Rapid nut screwing device

Abstract

The utility model discloses a quick nut screwing device, which relates to the technical field of quick nut screwing and comprises a main shaft component body, the main shaft component body comprises a main shaft shell, a main shaft front end component is arranged at the front end of the main shaft shell, and a rear end cover is arranged between the main shaft front end component and the main shaft shell. A nut is arranged in the rear end cover, pin holes are formed in the periphery of the nut, the outer surface of the left side of the main shaft shell is fixedly sleeved with a butt joint cover, a nut groove is formed in the inner side of the butt joint cover, and an end cover groove is formed in the outer side of the nut groove; and positioning holes are formed in the periphery of the bottom end in the end cover groove. The four pins are inserted into the threaded through holes, the other ends of the pins are inserted into the pin holes in a penetrating mode, the nut is driven to rotate and be locked through twisting force of external electric drill equipment, the locking speed is increased, meanwhile, the locking quality is improved, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of rapid nut tightening, and particularly relates to a rapid nut tightening device. Background Art

[0002] A nut is a commonly used fastener, mostly made of metal materials. Nuts made of metal materials have good rigidity. When installing the main shaft component, a nut is required to achieve a locked state.

[0003] Most of the existing nuts are locked manually, but manual locking is time-consuming and laborious, and manual locking is prone to looseness, thus reducing the working efficiency. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a rapid nut tightening device to solve the problems raised in the above background art.

[0005] To solve the above technical problems, the technical solution adopted by the utility model is:

[0006] A rapid nut tightening device, including the main shaft component body, the main shaft component body includes a main shaft housing, a main shaft front-end component is arranged at the front end of the main shaft housing, and a rear end cover is arranged between the main shaft front-end component and the main shaft housing.

[0007] A nut is arranged inside the rear end cover, and pin holes are opened on the peripheries of the nut.

[0008] The further improvement of the technical solution of the utility model is that: a docking cover is fixedly sleeved on the outer surface of the left side of the main shaft housing, a nut groove is opened inside the docking cover, an end cover groove is opened on the outer side of the nut groove, positioning holes are opened on the peripheries of the inner bottom end of the end cover groove, and the nut groove and the end cover groove facilitate the installation and clamping of the nut and the rear end cover.

[0009] The further improvement of the technical solution of the utility model is that: a clamping ring is fixedly sleeved at the rear end of the main shaft front-end component, and threaded through holes are opened on the peripheries of the clamping ring.

[0010] The further improvement of the technical solution of the utility model is that: a pin is threadedly connected inside the threaded through hole, and the other end of the pin is threadedly connected inside the pin hole on the periphery of the nut, and the connection of the pin promotes clamping and fixing.

[0011] The further improvement of the technical solution of the utility model is that: a screw is arranged at the middle position of the front end of the main shaft front-end component, the nut abuts inside the nut groove, and docking holes are opened on the outer surfaces of the peripheries of the nut.

[0012] A further improvement of the technical solution of the present utility model lies in that: docking blocks are fixedly installed around the inner wall of the rear end cover, and the docking blocks are movably inserted into the docking holes.

[0013] A further improvement of the technical solution of the present utility model lies in that: engaging grooves are provided around the front end of the nut, engaging blocks are fixedly installed around the rear end of the rear end cover, the engaging blocks are movably inserted into the engaging grooves, positioning pins are fixedly installed on the outer sides of the engaging blocks around the rear end of the rear end cover, the positioning pins are movably inserted into the positioning holes, and the engaging blocks and the engaging grooves are correspondingly inserted, promoting the corresponding engagement of the nut and the rear end cover.

[0014] Due to the adoption of the above technical solution, compared with the prior art, the beneficial effects achieved by the present utility model are as follows: by engaging the nut between the front ends of the main shaft housing at the front end of the main shaft component, the nut needs to be axially locked first and then radially locked with a locking copper to lock the bearing, so that the nut is engaged in the nut groove, and its front side is correspondingly attached to the engaging ring. Then, by axially sleeving the rear end cover on the outer surface of the front end component of the main shaft at the front end of the nut, the positioning pins are correspondingly inserted into the positioning holes inside the end cover groove, promoting snap-fitting and fixing. After the snap-fitting is completed, four pins are inserted into the threaded through holes, and the other ends thereof are inserted into the pin holes. Then, the nut is driven to rotate and lock by the torsional force of an external electric drill device, improving the locking rate and the locking quality, and further improving the working efficiency. Description of the Drawings

[0015] Figure 1 is a structural schematic diagram of the present utility model;

[0016] Figure 2 is a structural schematic diagram of the rear end cover and the nut of the present utility model;

[0017] Figure 3 is a sectional structural schematic diagram of the main shaft housing of the present utility model;

[0018] Figure 4 is of the present utility model Figure 3 an enlarged structural schematic diagram of part A;

[0019] Figure 5 is a structural schematic diagram of the front end component of the main shaft of the present utility model.

[0020] In the figure: 1, main shaft component body; 2, main shaft housing; 21, docking cover; 22, nut groove; 23, end cover groove; 24, positioning hole; 3, front end component of main shaft; 31, engaging ring; 32, threaded through hole; 33, pin; 34, screw; 4, rear end cover; 4a, positioning pin; 41, nut; 42, pin hole; 43, docking hole; 44, docking block; 45, engaging groove; 46, engaging block. Detailed implementation mode

[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0022] Embodiment 1

[0023] As Figures 1 - 5 shown, the present utility model provides a quick tightening device for nuts, including the main shaft component body 1. The main shaft component body 1 includes a main shaft housing 2. A main shaft front-end component 3 is provided at the front end of the main shaft housing 2. A rear end cover 4 is provided between the main shaft front-end component 3 and the main shaft housing 2. A nut 41 is provided inside the rear end cover 4. Pin holes 42 are provided on the periphery of the nut 41. A docking cover 21 is fixedly sleeved on the outer surface of the left side of the main shaft housing 2. A nut groove 22 is provided inside the docking cover 21. An end cover groove 23 is provided on the outside of the nut groove 22. Positioning holes 24 are provided on the periphery of the bottom end inside the end cover groove 23.

[0024] Furthermore, when installing the main shaft component, first, the nut 41 is clamped between the front ends of the main shaft housing 2 and located between the main shaft front-end components 3. The nut 41 needs to be axially locked first and then radially locked by a locking copper to lock the bearing, so that the nut 41 is clamped inside the nut groove 22 and its front side corresponds and fits with the clamping ring 31.

[0025] Embodiment 2

[0026] As Figures 1 - 5 shown, on the basis of Embodiment 1, the present utility model provides a technical solution: Preferably, a clamping ring 31 is fixedly sleeved at the rear end of the main shaft front-end component 3. Threaded through holes 32 are provided on the periphery of the clamping ring 31. A pin 33 is threadedly connected inside the threaded through hole 32. The other end of the pin 33 is threadedly connected to the periphery of the nut 41 and located inside the pin hole 42. A screw 34 is provided at the middle position of the front end of the main shaft front-end component 3. The nut 41 abuts inside the nut groove 22. Docking holes 43 are provided on the outer surface of the periphery of the nut 41.

[0027] Furthermore, the rear end cover 4 is axially sleeved on the outer surface of the main shaft front-end component 3 and located at the front end of the nut 41. After the clamping is completed, four pins 33 are inserted into the threaded through holes 32 in cooperation, and the other end of the pins 33 is inserted into the pin holes 42. Then, the nut 41 is driven to rotate and lock by the torsional force of an external electric drill device.

[0028] Embodiment 3

[0029] As Figures 1 - 5 shown, on the basis of Embodiments 1-2, the present utility model provides a technical solution: Preferably, docking blocks 44 are fixedly installed around the inner wall of the rear end cover 4. The docking blocks 44 are movably inserted into the inside of the docking holes 43. Clamping grooves 45 are formed around the front end of the nut 41. Clamping blocks 46 are fixedly installed around the rear end of the rear end cover 4. The clamping blocks 46 are movably inserted into the inside of the clamping grooves 45. Positioning pins 4a are fixedly installed on the outer sides of the clamping blocks 46 around the rear end of the rear end cover 4. The positioning pins 4a are movably inserted into the inside of the positioning holes 24.

[0030] Furthermore, when installing the rear end cover 4, by fitting the clamping blocks 46 to be correspondingly inserted into the inside of the clamping grooves 45, the nut 41 and the rear end cover 4 are correspondingly clamped. The positioning pins 4a are inserted into the positioning holes 24 inside the end cover groove 23, which can promote the clamping and fixing.

[0031] Next, the working principle of the quick tightening device for the nut will be specifically described.

[0032] As Figures 1 - 5 shown, when in use, when installing the spindle component, first cooperate to clamp the nut 41 between the front end of the spindle housing 2 and the front end component 3 of the spindle. The nut 41 needs to be axially locked first and then radially locked with a locking copper for the bearing, so that the nut 41 is clamped inside the nut groove 22, and its front side is correspondingly fitted with the clamping ring 31. Then, the rear end cover 4 is axially sleeved on the outer surface of the front end component 3 of the spindle at the front end of the nut 41, so that the positioning pins 4a are correspondingly inserted into the inside of the positioning holes 24 inside the end cover groove 23 to promote the clamping and fixing. After the clamping is completed, cooperate to insert four pin pins 33 into the inside of the threaded through holes 32, and the other ends thereof are inserted into the pin holes 42. Then, the torsion force of an external electric drill device drives the nut 41 to rotate and lock, which improves the locking rate and the locking quality while improving the working efficiency.

[0033] The above has generally described the present utility model in detail. However, based on the present utility model, some modifications or improvements can be made, which are obvious to those of ordinary skill in the technical field. Therefore, the modifications or improvements made without departing from the spirit of the present utility model are within the protection scope of the present utility model.

Claims

1. A nut fastening device, comprising a main shaft component body (1), characterized in that: The spindle component body (1) comprises a spindle housing (2), a spindle front end component (3) is arranged at the front end of the spindle housing (2), and a rear end cover (4) is arranged between the spindle front end component (3) and the spindle housing (2); A nut (41) is arranged inside the rear end cover (4), and pin holes (42) are arranged around the nut (41).

2. A nut fastening device according to claim 1, characterized in that: A docking cover (21) is fixedly sleeved on the left outer surface of the spindle housing (2); a nut groove (22) is provided inside the inner side of the docking cover (21); an end cover groove (23) is provided on the outer side of the nut groove (22); and positioning holes (24) are provided around the inner bottom of the end cover groove (23).

3. A nut fastening device according to claim 1, characterized in that: A clamping ring (31) is fixedly sleeved at the rear end of the main shaft front end component (3), and threaded through holes (32) are provided on all four sides of the clamping ring (31).

4. A nut fastening device according to claim 3, characterized in that: The threaded through hole (32) is internally threadedly connected with a pin (33), and the other end of the pin (33) is threadedly connected to the periphery of the nut (41) and is located inside the pin hole (42).

5. A nut fastening device according to claim 1, characterized in that: A screw (34) is arranged at the middle position of the front end of the spindle front end component (3), the nut (41) abuts against the inside of the nut groove (22), and docking holes (43) are arranged on the outer surfaces of the four sides of the nut (41).

6. A nut fastening device according to claim 1, characterized in that: A docking block (44) is fixedly mounted on the inner wall of the rear end cover (4) and the docking block (44) is movably inserted into the interior of the docking hole (43).

7. A nut fastening device according to claim 1, characterized in that: The front end of the nut (41) is provided with a snap-fitting groove (45) on the periphery, the rear end of the rear cover (4) is fixedly mounted with a snap-fitting block (46) on the periphery, the snap-fitting block (46) is movably inserted into the interior of the snap-fitting groove (45), and the rear end of the rear cover (4) is fixedly mounted with a positioning pin (4a) on the outside of the snap-fitting block (46) on the periphery, the rear end of the rear cover (4), and the positioning pin (4a) is movably inserted into the interior of the positioning hole (24).

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