A high-speed cutting tool for metal processing

Abstract

The present invention provides a high-speed cutting tool for metal processing, which relates to the technical field of cutting tools, and comprises: a main body component, when the angle of the cutter head needs to be adjusted, the limit piece B is pulled upwards to disengage the end thereof from the docking groove, and the limit piece A is retracted into the bottom groove, so that the cutter head can be rotated and adjusted on the cutter arm, after being adjusted to a suitable angle, the limit piece B is dropped to be plugged into the docking groove at the corresponding angle, and the limit piece A is inserted into the docking hole, so that the cutter head is fixed on the cutter arm at a certain angle. Through such an arrangement, the angle of the cutter head can be adjusted on the cutter arm according to the use requirements, so that it can be applied to more processing tasks, and the problem that the cutter head of the current high-speed cutting tool is usually fixed to the cutter arm, so that the fixed angle of the cutter head cannot be adjusted, and the cutter head angle cannot be adjusted according to different processing tasks, and the problem that different cutters can only be disassembled and replaced to cope with different processing tasks is solved.

Description

Technical Field

[0001] The invention relates to the technical field of cutting tools, in particular to a high-speed cutting tool for metal processing. Background Art

[0002] Machine tools play an indispensable role in industry. The production and manufacturing of all walks of life cannot be separated from machine tools. Whether it is a lathe, milling machine, drilling machine or machining center, it needs cutting tools. The cutting tools are usually installed on the machine tool by a tool holder. When the machine tool is running, the cutting tools can cut the workpiece rotating at high speed.

[0003] For example, application number: CN201811467085.9 involves a cutting tool, including a tool body and a tool groove opened on the tool body, a blade is clamped in the tool groove, the blade is in a basic square shape on a horizontal projection plane, and the side of the blade is provided with a main side, a secondary side and an angle side in sequence along the direction from the middle to the end, wherein the main side of two adjacent side surfaces are side positioning surfaces of the blade and are in contact with the tool groove, and a cutting portion with the same cutting shape is provided at the tip of the blade, and the cutting portion is composed of two main cutting edges and an angle cutting edge connected between the two main cutting edges, and on the upper surface, a variable angle α is provided between the two main cutting edges of the cutting portion, which should satisfy: 35°≤α≤80°. The present invention has the advantages of four acute tip angles and high clamping stability.

[0004] However, there are some shortcomings in the current design of high-precision cutting tools. First, the tool head of the cutting tool is usually fixed to the tool arm, so the tool head cannot be adjusted at a fixed angle, and the tool head angle cannot be adjusted according to different processing tasks. Different tools can only be disassembled and replaced to cope with different processing tasks. Secondly, only one set of blades can be installed on each cutting tool. When the tool is damaged during processing, the tool needs to be removed from the tool holder and then replaced, which is more troublesome. Summary of the invention

[0005] In view of the above problems, the present invention proposes a high-speed cutting tool for metal processing, which can avoid the need to frequently replace tools with different angles, improve the practicality of the tool, and install two sets of blades on one tool to facilitate the replacement of the blades.

[0006] In a first aspect of the present disclosure, a high-speed cutting tool for metal processing is provided, which specifically comprises: a main body component; the main body component comprises a knife arm and a limit groove, the knife arm is a double-headed rod-shaped structure; the limit groove is symmetrically arranged at both sides of the upper end of the knife arm; a fixing component is provided on the main body component, the sleeve of the fixing component is located on the outside of the knife arm, and the guide groove in the sleeve is slidably matched with the guide blocks on both sides of the knife arm; two sets of cutting components are provided on the main body component, the cutting component comprises a knife head, a docking hole and a docking groove, the knife head is rotatably mounted at both ends of the knife arm, the front knife head is located at the outer end of the sleeve, and the rear knife head is located at the outer end of the sleeve. Inside the sleeve; the docking holes are equidistantly arranged at the bottom of the outer side of the cutter head, and the docking holes are plugged into and matched with the internal limit piece A of the cutter arm; the docking grooves are equidistantly arranged at the upper outer side of the cutter head, and the docking grooves are slidingly matched with the internal limit piece B of the cutter arm; a limiting component is provided on the fixed component, and the limiting component includes a rotating component and a side plate, the rotating component is arranged at the middle position of the upper end of the outer side of the sleeve, and the rotating component is between the two groups of connecting grooves on the outer side of the sleeve, and the top block inside the rotating component passes through the sleeve and is plugged into and matched with the limiting groove; the side plates are symmetrically arranged on both sides of the outer side of the rotating component, and the side plates are movably matched with the connecting grooves.

[0007] Optionally, the main body component includes: a side groove and a guide block; the side groove is symmetrically arranged in the middle position of the upper and lower ends of the knife arm; and the guide block is fixedly installed inside the side groove.

[0008] Optionally, the main body component includes: a bottom groove and a limit piece A; the bottom groove is opened at the bottom of both sides of the knife arm; the limit piece A is slidably installed in the bottom groove through an elastic piece, and the circular rod on the limit piece A extends from the bottom groove.

[0009] Optionally, the main body component includes: an end groove and a limit member B; the end groove is opened inside the side end of the knife arm; the limit member B is slidably installed at the inner end of the end groove, and the end of the limit member B extends out from the end groove.

[0010] Optionally, the fixing component includes: a sleeve and a guide groove; the interior of the sleeve is a hollow structure; the guide groove is symmetrically arranged at both ends of the interior of the front side of the sleeve, and the guide groove runs through both sides of the sleeve.

[0011] Optionally, the fixing component includes: a slot and an insert; the slot is opened at the upper and lower ends of the rear side of the sleeve; and the insert is inserted into the slot.

[0012] Optionally, the fixing component includes: a connecting groove and a locking block; the connecting groove is symmetrically arranged at a middle position between the upper and lower ends of the sleeve; and the locking blocks are symmetrically arranged at the outer ends of the front side of the sleeve.

[0013] Optionally, the fixing component includes: a reinforcement ring and a snap-fit ​​groove; the reinforcement ring is sleeved on the front outer end of the sleeve; the snap-fit ​​groove is arranged at both ends of the rear side of the reinforcement ring, and the snap-fit ​​groove is plug-fitted with the snap-fit ​​block.

[0014] Optionally, the cutting component includes: a pad, a blade and a pressing plate; the pad is installed to the inner side of the upper end of the cutter head by bolts; the blade is installed on the outside of the upper end of the cutter head by bolts, and the blade is at the upper end of the pad; the pressing plate is installed on the top of the cutter head by bolts, and the pressing plate is at the upper end of the blade.

[0015] Optionally, the limiting component includes: a top block and a limiting bolt; the top block is slidably installed inside the rotating member through an elastic member, and the top block extends from the bottom of the rotating member; the limiting bolt is threadedly installed at the upper end of the rotating member, and the lower end of the limiting bolt is adjacent to the top block.

[0016] The present invention provides a high-speed cutting tool for metal processing, which has the following beneficial effects:

[0017] 1. The present invention provides a body component and a cutting component, and the cutter head is rotatably installed on the side end of the cutter arm, and a docking hole machine docking groove is opened in the outer rectangular shape of the cutter head, and a limiter A is slidably installed in the bottom groove of the side end of the cutter arm, and the limiter is slidably installed in the end groove of the side end of the cutter arm. When it is necessary to adjust the fixed angle of the cutter head on the cutter arm, the limiter B is slid to the upper end so that its end is disengaged from the top of the docking groove, and the limiter A is retracted into the bottom groove, so that the cutter head can be rotated and adjusted on the cutter arm. After adjusting to a suitable angle, the limiter B is dropped to be plugged into the docking groove at the corresponding angle, and the limiter A is inserted into the docking hole, so that the cutter head is fixed on the cutter arm at a certain angle. Through such a setting, the angle of the cutter head can be adjusted on the cutter arm according to the use requirements, so that it can be suitable for more processing tasks, and two groups of limiters A and limiters B for fixing are provided at the same time, and after one group of fixation fails, the other group can still play a fixing role on the cutter head, so that the effect of fixing the cutter head can be improved.

[0018] 2. The present invention provides a main body component and a fixing component, and guide blocks are provided in the side grooves at both ends of the knife arm, and a T-shaped guide groove is opened inside the sleeve, the knife arm is plugged into the inside of the sleeve, and the guide block on the knife arm is moved along the guide groove. When in use, the knife head on the front side of the knife arm is exposed for use, and the knife head on the rear side of the knife arm extends into the inside of the sleeve. When the blade on the front end knife head is damaged, the limit bolt is loosened to make the top block lose the limiting effect on the knife arm, and the knife arm is pulled forward to move the guide block to the front position of the guide groove, and then the knife arm is rotated 360 degrees to exchange the positions of the knife heads on both sides, and the knife arm is pushed to reinsert the knife head on the rear side into the sleeve. By installing two groups of knife heads on one set of knife arms, when one side is damaged, it can be quickly replaced by the other side, and there is no need to remove the tool from the tool for replacement, and by arranging knife heads with different blades on both sides of the knife arm, the types of different blades installed on the CNC tool holder at one time can be increased.

[0019] 3. The present invention provides a main body component and a fixing component, and provides a sleeve at the outer end of the tool arm, and fixes the sleeve to the CNC tool holder. When the tool needs to be replaced, the limiting bolt is loosened to make the top block lose its limiting effect on the tool arm, and the tool arm is pulled forward to make the guide block contact the front side of the guide groove. In this way, the tool arm can be pulled out from both sides of the sleeve for replacement, thereby saving time for tool replacement. After the tool is replaced, the tool arm is reinserted into the sleeve. Since the sleeve is not disassembled from the CNC tool holder, the tool arm is reinstalled in the sleeve at the same installation position as before in the sleeve. Therefore, even after the tool is replaced, there is no need to reposition the replaced tool on the machine tool. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The following drawings will provide a better understanding of the present disclosure and more clearly demonstrate the advantages of the present disclosure. The drawings described herein are for illustrative purposes only of selected embodiments, not all possible implementations, and are not intended to limit the scope of the present disclosure.

[0021] In the attached picture:

[0022] Figure 1 A schematic diagram of a three-dimensional structure according to an embodiment of the present invention is shown.

[0023] Figure 2 A schematic diagram of a split structure according to an embodiment of the present invention is shown.

[0024] Figure 3 A schematic diagram of a rear end cross-sectional structure according to an embodiment of the present invention is shown.

[0025] Figure 4 A schematic diagram of a front end cross-sectional structure according to an embodiment of the present invention is shown.

[0026] Figure 5 A schematic diagram of the connection structure between a fixing component and a cutting component according to an embodiment of the present invention is shown.

[0027] Figure 6 A plan cross-sectional view of a fixing component and a cutting component according to an embodiment of the present invention is shown.

[0028] Figure 7 A schematic diagram of a partial connection structure of a fixing component and a cutting component according to an embodiment of the present invention is shown.

[0029] Figure 8 A schematic diagram of the connection structure of a fixing component and a limiting component according to an embodiment of the present invention is shown.

[0030] Fig. 9 A schematic diagram of the three-dimensional structure of a main body component according to an embodiment of the present invention is shown.

[0031] Fig.10 A schematic cross-sectional structure diagram of a cutting component according to an embodiment of the present invention is shown.

[0032] Reference numerals list

[0033] 1. Main body parts;

[0034] 101, knife arm; 1011, limiting groove;

[0035] 102, side groove; 1021, guide block;

[0036] 103, bottom groove; 1031, limiter A;

[0037] 104, end groove; 1041, stopper B;

[0038] 2. Fixing parts;

[0039] 201, sleeve; 2011, guide groove;

[0040] 202, slot; 2021, insert;

[0041] 203, connecting groove; 204, engaging block;

[0042] 205, reinforcement ring; 2051, engagement groove;

[0043] 3. Cutting parts;

[0044] 301, cutter head; 3011, docking hole; 3012, docking groove;

[0045] 302, spacer; 303, blade; 304, tablet press;

[0046] 4. Limiting components;

[0047] 401, rotating part; 4011, side plate;

[0048] 402, top block; 403, limit bolt. DETAILED DESCRIPTION

[0049] In order to make the purpose, technical solution and advantages of the embodiment of the present invention clearer, the technical solution of the embodiment of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiment of the present invention. Obviously, the described embodiment is a part of the embodiment of the present invention, not all of the embodiments. Based on the described embodiment of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0050] Example 1: Please refer to Figures 1 to 10 As shown:

[0051] The present invention provides a high-speed cutting tool for metal processing, comprising: a body component 1; the body component 1 comprises a knife arm 101 and a limiting groove 1011, the knife arm 101 is a double-headed rod-shaped structure; the limiting groove 1011 is symmetrically arranged at two sides of the upper end of the knife arm 101; a fixing component 2 is arranged on the body component 1, a sleeve 201 of the fixing component 2 is located at the outer side of the knife arm 101, and the guide groove 2011 in the sleeve 201 is slidably matched with the guide blocks 1021 at both sides of the knife arm 101; two groups of cutting components 3 are arranged on the body component 1, the cutting component 3 comprises a knife head 301, a docking hole 3011 and a docking groove 3012, the knife head 301 is rotatably installed at both ends of the knife arm 101, the front knife head 301 is located at the outer end of the sleeve 201, and the rear knife head 301 is located inside the sleeve 201; the docking hole 3011 is located at the outer end of the sleeve 201, and the rear knife head 301 is located inside the sleeve 201; the docking hole 3012 is located at the inner side of the sleeve 201; the fixing component 2 is located at the outer end of the sleeve 201, and the guide groove 2011 in the sleeve 201 is slidably matched with the guide blocks 1021 at both sides ... 011 is equidistantly arranged at the bottom of the outer side of the cutter head 301, and the docking hole 3011 is plugged into and matched with the internal limit member A1031 of the cutter arm 101; the docking groove 3012 is equidistantly arranged at the upper outer side of the cutter head 301, and the docking groove 3012 is slidably matched with the internal limit member B1041 of the cutter arm 101; a limit member 4 is provided on the fixed member 2, and the limit member 4 includes a rotating member 401 and a side plate 4011, the rotating member 401 is arranged at the middle position of the upper outer end of the sleeve 201, and the rotating member 401 is between the two groups of connecting grooves 203 on the outer side of the sleeve 201, and the top block 402 inside the rotating member 401 passes through the sleeve 201 and is plugged into and matched with the limit groove 1011; the side plates 4011 are symmetrically arranged on both sides of the outer side of the rotating member 401, and the side plates 4011 are movably matched with the connecting grooves 203.

[0052] As the second embodiment of the present application, based on the first embodiment, Figures 2 to 7As shown, the main body part 1 includes: a side groove 102 and a guide block 1021; the side groove 102 is symmetrically arranged in the middle position of the upper and lower ends of the knife arm 101; the guide block 1021 is fixedly installed inside the side groove 102; a bottom groove 103 and a limiter A1031; the bottom groove 103 is arranged at the bottom of both sides of the knife arm 101; the limiter A1031 is slidably installed in the bottom groove 103 through an elastic member, and the circular rod on the limiter A1031 extends from the bottom groove 103; an end groove 104 and a limiter B1041; the end groove 104 is arranged inside the side end of the knife arm 101; the limiter B1041 is slidably installed at the inner end of the end groove 104, and the end of the limiter B1041 extends from the end groove 104.

[0053] The present invention provides a long rod-shaped knife arm 101, so that the knife head 301 can be installed at both ends of the knife arm 101; a circular limiting groove 1011 is provided, and the limiting groove 1011 is engaged with the top block 402, so that the knife arm 101 can be fixed inside the sleeve 201; a rectangular side groove 102 is provided, and the guide block 1021 can be installed on both sides of the knife arm 101 through the side groove 102; a rectangular guide block 1021 is provided, and the guide block 1021 is slidably matched with the guide groove 2011, so that the knife arm 101 can slide inside the sleeve 201 along the guide groove 2011 through the guide block 1021; a rectangular side groove 102 is provided, and the guide block 1021 is engaged ...; a rectangular side groove 1021 is provided, and the guide block 1021 is engaged with the guide groove 2011; a rectangular side groove 1021 is provided, and the guide block 1021 is engaged with the guide groove 2011; a rectangular side groove 1021 is provided, and the guide block 1021 is engaged with the guide groove 2011; a rectangular side groove 1021 is provided, and the guide block 1021 is engaged with the guide groove 2011 The bottom groove 103 is used to movably install the limit member A1031 on the bottom side of the knife arm 101 through the bottom groove 103; the limit member A1031 is provided, and the cutter head 301 can be fixed on the side end of the knife arm 101 by inserting the round rod on the limit member A1031 into the docking hole 3011; the rectangular end groove 104 is provided, and the limit member B1041 can be movably installed on the side end of the knife arm 101 through the end groove 104; the limit member B1041 is provided, and the fixed angle of the cutter head 301 on the side end of the knife arm 101 can be limited by inserting the L-shaped rod at the end of the limit member B1041 into the docking groove 3012.

[0054] As the third embodiment of the present application, based on the first embodiment, Fig. 9As shown, the fixing component 2 includes: a sleeve 201 and a guide groove 2011; the interior of the sleeve 201 is a hollow structure; the guide groove 2011 is symmetrically arranged at the two inner ends of the front side of the sleeve 201, and the guide groove 2011 runs through both sides of the sleeve 201; a slot 202 and an insert 2021; the slot 202 is arranged at the upper and lower ends of the rear side of the sleeve 201; the insert 2021 is plugged into the interior of the slot 202; a connecting groove 203 and a snap-fit ​​block 204; the connecting groove 203 is symmetrically arranged at the middle position of the upper and lower ends of the sleeve 201; the snap-fit ​​block 204 is symmetrically arranged at the two outer ends of the front side of the sleeve 201; a reinforcement ring 205 and a snap-fit ​​groove 2051; the reinforcement ring 205 is sleeved on the front outer end of the sleeve 201; the snap-fit ​​groove 2051 is arranged at the two rear ends of the reinforcement ring 205, and the snap-fit ​​groove 2051 is plugged into the snap-fit ​​block 204.

[0055] The present invention provides a sleeve 201, so that the knife arm 101 can be installed on the tool holder of the machine tool through the sleeve 201; a T-shaped guide groove 2011 is provided, so that the knife arm 101 can be moved inside the sleeve 201 along the guide groove 2011; a T-shaped slot 202 is provided, so that the insert 2021 can be inserted into the rear side of the sleeve 201 through the slot 202; the insert 2021 is provided, and the sleeve 201 can be fixed on the CNC tool holder by pressing the bolt on the CNC tool holder against the insert 2021; an arc-shaped connecting groove 203 is provided, and the connecting groove 203 is connected to the side The plates 4011 are engaged with each other, so that the rotating part 401 can be fixed on the upper end of the sleeve 201; a rectangular engaging block 204 is provided, and the reinforcing ring 205 can be fixed on the front side of the sleeve 201 by plugging the engaging block 204 into the engaging groove 2051; a rectangular reinforcing ring 205 is provided, and the strength of the front side of the sleeve 201 can be increased by sleeve-fitting the reinforcing ring 205 onto the front side of the sleeve 201; a rectangular engaging groove 2051 is provided, and the reinforcing ring 205 can be fixed on the front side of the sleeve 201 by plugging the engaging groove 2051 into the engaging block 204.

[0056] In the present disclosure, Fig.10 As shown, the cutting component 3 includes: a pad 302, a blade 303 and a pressing plate 304; the pad 302 is installed to the inner side of the upper end of the cutter head 301 by bolts; the blade 303 is installed on the outside of the upper end of the cutter head 301 by bolts, and the blade 303 is located at the upper end of the pad 302; the pressing plate 304 is installed on the top of the cutter head 301 by bolts, and the pressing plate 304 is located at the upper end of the blade 303.

[0057] The present invention provides a cutter head 301, on which a blade 303 for cutting metal can be installed; a circular docking hole 3011 is provided, and the cutter head 301 can be fixed on the side end of the cutter arm 101 by plugging and matching the docking hole 3011 with the circular rod on the limiting member A1031; a docking groove 3012 is provided, and the cutter head 301 can be fixed on the side end of the cutter arm 101 by vertically inserting the limiting member B1041 into the docking groove 3012; a pad 302 is provided, which can be used to assist the blade 303; a diamond-shaped blade 303 is provided, and metal can be cut by the blade 303; a rectangular pressing sheet 304 is provided, and the blade 303 can be auxiliary limited by the pressing sheet 304.

[0058] As the fourth embodiment of the present application, based on the first embodiment, Figure 8 As shown, the limiting component 4 includes: a top block 402 and a limiting bolt 403; the top block 402 is slidably installed inside the rotating member 401 through an elastic member, and the top block 402 extends from the bottom of the rotating member 401; the limiting bolt 403 is threadedly installed on the upper end of the rotating member 401, and the lower end of the limiting bolt 403 is adjacent to the top block 402.

[0059] A cylindrical rotating part 401 is provided, and a top block 402 and a limiting bolt 403 can be movably installed inside; an arc-shaped side plate 4011 is provided, and the rotating part 401 can be fixed on the top of the sleeve 201 by inserting the side plate 4011 into the connecting groove 203; a top block 402 with a spherical structure at the bottom is provided, and the knife arm 101 can be fixed in the sleeve 201 by inserting the top block 402 into the limiting groove 1011; a limiting bolt 403 is provided, and the limiting bolt 403 is rotated so that the lower end thereof abuts against the top block 402, so that the top block 402 can be fixed in the rotating part 401, thereby limiting the knife arm 101 in the sleeve 201.

[0060] The specific usage and function of this embodiment are as follows:

[0061] In the present invention, Figure 1-10As shown, the insert plate 2021 is inserted into the two ends of the rear side of the sleeve 201 through the slot 202, the sleeve 201 is installed on the CNC tool holder, and the bolts on the tool holder are pressed against the insert plate 2021, so that the sleeve 201 is fixed on the CNC tool holder, the cutter head 301 is rotated and installed to the two ends of the knife arm 101, the guide block 1021 is fixed to the side groove 102 at the two ends of the knife arm 101 by bolts, and then the knife arm 101 is inserted into the sleeve 201 from one side, and the guide block 1021 can The blade head 301 at the rear side of the blade arm 101 can be inserted into the inner side of the sleeve 201, and the rotating member 401 is inserted between the two sets of connecting grooves 203 at the upper end of the sleeve 201, so that the top block 402 passes through the sleeve 201 and is inserted into the limiting groove 1011 of the blade arm 101, and the rotating member 401 is rotated so that the side plates 4011 at both ends are inserted into the connecting grooves 203, so that the rotating member 401 can be fixed at the upper end of the blade arm 101. At this time, the limiting bolt 403 is rotated so that The bottom of the top block 402 is pressed against the top block 402, and the bottom of the top block 402 is pressed tightly in the limit groove 1011, so that the knife arm 101 is fixed. After the knife arm 101 is fixed, the limit piece B1041 is pulled to the upper end of the end groove 104, and the limit piece A1031 is pulled back into the bottom groove 103. At this time, the installation angle of the knife head 301 can be adjusted according to the use requirements. After the adjustment, slide the limit piece B1041 downward so that its side end falls back into the docking groove 3012, and the limit piece A1 The insertion rod at the end of 031 is reinserted into the docking hole 3011 to fix the cutter head 301 after the angle is adjusted, and the cushion block 302 and the blade 303 are installed on the cutter head 301 in sequence, and finally the blade 303 is fixed by the pressing sheet 304. After the blade 303 is installed, the reinforcement ring 205 is sleeved on the front end of the sleeve 201 so that the engaging groove 2051 is plugged with the engaging block 204. In this way, the installation of the tool is completed, and the metal can be cut through the cutter head 301 later.

[0062] In this article, there are a few points to note:

[0063] 1. The drawings of the embodiments of the present disclosure only involve structures related to the embodiments of the present disclosure, and other structures may refer to general designs.

[0064] 2. In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to obtain new embodiments.

[0065] The above are only specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

Claims

1. A high-speed cutting tool for metal processing, comprising: The main body component (1) comprises a knife arm (101), a limiting groove (1011), a side groove (102), a guide block (1021), a bottom groove (103), a limiting member A (1031), an end groove (104) and a limiting member B (1041); the knife arm (101) is a double-headed rod-shaped structure; the limiting groove (1011) is symmetrically arranged at the two sides of the upper end of the knife arm (101); the side groove (102) is symmetrically arranged at the middle position between the upper and lower ends of the knife arm (101); the guide block (1021) is fixedly installed inside the side groove (102); the bottom groove (103) is arranged at the bottom of both sides of the knife arm (101); the limiting member A (1031) is elastically movable. The tool arm (101) is a tool body component (1) and a fixing member (2) is provided on the main body component (1), wherein the fixing member (2) comprises a sleeve (201) and a guide groove (2011), wherein the sleeve (201) is a hollow structure and the sleeve (201) is located on the outside of the knife arm (101); the guide groove (2011) is symmetrically provided on the front side of the sleeve (201). The two ends of the inner part, and the guide groove (2011) runs through both sides of the sleeve (201), and the guide groove (2011) is slidably matched with the guide blocks (1021) on both sides of the knife arm (101); the body part (1) is provided with two groups of cutting parts (3), the cutting parts (3) include a knife head (301), a docking hole (3011) and a docking groove (3012), the knife head (301) is rotatably mounted on the two ends of the knife arm (101), the front knife head (301) is located at the outer end of the sleeve (201), and the rear knife head (301) is located inside the sleeve (201); the docking holes (3011) are equidistantly arranged at the bottom of the outer side of the knife head (301), and the docking holes (3011) and the knife arm (101) are equidistantly arranged at the bottom of the outer side of the knife head (301), and the docking holes (3011) and the knife arm (101) are rotatably mounted on the two ends of the knife arm (101), and the two ends of the knife head (301) are rotatably mounted on the two ends of the knife arm (101), and the two ends of the knife head (301) are equidistantly arranged at the bottom of the outer side of the knife head (301), and the two ends of the knife head (301) and the two ends of the knife arm (1 ... ) is plugged into and matched with an internal limiter A (1031); the docking groove (3012) is equidistantly arranged at a position above the outer side of the cutter head (301), and the docking groove (3012) is slidably matched with an internal limiter B (1041) of the cutter arm (101); a limiter component (4) is provided on the fixed component (2), and the limiter component (4) includes a rotating component (401) and a side plate (4011), the rotating component (401) is provided at a middle position of the outer upper end of the sleeve (201), and the rotating component (401) is located between two groups of connecting grooves (203) on the outer side of the sleeve (201), and a top block (402) inside the rotating component (401) passes through the sleeve (201) and is plugged into and matched with the limiter groove (1011);The side plates (4011) are symmetrically arranged on both sides of the outside of the rotating member (401), and the side plates (4011) are movably matched with the connecting grooves (203).

2. A high-speed cutting tool for metal processing according to claim 1, characterized in that: The fixing component (2) comprises: a slot (202) and an insert (2021); the slot (202) is provided at the upper and lower ends of the rear side of the sleeve (201); and the insert (2021) is inserted into the slot (202).

3. A high-speed cutting tool for metal processing according to claim 2, characterized in that: The fixing component (2) comprises: a connecting groove (203) and a snap-fit ​​block (204); the connecting groove (203) is symmetrically arranged at the middle position between the upper and lower ends of the sleeve (201); and the snap-fit ​​block (204) is symmetrically arranged at the outer ends of the front side of the sleeve (201).

4. A high-speed cutting tool for metal processing according to claim 3, characterized in that: The fixing component (2) comprises: a reinforcement ring (205) and a snap-fit ​​groove (2051); the reinforcement ring (205) is sleeved on the front outer end of the sleeve (201); the snap-fit ​​groove (2051) is provided at both ends of the rear side of the reinforcement ring (205), and the snap-fit ​​groove (2051) is plugged into and matched with the snap-fit ​​block (204).

5. A high-speed cutting tool for metal processing according to claim 1, characterized in that: The cutting component (3) comprises: a cushion block (302), a blade (303) and a pressing plate (304); the cushion block (302) is mounted to the inner side of the upper end of the cutter head (301) by means of bolts; the blade (303) is mounted to the outside of the upper end of the cutter head (301) by means of bolts, and the blade (303) is located at the upper end of the cushion block (302); the pressing plate (304) is mounted to the top of the cutter head (301) by means of bolts, and the pressing plate (304) is located at the upper end of the blade (303).

6. A high-speed cutting tool for metal processing according to claim 1, characterized in that: The limiting component (4) comprises: a top block (402) and a limiting bolt (403); the top block (402) is slidably mounted inside the rotating member (401) via an elastic member, and the top block (402) extends from the bottom of the rotating member (401); the limiting bolt (403) is threadedly mounted on the upper end of the rotating member (401), and the lower end of the limiting bolt (403) is adjacent to the top block (402).

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