Spiral boring cutter

By designing a spiral boring tool and combining a boring head, a limiting groove, and a cooling assembly, the problem of tool thermal deformation in traditional boring processes is solved, achieving high-precision and high-efficiency machining results.

CN223670233UActive Publication Date: 2025-12-16CHANG ZHOU SHI ZHI WEI TOOL CO LTD
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Patent Information

Application Number
CN202422759645.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-13
Publication Date
2025-12-16
Estimated Expiration
2034-11-13

AI Technical Summary

Technical Problem

Traditional boring methods are difficult to meet the requirements of high-precision and high-efficiency machining, and the rise in tool temperature leads to thermal deformation, which affects machining accuracy.

Method used

A spiral boring tool was designed, which adopts a combination structure of boring head, limiting groove and cooling component. The inclined groove and limiting groove ensure the stable installation of the tool block, and the cooling component cools and lubricates the tool block to form a closed coolant circulation system.

Benefits of technology

It improves machining stability and efficiency, reduces the impact of thermal deformation, extends tool life, and enhances machining quality and efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223670233U_ABST
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Abstract

The utility model relates to the technical field of boring cutters, and discloses a spiral boring cutter which is characterized in that a boring head is mounted at the outer end of the cutter, a mounting groove is formed in the position, corresponding to a cutter block, of the surface of the boring head, the cutter block is mounted in the mounting groove, a fixing bolt is fixedly mounted in the center of the cutter block, and the fixing bolt penetrates through the surface of the cutter block to be connected with the boring head; a limiting groove is formed in the end, corresponding to the cutter block, of the surface of the inclined groove. Due to the stable installation of the boring head and the cutter block and the built-in balance mechanism, vibration of a cutter in the high-speed rotating process is reduced, machining stability is improved, due to the introduction of the cooling assembly, the temperature of a cutting area is effectively reduced, the influence of thermal deformation on machining precision is reduced, cooling liquid has the cooling effect and the lubricating function, and the service life of the cutter is prolonged. The cutting force is reduced, the service life of the cutter is prolonged, so that the machining efficiency is improved, the cutter is more convenient to replace and adjust due to the modular design, and the downtime is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to boring cutter technical field, concretely is a spiral boring cutter. BACKGROUND

[0002] In the field of mechanical processing, with the rapid development of manufacturing industry, the requirement of processing precision, efficiency and cost is higher and higher, the traditional boring processing mode is not capable of coping with the processing demand of high precision and high efficiency, and the rapid rise of tool temperature in the processing process leads to thermal deformation, thereby influencing the precision of processing, therefore, we provide a spiral boring cutter. CONTENT OF THE UTILITY MODEL

[0003] In view of the deficiency of prior art, the utility model provides a spiral boring cutter, solves the above -mentioned problem.

[0004] In order to realize the above -mentioned purpose, the utility model provides the following technical scheme: a spiral boring cutter, including the rear end installation clamping block of boring cutter body, the lower half portion of boring cutter body installs installation support, the front end of boring cutter body installs tool, the front end of tool installs tool block, still include;:

[0005] Limiting groove, boring head is installed to the outer end of tool, and the position corresponding tool block is set to the surface of boring head, and the tool block is installed in the inside of installation groove, and the center of tool block is fixedly installed fixed bolt, and the surface of fixed bolt is connected with boring head by penetrating tool block, and the end close to boring head of tool is provided with inclined groove, and the surface of inclined groove is provided with limiting groove corresponding to one end of tool block;

[0006] Installation assembly, is installed to one end of tool, is used for the structure of fixed tool block;

[0007] Cooling assembly, is installed in the inside of tool, is used for the structure of cooling tool block.

[0008] Preferably, the side end of the tool block is in a form of abutting with the inner wall of the installation groove, and the limiting groove is in a form of circle.

[0009] Preferably, the upper half portion of the tool is provided with the same installation assembly, and the two installation assemblies are in a form of staggered.

[0010] Preferably, the installation assembly includes boring head, installation groove, fixed bolt, inclined groove and limiting groove, boring head is installed to the outer end of tool, and the position corresponding tool block is set to the surface of boring head, and the tool block is installed in the inside of installation groove, and the center of tool block is fixedly installed fixed bolt, and the surface of fixed bolt is connected with boring head by penetrating tool block, and the end close to boring head of tool is provided with inclined groove, and the surface of inclined groove is provided with limiting groove corresponding to one end of tool block.

[0011] Preferably, the cooling assembly comprises a cooling pipe, a lubricating groove, a conveying pipe, an auxiliary support and a connecting pipe, the cooling pipe is arranged at one end of the chute, the lubricating groove is arranged on the surface of the chute corresponding to the position of the cooling pipe, the other end of the cooling pipe is fixedly connected with the conveying pipe penetrating through the inside of the cutter, the other end of the conveying pipe extends to the inside of the mounting support and is connected with the auxiliary support, and the other end of the auxiliary support is fixedly connected with the connecting pipe.

[0012] Preferably, the auxiliary support is fixedly connected at the side end of the mounting support.

[0013] Compared with the prior art, the spiral boring cutter has the following beneficial effects:

[0014] 1. The stable mounting of the boring head and the cutter block and the built-in balancing mechanism reduce the vibration of the cutter during high-speed rotation and improve the processing stability.

[0015] 2. The introduction of the cooling assembly effectively reduces the temperature of the cutting area, reduces the influence of thermal deformation on the machining precision, and the cooling liquid not only has a cooling effect but also has a lubricating function, reduces the cutting force, prolongs the service life of the cutter, and thus improves the machining efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a schematic view of the utility model;

[0017] Figure 2 is the utility model Figure 1 is a schematic view of the utility model at A;

[0018] Figure 3 is a schematic view of the cooling assembly of the utility model;

[0019] Figure 4 is a top view of the cooling assembly of the utility model.

[0020] In the figure: 1, boring cutter body; 2, clamp block; 3, mounting support; 4, cutter; 5, cutter block; 6, boring head; 7, mounting groove; 8, fixing bolt; 9, chute; 10, limiting groove; 11, cooling pipe; 12, lubricating groove; 13, conveying pipe; 14, auxiliary support; 15, connecting pipe; 16, boring head screw. DETAILED DESCRIPTION

[0021] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application.

[0022] Please refer to Figures 1-3 The utility model provides a spiral boring tool, including the rear end installation clamping block 2 of boring tool body 1, the lower half part installation installation support 3 of boring tool body 1, the front end installation tool 4 of boring tool body 1, the front end installation tool block 5 of tool 4, still include: limiting groove, tool 4 installs boring head 6 on the outer end, and boring head 6 surface corresponds the position of tool block 5 and sets up installation groove 7, and tool block 5 is installed in installation groove 7, and the center of tool block 5 is fixedly installed fixed bolt 8, and fixed bolt 8 penetrates the surface of tool block 5 and is connected with boring head 6, and the end close to boring head 6 of tool 4 sets up inclined slot 9, and the surface of inclined slot 9 corresponds the end of tool block 5 and sets up limiting groove 10, installation assembly, install in the end of tool 4, for the structure of fixed tool block 5, cooling assembly, install in the inside of tool 4, for the structure of cooling tool block 5, boring head 6 passes through installation groove 7 and fixed bolt 8 and stably installs tool block 5 in the front end of tool 4. Inclined slot 9 and limiting groove 10 jointly act, ensure the axial positioning accuracy of tool block 5 in the cutting process, in the cutting process, cooling liquid is sprayed out from cooling pipe 11, after passing through lubricating groove 12, is directly sprayed to cutting area, and tool block 5 and workpiece are cooled and lubricated, which helps to reduce the temperature of cutting area, reduce tool wear, improve cutting efficiency and machining quality.

[0023] Further, the side end of the tool block 5 is arranged in a close-fitting manner with the inner wall of the installation groove 7, and the limiting groove 10 is arranged in a circular shape. The tool block 5 is installed in the inside of the installation groove 7, and the limiting groove 10 fixes one end of the tool block 5.

[0024] Further, the upper half of the tool 4 is provided with the installation assembly, and the two installation assemblies are arranged in a staggered manner. The tool block 5 is fixed on the tool 4 through the installation assembly. The two tool blocks 5 are arranged in a staggered manner.

[0025] Further, the installation assembly comprises the boring head 6, the installation slot 7, the fixing bolt 8, the inclined slot 9 and the limiting slot 10, the boring head 6 is arranged at the outer end of the cutter 4, the installation slot 7 is arranged on the surface of the boring head 6 corresponding to the position of the cutter block 5, the cutter block 5 is arranged in the installation slot 7, the fixing bolt 8 is fixedly arranged at the center of the cutter block 5, the fixing bolt 8 is connected with the boring head 6 by penetrating the surface of the cutter block 5, the inclined slot 9 is arranged at the end of the cutter 4 close to the boring head 6, the limiting slot 10 is arranged on the surface of the inclined slot 9 corresponding to the end of the cutter block 5, the boring cutter body 1 is fixed on the machine tool by the clamping block 2, the installation support 3 provides additional support and stability, the cutter block 5 is stably arranged at the front end of the cutter 4 by the boring head 6, the installation slot 7 and the fixing bolt 8, the inclined slot 9 and the limiting slot 10 jointly ensure the axial positioning accuracy of the cutter block 5 in the cutting process.

[0026] Further, the cooling assembly comprises the cooling pipe 11, the lubricating slot 12, the conveying pipe 13, the auxiliary support 14 and the connecting pipe 15, the cooling pipe 11 is arranged at the inner end of the inclined slot 9, the lubricating slot 12 is arranged on the surface of the inclined slot 9 corresponding to the position of the cooling pipe 11, the other end of the cooling pipe 11 is fixedly connected with the conveying pipe 13 by penetrating the inside of the cutter 4, the other end of the conveying pipe 13 extends to the inside of the installation support 3 and is connected with the auxiliary support 14, the other end of the auxiliary support 14 is fixedly connected with the connecting pipe 15, the cooling pipe 11 in the cooling assembly is connected with the auxiliary support 14 and the connecting pipe 15 through the conveying pipe 13, forming a closed cooling liquid circulation system, in the cutting process, the cooling liquid is sprayed out from the cooling pipe 11, directly sprayed to the cutting area after passing through the lubricating slot 12, cooling and lubricating the cutter block 5 and the workpiece, which helps to reduce the temperature of the cutting area, reduce the tool wear, improve the cutting efficiency and machining quality.

[0027] Further, the auxiliary support 14 is fixedly connected at the side end of the installation support 3, and the auxiliary support 14 is used for supporting the fixed connecting pipe 15.

[0028] Working principle: when the main shaft of the machine tool rotates, it drives the boring cutter body 1 and the tool 4 to rotate, the tool block 5 at the front end of the tool 4 contacts the surface of the workpiece to be processed, while the main shaft is rotating, the feeding system of the machine tool controls the tool 4 to feed along the axis direction of the workpiece, so that the tool block 5 gradually cuts the workpiece material to form the required hole or inner surface shape, by adjusting the installation accuracy of the tool 4 and the tool block 5, and the feeding speed and cutting depth of the machine tool, the machining precision and surface quality are controlled, the clamping block 2 fixes the boring cutter body 1 on the machine tool, and the mounting bracket 3 provides additional support and stability, the boring head 6 stably installs the tool block 5 at the front end of the tool 4 through the installation slot 7 and the fixing bolt 8, the inclined slot 9 and the limiting slot 10 jointly act to ensure the axial positioning accuracy of the tool block 5 during cutting, the cooling pipe 11 in the cooling assembly is connected with the auxiliary support 14 and the connecting pipe 15 through the conveying pipe 13, forming a closed cooling liquid circulation system, during cutting, the cooling liquid is sprayed out from the cooling pipe 11, directly sprayed to the cutting area after passing through the lubricating groove 12, cooling and lubricating the tool block 5 and the workpiece, which helps to reduce the temperature of the cutting area, reduce tool wear, improve cutting efficiency and machining quality,

[0029] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A spiral boring tool comprising a rear end mounting block (2) of a boring tool body (1), a lower half of the boring tool body (1) is mounted with a mounting bracket (3), a front end of the boring tool body (1) is mounted with a tool (4), a front end of the tool (4) is mounted with a tool block (5), characterized in that, Also includes: The limit groove, the cutter (4) installs the boring head (6) on the outer end, and the boring head (6) surface is set up the installation groove (7) corresponding the position of cutter block (5), and the cutter block (5) is installed in the inside of installation groove (7), and the fixed mounting fixed bolt (8) is installed at the center of cutter block (5), and fixed bolt (8) is connected with boring head (6) through the surface of cutter block (5), and the end of cutter (4) near boring head (6) is set up inclined groove (9), and the limit groove (10) is set up on the surface of inclined groove (9) corresponding one end of cutter block (5); The installation assembly is installed at one end of cutter (4), and is used for fixing the structure of cutter block (5); Cooling assembly, installed in the inside of cutter (4), for cooling cutter block (5) structure.

2. A helical boring tool according to claim 1, wherein: The side end of the cutter block (5) is arranged in a manner of abutting with the inner wall of the installation groove (7), and the limit groove (10) is arranged in a circular shape.

3. A helical boring tool according to claim 1, wherein: The upper half of the cutter (4) is provided with the same installation assembly, and the two installation assemblies are arranged in a staggered manner.

4. A helical boring tool according to claim 1, wherein: The installation assembly includes boring head (6), installation groove (7), fixed bolt (8), inclined groove (9) and limit groove (10), the cutter (4) is installed on the outer end of boring head (6), and the boring head (6) surface is set up installation groove (7) corresponding the position of cutter block (5), and the cutter block (5) is installed in the inside of installation groove (7), and the fixed bolt (8) is fixedly installed at the center of cutter block (5), and the fixed bolt (8) is connected with boring head (6) through the surface of cutter block (5), and the end of cutter (4) near boring head (6) is set up inclined groove (9), and the limit groove (10) is set up on the surface of inclined groove (9) corresponding one end of cutter block (5).

5. A helical boring tool according to claim 1, wherein: The cooling assembly includes cooling pipe (11), lubrication groove (12), conveying pipe (13), auxiliary support (14) and connecting pipe (15), the cooling pipe (11) is set up on the inner end of inclined groove (9), and the lubrication groove (12) is set up on the surface of inclined groove (9) corresponding the position of cooling pipe (11), and the other end of cooling pipe (11) is fixedly connected with conveying pipe (13) through the inside of cutter (4), and the other end of conveying pipe (13) extends to the inside of installation support (3) and is connected with auxiliary support (14), and the other end of auxiliary support (14) is fixedly connected with connecting pipe (15).

6. A helical boring tool according to claim 5, wherein: The auxiliary support (14) is fixedly connected to the side end of the installation support (3).