Screw and nut positioning and assembling device

Abstract

The utility model discloses a screw and nut positioning and assembling device, which relates to the technical field of screw and nut production and processing, and comprises a bottom plate, one side of the bottom plate is fixedly connected with a support frame, the inside of the support frame is rotatably connected with a first screw rod, the circumferential surface of the first screw rod is in threaded connection with a movable plate, and the lower surface of the movable plate is rotatably connected with a gear ring; a second two-way lead screw is rotatably connected to the interior of the gear ring, a second clamping plate is in threaded connection with the circumferential surface of the second two-way lead screw, a sleeve is fixedly connected to the upper surface of the bottom plate, a limiting rod is slidably connected to the interior of the sleeve, a first gear is fixedly connected to one end of the limiting rod, and the first gear is meshed with the gear ring; a transmission mechanism is arranged on the upper surface of the supporting frame, the first lead screw drives the sleeve to rotate synchronously through the transmission mechanism, and a fixing mechanism is arranged in the bottom plate.

Description

TECHNICAL FIELD

[0001] The utility model relates to screw nut production and processing technical field, concretely relates to a screw nut positioning and assembling device. BACKGROUND

[0002] The assembly of screws and nuts is a common process. Traditional screw and nut assembly methods mainly rely on manual operation, including manually screwing screws into nuts, or using simple tool fixtures for auxiliary assembly. However, these existing assembly methods have a series of problems and deficiencies.

[0003] First, the efficiency of manual assembly is relatively low. In situations where a large number of screws and nuts need to be assembled, manual operation not only consumes time and effort, but also is prone to assembly errors, affecting product quality and stability. In addition, manual assembly also has safety hazards, such as the risk of hand injury.

[0004] Secondly, although the existing tool fixtures can improve the assembly efficiency to some extent, they have poor versatility and flexibility. Different screw and nut sizes require different fixtures for adaptation, which not only increases production costs, but also limits the flexibility of assembly. At the same time, the design of some tool fixtures is not reasonable, which is easy to cause damage to screws or nuts during assembly.

[0005] In addition, the existing assembly methods also have deficiencies in automation and intelligentization. With the development of manufacturing industry, automation and intelligentization have become the trend of the times. However, the traditional screw and nut assembly method lags behind in this respect. SUMMARY

[0006] In order to overcome the above technical problems, the purpose of the utility model is to provide a screw nut positioning and assembling device to solve the problem of easy fatigue of workers during long-time assembly, thereby affecting the assembly efficiency.

[0007] The purpose of the utility model can be achieved through the following technical solutions:

[0008] The utility model provides a screw nut positioning and assembling device, including bottom plate and screw nut assembly, one side of bottom plate is fixedly connected with support frame, the inside rotationally connected with first screw rod of support frame, the circumference surface threaded connection of first screw rod has the moving plate, the lower surface rotationally connected with gear ring of moving plate, the inside rotationally connected with second bidirectional screw rod of gear ring, the circumference surface threaded connection of second bidirectional screw rod has the second clamping plate, the upper surface fixedly connected with sleeve of bottom plate, the inside sliding connection of sleeve has the limiting rod, one end of limiting rod is fixedly connected with first gear, and first gear and gear ring are mutually engaged, the upper surface of support frame is provided with transmission mechanism, first screw rod passes through transmission mechanism and drives sleeve synchronous rotation, the inside of bottom plate is provided with fixed mechanism.

[0009] Further in, the fixed mechanism includes a first bidirectional screw rod rotationally connected inside the bottom plate, the circumference surface of the first bidirectional screw rod is threaded with a first clamping plate.

[0010] Further in, the first clamping plate and the second clamping plate are both V-shaped in internal shape, and the inner side walls of the first clamping plate and the second clamping plate are provided with anti-skid grooves.

[0011] Further in, one end of the second bidirectional screw rod is fixedly connected with a first bevel gear, the inside of the gear ring is rotationally connected with a second bevel gear, and the second bevel gear and the first bevel gear are mutually engaged.

[0012] Further in, the transmission mechanism includes a motor fixedly connected to the upper surface of the support frame, the output end of the motor is fixedly connected to one end of the first screw rod, the other output end of the motor and one end of the sleeve are both fixedly connected with pulleys, and the pulleys are drivingly connected by a belt.

[0013] Further in, one end of the limiting rod is rotationally connected to the lower surface of the moving plate, the circumference surface of the limiting rod is fixedly connected with a limiting block, and the size of the limiting block matches the size of the inner wall of the sleeve.

[0014] Further in, a telescopic rod is arranged between the bottom plate and the moving plate.

[0015] The utility model discloses the beneficial effect:

[0016] 1, when needing to assemble the screw nut assembly, the second clamping plate is driven by rotating the second screw rod to fix the screw, the first screw rod and the sleeve are driven to rotate by the transmission mechanism to drive the moving plate to descend, the first gear at one end of the limiting rod is rotated by the sleeve and engaged with the gear ring, so that the moving plate presses down the gasket below the screw and drives the screw to rotate to assemble the gasket, which is convenient and saves manpower to assemble the screw nut assembly, and improves the assembly efficiency.

[0017] 2、Through the fixed mechanism, the nut of the screw and nut assembly can be fixed, and through cooperation of the first clamping plate and the second clamping plate, screw and nut assemblies of different sizes can be fixed, so that the applicability of the device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] The utility model will be further described in connection with the drawings.

[0019] Figure 1 It is the whole structure schematic view of the utility model;

[0020] Figure 2 It is the bottom structure section view of the utility model;

[0021] Figure 3 It is the utility model Figure 2 A local enlarged view.

[0022] In the drawing: 1, bottom plate; 2, first bidirectional screw rod; 3, first clamping plate; 4, telescopic rod; 5, moving plate; 6, support frame; 7, motor; 8, first screw rod; 9, sleeve; 10, limiting rod; 11, first gear; 12, gear ring; 13, second bidirectional screw rod; 14, first bevel gear; 15, second bevel gear; 16, second clamping plate; 17, pulley; 18, nut; 19, gasket; 20, screw. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be clearly and completely described below in connection with the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] Please refer to Figures 1-3 As shown in the figure, a screw and nut positioning and assembling device is provided, which comprises a bottom plate 1 and a screw and nut assembly. One side of the bottom plate 1 is fixedly connected with a support frame 6. The inside of the support frame 6 is rotatably connected with a first screw rod 8. The circumference of the first screw rod 8 is threadedly connected with a moving plate 5. The lower surface of the moving plate 5 is rotatably connected with a gear ring 12. The inside of the gear ring 12 is rotatably connected with a second bidirectional screw rod 13. The circumference of the second bidirectional screw rod 13 is threadedly connected with a second clamping plate 16. The upper surface of the bottom plate 1 is fixedly connected with a sleeve 9. The inside of the sleeve 9 is slidably connected with a limiting rod 10. One end of the limiting rod 10 is fixedly connected with a first gear 11. The first gear 11 and the gear ring 12 are meshed with each other. The upper surface of the support frame 6 is provided with a transmission mechanism. The first screw rod 8 drives the sleeve 9 to rotate synchronously through the transmission mechanism. The inside of the bottom plate 1 is provided with a fixed mechanism. The bottom plate 1 and the moving plate 5 are provided with a telescopic rod 4.

[0025] When installing the screw nut, the nut 18 is placed on the bottom plate 1, the first bidirectional screw rod 2 is rotated to drive the first clamping plate 3 to fix the nut 18, at this time, the gasket 19 is placed on the nut 18, at this time, the first bevel gear 14 and the second bevel gear 15 are meshed, so that the second bidirectional screw rod 13 drives the second clamping plate 16 to move to clamp the screw 20, at this time, the motor 7 is turned on to drive the first screw rod 8 to rotate, the first screw rod 8 drives the moving plate 5 to move downward, at the same time, the motor 7 drives the pulley 17 and the belt to cooperate, so that the sleeve 9 drives the internal limiting rod 10 to rotate, the limiting rod 10 drives the first gear 11 to rotate and the gear ring 12 to mesh, at this time, the second clamping plate 16 rotates to drive the screw 20 to rotate and assemble with the nut and the gasket through the moving plate 5.

[0026] The fixing mechanism comprises a first bidirectional screw rod 2 rotatably connected in the bottom plate 1, and the circumference of the first bidirectional screw rod 2 is threadedly connected with a first clamping plate 3, so that nuts 18 of different sizes can be fixed to facilitate the stability of the nut 18 assembly.

[0027] The first clamping plate 3 and the second clamping plate 16 are both V-shaped in internal shape, which facilitates the fixing operation of nuts 18 and screws 20 of different sizes, and the inner side walls of the first clamping plate 3 and the second clamping plate 16 are provided with anti-skid grooves, which facilitates the stability between the nut 18 and the screw 20.

[0028] One end of the second bidirectional screw rod 13 is fixedly connected with a first bevel gear 14, the inside of the gear ring 12 is rotatably connected with a second bevel gear 15, and the second bevel gear 15 and the first bevel gear 14 are meshed with each other, which not only does not occupy space area but also facilitates the rotation of the second bidirectional screw rod 13 to move the second clamping plate 16.

[0029] The transmission mechanism comprises a motor 7 fixedly connected to the upper surface of the support frame 6, the output end of the motor 7 and one end of the first screw rod 8 are fixedly connected, the other output end of the motor 7 and one end of the sleeve 9 are both fixedly connected with a pulley 17, and the pulleys 17 are connected by a belt drive, which facilitates the driving of the moving plate 5 to descend while also driving the second clamping plate 16 inside the gear ring 12 to rotate, so that the screw 20 can be assembled by rotating while descending.

[0030] One end of the limiting rod 10 is rotatably connected to the lower surface of the moving plate 5, and the circumference of the limiting rod 10 is fixedly connected with a limiting block, and the size of the limiting block matches the size of the inner wall of the sleeve 9, which facilitates the synchronous rotation of the limiting rod 10 when the sleeve 9 rotates and facilitates the sliding of the limiting rod 10 in the sleeve 9.

[0031] In the description of the specification, the description of the terms "one embodiment", "an example", "a specific example" and the like 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 utility model. In the specification, the illustrative description of the above terms does not necessarily mean 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.

[0032] The above is only an example and description of the utility model, and those skilled in the art can make various modifications or supplements or adopt similar ways to replace the described specific embodiments, as long as it does not deviate from the utility model or exceed the scope defined by the present claims, which shall belong to the protection scope of the utility model.

Claims

1. A screw and nut positioning and assembling device, characterized by, The utility model provides a kind of fixed mechanism for supporting frame (6), it includes bottom plate (1), one side of the bottom plate (1) is fixedly connected with supporting frame (6), the inside rotationally connected with first screw rod (8) of supporting frame (6), the circumference of first screw rod (8) is threadedly connected with moving plate (5), the lower surface rotationally connected with gear ring (12) of moving plate (5), the inside rotationally connected with second bidirectional screw rod (13) of gear ring (12), the circumference of second bidirectional screw rod (13) is threadedly connected with second clamping plate (16), the upper surface of bottom plate (1) is fixedly connected with sleeve pipe (9), the inside slidingly connected with limiting rod (10) of sleeve pipe (9), one end of limiting rod (10) is fixedly connected with first gear (11), and first gear (11) and gear ring (12) are engaged with each other, the upper surface of supporting frame (6) is provided with transmission mechanism, and first screw rod (8) is driven sleeve pipe (9) synchronous rotation by transmission mechanism, and the inside of bottom plate (1) is provided with fixed mechanism.

2. A screw and nut positioning and assembling device according to claim 1, characterized in that, The fixed mechanism includes a first bidirectional screw rod (2) rotationally connected inside the bottom plate (1), and a first clamping plate (3) threadedly connected to the circumference of the first bidirectional screw rod (2).

3. A screw and nut positioning assembly according to claim 2, wherein, The first clamping plate (3) and the second clamping plate (16) are both V-shaped in internal shape, and the inner side walls of the first clamping plate (3) and the second clamping plate (16) are provided with anti-skid grooves.

4. A screw and nut positioning and assembling device according to claim 1, characterized in that, One end of the second bidirectional screw rod (13) is fixedly connected with a first bevel gear (14), the inside of the gear ring (12) is rotationally connected with a second bevel gear (15), and the second bevel gear (15) and the first bevel gear (14) are engaged with each other.

5. A screw and nut positioning assembly as claimed in claim 1, wherein, The transmission mechanism includes a motor (7) fixedly connected to the upper surface of the supporting frame (6), the output end of the motor (7) and one end of the first screw rod (8) are fixedly connected, the other output end of the motor (7) and one end of the sleeve pipe (9) are both fixedly connected with pulleys (17), and the pulleys (17) are connected by a belt drive.

6. A screw and nut positioning assembly as claimed in claim 1, wherein, One end of the limiting rod (10) and the lower surface of the moving plate (5) are rotationally connected, and the circumference of the limiting rod (10) is fixedly connected with a limiting block, and the size of the limiting block matches the size of the inner wall of the sleeve pipe (9).

7. A screw and nut positioning assembly as claimed in claim 1, wherein, A telescopic rod (4) is arranged between the bottom plate (1) and the moving plate (5).

Images