Milling cutter for open slot part

Abstract

The utility model relates to the technical field of manufacturing and processing, and discloses a milling cutter at an open slot part, which comprises a cutter holder, a cutter head and an adjusting cylinder, an embedding slot is arranged at the center of the front end face of the cutter holder, and rotating rods are embedded in the midpoints of the upper end face and the lower end face of the cutter holder. Cross-shaped rotating blocks are fixedly arranged on the upper end faces of the two rotating rods, fixing blocks are rotationally arranged on the lower end faces of the two rotating rods, a connecting block is fixedly arranged at the center of the rear end face of the tool holder, sliding blocks are fixedly arranged on the lower end face and the two sides of the connecting block, and a rack is fixedly arranged on the upper end face of the connecting block. A limiting shell is fixedly arranged at the front end of the upper end face of the adjusting cylinder. According to the utility model, the tool bit can be clamped and fixed through the rotating rod and the fixing block which are embedded in the upper end and the lower end of the tool holder through the threads, and meanwhile, the transmission mechanism arranged in the adjusting cylinder can adjust the length of the tool body according to requirements.

Description

Technical Field

[0001] The utility model relates to the technical field of manufacturing and processing, in particular to a milling cutter for an open groove. Background Art

[0002] A milling cutter is a tool used for milling, mainly used for cutting metal materials on machine tools such as milling machines and machining centers. The open groove part of a high-temperature alloy structural part refers to the open groove part of a structural part used in a high-temperature working environment. A high-temperature alloy structural part is a structural part that works in a high-temperature environment and is usually made of a high-temperature alloy material. High-temperature alloy materials are a type of special alloy material with excellent high-temperature strength, heat resistance, oxidation resistance and corrosion resistance, and are widely used in high-temperature working environments.

[0003] After searching, the existing patent (publication number: CN218016021U) discloses a "The utility model provides an adjustable CNC milling cutter, which relates to the technical field of CNC milling cutters, including a milling section, a fixed section and an extension section, and the two ends of the extension section are respectively provided with connecting columns and connecting grooves in an array, one end of the milling section is provided with the same connecting groove as the extension section, and one end of the fixed section is provided with the same connecting column as the extension section. The end of the milling section provided with the connecting column is fixedly connected to the end of the extension section provided with the connecting groove, and the end of the fixed section provided with the connecting column is fixedly connected to the end of the extension section provided with the connecting groove, and the connecting column and the connecting groove are both provided with threaded holes with corresponding positions. After the milling section is damaged, the device only needs to replace the milling section, and there is no need to scrap the milling cutter as a whole. At the same time, by replacing different milling sections or by adding multiple extension sections, various processing needs can be met. When replacing, the fixed section does not need to be removed, thereby facilitating the use of the milling cutter."

[0004] The inventor discovered the following problems in the prior art during the process of implementing the utility model: Although the patented technology can extend and lengthen the blade of the milling cutter by adding multiple lengthening sections, and the lengthened lengthening sections can be fixed with screws to meet the processing needs, when adjusting the length of the cutter head, the screws used to fix the lengthening sections need to be removed or installed one by one, and the length of the blade cannot be adjusted conveniently, resulting in the user being unable to adjust the length of the cutter head and the blade more conveniently. Therefore, those skilled in the art provide a milling cutter with an open slot to solve the problems raised in the above background technology. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings existing in the prior art, and a milling cutter with an open groove portion is proposed. The cutter head can be clamped and fixed by two rotatable fixing blocks, and the fixed rack and the embedded transmission processing are engaged, so that the length of the cutter head can be more conveniently adjusted according to needs.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A milling cutter with an open groove, comprising a handle, a cutter head and an adjusting cylinder, wherein an embedding groove is provided at the center of the front end surface of the handle, a rotating rod is embedded at the midpoint of the upper end surface and the lower end surface of the handle, a cross rotating block is fixedly provided on the upper end surfaces of the two rotating rods, and a fixed block is rotatably provided on the lower end surfaces of the two rotating rods;

[0008] A connecting block is fixedly arranged at the center of the rear end face of the knife handle, a slider is fixedly arranged on the lower end face and both sides of the connecting block, a rack is fixedly arranged on the upper end face of the connecting block, a limit housing is fixedly arranged on the upper end face of the adjusting cylinder near the front end, an adjusting groove is provided on the front end face of the adjusting cylinder, a transmission mechanism is rotatably arranged on the upper end face of the adjusting cylinder near the front end, and the transmission mechanism includes a rotating shaft, a gear, a worm, a worm wheel and a transmission groove;

[0009] Through the above technical solution, by embedding the cutter head in the tool handle, the cutter head can be clamped and fixed by turning the rotating rod with a cross screwdriver to prevent the cutter head from falling off or being damaged due to milling shaking. At the same time, a gear fixed on the upper end face of the connecting block can be engaged with the transmission mechanism set in the adjusting cylinder, and the length of the cutter head can be adjusted as needed. At the same time, the structure fixed in the limit shell can fix the adjusted length.

[0010] Furthermore, the rotating shaft is rotatably arranged on both sides of the transmission groove near the lower end, the gear fixed sleeve is arranged on one side of the outer surface of the rotating shaft, the worm wheel fixed sleeve is arranged on the other side of the outer surface of the rotating shaft, the worm is rotatably arranged on one side of the transmission groove near the upper end, and the worm and the worm wheel are meshed with each other;

[0011] Through the above technical solution, by fixing the worm wheel and the gear on the same outer surface of the rotating shaft, the gear can be driven to rotate when the worm drives the worm wheel to rotate, and the rotation of the gear can drive the fixed connecting block with the rack to move and adjust.

[0012] Furthermore, a clamping block is embedded at the midpoint of the upper end surface of the limiting shell, a rotating drum is rotatably arranged at the midpoint of the upper end surface of the limiting shell, and a limiting block is fixedly arranged at one end of the worm located in the limiting shell;

[0013] Through the above technical solution, the fixed clamping block can fix the screw on which the limit block is fixed under the drive of the rotating drum, thereby preventing the position of the cutter head from changing due to a reverse rotation.

[0014] Furthermore, a knob is fixedly arranged on the front end surface of the limit block, one end of the knob is arranged to penetrate outside the limit housing, and the rotating cylinder and the clamping block are threadedly sleeved at the upper end;

[0015] Through the above technical solution, turning the knob can drive the screw to rotate, and can also drive the gear to rotate, so as to move and adjust the knife handle fixed with the rack.

[0016] Furthermore, a square embedded block is fixedly arranged on the rear end face of the cutter head, and a fixing groove is provided at the midpoint of the upper end face and the lower end face of the square embedded block;

[0017] Through the above technical solution, the fixing blocks can be used to fix the cutter head by opening fixing grooves at the upper and lower ends of the square embedded block. The square embedded block can prevent the cutter head from shaking.

[0018] Furthermore, the cutter head is embedded in the embedding groove, and the two fixing blocks are respectively engaged with the two embedding grooves;

[0019] Through the above technical solution, the cutter head is embedded in the embedding groove and the rotating rod is rotated to drive the fixing block to fix the cutter head. At the same time, the cutter head can also be disassembled for maintenance or replacement.

[0020] Furthermore, the knife handle is embedded in the adjustment groove through a connecting block, and the rack is meshed with the gear;

[0021] Through the above technical solution, the gear and the rack are meshed, and when the gear rotates, the knife handle fixed with the rack can be driven to adjust the length.

[0022] The utility model has the following beneficial effects:

[0023] 1. The utility model proposes a milling cutter for an open groove. By embedding a cutter head fixed with a square embedding block into a cutter handle with an embedding groove, a user can use a cross screwdriver to rotate a rotating rod fixed with a cross rotating block for rotation adjustment, and at the same time drive the fixing block and the fixing grooves provided at the upper and lower ends of the square embedding block to engage with each other, thereby engaging and fixing the cutter head to prevent the cutter head from shaking or falling off.

[0024] 2. The utility model proposes a milling cutter for an open groove. By arranging a transmission mechanism on the upper end surface of an adjusting cylinder near the front end, the knob can be turned to drive the worm to rotate, and the worm wheel and gear fixedly sleeved on the outer surface of the rotating shaft can also be driven to rotate. The rotation of the gear can drive the tool handle fixed with a rack to move and adjust in the adjusting groove provided in the adjusting cylinder. The three fixed sliders can play an auxiliary movement role when the tool handle moves. The rotating cylinder can drive the clamping block to move and adjust. At the same time, the clamping block can be fitted and connected with the limit block fixedly provided at one end of the worm. After the fitting connection, the worm can be prevented from reversing. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is an axonometric schematic diagram of the utility model;

[0026] Figure 2 This is an axonometric schematic diagram of the cutter head of the utility model;

[0027] Figure 3 This is an isometric diagram of the tool handle of the utility model;

[0028] Figure 4 This is an axonometric diagram of the adjustment cylinder of the utility model;

[0029] Figure 5 It is a cross-sectional schematic diagram of the utility model;

[0030] Figure 6 It is a top view cross-sectional schematic diagram of the limit block of the utility model;

[0031] Figure 7 It is a schematic diagram of the transmission mechanism of the utility model.

[0032] Legend:

[0033] 1. Knife handle; 2. Knife head; 3. Adjustment cylinder; 4. Limiting shell; 5. Fixed groove; 6. Square embedded block; 7. Cross rotating block; 8. Embedding groove; 9. Slider; 10. Rack; 11. Connecting block; 12. Adjustment groove; 13. Knob; 14. Transmission mechanism; 1401. Rotating shaft; 1402. Gear; 1403. Worm; 1404. Worm wheel; 1405. Transmission groove; 15. Fixed block; 16. Rotating rod; 17. Rotating cylinder; 18. Block; 19. Limiting block. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0035] Example

[0036] Reference Figure 1-7 , the utility model provides an embodiment: a milling cutter with an open groove, including a handle 1, a cutter head 2 and an adjusting cylinder 3, an embedding groove 8 is provided at the center of the front end surface of the handle 1, and can be embedded with a square embedding block 6 fixedly arranged on the rear end surface of the cutter head 2, and a rotating rod 16 is embedded at the midpoint of the upper end surface and the lower end surface of the handle 1, which can drive the fixed block 15 and the square embedded block 6 to be clamped and fixed, and the upper end surfaces of the two rotating rods 16 are fixedly provided with a cross rotating block 7, which can drive the rotating rod 16 to rotate, and the lower end surfaces of the two rotating rods 16 are rotatably provided with a fixed block 15 and the square embedded block 6 to be clamped and fixed;

[0037] A connecting block 11 is fixedly provided at the center of the rear end surface of the knife handle 1, which can be embedded in the adjusting groove 12 provided on the front end surface of the adjusting cylinder 3. Slide blocks 9 are fixedly provided on the lower end surface and both sides of the connecting block 11. A rack 10 is fixedly provided on the upper end surface of the connecting block 11. A limiting housing 4 is fixedly provided on the upper end surface of the adjusting cylinder 3 near the front end. An adjusting groove 12 is provided on the front end surface of the adjusting cylinder 3, which can be engaged and connected with the connecting block 11 fixedly provided on the rear end surface of the knife handle 1. A transmission mechanism 14 is rotatably provided on the upper end surface of the adjusting cylinder 3 near the front end, which can adjust the length of the blade according to needs. The transmission mechanism includes a rotating shaft 1401, a gear 1402, a worm 1403, a worm wheel 1404 and a transmission groove 1405.

[0038] By embedding the cutter head 2 in the handle 1, the cutter head 2 can be clamped and fixed by rotating the rotating rod 16 with a cross screwdriver to prevent the cutter head 2 from falling off or being damaged due to milling errors. At the same time, the gear 1402 fixedly set on the upper end face of the connecting block 11 can be engaged with the transmission mechanism set in the adjusting cylinder 3, and the length of the cutter head 2 can be adjusted as needed. At the same time, the structure fixed in the limit shell 4 can fix the adjusted length.

[0039] The rotating shaft 1401 is rotatably arranged on both sides of the transmission groove 1405 near the lower end, the gear 1402 is fixedly sleeved on one side of the outer surface of the rotating shaft 1401, the worm wheel 1404 is fixedly sleeved on the other side of the outer surface of the rotating shaft 1401, and the worm 1403 is rotatably arranged on one side of the transmission groove 1405 near the upper end, and the worm 1403 and the worm wheel 1404 are meshed with each other. By fixing the worm wheel 1404 and the gear 1402 on the same outer surface of the rotating shaft 1401, the gear 1402 can be driven by the worm 1403 to rotate while the worm wheel 1404 rotates. 402 rotates, and the rotation of the gear 1402 can drive the connecting block 11 fixed with the rack 10 to move and adjust, a clamping block 18 is embedded at the midpoint of the upper end surface of the limiting shell 4, and a rotating drum 17 is rotatably set at the midpoint of the upper end surface of the limiting shell 4, and a limiting block 19 is fixed at one end of the worm 1403 located in the limiting shell 4. The fixed clamping block 18 can fix the screw fixed with the limiting block 19 under the drive of the rotating drum 17, which can prevent the reverse situation from causing the position of the cutter head 2 to change.

[0040] A knob 13 is fixedly provided on the front end face of the limit block 19, and one end of the knob 13 is penetrated and arranged outside the limit housing 4. The rotating cylinder 17 and the clamping block 18 are threadedly sleeved on the upper end. Turning the knob 13 can drive the screw to rotate, and can also drive the gear 1402 to rotate, so as to move and adjust the handle 1 fixed with the rack 10. A square embedded block 6 is fixedly provided on the rear end face of the cutter head 2, and fixing grooves 5 are provided at the midpoints of the upper and lower end faces of the square embedded block 6. The fixing block 15 can be fixed by opening the fixing grooves 5 at the upper and lower ends of the square embedded block 6. The square embedded block 6 can be used to prevent the cutter head 2 from shaking.

[0041] The cutter head 2 is embedded in the embedding groove 8, and the two fixing blocks 15 are respectively engaged with the two embedding grooves 8. The cutter head 2 is embedded in the embedding groove 8 and the rotating rod 16 is rotated to drive the fixing block 15 to fix the cutter head 2. At the same time, the cutter head 2 can also be disassembled for maintenance or replacement. The handle 1 is embedded in the adjusting groove 12 through the connecting block 11, and the rack 10 is meshed with the gear 1402. The gear 1402 is meshed with the rack 10, and the length of the handle 1 fixed with the rack 10 can be adjusted when the gear 1402 rotates.

[0042] During use, first, the user can embed the tool head 2 to be used into the embedding groove 8 provided on the front end surface of the tool handle 1, and use a cross screwdriver to drive the rotating rod 16 fixed with the cross rotating block 7 to move and adjust, so that the fixing block 15 can be embedded and fixed with the fixing groove 5 provided at the upper and lower ends of the square embedding block 6. Secondly, the user can rotate the knob 13 as needed, and after rotation, the worm 1403 in the transmission mechanism 14 can be driven to rotate. The rotation of the worm 1403 can drive the worm wheel 1404 fixedly sleeved on the outer surface of the rotating shaft 1401 to rotate. The rotation of the worm wheel 1404 can drive the fixedly sleeved gear 1402 to rotate. At the same time, the gear 1402 can drive the rack 10 that is embedded and connected with each other to move and adjust, and also drive the tool handle 1 fixedly connected to the rack 10 to adjust the length. Finally, after the length is adjusted, the user can rotate the rotating drum 17 to drive the clamping block 18 to fit and fix the limit block 19 fixedly set at one end of the worm 1403 to prevent the worm 1403 from reversing.

[0043] Working principle: When in use, the user can first embed the cutter head 2 into the front end surface of the handle 1, and use a cross screwdriver to drive the rotating rod 16 to move and adjust, so that the fixed block 15 can be embedded and fixed with the square embedded block 6. Secondly, the user can turn the knob 13 as needed to drive the worm 1403 to rotate. The rotation of the worm 1403 can drive the worm wheel 1404 to rotate, and can also drive the gear 1402 to rotate. The gear 1402 can drive the handle 1 fixedly connected to the rack 10 to adjust the length. Finally, the user can rotate the rotating drum 17 to drive the clamping block 18 to fit and fix the limit block 19.

[0044] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A milling cutter for an open groove, comprising a handle (1), a cutter head (2) and an adjustment tube (3), characterized in that: An embedding groove (8) is provided at the center of the front end surface of the knife handle (1); a rotating rod (16) is threadedly embedded at the midpoint of the upper end surface and the lower end surface of the knife handle (1); a cross rotating block (7) is fixedly provided on the upper end surfaces of the two rotating rods (16); and a fixed block (15) is rotatably provided on the lower end surfaces of the two rotating rods (16); A connecting block (11) is fixedly arranged at the center of the rear end face of the knife handle (1), a sliding block (9) is fixedly arranged on the lower end face and both sides of the connecting block (11), a rack (10) is fixedly arranged on the upper end face of the connecting block (11), a limiting housing (4) is fixedly arranged on the upper end face of the adjusting cylinder (3) near the front end, an adjusting groove (12) is provided on the front end face of the adjusting cylinder (3), and a transmission mechanism (14) is arranged inside the upper end face of the adjusting cylinder (3) near the front end, and the transmission mechanism comprises a rotating shaft (1401), a gear (1402), a worm (1403), a worm wheel (1404) and a transmission groove (1405).

2. A milling cutter for an open slot according to claim 1, characterized in that: The rotating shaft (1401) is rotatably arranged on both sides of the transmission groove (1405) near the lower end, the gear (1402) is fixedly sleeved on one side of the outer surface of the rotating shaft (1401), the worm wheel (1404) is fixedly sleeved on the other side of the outer surface of the rotating shaft (1401), the worm (1403) is rotatably arranged on one side of the transmission groove (1405) near the upper end, and the worm (1403) and the worm wheel (1404) are meshed with each other.

3. A milling cutter for an open slot according to claim 1, characterized in that: A clamping block (18) is embedded at the midpoint of the upper end surface of the limiting shell (4), a rotating drum (17) is rotatably arranged at the midpoint of the upper end surface of the limiting shell (4), and a limiting block (19) is fixedly arranged at one end of the worm (1403) located in the limiting shell (4).

4. A milling cutter for an open slot according to claim 3, characterized in that: A knob (13) is fixedly arranged on the front end surface of the limit block (19), one end of the knob (13) is arranged to penetrate outside the limit housing (4), and the rotating cylinder (17) and the clamping block (18) are threadedly sleeved at the upper ends.

5. A milling cutter for an open slot according to claim 1, characterized in that: A square embedded block (6) is fixedly arranged on the rear end face of the cutter head (2), and a fixing groove (5) is provided at the midpoint of the upper end face and the lower end face of the square embedded block (6).

6. A milling cutter for an open slot according to claim 1, characterized in that: The cutter head (2) is embedded in the embedding groove (8), and the two fixing blocks (15) are respectively engaged with the two embedding grooves (8).

7. A milling cutter for an open slot according to claim 1, characterized in that: The knife handle (1) is embedded in the adjustment groove (12) via a connecting block (11), and the rack (10) and the gear (1402) are meshingly connected.

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