CN111809316A

CN111809316A - Threading method

Info

Publication number: CN111809316A
Application number: CN202010561737.6A
Authority: CN
Inventors: 郭创华
Original assignee: Zhuhai Yunkong Ruiqi Numerical Control Science & Technology Co ltd
Current assignee: Zhuhai Yunkong Ruiqi Numerical Control Science & Technology Co ltd
Priority date: 2020-06-18
Filing date: 2020-06-18
Publication date: 2020-10-23
Anticipated expiration: 2040-06-18
Also published as: CN111809316B

Abstract

The invention discloses a threading method, which comprises the following steps of feeding round buttons, wherein the round buttons are fed to a clamping piece of a threading machine by a first button feeding device; feeding the splayed buckles, and feeding the splayed buckles into the buckle grooves of the two clamping arms of the buckle clamping device on the tape threading machine by the second buckle feeding device; conveying the belt, wherein the upper clamping piece and the lower clamping piece on the belt threading machine are matched to clamp the belt in the belt conveying channel and convey the belt into the round buckle; cutting the belt, wherein the belt is cut off at the left end by a cutter on the belt threading machine; pressing the belt, wherein a belt pressing device on the belt threading machine presses the belt; threading the V-shaped button; threading the V-shaped button for the second time; the first transfer transfers the button with the belt to a sewing platform for sewing: transferring the belt sewed with the V-shaped button to the clamping device for the second time, and enabling the two clamping arms of the clamping device to clamp the V-shaped button; and (5) putting back the V-shaped button, and carrying out the steps from the step of putting through the V-shaped button to the step of putting through the V-shaped button for the second time on the end of the belt which is not sewed with the V-shaped button.

Description

Threading method

Technical Field

The invention relates to the technical field of sewing, in particular to a threading method.

Background

In the field of sewing, it is often necessary to thread a band inside the buckle to ensure the necessary production.

At present, the V-shaped buckle is penetrated by a belt, mainly the V-shaped buckle is vertically placed, two penetrating holes of the V-shaped buckle face the advancing direction of the belt, the belt can penetrate through the first penetrating hole of the V-shaped buckle, when the second penetrating hole needs to be penetrated back, the belt is not easy to bend, and the penetrating head of the belt is easy to be dislocated during bending, so that the belt is not penetrated successfully; this approach has a large error rate and ultimately results in inefficient production.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a tape threading method which can reduce errors in tape threading and improve production efficiency.

A threading method according to an embodiment of the first aspect of the invention includes the steps of:

the first button feeding device feeds the round buttons to the clamping pieces of the button threading machine, so that the hole threading holes of the round buttons face the advancing direction of the belt;

feeding the splayed buckle, wherein the second buckle feeding device feeds the splayed buckle into the buckle grooves of the two clamping arms of the buckle clamping device on the tape threading machine, and enables the two threading holes of the splayed buckle to face to the vertical direction;

conveying the belt, wherein the upper clamping piece and the lower clamping piece on the buckle penetrating machine are matched to clamp the belt in the belt conveying channel to the round buckle for conveying, and meanwhile, the belt penetrates through the round buckle and is continuously conveyed to the upper end of the V-shaped buckle by the upper clamping piece and the lower clamping piece;

cutting the belt, namely cutting the belt at the left end by a cutter on the belt threading machine to enable the belt to generate a belt threading head of 3-5 cm;

pressing the belt, wherein a belt pressing device on the belt threading machine presses the belt to prevent the belt from sliding leftwards when the belt is threaded;

a belt threading power part on the belt threading machine drives the inserting sheet to downwards push a belt threading head of the belt into a first hole of the V-shaped buckle, and then the belt threading head is pulled downwards by a belt clamping device on the belt threading machine;

turning, namely turning the button by the clamping device;

the V-shaped button is threaded for the second time, the threading power part on the threading machine drives the inserting piece to jack the threading head of the belt into the second hole of the button, and then the threading head is pulled downwards by the entrainment device on the threading machine;

the first transfer, will wear the button of good belt and transfer to sewing platform and sew, fixed belt and eight characters are detained:

transferring the belt sewed with the V-shaped button to the clamping device for the second time, and enabling the two clamping arms of the clamping device to clamp the V-shaped button;

and (4) putting back the V-shaped button, and carrying out the steps from the step of putting on the V-shaped button to the step of putting on the V-shaped button for the second time at the end of the belt which is not sewed with the V-shaped button, bending a part of the belt into a ring sleeve, and locking the round button in the ring sleeve.

The tape threading method provided by the embodiment of the invention has at least the following beneficial effects: the process of feeding the buttons, the process of processing the belt and the process of threading the buttons are combined together, so that the belt is formed into the button belt which can be directly used at one time after the steps, and the production efficiency is increased; meanwhile, the belt penetrating power part driving insertion pieces on the belt penetrating machine are utilized to push the belt into the splayed buckle, the belt penetrating mode and the belt penetrating mechanism are simple, the belt penetrating mode and the belt penetrating mechanism are easy to realize in the understanding of the working principle, the adjustment of the belt penetrating power part and the insertion pieces in the later period is facilitated, the error rate is reduced, and the yield and the quantity of good products are improved.

According to some embodiments of the present invention, the first fastener feeding device includes a first bracket, a first motor connected to the first bracket, a linear motor connected to the first motor, a second motor slidably connected to the linear motor, and a clamping cylinder connected to the second motor, after the clamping cylinder clamps a round fastener, the first motor rotates to enable the linear motor, the second motor, and the clamping cylinder to rotate around an axis of the first motor, and at the same time, the round fastener also generates a displacement in a plane of a cross-section of the first motor, when a rotation radius of the clamping cylinder in the plane of the cross-section of the first motor needs to be increased, the linear motor is started to drive the second motor and the clamping cylinder to slide in a direction perpendicular to the axis of the first motor, and at the same time, the clamping cylinder can extend the round fastener to the clamping element, the second motor drives the clamping cylinder to rotate, the round buckle is adjusted to enter the position of the clamping piece, and then the round buckle is sent into the clamping piece.

According to some embodiments of the invention, the second buckle feeding device comprises a second clamping cylinder, a clamping mechanism and a shifting assembly, the second clamping cylinder is connected to the shifting assembly, after the second clamping cylinder clamps the splayed buckle, the splayed buckle is fed onto the clamping mechanism through the shifting assembly to be horizontally placed, two belt penetrating holes of the splayed buckle face to the vertical direction, and then the splayed buckle is pushed into the buckle grooves of the two clamp arms of the buckle clamping device on the belt penetrating machine by utilizing a pushing block on the clamping mechanism.

According to some embodiments of the invention, the displacement assembly includes a second support, a slider, an electric cylinder and a first air cylinder, the electric cylinder is connected to the second support, the slider is slidably connected to the electric cylinder, the first air cylinder is disposed on the slider, a driving end of the first air cylinder is connected to the second clamping air cylinder, after the second clamping air cylinder clamps the round buckle, the first air cylinder contracts upwards to clamp the round buckle, and the electric cylinder drives the slider and the second clamping air cylinder to slide along an axial direction of the electric cylinder to send the round buckle to the buckle threading machine.

According to some embodiments of the present invention, the clamping mechanism includes a first clamping block, a second clamping block and a second cylinder, the first clamping block and the second clamping block are both disposed on the second bracket, the first clamping block is slidably connected to the second clamping block, a clamping end of the first clamping block is opposite to a clamping end of the second clamping block, when the toed-on-button is sent between the first clamping block and the second clamping block, the second cylinder drives the second clamping block to slide so that the clamping end of the second clamping block is close to the clamping end of the first clamping block, the toed-on-button is clamped at this time, and then the toed-on-button is pushed onto the clamping device by the pushing block.

According to some embodiments of the present invention, the upper clip and the lower clip are slidably connected to the button threading machine and gradually expand from back to front to form an elastic structure, and the upper clip and/or the lower clip on the button threading machine are connected to a pressing piece, the pressing piece presses the upper clip or the pressing piece presses the lower clip or the pressing piece simultaneously presses the upper clip and the lower clip, so that the front ends of the upper clip and the lower clip are close to each other to clip the strap, and the upper clip and the lower clip move together with the strap to feed the strap forward into the round button.

According to some embodiments of the invention, a blocking and pushing piece is arranged between the two clamping arms, when the splayed buckle is fed into the buckle slot, the blocking and pushing piece limits the splayed buckle to move backwards, after the belt threading is completed, the clamping device feeds the splayed buckle onto the sewing platform, and the blocking and pushing piece pushes the splayed buckle out of the buckle slot at the moment, and a pressure foot on the sewing platform presses the splayed buckle and the belt for sewing.

According to some embodiments of the invention, the clip device is connected with a turning power piece, the turning power piece is connected with the clip device through gear transmission, the turning power piece is started to generate torque, and the clip device is driven to turn over through a gear, so that a hole in the splayed buckle, which is not threaded, is aligned with the threading station.

According to some embodiments of the present invention, the clamping device is connected to a shifting device, the shifting device includes a rotary power member and a swing rod, the swing rod is provided with a connecting hole deviating from the axis of the swing rod, the rotating shaft of the rotary power member is inserted into the connecting hole, the clamping device includes a telescopic power member connected to the swing rod and two clamping blocks hinged to the telescopic power member, when the inserting piece pushes the belt into the belt threading hole of the v-shaped buckle, the telescopic power member pushes upwards to drive the two clamping blocks to open until the belt falls between the two clamping blocks, at this time, the telescopic power member retracts to drive the two clamping blocks to clamp the belt, after that, the rotary power member drives the swing rod to swing to pull the belt down, and the rotary power member and the swing rod cooperate to drive the clamping device to move through the swing rod, therefore, when the belt clamping device is not used, the belt clamping device can avoid the belt penetrating motion of the belt penetrating machine, the mechanical interference is reduced, and the normal operation of the whole belt penetrating machine is ensured.

According to some embodiments of the invention, the belt pressing device comprises an upper pressing sheet and a lower pressing sheet, the upper pressing sheet and the lower pressing sheet are hinged on the mounting seat, the upper pressing sheet and the lower pressing sheet are respectively hinged with a third cylinder and a fourth cylinder, when a belt is cut on the belt threading machine and ready to be threaded, the third cylinder and the fourth cylinder respectively drive the upper pressing sheet and the lower pressing sheet to mutually approach to clamp the belt, and the belt is prevented from being overlong when being pushed into a threading hole of the figure eight buckle.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural view of a first buckle conveying device according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of the first fastener delivery device shown in FIG. 1;

fig. 3 is a schematic structural view of a second buckle conveying device according to an embodiment of the present invention;

FIG. 4 is a schematic structural view of a clamping mechanism of the second fastener feeding device shown in FIG. 3;

FIG. 5 is a schematic structural view of the button threading machine;

FIG. 6 is a schematic structural view of the threading machine;

fig. 7 is a schematic structural view of the tape threading machine shown in fig. 6 from another perspective.

The first buckle conveying device 100, the first bracket 110, the i-shaped reinforcing rib 111, the mounting hole 112, the first motor 120, the linear motor 130, the second motor 140, the clamping cylinder 150, the first feeding tray 160, the second buckle conveying device 200, the second clamping cylinder 210, the clamping mechanism 220, the first clamping block 221, the second clamping block 222, the second cylinder 223, the pushing block 224, the clamping groove 225, the flange 226, the second clamping strip 227, the first blocking strip 228, the displacement assembly 230, the second bracket 231, the slider 232, the electric cylinder 233, the first air cylinder 234, the buckle penetrating machine 300, the clamping buckle 310, the upper clamping piece 320, the lower clamping piece 330, the belt conveying channel 340, the belt penetrating machine 400, the clamping buckle 410, the clamping arm 420, the clamping groove 421, the belt pressing device 430, the upper pressing piece 431, the lower pressing piece 432, the mounting seat 433, the third air cylinder 434, the fourth air cylinder 435, the belt penetrating power piece 440, the inserting piece 450, the clamping device 460, the telescopic piece 461, the clamping block 462, the pushing piece 470, the belt pressing, The turning power piece 480, the shifting device 490, the rotating power piece 491, the swinging rod 492 and the connecting hole 493.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality means two or more, and greater than, less than, more than, etc. are understood as not including the essential numbers. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1 to 7, a threading method includes the steps of,

a round button is sent, the first button sending device 100 sends the round button to the clamping piece 310 of the button threading machine 300, and the hole threading hole of the round button faces to the advancing direction of the belt;

feeding the splayed buckle, wherein the second buckle feeding device 200 feeds the splayed buckle into the buckle grooves 421 of the two clamping arms 420 of the clamping device 410 on the tape threading machine 400, and enables the two threading holes of the splayed buckle to face to the vertical direction;

the belt is conveyed, the upper clamping piece 320 and the lower clamping piece 330 on the belt threading machine 300 are matched to clamp the belt in the belt conveying channel 340 to be conveyed into the round buckle, and meanwhile, the belt passes through the round buckle and is continuously conveyed to the upper end of the splayed buckle by the upper clamping piece 320 and the lower clamping piece 330;

cutting the tape, wherein the tape is cut off at the left end by a cutter on the tape threading machine 400, so that a tape threading head of 3-5 cm is generated on the tape;

pressing the belt, wherein a belt pressing device 430 on the belt threading machine 400 presses the belt to prevent the belt from sliding leftwards during threading;

the V-shaped button is penetrated, the belt penetrating power piece 440 on the belt penetrating machine 400 drives the inserting piece 450 to push the belt penetrating head of the belt downwards into the first hole of the V-shaped button, and then the belt penetrating head is pulled downwards by the clamping device 460 on the belt penetrating machine 400;

turning over, the clip device 410 turns over the button by 180 degrees;

the V-shaped button is threaded for the second time, the threading power part 440 on the threading machine 400 drives the inserting sheet 450 to push the threading head of the tape into the second hole of the button, and then the threading head is pulled downwards by the clamping device 460 on the threading machine 400;

the second transfer, the belt sewed with the figure button is transferred to the clamping device 410, and the two clamping arms 420 of the clamping device 410 clamp the figure button;

The process of feeding the buttons, the process of processing the belt and the process of threading the buttons are combined together, so that the belt is formed into the button belt which can be directly used at one time after the steps, and the production efficiency is increased; meanwhile, the tape threading power part 440 on the tape threading machine 400 is utilized to drive the inserting piece 450 to eject the tape into the splayed buckle, the tape threading mode and the tape threading mechanism are simple, the tape threading mechanism becomes easy when the working principle is understood, the adjustment of the tape threading power part and the inserting piece in the later period is facilitated, the error rate is reduced, and the yield quantity of good products is improved.

In some embodiments, the first buckle feeding device 100 includes a first bracket 110, a first motor 120 connected to the first bracket 110, a linear motor 130 connected to the first motor 120, a second motor 140 slidably connected to the linear motor 130, and a clamping cylinder 150 connected to the second motor 140, after the clamping cylinder 150 clamps the round buckle, the first motor 120 rotates to enable the linear motor 130, the second motor 140, and the clamping cylinder 150 to rotate around the axis of the first motor 120, at this time, the round buckle also generates displacement in the plane of the cross-section of the first motor 120, when it is necessary to increase the rotation radius of the clamping cylinder 150 in the plane of the cross-section of the first motor 120, the linear motor 130 is started to drive the second motor 140 and the clamping cylinder 150 to slide in the direction perpendicular to the axis of the first motor 120, at this time, the clamping cylinder 150 can extend the round buckle to the clamping member 310, and the second motor 140 drives the clamping cylinder 150 to rotate, the round buckle is adjusted to enter the position of the clamping piece 310, then the round buckle is sent into the clamping piece 310, and the clamping cylinder 150 is driven by the three driving pieces, so that the clamping cylinder 150 has three degrees of freedom, and can be conveniently transferred and sent out in a larger space after the clamping cylinder 150 clamps the round buckle, and it should be noted that the degree of freedom of the clamping cylinder 150 itself is not calculated.

It should be noted that the first bracket 110 is provided with a mounting hole 112 and an i-shaped reinforcing rib 111, and the upper end of the i-shaped reinforcing rib 111 is connected with the first motor 120; an anti-slip sleeve 151 is arranged on the clamping end of the clamping cylinder 150; the first clip feeding device 100 further comprises a first feeding tray 160, and the clamping cylinder 150 is used for clamping the round clips on the first feeding tray 160.

In some embodiments, the second clip feeding device 200 includes a second clamping cylinder 210, a clamping mechanism 220 and a shifting assembly 230, the second clamping cylinder 210 is connected to the shifting assembly 230, after the second clamping cylinder 210 clamps the v-shaped clip, the v-shaped clip is fed onto the clamping mechanism 220 through the shifting assembly 230 and laid flat, so that two hole penetrating holes of the v-shaped clip face vertically, and then the v-shaped clip is pushed into the catching grooves 421 of the two clamping arms 420 of the clamping device 410 on the tape threading machine 400 by using the pushing block 224 on the clamping mechanism 220. It should be noted that the second clip feeding device 200 further includes a second feeding tray 240, and the second clamping cylinder 210 is used for clamping the v-shaped clips on the second feeding tray 240.

In some embodiments, the displacement assembly 230 includes a second bracket 231, a slider 232, an electric cylinder 233 and a first cylinder 234, the electric cylinder 233 is connected to the second bracket 231, the slider 232 is slidably connected to the electric cylinder 233, the first cylinder 234 is disposed on the slider 232, a driving end of the first cylinder 234 is connected to the second clamping cylinder 210, after the second clamping cylinder 210 clamps the round buckle, the first cylinder 234 contracts upwards to clamp the round buckle, and the electric cylinder 233 drives the slider 232 and the second clamping cylinder 210 to slide along an axial direction of the electric cylinder 233 to feed the round buckle to the button threading machine 300.

In some embodiments, the clamping mechanism 220 includes a first latch 221, a second latch 222, and a second cylinder 223, wherein the first latch 221 and the second latch 222 are disposed on the second bracket 231, the first latch 221 is slidably connected to the second latch 222, a clamping end of the first latch 221 is opposite to a clamping end of the second latch 222, when the toenail is fed between the first latch 221 and the second latch 222, the second cylinder 223 drives the second latch 222 to slide so that the clamping end of the second latch 222 approaches the clamping end of the first latch 221, at this time, the toenail is clamped, the toenail is pushed onto the clamping device 410 by the pushing block 224, and the clamping mechanism 220 can horizontally feed the toenail to the catching groove 421.

It should be noted that the holding end of the first fixture block 221 is provided with a plurality of first blocking strips 228 arranged in a tooth shape in the front-back direction, the holding end of the second fixture block 222 is provided with a plurality of second blocking strips 227 arranged in a tooth shape in the front-back direction, the plurality of first blocking strips 228 and the plurality of second blocking strips 227 can be engaged with each other, and the plurality of first blocking strips 228 and the plurality of second blocking strips 227 are used for carrying the v-shaped buckle.

It should be noted that, the clamping end of the first fixture 221 and the clamping end of the second fixture 222 are both provided with a clamping groove 225 along the front-back direction, the clamping end of the first fixture 221 and the clamping end of the second fixture 222 are respectively provided with a flange 226 protruding to the right and left, the flange 226 is arranged along the front-back direction, the clamping groove 225 is formed between the flange 226 and the corresponding barrier, and the upper side wall of the clamping groove 225 is arranged as an inclined surface inclined upwards along the vertical direction.

In some embodiments, the upper clip 320 and the lower clip 330 are slidably connected to the button threading machine 300 and gradually expand from back to front to form an elastic structure, and the upper clip 320 and/or the lower clip 330 on the button threading machine 300 are connected with the pressing piece 340, the pressing piece 340 presses the upper clip 320 or the pressing piece 340 presses the lower clip 330 or the pressing piece 340 simultaneously presses the upper clip 320 and the lower clip 330, so that the front ends of the upper clip 320 and the lower clip 330 are close to each other to clamp the strap, and the upper clip 320 and the lower clip 330 move together with the strap to feed the strap forward into the round button.

In some embodiments, a blocking and pushing member 470 is disposed between the two clamping arms 420, when the v-shaped buckle is fed into the buckle slot 421, the blocking and pushing member 470 limits the v-shaped buckle to move backward, after the belt is threaded, the clamping device 410 feeds the v-shaped buckle onto the sewing platform, at this time, the blocking and pushing member 470 pushes the v-shaped buckle out of the buckle slot 421, and the pressing foot on the sewing platform presses the v-shaped buckle and the belt for sewing.

In some embodiments, the clip device 410 is connected with a turning power member 480, the turning power member 480 is connected with the clip device 410 through a gear transmission, the turning power member 480 is started to generate a torque, and the clip device 410 is driven to turn 180 degrees through the gear, so that the holes on the splayed buckle which are not threaded are aligned with the threading station. In the actual production process, because the button is a figure eight button, after the front surface is threaded once, the clamping device 410 needs to drive the figure eight button to rotate, and the figure eight button between the two clamping arms 420 is turned over and then threaded, so that in order to ensure the turning precision, the turning power piece 480 and the clamping device 410 need to be driven by a gear, it can be understood that the turning power piece 480 can be a motor or a pneumatic motor or a hydraulic motor, and it should be noted that the turning power piece 480 does not mean that the self can be turned, but drives the clamping device 410 to turn.

In some embodiments, the entrainment device 460 is connected with a shifting device 490, the shifting device 490 comprises a rotary power member 491 and a swinging rod 492, the swinging rod 492 is provided with a connecting hole 493 deviating from the axis of the swinging rod 492, the rotating shaft of the rotary power member 491 is inserted into the connecting hole 493, the entrainment device 460 comprises a telescopic power member 461 connected to the swinging rod 492 and two clamping blocks 462 hinged on the telescopic power member 461, when the inserting sheet 450 pushes the belt into the belt threading hole of the figure eight buckle, the telescopic power member 461 pushes upwards to drive the two clamping blocks 462 to open until the belt falls between the two clamping blocks 462, at this time, the telescopic power member 461 retracts to drive the two clamping blocks 462 to clamp the belt, after that, the rotary power member 491 drives the swinging rod 492 to swing to pull down the belt, the rotary power member 491 and the swinging rod 492 cooperate, the rotary power member 491 can drive the entrainment device 460 to move through the swinging rod 492, so that when the entrainment device, the belt threading movement of the belt threading machine 400 can be avoided during the belt clamping device 460, the mechanical interference is reduced, and the normal operation of the whole belt threading machine 400 is ensured.

In some embodiments, the clamping device 460 may also be a pneumatic clamping jaw, and may also include two clamping rods hinged to each other, the clamping ends of the clamping rods face the clamping device, the connecting ends of the clamping rods are connected to a fifth cylinder, and the fifth cylinder drives the two clamping rods hinged to each other to open and close to realize the clamping function.

In some embodiments, the belt pressing device 430 comprises an upper pressing sheet 431 and a lower pressing sheet 432, the upper pressing sheet 431 and the lower pressing sheet 432 are both hinged on a mounting base 433, the upper pressing sheet 431 and the lower pressing sheet 432 are respectively hinged with a third cylinder 434 and a fourth cylinder 435, when the strap is cut off on the strap threading machine 400 and ready to be threaded, the third cylinder 434 and the fourth cylinder 435 respectively drive the upper pressing piece 431 and the lower pressing piece 432 to close to each other to clamp the strap, so as to prevent the strap from being pushed into the threading hole of the figure eight buckle to be overlong, the upper pressing piece 431 and the lower pressing piece 432 are used for matching and pressing the strap, the strap pressing device 430 has a simple structure, the part for pressing the strap to prevent the strap from penetrating into the figure eight buckle is overlong, which causes inconvenient post trimming and waste of materials, and it should be understood that the strap pressing device 430 is provided with a sheet-shaped strap pressing mechanism, the purpose is to enhance the pressure of the belt pressing device to the belt under the same pressure, so that the belt is not easy to slip; also to simplify the mechanical structure and reduce the volume and space occupied by the belt press, it is noted that the upper press sheet 431 and the lower press sheet 432 are vertically aligned.

It should be noted that the figure eight buckle is a buckle with the shape of Arabic numeral 8.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. A threading method, characterized by comprising the steps of:

turning over, namely turning over the button by 180 degrees by the clamping device;

2. A threading method according to claim 1, characterized in that: the first buckle conveying device comprises a first support, a first motor connected to the first support, a linear motor connected to the first motor, a second motor connected to the linear motor in a sliding manner, and a clamping cylinder connected to the second motor, wherein after the clamping cylinder clamps a round buckle, the first motor rotates to enable the linear motor, the second motor and the clamping cylinder to rotate around the axis of the first motor, the round buckle also generates displacement in the plane of the cross section of the first motor, when the rotating radius of the clamping cylinder in the plane of the cross section of the first motor needs to be increased, the linear motor is started to drive the second motor and the clamping cylinder to slide in the perpendicular direction of the axis of the first motor, and at the moment, the clamping cylinder can extend the round buckle to the clamping piece, the second motor drives the clamping cylinder to rotate, the round buckle is adjusted to enter the position of the clamping piece, and then the round buckle is sent into the clamping piece.

3. A threading method according to claim 1, characterized in that: the second buckle conveying device comprises a second clamping cylinder, a clamping mechanism and a shifting assembly, the second clamping cylinder is connected to the shifting assembly, the second clamping cylinder clamps the splayed buckle, the splayed buckle is conveyed to the clamping mechanism to be horizontally placed through the shifting assembly, two belt penetrating holes of the splayed buckle are vertical, and then the pushing block on the clamping mechanism pushes the splayed buckle to the belt penetrating machine.

4. A threading method according to claim 3, characterized in that: the shifting assembly comprises a second support, a sliding block, an electric cylinder and a first air cylinder, the electric cylinder is connected to the second support, the sliding block is connected to the electric cylinder in a sliding mode, the first air cylinder is arranged on the sliding block, the driving end of the first air cylinder is connected to the second clamping air cylinder, when the second clamping air cylinder clamps the round buckle, the first air cylinder contracts upwards to enable the round buckle to be clamped, and the electric cylinder drives the sliding block and the second clamping air cylinder to slide axially along the electric cylinder to deliver the round buckle to the buckle penetrating machine.

5. A threading method according to claim 4, characterized in that: the clamping mechanism comprises a first clamping block, a second clamping block and a second air cylinder, the first clamping block and the second clamping block are arranged on the second support, the first clamping block is connected with the second clamping block in a sliding mode, the clamping end of the first clamping block is opposite to the clamping end of the second clamping block, when the splayed buckle is sent between the first clamping block and the second clamping block, the second air cylinder drives the second clamping block to slide so that the clamping end of the second clamping block is close to the clamping end of the first clamping block, the splayed buckle is clamped tightly at the moment, and the ejector pad is used for pushing the splayed buckle to the clamping and buckling device.

6. A threading method according to claim 1, characterized in that: the upper clamping piece and the lower clamping piece are connected to the button threading machine in a sliding mode and gradually expand from back to front to form an elastic structure, the upper clamping piece and/or the lower clamping piece on the button threading machine are connected with the pressing piece, the pressing piece presses the upper clamping piece or the pressing piece presses the lower clamping piece or the pressing piece simultaneously presses the upper clamping piece and the lower clamping piece, the front ends of the upper clamping piece and the lower clamping piece are mutually close to clamp a belt, and the upper clamping piece and the lower clamping piece drive the belt to move together to convey the belt into the round button forwards.

7. A threading method according to claim 1, characterized in that: and a blocking and pushing piece is arranged between the two clamping arms, when the splayed buckle is fed into the buckle slot to move backward, the blocking and pushing piece limits the splayed buckle to move backward, after the belt is threaded, the clamping device sends the splayed buckle to the sewing platform, at the moment, the blocking and pushing piece pushes the splayed buckle out of the buckle slot, and a presser foot on the sewing platform presses the splayed buckle and the belt to sew.

8. A threading method according to claim 1, characterized in that: the clamping device is connected with a turning power piece, the turning power piece is connected with the clamping device through gear transmission, the turning power piece is started to generate torque, the clamping device is driven to turn over for 180 degrees through a gear, and holes which are not threaded on the splayed buckle are aligned to the threading station.

9. A threading method according to claim 1, characterized in that: smuggle the device secretly and be connected with the shifter, the shifter includes rotary power spare and pendulum rod, be provided with the connecting hole of skew pendulum rod axis on the pendulum rod, rotary power spare's pivot is inserted the connecting hole, smuggle the device secretly including connecting flexible power spare on the pendulum rod and articulate two clamp splices on the flexible power spare, work as the inserted sheet pushes up the tape during the tape threading hole that eight characters detained, flexible power spare upwards pushes up, drives two the clamp splice opens, falls into two until the tape between the clamp splice, at this moment flexible power spare retracts, drives two the clamp splice presss from both sides tight tape, after this, rotary power spare drive the pendulum rod swing pulls down the tape.

10. A threading method according to claim 1, characterized in that: the belt pressing device comprises an upper pressing sheet and a lower pressing sheet, the upper pressing sheet and the lower pressing sheet are hinged to a mounting seat, the upper pressing sheet and the lower pressing sheet are respectively hinged to a third cylinder and a fourth cylinder, and when a belt is cut off on the belt threading machine and is ready to be threaded, the third cylinder and the fourth cylinder respectively drive the upper pressing sheet and the lower pressing sheet to be close to each other to clamp the belt.