CN210314772U - Automatic line hooking mechanism for date beating vehicle - Google Patents

Abstract

The utility model discloses an automatic thread hooking mechanism for a date sewing machine, which comprises a machine head, wherein a machine needle is arranged on the machine head, one side of the machine head is provided with a mounting frame, a hook knife inclined to the lower part of a machine needle lifting position and a thread hooking cylinder for driving the hook knife to extend out and hook a needle thread below the machine needle lifting position are arranged on the mounting frame, an air suction pipe for sucking the thread end of the hooked needle thread into the air suction pipe is arranged below the hook knife on the mounting frame, after the machine needle is lifted, the hook knife is driven by the thread hooking cylinder to extend out and hook the thread end part below the machine needle, the thread end part is hooked back when the hook knife retracts, the thread end below the hook knife is sucked into the air suction pipe through an external air suction device, so that the needle thread below the machine needle and the thread end are orderly and move to one side, the thread end can be prevented from being pressed by a presser foot, and the needle thread prevented from being tightened and broken, avoiding the thread ends from being sewn between the sewing threads.

Description

Automatic line hooking mechanism for date beating vehicle

[ technical field ] A method for producing a semiconductor device

The utility model relates to a clothing machinery especially relates to an automatic mechanism of colluding line for getting on date car.

[ background of the invention ]

In the clothing industry, including women's brassiere production manufacturing process, beat the jujube and be indispensable the sewing link of lack, and beat the jujube car and make the process very fast, if make the process go wrong like: the broken needle and the broken thread can not be stopped immediately, which directly leads to the broken needle in the process of high-speed sewing, and the small section of the needle tip and the broken needle bar is broken into nitre and splashed all around. Some broken needle bars fly to a nearby sewing machine and a manufactured bra, some broken needle bars fly to the ground, even some broken needle bars fly to clothes of a sewing worker, the needle is difficult to find, and sometimes, a plurality of people are required to find needle points and other fragmentary parts of the broken needles in a large area for a long time. The customer requirements of the company require that all the fragmentary parts of broken needles must be searched and recorded in the first time after the needles are broken in the sewing process, if the fragmentary parts of all the broken needles are not searched, a strict needle detection program must be performed before packaging, and the customer requirements on the aspect are particularly strict.

Since the broken needle and its broken parts will splash when broken, and the worker usually looks at the needle to work, the worker usually has to wear a protective tool to protect the face, especially the eyes.

Generally, after the needle thread is cut off, the thread end part is randomly positioned below the needle, when the presser foot is pressed down, the thread end is pressed down by the presser foot with a high probability, so that the needle thread is tightened, and when the needle starts to work, the needle is easily broken. In the existing jujube picking vehicle, a thread end is usually pulled to one side after a needle is lifted by arranging a pulling rod, and the thread end is tried to be pulled to one side. In this way, the probability of pressing the thread by the presser foot is greatly reduced, but the thread end can automatically fall back under the action of the dead weight, so that the presser foot always presses the thread end.

In addition, the thread end of the date beating vehicle with or without the deflector rod is in a random state, the thread end is often in a sewing area and sewn between sewing threads during sewing, and after the sewing is finished, the thread end is usually required to be picked out from the sewing threads and then cut off, so that the thread end is troublesome to process.

The utility model discloses be exactly for avoiding the broken needle of eedle that the line ball leads to and avoid the stitch to be sewed up and increase the work of picking up the line and make between the sewing line.

[ Utility model ] content

The utility model aims at overcoming the not enough of prior art, providing an automatic mechanism of colluding line for getting rid of jujube car has simple structure, can avoid the eedle broken needle that the line ball leads to and avoid the thread end to sew up the characteristics between the sewing line.

The utility model discloses a realize through following technical scheme:

the utility model relates to an automatic mechanism of colluding line for beating jujube car, its characterized in that: the automatic sewing machine comprises a machine head 1, a machine needle is arranged on the machine head 1, a mounting frame 6 is arranged on one side of the machine head 1, a hooking knife 9 below the lifting position of the oblique machine needle is arranged on the mounting frame 6, a line hooking cylinder 10 for driving the hooking knife 9 to extend to hook a needle line below the lifting position of the machine needle is arranged, and an air suction pipe 11 used for sucking the line head of the hooked needle line into the mounting frame 6 is arranged below the hooking knife 9.

As above an automatic mechanism of colluding for getting jujube car, its characterized in that: an elastic sheet 4 is arranged above the hooking knife 9 on the mounting frame 6, and the elastic sheet 4 is used for clamping the needle and the line hooked back by the hooking knife 9 between the hooking knife 9 and the elastic sheet 4.

As above an automatic mechanism of colluding for getting jujube car, its characterized in that: the cross section of one end of the air suction pipe 11 close to the hooking knife 9 is of a U-shaped structure, the U-shaped opening of the air suction pipe and the elastic sheet 4 are matched to form a tubular structure in a surrounding mode, and the hooking knife 9 is surrounded on the inner side.

As above an automatic mechanism of colluding for getting jujube car, its characterized in that: the end of the spring plate 4 is provided with a concave V-shaped opening 41 for guiding the hooked needle thread.

As above an automatic mechanism of colluding for getting jujube car, its characterized in that: the head of the hook knife 9 is provided with an acute angle inclined plane convenient for guiding the hook line.

As above an automatic mechanism of colluding for getting jujube car, its characterized in that: the hooking knife 9 is provided with a connecting plate 90 for connecting with the wire hooking cylinder 10, and the mounting rack 6 is provided with a slide rail 12 for supporting the connecting plate 90 and allowing the connecting plate 90 to slide thereon.

As above an automatic mechanism of colluding line for getting jujube car, its characterized in that: the thread hooking cylinder 10 is replaced by an electromagnet.

Compared with the prior art, the utility model discloses there is following advantage:

1. the utility model has the advantages that the mounting frame 6 is arranged at one side of the machine head, the hooking knife 9, the hooking cylinder 10, the elastic sheet 4 and the air suction pipe 11 are arranged at the mounting frame 6, the sewing is completed, after the machine needle is lifted, the hooking knife 9 is driven by the hooking cylinder 10 to extend out and hook the thread head part below the machine needle, the thread head part is hooked back when the hooking knife 9 retracts, wherein the part of the needle thread above the hooking knife 9 is clamped between the elastic sheet 4 and the hooking knife 9, the elastic sheet has elasticity, when the elastic sheet 4 and the hooking knife 9 are matched, the elastic clamping to the needle thread is satisfied by the smaller elasticity, the free movement of the needle thread is limited by the elasticity, the thread head below the hooking knife 9 can be freely taken out when the machine needle is sewn, the thread head below the machine needle is sucked into the air suction pipe 11 connected with external air suction equipment, the needle thread and the thread head below the machine needle are enabled to move to one side in order, the press foot can be, the machine needle is prevented from being broken by the tightened needle thread, the thread end in one direction can be ensured to be smoothly pulled out from the elastic sheet 4 and the hook knife 9, the thread end is discharged outside a sewing area, the thread end is prevented from being sewn between sewing threads, and after the sewing is finished, the thread end is always exposed outside, so that the direct cutting is facilitated, the time is saved, and the production efficiency is improved.

2. The utility model discloses the cross section that breathing pipe 11 is close to the one end of colluding sword 9 is U type structure, and its U-shaped mouth cooperates with shell fragment 4 and encloses into tubular structure and will collude sword 9 and enclose in the inboard for when colluding sword 9 and colluding the needle thread back, the end of a thread below colluding sword 9 is arranged in breathing pipe 11 and the tubular structure that shell fragment 4 encloses with the part, is convenient for more inhale breathing pipe 11 with whole end of a thread.

[ description of the drawings ]

The following detailed description of embodiments of the present invention is provided with reference to the accompanying drawings, in which:

fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a partial enlarged view A of FIG. 1;

FIG. 3 is an exploded view of an embodiment of a side mount device;

FIG. 4 is a cross-sectional view of the embodiment of FIG. 3;

FIG. 5 is an exploded view of another side mount embodiment;

FIG. 6 is a cross-sectional view of the embodiment of FIG. 5;

FIG. 7 is an end view of the resilient tab, the hook blade and the air suction tube;

FIG. 8 is a bottom view of the spring and hook blade;

fig. 9 is a schematic structural diagram of a date-beating vehicle with a manual button.

[ detailed description ] embodiments

The invention will be further described with reference to the accompanying drawings:

as shown in fig. 1 to 9, the utility model relates to an automatic thread hooking mechanism for a jujube picking vehicle, the jujube picking vehicle comprises a machine head 1, a needle rod 2 and a presser foot 3 are arranged on the machine head 1, a needle is fixedly arranged on the machine needle rod 2, a movable plate 5 capable of supporting the presser foot 3 to move according to a jujube picking route is arranged below the presser foot 3, an avoiding hole 31 for avoiding the needle when picking jujube is arranged on the presser foot 3, the automatic thread hooking mechanism comprises a mounting frame 6 arranged on one side of the machine head 1 and a lifting cylinder 7 for driving the mounting frame 6 to lift, a protective cover 8 penetrating up and down is detachably connected on the mounting frame 6, the protective cover 8 is made of transparent material and surrounds the outer sides of the machine needle rod 2 and the needle, a thread hooking knife 9 obliquely arranged below a needle lifting position is arranged on the mounting frame 6, and a thread hooking cylinder 10 for driving the thread hooking knife 9 to extend out of a needle thread hooking below the needle lifting position, be equipped with on the protection casing 8 and supply to collude sword 9 and stretch into the line hole 80 that colludes of colluding the line, the top that lies in colluding sword 9 on the mounting bracket 6 is equipped with shell fragment 4, shell fragment 4 is used for colluding the needle line clamp that sword 9 colluded back between colluding sword 9 and shell fragment 4, it is equipped with the breathing pipe 11 that is used for inhaling its interior with the end of a thread of the needle line of colluding to lie in shell fragment 4 below on the mounting bracket 6, breathing pipe 11 is corresponding and vacuum pump connection.

When the sewing machine works, the presser foot 3 is pressed down, the lifting cylinder 7 drives the mounting frame 6, the protective cover 8, the hook knife 9, the thread hooking cylinder 10, the elastic sheet 4 and the air suction pipe 11 which are arranged on the mounting frame 6 to synchronously move downwards, so that the protective cover 8 is attached to the presser foot 3, the sewing is carried out on the machine needle, the sewing is finished, after the machine needle is lifted, the thread hooking cylinder 10 drives the thread hooking cutter 9 to extend out and penetrate through the thread hooking hole 80, hooks the thread head part below the needle, hooks the thread head part back when the thread hooking cutter 9 retracts, wherein the part of the needle thread above the hook knife 9 is elastically clamped between the elastic sheet 4 and the hook knife 9 to elastically limit the free movement of the needle thread, the thread end below the hook knife 9 is sucked into the air suction pipe 11 connected with external air suction equipment, so that the needle thread and the thread end below the needle orderly incline to one side, after the thread hooking is finished, the mounting frame 6 and the parts on the mounting frame are lifted, and the presser foot 3 is lifted again. When sewing is performed again, after the presser foot 3 and the protective cover 8 are pressed down, the machine needle works to pull out the needle thread from between the elastic sheet 4 and the hook knife 9.

Further, the presser foot 3 has magnetism so as to attract the broken needle.

Due to the height limitation of the protection cover 8, in order to facilitate the detachment of the protection cover 8, a side-mounting device 100 is provided between the mounting frame 6 and the protection cover 8 for connecting the two and for laterally mounting and dismounting the protection cover 8. The side-mounted device 100 comprises a clamping seat 101 connected to the mounting frame 6 and a left clamping hook and a right clamping hook 102 protruding from the side face of the protective cover 8, a side edge opening 83 for enabling the needle rod 2 and the needle to laterally enter and exit the protective cover 8 is formed between the left clamping hook and the right clamping hook 102, a clamping groove 103 for enabling the clamping hook 102 to be inserted from the side face is formed in one side, opposite to the protective cover 8, of the clamping seat 101, and a hook plate 104 used for hooking the clamping hook 102 arranged in the clamping groove 103 is arranged on the clamping seat 101.

In one embodiment, as shown in fig. 3 and 4, the left and right hooks 102 are oppositely arranged, the corresponding left and right hook plates 104 are oppositely arranged, snap fasteners 105 are respectively connected to two opposite sides of the card socket 101 in a sliding manner, one end of each snap fastener 105 extends out of the card socket 101, the other end of each snap fastener 105 is fixed with the hook plate 104 on the same side and drives the hook plate 104 to move together when the snap fastener 105 is pressed, and a spring 106 for pushing the two snap fasteners 105 open is arranged between the two snap fasteners 105. When the protective cover 8 is detached, the two snap fasteners 105 are pressed to enable the hook plate 104 to be separated from the hook 102, the protective cover 8 is pulled towards one side, the hook 102 is pulled out of the clamping groove 103, then the side edge port 83 faces the machine needle rod 2 and the machine needle, and the protective cover 8 is pulled out towards the outer side. When the protective cover 8 is installed, the two snap fasteners 105 are pressed to enable the hook plate 104 to avoid shielding the clamping groove 103, the side edge port 83 faces the machine needle rod 2 and the machine needle to be sleeved in from one side, the snap hook 102 is inserted into the clamping groove 103, the two snap fasteners 105 are loosened to be pressed, under the action of the spring 106, the two snap fasteners 105 slide outwards in a reverse mode, the hook plate 104 is enabled to be clamped on one side, from which the snap hook 102 is withdrawn, to hook the snap hook 102 in the clamping groove 103, the structure is simple, and the dismounting and the mounting are convenient.

In another embodiment, as shown in fig. 5 and 6, the left and right hooks 102 are disposed opposite to each other, the corresponding left and right hook plates 104 are disposed opposite to each other, the card seat 101 and the hook plates 104 are integrally formed, the protective cover 8 is made of a transparent plastic material, and the hooks 102 can elastically deform when pressed by an external force. When the protective cover 8 is disassembled, the two clamping hooks 102 are relatively contracted by pressing, the hook plate 104 is separated, and then the hook plate is pulled out from the clamping groove 103; when the protective cover 8 is installed, the two hooks 102 are relatively contracted by pressing, after the protective cover is inserted into the clamping groove 103, external force is released, the hooks 102 are opened after elastic recovery, and are hooked on the hook plates 104 on the two sides, so that the protective cover is limited.

Because near the quick-witted needle bar 2 all is equipped with wire mechanism etc. usually, do not touch these mechanisms when in order to dismouting protection casing 8, broken needle protects integrative controlling means still includes the manual button 15 that is used for manual control lift cylinder 7 to work, controls lift cylinder 7 drive protection casing 8 through manual button 15 earlier and descends, makes protection casing 8 keep away from the near wire mechanism of quick-witted needle bar 2, carries out protection casing 8 dismouting again, improves the convenience of dismouting.

An air cylinder mounting frame 13 used for mounting the lifting air cylinder 7 is fixed on one side of the machine head 1, and an adjusting bolt 14 used for adjusting the lifting height position of the mounting frame 6 is connected to the air cylinder mounting frame 13 in a threaded mode, so that the height of the protective cover 8 during lifting is conveniently adjusted.

The protective cover 8 comprises an upper cylinder 81 with a cylindrical structure and a flat nozzle 82 with a flat structure, the width of the flat nozzle 82 is increased through the structural design of the upper cylinder 81 and the flat nozzle 82, the flat nozzle 82 spans over the presser foot 3 and always spans outside two sides of the avoidance hole 31 when the presser foot 3 reciprocates, so that the protective cover 8 is controlled to be pressed on the presser foot 3 during sewing work, and the flat nozzle 82 is always pressed on the presser foot 3 when the movable plate 5 supports the presser foot 3 to move according to a jujube beating route, so that the protective cover 8 is prevented from falling from the avoidance hole 31, and the downward pressing control of the protective cover 8 is simplified; meanwhile, the upper cylinder 81 can be ensured to have a smaller outer diameter, and the volume of the protective cover 8 is reduced.

In the combined design of the elastic sheet 4, the hooking knife 9 and the air suction pipe 11, an independent air suction pipe 11 can be used for sucking the thread end under the hooking knife 9. Further, as shown in fig. 7, the cross section of one end of the air suction pipe 11 close to the hook cutter 9 is a U-shaped structure, and the U-shaped opening of the air suction pipe is matched with the elastic sheet 4 to form a tubular structure and enclose the hook cutter 9 inside, so that when the hook cutter 9 hooks back a needle thread, the thread end below the hook cutter 9 is partially located in the tubular structure enclosed by the air suction pipe 11 and the elastic sheet 4, and the whole thread end is more conveniently sucked into the air suction pipe 11.

The end of the elastic sheet 4 is provided with a concave V-shaped opening 41 for guiding the hooked needle thread, so that the hooked knife 9 guides the needle thread to approach to the middle of the V-shaped opening 41 when hooking the needle thread, the needle thread is ensured to pass through one end of the opposite hooking hole 80, the needle thread is prevented from being wound on the side edge of the elastic sheet 4, and the needle thread is ensured to be smoothly pulled out from between the elastic sheet 4 and the hooked knife 9.

The head of the hook knife 9 is provided with an acute angle inclined plane convenient for guiding the hook line, namely the front end of the hook knife is extended to gradually reduce to form the acute angle inclined plane, so the hook line is convenient to extend. To the utility model discloses in collude line cylinder 10 replacement for the electro-magnet, can drive through the electro-magnet and collude sword concertina movement.

Collude and be equipped with on the sword 9 and be used for the connecting plate 90 of being connected with colluding the line cylinder 10, be equipped with supporting connection board 90 on mounting bracket 6 and supply connecting plate 90 gliding slide rail 12 above that, the sword 9 of colluding of being convenient for carries out linear motion, guarantees accurate passing colludes line hole 80 to can collude line hole 80 and do littleer, avoid broken needle from colluding line hole 80 and fly out.

The wire hooking hole 80 is arranged on the flat mouth 82.

The mounting frame 6 comprises an upper hanging arm 61 and a lower hanging arm 62 which are arranged up and down, the clamping seat 101 is mounted on the upper hanging arm 61, and the hook knife 9, the elastic sheet 4 and the air suction pipe 11 are mounted on the lower hanging arm 62, so that the structure is simple, and the weight is reduced.

Claims (7)

1. The utility model provides an automatic mechanism of colluding line for getting stuck, get stuck including aircraft nose (1), be equipped with the eedle on aircraft nose (1), its characterized in that: the automatic thread hooking mechanism comprises a mounting frame (6) arranged on one side of the machine head (1), a thread hooking cutter (9) below the lifting position of the inclined machine needle is arranged on the mounting frame (6), a thread hooking cylinder (10) for driving the thread hooking cutter (9) to stretch out a needle thread hooked to the lower part of the lifting position of the machine needle is arranged, and a suction pipe (11) used for sucking the thread head of the hooked needle thread into the mounting frame (6) is arranged below the thread hooking cutter (9).

2. The automatic thread hooking mechanism for the date beating vehicle as claimed in claim 1, wherein: the elastic piece (4) is arranged above the hooking knife (9) on the mounting rack (6), and the elastic piece (4) is used for clamping the needle and the line hooked back by the hooking knife (9) between the hooking knife (9) and the elastic piece (4).

3. The automatic thread hooking mechanism for the date beating vehicle as claimed in claim 2, wherein: the cross section of one end of the air suction pipe (11) close to the hooking knife (9) is of a U-shaped structure, and the U-shaped opening of the air suction pipe and the elastic sheet (4) are matched to form a tubular structure in a surrounding mode and enclose the hooking knife (9) on the inner side.

4. The automatic thread hooking mechanism for the date beating vehicle as claimed in claim 2, wherein: the end part of the elastic sheet (4) is provided with a concave V-shaped opening (41) for guiding the hooked needle thread.

5. The automatic thread hooking mechanism for the date beating vehicle as claimed in claim 1, wherein: the head of the hook knife (9) is provided with an acute angle inclined plane convenient for guiding a hook line.

6. The automatic thread hooking mechanism for the date beating vehicle as claimed in claim 1, wherein: the wire hooking device is characterized in that a connecting plate (90) used for being connected with a wire hooking cylinder (10) is arranged on the wire hooking knife (9), and a sliding rail (12) which supports the connecting plate (90) and allows the connecting plate (90) to slide on the mounting rack (6) is arranged on the mounting rack.

7. The automatic thread hooking mechanism for the date beating vehicle as claimed in claim 1, wherein: the thread hooking cylinder (10) is replaced by an electromagnet.

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