CN210765849U - Eccentric driving mechanism applied to thread feeding device of embroidery machine - Google Patents

Abstract

The utility model discloses a be applied to embroidery machine and send eccentric actuating mechanism on line device, use the rocking arm pivot as center pivoted rocking arm actuating mechanism including the lockwire rocking arm, be used for supporting lockwire rocking arm pivoted rocking arm pivot, drive lockwire rocking arm, the lockwire rocking arm is Y-shaped structure, the branching end of lockwire rocking arm is articulated with two thread clamping heads respectively, the lockwire rocking arm closes the branching end and is connected with rocking arm actuating mechanism, the both ends of rocking arm pivot are connected with the power unit who drives the eccentric mechanism that the rocking arm pivot removed and drive the motion of eccentric mechanism. When the rocker rotating shaft is located in the middle position, the whole thread locking mechanism is in a normal working state, when the upper thread locking mechanism and the lower thread locking mechanism are required to be opened simultaneously for threading, the rocker rotating shaft moves forwards to drive the forked end of the thread locking rocker to open the upper clamping head and the lower clamping head simultaneously, and when the upper thread locking mechanism and the lower thread locking mechanism are required to be closed simultaneously, the rocker rotating shaft moves forwards and backwards to drive the forked end of the thread locking rocker to close the upper clamping head and the lower clamping head simultaneously.

Description

Eccentric driving mechanism applied to thread feeding device of embroidery machine

Technical Field

The utility model relates to a computerized embroidery machine structure, concretely relates to be applied to eccentric actuating mechanism on embroidery machine thread feeding device.

Background

The thread feeding device of the embroidery machine is taken as an important component in the computer embroidery machine and mainly completes the automatic thread feeding function in the working process of the embroidery machine, for the computer embroidery machine, the thread feeding amount control of the thread feeding device is always a technical problem, the thread feeding amount precision control directly influences the quality of embroidery products and the manufacturing cost of the embroidery products, the thread feeding amount control of the existing thread feeding device of the embroidery machine is generally carried out by adopting a computer to control the thread feeding amount, thread feeding is carried out by controlling the rotation of a coil, the circular arrangement of embroidery threads in the coil has various differences, uniform arrangement and winding cannot be carried out, the rotating thread feeding amount precision of the embroidery threads is insufficient, accurate thread feeding amount control is difficult, and the internal structure of the thread feeding device needs to be correspondingly improved.

Therefore, the invention provides a thread feeding device of a computerized embroidery machine, which comprises a thread locking mechanism, a thread locking rocker, a cam mechanism and an ejection mechanism, wherein the thread locking mechanism is used for matching to form thread clamping and locking actions, the thread locking rocker is used for driving the thread locking mechanism to act, the cam mechanism is used for driving the thread locking rocker to act, the ejection mechanism is used for controlling the thread feeding amount, the thread locking mechanism is hinged with one end of the thread locking rocker, the outer contour of the cam mechanism is contacted with the other end of the thread locking rocker, the ejection mechanism is arranged on one side of a thread locking machine, one end of the ejection mechanism can rotatably penetrate through the other side of the thread locking mechanism, a return spring used for keeping the thread locking rocker in contact with the outer contour of the cam mechanism is arranged in the thread locking mechanism, the cam mechanism rotates to drive the thread locking rocker to rotate around a middle rotating shaft, and the thread locking. The device realizes the thread feeding amount control of the embroidery threads through the clamping and releasing actions of the thread clamping heads on the embroidery threads in each area, so that the thread feeding amount precision of the device is higher, and the control stability is also improved. When the device is stopped or is assembled, the upper wire locking mechanism and the lower wire locking mechanism need to be opened or closed at the same time, so that a set of driving mechanism needs to be designed to meet the requirements.

SUMMERY OF THE UTILITY MODEL

The utility model provides a be applied to eccentric actuating mechanism on embroidery machine thread feeding device.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides an eccentric actuating mechanism for embroidery machine send on line device, includes the lockwire rocking arm that sets up in the embroidery machine aircraft nose, is used for supporting lockwire rocking arm pivoted rocking arm pivot, drive lockwire rocking arm and uses the rocking arm pivot as center pivoted rocking arm actuating mechanism, the lockwire rocking arm is Y-shaped structure, the branching end of lockwire rocking arm is articulated with two trapping mechanism heads respectively, the lockwire rocking arm closes the fork end and is connected with rocking arm actuating mechanism, the both ends of rocking arm pivot are connected with the eccentric mechanism that drives the rocking arm pivot and remove and drive the power unit of eccentric mechanism motion.

The utility model discloses in, the thread clamping head includes arm lock I and arm lock II, arm lock I and arm lock II set up respectively in the both sides of embroidery machine aircraft nose outer wall send the line board, the tip of arm lock I is equipped with and is used for carrying on the tight first I of clamp line locking action complex, send to be equipped with on the line board to be used for forming the tight head II of clamp line locking action with the cooperation of the tight head I of clamp, press from both sides tight head I and press from both sides the tight region of clamp that the deciliter action formed the embroidery line between tight head II.

The utility model discloses in, the moving direction of rocking arm pivot is the horizontal direction.

The utility model discloses in, the rocking arm pivot passes a plurality of embroidery machine aircraft noses and concatenates the multiunit locking wire rocking arm simultaneously, and eccentric mechanism and power unit are located the tip of rocking arm pivot.

The utility model discloses beneficial effect: when the rocker arm rotating shaft is located at the middle position, the whole wire locking mechanism is in a normal working state, when the upper wire locking mechanism and the lower wire locking mechanism are required to be opened simultaneously for threading, the power mechanism and the eccentric mechanism drive the rocker arm rotating shaft to move forwards from the original position, the rocker arm rotating shaft moves forwards to drive the forked end of the wire locking rocker arm to open the upper clamping head and the lower clamping head simultaneously, when the upper wire locking mechanism and the lower wire locking mechanism are required to be closed simultaneously, the power mechanism and the eccentric mechanism drive the rocker arm rotating shaft to move backwards from the original position, and the rocker arm rotating shaft moves forwards and backwards to drive the forked end of the wire locking rocker arm to close the upper clamping head and. The utility model discloses compact structure is reasonable, only needs to adopt one set of action, can control the book sewing machine of all aircraft noses constructs.

Drawings

The invention will be further explained with reference to the drawings and the embodiments below:

FIG. 1 is a schematic structural view of a thread feeding apparatus of an embroidering machine;

FIG. 2 is a schematic view of transmission mechanisms of a thread feeding apparatus of an embroidery machine;

FIG. 3 is a schematic structural view of a single-handpiece thread feeding device;

FIG. 4 is an enlarged view of portion A of FIG. 3;

FIG. 5 is a schematic view of the connection of the latch rocker and rocker shaft to the eccentric mechanism.

Detailed Description

Referring to fig. 1 to 5, the utility model discloses a be applied to eccentric actuating mechanism on embroidery machine thread feeding device, including setting up at embroidery machine aircraft nose 1 locking thread rocking arm 2, be used for supporting locking thread rocking arm 2 pivoted rocking arm pivot 21, drive locking thread rocking arm 2 and use rocking arm pivot 21 as center pivoted rocking arm actuating mechanism 3, locking thread rocking arm 2 is fork structure, the branching end of locking thread rocking arm 2 is articulated with two thread clamping heads 12 respectively, is equipped with the ejection mechanism that can pick up a transversal line between two thread clamping heads 12, locking thread rocking arm 2 closes the branching end and is connected with rocking arm actuating mechanism 3, rocking arm actuating mechanism 3 is a cam mechanism, be equipped with reset spring on locking thread rocking arm 2 and make the tip of locking thread rocking arm 2 push up the lateral wall at cam mechanism all the time. All include N aircraft noses on the current embroidery machine, for convenient control, rocking arm pivot 21 passes a plurality of embroidery machine aircraft noses 1 and concatenates multiunit lockwire rocking arm 2 simultaneously, and eccentric mechanism 4 and power unit are located the tip of rocking arm pivot 21, eccentric mechanism 4 is the cam structure, also can be other drive mechanism such as push rod mechanism, as long as can realize rocking arm pivot 21 back-and-forth movement can. The power mechanism is a motor, and can be a cylinder, an electromagnet and the like which can drive the eccentric mechanism 4.

In a preferred embodiment, the moving direction of the swing arm rotating shaft 21 is a horizontal direction so that the moving distances of the upper and lower thread clamping heads 12 in a single head are the same. In this embodiment, the thread clamping head 12 includes a clamping arm i 121 and a clamping arm ii 122, the clamping arm i 121 and the clamping arm ii 122 are respectively disposed on two sides of the thread feeding plate 11 on the outer wall of the embroidery machine head 1, the end portion of the clamping arm i 121 is provided with a clamping head i 123 for performing thread clamping locking action, the thread feeding plate 11 is provided with a clamping head ii 124 for forming thread clamping locking action by cooperating with the clamping head i 123, and the clamping head i 123 and the clamping head ii 124 are separated and combined to form a clamping area of the embroidery thread.

The above is only the preferred embodiment of the present invention, as long as the technical solution of the purpose of the present invention is realized by the substantially same means, all belong to the protection scope of the present invention.

Claims (4)

1. The utility model provides an eccentric actuating mechanism for on embroidery machine thread feeding device which characterized in that: including setting up lockstitch rocking arm (2) in embroidery machine aircraft nose (1), be used for supporting lockstitch rocking arm (2) pivoted rocking arm pivot (21), drive lockstitch rocking arm (2) and use rocking arm pivot (21) as center pivoted rocking arm actuating mechanism (3), lockstitch rocking arm (2) are Y-shaped structure, the branching end of lockstitch rocking arm (2) is articulated with two double-layered line heads (12) respectively, lockstitch rocking arm (2) close the fork end and are connected with rocking arm actuating mechanism (3), the both ends of rocking arm pivot (21) are connected with eccentric mechanism (4) that drive rocking arm pivot (21) removal and drive the power unit of eccentric mechanism (4) motion.

2. The eccentric driving mechanism applied to the thread feeding apparatus of the embroidery machine according to claim 1, wherein: the thread clamping head (12) comprises a clamping arm I (121) and a clamping arm II (122), the clamping arm I (121) and the clamping arm II (122) are respectively arranged on two sides of a thread feeding plate (11) on the outer wall of an embroidery machine head (1), the end part of the clamping arm I (121) is provided with a clamping head I (123) used for performing thread clamping locking action matching, the thread feeding plate (11) is provided with a clamping head II (124) used for forming thread clamping locking action by matching with the clamping head I (123), and the clamping head I (123) and the clamping head II (124) are separated and combined to form a clamping area of the embroidery thread.

3. The eccentric driving mechanism applied to the thread feeding apparatus of the embroidery machine according to claim 2, wherein: the moving direction of the rocker arm rotating shaft (21) is the horizontal direction.

4. The eccentric driving mechanism applied to the thread feeding apparatus of the embroidery machine according to claim 1 or 2, wherein: the swing arm rotating shaft (21) penetrates through a plurality of embroidery machine heads (1) and is simultaneously connected with a plurality of groups of locking line swing arms (2) in series, and the eccentric mechanism (4) and the power mechanism are positioned at the end part of the swing arm rotating shaft (21).

Images