CN221909265U - Nut closing device - Google Patents

Abstract

The utility model relates to the field of nut closing devices, in particular to a nut closing device which comprises a fixed seat, a clamping assembly and a compacting assembly; the top of the fixed seat is provided with a placing table; the clamping assembly penetrates through the placing table and is in sliding connection with the fixing seat, the clamping assembly is used for closing up the nut, and the driving assembly for driving the clamping assembly to slide is arranged on the fixing seat; and the compressing assembly is arranged on the clamping assembly in a sliding manner and used for fixing the nut. According to the nut closing device, the clamping assembly penetrates through the placing table and is in sliding connection with the fixing seat, the clamping assembly is used for closing the nuts, the closing device can be adapted to nuts with different sizes, the time for frequently replacing the device is avoided, and the production efficiency and the continuity of a production line are improved; and the flexibility of the device is improved, the versatility of the nut closing device is improved, and the processing requirements of nuts with different specifications are met.

Description

Nut closing device

Technical Field

The utility model relates to the field of nut closing devices, in particular to a nut closing device.

Background Art

A nut is a part used to fit a bolt. It is usually hexagonal or other shapes with a threaded structure inside. The function of a nut is to work with a bolt to connect or fix two parts together by rotating. There are many types of nuts, including standard nuts, high-strength nuts, self-locking nuts, etc., and their uses are also different. Choose the appropriate nut according to actual needs.

A Chinese patent with the authorization announcement number CN217798616U discloses a closing device for a slotted self-locking nut, comprising a support platform, a closing lower die is arranged on the inner upper side of the support platform, and a hydraulic cylinder is installed on the top of the support platform, the output shaft of the hydraulic cylinder is connected with a quick release part, and a closing upper die is arranged at the lower part of the quick release part, and the quick release part comprises a base plate, a limiting axis is arranged at the upper center of the base plate, and grooves are arranged on both sides of the base plate, and guide grooves are arranged on both sides of the groove. The closing device for the slotted self-locking nut is provided with a quick release part, and when the closing upper die needs to be disassembled, only the handle needs to be turned to make the positioning shaft fit into the positioning hole of the closing upper die, thereby quickly completing the disassembly of the closing upper die, replacing the traditional bolt fixing method, and facilitating its replacement.

However, the device still has some shortcomings: the device cannot close the nuts of different sizes, so the applicability and flexibility of the device are poor, which reduces the closing efficiency of the nuts to a certain extent.

Utility Model Content

The utility model aims to provide a nut closing device to solve the problem that nuts of different sizes cannot be closed in the background technology.

The technical solution of the utility model is: a nut closing device, comprising:

A fixed seat with a placing table on the top;

A clamping assembly passes through the placement table and is slidably connected to the fixing seat. The clamping assembly is used to close the nut. The fixing seat is provided with a transmission assembly for driving the clamping assembly to slide.

And a pressing assembly is slidably arranged on the clamping assembly and is used to fix the nut.

Preferably, the clamping assembly comprises:

The first sliding blocks are provided in two groups, and the two groups of first sliding blocks are slidably arranged on the fixed seats;

and a clamping plate, which is vertically arranged on the first sliding block and passes through the placing table.

Preferably, a strip groove for the first sliding block to slide is formed on the fixing seat; and a through groove for the clamping plate to pass through is formed on the placing table.

Preferably, the transmission assembly comprises:

The first motor has two sets of fixing blocks arranged on one side of the fixing seat, and the first motor is arranged on one side of the fixing block;

A worm, rotatably disposed between the two sets of fixed blocks and connected to the output shaft of the first motor;

The threaded column passes through the fixing seat, and the first sliding block is provided with a threaded hole for rotating in cooperation with the threaded column;

and a worm wheel, which is arranged at one end of the threaded column and meshes with the worm.

Preferably, the pressing assembly comprises:

A second slider is slidably disposed on the clamping plate, and a driving mechanism is disposed on the clamping plate to drive the second slider to slide;

and a pressing plate, which is arranged on one side of the second sliding block and contacts the nut.

Preferably, the driving mechanism comprises:

A second motor is arranged on the top of the clamping plate;

And a threaded rod vertically passes through the clamping plate and is connected to the output shaft of the second motor. The second sliding block is provided with a threaded hole matched with the threaded rod.

Compared with the prior art, the utility model has the following beneficial technical effects:

By setting a clamping component, passing through the placement table and slidably connected with the fixed seat, the clamping component is used to close the nut, and a transmission component for driving the clamping component to slide is provided on the fixed seat. Firstly, the closing device can adapt to nuts of various sizes, avoiding the time of frequent replacement of devices, and improving production efficiency and continuity of the production line; secondly, the operator does not need to adjust or replace closing devices of different sizes, but only needs to adapt to nuts of different sizes through simple settings or adjustments, which simplifies the operation process and reduces the difficulty of operation; finally, the flexibility of the device is increased, the versatility of the nut closing device is improved, and the processing requirements of nuts of different specifications are met.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic structural diagram of an embodiment of the present utility model;

FIG2 is a schematic diagram of the structure of a transmission assembly;

FIG. 3 is a schematic structural diagram of a clamping assembly.

Figure numerals: 1. fixed seat; 2. support column; 3. placement table; 4. through groove; 5. fixed block; 6. first motor; 7. worm; 8. threaded column; 9. worm wheel; 10. first slider; 11. clamping plate; 12. pressing plate; 13. strip groove; 14. second motor; 15. threaded rod; 16. second slider.

DETAILED DESCRIPTION

Embodiment 1

As shown in FIG. 1 to FIG. 3 , a nut closing device proposed by the utility model comprises a fixing seat 1, a clamping assembly and a pressing assembly;

A fixed seat 1 is provided with a placing platform 3 on the top, and support columns 2 are provided between the bottom of the fixed seat 1 and the placing platform 3; a clamping component passes through the placing platform 3 and is slidably connected to the fixed seat 1, the clamping component is used to close the nut, and a transmission component for driving the clamping component to slide is provided on the fixed seat 1; and a clamping component is slidably arranged on the clamping component and is used to fix the nut.

As shown in Fig. 1-Fig. 2, the clamping assembly includes a first slider 10 and a clamping plate 11; the first slider 10 is provided in two groups, and the two groups of first sliders 10 are slidably provided on the fixed seat 1; and the clamping plate 11 is vertically provided on the first slider 10 and passes through the placement table 3; the fixed seat 1 is provided with a strip groove 13 for the first slider 10 to slide; the placement table 3 is provided with a through groove 4 for the clamping plate 11 to pass through, and the clamping assembly can be adapted to nuts of various sizes, thereby avoiding the time of frequent replacement of the device and improving the production efficiency and the continuity of the production line; The dynamic component includes a first motor 6, a worm 7, a threaded column 8 and a worm wheel 9; wherein, the first motor 6 is provided with two groups of fixed blocks 5 on one side of the fixed seat 1, and the first motor 6 is arranged on one side of the fixed block 5; the worm 7 is rotatably arranged between the two groups of fixed blocks 5 and connected to the output shaft of the first motor 6; the threaded column 8 passes through the fixed seat 1, and a threaded hole is opened on the first slider 10 for rotating with the threaded column 8, and the outer peripheral wall of the threaded column 8 is symmetrically provided with two groups of threads with opposite rotation directions; and the worm wheel 9 is arranged at one end of the threaded column 8 and meshes with the worm 7.

Embodiment 2

The utility model proposes a nut closing device. Compared with the first embodiment, the present embodiment further describes the structure of the clamping assembly in detail.

As shown in Figures 2 and 3, the clamping assembly includes a second slider 16 and a clamping plate 12; wherein, the second slider 16 is slidably arranged on the clamping plate 11, and a driving mechanism for driving the second slider 16 to slide is arranged on the clamping plate 11, and a through hole for the second slider 16 to slide up and down is opened on the clamping plate 11; and the clamping plate 12 is arranged on one side of the second slider 16 and contacts with the nut; the driving mechanism includes a second motor 14 and a threaded rod 15; wherein the second motor 14 is arranged on the top of the clamping plate 11; and the threaded rod 15 vertically passes through the clamping plate 11 and is connected to the output shaft of the second motor 14, and a threaded hole matching with the threaded rod 15 is opened on the second slider 16.

In summary, when the utility model is in use, the nut to be closed is first placed on the placement table 3, and then the first motor 6 is turned on. The first motor 6 drives the worm 7 to rotate. Since the worm wheel 9 is meshed with the worm 7, the threaded column 8 and the worm wheel 9 are driven to rotate. Since the outer peripheral wall of the threaded column 8 is symmetrically provided with two groups of threads with opposite rotation directions, the two groups of first sliders 10 are driven to approach or move away at the same time. When the two groups of first sliders 10 move relative to each other at the same time, the clamping plate 11 can be driven to move relative to each other, so as to clamp the nut. Then the second motor 14 is turned on, so as to drive the threaded rod 15 to rotate, thereby driving the second slider 16 and the clamping plate 12 to move up and down. After the nut is clamped, the second motor 14 is stopped, and then the clamping plate 11 is continued to be driven by the first motor 6 to squeeze the nut, so as to realize the closing of the nut. The closing device can adapt to nuts of various sizes, avoids the time of frequent replacement of the device, improves the production efficiency and the continuity of the production line; and increases the flexibility of the device, improves the versatility of the nut closing device, and meets the processing requirements of nuts of different specifications.

The implementation modes of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge scope of technicians in the relevant technical field without departing from the purpose of the present invention.

Claims (6)

1. A nut necking device, comprising:

A fixed seat (1), the top of which is provided with a placing table (3);

The clamping assembly penetrates through the placing table (3) and is in sliding connection with the fixing seat (1), the clamping assembly is used for closing up the nut, and the fixing seat (1) is provided with a transmission assembly for driving the clamping assembly to slide;

and the compressing assembly is arranged on the clamping assembly in a sliding manner and used for fixing the nut.

2. The nut necking-in device as defined in claim 1, wherein the clamping assembly comprises:

The first sliding blocks (10) are arranged in two groups, and the two groups of first sliding blocks (10) are arranged on the fixed seat (1) in a sliding manner;

And a clamping plate (11) vertically arranged on the first sliding block (10) and penetrating through the placing table (3).

3. Nut necking device according to claim 2, characterized in that the fixed seat (1) is provided with a bar-shaped groove (13) for the first sliding block (10) to slide; the placing table (3) is provided with a through groove (4) for the clamping plate (11) to pass through.

4. The nut necking-in device as defined in claim 1, wherein the transmission assembly comprises:

the first motor (6), one side of the fixed seat (1) is provided with two groups of fixed blocks (5), and the first motor (6) is arranged on one side of the fixed blocks (5);

The worm (7) is rotatably arranged between the two groups of fixed blocks (5) and is connected with an output shaft of the first motor (6);

The threaded column (8) penetrates through the fixed seat (1), and a threaded hole which is matched with the threaded column (8) to rotate is formed in the first sliding block (10);

and a worm wheel (9) provided at one end of the screw column (8) and engaged with the worm (7).

5. The nut necking-in device as defined in claim 1, wherein the compression assembly comprises:

The second sliding block (16) is arranged on the clamping plate (11) in a sliding manner, and a driving mechanism for driving the second sliding block (16) to slide is arranged on the clamping plate (11);

And a pressing plate (12) disposed on one side of the second slider (16) and contacting the nut.

6. The nut necking-in device as defined in claim 5, wherein the drive mechanism comprises:

the second motor (14) is arranged at the top of the clamping plate (11);

and the threaded rod (15) vertically penetrates through the clamping plate (11) and is connected with an output shaft of the second motor (14), and a threaded hole matched with the threaded rod (15) is formed in the second sliding block (16).