阅读说明：本技术 鞋包缝纫装置 (Shoe bag sewing device ) 是由 郝金红 于 2021-08-27 设计创作，主要内容包括：本发明公开了一种鞋包缝纫装置,包括机架、安装在机架上的具有用于缝纫的机头的缝纫组件、设置在机头上的缝纫机构、安装在缝纫组件上的用于推送面料的推拉组件,还包括视觉画线组件,安装在机架上,通过影像识别对面料进行缝纫轨迹设置；转动机构,设置在机头上,获取视觉画线组件的缝纫轨迹,用于驱动缝纫机构根据缝纫轨迹转动；靠边器,设置在转动机构上,用于调整面料的缝制边距；当转动机构驱动缝纫组件转动时,靠边器与面料边缘保持垂直。本发明能够提高立体鞋形的车缝效率,并且能够脱离人工工艺,让品控得到提升,确保质量较为统一。(The invention discloses a shoe bag sewing device, which comprises a rack, a sewing assembly, a sewing mechanism, a push-pull assembly and a visual line drawing assembly, wherein the sewing assembly is arranged on the rack and provided with a machine head for sewing; the rotating mechanism is arranged on the machine head, acquires the sewing track of the visual line drawing assembly and is used for driving the sewing mechanism to rotate according to the sewing track; the side leaning device is arranged on the rotating mechanism and used for adjusting the sewing edge distance of the fabric; when the rotating mechanism drives the sewing assembly to rotate, the edge leaning device is perpendicular to the edge of the fabric. The invention can improve the sewing efficiency of the three-dimensional shoe shape, can separate from manual process, improves the quality control and ensures that the quality is more uniform.)

1. The shoe bag sewing device comprises a rack, a sewing assembly arranged on the rack and provided with a machine head for sewing, a sewing mechanism arranged on the machine head, and a push-pull assembly arranged on the sewing assembly and used for pushing fabric, and is characterized by further comprising

The visual line drawing assembly is arranged on the rack and used for setting sewing tracks of the fabric through image recognition;

the rotating mechanism is arranged on the machine head, acquires the sewing track of the visual line drawing assembly and is used for driving the sewing mechanism to rotate according to the sewing track;

the side leaning device is arranged on the rotating mechanism and used for adjusting the sewing edge distance of the fabric;

when the rotating mechanism drives the sewing assembly to rotate, the edge leaning device is perpendicular to the edge of the fabric.

2. The shoe bag sewing device according to claim 1, wherein the rotating mechanism comprises a driving part and a rotary table, the machine head is provided with a needle rod, the rotary table and the needle rod are coaxially and rotatably mounted on the machine head, and the driving part is mounted on the machine head and is linked with the rotary table to drive the rotary table to rotate; the edge leaning device and the push-pull assembly are arranged on the rotary table, and when the rotary table rotates, the edge leaning device and the push-pull assembly are driven to rotate.

3. The shoe bag sewing device according to claim 2, wherein the push-pull assembly comprises a transverse reciprocating mechanism and a pushing foot, the transverse reciprocating mechanism and the pushing foot are both arranged on the rotary table, the pushing foot is driven by the transverse reciprocating mechanism to reciprocate, and the transverse reciprocating mechanism can be connected to the rotary table in a way of rotating up and down through a rotating shaft.

4. The shoe bag sewing device according to claim 3, wherein the sewing mechanism comprises a longitudinal reciprocating mechanism and a presser foot, the longitudinal reciprocating mechanism and the presser foot are both arranged on the turntable, the presser foot is used for pressing the fabric, a through hole for the needle rod to pass through is formed in the position, corresponding to the needle rod, of the presser foot, and the longitudinal reciprocating mechanism drives the presser foot and the needle rod to synchronously move up and down; the transverse reciprocating mechanism is linked with the longitudinal reciprocating mechanism, when the longitudinal reciprocating mechanism moves up and down in a reciprocating mode, the transverse reciprocating mechanism is driven to rotate up and down by taking the rotating shaft as an axis, and the pushing foot rotates up and down along with the transverse reciprocating mechanism.

5. The shoe bag sewing device according to claim 4, wherein a lifting platform capable of sliding up and down is provided on a surface of the rotary table facing the fabric, the traverse reciprocating mechanism, the pushing foot, the longitudinal reciprocating mechanism and the presser foot are provided on the lifting platform, the lifting platform is driven to lift by a lifting member, and when the lifting platform is lifted, the traverse reciprocating mechanism, the pushing foot, the longitudinal reciprocating mechanism and the presser foot are lifted and lowered accordingly.

6. The shoe bag sewing device according to claim 1, wherein the edge supporter is connected to the rotary table in a vertically slidable manner, a pressure regulating spring is provided between the rotary table and the edge supporter, and when the edge supporter presses the fabric, the edge supporter regulates the pressure on the fabric by the elastic force of the pressure regulating spring.

7. The shoe bag sewing device according to claim 6, wherein the rotary table is provided with an assembly part for installing the side abutting device, the assembly part comprises a fixed seat fixedly connected to the rotary table and a slide block connected to the fixed seat in a vertically sliding manner, the side abutting device is installed on the slide block in a vertically sliding manner, the fixed seat is provided with a first driving part for driving the slide block to slide vertically on the fixed seat and a second driving part for driving the side abutting device to slide horizontally, one end of the pressure regulating spring is connected to the slide block, and the other end of the pressure regulating spring is connected to the side abutting device.

8. The shoe bag sewing device according to claim 1, 2, 3, 4, 5, 6 or 7, characterized in that the edge supporter is provided with a detecting device for detecting whether the fabric is close to the edge, the detecting device comprises a transmitting part and a receiving part which are both arranged on the edge supporter, and the transmitting part and the receiving part are matched to detect whether the fabric is close to the edge; the receiving component is communicated with the sewing assembly and sends an edge-in-place signal to the sewing assembly.

9. The shoe bag sewing device according to claim 1, 2, 3, 4, 5, 6 or 7, characterized in that a suction cup assembly is arranged on the frame and can move on the frame, and the suction cup assembly is used for sucking and transmitting the fabric; the machine frame is used for placing the fabric, a negative pressure suction assembly is further arranged on the machine frame and comprises a plurality of through holes formed in the machine frame, an air exhaust device matched with the through holes and a conical cover arranged below the through holes, the large end of the conical cover corresponds to the through holes, and the small end of the conical cover is communicated with the air exhaust device.

10. The shoe bag sewing device according to claim 9, wherein the frame is further provided with a template mounting part and an X-axis driving motor and a Y-axis driving motor for driving the template mounting part to move, and the template mounting part is used for clamping and conveying another piece of fabric.

Technical Field

The invention relates to a sewing device, in particular to a shoe bag sewing device with a three-dimensional sewing function.

Background

Because of the reason of the shoemaking process, the edges of a plurality of two pieces of vamp fabrics are not parallel to each other, but the two pieces of fabrics with the edges which are not parallel to each other are overlapped and sewn, the plane is changed into a three-dimensional shoe shape in the sewing process, a plane template cannot be used for fixing automatic sewing, and a scheme of adopting a three-dimensional template is adopted for three-dimensional sewing, but the sewing process needs a large amount of cost, in addition, most of the existing processes need to draw lines firstly and then manually sew the lines by a worker, so that the process is time-consuming and labor-consuming, low in efficiency, incapable of controlling the quality and prone to the condition of uneven quality.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a shoe bag sewing device which can improve the sewing efficiency of a three-dimensional shoe shape, can be separated from manual processes, improves the quality control, ensures that the quality is more uniform, and can reduce the cost compared with the scheme of a three-dimensional template.

In order to achieve the purpose, the invention provides the following technical scheme: a shoe bag sewing device comprises a frame, a sewing assembly arranged on the frame and provided with a machine head for sewing, a sewing mechanism arranged on the machine head, a push-pull assembly arranged on the sewing assembly and used for pushing fabric, and the shoe bag sewing device further comprises

The visual line drawing assembly is arranged on the rack and used for setting sewing tracks of the fabric through image recognition;

the rotating mechanism is arranged on the machine head, acquires the sewing track of the visual line drawing assembly and is used for driving the sewing mechanism to rotate according to the sewing track;

the side leaning device is arranged on the rotating mechanism and used for adjusting the sewing edge distance of the fabric;

when the rotating mechanism drives the sewing assembly to rotate, the edge leaning device is perpendicular to the edge of the fabric.

As a further improvement of the invention, the rotating mechanism comprises a driving part and a turntable, a needle rod is arranged on the machine head, the turntable and the needle rod are coaxial and can be rotatably arranged on the machine head, and the driving part is arranged on the machine head and is linked with the turntable so as to drive the turntable to rotate; the edge leaning device and the push-pull assembly are arranged on the rotary table, and when the rotary table rotates, the edge leaning device and the push-pull assembly are driven to rotate.

As a further improvement of the invention, the push-pull assembly comprises a transverse reciprocating mechanism and a pushing foot, wherein the transverse reciprocating mechanism and the pushing foot are both arranged on the rotary table, the pushing foot is used for pushing the fabric, the transverse reciprocating mechanism drives the pushing foot to reciprocate, and the transverse reciprocating mechanism can be connected to the rotary table in a manner of rotating up and down through a rotating shaft.

As a further improvement of the invention, the sewing mechanism comprises a longitudinal reciprocating mechanism and a presser foot, wherein the longitudinal reciprocating mechanism and the presser foot are both arranged on the turntable, the presser foot is used for pressing the fabric, a through hole for the needle rod to pass through is formed in the position, corresponding to the needle rod, on the presser foot, and the longitudinal reciprocating mechanism drives the presser foot and the needle rod to synchronously move up and down; the transverse reciprocating mechanism is linked with the longitudinal reciprocating mechanism, when the longitudinal reciprocating mechanism moves up and down in a reciprocating mode, the transverse reciprocating mechanism is driven to rotate up and down by taking the rotating shaft as an axis, and the pushing foot rotates up and down along with the transverse reciprocating mechanism.

As a further improvement of the invention, a lifting platform capable of sliding up and down is arranged on one surface of the turntable facing the fabric, the transverse reciprocating mechanism, the pushing foot, the longitudinal reciprocating mechanism and the presser foot are all arranged on the lifting platform, the lifting platform is driven to lift through a lifting component, and when the lifting platform is lifted, the transverse reciprocating mechanism, the pushing foot, the longitudinal reciprocating mechanism and the presser foot are lifted and lowered along with the lifting platform.

As a further improvement of the invention, the edge leaning device is connected to the rotary table in a vertically sliding manner, a pressure regulating spring is arranged between the rotary table and the edge leaning device, and when the edge leaning device presses on the fabric, the edge leaning device regulates the pressure on the fabric through the elasticity of the pressure regulating spring.

As a further improvement of the invention, the turntable is provided with an assembly part for installing the side leaning device, the assembly part comprises a fixed seat fixedly connected to the turntable and a sliding block connected to the fixed seat and capable of sliding up and down, the side leaning device is installed on the sliding block and capable of sliding up and down, the fixed seat is provided with a first driving part for driving the sliding block to slide up and down on the fixed seat and a second driving part for driving the side leaning device to slide in the horizontal direction, one end of the pressure regulating spring is connected to the sliding block, and the other end of the pressure regulating spring is connected to the side leaning device.

As a further improvement of the invention, the edge abutting device is provided with a detection device for detecting whether the fabric abuts against the edge, the detection device comprises a transmitting part and a receiving part which are both arranged on the edge abutting device, and the transmitting part and the receiving part are matched to detect whether the fabric abuts against the edge; the receiving component is communicated with the sewing assembly and sends an edge-in-place signal to the sewing assembly.

As a further improvement of the invention, a sucker component which can move on the frame is arranged on the frame and is used for sucking and conveying the fabric; the machine frame is used for placing the fabric, a negative pressure suction assembly is further arranged on the machine frame and comprises a plurality of through holes formed in the machine frame, an air exhaust device matched with the through holes and a conical cover arranged below the through holes, the large end of the conical cover corresponds to the through holes, and the small end of the conical cover is communicated with the air exhaust device.

As a further improvement of the invention, the frame is also provided with a template mounting part, an X-axis driving motor and a Y-axis driving motor which are used for driving the template mounting part to move, and the template mounting part is used for clamping and transmitting another piece of fabric.

The invention has the advantages that,

1. the shoe bag with the three-dimensional structure can be sewn by arranging the sewing track of the visual line drawing assembly to be matched with the sewing assembly.

2. The sewing track is set through the visual line drawing assembly, the fabric with different radians can be matched for sewing, the sewing of the three-dimensional structure is realized, and the automation with higher efficiency can be realized.

3. The sewing machine can be separated from manual sewing, so that the product control can be improved, the sewing effect can be improved, and the sewing efficiency can be improved.

4. By side ware cooperation slewing mechanism, utilize slewing mechanism's rotation effect, let by side ware support all the time and lean on the edge of surface fabric, and then let and make up the interval and keep unanimous all the time, slewing mechanism carries out the rotation action according to the sewing orbit simultaneously, consequently slewing mechanism can take by side ware to rotate when the pivoted, by side ware can support with the edge of surface fabric all the time and lean on, keep the vertical state, and then the edge distance of making up of guide sewing subassembly keeps unanimous, improve the pleasing to the eye effect of making up, and can let the lines of making up more smooth.

5. Compared with the scheme of adopting a three-dimensional template in the prior art, the method can further reduce the cost.

Drawings

FIG. 1 is a perspective view of the overall structure of the present invention;

FIG. 2 is a schematic front view of the overall structure of the present invention;

FIG. 3 is a schematic view of the structure of the head part of the present invention;

FIG. 4 is a schematic bottom view of the head of the present invention;

FIG. 5 is a perspective view of another perspective of the head part bottom view structure of the present invention;

FIG. 6 is a side view of the head of the present invention;

FIG. 7 is an enlarged view of the part A of FIG. 6;

fig. 8 is a schematic view of the formwork mounting member mechanism of the present invention.

Reference numerals: 1. a frame; 11. a sucker component; 12. a negative pressure suction assembly; 121. an air extraction device; 122. a conical cover; 131. a template mounting member; 132. an X-axis drive motor; 133. a Y-axis drive motor; 2. a machine head; 21. a needle bar; 22. a longitudinal reciprocating mechanism; 23. a presser foot; 3. a sewing assembly; 4. a push-pull assembly; 41. a transverse reciprocating mechanism; 42. pushing the feet; 43. a rotating shaft; 5. a visual line drawing assembly; 6. an edge leaning device; 7. a rotating mechanism; 71. a drive member; 72. a turntable; 721. a pressure regulating spring; 722. an assembly member; 7221. a fixed seat; 7222. a slider; 7223. a drive member; 81. a lifting platform; 82. a lifting member; 91. a transmitting section; 92. a receiving component.

Detailed Description

The invention will be further described in detail with reference to the following examples, which are given in the accompanying drawings.

As shown with reference to figures 1-8,

a shoe bag sewing device comprises a frame 1, a sewing component 3 which is arranged on the frame 1 and is provided with a machine head 2 for sewing, a sewing mechanism arranged on the machine head 2, a push-pull component 4 which is arranged on the sewing component 3 and is used for pushing fabrics, and the shoe bag sewing device also comprises

The visual line drawing assembly 5 is installed on the rack 1 and used for setting sewing tracks of the fabric through image recognition;

the rotating mechanism 7 is arranged on the machine head 2, acquires the sewing track of the visual line drawing assembly 5 and is used for driving the sewing mechanism to rotate according to the sewing track;

the side abutting device 6 is arranged on the sewing mechanism and used for adjusting the sewing edge distance of the fabric;

when the rotating mechanism 7 drives the machine head 2 to rotate, the edge leaning device 6 is vertical to the edge of the fabric.

In the above scheme, frame 1 mainly is a platform that lets sewing subassembly 3 carry out work, adopts vision setting-out subassembly 5 to treat the surface fabric of making up and discerns, catches and carries out image processing through the image to carry out prefabricated line orbit coordinate to the image after handling, maps the sewing circuit of settlement, matches sewing circuit and image, and then obtains the sewing orbit of treating making up on the current surface fabric, and the sewing orbit of discerning transmits for sewing subassembly 3, and sewing subassembly 3 makes up the surface fabric according to this orbit. The shoe bag is generally composed of two pieces of fabrics, one of the shoe bag corresponds to a toe cap, the other corresponds to a vamp, the two pieces of fabrics need to form a three-dimensional structure when being sewn, when the sewing tracks are matched, the sewing tracks of the two pieces of fabrics are the same, so the length of the two pieces of fabrics is also the same, but the parts corresponding to the vamp are generally shorter in fabric length and longer in corresponding toe cap length, at the moment, the two pieces of fabrics need to be sewn, the length of the toe cap can be compressed to the length of the inclined plane, so the toe cap can naturally form the three-dimensional structure, the sewing tracks are arranged through the visual line drawing assembly 5, the fabrics with different radians can be matched and sewn, further, the three-dimensional structure sewing can be realized, the efficient automation can be realized, the specific line drawing scheme can adopt the following mode, the materials A are parallelly retracted by 1 mm according to the edges, the corresponding line drawing lengths are obtained, then on the material B, translate until the same length is obtained, and obtain the coordinates X and Y of each point of this line. Adopt the mode of making up of template among the prior art, can only be to planar making up, also have the making up to the toe cap of shoe bag among the prior art of course, but the mode of making up among the prior art is stereotyped the surface fabric of toe cap through three-dimensional folder, then the mode of making up through the plane is sewed up, this kind is sewed up inefficiency, need manual operation surface fabric centre gripping, because this scheme still needs manual operation, consequently most producers still directly adopt the manual work to make up, this kind of make up can appear that the product control is poor, make up the effect unsightly, make up the inefficiency scheduling problem.

Wherein, the setting of the edge leaning device 6 can keep the sewing edge distance consistent, so that the sewing is more beautiful. And lean on limit ware 6 can cooperate slewing mechanism 7, utilize slewing mechanism 7's rotation effect, let lean on limit ware 6 to lean on the edge of surface fabric all the time, and then let the interval of making up remain unanimous all the time, slewing mechanism 7 carries out the rotation action according to the sewing orbit simultaneously, consequently slewing mechanism 7 can take and lean on limit ware 6 to rotate when the pivoted, consequently lean on limit ware 6 to lean on with the edge of surface fabric all the time, keep the vertical state, and then the edge distance of making up of guide sewing subassembly 3 keeps unanimous, improve the pleasing to the eye effect of making up, and can let the lines of making up more smooth.

It should be noted that the sewing assembly 3 is a conventional assembly, and includes a component for driving the needle bar 21 to sew and a controller, the controller receives the sewing track of the visual line drawing assembly 5 and controls the rotating mechanism 7; the visual line drawing assembly 5 is in the prior art, performs image capture through an area-array camera, analyzes the image, matches a preset track on the image, obtains the track of a curve on a coordinate after dividing the coordinate, and completes the sewing of the track through the coordinate.

The rotating mechanism 7 comprises a driving part 71 and a turntable 72, the handpiece 2 is provided with the needle bar 21, the turntable 72 and the needle bar 21 are coaxial and can be rotatably installed on the handpiece 2, and the driving part 71 is installed on the handpiece 2 and is linked with the turntable 72 so as to drive the turntable 72 to rotate; the edge supporter 6 and the push-pull assembly 4 are arranged on the rotary disc 72, and when the rotary disc 72 rotates, the edge supporter 6 and the push-pull assembly 4 are driven to rotate.

The driving part 71 may be a motor, which may be a stepping motor or a servo motor; the motor can be linked with the rotating disc 72 through a gear, when the driving part 71 drives the rotating disc 72 to rotate back and forth, the edge supporter 6 and the pushing device can be driven to rotate, and the pushing of the pushing foot 42 ensures that the edge supporter 6 is vertical to the edge of the fabric. The push-pull assembly 4 is driven to rotate, and meanwhile, the push direction can be changed, so that the sewn line is a smoother curve. The turntable 72 can be rotated about the needle bar 21 so that the turntable 72 is coaxial with the needle bar 21.

Specifically, in order to improve the sewing effect, the turntable 72 is provided with a longitudinal reciprocating mechanism 22 and a presser foot 23 for pressing the fabric, a through hole for the needle bar 21 to pass through is formed in the position of the presser foot 23 corresponding to the needle bar 21, and the longitudinal reciprocating mechanism 22 drives the presser foot 23 to move up and down synchronously with the needle bar 21.

The presser foot 23 reciprocates with the needle bar 21 in step, be convenient for push-and-pull subassembly 4 propelling movement surface fabric, keep synchronous up-and-down motion through vertical reciprocating mechanism 22 and needle bar 21, can ensure that presser foot 23 also is in the downstream while needle bar 21 is moving down, needle bar 21 begins to puncture the surface fabric and makes up when presser foot 23 is holding down the surface fabric, utilize presser foot 23 can let needle bar 21 puncture surface fabric when the surface fabric can not walk the off-set, and then improve and make up the effect, vertical reciprocating mechanism 22 can adopt the reciprocal compressor among the prior art, utilize the one-way pivoted mode of motor to carry out reciprocating motion, it is more convenient in the drive.

In addition, the push-pull assembly 4 comprises a transverse reciprocating mechanism 41 arranged on the turntable 72 and a pushing foot 42 used for pushing the fabric, the transverse reciprocating mechanism 41 drives the pushing foot 42 to reciprocate, the transverse reciprocating mechanism 41 can be connected to the turntable 72 in a manner of rotating up and down through a rotating shaft 43, the transverse reciprocating mechanism 41 is linked with the longitudinal reciprocating mechanism 22, when the longitudinal reciprocating mechanism 22 reciprocates up and down, the transverse reciprocating mechanism 41 is driven to rotate up and down by taking the rotating shaft 43 as an axis, and the pushing foot 42 rotates up and down along with the transverse reciprocating mechanism 41.

The pushing foot 42 can be carried by the transverse reciprocating mechanism 41 to transversely reciprocate for pushing the fabric. By the cooperation of the transverse reciprocating mechanism 41 and the longitudinal reciprocating mechanism 22, when the longitudinal reciprocating mechanism 22 moves up and down, the transverse reciprocating mechanism 41 can be driven to rotate up and down by taking the rotating shaft 43 as an axis, the pushing foot 42 can also rotate up and down along with the vertical rotation of the transverse reciprocating mechanism 41, the pushing foot 42 can be matched with the presser foot 23 by the vertical rotation mode, when the presser foot 23 moves down, the pushing foot 42 moves down to be attached to the fabric, in the process, the pushing action of the pushing foot 42 is before the presser foot 23 touches the fabric downwards, the transverse reciprocating mechanism 41 drives the pushing foot 42 to move, and then the fabric is pushed, and the next sewing point reaches the lower part of the needle rod 21. The matching mode can avoid conflict between the pushing foot 42 and the presser foot 23, and the longitudinal reciprocating mechanism 22 and the transverse reciprocating mechanism 41 are used for linkage, so that the work can be more stable, the matching between the presser foot 23 and the pushing foot 42 is more stable, and the fabric is not damaged due to conflict.

In addition, for the convenience of operation, a lifting platform 81 capable of sliding up and down is arranged on one surface of the rotary disc 72 facing the fabric, the transverse reciprocating mechanism 41, the pushing foot 42, the longitudinal reciprocating mechanism 22 and the presser foot 23 are all arranged on the lifting platform 81, the lifting platform 81 is driven to lift through a lifting component 82, and when the lifting platform 81 is lifted up and down, the transverse reciprocating mechanism 41, the pushing foot 42, the longitudinal reciprocating mechanism 22 and the presser foot 23 are lifted up and down along with the lifting platform.

When threading or changing the needle on needle bar 21 or changing the eedle on needle bar 21, can drive lift platform 81 through lifting unit 82, let lift platform 81 upwards lift up, can let the operating space bigger this moment, the user of being convenient for maintains, wherein lifting unit 82 can adopt cylinder or electric push rod, lift platform 81 then can adopt the cooperation of locating lever and platform board, the locating lever is fixed on carousel 72, platform board sliding connection is on the locating lever, the platform board is playing the locating lever and is moving on the locating lever.

In another preferred embodiment, the edge supporter 6 is connected to the rotary plate 72 in a vertically slidable manner, a pressure regulating spring 721 is disposed between the rotary plate 72 and the edge supporter 6, and when the edge supporter 6 presses the fabric, the edge supporter 6 adjusts the pressure on the fabric by the elastic force of the pressure regulating spring 721.

By the side ware 6 and the carousel 72 between pressure regulating spring 721 can utilize pressure regulating spring 721 to cushion when the side ware 6 pushes down on the surface fabric, through pressure regulating spring 721's elasticity adjustment buffer pressure, and then the adjustment is to the pressure of surface fabric, avoids the too big surface fabric damage that leads to of pressure to the surface fabric.

Furthermore, the turntable 72 is provided with a fitting 722 for installing the sideguard 6, the fitting 722 comprises a fixed seat 7221 fixedly connected to the turntable 72 and a slider 7222 connected to the fixed seat 7221 and capable of sliding up and down, the sideguard 6 is installed on the slider 7222 and capable of sliding up and down, the fixed seat 7221 is provided with a first driving member 7223 for driving the slider 7222 to slide up and down on the fixed seat 7221 and a second driving member for driving the sideguard 6 to slide in the horizontal direction, one end of the pressure regulating spring 721 is connected to the slider 7222, and the other end of the pressure regulating spring 721 is connected to the sideguard 6.

When the border device 6 needs to be adjusted or the fabric needs to be placed, the driving piece 7223 can be used for driving the sliding block 7222 to slide up and down on the fixing seat 7221, the position of the border device 6 is adjusted, the thickness of the fabric can be adjusted, the border device 6 can slide up and down on the sliding block 7222 by matching with the pressure regulating spring 721, and the pressure of the border device 6 on the fabric is adjusted. The position that leans on limit ware 6 can be adjusted to cooperation second driving piece, and then adapts to the different position of making, when making up orbit and marginal interval great, can adjust the position that leans on limit ware 6 and carry out the adaptation.

As a further optimization, a detection device for detecting whether the fabric is close to the edge is arranged on the edge abutting device 6, the detection device comprises an emitting component 91 and a receiving component 92 which are both arranged on the edge abutting device 6, and the emitting component 91 and the receiving component 92 are matched to detect whether the fabric is close to the edge; the receiving member 92 communicates with the sewing assembly 3 and sends an edge in-place signal to the sewing assembly 3.

The controller can drive the part for driving the needle bar 21 according to the in-place signal, if the in-place signal does not exist, the fabric is not in place, the sewing position does not correspond at the moment, the part for driving the needle bar 21 is controlled to pause driving, and the fabric is waited to be in place, wherein the waiting can be the pushing of the push-pull assembly 4 or the manual operation. The in-place signal can be used for detecting the condition that the fabric is not placed under the machine head 2.

In addition, the fabric can be pushed and pulled through the push-pull assembly 4, the fabric can be moved or rotated by pushing or pulling the push-pull assembly 4, after the fabric is moved or rotated, the transmitting part 91 and the receiving part 92 are matched to detect that the fabric leans on the side, and the sewing assembly 3 can execute sewing action at the moment, so that the side leaning effect and the sewing effect are ensured.

Both the transmitting part 91 and the receiving part 92 may employ a receiving module and a transmitting module of an infrared sensor, and may of course be fiber optic modules. Can let the effect of making up further obtain promoting through above scheme, also make things convenient for the control to lean on limit ware 6 and the edge of surface fabric to remain perpendicular all the time.

As an additional expanded embodiment, a sucker assembly 11 which can move on the frame 1 is arranged on the frame 1, and the sucker assembly 11 is used for sucking and conveying the fabric; the negative pressure suction assembly 12 is further arranged at the position, used for placing the fabric, of the machine frame 1, the negative pressure suction assembly 12 comprises a plurality of through holes formed in the machine frame 1, an air extractor 121 matched with the through holes, and a conical cover 122 arranged below the through holes, the large end of the conical cover 122 corresponds to the position of the through holes, and the small end of the conical cover is communicated with the air extractor 121.

The sucking disc subassembly 11 can be transported the surface fabric through the mode that the negative pressure was absorb, has avoided the damage of surface fabric, also after sucking disc subassembly 11 transports the surface fabric, can carry out the negative pressure through-hole cooperation negative pressure suction subassembly 12 on the frame 1 and attract, makes its position can not squint. The air extractor 121 is matched with the conical cover 122, so that negative pressure suction air flow can be concentrated, and the suction effect on the fabric is further improved.

As a further expanded embodiment, the frame 1 is further provided with a template mounting part 131, and an X-axis driving motor 132 and a Y-axis driving motor 133 for driving the template mounting part 131 to move, wherein the template mounting part 131 is used for clamping and conveying another piece of fabric.

The fabric can move along with the template mounting part 131 through the X-axis driving motor 132 and the Y-axis driving motor 133, the template mounting part 131 moves in cooperation with a track line in coordinates, and the needle rod 21 can be matched with the moving process to sew the shoe bag according to the sewing track. And the template installation part 131 can also clamp the fabric, in this embodiment the template installation part 131 can clamp the vamp part with a larger area, and the vamp part is attracted by the sucker for transferring. The X-axis drive motor 132 and the Y-axis drive motor 133 may better match the coordinates and make the coordination with the visual line-drawing assembly 5 more reliable.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.