All-metal polygonal nut tapping die

By designing an all-metal polygonal nut tapping die and adopting a clamping hole and clearance groove structure, the problems of uneven force and out-of-tolerance dimensions during nut tapping were solved, improving product quality consistency and processing efficiency, and reducing production costs.

CN224102002UActive Publication Date: 2026-04-10BEIJING SHOUHANG SCI TECH DEV CO
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
BEIJING SHOUHANG SCI TECH DEV CO
Filing Date
2024-12-27
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Existing nut tapping dies cannot fully constrain the outer surface of the product, resulting in uneven force during nut tapping, out-of-tolerance dimensions, poor product quality consistency, slow clamping and positioning, and low processing efficiency.

Method used

A full-metal polygonal nut tapping die was designed, including a worktable, a mounting plate and clearance grooves. The clamping holes match the nut structure, and the clearance grooves are evenly distributed to ensure that each side is constrained and to avoid interference. Fastening bolts are used for fixing to achieve rapid positioning and batch processing.

Benefits of technology

This method achieves uniform force distribution and good dimensional consistency in nut tapping, reduces the labor intensity of operators, improves production efficiency, shortens the processing cycle, and reduces production costs.

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Abstract

The utility model belongs to the technical field of all-metal nut machining, and particularly relates to an all-metal polygonal nut tapping die. The tapping die comprises a workbench, a mounting plate is arranged on the workbench, clamping holes are formed in the mounting plate, the clamping holes are matched with all-metal polygonal nuts in structure, and multiple sets of avoiding grooves matched with the clamping holes are evenly formed in the workbench. The tapping die solves the problems that when nuts are tapped in an existing machining mode, the opposite size is out of tolerance, product quality consistency is poor, clamping and positioning are slow, and production efficiency is low.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to all metal nut processing technical field, concretely relates to a all metal polygonal nut tapping die. BACKGROUND

[0002] The nut is the most common fastener in daily life, is composed of internal thread and outer square wrench structure, is divided into four square nuts, six square nuts, twelve square nuts etc. The nut is of many types, is widely used, has large demand, has wide market prospect, and the tapping die used for the existing nut production cannot completely constrain the outer surface of the product. UTILITARIAN CONTENT

[0003] In order to overcome the above-mentioned defects, the utility model discloses a kind of all metal polygonal nut tapping die, solve the problem of the existing processing mode in nut tapping, the opposite size is out of tolerance, product quality consistency is poor, clamping positioning is slow, and production efficiency is low.

[0004] To achieve the above object, the utility model adopts the following technical scheme:

[0005] A kind of all metal polygonal nut tapping die, including workbench, the installation plate is set on the workbench, clamping hole is set on the installation plate, the clamping hole is matched with all metal polygonal nut structure, the workbench is evenly set with multiple groups of the clamping hole matched with the avoidance slot.

[0006] Preferably, the clamping hole depth is less than all metal polygonal nut height.

[0007] Preferably, the workbench includes upper operating plate, lower operating plate, the upper operating plate and lower operating plate are cylindrical, connecting column is set between the upper operating plate and lower operating plate, and the avoidance slot is evenly set on the upper operating plate and lower operating plate.

[0008] Preferably, mounting hole is also set on the installation plate, fastening bolt is set in the mounting hole, and threaded hole matched with the fastening bolt is set on the upper operating plate, connecting column and lower operating plate.

[0009] The utility model has the following beneficial effects:

[0010] 1.The full-metal polygonal nut tapping die has simple structure, low design cost, and wide popularization, and has the following advantages over existing dies: (1) quality: the nut is placed in the clamping hole of the die, the clamping hole is designed as a quadrilateral, a hexagon, a twelve-variable shape, etc. according to the structure of the nut, each edge of the nut is constrained, the force of the nut tapping is uniform, the nut is not deformed, the nut is better in size consistency, and the product quality is stable and reliable; (2) operability: the nut is placed in the clamping hole of the die, fast clamping and positioning are achieved, the tapping machine can be started, the nut does not need to be held by hand, the labor intensity of the operator is greatly reduced, and the safety of operation is ensured; (3) economy: the batch processing is realized by using the die, the production efficiency is 7-8 times that of the original, the product processing cycle is shortened, and the production cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 is a schematic view of the mounting plate structure of the present utility model;

[0012] Figure 2 is a schematic view of the front structure of the full-metal polygonal nut tapping die of the present utility model;

[0013] Figure 3 is a schematic view of the top structure of the full-metal polygonal nut tapping die of the present utility model;

[0014] Figure 4 is a schematic view of the top structure of the workbench of the present utility model;

[0015] In the figure: 1-mounting plate, 2-clamping hole, 3-mounting hole, 4-workbench, 41-upper operating plate, 42-lower operating plate, 43-connection column, 5-avoidance groove, 6-fastening bolt, 7-thread hole, 8-full-metal polygonal nut, 9-tap. DETAILED DESCRIPTION

[0016] The present utility model will be further described below in combination with some specific embodiments.

[0017] Embodiment 1

[0018] Referring to Figures 1-4The utility model relates to a polygonal nut tapping die of all metal, including workbench 4, detachable connection mounting plate 1 is installed on workbench 4, and clamping hole 2 is set up on mounting plate 1, and clamping hole 2 is matched with the structure of polygonal nut 8 of all metal, such as quadrilateral, hexagon, dodecagon etc., and the embodiment illustrates the clamping hole matched with hexagonal nut of all metal, and four groups of avoiding slot 5 matched with clamping hole 2 are evenly set up on workbench 4, and avoiding slot 5 can prevent the down interference of tap 9 of tapping machine caused by workbench 4 during the processing of polygonal nut 8 of all metal, and different avoiding slots can be set as different sizes, and the mounting plate with different size clamping holes is matched, and one workbench can satisfy the tapping processing of polygonal nut of all metal of multiple specifications.

[0019] Further, the depth of the clamping hole 2 is less than the height of the polygonal nut 8 of all metal, facilitating the taking out of the polygonal nut 8 of all metal after the processing is completed.

[0020] Further, the workbench 4 includes an upper operating plate 41 and a lower operating plate 42, both of which are cylindrical, and a connecting column 43 is fixedly connected between the upper operating plate 41 and the lower operating plate 42, and the workbench 4 is in the shape of an I-beam, and the upper operating plate 41, the connecting column 43, and the lower operating plate 42 are integrally formed, and the avoiding slots 5 are evenly formed on the upper operating plate 41 and the lower operating plate 42, and the avoiding slots 5 are formed on the annular outer side surfaces of the upper operating plate 41 and the lower operating plate 42, and the avoiding slots 5 penetrate through the two end surfaces of the upper operating plate 41 and the lower operating plate 42, and the slot bottoms of the avoiding slots 5 are provided with circular arc grooves, facilitating the processing of the avoiding slots 5, and the upper operating plate 41 and the lower operating plate 42 are the same in structure, and the mounting plate 1 can be installed on the upper operating plate 41 or the lower operating plate 42, and the tapping operation of the polygonal nut 8 of all metal can be performed.

[0021] Further, mounting holes 3 are formed in the mounting plate 1, fastening bolts 6 are installed in the mounting holes 3, and threaded holes 7 matched with the fastening bolts 6 are formed in the centers of the upper operating plate 41, the connecting column 43, and the lower operating plate 42. The fastening bolts 6 are threadedly connected in the threaded holes 7 through the mounting holes 3, and the mounting plate 1 is convenient to install and detach on the workbench 4.

[0022] The method for using the tapping die of the utility model is as follows: a suitable mounting plate 1 is selected, the clamping hole 2 of the mounting plate 1 is positioned corresponding to the avoiding slot 5 on the workbench 4, the mounting plate 1 is fixed on the upper operating plate 41 by using the fastening bolts 6, the polygonal nut 8 of all metal is placed in the clamping hole 2 of the mounting plate 1, a suitable tap 9 is selected, the tap stroke is adjusted, the tap descending height is determined after locking the height, the polygonal nut 8 of all metal is tapped, and batch processing is realized.

[0023] Finally, it is explained that the above embodiments are only used to illustrate the technical solutions of the present application and are not limited, and other modifications or equivalent replacements of the technical solutions of the present application made by those skilled in the art should be covered in the scope of the claims of the present application, as long as they do not deviate from the spirit and scope of the technical solutions of the present application.

Claims

1. A polygonal nut tapping die made of metal, characterized in that, Including workbench (4), the mounting plate (1) is arranged on the workbench (4), the clamping hole (2) is opened on the mounting plate (1), the clamping hole (2) is matched with the structure of all-metal polygon nut (8), the workbench (4) is evenly opened with the matched avoidance slot (5) of the clamping hole (2).

2. The all-metal polygon nut tapping die according to claim 1, wherein, The clamping hole (2) is less than the height of all-metal polygon nut (8).

3. The all-metal polygon nut tapping die according to claim 2, wherein, The workbench includes upper operating plate (41), lower operating plate (42), the upper operating plate (41), lower operating plate (42) are cylindrical, the connecting column (43) is arranged between the upper operating plate (41) and lower operating plate (42), the avoidance slot (5) is evenly opened on the upper operating plate (41), lower operating plate (42).

4. The all-metal polygon nut tapping die according to claim 3, wherein, The mounting hole (3) is also opened on the mounting plate (1), the fastening bolt (6) is arranged in the mounting hole (3), the threaded hole (7) matched with the fastening bolt (6) is opened on the upper operating plate (41), connecting column (43), lower operating plate (42).