A precision aluminum machining tool assembly
By combining the design of forming, external diameter and threading tools and bolt connections, the error problem of existing tools when machining cold heading blanks is solved, and high-precision and high-efficiency aluminum part machining is achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIANGSU MINGYANG WIND POWER TECH CO LTD
- Filing Date
- 2025-07-15
- Publication Date
- 2026-07-17
AI Technical Summary
Existing precision aluminum machining tools are prone to multi-edge errors, contour errors, vibration marks, and poor appearance when machining cold heading blanks, resulting in a decrease in machining accuracy.
It adopts a combination design of forming tool, external turning tool and threading tool, and realizes convenient assembly through bolt connection. The forming tool cuts small holes in one go, the external turning tool removes excess metal, the threading tool cuts the thread contour, and the chamfering tool finishes the edge, avoiding the error of multiple processing.
It improves machining accuracy and efficiency, avoids multi-edge errors and poor appearance, ensures high precision of small holes and threads, and simplifies the machining process.
Smart Images

Figure CN224508478U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of precision aluminum machining tool assemblies, and in particular to a precision aluminum machining tool assembly. Background Technology
[0002] Precision aluminum machining centers are machines capable of machining aluminum materials with high precision to produce aluminum parts that meet strict dimensional tolerances, surface quality requirements, and geometric tolerances. These machines utilize advanced technology and sophisticated control systems to ensure that the machined aluminum parts achieve high levels of accuracy and performance. Examples include CNC lathes, CNC milling machines, and precision grinding machines. Precision aluminum machining tools are various types of cutting tools used in machining precision aluminum parts; their function is to efficiently and accurately remove excess material from the aluminum parts, ensuring machining accuracy and surface quality.
[0003] However, when existing precision aluminum machining tools process cold heading blanks, they usually use drills, boring tools, turning tools, threading tools and other tools in succession to process the cold heading blanks in multiple steps. This causes multiple cutting edge errors, which lead to contour errors. In addition, it is easy to produce appearance defects such as vibration marks, tool lines and uneven surfaces, which reduces the machining accuracy. Utility Model Content
[0004] To address the shortcomings of existing technologies, this utility model provides a precision aluminum machining tool assembly.
[0005] The purpose of this utility model is achieved as follows: a precision aluminum machining tool assembly includes: a forming tool, an external turning tool, a threading tool, and a first tool holder. The upper end of the first tool holder is equipped with a connecting post. The forming tool is fixedly connected to the upper end of the connecting post. The forming tool is arranged in a mountain shape. A small hole machining tool is provided at the upper end of the forming tool. An external turning tool consists of a second tool holder and an external turning tool head; The thread cutter consists of a connecting block and a tool holder.
[0006] Preferably, the first tool holder and the connecting column are connected by bolts, the connecting column and the forming tool are connected by bolts, and the outer diameter machining head is bolted to the second tool holder.
[0007] Preferably, the connecting block is assembled on the upper end of the tool handle, the connecting block has an installation cavity inside, the installation cavity has a tool holder inside, the tool holder has a threading tool inside, and the threading tool is provided in four sets.
[0008] Preferably, a rectangular groove is provided inside the connecting block, and a chamfering tool is installed in the rectangular groove inside the connecting block.
[0009] Preferably, the handle has a first mounting hole inside, which is located inside the connecting block; the tool holder has a second mounting hole inside, which is also located inside the connecting block; and fastening bolts are installed in both the first and second mounting holes.
[0010] Preferably, the chamfering tool has a third mounting hole inside, which is located in a rectangular groove inside the connecting block.
[0011] Compared with the prior art, the beneficial effects of this utility model are as follows: 1. This utility model utilizes a combination of a forming tool, an external turning tool, and a threading tool. The forming tool can cut a small hole that meets the requirements in one pass, avoiding the cumulative errors caused by multiple processing steps, thus ensuring high precision in the size of the small hole. The external turning tool, through relative movement with the cold heading blank, removes excess metal from the surface of the cold heading blank, bringing the blank to the required diameter. The threading tool's cutting edge then cuts a thread profile corresponding to its own shape on the surface of the cold heading blank, forming a thread that meets the design requirements. This precision aluminum machining tool assembly allows for the combined use of multiple tools. With the combined use of these three tools, the contour error caused by multiple cutting edge errors is suppressed, avoiding appearance defects such as vibration marks, tool lines, and uneven surfaces, thus improving the practicality and efficiency of the device.
[0012] 2. This utility model, through the cooperation of the connecting block, mounting cavity, and tool holder, uses bolt assembly to conveniently connect the tool holder and threading cutter to the connecting block, and installs the chamfering cutter to the bottom of the tool holder, making them an integral unit. The threading cutter and chamfering cutter can be used simultaneously to process cold heading blanks. This precision aluminum machining tool assembly can conveniently assemble the tool holder, threading cutter, and chamfering cutter with bolts, facilitating thread processing and chamfering of cold heading blanks, and improving the practicality and convenience of the device. Attached Figure Description
[0013] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.
[0014] Figure 1 This is a frontal three-dimensional schematic diagram of the overall structure of the machining tool of this utility model.
[0015] Figure 2 This is a bottom-view perspective view of the overall structure of the thread cutter of this utility model.
[0016] Figure 3 This is a frontal exploded view of the overall structure of the thread cutter of this utility model.
[0017] Figure 4 This is a top view of the connecting block, threaded tool holder, and threaded tool structure of this utility model.
[0018] Figure 5 This is a frontal perspective three-dimensional schematic diagram of the overall structure of the external turning tool of this utility model.
[0019] Figure 6 This is a schematic diagram of the finished product structure of the processed parts of this utility model.
[0020] In the diagram: 111, First tool holder; 211, Connecting post; 212, Forming tool; 213, External turning tool; 215, Second tool holder; 216, External turning tool head; 311, Connecting block; 312, Mounting cavity; 313, Tool holder; 314, Threading tool; 316, Chamfering tool; 317, First mounting hole; 318, Second mounting hole; 319, Third mounting hole; 320, Tool handle. Detailed Implementation
[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0022] like Figure 1-6 The present invention provides one embodiment as shown: A precision aluminum machining tool assembly, wherein the first tool holder 111 used in this application is a commercially available product, and its principle and connection method are existing technologies well known to those skilled in the art; Includes: a forming tool 212, an external turning tool 213, a threading tool 314 and a first tool holder 111. The upper end of the first tool holder 111 is equipped with a connecting post 211. The forming tool 212 is fixedly connected to the upper end of the connecting post 211. The forming tool 212 is arranged in a mountain shape. A small hole machining tool is provided at the upper end of the forming tool 212. The external turning tool 213 consists of a second tool holder 215 and an external turning tool head 216; The thread cutter 314 consists of a connecting block 311 and a tool holder 313; When using this precision aluminum machining tool, the forming tool 212 is pre-designed and manufactured according to the precise size and shape of the required small hole. When machining the cold heading blank, it can cut out the required small hole in one go, avoiding the cumulative error caused by multiple machining, thereby ensuring the high precision of the small hole size. The external turning tool 213 removes excess metal from the surface of the cold heading blank through relative movement with the cold heading blank, so that the cold heading blank reaches the required diameter size. The cutting edge of the external turning tool 213 is a combination of a circle and a special shape. Through rotational movement, it can ensure the inner diameter accuracy and roundness of the small hole, so that the small hole meets the design standards and avoids shape errors such as ellipticity and taper. For some special-shaped small holes, such as square holes and irregular holes, the cutting edge of the external turning tool 216 on the external turning tool 213 will be specially designed according to the shape of the hole, so as to directly cut out the required shape, reducing subsequent processing steps and error accumulation. The thread cutter 314 has a specific cutting edge shape that matches the tooth profile of the thread to be machined. During machining, the cutting edge 313 makes a regular feed motion along the axial direction of the cold heading blank, while the cold heading blank rotates. The cutting edge of the thread cutter 314 will cut a thread profile corresponding to its own shape on the surface of the cold heading blank, thereby forming a thread that meets the design requirements.
[0023] The first tool holder 111 is connected to the connecting post 211 by bolts, the connecting post 211 is connected to the forming tool 212 by bolts, and the outer diameter machining head 216 is bolted to the second tool holder 215. The first tool holder 111 is connected to the connecting column 211 by bolts. The connecting column 211 is connected to the forming tool 212 and the external turning tool 213 by bolts. The external turning tool head 216 is bolted to the second tool holder 215, so that the components can be easily assembled by bolts and the whole assembly can be easily replaced.
[0024] The connecting block 311 is assembled on the upper end of the tool holder 320. The connecting block 311 has an installation cavity 312 inside. The tool holder 313 is installed inside the installation cavity 312. The tool holder 313 is equipped with a threading tool 314. There are four sets of threading tools 314.
[0025] A rectangular groove is provided inside the connecting block 311, and a chamfering tool 316 is installed in the rectangular groove inside the connecting block 311; Using a chamfering cutter 316 to chamfer the edges of cold heading blanks can round or flatten sharp corners, making the edges smooth and effectively preventing operators from being scratched during handling, assembly, or subsequent processing.
[0026] The handle 320 has a first mounting hole 317 inside, and the first mounting hole 317 is located inside the connecting block 311. The tool holder 313 has a second mounting hole 318 inside, and the second mounting hole 318 is located inside the connecting block 311. Fastening bolts are installed inside both the first mounting hole 317 and the second mounting hole 318. The tool handle 320 is assembled with the connecting block 311 and the connecting block 311 is assembled with the tool holder 313 using bolts, which allows for easy replacement and installation.
[0027] The chamfering tool 316 has a third mounting hole 319 inside. The third mounting hole 319 is opened on the rectangular groove inside the connecting block 311. The connecting block 311 has a third mounting hole 319 inside. The chamfering cutter 316 is installed at the bottom of the tool holder 313, so that it forms an integral part with the tool holder 313. The threading cutter 314 and the chamfering cutter 316 can be used simultaneously to process the cold heading blank.
[0028] Working principle: When using this precision aluminum machining tool, the forming tool 212 is pre-designed and manufactured according to the precise size and shape of the required small hole. During the machining of the cold heading blank, it can cut out the required small hole in one pass, avoiding the cumulative errors caused by multiple machining operations, thus ensuring high precision in the small hole size. The external turning tool 213, through relative movement with the cold heading blank, removes excess metal from the surface of the cold heading blank, bringing it to the required diameter. The cutting edge of the external turning tool 213 is a combination of a circle and a special shape. Through rotational movement, it ensures the accuracy and roundness of the inner diameter of the small hole, making the small hole conform to design standards and avoiding shape errors such as ellipticity and taper. For some special-shaped small holes, such as square holes and irregular holes, [further details are needed]. The cutting edge 216 of the external turning tool 213 is specially designed according to the shape of the hole, so as to directly cut out the required shape, reducing subsequent machining processes and error accumulation. The tool holder 313 of the thread cutter 314 has a specific cutting edge shape that matches the tooth profile of the thread to be machined. During machining, the tool holder 313 makes a regular feed motion along the axial direction of the cold heading blank, while the cold heading blank rotates. The cutting edge of the thread cutter 314 will cut a thread profile corresponding to its own shape on the surface of the cold heading blank, thereby forming a thread that meets the design requirements. By using the combination of the forming tool 212, the external turning tool 213 and the thread cutter 314, the combined tool can perform multi-shape machining on the cold heading blank, improving machining efficiency.
[0029] When using this precision aluminum machining tool, the tool holder 313 and thread cutter 314 are conveniently connected to the connecting block 311 by bolt assembly, and the chamfering cutter 316 is installed at the bottom of the tool holder 313 to form a whole. The thread cutter 314 and chamfering cutter 316 can be used simultaneously to process the cold heading blank, which facilitates threading and chamfering of the cold heading blank. The operation is then completed.
[0030] The above description of the embodiments is only for the purpose of helping to understand the method and core idea of this utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made to this utility model without departing from the principle of this utility model, and these improvements and modifications also fall within the protection scope of the claims of this utility model.
Claims
1. A precision aluminum part machining tool assembly comprising: The forming tool (212), the external turning tool (213), the threading tool (314) and the first tool holder (111) are characterized in that: the upper end of the first tool holder (111) is equipped with a connecting post (211), the forming tool (212) is fixedly connected to the upper end of the connecting post (211), the forming tool (212) is arranged in a mountain shape, and the upper end of the forming tool (212) is provided with a small hole machining tool; The external turning tool (213) consists of a second tool holder (215) and an external turning head (216); The thread cutter (314) consists of a connecting block (311) and a tool holder (313).
2. A precision aluminum part machining tool assembly as defined in claim 1, wherein: The first tool holder (111) is connected to the connecting post (211) by bolts, the connecting post (211) is connected to the forming tool (212) by bolts, and the outer circle machining head (216) is bolted to the second tool holder (215).
3. The precision aluminum part machining tool assembly of claim 1, wherein: The connecting block (311) is mounted on the upper end of the handle (320). The connecting block (311) has an installation cavity (312) inside. The installation cavity (312) has a tool holder (313) inside. The tool holder (313) has a thread cutter (314) inside. The thread cutter (314) has four sets.
4. A precision aluminum part machining tool assembly according to claim 3, wherein: The connecting block (311) has a rectangular groove inside, and a chamfering tool (316) is installed in the rectangular groove inside the connecting block (311).
5. A precision aluminum part machining tool assembly as defined in claim 3, wherein: The handle (320) has a first mounting hole (317) inside, and the first mounting hole (317) is located inside the connecting block (311). The tool holder (313) has a second mounting hole (318) inside, and the second mounting hole (318) is located inside the connecting block (311). Fastening bolts are installed inside both the first mounting hole (317) and the second mounting hole (318).
6. A precision aluminum part machining tool assembly as defined in claim 4, wherein: The chamfering tool (316) has a third mounting hole (319) inside. The third mounting hole (319) is opened on a rectangular groove inside the connecting block (311). The connecting block (311) has a third mounting hole (319) inside.