CN212714044U - Hook line suspension rotating shuttle - Google Patents

Abstract

The application provides a collude line suspension rotating shuttle, concretely relates to sewing machine makes technical field, the inner chamber at suspension shuttle peg is placed to the line frame, the inner chamber at the rotating shuttle fixing base is placed to the suspension shuttle peg, there is the location setting between suspension shuttle peg and the rotating shuttle fixing base, the rotating shuttle fixing base is fixed, the front portion of rotating shuttle fixing base is provided with the antiskid baffle, the power supply is connected and is driven the crochet hook, the power supply sets up the lower part at the rotating shuttle fixing base, and a collude line suspension rotating shuttle of this application has and does not need the wearless high life advantage of lubricating oil wearless, need not match complicated change gear group, has improved sewing machine complete machine performance, has reduced sewing machine's cost, and a collude line suspension rotating shuttle of this application has to subvert traditional sewing machine design and makes thinking, has higher spreading value.

Description

Hook line suspension rotating shuttle

Technical Field

The application provides a collude line suspension rotating shuttle, and the collude line suspension rotating shuttle of this scheme is applied to various sewing equipment that use the rotating shuttle such as domestic sewing machine, industry flush joint machine, thick material machine, embroidery machine, roller car, concretely relates to sewing machine makes technical field.

Background

The sewing machine has been developed for two hundred years as a sewing machine of cloth, makes a great contribution to the development of the clothing industry of human society, and promotes the civilized development of human society. The rotating shuttle still keeps the original scheme and the implemented technical principle is still the same, in spite of the technical development history of the sewing machine. The rotating shuttle is used as a key part of sewing equipment, has higher requirements on production and manufacturing, has higher production cost, is very easy to damage in the using link, has higher failure rate and causes shorter using period. When sewing, the rotating shuttle is in high-speed operation, lubricating grease is needed to be added to the rotating shuttle body and the high-speed operation part of the rotating shaft, in addition, the rotating shuttle in high-speed operation needs to be supported by a mechanical transmission system of the sewing machine, a complex speed change gear set needs to be matched, and the manufacturing cost of the sewing machine is artificially increased. The rotating shuttle and the rotating shaft thereof need to be lubricated to cause pollution to sewing threads and cloth, thereby reducing the sewing quality; the high-speed operation of the rotating shuttle restricts the development of intelligent automation, oil-free and light weight of the sewing equipment.

SUMMERY OF THE UTILITY MODEL

Aiming at the technical defects of the rotating shuttle of the existing sewing equipment, the application breaks through the design concept of the conventional sewing machine so as to achieve and produce the hook thread suspension rotating shuttle without contact friction and oil lubrication, and has the advantages of convenient application and long service life.

The utility model provides a needle area is gone up the line and is passed and continue down after the cloth, and until the needle reachs the outside of separated time boss, the power supply drives the crochet hook through the crochet hook frame and begins the operation, and the crochet hook colludes the rotation of going up the line of crochet hook department of getting the needle to make the line of going up round suspension shuttle peg a week through the separated time boss of suspension shuttle peg, and the cover is got the line and the needle continues to go up simultaneously, takes the line of going up to do the line work and accomplish once and make up work.

The thread frame is wound with a lower thread, the thread frame is arranged in the inner cavity of the suspended prismatic core, the lower thread head is led out of the suspended prismatic core through the suspended bobbin lead hole groove, the upper thread is driven to fully wrap around the suspended prismatic core through the rotation of the crochet hook, and the upper thread sleeve is tightened to take the lower thread and drive the lower thread to be knotted and sewn with the cloth.

Further, the rotating shuttle fixing seat is indirectly/directly fixed on a base plate of the sewing machine head. The suspension shuttle peg is provided with a positioning device and a sliding line gap between the suspension shuttle peg and the rotating shuttle fixing seat, the suspension shuttle peg is provided with a thread dividing boss, a sliding line inclined plane and a sliding line plane, the rotating shuttle fixing seat is provided with an inner arc surface and the sliding line inclined plane which are opposite to each other, and the sliding line plane and the anti-slip baffle are opposite to each other and provided with the sliding line gap.

Further, the anti-slip-out baffle abuts against the upper part of the suspended bobbin and/or the thread stand.

Furthermore, the positioning arrangement is that the positioning lug of the suspension shuttle peg is abutted against the positioning groove of the rotating shuttle fixing seat, and the positioning lug is positioned in the positioning groove to ensure that the suspension shuttle peg and the rotating shuttle fixing seat have positioning limitation, so that the suspension shuttle peg is more stable after being placed.

Further, the front end of the needle point of the needle is provided with a needle plate hole at the suspension shuttle core. The hook needle, the rotating shuttle fixing seat and the suspended shuttle peg are in non-contact cooperation. The crochet hook runs along with the power source outside the circumference of the thread separating lug boss of the suspension shuttle peg. The power source is arranged below the rotating shuttle fixing seat and operates in a reciprocating mode in a certain rotating angle.

Compared with the prior art, the beneficial effects of this application are: this application suspension shuttle peg configuration is at fixed rotating shuttle fixing base inner chamber, and the power supply drives the crochet hook and drives this process contactless friction of bottom line play line again for the operation of the crochet hook suspension rotating shuttle of this application need not realize the work of making up with high-speed operation with prior art is the same, has realized the static work of this application crochet hook suspension rotating shuttle, also makes the sewing equipment of the crochet hook suspension rotating shuttle of this application have better mechanical transmission efficiency more. The utility model provides a collude line suspension rotating shuttle has and does not need lubricating oil contactless not wearing and tearing high life advantage, need not match complicated change gear group, has improved sewing machine complete machine performance, has reduced sewing machine's cost, colludes line suspension rotating shuttle of this application has and overturns traditional sewing machine design and manufacturing thinking, has higher spreading value.

Drawings

Fig. 1 is a schematic structural view of a hook suspension rotary hook according to the present application;

FIG. 2 is an enlarged view of a hook suspending rotary shuttle needle plate and a hook needle according to the present application;

FIG. 3 is an internal view of a hook levitation shuttle of the present application;

FIG. 4 is an exploded view of the rotating shuttle fixing seat, the floating bobbin and the bobbin holder of the thread hooking floating rotating shuttle according to the present application;

FIG. 5 is a schematic view of an initial hook state of a hook levitation shuttle of the present application;

FIG. 6 is a schematic view of the present application showing a thread off state of a hook-type floating rotary hook;

FIG. 7 is a schematic view of a first stitch point of a hook levitation shuttle of the present application.

Reference numerals:

the thread take-up device comprises a sewing machine head 1, a machine needle 2, a thread take-up position 21, a rotating shuttle fixing seat 3, an anti-slip baffle 31, a positioning groove 32, an inner arc surface 33, a thread take-up needle 5, a thread stand 6, a suspended shuttle peg 7, a positioning lug 71, a thread separation lug 72, a thread sliding inclined plane 73, a thread sliding plane 74, a thread sliding inclined plane 73, a needle plate 8, a needle plate hole 81, a power source 9, an upper thread 1a, a lower thread 1d and a thread take-off position 1 c.

Detailed Description

The following detailed description of the preferred embodiments of the present application, taken in conjunction with the accompanying drawings, is provided to enable those skilled in the art to more readily understand the advantages and features of the present application, and is intended to more clearly and distinctly define the scope of the invention, which is set forth by way of illustration only and is not intended to be limiting of the invention.

With reference to fig. 1, 2, 3 and 4, the thread-hooking suspension rotating shuttle of the present application has a power source 9, a rotating shuttle fixing seat 3, a suspension bobbin 7, a needle 2, a thread stand 6 and a hooking needle 5. The rotating shuttle fixing seat 3 is fixed, namely the rotating shuttle fixing seat 3 is fixed on sewing equipment, the rotating shuttle fixing seat 3 is static in the sewing process, and in the implementation, the rotating shuttle fixing seat 3 is indirectly or directly fixed on a base plate (base) of the sewing machine head 1.

The power source 9 is connected to the hook needle 5, or a connector is provided between the hook needle 5 and the power source 9 as another embodiment, so that the hook needle 5 and the power source 9 are fixedly connected.

The hook needle 5 receives the power of a power source 9, and the power source 9 is arranged below the rotating shuttle fixing seat 3. The rotating shuttle fixing seat 3 and the suspension bobbin 7 are perpendicular to the needle 2 to adapt to the upward arrangement of the rotating shuttle fixing seat 3. The specific power source 9 is arranged below the rotating shuttle fixing seat 3, and the power source 9 reciprocates in a certain corner to drive the crochet hook 5 to rotate, so that the fixing mode of the rotating shuttle fixing seat 3 is flexible and corresponding to the power source 9, and the power source 9 is not required to be arranged below the rotating shuttle fixing seat 3, and the protection scope of the application is provided.

The power source 9 of the present application may be powered by an electromagnetic pneumatic power device or the like, and the power source 9 is preferably a shaft rotation power source.

The rotating shuttle fixing seat 3 has an anti-slipping-out baffle 31, the rotating shuttle fixing seat 3 has an anti-slipping-out front baffle 31, and the anti-slipping-out front baffle 31 may or may not be provided according to the use condition of the bobbin holder 6 when being mounted on the rotating shuttle fixing seat 3, and the embodiment is described by taking the anti-slipping-out front baffle 31 as an example, and specifically: the anti-slip baffle 31 is fixed on the rotating shuttle fixing seat 3. The anti-slipping-out baffle 31 is arranged on the rotating shuttle fixing seat 3 in a cover plate mode, and the anti-slipping-out baffle 31 is abutted against the upper part of the suspended shuttle peg 7 and/or the thread stand 6 (the upper part of one side of the suspended shuttle peg and the thread stand 6 close to the anti-slipping-out baffle 31) in the sewing process and is used for positioning the suspended shuttle peg and the thread stand. Here, the connection mode of the rotating shuttle fixing seat 3 and the anti-slip baffle 31 in the present application may also be positioning connection, and the anti-slip baffle 31 can be opened and closed by pushing the rotating shuttle fixing seat to the side with a hand.

The inner cavity of the rotating shuttle fixing seat 3 is provided with a suspended bobbin 7 and a thread stand 6: the thread stand 6 is arranged in the inner cavity of the suspension shuttle peg 7, the suspension shuttle peg 7 is arranged in the inner cavity of the rotating shuttle fixing seat 3, and the suspension shuttle peg 7 and the rotating shuttle fixing seat 3 are positioned. The suspended bobbin 7 is provided with a thread dividing boss 72, a sliding thread inclined plane 73 and a sliding thread plane 74 (in fig. 2 and fig. 3), the sliding thread inclined plane 73 and the sliding thread plane 74 are positioned at two sides of the thread dividing boss 72, the sliding thread inclined plane 73 of the suspended bobbin 7 faces to an inner arc surface 33 of the rotating shuttle fixing seat 3, the inner arc surface 33 and the sliding thread inclined plane 73 are opposite to each other to form a sliding thread gap, the sliding thread plane 74 and the anti-slip baffle 31 are opposite to each other to form a sliding thread gap, the thread dividing boss 72 is used for dividing the sliding thread, a sewing thread is driven by the hook needle 5 to slide through the sliding thread inclined plane 73, a second sewing thread slides through the sliding thread plane 74, and the hook needle 5 rotates along with power input outside the circumference of the thread dividing boss 72 of the suspended bobbin 7. Because the thread sliding gap is formed between the suspension shuttle peg 7 and the rotating shuttle fixing seat 3, the sewing thread can conveniently bypass the thread sliding from the thread separating lug boss 72.

There is the location setting between above-mentioned suspension cop latch 7 and rotating shuttle fixing base 3, specifically is: the suspension bobbin 7 is further provided with a positioning bump 71 (shown in fig. 4), the rotating shuttle fixing seat 3 is further provided with a positioning groove 32, when the suspension bobbin 7 is placed in the inner cavity of the rotating shuttle fixing seat 3, the positioning bump 71 of the suspension bobbin 7 is positioned in the positioning groove 32 of the rotating shuttle fixing seat 3, the effect that the suspension bobbin 7 is positioned on the rotating shuttle fixing seat 3 is achieved, the placing position of the suspension bobbin 7 is ensured, the suspension bobbin 7 is ensured to have a fixed position when the bobbin carriage 6 is led out, and a free sliding line gap is formed between the suspension bobbin 7 and the rotating shuttle fixing seat 3. The needle plate 2 operates on the needle plate hole 81 of the needle plate 8, the needle plate 8 is perpendicular to the needle plate 2, the needle plate 8 is positioned above the crochet hook 5, and the crochet hook 5 is right opposite to the crochet hook 21.

The needle 2 runs in a needle plate 8, the needle 2 working outside the suspended bobbin 7. After the thread stand 6 is arranged in the inner cavity of the suspended shuttle peg 7, the suspended shuttle peg 7 and the thread stand 6 are placed in the inner cavity of the rotating shuttle fixing seat 3 from the upper part of the rotating shuttle fixing seat 3, the anti-slip baffle 31 is covered, and the anti-slip baffle 31 is abutted against the suspended shuttle peg 7 and/or the thread stand 6 to play a role in limiting the thread stand 6.

The suspended shuttle peg 7 and the thread stand 6 placed in the inner cavity of the rotating shuttle fixing seat 3 realize the non-contact abrasion sewing of the thread hooking suspended rotating shuttle. The rotating shuttle fixing seat 3 of this application is different on the operation mode for prior art's rotating shuttle, and the rotating shuttle fixing seat 3 of this application does not rely on power supply 9 to drive and makes up work, and rotating shuttle fixing seat 3 need not install the mechanical variable speed that improves the functioning speed additional, and rotating shuttle fixing seat 3 is static motionless during making up, and the power supply 9 of this application implements reciprocal operation in certain corner and drives crochet hook 5 and relevant part realization and makes up work.

At the end of sewing, the anti-slip-out flap 31 is still in the closed position, i.e. the anti-slip-out flap 31 abuts against the thread-sliding plane 74 of the floating bobbin 7. When the thread stand 6 which has used up the sewing thread is taken out, the anti-slip baffle 31 is pushed open, and the suspended bobbin core 7 and the thread stand 6 can be taken out from the rotating shuttle fixing seat 3.

Referring to fig. 5, fig. 6 and fig. 7 in combination with other drawings, the crochet hook 5 of the present application is arranged outside the rotating shuttle fixing seat 3, and the crochet hook 5 hooks the upper thread on the crochet hook 21 of the outside machine needle 2 under the driving of the power source 9. The crochet hook 5 is connected with a power source 9, the power source 9 carries out reciprocating operation in a certain corner, the power source 9 is arranged below the rotating shuttle fixing seat 3, the operation direction is determined by the power source 9, so that the crochet hook 5 generates a corresponding crochet hook movement track and coordinates with the machine needle 2 to play a role in sewing the crochet hook.

The crochet hook 5 sews and hooks the upper thread 1a of the machine needle 2 under the driving of the power source 9, the pulling force of the crochet hook 5 to the upper thread 1a drives the thread stand 6 output thread source of the suspension shuttle peg 7, and the crochet hook 5, the rotating shuttle fixing seat 3 and the suspension shuttle peg 7 are in non-contact matching work. Because the power source 9 adopts the reciprocating operation in the corner, the bearded needle 5 and the rotating shuttle fixing seat 3 suspend the shuttle core 7 without contact friction, and the requirement of the prior sewing machine technology for the high-speed operation of the rotating shuttle is overcome.

In fig. 5, fig. 6 and fig. 7, a hook suspension rotary shuttle according to the present application passes through a cloth with an upper thread 1a when a needle 2 reaches a needle positioning hole 711 of a suspension bobbin 7, a power input source drives the hook 5 at a thread hooking position 21 and hooks the upper thread 1a, the hooked upper thread 1a is divided into a front thread and a rear thread by a thread dividing boss 72 of the suspension bobbin 7, and the hook 5 continuously rotates to more than 180 degrees to reach a thread releasing position 1c to start thread releasing. Meanwhile, the needle 2 pulls the upper thread 1a to continue to take up, tightens the upper thread 1a wound on the suspended bobbin 7 and sleeves the lower thread 1d to finish sewing.

The above description is only a preferred embodiment of the present application, and not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings of the present application, or which are directly or indirectly applied to other related technical fields, are also included in the scope of the present application.

Claims (10)

1. The utility model provides a collude line suspension rotating shuttle, includes line frame (6), crochet hook (5), eedle (2) and power supply (9), its characterized in that, the inner chamber at suspension shuttle peg (7) is placed in line frame (6), the inner chamber at rotating shuttle fixing base (3) is placed in suspension shuttle peg (7) and line frame (6), rotating shuttle fixing base (3) are fixed, power supply (9) are connected and are driven crochet hook (5), power supply (9) set up the below at rotating shuttle fixing base (3).

2. The thread-hooking suspension rotating shuttle according to claim 1 is characterized in that the rotating shuttle fixing seat (3) is indirectly/directly fixed on a base plate of the sewing machine head (1), and an anti-slipping baffle (31) is arranged at the upper part of the rotating shuttle fixing seat (3).

3. A hook-and-loop suspension rotary hook according to claim 2, characterized in that said anti-slipping-out stop (31) rests on the upper part of the suspension bobbin (7) and/or thread stand (6).

4. A thread-hooking suspension rotary shuttle according to claim 1 characterized in that there is a positioning arrangement between the suspension bobbin (7) and the rotary shuttle fixing seat (3).

5. A thread-hooking suspension rotary shuttle according to claim 1 or 4, characterized in that the suspension shuttle core (7) is provided with a thread-dividing boss (72), a thread-sliding inclined surface (73) and a thread-sliding plane (74), the rotary shuttle fixing seat (3) is provided with an inner arc surface (33) which is opposite to the thread-sliding inclined surface (73) and has a thread-sliding clearance, and the thread-sliding plane (74) is opposite to the anti-slipping baffle (31) and has a thread-sliding clearance.

6. A thread-hooking suspension rotary shuttle according to claim 4 characterized in that said positioning means is that the positioning lug (71) of the suspension bobbin (7) abuts against the positioning groove (32) of the rotary shuttle fixing seat (3).

7. A hook suspending rotary shuttle according to claim 5 wherein the needle (2) is operating in a needle plate hole (81) of the needle plate (8), the needle plate (8) is perpendicular to the needle (2), the needle plate (8) is above the hook (5), the hook (5) is right opposite to the hook (21), the needle (2) is operating in the needle plate (8), and the needle (2) is perpendicular to the rotary shuttle fixing seat (3).

8. The thread-hooking suspension rotary shuttle according to claim 1 is characterized in that the hook needle (5) is in non-contact cooperation with the rotary shuttle fixing seat (3) and the suspension shuttle peg (7), and the hook needle (5) runs along with power input outside the circumference of a thread-dividing lug boss (72) arranged on the suspension shuttle peg (7).

9. The thread-hooking suspension rotary shuttle according to claim 1 is characterized in that the power source (9) is arranged at the lower part of the rotary shuttle fixing seat (3), and the power source (9) operates in a reciprocating way within a certain rotation angle.

10. The thread-hooking levitation rotary shuttle as claimed in claim 1, wherein the power source (9) is a shaft rotation power source.

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