Bed net frame bending device

Abstract

The utility model discloses a bed net frame bending device. The bed net frame bending device comprises a plurality of bending assemblies and a shaft piece driving part, wherein the bending assemblies are consistent with bending points on a formed bed net frame in position; the bending assembly comprises a vertically-arranged fixing shaft and a bending shaft, the bottom of the fixing shaft and the bottom of the bending shaft are fixedly connected through a connecting frame, a steel wire containing groove allowing a steel wire to be horizontally placed in is reserved between the fixing shaft and the bending shaft, and the driving end of the shaft piece driving part and the fixing shaft are coaxially arranged and can drive the fixing shaft to rotate around the axis of the shaft piece driving part. And therefore, the steel wire positioned between the fixed shaft and the bending shaft can be bent under the rotation pushing of the bending shaft. The steel wire bending device is simple and convenient to operate, and can improve the steel wire bending efficiency while ensuring the bending precision.

Description

Technical Field

[0001] The utility model relates to the technical field of bed net frame processing, in particular to a bed net frame bending device. Background Art

[0002] At present, for the production of the wire frame of a mattress, first, the wire needs to be straightened and then cut according to production requirements. Workers bend the cut wire into a square shape according to product requirements, and finally place the connection point of the wire on a welding machine for welding to finally form the required bed net frame.

[0003] In order to improve the efficiency of bending the bed net frame, therefore, a bed net frame bending device is provided. Content of the Utility Model

[0004] To overcome the above disadvantages, the purpose of the utility model is to provide a bed net frame bending device, which is easy to operate, can ensure the bending accuracy and improve the bending efficiency of the wire at the same time.

[0005] To achieve the above purpose, the technical solution adopted by the utility model is: a bed net frame bending device, including a plurality of bending components consistent with the bending point positions on the formed bed net frame and a shaft driving part; the bending component includes a vertically arranged fixed shaft and a bending shaft, the bottom of the fixed shaft and the bending shaft are fixedly connected by a connecting frame, and a wire placement groove for horizontally placing the wire is left between the two, the driving end of the shaft driving part is coaxially arranged with the fixed shaft and can drive the fixed shaft to rotate along its axis, so that the wire between the fixed shaft and the bending shaft can be bent under the rotational push of the bending shaft.

[0006] Further, four groups of bending components are provided, and two bending components are driven by one shaft driving part. The setting of the shaft driving part is reduced, thereby reducing the production cost of the enterprise.

[0007] Further, the shaft driving part includes a vertically arranged shaft driving motor and a speed reducer at its driving end, a hexagonal shaft is horizontally penetrated through the speed reducer, both ends of the hexagonal shaft are respectively connected with a gear transmission box, the gear transmission box is fixedly connected with the bottom of the fixed shaft through a rotator, two meshing driving gears and driven gears are arranged in the gear transmission box, the hexagonal shaft is connected with the driving gear through a bearing, when it rotates, it can drive the driving gear to rotate, so that the driven gear also rotates accordingly, and the driven gear is connected with the bottom of the fixed shaft through a steering gear, thereby being able to drive the fixed shaft to rotate and realizing the automatic bending of the wire.

[0008] The two hexagonal shafts are parallel to each other.

[0009] Further, on one side opposite to two bending components located on the same hexagonal axis, a guiding and feeding component is provided. The guiding and feeding component includes a vertically arranged first guiding plate and a second guiding plate. A defined space for placing the steel wire is left between the first guiding plate and the second guiding plate, and the tops of both are inclined in directions away from each other. The distance between the first guiding plate and the second guiding plate is in a funnel shape, with a larger guiding space formed at the top by the inclination to provide guidance for the initial placement of the steel wire. The bottoms of the first guiding plate and the second guiding plate are parallel to each other to limit the steel wire while allowing it to be placed, so that the connection points of the initial section, the tail section and the middle section of the steel wire are exactly located in the steel wire placement groove between the fixed axis and the bending axis after the steel wire is placed.

[0010] Further, a horizontal distance adjusting component for adjusting the distance between the two bending components is also included. The horizontal distance adjusting component includes two distance adjusting brackets and a horizontally arranged two-way distance adjusting module capable of driving them to move relatively or towards each other. The two bending components are respectively arranged on the two distance adjusting brackets. By providing this horizontal distance adjusting component, the length of the middle section of the steel wire can be corrected to make its size meet the production and processing requirements of the bed net frame, and further ensure the processing efficiency of the bed net frame.

[0011] Further, support optical axis brackets are also included and are arranged on both sides in the width direction of the shaft driving part. One end of the support optical axis bracket close to the steel wire feeding is inclined in a direction away from the shaft driving part, and the other end is close to the bending component on the side away from the steel wire feeding. By providing this support optical axis bracket, during the process that the initial section and the tail section of the steel wire are bent from the bending component on the side close to the steel wire feeding to the bending component on the side away from the steel wire feeding, the side away from the middle section can always rest on the support optical axis bracket, ensuring that the steel wire is always in a horizontal state and avoiding affecting subsequent continuous bending.

[0012] Further, on the opposite sides of the two bending components on the side away from the steel wire feeding, an inclined guiding plate and a guiding frame are respectively provided. The inclined guiding plate is fixedly connected to the bending component through a guiding plate mounting seat. The inclined guiding plate is vertically arranged, and its top is inclined in a direction close to the bending component. The setting of the inclined guiding plate can provide guidance for the end away from the middle section of the steel wire to enter the two bending components on the side away from the steel wire feeding end for secondary bending after the steel wire is bent by the bending component on the side close to its feeding end, ensuring that it can accurately enter the bending component for secondary bending, and thus improving the efficiency of secondary bending.

[0013] Further, it further includes a limiting frame. The guiding frame includes a supporting surface located below the bent steel wire and a limiting surface perpendicular to the supporting surface. The limiting frame is vertically arranged, and one side of it abuts against the side of the supporting surface away from the limiting surface. The limiting frame, the supporting surface, and the limiting surface form a limiting space for the horizontal placement of the steel wire and limit its movement in the front-back direction. By setting the guiding frame and the limiting frame, it is possible to prevent the end of the steel wire from rebounding towards the direction away from the bending assembly for the second bending after the first bending, ensuring the stability of the subsequent second bending of the steel wire.

[0014] Further, it further includes a rectifying assembly. The rectifying assembly includes a rectifying support plate erected on the shaft driving part. A rectifying driving part is horizontally arranged on the rectifying support plate towards the direction of the shaft driving part. The driving end of the rectifying driving part is connected with a rectifying support. When the second bending is to be carried out, the driving end of the rectifying driving part is in the extended state, driving the rectifying support to move away from the rectifying driving part. After the second bending, the free ends of both ends of the steel wire are located between the rectifying support and the rectifying driving part. Subsequently, the driving end of the rectifying driving part retracts. At this time, the rectifying support can push the steel wire from the rear side of the steel wire towards the direction close to the rectifying driving part to move back to the correct position, so that the two free ends of the steel wire are exactly butted, facilitating the subsequent butt joint and pipe pressing operation.

[0015] Further, the rectifying support is arranged in an L shape and includes a butting surface vertically arranged towards the rectifying driving part. When the driving end of the rectifying driving part retracts, the butting surface can push the steel wire after the second bending to automatically return to the correct position.

[0016] The beneficial effects of the present utility model:

[0017] In the present utility model, multiple bending assemblies cooperate with the shaft driving part. The driving end of the shaft driving part can drive the fixed shaft to rotate. The bottom of the fixed shaft and the bending shaft are fixedly connected through a connecting frame. Therefore, when the fixed shaft rotates, the bending shaft also rotates synchronously with the fixed shaft. Furthermore, the bending shaft rotates with the center of the fixed shaft as the center and the distance between the two central axes as the radius, and the rotation angle realizes the automatic bending of the steel wire. The operation is simple, and while ensuring the bending accuracy, the bending efficiency of the steel wire can be improved. Description of the Drawings

[0018] Figure 1 It is an isometric view of the overall structure of an embodiment of the present utility model;

[0019] Figure 2 is Figure 1 the enlarged structural schematic diagram of A in

[0020] Figure 3 It is an isometric view of the overall structure of the shaft driving part and the horizontal distance adjusting assembly of an embodiment of the present utility model;

[0021] Figure 4 An isometric view of the overall structure from another perspective of an embodiment of the present utility model;

[0022] Figure 5 An isometric view of the overall structure of the alignment component of an embodiment of the present utility model;

[0023] In the figure: 1. Support optical axis frame; 2. Bending component; 21. Fixed shaft; 22. Bending shaft; 23. Connecting frame; 3. Shaft driving part; 31. Shaft driving motor; 32. Reducer; 33. Hexagonal shaft; 34. Gear transmission box; 35. Steering gear; 4. Guiding and feeding component; 41. First guiding plate; 42. Second guiding plate; 5. Horizontal distance adjustment component; 51. Bidirectional distance adjustment module; 52. Distance adjustment bracket; 6. Inclined guiding plate; 7. Guiding plate mounting seat; 8. Guiding frame; 81. Support surface; 82. Limiting surface; 9. Limiting frame; 10. Alignment component; 101. Alignment support plate; 102. Alignment cylinder; 103. Alignment bracket; 104. Contact surface. Detailed implementation manners

[0024] The following elaborates on the preferred embodiments of the present utility model in conjunction with the accompanying drawings, so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present utility model.

[0025] Refer to the attached Figures 1 to 5 As shown, a bed net frame bending device in this embodiment includes a plurality of bending components 2 and a shaft driving part 3 that are consistent with the bending point positions on the formed bed net frame; the bending component 2 includes a vertically arranged fixed shaft 21 and a bending shaft 22, the bottom of the fixed shaft 21 and the bending shaft 22 are fixedly connected through a connecting frame 23, and a wire placement groove for horizontally placing a wire is left between the two, the driving end of the shaft driving part 3 is coaxially arranged with the fixed shaft 21, and can drive the fixed shaft 21 to rotate along its axis, so that the wire located between the fixed shaft 21 and the bending shaft 22 can be bent under the rotational push of the bending shaft 22.

[0026] The bed net frame is square and has four bending points. When not bent, the wire can be divided into three continuous segments, namely an initial segment, an intermediate segment, and a tail segment. Among them, the intermediate segment is located between two bending components 2, and the initial segment and the intermediate segment can be bent into the shape of the bed net frame under the action of the four bending components 2.

[0027] The driving end of the shaft driving part 3 can drive the fixed shaft 21 to rotate. Since the bottom of the fixed shaft 21 and the bending shaft 22 are fixedly connected through the connecting frame 23, when the fixed shaft 21 rotates, the bending shaft 22 also rotates synchronously with the fixed shaft 21 accordingly. Specifically, the bending shaft 22 rotates 90 degrees with the center of the fixed shaft 21 as the center and the distance between the two central axes as the radius, so that the initial section and the tail section of the steel wire are bent at a 90-degree angle with respect to the middle section respectively. The steel wire can be bent in sequence under the action of multiple bending assemblies 2 to form the bed net frame.

[0028] In some embodiments, the fixed shaft 21 vertically penetrates through the connecting frame 23, and the bottom of the bending shaft 22 is fixedly connected to the upper surface of the connecting frame 23.

[0029] See attached Figures 1 to 3 , there are four groups of the bending assemblies 2, and two bending assemblies 2 are driven by one shaft driving part 3. By reducing the number of shaft driving parts 3, the production cost of the enterprise can be reduced accordingly.

[0030] Specifically, the two bending assemblies 2 near the steel wire feeding end side bend the steel wire for the first time, bending the initial section and the tail section to form a 90-degree angle with the middle section. The two bending assemblies 2 far from the steel wire feeding end side then bend the steel wire for the second time, so that the free ends of the initial section and the tail section are butted together after the second bending to form a complete bed net frame.

[0031] The shaft driving part 3 includes a vertically arranged shaft driving motor 31 and a speed reducer 32 at its driving end. A hexagonal shaft 33 horizontally penetrates through the speed reducer 32. Both ends of the hexagonal shaft 33 are respectively connected to a gear transmission box 34. The gear transmission box 34 is fixedly connected to the bottom of the fixed shaft 21 through a rotator. Two meshing driving gears and driven gears are arranged in the gear transmission box 34. The hexagonal shaft 33 is connected to the driving gear through a bearing. When it rotates, it can drive the driving gear to rotate, so that the driven gear also rotates accordingly. The driven gear is connected to the bottom of the fixed shaft 21 through a steering gear 35, and thus can drive the fixed shaft 21 to rotate, realizing the automatic bending of the steel wire.

[0032] It should be noted that the rotator is a prior art, and its specific structure will not be elaborated here.

[0033] The two hexagonal shafts 33 are parallel to each other.

[0034] When the bending assembly 2 is in the initial state, the straight line in the length direction of the connecting frame 23 is perpendicular to the length direction of the steel wire, ensuring that the steel wire can just fall into the steel wire placement groove between the fixed shaft 21 and the bending shaft 22 during feeding; during bending, the hexagonal shaft 33 rotates, and then drives the fixed shaft 21 to rotate. At this time, the bending shaft 22 rotates synchronously by 90 degrees to push and bend the steel wire so that its initial section and tail section are respectively perpendicular to the middle section at 90 degrees. Among them, since the fixed shaft 21 is a vertical cylindrical shape, the bending connection parts of the initial section, tail section and middle section on the steel wire are rounded corners.

[0035] It should be noted that the shaft drive motor 31 can also be replaced by a dividing plate, as long as it can drive the hexagonal shaft 33 penetrating on the reducer 32 to rotate, and it is not limited to only the shaft drive motor 31.

[0036] On one side of the two bending assemblies 2 opposite to each other on the same hexagonal shaft 33, a guiding and feeding assembly 4 is provided. The guiding and feeding assembly 4 includes a vertically arranged guiding plate one 41 and a guiding plate two 42. A limiting space for the steel wire to be placed is left between the guiding plate one 41 and the guiding plate two 42, and the tops of both are inclined in the direction away from each other. The distance between the guiding plate one 41 and the guiding plate two 42 is in a funnel shape, and the inclined top forms a larger guiding space to provide guidance for the initial placement of the steel wire. The bottoms of the guiding plate one 41 and the guiding plate two 42 are parallel to each other to limit the steel wire while allowing it to be placed, so that the connection points of the initial section, tail section and middle section of the steel wire are exactly located in the steel wire placement groove between the fixed shaft 21 and the bending shaft 22 after being placed.

[0037] In order to ensure that the steel wire can be placed in the above-mentioned limiting space, the limiting space left between the guiding plate one 41 and the guiding plate two 42 is arranged along the length direction of the steel wire to avoid interference with the placement of the steel wire.

[0038] It also includes a horizontal distance adjustment assembly 5 for adjusting the distance between the two bending assemblies 2. The horizontal distance adjustment assembly 5 includes two distance adjustment brackets 52 and a horizontally arranged two-way distance adjustment module 51 that can drive them to move relatively or towards each other. The two bending assemblies 2 are respectively arranged on the two distance adjustment brackets 52. By setting this horizontal distance adjustment assembly 5, the length of the middle section of the steel wire can be corrected to make its size meet the production and processing requirements of the bed net frame, and further ensure the processing efficiency of the bed net frame.

[0039] Specifically, during adjustment, the two-way distance adjustment module 51 can drive the two bending assemblies 2 to move towards or away from each other to adjust the length of the middle section of the steel wire. It should be noted that it is not limited to only the two-way distance adjustment module 51, and it can also be a combination of a drive motor and a two-way lead screw, which can also achieve the relative or opposite movement of the two distance adjustment brackets 52.

[0040] See attached Figure 1, further comprising support optical axis brackets 1 arranged on both sides in the width direction of the shaft part driving portion 3, one end of the support optical axis bracket 1 close to the wire feeding is inclined away from the shaft part driving portion 3, and the other end is close to the bending assembly 2 on the side away from the wire feeding. By arranging the support optical axis bracket 1, during the process that the initial section and the tail section of the wire are bent from the bending assembly 2 on the side close to the wire feeding to the bending assembly 2 on the side away from the wire feeding, the side away from the middle section can always rest on the support optical axis bracket 1, ensuring that the wire is always in a horizontal state and avoiding affecting subsequent continuous bending.

[0041] On the opposite sides of the two bending assemblies 2 on the side away from the wire feeding, an inclined guide plate 6 and a guide frame 8 are respectively arranged. The inclined guide plate 6 is fixedly connected to the bending assembly 2 through a guide plate mounting seat 7. The inclined guide plate 6 is vertically arranged, and its top is inclined towards the direction close to the bending assembly 2. The setting of the inclined guide plate 6 can provide guidance for the end away from the middle section of the wire to enter the two bending assemblies 2 on the side away from the wire feeding end for secondary bending after the wire is bent by the bending assembly 2 on the side close to its feeding end, ensuring that it can accurately enter the bending assembly 2 for secondary bending, thereby improving the efficiency of secondary bending.

[0042] It further comprises a limit frame 9. The guide frame 8 includes a support surface 81 located below the bent wire and a limit surface 82 perpendicular to the support surface 81. The limit frame 9 is vertically arranged, and one side of it abuts against the side of the support surface 81 away from the limit surface 82. The limit frame 9, the support surface 81 and the limit surface 82 form a limiting space for the wire to be horizontally placed and limit its movement in the front-back direction. By arranging the guide frame 8 and the limit frame 9, it is avoided that the end of the wire rebounds towards the direction away from the bending assembly 2 for the second bending after the first bending, ensuring the stability of the subsequent second bending of the wire.

[0043] It should be noted that the front-back direction here refers to the direction parallel to the hexagonal shaft 33.

[0044] It further comprises a rectifying assembly 10. The rectifying assembly 10 includes a rectifying support plate 101 erected on the shaft part driving portion 3. A rectifying driving member is horizontally arranged on the rectifying support plate 101 towards the direction of the shaft part driving portion 3, and the driving end of the rectifying driving member is connected with a rectifying bracket 103. When secondary bending is to be carried out, the driving end of the rectifying driving member is in an extended state, driving the rectifying bracket 103 to move away from the rectifying driving member, so that after the second bending, the free ends of both ends of the wire are located between the rectifying bracket 103 and the rectifying driving member. Subsequently, the driving end of the rectifying driving member retracts. At this time, the rectifying bracket 103 can push the wire from the rear side of the wire towards the direction close to the rectifying driving member to move back and rectify, so that the two free ends of the wire are exactly butted, facilitating the subsequent butt joint pipe pressing operation.

[0045] Specifically, the straightening driving member is a straightening cylinder 102, and the telescopic movement of the piston rod of the straightening cylinder 102 can drive the straightening bracket 103 to drive the free ends of the initial section and the tail section after the second bending to move in a direction away from or close to the straightening driving member.

[0046] The straightening bracket 103 is arranged in an L shape, and the straightening bracket 103 includes an abutting surface 104 that is vertically arranged towards the straightening driving member. When the driving end of the straightening driving member retracts, the abutting surface 104 can push the steel wire after the second bending to automatically return to its original position.

[0047] The above embodiments are only used to illustrate the technical concept and characteristics of the present invention, and the purpose is to enable those who are familiar with this technology to understand the content of the present invention and implement it. However, it cannot be used to limit the protection scope of the present invention. Any equivalent changes or modifications made according to the spirit and essence of the present invention should be covered within the protection scope of the present invention.

Claims

1. A bed net frame bending device, characterized in that: It includes multiple bending components and an axis driving part that are consistent with the bending point positions on the formed bed net frame; the bending component includes a vertically arranged fixed axis and a bending axis, the fixed axis and the bottom of the bending axis are fixedly connected by a connecting frame, and a wire placement groove is left between the two for the steel wire to be placed horizontally, the driving end of the axis driving part is coaxially arranged with the fixed axis, and can drive the fixed axis to rotate along its axis, so that the steel wire located between the fixed axis and the bending axis can be bent under the rotation of the bending axis.

2. A bed net frame bending device according to claim 1, characterized in that: The bending components are arranged in four groups, and each pair of the bending components is driven by a shaft driving part.

3. A bed net frame bending device according to claim 2, characterized in that: The shaft driving part includes a vertically arranged shaft driving motor and a reducer at its driving end. A hexagonal shaft is horizontally penetrated through the reducer. Both ends of the hexagonal shaft are respectively connected to a gear transmission box. The gear transmission box is fixedly connected to the bottom of the fixed shaft through a rotator. The two hexagonal shafts are parallel to each other.

4. A bed net frame bending device according to claim 3, characterized in that: A guide feeding assembly is arranged on the opposite side of the two bending assemblies located on the same hexagonal axis. The guide feeding assembly includes a vertically arranged guide plate 1 and a guide plate 2. A limited space for the steel wire to be placed is reserved between the guide plate 1 and the guide plate 2, and the tops of the two are inclined in directions away from each other.

5. The bed net frame bending device according to claim 2, characterized in that: It also includes a horizontal distance adjustment component for adjusting the distance between the two bending components. The horizontal distance adjustment component includes two distance adjustment brackets and a transversely arranged bidirectional distance adjustment module that can drive the two bending components to move relative to or toward each other. The two bending components are respectively arranged on the two distance adjustment brackets.

6. The bed net frame bending device according to claim 2, characterized in that: It also includes supporting optical axis frames arranged on both sides of the shaft driving part in the width direction. The supporting optical axis frame is inclined toward the direction away from the shaft driving part at one end close to the wire feeding, and the other end is close to the bending component away from the side of the wire feeding.

7. A bed net frame bending device according to claim 6, characterized in that: An inclined guide plate and a guide frame are respectively provided on the opposite sides of the two bending components away from the wire feeding side. The inclined guide plate is fixedly connected to the bending component through a guide plate mounting seat. The inclined guide plate is vertically arranged, and its top is inclined toward the direction close to the bending component.

8. The bed net frame bending device according to claim 7, characterized in that: It also includes a limit frame, the guide frame includes a support surface located below the bent steel wire and a limit surface perpendicular to the support surface, the limit frame is vertically arranged, and one side of the limit frame is abutted against the side of the support surface away from the limit surface, and the limit frame, the support surface and the limit surface constitute a limited space for horizontal placement of the steel wire and for limiting its movement in the front and rear directions.

9. The bed net frame bending device according to claim 2, characterized in that: It also includes a return assembly, which includes a return support plate mounted on the shaft driving part, a return drive member is horizontally arranged on the return support plate toward the shaft driving part, and a return bracket is connected to the driving end of the return drive member.

10. The bed net frame bending device according to claim 9, characterized in that: The return bracket is arranged in an L shape, and the return bracket includes an abutment surface vertically arranged toward the return driving member.

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