Annular groove structure inner and outer diameter boring cutter holder conversion device and use method

Abstract

The invention provides a ring groove structure inner and outer diameter boring cutter holder conversion device and a use method. The device comprises a numerical control machine tool, a boring cutter holder and a boring cutter holder, the boring cutter handle is connected with the numerical control machine tool; the fine boring head is connected with the boring cutter handle; the adapter tool holder is connected with the fine boring head; the straight clamping sleeve is connected with the adapter tool holder; and the alloy boring cutter is connected with the straight cylinder jacket. According to the ring groove structure inner and outer diameter boring machining system and the using method, the structure is simple, universality and interchangeability are high, and machining of ring grooves of different structures is met.

Description

Technical Field

[0001] This application belongs to the field of mechanical manufacturing and processing technology, and in particular relates to a device for changing the inner and outer diameter boring tool holders with an annular groove structure and its usage method. Background Technology

[0002] With the technological upgrades of engines, core components of new energy vehicles, and precision hydraulic systems, the annular groove structures involved in the external interfaces of products are gradually developing towards multiple sizes, multiple cross sections, and high precision.

[0003] At present, due to the different inner and outer diameter structures of the product ring groove, the "one groove, one tool" customization mode is usually adopted. Customized special tools involve a variety of tool components such as flange seat, base frame, and balance block. The production cost is high and the cycle is long, which seriously affects the product production and delivery schedule. Moreover, due to the poor versatility and interchangeability of special tools, after the special tools are worn out, new tools need to be ordered again, which further increases the enterprise's management costs. Summary of the Invention

[0004] The purpose of this invention is to provide a simple, versatile, and highly interchangeable boring system and method for the inner and outer diameters of ring groove structures, which can meet the needs of ring groove machining of different structures.

[0005] In a first aspect, this application provides a tool holder conversion device for inner and outer diameter boring tools with an annular groove structure, the device comprising:

[0006] CNC machine tools; The boring bar holder is connected to the CNC machine tool; A precision boring head, connected to the boring tool holder; An adapter clip is connected to the precision boring head; A straight cylindrical sleeve is connected to the adapter blade holder; An alloy boring tool is connected to the straight cylindrical sleeve.

[0007] Preferably, the adapter clip has a circular positioning boss with a positioning groove.

[0008] Preferably, the positioning groove on the circular positioning boss of the adapter tool holder is a wedge-shaped groove with a width of 8mm, a wedge angle of 14°, and a depth of 2mm, which fits tightly with the positioning boss of the precision boring head.

[0009] Preferably, the adapter clip has a φ16 positioning hole at its center for mounting a straight sleeve.

[0010] Preferably, the top surface of the adapter clip has a cross-shaped angular line passing through the center for clamping the tool at a fixed angle.

[0011] Preferably, the adapter clip is made of stainless steel or cemented carbide, with a quenching hardness of HRC58-62, and the surface treatment is passivation and nickel plating.

[0012] Preferably, the edges of the adapter blade clamp are rounded to R3-R5.

[0013] Secondly, this application also provides a method for using a ring groove structure inner and outer diameter boring tool holder conversion device, the method comprising: 1. Selecting a precision boring head: Select a suitable precision boring head based on the different ranges of inner and outer diameter dimensions of the ring groove being machined; 2. Install the adapter clip: The positioning boss and wedge-shaped positioning groove of the adapter clip are fitted into the precision boring head and tightened with screws; 3. Install the clamp: Insert the straight clamp into the center positioning hole of the adapter block, with the opening of the straight clamp visually perpendicular to the tightening direction of the fastening screws on the side of the adapter block; 4. Install the carbide boring tool: Select a suitable carbide boring tool according to the inner and outer diameter and depth of the ring groove. When machining the outer diameter of the ring groove, the boring tool tip should face outward and the cutting edge should be visually aligned with the angular line of the adapter block. When machining the inner diameter of the ring groove, the boring tool tip should face inward and the cutting edge should be visually aligned with the angular line of the adapter block. Tighten the three fastening screws on the side of the adapter block. V. Boring: When machining the outer diameter of the ring groove, the machining center spindle M03 rotates clockwise; when machining the inner diameter of the ring groove, the machining center spindle M04 rotates clockwise. The CNC program is run to complete the ring groove machining.

[0014] The beneficial technical effects of this application are as follows: This invention provides a simple, versatile, and highly interchangeable boring system and method for the inner and outer diameters of ring groove structures, which can meet the needs of ring groove machining of different structures. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. The drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a schematic diagram of the structure of the device provided by the present invention; Figure 2 This is a schematic diagram of the adapter tool holder; Among them: 1-CNC machine tool, 2-boring tool holder, 3-precision boring head, 4-adapter tool holder, 5-straight sleeve, 6-carbide boring tool. Detailed Implementation

[0017] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0018] The features and illustrative embodiments of various aspects of the present invention will now be described in detail. Numerous specific details are set forth in the following detailed description to provide a thorough understanding of the invention. However, it will be apparent to those skilled in the art that the invention may be practiced without requiring some of these specific details. The following description of embodiments is merely intended to provide a better understanding of the invention by illustrating examples of the invention. The invention is by no means limited to any specific setups and methods set forth below, but covers any improvements, substitutions, and modifications to structures, methods, and devices without departing from the spirit of the invention. Well-known structures and techniques are not shown in the drawings and the following description to avoid unnecessarily obscuring the invention.

[0019] In the description of this invention, it should be noted that the directions or positional relationships indicated by terms such as "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer" are based on the directions or positional relationships shown in the accompanying drawings and are only for the convenience of describing and simplifying the invention, and should not be construed as limiting the invention. Furthermore, the use of ordinal numbers (e.g., "first and second," etc.) is for distinguishing objects and is not limited to this order, and should not be construed as indicating or implying relative importance.

[0020] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly, encompassing both direct connection and indirect connection via an intermediate medium. Those skilled in the art can understand the specific meaning of these terms in this invention based on the specific circumstances.

[0021] It should be noted that, unless otherwise specified, the embodiments of the present invention and the features thereof can be combined with each other, and the various embodiments can be referenced and cited in each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0022] The following is a description of the embodiments and appendices. Figure 1 -Appendix Figure 2 The present invention will be described in further detail, but the embodiments of the present invention are not limited thereto.

[0023] The technical solution of the present invention is a boring system for inner and outer diameters of a ring groove structure, characterized in that it includes a CNC machine tool 1, a boring bar 2, a precision boring head 3, an adapter 4, a straight sleeve 5, and an alloy boring tool 6.

[0024] The CNC machine tool 1 is a general-purpose CNC machining center.

[0025] The boring bar holder 2 is a general-purpose boring bar holder.

[0026] The precision boring head 3 is a general-purpose precision boring head.

[0027] The adapter clip 4 has a circular positioning boss with a positioning groove.

[0028] The positioning groove on the circular positioning boss of the adapter tool holder 4 is a wedge-shaped groove with a width of 8mm, a wedge angle of 14°, and a depth of 2mm, which fits tightly with the positioning boss of the brand precision boring head.

[0029] The adapter clip 4 has a stepped positioning hole, which is used to fasten the tool to the precision boring head with screws.

[0030] The adapter clip 4 has 3 fastening screws.

[0031] The adapter clip 4 has three M6 screw holes on its side for installing three fastening screws.

[0032] The adapter clip 4 has a φ16 positioning hole in the center for installing a branded straight sleeve.

[0033] The top surface of the adapter tool holder 4 has a cross-shaped angular line passing through the center, which is used to clamp the tool at a fixed angle.

[0034] The adapter clip 4 is made of stainless steel or cemented carbide, with a quenching hardness of HRC58-62, and the surface treatment is passivation and nickel plating.

[0035] The adapter clip has four rounded edges R3-R5.

[0036] The straight sleeve 5 is a general-purpose straight sleeve.

[0037] The alloy boring tool 6 is a general-purpose alloy boring tool.

[0038] like Figure 1 , Figure 2As shown, a boring system and method for machining the inner and outer diameters of annular grooves are disclosed, including a CNC machine tool, a boring bar holder, a precision boring head, an adapter tool holder, a straight collet, and a carbide boring tool. The CNC machine tool, boring bar holder, precision boring head, straight collet, and carbide boring tool are general-purpose components. The adapter tool holder has a positioning boss and a wedge-shaped positioning groove, while the positioning block has a stepped positioning hole. The adapter tool holder and precision boring head are engaged through the positioning boss and wedge-shaped positioning groove, and secured with screws. The adapter tool holder has a φ16 positioning hole in its center for installing a general-purpose straight collet. The carbide boring tool is inserted into the straight collet. Depending on the inner and outer diameters of the annular groove being bored, the boring tool tip is adjusted to face outwards or inwards, aligning the cutting edge with the angular line of the positioning block. The three M6 fastening screws on the side are then tightened to install the carbide boring tool.

[0039] The specific operating steps are as follows: 1. Select a precision boring head. Choose a suitable precision boring head based on the different ranges of inner and outer diameter dimensions of the ring groove being machined.

[0040] 2. Install the adapter tool holder. The positioning boss and wedge-shaped positioning groove of the adapter tool holder are fitted into the precision boring head and tightened with screws.

[0041] 3. Install the clamp. Insert the straight clamp into the center positioning hole of the adapter block, with the opening of the straight clamp visually perpendicular to the tightening direction of the fastening screws on the side of the adapter block.

[0042] 4. Install the carbide boring bar. Select a suitable carbide boring bar based on the inner and outer diameters and depth of the ring groove. When machining the outer diameter of the ring groove, the boring bar tip should face outwards, and the cutting edge should be visually aligned with the angular line of the adapter block. When machining the inner diameter of the ring groove, the boring bar tip should face inwards, and the cutting edge should be visually aligned with the angular line of the adapter block. Tighten the three fastening screws on the side of the adapter block.

[0043] V. Boring. When machining the outer diameter of the ring groove, the machining center spindle M03 rotates clockwise. When machining the inner diameter of the ring groove, the machining center spindle M04 rotates clockwise. Run the CNC program to complete the ring groove machining.

[0044] The above detailed embodiments are a description of the present invention. It should not be considered that the specific embodiments of the present invention are limited to these descriptions. For those skilled in the art, several simple deductions and substitutions can be made without departing from the concept of the present invention, and all of these should be considered to fall within the protection scope of the present invention.

Claims

1. A device for changing the inner and outer diameter boring tool holders with an annular groove structure, characterized in that, The device includes: CNC machine tools; The boring bar holder is connected to the CNC machine tool; A precision boring head, connected to the boring tool holder; An adapter clip is connected to the precision boring head; A straight cylindrical sleeve is connected to the adapter blade holder; An alloy boring tool is connected to the straight cylindrical sleeve.

2. The apparatus according to claim 1, characterized in that, The adapter tool holder has a circular positioning boss with a positioning groove.

3. The apparatus according to claim 2, characterized in that, The positioning groove on the circular positioning boss of the adapter tool holder is a wedge-shaped groove with a width of 8mm, a wedge angle of 14°, and a depth of 2mm, which fits tightly with the positioning boss of the precision boring head.

4. The apparatus according to claim 3, characterized in that, The adapter clip has a φ16 positioning hole in the center for installing a straight sleeve.

5. The apparatus according to claim 4, characterized in that, The top surface of the adapter clip has a crosshair line passing through the center, which is used to clamp the tool at a fixed angle.

6. The apparatus according to claim 5, characterized in that, The adapter clip is made of stainless steel or cemented carbide, with a quenching hardness of HRC58-62, and the surface treatment is passivation and nickel plating.

7. The apparatus according to claim 6, characterized in that, The edges of the adapter blade clamp are rounded to R3-R5.

8. A method for using a boring tool holder conversion device with an inner and outer diameter of an annular groove structure, characterized in that, The method includes:

1. Selecting a precision boring head: Select a suitable precision boring head based on the different ranges of inner and outer diameter dimensions of the ring groove being machined; 2. Install the adapter clip: The positioning boss and wedge-shaped positioning groove of the adapter clip are fitted into the precision boring head and tightened with screws; 3. Install the clamp: Insert the straight clamp into the center positioning hole of the adapter block, with the opening of the straight clamp visually perpendicular to the tightening direction of the fastening screws on the side of the adapter block; 4. Install the carbide boring tool: Select a suitable carbide boring tool according to the inner and outer diameter and depth of the ring groove. When machining the outer diameter of the ring groove, the boring tool tip should face outward and the cutting edge should be visually aligned with the angular line of the adapter block. When machining the inner diameter of the ring groove, the boring tool tip should face inward and the cutting edge should be visually aligned with the angular line of the adapter block. Tighten the three fastening screws on the side of the adapter block. V. Boring: When machining the outer diameter of the ring groove, the machining center spindle M03 rotates clockwise; when machining the inner diameter of the ring groove, the machining center spindle M04 rotates clockwise. The CNC program is run to complete the ring groove machining.

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