CN211284826U

CN211284826U - Novel capacity-increasing rotating shuttle of flexible freight bag sewing machine

Info

Publication number: CN211284826U
Application number: CN201922024393.0U
Authority: CN
Inventors: 李新文
Original assignee: Nantong Jinsuo Precision Machinery Co ltd
Current assignee: Nantong Jinsuo Precision Machinery Co ltd
Priority date: 2019-11-21
Filing date: 2019-11-21
Publication date: 2020-08-18
Anticipated expiration: 2029-11-21

Abstract

The utility model discloses a novel increase capacity rotating shuttle of flexible container bag sewing machine, shuttle casing, dabber, bobbin skin and shuttle bed, the below of shuttle casing is provided with the guide rail, and installs the butterfly preforming in the middle of the surface of shuttle casing, the surface both sides of shuttle casing all are provided with the oil storage tank, piston and spring are installed respectively to the inside of dabber, pin and the assembly of lock core apron hand structure as an organic whole are passed through in the left side of piston, the interior circle central point at the shuttle casing is passed through the preforming screw mounting on the right side of dabber, the bobbin skin passes through bobbin skin fixed screw and bobbin skin adjusting screw and installs on one side excircle of shuttle casing, install bobbin skin braking shell fragment between dabber and the shuttle casing surface, the below of shuttle bed is through shuttle bed connecting screw and shuttle bed seat interconnect. The novel capacity-increased rotating shuttle of the flexible freight bag sewing machine is simple in structure, large in thread capacity, high in precision, low in failure rate, capable of supplying oil and sewing thick materials at high speed, and obviously improved in effect compared with the original rotating shuttle.

Description

Novel capacity-increasing rotating shuttle of flexible freight bag sewing machine

Technical Field

The utility model relates to a sewing machine accessory technical field specifically is a novel increase capacity rotating shuttle of flexible container sewing machine.

Background

The rotating shuttle is one of the main parts of the sewing machine, the original 132 (or 255) type rotating shuttle bobbin case is generally used on a heavy-duty sewing machine, the highest sewing speed is 800 needles/minute, the thread capacity is small, the bobbin is frequently replaced, thick thread sewing thick products are mainly used, an oil supply device is not used, the relative sewing speed is slow, and the fault rate of free sewing (manual irregular sewing with a raised presser foot) is high. In order to adapt to the continuous change and the demand of the market, the sewing speed of the sewing machine of the rotating shuttle is also gradually improved, but as the shuttle shell is tightly pressed by the shuttle shell and the guide rail ring through the elastic butterfly pressing sheet and the pressing sheet big screw, the butterfly pressing sheet is easy to fatigue, damage and thread blocking, the guide rail ring is easy to abrade and shift and other faults, particularly, the sewing speed is obviously improved after 1000 needles are sewed, the original shuttle core sleeve is inconvenient to maintain after being damaged, the recovery precision difficulty is large, the resource waste is large, and for the above conditions, technical innovation is carried out on the basis of the existing rotating shuttle core sleeve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel increase capacity rotating shuttle of flexible container bag sewing machine to solve the easy fatigue of current shuttle peg cover butterfly preforming that proposes among the above-mentioned background art, damage, card line, the easy wearing and tearing of guide rail circle are shifted the trouble, and especially the seam is fast to exceed 1000 needles later various fault rates and obviously improves, and original shuttle peg cover damages the after-maintenance inconvenient, and it is big to resume the precision degree of difficulty, the great problem of wasting of resources.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel increase capacity rotating shuttle of flexible container bag sewing machine, includes shuttle casing, dabber, bobbin skin and shuttle bed, the below of shuttle casing is provided with the guide rail, and installs the butterfly preforming in the middle of the surface of shuttle casing, the surface of shuttle casing is provided with the oil storage tank, piston and spring are installed respectively to the inside of dabber, and the spring is located the right side of piston, the left side of piston is through pin and the assembly structure as an organic whole of lock core cover plate hand, the interior circle central point at the shuttle casing is passed through the preforming screw mounting in the right side of dabber, the bobbin skin is installed on one side excircle of shuttle casing through bobbin skin fixed screw and bobbin skin adjusting screw, install bobbin skin braking shell fragment between dabber and the shuttle casing surface, the below of shuttle bed is through shuttle bed connecting screw and shuttle bed seat interconnect.

Preferably, the shuttle housing and the guide rail are integrally formed into an integral structure.

Preferably, the oil storage tank is of an arc-shaped structure, and an oil storage felt is arranged in the oil storage tank.

Preferably, the spindle at the central part of the inner circle of the shuttle shell is a fixed direction installation and is a detachable structure.

Preferably, the piston, the lock cylinder cover wrench, the pin and the spring are assembled into an integrated structure, and the piston, the lock cylinder cover wrench, the pin and the spring are locked with the shuttle shell through butterfly pressing plates and pressing plate screws.

Preferably, the bobbin case braking elastic sheet is fixedly installed and is of a detachable structure.

Preferably, shuttle casing, guide rail, butterfly preforming, preforming screw, oil storage felt, dabber, piston, lock core lid wrench, pin, spring, bobbin case fixed screw, bobbin case adjusting screw and bobbin case, bobbin case braking shell fragment constitute the bobbin case subassembly jointly, and the inner circle that the bobbin was placed to bobbin case subassembly and guide rail excircle are eccentric structure, the place ahead is provided with the pinhole that falls in the bobbin case subassembly, and falls the pinhole and be four sides closed structure, the internal diameter that the bobbin was placed to bobbin case subassembly is 40 ± 2 mm.

Preferably, the lower side part of the hook thread tip of the shuttle race is of a full-opening structure.

Preferably, the shuttle race seat and the shuttle race connecting screw jointly form a shuttle race assembly, a guide rail groove is formed in the shuttle race, the opening of the shuttle race assembly is placed in the interior of the shuttle race towards the opening of the inward butterfly pressing sheet, and meanwhile, the guide rail of the shuttle race assembly is located in the guide rail groove of the shuttle race assembly.

Compared with the prior art, the beneficial effects of the utility model are that: the rotary shuttle has the advantages of simple structure, large thread capacity, high precision, low failure rate, capability of supplying oil, capability of sewing thick materials at high speed and obviously improved effect compared with the original rotary shuttle;

the shuttle shell and the guide rail are in an integrated structure, the guide rail is not required to be tightly pressed on the shuttle shell by a butterfly pressing sheet, the problem of wire clamping at a joint part is avoided, the faults caused by abrasion and relative movement between the guide rail and the shuttle shell are avoided, the precision and the strength of the shuttle core sleeve are improved, and the service life of the shuttle core sleeve is prolonged;

the inner circle of the shuttle peg sleeve assembly for placing the shuttle peg and the outer circle of the guide rail are of eccentric structures, a needle falling hole is arranged in front of the shuttle peg sleeve assembly and is of a four-side closed structure, the inner diameter of the shuttle peg sleeve assembly for placing the shuttle peg is 40 +/-2 mm, the thread clamping probability is high in the free sewing process, the phenomenon is completely avoided after the thread falling hole is closed, and the lower side part of the hook thread point of the shuttle race is of a full-open structure, so that the thread resistance of the hook thread is effectively reduced;

the inner circle for placing the bobbin and the outer circle of the guide rail are designed in an eccentric structure, so that the diameter of the inner circle of the bobbin shell is effectively increased under the condition that the use is not influenced, the diameter of the bobbin is increased, and the bobbin winding amount is increased; the integral machining and forming of the shuttle shell and the guide rail are free of separate assembly, the structure is simple, the precision is high, the damage is not prone to occurring, the failure rate is greatly reduced, oil storage self-lubricating is achieved, the high-speed operation is suitable, particularly, under the condition that the presser foot lifts up the free seam, the failure is obviously reduced, the speed is obviously improved, the shuttle bed connecting screw is installed in front of the shuttle bed, other parts of the sewing machine do not need to be detached when the shuttle bed is replaced, and the operation is convenient and fast.

Drawings

FIG. 1 is a schematic side view of the cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the structure of the present invention;

FIG. 3 is a schematic view of the structure of the bobbin case of the present invention;

FIG. 4 is a schematic view of the structure of the shuttle race of the present invention;

FIG. 5 is a schematic view of the structure of the position of the connection screw of the shuttle race of the present invention;

fig. 6 is a schematic structural view of the shuttle race assembly of the present invention;

fig. 7 is a schematic structural view of the bobbin case assembly of the present invention.

In the figure: 1. a shuttle housing; 101. a guide rail 2, butterfly pressing sheets; 3. a pressing screw; 4. an oil storage tank; 401. oil storage felt 5 and a mandrel; 6. a piston; 7. a lock cylinder cover wrench; 8. a pin; 9. a spring; 10. a bobbin case fixing screw; 11. a bobbin case adjusting screw; 12. a bobbin case; 13. a bobbin case brake spring; 14. a shuttle bed; 15. a shuttle bed seat; 16. the shuttle bed is connected with the screw.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution: a novel capacity-increasing rotating shuttle of a flexible freight bag sewing machine comprises a shuttle shell 1, a mandrel 5, a bobbin case 12 and a shuttle bed 14, wherein a guide rail 101 is arranged below the shuttle shell 1, a butterfly pressing sheet 2 is arranged in the middle of the surface of the shuttle shell 1, the shuttle shell 1 and the guide rail 101 are integrally processed and formed into an integral structure, the integral structure is adopted, the guide rail 101 is not required to be pressed on the shuttle shell 1 by the butterfly pressing sheet 2, the problem of line clamping at a joint part is avoided, the faults caused by abrasion and relative movement between the guide rail 101 and the shuttle shell 1 are avoided, the precision and the strength of a shuttle core sleeve are improved, and the service life of the shuttle core sleeve is prolonged;

the two sides of the surface of the shuttle shell 1 are provided with oil storage tanks 4, the oil storage tanks 4 are of arc structures, oil storage felts 401 are arranged in the oil storage tanks 4, the oil storage tanks 4 can be refueled in advance and can be lubricated in a self-lubricating mode during operation, the tail portion of the mandrel 5 and the shuttle shell 1 adopt non-circular matching surfaces so as to be convenient for fixing direction and locking, a shuttle core braking reed is pressed between the mandrel 5 and the plane of the shuttle shell 1, the upper left corner of the butterfly pressing sheet 2 is provided with a finger-shaped protrusion for covering a thread tying groove on the shuttle shell 1, the oil storage felts 401 are arranged in a waist groove on the plane of one side surface of the shuttle shell 1;

a piston 6 and a spring 9 are respectively arranged in a mandrel 5, the spring 9 is positioned on the right side of the piston 6, the mandrel 5 at the center part of the inner circle of the shuttle shell 1 is fixedly installed and is of a detachable structure, the left side of the piston 6 is assembled into an integrated structure with a lock cylinder cover wrench 7 through a pin 8, the piston 6, the lock cylinder cover wrench 7, the pin 8 and the spring 9 are assembled into an integrated structure, the piston 6, the lock cylinder cover wrench 7, the pin 8 and the spring 9 are locked with the shuttle shell 1 through a butterfly pressing sheet 2 and a pressing sheet screw 3, the right side of the mandrel 5 is installed at the center part of the inner circle of the shuttle shell 1 through the pressing sheet screw 3, a shuttle skin 12 is installed on the excircle of one side of the shuttle shell 1 through a shuttle skin fixing screw 10 and a shuttle skin adjusting screw 11, and a shuttle skin braking elastic sheet 13 is installed;

the bobbin case braking elastic sheet 13 is fixedly installed and is of a detachable structure, the bobbin case body 1, the guide rail 101, the butterfly pressing sheet 2, the pressing sheet screw 3, the oil storage felt 4, the mandrel 5, the piston 6, the lock cylinder cover wrench 7, the pin 8, the spring 9, the bobbin case fixing screw 10, the bobbin case adjusting screw 11, the bobbin case 12 and the bobbin case braking elastic sheet 13 jointly form a bobbin case assembly, the inner circle of the bobbin case assembly for placing the bobbin and the outer circle of the guide rail 101 are of eccentric structures, a needle dropping hole is formed in the upper front of the bobbin case assembly and is of a four-sided closed structure, the inner diameter of the bobbin case assembly for placing the bobbin is 40 +/-2 mm, the thread clamping probability is high in the free sewing process, and the phenomenon is completely avoided after the bobbin case assembly is closed;

the lower part of the shuttle race 14 is connected with the shuttle race seat 15 through a shuttle race connecting screw 16, the lower side part of a thread hooking tip of the shuttle race 14 is of a full-opening structure, so that the upper thread resistance of a hooked thread is effectively reduced, the shuttle race 14, the shuttle race seat 15 and the shuttle race connecting screw 16 jointly form a shuttle race assembly, a guide rail groove is formed in the shuttle race 14, an opening of the shuttle race assembly is inwards, the opening of the butterfly pressing piece 2 is outwards placed in the shuttle race 14, meanwhile, a guide rail 101 of the shuttle race assembly is positioned in the guide rail groove of the shuttle race assembly, the inner circle for placing the shuttle core and the outer circle of the guide rail 101 are designed to be of an eccentric structure, under the condition that the use is not influenced, the diameter of the inner circle of the shuttle shell 1 is effectively increased, the diameter of the shuttle core is increased, and the quantity of the wound thread of; the integral processing and forming of the shuttle shell 1 and the guide rail 101 are free of separate assembly, the structure is simple, the precision is high, the damage is not prone to occurring, the failure rate is greatly reduced, oil storage and self lubrication are achieved, the high-speed operation is suitable, particularly, under the condition that the presser foot is lifted up to form a free seam, the failure is obviously reduced, the speed is obviously improved, and the shuttle bed connecting screw 16 is arranged in front of the shuttle bed 14, so that other parts of the sewing machine do not need to be detached when the shuttle bed 14 is replaced, and the operation is convenient and fast.

The working principle is as follows: for the novel capacity-increased rotating shuttle of the flexible freight bag sewing machine, the integral structure of the whole rotating shuttle is firstly known, the integral structure of the shuttle shell 1 and the guide rail 101 does not need to press the guide rail 101 on the shuttle shell 1 by the butterfly pressing sheet 2, the problem of line clamping at the joint seam part is avoided, the faults caused by abrasion and relative movement between the guide rail 101 and the shuttle shell 1 are avoided, meanwhile, the precision and the strength of the shuttle core sleeve are also improved, the service life of the shuttle core sleeve is prolonged, the oil storage tank 4 is of an arc structure, the oil storage tank 4 is internally provided with the oil storage felt 401, the oil storage tank 4 can be pre-filled with oil and self-lubricated during operation, the tail part of the mandrel 5 and the shuttle shell 1 adopt a non-circular matching surface so as to fix direction and lock, a shuttle core braking reed is pressed between the plane of the mandrel 5 and the plane of the shuttle shell 1, the upper left corner of the butterfly pressing sheet, the oil storage felt 401 is arranged in a waist groove at the plane of one side surface of the shuttle shell 1 and is infiltrated through an oil hole communicated with the surface of the guide rail 101, the piston 6, the lock cylinder cover wrench 7, the pin 8 and the spring 9 are assembled into an integrated structure, the piston 6, the lock cylinder cover wrench 7, the pin 8 and the spring 9 are locked with the shuttle shell 1 through the butterfly pressing sheet 2 and the pressing sheet screw 3, and the shuttle brake elastic sheet 13 is fixedly arranged and is of a detachable structure;

the bobbin case comprises a bobbin case body 1, a guide rail 101, a butterfly pressing sheet 2, a pressing sheet screw 3, an oil storage felt 4, a mandrel 5, a piston 6, a lock core cover wrench 7, a pin 8, a spring 9, a bobbin case fixing screw 10, a bobbin case adjusting screw 11, a bobbin case 12 and a bobbin case braking elastic sheet 13 which jointly form a bobbin case assembly, an inner circle for placing the bobbin in the bobbin case assembly and an outer circle of the guide rail 101 are of eccentric structures, a needle dropping hole is formed in the front of the bobbin case assembly and is of a four-sided closed structure, the inner diameter of the bobbin case assembly for placing the bobbin is 40 +/-2 mm, the thread clamping probability is high in the free sewing process, the phenomenon is completely avoided after the bobbin case assembly is closed, and the lower side part of a thread hooking tip of a shuttle race 14 is of a full-open structure, so that the resistance of the hooked thread is effectively;

the shuttle race 14, the shuttle race seat 15 and the shuttle race connecting screw 16 jointly form a shuttle race assembly, the opening of the shuttle race sleeve assembly is inward, the opening of the butterfly pressing sheet 2 is outward arranged inside the shuttle race 14, meanwhile, the guide rail 101 of the shuttle race sleeve assembly is positioned inside the guide rail groove of the shuttle race assembly, the inner circle for placing the shuttle race and the outer circle of the guide rail 101 are designed to be of an eccentric structure, under the condition of not influencing the use, the diameter of the inner circle of the shuttle shell 1 is effectively increased, so that the diameter of the shuttle race is increased, and the winding amount of the shuttle race is increased; the integral processing and forming of the shuttle shell 1 and the guide rail 101 are free of separate assembly, the structure is simple, the precision is high, the damage is not prone to occurring, the failure rate is greatly reduced, oil storage and self lubrication are achieved, the high-speed operation is suitable, particularly, under the condition that the presser foot is lifted up to form a free seam, the failure is obviously reduced, the speed is obviously improved, and the shuttle bed connecting screw 16 is arranged in front of the shuttle bed 14, so that other parts of the sewing machine do not need to be detached when the shuttle bed 14 is replaced, and the operation is convenient and fast.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel increase capacity rotating shuttle of flexible container sewing machine, includes shuttle casing (1), dabber (5), bobbin case (12) and shuttle bed (14), its characterized in that: the lower part of shuttle casing (1) is provided with guide rail (101), and installs butterfly preforming (2) in the middle of the surface of shuttle casing (1), the surperficial both sides of shuttle casing (1) all are provided with oil storage tank (4), piston (6) and spring (9) are installed respectively to the inside of dabber (5), and spring (9) are located the right side of piston (6), the left side of piston (6) is through pin (8) and lock core lid wrench (7) assembly structure as an organic whole, the interior circle central part at shuttle casing (1) is installed through preforming screw (3) in the right side of dabber (5), install on one side excircle of shuttle casing (1) through bobbin skin fixed screw (10) and bobbin skin adjusting screw (11) bobbin skin braking shell fragment (13) between dabber (5) and shuttle casing (1) surface, the below of shuttle bed (14) is through shuttle bed connecting screw (16) and shuttle bed seat (15) interconnect.

2. The new enlarged capacity rotary hook of flexible freight bag sewing machine according to claim 1, characterized in that: the shuttle shell (1) and the guide rail (101) are of an integrated structure integrally processed and molded.

3. The new enlarged capacity rotary hook of flexible freight bag sewing machine according to claim 1, characterized in that: the oil storage tank (4) is of an arc-shaped structure, and an oil storage felt (401) is arranged inside the oil storage tank (4).

4. The new enlarged capacity rotary hook of flexible freight bag sewing machine according to claim 1, characterized in that: the spindle (5) at the center part of the inner circle of the shuttle shell (1) is installed in a fixed direction and is of a detachable structure.

5. The new enlarged capacity rotary hook of flexible freight bag sewing machine according to claim 1, characterized in that: the piston (6), the lock cylinder cover wrench (7), the pin (8) and the spring (9) are assembled into an integrated structure, and the piston (6), the lock cylinder cover wrench (7), the pin (8) and the spring (9) are locked with the shuttle shell (1) through the butterfly pressing piece (2) and the pressing piece screw (3).

6. The new enlarged capacity rotary hook of flexible freight bag sewing machine according to claim 1, characterized in that: the bobbin case brake elastic sheet (13) is fixedly installed and is of a detachable structure.

7. The new enlarged capacity rotary hook of flexible freight bag sewing machine according to claim 1, characterized in that: the shuttle shell (1), the guide rail (101), the butterfly pressing sheet (2), the pressing sheet screw (3), the oil storage felt (401), the mandrel (5), the piston (6), the lock core cover wrench (7), the pin (8), the spring (9), the bobbin case fixing screw (10), the bobbin case adjusting screw (11), the bobbin case (12) and the bobbin case braking elastic sheet (13) jointly form a shuttle core sleeve assembly, the inner circle of the shuttle core placed by the shuttle core sleeve assembly and the outer circle of the guide rail (101) are of an eccentric structure, a needle falling hole is formed in the front of the shuttle core sleeve assembly and is of a four-face closed structure, and the inner diameter of the shuttle core placed by the shuttle core sleeve assembly is 40 +/-2 mm.

8. The new enlarged capacity rotary hook of flexible freight bag sewing machine according to claim 1, characterized in that: the lower side part of the hook thread tip of the shuttle bed (14) is of a full-open structure.

9. The new enlarged capacity rotary hook of flexible freight bag sewing machine as claimed in claim 8, wherein: the shuttle race assembly is characterized in that the shuttle race (14), the shuttle race seat (15) and the shuttle race connecting screw (16) jointly form a shuttle race assembly, a guide rail groove is formed in the shuttle race (14), the opening of the shuttle core sleeve assembly faces the opening of the butterfly pressing sheet (2) and is placed in the shuttle race (14) outwards, and meanwhile the guide rail (101) of the shuttle core sleeve assembly is located in the guide rail groove of the shuttle race assembly.