A unwinding device for rivet nut production

Abstract

This application discloses a reeling device for rivet nut production, comprising: a turntable mounted on a base; a plurality of vertical rods arranged around the turntable; a vertical cylinder slidably mounted on the vertical rods; and a drive assembly mounted on the turntable for driving the vertical cylinder to move up and down along the vertical rods. When in use, this device facilitates loading of a full roll of steel wire, saving time and effort and minimizing unnecessary risk.

Description

Technical Field

[0001] The present invention relates to the field of rivet nut production equipment, in particular to an unwinding device for rivet nut production. Background Art

[0002] With the development of industry, fasteners are used in many fields to assemble equipment or products. Common fasteners include rivet nuts, screws and nuts. The widespread use of fasteners effectively improves the firmness of product assembly.

[0003] At present, when producing rivet nuts, it is generally necessary to put a whole roll of steel wire with a diameter that meets the requirements on the unwinding device, and first transport it to the predetermined position through the conveying device and the traction device. During the steel wire transportation process, the rolled steel wire needs to be straightened by the correction equipment, and then the straightened steel wire is cut into sections by the cutting equipment, and then further processed according to the production process of the rivet nuts.

[0004] In response to the current situation, the inventors found that the structure of the traditional unwinding device is relatively simple, mainly including a rotatable turntable installed on the base, with multiple vertical rods installed vertically on the turntable. Since the vertical rods are generally about one meter high, when the staff loads the material, it usually takes two or three people to lift the entire roll of steel wire to a position above the top of the vertical rod, and then slide it along the vertical rod to the turntable for placement. The whole process is not only time-consuming and labor-intensive, but also poses certain safety hazards, which needs further improvement. Summary of the Invention

[0005] The purpose of this application is to provide a reeling device for rivet nut production, which can facilitate workers to load a whole roll of steel wire. The whole process is relatively time-saving and labor-saving, and can also reduce unnecessary risks.

[0006] The present application provides an unwinding device for rivet nut production, which adopts the following technical solution:

[0007] A reeling device for producing rivet nuts comprises: a turntable mounted on a base; a plurality of vertical rods arranged around the turntable; a vertical cylinder slidably sleeved on the vertical rods in a vertical direction; and a drive assembly arranged on the turntable for driving the vertical cylinder to move up and down along the vertical rods.

[0008] By adopting the above technical solution, during the loading process, the set driving assembly can drive the vertical cylinder to slide along the vertical rod to lower the height of the vertical cylinder, thereby facilitating the staff to move the entire roll of steel wire to the turntable. After the entire roll of steel wire is placed, the driving assembly can be used to drive the vertical cylinder to reset. The whole process saves time and effort, can effectively improve work efficiency, and reduce unnecessary safety hazards.

[0009] The present application further provides: the driving assembly includes: a mounting bracket installed in the middle position of the turntable bearing surface; a winding wheel mounted on the mounting bracket for vertical rotation; a pull rope with one end connected to the winding wheel and the other end connected to the bottom of the vertical cylinder; a driving member installed on the mounting bracket for driving the winding wheel to rotate; and an elastic member installed between the vertical cylinder and the vertical rod for driving the vertical cylinder to slide in a direction away from the vertical rod.

[0010] By adopting the above technical solution, the winding wheel set can drive the vertical cylinder to move downward on the vertical rod through the pull rope under the drive of the driving member, so as to realize the control of all vertical cylinders. When the driving member drives the winding wheel to rotate in the opposite direction, the vertical cylinder will be reset under the drive of the elastic member. The whole process is simple to operate and the effect is obvious.

[0011] The present application is further configured as follows: a vertical plate is installed at a position between the turntable and the mounting frame and the vertical rod, a sliding rod with a fixed pulley installed on the top is installed on the vertical plate for sliding in the vertical direction, symmetrical mounting blocks are installed on one side of the sliding rod and the vertical plate, an adjusting rod is installed with vertical threads between the mounting blocks, and the pull rope is passed around the bottom outer side of the fixed pulley.

[0012] By adopting the above technical solution, the fixed pulley can guide the force direction of the pull rope, so that the vertical cylinder can be raised and lowered more smoothly, and the adjustment rod can adjust the height of the sliding rod when needed to adjust the force size of the vertical cylinder, thereby increasing the scope of application of this application.

[0013] The present application further provides that: a threaded rod threaded through the turntable is installed at the bottom of the vertical plate, and a nut is also threadedly connected to the outer end of the threaded rod.

[0014] By adopting the above technical solution, the threaded rod and nut cooperate with each other, which can not only fix the vertical plate in a predetermined position, but also drive the vertical plate to rotate, so that the fixed pulley on the vertical plate is better adapted to the pull rope, increasing the smoothness of the pull rope sliding on the fixed pulley.

[0015] The present application further provides: a slide groove is provided on the bearing surface of the turntable, the extension direction of the slide groove is consistent with the direction of the line connecting the center of the turntable to the vertical rod, a slider slidably connected to the slide groove is installed at the bottom of the vertical rod, and a compression spring is installed between the slider and the inner wall of the end of the slide groove for driving the slider to slide in a direction away from the center of the turntable.

[0016] By adopting the above technical solution, a slider adapted to the slide groove is set at the bottom of the vertical rod. When the winding wheel drives the vertical cylinder to slide downward on the vertical rod through the pull rope, the decomposition force of the pull rope can also drive multiple vertical rods to approach each other. This structural design has obvious effects and can make it more convenient for the staff to place the whole roll of steel wire on the turntable. After the steel wire is placed, the compression spring and the elastic part cooperate with each other to drive the vertical rod and the vertical cylinder to reset.

[0017] The present application further provides: a limit block is rotatably installed on the outer side of the top of the vertical cylinder, and a transmission assembly is provided on the vertical cylinder for driving the limit block to rotate. When the vertical cylinder descends, the limit block rotates toward the direction close to the vertical rod, and when the vertical cylinder rises, the limit block rotates toward the direction away from the vertical rod.

[0018] By adopting the above technical solution, the limit block set can limit the steel wire placed on the turntable, reducing the risk of the steel wire slipping out along the vertical cylinder during the unwinding process and injuring surrounding workers. This structure utilizes the transmission assembly to leverage the force of the driving part, achieving multiple goals at one stroke.

[0019] The present application further provides: the transmission assembly includes: a mounting rod vertically installed on the top of the vertical rod; a transmission rope with one end connected to the mounting rod and the other end connected to the limit block; and a torsion spring installed between the limit block and the vertical cylinder for driving the limit block to return to a horizontal state, and a through hole is opened on the outer wall of one end of the vertical cylinder close to the turntable for the transmission rope to pass through.

[0020] By adopting the above technical solution, when the vertical cylinder slides downward, the limit block can be driven to rotate toward the direction of the vertical cylinder through the transmission rope. The folded limit block can facilitate loading and at the same time, it can also play a certain buffering role on the steel wire. When the vertical cylinder slides upward, the limit block will automatically reset to achieve restriction on the steel wire. This structural design is ingenious and the effect is obvious.

[0021] The present application further provides: a connecting rod is installed on the top of the vertical cylinder toward the inside of the turntable, and an annular block is fixed to one end of the connecting rod away from the vertical cylinder.

[0022] By adopting the above technical solution, the connecting rod provided can connect multiple vertical cylinders together, reducing the shaking of the vertical cylinders and enhancing the strength of the entire unwinding device.

[0023] In summary, this application includes at least one of the following beneficial technical effects:

[0024] By setting a vertical cylinder that can slide up and down, driven by a driving assembly, it can effectively facilitate the staff to load materials and reduce unnecessary troubles. The vertical rods are set to be able to slide so that the vertical rods can move closer to or farther away from each other, further facilitating loading and achieving the effect of saving time and effort.

[0025] By setting a limit block on the top of the vertical cylinder, when the driving assembly drives the vertical cylinder and the vertical rod to move, it can also drive the limit block to rotate together. The three work together to further facilitate the staff to load the materials, and at the same time can limit the steel wire after loading, killing two birds with one stone. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present application;

[0027] Figure 2 It is a schematic diagram of the local structure in the embodiment of the present application.

[0028] Explanation of the accompanying reference numerals: 1. turntable; 10. base; 11. slider; 12. compression spring; 13. slide groove; 2. vertical rod; 20. mounting rod; 21. transmission rope; 3. vertical cylinder; 30. through hole; 31. limit block; 32. connecting rod; 33. annular block; 4. mounting frame; 41. winding wheel; 42. pull rope; 5. vertical plate; 51. sliding rod; 510. pulley; 52. mounting block; 53. adjusting rod. DETAILED DESCRIPTION

[0029] The present application is further described in detail below with reference to the accompanying drawings.

[0030] The embodiment of the present application discloses a reeling device for producing rivet nuts, such as Figure 1 and Figure 2 As shown, it includes: a base 10, a turntable 1 is installed on the base 10, the turntable 1 and the base 10 are parallel to each other, and a plurality of vertical rods 2 are vertically installed around the bearing surface of the turntable 1. The number of vertical rods 2 in this embodiment is four, and vertical cylinders 3 are slidably sleeved on the vertical rods 2. At the same time, a driving assembly is also provided on the turntable 1, and the driving assembly is used to drive the vertical cylinders 3 to slide along the extension direction of the vertical rods 2.

[0031] When the whole roll of steel wire needs to be lifted onto the turntable 1, it is only necessary to turn on the drive assembly to drive the vertical cylinder 3 to descend to the predetermined position along the vertical rod 2, so that the staff can conveniently lift the whole roll of steel wire onto the turntable 1. After the steel wire is placed, the drive assembly is started to drive the vertical cylinder 3 to reset.

[0032] In this embodiment, the driving assembly includes: a mounting frame 4 installed in the middle position of the bearing surface of the turntable 1, a winding wheel 41 is vertically installed on the mounting frame 4, four pull ropes 42 are connected to the winding wheel 41, and the ends of the pull ropes 42 away from the winding wheel 41 are fixed to the bottom outer side of the corresponding vertical cylinder 3. A driving member is installed on the mounting frame 4, and the driving member is used to drive the winding wheel 41 to rotate. At the same time, an elastic member is also installed between the vertical cylinder 3 and the vertical rod 2, and the elastic member is used to drive the vertical cylinder 3 to slide in a direction away from the vertical rod 2.

[0033] In order to drive the vertical cylinder 3 to slide on the vertical rod 2 more smoothly, in this embodiment, a vertical plate 5 is vertically installed at the position of the turntable 1 between the mounting frame 4 and the vertical rod 2, a sliding rod 51 is vertically installed on the vertical plate 5 for sliding, and a fixed pulley 510 is installed on the top of the sliding rod 51. At the same time, a mounting block 52 is installed on one side of the sliding rod 51, and a mounting block 52 is also installed on the vertical plate 5. The two mounting blocks 52 are symmetrical in the upper and lower directions, and an adjusting rod 53 is vertically threadedly installed between the two mounting blocks 52. It should be noted that the pull rope 42 passes around the bottom outer side of the fixed pulley 510.

[0034] The advantage of such a configuration is that the fixed pulley 510 can change the force direction of the vertical cylinder 3, so that the vertical cylinder 3 can be raised and lowered more smoothly. At the same time, the height of the fixed pulley 510 can be adjusted by rotating the adjustment rod 53, thereby adapting to different needs of the vertical cylinder 3 and increasing the scope of application of the present application.

[0035] Among them, a threaded rod (not shown in the figure) is threadedly installed at the bottom of the vertical plate 5, and the vertical thread of the threaded rod passes through the turntable 1. A nut (not shown in the figure) is also threadedly connected to the outer end of the threaded rod. The nut and the threaded rod cooperate with each other to facilitate the disassembly and assembly of the vertical plate 5. At the same time, the angle of the fixed pulley 510 on the vertical plate 5 can be adjusted by rotating the threaded rod, so that the fixed pulley 510 can better adapt to the pull rope 42 to reduce the friction between the pull rope 42 and the fixed pulley 510.

[0036] In order to make it more convenient for the staff to place the whole roll of steel wire, in this embodiment, four slide grooves 13 are opened on the bearing surface of the turntable 1, and the extension direction of the slide groove is consistent with the direction of the connection line between the center of the turntable 1 and the vertical rod 2. A slider 11 is installed at the bottom of the vertical rod 2, and the slider 11 is slidably connected in the slide groove 13, and a compression spring 12 is installed between the slider 11 and the inner wall of the end of the slide groove 13. One end of the compression spring 12 is fixed on the slider 11, and the other end is fixed on the inner wall of the end of the slide groove 13 close to the center of the turntable 1.

[0037] When the driving member drives the winding wheel 41 to reel in the pull rope 42, it can not only drive the vertical cylinder 3 to slide downward, but also drive the vertical rod 2 to slide in the slide groove 13, so that the four vertical rods 2 are close to each other to facilitate the staff to load materials. When the driving member drives the winding wheel 41 to rotate in the opposite direction, the vertical cylinder 3 will be reset under the action of the elastic member, and at the same time, the vertical rod 2 will also be reset under the elastic action of the compression spring 12.

[0038] In addition, a limit block 31 is rotatably installed on the outer side of the top of the vertical cylinder 3, and a transmission assembly for driving the limit block 31 to rotate is provided on the vertical cylinder 3. It should be noted that when the vertical cylinder 3 descends, the limit block 31 will rotate toward the direction close to the vertical rod 2 under the action of the transmission assembly, so as to facilitate better placement of the steel wire on the turntable 1. When the vertical cylinder 3 rises, the limit block 31 will rotate toward the direction away from the vertical rod 2 under the action of the transmission assembly to limit the steel wire and reduce the steel wire from slipping out along the vertical cylinder 3.

[0039] In this embodiment, the transmission assembly includes: a mounting rod 20 vertically mounted on the top of the vertical rod 2, a transmission rope 21 is connected to the mounting rod 20, a through hole 30 is opened on the outer side of the end of the vertical cylinder 3 close to the turntable 1, and the end of the transmission rope 21 away from the mounting rod 20 passes through the through hole 30 and is connected to the limit block 31. At the same time, in order to facilitate the resetting of the limit block 31, a torsion spring is installed between the limit block 31 and the top of the vertical cylinder 3. It should be noted that the elastic member of this embodiment is a spring, one end of the spring is mounted on the top of the mounting rod 20, and the other end is mounted on the top wall of the vertical cylinder 3.

[0040] When the vertical cylinder 3 moves downward under the action of the pull rope 42, the limit block 31 will be driven to rotate toward the vertical rod 2 through the transmission rope 21. Conversely, when the vertical cylinder 3 is reset under the action of the spring, the limit block 31 will also be reset. The design of this solution can realize the linkage of the vertical rod 2, the vertical cylinder 3, and the limit block 31 through the driving member, which not only saves power but also has significant effects, achieving multiple goals at one stroke.

[0041] In addition, in order to ensure the strength between the four vertical cylinders 3, in this embodiment, a connecting rod 32 is horizontally installed at the top of the vertical cylinder 3 toward the inside of the turntable 1, and an annular block 33 is fixed at one end of the four connecting rods 32 away from the vertical cylinder 3. Through this design, the shaking of the vertical cylinder 3 during the lifting process can be effectively reduced, thereby improving the stability and strength of the entire winding device.

[0042] It should be noted that the driving member of this embodiment can adopt a relatively common servo motor, or the winding wheel 41 can be driven to rotate by hand cranking. Since the driving member is relatively common, it will not be described in detail here.

[0043] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A reeling device for rivet nut production, characterized in that: include: A turntable (1) mounted on a base (10); A plurality of vertical rods (2) arranged around the circumference of the turntable (1); A vertical cylinder (3) is slidably sleeved on the vertical rod (2) in the vertical direction; A driving assembly provided on the turntable (1) for driving the vertical cylinder (3) to move up and down along the vertical rod (2); The driving assembly comprises: a mounting frame (4) mounted at a middle position of a bearing surface of a turntable (1); a reel (41) mounted on the mounting frame (4) for vertical rotation; a pull rope (42) with one end connected to the reel (41) and the other end connected to the bottom of the vertical cylinder (3); a driving member mounted on the mounting frame (4) for driving the reel (41) to rotate; and an elastic member mounted between the vertical cylinder (3) and the vertical rod (2) for driving the vertical cylinder (3) to slide in a direction away from the vertical rod (2); A slide groove (13) is provided on the bearing surface of the turntable (1), and the extension direction of the slide groove (13) is consistent with the direction of the line connecting the center of the turntable (1) and the vertical rod (2). A slider (11) slidably connected in the slide groove (13) is installed at the bottom of the vertical rod (2), and a compression spring (12) is installed between the slider (11) and the inner wall of the end of the slide groove (13) for driving the slider (11) to slide in a direction away from the center of the turntable (1); A limit block (31) is rotatably mounted on the outer side of the top of the vertical cylinder (3). A transmission assembly for driving the limit block (31) to rotate is provided on the vertical cylinder (3). When the vertical cylinder (3) descends, the limit block (31) rotates in a direction close to the vertical rod (2), and when the vertical cylinder (3) rises, the limit block (31) rotates in a direction away from the vertical rod (2). The transmission assembly comprises: a mounting rod (20) vertically mounted on the top of the vertical rod (2); a transmission rope (21) with one end connected to the mounting rod (20) and the other end connected to the limit block (31); and a torsion spring mounted between the limit block (31) and the vertical cylinder (3) for driving the limit block (31) to return to a horizontal state. A through hole (30) for the transmission rope (21) to pass through is provided on the outer wall of one end of the vertical cylinder (3) close to the turntable (1).

2. The unwinding device for producing rivet nuts according to claim 1, characterized in that: The turntable (1) is provided with a vertical plate (5) at a position between the mounting frame (4) and the vertical rod (2); a sliding rod (51) with a fixed pulley (510) mounted on the top of the vertical plate (5) is mounted for sliding in a vertical direction; symmetrical mounting blocks (52) are mounted on one side of the sliding rod (51) and the vertical plate (5); an adjusting rod (53) is mounted vertically between the mounting blocks (52); and the pull rope (42) is passed around the bottom outer side of the fixed pulley (510).

3. The unwinding device for producing rivet nuts according to claim 2, characterized in that: A threaded rod threaded through the turntable (1) is installed at the bottom of the vertical plate (5), and a nut is threadedly connected to the outer end of the threaded rod.

4. The unwinding device for producing rivet nuts according to claim 1, characterized in that: A connecting rod (32) is installed on the top of the vertical cylinder (3) in a direction toward the inside of the turntable (1), and an annular block (33) is fixed to one end of the connecting rod (32) away from the vertical cylinder (3).

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