CN111996689A

CN111996689A - Device capable of effectively reducing thread jamming condition of sewing machine

Info

Publication number: CN111996689A
Application number: CN202010887900.8A
Authority: CN
Inventors: 吴时光
Original assignee: Guangzhou Lihan Clothing Co ltd
Current assignee: Guangzhou Lihan Clothing Co ltd
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2020-11-27

Abstract

The invention relates to the technical field of sewing, and discloses a device capable of effectively reducing the thread clamping condition of a sewing machine, which comprises an anti-thread clamping device main body, wherein a shuttle is fixedly arranged in the anti-thread clamping device main body, a thread clamping rotating wheel is movably arranged in the shuttle, a central rotating disc is movably arranged in the thread clamping rotating wheel, a stop lever is fixedly arranged on the outer surface of the central rotating disc, an oil tank is fixedly arranged in the thread clamping rotating wheel, a telescopic rod is fixedly arranged at the bottom of the thread clamping rotating wheel, and a push rod is fixedly connected to the left side of the telescopic rod. At first, the clamping line rotating wheel rotates anticlockwise to enable the oil tank to move to the highest position, the central rotating disc drives the gear rod to rotate to enable the push rod to move, the oil tank is opened, butter falls in the oil tank for a certain time, if the shuttle is internally lubricated and does not rotate to the clamping line rotating wheel, the butter drips slowly, otherwise, the butter does not drip, and the effect of adding lubricating oil into the shuttle according to the motion condition of the clamping line rotating wheel is achieved.

Description

Device capable of effectively reducing thread jamming condition of sewing machine

Technical Field

The invention relates to the technical field of sewing, in particular to a device capable of effectively reducing the thread jamming condition of a sewing machine.

Background

A sewing machine is a machine that uses one or more sewing threads to form one or more stitches in a material to be sewn, thereby interweaving or stitching one or more layers of material. The sewing machine can sew fabrics such as cotton, hemp, silk, wool, artificial fiber and the like and products such as leather, plastics, paper and the like, and the sewed stitches are neat, beautiful, flat and firm, the sewing speed is high and the use is simple.

The sewing machine has the advantages that the thread clamping phenomenon is easy to occur in the use process, the quality of sewn clothes is reduced when the thread is clamped, and the thread clamping problem is solved, so that a worker needs to disassemble the whole sewing machine, and the sewing machine is time-consuming and labor-consuming. The factors causing the easy thread jamming of the sewing machine include excessive dust inside a shuttle of the sewing machine, insufficient lubrication inside the shuttle, loose thread end and the like, so a device capable of effectively reducing the thread jamming condition of the sewing machine is provided to solve the problems.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a device capable of effectively reducing the thread jamming condition of a sewing machine, which has the advantages of removing dust in a shuttle of the sewing machine and lubricating the sewing machine according to the motion condition of the sewing machine so as to reduce the thread jamming frequency of the sewing machine, and solves the problem of thread jamming of the sewing machine caused by insufficient lubrication inside the shuttle and excessive dust.

(II) technical scheme

In order to achieve the purpose of removing dust in a shuttle of the sewing machine and lubricating the sewing machine according to the motion condition of the sewing machine so as to reduce the thread clamping frequency of the sewing machine, the invention provides the following technical scheme: a device capable of effectively reducing the thread jamming condition of a sewing machine comprises a thread jamming prevention device main body, wherein a cam is movably mounted in the thread jamming prevention device main body, a sliding groove is formed in the inner wall of the left side of the thread jamming prevention device main body, a sliding block is slidably connected in the sliding groove, a connecting rod is fixedly connected to the right side of the sliding block, a driving block is fixedly mounted on the right side of the connecting rod, a connecting rod is fixedly connected to the back face of the driving block, a sewing needle is movably mounted at the bottom of the connecting rod, an air inlet pipeline is fixedly mounted on the right side of the thread jamming prevention device main body, a shuttle is fixedly mounted in the thread jamming prevention device main body, an offset groove is formed in the shuttle, a rotating center shaft is slidably connected in the offset groove, a thread clamping rotating wheel is movably mounted in the shuttle, and, the utility model discloses a wire clamping device, including center carousel, the inside fixed mounting of double-layered line runner has the oil tank, the bottom fixed mounting of double-layered line runner has the telescopic link, the top fixedly connected with spring of telescopic link, the left side fixedly connected with push rod of telescopic link, the right side movable mounting of oil tank has the oil feeding mouth, the right side fixedly connected with lifting screw of rotation center pin, the left outer wall fixed mounting of anti-sticking line device main part has the support frame, the top fixed mounting of support frame has the motor, the right side fixedly connected with rotation axis of motor, the right side fixed mounting of rotation axis has dust collector, the bottom the top fixed mounting of connecting rod has the dust box.

Preferably, there are two sets of chutes, and the chute at the bottom is a chute, and the sliding block moves upwards in the chute and moves towards the upper left.

Preferably, the rotation of the yarn clamping rotating wheel and the rotation of the central rotating disc are in sequence, the yarn clamping rotating wheel rotates firstly, the rotating directions are opposite, and the yarn clamping rotating wheel rotates anticlockwise at first and then returns to the initial position clockwise.

Preferably, the length of the stop lever is smaller than the gap between the wire clamping rotating wheel and the central rotating disc, and the stop lever cannot influence the rotation of the wire clamping rotating wheel and the central rotating disc.

Preferably, the oil tank is filled with butter, a solid viscous lubricating oil, and the butter needs a certain time to drip from the oil tank under the action of the self weight, which is equivalent to manufacturing a lubricating oil dripping delay device by utilizing the characteristics of the butter.

Preferably, dust extraction comprises motor, spout, slider, brush, plastic sleeve, and the brush rotates always, and the bottom brush at the spout is at the plastic sleeve internal rotation, and plastic sleeve has static and can adsorb the dust, thereby the top brush at the spout leaves plastic sleeve and loses static, puts down the dust.

Preferably, the dust box is placed between the dust suction devices without affecting the movement of the dust suction devices, and water is placed at the bottom of the dust box for adsorbing dust.

(III) advantageous effects

Compared with the prior art, the invention provides a device capable of effectively reducing the thread jamming condition of a sewing machine, which has the following beneficial effects:

1. this can effectively reduce device of sewing machine card line condition, through installing the oil tank on the double-layered line runner, the telescopic link, spring and push rod, the shelves pole on the central carousel is gone up in the collocation, the double-layered line runner anticlockwise rotates and makes the oil tank move the highest point, thereby central carousel drives a shelves pole and rotates and promote the push rod and remove, thereby open the oil tank bottom, and the built-in butter of oil tank is the solid dope, it needs certain time to drop, if the inside lubrication of shuttle is not in place, then the clockwise rotation back of double-layered line runner can be slow some, the butter will drip this moment, if the inside lubrication of shuttle can also, the normal motion of double-layered line runner, the butter is too late to drop, reached and come the effect for the inside lubricating oil that adds of shuttle according to the double-layered line.

2. This can effectively reduce device of sewing machine card line condition, blow to the shuttle through the intake stack, the inside dust of shuttle can be blown, this moment under the effect of motor, the rotation axis drives the dust extraction motion, with the help of the effect of spout and slider, the brush of dust extraction inside can the time and get into the plastic sleeve rotatory, leave the plastic sleeve idle running often, make the plastic sleeve lose static at the eminence in conflict area static, reached and adsorbed the dust and input the effect in the dust box with the dust.

Drawings

FIG. 1 is a schematic structural diagram of an anti-jamming device;

FIG. 2 is a schematic illustration of the shuttle configuration;

FIG. 3 is a schematic view of the open configuration of the shuttle rotational lubrication system;

FIG. 4 is a schematic diagram of the lubrication system;

fig. 5 is a schematic structural view of the dust suction device.

In the figure: 1-an anti-thread-jamming device main body, 2-a cam, 3-a driving block, 4-a sliding chute, 5-a sliding block, 6-a connecting rod, 7-a sewing needle, 8-an air inlet pipeline, 9-a shuttle, 10-an offset chute, 11-a rotating central shaft, 12-a thread clamping rotating wheel, 13-a central rotating disc, 14-a blocking rod, 15-an oil tank, 16-an expansion rod, 17-a spring, 18-a push rod, 19-an oil filling port, 20-a lifting screw rod, 21-a supporting frame, 22-a motor, 23-a rotating shaft, 24-a dust collection device and 25-a dust box.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, a device for effectively reducing thread jamming of a sewing machine comprises a thread jamming prevention device main body 1, wherein a cam 2 is movably mounted inside the thread jamming prevention device main body 1, a sliding groove 4 is formed in the inner wall of the left side of the thread jamming prevention device main body 1, two groups of sliding grooves 4 are formed in the sliding groove 4, the sliding groove 4 at the bottom is a chute, a sliding block 5 moves upwards in the chute and moves towards the left side, a sliding block 5 is slidably connected inside the sliding groove 4, a connecting rod 6 is fixedly connected to the right side of the sliding block 5, a driving block 3 is fixedly mounted on the right side of the connecting rod 6, a connecting rod 6 is fixedly connected to the back side of the driving block 3, a sewing needle 7 is movably mounted at the bottom of the connecting rod 6, an air inlet duct 8 is fixedly mounted on the right side of the thread jamming prevention device main body 1, a shuttle 9 is fixedly mounted inside the shuttle, the inside of the shuttle 9 is movably provided with a wire clamping rotating wheel 12, the inside of the wire clamping rotating wheel 12 is movably provided with a central rotating disc 13, the wire clamping rotating wheel 12 and the central rotating disc 13 rotate in sequence, the wire clamping rotating wheel 12 rotates firstly, the rotating direction is opposite, the wire clamping rotating wheel 12 rotates anticlockwise and then returns to the initial position clockwise, the outer surface of the central rotating disc 13 is fixedly provided with a stop rod 14, the length of the stop rod 14 is smaller than the gap between the wire clamping rotating wheel 12 and the central rotating disc 13, the stop rod 14 cannot influence the rotation of the wire clamping rotating wheel 12 and the central rotating disc 13, the inside of the wire clamping rotating wheel 12 is fixedly provided with an oil tank 15, the oil tank 15 is filled with butter, the butter is solid viscous lubricating oil, the butter needs a certain time to drip from the oil tank 15 under the action of self weight, which is equivalent to manufacture a delay device for dripping the lubricating oil by utilizing the characteristic of the butter, the bottom of the wire clamping, the top of the telescopic rod 16 is fixedly connected with a spring 17, the left side of the telescopic rod 16 is fixedly connected with a push rod 18, the right side of the oil tank 15 is movably provided with an oil adding port 19, the right side of the rotating central shaft 11 is fixedly connected with a lifting screw rod 20, the outer wall of the left side of the anti-jamming device main body 1 is fixedly provided with a support frame 21, the top of the support frame 21 is fixedly provided with a motor 22, the right side of the motor 22 is fixedly connected with a rotating shaft 23, the right side of the rotating shaft 23 is fixedly provided with a dust removal device 24, the dust removal device 24 is composed of the motor 22, a sliding chute 4, a sliding block 5, a hair brush and a plastic sleeve, the hair brush always rotates at the bottom of the sliding chute 4, the plastic sleeve can absorb dust due to static electricity, the hair brush leaves the plastic sleeve at the top of the sliding chute, the movement of the dust suction means 24 is not affected, and water is placed at the bottom of the dust box 25 for adsorbing dust.

The working principle is that the movement of a thread clamping rotating wheel 12 and a central rotating disc 13 inside a shuttle 9 of the sewing machine is driven by the movement of threads, the threads can drive the thread clamping rotating wheel 12 on the shuttle 9 of the sewing machine to rotate anticlockwise for a certain angle, so that an oil tank 15, a telescopic rod 16, a spring 17 and a push rod 18 move to the highest position, then the threads can drive the central rotating disc 13 and a stop rod 14 inside the shuttle 9 to rotate clockwise, after the stop rod 14 is contacted with the push rod 18, the push rod 18 can be pushed to rotate clockwise, so that the bottom of the oil tank 15 is opened, because solid lubricating grease is filled in the oil tank 15, the falling of the grease by gravity has certain delay, if the lubrication inside the shuttle 9 has no problem, the thread clamping rotating wheel 12 is driven by the threads to rotate back to the initial position clockwise before the grease can not react, the spring 17 pulls the telescopic rod 16 to reset, so that the oil tank 15 is closed, if the lubrication in the shuttle 9 is insufficient, the time for the wire clamping rotating wheel 12 to return to the original position is delayed, and the butter can drip from the oil tank 15 opened below, so that the corners between the central rotating disc 13 and the wire clamping rotating wheel 12 are coated under the rotating action of the wire clamping rotating wheel 12 and the central rotating disc 13, and the butter can be determined to drip according to the condition that whether the movement of the wire clamping rotating wheel 12 is blocked; under the action of the upper air inlet pipeline 8, dust in the shuttle 9 is blown up, the motor 22 at the bottom drives the rotating shaft 23 to rotate, so that the dust suction device 24 rotates, under the action of the chute 4 and the sliding block 5, the brush in the dust suction device 24 rotates in the plastic sleeve at the bottom of the chute 4, so that static electricity is generated due to friction between the brush and the plastic sleeve to adsorb the dust, and at the top of the chute 4, the brush leaves the plastic sleeve to lose the static electricity, so that the dust falls into the dust box 25 at the bottom, clear water is placed in the dust box 25, the dust cannot float out of the dust box 25, and the effects of removing the dust in the shuttle 9 and collecting the dust are achieved; the driving block 3 is pushed to ascend and descend up and down by virtue of the rotation of the cam 2, the sliding groove 4, the sliding block 5 and the connecting rod 6 are matched, the loosening of the sewing needle 7 in the motion process can be effectively avoided, meanwhile, the height of the rotating central shaft 11 is adjusted by the aid of the offset groove 10 outside the rotating central shaft 11 and the lifting screw rod 20, and the purpose that the distance between the sewing needle 7 and the shuttle 9 is changed to adapt to the sewing needles 7 of various sizes is achieved.

To sum up, this can effectively reduce device of sewing machine card line condition, through install oil tank 15 on double-layered line runner 12, telescopic link 16, spring 17 and push rod 18, collocate the shelves pole 14 on central carousel 13, the first anticlockwise rotation of double-layered line runner 12 makes oil tank 15 move to the highest point, then central carousel 13 drives shelves pole 14 and rotates thereby promote push rod 18 and remove, thereby open oil tank 15 bottom, and the butter that the oil tank 15 was built-in is the solid thick thing, it needs certain time to drop, if shuttle 9 internal lubrication is not in place, then double-layered line runner 12 clockwise turns back and can be slow a little, the butter will drip this moment, if shuttle 9 internal lubrication can also, double-layered line runner 12 normal motion, the butter comes too late to drop, reached according to double-layered line runner 12 motion condition to come the effect of adding lubricating oil for shuttle 9 is inside according to the double-layered line runner 12 motion.

And, this can effectively reduce device of sewing machine card line condition, supply air to shuttle 9 through air inlet duct 8, the inside dust of shuttle 9 can be blown, at this moment under motor 22's effect, rotation axis 23 drives dust extraction 24 and moves, with the help of the effect of spout 4 and slider 5, the brush of the inside of dust extraction 24 can get into the plastic sleeve rotation often, leave the plastic sleeve idle running often, make the plastic sleeve lose static at the eminence in the conflict area static, reached the effect of adsorbing the dust and throwing into the dust box 25 with the dust.

Having shown and described embodiments of the present invention, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in the 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 can effectively reduce device of sewing machine card line condition, includes anti-sticking line device main part (1), its characterized in that: the anti-sticking thread device is characterized in that a cam (2) is movably arranged in the anti-sticking thread device main body (1), a sliding groove (4) is formed in the inner wall of the left side of the anti-sticking thread device main body (1), a sliding block (5) is connected to the inside of the sliding groove (4) in a sliding manner, a connecting rod (6) is fixedly connected to the right side of the sliding block (5), a driving block (3) is fixedly arranged on the right side of the connecting rod (6), the connecting rod (6) is fixedly connected to the back face of the driving block (3), a sewing needle (7) is movably arranged at the bottom of the connecting rod (6), an air inlet pipeline (8) is fixedly arranged on the right side of the anti-sticking thread device main body (1), a shuttle (9) is fixedly arranged in the anti-sticking thread device main body (1), an offset groove (10) is, the inner movable mounting of the shuttle (9) is provided with a wire clamping rotating wheel (12), the inner movable mounting of the wire clamping rotating wheel (12) is provided with a center rotating disc (13), the outer surface of the center rotating disc (13) is provided with a stop lever (14), the inner fixed mounting of the wire clamping rotating wheel (12) is provided with an oil tank (15), the bottom of the wire clamping rotating wheel (12) is fixedly provided with an expansion link (16), the top of the expansion link (16) is fixedly connected with a spring (17), the left side of the expansion link (16) is fixedly connected with a push rod (18), the right side of the oil tank (15) is movably provided with an oil adding port (19), the right side of a rotating center shaft (11) is fixedly connected with a lifting screw rod (20), the left outer wall of the anti-jamming wire device main body (1) is fixedly provided with a support frame, the right side fixedly connected with rotation axis (23) of motor (22), the right side fixed mounting of rotation axis (23) has dust collector (24), the bottom the top fixed mounting of connecting rod (6) has dust box (25).

2. The device for effectively reducing the thread jamming of the sewing machine according to claim 1, wherein: the sliding chutes (4) are divided into two groups, and the sliding chute (4) at the bottom is a chute.

3. The device for effectively reducing the thread jamming of the sewing machine according to claim 1, wherein: the wire clamping rotating wheel (12) and the central rotating disc (13) rotate in sequence, and the rotating directions are opposite.

4. The device for effectively reducing the thread jamming of the sewing machine according to claim 1, wherein: the length of the stop lever (14) is smaller than the gap between the wire clamping rotating wheel (12) and the central rotating disc (13).

5. The device for effectively reducing the thread jamming of the sewing machine according to claim 1, wherein: grease, a solid viscous lubricating oil, is filled in the oil tank (15).

6. The device for effectively reducing the thread jamming of the sewing machine according to claim 1, wherein: the dust collection device (24) is composed of a motor (22), a sliding groove (4), a sliding block (5), a brush and a plastic sleeve.

7. The device for effectively reducing the thread jamming of the sewing machine according to claim 1, wherein: the dust box (25) is arranged between the dust suction devices (24) without influencing the movement of the dust suction devices (24), and water is arranged at the bottom of the dust box (25).