CN114855374B

CN114855374B - Umbrella face automatic sewing intelligent numerical control machine tool

Info

Publication number: CN114855374B
Application number: CN202210363684.6A
Authority: CN
Inventors: 丁敬堂; 许进鹏; 丁海波; 周迎迎; 蔡栋梁
Original assignee: Straits Jinjiang Umbrella Science And Technology Innovation Center Co ltd
Current assignee: Strait Jinjiang Technology Innovation Center Co ltd
Priority date: 2022-04-07
Filing date: 2022-04-07
Publication date: 2024-02-02
Anticipated expiration: 2042-04-07
Also published as: CN114855374A

Abstract

The invention relates to the technical field of umbrella processing, and provides an umbrella face automatic sewing intelligent numerical control machine tool which is reasonable in structural design, easy to operate and capable of realizing automatic sewing of triangular plates, and the umbrella face automatic sewing intelligent numerical control machine tool comprises a frame, wherein an operation table for the sewing edges of triangular plates to be laid flat for sewing is arranged on the frame, and a feeding mechanism for automatically grabbing two triangular plates to enable the sewing edges of the two triangular plates and the three plates to be aligned and overlapped and automatically pressing and conveying the triangular plates after the triangular plates are aligned and a sewing mechanism for automatically receiving the triangular plates and driving the triangular plates to be automatically sewn on arc edges are sequentially arranged on the operation table.

Description

Umbrella face automatic sewing intelligent numerical control machine tool

Technical Field

The invention relates to the technical field of umbrella face machining, in particular to an intelligent numerical control machine tool for automatically sewing an umbrella face.

Background

Umbrella is used as daily necessities, and the sales volume of the umbrella is large every year. Because of the special structure of the umbrella, the current umbrella manufacture is mainly processed manually, and the automation level in the industry is less than 30 percent. The umbrella cloth is made by sewing together a plurality of triangular cloth, in order to adapt to the umbrella framework which is bent after being opened, the sewing edges of the triangular cloth are arc-shaped, and the sewing track between the triangular cloth is arc-shaped. Thus, the sewing of umbrella cloth has remained to date with semi-automatic sewing of manually operated sewing devices. One piece of umbrella cloth is sewn by five to eight pieces of triangular cloth, so that the sewing amount of the umbrella cloth is huge, and the number of sewing equipment and the number of manpower are greatly required.

Disclosure of Invention

Therefore, aiming at the problems, the invention provides the umbrella face automatic sewing intelligent numerical control machine tool which has reasonable structural design and simple operation and can realize automatic sewing of the triangular plates.

In order to solve the technical problems, the intelligent numerical control machine tool for automatically sewing the umbrella cover comprises a frame, wherein an operation table for laying and sewing the sewing edges of the triangular cloth is arranged on the frame, and a feeding mechanism for automatically grabbing two triangular cloths to enable the sewing edges of the two triangular cloths to be aligned and overlapped and automatically pressing and conveying the triangular cloths after the triangular cloths are aligned and a sewing mechanism for automatically receiving the triangular cloths and driving the triangular cloths to carry out arc edge automatic sewing are sequentially arranged on the operation table.

The further improvement is that: the feeding mechanism used for conveying the triangular cloth and sucking the triangular cloth is arranged in front of the feeding mechanism on the frame, and the placing position imaging mechanism used for recognizing the triangular cloth, shooting and imaging and analyzing the triangular cloth is arranged above the feeding mechanism.

The further improvement is that: and a blanking mechanism used for conveying the stitched triangular cloth to the next station is arranged behind the stitching mechanism on the frame.

The further improvement is that: the feeding mechanism comprises a first lower pressing block arranged on the operating platform, a first upper pressing block arranged above the first lower pressing block and capable of being pressed or loosened with the first lower pressing block, a first lower synchronous belt is wound on the first lower pressing block, a first upper synchronous belt is wound on the first upper pressing block, a first driving device used for driving the first lower synchronous belt to act is arranged on the frame, a second driving device used for driving the first upper synchronous belt to act is arranged on the first upper pressing block, a third driving mechanism used for driving the first upper pressing block to press or loosen the triangular cloth from the first lower pressing block and moving to a position, which is not right above the first lower pressing block, so as to prevent the triangular cloth from being placed, and a grabbing mechanism used for automatically grabbing the triangular cloth and placing one side of the triangular cloth on the first lower synchronous belt is arranged on the side of the first lower pressing block.

The further improvement is that: the utility model discloses a synchronous roller, including briquetting, first hold-in range, first briquetting both ends rotatable be provided with first hold-in range respectively down, first hold-in range is located on the first hold-in range down, first upper briquetting both ends rotatable be provided with first upper synchronous roller respectively, first upper synchronous belt is located around on the first upper synchronous roller.

The further improvement is that: the first upper synchronous belt and the first lower synchronous belt are respectively double-sided sawtooth synchronous belts which are mutually meshed.

The further improvement is that: the first driving device comprises a first motor and a first driving roller, the shell of the first motor is fixedly arranged on the frame, the first driving roller is rotatably arranged on the frame, the rotating shaft of the first motor is connected with the first driving roller, and the first lower synchronous belt is wound on the first driving roller.

The further improvement is that: the second driving device comprises a second motor and a second driving roller, the shell of the second motor is fixedly arranged on the first upper pressing block, the second driving roller is rotatably arranged on the first upper pressing block, the rotating shaft of the second motor is connected with the second driving roller, and the first upper synchronous belt is wound on the second driving roller.

The further improvement is that: the third driving mechanism comprises a mounting plate obliquely arranged on the frame, a driving plate capable of sliding along the direction of the mounting plate and arranged on the mounting plate, a first upper pressing block is arranged on the driving plate, and a guiding device for guiding the driving plate to slide along the direction of the mounting plate and a third driving device for driving the driving plate to slide are arranged on the mounting plate.

The further improvement is that: the guide device comprises guide rails arranged at two end parts of the driving plate and arranged on the mounting plate, and guide blocks which are slidably matched with the guide rails are slidably arranged on the driving plate.

The further improvement is that: the third driving device comprises a third driving air cylinder, a shell of the third driving air cylinder is fixedly arranged on the mounting plate along the direction parallel to the mounting plate, and a piston rod of the third driving air cylinder is arranged on the driving plate.

The further improvement is that: the grabbing mechanism comprises a first mechanical arm and a second mechanical arm, one end of the first mechanical arm can be horizontally rotated and arranged on the frame, the second mechanical arm can be horizontally rotated and arranged at the free end of the first mechanical arm, a grabbing rod used for grabbing triangle cloth through negative pressure adsorption is arranged at the free end of the second mechanical arm in a vertical translation mode, an air extraction channel connected with an external air extraction pump is arranged in the grabbing rod, a plurality of air extraction grooves which are respectively communicated with the air extraction channel are formed in the lower end face of the grabbing rod, a first rotating device used for driving the first mechanical arm to rotate is arranged on the frame, a second rotating device used for driving the second mechanical arm to rotate is arranged at the free end of the first mechanical arm, and a lifting device used for driving the grabbing rod to vertically translate is arranged at the free end of the second mechanical arm.

The further improvement is that: the first rotating device is a first hollow rotating platform, a shell of the first hollow rotating platform is fixedly arranged on the frame, and the first mechanical arm is fixedly arranged on a rotary table of the first hollow rotating platform.

The further improvement is that: the second rotating device is a second hollow rotating platform, the shell of the first hollow rotating platform is fixedly arranged on the free end of the first mechanical arm, and the second mechanical arm is fixedly arranged on the rotary table of the second hollow rotating platform.

The further improvement is that: and sensing devices which are used for sensing the rotation reset of the first mechanical arm and the second mechanical arm and enabling the grabbing rod to reset to a position parallel to the first lower synchronous belt and right above the first lower synchronous belt are respectively arranged between the first mechanical arm and the frame and between the first mechanical arm and the second mechanical arm.

The further improvement is that: the lifting device is an air cylinder, the shell of the air cylinder is vertically and fixedly arranged at the free end of the second mechanical arm, and the grabbing rod is horizontally arranged at the free end of the piston rod of the air cylinder.

The further improvement is that: the sewing mechanism comprises a feeding device for automatically pressing and receiving the two aligned triangular cloths and automatically sewing and pushing the two triangular cloths, and a sewing device for automatically sewing the arc edges of the triangular cloths in an edge-folding and edge-curling mode.

The further improvement is that: the feeding device comprises a second lower pressing block and a second upper pressing block, wherein the second lower pressing block is arranged on the operating platform, the second upper pressing block can be pressed or loosened with the second lower pressing block and is arranged above the second lower pressing block, a second lower synchronous belt is wound on the second lower pressing block, a second upper synchronous belt is wound on the second upper pressing block, and a fifth driving device for driving the second upper pressing block to be pressed or loosened with the second lower pressing block, adjusting the interval between the second upper pressing block and the second lower pressing block to adapt to triangular cloth with different thicknesses and driving the second lower synchronous belt and the second upper synchronous belt to synchronously press the triangular cloth to convey and feed is arranged on the frame.

The further improvement is that: the second lower pressing block is characterized in that two ends of the second lower pressing block are respectively rotatably provided with a second lower synchronous roller, a second lower synchronous belt is wound on the second lower synchronous roller, two ends of the second upper pressing block are respectively rotatably provided with a second upper synchronous roller, and the second upper synchronous belt is wound on the second upper synchronous roller.

Further improvements is as follows: the second upper synchronous belt and the second lower synchronous belt are respectively double-sided sawtooth synchronous belts which are mutually meshed.

The further improvement is that: the fourth driving device comprises a first mounting block, a second mounting block and a fourth air cylinder, wherein the first mounting block is arranged on the frame, the second mounting block is arranged on the second upper pressing block, a shell of the fourth air cylinder is fixedly arranged on the upper end face of the second mounting block, a piston rod of the fourth air cylinder penetrates through the second mounting block and is arranged on the first mounting block, and a guiding device used for guiding the second upper pressing block to move up and down along the vertical direction and to be pressed or loosened with the second lower pressing block is arranged between the first mounting block and the two end parts of the second mounting block.

The further improvement is that: the guiding device is a telescopic rod, one end of the telescopic rod is fixedly arranged on the second installation block, and the other end of the telescopic rod is fixedly arranged on the first installation block.

The further improvement is that: the fifth driving device comprises a fifth motor, a shell of the fifth motor is fixedly arranged on the frame, a third driving roller is rotatably arranged on the frame, a rotating shaft of the fifth motor is connected with the third driving roller, a second lower synchronous belt is wound on the third driving roller, a first gear is synchronously rotated on the second lower synchronous roller, and a second gear which is engaged with or disengaged from the first gear along with the engagement and transmission of a second upper pressing block and a second lower pressing block is synchronously rotated on the second upper synchronous roller.

The further improvement is that: the sewing device comprises a mounting seat, the mounting seat is fixedly arranged on the frame, a sewing machine is arranged on the mounting seat in a sliding manner along the direction of a vertical second pressing block, a hemming die for guiding the automatic folding and sewing edge of the triangular cloth to perform hemming and sewing is arranged at the feeding end of a sewing table of the sewing machine, and a sixth driving device for driving the sewing machine to slide is arranged on the frame.

The further improvement is that: the sixth driving device comprises a sixth motor and a sliding plate, a shell of the sixth motor is fixedly arranged on the frame, a screw rod perpendicular to the second pressing block is connected to a rotating shaft of the sixth motor, the free end of the screw rod is rotatably arranged on the frame, a fixed block is arranged on the lower end face of the sliding plate, a thread bush is fixedly arranged on the fixed block, the screw rod is meshed and arranged in the thread bush in a penetrating mode, the sewing machine is arranged on the sliding plate, and a sliding guide device for guiding the sliding plate to slide stably is arranged between the sliding plate and the mounting seat.

The further improvement is that: the sliding guide device comprises sliding rails which are respectively arranged at two ends of the screw rod, a sliding block is arranged on the sliding rails in a sliding mode, and the sliding plate is arranged on the sliding block.

The further improvement is that: the feeding mechanism comprises a plurality of first conveying rollers which are rotatably arranged on the frame, a first conveying belt is wound on the first conveying rollers, a flattening device for flattening the tail end of the triangular cloth and conveying the first conveying belt is arranged at the feeding end of the first conveying belt, and a seventh driving device for driving the first conveying belt to convey the triangular cloth which is placed at intervals from front to back is arranged on the frame.

The further improvement is that: the flattening device comprises a flattening roller rotatably arranged on a frame of the feeding end of the first conveying belt, and a seventh driving device for driving the flattening roller and the conveying direction of the first conveying belt to rotate reversely is arranged on the frame and used for driving the first conveying belt to convey a triangular cloth which is placed at intervals from front to back.

The further improvement is that: the seventh driving device comprises a third gear which is arranged on the first conveying roller on the feeding end of the first conveying belt and synchronously rotates with the first conveying roller, a fourth gear which is synchronously rotated on the flattening roller and is meshed with the third gear in the reverse rotation mode, a seventh motor is arranged on the frame, a shell of the seventh motor is fixedly arranged on the frame, and a rotating shaft of the seventh motor is connected with the first conveying roller on the feeding end of the first conveying belt.

The further improvement is that: the imaging mechanism comprises an intelligent processing system, a camera and a scanning frame, wherein the intelligent processing system is provided with a picture analysis and identification triangular cloth, the triangular cloth is used for imaging and analysis of the placement position of the sewing edge of the triangular cloth, the camera is arranged above the first conveyor belt, the scanning frame is arranged above the first conveyor belt, bottoms of two ends of the scanning frame are respectively arranged on the frames on two sides of the first conveyor belt, the camera is fixedly arranged on the scanning frame, and the camera is in signal connection with the intelligent processing system.

The further improvement is that: the blanking mechanism comprises a plurality of second conveying rollers which are rotatably arranged on the frame, a second conveying belt is wound on the second conveying rollers, and an eighth driving device for driving the second conveying belt to convey the stitched triangular cloth is arranged on the frame.

The further improvement is that: the eighth driving device comprises an eighth motor, a shell of the eighth motor is fixedly arranged on the frame, and a rotating shaft of the eighth motor is connected with the second conveying roller.

By adopting the technical scheme, the invention has the beneficial effects that:

1. the traditional umbrella cloth triangle cloth stitching is to stitch the arc edge by manually taking, aligning and manually adjusting the radian by a sewing machine, the work load is large, but the efficiency is low, and the manual fatigue is easy to be caused by high action repeatability in the sewing process, and the fingers are easy to be pierced by the sewing needle of the sewing machine with little attention. According to the invention, the automatic mechanical sewing replaces manual taking of the triangular cloth and automatic arc edge sewing of the pair Ji Sanjiao cloth, and the triangular cloth is automatically pushed to break through the limitation of low automation degree of the industry, so that the automatic sewing is well replaced by manual realization, the sewing efficiency is improved, and the labor cost is greatly reduced.

2. According to the invention, the grabbing rod replaces manual grabbing of the triangular cloth and automatically aligns and folds the two triangular cloths, so that the alignment work of the triangular cloths before sewing is greatly improved, and the sewing efficiency is improved.

3. The first mechanical arm and the second mechanical arm can be quickly and automatically reset under the cooperation of the first infrared sensor and the second infrared sensor, and the grabbing efficiency is improved.

4. The first upper pressing block slides outwards in an inclined manner, so that the arrangement of the triangular cloth is avoided, and the alignment arrangement of the two triangular cloths is facilitated.

5. And the second lower synchronous belt and the second upper synchronous belt are synchronously clamped and aligned to form the triangular cloth, the triangular cloth is conveyed to the sewing machine, and meanwhile, the sewing machine is used for sewing and adjusting the position to realize the arc-shaped edge sewing of the triangular cloth, so that manual sewing is replaced, the automatic sewing of the triangular cloth is realized, the industry automation level is improved, and the sewing efficiency is improved.

Drawings

Fig. 1 is a schematic top view of an intelligent numerical control machine tool for automatically sewing umbrella covers according to an embodiment of the invention.

Fig. 2 is a schematic side view structure of an intelligent numerical control machine tool for automatically sewing umbrella covers according to an embodiment of the invention.

Fig. 3 is a schematic top view structure of a feeding mechanism and a sewing mechanism in the umbrella fabric automatic sewing intelligent numerical control machine tool according to the embodiment of the invention.

Fig. 4 is a schematic side view of a feeding mechanism and a sewing mechanism in the umbrella fabric automatic sewing intelligent numerical control machine tool according to the embodiment of the invention.

Fig. 5 is a schematic diagram of a three-dimensional structure of a feeding mechanism and a sewing mechanism in the umbrella fabric automatic sewing intelligent numerical control machine tool according to the embodiment of the invention.

Fig. 6 is a schematic diagram of a three-dimensional structure of a feeding mechanism and a sewing mechanism in the umbrella fabric automatic sewing intelligent numerical control machine tool according to the embodiment of the invention.

Fig. 7 is a schematic structural view of a grabbing rod in an intelligent numerical control machine tool for automatically sewing umbrella covers according to an embodiment of the invention.

Fig. 8 is an enlarged view of a partial structure at a in the intelligent numerical control machine tool for automatically sewing the umbrella cover according to the embodiment of the invention of fig. 2.

Description of the embodiments

The invention will now be further described with reference to the drawings and specific examples.

Referring to fig. 1 to 8, the embodiment of the invention discloses an automatic umbrella cover sewing intelligent numerical control machine tool, which comprises a frame 10, wherein an operation table 11 for the sewing edges of the triangular cloth to be laid flat for sewing is arranged on the frame 10, and a feeding mechanism for automatically grabbing two triangular cloths to align the sewing edges of the two three cloths and pressing and conveying the triangular cloths after the triangular cloths are aligned and a sewing mechanism for receiving the triangular cloths and driving the triangular cloths to be sewn in an arc shape are sequentially arranged on the operation table 11. The sewing mechanism comprises a feeding device for automatically pressing and receiving the two aligned triangular cloths and automatically sewing and pushing the two triangular cloths, and a sewing device for automatically sewing the arc edges of the triangular cloths in an edge-folding and edge-curling mode. The feeding mechanism used for conveying the triangular cloth and sucking the triangular cloth is arranged on the frame 10 and positioned in front of the feeding mechanism, and the imaging mechanism used for recognizing the triangular cloth and shooting imaging and analyzing the placement position of the triangular cloth is arranged above the feeding mechanism. A blanking mechanism for conveying the stitched triangle cloth to the next station is arranged on the frame 10 and behind the stitching mechanism.

The feeding mechanism comprises a first lower pressing block 12 arranged on the operating table 11, and a first upper pressing block 13 arranged above the first lower pressing block 12 and capable of being pressed or loosened with the first lower pressing block 12, wherein the two ends of the first lower pressing block 12 are respectively and rotatably provided with a first lower synchronous roller, a first lower synchronous belt 14 is wound between the first lower synchronous rollers, the two ends of the first upper pressing block 13 are respectively and rotatably provided with a first upper synchronous roller, a first upper synchronous belt 15 is wound between the first upper synchronous rollers, and the first upper synchronous belt 15 and the first lower synchronous belt 14 are respectively mutually meshed double-sided sawtooth synchronous belts. The machine frame 10 is provided with a first driving device for driving the first lower synchronous belt 14 to act, the first upper pressing block 13 is provided with a second driving device for driving the first upper synchronous belt 15 to act, the machine frame 10 is provided with a third driving mechanism for driving the first upper pressing block 13 and the first lower pressing block 12 to press or loosen and move the triangular cloth from the first lower pressing block 12 to a position which is not right above the first lower pressing block 12 so as to prevent the triangular cloth from being placed, and the machine frame 10 is provided with a grabbing mechanism for automatically grabbing the triangular cloth to place one side of the sewing edge of the triangular cloth on the first lower synchronous belt 14 on the side edge of the first lower pressing block 12.

The first driving device comprises a first motor and a first driving roller 17, a shell of the first motor is fixedly arranged on the frame 10, the first driving roller 17 is rotatably arranged on the frame 10, a rotating shaft of the first motor is connected with the first driving roller 17, and the first lower synchronous belt 14 is wound on the first driving roller 17. The second driving device comprises a second motor 18 and a second driving roller 19, a shell of the second motor is fixedly arranged on the first upper pressing block 13, the second driving roller 19 is rotatably arranged on the first upper pressing block 13, a rotating shaft of the second motor 18 is connected with the second driving roller 19, and the first upper synchronous belt 15 is wound on the second driving roller 19.

The third driving mechanism comprises a mounting plate 20 obliquely arranged on the frame 10, and a driving plate 21 slidably arranged on the mounting plate 20 along the direction parallel to the mounting plate 20, the first upper pressing block 13 is arranged on the driving plate 21, and the mounting plate 20 is provided with a guiding device for guiding the driving plate 21 to slidably move along the direction parallel to the mounting plate 20 and a third driving device for driving the driving plate 21 to slidably move. The guide device comprises guide rails 22 arranged at two ends of the driving plate 21 and arranged on the mounting plate 20, and guide blocks 23 which are slidably matched with the guide rails 22 are slidably arranged on the driving plate 21. The third driving device comprises a third driving air cylinder 24, a shell of the third driving air cylinder 24 is fixedly arranged on the mounting plate 20 along the direction parallel to the mounting plate 20, and a piston rod of the third driving air cylinder 24 is arranged on the driving plate 21.

The grabbing mechanism comprises a first mechanical arm 25 and a second mechanical arm 26, one end of the first mechanical arm 25 can horizontally rotate and is arranged on the frame 10, the second mechanical arm 26 can horizontally rotate and is arranged at the free end of the first mechanical arm 25, a grabbing rod 27 for grabbing triangular cloth through negative pressure absorption is arranged at the free end of the second mechanical arm 26 in a vertical translation mode, an air suction channel 28 connected with an external air suction pump is arranged in the grabbing rod, an air suction hose of the external air suction pump is communicated with the air suction channel 28, a plurality of air suction grooves 29 which are respectively communicated with the air suction channel 28 are formed in the lower end face of the grabbing rod, a first rotating device for driving the first mechanical arm 25 to rotate is arranged on the frame 10, a shell of the first hollow rotating platform 30 is fixedly arranged on the frame 10, and the first mechanical arm 25 is fixedly arranged on a turntable of the first hollow rotating platform 30. The free end of the first mechanical arm 25 is provided with a second rotating device for driving the second mechanical arm 26 to rotate, the second rotating device is a second hollow rotating platform 31, a shell of the first hollow rotating platform 30 is fixedly arranged on the free end of the first mechanical arm 25, and the second mechanical arm 26 is fixedly arranged on a turntable of the second hollow rotating platform 31. The free end of the second mechanical arm 26 is provided with a lifting device for driving the gripping rod to translate up and down. The lifting device is an air cylinder 32, a shell of the air cylinder 32 is vertically and fixedly arranged on the free end of the second mechanical arm 26, and the grabbing rod is horizontally arranged on the free end of a piston rod of the air cylinder 32.

And sensing devices for sensing the rotation and reset of the first mechanical arm 25 and the second mechanical arm 26 to enable the grabbing rods to grab the triangular cloth and reset to the position parallel to the first lower synchronous belt 14 and right above the first lower synchronous belt 14 are respectively arranged between the first mechanical arm 25 and the frame 10 and between the first mechanical arm 25 and the second mechanical arm 26. The sensing device comprises a first infrared sensor 33 and a second infrared sensor 34, wherein a shell of the first infrared sensor 33 is fixedly arranged on a shell side wall of the first hollow rotating platform 30, a trigger piece of the first infrared sensor 33 is arranged on a rotary table side wall of the first hollow rotating platform 30, a shell of the second infrared sensor 34 is fixedly arranged on a shell side wall of the second hollow rotating platform 31, and a trigger piece of the second infrared sensor 34 is arranged on a rotary table side wall of the second hollow rotating platform 31. When the first mechanical arm 25 and the second mechanical arm 26 are reset to the positions where the two triggering pieces are respectively triggered to the first infrared sensor 33 and the second infrared sensor 34, the grabbing rod 27 grabs the triangular cloth and resets to the position which is right above the first pressing block 12 and is parallel to the first pressing block 12.

The feeding device comprises a second lower pressing block 35 and a second upper pressing block 36, the second lower pressing block 35 is arranged on the operating table 11, the second upper pressing block 36 can be pressed or loosely arranged above the second lower pressing block 35 with the second lower pressing block 35, two ends of the second lower pressing block 35 are respectively and rotatably provided with a second lower synchronous roller, a second lower synchronous belt 37 is wound between the second lower synchronous rollers, two ends of the second upper pressing block 36 are respectively and rotatably provided with a second upper synchronous roller, a second upper synchronous belt 38 is wound between the second upper synchronous rollers, and the second upper synchronous belt 38 and the second lower synchronous belt 37 are respectively double-sided saw-tooth synchronous belts which are mutually meshed. The frame 10 is provided with a fourth driving device for driving the second upper pressing block 36 to press or loosen the second lower pressing block 35 to adjust the distance between the second upper pressing block 36 and the second lower pressing block 35 so as to adapt to the triangular cloth with different thickness, and a fifth driving device for driving the second lower synchronous belt 37 and the second upper synchronous belt 38 to synchronously press the triangular cloth for conveying and feeding.

The fourth driving device comprises a first mounting block 39, a second mounting block 40 and a fourth air cylinder 41, the first mounting block 39 is arranged on the frame 10, the second mounting block 40 is arranged on the second upper pressing block 36, a shell of the fourth air cylinder 41 is fixedly arranged on the upper end face of the second mounting block 40, a piston rod of the fourth air cylinder 41 penetrates through the second mounting block 40 to be arranged on the first mounting block 39, and a guiding device for guiding the second upper pressing block 36 to move up and down along the vertical direction and press or loosen the second lower pressing block 35 is arranged between the first mounting block 39 and the second mounting two ends. The guiding device is a telescopic rod 42, one end of the telescopic rod 42 is fixedly arranged on the second mounting block 40, and the other end of the telescopic rod 42 is fixedly arranged on the first mounting block 39.

The fifth driving device comprises a fifth motor, a shell of the fifth motor is fixedly arranged on the frame 10, a third driving roller 44 is rotatably arranged on the frame 10, a rotating shaft of the fifth motor is connected with the third driving roller 44, a second lower synchronous belt 37 is wound on the third driving roller 44, a first gear 45 is synchronously rotated on the second lower synchronous roller, and a second gear 46 which is meshed with the first gear 45 to be transmitted or separated along with the clamping or loosening of the second upper pressing block 36 and the second lower pressing block 35 is synchronously rotated on the second upper synchronous roller.

The sewing device comprises a mounting seat 47, the mounting seat 47 is fixedly arranged on the frame 10, a sewing machine 48 is arranged on the mounting seat 47 in a sliding manner along the direction perpendicular to the second pressing block 35, a hemming die 49 for guiding the automatic hemming and sewing edge of the triangular cloth to perform hemming and sewing is arranged at the feeding end of a sewing table of the sewing machine 48, and a sixth driving device for driving the sewing machine 48 to slide is arranged on the frame 10.

The sixth driving device comprises a sixth motor 50 and a sliding plate 51, a shell of the sixth motor 50 is fixedly arranged on the frame 10, a screw rod 52 perpendicular to the second pressing block 35 is connected to a rotating shaft of the sixth motor 50, a free end of the screw rod 52 is rotatably arranged on the frame 10, a fixed block is arranged on the lower end face of the sliding plate 51, a threaded sleeve is fixedly arranged on the fixed block, the threaded sleeve is a nut, the nut is fixedly arranged on the fixed block, the screw rod 52 is meshed and penetrates through the threaded sleeve, the sewing machine 48 is arranged on the sliding plate 51, and a sliding guide device for guiding the sliding plate 51 to slide stably is arranged between the sliding plate 51 and the mounting seat 47. The sliding guide device comprises sliding rails 55 respectively arranged at two ends of the screw rod 52, a sliding block 56 is slidably arranged on the sliding rails 55, and the sliding plate 51 is arranged on the sliding block 56.

The feeding mechanism comprises a plurality of first conveying rollers 57 rotatably arranged on the frame 10, a first conveying belt 58 is wound on the first conveying rollers 57, a flattening device for flattening the tail end of the triangular cloth for conveying the first conveying belt 58 is arranged at the feeding end of the first conveying belt 58, and a seventh driving device for driving the first conveying belt 58 to convey the triangular cloth placed at intervals in the front-back direction is arranged on the frame 10.

The flattening device comprises a flattening roller 59 rotatably arranged on the frame 10 at the feeding end of the first conveyor belt 58, and a seventh driving device for driving the first conveyor belt 58 to convey a triangle cloth placed at intervals in the front-back direction and simultaneously driving the flattening roller 59 to rotate in the opposite direction to the conveying direction of the first conveyor belt 58 is arranged on the frame 10. The seventh driving device comprises a third gear 60 which is arranged on a first conveying roller 57 on the feeding end of the first conveying belt 58 and rotates synchronously with the first conveying roller 57, a fourth gear 61 which is meshed with the third gear 60 and rotates reversely is arranged on the flattening roller 59 in a synchronous rotation mode, a seventh motor 62 is arranged on the frame 10, a shell of the seventh motor 62 is fixedly arranged on the frame 10, and a rotating shaft of the seventh motor 62 is connected with the first conveying roller 57 on the feeding end of the first conveying belt 58.

The imaging mechanism comprises an intelligent processing system, a camera 63 and a scanning frame 64, wherein the intelligent processing system is provided with a picture analysis and identification triangular cloth, the triangular cloth is used for imaging and analysis of the placement position of the sewing edge of the triangular cloth, the camera 63 is arranged above the first conveying belt 58, the scanning frame 64 is arranged above the first conveying belt, bottoms of two ends of the scanning frame are respectively arranged on the frames 10 on two sides of the first conveying belt 58, the camera 63 is fixedly arranged on the scanning frame 64, and the camera 63 is in signal connection with the intelligent processing system. The first motor, the second motor 18, the third driving cylinder, the first hollow rotating platform 30, the second hollow rotating platform 31, the cylinder 32, the first infrared sensor 33, the second infrared sensor 34, the fourth cylinder 41, the fifth motor, the sewing machine 48, the sixth motor 50, the seventh motor 62 and the external air pump are all in signal connection with the intelligent processing system.

The blanking mechanism comprises a plurality of second conveying rollers 65 rotatably arranged on the frame 10, a second conveying belt 66 is wound on the second conveying rollers 65, and an eighth driving device for driving the second conveying belt 66 to convey the sewn triangular cloth is arranged on the frame 10. The eighth driving device comprises an eighth motor 67, a shell of the eighth motor 67 is fixedly arranged on the frame 10, a rotating shaft of the eighth motor 67 is connected with the second conveying roller 65, and the eighth motor 67 is in signal connection with the intelligent processing system.

The using method of the umbrella face automatic sewing intelligent numerical control machine tool comprises the following steps:

the triangular cloth is placed on the first conveying belt 58 at intervals from front to back by manual work or a mechanical arm, the short sides of the grabbing triangular cloth are attached to the first conveying belt 58 during placement, and the triangular cloth is unfolded flatly along with the conveying of the first conveying belt 58 under the reverse rotation action of the flattening roller 59, so that the follow-up operation is facilitated.

As the first conveyor 58 conveys, the triangle cloth passes under the camera 63, the camera 63 shoots the triangle cloth for a plurality of times, and feeds back a plurality of shot pictures to the intelligent processing system, the intelligent processing system analyzes and identifies the triangle sheet and the front and back sides of the triangle sheet, and images and analyzes the position and the inclination angle of the triangle cloth sewing edge of the triangle sheet, and controls the first hollow rotating platform 30 and the second hollow rotating platform 31 to drive the first mechanical arm 25 and the second mechanical arm 26 to act according to the analysis result so as to drive the grabbing rod 27 to move above the triangle cloth sewing edge, so that the angle of the grabbing rod is adapted to the placement angle of the triangle cloth sewing edge, then the intelligent processing system controls the cylinder 32 to drive the grabbing rod 27 to descend and simultaneously controls the external sucking pump to work to suck the triangle cloth, the rear cylinder 32 is reset, then the first hollow rotating platform 30 is controlled to drive the first mechanical arm 25 to reset to the position where the trigger piece is triggered to the first infrared sensor 33, then the cylinder drives the grabbing rod to descend to a position higher than the first lower synchronous belt 14, meanwhile, the second hollow rotating platform 31 drives the second mechanical arm 26 to rotate and reset to the position where the trigger piece is triggered to the second infrared sensor 34, the grabbing rod 27 grabs the triangular cloth to reset to the position right above the first lower pressing block 12 and parallel to the first lower pressing block 12, then the cylinder drives the grabbing rod 27 to descend again, the air pump stops working, the triangular cloth is released on the first lower synchronous belt 14, the first triangular cloth can be laid on the operating table 11 in a tiling mode, and the position of the triangular cloth is prevented from being influenced due to unfolding reset of an overlapping part. The grabbing rod 27 repeatedly grabs the second piece of triangular cloth, the first hollow rotating platform 30 and the second hollow rotating platform 31 simultaneously drive the first mechanical arm 25 and the second mechanical arm 26 to rotate and reset to the positions of the first infrared sensor 33 and the second infrared sensor 34 respectively, the grabbing rod 27 grabs the triangular cloth to be reset to the position right above the first pressing block 12 and parallel to the first pressing block 12, the grabbing rod 27 moves downwards and the air pump stops working at the same time, the triangular cloth is released on the first lower synchronous belt 14, the placement mode of the second piece of triangular cloth is different from that of the first piece of triangular cloth, the second piece of triangular cloth is prevented from dragging the first piece of triangular cloth to shift, and the sewing edges of the two pieces of triangular cloth which are one by one are opposite are aligned to be placed on the first lower synchronous belt 14.

The third cylinder pushes the driving plate 21 to drive the first upper pressing block 13 to slide along the guide rail, so that the first upper synchronous belt 15 and the first lower synchronous belt 14 are mutually meshed to clamp the triangular cloth, the triangular cloth is conveyed between the second lower synchronous belt 37 and the second upper synchronous belt 38 under the driving of the first motor and the second motor 18, the second lower synchronous belt 37 and the second upper synchronous belt 38 clamp the triangular cloth and then bypass the flanging die 49 to feed the sewing table of the sewing machine 48 under the driving of the fifth motor, meanwhile, the sixth motor 50 drives the screw rod 52 to rotate, the nut slides axially along the screw rod 52 along with the rotation of the screw rod 52 under the guiding of the guide rail 55, the sliding plate 51 and the sewing machine 48 are driven to slide, and the sewing edge of the triangular cloth is sewn in an arc.

The sewn gusset is transported with the second conveyor 66 to the next station.

While the basic principles and main features of the present invention and advantages thereof have been shown and described, it will be understood by those skilled in the art that the present invention is not limited by the foregoing embodiments, which are described merely by way of illustration of the principles of the present invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined in the appended claims and their equivalents.

Claims

1. Umbrella face automatic stitching intelligent numerical control machine tool, its characterized in that: the automatic triangular cloth stitching machine comprises a machine frame, wherein an operation table for stitching the stitched edges of the triangular cloth is arranged on the machine frame, and a feeding mechanism for automatically grabbing two triangular cloths, enabling the stitched edges of the two triangular cloths to be aligned and overlapped, automatically stitching and conveying the triangular cloths after the triangular cloths are aligned, and a stitching mechanism for automatically receiving the triangular cloths and driving the triangular cloths to stitch the arc edges are sequentially arranged on the operation table;

the feeding mechanism comprises a first lower pressing block arranged on the operating platform and a first upper pressing block arranged above the first lower pressing block and capable of being pressed or loosened with the first lower pressing block, wherein the first lower pressing block is wound with a first lower synchronous belt, the first upper pressing block is wound with a first upper synchronous belt, a first driving device for driving the first lower synchronous belt to act is arranged on the frame, a second driving device for driving the first upper synchronous belt to act is arranged on the first upper pressing block, the novel triangular cloth stitching machine is characterized in that a third driving mechanism used for driving the first upper pressing block and the first lower pressing block to press or loosening the triangular cloth from the first lower pressing block and moving to a position which is not right above the first lower pressing block to prevent the triangular cloth from being interfered, and a grabbing mechanism used for automatically grabbing the triangular cloth and placing one side of the stitched edge of the triangular cloth on the first lower synchronous belt is arranged on the side edge of the first lower pressing block in the machine frame.

2. The umbrella fabric automatic sewing intelligent numerical control machine according to claim 1, wherein: the feeding mechanism used for conveying the triangular cloth and sucking the triangular cloth is arranged in front of the feeding mechanism on the frame, and the placing position imaging mechanism used for recognizing the triangular cloth, shooting and imaging and analyzing the triangular cloth is arranged above the feeding mechanism.

3. The umbrella fabric automatic sewing intelligent numerical control machine according to claim 1, wherein: and a blanking mechanism used for conveying the stitched triangular cloth to the next station is arranged behind the stitching mechanism on the frame.

4. The umbrella fabric automatic sewing intelligent numerical control machine according to claim 1, wherein: the two ends of the first lower pressing block are respectively and rotatably provided with a first lower synchronous roller, the first lower synchronous belt is wound on the first lower synchronous roller, the first upper pressing block is characterized in that two ends of the first upper pressing block are respectively rotatably provided with a first upper synchronous roller, and the first upper synchronous belt is wound on the first upper synchronous roller.

5. The umbrella fabric automatic sewing intelligent numerical control machine according to claim 1, wherein: the first upper synchronous belt and the first lower synchronous belt are respectively double-sided sawtooth synchronous belts which are mutually meshed.

6. The umbrella fabric automatic sewing intelligent numerical control machine of claim 4, wherein: the first driving device comprises a first motor and a first driving roller, the shell of the first motor is fixedly arranged on the frame, the first driving roller is rotatably arranged on the frame, the rotating shaft of the first motor is connected with the first driving roller, and the first lower synchronous belt is wound on the first driving roller.

7. The umbrella fabric automatic sewing intelligent numerical control machine according to claim 1, wherein: the second driving device comprises a second motor and a second driving roller, the shell of the second motor is fixedly arranged on the first upper pressing block, the second driving roller is rotatably arranged on the first upper pressing block, the rotating shaft of the second motor is connected with the second driving roller, and the first upper synchronous belt is wound on the second driving roller.

8. The umbrella fabric automatic sewing intelligent numerical control machine according to claim 1, wherein: the third driving mechanism comprises a mounting plate obliquely arranged on the frame, a driving plate capable of sliding along the direction of the mounting plate and arranged on the mounting plate, a first upper pressing block is arranged on the driving plate, and a guiding device for guiding the driving plate to slide along the direction of the mounting plate and a third driving device for driving the driving plate to slide are arranged on the mounting plate.

9. The umbrella fabric automatic sewing intelligent numerical control machine of claim 8, wherein: the guide device comprises guide rails arranged at two end parts of the driving plate and arranged on the mounting plate, and guide blocks which are slidably matched with the guide rails are slidably arranged on the driving plate.

10. The umbrella fabric automatic sewing intelligent numerical control machine according to claim 8 or 9, characterized in that: the third driving device comprises a third driving air cylinder, a shell of the third driving air cylinder is fixedly arranged on the mounting plate along the direction parallel to the mounting plate, and a piston rod of the third driving air cylinder is arranged on the driving plate.

11. The umbrella fabric automatic sewing intelligent numerical control machine according to claim 1, wherein: the grabbing mechanism comprises a first mechanical arm and a second mechanical arm, one end of the first mechanical arm can be horizontally rotated and arranged on the frame, the second mechanical arm can be horizontally rotated and arranged at the free end of the first mechanical arm, a grabbing rod used for grabbing triangle cloth through negative pressure adsorption is arranged at the free end of the second mechanical arm in a vertical translation mode, an air extraction channel connected with an external air extraction pump is arranged in the grabbing rod, a plurality of air extraction grooves which are respectively communicated with the air extraction channel are formed in the lower end face of the grabbing rod, a first rotating device used for driving the first mechanical arm to rotate is arranged on the frame, a second rotating device used for driving the second mechanical arm to rotate is arranged at the free end of the first mechanical arm, and a lifting device used for driving the grabbing rod to vertically translate is arranged at the free end of the second mechanical arm.

12. The umbrella fabric automatic sewing intelligent numerical control machine of claim 11, wherein: the first rotating device is a first hollow rotating platform, a shell of the first hollow rotating platform is fixedly arranged on the frame, and the first mechanical arm is fixedly arranged on a rotary table of the first hollow rotating platform.

13. The umbrella fabric automatic sewing intelligent numerical control machine of claim 12, wherein: the second rotating device is a second hollow rotating platform, the shell of the first hollow rotating platform is fixedly arranged on the free end of the first mechanical arm, and the second mechanical arm is fixedly arranged on the rotary table of the second hollow rotating platform.

14. The umbrella fabric automatic sewing intelligent numerical control machine of claim 11, wherein: and sensing devices which are used for sensing the rotation reset of the first mechanical arm and the second mechanical arm and enabling the grabbing rod to reset to a position parallel to the first lower synchronous belt and right above the first lower synchronous belt are respectively arranged between the first mechanical arm and the frame and between the first mechanical arm and the second mechanical arm.

15. The umbrella fabric automatic sewing intelligent numerical control machine of claim 11, wherein: the lifting device is an air cylinder, the shell of the air cylinder is vertically and fixedly arranged at the free end of the second mechanical arm, and the grabbing rod is horizontally arranged at the free end of the piston rod of the air cylinder.

16. The umbrella fabric automatic sewing intelligent numerical control machine according to claim 1, wherein: the sewing mechanism comprises a feeding device for automatically pressing and receiving the two aligned triangular cloths and automatically sewing and pushing the two triangular cloths, and a sewing device for automatically sewing the arc edges of the triangular cloths in an edge-folding and edge-curling mode.

17. The umbrella fabric automatic sewing intelligent numerical control machine of claim 16, wherein: the feeding device comprises a second lower pressing block and a second upper pressing block, wherein the second lower pressing block is arranged on the operating platform, the second upper pressing block can be pressed or loosened with the second lower pressing block and is arranged above the second lower pressing block, a second lower synchronous belt is wound on the second lower pressing block, a second upper synchronous belt is wound on the second upper pressing block, and a fourth driving device for driving the second upper pressing block to be pressed or loosened with the second lower pressing block to adjust the distance between the second upper pressing block and the second lower pressing block to adapt to triangular cloth with different thicknesses and a fifth driving device for driving the second lower synchronous belt and the second upper synchronous belt to synchronously press the triangular cloth to convey and feed are arranged on the frame.

18. The umbrella fabric automatic sewing intelligent numerical control machine of claim 17, wherein: the second lower pressing block is characterized in that two ends of the second lower pressing block are respectively rotatably provided with a second lower synchronous roller, a second lower synchronous belt is wound on the second lower synchronous roller, two ends of the second upper pressing block are respectively rotatably provided with a second upper synchronous roller, and the second upper synchronous belt is wound on the second upper synchronous roller.

19. The umbrella fabric automatic sewing intelligent numerical control machine of claim 17, wherein: the second upper synchronous belt and the second lower synchronous belt are respectively double-sided sawtooth synchronous belts which are mutually meshed.

20. The umbrella fabric automatic sewing intelligent numerical control machine of claim 17, wherein: the fourth driving device comprises a first mounting block, a second mounting block and a fourth air cylinder, wherein the first mounting block is arranged on the frame, the second mounting block is arranged on the second upper pressing block, a shell of the fourth air cylinder is fixedly arranged on the upper end face of the second mounting block, a piston rod of the fourth air cylinder penetrates through the second mounting block and is arranged on the first mounting block, and a guiding device used for guiding the second upper pressing block to move up and down along the vertical direction and to be pressed or loosened with the second lower pressing block is arranged between the first mounting block and the two end parts of the second mounting block.

21. The umbrella fabric automatic stitching intelligent numerical control machine of claim 20, wherein: the guiding device is a telescopic rod, one end of the telescopic rod is fixedly arranged on the second installation block, and the other end of the telescopic rod is fixedly arranged on the first installation block.

22. The umbrella fabric automatic stitching intelligent numerical control machine of claim 18, wherein: the fifth driving device comprises a fifth motor, a shell of the fifth motor is fixedly arranged on the frame, a third driving roller is rotatably arranged on the frame, a rotating shaft of the fifth motor is connected with the third driving roller, a second lower synchronous belt is wound on the third driving roller, a first gear is synchronously rotated on the second lower synchronous roller, and a second gear which is engaged with or disengaged from the first gear along with the engagement and transmission of a second upper pressing block and a second lower pressing block is synchronously rotated on the second upper synchronous roller.

23. The umbrella fabric automatic sewing intelligent numerical control machine of claim 16, wherein: the sewing device comprises a mounting seat, the mounting seat is fixedly arranged on the frame, a sewing machine is arranged on the mounting seat in a sliding manner along the direction of a vertical second pressing block, a hemming die for guiding the automatic folding and sewing edge of the triangular cloth to perform hemming and sewing is arranged at the feeding end of a sewing table of the sewing machine, and a sixth driving device for driving the sewing machine to slide is arranged on the frame.

24. The umbrella fabric automatic stitching intelligent numerical control machine of claim 23, wherein: the sixth driving device comprises a sixth motor and a sliding plate, a shell of the sixth motor is fixedly arranged on the frame, a screw rod perpendicular to the second pressing block is connected to a rotating shaft of the sixth motor, the free end of the screw rod is rotatably arranged on the frame, the utility model discloses a sewing machine, including the board that slides, the board lower terminal surface that slides is provided with the fixed block, the fixed thread bush that is provided with on the fixed block, the lead screw meshing wears to locate in the thread bush, sewing machine set up in on the board that slides, the board that slides with be provided with between the mount pad be used for the guide the guiding device that slides that the board steadily slides.

25. The umbrella fabric automatic stitching intelligent numerically-controlled machine tool as in claim 24, wherein: the sliding guide device comprises sliding rails which are respectively arranged at two ends of the screw rod, a sliding block is arranged on the sliding rails in a sliding mode, and the sliding plate is arranged on the sliding block.

26. The umbrella fabric automatic sewing intelligent numerical control machine according to claim 2, characterized in that: the feeding mechanism comprises a plurality of first conveying rollers which are rotatably arranged on the frame, a first conveying belt is wound on the first conveying rollers, a flattening device for flattening the tail end of the triangular cloth and conveying the first conveying belt is arranged at the feeding end of the first conveying belt, and a seventh driving device for driving the first conveying belt to convey the triangular cloth which is placed at intervals from front to back is arranged on the frame.

27. The umbrella fabric automatic stitching intelligent numerically-controlled machine tool as in claim 26, wherein: the flattening device comprises a flattening roller rotatably arranged on a frame of the feeding end of the first conveying belt, and a seventh driving device for driving the flattening roller and the conveying direction of the first conveying belt to rotate reversely is arranged on the frame and used for driving the first conveying belt to convey a triangular cloth which is placed at intervals from front to back.

28. The umbrella fabric automatic stitching intelligent numerically-controlled machine tool as in claim 27, wherein: the seventh driving device comprises a third gear which is arranged on the first conveying roller on the feeding end of the first conveying belt and synchronously rotates with the first conveying roller, a fourth gear which is synchronously rotated on the flattening roller and is meshed with the third gear in the reverse rotation mode, a seventh motor is arranged on the frame, a shell of the seventh motor is fixedly arranged on the frame, and a rotating shaft of the seventh motor is connected with the first conveying roller on the feeding end of the first conveying belt.

29. The umbrella fabric automatic stitching intelligent numerically-controlled machine tool as in claim 26, wherein: the imaging mechanism comprises an intelligent processing system, a camera and a scanning frame, wherein the intelligent processing system is provided with a picture analysis and identification triangular cloth, the triangular cloth is used for imaging and analysis of the placement position of the sewing edge of the triangular cloth, the camera is arranged above the first conveyor belt, the scanning frame is arranged above the first conveyor belt, bottoms of two ends of the scanning frame are respectively arranged on the frames on two sides of the first conveyor belt, the camera is fixedly arranged on the scanning frame, and the camera is in signal connection with the intelligent processing system.

30. The umbrella fabric automatic sewing intelligent numerical control machine of claim 3, wherein: the blanking mechanism comprises a plurality of second conveying rollers which are rotatably arranged on the frame, a second conveying belt is wound on the second conveying rollers, and an eighth driving device for driving the second conveying belt to convey the stitched triangular cloth is arranged on the frame.

31. The umbrella fabric automatic stitching intelligent numerically-controlled machine tool as in claim 30, wherein: the eighth driving device comprises an eighth motor, a shell of the eighth motor is fixedly arranged on the frame, and a rotating shaft of the eighth motor is connected with the second conveying roller.