A tool for machining a v-groove

Abstract

This utility model relates to the field of cutting tool technology, and in particular to a tool for machining V-grooves. It includes a tool body and a tool shank. The tool shank has a slot at its top. The tool body includes a cutting head and a base, with the base engaging with the slot. The top of the tool shank has several fixing screw holes, each containing a locking bolt. The bottom end of the locking bolt passes through the fixing screw hole and presses against the base. An adjusting screw hole is located on the upper side wall of the tool shank, containing an adjusting bolt that passes through the adjusting screw hole and connects to the base. By designing the tool body and tool shank to engage, the position of the tool body is adjusted using the adjusting bolt, allowing the tool body to move along the axis of the adjusting bolt, changing the position of the cutting head at the top of the tool shank, thereby changing the diameter of the machined annular V-groove. The locking bolts then lock and fix the base of the tool body in place. This split-type structure allows for machining annular V-grooves of different diameters with a single tool, improving machining efficiency and simplifying the adjustment method.

Description

Technical Field

[0001] This utility model relates to the field of cutting tool technology, and in particular to a tool for machining V-grooves. Background Technology

[0002] V-grooves are a common structural feature in machining processes, widely used in the processing of connectors, seals, and other components. Annular V-grooves, in particular, refer to grooves that are arranged in a ring and have a V-shaped cross-section, such as... Figure 15 As shown in the figure Φ D represents the diameter dimension of the annular V-groove. Traditional tools for machining annular V-grooves have a fixed structure, and the diameter of the annular V-groove they machine is often predetermined, making it impossible to flexibly adjust according to different machining requirements. When machining annular V-grooves of different diameters, it is usually necessary to change to tools of different specifications. This not only increases the procurement cost of tools but also reduces machining efficiency. Furthermore, frequent tool changes can easily affect machining accuracy. Therefore, developing a tool that can adjust the diameter of the annular V-groove being machined is of significant practical importance. Utility Model Content

[0003] The purpose of this invention is to provide a cutting tool for machining V-grooves, which can adjust the diameter of the annular V-groove and improve machining efficiency.

[0004] This utility model provides a cutting tool for machining V-grooves, including a tool body and a tool shank. The tool shank has a slot at its top. The tool body includes a cutting head and a base. The base is engaged with the slot. The top of the tool shank has several fixing screw holes. A locking bolt is installed in each fixing screw hole. The bottom end of the locking bolt passes through the fixing screw hole and presses against the base. An adjusting screw hole is provided on the upper part of the side wall of the tool shank. An adjusting bolt is installed in the adjusting screw hole and passes through the adjusting screw hole to connect with the base.

[0005] Furthermore, the slot is a T-shaped slot, and the length of the T-shaped slot is less than the diameter of the tool holder.

[0006] Furthermore, the base of the cutter is a T-shaped block, which includes a first plate and a second plate. The width of the first plate is greater than the width of the second plate. The cutter head is located on top of the second plate. The cutter head, the first plate, and the second plate are integrally formed.

[0007] Furthermore, the bottom of the locking bolt is pressed against the top of the first plate.

[0008] Furthermore, the blade head is triangular in shape; the length of the blade head is less than the length of the T-shaped block.

[0009] Furthermore, the top of the tool holder is provided with a limiting screw hole, which is connected to the adjusting screw hole, and a pressure pin is provided in the limiting screw hole.

[0010] Furthermore, the adjusting bolt includes a nut, one end of which is provided with a screw, the screw including a cylindrical section and a threaded section, a limiting ring being provided at the connection between the cylindrical section and the threaded section, the outer peripheral wall of the cylindrical section, the side wall of the limiting ring and the side wall of the nut forming an annular groove, and the bottom of the pressure pin passing through the limiting screw hole and located in the annular groove.

[0011] Furthermore, the nut, the cylindrical section, and the limiting ring are all located in the adjusting screw hole.

[0012] Furthermore, the pressure nail includes a nail head and a nail body, the outer wall of the nail body is provided with threads, the nail body is a smooth cylinder, the nail head is threadedly connected to the limiting screw hole, and the nail body is located in the annular groove.

[0013] Furthermore, the locking bolt includes a screw head and a stud, the outer peripheral wall of the screw head is threaded, and the stud is a smooth cylinder; the screw head is threadedly connected to the fixing screw hole, the bottom of the stud is pressed against the top of the first plate, and the diameter of the stud is smaller than the diameter of the screw head.

[0014] In summary, compared with the prior art, this utility model has the following advantages: The technical solution provided by this utility model designs the cutter body and the cutter shank to be snap-fitted together. During use, the position of the cutter body is adjusted by the set adjustment bolt, so that the cutter body can move along the axis of the adjustment bolt, changing the position of the cutter head on the cutter shank, thereby changing the diameter of the machined annular V-groove. Then, the base of the cutter body and the cutter shank are locked and fixed by the set locking bolt. The split structure can achieve the purpose of machining annular V-grooves of different diameters with one cutter, which significantly improves the machining efficiency and the adjustment method is simple to operate. Attached Figure Description

[0015] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0016] Figure 1 This is a front sectional view of the cutting tool in an embodiment of this utility model; Figure 2 This is a top view of the cutting tool in an embodiment of this utility model; Figure 3 This is a left sectional view of the cutting tool in an embodiment of this utility model; Figure 4 This is a three-dimensional perspective view of the top of the cutter in an embodiment of this utility model; Figure 5 This is a left view of the blade body in an embodiment of this utility model; Figure 6 This is a front view of the blade body in an embodiment of this utility model; Figure 7 This is a top view of the blade body in an embodiment of this utility model; Figure 8 This is a front sectional view of the tool holder in an embodiment of this utility model; Figure 9 This is a top view of the tool holder in an embodiment of this utility model; Figure 10 This is a left sectional view of the tool holder in an embodiment of this utility model; Figure 11 This is a front view of the locking bolt in an embodiment of this utility model; Figure 12 This is a right view of the locking bolt in an embodiment of this utility model; Figure 13 This is a front view of the adjusting bolt in an embodiment of this utility model; Figure 14 This is a front view of the pressure nail in an embodiment of this utility model; Figure 15 The images show a top view (top) and a front view (bottom) of machining an annular V-groove on a part in the background art.

[0017] Explanation of reference numerals in the attached drawings: 1-Cutter body; 101-Cutter head; 102-First plate; 103-Second plate; 104-Threaded hole; 2-Cutter shank; 201-T-slot; 202-Fixing screw hole; 203-Adjusting screw hole; 204-Limiting screw hole; 3-Locking bolt; 301-Screw head; 302-Screw stud; 4-Adjusting bolt; 401-Nut; 402-Cylindrical section; 403-Threaded section; 404-Limiting ring; 405-Annular groove; 5-Pressure nail; 501-Nail head; 502-Nail body. Detailed Implementation

[0018] The technical solution of this utility model will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0019] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0020] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the stated features. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified. Furthermore, the terms "installed," "connected," and "linked" should be interpreted broadly; for example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0021] Example A cutting tool for machining V-grooves, such as Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, it includes a cutter body 1 and a cutter shank 2. The cutter body 1 and the cutter shank 2 are separate structures, and the cutter body 1 and the cutter shank 2 are snapped together.

[0022] like Figure 5 , Figure 6 and Figure 7As shown, the cutter body 1 includes a cutter head 101 and a base. The base is a T-shaped block, with the end of the T-shaped block furthest from the adjusting bolt 4 being arc-shaped, consistent with the arc shape of the cutter shank 2. The T-shaped block includes a first plate 102 and a second plate 103. The width of the first plate 102 is greater than the width of the second plate 103. The lengths of the first plate 102 and the second plate 103 are the same and their central axes are aligned. The cutter head 101 is located at the top of the second plate 103, furthest from the adjusting bolt 4. The cutter head 101, the first plate 102, and the second plate 103 are integrally formed. The cutter head 101 is triangular in shape, and the cutter head can be designed according to the angle of the V-groove. The length of the cutter head 101 (the length of the base of the triangle) is less than the length of the T-shaped block (the length of the T-shaped block is the horizontal distance between the left and right ends). The length of the T-shaped block is less than the length of the top groove of the cutter shank 2. The right end of the T-block is provided with a threaded hole 104 that connects to the adjusting bolt 4. The center of the threaded hole 104 is located at the connection between the first plate 102 and the second plate 103.

[0023] like Figure 8 , Figure 9 and Figure 10 As shown, the tool holder 2 is cylindrical with a slot at its top, and the base of the tool body 1 engages with the slot. The slot is a T-slot 201, the length of which is less than the diameter of the tool holder 2, and the axis of the T-slot 201 along its length is perpendicular to the central axis of the tool holder 2; the base of the tool body 1 is inserted into the T-slot 201.

[0024] The top of the tool holder 2 is provided with four fixing screw holes 202, and two fixing screw holes 202 are symmetrically provided on each side of the T-slot 201. The fixing screw holes 202 communicate with the T-slot 201, and locking bolts 3 are provided in the fixing screw holes 202. Figure 11 and Figure 12 As shown, the locking bolt 3 includes a screw head 301 and a stud 302. The outer peripheral wall of the screw head 301 is threaded, and the stud 302 is a smooth cylinder. The screw head 301 is threadedly connected to the fixing screw hole 202, and the bottom end of the stud 302 passes through the fixing screw hole 202 and is pressed against the top of the first plate 102. The diameter of the stud 302 is smaller than the diameter of the screw head 301. The locking bolt 3 is used to fix the tool body 1 to the tool shank 2.

[0025] An adjusting screw hole 203 is provided on the upper part of the right side wall of the tool holder 2. The axis of the adjusting screw hole 203 is perpendicular to the axis of the tool holder 2. An adjusting bolt 4 is provided in the adjusting screw hole 203. The right end of the adjusting bolt 4 passes through the adjusting screw hole 203 and is threadedly connected to the threaded hole 104 of the T-block. Figure 13As shown, the adjusting bolt 4 includes a nut 401, one end of which is provided with a screw. The screw includes a cylindrical section 402 and a threaded section 403. A protruding limiting ring 404 is provided at the connection between the cylindrical section 402 and the threaded section 403. The threaded section 403, the cylindrical section 402, and the limiting ring 404 are integrally formed. The nut 401, the cylindrical section 402, and the limiting ring 404 are all located in the adjusting screw hole 203. The outer peripheral wall of the cylindrical section 402, the right side wall of the limiting ring 404, and the left side wall of the nut 401 form an annular groove 405. The position of the tool body 1 on the tool holder 2 is finely adjusted by the adjusting bolt 4 to achieve the required machining dimensions.

[0026] The top of the tool holder 2 is provided with a limiting screw hole 204, the center of which is located on the horizontal center line of the tool holder 2. The limiting screw hole 204 communicates with the adjusting screw hole 203, and a pressure pin 5 is provided in the limiting screw hole 204. Figure 14 As shown, the pressure pin 5 includes a pin head 501 and a pin body 502. The outer wall of the pin head 501 is threaded, and the pin body 502 is a smooth cylinder. The pin head 501 is threadedly connected to the limiting screw hole 204, and the pin body 502 passes through the limiting screw hole 204 and is located in the annular groove 405 between the limiting ring 404 and the nut 401. Because the pressure pin 5 acts in the annular groove 405 between the limiting ring 404 and the nut 401 of the adjusting bolt 4, it prevents the adjusting bolt 4 from moving along the axis, so that the adjusting bolt 4 can only rotate. The adjusting bolt 4 drives the cutter body 1 to move along the axis of the adjusting bolt 4 through the thread, adjusting the position of the cutter head 101 on the cutter shank 2, thereby achieving the purpose of adjusting the machining diameter of the annular V-groove. The tool body 1 is made of high-strength cemented carbide or coated tool material, which has good wear resistance and impact resistance, ensuring a long service life for the tool. The tool shank 2 is made of 30CrMnSiA alloy steel.

[0027] like Figure 12 As shown, the top of the locking bolt 3 is provided with a hexagonal groove, and the adjusting bolt 4 and the pressure nail 5 are also provided with hexagonal grooves similar to those of the locking bolt 3, so as to facilitate adjustment using a wrench.

[0028] Technical points: 1. After the adjusting bolt 4 is assembled with the tool holder 2, ensure that the clearance on one side is 0.02-0.03mm.

[0029] 2. The gap between the two sides of the pressure nail 5 and the annular groove 405 on the adjusting bolt 4 should be 0.05-0.1mm on each side.

[0030] 3. After the tool body 1 and the tool holder 2 are assembled, ensure that the gap on one side is 0.01mm to ensure that they can slide without shaking due to excessive gap.

[0031] The specific method of using the cutting tool provided by this utility model is as follows: First, based on the dimensions of the V-groove to be machined, roughly adjust the position of the cutter body 1 on the cutter shank 2. Then, rotate the adjusting bolt 4. At this time, the pressure pin 5 must be positioned within the annular groove 405 between the limiting ring 404 and the nut 401 of the adjusting bolt 4, but it should not be pressed tightly. Because the pressure pin 5 is positioned within the annular groove 405 between the limiting ring 404 and the nut 401, the adjusting bolt 4 can only rotate. The adjusting bolt 4 moves the cutter body 1 through the thread, thereby achieving the purpose of adjusting the dimensions. Finally, secure the four locking bolts 3 and the pressure pin 5. At this point, the V-groove can be test-machined.

[0032] By performing a trial cut, and then using the adjusting bolt 4 to fine-tune the position of the cutter body 1 on the cutter shank 2, the required dimensions are achieved.

[0033] The tool for machining V-grooves provided by this utility model solves the problems of inefficient and high-precision machining of annular V-grooves on complex parts, as well as the limited machining dimensions and poor interchangeability of forming tools. This tool can complete the machining of annular V-grooves in one operation without multiple clamping; it adopts a split structure, enabling the machining of annular V-grooves of different diameters with a single tool, significantly improving machining efficiency, and the adjustment method is simple to operate.

[0034] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model.

Claims

1. A cutting tool for machining V-grooves, characterized in that, The tool includes a blade body (1) and a blade shank (2). The blade shank (2) has a slot at its top. The blade body (1) includes a blade head (101) and a base. The base is engaged with the slot. The blade shank (2) has several fixing screw holes (202) at its top. A locking bolt (3) is provided in each fixing screw hole (202). The bottom end of the locking bolt (3) passes through the fixing screw hole (202) and presses against the base. An adjusting screw hole (203) is provided on the upper part of the side wall of the blade shank (2). An adjusting bolt (4) is provided in each adjusting screw hole (203). The adjusting bolt (4) passes through the adjusting screw hole (203) and connects to the base.

2. The cutting tool according to claim 1, characterized in that, The slot is a T-shaped slot (201), and the length of the T-shaped slot (201) is less than the diameter of the tool bar (2).

3. The cutting tool according to claim 2, characterized in that, The base of the blade body (1) is a T-shaped block, which includes a first plate (102) and a second plate (103). The width of the first plate (102) is greater than the width of the second plate (103). The blade head (101) is located on top of the second plate (103). The blade head (101), the first plate (102), and the second plate (103) are integrally formed.

4. The cutting tool according to claim 3, characterized in that, The bottom of the locking bolt (3) is pressed against the top of the first plate (102).

5. The cutting tool according to claim 3, characterized in that, The blade (101) is triangular in shape; the length of the blade (101) is less than the length of the T-block.

6. The cutting tool according to claim 1, characterized in that, The top of the cutter bar (2) is provided with a limiting screw hole (204), which is connected to the adjusting screw hole (203), and a pressure pin (5) is provided in the limiting screw hole (204).

7. The cutting tool according to claim 6, characterized in that, The adjusting bolt (4) includes a nut (401), one end of which is provided with a screw rod. The screw rod includes a cylindrical section (402) and a threaded section (403). A limiting ring (404) is provided at the connection between the cylindrical section (402) and the threaded section (403). The outer peripheral wall of the cylindrical section (402), the side wall of the limiting ring (404), and the side wall of the nut (401) form an annular groove (405). The bottom of the pressure pin (5) passes through the limiting screw hole (204) and is located in the annular groove (405).

8. The cutting tool according to claim 7, characterized in that, The nut (401), the cylindrical section (402), and the limiting ring (404) are all located in the adjusting screw hole (203).

9. The cutting tool according to claim 7, characterized in that, The pressure nail (5) includes a nail head (501) and a nail body (502). The outer side wall of the nail head (501) is provided with threads, and the nail body (502) is a smooth cylinder. The nail head (501) is threadedly connected to the limiting screw hole (204), and the nail body (502) is located in the annular groove (405).

10. The cutting tool according to claim 3, characterized in that, The locking bolt (3) includes a screw head (301) and a stud (302). The outer peripheral wall of the screw head (301) is threaded, and the stud (302) is a smooth cylinder. The screw head (301) is threadedly connected to the fixing screw hole (202), and the bottom of the stud (302) is pressed against the top of the first plate (102). The diameter of the stud (302) is smaller than the diameter of the screw head (301).

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