WO2024087592A1 - Thread trimming device and automatic stitching device - Google Patents

Thread trimming device and automatic stitching device Download PDF

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Publication number
WO2024087592A1
WO2024087592A1 PCT/CN2023/094740 CN2023094740W WO2024087592A1 WO 2024087592 A1 WO2024087592 A1 WO 2024087592A1 CN 2023094740 W CN2023094740 W CN 2023094740W WO 2024087592 A1 WO2024087592 A1 WO 2024087592A1
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WO
WIPO (PCT)
Prior art keywords
piece
needle
sewing
fixed
thread
Prior art date
Application number
PCT/CN2023/094740
Other languages
French (fr)
Chinese (zh)
Inventor
苏建丰
黄钿
Original Assignee
浙江博睿智能科技有限公司
苏建丰
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Filing date
Publication date
Application filed by 浙江博睿智能科技有限公司, 苏建丰 filed Critical 浙江博睿智能科技有限公司
Publication of WO2024087592A1 publication Critical patent/WO2024087592A1/en

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Classifications

    • DTEXTILES; PAPER
    • D05SEWING; EMBROIDERING; TUFTING
    • D05BSEWING
    • D05B65/00Devices for severing the needle or lower thread
    • DTEXTILES; PAPER
    • D05SEWING; EMBROIDERING; TUFTING
    • D05BSEWING
    • D05B23/00Sewing apparatus or machines not otherwise provided for
    • D05B23/007Sewing units for assembling parts of knitted panties or closing the stocking toe part
    • D05B23/009Toe closers
    • DTEXTILES; PAPER
    • D05SEWING; EMBROIDERING; TUFTING
    • D05BSEWING
    • D05B65/00Devices for severing the needle or lower thread
    • D05B65/02Devices for severing the needle or lower thread controlled by the sewing mechanisms

Definitions

  • the utility model relates to a seam head, and more particularly to a thread cutting device and an automatic sewing device.
  • the sewing machine equipment technology can only complete basic weaving tasks. For example, cylindrical fabrics can only be woven as a whole, and one end of the fabric cannot be automatically sewn. The woven fabric needs to be placed on another sewing device for secondary processing and sewing to complete all the processes of the fabric. During this period, multiple workers need to cooperate with each other to complete all the processes. At the current stage of the production process, it can neither improve production efficiency nor reduce production costs.
  • the utility model proposes a wire cutting device, comprising: a fixed seat; a fixed shearing piece, which is fixed on the fixed seat; a movable shearing piece, which is fixed on the fixed seat by a pin; a bending and pulling plate, the upper end of which is coupled to the end of the movable shearing piece; a large-angle pulling plate, the upper end of which is coupled to the lower end of the bending and pulling plate; when the lower end of the large-angle pulling plate is pushed and pulled, the movable shearing piece is opened and closed relative to the fixed shearing piece.
  • the wire cutting device also includes: a bent hook piece, which is installed together with the movable shear piece and moves together; a bent push piece, which is fixed to a fixed seat by a pin; a paddle, the first end of which is combined with the end of the bent push piece to push and pull the bent push piece, and the second end of the paddle can move between the eccentric tightening ring on the bending and pulling plate and the upper end of the large-angle pulling plate.
  • the heads of the hook piece and the push piece are hook-shaped, and the hooks are opposite to each other.
  • the movable shearing piece approaches the fixed shearing piece, and the paddle makes the bent push piece move closer to the middle.
  • the bent push piece first contacts and pushes out a certain length of the wire to be cut, and then the hook piece contacts and tightens the wire to be cut, and the movable shearing piece and the fixed shearing piece cut the wire; when the lower end of the large-angle pull plate is pulled, the hook piece The movable shearing piece moves away from the fixed shearing piece, and the bending push piece and the bending hook piece move in opposite directions.
  • the wire trimming device further comprises: a cylinder connected to the lower end of the large-angle pulling plate; and a tension spring connecting the cylinder and the large-angle pulling plate.
  • the thread trimming device of the utility model has an ingenious and compact structure and can be effectively matched with a sewing and weaving machine to perform thread trimming.
  • the utility model also proposes an automatic sewing device, comprising: a thread cutting device as described above; a sewing device, which has a first sewing needle, a second sewing needle and a steel needle that cooperate with each other to tie knots; the thread cutting device is located close to the sewing point of the sewing device, and cuts the sewing coil after the sewing of the sewing device is completed.
  • the sewing device also includes: a first connecting rod, whose first end is connected to the second end of the long crank, the first end of the long crank is equipped with a first needle holder, and the first sewing needle is installed on the first needle holder; a second connecting rod, whose first end is connected to the second end of the short crank, the first end of the short crank is equipped with a second needle holder, and the second sewing needle is installed on the second needle holder.
  • the automatic suturing device also includes a motor device, which includes: a motor shaft; a large gear connected to one end of the motor shaft, the large gear having an eccentric mounting hole, the eccentric mounting hole being used to accommodate the second end of the first connecting rod; a small needle eccentric wheel connected to the other end of the motor shaft, the small needle eccentric wheel having an eccentric shaft end, and the eccentric shaft end is combined with the second end of the second connecting rod.
  • a motor device which includes: a motor shaft; a large gear connected to one end of the motor shaft, the large gear having an eccentric mounting hole, the eccentric mounting hole being used to accommodate the second end of the first connecting rod; a small needle eccentric wheel connected to the other end of the motor shaft, the small needle eccentric wheel having an eccentric shaft end, and the eccentric shaft end is combined with the second end of the second connecting rod.
  • the automatic suturing device further comprises: a small gear hand wheel meshing with the large gear.
  • the distance from the cutting plane or cutting point of the cutting device to the tip of the steel needle is between 10.1-20 mm, and the distance from the cutting plane or cutting point to the point where the first seam knitting needle and the second seam knitting needle intersect is between 15.1-25 mm.
  • the automatic sewing device of the utility model transfers the fabric to the sewing device through the transfer device, and automatically sews one end of the fabric. After the sewing is completed, the thread cutting device automatically cuts off the sewing loops on the sewn fabric.
  • the beneficial effects of the utility model include: the opening of the fabric, such as the toe of the socks, can be automatically sewn during the weaving process, and a thread cutting device is provided, which can automatically cut the sewing coils after the sewing is completed, and the fabric does not need to be processed again, which greatly improves the production efficiency, reduces the cost, and realizes automated production.
  • FIG. 1 is a perspective view of the automatic suturing device of the present invention.
  • FIG. 2 is a front view of the automatic suturing device of the present invention.
  • FIG. 3 is a three-dimensional view of the automatic suturing device of the present invention from another angle.
  • FIG. 4 is a three-dimensional view of the motor device of the automatic suturing device of the present invention from one angle.
  • FIG. 5 is a three-dimensional view of the motor device of the automatic suturing device of the present invention from another angle.
  • FIG. 6 is a left side view of the automatic suturing device of the present invention shown in FIG. 2 .
  • FIG. 7 is a right side view of the automatic suturing device of the present invention shown in FIG. 2 .
  • FIG. 8 is a rear view of the automatic suturing device of the present invention shown in FIG. 2 .
  • FIG. 9 is a schematic diagram of the structure of the steel needle of the automatic suturing device of the present invention.
  • FIG. 10 is a top view of the automatic suturing device of the present invention shown in FIG. 2 .
  • FIG. 15 is a schematic structural diagram of a thread trimming device of the automatic suturing device of the present invention in an open state.
  • FIG. 16 is a schematic structural diagram of a thread trimming device of the automatic suturing device of the present invention in a closed state.
  • FIG. 1 sewing device 1, steel needle 2, steel needle tip head 211, steel needle tip 212, steel needle body 213, steel needle mounting seat 22, first sewing needle 3, second sewing needle 4, motor device 5, large gear 51, eccentric mounting hole 511, first connecting rod 52, long crank 53, small gear hand wheel 54, small needle eccentric wheel 55, eccentric shaft end 551, second connecting rod 56, short crank 57, thread trimming device 6, fixed shearing piece 61, movable shear Plate 62, bent hook plate 63, bent push plate 64, bent pull plate 65, eccentric tightening ring 66, paddle 67, hanging seat 68, large angle pull plate 69, tension spring 70, cylinder 71, support plate 72, fixed seat 73, latch 74, sewing coil 8, first needle holder 9, second needle holder 10, motor rotation direction 11, first connecting rod movement direction 12, first sewing needle movement direction 13, second connecting rod movement direction 14, second sewing needle movement direction 15, sewing direction 16.
  • the device of the present application is described below using a fabric opening as an example, but the present application is not limited to sewing a fabric opening.
  • an automatic sewing device capable of automatically cutting threads of the present invention comprises: a sewing device 1 and a thread cutting device 6 .
  • the sewing device 1 includes: a first sewing needle 3, a second sewing needle 4 and a steel needle 2.
  • the first sewing needle 3 (large needle) and the second sewing needle 4 (small needle) are mutually knotted and cooperate with the steel needle 2 to form a sewing coil 8 (see Figure 10), thereby sewing the opening of the fabric.
  • the first sewing needle 3 is installed on the first needle holder 9, and the second sewing needle 4 is installed on the second needle holder 10.
  • the first needle holder 9 and the second needle holder 10 are driven by the motor device 5 to drive the first sewing needle 3 and the second sewing needle 4 to perform a knotting movement: as shown in Figure 3, the first sewing needle 3 moves along the direction 13 (the movement direction of the first sewing needle), and the second sewing needle 4 moves along the direction 15 (the movement direction of the second sewing needle), and the movement planes where the movement directions of the first sewing needle 3 and the second sewing needle 4 are located are perpendicular to each other.
  • Fig. 4 shows a three-dimensional view of the motor device 5 from an angle.
  • a large gear 51 is fixedly mounted on the motor device 5, and a convex block is mounted on the large gear 51, and an eccentric mounting hole 511 is provided on the convex block.
  • Fig. 5 shows a perspective view of the motor device 5 at one angle.
  • a small needle eccentric wheel 55 is fixedly mounted on the motor device 5, and an eccentric shaft end 551 is fixed on the small needle eccentric wheel 55.
  • the large gear 51 and the small needle eccentric wheel 55 can be mounted on both sides of the motor device 5.
  • the large gear 51 and the small needle eccentric wheel 55 can be arranged on a motor shaft. When the motor shaft rotates, the large gear 51 and the small needle eccentric wheel 55 can be driven to rotate simultaneously, thereby simultaneously actuating the first seam knitting needle 3 and the second seam knitting needle 4. In this way, the seam knitting can be adjusted by manually rotating the small gear hand wheel 54 (see below).
  • the sewing device 1 includes a first connecting rod 52 and a long crank 53, which are installed on a box body.
  • the first end of the long crank 53 is installed with a first needle holder 9, and the first sewing needle 3 is installed on the first needle holder 9.
  • the second end of the long crank 53 is connected to the first end of the first connecting rod 52, and the second end of the first connecting rod 52 is installed on the eccentric mounting hole 511 on the large gear 51 of the motor device 5.
  • the motor device 5 is running, the large gear 51 is driven to rotate clockwise in the direction of the arrow 11, and the first connecting rod 52 swings up and down in the direction indicated by the direction 12 (the direction of movement of the first connecting rod, see FIG8 ).
  • the second end of the long crank 53 is driven to move back and forth in the direction 16: when the eccentric mounting hole 511 runs to the lowest position, the second end of the long crank 53 is pulled down; when the eccentric mounting hole 511 runs to the highest position, the second end of the long crank 53 returns to its original position.
  • the first needle holder 9 located on the first end of the first connecting rod 52 moves back and forth in the direction 13, so that the first knitting needle 3 moves according to a fixed movement path.
  • the sewing device 1 also includes a short crank 57 and a second connecting rod 56, which are also installed on the box.
  • the first end of the short crank 57 is equipped with a second needle holder 10, and the second needle holder 10 is equipped with a second sewing needle 4.
  • the second end of the short crank 57 is connected to the first end of the second connecting rod 56, and the second end of the second connecting rod 56 is connected to the eccentric shaft end 551 of the small needle eccentric wheel 55, which is installed on the motor device 5 and driven by the motor device 5.
  • the small needle eccentric wheel 55 When the motor device 5 rotates, the small needle eccentric wheel 55 is driven to rotate in direction 11 (motor rotation direction, counterclockwise), and the second connecting rod 56 swings back and forth up and down and left and right in the direction indicated by direction 14 (see Figure 8), driving the short crank 57 to move, and the needle holder 9 moves back and forth in direction 15, so that the second sewing needle 4 moves according to a fixed motion path.
  • a small gear hand wheel 54 is installed on the box body, which meshes with the large gear 51.
  • the hand wheel 54 is manually rotated to drive the large gear 51 to rotate, so that the first stitching needle 3 and the second stitching needle 4 move, which is convenient for observing whether the stitching position is correct and the stitching effect.
  • the speed of the motor device 5 (controlled by the textile machine computer control system) is configured to achieve a uniform and stable movement effect.
  • the sewing device 1 also includes a steel needle mounting seat 22 and a steel needle 2, and the steel needle 2 is mounted on the steel needle mounting seat 22.
  • the structure of the steel needle 2 is shown in Fig. 9.
  • the steel needle 2 includes a steel needle tip 212 and a steel needle body 213.
  • the needle tip 212 is located at one end of the steel needle body 213.
  • the needle tip 212 extends outward and gradually narrows on both sides.
  • the front end of the steel needle tip 212 has a steel needle tip head 211.
  • the steel needle 2 is outside the first stitching needle 3.
  • the steel needle 2 is parallel to the plane where the first stitching needle 3 moves and is perpendicular to the plane where the second stitching needle 4 moves.
  • the first stitching needle 3 and the second stitching needle 4 cooperate with the steel needle 2 to perform interlaced motion to perform stitching and weaving to form a chain stitch (sewing loop 8).
  • the fabric to be sewn is placed in the sewing position.
  • the sewing position is below the first sewing needle 3, above the second sewing needle 4, and to the left of the steel needle 2.
  • the fabric to be sewn is supported by a circular seam head tooth (not shown), which can be rotated or moved so that the sewing loop 8 is always placed in the sewing position.
  • the direction of movement of the fabric to be sewn is shown in the direction 16 (sewing direction) in the figure, that is, it is consistent with the main body direction of the steel needle 2.
  • the first sewing needle 3 and the second sewing needle 4 are at the starting position.
  • the second sewing needle 4 moves upward (see the right side view in Figure 12) to pass through the sewing thread carried by the first sewing needle 3, so that the sewing thread is wrapped around the back of the second sewing needle 4 to form a loop, and the second sewing needle 4 passes through the coil of the fabric, and at the same time the first sewing needle 3 moves backward (see the left side view in Figure 12), tightening the thread wrapped around the second sewing needle, and making the sewing thread on the first sewing needle 3 wrapped around the steel needle 2.
  • the automatic sewing device of the present invention further comprises a thread trimming device 6. After sewing and weaving, the thread needs to be trimmed. As shown in FIGS. 1 , 2 , 15 and 16 , the thread trimming device 6 of the present invention comprises a fixed shearing piece 61 and a movable shearing piece 62 .
  • the fixed shearing piece 61 and the movable shearing piece 62 form a pair of scissors.
  • the thread is cut.
  • the fixed shearing piece 61 is fixed on the fixing seat 73, and the fixed shearing piece 61 is immovable.
  • the fixing seat 73 can be installed on the box body of the sewing device 1, so that the fixed shearing piece 61 is located below the first sewing needle 3, which is convenient for thread cutting.
  • the movable shearing piece 62 is installed on the upper end of the bending and pulling plate 65, the lower end of the bending and pulling plate 65 is connected to the upper end of the large angle pulling plate 69, and the lower end of the large angle pulling plate 69 is connected to the cylinder 71, and the cylinder 71 performs telescopic movement to move the movable shearing piece 62.
  • the wire cutting device 6 is in a closed state (as shown in Figure 15), and when the cylinder 71 is deflated, the wire cutting device 6 is in an open state (as shown in Figure 16).
  • the cylinder 71 is connected to the fixed seat 73 through the support plate 72.
  • a tension spring 70 is installed on the cylinder 71, and the tension spring 70 is connected between the lower end of the large-angle pull plate 69 and the cylinder 71.
  • the tension spring 70 Through the tension of the tension spring 70, the scissors composed of the fixed shearing blade 61 and the movable shearing blade 61 can be quickly opened after closing, so as to prepare for the next wire cutting.
  • the thread cutting device 6 of the present invention further comprises a hook piece 63 and a push piece 64.
  • the hook piece 63 and the movable shear piece 62 are fitted and installed on the upper end of the bending and pulling plate 65, and the two can move together.
  • the ends of the hook piece 63 and the movable shear piece 62 are fixed on the hanging seat 68 through the latch 74, and the hanging seat 68 is fixed on the fixed seat 73.
  • the hook piece 63 and the movable shear piece 62 are driven to move around the latch 74 together.
  • the front end of the hook piece 63 is in the shape of a hook, which can hook the sewing coil 8 during the thread cutting process to prevent the sewing coil 8 from sliding out of the shearing position.
  • the push-bend piece 64 is installed outside the hook piece 63, and is installed in close contact with the hook piece 63, so that the push-bend piece 64 and the hook piece 63 can move relative to each other.
  • the middle section of the push-bend piece 64 can also be fixed on the hanger 68 by a latch 74.
  • the end of the push-bend piece 64 is a forked structure, and the forked structure accommodates the first end of the paddle 67.
  • the paddle 67 is L-shaped, and the first end of the paddle 67 is stuck in the bifurcated structure at the end of the bending push plate 64.
  • the second end of the paddle 67 is stuck between the eccentric ring 66 of the bending and pulling plate 65 and the upper end of the large-angle pulling plate 69 (that is, the junction of the large-angle pulling plate 69 and the bending and pulling plate 65), and the movement stroke of the second end of the paddle 67 is also between the eccentric ring 66 and the upper end of the large-angle pulling plate 69.
  • the push-bend piece 64 moves in opposite directions to the hook piece 63, which will be described in detail below.
  • the movable shearing piece 62 and the hook piece 63 are open.
  • the cylinder 71 advances, pushing the lower end of the large angle pull plate 69, the upper end of the large angle pull plate 69 descends, pulling the lower end of the bent pull plate 65, the bent pull plate 65 descends, and the movable shearing piece 62 and the hook piece 63 are driven to move closer to the middle.
  • the bent pull plate 65 descends
  • the eccentric tightening ring 66 descends, and the second end of the paddle 67 is pressed down.
  • the first end of the paddle 67 pushes the bifurcated structure at the end of the bent push plate 64 to swing to the left, and the bent push plate 64 moves closer to the middle to achieve wire trimming.
  • the air cylinder 71 is deflated and withdrawn outward, pulling the lower end of the large angle pull plate 69, and the upper end of the large angle pull plate 69 rises, and the upper end lifts the second end of the paddle 67. Accordingly, the first end of the paddle 67 pushes the forked structure at the end of the bent push plate 64 to swing to the right, and the bent push plate 64 moves outward. At the same time, the upper end of the large angle pull plate 69 rises, pushing the lower end of the bent pull plate 65, and the bent pull plate 65 rises, and the movable shearing plate 62 and the bent hook plate 63 are pushed outward.
  • the wire cutting device 6 is opened. As can be seen from Figure 16, the positions of the bent push plate 64 and the bent hook plate 63 can be staggered.
  • the front end of the curved push piece 64 is similar to the front end of the hook piece 63, both of which have a hook shape and the hook faces inward (when the front end of the curved push piece 64 and the hook piece 63 are opened, the hook directions of the two face each other), and play the following role: before completing the thread cutting action, the curved push piece 64 pushes the sewing coil, at this time, the movable shearing piece 62 and the hook piece 63 and the fixed shearing piece 61 are not closed yet, leaving a little space, and the curved push piece 64 can push the sewing coil out for a certain length, so as to leave a safe length of the sewing coil.
  • the front end of the hook piece 63 is in the shape of a hook, which can hook the sewing coil 8 to prevent the sewing coil 8 from sliding out of the shearing position.
  • the curved push piece 64 Through the curved push piece 64, the length of the sewing coil left at both ends of the fabric opening can be made consistent after completing the thread cutting action, and the length of the sewing coil left at both ends of the fabric opening can also be controlled by adjusting the position of the eccentric tightening ring 66 (that is, the travel range of the paddle 67), which can be long or short.
  • the thread trimming device 6 is placed below the sewing point of the sewing device 1, and can also be placed above and on both sides.
  • the distance from the thread trimming plane or the thread trimming point of the thread trimming device 6 to the tip of the steel needle 211 is preferably between 10.1-20 mm, and the distance from the thread trimming plane or the thread trimming point to the point where the first sewing needle 3 and the second sewing needle 4 intersect is preferably between 15.1-25 mm. If the distance is too close, there will be mutual interference in the mechanical structure, and if the distance is too far, the thread trimming device will not be able to trim the thread and lose the thread trimming function.
  • the invention realizes the function of automatically sewing the opening of a cylindrical fabric such as socks, and can automatically cut the sewing coil after the sewing is completed, and the length of the cut coil can be freely adjusted, which greatly improves the production efficiency of the fabric, does not need to perform secondary processing on the fabric to form a finished product, greatly reduces the production cost, and achieves the purpose of automated production.
  • the sewing speed is fast, the sewing is accurate, and the qualified rate of the fabric is greatly improved.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Sewing Machines And Sewing (AREA)

Abstract

The present utility model provides a thread trimming device, comprising: a fixing base (73); a fixed trimming piece (61) fixed on the fixing base (73); a movable trimming piece (62) fixed on the fixing base (73) by means of a bolt (74); a bent pull plate (65), the upper end of the bent pull plate (65) being bonded to the tail end of the movable trimming piece (62); and a large-angle pull plate (69), the upper end of the large-angle pull plate (69) being bonded to the lower end of the bent pull plate (65), and when the lower end of the large-angle pull plate (69) is pushed and pulled, the movable trimming piece (62) being opened and closed relative to the fixed trimming piece (61). The present utility model also provides an automatic stitching device, comprising: the thread trimming device (6); and a knitting device (1), the position of the thread trimming device (6) being close to a knitting point of the knitting device (1). According to the present utility model, after knitting is completed, a knitting thread loop can be automatically trimmed off, without needing to perform secondary processing on a fabric, thereby achieving automatic production.

Description

一种剪线装置以及自动缝合装置Thread cutting device and automatic sewing device 技术领域Technical Field
本实用新型涉及缝头,更具体地,涉及一种剪线装置以及自动缝合装置。The utility model relates to a seam head, and more particularly to a thread cutting device and an automatic sewing device.
背景技术Background technique
在现阶段的缝织机设备技术只能完成基本的编织任务,比如圆筒状织物只能完成整体编织,不能将织物的一端进行自动缝合,需要将完成编织的织物单独放到另一种缝合设备上进行二次加工缝合,从而完成织物的所有工序,在此期间需要多名工人相互配合完成所有工序。就现阶段的生产过程,既不能提高生产效率,也不能降低生产成本。At present, the sewing machine equipment technology can only complete basic weaving tasks. For example, cylindrical fabrics can only be woven as a whole, and one end of the fabric cannot be automatically sewn. The woven fabric needs to be placed on another sewing device for secondary processing and sewing to complete all the processes of the fabric. During this period, multiple workers need to cooperate with each other to complete all the processes. At the current stage of the production process, it can neither improve production efficiency nor reduce production costs.
实用新型内容Utility Model Content
针对背景技术中的问题,本实用新型提出了一种剪线装置,包括:固定座;定剪片,其固定在固定座上;动剪片,其由插销固定在固定座上;弯拉板,弯拉板的上端结合到所述动剪片的末端;大角拉板,大角拉板的上端结合到所述弯拉板的下端;当推拉所述大角拉板的下端时,使得所述动剪片相对于所述定剪片开合。In response to the problems in the background technology, the utility model proposes a wire cutting device, comprising: a fixed seat; a fixed shearing piece, which is fixed on the fixed seat; a movable shearing piece, which is fixed on the fixed seat by a pin; a bending and pulling plate, the upper end of which is coupled to the end of the movable shearing piece; a large-angle pulling plate, the upper end of which is coupled to the lower end of the bending and pulling plate; when the lower end of the large-angle pulling plate is pushed and pulled, the movable shearing piece is opened and closed relative to the fixed shearing piece.
优选地,所述的剪线装置还包括:弯钩片,其与所述动剪片贴合安装在一起,且一起运动;弯推片,其由插销固定在固定座上;拨片,拨片的第一端与弯推片的末端相结合以推拉弯推片,拨片的第二端能够在弯拉板上的偏心紧圈和大角拉板的上端之间运动。Preferably, the wire cutting device also includes: a bent hook piece, which is installed together with the movable shear piece and moves together; a bent push piece, which is fixed to a fixed seat by a pin; a paddle, the first end of which is combined with the end of the bent push piece to push and pull the bent push piece, and the second end of the paddle can move between the eccentric tightening ring on the bending and pulling plate and the upper end of the large-angle pulling plate.
优选地,所述弯钩片和所述弯推片的头部为弯钩状,且弯钩相对。Preferably, the heads of the hook piece and the push piece are hook-shaped, and the hooks are opposite to each other.
优选地,推动所述大角拉板的下端时,动剪片靠近定剪片,拨片使得弯推片向中间靠拢,在剪线之前,所述弯推片先接触并推出待剪线一定长度,然后弯钩片接触和拉紧待剪线,动剪片和定剪片剪线;拉动所述大角拉板的下端时,弯钩 片和动剪片远离定剪片,弯推片与弯钩片相对方向运动。Preferably, when the lower end of the large-angle pull plate is pushed, the movable shearing piece approaches the fixed shearing piece, and the paddle makes the bent push piece move closer to the middle. Before cutting the wire, the bent push piece first contacts and pushes out a certain length of the wire to be cut, and then the hook piece contacts and tightens the wire to be cut, and the movable shearing piece and the fixed shearing piece cut the wire; when the lower end of the large-angle pull plate is pulled, the hook piece The movable shearing piece moves away from the fixed shearing piece, and the bending push piece and the bending hook piece move in opposite directions.
优选地,所述的剪线装置还包括:气缸,其连接到所述大角拉板的下端;拉簧,其连接所述气缸和所述大角拉板。Preferably, the wire trimming device further comprises: a cylinder connected to the lower end of the large-angle pulling plate; and a tension spring connecting the cylinder and the large-angle pulling plate.
本实用新型的剪线装置结构巧妙,结构紧凑,能很高的配合缝织机进行剪线。The thread trimming device of the utility model has an ingenious and compact structure and can be effectively matched with a sewing and weaving machine to perform thread trimming.
本实用新型还提出一种自动缝合装置,包括:如前所述的剪线装置;缝织装置,其具有相互配合进行打结的第一缝织针、第二缝织针和钢皮针;所述剪线装置的位置靠近缝织装置的缝织点,在缝织装置的缝织完毕后对缝织线圈进行剪线。The utility model also proposes an automatic sewing device, comprising: a thread cutting device as described above; a sewing device, which has a first sewing needle, a second sewing needle and a steel needle that cooperate with each other to tie knots; the thread cutting device is located close to the sewing point of the sewing device, and cuts the sewing coil after the sewing of the sewing device is completed.
优选地,所述缝织装置还包括:第一连杆,其第一端连接到长曲柄第二端,长曲柄的第一端安装有第一针架,第一针架上安装有所述第一缝织针;第二连杆,其第一端连接到短曲柄第二端,短曲柄的第一端安装有第二针架,第二针架上安装有所述第二缝织针。Preferably, the sewing device also includes: a first connecting rod, whose first end is connected to the second end of the long crank, the first end of the long crank is equipped with a first needle holder, and the first sewing needle is installed on the first needle holder; a second connecting rod, whose first end is connected to the second end of the short crank, the first end of the short crank is equipped with a second needle holder, and the second sewing needle is installed on the second needle holder.
优选地,所述的自动缝合装置还包括电机装置,所述电机装置包括:电机轴;大齿轮,其连接在电机轴的一端,大齿轮具有偏心安装孔,偏心安装孔用于容纳所述第一连杆的第二端;小针偏心轮,其连接在电机轴的另一端,小针偏心轮具有偏心轴端,偏心轴端与第二连杆的第二端结合在一起。Preferably, the automatic suturing device also includes a motor device, which includes: a motor shaft; a large gear connected to one end of the motor shaft, the large gear having an eccentric mounting hole, the eccentric mounting hole being used to accommodate the second end of the first connecting rod; a small needle eccentric wheel connected to the other end of the motor shaft, the small needle eccentric wheel having an eccentric shaft end, and the eccentric shaft end is combined with the second end of the second connecting rod.
优选地,所述的自动缝合装置还包括:小齿轮手轮,其与所述大齿轮相啮合。Preferably, the automatic suturing device further comprises: a small gear hand wheel meshing with the large gear.
优选地,剪线装置的剪线平面或者剪线的点位置到钢皮针的钢皮针针尖部头部的距离在10.1-20mm之间,剪线平面或者剪线的点位置到第一缝织针与第二缝织针运动相交的点的距离在15.1-25mm之间。Preferably, the distance from the cutting plane or cutting point of the cutting device to the tip of the steel needle is between 10.1-20 mm, and the distance from the cutting plane or cutting point to the point where the first seam knitting needle and the second seam knitting needle intersect is between 15.1-25 mm.
本实用新型的自动缝合装置在缝织机设备完成编织后,通过转移装置将织物转移到缝合装置上,并进行自动缝合织物的一端,待缝合结束后,剪线装置将缝织好的织物上的缝织线圈自动剪断。After the sewing machine equipment completes weaving, the automatic sewing device of the utility model transfers the fabric to the sewing device through the transfer device, and automatically sews one end of the fabric. After the sewing is completed, the thread cutting device automatically cuts off the sewing loops on the sewn fabric.
本实用新型的有益效果包括:在编织过程中可以自动缝织织物的开口,比如袜子的袜头,并且提供了剪线装置,可以在缝织完成后自动剪断缝织线圈,不需要将织物进行二次加工,大大提高了生产效率,降低了成本,实现了自动化生产。 The beneficial effects of the utility model include: the opening of the fabric, such as the toe of the socks, can be automatically sewn during the weaving process, and a thread cutting device is provided, which can automatically cut the sewing coils after the sewing is completed, and the fabric does not need to be processed again, which greatly improves the production efficiency, reduces the cost, and realizes automated production.
附图说明BRIEF DESCRIPTION OF THE DRAWINGS
为了更容易理解本实用新型,将通过参照附图中示出的具体实施方式更详细地描述本实用新型。这些附图只描绘了本实用新型的典型实施方式,不应认为对本实用新型保护范围的限制。In order to make the present invention more easily understood, the present invention will be described in more detail by referring to the specific embodiments shown in the accompanying drawings. These drawings only depict typical embodiments of the present invention and should not be considered as limiting the scope of protection of the present invention.
图1为本发明的自动缝合装置的立体图。FIG. 1 is a perspective view of the automatic suturing device of the present invention.
图2为本发明的自动缝合装置的主视图。FIG. 2 is a front view of the automatic suturing device of the present invention.
图3为本发明的自动缝合装置的另一个角度的立体图。FIG. 3 is a three-dimensional view of the automatic suturing device of the present invention from another angle.
图4为本发明的自动缝合装置的电机装置的一个角度的立体图。FIG. 4 is a three-dimensional view of the motor device of the automatic suturing device of the present invention from one angle.
图5为本发明的自动缝合装置的电机装置的另一个角度的立体图。FIG. 5 is a three-dimensional view of the motor device of the automatic suturing device of the present invention from another angle.
图6为图2所述的本发明的自动缝合装置的左视图。FIG. 6 is a left side view of the automatic suturing device of the present invention shown in FIG. 2 .
图7为图2所述的本发明的自动缝合装置的右视图。FIG. 7 is a right side view of the automatic suturing device of the present invention shown in FIG. 2 .
图8为图2所述的本发明的自动缝合装置的后视图。FIG. 8 is a rear view of the automatic suturing device of the present invention shown in FIG. 2 .
图9为本发明的自动缝合装置的钢皮针的结构示意图。FIG. 9 is a schematic diagram of the structure of the steel needle of the automatic suturing device of the present invention.
图10为图2所述的本发明的自动缝合装置的俯视图。FIG. 10 is a top view of the automatic suturing device of the present invention shown in FIG. 2 .
图11-图14显示了本发明的缝织针和钢皮针的运动过程。11-14 show the movement process of the sewing needle and the steel needle of the present invention.
图15为本发明的自动缝合装置的处于张开状态的剪线装置的结构示意图。FIG. 15 is a schematic structural diagram of a thread trimming device of the automatic suturing device of the present invention in an open state.
图16为本发明的自动缝合装置的处于闭合状态的剪线装置的结构示意图。FIG. 16 is a schematic structural diagram of a thread trimming device of the automatic suturing device of the present invention in a closed state.
附图标记
缝织装置1、钢皮针2、钢皮针针尖部头部211、钢皮针针尖部212、钢皮针
主体213、钢皮针安装座22、第一缝织针3、第二缝织针4、电机装置5、大齿轮51、偏心安装孔511、第一连杆52、长曲柄53、小齿轮手轮54、小针偏心轮55、偏心轴端551、第二连杆56、短曲柄57、剪线装置6、定剪片61、动剪片62、弯钩片63、弯推片64、弯拉板65、偏心紧圈66、拨片67、挂座68、大角拉板69、拉簧70、气缸71、支撑板72、固定座73、插销74、缝织线圈8、第一针架9、第二针架10、电机旋转方向11、第一连杆运动方向12、第一缝织针运动方向13、第二连杆运动方向14、第二缝织针运动方向15、缝织方向16。
Figure 1: sewing device 1, steel needle 2, steel needle tip head 211, steel needle tip 212, steel needle body 213, steel needle mounting seat 22, first sewing needle 3, second sewing needle 4, motor device 5, large gear 51, eccentric mounting hole 511, first connecting rod 52, long crank 53, small gear hand wheel 54, small needle eccentric wheel 55, eccentric shaft end 551, second connecting rod 56, short crank 57, thread trimming device 6, fixed shearing piece 61, movable shear Plate 62, bent hook plate 63, bent push plate 64, bent pull plate 65, eccentric tightening ring 66, paddle 67, hanging seat 68, large angle pull plate 69, tension spring 70, cylinder 71, support plate 72, fixed seat 73, latch 74, sewing coil 8, first needle holder 9, second needle holder 10, motor rotation direction 11, first connecting rod movement direction 12, first sewing needle movement direction 13, second connecting rod movement direction 14, second sewing needle movement direction 15, sewing direction 16.
具体实施方式Detailed ways
下面参照附图描述本实用新型的实施方式,以便于本领域的技术人员可以更好的理解本实用新型并能予以实施,但所列举的实施例不作为本实用新型的限定,在不冲突的情况下,下述的实施例及实施例中的技术特征可以相互组合,其中相同的部件用相同的附图标记表示。The following describes the implementation mode of the present invention with reference to the accompanying drawings, so that those skilled in the art can better understand the present invention and implement it. However, the enumerated embodiments are not intended to limit the present invention. In the absence of conflict, the following embodiments and the technical features in the embodiments can be combined with each other, wherein the same components are represented by the same figure marks.
下面以织物开口为例来描述本申请的装置,本申请并不限于缝合织物开口。The device of the present application is described below using a fabric opening as an example, but the present application is not limited to sewing a fabric opening.
如图1-2所示,本发明的一种能够自动剪线的自动缝合装置,包括:缝织装置1和剪线装置6。As shown in FIGS. 1-2 , an automatic sewing device capable of automatically cutting threads of the present invention comprises: a sewing device 1 and a thread cutting device 6 .
缝织装置1包括:第一缝织针3、第二缝织针4和钢皮针2。通过第一缝织针3(大针)、第二缝织针4(小针)相互打结运动,并与钢皮针2相互配合形成缝织线圈8(见图10),从而来缝织织物的开口。第一缝织针3安装在第一针架9上,第二缝织针4安装在第二针架10上,第一针架9和第二针架10通过电机装置5驱动,带动第一缝织针3与第二缝织针4进行打结运动:如图3所示,第一缝织针3沿方向13(第一缝织针运动方向)运动,第二缝织针4沿方向15(第二缝织针运动方向)运动,第一缝织针3和第二缝织针4的运动方向所在的运动面彼此垂直。The sewing device 1 includes: a first sewing needle 3, a second sewing needle 4 and a steel needle 2. The first sewing needle 3 (large needle) and the second sewing needle 4 (small needle) are mutually knotted and cooperate with the steel needle 2 to form a sewing coil 8 (see Figure 10), thereby sewing the opening of the fabric. The first sewing needle 3 is installed on the first needle holder 9, and the second sewing needle 4 is installed on the second needle holder 10. The first needle holder 9 and the second needle holder 10 are driven by the motor device 5 to drive the first sewing needle 3 and the second sewing needle 4 to perform a knotting movement: as shown in Figure 3, the first sewing needle 3 moves along the direction 13 (the movement direction of the first sewing needle), and the second sewing needle 4 moves along the direction 15 (the movement direction of the second sewing needle), and the movement planes where the movement directions of the first sewing needle 3 and the second sewing needle 4 are located are perpendicular to each other.
图4显示了电机装置5的一个角度的的立体图。电机装置5上固定安装有大齿轮51,大齿轮51上安装有凸块,凸块上具有偏心安装孔511。Fig. 4 shows a three-dimensional view of the motor device 5 from an angle. A large gear 51 is fixedly mounted on the motor device 5, and a convex block is mounted on the large gear 51, and an eccentric mounting hole 511 is provided on the convex block.
图5显示了电机装置5的一个角度的的立体图。电机装置5上固定安装有小针偏心轮55,小针偏心轮55上固定有偏心轴端551。大齿轮51和小针偏心轮55可以安装在电机装置5的两侧。Fig. 5 shows a perspective view of the motor device 5 at one angle. A small needle eccentric wheel 55 is fixedly mounted on the motor device 5, and an eccentric shaft end 551 is fixed on the small needle eccentric wheel 55. The large gear 51 and the small needle eccentric wheel 55 can be mounted on both sides of the motor device 5.
大齿轮51和小针偏心轮55可以按照在一个电机轴上,电机轴转动时,可以带动大齿轮51和小针偏心轮55同时转动,从而同时致动第一缝织针3和第二缝织针4。如此可以通过手动旋转小齿轮手轮54(见下文)来进行缝织的调节。 The large gear 51 and the small needle eccentric wheel 55 can be arranged on a motor shaft. When the motor shaft rotates, the large gear 51 and the small needle eccentric wheel 55 can be driven to rotate simultaneously, thereby simultaneously actuating the first seam knitting needle 3 and the second seam knitting needle 4. In this way, the seam knitting can be adjusted by manually rotating the small gear hand wheel 54 (see below).
如图6所示,缝织装置1包括第一连杆52、长曲柄53,安装在箱体上。长曲柄53的第一端安装有第一针架9,第一针架9上安装有第一缝织针3。长曲柄53的第二端连接到第一连杆52的第一端,第一连杆52的第二端安装到电机装置5的大齿轮51上的偏心安装孔511上。当电机装置5运转时,带动大齿轮51按箭头方向11顺时针转动,第一连杆52在方向12(第一连杆运动方向,见图8)所指方向上下往返摆动。从而带动长曲柄53的第二端按照方向16往返运动:当偏心安装孔511运行到最低位置,长曲柄53的的第二端被拉动下压;当偏心安装孔511运行到最高位置,当位于长曲柄53的第二端恢复到原位。如此,位于第一连杆52的第一端上的第一针架9按方向13往返运动,从而第一缝织针3按照固定的运动路径运动。As shown in FIG6 , the sewing device 1 includes a first connecting rod 52 and a long crank 53, which are installed on a box body. The first end of the long crank 53 is installed with a first needle holder 9, and the first sewing needle 3 is installed on the first needle holder 9. The second end of the long crank 53 is connected to the first end of the first connecting rod 52, and the second end of the first connecting rod 52 is installed on the eccentric mounting hole 511 on the large gear 51 of the motor device 5. When the motor device 5 is running, the large gear 51 is driven to rotate clockwise in the direction of the arrow 11, and the first connecting rod 52 swings up and down in the direction indicated by the direction 12 (the direction of movement of the first connecting rod, see FIG8 ). Thereby, the second end of the long crank 53 is driven to move back and forth in the direction 16: when the eccentric mounting hole 511 runs to the lowest position, the second end of the long crank 53 is pulled down; when the eccentric mounting hole 511 runs to the highest position, the second end of the long crank 53 returns to its original position. In this way, the first needle holder 9 located on the first end of the first connecting rod 52 moves back and forth in the direction 13, so that the first knitting needle 3 moves according to a fixed movement path.
如图7所示,缝织装置1还包括短曲柄57、第二连杆56,也安装在所述箱体上。短曲柄57的第一端上安装有第二针架10,第二针架10上安装有第二缝织针4。短曲柄57的第二端连接到第二连杆56的第一端,第二连杆56的第二端连接到小针偏心轮55的偏心轴端551上,小针偏心轮55安装在电机装置5上,由电机装置5驱动。当电机装置5转动时,带动小针偏心轮55按方向11(电机旋转方向,逆时针方向)转动,第二连杆56在方向14(见图8)所指方向上下左右往返摆动,带动短曲柄57运动,针架9按方向15往返运动,从而第二缝织针4按照固定的运动路径运动。As shown in Figure 7, the sewing device 1 also includes a short crank 57 and a second connecting rod 56, which are also installed on the box. The first end of the short crank 57 is equipped with a second needle holder 10, and the second needle holder 10 is equipped with a second sewing needle 4. The second end of the short crank 57 is connected to the first end of the second connecting rod 56, and the second end of the second connecting rod 56 is connected to the eccentric shaft end 551 of the small needle eccentric wheel 55, which is installed on the motor device 5 and driven by the motor device 5. When the motor device 5 rotates, the small needle eccentric wheel 55 is driven to rotate in direction 11 (motor rotation direction, counterclockwise), and the second connecting rod 56 swings back and forth up and down and left and right in the direction indicated by direction 14 (see Figure 8), driving the short crank 57 to move, and the needle holder 9 moves back and forth in direction 15, so that the second sewing needle 4 moves according to a fixed motion path.
优选地,如图6和图8所示,在所述箱体上安装一个小齿轮手轮54,其与大齿轮51啮合。调试初期通过手动转动手轮54,带动大齿轮51转动,使第一缝织针3与第二缝织针4运动,方便观察缝织位置是否正确以及观察缝织效果。调试过后,再配置电机装置5(通过纺织机电脑控制系统来控制)的速度,实现匀速且稳定的运动效果。Preferably, as shown in FIG6 and FIG8, a small gear hand wheel 54 is installed on the box body, which meshes with the large gear 51. In the initial debugging, the hand wheel 54 is manually rotated to drive the large gear 51 to rotate, so that the first stitching needle 3 and the second stitching needle 4 move, which is convenient for observing whether the stitching position is correct and the stitching effect. After debugging, the speed of the motor device 5 (controlled by the textile machine computer control system) is configured to achieve a uniform and stable movement effect.
如图1-3所示,缝织装置1还包括钢皮针安装座22和钢皮针2,钢皮针2安装在钢皮针安装座22上。钢皮针2的结构如图9所示,钢皮针2包括钢皮针针尖部212和钢皮针主体213,皮针针尖部212位于钢皮针主体213的一端,钢皮针 针尖部212向外侧一直延伸并且两边逐渐变窄,钢皮针针尖部212最前端拥有钢皮针针尖部头部211。钢皮针2在第一缝织针3外侧,钢皮针2平行于第一缝织针3运动方向所在平面,垂直于第二缝织针4运动方向所在平面。第一缝织针3和第二缝织针4配合钢皮针2进行交织运动,进行缝织,形成链式针脚(缝织线圈8)。As shown in Fig. 1-3, the sewing device 1 also includes a steel needle mounting seat 22 and a steel needle 2, and the steel needle 2 is mounted on the steel needle mounting seat 22. The structure of the steel needle 2 is shown in Fig. 9. The steel needle 2 includes a steel needle tip 212 and a steel needle body 213. The needle tip 212 is located at one end of the steel needle body 213. The needle tip 212 extends outward and gradually narrows on both sides. The front end of the steel needle tip 212 has a steel needle tip head 211. The steel needle 2 is outside the first stitching needle 3. The steel needle 2 is parallel to the plane where the first stitching needle 3 moves and is perpendicular to the plane where the second stitching needle 4 moves. The first stitching needle 3 and the second stitching needle 4 cooperate with the steel needle 2 to perform interlaced motion to perform stitching and weaving to form a chain stitch (sewing loop 8).
下面参照图10-14描述第一缝织针3、第二缝织针4的运动过程。The movement process of the first seam knitting needle 3 and the second seam knitting needle 4 is described below with reference to Figures 10-14.
如图10所示,待缝合织物放在缝合位置。缝合位置在第一缝织针3下方,在第二缝织针4上方,在钢皮针2左侧。待缝合织物由圆形缝头齿(未示出)支撑,缝头齿可以转动或移动,从而将缝织线圈8总是放置在缝合位置上。以织物行进的大致方向看,待缝合织物的行进方向为图中方向16(缝织方向)所示,也即,与钢皮针2的主体方向一致。As shown in FIG. 10 , the fabric to be sewn is placed in the sewing position. The sewing position is below the first sewing needle 3, above the second sewing needle 4, and to the left of the steel needle 2. The fabric to be sewn is supported by a circular seam head tooth (not shown), which can be rotated or moved so that the sewing loop 8 is always placed in the sewing position. In terms of the general direction of the fabric's movement, the direction of movement of the fabric to be sewn is shown in the direction 16 (sewing direction) in the figure, that is, it is consistent with the main body direction of the steel needle 2.
如图11所示的两个呈90度方向的两个视图,在缝织开始前,第一缝织针3与第二缝织针4在起始位置。As shown in two views at 90 degrees in FIG. 11 , before sewing begins, the first sewing needle 3 and the second sewing needle 4 are at the starting position.
如图12所示的两个呈90度方向的两个视图,在缝织开始时,第二缝织针4向上运动(见图12右侧视图)穿过第一缝织针3上带着的缝织线,使缝织线绕在第二缝织针4针背上,形成一个环,并且第二缝织针4穿过织物的线圈,同时第一缝织针3向后运动(见图12左侧视图),拉紧缠绕在第二缝织针上的线,并使得第一缝织针3上的缝织线绕在钢皮针2上。As shown in two views at 90 degrees in Figure 12, at the beginning of sewing, the second sewing needle 4 moves upward (see the right side view in Figure 12) to pass through the sewing thread carried by the first sewing needle 3, so that the sewing thread is wrapped around the back of the second sewing needle 4 to form a loop, and the second sewing needle 4 passes through the coil of the fabric, and at the same time the first sewing needle 3 moves backward (see the left side view in Figure 12), tightening the thread wrapped around the second sewing needle, and making the sewing thread on the first sewing needle 3 wrapped around the steel needle 2.
如图13所示的两个呈90度方向的两个视图,当第一缝织针3和第二缝织针4都运动到另一端后。如图14所示,第一缝织针3向前(见图14左侧视图)运动,针尖穿过第二缝织针上带着的缝织线,使缝织线绕在第一缝织针3针背上,形成一个环,同时第二缝织针4向下运动(见图14右侧视图),拉紧缠绕在第一缝织针上的线,并使得第二缝织针上的缝织线绕在钢皮针2上,使得第一缝织针3与第二缝织针4上的缝织线能够相互交错形成一个结。As shown in two views at 90 degrees in FIG. 13 , when the first knitting needle 3 and the second knitting needle 4 both move to the other end, as shown in FIG. 14 , the first knitting needle 3 moves forward (see the left side view of FIG. 14 ), and the needle tip passes through the knitting thread carried by the second knitting needle, so that the knitting thread is wound around the needle back of the first knitting needle 3 to form a loop, and at the same time, the second knitting needle 4 moves downward (see the right side view of FIG. 14 ), tightening the thread wound around the first knitting needle, and making the knitting thread on the second knitting needle wind around the steel needle 2, so that the knitting threads on the first knitting needle 3 and the second knitting needle 4 can interlace with each other to form a knot.
本发明的自动缝合装置还包括剪线装置6。缝织完毕后需要剪线,如图1、图2、图15和图16所示,本发明的剪线装置6包括:定剪片61和动剪片62。 The automatic sewing device of the present invention further comprises a thread trimming device 6. After sewing and weaving, the thread needs to be trimmed. As shown in FIGS. 1 , 2 , 15 and 16 , the thread trimming device 6 of the present invention comprises a fixed shearing piece 61 and a movable shearing piece 62 .
定剪片61和动剪片61组成一个剪刀。当动剪片62运动到与动剪片61重叠时,进行剪线。The fixed shearing piece 61 and the movable shearing piece 62 form a pair of scissors. When the movable shearing piece 62 moves to overlap with the movable shearing piece 61, the thread is cut.
定剪片61固定在固定座73上,定剪片61不动,固定座73安装可以安装在缝织装置1的所述箱体上,使得定剪片61位于第一缝织针3下方,方便剪线。The fixed shearing piece 61 is fixed on the fixing seat 73, and the fixed shearing piece 61 is immovable. The fixing seat 73 can be installed on the box body of the sewing device 1, so that the fixed shearing piece 61 is located below the first sewing needle 3, which is convenient for thread cutting.
动剪片62安装在弯拉板65的上端,弯拉板65的下端连接到大角拉板69的上端,大角拉板69的下端连接到气缸71上,由气缸71进行伸缩运动从而使得动剪片62运动。气缸71进气时为剪线装置6闭合状态(如图15所示),气缸71退气时为剪线装置6张开状态(如图16所示)。气缸71通过支撑板72连接到固定座73上。The movable shearing piece 62 is installed on the upper end of the bending and pulling plate 65, the lower end of the bending and pulling plate 65 is connected to the upper end of the large angle pulling plate 69, and the lower end of the large angle pulling plate 69 is connected to the cylinder 71, and the cylinder 71 performs telescopic movement to move the movable shearing piece 62. When the cylinder 71 is inflated, the wire cutting device 6 is in a closed state (as shown in Figure 15), and when the cylinder 71 is deflated, the wire cutting device 6 is in an open state (as shown in Figure 16). The cylinder 71 is connected to the fixed seat 73 through the support plate 72.
优选地,为了保证剪线装置6在退气时可以迅速张开,在气缸71上安装了一根拉簧70,拉簧70连接在大角拉板69的下端和气缸71之间,通过拉簧70的拉力,让定剪片61和动剪片61组成的剪刀在闭合后可以迅速张开,为下次剪线做好准备。Preferably, in order to ensure that the wire cutting device 6 can be quickly opened when the air is deflated, a tension spring 70 is installed on the cylinder 71, and the tension spring 70 is connected between the lower end of the large-angle pull plate 69 and the cylinder 71. Through the tension of the tension spring 70, the scissors composed of the fixed shearing blade 61 and the movable shearing blade 61 can be quickly opened after closing, so as to prepare for the next wire cutting.
优选地,本发明的剪线装置6还包括弯钩片63和弯推片64。弯钩片63与动剪片62贴合安装在弯拉板65的上端上,两者可以一起运动。弯钩片63与动剪片62的末端通过插销74固定在挂座68上,挂座68固定在固定座73上。当气缸71运动时,带动弯钩片63和动剪片62一起绕插销74进行运动,弯钩片63前端呈钩子形状,在剪线过程中可以勾住缝织线圈8,防止缝织线圈8滑出剪切位置。Preferably, the thread cutting device 6 of the present invention further comprises a hook piece 63 and a push piece 64. The hook piece 63 and the movable shear piece 62 are fitted and installed on the upper end of the bending and pulling plate 65, and the two can move together. The ends of the hook piece 63 and the movable shear piece 62 are fixed on the hanging seat 68 through the latch 74, and the hanging seat 68 is fixed on the fixed seat 73. When the cylinder 71 moves, the hook piece 63 and the movable shear piece 62 are driven to move around the latch 74 together. The front end of the hook piece 63 is in the shape of a hook, which can hook the sewing coil 8 during the thread cutting process to prevent the sewing coil 8 from sliding out of the shearing position.
弯推片64安装在弯钩片63外侧,与弯钩片63贴合安装,弯推片64和弯钩片63可以相对运动。弯推片64的中间段也可以由插销74固定在挂座68上。弯推片64末端呈分叉结构,分叉结构容纳拨片67的第一端。The push-bend piece 64 is installed outside the hook piece 63, and is installed in close contact with the hook piece 63, so that the push-bend piece 64 and the hook piece 63 can move relative to each other. The middle section of the push-bend piece 64 can also be fixed on the hanger 68 by a latch 74. The end of the push-bend piece 64 is a forked structure, and the forked structure accommodates the first end of the paddle 67.
拨片67呈L形结构,拨片67的第一端卡在所述弯推片64末端的分叉结构内。拨片67的第二端卡在弯拉板65的偏心紧圈66和大角拉板69的上端(也就是大角拉板69和弯拉板65的结合处)之间,拨片67的第二端的运动行程也在偏心紧圈66和大角拉板69的上端之间。The paddle 67 is L-shaped, and the first end of the paddle 67 is stuck in the bifurcated structure at the end of the bending push plate 64. The second end of the paddle 67 is stuck between the eccentric ring 66 of the bending and pulling plate 65 and the upper end of the large-angle pulling plate 69 (that is, the junction of the large-angle pulling plate 69 and the bending and pulling plate 65), and the movement stroke of the second end of the paddle 67 is also between the eccentric ring 66 and the upper end of the large-angle pulling plate 69.
弯推片64与弯钩片63成相反的运动方向运动,下面进行详细描述。 The push-bend piece 64 moves in opposite directions to the hook piece 63, which will be described in detail below.
如图15-图16所示,在剪线之前,动剪片62、弯钩片63是张开的。在需要剪线时,气缸71推进,推动大角拉板69的下端,大角拉板69的上端下降,拉动弯拉板65的下端,弯拉板65下降,动剪片62和弯钩片63被带动向中间靠拢。另一方面,当弯拉板65下降时,偏心紧圈66下降,则下压拨片67的第二端,相应地,拨片67的第一端推动弯推片64末端的分叉结构向左摆动,弯推片64向中间靠拢,实现剪线。As shown in Figures 15 and 16, before the wire is trimmed, the movable shearing piece 62 and the hook piece 63 are open. When the wire needs to be trimmed, the cylinder 71 advances, pushing the lower end of the large angle pull plate 69, the upper end of the large angle pull plate 69 descends, pulling the lower end of the bent pull plate 65, the bent pull plate 65 descends, and the movable shearing piece 62 and the hook piece 63 are driven to move closer to the middle. On the other hand, when the bent pull plate 65 descends, the eccentric tightening ring 66 descends, and the second end of the paddle 67 is pressed down. Correspondingly, the first end of the paddle 67 pushes the bifurcated structure at the end of the bent push plate 64 to swing to the left, and the bent push plate 64 moves closer to the middle to achieve wire trimming.
在剪线完成之后,气缸71放气,向外撤出,拉动大角拉板69的下端,大角拉板69的上端上升,上端抬升拨片67的第二端,相应地,拨片67的第一端推动弯推片64末端的分叉结构向右摆动,弯推片64向外移动。同时,大角拉板69的上端上升,推动弯拉板65的下端,弯拉板65上升,动剪片62和弯钩片63被推动向外移动。实现剪线装置6张开。从图16可以看到,弯推片64和弯钩片63的位置是可以交错的。After the wire cutting is completed, the air cylinder 71 is deflated and withdrawn outward, pulling the lower end of the large angle pull plate 69, and the upper end of the large angle pull plate 69 rises, and the upper end lifts the second end of the paddle 67. Accordingly, the first end of the paddle 67 pushes the forked structure at the end of the bent push plate 64 to swing to the right, and the bent push plate 64 moves outward. At the same time, the upper end of the large angle pull plate 69 rises, pushing the lower end of the bent pull plate 65, and the bent pull plate 65 rises, and the movable shearing plate 62 and the bent hook plate 63 are pushed outward. The wire cutting device 6 is opened. As can be seen from Figure 16, the positions of the bent push plate 64 and the bent hook plate 63 can be staggered.
弯推片64前端与弯钩片63前端相似,都具有弯钩状且弯钩朝内(弯推片64前端与弯钩片63张开时,两者的弯钩方向朝向彼此),起到如下作用:在完成剪线动作前,弯推片64推动缝织线圈,此时动剪片62和弯钩片63与定剪片61还未闭合,留有一点空间,弯推片64可以把缝织线圈推推出一段长度,如此留出安全的缝织线圈长度。在剪线过程中,弯钩片63前端呈钩子形状,可以勾住缝织线圈8,防止缝织线圈8滑出剪切位置。通过弯推片64,可以使得在完成剪线动作后,使织物开口两端留出的缝织线圈长度一致,也可以通过调节偏心紧圈66的位置(即,拨片67的行程范围)来控制在织物开口两端留出的缝织线圈长度,可长亦可短。The front end of the curved push piece 64 is similar to the front end of the hook piece 63, both of which have a hook shape and the hook faces inward (when the front end of the curved push piece 64 and the hook piece 63 are opened, the hook directions of the two face each other), and play the following role: before completing the thread cutting action, the curved push piece 64 pushes the sewing coil, at this time, the movable shearing piece 62 and the hook piece 63 and the fixed shearing piece 61 are not closed yet, leaving a little space, and the curved push piece 64 can push the sewing coil out for a certain length, so as to leave a safe length of the sewing coil. During the thread cutting process, the front end of the hook piece 63 is in the shape of a hook, which can hook the sewing coil 8 to prevent the sewing coil 8 from sliding out of the shearing position. Through the curved push piece 64, the length of the sewing coil left at both ends of the fabric opening can be made consistent after completing the thread cutting action, and the length of the sewing coil left at both ends of the fabric opening can also be controlled by adjusting the position of the eccentric tightening ring 66 (that is, the travel range of the paddle 67), which can be long or short.
剪线装置6在图示的实施例中放置在缝织装置1的缝织点下方,也可以放置在上方和两侧。剪线装置6的剪线平面或者剪线的点位置到钢皮针针尖部头部211的距离优选地在10.1-20mm之间,剪线平面或者剪线的点位置到第一缝织针3与第二缝织针4运动相交的点的距离优选地在15.1-25mm之间,距离太近会存在机械结构上的相互干涉,距离太远剪线装置会无法剪到线,失去剪线功能。 In the illustrated embodiment, the thread trimming device 6 is placed below the sewing point of the sewing device 1, and can also be placed above and on both sides. The distance from the thread trimming plane or the thread trimming point of the thread trimming device 6 to the tip of the steel needle 211 is preferably between 10.1-20 mm, and the distance from the thread trimming plane or the thread trimming point to the point where the first sewing needle 3 and the second sewing needle 4 intersect is preferably between 15.1-25 mm. If the distance is too close, there will be mutual interference in the mechanical structure, and if the distance is too far, the thread trimming device will not be able to trim the thread and lose the thread trimming function.
本发明实现了例如袜子之类的圆筒状织物自动缝织其开口的功能,缝织结束后可以自动剪断缝织线圈,且可以自由调节剪断的线圈长度尺寸,大大提高了织物的生产效率,无需将织物进行二次加工形成完成品,大大降低生产成本,实现了自动化生产的目的。缝织速度快,缝织精准,大大提高了织物的合格率。The invention realizes the function of automatically sewing the opening of a cylindrical fabric such as socks, and can automatically cut the sewing coil after the sewing is completed, and the length of the cut coil can be freely adjusted, which greatly improves the production efficiency of the fabric, does not need to perform secondary processing on the fabric to form a finished product, greatly reduces the production cost, and achieves the purpose of automated production. The sewing speed is fast, the sewing is accurate, and the qualified rate of the fabric is greatly improved.
以上所述的实施例,只是本实用新型较优选的具体实施方式,本说明书使用词组“在一种实施例中”、“在另一个实施例中”、“在又一实施例中”或“在其他实施例中”,其均可指代根据本公开的相同或不同实施例中的一个或多个。本领域的技术人员在本实用新型技术方案范围内进行的通常变化和替换都应包含在本实用新型的保护范围内。 The embodiments described above are only preferred specific implementations of the present invention. The phrases "in one embodiment", "in another embodiment", "in yet another embodiment" or "in other embodiments" used in this specification may refer to one or more of the same or different embodiments according to the present disclosure. Common changes and substitutions made by those skilled in the art within the scope of the technical solution of the present invention should be included in the protection scope of the present invention.

Claims (10)

  1. 一种剪线装置,其特征在于,包括:A thread trimming device, characterized by comprising:
    固定座(73);Fixed seat (73);
    定剪片(61),其固定在固定座(73)上;A fixed shearing piece (61) fixed on a fixed seat (73);
    动剪片(62),其由插销(74)固定在固定座(73)上;A movable shearing piece (62) is fixed on a fixing seat (73) by a latch (74);
    弯拉板(65),弯拉板(65)的上端结合到所述动剪片(62)的末端;A bending and pulling plate (65), the upper end of which is coupled to the end of the movable shear piece (62);
    大角拉板(69),大角拉板(69)的上端结合到所述弯拉板(65)的下端;A large-angle pull plate (69), the upper end of which is coupled to the lower end of the bent pull plate (65);
    当推拉所述大角拉板(69)的下端时,使得所述动剪片(62)相对于所述定剪片(61)开合。When the lower end of the large-angle pulling plate (69) is pushed or pulled, the movable shearing piece (62) is opened or closed relative to the fixed shearing piece (61).
  2. 根据权利要求1所述的剪线装置,其特征在于,还包括:The thread trimming device according to claim 1, further comprising:
    弯钩片(63),其与所述动剪片(62)贴合安装在一起,且一起运动;A hook piece (63) is installed together with the movable shear piece (62) and moves together with the movable shear piece (62);
    弯推片(64),其由插销(74)固定在固定座(73)上;A bending push piece (64) fixed on a fixing seat (73) by a latch (74);
    拨片(67),拨片(67)的第一端与弯推片(64)的末端相结合以推拉弯推片(64),拨片(67)的第二端能够在弯拉板(65)上的偏心紧圈(66)和大角拉板(69)的上端之间运动。A paddle (67), the first end of which is combined with the end of the bending push plate (64) to push and pull the bending push plate (64), and the second end of which is capable of moving between the eccentric tightening ring (66) on the bending and pulling plate (65) and the upper end of the large-angle pulling plate (69).
  3. 根据权利要求2所述的剪线装置,其特征在于,The thread trimming device according to claim 2, characterized in that:
    所述弯钩片(63)和所述弯推片(64)的头部为弯钩状,且弯钩相对。The heads of the curved hook piece (63) and the curved push piece (64) are in the shape of curved hooks, and the curved hooks are opposite to each other.
  4. 根据权利要求3所述的剪线装置,其特征在于,The thread trimming device according to claim 3 is characterized in that:
    推动所述大角拉板(69)的下端时,动剪片(62)靠近定剪片(61),拨片(67)推动弯推片(64)向中间靠拢,在剪线之前,所述弯推片(64)先接触并推出待剪线一定长度,然后弯钩片(63)接触和拉紧待剪线,动剪片(62)和定剪片(61)剪线;When the lower end of the large-angle pull plate (69) is pushed, the movable shearing piece (62) approaches the fixed shearing piece (61), and the paddle (67) pushes the bent push piece (64) to move toward the middle. Before cutting the wire, the bent push piece (64) first contacts and pushes out a certain length of the wire to be cut, and then the bent hook piece (63) contacts and tightens the wire to be cut, and the movable shearing piece (62) and the fixed shearing piece (61) cut the wire;
    拉动所述大角拉板(69)的下端时,弯钩片(63)和动剪片(62)远离定剪片(61),弯推片(64)与弯钩片(63)相对方向运动。When the lower end of the large-angle pull plate (69) is pulled, the bent hook piece (63) and the movable shear piece (62) move away from the fixed shear piece (61), and the bent push piece (64) moves in relative directions to the bent hook piece (63).
  5. 根据权利要求4所述的剪线装置,其特征在于,还包括: The thread trimming device according to claim 4, further comprising:
    气缸(71),其连接到所述大角拉板(69)的下端;A cylinder (71) connected to the lower end of the large-angle pulling plate (69);
    拉簧(70),其连接所述气缸(71)和所述大角拉板(69)。A tension spring (70) connects the cylinder (71) and the large-angle tension plate (69).
  6. 一种自动缝合装置,其特征在于,包括:An automatic suturing device, characterized in that it comprises:
    如权利要求1-4中任一项所述的剪线装置(6);The thread cutting device (6) as claimed in any one of claims 1 to 4;
    缝织装置(1),其具有相互配合进行打结的第一缝织针(3)、第二缝织针(4)和钢皮针(2);A sewing device (1) comprising a first sewing needle (3), a second sewing needle (4) and a steel needle (2) which cooperate with each other to tie a knot;
    所述剪线装置(6)的位置靠近缝织装置(1)的缝织点,在缝织装置(1)的缝织完毕后对缝织线圈(8)进行剪线。The thread cutting device (6) is located close to the sewing point of the sewing device (1) and cuts the thread of the sewing coil (8) after the sewing of the sewing device (1) is completed.
  7. 根据权利要求6所述的自动缝合装置,其特征在于,所述缝织装置(1)还包括:The automatic sewing device according to claim 6, characterized in that the sewing device (1) further comprises:
    第一连杆(52),其第一端连接到长曲柄(53)第二端,长曲柄(53)的第一端安装有第一针架(9),第一针架(9)上安装有所述第一缝织针(3);A first connecting rod (52), a first end of which is connected to the second end of a long crank (53), a first needle holder (9) being mounted on the first end of the long crank (53), and the first stitching needle (3) being mounted on the first needle holder (9);
    第二连杆(56),其第一端连接到短曲柄(57)第二端,短曲柄(57)的第一端安装有第二针架(10),第二针架(10)上安装有所述第二缝织针(4)。The first end of the second connecting rod (56) is connected to the second end of the short crank (57), the first end of the short crank (57) is mounted with a second needle holder (10), and the second stitching needle (4) is mounted on the second needle holder (10).
  8. 根据权利要求7所述的自动缝合装置,其特征在于,还包括电机装置(5),所述电机装置(5)包括:The automatic suturing device according to claim 7 is characterized in that it also includes a motor device (5), and the motor device (5) includes:
    电机轴;Motor shaft;
    大齿轮(51),其连接在电机轴的一端,大齿轮(51)具有偏心安装孔(511),偏心安装孔(511)用于容纳所述第一连杆(52)的第二端;A large gear (51) connected to one end of the motor shaft, the large gear (51) having an eccentric mounting hole (511), the eccentric mounting hole (511) being used to accommodate the second end of the first connecting rod (52);
    小针偏心轮(55),其连接在电机轴的另一端,小针偏心轮(55)具有偏心轴端(551),偏心轴端(551)与第二连杆(56)的第二端结合在一起。The small needle eccentric wheel (55) is connected to the other end of the motor shaft. The small needle eccentric wheel (55) has an eccentric shaft end (551), and the eccentric shaft end (551) is combined with the second end of the second connecting rod (56).
  9. 根据权利要求8所述的自动缝合装置,其特征在于,还包括:The automatic suturing device according to claim 8, characterized in that it also includes:
    小齿轮手轮(54),其与所述大齿轮(51)相啮合。A small gear hand wheel (54) meshes with the large gear (51).
  10. 根据权利要求6所述的自动缝合装置,其特征在于,The automatic suturing device according to claim 6 is characterized in that:
    剪线装置(6)的剪线平面或者剪线的点位置到钢皮针(2)的钢皮针针尖部头部(211)的距离在10.1-20mm之间,剪线平面或者剪线的点位置到第一缝织针(3)与第二缝织针(4)运动相交的点的距离在15.1-25mm之间。 The distance from the cutting plane or cutting point of the cutting device (6) to the tip of the steel needle (211) is between 10.1 and 20 mm, and the distance from the cutting plane or cutting point to the point where the first knitting needle (3) and the second knitting needle (4) intersect during movement is between 15.1 and 25 mm.
PCT/CN2023/094740 2022-10-24 2023-05-17 Thread trimming device and automatic stitching device WO2024087592A1 (en)

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