CN217733454U - Curve sewing device and sewing equipment - Google Patents

Abstract

The utility model provides a curve sewing device and sewing equipment, this curve sewing device carries out the sewing machine of sewing including setting up the first surface fabric and the second surface fabric that the superpose is in the same place in the frame, still including setting up guiding mechanism and the butt mechanism in the frame. The guide mechanism comprises a first guide wheel and a second guide wheel which are driven to rotate by a rotary driving unit, the first guide wheel is used for driving the first fabric to move, the second guide wheel is used for driving the second fabric and the first fabric to move synchronously, and the moving directions of the first fabric and the second fabric are intersected with the sewing track of the sewing machine. The abutting mechanism comprises a first abutting plate and a second abutting plate which are driven to stretch by a telescopic driving unit, the first abutting plate is used for limiting a first gap with the rack, the second abutting plate is used for limiting a second gap with the first abutting plate, under the driving of the sewing machine, the first fabric is passed through by the first gap, and the second fabric is passed through by the second gap. The utility model discloses a surface fabric curve sewing automated production.

Description

Curve sewing device and sewing equipment

Technical Field

The utility model relates to an automotive interior sewing technical field, in particular to curve sewing device. The utility model discloses still relate to a sewing machine who has this curve sewing device.

Background

The automobile seat cover is formed by processing and sewing required cover fabric through a sewing machine, the cover sewing mainly comprises the process types of cover straight line splicing, cover curve splicing, decorative line sewing, overedged, airbag explosion cracks and the like, and the automatic sewing of the cover straight line splicing is realized.

However, the proportion of the curved seam splicing of the face cover accounts for 50% -70% of the sewing time of the whole face cover, most of the existing flat sewing machines are manually operated to perform curved stitch sewing, and the sewing quality of the sewn stitches completely depends on the perception of stitches by operators and the proficiency degree of equipment operation. In the field production, the problems of inaccurate fabric positioning, incapability of ensuring curve stitches, nonstandard sewing stitch positions, uneven stitch surface and the like of the manually sewn face cover exist, the requirements of high-efficiency and high-quality curve stitches cannot be met, and the labor cost and the rework cost are increased for enterprises.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a curve sewing device to realize the automation of surface fabric curve sewing, avoid the artifical sewing of prior art slow, the position is inaccurate, the stitch seam camber scheduling problem that is not unified.

In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:

a curve sewing device comprises a sewing machine, a guide mechanism and an abutting mechanism, wherein the sewing machine is arranged on a rack and used for sewing a first fabric and a second fabric which are overlapped together;

the guide mechanism comprises a first guide wheel and a second guide wheel which are driven to rotate by a rotary driving unit, the first guide wheel is used for driving the first fabric to move, the second guide wheel is used for driving the second fabric to move synchronously with the first fabric, and the moving directions of the first fabric and the second fabric are intersected with the sewing track of the sewing machine;

the abutting mechanism comprises a first abutting plate and a second abutting plate which are driven to stretch by a telescopic driving unit, the first abutting plate is used for limiting a first gap with the rack, the second abutting plate is used for limiting a second gap with the first abutting plate, the first fabric is driven by the sewing machine to pass through the first gap, and the second fabric is driven by the second gap to pass through the second gap.

Further, the rotary driving unit comprises a first motor and a second motor which are arranged on the rack, the first guide wheel is connected with the first motor, and the second guide wheel is connected with the second motor;

the telescopic driving unit comprises a first air cylinder and a second air cylinder which are arranged on the rack, the first abutting plate is connected to an air cylinder rod of the first air cylinder, and the second abutting plate is connected to an air cylinder rod of the second air cylinder.

Furthermore, a lifting driving part is arranged on the rack and used for driving the second guide wheel to lift; and/or, be equipped with horizontal drive division in the frame, horizontal drive division is used for driving about first butt joint board with the second butt joint board is kept away from or is close to sewing machine.

Compared with the prior art, the utility model discloses following advantage has:

(1) Curve sewing device, inject first surface fabric in first clearance by first butt board, inject in the second clearance by the second butt board with the second surface fabric of first surface fabric superpose, through the direction of first leading wheel and second leading wheel, realize first surface fabric and second surface fabric and sew up the stitch trace along its curve sewing stitch trace by sewing machine is automatic to be sewed up, compare and sew up position accuracy, the unity that can more ensure the stitch trace to sew up in current manual work, more improved and sewed up efficiency.

(2) The first guide wheel and the second guide wheel are respectively driven by the first motor and the second motor to rotate, and the first abutting plate and the second abutting plate are respectively driven by the first air cylinder and the second air cylinder to move, so that the curve sewing device is simple in structure and easy to implement.

(3) The lifting driving part drives the second guide wheel to move in a lifting mode, and interference with the second guide wheel when the second fabric is conveyed is avoided. The transverse driving part can adjust the positions of the first abutting plate and the second abutting plate, and parts of the sewing machine can be replaced conveniently.

Another object of the present invention is to provide a sewing machine, which comprises a frame, a curved sewing device, a grabbing mechanism and a conveying mechanism, wherein the curved sewing device, the grabbing mechanism and the conveying mechanism are arranged on the frame;

the grabbing mechanism comprises a first grabbing part and a second grabbing part, and the conveying mechanism comprises a first conveying part and a second conveying part;

the first gripping part is used for gripping the first fabric onto the first conveying part, the first conveying part is used for conveying the first fabric to a sewing area of the sewing machine, the second gripping part is used for gripping the second fabric onto the second conveying part, and the second conveying part is used for overlapping the second fabric on the first fabric.

Furthermore, a first adjusting unit is arranged on the rack and used for adjusting the first fabric conveyed by the first conveying part to a first preset position.

Further, the first adjusting unit includes a plurality of first adjusting portions arranged at intervals along the circumferential direction of the first fabric, and each of the first adjusting portions includes a first pushing end which is driven by the first driving portion and can push the first fabric.

Furthermore, the first adjusting part is located on the conveying path of the first conveying part, and the first driving part of the first adjusting part can drive the first pushing end of the first adjusting part to lift.

Furthermore, a second adjusting unit is arranged on the rack and used for adjusting the second facing material to a second preset position.

Further, the second adjusting unit comprises a plurality of second adjusting parts, and each second adjusting part comprises a second pushing end which is driven by the second driving part and can push the second fabric;

the installation height of the second abutting end is adjustable.

Furthermore, be equipped with in the frame and be used for the storage of storage first surface fabric with the storage portion of second surface fabric, storage portion includes the storage silo to and be used for ordering about the fourth drive division that the storage silo goes up and down.

Compared with the prior art, the utility model discloses following advantage has:

(1) Through setting up and snatching mechanism and conveying mechanism, make first surface fabric and second surface fabric can transport the sewing district automatically to realize this sewing machine's automation.

(2) Through setting up first adjustment unit, make every first surface fabric adjusted at first default position, and then ensure curve sewing equipment's sewing effect.

(3) The first pushing ends of the first adjusting portions can ensure the position accuracy of the first fabric transmitted to the sewing area, and therefore the position accuracy of the curve sewing stitches can be guaranteed.

(4) But through the first end liftable setting that supports of the first adjustment portion with one of them, the first surface fabric of being convenient for is carried to sewing district in-process, does not have interference phenomenon.

(5) And a second adjusting unit is arranged to adjust each second fabric at a second preset position, so that the sewing effect of the curve sewing equipment is guaranteed.

(6) The second abutting end is arranged, so that the position precision of the second fabric transmitted to the sewing area is further ensured, the height of the second abutting end is adjustable, and the sewing device is suitable for fabrics with different thicknesses.

(7) Set up the lift storage silo in the frame to realize the automatic feeding of first surface fabric and second surface fabric, thereby improve this sewing machine's degree of automation.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic structural view of a curved sewing device and a frame according to a first embodiment of the present invention;

fig. 2 is a schematic structural view of a curved sewing mechanism according to a first embodiment of the present invention;

FIG. 3 is a schematic structural view of the curved sewing mechanism according to the first embodiment of the present invention without a sewing machine;

FIG. 4 is a schematic structural view of a sewing machine according to a second embodiment of the present invention;

fig. 5 is a schematic structural view of a sewing machine according to a second embodiment of the present invention, which does not include the first catching portion;

fig. 6 is a schematic structural view of a first grasping portion according to a second embodiment of the present invention;

fig. 7 is a schematic structural view of a second grasping portion according to a second embodiment of the present invention;

fig. 8 is a schematic structural diagram of positions of the first adjusting unit and the second adjusting unit according to the second embodiment of the present invention;

fig. 9 is a schematic view of a position structure of the first adjusting unit and the first fabric according to the second embodiment of the present invention;

fig. 10 is a schematic structural diagram of a second adjusting unit according to a second embodiment of the present invention;

fig. 11 is a schematic structural view of a storage silo according to the second embodiment of the present invention;

fig. 12 is a schematic view of an installation structure of a fourth driving portion according to a second embodiment of the present invention;

fig. 13 is a schematic structural view of a sewing machine according to the second embodiment of the present invention.

Description of reference numerals:

100. a curve sewing device; 200. a frame; 300. a first fabric; 400. a second fabric; 500. a rotation driving unit; 600. a telescopic driving unit; 700. a lifting drive part; 800. a lateral driving section; 900. a grabbing mechanism; 101. a conveying mechanism; 102. a first adjusting unit; 103. a second adjusting unit; 104. a storage unit; 105. a fence;

1001. a guide mechanism; 1002. an abutting mechanism; 1003. a sewing machine;

1011. a first conveying section; 1012. a second conveying section;

1021. a first adjusting section; 1022. a first driving section;

1031. a second adjustment unit; 1032. a second driving section;

1041. a storage bin; 1042. a fourth driving section;

5001. a first motor; 5002. a second motor;

6001. a first cylinder; 6002. a second cylinder;

9001. a first grasping portion; 9002. a second grasping portion;

10011. a first guide wheel; 10012. a second guide wheel;

10021. a first butt joint plate; 10022. a second abutting plate;

10211. a first pushing end;

10311. a longitudinal pushing end; 10312. a transverse pushing end;

90011. a first transfer beam; 90012. a first linear slide rail; 90013. a first rodless cylinder;

90014. a first drag chain; 90015. a first triaxial cylinder; 90016. a first material taking disc; 90017. and (4) a vacuum chuck.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "back", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, in the description of the present invention, the terms "mounted," "connected," and "connecting" are to be construed broadly unless expressly limited otherwise. For example, the connection may be fixed, detachable, or integrated; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. To those of ordinary skill in the art, the specific meaning of the above terms in the present invention can be understood in combination with the specific situation.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Example one

The present embodiment relates to a curved sewing device including a sewing machine 1003 which is provided on a frame 200 and sews a first fabric 300 and a second fabric 400 which are stacked together, and further including a guide mechanism 1001 and an abutment mechanism 1002 which are provided on the frame 200.

Wherein, this guiding mechanism 1001 includes and is driven pivoted first leading wheel 10011 and second leading wheel 10012 by rotary driving unit 500, and first leading wheel 10011 is used for driving first panel material 300 motion, and second leading wheel 10012 is used for driving second panel material 400 and first panel material 300 simultaneous movement, and the direction of motion of first panel material 300 and second panel material 400 is crossing with the sewing orbit of sewing machine 1003.

In addition, the abutting mechanism 1002 comprises a first abutting plate 10021 and a second abutting plate 10022 driven to extend and retract by the extension and retraction driving unit 600, the first abutting plate 10021 is used for defining a first gap with the frame 200, the second abutting plate 10022 is used for defining a second gap with the first abutting plate 10021, and under the driving of the sewing machine 1003, the first fabric 300 is passed through the first gap, and the second fabric 400 is passed through the second gap.

The curve sewing device 100 of this embodiment, place first panel 300 and second panel 400 superpose, drive first panel 300 and the crossing direction motion of sewing track of sewing machine 1003 in step through first leading wheel 10011 and second leading wheel 10012 respectively, thereby realize the automatic sewing of sewing machine 1003, and sew up along the curve stitch seam of first panel 300 and second panel 400, compare and sew up position accuracy, the unity that can more ensure the stitch seam in current manual work, more improved sewing efficiency.

Based on the above general description, as an exemplary structure of the curve sewing device 100 of the present embodiment, as shown in fig. 1 and 2, the first fabric 300 and the second fabric 400 are configured in an arc-shaped sheet, and the material thereof is the existing car seat fabric, and is selected according to the needs of the customer. The surface area of the second fabric 400 of the embodiment is smaller than that of the first fabric 300, and after the second fabric 400 is overlapped above the first fabric 300, the guide transmission sewing is performed, the transmission sewing direction is from the right side of the sewing machine 1003 to the left side of the sewing machine 1003, and the first fabric 300 and the second fabric 400 positioned on the left side of the sewing machine 1003 are sewn together through the needle of the sewing machine 1003.

As shown in fig. 2, the first guide wheel 10011 extends upward through the sewing surface of the sewing machine 1003 and partially protrudes, the protrusion abuts against the lower surface of the first fabric 300 and is disposed right in front of the needle of the sewing machine 1003, and the first guide wheel 10011 rotates in the front-rear direction of the sewing machine 1003. The second guide wheel 10012 is obliquely arranged from the upper right of the sewing machine 1003 to the needle direction of the sewing machine 1003, and is located above the sewing surface of the sewing machine 1003, when the sewing machine 1003 sews, the second guide wheel 10012 abuts on the upper side of the second fabric 400, and the rotation direction of the second guide wheel 10012 and the first guide wheel 10011 is arranged at an angle.

The first guide wheel 10011 is driven to rotate toward the needle of the sewing machine 1003 by the rotary driving unit 500, and the second guide wheel 10012 is driven to rotate away from the needle of the sewing machine 1003 by the rotary driving unit 500. Therefore, the second guide wheel 10012 has a power for driving the second fabric 400 to move from the right side to the left side of the sewing machine 1003 in an inclined manner, and under the combined action of the rotation directions of the first guide wheel 10011 and the second guide wheel 10012, stitches of the first fabric 300 and the second fabric 400 pass through a needle of the sewing machine 1003 in a curve form, so that the purpose of automatically sewing the stacked first fabric 300 and the stacked second fabric 400 in a curve manner is achieved.

As also shown in fig. 2, the first abutting plate 10021 is configured as a rectangular plate, and is driven to descend above the first fabric 300 by the telescopic driving unit 600, so that the lower surface of the first fabric 300 abuts against the sewing surface of the sewing machine 1003. The second abutting plate 10022 is configured as an "F" -shaped plate-like structure, and is driven to descend above the second facing 400 by the telescopic driving unit 600.

Further, the rotary drive unit 500 of this embodiment includes a first motor 5001 and a second motor 5002 provided on the frame 200, the first guide wheel 10011 being connected to the first motor 5001, the second guide wheel 10012 being connected to the second motor 5002; the telescopic driving unit 600 includes a first cylinder 6001 and a second cylinder 6002 disposed on the frame 200, the first abutting plate 10021 is connected to a cylinder rod of the first cylinder 6001, and the second abutting plate 10022 is connected to a cylinder rod of the second cylinder 6002. In a specific structure, as shown in fig. 2 and fig. 3, the first motor 5001 is disposed below the rack 200, and a driving wheel is disposed at an output end of the first motor 5001, and the driving wheel and the first guide wheel 10011 are driven by a belt to rotate the first guide wheel 10011. The power output end of the second motor 5002 is connected and fixed with the second guide wheel 10012 in a key mode, and is directly driven to rotate through the rotation of the second motor 5002.

As shown in fig. 3, the first abutment plate 10021 is bolted to the cylinder rod of the first cylinder 6001 above the first abutment plate, and the second abutment plate 10022 is bolted to the cylinder rod of the second cylinder 6002 above the second abutment plate. And the first cylinder 6001 and the second cylinder 6002 are fixed on two sides of a cylinder fixing plate in a staggered manner, and the cylinder fixing plate is arranged on the upper plane of the rack 200 vertically.

In addition, a lifting driving portion 700 is disposed on the frame 200 of this embodiment, and the lifting driving portion 700 is configured to drive the second guide wheel 10012 to lift; and/or, a transverse driving portion 800 is disposed on the frame 200, and the transverse driving portion 800 is configured to drive the first abutting plate 10021 and the second abutting plate 10022 to move away from or close to the sewing machine 1003. In this embodiment, the frame 200 is provided with the lifting driving portion 700 and the transverse driving portion 800 at the same time, the lifting driving portion 700 is disposed so that the second fabric 400 is not interfered during transportation, and the transverse driving portion 800 is disposed so as to satisfy the interference caused by the replacement of the parts of the sewing machine 1003. Of course, in other embodiments, the elevation driving part 700 or the lateral driving part 800 may be separately provided on the frame 200 according to the arrangement space.

As a specific embodiment of this embodiment, as shown in fig. 3, the lifting driving part 700 is fixed on the frame 200 through an L-shaped fixing plate, the lifting driving part 700 of this embodiment is specifically a lifting cylinder and is vertically arranged on the upper plane of the frame 200, a second motor fixing plate is arranged between the second guide wheel 10012 and the second motor 5002, and a fixing shaft is connected to the second motor fixing plate and is fixedly connected to the cylinder rod of the lifting cylinder.

The second guide wheel 10012 is lifted and lowered by driving the fixed shaft. The fixing plate of the second motor 5002 is provided with a fixing block for accommodating the fixing shaft, the fixing block is provided with an open slot communicated with the fixing shaft, and the open slot penetrates through the fixing block through a bolt to lock the fixing shaft at a fixed position on the fixing block. Thereby, the rotation angle of the second guide wheel 10012 relative to the fixed shaft can be adjusted. For curve-driven adjustment of different shapes of the first facestock 300 and the second facestock 400.

Specifically, as shown in fig. 2 and 3, the transverse driving unit 800 of the present embodiment is a three-rod cylinder, and an L-shaped long plate is fixedly bolted to an output end of the three-rod cylinder, and is fixedly connected to the cylinder fixing plate. When the piston rod of this three-bar cylinder stretches out, first butt plate 10021 and second butt plate 10022 are close to the needle of sewing machine 1003, and when the piston rod of three-bar cylinder retracted, first butt plate 10021 and second butt plate 10022 kept away from sewing machine 1003 to sewing machine 1003 changes its spare part.

In the curved sewing device 100 of this embodiment, the first fabric 300 and the second fabric 400 are driven to move in curved stitches by the rotation of the first guide wheel 10011 and the second guide wheel 10012 in different directions, and the first fabric 300 and the second fabric 400 can respectively and smoothly move toward the sewing position of the sewing machine 1003, so as to prevent the first fabric 300 and the second fabric 400 from generating wrinkles or protrusions. The curve sewing device 100 of the embodiment can realize automatic curve sewing, and effectively avoid the problems of low efficiency of manual sewing, inaccurate sewing thread trace and the like.

Example two

The present embodiment relates to a sewing machine, which comprises a frame 200, a curved sewing device 100 according to the first embodiment, a grabbing mechanism 900 and a conveying mechanism 101, which are disposed on the frame 200.

The gripping mechanism 900 comprises a first gripping part 9001 and a second gripping part 9002, and the conveying mechanism 101 comprises a first conveying part 1011 and a second conveying part 1012; the first gripping part 9001 is used to grip the first facestock 300 onto the first conveying part 1011, the first conveying part 1011 is used to convey the first facestock 300 to the sewing zone of the sewing machine 1003, the second gripping part 9002 is used to grip the second facestock 400 onto the second conveying part 1012, and the second conveying part 1012 is used to overlap the second facestock 400 onto the first facestock 300.

The sewing machine of this embodiment is provided with the curved sewing device 100 according to the first embodiment on the frame 200, the grabbing mechanism 900 for grabbing the first and second fabrics 300 and 400, and the conveying mechanism 101 for conveying the first and second fabrics 300 and 400 to the fixed position of the sewing area for sewing, thereby improving the automation degree of the sewing machine.

Based on the above overall description, as an exemplary structure of the sewing machine of the present embodiment, as shown in fig. 4 and 5, the frame 200 of the present embodiment is composed of an aluminum alloy frame and a wooden platen, the aluminum alloy frame is composed of a 60mm × 60mm aluminum profile and standard connectors, a height-adjustable ground cup is installed at the bottom of the aluminum alloy frame to provide support for the frame 200 and facilitate adjustment of the height and horizontal position of the machine, and the wooden platen is fixed on the frame of the frame 200 by screws for installing and fixing the sewing machine 1003 and each part assembly.

As a specific embodiment of the present embodiment, as shown in fig. 6, the first gripper 9001 is used for taking the first fabric 300, and comprises a first transfer beam 90011, a first support provided at one end of the first transfer beam 90011, a first linear guide 90012 provided below the first transfer beam 90011, a first rodless cylinder 90013 for driving the first linear guide 90012 to move, a first drag chain 90014 provided above the first transfer beam 90011, a first triaxial cylinder 90015 fixedly connected to a sliding end of the first rodless cylinder 90013, a first material taking tray 90016 fixedly connected to a piston rod of the first triaxial cylinder 90015, and a vacuum suction cup 90017 or a needling cylinder fixedly connected below the first material taking tray 90016.

One end of the first transmission beam 90011 is fixed on the table top of the rack 200 through a first support, and the other end of the first transmission beam provides support for the vacuum suction cup 90017 to take materials. A first linear slide 90012 is secured to the first transfer beam 90011 to provide guidance and support for the transfer of the first facestock 300. The first fabric 300 is fixedly sucked by the vacuum suction cups 90017 or the needling cylinders, and the first fabric 300 is conveyed to the first conveying part 1011 through the first conveying beams 90011. Wherein, magnetic switches are arranged on the first rodless cylinder 90013 and the first triaxial cylinder 90015, so that the accuracy of the action is ensured. The hydraulic buffers are arranged at two ends of the moving position of the first rodless cylinder 90013, so that impact can be reduced after the cylinder is in place, noise is reduced, and the service life of the cylinder is prolonged. The first linear slide rail 90012 is used for guiding the first material taking tray 90016 to slide along a straight line, so that the first material taking tray 90016 can move smoothly after taking materials.

As shown in fig. 7, the second grabbing portion 9002 is used for grabbing the second facing 400, and is composed of a second transmission beam, a second linear sliding rail, a second rodless cylinder, a second triaxial cylinder, a second drag chain, a second material taking tray, a needling cylinder, and the like. One end of the second transmission beam is fixed on the table top of the rack 200 through the second support, and the other end of the second transmission beam provides support for the needling cylinder to take materials. The second linear slide rail is fixed on the second transmission beam to provide guidance and support for the transmission of the second fabric 400.

The second material taking plate is arranged on the second triaxial cylinder, and according to the selection of fabric materials, a vacuum chuck 90017 or a needling cylinder can be arranged on the second material taking plate. The second three-axis cylinder drives the second material taking plate to move up and down to grab the second surface material 400, the second three-axis cylinder resets after the material is taken, and the second rodless cylinder drives the second three-axis cylinder to horizontally move along the second linear sliding rail to convey the second surface material 400 to the next station. The second gripper 9002 has the same structure as the first gripper 9001, and thus, will not be described in detail.

As shown in fig. 8, the first conveying unit 1011 of the present embodiment is specifically a cylinder disposed along the width direction of the frame 200, and a first fabric 300 fixing plate capable of pushing the first fabric 300 to move to the sewing area of the sewing machine 1003 is fixedly connected to a piston rod of the cylinder. The second conveying unit 1012 is specifically a cylinder disposed at the right end of the sewing machine 1003 and disposed along the length direction of the frame 200, and a second fabric 400 fixing plate capable of pushing the second fabric 400 to move toward the sewing area of the sewing machine 1003 is fixedly connected to a piston rod of the cylinder.

In addition, a first adjusting unit 102 is disposed on the rack 200, and the first adjusting unit 102 is configured to adjust the first fabric 300 conveyed by the first conveying part 1011 to a first preset position. In the specific structure, with reference to fig. 5 and 8, the first adjusting unit 102 is disposed right in front of the sewing area of the sewing machine 1003, and the position of the first fabric 300 is determined by adjusting the first adjusting unit 102, so that the position accuracy when the first fabric 300 and the second fabric 400 are sewn is ensured.

The first adjusting unit 102 of the present embodiment includes a plurality of first adjusting portions 1021 arranged at intervals along the circumferential direction of the first fabric 300, and each of the first adjusting portions 1021 includes a first pushing end 10211 driven by the first driving portion 1022 and capable of pushing the first fabric 300. As shown in fig. 8 and 9, the first adjusting part 1021 of the present embodiment is different in structure of three positions which are disposed at two ends of the first fabric 300 and at a side far from the sewing machine 1003 and located at the middle of the first fabric 300. The first adjusting part 1021 at the upper right end of the first fabric 300 is provided with a clamping plate for clamping the upper right corner of the first fabric 300, and the clamping plate is connected with the output end of the air cylinder. The first adjusting part 1021 in the middle of the first fabric 300 is provided with two pushing plates, and the pushing plates are connected with the output end of the cylinder. The first driving part 1022 is specifically a driving cylinder of each first adjustment part 1021.

In addition, a first adjusting portion 1021 is located on the conveying path of the first conveying portion 1011, and the first driving portion 1022 of the first adjusting portion 1021 can drive the first abutting end 10211 to move up and down. As shown in fig. 9, in this embodiment, the first adjusting portion 1021 arranged at the upper left corner of the first fabric 300 is located on the conveying path of the first conveying portion 1011, so as to avoid interference with the first conveying portion 1011 during conveying the first fabric 300, the first conveying portion 1011 arranged at the upper left corner is configured to include a left baffle for clamping the upper left corner of the first fabric 300, and an air cylinder fixedly connected to the lower plane of the rack 200 and capable of extending and retracting along the height direction of the rack 200. The piston rod of the cylinder is fixedly connected to the left baffle.

The frame 200 of this embodiment is provided with a second adjusting unit 103, and the second adjusting unit 103 is used for adjusting the second facing 400 to a second preset position. As shown in fig. 8, in a specific structure, the second adjusting unit 103 is disposed right above the second facing 400, and when the second facing 400 is grabbed by the second grabbing portion 9002 and placed on the second conveying portion 1012, the second facing 400 is placed at a second preset position through adjustment of the second adjusting unit 103, so that the position accuracy when the first facing 300 and the second facing 400 are sewn is further ensured.

The second adjusting unit 103 includes a plurality of second adjusting portions 1031, each of the second adjusting portions 1031 includes a second pushing end that is driven by the second driving portion 1032 and can push the second facing 400, and the installation height of the second pushing end is adjustable. Referring to fig. 8 and 10, the second adjustment unit 103 of the present embodiment includes a longitudinal second adjustment part 1031 and a transverse second adjustment part 1031. The second driving part 1032 includes a cylinder driving the longitudinal second adjusting part 1031 to be longitudinally movable, and a cylinder driving the lateral second adjusting part 1031 to be laterally movable.

As also shown in fig. 8 and 10, the longitudinal second adjustment portion 1031 has a longitudinal pressing end 10311 that presses the second sheet 400 from top to bottom in the width direction of the chassis 200. The transverse second adjusting portion 1031 has a transverse pushing end 10312 for pushing the second facing material 400 from left to right along the length direction of the frame 200. The longitudinal pushing end 10311 and the transverse pushing end 10312 of the present embodiment are defined as the above-mentioned second pushing ends, and the positions of the second pushing ends are pushed and adjusted from the transverse direction and the longitudinal direction of the second fabric, respectively.

The longitudinal pushing end 10311 includes two pushing pieces, and the pushing pieces are provided with long slots adjustable along the height direction of the rack 200, and can be adjusted correspondingly according to the height position of the second fabric 400. The transverse pushing end 10312 is an L-shaped plate. The second cover 400 is fixed in position by pushing the second cover 400 longitudinally and transversely, thereby ensuring the position accuracy during sewing.

In addition, a storage part 104 for storing the first and second fabrics 300 and 400 is arranged on the frame 200, and the storage part 104 includes a storage bin 1041 and a fourth driving part 1042 for driving the storage bin 1041 to move up and down. As shown in fig. 11, 12 and 13, the rack 200 is provided with a storage part 104 for storing the first and second fabrics 300 and 400, the storage part 104 of this embodiment is two storage bins 1041 arranged along the length direction of the rack 200, and the left storage bin 1041 is arranged right in front of the sewing machine 1003 and below the first conveying part 1011 for storing the first fabric 300.

The right storage bin 1041 and the left storage bin 1041 are arranged in parallel, and are located below the second conveying part 1012, and are used for storing the second facing 400. As shown in fig. 11, the storage bin 1041 is composed of a bottom plate and a rail, the bottom plate is provided with a T-shaped groove, the rail can move along the T-shaped groove to adjust the shape of the storage bin 1041, so as to adapt to fabrics of different shapes and conveniently add fabrics to the storage bin 1041, and the storage bin 1041 is fixed on the rack 200 through the bottom plate.

The fourth driving part 1042 of this embodiment is specifically a servo motor, the output shaft of the motor is connected to a screw rod through a coupling, the communicating fabric supporting plate is arranged in the left storage bin and the right storage bin, and the fabric supporting plate can be driven to ascend by the driving of the fourth driving part 1042, so that the first fabric 300 and the second fabric 400 ascend simultaneously to a height capable of being grabbed, thereby improving the automation degree of the sewing device.

To further improve the sewing device, a fence 105 is provided on the periphery of the upper plane of the frame 200 to provide work protection for the sewing device. In addition, the sewing equipment is also provided with an electric control system component integrated in an electric control cabinet, the electric control cabinet is embedded in a frame below a bedplate of the frame 200, a cabinet door lock is arranged on the electric control cabinet, and axial fans are arranged on two side surfaces of the electric control cabinet and used for dissipating heat of electric elements and reducing the temperature in the electric control cabinet.

The electric control system of the embodiment adopts a touch screen for man-machine interaction, the equipment adopts Siemens PLC as a control unit to control the execution action of each component, and the servo driver is controlled to control the servo motor of the module. The sewing machine 1003 adopts independent electric control with a computer, and coordinates the actions between sewing and material conveying components by communicating with a PLC through a standard Ethernet. In other embodiments, other PLC electrical control systems may be used for control as desired.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A curve sewing device comprises a sewing machine (1003) which is arranged on a frame (200) and sews a first fabric (300) and a second fabric (400) which are overlapped together, and is characterized in that:

the device also comprises a guide mechanism (1001) and an abutting mechanism (1002) which are arranged on the frame (200);

the guide mechanism (1001) comprises a first guide wheel (10011) and a second guide wheel (10012) driven by a rotary drive unit (500) to rotate, the first guide wheel (10011) is used for driving the first fabric (300) to move, the second guide wheel (10012) is used for driving the second fabric (400) and the first fabric (300) to move synchronously, and the moving directions of the first fabric (300) and the second fabric (400) are intersected with the sewing track of the sewing machine (1003);

the abutting mechanism (1002) comprises a first abutting plate (10021) and a second abutting plate (10022) which are driven to stretch by a telescopic driving unit (600), the first abutting plate (10021) is used for limiting a first gap with the frame (200), the second abutting plate (10022) is used for limiting a second gap with the first abutting plate (10021), the first fabric (300) is driven by the sewing machine (1003) to pass through the first gap, and the second fabric (400) is driven by the second gap.

2. The curve sewing device according to claim 1, wherein:

the rotary driving unit (500) comprises a first motor (5001) and a second motor (5002) which are arranged on the rack (200), the first guide wheel (10011) is connected with the first motor (5001), and the second guide wheel (10012) is connected with the second motor (5002);

the telescopic driving unit (600) comprises a first cylinder (6001) and a second cylinder (6002) which are arranged on the rack (200), the first abutting plate (10021) is connected to a cylinder rod of the first cylinder (6001), and the second abutting plate (10022) is connected to a cylinder rod of the second cylinder (6002).

3. The curve sewing device according to claim 2, wherein:

a lifting driving part (700) is arranged on the rack (200), and the lifting driving part (700) is used for driving the second guide wheel (10012) to lift; and/or a transverse driving part (800) is arranged on the machine frame (200), and the transverse driving part (800) is used for driving the first abutting plate (10021) and the second abutting plate (10022) to be far away from or close to the sewing machine (1003).

4. A sewing machine comprising a frame (200), characterized in that:

further comprising a curve sewing device (100) according to any one of claims 1 to 3, provided on the frame (200), and a gripping mechanism (900) and a conveying mechanism (101);

the gripping mechanism (900) comprises a first gripping part (9001) and a second gripping part (9002), and the conveying mechanism (101) comprises a first conveying part (1011) and a second conveying part (1012);

the first grabbing part (9001) is used for grabbing the first fabric (300) to the first conveying part (1011), the first conveying part (1011) is used for conveying the first fabric (300) to a sewing area of the sewing machine (1003), the second grabbing part (9002) is used for grabbing the second fabric (400) to the second conveying part (1012), and the second conveying part (1012) is used for overlapping the second fabric (400) on the first fabric (300).

5. The sewing apparatus of claim 4, wherein:

the frame (200) is provided with a first adjusting unit (102), and the first adjusting unit (102) is used for adjusting the first fabric (300) conveyed by the first conveying part (1011) to a first preset position.

6. The sewing apparatus of claim 5, wherein:

the first adjusting unit (102) comprises a plurality of first adjusting parts (1021) arranged at intervals along the circumferential direction of the first fabric (300), and each first adjusting part (1021) comprises a first abutting end (10211) driven by a first driving part (1022) and capable of abutting against the first fabric (300).

7. The sewing apparatus of claim 6, wherein:

the first adjusting part (1021) is located on the conveying path of the first conveying part (1011), and the first driving part (1022) of the first adjusting part (1021) can drive the first abutting end (10211) to ascend and descend.

8. The sewing apparatus of claim 4, wherein:

and a second adjusting unit (103) is arranged on the frame (200), and the second adjusting unit (103) is used for adjusting the second fabric (400) to a second preset position.

9. The sewing apparatus of claim 8, wherein:

the second adjusting unit (103) comprises a plurality of second adjusting parts (1031), and each second adjusting part (1031) comprises a second pushing end which is driven by a second driving part (1032) and can push the second fabric (400);

the installation height of the second abutting end is adjustable.

10. The sewing apparatus according to any one of claims 4 to 9, characterized in that:

the frame (200) is provided with a storage part (104) for storing the first fabric (300) and the second fabric (400), and the storage part (104) comprises a storage bin (1041) and a fourth driving part (1042) for driving the storage bin (1041) to ascend and descend.

Images