CN219073701U

CN219073701U - Cleaning tool for Dacromet coated nut threads

Info

Publication number: CN219073701U
Application number: CN202320113772.0U
Authority: CN
Inventors: 王辉
Original assignee: Beijing Jin Zhaobo High Strength Fastener Co ltd
Current assignee: Beijing Jin Zhaobo High Strength Fastener Co ltd
Priority date: 2023-01-18
Filing date: 2023-01-18
Publication date: 2023-05-26
Anticipated expiration: 2033-01-18

Abstract

The application discloses a burnisher for dyclonic coating nut screw thread to the problem that has piled up dyclonic coating layering liquid in the screw thread of dyclonic coating nut that solves prior art existence, leads to its packaging efficiency low, and the moment of torsion defective rate is high, can't satisfy the mechanical properties requirement. The application comprises the following steps: the drilling machine comprises a body and a base, a Dacromet coating nut is placed on the base, a chuck and a motor are arranged on the body, the chuck is connected with the steel brush in an adaptive manner, and the steel brush is used for cleaning internal threads of the nut; the device has a simple structure and is convenient to operate, and can be used for effectively cleaning the Dacromet coating layer liquid accumulated in the threads of the Dacromet coating nut, so that the assembly efficiency of the Dacromet coating nut and the bolt is improved, and the quality of product assembly is improved; the quality of the nut is improved, so that the torque detection defective rate of the bolts and the nuts is reduced, and the torque of the nuts and the bolts meets the requirement of mechanical performance.

Description

Cleaning tool for Dacromet coated nut threads

Technical Field

The application relates to the technical field of cleaning tools, in particular to a cleaning tool for Dacromet coated nut threads.

Background

Dacromet coated nuts are typically 4-, 8.8-, 10-grade nuts. The Dacromet coated nut is coated with hydrogen-free brittle zinc and has good rust-proof effect, the thickness of the Dacromet coated layer of the Dacromet coated nut is generally more than 12 mu m, but the rust-proof effect is 7-10 times of that of the traditional electrogalvanized nut, the appearance is more attractive compared with a hot dip galvanized nut, the Dacromet coated nut is more suitable for internal and external decoration, and the fastening effect is good.

There are also problems with dacromet coated nuts, such as: 1. the accumulation of the Dacromet coating layer liquid often exists at the internal thread of the Dacromet coating nut, so that the resistance is large, the assembly is unsmooth and the assembly efficiency is low when the Dacromet coating layer liquid is assembled with a high-strength bolt; 2. the torque of the Dacromet coated nut is increased, and the requirement of mechanical properties cannot be met; 3. when a customer detects the torque of a bolt or a nut, the reject ratio is more than 70%, and the quality of the threads of the nut is reduced.

Currently, the nut is tightened by a direct wrench or blind force during assembly, and a special cleaning tool is not needed to reduce the influence of the problems on the threads of the nut.

Disclosure of Invention

Therefore, the application provides a cleaning tool for the screw thread of the Dacromet coated nut, which solves the problems that the assembly efficiency is low, the torque reject ratio is high and the mechanical performance requirement cannot be met due to the fact that the Dacromet coated laminated liquid is accumulated in the screw thread of the Dacromet coated nut in the prior art.

In order to achieve the above object, the present application provides the following technical solutions:

a cleaning tool for dacromet coated nut threads, comprising: the drilling machine comprises a body and a base arranged at the lower part of the body, a Dacromet coating nut is placed on the base, a chuck and a motor are arranged on the body, the chuck is arranged right above the nut, the chuck is connected with the steel brush in an adaptive manner, and the steel brush is used for cleaning internal threads of the nut.

Optionally, the steel brush comprises a steel rod, and the outer wall of the steel rod is provided with tentacles.

Optionally, a baffle is disposed on the base, and the baffle is used for fixing the nut.

Optionally, the nut is a hexagonal nut; the appearance of baffle with the shape looks adaptation of nut, it includes four risers that connect gradually, four the riser with four lateral walls laminating of nut.

Optionally, the front of body is provided with switch, is provided with the controller inside, the controller is used for controlling motor, switch's work.

Optionally, the base is placed on a workbench.

Compared with the prior art, the application has the following beneficial effects:

1. the present application provides a cleaning tool for dacromet coated nut threads, comprising: the drilling machine comprises a drilling machine and a steel brush, wherein a Dacromet coating nut is placed on a base of the drilling machine, a chuck and a motor are arranged on a body of the drilling machine, the chuck is connected with the steel brush in an adaptive manner, and the steel brush is used for cleaning internal threads of the nut; the device has a simple structure and is convenient to operate, and can be used for effectively cleaning the Dacromet coating layer liquid accumulated in the threads of the Dacromet coating nut, so that the assembly efficiency of the Dacromet coating nut and the bolt is improved, and the quality of product assembly is improved; the quality of the nut is improved, so that the torque detection defective rate of the bolts and the nuts is reduced, and the torque of the nuts and the bolts meets the requirement of mechanical performance.

2. The baffle is further arranged on the base, so that the nut can be stabilized, and the nut is prevented from rotating along with the steel brush.

Drawings

For a more visual illustration of the prior art and the present application, several exemplary drawings are presented below. It should be understood that the specific shape and configuration shown in the drawings should not be considered in general as limiting upon the practice of the present application; for example, based on the technical concepts and exemplary drawings disclosed herein, those skilled in the art have the ability to easily make conventional adjustments or further optimizations for the add/subtract/assign division, specific shapes, positional relationships, connection modes, dimensional scaling relationships, etc. of certain units (components).

Fig. 1 is a schematic structural diagram provided in a first embodiment of the present application;

FIG. 2 is a partial schematic view of the steel brush of FIG. 1;

FIG. 3 is a rear schematic view at the baffle of FIG. 2;

fig. 4 is a schematic structural diagram provided in a second embodiment of the present application;

FIG. 5 is a front view of the device shown in FIG. 4;

FIG. 6 is a partial schematic view of the steel brush of FIG. 4;

fig. 7 is a rear schematic view at the baffle of fig. 6.

Reference numerals illustrate:

1. a body; 11. a chuck; 12. a motor; 13. a power switch; 131. opening a key; 132. closing the key; 2. a base; 3. a steel brush; 31. a steel rod; 32. tentacles; 4. a nut; 41. an internal thread; 5. a baffle; 51. a riser; 6. a working table.

Detailed Description

The present application is further described in detail below with reference to the attached drawings.

In the description of the present application: unless otherwise indicated, the meaning of "a plurality" is two or more. The terms "first," "second," "third," and the like in this application are intended to distinguish between the referenced objects without a special meaning in terms of technical connotation (e.g., should not be construed as emphasis on degree or order of importance, etc.). The expressions "comprising", "including", "having", etc. also mean "not limited to" (certain units, components, materials, steps, etc.).

The terms such as "upper", "lower", "left", "right", "middle", and the like, as referred to in this application, are generally used for convenience in visual understanding with reference to the drawings, and are not intended to be an absolute limitation of the positional relationship in actual products. Such changes in relative positional relationship are considered to be within the scope of the present description without departing from the technical concepts disclosed herein.

The utility model provides a burnisher for dyclonic coating nut screw thread can clear up dyclonic coating layering liquid in dyclonic coating's the big nut screw thread, and the moment of torsion of screw thread obtains powerful quality assurance in next process, satisfies mechanical properties's requirement, reduces the resistance for the equipment of screw thread department is smooth and easy.

Example 1

A cleaning tool for dacromet coated nut threads, as shown in fig. 1-3, comprising: the drilling machine comprises a body 1 and a base 2 positioned at the lower part of the body 1, wherein a Dacromet coating nut 4 is placed on the base 2, and the nut 4 is a hexagon nut; the body 1 is provided with a chuck 11 and a motor 12, the chuck 11 is positioned right above the nut 4, the chuck 11 is connected with the steel brush 3 in an adapting way, and the steel brush 3 is used for cleaning the internal thread 41 of the nut 4.

In this embodiment, the steel brush 3 includes a steel rod 31, and a plurality of tentacles 32 are disposed on the outer wall of the steel rod 31, where the tentacles 32 are spirally disposed.

The inside of the drilling machine is also provided with a lifting main shaft, the lifting main shaft is connected with a chuck 11, and the chuck 11 is connected with a steel brush 3, similar to the structure of a tapping machine.

The baffle 5 can play a role in stabilizing the nut 4, so that the nut 4 can rotate along with the steel brush 3 when the steel brush 3 rotates, and the Dacromet coating on the surface of the nut 4 cannot be damaged.

Preferably, the base 2 is provided with a baffle 5, and the baffle 5 is used for fixing the nut 4.

Further preferably, as shown in fig. 2 and 3; the shape of the baffle 5 is matched with the shape of the nut 4, the baffle comprises four vertical plates 51 which are sequentially connected, and the four vertical plates 51 are attached to the four side walls of the nut 4.

Preferably, the front surface of the body 1 is provided with a power switch 13, and a controller is arranged inside the front surface and is respectively electrically connected with the motor 12 and the power switch 13 and used for respectively controlling the operation of the motor 12 and the power switch 13.

Further preferably, the power switch 13 includes two power keys, one of which is a green on key 131 and the other of which is a red off key 132.

Preferably, a workbench 6 is further included, and the base 2 is placed on the workbench 6.

The steel rod 31 is smaller than the inner diameter of the female screw 41, and the length of the tentacles 32 of the outer wall is slightly larger than the distance between the steel rod 31 and the female screw 41.

Example two

Embodiment two is substantially similar to embodiment one, except that: in the second embodiment, the structure of the baffle 5 is different, and the baffle 5 may include two risers 51 connected in sequence, as shown in fig. 4 to 7; of course, other shapes are possible, as long as it serves to stabilize the nut 4.

In use, the steel brush 3 is firstly mounted on the chuck 11, and the dacromet coated nut 4 is fixed on the base 2; then the power switch 13 (the start key 131) is turned on, the motor 12 starts to rotate, the lifting main shaft in the body 1 stretches, the chuck 11 drives the steel brush 3 to move downwards into the internal thread 41 of the nut 4, the tentacles 32 on the outer wall of the steel brush 3 are driven to rotate through the rotation of the steel brush 3, and dacromet coating layer liquid in the internal thread 41 is completely cleaned; after the dacromet coating layer liquid is cleaned, the power switch 13 is turned off (the key 132 is turned off), the nut 4 is removed, and the next procedure is carried out.

Any combination of the technical features of the above embodiments may be performed (as long as there is no contradiction between the combination of the technical features), and for brevity of description, all of the possible combinations of the technical features of the above embodiments are not described; these examples, which are not explicitly written, should also be considered as being within the scope of the present description.

The foregoing has outlined and detailed description of the present application in terms of the general description and embodiments. It should be appreciated that numerous conventional modifications and further innovations may be made to these specific embodiments, based on the technical concepts of the present application; but such conventional modifications and further innovations may be made without departing from the technical spirit of the present application, and such conventional modifications and further innovations are also intended to fall within the scope of the claims of the present application.

Claims

1. A cleaning tool for dacromet coated nut threads, comprising: the drilling machine comprises a body and a base arranged at the lower part of the body, a Dacromet coating nut is placed on the base, a chuck and a motor are arranged on the body, the chuck is arranged right above the nut, the chuck is connected with the steel brush in an adaptive manner, and the steel brush is used for cleaning internal threads of the nut.

2. The cleaning tool for dacromet coated nut threads of claim 1, wherein the steel brush comprises a steel rod, an outer wall of the steel rod being provided with tentacles.

3. The cleaning tool for dacromet coated nut threads as recited in claim 2, wherein a baffle is provided on said base for securing said nut.

4. A cleaning tool for dacromet coated nut threads as claimed in claim 3, wherein said nut is a hex nut; the appearance of baffle with the shape looks adaptation of nut, it includes four risers that connect gradually, four the riser with four lateral walls laminating of nut.

5. The cleaning tool for dacromet coated nut threads of claim 1, wherein the front face of the body is provided with a power switch and a controller is disposed therein for controlling operation of the motor, the power switch.

6. The cleaning tool for dacromet coated nut threads as recited in claim 1, wherein said base is placed on a table.