阅读说明：本技术 一种布料锁边切断缝合机 (Cloth serging, cutting and sewing machine ) 是由 冯孝金 何凯 于 2020-10-31 设计创作，主要内容包括：本发明所述的布料锁边切断缝合机,包括安装结构,安装结构上依次设有放料单元、裁切单元、缝纫单元、定位单元、旋转折叠单元、切断单元、以及布料缝合单元；旋转折叠单元包括用于夹持布料的夹持机构、与夹持机构连接、且旋转轴线与送料方向垂·直的旋转机构、与旋转机构连接的活动机构；夹持机构夹持布料通过活动机构为布料折叠提供空间,旋转机构带动夹持机构翻转用于改变布料折叠方向,上述部件位置变化实现长布料折叠。本发明活动机构位置变化实现长布料一个回合的折叠,折叠过程中通过旋转机构转向,折叠布料的长度由活动机构所确定的空间决定,使得本装置适合长度较长的布料的折叠。(The invention relates to a cloth serging, cutting and sewing machine which comprises an installation structure, wherein a discharging unit, a cutting unit, a sewing unit, a positioning unit, a rotary folding unit, a cutting unit and a cloth sewing unit are sequentially arranged on the installation structure; the rotary folding unit comprises a clamping mechanism for clamping cloth, a rotating mechanism which is connected with the clamping mechanism and has a rotating axis vertical to the feeding direction, and a movable mechanism connected with the rotating mechanism; the clamping mechanism clamps the cloth and provides a space for folding the cloth through the moving mechanism, the rotating mechanism drives the clamping mechanism to overturn so as to change the folding direction of the cloth, and the position change of the parts realizes the folding of the long cloth. The position of the movable mechanism is changed to fold the long cloth for one round, the rotating mechanism is turned during the folding process, and the length of the folded cloth is determined by the space determined by the movable mechanism, so that the folding device is suitable for folding the long cloth.)

1. The utility model provides a cloth serging cuts off sewing machine which characterized in that: the cloth sewing machine comprises an installation structure (100), wherein a feeding unit (10), a cutting unit (20), a sewing unit (30), a positioning unit (40), a rotary folding unit (50), a cutting unit (60) and a cloth sewing unit (70) are sequentially arranged on the installation structure (100);

the rotary folding unit (50) comprises a clamping mechanism (51) for clamping cloth, a rotating mechanism (52) which is connected with the clamping mechanism (51) and has a rotating axis vertical to the feeding direction, and a movable mechanism (53) which is connected with the rotating mechanism (52);

the clamping mechanism (51) clamps the cloth and provides a space for folding the cloth through the movable mechanism (53), the rotating mechanism (52) drives the clamping mechanism (51) to overturn so as to change the folding direction of the cloth, and the position change of the parts realizes the folding of the long cloth.

2. The cloth serging, cutting and sewing machine of claim 1, wherein: the rotating mechanism (52) comprises a rotating driving device (521) and a rotating transmission mechanism (522), and the clamping mechanism (51) is connected with the rotating mechanism (52) through the rotating transmission mechanism (522).

3. The cloth serging, cutting and sewing machine of claim 1, wherein: the movable mechanism (53) comprises a lifting mechanism (531) and a translation mechanism (532) which are respectively connected with the rotating mechanism (52); the lifting mechanism (531) comprises a lifting support structure (5311) and a lifting sliding mechanism (5312) connected with the lifting support structure (5311), and the rotating mechanism (52) is connected with the lifting mechanism (531) through the lifting sliding mechanism (5312).

4. The cloth serging, cutting and sewing machine of claim 3, wherein: the translation mechanism (532) comprises a translation support frame (5321) and a translation sliding mechanism (5322), and the rotation mechanism (52) is connected with the translation support frame (5321) through the translation sliding mechanism (5322).

5. The cloth serging, cutting and sewing machine of claim 1, wherein: the clamping mechanism (51) comprises a clamping pushing device (511) and a clamping plate assembly (512) which are connected in sequence; the clamping pushing device (511) comprises an air cylinder, and the clamping plate assembly (512) comprises a movable clamping plate (5121) connected with the piston end of the air cylinder and a fixed clamping plate (5122) matched with the movable clamping plate (5121).

6. The cloth serging, cutting and sewing machine of claim 1, wherein: the positioning unit (40) comprises a counter (41) arranged on the mounting structure (100) and a support frame main body (42) used for supporting the counter, the counter comprises a counter shell (411) connected with the support frame main body (42), a following piece (412) which is rotatably connected with the counter shell (411) and can be abutted against cloth, and a counting element (413) electrically connected with the following piece (412); the following piece (412) is abutted to the cloth to rotate synchronously, and the counting element (413) records the number of rotation turns of the following piece (412) so as to realize the metering and positioning of the length of the cloth.

7. The cloth serging, cutting and sewing machine of claim 6, wherein: the positioning unit (40) further comprises a lifting device (42), the lifting device (42) comprises a mounting part (421) connected with the mounting structure (100), a lifting driving device (422) and a movable part (423) connected with the counter shell (411), and the counter shell (411) is movably connected with the support frame main body (42); the movable part (423) rises to drive the counter shell (411) to rise, and the following piece (412) rises to provide a gap for introducing cloth.

8. The cloth serging, cutting and sewing machine of claim 7, wherein: the lifting driving device (422) comprises a movable rod (4221) and a pushing device (4222) which is connected with the movable rod (4221) and used for providing telescopic power; the movable rod (4221) is connected with the counter shell (411) through a movable part (423), and the pushing device (4222) is connected with the support frame main body (42) through an installation part (421).

9. The cloth serging, cutting and sewing machine of claim 1, wherein: the sewing unit (30) comprises a sewing device (31), and the sewing device (31) comprises a sewing part (311), a power part (312), a tension part (313) and a transmission part (314); the power part (312) comprises a power device (3121) and a power mounting structure (3122) for mounting the power device (3121), and the power device (3121) comprises an output shaft (3123) which is passed through the power mounting structure (3122); the tensioning portion (313) comprises a tensioning member (3131), the tensioning member (3131) being connected to the power mounting structure (3122) by a resilient member (315); the sewing part (311) includes a sewing head (3111); the transmission part (314) comprises a synchronizing wheel (3141) connected with the output shaft (3123), a machine head presser foot (3142) arranged close to the sewing machine head (3111), an idler wheel (3143) connected with the tensioning piece (3131) and a conveying belt (3144), and the conveying belt (3144) is connected with the synchronizing wheel (3141), the machine head presser foot (3142) and the idler wheel (313); when the conveying belt (3144) transmits power and vibrates to contract, the tensioning piece (3131) resists the contraction moment of the conveying belt (3144) to be tensioned outwards, so that the conveying belt can stably transmit power.

10. The cloth serging, cutting and sewing machine of claim 9, wherein: the idler wheel (3143) is connected with the tensioning piece (3131) through an idler wheel rotating shaft assembly; the idler rotating shaft assembly comprises an idler connecting shaft (316) and an idler bearing (317) sleeved with the idler connecting shaft (316).

Technical Field

The invention relates to the technical field of cloth sewing devices, in particular to a cloth serging, cutting and sewing machine.

Background

The mattress is an article used between the human body and the bed board to ensure that consumers can sleep healthily and comfortably. The sides of the mattress are typically sewn with foxing, also called borders, having a width substantially corresponding to the thickness of the mattress and surrounding the mattress along the sides of the mattress.

The common mattress side surrounding strip on the market is processed in the following mode: the material is firstly serging by a machine, then the position of the handle needing to be sewed and the position of the air hole of the trademark are measured manually, then the required length is measured manually and cut off, then the handle is sewed, and finally the splicing is carried out. Such a procedure has the disadvantages that: the processing procedures are multiple, the length and the size of manual measurement are not standard, and the efficiency is low; the number of required machines is large, the occupied area is large, and the cost is high; the processing procedure is complex, the technical requirement is high, and 5 persons are needed to finish the processing of the foxing. Particularly, the length of the foxing needs to be straightened, and then the measurement is carried out, because the length of the foxing is longer, errors exist in straightening, and in addition, the errors are further enlarged through manual operation, so that the production efficiency of the product is low, and the product quality is uneven.

In order to improve the production efficiency, in the prior art CN 109650135A-a conveying and folding mechanism for automatically receiving material cloth folding, a motor is adopted to operate to drive a roller shaft to rotate an outer cylinder, the cloth passes through a roller to slide downwards through the outer cylinder to place the surface of a material plate, an external control valve controls an air passage of an air cylinder in a timing cycle manner, the air cylinder makes a support basket swing to the right through a connecting pin shaft after being ventilated, the external control valve reverses to make the air cylinder contract inwards to make the support basket swing to the left, and the support basket moves back and forth to make the outer cloth folded on the surface of the material plate. However, the technical scheme has small space for stacking the cloth due to the limitation of the vertical swing amplitude of the rotating shaft, and is not suitable for folding the cloth with longer length.

Disclosure of Invention

The invention aims to provide a cloth serging, cutting and sewing machine aiming at the defects and shortcomings.

In order to achieve the purpose, the invention adopts the following specific technical scheme:

the invention relates to a cloth serging, cutting and sewing machine which comprises an installation structure, wherein a discharging unit, a cutting unit, a sewing unit, a positioning unit, a rotary folding unit, a cutting unit and a cloth sewing unit are sequentially arranged on the installation structure; the rotary folding unit comprises a clamping mechanism for clamping cloth, a rotating mechanism connected with the clamping mechanism and having a rotating axis vertical to the feeding direction, and a movable mechanism connected with the rotating mechanism; the clamping mechanism clamps the cloth and provides a space for folding the cloth through the moving mechanism, the rotating mechanism drives the clamping mechanism to overturn for changing the folding direction of the cloth, and the position change of the parts realizes the folding of the long cloth.

Preferably, the rotating mechanism comprises a rotation driving device and a rotation transmission mechanism, and the clamping mechanism is connected with the rotating mechanism through the rotation transmission mechanism.

Preferably, the movable mechanism comprises a lifting mechanism and a translation mechanism which are respectively connected with the rotating mechanism; the lifting mechanism comprises a lifting support structure and a lifting sliding mechanism connected with the lifting support structure, and the rotating mechanism is connected with the lifting mechanism through the lifting sliding mechanism.

Preferably, the translation mechanism comprises a translation support frame and a translation sliding mechanism, and the rotation mechanism is connected with the translation support frame through the translation sliding mechanism.

Preferably, the clamping mechanism comprises a clamping pushing device and a clamping plate assembly which are connected in sequence; the clamping and pushing device comprises an air cylinder, and the clamping plate assembly comprises a movable clamping plate connected with the piston end of the air cylinder and a fixed clamping plate matched with the movable clamping plate.

Preferably, the positioning unit comprises a counter arranged on the mounting structure and a support frame main body used for supporting the counter, the counter comprises a counter shell connected with the support frame main body, a following piece which is rotatably connected with the counter shell and can be abutted against the cloth, and a counting element electrically connected with the following piece; the following piece is abutted to the cloth to rotate synchronously, and the counting element records the number of rotation turns of the following piece so as to realize the metering and positioning of the length of the cloth.

Preferably, the positioning unit further comprises a lifting device, the lifting device comprises an installation part connected with the installation structure, a lifting driving device and a movable part connected with the counter shell, and the counter shell is movably connected with the support frame main body; the movable part rises to drive the counter shell to rise, and the following piece rises to provide a gap for introducing the cloth.

Preferably, the lifting driving device comprises a movable rod and a pushing device connected with the movable rod and used for providing telescopic power; the movable rod is connected with the counter shell through a movable part, and the pushing device is connected with the support frame main body through an installation part.

Preferably, the sewing unit includes a sewing device including a sewing portion, a power portion, a tension portion, and a transmission portion; the power part comprises a power device and a power installation structure for installing the power device, and the power device comprises an output shaft penetrating through the power installation structure; the tensioning part comprises a tensioning piece, and the tensioning piece is connected with the power mounting structure through an elastic piece; the sewing part comprises a sewing machine head; the transmission part comprises a synchronizing wheel connected with the output shaft, a machine head presser foot arranged close to the sewing machine head, an idler wheel connected with the tensioning piece, and a conveying belt, and the conveying belt is connected with the synchronizing wheel, the machine head presser foot and the idler wheel; when the conveyer belt transmits power and vibrates and contracts, the tensioning piece resists the contraction moment of the conveyer belt and is tensioned outwards so as to realize stable and stable transmission of power by the conveyer belt.

Preferably, the idler wheel is connected with the tension member through an idler wheel rotating shaft assembly; the idler rotating shaft assembly comprises an idler connecting shaft and an idler bearing sleeved with the idler connecting shaft.

Compared with the prior art, the invention has the following beneficial effects:

according to the invention, the clamping mechanism clamps the cloth, a top accommodating space is provided for folding the cloth through the movable mechanism, and the rotating mechanism drives the clamping mechanism to overturn for changing the folding direction of the cloth. The position of the components is changed to realize folding of the long cloth in one round, and the length of the folded cloth is determined by the space determined by the movable mechanism, so that the folding device is suitable for folding of the long cloth.

On the basis, the translation mechanism moves along the feeding direction, the lifting mechanism moves upwards to drive the rotating mechanism to ascend so as to provide a top space for folding the cloth, the rotating mechanism drives the clamping mechanism to overturn so as to change the folding direction of the cloth, and the translation mechanism drives the rotating mechanism to return to the original position in the horizontal direction.

In addition, the following piece is abutted to the cloth to rotate synchronously, and the counting element records the number of rotation turns of the following piece so as to realize the measurement and the positioning of the length of the cloth. Because follow the piece and directly contact with the cloth, avoided in the conventional art to set up the spreading roller that causes on spreading device's spreading roller with the technical ware and the counting error that the cloth skidded and arouses. The invention has the advantages of accurate positioning, small error and high product quality.

In addition, when the power transmitted by the conveying belt is vibrated and contracted, the tensioning piece resists the contraction moment of the conveying belt and is tensioned outwards, so that the stable and stable power transmission of the conveying belt is realized. Through the tensioning unit who sets up tensioning piece, idler to reduce belt vibration, reach stable transmission power, improve production quality, extension device life's effect.

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

Drawings

Fig. 1 is a schematic view of the overall structure in the preferred embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a rotary folding device in a preferred embodiment of the present invention.

Fig. 3 is a schematic view of a part a of the enlarged structure in fig. 2.

Fig. 4 is a schematic structural diagram of a positioning unit in the preferred embodiment of the present invention.

Fig. 5 is a schematic diagram of a circuit control structure of a positioning unit according to a preferred embodiment of the present invention.

Fig. 6 is a schematic view illustrating a sewing unit according to a preferred embodiment of the present invention.

Fig. 7 is a schematic view of a part of the enlarged structure at B in fig. 6.

Fig. 8 is a schematic structural view of a head adjusting and conveying device in a preferred embodiment of the invention.

Fig. 9 is a schematic view of another angle handpiece adjustment delivery apparatus in accordance with a preferred embodiment of the present invention.

Description of reference numerals:

100 mounting structure,

10 a discharging unit,

20 a cutting unit,

30 sewing unit, 31 sewing device, 311 sewing part, 3111 sewing head, 312 power part, 3121 power device, 3122 power mounting structure, 3123 output shaft, 313 tension part, 3131 tension member, 314 transmission part, 3141 synchronous wheel, 3142 head presser foot, 3143 idle wheel, 3144 conveying belt, 315 elastic member, 316 idle wheel connecting shaft, 317 idle wheel bearing,

40 positioning unit, 41 counter, 411 counter shell, 412 follower, 413 counting element, 42 pulling device, 421 mounting part, 422 pulling driving device, 4221 movable rod, 4222 pushing device, 423 movable part, 43 support frame body, 44 cloth pulling device, 45 cutting unit, 46 controller,

50 rotary folding units, 51 clamping mechanisms, 511 clamping pushing devices, 512 clamping plate assemblies, 5121 movable clamping plates, 5122 fixed clamping plates, 52 rotating mechanisms, 521 rotary driving devices, 522 rotary transmission mechanisms, 53 movable mechanisms, 531 lifting mechanisms, 5311 lifting support structures, 5312 lifting sliding mechanisms, 532 translation mechanisms, 5321 translation support frames, 5322 translation sliding mechanisms, 532 translation support frames,

60 a cutting unit,

70 cloth sewing units,

The machine head adjusting and conveying device is 80, the guide sliding block is 81, the screw rod sliding block is 82, the machine head is fixed by 83, and the machine head is moved by 84.

Detailed Description

The present invention is further explained and illustrated by the following embodiments, which should be understood to make the technical solution of the present invention clearer and easier to understand, and not to limit the scope of the claims.

As shown in fig. 1 to 3, the fabric serging, cutting and sewing machine of the present invention includes an installation structure 100, wherein the installation structure 100 is sequentially provided with a feeding unit 10, a cutting unit 20, a sewing unit 30, a positioning unit 40, a rotary folding unit 50, a cutting unit 60, and a fabric sewing unit 70; the rotary folding unit 50 comprises a clamping mechanism 51 for clamping cloth, a rotating mechanism 52 which is connected with the clamping mechanism 51 and has a rotating axis vertical to the feeding direction, and a movable mechanism 53 connected with the rotating mechanism 52; the clamping mechanism 51 clamps the cloth and provides a space for folding the cloth through the movable mechanism 53, the rotating mechanism 52 drives the clamping mechanism 51 to overturn for changing the folding direction of the cloth, and the position change of the parts realizes the folding of the long cloth.

In a preferred embodiment, the rotation mechanism 52 includes a rotation driving device 521 and a rotation transmission mechanism 522, and the gripping mechanism 51 and the rotation mechanism 52 are connected by the rotation transmission mechanism 522. Specifically, the rotation driving device comprises a cylinder, and the rotation transmission mechanism comprises a rotating shaft.

In the preferred embodiment, the movable mechanism 53 includes a lifting mechanism 531, and a translation mechanism 532 respectively connected to the rotating mechanism 52; the lifting mechanism 531 includes a lifting support structure 5311 and a lifting slide mechanism 5312 connected to the lifting support structure 5311, and the rotating mechanism 52 is connected to the lifting mechanism 531 via the lifting slide mechanism 5312. Specifically, the lifting slide mechanism comprises a lifting guide rail and a lifting slide block matched with the lifting guide rail. The clamping mechanism clamps the cloth and moves along the feeding direction through the translation mechanism, the lifting mechanism moves upwards to drive the rotating mechanism to ascend so as to provide a top space for folding the cloth, the rotating mechanism drives the clamping mechanism to overturn so as to change the folding direction of the cloth, and the translation mechanism drives the rotating mechanism to return to the original position in the horizontal direction.

In a preferred embodiment, the translating mechanism 532 includes a translating support frame 5321, and a translating slide mechanism 5322, and the rotating mechanism 52 is coupled to the translating support frame 5321 via the translating slide mechanism 5322. Specifically, the translation sliding mechanism comprises a translation sliding rail and a translation sliding block matched with the translation sliding rail.

In the preferred embodiment, the clamping mechanism 51 includes a clamping pusher 511, and a cleat assembly 512 connected in series; the clamping pushing device 511 includes a cylinder, and the clamping plate assembly 512 includes a movable clamping plate 5121 connected to a piston end of the cylinder, and a fixed clamping plate 5122 engaged with the movable clamping plate 5121.

As shown in fig. 4, in a preferred embodiment, the positioning unit 40 includes a counter 41 disposed on the mounting structure 100, and a support frame main body 42 for supporting the counter, the counter includes a counter housing 411 connected to the support frame main body 42, a follower 412 rotatably connected to the counter housing 411 and capable of abutting against the cloth, and a counting element 413 electrically connected to the follower 412; the follower 412 is abutted to the cloth to rotate synchronously, and the counting element 413 records the rotation number of turns of the follower 412 so as to realize the measurement and the positioning of the length of the cloth. In a preferred embodiment, the positioning unit 40 further comprises a pulling device 42, the pulling device 42 comprises a mounting portion 421 connected with the mounting structure 100, a pulling driving device 422, and a movable portion 423 connected with the counter housing 411, which are connected in sequence, and the counter housing 411 is movably connected with the support frame main body 42; the movable portion 423 rises to drive the counter shell 411 to rise, so that the following piece 412 rises to provide a gap for introducing the cloth.

In a preferred embodiment, the lifting driving means 422 comprises a movable rod 4221, and a pushing means 4222 connected with the movable rod 4221 for providing a telescopic power; the movable rod 4221 is connected to the counter housing 411 via the movable portion 423, and the pusher 4222 is connected to the support frame body 42 via the mounting portion 421. Specifically, the movable rod 4221 is hinged with the counter housing 411, and the end of the pushing device 4222 is hinged with the support frame main body 42; the counter housing 411 is hinged to the support frame body 42.

As shown in fig. 6 to 7, in a preferred embodiment, the sewing unit 30 includes a sewing device 31, and the sewing device 31 includes a sewing portion 311, a power portion 312, a tension portion 313, and a transmission portion 314; the power portion 312 comprises a power device 3121 and a power mounting structure 3122 for mounting the power device 3121, the power device 3121 comprises an output shaft 3123 penetrating through the power mounting structure 3122; the tensioning portion 313 includes a tensioning member 3131, the tensioning member 3131 being connected to the power mounting structure 3122 by an elastic member 315; the sewing portion 311 includes a sewing machine head 3111; the transmission part 314 comprises a synchronous wheel 3141 connected with the output shaft 3123, a machine head presser foot 3142 arranged close to the sewing machine head 3111, an idle wheel 3143 connected with a tensioning member 3131, and a conveying belt 3144, wherein the conveying belt 3144 is connected with the synchronous wheel 3141, the machine head presser foot 3142 and the idle wheel 313; when the conveying belt 3144 transmits power to vibrate and contract, the tensioning member 3131 is outwardly tensioned against the contraction moment of the conveying belt 3144 to achieve stable smooth power transmission of the conveying belt. In a preferred embodiment, the idler 3143 is connected to the tensioner 3131 by an idler shaft assembly; the idler shaft assembly includes an idler connection shaft 316 and an idler bearing 317 that is journaled to the idler connection shaft 316. Specifically, the idler connecting shaft 316 is fixedly connected to the tension member 3131, and the idler bearing 317 is coaxially provided on the idler 3143.

As shown in fig. 8 to 9, the present invention further includes a moving head assembly 80 including a fixed head 83, and a screw slider 82 and a guide slider 81 to realize a width-adjustable moving head 84.

The working mode of the invention is as follows:

the cloth passes through the discharging unit 10, the cutting unit 20, the sewing unit 30, the positioning unit 40, the rotary folding unit 50, the cutting unit 60, and the cloth sewing unit 70 in sequence.

In the sewing unit 30, when the conveying belt 3144 vibrates and contracts in transmitting power, the tensioning member 3131 is outwardly tensioned against the contraction moment of the conveying belt 3144 to realize stable and smooth power transmission of the conveying belt. Through the tensioning unit provided with the tensioning piece 3131 and the idler pulley 3143, the vibration of the belt 3144 is reduced, and the effects of stably transmitting power, improving the production quality and prolonging the service life of the device are achieved.

In the positioning unit 40, the follower 412 abuts against the cloth to rotate synchronously, and the counting element 413 records the rotation number of the follower 412 so as to realize the measurement and positioning of the length of the cloth. Because the following piece 412 directly contacts with the cloth, avoided setting up the counter in the prior art and having avoided the granny rag roller that causes on the granny rag roller of granny rag device and the count error that the cloth skidded and arouses. The method has the advantages of accurate positioning, small error and high product quality. As further shown in fig. 5, the counting element 413 is electrically connected to the cloth spreading device 44 and the cutting unit 60 through the controller 46. In the preferred embodiment, the counting unit and the controller are conventional and commercially available objects, and the counting element and the controller are not improved.

In the rotary folding unit 50, the translation mechanism 532 moves along the feeding direction, the lifting mechanism 431 moves upwards to drive the rotating mechanism 52 to ascend so as to provide a top space for folding the cloth, the rotating mechanism 52 drives the clamping mechanism 51 to overturn so as to change the cloth folding direction, and the translation mechanism 532 drives the rotating mechanism 52 to return to the original position in the horizontal direction.

While the present invention has been described by way of examples, and not by way of limitation, other variations of the disclosed embodiments, as would be readily apparent to one of skill in the art, are intended to be within the scope of the present invention, as defined by the claims.