radial bulges or radial sunken grooves around the center of the tooth surface.

When in use:

as shown in fig. 1 to 3, the present invention is arranged in a conventional electric sewing machine 7, wherein a driving component is arranged inside a frame 71 of the sewing machine 7, a driven component is arranged on a cover plate 72 of the frame 71 of the sewing machine 7, a guide pillar 3 is fixedly connected with the cover plate 72 of the frame 71, fig. 1 to 3 are schematic diagrams of the cover plate 72 being opened, when the cover plate 72 is closed, a driven wheel 5 contacts with a tooth surface 21 of a driving wheel 2, a bobbin is firstly placed at a fixed end of a bobbin 4, then a motor is opened, under the driving of the motor of the electric sewing machine 7, a main shaft 1 starts to rotate and drives the driving wheel 2 to rotate, the driving wheel 2 drives the driven wheel 5 to rotate through friction force, and further drives the bobbin 4 to rotate, and simultaneously a winding table on the bobbin 4 and on the outer end surface of the cover plate 72 rotates synchronously with the bobbin 4, the bobbin 4 and the winding table drive the bobbin, the direct drive of the lead is realized, and in the process, the number of the guidance coils, namely the number of the paying-off coils of the wire barrel, can be controlled by the pressure wrench 6, so that the direct drive of the lead is realized.

After long-term use, the rubber pad 61 on the surface of the pressure wrench 6 can be aged and hardened or abraded, so that the controllability of the number of turns of the wire is reduced, the replacement is convenient, and the practicability is high.

Claims (7)

1. A direct drive wire assembly, comprising:

the driving component drives the driven component to move;

the driving component comprises a main shaft and a driving wheel which is arranged on the main shaft and rotates synchronously with the main shaft;

the passive assembly comprises a guide pillar, the guide pillar is provided with a pin hole, and a winding shaft pin penetrates through the pin hole;

one end of the winding shaft pin penetrates through the pin hole and is fixedly connected with a driven wheel, and the driven wheel is contacted with the driving wheel;

the other end of the winding shaft pin penetrates through the pin hole to form a fixed end, and a pressure wrench is arranged at the fixed end in a matched mode.

2. A direct drive wire assembly as set forth in claim 1,

the driving wheel is fixedly arranged at the end part of the main shaft or fixedly sleeved outside the main shaft.

3. A direct drive wire assembly according to claim 1 or 2,

the driving wheel is a cylindrical wheel, and a circular surface of the driving wheel, which is in contact with the driven wheel, is a tooth surface.

4. A direct drive wire assembly according to claim 3,

the tooth surface is provided with radial bulges or radial sunken grooves around the center of the tooth surface.

5. A direct drive wire assembly as set forth in claim 1,

and a rubber pad is arranged on one surface of the pressure wrench, which faces to the fixed end of the winding shaft pin.

6. A direct drive wire assembly as set forth in claim 1,

the axial direction of the guide support is vertical to the axial direction of the main shaft.

7. A direct drive wire assembly as set forth in claim 1,

the pin hole axis coincides with the guide pillar axis.

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