A thread scraper tool with a large length-to-diameter ratio suitable for multiple interfaces

Abstract

This utility model relates to a thread scraper with a large length-to-diameter ratio suitable for multiple interfaces. It solves the technical problems of poor machining accuracy and low machining efficiency of existing thread scrapers. It includes a tool shank body and a tool holder portion disposed at one end of the tool shank body. The end of the tool shank body away from the tool holder portion has a blade mounting notch. A comb-shaped blade extending to the outside of the tool shank body is disposed within the blade mounting notch via a blade mounting structure. The tool shank body has a hollow structure and an axially extending cooling channel inside. One end of the cooling channel extends to the tool holder portion, and the other end extends into the blade mounting notch. The advantages are: the comb-shaped blade allows for simultaneous cutting by multiple teeth, improving chip removal, ensuring machining accuracy, and increasing machining efficiency. The cooling channel and cooling groove ensure effective cooling of the comb-shaped blade, extending its service life. The comb-shaped blade can be fixedly mounted on the tool shank body via the blade mounting assembly, resulting in a simple structure and low equipment cost.

Description

Technical Field

[0001] This utility model belongs to the field of thread cutting tool technology, specifically relating to a thread scraping tool with a large length-to-diameter ratio suitable for multiple interfaces. Background Technology

[0002] In modern mechanical manufacturing, internal threads are a core structural element in the assembly and connection of mechanical parts. Their machining quality and efficiency directly determine the overall performance and production cycle of the product. Most existing internal thread machining tools use taps and thread milling cutters. Taps require multiple feeds and typically can only machine one type of thread; changing threads necessitates frequent tool changes, reducing machining efficiency. Furthermore, taps have poor chip removal during machining, easily affecting machining accuracy. Thread milling cutters, on the other hand, are highly dependent on machine tool precision, increasing equipment costs. Moreover, thread milling cutters require helical interpolation for tooth-by-tooth milling, resulting in long paths and lower machining efficiency when machining large pitch or deep threads. Summary of the Invention

[0003] The purpose of this invention is to address the above-mentioned problems by providing a thread scraping tool with a large length-to-diameter ratio suitable for multiple interfaces.

[0004] To achieve the above objectives, the present invention adopts the following technical solution: A thread scraper with a large length-to-diameter ratio suitable for multiple interfaces includes a shank body and a shank portion disposed at one end of the shank body. The end of the shank body away from the shank portion has a blade mounting notch. A comb-shaped blade extending to the outside of the shank body is disposed within the blade mounting notch through a blade mounting structure. The shank body has a hollow structure and an axially extending cooling channel inside. One end of the cooling channel extends to the shank portion and the other end extends into the blade mounting notch. The blade mounting notch facilitates the placement of the comb-shaped blade, and the blade mounting structure ensures the connection stability between the comb-shaped blade and the shank body. The cooling channel facilitates the cooling of the comb-shaped blade, thereby improving its service life.

[0005] In the aforementioned thread scraping tool with a large length-to-diameter ratio and multiple interfaces, the comb-shaped insert has several sequentially arranged teeth on one side, and the teeth extend through the insert mounting notch to the outside of the tool holder. The teeth facilitate workpiece trimming and provide good chip removal, ensuring workpiece machining accuracy. Furthermore, the tool can perform synchronous cutting with multiple teeth, improving machining efficiency.

[0006] In the aforementioned thread scraping tool with a large length-to-diameter ratio and multiple interfaces, the blade mounting structure includes a mounting platform at the bottom of the blade mounting notch. The mounting platform is provided with a blade mounting groove. The comb-shaped blade is fixed in the blade mounting groove by a blade mounting assembly. The blade mounting groove facilitates the installation and placement of the comb-shaped blade, and the blade mounting assembly ensures the installation stability of the comb-shaped blade in the blade mounting groove.

[0007] In the aforementioned thread scraping tool with a large length-to-diameter ratio and multiple interfaces, one side of the blade mounting groove extends through the outer side of the tool holder body, and the outer side of the comb-shaped blade is flush with the mounting platform. This facilitates the overflow of the cooling channel to cool the entire comb-shaped blade, ensuring the cooling effect of the comb-shaped blade and improving its service life.

[0008] In the aforementioned thread scraping tool with a large length-to-diameter ratio and multiple interfaces, the blade mounting assembly includes several blade positioning holes disposed in the blade mounting groove and penetrating the outer side of the tool holder body. The comb-shaped blade is provided with several blade mounting holes that correspond one-to-one with the blade positioning holes. The blade mounting holes are connected to the blade positioning holes by blade mounting bolts. The blade positioning holes and blade mounting holes enable the comb-shaped blade to be fixedly connected to the tool holder body by the blade mounting bolts, ensuring connection stability.

[0009] In the aforementioned thread scraping tool with a large length-to-diameter ratio and multiple interfaces, the cooling channel is formed at the center of the tool holder. One end of the cooling channel axially penetrates the inner side of the tool holder away from the tool holder, and the other end of the cooling channel is connected to the connecting groove located on the mounting platform. The cooling groove can guide the cooling body in the cooling channel to the comb-shaped blade, so that the cooling body flows on the comb-shaped blade, ensuring the overall cooling effect of the comb-shaped blade.

[0010] In the aforementioned thread scraping tool with a large length-to-diameter ratio and multiple interfaces, the tool holder can be any one of the following: HSK standard interface tool holder, CAPTO standard tool holder, BT tool holder, and BBT tool holder. Different standard tool holders can be selected according to usage requirements, thereby improving the user experience.

[0011] In the aforementioned thread scraping tool with a large length-to-diameter ratio and multiple interfaces, the tool holder and the tool shank body are coaxially arranged, which can improve machining stability and ensure machining accuracy.

[0012] In the aforementioned thread scraping tool with a large length-to-diameter ratio and multiple interfaces, the end face of the tool shank body away from the tool holder has a tail center hole. The tail center hole is tapered and coaxially arranged with the tool shank body. The tail center hole facilitates positioning with the center point, and the center point can improve the rigidity of the tool shank body and ensure the machining effect.

[0013] In the aforementioned thread scraper tool with a large length-to-diameter ratio and multiple interfaces, the bottom of the tail center hole is provided with a connecting hole that communicates with the tail center hole, and the connecting hole is connected to a connecting groove provided on one side of the mounting platform. This allows the connecting groove to allow the cooling material to flow through the connecting hole into the tail center hole, thereby cooling the tip and improving the tip's service life.

[0014] Compared with existing technologies, the advantages of this utility model are:

[0015] 1. Comb-shaped inserts enable simultaneous cutting of multiple teeth, improve chip removal, ensure machining accuracy, and increase machining efficiency.

[0016] 2. The cooling channels and cooling tanks ensure effective cooling of the comb-shaped blades and extend their service life.

[0017] 3. The comb-shaped blade can be fixedly mounted on the blade holder body through the blade mounting assembly, which has a simple structure and low equipment cost. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of this utility model.

[0019] Figure 2 This is an exploded view of the structure of this utility model.

[0020] Figure 3 This is a structural cross-sectional view of the present invention.

[0021] In the figure: 1. Tool holder body, 11. Blade mounting notch, 12. Cooling channel, 13. Tail center hole, 131. Connecting hole, 2. Tool holder, 3. Blade mounting structure, 31. Mounting platform, 31. Cooling groove, 311. Connecting groove, 312. Blade mounting groove, 32. Comb-shaped blade, 4. Toothed part, 41. Blade mounting assembly, 5. Blade positioning hole, 51. Blade mounting hole, 52. Detailed Implementation

[0022] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0023] like Figure 1 , Figure 2 , Figure 3As shown, this is a thread scraper with a large length-to-diameter ratio suitable for multiple interfaces, including a tool shank body 1 and a tool holder 2 disposed at one end of the tool shank body 1. The end of the tool shank body 1 away from the tool holder 2 has a blade mounting notch 11. A comb-shaped blade 4 extending to the outside of the tool shank body 1 is disposed in the blade mounting notch 11 through a blade mounting structure 3. The tool shank body 1 has a hollow structure and has an axially extending cooling channel 12 inside. One end of the cooling channel 12 extends to the tool holder 2 and the other end extends into the blade mounting notch 11. The blade mounting notch 11 facilitates the placement of the comb-shaped blade 4, and the blade mounting structure 3 ensures the connection stability between the comb-shaped blade 4 and the tool shank body 1. The cooling channel 12 facilitates the cooling of the comb-shaped blade 4, thereby improving the service life of the comb-shaped blade 4.

[0024] Specifically, the comb-shaped insert 4 has several sequentially arranged toothed portions 41 on one side, and the toothed portions 41 extend through the insert mounting notch 11 to the outside of the tool holder body 1. The toothed portions 41 facilitate the trimming of the workpiece and have a good chip removal effect, ensuring the machining accuracy of the workpiece. Furthermore, they can perform synchronous cutting through multiple teeth, thereby improving machining efficiency.

[0025] The blade mounting structure 3 includes a mounting platform 31 located at the bottom of the blade mounting notch 11. The mounting platform 31 is provided with a blade mounting groove 32. The comb-shaped blade 4 is fixed in the blade mounting groove 32 by the blade mounting assembly 5. The blade mounting groove 32 facilitates the installation and placement of the comb-shaped blade 4, and the blade mounting assembly 5 ensures the installation stability of the comb-shaped blade 4 in the blade mounting groove 32.

[0026] like Figure 1 , Figure 2 , Figure 3 As shown, the blade mounting groove 32 extends through the outer side of the blade body 1 on one side, and the outer side of the comb-shaped blade 4 is flush with the mounting platform 31. This facilitates the overflow of the cooling channel 12 to cool the entire comb-shaped blade 4, ensuring the cooling effect of the comb-shaped blade 4 and improving its service life.

[0027] Furthermore, the blade mounting assembly 5 includes several blade positioning holes 51 disposed in the blade mounting groove 32 and penetrating the outside of the tool holder body 1. The comb-shaped blade 4 is provided with several blade mounting holes 52 corresponding one-to-one with the blade positioning holes 51. The blade mounting holes 52 are connected to the blade positioning holes 51 by blade mounting bolts. Through the blade positioning holes 51 and the blade mounting holes 52, the comb-shaped blade 4 can be fixedly connected to the tool holder body 1 by the blade mounting bolts, ensuring connection stability.

[0028] The cooling channel 12 is formed at the center of the tool holder body 1. One end of the cooling channel 12 axially penetrates the inner side of the tool holder part 2 away from the tool holder body 1, and the other end of the cooling channel 12 is connected to the cooling groove 311 located on the mounting platform 31. The cooling body in the cooling channel 12 can be guided to the comb-shaped blade 4 through the cooling groove 311, so that the cooling body flows on the comb-shaped blade 4, ensuring the overall cooling effect of the comb-shaped blade 4.

[0029] Combination Figure 1 , Figure 3 As shown, the tool holder 2 can be any one of the following: HSK standard interface tool holder, CAPTO standard tool holder, BT tool holder, and BBT tool holder. Users can choose different standard tool holders according to their needs, thus improving the user experience.

[0030] The tool holder 2 is coaxially arranged with the tool shank body 1, which can improve machining stability and ensure machining accuracy.

[0031] Specifically, the end face of the tool holder 1 away from the tool shank 2 has a tail center hole 13. The tail center hole 13 is conical and coaxial with the tool holder 1. The tail center hole 13 facilitates positioning with the center point. The center point can improve the rigidity of the tool holder 1 and ensure the machining effect.

[0032] Combination Figure 3 As shown, the bottom of the tail center hole 13 is provided with a connecting hole 131 that communicates with the tail center hole 13, and the connecting hole 131 is connected to the connecting groove 312 provided on one side of the mounting platform 31. This allows the connecting groove 312 to allow the cooling material to flow through the connecting hole 131 into the tail center hole 13, thereby cooling the tip and improving the tip's service life.

[0033] The principle of this embodiment is that the comb-shaped blade 4 is fixedly installed in the blade mounting groove 32 by the blade mounting assembly 5, and the comb-shaped blade 4 can be cooled by the cooling channel 12 and the cooling groove 311, which improves the machining stability of the comb-shaped blade 4. The toothed part 41 can perform synchronous cutting through multiple teeth, which improves the machining efficiency and has a good chip removal effect, which can ensure the machining accuracy.

[0034] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.

[0035] Although this document frequently uses terms such as tool holder body 1, blade mounting notch 11, cooling channel 12, tail center hole 13, connecting hole 131, tool shank 2, blade mounting structure 3, mounting platform 31, cooling groove 311, connecting groove 312, blade mounting groove 32, comb-shaped blade 4, toothed part 41, blade mounting assembly 5, blade positioning hole 51, and blade mounting hole 52, the possibility of using other terms is not excluded. These terms are used merely for the convenience of describing and explaining the essence of this utility model; interpreting them as any additional limitation would contradict the spirit of this utility model.

Claims

1. A thread scraper with a large length-to-diameter ratio suitable for multiple interfaces, comprising a shank body (1) and a shank portion (2) disposed at one end of the shank body (1), characterized in that, The tool holder (1) has a blade mounting notch (11) at one end away from the tool handle (2). A comb-shaped blade (4) extending to the outside of the tool holder (1) is provided in the blade mounting notch (11) through the blade mounting structure (3). The tool holder (1) has a hollow structure and has an axially extending cooling channel (12) inside. One end of the cooling channel (12) extends to the tool handle (2) and the other end extends into the blade mounting notch (11).

2. A thread scraper tool with a large length-to-diameter ratio suitable for multiple interfaces as described in claim 1, characterized in that, The comb-shaped blade (4) has a plurality of sequentially arranged teeth (41) on one side, and the teeth (41) protrude through the blade mounting notch (11) to the outside of the blade holder body (1).

3. A thread scraper with a large length-to-diameter ratio suitable for multiple interfaces as described in claim 1 or 2, characterized in that, The blade mounting structure (3) includes a mounting platform (31) set at the bottom of the blade mounting notch (11), and a blade mounting groove (32) is provided on the mounting platform (31). The comb-shaped blade (4) is fixed in the blade mounting groove (32) by the blade mounting assembly (5).

4. A thread scraper tool with a large length-to-diameter ratio suitable for multiple interfaces according to claim 3, characterized in that, The blade mounting groove (32) extends through the outside of the blade holder body (1) on one side, and the outer side of the comb-shaped blade (4) is flush with the mounting platform (31).

5. A thread scraper tool with a large length-to-diameter ratio suitable for multiple interfaces according to claim 3, characterized in that, The blade mounting assembly (5) includes several blade positioning holes (51) disposed in the blade mounting groove (32) and penetrating the outside of the blade shank body (1). The comb-shaped blade (4) is provided with several blade mounting holes (52) corresponding one-to-one with the blade positioning holes (51). The blade mounting holes (52) are connected to the blade positioning holes (51) by blade mounting bolts.

6. A thread scraper tool with a large length-to-diameter ratio suitable for multiple interfaces according to claim 3, characterized in that, The cooling channel (12) is formed at the center of the tool holder body (1). One end of the cooling channel (12) axially penetrates the end of the tool holder part (2) away from the tool holder body (1) and is circumferentially inward. The other end of the cooling channel (12) is connected to the cooling groove (311) located on the mounting platform (31).

7. A thread scraper tool with a large length-to-diameter ratio suitable for multiple interfaces according to claim 1, characterized in that, The tool holder (2) is any one of the following: HSK standard interface tool holder, CAPTO standard tool holder, BT tool holder, and BBT tool holder.

8. A thread scraper tool with a large length-to-diameter ratio suitable for multiple interfaces according to claim 1, characterized in that, The tool holder (2) is coaxially arranged with the tool bar body (1).

9. A thread scraper tool with a large length-to-diameter ratio suitable for multiple interfaces according to claim 3, characterized in that, The end face of the tool holder (1) away from the tool handle (2) has a tail center hole (13), which is conical and coaxial with the tool holder (1).

10. A thread scraper with a large length-to-diameter ratio suitable for multiple interfaces according to claim 9, characterized in that, The bottom of the tail center hole (13) is provided with a connecting hole (131) that communicates with the tail center hole (13), and the connecting hole (131) is connected with a connecting groove (312) provided on one side of the mounting platform (31).

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