Sewing device and cloth sewing method

Abstract

The present application provides a sewing device and a method for sewing fabric. The sewing device includes a sewing machine, a clamping member, a first drive assembly, and a second drive assembly. The sewing machine includes a needle and a hook arranged vertically relative to each other. The clamping member forms a lateral avoidance groove extending in the vertical direction. The two clamping members are arranged vertically with a spacing therebetween. The first drive assembly is used to drive the sewing machine to move in the lateral direction. The second drive assembly is used to drive the clamping member to clamp or release the fabric between the two clamping members. When the two clamping members are combined to clamp the fabric, the sewing machine can move laterally within the lateral avoidance groove to sew the fabric. When the sewing machine exits the lateral avoidance groove, the two clamping members open and release the fabric. On the one hand, the clamping member reduces the distance between the two layers of fabric, thereby reducing the risk of sewing failure. On the other hand, the clamping member can improve the consistency of the sewing effect of the sewing machine. Therefore, the sewing device can improve the sewing quality of the suture pocket spring.

Description

Technical Field

[0001] The present application relates to the field of pocket springs, and in particular to a sewing device and a cloth sewing method. Background Art

[0002] Pocket springs are widely used in products such as mattresses and sofas. A common method involves connecting multiple pocket springs into a spring string, which is then bonded side by side to form a cushion core. The mainstream method for manufacturing a spring string involves welding non-woven fabric longitudinally into a bag. The compressed springs are then placed into the bag, and the bag is then welded transversely to encapsulate the springs in individual pockets, creating a single pocket spring string.

[0003] The covering material of this type of pocket spring is limited by the welding process and generally uses non-woven fabrics made of polypropylene fibers. It is not possible to use fabrics made of natural fibers such as cotton, linen, wool, and silk. To overcome the above-mentioned shortcomings, related technologies have also proposed solutions for manufacturing sutured pocket springs.

[0004] Stitched pocket springs are made by sewing with a sewing device. Since the spring is supported between two layers of fabric during horizontal sewing, there is a certain distance between the two layers of fabric during sewing. In addition, the distance between the two layers of fabric may fluctuate in different sewing areas. The above factors make stitched pocket springs prone to sewing failure, poor sewing consistency and other problems, resulting in low sewing quality. Summary of the Invention

[0005] The present application aims to solve at least one of the technical problems existing in the prior art. To this end, the present application proposes a sewing device and a cloth sewing method, wherein the sewing device can improve the sewing quality of sutured pocket springs.

[0006] According to the sewing device provided in the present application, it includes a sewing machine, a clamping member, a first drive assembly and a second drive assembly. The sewing machine includes a needle and a hook arranged opposite to each other in the vertical direction. The clamping member forms an avoidance groove extending in the horizontal direction. The two clamping members in pairs are arranged at intervals in the vertical direction. The first drive assembly is used to drive the sewing machine to move in the horizontal direction. The second drive assembly is used to drive the clamping member to clamp or release the cloth located between the two clamping members. When the two clamping members are combined to clamp the cloth, the sewing machine can sew the cloth along the horizontal movement in the avoidance groove. When the sewing machine exits the avoidance groove, the two clamping members open and release the cloth.

[0007] The sewing device provided by the present application has at least the following technical effects: the clamping member can clamp the fabric. On the one hand, the clamping member reduces the distance between the two layers of fabric, so that the sewing machine can sew the fabric smoothly and reduce the risk of sewing failure. On the other hand, the clamping member can control the distance between the two layers of fabric, thereby reducing the difference in fabric distance at different sewing positions and improving the consistency of the sewing effect of the sewing machine. Therefore, the sewing device can improve the sewing quality of the suture pocket spring.

[0008] According to some embodiments of the present application, the clamping member includes a rib, which extends in the transverse direction, and two of the ribs are arranged at intervals, and the avoidance groove is formed between the two ribs; the distance between the outer surfaces of the two ribs is set from wide to narrow along the direction toward the cloth; the cross-section of the avoidance groove is set from wide to narrow along the direction toward the cloth.

[0009] According to some embodiments of the present application, the two clamping members in a pair can move closer to or farther away from each other in the vertical direction to clamp or release the fabric.

[0010] According to some embodiments of the present application, the second drive assembly includes a second driver connected to one of the clamping members to drive the clamping member along with the slider to move closer to or away from the other clamping member along the guide rail.

[0011] According to some embodiments of the present application, the second drive assembly includes a second driver, which is respectively connected to the two clamping members in a pair to simultaneously drive the two clamping members to move relative to each other in the vertical direction.

[0012] According to some embodiments of the present application, the second drive assembly is driven by one of the following methods: the second drive assembly includes a first turntable, the first turntable is installed at the output end of the second drive, and the hinge points on both sides of the rotation center of the first turntable are rotatably connected to the two clamping members through two first connecting rods, so that the two clamping members can move relative to each other along the guide rail together with the slider; the second drive assembly includes a second pulley and a second transmission belt, the two second pulleys are arranged at intervals in the vertical direction, one of the second pulleys is installed at the output end of the second drive, the second transmission belt is wound between the two second pulleys, and the second transmission belt forms a first side and a second side extending between the two second pulleys and moving synchronously in opposite directions, and the two clamping members are respectively connected to the first side and the second side, so that the two clamping members can move relative to each other along the guide rail together with the slider.

[0013] According to some embodiments of the present application, the sewing machine includes a fourth drive, a first cam and a second cam, the first cam and the second cam are installed on the output shaft of the fourth drive, the first cam and the second cam are respectively connected to the crochet hook, the first cam is used to drive the crochet hook to swing with the vertical direction as the rotating axis, and the second cam is used to drive the crochet hook to swing with the longitudinal direction as the rotating axis.

[0014] According to some embodiments of the present application, the sewing machine includes a fourth connecting rod and a fifth connecting rod, the fourth connecting rod is hingedly mounted on the casing in the middle, one end of the fourth connecting rod is connected to the first cam through a first rolling body, the other end of the fourth connecting rod is hingedly mounted on one end of the crochet hook, one end of the fifth connecting rod is connected to the second cam through a second rolling body, and the other end of the fifth connecting rod is connected to the hinge point of the other end of the crochet hook.

[0015] According to some embodiments of the present application, the sewing machine includes a movable cutter and a fifth driver, which are installed on the fourth connecting rod. The fifth driver can drive the movable cutter to move in the transverse direction to cut the suture after suturing is completed.

[0016] According to some embodiments of the present application, the sewing machine includes a second turntable, which is mounted on the output shaft of the fourth driver. The sewing machine also includes a second connecting rod, which is hingedly mounted on the casing. The eccentric hinge of the second turntable is connected to one end of the second connecting rod through a third connecting rod. The other end of the second connecting rod is provided with a sliding rod, which is slidably connected to the second connecting rod. The other end of the sliding rod is connected to the hinge of the fourth guide rail. The needle is mounted on the fourth guide rail, and the second turntable is used to drive the needle to move in the vertical direction.

[0017] According to the cloth sewing method provided by the present application, using the sewing device provided by the present application, the cloth sewing method includes the following steps: the clamping members are combined to clamp the cloth; the sewing machine moves along the horizontal direction in the avoidance groove to sew the cloth; the sewing thread of the sewing machine is cut off; the sewing machine exits the avoidance groove; and the clamping members are opened to release the cloth.

[0018] The cloth sewing method uses a sewing device, and thus has the corresponding beneficial effects provided by the aforementioned sewing device, which will not be described in detail here. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The above and / or additional aspects and advantages of the present application will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0020] Figure 1is a structural diagram of a sewing machine according to an embodiment of the present application;

[0021] Figure 2 is a structural diagram of a sewing machine according to an embodiment of the present application;

[0022] Figure 3 is a structural schematic diagram of a sewing device according to an embodiment of the present application;

[0023] Figure 4 This is a schematic diagram of the principle of the sewing device of an embodiment of the present application when clamping and sewing fabric;

[0024] Figure 5 is a structural schematic diagram of a sewing device according to an embodiment of the present application;

[0025] Figure 6 is a structural schematic diagram of a sewing device according to an embodiment of the present application;

[0026] Figure 7 It is a structural schematic diagram of a sewing device according to an embodiment of the present application.

[0027] Reference numerals:

[0028] Sewing machine 100, needle 110, hook 120, fourth driver 130, second turntable 141, second connecting rod 142, third connecting rod 143, slide bar 144, fourth guide rail 151, fourth slider 152, first cam 171, fourth connecting rod 172, first rolling element 173, second cam 181, fifth connecting rod 182, second rolling element 183, movable cutter 191, fifth driver 192,

[0029] Clamping piece 200, rib 210,

[0030] Avoidance groove 300,

[0031] The first pulley 410, the first transmission belt 420,

[0032] The first mounting seat 510, the first guide rail 520,

[0033] The second driver 610, the first rotating disk 620, the first connecting rod 630, the second pulley 640, the second transmission belt 650,

[0034] The second mounting seat 710, the second guide rail 720, the second slider 730, the adapter block 740, the adapter rod 750,

[0035] Fabric 910 and spring 920 . DETAILED DESCRIPTION

[0036] The following describes in detail embodiments of the present application. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application and are not to be construed as limiting the present application.

[0037] In the description of the present application, it should be understood that descriptions involving orientation, such as "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential", etc., indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and 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 therefore cannot be understood as a limitation on the present application.

[0038] In the description of this application, "several" means one or more, "many" means more than two, "greater than," "less than," and "exceed" are understood to exclude the number itself, while "above," "below," and "within" are understood to include the number itself. The terms "first" and "second" are used solely to distinguish technical features and are not to be construed as indicating or implying relative importance, or as implicitly specifying the number or order of the technical features indicated.

[0039] In the description of this application, unless otherwise clearly defined, terms such as setting, installing, and connecting should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in this application based on the specific content of the technical solution.

[0040] The pocket spring bagging equipment is used to produce spring strings encapsulated with springs in the spring string production line. In some related technologies, the pocket spring bagging equipment uses a sewing device to sew the fabric to form a sutured pocket spring. In the previous sutured pocket spring manufacturing process, the spring is generally first flattened vertically, and then the flattened spring is sent between two layers of fabric and kept in a flattened state. The fabric is sewn horizontally and vertically by a sewing machine to encapsulate the spring into the bag chamber. After the encapsulation is completed, the spring is turned horizontally and rebounded by the material shifting structure. Since the spring separates the two layers of fabric, even the flattened spring has a certain height. Therefore, the sewing in the related technology is prone to poor sewing and poor consistency, and the sewing quality needs to be improved.

[0041] In order to improve the sewing quality, the present application provides a pocket spring pocketing device and a sewing device that can be used for the pocket spring pocketing device.

[0042] Reference Figure 1、 Figure 2 and Figure 3 The sewing device provided in the present application includes a sewing machine 100, a clamping member 200, a first drive assembly and a second drive assembly. The sewing machine 100 includes a needle 110 and a hook 120 arranged vertically opposite to each other. The clamping member 200 forms an avoidance groove 300 extending in the transverse direction. The two pairs of clamping members 200 are arranged at intervals in the vertical direction. The first drive assembly is used to drive the sewing machine 100 to move in the transverse direction, and the second drive assembly is used to drive the clamping member 200 to clamp or release the fabric 910 located between the two clamping members 200.

[0043] When the two clamping members 200 are combined to clamp the cloth 910 , the sewing machine 100 can move laterally in the avoidance groove 300 to sew the cloth 910 . After the sewing machine 100 exits the avoidance groove 300 , the two clamping members 200 open to release the cloth 910 .

[0044] During the lateral movement, the needle 110 of the sewing machine 100 moves lateral in one of the avoidance grooves 300, and the hook 120 of the sewing machine 100 moves lateral in the other avoidance groove 300. At the same time, the needle 110 carries the suture thread back and forth towards and away from the hook 120. The hook 120 is used to hook the suture thread to form a coil, thereby performing shuttle stitching on the fabric 910 located between the two clamping parts 200.

[0045] The present application also provides a cloth sewing method using the sewing device of the present application, the cloth sewing method comprising the following steps:

[0046] The clamping member 200 is combined to clamp the fabric 910;

[0047] The sewing machine 100 moves in the lateral direction in the avoidance groove 300 to sew the fabric 910;

[0048] Cutting the thread of the sewing machine 100;

[0049] The sewing machine 100 exits the avoidance groove 300;

[0050] The clamping member 200 opens to release the fabric 910 .

[0051] In this application, the longitudinal direction refers to the conveying direction of the fabric 910, that is, the length direction of the fabric 910 and the spring string. The transverse direction is perpendicular to the longitudinal direction. The transverse direction refers to the width direction of the fabric 910, and is also the direction in which the pressure surface of the spring 920 in the spring string is facing. The vertical direction refers to the direction perpendicular to the transverse and longitudinal directions.

[0052] In the conventional layout of pocket spring pocketing equipment and spring string production lines, the vertical direction corresponds to the vertical direction of the absolute coordinate system, that is, the Z direction. However, it is not excluded that in other possible layouts, the longitudinal, transverse and vertical directions correspond to the absolute coordinate system in other ways.

[0053] According to the sewing device provided in the present application, it can be used for sewing fabrics 910 made of natural fiber materials such as cotton, linen, wool, and silk. The clamping member 200 can clamp the fabric 910. On the one hand, the clamping member 200 reduces the distance between the two layers of fabric 910, so that the sewing machine 100 can smoothly sew the fabric 910 and reduce the risk of sewing failure. On the other hand, the clamping member 200 can control the distance between the two layers of fabric 910, thereby reducing the difference in the distance of the fabric 910 at different sewing positions and improving the consistency of the sewing effect of the sewing machine 100. Therefore, the sewing device can improve the sewing quality of the suture pocket spring.

[0054] The pocket spring pocketing device and cloth sewing method provided in this application also have the beneficial effects provided by the sewing device, which will not be described in detail here.

[0055] Here, "clamping" does not necessarily require that the clamping member 200 completely clamp the fabric 910 so that the two vertical layers of fabric 910 are in contact. It is sufficient that the clamping member 200 reduces the distance between the two layers of fabric 910 to a distance within which the sewing machine 100 can sew. The advantage of completely clamping the fabric 910 is that it ensures that the fabric 910 and the clamping member 200 remain relatively stationary during the sewing process, further improving sewing quality.

[0056] It can be understood that the sewing device provided in the present application can be used in the suture pocket spring manufacturing process of the vertical compression spring 920 in the related technology. At this time, by introducing the clamping member 200, the distance between the two layers of fabric 910 can be further reduced, thereby improving the sewing quality of the suture pocket spring.

[0057] In addition, due to the introduction of the clamping member 200, the spring 920 does not need to be flattened in the manufacturing process of the suture pocket spring. Instead, the spring 920 placed horizontally can be directly fed between the fabrics 910 (for example, referring to Figure 3 ), when sewing is required, the distance between the two layers of fabric 910 is reduced by the clamping piece 200, which makes the manufacturing process of the suture pocket spring omit the steps of flattening the spring 920 and pushing the spring 920 to rebound after packaging. Therefore, the use of the sewing device provided by the present application helps to improve the process and increase the yield and production efficiency of the suture pocket spring.

[0058] In some embodiments, the sewing machine 100 may include a fourth driver 130 and a second turntable 141, the second turntable 141 being mounted on the output shaft of the fourth driver 130, and the second turntable 141 being used to drive the needle 110 to move in the vertical direction. Figure 1 and 2 The sewing machine 100 further includes a second connecting rod 142, which is hingedly mounted on the housing (i.e. Figure 1The part indicated by the dotted line in the figure), the eccentric hinge point of the second turntable 141 is connected to one end of the second link 142 through the third link 143, and the other end of the second link 142 is movably provided with a slide bar 144, and the slide bar 144 is slidingly connected to the second link 142, and the other end of the slide bar 144 is connected to the hinge point of the fourth guide rail 151, and the machine needle 110 is installed on the fourth guide rail 151.

[0059] In addition, the second turntable 141 and the second connecting rod 142 can be connected by a sliding rod 144, and the second connecting rod 142 and the fourth guide rail 151 can be connected by a third connecting rod. As long as sufficient freedom of movement can be provided to avoid over-positioning, no limitation is made here.

[0060] The second connecting rod 142 acts as a lever. The rotation of the second turntable 141 causes the second connecting rod 142 to swing longitudinally, thereby achieving reciprocating motion of the needle 110. The fourth slider 152 of the sewing machine 100 is mounted on the housing. The fourth guide rail 151 is mounted on the fourth slider 152. The fourth guide rail 151 extends vertically to guide and limit the movement of the needle 110.

[0061] In some embodiments, the sewing machine 100 can achieve the movement of the crochet needle 120 through a first cam 171 and a second cam 181. The first cam 171 and the second cam 181 are mounted on the output shaft of the fourth driver 130. The first cam 171 and the second cam 181 are respectively connected to the crochet needle 120. The first cam 171 is used to drive the crochet needle 120 to swing with the vertical axis as the rotation axis, and the second cam 181 is used to drive the crochet needle 120 to swing with the longitudinal axis as the rotation axis. The fourth driver 130 drives the needle 110 and the crochet needle 120 to move simultaneously, thereby ensuring that the needle 110 and the crochet needle 120 are stably linked.

[0062] When sewing, first the needle 110 carries the suture down and passes the suture through the fabric 910. The hook 120 swings with the longitudinal direction as the axis and hooks the suture. At the same time, the hook 120 swings with the vertical direction as the axis to pull the suture apart to form a circular coil. Next, the needle 110 rises and the sewing machine moves horizontally to the next sewing point. Then the needle 110 descends and the hook 120 swings in the opposite direction. During the process, the needle 110 inserts into the coil and then the coil detaches from the hook 120, and the current sewing point is sewn. Then the needle 110 continues to descend and the hook 120 swings again to hook the thread and perform the next action cycle.

[0063] The first cam 171, the second cam 181 and the hook 120 can be connected in different ways, for example, Figure 1 and 2The sewing machine 100 includes a fourth connecting rod 172 and a fifth connecting rod 182. The middle portion of the fourth connecting rod 172 is hingedly mounted on the housing. One end of the fourth connecting rod 172 is connected to the first cam 171 via a first rolling element 173. The other end of the fourth connecting rod 172 is hingedly mounted to one end of the hook needle 120. One end of the fifth connecting rod 182 is connected to the second cam 181 via a second rolling element 183. The other end of the fifth connecting rod 182 is connected to a hinge point at the other end of the hook needle 120. Alternatively, one end of the fourth connecting rod 172 may serve as a fulcrum, which will not be described in detail here.

[0064] It is understandable that, referring to Figure 1 The first rolling element 173 and the second rolling element 183 may be rollers. The first rolling element 173 contacts the outer contour of the first cam 171 to respond to radial dimensional changes of the first cam 171. The second cam 181 forms a cam groove. The second rolling element 183 is embedded in the cam groove and contacts the sidewall of the cam groove to respond to axial position changes of the cam groove. Of course, the first cam 171 and the second cam 181 can also be connected to the first rolling element 173 and the second rolling element 183 through other methods commonly used in the relevant art.

[0065] The sewing machine 100 also includes a movable cutter 191 and a fifth driver 192. The movable cutter 191 and the fifth driver 192 are mounted on the fourth connecting rod 172 (that is, they can swing along with the fourth connecting rod 172). The fifth driver 192 can drive the movable cutter 191 to move laterally to cut the suture after the suturing is completed.

[0066] Reference Figure 4 The clamping member 200 includes a rib 210 , which extends in the transverse direction. The two ribs 210 are arranged at intervals, and an avoidance groove 300 is formed between the two ribs 210 .

[0067] exist Figure 4 In the embodiment, the distance between the outer surfaces of the two retaining edges 210 is set from wide to narrow along the direction toward the cloth 910. Correspondingly, the cross section of the avoidance groove 300 is also set from wide to narrow along the direction toward the cloth 910 (for example, Figure 4 This design reduces the size of the cloth 910 pressed by the clamping member 200, preventing the clamping member 200 from pushing the spring 920 in the cloth bag out of position during horizontal sewing. At the same time, the design from wide to narrow expands the accommodating space of the avoidance groove 300, avoiding interference between the sewing machine 100 and the clamping member 200.

[0068] The second drive assembly includes a second driver 610, which is connected to the clamping member 200 to drive the clamping member 200 to move. The second driver 610 can use various methods to drive the clamping member 200 to clamp or release the fabric 910. For example, the clamping member 200 can clamp or release the fabric 910 by rotating about its axis, or the clamping members 200 can clamp or release the fabric 910 by moving linearly in the vertical direction, that is, moving closer to or farther from each other in the vertical direction. One of the clamping members 200 can remain stationary while the other clamping member 200 moves to clamp the fabric 910, or both clamping members 200 can move together to clamp the fabric 910.

[0069] In some embodiments, the second driver 610 is connected to one of the clamping members 200 to drive the clamping member 200 along with the second slider 730 along the second guide rail 720 to approach or move away from the other clamping member 200. Figure 5 The clamping member 200 located near the hook 120 is fixedly installed, and the sewing device further includes a second mounting seat 710. The second guide rail 720 is mounted on the second mounting seat 710. The second guide rail 720 extends vertically. The clamping member 200 located near the needle 110 is mounted on the second guide rail 720 through the second slider 730. The second driver 610 (not shown in the figure) drives the clamping member 200 near the needle 110 to move along the second guide rail 720. Or refer to Figure 6 The second driver 610 is a cylinder, and the clamping member 200 located on the side close to the needle 110 is directly installed on the output end of the second driver 610, so that motion drive can also be achieved.

[0070] Of course, in addition to guide rails and sliders, other commonly used methods in related technologies such as guide sleeves and guide pillars can also be used to guide the movement of the clamping member 200, which will not be described in detail here.

[0071] In some other embodiments, the second driver 610 is connected to the two clamping members 200 in a pair, so as to simultaneously drive the two clamping members 200 to move relative to each other in the vertical direction. Figure 3 The second drive assembly can include a first rotary disk 620 mounted at the output end of the second driver 610. The hinges on either side of the rotation center of the first rotary disk 620 are rotatably connected to the two clamping members 200 via two first connecting rods 630. In other words, a slider-crank mechanism is formed between the first rotary disk 620, the first connecting rod 630, and the clamping members 200, thereby converting the rotation of the first rotary disk 620 into vertical movement of the clamping members 200. The two hinges can be symmetrically arranged so that when the first rotary disk 620 rotates, the speeds of the two connection points are equal in magnitude and opposite in direction, thereby achieving uniform and synchronous movement of the clamping members 200 in opposite directions.

[0072] exist Figure 3 In the embodiment, the two clamping members 200 are respectively mounted on the same second guide rail 720 via two second sliders 730, and the two first connecting rods 630 are respectively connected to the two second sliders 730. The two clamping members 200 may also use different second guide rails 720. To stagger the motion trajectories of the two first connecting rods 630, the sewing device further includes a transfer block 740 and a transfer rod 750. The transfer block 740 is also mounted on the second guide rail 720, and the transfer rod 750 is connected between the transfer block 740 and the corresponding second slider 730. The first connecting rod 630 is indirectly connected to the second slider 730 via the transfer block 740, thereby changing the layout position of the first connecting rod 630 and avoiding interference.

[0073] For example, refer to Figure 7 The second drive assembly includes a second pulley 640 and a second transmission belt 650. The two second pulleys 640 are arranged at intervals in the vertical direction. One of the second pulleys 640 is installed at the output end of the second driver 610. The second transmission belt 650 is wound between the two second pulleys 640. The second transmission belt 650 forms a first side and a second side extending between the two second pulleys 640 and moving synchronously in opposite directions. The two clamping members 200 are respectively connected to the first side and the second side.

[0074] Specifically, the first side is connected to one of the second sliders 730 , and the second side is connected to the adapter block 740 , which is further connected to the other second slider 730 .

[0075] The first drive assembly includes a first driver, which is used to drive the sewing machine 100 to reciprocate in the transverse direction, thereby achieving transverse stitching. The first driver can be driven in different ways, such as referring to Figure 3 The first driving assembly may include a first pulley 410 and a first transmission belt 420. The two first pulleys 410 are arranged in the transverse direction. The first transmission belt 420 is wound around the first pulley 410. The sewing machine 100 is connected to the first transmission belt 420. The first driver (not shown in the figure) is connected to the first pulley 410 and drives the sewing machine 100 to move.

[0076] Reference Figure 3 The sewing device further includes a first mounting seat 510 and a first guide rail 520. The first guide rail 520 extends transversely. The first mounting seat 510 is mounted on the second mounting seat 710. The first guide rail 520 is mounted on the first mounting seat 510. The sewing machine 100 is mounted on the first guide rail 520 via a first slider. The first pulley 410 is also mounted on the first mounting seat 510.

[0077] Throughout this specification, reference to terms such as "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0078] In some optional embodiments, the functions / operations mentioned in the block diagram may not occur in the order mentioned in the operation diagram. For example, depending on the functions / operations involved, the two boxes shown in succession may actually be executed substantially simultaneously or the boxes can sometimes be executed in reverse order. In addition, the embodiments presented and described in the flow chart of the present application are provided in an exemplary manner for the purpose of providing a more comprehensive understanding of the technology. The disclosed method is not limited to the operations and logic flows presented herein. Optional embodiments are contemplated in which the order of the various operations is changed and the sub-operations described as a part of a larger operation are performed independently.

[0079] Although the embodiments of the present application have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions, and variations may be made to the embodiments without departing from the principles and intent of the present application, and that the scope of the present application is defined by the claims and their equivalents.

Claims

1. A sewing device, characterized in that: include: A sewing machine comprising a needle and a hook arranged vertically opposite to each other; A clamping member, wherein the clamping member forms an avoidance groove extending in the transverse direction, and the two clamping members in a pair are spaced apart in the vertical direction; a first driving assembly, the first driving assembly being used to drive the sewing machine to move in the transverse direction; a second driving assembly, the second driving assembly being used to drive the clamping member to clamp or release the fabric between the two clamping members, wherein when the two clamping members are combined to clamp the fabric, the sewing machine can move along the transverse direction in the avoidance groove to sew the fabric, and when the sewing machine exits the avoidance groove, the two clamping members open to release the fabric; The clamping member includes two ribs, the ribs extending in the transverse direction, the two ribs being arranged at intervals, and the avoidance groove being formed between the two ribs; The transverse direction refers to the width direction of the fabric, and is also the direction in which the compression surfaces of the springs in the spring string face.

2. The sewing device according to claim 1, characterized in that The distance between the outer surfaces of the two retaining edges is set from wide to narrow along the direction toward the cloth; and the cross section of the avoidance groove is set from wide to narrow along the direction toward the cloth.

3. The sewing device according to claim 1, characterized in that The second driving assembly includes a second driver connected to one of the clamping members to drive the clamping member along with the second slider to approach or move away from the other clamping member along the second guide rail.

4. The sewing device according to claim 1, characterized in that The second driving assembly includes a second driver, and the second driver is respectively connected to the two clamping members in a pair to simultaneously drive the two clamping members to move relative to each other in the vertical direction.

5. The sewing device according to claim 4, characterized in that The second driving component is driven by one of the following methods: The second drive assembly includes a first turntable, which is mounted on the output end of the second driver. Hinge points on both sides of the rotation center of the first turntable are rotatably connected to the two clamping members via two first connecting rods, so that the two clamping members move relative to each other along the second guide rail along with the second slider. The second drive assembly includes a second pulley and a second transmission belt, the two second pulleys are arranged at intervals in the vertical direction, one of the second pulleys is installed at the output end of the second drive, the second transmission belt is wound between the two second pulleys, and the second transmission belt forms a first side and a second side extending between the two second pulleys and moving synchronously in opposite directions, and the two clamping members are respectively connected to the first side and the second side, so that the two clamping members move relative to each other along the second guide rail together with the second slider.

6. The sewing device according to claim 1, characterized in that The sewing machine includes a fourth driver, a first cam and a second cam, the first cam and the second cam are installed on the output shaft of the fourth driver, the first cam and the second cam are respectively connected to the crochet needle, the first cam is used to drive the crochet needle to swing with the vertical direction as the rotating axis, and the second cam is used to drive the crochet needle to swing with the longitudinal direction as the rotating axis, and the longitudinal direction refers to the conveying direction of the cloth.

7. The sewing device according to claim 6, characterized in that The sewing machine includes a fourth connecting rod and a fifth connecting rod. The fourth connecting rod is hingedly mounted on the casing in the middle. One end of the fourth connecting rod is connected to the first cam through a first rolling body. The other end of the fourth connecting rod is hingedly mounted on one end of the crochet needle. One end of the fifth connecting rod is connected to the second cam through a second rolling body. The other end of the fifth connecting rod is connected to the hinge point of the other end of the crochet needle.

8. The sewing device according to claim 7, characterized in that The sewing machine includes a movable cutter and a fifth driver, which are mounted on the fourth connecting rod. The fifth driver can drive the movable cutter to move in the transverse direction to cut the suture after the suturing is completed.

9. The sewing device according to claim 6, characterized in that The sewing machine includes a second turntable, which is mounted on the output shaft of the fourth driver. The sewing machine also includes a second connecting rod, which is hingedly mounted on the casing. The eccentric hinge point of the second turntable is connected to one end of the second connecting rod through a third connecting rod. The other end of the second connecting rod is provided with a sliding rod, which is slidably connected to the second connecting rod. The other end of the sliding rod is connected to the hinge point of the fourth guide rail. The needle is mounted on the fourth guide rail. The second turntable is used to drive the needle to move in the vertical direction.

10. A method for sewing cloth, characterized in that: The cloth sewing method uses the sewing device according to any one of claims 1 to 9, and the cloth sewing method comprises the following steps: The clamping member is combined to clamp the fabric; The sewing machine moves in the lateral direction in the avoidance groove to sew the fabric; cutting the thread of the sewing machine; The sewing machine exits the avoidance groove; The clamping members open to release the fabric.

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