CN215051195U

CN215051195U - Automatic bobbin case changing device of sewing equipment

Info

Publication number: CN215051195U
Application number: CN202120494551.3U
Authority: CN
Inventors: 刘辉; 陈国祥
Original assignee: Zhejiang Lejiang Machine Co ltd
Current assignee: Zhejiang Lejiang Machine Co ltd
Priority date: 2021-03-09
Filing date: 2021-03-09
Publication date: 2021-12-07
Anticipated expiration: 2031-03-09

Abstract

An automatic bobbin case changing device of a sewing machine. The main problem of solving present sewing equipment and often adopting artifical manual operation when changing the bobbin case, waste time and energy. The method is characterized in that: be equipped with on the mounting panel and be used for defeated charging tray (2) and the installation mechanism that reserve bobbin case (9) were placed, installation mechanism includes rotatable and liftable installation arm (31), be equipped with on the installation arm and be used for snatching the portion of getting of bobbin case (32), it is used for getting from defeated charging tray and installs on aircraft nose (91) to get the material portion. The utility model provides a sewing equipment's automation trades bobbin case device, can be convenient install the aircraft nose with the bobbin case, reduce workman's operation, satisfy the demand of automated production and intelligent production.

Description

Automatic bobbin case changing device of sewing equipment

Technical Field

The utility model relates to a sewing machine's accessory field, concretely relates to sewing machine's automatic bobbin case device that trades.

Background

In an industrial sewing machine, a bobbin case attached to a rotating hook houses the bobbin case, and a bobbin thread is wound around the bobbin case. During a sewing operation of the sewing machine, the clothes, fabrics or leather goods are sewn up by the lower thread and the upper thread which are sequentially released from the bobbin case and supplied from the sewing needle.

The bobbin case accommodates the lower thread, which is extremely small in amount compared to the upper thread. Each time the bobbin thread runs out, it is often necessary to remove the bobbin case from the rotating hook and replace it with a new bobbin case full of the bobbin thread.

At present, manual operation is often adopted when the bobbin case is replaced, and time and labor are wasted.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of background art, the utility model provides a sewing machine's automatic bobbin case device that trades mainly solves present sewing machine and adopts artifical manual operation, the problem that wastes time and energy when changing the bobbin case often.

The utility model adopts the technical proposal that:

the automatic bobbin case changing device of the sewing equipment comprises a mounting plate, wherein a material conveying disc and a mounting mechanism which are used for placing the standby bobbin case are arranged on the mounting plate, the mounting mechanism comprises a rotatable and liftable mounting arm, a material taking part which is used for grabbing the bobbin case is arranged on the mounting arm, and the material taking part is used for taking materials from the material conveying disc and is mounted on a machine head.

The installation mechanism still includes by first power supply, first power supply includes the telescopic actuating lever, the rotatable installation of installation arm is in on the actuating lever.

The installation mechanism still includes the second power supply, the second power supply includes the second actuating lever, the second actuating lever pass through the connecting rod with installation arm one end is connected and is used for driving the installation arm rotates.

The mounting arm comprises a rotating plate, the material taking part comprises a first clamping finger and a second clamping finger which are arranged on the rotating plate, and a clamping groove used for grabbing the bobbin case is formed between the first clamping finger and the second clamping finger.

The mounting arm comprises a rotating plate, a first through groove for the driving rod to pass through is formed in the rotating plate, a sleeve is arranged on the rotating plate, and the sleeve is sleeved outside the driving rod; the driving rod is provided with a linkage plate which can be rotatably arranged, the linkage plate is connected with the sleeve, and a limiting part is arranged on the linkage plate along the axial direction of the driving rod in the vertical direction.

The limiting part is a nut in threaded connection with the driving rod.

The connecting rod is provided with a supporting rod, and the rotating plate is provided with a second through groove for the supporting rod to penetrate through.

The rotating plate is provided with a rod sleeve, one end of the supporting rod is arranged in the rod sleeve, and a bearing is arranged between the rod sleeve and the supporting rod.

The material conveying disc is provided with a plurality of fixing seats for preventing the bobbin case, and the material conveying disc is driven to rotate intermittently by a fourth power source.

A partition plate is arranged at the bottom of the material conveying plate, a limiting part and a blocking wall are arranged on the partition plate, the fourth power source comprises a fourth driving rod, a pushing part is arranged on the fourth driving rod, and the pushing part and the blocking wall are arranged oppositely; still be equipped with the mount pad on the mounting panel, on the mount pad with spacing portion is equipped with spacing complex locking part relatively.

The utility model has the advantages that: the utility model provides a sewing equipment's automation trades bobbin case device, can be convenient install the aircraft nose with the bobbin case, reduce workman's operation, work efficiency is high.

Drawings

Fig. 1 is an exploded view of an embodiment of the present invention.

Fig. 2 is a partial perspective view of an embodiment of the present invention.

Fig. 3 is a partial perspective view of an embodiment of the present invention.

Fig. 4 is a partial perspective view of an embodiment of the present invention.

Fig. 5 is a partial perspective view of an embodiment of the present invention.

Fig. 6 is a partial perspective view of an embodiment of the present invention.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings: as shown in the figure, sewing equipment's automation trades bobbin case device, including mounting panel 1, be equipped with on the mounting panel and be used for defeated material dish 2 and the installation mechanism that reserve bobbin case 9 placed, installation mechanism includes rotatable and liftable installation arm 31, be equipped with the material portion of getting 32 that is used for snatching the bobbin case on the installation arm, it is used for getting from defeated material dish and installs on aircraft nose 91 to get the material portion. During the use, should install the arm and snatch the bobbin case from defeated material dish and rotate to aircraft nose position, then reduce and pack into the rotating shuttle on the aircraft nose, should get material portion and can get the material for modes such as press from both sides finger or magnetism.

In this embodiment, the mounting mechanism further comprises a first power source 33, which includes a retractable drive rod 331, as shown, and the mounting arm is rotatably mounted to the drive rod. First power supply, second power supply, third power supply, fourth power supply all can be the cylinder, and the installation arm can realize through modes such as trompil that the installation moves installing on the actuating lever.

In this embodiment, as shown in the figure, the mounting mechanism further includes a second power source 34, and the second power source includes a second driving rod, and the second driving rod is connected to one end of the mounting arm through a connecting rod 342 for driving the mounting arm to rotate. The second driving rod is used for driving the mounting arm to swing back and forth so as to realize the back and forth movement of one end of the mounting arm from the machine head to the material conveying disc.

In this embodiment, as shown in the figure, the mounting arm includes a rotating plate 311, and the material taking section includes a first gripping finger 312 and a second gripping finger 313 provided on the rotating plate, and a gripping groove 318 for gripping the bobbin case is formed between the first gripping finger and the second gripping finger. The first clamping finger can be moved by the third power source 3131 to drive the clamping action.

In this embodiment, as shown in the figure, the mounting arm includes a rotating plate 311, a first through slot 314 is provided on the rotating plate for the driving rod to pass through, and a sleeve 315 is provided on the rotating plate and sleeved outside the driving rod; the driving rod is provided with a linkage plate 332 which can be rotatably arranged, the linkage plate is connected with the sleeve, and the linkage plate is provided with a limiting part 333 along the axial up-down direction of the driving rod. The linkage rod is rotatably connected to the driving rod, connected with the sleeve, and connected with the rotating plate, so that the linkage rod can freely rotate when one end of the rotating plate rotates to bear force, and does not affect the lifting along with the driving rod.

In this embodiment, as shown in the figure, the limiting member is a nut in threaded connection with the driving rod.

In this embodiment, as shown in the figure, a supporting rod 343 is disposed on the connecting rod, and a second through slot for the supporting rod to pass through is disposed on the rotating plate.

In this embodiment, as shown in the figure, the rotating plate is provided with a rod sleeve 345, one end of the strut is located in the rod sleeve, and a bearing 346 is arranged between the rod sleeve and the strut. The friction is reduced, and the using effect is better.

In this embodiment, as shown in the figure, the material conveying disc is provided with a plurality of fixing seats 21 for bobbin case prevention, and the material conveying disc is driven by a fourth power source 20 to rotate intermittently.

In this embodiment, as shown in the figure, a dividing disc 22 is disposed at the bottom of the material conveying disc, a limiting portion 221 and a blocking wall 222 are disposed on the dividing disc, the fourth power source includes a fourth driving rod, a pushing portion 202 is disposed on the fourth driving rod, and the pushing portion is disposed opposite to the blocking wall; still be equipped with mount pad 23 on the mounting panel, on the mount pad with spacing portion is equipped with spacing complex detent 231 relatively. The fourth driving rod makes a stroke to and fro to push the rotating disc to rotate by the same angle, a stop part is arranged for limiting, the stop part can be a boss and the like, the outer surface of the stop part can be set into an arc to play a certain limit, and the stop part can smoothly rotate when the fourth driving rod pushes.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The embodiments described with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention. The examples should not be construed as limiting the present invention, but any modifications made based on the spirit of the present invention should be within the scope of the present invention.

Claims

1. Sewing machines's automatic shuttle shell device that trades, including mounting panel (1), its characterized in that: the mounting plate is provided with a material conveying disc (2) for placing a standby bobbin case (9) and a mounting mechanism,

the mounting mechanism comprises a rotatable and liftable mounting arm (31), a material taking part (32) for grabbing the bobbin case is arranged on the mounting arm, and the material taking part is used for taking materials from the material conveying disc and is mounted on the machine head (91).

2. The automatic bobbin case changing device of a sewing apparatus according to claim 1, wherein: the mounting mechanism further comprises a first power source (33) including a telescopic drive rod (331), the mounting arm being rotatably mounted on the drive rod.

3. The automatic bobbin case changing device of sewing machine according to claim 1 or 2, wherein: the installation mechanism still includes second power supply (34), the second power supply includes the second actuating lever, the second actuating lever pass through connecting rod (342) with installation arm one end is connected and is used for driving the installation arm rotates.

4. The automatic bobbin case changing device of a sewing apparatus according to claim 1, wherein: the mounting arm comprises a rotating plate (311), the material taking part comprises a first clamping finger (312) and a second clamping finger (313), the first clamping finger and the second clamping finger are arranged on the rotating plate, and a clamping groove (318) used for grabbing the bobbin case is formed between the first clamping finger and the second clamping finger.

5. The automatic bobbin case changing device of a sewing apparatus according to claim 1, wherein: the mounting arm comprises a rotating plate (311), a first through groove (314) for the driving rod to pass through is formed in the rotating plate, a sleeve (315) is arranged on the rotating plate, and the sleeve is sleeved outside the driving rod; the linkage plate is arranged on the driving rod in a rotatable mode (332), the linkage plate is connected with the sleeve, and a limiting part (333) is arranged on the linkage plate in the vertical direction along the axial direction of the driving rod.

6. The automatic bobbin case changing device of a sewing apparatus according to claim 5, wherein: the limiting part is a nut in threaded connection with the driving rod.

7. The automatic bobbin case changing device of a sewing apparatus according to claim 3, wherein: the connecting rod is provided with a supporting rod (343), and the rotating plate is provided with a second through groove for the supporting rod to pass through.

8. The automatic bobbin case changing device of a sewing apparatus according to claim 5, wherein: the rotating plate is provided with a rod sleeve (345), one end of the supporting rod is arranged in the rod sleeve, and a bearing (346) is arranged between the rod sleeve and the supporting rod.

9. The automatic bobbin case changing device of a sewing apparatus according to claim 1, wherein: the material conveying disc is provided with a plurality of fixing seats (21) for preventing the bobbin case, and the material conveying disc is driven to rotate intermittently by a fourth power source (20).

10. The automatic bobbin case changing device of a sewing apparatus according to claim 8, wherein: a dividing disc (22) is arranged at the bottom of the material conveying disc, a limiting part (221) and a blocking wall (222) are arranged on the dividing disc, the fourth power source comprises a fourth driving rod, a pushing part (202) is arranged on the fourth driving rod, and the pushing part and the blocking wall are arranged oppositely; still be equipped with mount pad (23) on the mounting panel, on the mount pad with spacing portion is equipped with spacing complex detent (231) relatively.