阅读说明：本技术 一种梭壳抓取机构及绣花机换梭壳装置 (Bobbin case grabbing mechanism and bobbin case changing device of embroidery machine ) 是由 贾涵予 于 2020-08-10 设计创作，主要内容包括：文略提供了一种梭壳抓取机构及绣花机换梭壳装置,包括,用于配合梭壳弹片侧的梭壳体的壳底限位部,及与壳底限位部相对活动设置的扳指弹片；使用时相对活动的扳指弹片与壳底限位部至少具备两个状态：梭壳抓取机构还包括提供扳指弹片与壳底限位部相对活动设置的第一位移装置,所述第一位移装置提供梭壳弹片在第一方向上的位移运动。本发明结构简单,操作方便且成本低廉,同时易于检修,为了简化生产线结构,降低机构控制难度,采用位移运动的基本构型。(The shin-mark provides a bobbin case grabbing mechanism and an embroidery machine bobbin case changing device, comprising a case bottom limiting part and a finger pulling elastic sheet, wherein the case bottom limiting part is used for being matched with a bobbin case body on the bobbin case elastic sheet side, and the finger pulling elastic sheet is movably arranged relative to the case bottom limiting part; the finger-pulling elastic sheet and the shell bottom limiting part which are relatively movable in use at least have two states: the bobbin case grabbing mechanism further comprises a first displacement device which is provided with a finger pulling elastic sheet and a case bottom limiting portion, wherein the finger pulling elastic sheet and the case bottom limiting portion are movably arranged relatively, and the first displacement device provides displacement motion of the bobbin case elastic sheet in the first direction. The invention has simple structure, convenient operation, low cost and easy maintenance, and adopts the basic configuration of displacement motion in order to simplify the structure of the production line and reduce the control difficulty of the mechanism.)

1. A bobbin case gripping mechanism is characterized by comprising,

a shell bottom limiting part (3) for matching with the shuttle shell body (2) at the side of the shuttle shell shrapnel (1), and

a finger-pulling elastic sheet (4) which is movably arranged relative to the shell bottom limiting part (3);

the finger-pulling elastic sheet (4) and the shell bottom limiting part (3) which are relatively movable in use at least have the following two states:

in-position state: the shell bottom limiting part (3) is abutted against the shuttle shell body (2) on the side of the shuttle shell elastic sheet (1), and the finger pulling elastic sheet (4) does not act on the shuttle shell elastic sheet (1);

and (3) grabbing state: the shell bottom limiting part (3) abuts against the shuttle shell body (2) on the side of the shuttle shell elastic sheet (1), and the finger pulling elastic sheet (4) pulls up the shuttle shell elastic sheet (1) in the direction far away from the shuttle shell body (2);

the bobbin case grabbing mechanism also comprises a first displacement device (35) which is provided for the finger pulling elastic sheet (4) and the case bottom limiting part (3) to be movably arranged relatively,

the bobbin case grabbing mechanism also comprises a case bottom limiting part mounting part (34), the case bottom limiting part mounting part (34) is provided with a plurality of case bottom limiting parts (3),

the bobbin case grabbing mechanism further comprises a plurality of pulling finger elastic sheets (4) which are arranged on the pulling finger elastic sheet installation part (44), and the number of the pulling finger elastic sheets (4) is matched with the number of the stations and the case bottom limiting parts (3);

the fixed end of the first displacement device (35) is relatively fixedly arranged on the shell bottom limiting part mounting part (34), and the movable end of the first displacement device (35) is relatively fixed on the finger pulling sheet mounting part (44).

2. The bobbin case gripping mechanism according to claim 1,

the first displacement device (35) provides displacement motion of the bobbin case elastic sheet (1) in a first direction, and the first direction is the direction of a line connecting the starting position and the ending position of the tail end of the bobbin case elastic sheet (1) from the seated state to the grabbing state; the displacement direction of the movable end of the first displacement device (35) is the first direction.

3. The bobbin case gripping mechanism according to claim 1, wherein the case bottom limiting portion (3) is provided with a spring rotation space (31) allowing the bobbin case spring (1) to be cocked a set distance in a direction away from the bobbin case body (2).

4. A bobbin case gripping mechanism according to claim 3, wherein the bobbin case elastic piece (1) is provided with a bobbin case elastic piece positioning hole (12), the elastic piece rotating space (31) is provided with a bobbin case elastic piece positioning hole limit projection (32) for fitting the bobbin case elastic piece positioning hole (12),

the finger-pulling elastic sheet (4) and the shell bottom limiting part (3) which are relatively movable in use at least have the following two states:

in-position state: the shell bottom limiting part (3) abuts against the shuttle shell body (2) on the side of the shuttle shell elastic sheet (1), the finger pulling elastic sheet (4) does not act on the shuttle shell elastic sheet (1), and the shuttle shell elastic sheet positioning hole limiting protrusion (32) is not matched with the shuttle shell elastic sheet positioning hole (12);

and (3) grabbing state: the shell bottom limiting part (3) abuts against the shuttle shell body (2) on the side of the shuttle shell elastic sheet (1), and the finger pulling elastic sheet (4) pulls the shuttle shell elastic sheet (1) away from the shuttle shell body (2) by a set distance until the shuttle shell elastic sheet positioning hole limiting protrusion (32) is limited in the shuttle shell elastic sheet positioning hole (12).

5. A bobbin case gripping mechanism according to claim 3, wherein the case bottom limiting portion (3) comprises two relatively fixed limiting baffles (33), the two limiting baffles (33) are arranged in parallel, and the spring plate rotating space (31) is arranged in an area between the two limiting baffles (33).

6. A bobbin case gripping mechanism according to claim 1, wherein the finger-pulling tab (4) comprises a finger-pulling tab (41) for acting on the end of the bobbin case (1) at the proper time, the finger-pulling tab (41) being perpendicular to the first direction.

7. The shuttle shell replacing device of the embroidery machine is characterized by comprising

A bobbin case gripping mechanism (100) according to any one of claims 1 to 6,

A second displacement mechanism (5) for providing lateral displacement of the bobbin case gripping mechanism, and

a transverse displacement mounting seat (51) which is movably arranged relative to the bobbin case grabbing mechanism,

the fixed end of the second displacement mechanism (5) is fixed on the transverse displacement mounting seat (51), and the movable end of the second displacement mechanism (5) is relatively fixed on the shell bottom limiting part (3) of the bobbin shell grabbing mechanism (100).

8. The shuttle shell replacing device of the embroidery machine is characterized by comprising

A bobbin case gripping mechanism (100) according to any one of claims 1 to 6,

A third displacement mechanism (6) for providing longitudinal displacement of the bobbin case gripping mechanism, and

a longitudinal displacement mounting seat (61) which is movably arranged relative to the bobbin case grabbing mechanism,

the fixed end of the third displacement mechanism (6) is fixed on the longitudinal displacement mounting seat (61), and the movable end of the third displacement mechanism (6) is relatively fixed on the shell bottom limiting part (3) of the bobbin shell grabbing mechanism (100).

9. The shuttle shell replacing device of the embroidery machine is characterized by comprising

A bobbin case gripping mechanism (100) according to any one of claims 1 to 6,

A second displacement mechanism (5) for providing the bobbin case grabbing mechanism with transverse displacement,

A transverse displacement mounting seat (51) which is arranged relative to the bobbin case grabbing mechanism and is used for fixing the fixed end of the second displacement mechanism (5),

A third displacement mechanism (6) for providing longitudinal displacement of the transverse displacement mounting base (51), and

and the longitudinal displacement mounting seat (61) is movably arranged relative to the transverse displacement mounting seat (51) and is used for fixing the fixed end of the third displacement mechanism (6).

10. The shuttle shell replacing device of the embroidery machine is characterized by comprising

A bobbin case gripping mechanism (100) according to any one of claims 1 to 6,

A bobbin case accommodating warehouse (101) for accommodating a plurality of bobbin cases, and

and a transposition mechanism (102) for providing the bobbin case grabbing mechanism from the bobbin case accommodating warehouse (101) to the bobbin case mounting station of the embroidery machine production line.

Technical Field

The invention relates to a grabbing mechanism, in particular to a bobbin case grabbing mechanism and an embroidery machine bobbin case changing device based on the bobbin case grabbing mechanism.

Background

The bobbin case grabbing mechanism is simple and convenient to operate and low in cost.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a bobbin case grabbing mechanism and an embroidery machine bobbin case changing device based on the bobbin case grabbing mechanism.

According to one aspect of the present invention, there is provided a bobbin case gripping mechanism, comprising,

a bobbin case bottom limiting portion for fitting to the bobbin case on the bobbin case bobbin-elastic-piece side, an

The finger pulling elastic sheet is movably arranged opposite to the shell bottom limiting part;

when in use, the finger pulling elastic sheet and the shell bottom limiting part which are relatively movable at least have the following two states:

in-position state: the shell bottom limiting part is abutted against the shuttle shell body on the side of the shuttle shell elastic sheet, and the finger pulling elastic sheet does not act on the shuttle shell elastic sheet;

and (3) grabbing state: the shell bottom limiting part is abutted against the shuttle shell body on the side of the shuttle shell elastic sheet, and the finger pulling elastic sheet pulls up the shuttle shell elastic sheet in the direction far away from the shuttle shell body;

the bobbin case grabbing mechanism further comprises a first displacement device which is provided with a finger pulling elastic sheet and a case bottom limiting part which are movably arranged relatively;

the bobbin case grabbing mechanism also comprises a case bottom limiting part mounting part, a plurality of case bottom limiting parts are mounted on the case bottom limiting part mounting part,

the bobbin case grabbing mechanism further comprises a pulling finger elastic sheet mounting part, a plurality of pulling finger elastic sheets are mounted on the pulling finger elastic sheet mounting part, and the number of the pulling finger elastic sheets is matched with the number of the stations and the shell bottom limiting parts;

the fixed end of the first displacement device is relatively and fixedly arranged on the mounting part of the limiting part at the bottom of the shell, and the movable end of the first displacement device is relatively and fixedly arranged on the mounting part of the finger pulling spring piece.

The bobbin case grabbing mechanism provided by the invention grabs the bobbin case through displacement motion, and the working efficiency of the structure is greatly improved. The invention has simple structure, convenient operation, low cost and easy maintenance, and adopts the basic configuration of displacement motion in order to simplify the production line structure and reduce the mechanism control difficulty.

In some embodiments, the first displacement device provides displacement motion of the bobbin case elastic sheet in a first direction, the first direction is a direction in which a line is located from the seated state to a starting and ending position of the end of the bobbin case elastic sheet in the grabbing state, and the displacement direction of the movable end of the first displacement device is the first direction.

In some embodiments, the shell bottom limiting part is provided with a spring plate rotating space which allows the bobbin shell spring plate to be pulled up by a set distance in the direction away from the bobbin shell body.

In some embodiments, the bobbin case spring is provided with a bobbin case spring positioning hole, the spring rotating space is provided with a bobbin case spring positioning hole limiting protrusion for fitting the bobbin case spring positioning hole,

when in use, the finger pulling elastic sheet and the shell bottom limiting part which are relatively movable at least have the following two states:

in-position state: the shell bottom limiting part is abutted against the shuttle shell body on the side of the shuttle shell elastic sheet, the finger pulling elastic sheet does not act on the shuttle shell elastic sheet, and the limiting protrusion of the shuttle shell elastic sheet positioning hole is not matched with the shuttle shell elastic sheet positioning hole;

and (3) grabbing state: the shell bottom limiting part is abutted against the shuttle shell body on the side of the shuttle shell elastic sheet, and the finger pulling elastic sheet pulls the shuttle shell elastic sheet to a direction far away from the shuttle shell body by a set distance until the shuttle shell elastic sheet positioning hole is limited by the limiting protrusion and positioned in the shuttle shell elastic sheet positioning hole.

In some embodiments, the shell bottom limiting portion includes two relatively fixed limiting baffles, the two limiting baffles are arranged in parallel, and the elastic piece rotating space is disposed in an area between the two limiting baffles.

In some embodiments, the finger-pulling tab includes a paddle for acting on the end of the bobbin case spring in time, the paddle being perpendicular to the first direction.

In another aspect, the present invention also provides an embroidery machine bobbin case changing device, comprising

The bobbin case grabbing mechanism,

Second displacement mechanism for providing lateral displacement of bobbin case gripping mechanism, and

a transverse displacement mounting seat which is movably arranged relative to the bobbin case grabbing mechanism,

the fixed end of the second displacement mechanism is fixed on the transverse displacement mounting seat, and the movable end of the second displacement mechanism is relatively fixed on the shell bottom limiting part of the bobbin shell grabbing mechanism.

The invention provides a bobbin case changing device of an embroidery machine, wherein a bobbin case grabbing mechanism is transversely pushed by a case bottom limiting part to reach a set position, and specifically, the bobbin case grabbing mechanism is transversely pushed by the case bottom limiting part to transversely shift to a set station in a in-position state or a grabbing state.

In still another aspect, the present invention provides an embroidery machine bobbin case changing device including

The bobbin case grabbing mechanism,

Third displacement mechanism for providing longitudinal displacement of bobbin case gripping mechanism, and

a longitudinal displacement mounting seat which is movably arranged relative to the bobbin case grabbing mechanism,

the fixed end of the third displacement mechanism is fixed on the longitudinal displacement mounting seat, and the movable end of the third displacement mechanism is relatively fixed on the shell bottom limiting part of the bobbin shell grabbing mechanism.

In still another aspect, the present invention provides an embroidery machine bobbin case changing device including

The bobbin case grabbing mechanism,

A second displacement mechanism for providing the bobbin case grabbing mechanism with transverse displacement,

A transverse displacement mounting seat which is arranged opposite to the bobbin case grabbing mechanism and is used for fixing the fixed end of the second displacement mechanism,

Third displacement mechanism for providing longitudinal displacement of transverse displacement mounting base, and

and the longitudinal displacement mounting seat is movably arranged relative to the transverse displacement mounting seat and is used for fixing the fixed end of the third displacement mechanism.

In still another aspect, the present invention also provides an embroidery machine bobbin case changing device, including

The bobbin case grabbing mechanism,

Bobbin case housing magazine for housing a plurality of bobbin cases, and

and providing a transposition mechanism for the bobbin case grabbing mechanism from the bobbin case accommodating warehouse to the bobbin case mounting station of the embroidery machine production line.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural diagram of an embodiment of a bobbin case gripping mechanism provided by the present invention;

FIG. 2 is a schematic structural diagram of a bobbin case gripping mechanism according to yet another embodiment of the present invention;

FIG. 3 is a schematic structural view of a bobbin case cooperating with a bobbin case gripping mechanism of the present invention;

fig. 4 is a schematic structural view of an embodiment of a bobbin case changing device of an embroidery machine according to the present invention.

Detailed Description

The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that variations and modifications can be made by persons skilled in the art without departing from the spirit of the invention. All falling within the scope of the present invention.

As shown in fig. 1 and 3, the present invention provides a bobbin case gripping mechanism, comprising,

a shell bottom limiting part 3 for matching with the shuttle shell 2 at the side of the shuttle shell shrapnel 1, and

a finger-pulling spring piece 4 which is movably arranged opposite to the shell bottom limiting part 3;

when in use, the finger pulling elastic sheet 4 and the shell bottom limiting part 3 which are relatively movable at least have the following two states:

in-position state: the shell bottom limiting part 3 is abutted against the shuttle shell body 2 at the side of the shuttle shell elastic sheet 1, and the finger pulling elastic sheet 4 does not act on the shuttle shell elastic sheet 1;

and (3) grabbing state: the shell bottom limiting part 3 is abutted against the shuttle shell body 2 on the side of the shuttle shell elastic sheet 1, and the finger pulling elastic sheet 4 pulls up the shuttle shell elastic sheet 1 in the direction far away from the shuttle shell body 2;

the bobbin case grabbing mechanism also comprises a first displacement device 35 which is provided with a finger pulling elastic sheet 4 and a case bottom limiting part 3 which are movably arranged relatively,

the bobbin case grabbing mechanism further comprises a case bottom limiting part mounting part 34, the case bottom limiting part mounting part 34 is provided with a plurality of case bottom limiting parts 3,

the bobbin case grabbing mechanism further comprises a finger-pulling bullet mounting part 44, a plurality of finger-pulling bullet pieces 4 are mounted on the finger-pulling bullet mounting part 44, and the number of the finger-pulling bullet pieces 4 is matched with the number of stations and the shell bottom limiting parts 3;

the fixed end of the first displacement device 35 is relatively fixed to the housing bottom limiting portion mounting portion 34, and the movable end of the first displacement device 35 is relatively fixed to the finger pulling sheet mounting portion 44.

The bobbin case grabbing mechanism provided by the invention grabs the bobbin case through displacement motion, and the working efficiency of the structure is greatly improved. The invention has simple structure, convenient operation, low cost and easy maintenance, and adopts the basic configuration of displacement motion in order to simplify the production line structure and reduce the mechanism control difficulty.

In the embodiment that the number of the finger-pulling spring pieces 4 and the shell bottom limiting parts 3 is multiple, preferably, the finger-pulling spring pieces 4 and the shell bottom limiting parts 3 are arranged in an array, the array can be linear, rectangular, circular or a combination of the above forms, and the positions of the bobbin shells of the embroidery machines which need to be served by the bobbin shell grabbing mechanism provided by the invention are specifically determined.

In more application scenarios, the plurality of finger playing pieces 4 and the plurality of shell bottom limiting portions 3 are linearly arranged, as shown in fig. 2 in the embodiment provided by the present invention, the finger playing piece mounting portion 44 is a rod body, the plurality of finger playing pieces 4 are sequentially and linearly mounted on the finger playing piece mounting portion 44, the finger playing piece mounting portion 44 is plate-shaped, and the plurality of shell bottom limiting portions 3 are mounted on one side of the plate-shaped finger playing piece mounting portion 44.

In various embodiments of the bobbin case gripping mechanism provided by the present invention, the first displacement device 35 may be an air cylinder push rod mechanism, an electrode-driven lead screw thread sleeve mechanism, or even a manual lead screw thread sleeve mechanism.

In various embodiments of the bobbin case gripping mechanism according to the present invention, as shown in fig. 2, preferably, the first displacement device 35 provides a displacement motion of the bobbin case elastic piece 1 in a first direction from the seated state to a gripped state, where a line is located at a starting and ending position of an end of the bobbin case elastic piece 1, and a displacement direction of a movable end of the first displacement device (35) is the first direction.

To achieve a more stable grip.

In various embodiments of the bobbin case gripping mechanism according to the present invention, the case bottom limiting portion 3 is preferably provided with a spring plate rotating space 31 that allows the bobbin case spring plate 1 to be lifted a set distance in a direction away from the bobbin case 2.

And a motion space is reserved for the bobbin case elastic sheet 1, so that the bobbin case elastic sheet is convenient to move.

In various embodiments of the bobbin case gripping mechanism of the present invention, it is preferable that the bobbin case elastic piece 1 is provided with a bobbin case elastic piece positioning hole 12, the elastic piece rotating space 31 is provided with a bobbin case elastic piece positioning hole limit projection 32 for fitting the bobbin case elastic piece positioning hole 12,

when in use, the finger pulling elastic sheet 4 and the shell bottom limiting part 3 which are relatively movable at least have the following two states:

in-position state: the shell bottom limiting part 3 is abutted against the shuttle shell body 2 at the side of the shuttle shell elastic sheet 1, the finger pulling elastic sheet 4 does not act on the shuttle shell elastic sheet 1, and the shuttle shell elastic sheet positioning hole limiting protrusion 32 is not matched with the shuttle shell elastic sheet positioning hole 12;

and (3) grabbing state: the shell bottom limiting part 3 is abutted against the shuttle shell body 2 on the side of the shuttle shell elastic sheet 1, and the finger pulling elastic sheet 4 pulls the shuttle shell elastic sheet 1 away from the shuttle shell body 2 by a set distance until the shuttle shell elastic sheet positioning hole limiting protrusion 32 is limited in the shuttle shell elastic sheet positioning hole 12.

And when the grabbing is carried out, the limiting control is provided, and the grabbing is more firm and stable.

In various embodiments of the bobbin case grabbing mechanism provided by the present invention, preferably, the case bottom limiting portion 3 includes two relatively fixed limiting baffles 33, the two limiting baffles 33 are disposed in parallel, and the elastic piece rotating space 31 is disposed in an area between the two limiting baffles 33.

In the embodiment having the bobbin case spring positioning hole limiting projection 32, it is preferable that the case bottom limiting portion 3 includes the bobbin case spring positioning hole limiting projection 32 fixed to the spring rotating space 31.

The specific structure of the case bottom stopper 3 is provided in which the method is simple and easy to implement, but the scope of the present invention is not limited to this structure.

In various embodiments of the bobbin case gripping mechanism of the present invention, the finger-pulling tab 4 preferably includes a finger-pulling tab 41 for acting on the end of the bobbin case elastic piece 1 at a proper time, the finger-pulling tab 41 being perpendicular to the first direction.

The finger pulling elastic sheet 4 can be always effectively matched with the tail end of the bobbin case elastic sheet 1 when being grabbed.

Based on the above, as shown in fig. 4, the invention also provides an embroidery machine bobbin case changing device, which comprises

The bobbin case gripping mechanism 100 of any of the above embodiments,

A second displacement mechanism 5 for providing lateral displacement of the bobbin case gripping mechanism, and

a transverse displacement mounting seat 51 which is movably arranged relative to the bobbin case gripping mechanism,

the fixed end of the second displacement mechanism 5 is fixed on the transverse displacement mounting base 51, and the movable end of the second displacement mechanism 5 is relatively fixed on the shell bottom limiting part 3 of the bobbin shell grabbing mechanism 100.

According to the bobbin case changing device of the embroidery machine, the second displacement mechanism 5 transversely pushes the bobbin case grabbing mechanism 100 to reach the set position, and specifically, the second displacement mechanism 5 transversely pushes the bobbin case grabbing mechanism 100 to be in the in-position state or the grabbing state to be transversely displaced to the set station.

It should be noted that: the second displacement mechanism can be a cylinder push rod mechanism and also can be a screw rod positioning block mechanism. The second displacement mechanism adopted by the embodiment provided by the invention adopts a cylinder push rod mechanism.

On the other hand, as shown in fig. 4, the present invention provides an embroidery machine bobbin case changing device comprising

The bobbin case gripping mechanism 100 of any of the above embodiments,

A third displacement mechanism 6 for providing longitudinal displacement of the bobbin case gripping mechanism 100, and

a longitudinal displacement mounting seat 61 which is movably arranged relative to the bobbin case grabbing mechanism,

the fixed end of the third displacement mechanism 6 is fixed on the longitudinal displacement mounting base 61, and the movable end of the third displacement mechanism 6 is relatively fixed on the shell bottom limiting part 3 of the bobbin shell grabbing mechanism 100.

According to the bobbin case changing device of the embroidery machine, the third displacement mechanism 6 longitudinally pushes the bobbin case grabbing mechanism 100 to reach the set position, and specifically, the third displacement mechanism 6 longitudinally pushes the bobbin case grabbing mechanism 100 to be in the in-position state or the grabbing state to be transversely displaced to the set station.

In various embodiments of the bobbin case changing device for the embroidery machine provided by the invention, preferably, the third displacement mechanism can be an air cylinder push rod mechanism and can also be a screw rod positioning block mechanism. The third displacement mechanism of the invention adopts a screw rod positioning block mechanism.

In still another aspect, as shown in fig. 4, the present invention provides an embroidery machine bobbin case changing device including

The bobbin case gripping mechanism 100 of any of the above embodiments,

A second displacement mechanism 5 for providing the bobbin case grabbing mechanism with transverse displacement,

A transverse displacement mounting seat 51 which is arranged relative to the bobbin case grabbing mechanism 100 and is used for fixing the fixed end of the second displacement mechanism 5,

A third displacement mechanism 6 for providing longitudinal displacement of the transverse displacement mounting seat 51, and

and a longitudinal displacement mount 61 disposed movably relative to the lateral displacement mount 51 and for fixing the fixed end of the third displacement mechanism 6.

According to the bobbin case changing device of the embroidery machine, the second displacement mechanism 5 transversely pushes the bobbin case grabbing mechanism 100 to reach the set position, and specifically, the second displacement mechanism 5 transversely pushes the bobbin case grabbing mechanism 100 to be in the in-position state or the grabbing state to be transversely displaced to the set station.

The third displacement mechanism 6 longitudinally pushes the bobbin case gripping mechanism 100 to reach a set position, and specifically, the third displacement mechanism 6 longitudinally pushes the bobbin case gripping mechanism 100 to be in a position state or a gripping state to be transversely displaced to a set station.

The bobbin case gripping device 100 is provided with a transverse and longitudinal displacement device, so that the bobbin case changing device of the embroidery machine can provide a shuttle changing function for various shapes of embroidery machines in various directions.

It should be noted that: the second displacement mechanism and the third displacement mechanism can be cylinder push rod mechanisms and also can be screw rod positioning block mechanisms.

In still another aspect, as shown in fig. 4, the present invention provides an embroidery machine bobbin case changing device comprising

The bobbin case catching mechanism 100 of each item of the above embodiments,

A bobbin case storage 101 for storing a plurality of bobbin cases, and

a bobbin case gripping mechanism 100 is provided at a position from a bobbin case accommodating magazine 101 to an index mechanism 102 of a bobbin case mounting station of an embroidery machine production line.

It should be noted that: the indexing mechanism 102 may be a combination of the above-mentioned lateral and longitudinal displacements, or may be an automated robot.

It should be noted that: the bobbin case storage 101 is a bobbin case storage body and a plurality of strip-shaped storages detachably arranged on the bobbin case storage body; each strip-shaped library is provided with a plurality of bobbin case mounting positions. The mode of detachably mounting each strip magazine on the shuttle shell magazine body is not limited, and the strip magazines can be fastened by locking nuts or can be provided with insertion grooves as shown in fig. 4, and each strip magazine is provided with insertion strips matched with the insertion grooves.