Bed mesh edge fastening tooling

By designing the bottom frame and positioning part of the bed net edge fastening fixture, the positioning groove and magnetic block are used to realize the rapid positioning of the support spring and the edge, which solves the problem of difficult positioning of the support spring and the edge in the existing technology, improves the assembly efficiency and reduces the labor intensity, and supports automated assembly.

CN118061112BActive Publication Date: 2026-06-30FOSHAN YUANTIAN MATTRESS MACHINERY

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
FOSHAN YUANTIAN MATTRESS MACHINERY
Filing Date
2022-11-22
Publication Date
2026-06-30

AI Technical Summary

Technical Problem

Existing mechanical equipment has difficulty accurately positioning irregularly shaped support springs and bed frame edges, resulting in low efficiency and high labor intensity in manual assembly.

Method used

A bed net edge fastening fixture was designed, including a base frame and a positioning part. The support spring and the edge are positioned by positioning straight groove and spring ring positioning groove. The positioning effect is improved by using spring column and magnetic block, and it can be adapted to different specifications and sizes by adjusting block and bolt.

Benefits of technology

It enables rapid positioning and fixing of the support spring and the surrounding edge, improving assembly efficiency, reducing the labor intensity of workers, and supporting automated assembly.

✦ Generated by Eureka AI based on patent content.

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    Figure CN118061112B_ABST
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Abstract

This invention discloses a bed net hemming fixture, comprising: a base frame; and a lower positioning part connected to one side of the base frame. The top side of the lower positioning part is provided with a positioning straight groove and a spring coil positioning groove. The positioning straight groove is located on the side away from the center of the base frame relative to the spring coil positioning groove. Multiple lower positioning parts are arranged around the center of the base frame on the outer side of the base frame. This invention can fix the four sides of the support spring to the four sides of the edge respectively, thereby realizing subsequent rapid hemming assembly, improving the efficiency of bed net hemming, reducing the labor intensity of workers, and facilitating automated assembly.
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Description

Technical Field

[0001] This invention relates to mattress manufacturing equipment, and more particularly to mattress mesh fastening fixtures. Background Technology

[0002] The bed frame consists of upper and lower sidewalls and support springs located between them. When assembling the sidewalls and support springs, the spring coils around the support springs need to be clamped to the sides of the sidewalls using clamps. Due to the irregular shape and elasticity of the support springs, existing machinery struggles to perfectly position them. Currently, manual clamping is required, with the springs and sidewalls being aligned and the spring coils on the sides of the support springs being attached to the sidewalls using the clamps. This assembly process is labor-intensive and inefficient. Therefore, to improve efficiency by using machinery to position the support springs and sidewalls, it is necessary to first establish the correct mutual positioning of the support springs and sidewalls. Summary of the Invention

[0003] The purpose of this invention is to provide a bed net sewing tool to solve one or more technical problems existing in the prior art, and at least provide a beneficial option or create conditions.

[0004] The solution to the technical problem of this invention is:

[0005] The bed netting edge fastening fixture includes: a bottom frame; and a lower positioning part connected to one side of the bottom frame. The top side of the lower positioning part is provided with a positioning straight groove and a spring ring positioning groove. The positioning straight groove is located on the side away from the center of the bottom frame relative to the spring ring positioning groove. Multiple lower positioning parts are arranged around the center of the bottom frame on the outside of the bottom frame.

[0006] This technical solution has at least the following beneficial effects: the edge to be fastened and the support spring are placed on the bottom frame, a part of the edge is snapped into the positioning groove of the lower positioning part, and the spring ring at the bottom of the side of the support spring is snapped into the spring ring positioning groove. In this way, one lower positioning part can position the support spring and a part of the edge to each other. By using multiple lower positioning parts surrounding the bottom frame, the four sides of the support spring can be respectively aligned with the four sides of the edge and kept relatively fixed, thereby realizing subsequent quick edge fastening assembly, improving the efficiency of bed net edge fastening, reducing the labor intensity of workers, and facilitating the realization of automated assembly.

[0007] As a further improvement to the above technical solution, the lower positioning part includes a connecting plate, a spring column, a support plate, and a positioning plate. The connecting plate is connected to the bottom frame, the bottom end of the spring column is connected to the connecting plate, the top end of the spring is connected to the support plate, and the positioning plate is disposed on the top side of the support plate. The positioning straight groove and the spring ring positioning groove are both disposed on the positioning plate. The connecting plate is installed and fixed on the bottom frame, and the support plate can abut against and support the side of the perimeter and the support spring. The spring ring positioning groove for clamping the spring ring and the positioning straight groove for clamping the perimeter are disposed on the positioning plate. The connecting plate and the support plate are connected to each other by the spring column. When the perimeter and the support spring press down on the support plate, the elastic support force provided by the spring rod to the support plate can make the perimeter and the support spring more tightly clamped in the positioning straight groove and the spring ring positioning groove, thereby improving the positioning effect of the perimeter and the support spring.

[0008] As a further improvement to the above technical solution, the lower positioning part further includes an adjusting block and a first bolt. The support plate is provided with a lower oblong hole extending along the length of the side of the bottom frame. The first bolt passes upward through the lower oblong hole and is connected to the adjusting block. The positioning plate is connected to the support plate. The positioning plate is fixed to the adjusting block, and its position can be adjusted to accommodate support springs of different sizes. Specifically, the first bolt is first loosened, allowing it to move back and forth within the length extension direction of the lower oblong hole to adjust the position of the support plate. This allows the spring ring limiting groove on the positioning plate to engage with the corresponding support spring's spring ring. After adjustment, the first bolt is tightened again, pressing the adjusting block firmly onto the support plate.

[0009] As a further improvement to the above technical solution, two positioning plates are arranged at intervals along the length of the side of the bottom frame. The spring ring positioning grooves in the two positioning plates are inclined towards the bottom frame in a mutually distancing direction. In each lower positioning part, two positioning plates clamp and position the support spring and the surrounding edge. The limiting straight grooves in the two positioning plates clamp the surrounding edge, which can increase the coverage of the clamping and positioning of the surrounding edge. The spring ring positioning grooves in the two positioning plates form a figure-eight shape, which clamps different positions of the same spring ring on the support spring, which helps to prevent the spring ring from shifting or twisting, and better achieves the clamping and positioning of the support spring.

[0010] As a further improvement to the above technical solution, a first magnetic block is connected to the tray. The first magnetic block generates a magnetic attraction between the support spring and the surrounding edge, which can strengthen the connection and positioning between the surrounding edge and the support spring.

[0011] As a further improvement to the above technical solution, the present invention also includes an upper positioning part, which is located above the lower positioning part. The bottom side of the upper positioning part is provided with a limiting straight groove and a spring ring limiting groove. The limiting straight groove is located on the side away from the center of the bottom frame relative to the spring ring limiting groove. Multiple lower positioning parts are arranged around the center of the bottom frame. Above the lower positioning part, an upper positioning part is also provided for connecting and positioning the top side of the surrounding edge and the top side of the support spring. Specifically, the upper positioning part can be placed directly on the support spring, and the top side of the surrounding edge can be clamped into the limiting straight groove. The spring ring at the top of the side of the support spring can be inserted into the spring ring limiting groove, thereby realizing the connection and positioning of the surrounding edge and the support spring. In this way, combined with the lower positioning part, the two surrounding edges can be connected and positioned on the upper and lower sides of the support spring respectively. Due to the simple overall structure, it is more convenient to use and more efficient.

[0012] As a further improvement to the above technical solution, the upper positioning part includes a pressure plate and a limiting plate. The limiting plate is connected to the bottom side of the pressure plate, and both the limiting straight groove and the spring ring limiting groove are provided on the limiting plate. The pressure plate is placed directly on the support spring, and the limiting straight groove and the spring ring limiting groove on the limiting plate respectively clamp the top edge and the spring ring at the top of the support spring, thereby stabilizing their positional relationship and maintaining their relatively fixed state.

[0013] As a further improvement to the above technical solution, the upper positioning part also includes a transition block and a second bolt. The pressure plate is provided with an upper waist-shaped hole, which extends along its length direction opposite to the side of the bottom frame. The second bolt passes downward through the upper waist-shaped hole and is connected to the transition block. The limiting plate is connected to the pressure plate. The limiting plate is fixed on the transition block, and its position can be adjusted to accommodate different specifications of bed nets. Specifically, by loosening the second bolt, the transition block can adjust its position along the limitation of the second bolt by the upper waist-shaped hole, so that the spring ring limiting groove on the limiting plate can be locked with the corresponding spring ring on the top side of the support spring. After adjustment, the second bolt is tightened again, so that the transition block is pressed tightly against the pressure plate.

[0014] As a further improvement to the above technical solution, two limiting plates are arranged at intervals along their length direction opposite to the side of the bottom frame. The spring coil limiting grooves in the two limiting plates are inclined towards the bottom frame in directions away from each other. Similarly, each upper positioning part has two spring coil limiting grooves for limiting the spring coil. The two spring coil limiting grooves are inclined and form a figure-eight shape, which clamps different positions of the same spring coil on the support spring, which helps to prevent the spring coil from shifting or twisting, and better achieves the clamping and positioning of the support spring.

[0015] As a further improvement to the above technical solution, a second magnetic block is connected to the pressure plate. The second magnetic block can generate a magnetic attraction between the support spring and the top edge, which can stably position the upper positioning part to reduce slippage when the upper positioning part is placed on the support spring, thereby improving the relative fixing effect between the top edge and the top side of the support spring. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly explained below. Obviously, the described drawings are only a part of the embodiments of the present invention, and not all of them. Those skilled in the art can obtain other design schemes and drawings based on these drawings without creative effort.

[0017] Figure 1 This is an overall perspective view of the present invention;

[0018] Figure 2 This is a perspective view of the lower positioning part of the present invention;

[0019] Figure 3 This is a perspective view of the upper positioning part of the present invention.

[0020] In the attached diagram: 110-bottom frame, 120-lower positioning part, 121-positioning straight groove, 122-spring ring positioning groove, 123-connecting plate, 124-spring column, 125-support plate, 126-positioning plate, 127-adjusting block, 128-first bolt, 129-first magnetic block, 130-upper positioning part, 131-limiting straight groove, 132-spring ring limiting groove, 133-pressure plate, 134-limiting plate, 135-transition block, 136-second bolt, 137-second magnetic block. Detailed Implementation

[0021] Embodiments of the present invention are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0022] In the description of this invention, it should be understood that the orientation descriptions, such as up, down, front, back, left, right, etc., are based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting this invention.

[0023] In the description of this invention, "several" means one or more, "more than" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. The use of "first" and "second" in the description is merely for distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the order of the indicated technical features.

[0024] In the description of this invention, unless otherwise explicitly defined, terms such as "set up," "install," and "connect" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this invention in conjunction with the specific content of the technical solution.

[0025] Reference Figure 1 The bed netting edge fastening fixture includes a bottom frame 110 and a lower positioning part 120. The bottom frame 110 includes multiple frame strips connected end to end, with each frame strip forming one side of the bottom frame 110. The bottom frame 110 plays a major supporting role for the bed netting to be assembled and the surrounding edge. To improve the stability of the bed netting, a support plate can be installed inside the bottom frame 110. The lower positioning part 120 is connected to one side of the bottom frame 110. The lower positioning part 120 is mainly used to fix the surrounding edge located on the bottom side and the bottom side of the support spring. The top side of the lower positioning part 120 is provided with a positioning straight groove 121 and a spring coil positioning groove 122. The positioning straight groove 121 extends along its length direction opposite to the side of the bottom frame 110. The positioning straight groove 121 is located on the side away from the center of the bottom frame 110 relative to the spring coil positioning groove 122. Multiple lower positioning parts 120 are arranged around the center of the bottom frame 110 on the outside of the bottom frame 110.

[0026] As described above, the edge to be fastened and the support spring are placed on the bottom frame 110, a part of the edge is snapped into the positioning groove 121 of the lower positioning part 120, and the spring ring at the bottom of the side of the support spring is snapped into the spring ring positioning groove 122. In this way, one lower positioning part 120 can position the support spring and a part of the edge to each other. By using multiple lower positioning parts 120 surrounding the bottom frame 110, the four sides of the support spring can be respectively aligned with the four sides of the edge and kept relatively fixed, thereby realizing the subsequent quick edge fastening assembly, improving the efficiency of bed net edge fastening, reducing the labor intensity of workers, and facilitating the realization of automated assembly.

[0027] The lower positioning part 120 is mainly used to fix the bottom edge of the position relative to the bottom edge of the support spring, such as... Figure 2As shown, in this embodiment, the lower positioning part 120 includes a connecting plate 123, a spring column 124, a support plate 125, and a positioning plate 126. The connecting plate 123 is connected to the bottom frame 110. The bottom end of the spring column 124 is connected to the connecting plate 123. The top end of the spring is connected to the support plate 125. The positioning plate 126 is disposed on the top side of the support plate 125. The positioning straight groove 121 and the spring ring positioning groove 122 are both disposed on the positioning plate 126. The connecting plate 123 is installed and fixed on the bottom frame 110. The support plate 125 can abut against the side of the perimeter and the support spring and support them. The spring ring positioning groove 122 for clamping the spring ring and the positioning straight groove 121 for clamping the perimeter are set on the positioning plate 126. The connecting plate 123 and the support plate 125 are connected to each other by the spring column 124. When the perimeter and the support spring press down on the support plate 125, the elastic support force provided by the spring rod on the support plate 125 can make the perimeter and the support spring clamp more tightly in the positioning straight groove 121 and the spring ring positioning groove 122, thereby improving the positioning effect of the perimeter and the support spring.

[0028] In practical applications, the connecting plate 123 is fixed to the base frame 110 in a detachable manner. For example, screws can be passed through the connecting plate 123 and connected to the base frame 110 to press the connecting plate 123 and fix it relative to the base frame 110. In order to more easily fix the lower positioning part 120 to any position of the base frame 110, an adjustment groove can be opened on the outer wall of the base frame 110. The adjustment groove extends along the length direction of the side of the base frame 110. A pull bracket is provided in the adjustment groove. The pull bracket can move along the length direction of the adjustment groove. After the bolt passes through the connecting plate 123 and extends into the adjustment groove to connect to the pull bracket, the connecting plate 123 is relatively fixed to the base frame 110. According to the usage requirements, the position of the pull bracket in the adjustment groove can be adjusted to adjust the installation and fixing position of the lower positioning part 120 on the base frame 110.

[0029] When it is necessary to adjust the position of the positioning groove 121 and the spring ring positioning groove 122, in addition to adjusting the position of the entire lower positioning part 120 on the bottom frame 110, the position of the positioning plate 126 itself can also be adjusted. Specifically, the lower positioning part 120 also includes an adjusting block 127 and a first bolt 128. The support plate 125 is provided with a lower waist-shaped hole, which extends along the length direction of the side of the bottom frame 110. The first bolt 128 passes upward through the lower waist-shaped hole and is connected to the adjusting block 127. The positioning plate 126 is connected to the support plate 125. The positioning plate 126 is fixed to the adjusting block 127, and the position of the positioning plate 126 can be adjusted to accommodate support springs of different specifications and sizes. Specifically, first loosen the first bolt 128, and the first bolt 128 can move back and forth in the length extension direction of the lower waist-shaped hole to adjust the position of the support plate 125 so that the spring ring limiting groove 132 on the positioning plate 126 can be engaged with the spring ring of the corresponding support spring. After the adjustment is completed, tighten the first bolt 128 again so that the adjusting block 127 is pressed against the support plate 125.

[0030] When there is only one positioning plate 126 in the lower positioning part 120, the positioning plate 126 can be set wider. At this time, there are more positions for the positioning straight groove 121 and the spring ring positioning groove 122 to clamp the spring ring. In order to improve the clamping effect of each lower positioning part 120 on the support spring and the surrounding edge, in this embodiment, two positioning plates 126 are arranged at intervals along the length direction of the side of the bottom frame 110. The spring ring positioning grooves 122 in the two positioning plates 126 are inclined towards the bottom frame 110 in a mutually distancing direction. In each lower positioning part 120, there are two positioning plates 126 to clamp and position the support spring and the surrounding edge. The limiting straight grooves 131 in the two positioning plates 126 clamp the surrounding edge, which can increase the coverage of the clamping and positioning of the surrounding edge. The spring ring positioning grooves 122 in the two positioning plates 126 form a figure-eight shape to clamp different positions of the same spring ring on the support spring, which helps to prevent the spring ring from shifting and twisting, and better achieves the clamping and positioning of the support spring.

[0031] The spring coil positioning groove 122 can extend obliquely in a straight line or in an arc shape to better adapt to the shape of the spirally extended spring coil and to clamp it.

[0032] In some embodiments, a first magnetic block 129 is connected to the tray 125. The first magnetic block 129 generates a magnetic attraction between the support spring and the surrounding edge, which can strengthen the connection and positioning between the surrounding edge and the support spring. The first magnetic field and the tray 125 are detachably connected. For example, the first magnetic block 129 can be locked to the tray 125 with screws. In practical applications, the first magnetic block 129 can be installed on one side of the two positioning plates 126 that are directly opposite each other.

[0033] After the lower positioning unit 120 fixes the bed net and the surrounding edge relative to each other, the bed net and the surrounding edge can be automatically clamped and fastened by the machine. In order to improve the accuracy of automatic machining, the lower positioning units 120 can be arranged at equal intervals on the bottom frame 110, and a counting plate can be installed on the connecting plate 123. The counting plate can facilitate the re-alignment and counting of the machine during movement, thereby improving the accuracy of the machine movement.

[0034] The above embodiments are all used to fix the bottom edge relative to the support spring. In order to fix the top edge relative to the support spring, the present invention also includes an upper positioning part 130. The upper positioning part 130 is located above the lower positioning part 120. The bottom side of the upper positioning part 130 is provided with a limiting straight groove 131 and a spring ring limiting groove 132. The limiting straight groove 131 is located on the side away from the center of the bottom frame 110 relative to the spring ring limiting groove 132. Multiple lower positioning parts 120 are arranged around the center of the bottom frame 110. Above the lower positioning part 120, an upper positioning part 130 is provided for connecting and positioning the top edge of the support spring to the top side. Specifically, the upper positioning part 130 can be placed directly on the support spring, and the top edge of the support spring can be clamped into the limiting groove 131. The spring ring at the top of the side of the support spring can be inserted into the spring ring limiting groove 132, thereby realizing the connection and positioning of the edge and the support spring. In combination with the lower positioning part 120, the two edges can be connected and positioned on the upper and lower sides of the support spring respectively. Due to the simple overall structure, it is more convenient to use and more efficient.

[0035] In this embodiment, as Figure 3 As shown, the upper positioning part 130 includes a pressure plate 133 and a limiting plate 134. The limiting plate 134 is connected to the bottom side of the pressure plate 133. The limiting straight groove 131 and the spring ring limiting groove 132 are both provided on the limiting plate 134. The pressure plate 133 is placed directly on the support spring. The limiting straight groove 131 and the spring ring limiting groove 132 on the limiting plate 134 respectively clamp the top edge and the spring ring at the top of the support spring, thereby stabilizing their positional relationship and maintaining their relatively fixed state.

[0036] Similarly, when there is only one limiting plate 134, if it is necessary to improve the clamping and limiting effect of the limiting straight groove 131 and the spring ring limiting groove 132 in the limiting plate 134 on the perimeter and the support spring, the width of the limiting plate 134 can be increased so that the length of the limiting straight groove 131 and the spring ring limiting groove 132 can be longer, thereby increasing the clamping and fitting length on the perimeter and the support spring. In order to save costs, in this embodiment, there are two limiting plates 134 arranged at intervals along the length direction of their opposite side of the bottom frame 110, and the spring ring limiting grooves 132 in the two limiting plates 134 are inclined towards the bottom frame 110 in a direction away from each other. Similarly, each upper positioning part 130 has two spring ring limiting grooves 132 for limiting the spring ring. The two spring ring limiting grooves 132 are inclined and form a figure-eight shape, which clamps different positions of the same spring ring on the support spring, which helps to prevent the spring ring from shifting or twisting, and better achieves clamping and positioning of the support spring.

[0037] Since the upper positioning part 130 can be placed directly on the support spring during use and does not need to be connected to the bottom frame 110, the positions of the limiting straight groove 131 and the spring ring limiting groove 132 within the upper positioning part 130, which are used to clamp and limit the edge and support spring respectively, can be adjusted directly by adjusting the placement position of the upper positioning part 130 during use. However, when there are multiple limiting plates 134, if different support springs and edge are replaced, the distance between the two limiting plates 134 needs to be adjusted accordingly. In order to allow the spring ring limiting groove 132 on the limiting plate 134 to be locked onto the spring ring on the top side of the support spring, in this embodiment, the upper positioning part 130 also includes a transition block 135 and a second bolt 136. The pressure plate 133 is provided with an upper waist-shaped hole, which extends along its length direction opposite to the side of the bottom frame 110. The second bolt 136 passes downward through the upper waist-shaped hole and is connected to the transition block 135. The limiting plate 134 is connected to the pressure plate 133. The limiting plate 134 is fixed on the transition block 135. The position of the limiting plate 134 can be adjusted to adapt to different specifications of bed nets. Specifically, by loosening the second bolt 136, the transition block 135 can adjust its position along the upper waist-shaped hole that limits the second bolt 136, so that the spring ring limiting groove 132 on the limiting plate 134 can be locked onto the corresponding spring ring on the top side of the support spring. After the adjustment is completed, the second bolt 136 is tightened again, so that the transition block 135 is pressed onto the pressure plate 133.

[0038] In practical applications, in order to reduce the manufacturing cost of the pressure plate 133, multiple hollow holes can be designed on the surface of the pressure plate 133.

[0039] Since the pressure plate 133 is placed directly on the support spring and there is no structural connection between it and the bottom frame 110, in order to improve the stability of the pressure plate 133, in this embodiment, a second magnetic block 137 is connected to the pressure plate 133. The second magnetic block 137 can generate a magnetic attraction between the support spring and the top edge, which can stably position the upper positioning part 130, thereby reducing the slippage of the upper positioning part 130 when placed on the support spring, and thus improving the relative fixing effect between the top edge and the top side of the support spring. There can be multiple second magnets, which are arranged at intervals on the bottom side of the pressure plate 133 to improve the magnetic attraction between the pressure plate 133 and the support spring. The second magnets can also be detached from the pressure plate 133 by screwing them through and connecting them to the pressure plate 133, thereby pressing and fixing the second magnets to the pressure plate 133. The second magnets can be removed during maintenance. A second magnet can also be added to the side of the two limiting plates 134 facing each other to further improve the overall magnetic attraction.

[0040] The preferred embodiments of the present invention have been described in detail above, but the present invention is not limited to the embodiments described. Those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and these equivalent modifications or substitutions are all included within the scope defined by the claims of this application.

Claims

1. A bed frame edge fastening fixture, characterized in that: include: Bottom frame (110); A lower positioning part (120) is connected to one side of the bottom frame (110). The top side of the lower positioning part (120) is provided with a positioning straight groove (121) and a spring ring positioning groove (122). The positioning straight groove (121) is located on the side away from the center of the bottom frame (110) relative to the spring ring positioning groove (122). Multiple lower positioning parts (120) are arranged around the center of the bottom frame (110) on the outside of the bottom frame (110). The lower positioning part (120) includes a connecting plate (123), a spring column (124), a support plate (125), and a positioning plate (126). The connecting plate (123) is connected to the bottom frame (110), and the bottom end of the spring column (124) is... The spring is connected to the connecting plate (123), the top end of the spring is connected to the support plate (125), the positioning plate (126) is disposed on the top side of the support plate (125), the positioning straight groove (121) and the spring ring positioning groove (122) are both disposed on the positioning plate (126), the lower positioning part (120) also includes an adjusting block (127) and a first bolt (128), the support plate (125) is provided with a lower waist-shaped hole, the lower waist-shaped hole extends along the length direction of the side of the bottom frame (110), the first bolt (128) passes upward through the lower waist-shaped hole and is connected to the adjusting block (127), and the positioning plate (126) is connected to the support plate (125); The upper positioning part (130) is located above the lower positioning part (120). The bottom side of the upper positioning part (130) is provided with a limiting straight groove (131) and a spring ring limiting groove (132). The limiting straight groove (131) is located on the side away from the center of the bottom frame (110) relative to the spring ring limiting groove (132). Multiple lower positioning parts (120) are arranged around the center of the bottom frame (110). The upper positioning part (130) includes a pressure plate (133) and a limiting plate (134). The limiting plate (134) is connected to the bottom side of the pressure plate (133). The limiting straight groove (131) and the spring ring limiting groove (132) are both provided on the limiting plate (134).

2. The bed mesh edge-fastening fixture according to claim 1, characterized in that: Two positioning plates (126) are arranged at intervals along the length of the side of the bottom frame (110), and the spring ring positioning grooves (122) in the two positioning plates (126) are inclined towards the bottom frame (110) in a direction away from each other.

3. The bed wire mesh edge-fastening fixture according to claim 1, characterized in that: A first magnetic block (129) is connected to the tray (125).

4. The bed wire mesh edge-fastening fixture according to claim 1, characterized in that: The upper positioning part (130) also includes a transition block (135) and a second bolt (136). The pressure plate (133) is provided with an upper waist-shaped hole, which extends along its length direction opposite to the side of the bottom frame (110). The second bolt (136) passes downward through the upper waist-shaped hole and is connected to the transition block (135). The limiting plate (134) is connected to the pressure plate (133).

5. The bed wire mesh edge-fastening fixture according to claim 1, characterized in that: Two limiting plates (134) are arranged at intervals along the length direction of their opposite side to the bottom frame (110), and the spring ring limiting grooves (132) in the two limiting plates (134) are inclined towards the bottom frame (110) in a direction away from each other.

6. The bed wire mesh edge-fastening fixture according to claim 1, characterized in that: A second magnetic block (137) is connected to the pressure plate (133).