CN214362158U

CN214362158U - Electromagnet driving mechanism of needle bar driving block and embroidery machine

Info

Publication number: CN214362158U
Application number: CN202023128758.3U
Authority: CN
Inventors: 王海江; 田桂郁
Original assignee: Zhejiang Xinsheng Technology Co Ltd
Current assignee: Zhejiang Xinsheng Technology Co Ltd
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-10-08
Anticipated expiration: 2030-12-23

Abstract

The utility model discloses an electromagnet drive mechanism and embroidery machine of needle bar drive block, include the electromagnet seat and install in the electro-magnet of electromagnet seat, still include guide axle sleeve, activity and pass guide axle sleeve's round pin axle, electromagnet drive the round pin axle slides along guide axle sleeve, the head end of round pin axle is equipped with the drive head that acts on with the needle bar drive block. The utility model discloses can avoid electromagnet housing to receive direct impact and the wearing and tearing too fast, it is further, through the selection to guide shaft sleeve and round pin axle material and hardness, make it more wear-resisting.

Description

Electromagnet driving mechanism of needle bar driving block and embroidery machine

Technical Field

The utility model relates to an embroidery machinery, concretely relates to embroidery machine.

Background

The embroidery machine on the market at present directly drives the needle rod driving block to realize closing and opening through the movement of the iron core of the electromagnet. When the head separation embroidery is carried out, the iron core of the electromagnet is always kept in an open state, and when the needle rod driving block reciprocates, the needle rod driving block continuously collides with the iron core, so that the iron core continuously rubs with the electromagnet shell. Because the hardness of the electromagnet shell is low, the electromagnet shell is easy to wear after being used for a long time.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that an electromagnet driving mechanism of a needle bar driving block is provided, and the rapid abrasion of an electromagnet shell is avoided.

In order to solve the technical problem, the utility model adopts the following technical scheme: the electromagnet driving mechanism of the needle rod driving block comprises an electromagnet seat, an electromagnet arranged on the electromagnet seat, a guide shaft sleeve and a pin shaft movably penetrating through the guide shaft sleeve, wherein the electromagnet drives the pin shaft to slide along the guide shaft sleeve, and the head end of the pin shaft is provided with a driving head acting on the needle rod driving block.

Preferably, the pin shaft is connected with a return spring.

Preferably, the tail end of the pin shaft is provided with a flange, the tail end of the return spring is abutted against the flange, and the head end of the return spring is abutted against the end face of the guide shaft sleeve.

Preferably, the driving head is a rolling bearing in rolling contact with the needle bar driving block.

Preferably, the electromagnet seat is equipped with the axle sleeve mounting hole, the direction axle sleeve is the stair structure, including path section and big footpath section, the path section inserts axle sleeve mounting hole and tip and stretches out and form the butt with reset spring's tail end from the axle sleeve mounting hole, the terminal surface of big footpath section and the drill way terminal surface butt of axle sleeve mounting hole.

Preferably, the guide shaft sleeve and the pin shaft are made of wear-resistant alloy.

Preferably, the electromagnet driving mechanism further comprises a swing rod hinged to the fulcrum, the telescopic direction of the telescopic head of the electromagnet is parallel to the sliding direction of the pin shaft, and the electromagnet drives the pin shaft to slide along the guide shaft sleeve by driving the swing rod to swing.

Preferably, left cavity and right cavity on the upper portion of electromagnetism iron seat are equipped with side by side about, the electro-magnet is installed in right cavity on, and the flexible head is flexible in last left cavity, the lower part of electromagnetism iron seat is equipped with the lower cavity with last left cavity intercommunication, the tail end of round pin axle is flexible in lower cavity.

Preferably, the middle part of the swing rod is hinged to the connecting part of the upper left cavity and the lower cavity, the upper part of the swing rod is provided with an upper inclined section which acts with the telescopic head of the electromagnet, the lower part of the swing rod is provided with a lower inclined section which acts with the tail end of the pin shaft, and the inclined directions of the upper inclined section and the lower inclined section are opposite.

The utility model also provides an embroidery machine, include the electro-magnet actuating mechanism of needle bar drive block.

The utility model discloses a technical scheme, adopt the slip of round pin axle along guide sleeve, make the drive head drive needle bar drive block of round pin axle head end, when separating the head embroidery, the needle bar drive block can not collide with the iron core, consequently can avoid electromagnet housing to receive direct impact and wear and tear too fast. And through the selection to guide shaft sleeve and round pin axle material and hardness, make it wear-resisting more to avoid the too fast wearing and tearing.

The utility model discloses a specific technical scheme and the beneficial effect that brings will give detailed disclosure in the following embodiment in combination with the accompanying drawings.

Drawings

The invention will be further described with reference to the accompanying drawings and specific embodiments:

fig. 1 is a schematic structural view of the electromagnet driving mechanism of the needle bar driving block of the present invention installed on the housing of the embroidery machine head;

FIG. 2 is a schematic structural view of the electromagnet driving mechanism of the needle bar driving block of the present invention in a state of driving the needle bar driving block;

FIG. 3 is a schematic structural view of the electromagnet driving mechanism of the needle bar driving block of the present invention in a reset state;

in the figure: 1-electromagnet driving mechanism, 11-electromagnet seat, 111-upper right cavity, 112-upper left cavity, 113-lower cavity, 12-electromagnet, 121-telescopic head, 13-pin shaft, 131-flange, 14-rolling bearing, 15-reset spring, 16-guide shaft sleeve, 17-oscillating bar, 171-upper inclined section, 172-lower inclined section, 2-machine head shell, 21-guide rod, 22-needle rod driving block and 23-driving block reset torsion spring.

Detailed Description

The technical solutions of the embodiments of the present invention are explained and explained below with reference to the drawings of the embodiments of the present invention, but the embodiments described below are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the embodiment, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

It will be appreciated by those skilled in the art that features from the examples and embodiments described below may be combined with each other without conflict.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Example one

Referring to fig. 1 to 3, the electromagnet driving mechanism 1 of the needle bar driving block for driving the needle bar driving block 22, the embroidery machine includes a head housing, a guide bar 21 vertically installed to the head housing, the needle bar driving block 23 rotatably connected to the guide bar 21, and the needle bar driving block 22 is reset by a driving block reset torsion spring 23. The electromagnet driving mechanism 1 comprises an electromagnet seat 11, an electromagnet 12 arranged on the electromagnet seat 11, a guide shaft sleeve 16 and a pin shaft 13 movably penetrating through the guide shaft sleeve 16. The electromagnet 12 drives the pin shaft 13 to slide along the guide shaft sleeve 16, and the head end of the pin shaft 13 is provided with a driving head which acts with the needle rod driving block 23. The telescopic head of the electromagnet 12 can be directly fixed to the tail end of the pin 13 to drive the pin 13 to axially slide. Or, the telescopic head 121 of the electromagnet 12 is movably abutted against the tail end of the pin shaft 13, the pin shaft 13 is connected with the return spring 15, when the needle bar driving block 22 is driven, the telescopic head 121 of the electromagnet 12 pushes the tail end of the pin shaft 13, the return spring 15 is compressed, and when the pin shaft 13 is reset, the pin shaft 13 is reset through the return spring 15, and the electromagnet 12 is not required to be driven. When the embroidery with separate heads is carried out, the needle rod driving block cannot collide with the iron core, so that the electromagnet shell can be prevented from being directly impacted and being worn too fast. And through the selection to guide shaft sleeve and round pin axle material and hardness, make it wear-resisting more to avoid the too fast wearing and tearing.

Specifically, the tail end of the pin 13 is provided with a flange 131, the tail end of the return spring 15 abuts against the flange 131, and the head end of the return spring abuts against the end face of the guide shaft sleeve 16.

In order to reduce friction and therefore wear, the drive head at the head end of the pin 13 is a rolling bearing 14 in rolling contact with the needle bar drive block 22.

For installation guide shaft sleeve 16, electromagnet seat 11 is equipped with the axle sleeve mounting hole, guide shaft sleeve 16 is the stair structure, including path section and big footpath section, path section inserts axle sleeve mounting hole and tip and stretches out and form the butt with reset spring 15's tail end from the axle sleeve mounting hole, one of them terminal surface of big footpath section and the drill way terminal surface butt of axle sleeve mounting hole. When the pin shaft 13 is reset by the reset spring 15, the rolling bearing 14 acts on the other end face of the large-diameter section of the guide shaft sleeve 16. And the guide shaft sleeve 16 and the pin shaft 13 are made of wear-resistant alloy. Therefore, the material and hardness of the guide shaft sleeve 16 and the pin shaft 13 are selected to be more wear-resistant, so that the rapid wear is avoided.

Example two

On the basis of the first embodiment, the electromagnet driving mechanism 1 further comprises a swing rod 17 hinged to the fulcrum, the telescopic direction of the telescopic head of the electromagnet 12 is parallel to the sliding direction of the pin shaft 13, and the electromagnet 12 drives the pin shaft 13 to slide along the guide shaft sleeve 16 by driving the swing rod 17 to swing.

As a variation of the above embodiment, two ends of the swing link 17 may be hinged to the tail end of the pin and the telescopic head of the electromagnet 12, respectively, and the swing link 17 is provided with a torsion spring at the pivot point, so that the pin does not need to be connected to the return spring 15.

In order to facilitate installation of the swing rod 17 and reduce the space occupation of the electromagnet driving mechanism 1, the telescopic direction of the telescopic head of the electromagnet 12 is parallel to the sliding direction of the pin shaft 13, an upper left cavity 112 and an upper right cavity 111 are arranged on the left and right sides of the upper portion of the electromagnet seat 11 side by side, the electromagnet 12 is installed in the upper right cavity 111, the telescopic head is telescopic in the upper left cavity 112, a lower cavity 113 is arranged on the lower portion of the electromagnet seat 11 and communicated with the upper left cavity 112 upwards, and the tail end of the pin shaft 13 is telescopic in the lower cavity 113. The middle part of the swing rod 17 is hinged to the connecting part of the upper left cavity and the lower cavity. The structure space is utilized compactly, especially, the space occupation of the whole electromagnet driving mechanism 1 in the left and right directions is reduced, and the installation in a narrow machine head shell is facilitated.

Further, an upper inclined section 171 acting with the electromagnetic telescopic head is arranged at the upper part of the swing rod 17, a lower inclined section 172 acting with the tail end of the pin shaft is arranged at the lower part of the swing rod 17, and the inclination directions of the upper inclined section 171 and the lower inclined section 172 are opposite.

EXAMPLE III

The embroidery machine comprises the electromagnet driving mechanism 1 of the needle bar driving block described in the first embodiment or the second embodiment.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and those skilled in the art should understand that the present invention includes but is not limited to the contents described in the drawings and the above specific embodiments. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.

Claims

1. The electromagnet driving mechanism of the needle rod driving block comprises an electromagnet seat and an electromagnet arranged on the electromagnet seat, and is characterized in that: the needle bar driving device is characterized by further comprising a guide shaft sleeve and a pin shaft movably penetrating through the guide shaft sleeve, the pin shaft is driven by the electromagnet to slide along the guide shaft sleeve, and a driving head acting with the needle bar driving block is arranged at the head end of the pin shaft.

2. The electromagnet drive mechanism of the needle bar drive block according to claim 1, characterized in that: the pin shaft is connected with a return spring.

3. The electromagnet drive mechanism of the needle bar drive block according to claim 2, characterized in that: the tail end of the pin shaft is provided with a flange, the tail end of the reset spring is abutted against the flange, and the head end of the reset spring is abutted against the end face of the guide shaft sleeve.

4. The electromagnet drive mechanism of the needle bar drive block according to claim 3, characterized in that: the driving head is a rolling bearing in rolling contact with the needle rod driving block.

5. The electromagnet drive mechanism of the needle bar drive block according to claim 4, characterized in that: the electromagnetism iron stand is equipped with the axle sleeve mounting hole, the direction axle sleeve is the stair structure, including path section and big footpath section, the path section inserts axle sleeve mounting hole and tip and stretches out and form the butt with reset spring's tail end from the axle sleeve mounting hole, the terminal surface of big footpath section and the drill way terminal surface butt of axle sleeve mounting hole.

6. The electromagnet drive mechanism of the needle bar drive block according to claim 5, characterized in that: the guide shaft sleeve and the pin shaft are made of wear-resistant alloy.

7. The electromagnet drive mechanism of the needle bar drive block according to claim 1, characterized in that: the electromagnet driving mechanism further comprises a swing rod hinged to the fulcrum, the telescopic direction of a telescopic head of the electromagnet is parallel to the sliding direction of the pin shaft, and the electromagnet drives the pin shaft to slide along the guide shaft sleeve by driving the swing rod to swing.

8. The electromagnet drive mechanism of the needle bar drive block according to claim 7, characterized in that: the utility model discloses a flexible power transmission device, including left cavity, right cavity, electro-magnet seat, flexible head, left cavity, right cavity, left cavity and right cavity, the upper portion of electro-magnet seat is equipped with left cavity and right cavity about side by side, the electro-magnet is installed in last right cavity, and the flexible head is flexible in last left cavity, the lower part of electro-magnet seat is equipped with the lower cavity with last left cavity intercommunication, the tail end of round pin axle is flexible in lower cavity.

9. The electromagnet drive mechanism of the needle bar drive block according to claim 8, wherein: the middle part of the swing rod is hinged to the connecting part of the upper left cavity and the lower cavity, the upper part of the swing rod is provided with an upper inclined section which acts with the electromagnet telescopic head, the lower part of the swing rod is provided with a lower inclined section which acts with the tail end of the pin shaft, and the inclined directions of the upper inclined section and the lower inclined section are opposite.

10. Embroidery machine, its characterized in that: an electromagnet drive mechanism including the needle bar drive block claimed in any one of claims 1 to 9.