Spring bed net sewing apparatus and spring bed net sewing method

Abstract

The application provides a spring bed net sewing device and a spring bed net sewing method. The spring bed net sewing device comprises a feeding assembly, a sewing assembly and a pressing assembly. The feeding assembly can lay spring strings in the transverse direction. The spring strings to be sewn are sewn on the odd-numbered spring strings through a first sewing position, and the spring strings to be sewn are sewn on the even-numbered spring strings through a second sewing position. The plurality of sewing assemblies are arranged at intervals in the transverse direction. The sewing assembly can move in the vertical direction to draw out and switch to the next row of spring strings. The sewing assembly comprises a sewing head and a machine base. The machine base is formed with a sewing channel extending in the vertical direction. The sewing head can sew the two adjacent rows of spring strings along the sewing channel. The plurality of pressing assemblies are arranged at intervals in the transverse direction. The pressing assemblies correspond to the sewing assemblies in the longitudinal direction. The pressing assemblies are used for pressing the sewing position to be sewn on the machine base. The spring bed net sewing device can improve the automation degree and product quality of the sewn spring bed net.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of spring bed net production, and particularly relates to a spring bed net sewing device and a spring bed net sewing method. BACKGROUND

[0002] The independent pocketed spring bed net is usually composed of multiple rows of spring strings arranged in parallel. The existing bed net combination device mainly adopts two combination modes, namely, glue bonding and ultrasonic welding. The glue bonding has the disadvantages of large amount of hot melt glue, high cost and environmental pollution. The ultrasonic welding can improve the environmental protection level of the spring bed net, but has the disadvantage of being only suitable for materials that can be melted, such as polyester fiber or dacron fiber non-woven fabric.

[0003] In the related art, there is an automatic device that can produce spring strings of natural fiber (cotton, wool, silk, hemp, etc.) cloth through sewing. However, the material of this type of cloth cannot be welded by ultrasonic, so it is still necessary to use glue to bond each spring string, which reduces the environmental protection level of the spring bed net. Although the bed net can be made by manual sewing, the production efficiency is low, the production cost is high, and the product quality is uneven. SUMMARY

[0004] The present application aims to at least solve one of the technical problems existing in the prior art. To this end, the present application provides a spring bed net sewing device and a spring bed net sewing method. The spring bed net sewing device can sew the spring strings into a spring bed net. The spring bed net sewing device does not need to use hot melt glue when combining the spring strings, which helps to manufacture a spring bed net made of natural fiber material without glue. The spring bed net sewing device also helps to improve the automation degree and product quality of the sewn spring bed net.

[0005] According to the spring bed net sewing device provided in the application, the feeding assembly can move in the transverse direction to lay the spring strings along the transverse direction, the connecting positions of two adjacent rows of the spring strings are defined as sewing positions, the sewing positions include a first sewing position and a second sewing position, the spring strings to be sewn are sewn on the odd-numbered rows of the spring strings through the first sewing position, the spring strings to be sewn are sewn on the even-numbered rows of the spring strings through the second sewing position, a plurality of the sewing assemblies are arranged at intervals in the transverse direction, the sewing assemblies correspond to the sewing positions, the sewing assemblies can move in the vertical direction to draw out the spring strings from the spring strings to switch to the next row of the spring strings, the sewing assembly includes a sewing head and a machine base, the machine base is formed with a sewing channel extending in the vertical direction, the sewing head is installed on the machine base, the sewing head includes a needle and a needle plate arranged opposite in the longitudinal direction, the sewing head can move along the sewing channel to sew two adjacent rows of the spring strings, a plurality of the pressing assemblies are arranged at intervals in the transverse direction, the pressing assemblies correspond to the sewing assemblies in the longitudinal direction, and the pressing assemblies are used to press the sewing positions to be sewn on the machine base to cooperate with the sewing head for sewing.

[0006] According to the spring bed net sewing device provided in the application, at least the following technical effects are achieved: the spring bed net sewing device adopts the sewing assembly, so that the spring strings can be sewn into the spring bed net; the feeding assembly lays each row of the spring strings in sequence, starting from the second row of the spring strings, after laying each row of the spring strings, the pressing assembly presses the sewing positions to be sewn on the machine base, and the sewing assembly alternately sews the first sewing position and the second sewing position. The spring bed net sewing device does not need to use hot melt adhesive when combining the spring strings, which helps to manufacture the spring bed net made of natural fiber material without glue, the feeding assembly can automatically feed, the sewing assembly sews after laying each row of the spring strings, which improves the production efficiency of the spring bed net, and improves the automation degree and product quality of the sewn spring bed net.

[0007] According to some embodiments of the application, the sewing assembly can move in the longitudinal direction to push the sewn spring strings to move downstream.

[0008] According to some embodiments of the application, the sewing assembly can move in the transverse direction to correspond to the first sewing position or the second sewing position, respectively.

[0009] According to some embodiments of the present application, the plurality of stitching assemblies are divided into two groups, the stitching assemblies in the same group are arranged at intervals in the transverse direction, the stitching assemblies in different groups are staggered with each other in the transverse direction, the two groups of stitching assemblies correspond to the first stitching position and the second stitching position respectively, and the stitching assemblies are movable in the longitudinal direction to alternately push the spring string and perform the stitching action.

[0010] According to some embodiments of the present application, the spring bed net stitching device comprises first mounting assemblies, and the two groups of stitching assemblies are respectively mounted on the two first mounting assemblies, and the two groups of stitching assemblies are respectively arranged on both sides of the spring string in the vertical direction.

[0011] According to some embodiments of the present application, the first mounting assembly comprises a first mounting seat, a second mounting seat, a first guide and a second guide, the first guide is mounted on the rack, the first guide extends in the vertical direction, the first mounting seat is mounted on the first guide, the second guide is mounted on the first mounting seat, the second guide extends in the longitudinal direction, and the second mounting seat is mounted on the second guide.

[0012] According to some embodiments of the present application, the spacing between adjacent stitching assemblies is adjustable to match different specifications of the spring string; the first mounting assembly comprises a third guide extending in the transverse direction, the third guide is mounted on the second mounting seat, and the stitching assembly is movably mounted on the third guide.

[0013] According to some embodiments of the present application, the pressing assembly comprises first pressing plates, the two first pressing plates are arranged at intervals in the transverse direction, and an avoidance channel for avoiding the stitching head is formed between the first pressing plates; the pressing assembly comprises a fourth driver, the first pressing plates are mounted on the fourth driver, and the fourth driver is used to drive the first pressing plates to move in the longitudinal direction.

[0014] According to some embodiments of the present application, the pressing assembly is movable in the vertical direction, or the pressing assembly can be flipped around an axis in the transverse direction to avoid the movement route of the feeding assembly; the spring bed net stitching device comprises a second mounting assembly, the second mounting assembly comprises a fourth mounting seat and a fifth driver, the fourth mounting seat is rotatably mounted on the rack, the pressing assembly is mounted on the fourth mounting seat, and the fifth driver is used to drive the fourth mounting seat and the pressing assembly to flip.

[0015] According to some embodiments of the present application, the spacing between the adjacent pressing assemblies is adjustable to match different specifications of the spring string; the second mounting assembly comprises a fourth guide extending in the transverse direction, and the pressing assemblies are movably mounted on the fourth guide.

[0016] According to some embodiments of the present application, the spring bed net sewing device comprises spacing assemblies, two groups of the spacing assemblies are arranged in the vertical direction to form a receiving channel for spacing the spring string, and the machine base extends in the vertical direction and across the receiving channel, and the feeding assembly lays the spring string on the machine base in the receiving channel.

[0017] According to some embodiments of the present application, the spacing assemblies comprise spacing bars, the spacing bars in the same group are arranged in the transverse direction, and the spacing bars are staggered with the sewing assembly in the transverse direction to allow the sewing assembly to pass between the spacing bars; the spacing bars are provided with magnets for adsorbing and positioning the spring string; the spacing assemblies comprise a fifth guide extending in the transverse direction, and the spacing bars are movably mounted on the fifth guide to adjust the spacing of the spacing bars in the transverse direction.

[0018] According to some embodiments of the present application, the spring bed net sewing device comprises a receiving assembly, the receiving assembly is located on the side of the spacing assembly away from the feeding assembly, and the receiving assembly comprises a receiving table for receiving the spring bed net.

[0019] According to some embodiments of the present application, the spring bed net sewing device comprises a cutting assembly, the cutting assembly is located on one side or both sides of the sewing assembly in the transverse direction, and the cutting assembly comprises a second pressing plate, a third pressing plate and a cutter, the second pressing plate and the third pressing plate are arranged opposite to each other in the longitudinal direction, the second pressing plate and the third pressing plate can be close to each other to press the spring string, and the cutter can move in the vertical direction to cut the spring string.

[0020] According to some embodiments of the present application, the feeding assembly comprises a conveying member, the conveying member comprises at least one of a ratchet wheel, a roller and a conveying belt, and the conveying member is used for conveying the spring string.

[0021] According to some embodiments of the present application, the feeding assembly forms a conveying channel, the conveying member is located at the outlet end of the conveying channel, the conveying member comprises a ratchet wheel, and two ratchet wheels are arranged opposite to each other in the transverse direction; the inner wall of the conveying channel is arranged with rolling bodies, and the rolling bodies are used for reducing the conveying resistance of the spring string.

[0022] According to the spring bed net sewing method provided in the application, the spring bed net sewing method comprises the following steps: step 100, the sewing assembly corresponds to the first sewing position; step 200, the feeding assembly moves along the transverse direction to lay the first row of spring strings; step 300, the feeding assembly moves along the transverse direction to lay the even row of spring strings on the odd row of spring strings; step 400, the pressing assembly presses the even row of spring strings and the first sewing position of the odd row of spring strings on the machine base, the sewing head moves along the vertical direction to sew the first sewing position; step 500, the sewing assembly is extracted from the spring string, and the pressing assembly is released; step 600, the sewing assembly corresponds to the second sewing position; step 700, the feeding assembly moves along the transverse direction to lay the odd row of spring strings on the even row of spring strings; step 800, the pressing assembly presses the even row of spring strings and the second sewing position of the odd row of spring strings on the machine base, and the sewing head moves along the vertical direction to sew the second sewing position; step 900, the sewing assembly is extracted from the spring string, and the pressing assembly is released; step 1000, the sewing assembly corresponds to the first sewing position; steps 300 to 1000 are repeated until the spring strings are sewn into a spring bed net with a predetermined size.

[0023] According to some embodiments of the application, in step 1000, the sewing assembly moves along the transverse direction to switch to correspond to the first sewing position; in step 600, the sewing assembly moves along the transverse direction to switch to correspond to the second sewing position.

[0024] According to the spring bed net sewing method provided in the application, the spring bed net sewing method comprises the following steps: step 100: a first group of the sewing assemblies is arranged at a sewing station; step 200: the feeding assembly moves along the transverse direction to lay a first row of the spring strings; step 300: a second group of the sewing assemblies moves to a side of the spring strings of odd rows close to the feeding assembly, and then moves along the longitudinal direction to push the spring strings of odd rows to the sewing station; step 400: the feeding assembly moves along the transverse direction to lay the spring strings of even rows on the spring strings of odd rows; step 500: the pressing assembly presses the spring strings of even rows and the first sewing position of the spring strings of odd rows on the machine base of the first group of the sewing assemblies, the sewing heads of the first group of the sewing assemblies move along the vertical direction to sew the first sewing position; step 600: the first group of the sewing assemblies is extracted from the spring strings, and the pressing assembly is released; step 700: the first group of the sewing assemblies moves to a side of the spring strings of even rows close to the feeding assembly, and then moves along the longitudinal direction to push the spring strings of even rows to the sewing station; step 800: the feeding assembly moves along the transverse direction to lay the spring strings of odd rows on the spring strings of even rows; step 900: the pressing assembly presses the spring strings of even rows and the second sewing position of the spring strings of odd rows on the machine base of the second group of the sewing assemblies, the sewing heads of the second group of the sewing assemblies move along the vertical direction to sew the second sewing position; step 1000: the second group of the sewing assemblies is extracted from the spring strings, and the pressing assembly is released; steps 300 to 1000 are repeated until the spring strings are sewn into a spring bed net with a predetermined size.

[0025] The spring bed net sewing method provided in the application uses the spring bed net sewing device provided in the application, and therefore has the beneficial effects of the spring bed net sewing device, which will not be described herein. BRIEF DESCRIPTION OF DRAWINGS

[0026] The above and / or additional aspects and advantages of the present application will become apparent and be readily understood from the following description, taken in conjunction with the following drawings, in which:

[0027] Figure 1 is a structural schematic view of a spring bed net sewn by the spring bed net sewing device of the embodiment of the application;

[0028] Figure 2 is a structural schematic view of the spring bed net sewing device of the embodiment of the application;

[0029] Figure 3is a top view structural schematic diagram of the spring bed net stitching equipment of the embodiment of the present application when stitching;

[0030] Figure 4 is a side view structural schematic diagram of the spring bed net stitching equipment of the embodiment of the present application when stitching;

[0031] Figure 5 is a side view structural schematic diagram of the stitching assembly and the pressing assembly in the embodiment of the present application;

[0032] Figure 6 is a local structural schematic diagram of the stitching assembly and the pressing assembly cooperating to stitch in the embodiment of the present application;

[0033] Figure 7 is an action schematic diagram of the spring bed net stitching equipment of the embodiment of the present application when running;

[0034] Figure 8 is an action schematic diagram of the spring bed net stitching equipment of the embodiment of the present application when running;

[0035] Figure 9 is an action schematic diagram of the spring bed net stitching equipment of the embodiment of the present application when running;

[0036] Figure 10 is an action schematic diagram of the spring bed net stitching equipment of the embodiment of the present application when running;

[0037] Figure 11 is Figure 2 a local enlarged view of area A in FIG. 8;

[0038] Figure 12 is a local structural schematic diagram of the installation relationship between the stitching assembly and the first installation assembly in the embodiment of the present application;

[0039] Figure 13 is a local structural schematic diagram of the limiting assembly in the embodiment of the present application;

[0040] Figure 14 is a local structural schematic diagram of the cutting assembly in the embodiment of the present application.

[0041] Reference signs:

[0042] the feeding assembly 100, the conveying member 110, the rolling body 120,

[0043] the stitching assembly 200, the stitching head 210, the needle 211, the needle plate 212, the machine base 220, the third driver 230,

[0044] the pressing assembly 300, the first pressing plate 310, the fourth driver 320, the bottom plate 330,

[0045] The limiting assembly 400, the limiting strip 410, the connecting plate 420, the fifth guide 430,

[0046] The receiving table 510,

[0047] The cutting assembly 600, the second pressing plate 610, the third pressing plate 620, the cutter 630, the fifth mounting seat 640, the sixth driver 650, the seventh driver 660, the sixth guide 670,

[0048] The first mounting seat 711, the second mounting seat 712, the first guide 713, the second guide 714, the fixing seat 716, the second driver 717, the fifth mounting seat 718, the third mounting seat 721, the fourth mounting seat 722, the fourth guide 723, the fifth driver 724,

[0049] The spring string 900, the first suture position 910, the second suture position 920. DETAILED DESCRIPTION

[0050] The embodiments of the present application are described below in detail, examples of the embodiments are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, only for explaining the present application, and cannot be understood as a limitation to the present application.

[0051] In the description of the present application, it is understood that the orientation description, such as "center", "transverse", "longitudinal", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, only for the purpose of facilitating the description of the present application and simplifying the description, and is not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation to the present application.

[0052] In the description of the present application, the meaning of several is one or more, the meaning of multiple is more than two, greater than, less than, more than, etc. are understood as not including the number, above, below, etc. are understood as including the number. If it is described that the first, the second is only for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0053] In the description of the present application, the words such as arrangement, installation, connection and the like should be understood broadly unless otherwise explicitly limited, and the person skilled in the art can determine the specific meaning of the above words in the present application in combination with the specific content of the technical solution.

[0054] The spring bed net is composed of multiple rows of spring strings, the springs are packaged in cloth to form a spring string, and the spring string includes multiple pocketed springs connected in sequence. The existing spring bed net usually needs to use hot melt adhesive when being combined, which causes the production process of the spring bed net to be more polluting, and the production finished product is not environmentally friendly, which is difficult to meet the requirements of low-carbon production and environmentally friendly production. Although using a welding process to combine the spring bed net can reduce the use of hot melt adhesive, the welding process is suitable for a smaller range of cloth and has limited use scenarios.

[0055] In the related art, there are devices that use a sewing process to package and manufacture spring strings, but there is still a lack of corresponding automated equipment in the process of combining the spring strings into a spring bed net.

[0056] Referring to Figure 1 , Figure 2 and Figure 3 , the spring bed net sewing device provided by the present application includes a feeding assembly 100, a sewing assembly 200, and a pressing cloth assembly 300. The feeding assembly 100 can move in the transverse direction (i.e., the Y direction in Figure 2 , left and right directions) to lay the spring strings 900 in the transverse direction, define the connection position of the two adjacent rows of spring strings 900 as the sewing position, and the sewing position includes the first sewing position 910 and the second sewing position 920. The spring string 900 to be sewn is sewn on the odd-numbered row of spring strings 900 through the first sewing position 910, and the spring string 900 to be sewn is sewn on the even-numbered row of spring strings 900 through the second sewing position 920.

[0057] Referring to Figure 4 , multiple sewing assemblies 200 are arranged at intervals in the transverse direction, the sewing assembly 200 corresponds to the sewing position, and the sewing assembly 200 can move in the vertical direction (i.e., the Z direction in Figure 2 , up and down directions) to extract the spring string 900 and switch to the next row of spring strings 900.

[0058] Referring to Figure 4 , Figure 5 and Figure 6The stitching assembly 200 comprises a stitching head 210 and a machine base 220, the stitching head 210 is mounted on the machine base 220, the stitching head 210 comprises a needle 211 and a needle plate 212 arranged opposite in the longitudinal direction, the machine base 220 is formed with a stitching channel extending in the vertical direction, the stitching head 210 is movable along the stitching channel to stitch the adjacent two rows of spring strings 900, and a plurality of pressing assemblies 300 are arranged in the transverse direction and correspond to the stitching assembly 200 in the longitudinal direction, the pressing assembly 300 is used to press the stitching position (i.e. the first stitching position 910 or the second stitching position 920) to be stitched on the machine base 220 to cooperate with the stitching head 210 for stitching.

[0059] Figure 1 The stitched spring bed net is exemplarily shown, and the laying and stitching sequence of the spring bed net is marked by numbers from small to large. As shown in Figure 1 , the first row of spring strings 900 (i.e. the spring string 900 marked as 1) is laid first; then the second row of spring strings 900 (i.e. the spring string 900 to be stitched) is laid on the first row of spring strings 900 and stitched on the first row of spring strings 900 through the first stitching position 910 (obviously the first row is an odd row); then the third row of spring strings 900 (i.e. the new spring string 900 to be stitched) is laid on the second row of spring strings 900 and stitched on the second row of spring strings 900 through the second stitching position 920 (obviously the second row is an even row), and the rows are stitched in this way until the spring bed net is completed.

[0060] It can be understood that the feeding assembly 100 lays the rows of spring strings 900 in sequence, and the rows of spring strings 900 can be connected together, at this time the spring string 900 fed by the feeding assembly 100 is a continuous spring string 900, and the feeding assembly 100 is arranged to lay the odd and even rows of spring strings 900 in the forward and reverse running processes in the transverse direction respectively. Alternatively, the rows of spring strings 900 can be disconnected before being combined, at this time the spring string 900 fed by the feeding assembly 100 is a disconnected spring string 900, and the feeding assembly 100 can be arranged to lay the odd and even rows of spring strings 900 in the forward and reverse running processes in the transverse direction respectively, or can be arranged to lay the spring string 900 only in the forward running process. Starting from the second row of spring strings 900, the pressing assembly 300 presses the stitching position to be stitched on the machine base 220 after laying a row of spring strings 900, and the stitching assembly 200 alternately stitches the first stitching position 910 and the second stitching position 920.

[0061] The application also provides a spring bed net stitching method, which is performed according to the following steps:

[0062] Step 100: the stitching assembly 200 corresponds to the first stitching position 910;

[0063] Step 200: The feeding assembly 100 moves along the transverse direction to lay the first row of spring strings 900;

[0064] Step 300: The feeding assembly 100 moves along the transverse direction to lay the even row of spring strings 900 (for example, the second row of spring strings 900) on the odd row of spring strings 900;

[0065] Step 400: The pressing assembly 300 presses the even row of spring strings 900 and the first stitching position 910 of the odd row of spring strings 900 on the machine base 220 of the stitching assembly 200, the stitching head 210 of the stitching assembly 200 moves along the vertical direction to stitch the first stitching position 910;

[0066] Step 500: The stitching assembly 200 is extracted from the spring strings 900, and the pressing assembly 300 is released;

[0067] Step 600: The stitching assembly 200 corresponds to the second stitching position 920;

[0068] Step 700: The feeding assembly 100 moves along the transverse direction to lay the odd row of spring strings 900 on the even row of spring strings 900;

[0069] Step 800: The pressing assembly 300 presses the even row of spring strings 900 and the second stitching position 920 of the odd row of spring strings 900 on the machine base 220 of the stitching assembly 200, the stitching head 210 of the stitching assembly 200 moves along the vertical direction to stitch the second stitching position 920;

[0070] Step 900: The stitching assembly 200 is extracted from the spring strings 900, and the pressing assembly 300 is released;

[0071] Step 1000: The stitching assembly 200 corresponds to the first stitching position 910;

[0072] Repeat steps 300 to 1000 until the spring strings 900 are stitched into a spring bed net of a predetermined size.

[0073] By using the stitching assembly, the spring bed net stitching device provided by the present application does not need to use hot melt glue when combining the spring strings 900, which helps to manufacture a spring bed net made of natural fiber materials without glue, and improves the environmental protection level of the spring bed net. The spring bed net stitching device realizes the automatic production of the stitched spring bed net, and the stitching assembly 200 stitches after laying one row of spring strings 900, which improves the production efficiency of the spring bed net and improves the product quality of the stitched spring bed net.

[0074] The spring bed net stitching method provided in the present application uses the spring bed net stitching device, and therefore has the beneficial effects provided by the spring bed net stitching device, which will not be repeated here.

[0075] The stitched spring string 900 needs to be conveyed downstream so that the feeding assembly 100 lays a new row of spring strings 900 to be stitched. In other words, the spring string 900 is stitched at the stitching station of the spring bed net stitching device, and after the stitching is completed, the stitched spring string 900 needs to be sent out of the stitching station, and the spring string 900 to be stitched needs to be sent into the stitching station, so that a new stitching can be started. For this purpose, in some embodiments, the stitching assembly 200 is capable of moving in the longitudinal direction to push the stitched spring string 900 to move downstream.

[0076] Integrating the conveying function on the stitching assembly 200 helps to simplify the structure of the spring bed net stitching device and the spring bed net stitching method. Of course, the spring bed net stitching device can also be provided with a dedicated conveying assembly to complete the longitudinal conveying of the stitched spring string 900, for example, using a conveying belt as the conveying assembly, the feeding assembly 100 lays the spring string 900 on the conveying belt, and after stitching, the conveying belt starts to convey the spring string 900 downstream, or integrating the conveying function on the pressing assembly 300, and the pressing assembly 300 moves longitudinally again to push the spring string 900 out after stitching.

[0077] During the stitching process, the first stitching position 910 and the second stitching position 920 alternately stitch, that is, the stitching assembly 200 participating in the stitching only needs to correspond to the first stitching position 910 or the second stitching position 920 each time. The spring bed net stitching device can have only one set of stitching assembly 200, and the stitching assembly 200 switches between corresponding to the first stitching position 910 and the second stitching position 920; or the spring bed net stitching device has two sets of stitching assembly 200, and the two sets of stitching assembly 200 correspond to the first stitching position 910 and the second stitching position 920 respectively.

[0078] Corresponding to the design concept of having only one set of stitching assembly 200, the spring bed net stitching device can be further designed such that the stitching assembly 200 is capable of moving in the transverse direction to correspond to the first stitching position 910 or the second stitching position 920 respectively.

[0079] At this time, for example, in step 1000 of the spring bed net stitching method, the stitching assembly 200 corresponding to the first stitching position 910 includes moving the stitching assembly 200 in the transverse direction to switch to correspond to the first stitching position 910; and in step 600, the stitching assembly 200 corresponding to the second stitching position 920 includes moving the stitching assembly 200 in the transverse direction to switch to correspond to the second stitching position 920.

[0080] Further, when the stitching assembly 200 is capable of moving in the longitudinal direction, in step 500, before the stitching assembly 200 is extracted from the spring string 900, the stitching assembly 200 moves in the longitudinal direction to push the stitched spring string 900 away from the stitching station; in step 900, before the stitching assembly 200 is extracted from the spring string 900, the stitching assembly 200 moves in the longitudinal direction to push the stitched spring string 900 away from the stitching station. In step 200, the stitching assembly 200 reaches the stitching station in the longitudinal direction, moves in the transverse direction to a position corresponding to the first stitching position 910, and then is inserted between the spring strings 900 in the vertical direction; in step 600, the stitching assembly 200 reaches the stitching station in the longitudinal direction, moves in the transverse direction to a position corresponding to the second stitching position 920, and then is inserted between the spring strings 900 in the vertical direction.

[0081] And corresponding to the design concept of having two sets of stitching assemblies 200, the stitching assembly 200 does not need to move in the transverse direction, but only needs to be reinserted into a new stitching position after extraction.

[0082] At this time, the two sets of stitching assemblies 200 can move synchronously, and the corresponding spring bed net stitching method is basically the same as the spring bed net stitching method when there is only one set of stitching assemblies 200, except that the transverse movement of the stitching assembly 200 is omitted in steps 200 and 600.

[0083] However, in the above spring bed net stitching method, due to the small gap between the spring strings 900, the stitching assembly 200 is easily damaged or even torn when inserted, resulting in product defects. Therefore, the two sets of stitching assemblies 200 can be designed to move alternately. Specifically, the spring bed net stitching equipment is further designed such that the plurality of stitching assemblies 200 are divided into two sets, the stitching assemblies 200 in the same set are arranged at intervals in the transverse direction, the stitching assemblies 200 in different sets are staggered with each other in the transverse direction, the two sets of stitching assemblies 200 correspond to the first stitching position 910 and the second stitching position 920 respectively, and the two sets of stitching assemblies 200 are capable of moving in the longitudinal direction to alternately move to the side of the spring string close to the feeding assembly 100 and return to the stitching position, thereby avoiding damage to the spring string when the stitching assembly 200 is inserted into the stitching position, and alternately performing the stitching action. The stitching assembly 200 pushes the spring string 900 to move downstream in the process of returning to the stitching position in the longitudinal direction.

[0084] Obviously, in the same set of stitching assemblies 200, the transverse distance between two adjacent machine bases 220 corresponds to the transverse size of two pocketed springs.

[0085] At this time, referring to Figure 3 , Figure 7 , Figure 8 , Figure 9 and Figure 10The spring bed net sewing method can be carried out in the following steps:

[0086] Step 100: The first group of sewing assemblies 200 is at the sewing station;

[0087] Step 200: The feeding assembly 100 moves along the transverse direction to lay the first row of spring strings 900;

[0088] Step 300: The second group of sewing assemblies 200 moves to the side of the first row of spring strings 900 (for example, the first row of spring strings 900) close to the feeding assembly 100, and then moves along the longitudinal direction to push the first row of spring strings 900 to the sewing station (starting from the third row, and also pushing the sewn spring strings 900 away from the sewing station);

[0089] Step 400: The feeding assembly 100 moves along the transverse direction to lay the second row of spring strings 900 (for example, the second row of spring strings 900) on the first row of spring strings 900;

[0090] Step 500: The pressing assembly 300 presses the second row of spring strings 900 and the first sewing position 910 of the first row of spring strings 900 on the base 220 of the first group of sewing assemblies 200, the sewing head 210 of the first group of sewing assemblies 200 moves along the vertical direction to sew the first sewing position 910;

[0091] Step 600: The first group of sewing assemblies 200 is extracted from the spring strings 900 (as shown in Figure 8 ), and the pressing assembly 300 is released (as shown in Figure 7 );

[0092] Step 700: The first group of sewing assemblies 200 moves to the side of the second row of spring strings 900 close to the feeding assembly 100, and then moves along the longitudinal direction to push the second row of spring strings 900 to the sewing station (as shown in Figure 9 , and also pushes the sewn spring strings 900 away from the sewing station);

[0093] Step 800: The feeding assembly 100 moves along the transverse direction to lay the first row of spring strings 900 on the second row of spring strings 900 (as shown in Figure 10 );

[0094] Step 900: The pressing assembly 300 presses the second row of spring strings 900 and the second sewing position 920 of the first row of spring strings 900 on the base 220 of the second group of sewing assemblies 200, the sewing head 210 of the second group of sewing assemblies 200 moves along the vertical direction to sew the second sewing position 920;

[0095] Step 1000: The second group of sewing assemblies 200 is extracted from the spring strings 900, and the pressing assembly 300 is released;

[0096] The steps 300 to 1000 are repeated until the spring string 900 is stitched into a spring bed net of a predetermined size.

[0097] In this method of alternately pushing the spring string 900, since the stitching assembly 200 is first inserted vertically and then moved into position in the longitudinal direction, the risk of damage to the packaging bag (i.e. the cloth of the spring string 900) during the stitching process can be reduced.

[0098] It can be understood that the spring bed net stitching device needs to include a first mounting assembly, and the two sets of stitching assemblies 200 are respectively mounted on the two first mounting assemblies, so as to realize the mutual alternation of movement. The first mounting assembly includes a first driver for driving the stitching assembly 200 to move in the vertical direction, so as to be pulled out from between the spring strings 900, and a second driver 717 for driving the stitching assembly 200 to move in the longitudinal direction, so as to push the spring string 900 into position from the longitudinal direction close to the spring string 900 laid by the feeding assembly 100.

[0099] Exemplarily, referring to Figure 4 In some embodiments, the two sets of stitching assemblies 200 are respectively arranged on the two sides of the spring string 900 in the vertical direction. Such a layout makes the adjacent stitching assemblies 200 staggered in the vertical direction, which helps to reduce the distance between the two adjacent stitching assemblies 200, so that the spring bed net stitching device is suitable for stitching the spring string 900 with smaller specification of bagged springs. Of course, in other embodiments, the two sets of stitching assemblies 200 can also be arranged on the same side of the spring string 900 in the vertical direction.

[0100] Exemplarily, referring to Figure 4 , Figure 11 and Figure 12 The first mounting assembly includes a first mounting seat 711, a second mounting seat 712, a first guide 713 (embodied as a guide column in the figure) and a second guide 714 (embodied as a guide rail in the figure). The first guide 713 is mounted on the rack, the first guide 713 extends in the vertical direction, the first mounting seat 711 is movably mounted on the first guide 713, the second guide 714 is mounted on the first mounting seat 711, the second guide 714 extends in the longitudinal direction, and the second mounting seat 712 is movably mounted on the second guide 714. The stitching assembly 200 is mounted on the second mounting seat 712, the first driver (not shown in the figure) is connected with the first mounting seat 711 to drive the first mounting seat 711 to move in the vertical direction, and the second driver 717 is a rotating motor which drives the second mounting seat 712 to move in the longitudinal direction by means of an eccentric wheel configured crank slider mechanism.

[0101] The first driver can be directly connected to the first mounting seat 711, or can be indirectly connected to the first mounting seat 711 through belt transmission, chain transmission, screw rod transmission, connecting rod transmission, etc. Similarly, the second driver 717 can be directly connected to the second mounting seat 712, or can be indirectly connected to the second mounting seat 712 through belt transmission, chain transmission, screw rod transmission, connecting rod transmission, etc. In addition to the guide rail and the guide column, the first guide 713 and the second guide 714 can be designed according to the existing related technology, which will not be described here.

[0102] In some embodiments, the spacing of adjacent stitching assemblies 200 can be adjusted to match different specifications of spring strings 900. For example, continuing to refer to Figure 4 and Figure 12 , the first mounting assembly includes a third guide 715 (embodied as a guide rail in the figure) extending in the transverse direction, and the stitching assembly 200 is movably mounted on the third guide 715, so as to be able to adjust the position in the transverse direction. The third guide 715 is mounted on the second mounting seat 712, realizing the mounting of the stitching assembly 200 on the first mounting assembly.

[0103] The first mounting assembly can further include a fixing seat 716 formed with a fastening groove extending in the transverse direction, and the stitching assembly 200 is fixedly connected with the fastening groove through a fastener, so as to lock the position after being adjusted in the transverse direction. The fixing seat 716 can be made of a standard profile as shown in Figure 12 , which helps to reduce the processing cost. The fixing seat 716 is mounted on the second mounting seat 712, and the addition of the fixing seat 716 also helps to improve the structural strength of the second mounting seat 712. If the strength allows, the fastening groove can also be directly formed on the second mounting seat 712.

[0104] The stitching principle of the stitching head 210 can refer to the sewing machine in the related technology. Briefly, referring to Figure 5 , the needle plate 212 and the machine base 220 are located on the same side of the needle 211 in the longitudinal direction, and the stitching channel has an opening towards the needle 211 in the longitudinal direction. The stitching position is pressed at the opening of the stitching channel. When the stitching head 210 moves along the stitching channel, the needle plate 212 enters the stitching channel, while the needle 211 is outside the stitching channel. Thus, the needle plate 212 and the needle 211 are respectively located on the two sides of the stitching position, the needle 211 passes through the stitching position with the thread, moves towards the needle plate 212, and then retreats to the side, thereby performing a stitch on the stitching position. The needle 211 reciprocally moves with the movement of the stitching head 210, thereby completing the stitching process.

[0105] The stitching assembly 200 needs to include a third driver 230 for driving the stitching head 210 in vertical movement, which can be directly connected to the stitching head 210, or also indirectly connected to the stitching head 210 through belt transmission, chain transmission, screw rod transmission, connecting rod transmission, etc. For example, referring to Figure 4 and Figure 6 , the third driver 230 is driven through a gear and rack mechanism, the third driver 230 is a rotating motor, the gear is connected to the third driver 230, and the corresponding rack is installed on the machine base 220.

[0106] During the vertical stitching of the stitching head 210, the pressing assembly 300 needs to continuously and stably press the stitching position of the spring string 900 to cooperate with the machine base 220 to ensure the quality of the suture, and for this purpose, the pressing assembly 300 needs to avoid the stitching head 210 in motion.

[0107] Exemplarily, referring to Figure 4 and Figure 6 , the pressing assembly 300 includes a first pressing plate 310, two first pressing plates 310 are arranged in transverse spacing, and an avoidance channel for avoiding the stitching head 210 is formed between the first pressing plates 310; the pressing assembly 300 includes a fourth driver 320, the first pressing plate 310 is installed on the fourth driver 320, and the fourth driver 320 is used to drive the first pressing plate 310 in longitudinal movement. On the one hand, the avoidance channel plays the effect of avoiding the stitching head 210, and on the other hand, the pressing assembly 300 uses two first pressing plates 310 to press from both sides, so that the pressing effect of the stitching position is better.

[0108] Further referring to Figure 6 , the two first pressing plates 310 can adopt an integrated design, specifically, the pressing assembly 300 has a pressing piece, both ends of the pressing piece are folded to the same side, thereby forming two first pressing plates 310, and the middle part of the pressing piece forms a bottom plate 330 connecting the two first pressing plates 310, and the bottom plate 330 is installed on the output end of the fourth driver 320 (here, a pneumatic cylinder). The integrated design can simplify the installation method, and also can keep the relative position relationship of the two first pressing plates 310 stable, avoiding repeated debugging and calibration during assembly.

[0109] The pressing assembly 300 is located on the same side of the stitching assembly 200 in the longitudinal direction with the feeding assembly 100, so when the feeding assembly 100 lays the spring string 900, the pressing assembly 300 needs to avoid the movement route of the feeding assembly 100. The pressing assembly 300 can choose to move or rotate to avoid, for example, the pressing assembly 300 is designed to move in the vertical direction, or the pressing assembly 300 is designed to flip around an axis along the transverse direction, etc.

[0110] In some embodiments, considering that the presser assembly 300 can interfere with the stitching assembly 200 when vertically avoiding (refer to Figure 4 ), the presser assembly 300 thus selects to flip to avoid. Specifically, referring to Figure 4 , Figure 9 and Figure 10 , the spring bed net stitching device comprises a second mounting assembly, the second mounting assembly comprises a fourth mounting base 722 and a fifth driver 724, the fourth mounting base 722 is rotatably mounted on the rack, the presser assembly 300 is mounted on the fourth mounting base 722, and the fifth driver 724 is used to drive the fourth mounting base 722 and the presser assembly 300 thereon to flip.

[0111] When the spacing of the adjacent stitching assemblies 200 in the lateral direction is adjustable, the spacing of the adjacent presser assemblies 300 also needs to be adjustable to adapt to different specifications of the spring string 900. Exemplarily, referring to Figure 4 and Figure 9 , the second mounting assembly comprises a fourth guide 723 (embodied as a guide rail in the figure) extending in the lateral direction, and the presser assembly 300 is movably mounted on the fourth guide 723. The fourth guide 723 is further mounted on the fourth mounting base 722, realizing the mounting of the presser assembly 300.

[0112] The feeding assembly 100 feeds the spring string 900 through the conveying member 110. Exemplarily, referring to Figure 3 , the conveying member 110 comprises a ratchet wheel, and two ratchet wheels are oppositely arranged in the lateral direction. The shape of the ratchet wheel matches the shape of the bagged spring, and the bagged spring is sequentially sent out with the rotation of the ratchet wheel, thereby effectively controlling the conveying speed. In addition to the ratchet wheel, the conveying member 110 can also adopt a structure with conveying capacity such as a roller or a conveying belt. According to the specific design of the conveying member 110, the conveying member 110 can be arranged on one side or both sides of the spring string 900, and the conveying member 110 can be arranged in the lateral direction or the vertical direction.

[0113] The feeding assembly 100 is further formed with a conveying channel, and the conveying member 110 is located at the outlet end of the conveying channel. The conveying channel defines the feeding route of the spring string 900, avoiding interference between the spring string 900 and other structures of the spring bed net stitching device. For example, in Figure 3 , the conveying channel limits the spring string 900 in the lateral direction and the vertical direction, on the one hand, avoiding the spring string 900 swinging in the lateral direction when the feeding assembly 100 moves in the lateral direction, and on the other hand, avoiding the spring string 900 bending and falling in the vertical direction under the influence of gravity. In order to make the conveying of the spring string 900 more smooth, the inner wall of the conveying channel can be arranged with rolling bodies 120 (for example, rollers arranged in rows in Figure 3 ). The rolling bodies 120 are used to reduce the conveying resistance of the spring string 900.

[0114] Since there is a time difference between the spring string 900 laid by the feeding assembly 100 and the spring string 900 pressed by the pressing assembly 300 and the spring string 900 stitched by the stitching assembly 200, the laid spring string 900 needs to be pre-positioned to avoid the position of the spring string 900 from changing or even falling under its own weight.

[0115] To this end, in some embodiments, the spring bed net stitching device comprises a positioning assembly 400, two groups of positioning assemblies 400 are arranged in vertical spacing to form a receiving channel for positioning the spring string 900, the machine base 220 extends in the vertical direction and across the receiving channel, and the feeding assembly 100 lays the spring string 900 to the machine base 220 located in the receiving channel. Referring to Figure 4 That is, compared to the machine base 220 waiting for the spring string 900 at the stitching station, the entrance of the receiving channel is closer to the feeding assembly 100 in the longitudinal direction, and the machine base 220 and the two groups of positioning assemblies 400 position the spring string 900 from three directions respectively, thereby avoiding the position of the spring string 900 from changing. In order to improve the positioning effect, the positioning assembly 400 can be further provided with a magnet for adsorbing and positioning the spring string 900.

[0116] The size of the receiving channel needs to correspond to the size of the spring string 900, and in order to match spring strings 900 of different specifications, the vertical spacing of the two groups of positioning assemblies 400 can be adjusted. Specifically, one group of positioning assemblies 400 can remain stable in the vertical direction, and the other group of positioning assemblies 400 can move in the vertical direction, or both groups of positioning assemblies 400 can move in the vertical direction. Exemplarily, referring to Figure 11 and Figure 13 The first mounting assembly further comprises a fifth mounting seat 718 mounted on the first guide 713, and the upper group of positioning assemblies 400 is mounted on the fifth mounting seat 718, so as to move in the vertical direction and further adjust the size of the receiving channel in the vertical direction. The stitching assembly 200 and the positioning assembly 400 share the first mounting assembly for installation, which helps to simplify the structural design of the spring bed net stitching device, reduce production cost, and facilitate maintenance.

[0117] The positioning assembly 400 needs to avoid the movement route of the stitching assembly 200, so the positioning assembly 400 comprises a positioning strip 410, the same group of positioning strips 410 are arranged in lateral spacing, and the positioning strips 410 are staggered with the stitching assembly 200 in the lateral direction to allow the stitching assembly 200 to pass between the positioning strips 410. As Figure 13 shown, the positioning strip 410 can be provided with a groove, and the magnet can be placed in the groove.

[0118] Referring to Figure 4 and Figure 13The limiting assembly 400 can further include a connecting plate 420, on which the limiting strips 410 are installed, the connecting plate 420 being located at the side of the limiting strips 410 away from the feeding assembly 100, the connecting plate 420 prolongs the receiving channel so as to guide the stitched spring string 900 to exit. In order to adapt to the change of the interval of the stitching assembly 200, the limiting assembly 400 can further include a fifth guide 430 (embodied as a guide rail in the figure) extending in the transverse direction, the limiting strips 410 are movably installed on the fifth guide 430 so as to adjust the interval of the limiting strips 410 in the transverse direction. The fifth guide 430 is installed on the connecting plate 420, realizing the installation of the limiting strips 410.

[0119] In some embodiments, the spring bed net stitching device further includes a receiving assembly located at the side of the limiting assembly 400 away from the feeding assembly 100, the receiving assembly is in abutment with the limiting assembly 400 so as to receive the spring bed net formed after stitching. Exemplarily, referring to Figure 4 , the receiving assembly can include a receiving table 510 for receiving the spring bed net. Alternatively, the receiving assembly can further include a conveying line for conveying the spring bed net out.

[0120] The spring string 900 can be provided to the spring bed net stitching device in a continuous state, so as to save the step of cutting the spring string 900 to the designed length in advance. In this case, after the feeding of the feeding assembly 100 is completed, the spring bed net stitching device needs to cut the continuous spring string 900. For this purpose, the spring bed net stitching device includes a cutting assembly 600 for cutting the spring string 900.

[0121] Exemplarily, referring to Figure 11 and Figure 14 , the cutting assembly 600 is located at one side or both sides of the stitching assembly 200 in the transverse direction, the cutting assembly 600 includes a second pressing plate 610, a third pressing plate 620 and a cutter 630, the second pressing plate 610 and the third pressing plate 620 are oppositely arranged in the longitudinal direction, the second pressing plate 610 and the third pressing plate 620 can be close to each other to press the spring string 900, and the cutter 630 can move in the vertical direction to cut the spring string 900.

[0122] Further, referring to Figure 14The cutting assembly 600 includes a fifth mounting base 640, a sixth driver 650 and a seventh driver 660, the cutting knife 630, the seventh driver 660 and the third pressing plate 620 are mounted on the fifth mounting base 640, and the sixth driver 650 is capable of driving the fifth mounting base 640 to move in the longitudinal direction to approach the second pressing plate 610. The cutting knife 630 is mounted by a sixth guide 670 (embodied as a guide rail in the figure) extending in the vertical direction, and the seventh driver 660 is capable of driving the cutting knife 630 to move in the vertical direction. The third pressing plate 620 is formed with a cutting slot extending in the vertical direction, and the cutting knife 630 extends from the cutting slot to between the second pressing plate 610 and the third pressing plate 620 to cut the spring string 900 pressed by the second pressing plate 610 and the third pressing plate 620.

[0123] It can be understood that when the spring strings 900 in each row of the spring bed net are separated from each other, the cutting assembly 600 cuts once after the feeding assembly 100 lays each row of the spring string 900, and when the spring strings 900 in each row of the spring bed net are connected to each other, the cutting assembly 600 only cuts the last row of the spring string 900 when the spring bed net is sewn, so that the completed spring bed net is separated from the remaining spring strings 900.

[0124] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "exemplary embodiment", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the exemplary description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0125] In some alternative embodiments, the functions / operations mentioned in the block diagram can not occur in the order mentioned in the operation diagram. For example, depending on the functions / operations involved, two blocks shown in succession can actually be executed substantially simultaneously or the blocks can sometimes be executed in reverse order. In addition, the embodiments presented and described in the flowcharts of the present application are provided by way of example, with the purpose of providing a more comprehensive understanding of the technology. The disclosed method is not limited to the operations and logical flows presented herein. Alternative embodiments are contemplated in which the order of various operations is changed and in which sub-operations described as part of larger operations are independently executed.

[0126] Although the embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and purposes of the present application, and the scope of the present application is defined by the claims and their equivalents.

Claims

1. A spring bed web stitching apparatus, characterized by, The spring bed net sewing device comprises a feeding assembly, a plurality of sewing assemblies, and a pressing assembly. The feeding assembly is capable of moving in the transverse direction to lay the spring string along the transverse direction, and defines a connecting position of two adjacent rows of the spring string as a sewing position, which comprises a first sewing position and a second sewing position. The sewing assembly is capable of moving in the vertical direction to switch to the next row of the spring string. The sewing assembly comprises a sewing head and a machine base.

2. The spring net stitching apparatus of claim 1, wherein, The machine base is formed with a sewing channel extending in the vertical direction.

3. The spring net stitching apparatus of claim 1, wherein, The sewing head is mounted on the machine base.

4. The spring net stitching apparatus of claim 1, wherein, The sewing head comprises a needle and a needle plate arranged opposite in the longitudinal direction.

5. The spring net stitching apparatus of claim 4, wherein, The sewing head is capable of moving along the sewing channel to sew two adjacent rows of the spring string.

6. The spring net stitching apparatus of claim 5, wherein, The sewing assembly is capable of moving in the longitudinal direction to push the sewed spring string to move downstream. The sewing assembly is capable of moving in the transverse direction to correspond to the first sewing position or the second sewing position. The spring bed net sewing device comprises a first mounting assembly. Two groups of the sewing assembly are respectively mounted on two first mounting assemblies. The two groups of the sewing assembly are respectively arranged on both sides of the spring string in the vertical direction. The first mounting assembly comprises a first mounting base, a second mounting base, a first guide, and a second guide. The first guide is mounted on a rack. The first guide extends in the vertical direction. The first mounting base is movably mounted on the first guide. The second guide is mounted on the first mounting base. The second guide extends in the longitudinal direction. The second mounting base is movably mounted on the second guide. The distance between adjacent sewing assemblies is adjustable to match different specifications of the spring string. The first mounting assembly comprises a third guide extending in the transverse direction. The third guide is mounted on the second mounting base. The sewing assembly is movably mounted on the third guide.

7. The spring netting apparatus of claim 1, wherein, The pressing assembly comprises first pressing plates, two of which are arranged in the transverse direction and form a channel for avoiding the sewing head; the pressing assembly comprises a fourth driver, the first pressing plates are mounted on the fourth driver, and the fourth driver is used to drive the first pressing plates to move in the longitudinal direction.

8. The spring net stitching apparatus of claim 7, wherein, The pressing assembly can move in the vertical direction or rotate around an axis in the transverse direction to avoid the movement path of the feeding assembly; the spring bed net sewing device comprises a second mounting assembly, which comprises a fourth mounting seat and a fifth driver, the fourth mounting seat is rotatably mounted on the frame, the pressing assembly is mounted on the fourth mounting seat, and the fifth driver is used to drive the fourth mounting seat and the pressing assembly to rotate.

9. The spring net stitching apparatus of claim 8, wherein, The spacing between adjacent pressing assemblies is adjustable to match different specifications of the spring string; the second mounting assembly comprises a fourth guide extending in the transverse direction, and the pressing assembly is movably mounted on the fourth guide.

10. The spring netting apparatus of claim 1, wherein, The spring bed net sewing device comprises limiting assemblies, two of which are arranged in the vertical direction to form a receiving channel for limiting the spring string, and the machine base extends in the vertical direction and across the receiving channel; the feeding assembly lays the spring string on the machine base located in the receiving channel.

11. The spring net stitching apparatus of claim 10, wherein, The limiting assembly comprises limiting strips, two of which are arranged in the transverse direction and are staggered with the sewing assembly in the transverse direction to allow the sewing assembly to pass between the limiting strips; the limiting strips are provided with magnets for adsorbing and positioning the spring string; the limiting assembly comprises a fifth guide extending in the transverse direction, and the limiting strips are movably mounted on the fifth guide to adjust the spacing of the limiting strips in the transverse direction.

12. The spring net stitching apparatus of claim 10, wherein, The spring bed net sewing device comprises a receiving assembly located on the side of the limiting assembly away from the feeding assembly, and the receiving assembly comprises a receiving table for receiving the spring bed net.

13. The spring netting apparatus of claim 1, wherein, The spring bed net sewing device comprises a cutting assembly located on one side or both sides of the sewing assembly in the transverse direction, and the cutting assembly comprises second and third pressing plates and a cutter, the second and third pressing plates are arranged opposite to each other in the longitudinal direction and can approach each other to press the spring string, and the cutter can move in the vertical direction to cut the spring string.

14. The spring netting apparatus of claim 1, wherein, The feeding assembly comprises a conveying member, which comprises at least one of a ratchet wheel, a roller, and a conveying belt, and is used to convey the spring string.

15. The spring netting sewing apparatus of claim 14, wherein, The feeding assembly forms a conveying channel, the conveying member is located at the outlet end of the conveying channel, the conveying member comprises ratchet wheels, and two of them are arranged opposite to each other in the transverse direction; the inner wall of the conveying channel is provided with rolling bodies for reducing the conveying resistance of the spring string.

16. A method of sewing a spring bed web, characterized by The spring bed net sewing method using the spring bed net sewing equipment of any one of claims 1 to 15 comprises the following steps: Step 100: the sewing assembly corresponds to the first sewing position; Step 200: the feeding assembly moves along the transverse direction to lay the first row of spring strings; Step 300: the feeding assembly moves along the transverse direction to lay the even row of spring strings on the odd row of spring strings; Step 400: the pressing assembly presses the even row of spring strings and the first sewing position of the odd row of spring strings on the machine base, and the sewing head moves along the vertical direction to sew the first sewing position; Step 500: the sewing assembly is extracted from the spring strings, and the pressing assembly is released; Step 600: the sewing assembly corresponds to the second sewing position; Step 700: the feeding assembly moves along the transverse direction to lay the odd row of spring strings on the even row of spring strings; Step 800: the pressing assembly presses the even row of spring strings and the second sewing position of the odd row of spring strings on the machine base, and the sewing head moves along the vertical direction to sew the second sewing position; Step 900: the sewing assembly is extracted from the spring strings, and the pressing assembly is released; Step 1000: the sewing assembly corresponds to the first sewing position; Steps 300 to 1000 are repeated until the spring strings are sewn into a spring bed net of a predetermined size.

17. The method of claim 16, wherein, In step 1000, the sewing assembly moves along the transverse direction to switch to correspond to the first sewing position; in step 600, the sewing assembly moves along the transverse direction to switch to correspond to the second sewing position.

18. A method of sewing a spring bed web, characterized by The spring bed net sewing method using the spring bed net sewing equipment of any one of claims 1 to 15 comprises the following steps: Step 100: the first group of sewing assemblies are in the sewing station; Step 200: the feeding assembly moves along the transverse direction to lay the first row of spring strings; Step 300: the second group of sewing assemblies move to the side close to the feeding assembly of the odd row of spring strings, and then move along the longitudinal direction to push the odd row of spring strings to the sewing station; Step 400: the feeding assembly moves along the transverse direction to lay the even row of spring strings on the odd row of spring strings; Step 500: the pressing assembly presses the even row of spring strings and the first sewing position of the odd row of spring strings on the machine base of the first group of sewing assemblies, and the sewing head of the first group of sewing assemblies moves along the vertical direction to sew the first sewing position; Step 600: the first group of sewing assemblies are extracted from the spring strings, and the pressing assembly is released; Step 700: the first group of sewing assemblies move to the side close to the feeding assembly of the even row of spring strings, and then move along the longitudinal direction to push the even row of spring strings to the sewing station; Step 800: the pressing assembly presses the even row of spring strings and the second sewing position of the odd row of spring strings on the machine base, and the sewing head moves along the vertical direction to sew the second sewing position; Step 900: the sewing assembly is extracted from the spring strings, and the pressing assembly is released; Step 1000: the sewing assembly corresponds to the first sewing position; Steps 300 to 1000 are repeated until the spring strings are sewn into a spring bed net of a predetermined size. In step 1000, the sewing assembly moves along the transverse direction to switch to correspond to the first sewing position; in step 600, the sewing assembly moves along the transverse direction to switch to correspond to the second sewing position. Step 800: the feeding assembly moves along the transverse direction to lay the odd-row spring string on the even-row spring string; Step 900: the pressing assembly presses the even-row spring string and the second stitching position of the odd-row spring string on the machine base of the second set of stitching assemblies, the stitching heads of the second set of stitching assemblies move along the vertical direction to stitch the second stitching position; Step 1000: the second set of stitching assemblies are extracted from the spring string, and the pressing assembly is released; Repeat steps 300 to 1000 until the spring string is stitched into a spring bed net of a predetermined size.

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