CN210765821U

CN210765821U - Embroidery machine rotating shuttle convenient for adjusting bottom line tension

Info

Publication number: CN210765821U
Application number: CN201921085076.3U
Authority: CN
Inventors: 黄仲新; 金利钢
Original assignee: Dongyang Taiji Precision Manufacturing Co ltd
Current assignee: Dongyang Taiji Precision Manufacturing Co ltd
Priority date: 2019-07-11
Filing date: 2019-07-11
Publication date: 2020-06-16
Anticipated expiration: 2029-07-11

Abstract

The utility model relates to and sewing machine embroidery machine equipment field discloses an embroidery machine rotating shuttle convenient to adjust bottom line tension. Including the bobbin case with paste and locate the first bobbin case of bobbin case upper surface, the bottom line clamp is located between bobbin case and the first bobbin case, first bobbin case upper portion is equipped with the second bobbin case, be equipped with on the second bobbin case downwards and with the first bobbin case inconsistent bellying, bobbin case upper portion is equipped with the supporting part, the supporting part is located the left end lower part of second bobbin case, first bobbin case is located the right-hand member lower part of second bobbin case, the position that lies in on the second bobbin case between supporting part and the bobbin case is equipped with the part of exerting pressure of exerting downward pressure to the second bobbin case. The utility model discloses increase the second bobbin case, the second bobbin case exerts the condition that local perk can not appear to the in-process of pressure to first bobbin case, and bottom line tension adjusts comparatively easily.

Description

Embroidery machine rotating shuttle convenient for adjusting bottom line tension

Technical Field

The utility model belongs to the technical field of sewing machine embroidery machine equipment and specifically relates to an embroidery machine rotating shuttle convenient to adjust bottom line tension is related to.

Background

The rotating shuttle is a key component of the sewing embroidery machine and is in a rotating friction state when in work. At present, a rotating shuttle of a sewing embroidery machine comprises a bobbin case and a bobbin case arranged on the upper part of the bobbin case, a bobbin thread is clamped between the bobbin case and the bobbin case, the tension of the bobbin thread is adjusted by adjusting the pressure of the bobbin case on the bobbin thread, the tension of the bobbin thread required by embroidery is achieved, and the embroidery process is finished. In the prior art, only one bobbin case on the upper part of the bobbin case independently adjusts the tension of the bottom thread, and the bobbin case adjusts the bottom thread with a certain limitation. Chinese patent publication No. CN208346441 discloses a wear-resistant rotary shuttle of a sewing embroidery machine, which comprises a shuttle bed, a shuttle frame, a moon ring and a shuttle skin; the shuttle frame is externally provided with a circle of grooves, ceramic convex rings are fixed on the grooves, ceramic flanges are fixed on the tops of the inner circumferential surfaces of the shuttle beds, the shuttle frame is arranged in the shuttle beds, the lower ends of the ceramic convex rings are located above the upper ends of the ceramic guide rails, the moon-shaped ring bag is arranged on the outer sides of the shuttle beds, the lower ends of the ceramic flanges are located above the upper ends of the ceramic convex rings, the shuttle leather bag is arranged on the outer sides of the moon-shaped rings, and the rotating shuttle structure of the embroidery machine is complex and. As shown in fig. 5, the simplified rotating shuttle of the embroidery machine in the prior art includes a bobbin case 1 and a bobbin case 2 attached to the upper surface of the bobbin case, a bobbin thread 3 is clamped between the bobbin case and the bobbin case, a support portion 11 is arranged on the bobbin case, the support portion is arranged at the lower portion of the left end of the bobbin case, the bobbin thread is arranged at the lower portion of the right end of the bobbin case, the bobbin case is screwed with the bobbin case at a position between the support portion and the bobbin thread, and the pressure of the bobbin case on the bobbin case upper surface is adjusted by a screw 51, so as to adjust the tension of the bobbin thread.

Disclosure of Invention

The utility model provides an overcome prior art embroidery machine rotating shuttle bobbin thread tension and adjust the problem of difficulty, provide an embroidery machine rotating shuttle convenient to adjust bobbin thread tension.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the embroidery machine rotating shuttle convenient for adjusting the tension of the bottom thread comprises a bobbin case and a first bobbin case attached to the upper surface of the bobbin case, wherein the bottom thread is clamped between the bobbin case and the first bobbin case, the embroidery machine rotating shuttle further comprises a second bobbin case parallel to the first bobbin case, the first bobbin case is located below the right end of the second bobbin case, a protruding portion which is downward and is inconsistent with the first bobbin case is arranged on the second bobbin case, a supporting portion is arranged on the upper portion of the bobbin case, the supporting portion is located below the left end of the second bobbin case, and a pressing component which applies downward pressure to the second bobbin case is arranged at a position between the supporting portion and the first bobbin case on the second bobbin case.

The utility model discloses an increase the second bobbin case in first bobbin case top, adopt double-deck bobbin case structure to exert pressure to the bottom line, set up downwards and with the inconsistent bellying of first bobbin case on the second bobbin case, the bellying applys decurrent pressure to first bobbin case, because first bobbin case is parallel with the bobbin case, so the bellying applys the condition that local perk can not appear in the pressure process to first bobbin case, at the in-process of pushing down the second bobbin case, press from both sides the pressure that the bottom line that is located between first bobbin case and the bobbin case received and will increase gradually, the tension of bottom line is more and more tight, until reaching suitable embroidery bottom line tension, adopt double-deck bobbin case to adjust bottom line tension, it is convenient to adjust, avoid appearing the bobbin case and adjust the inefficacy.

Preferably, the pressing member includes a screw, a first through hole is formed in the second bobbin case at a position between the support portion and the first bobbin case, and the screw penetrates through the first through hole and is screwed with the bobbin case.

The utility model discloses to set up the part that exerts pressure downwards to the second bobbin skin into the screw, the size that the second bobbin skin was exerted pressure to first bobbin skin is controlled to the elasticity degree of spiro union between control screw and the bobbin case, and then the tension size of control bottom line, adjusts comparatively portably and the part of exerting pressure is simple, saves manufacturing cost.

Preferably, the first bobbin case is provided with a second through hole, a limiting block is arranged at the position, corresponding to the second through hole, of the upper portion of the bobbin case, the limiting block penetrates through the second through hole, and the bottom thread is led to the outside of the bobbin case by bypassing the limiting block.

The bottom line bypasses the limiting block, the limiting block plays a limiting role on the bottom line, the bottom line can be led out from the 0-180-degree direction after bypassing the limiting block, and the range of the outlet angle of the bottom line is enlarged. In addition, in the process of adjusting the 0-180-degree outgoing angle of the bobbin thread, the bottom surface of the first bobbin case is completely parallel to the bobbin case, so that the pressure of the bobbin case on the bobbin thread is constant in the process of moving the bobbin thread on the surface of the bobbin case, and the adverse effect on embroidery caused by the change of the pressure of the bobbin case on the bobbin thread due to the fact that the bottom surface of the first bobbin case is not parallel to the bobbin case in the prior art is avoided.

Preferably, the second bobbin case is provided with a third through hole vertically corresponding to the second through hole, and the limiting block penetrates through the third through hole.

Through opening the third through-hole that sets up and correspond from top to bottom with first through-hole on the second bobbin case, the stopper can run through the second bobbin case to needn't the height of accurate control stopper, save the parts machining cost.

Preferably, the limiting block is cylindrical, and the bottom line is drawn to the outside of the bobbin case by bypassing the circumferential outer wall of the limiting block.

The stopper sets up to cylindric, and stopper circumference outer wall is walked around to the bottom line to the effort that the stopper was applyed the bottom line is even, avoids the too big fracture that causes the bottom line of bottom line local friction effort.

Preferably, a notch is formed in the right end of the first bobbin case, a limiting portion bent downwards is arranged at the right end of the second bobbin case, and the limiting portion is clamped in the notch.

The limiting part on the second bobbin case is clamped in the notch of the first bobbin case, so that the right end between the first bobbin case and the second bobbin case is kept stable, and relative sliding between the first bobbin case and the second bobbin case is avoided.

Preferably, the left end of the second bobbin case is fixedly connected with the bobbin case by bypassing the supporting part.

Through the left end with the second bobbin case fixed, prevent that relative displacement from appearing in the second bobbin case for the bobbin case, increase the stability of structure.

Therefore, the utility model discloses following beneficial effect has: (1) the second bobbin thread is added, so that the situation of local tilting cannot occur in the process that the second bobbin thread applies pressure to the first bobbin thread, and the tension of the bottom thread is easy to adjust; (2) in the process of adjusting the outlet angle of the bottom thread, the pressure of the bobbin case on the bottom thread is kept stable, and the bad influence on embroidery is avoided.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic cross-sectional structure of the present invention.

Fig. 3 is a schematic view of a part a of the enlarged structure in fig. 2.

Fig. 4 is a schematic top view of the present invention.

Fig. 5 is a schematic view of a structure of a prior art rotary hook.

Reference numerals

The bobbin case comprises a bobbin case 1, a first bobbin case 2, a bobbin thread 3, a second bobbin case 4, a boss 41, a support portion 11, a pressing member 5, a screw 51, a first through hole 42, a second through hole 21, a limiting block 12, a third through hole 43, a notch 22 and a limiting portion 44.

Detailed Description

The technical solution of the present invention is further explained by the following specific embodiments.

Example 1

As shown in fig. 1 to 4, the embroidery machine rotating shuttle convenient for adjusting the tension of a bobbin thread comprises a bobbin case 1, a first bobbin case 2 attached to the upper surface of the bobbin case, a second bobbin case 4 parallel to the first bobbin case, and a bobbin thread 3 clamped between the bobbin case and the first bobbin case, wherein the first bobbin case is located below the right end of the second bobbin case, the right end of the second bobbin case is provided with a downward protruding part 41 which is abutted against the first bobbin case, the upper part of the bobbin case is provided with a supporting part 11 which is located at the lower part of the left end of the second bobbin case, the left end of the second bobbin case is fixedly connected with the bobbin case by bypassing the supporting part, a screw which applies downward pressure to the second bobbin case is arranged on the second bobbin case between the supporting part and the first bobbin case, a first through hole 42 is arranged on the second bobbin case between the supporting part and the bobbin case, the screw penetrates through the first through hole and is in threaded connection with the bobbin case, the downward pressure applied to the second bobbin case by the screw is adjusted by adjusting the screwing tightness of the screw and the bobbin case; the first bobbin case is provided with a second through hole 21, the second bobbin case is provided with a third through hole 43 vertically corresponding to the second through hole, the upper part of the bobbin case corresponding to the second through hole is provided with a limiting block 12, the limiting block penetrates through the second through hole and the third through hole, and the bottom thread is drawn to the outside of the bobbin case by bypassing the circumferential outer wall of the cylindrical limiting block; the right end of the first bobbin case is provided with a notch 22, the right end of the second bobbin case is provided with a limiting part 44 bent downwards, and the limiting part is clamped in the notch.

The working principle is as follows: in the process of adjusting the tension of the bobbin thread, the screw is gradually screwed, the downward pressure exerted by the screw on the second bobbin case is gradually increased, the pressure exerted by the bulge part at the lower part of the second bobbin case on the first bobbin case is gradually increased, the first bobbin case is parallel to the upper surface of the bobbin case, and the pressure of each position on the lower surface of the first bobbin case on the bobbin case is the same, so that the pressure of the first bobbin case on the bobbin thread on the upper surface of the bobbin case is gradually increased, the tension of the bobbin thread is gradually increased in the process of pulling until the proper tension of the bobbin thread is adjusted, the screwing of the screw is stopped, and the tension adjustment of the bobbin thread is completed.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiments, and although the present invention has been disclosed with the preferred embodiments, it is not limited to the present invention, and any skilled person in the art can make some modifications or equivalent changes without departing from the technical scope of the present invention.

Claims

1. Embroidery machine rotating shuttle convenient to adjust bottom line tension, including bobbin case (1) and paste first bobbin case (2) of locating bobbin case upper surface, bottom line (3) press from both sides and locate between bobbin case and the first bobbin case, its characterized in that still includes second bobbin case (4) that parallels with first bobbin case, first bobbin case is located the right-hand member below of second bobbin case, be equipped with on the second bobbin case downwards and with first bobbin case inconsistent bellying (41), bobbin case upper portion is equipped with supporting part (11), the supporting part is located the left end below of second bobbin case, the position that is located between supporting part and the first bobbin case on the second bobbin case is equipped with and exerts biasing part (5) of downward pressure to the second bobbin case.

2. The rotary hook of an embroidery machine convenient for adjusting the tension of a bobbin thread according to claim 1, wherein the pressing member comprises a screw (51), a first through hole (42) is formed in the second bobbin case at a position between the support portion and the first bobbin case, and the screw penetrates the first through hole and is threadedly engaged with the bobbin case.

3. The embroidery machine rotary shuttle convenient for adjusting the tension of the bobbin thread according to claim 1 or 2, wherein the first bobbin case is provided with a second through hole (21), the upper part of the bobbin case corresponding to the second through hole is provided with a limit block (12), the limit block penetrates through the second through hole, and the bobbin thread is drawn to the outside of the bobbin case by bypassing the limit block.

4. The rotating shuttle of an embroidery machine convenient for adjusting the tension of a bobbin thread according to claim 3, wherein the second bobbin case is provided with a third through hole (43) corresponding to the second through hole up and down, and the limit block penetrates through the third through hole.

5. The embroidery machine rotary shuttle convenient for adjusting the tension of the bobbin thread as claimed in claim 4, wherein the stopper is cylindrical, and the bobbin thread is drawn to the outside of the bobbin case around the circumference outer wall of the stopper.

6. The rotary shuttle of an embroidery machine convenient for adjusting the tension of a bobbin thread according to claim 1, wherein a notch (22) is formed at the right end of the first bobbin case, a limiting part (44) bent downwards is formed at the right end of the second bobbin case, and the limiting part is clamped in the notch.

7. The rotary hook of an embroidery machine for facilitating the adjustment of the tension of a lower thread according to claim 1, wherein the left end of the second bobbin case is fixedly coupled to the bobbin case by passing around the supporting portion.