CN202925285U

CN202925285U - Industrial-electronic lockstitch-sewing thread cutter structure

Info

Publication number: CN202925285U
Application number: CN 201220620250
Authority: CN
Inventors: 余联忠; 方升华
Original assignee: Hikari Shanghai Precise Machinery Science & Technology Co Ltd
Current assignee: Hikari Shanghai Precise Machinery Science & Technology Co Ltd
Priority date: 2012-11-21
Filing date: 2012-11-21
Publication date: 2013-05-08
Anticipated expiration: 2022-11-21

Abstract

The utility model discloses an industrial-electronic lockstitch-sewing thread cutter structure, which comprises a shuttle race (1), wherein a shutter container (2) is arranged in the shuttle race (1); a circular moving cutter (3) is arranged at a corresponding position on the shuttle container (2); a spherical cut (4) is formed on the circular moving cutter (3); a fixed cutter (5) is arranged at a corresponding position of the spherical cut (4); and the industrial-electronic lockstitch-sewing thread cutter structure is characterized in that a thread guide steam (6) is arranged at one side, close to a thread splitting port (302), of a thread guide slot (301) of the circular moving cutter (3). According to the thread cutter structure of the computer-controlled lockstitch-sewing machine provided by the utility model, the coarse threads can be guided to the spherical cut more smoothly without slipping off the two sides of the spherical cut. Meanwhile, the distance from the center of the spherical cut to the center of a guide thread is shortened, so that the coarse threads can be completely cut off on the spherical cut without blocking and damaging other thread-cutting components.

Description

A kind of industrial electronic flush joint tangential knife structure

Technical field

The utility model relate to industrial sewing machine neck or, relate in particular to a kind of industrial electronic flush joint tangential knife structure.

Background is held art

electromechanical integration development along with industrial sewing machine, the modern industry Sewing machines is generally all with automatic tangent apparatus, the automatic tangent flat seam machine is divided into two class line cutting structures, the one flat cutter line cutting structure of class, flat cutter line cutting structure cutting knife is to be parallel to needle plate to be placed on rotating shuttle, maintenance bothers with cleaning cloth hair, another kind of is dise knife cutting machine structure, the blade of dise knife line cutting structure is arc, cutting knife carries out tangent line around rotary shuttle shaft at the rotating shuttle cylindrical, this cutting knife due to the arc cutting blade during except tangent line dise knife just can surpass the rotating shuttle upper semi-circle, remainder is all below sewing machine needle board, other moving knife is that the side semicircle position that is parked in the axle center makes it not deposit cloth hair and dust, simultaneously, this dise knife line cutting structure maintenance and debugging side are more, cloth hair and dust can not be deposited on moving knife.

although the dise knife line cutting structure is widely used by modern computer tangent line flat seam machine, but as shown in Figure 1, traditional line cutting structure is at first because the right of dise knife yarn guide channel does not have a wire ridge parallel with yarn guide channel, large because of the large resistance of thick line diameter when cutting thick line, thick line easily runs toward the right, therefore thick line could not be led on the sphere edge of a knife of tangent line and be can't cut, secondly, the distance at yarn guide channel and sphere edge of a knife center is longer, thick line is not difficult for cutting off thick line fully yet on the sphere edge of a knife, the 3rd, the right separated time hooks branching port slope is also inadequate, resistance is difficult for greatly entering the separated time hook when separated time enters, cause the dise knife line cutting structure easily to can't cut when cutting crin or stuck, thick line can't cut that resistance is excessive to be caused relevant tangent line damage of components and fracture.

The utility model content

Technical barrier to be solved in the utility model is that existing computer flat sewing machine dise knife line cutting structure is cut the difficult cut-out of thick line and stuck problem, computer flat sewing machine tangential knife structure provided by the utility model, can allow thick line be directed at more smoothly on sphere cutting knife mouth and be difficult for skidding off both sides, simultaneously the Distance Shortened at sphere edge of a knife center to wire center, guarantee that thick line all cuts off fully on the sphere edge of a knife, do not occur stuck and other tangent line parts of damage.

Technical scheme

In order to solve above-mentioned technical barrier, a kind of industrial electronic flush joint tangential knife structure of the utility model design, it comprises shuttle race, the shuttle courage is housed in shuttle race, on the shuttle courage, correspondence position is equipped with round moving knife, have the sphere edge of a knife on the circle moving knife, sphere edge of a knife correspondence position is equipped with stationary knife, it is characterized in that: the yarn guide channel of described round moving knife is provided with the wire stalk near branching port one side.

Described branching port angle gradient is 35～45 °.

Described wire stalk is longer than yarn guide channel.

Described wire groove width 1～10mm.

Beneficial effect

Computer flat sewing machine tangential knife structure provided by the utility model, can allow thick line be directed at more smoothly on sphere cutting knife mouth and be difficult for skidding off both sides, simultaneously the Distance Shortened at sphere edge of a knife center to wire center, guarantee that thick line all cuts off fully on the sphere edge of a knife, do not occur stuck and other tangent line parts of damage.

Description of drawings

Accompanying drawing 1 is existing dise knife line cutting structure schematic diagram.

Accompanying drawing 2 is structural representations of the present utility model.

Structural representation when accompanying drawing 3 is the utility model work.

The specific embodiment

Below in conjunction with drawings and Examples, the utility model is described further.

As shown in Figure 2, a kind of industrial electronic flush joint tangential knife structure, it comprises shuttle race 1, shuttle courage 2 is housed in shuttle race 1, on shuttle courage 2, correspondence position is equipped with round moving knife 3, has the sphere edge of a knife 4 on circle moving knife 3, and the sphere edge of a knife 4 correspondence positions are equipped with stationary knife 5, wherein, the yarn guide channel 301 of described round moving knife 3 is provided with wire stalk 6 near branching port 302 1 sides.

Described branching port 302 angle gradients are 35～45 °.

Described wire stalk 6 is longer than yarn guide channel 301.

Wide 1～the 10mm of described yarn guide channel 301.

as shown in Figure 3, circle moving knife 3 thread cutting action clockwise, moving knife begins to move in the direction of the clock when sewing machine needle leaves needle plate, suture just ditch advances shuttle race 1 and walks around the shuttle dawn 2, suture is walked around the shuttle dawn 2 and is entered from the shuttle dawn circular arc of radius minimum and magnify suture ovalize when spending to diameter maximum 180, this moment circle moving knife 3 is rotated further that to enter the suture elliptical line suitable for reading, the tip of round moving knife three-point line mouth 302 passes suture elliptical line mouth inboard and tells upper thread 7 in branching port 302 simultaneously, meanwhile the tip of branching port 302 line that passes the suture elliptical line mouth outside is by in the yarn guide channel 301 minute to the wire ridge 6, suture 8 is led the precession cutter sphere edge of a knife 4 through yarn guide channel 301 and is coordinated the cut-out line with stationary knife 5.

Industrial electronic flush joint tangential knife structure provided by the utility model, can allow thick line be directed at more smoothly on sphere cutting knife mouth and be difficult for skidding off both sides, simultaneously the Distance Shortened at sphere edge of a knife center to wire center, guarantee that thick line all cuts off fully on the sphere edge of a knife, do not occur stuck and other tangent line parts of damage.

Claims

1. industrial electronic flush joint tangential knife structure, it comprises shuttle race (1), shuttle courage (2) is housed in shuttle race (1), the upper correspondence position of shuttle courage (2) is equipped with round moving knife (3), have the sphere edge of a knife (4) on circle moving knife (3), the sphere edge of a knife (4) correspondence position is equipped with stationary knife (5), it is characterized in that: the yarn guide channel (301) of described round moving knife (3) is provided with wire stalk (6) near branching port (302) one sides.

2. a kind of industrial electronic flush joint tangential knife structure as claimed in claim 1, it is characterized in that: described branching port (302) angle gradient is 35～45 °.

3. a kind of industrial electronic flush joint tangential knife structure as claimed in claim 1 is characterized in that: described wire stalk (6) is longer than yarn guide channel.

4. a kind of industrial electronic flush joint tangential knife structure as claimed in claim 1, is characterized in that: the wide 1～10mm of described yarn guide channel (301).