Grooving cutter with built-in helical angle
The grooving cutter, with its built-in helix angle and tooth block chamfer design, solves the problems of vibration and burrs caused by the superposition of cutting forces, improves machining accuracy and lifespan, and reduces costs.
Patent Information
- Application Number
- CN202422879576.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-26
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-11-26
AI Technical Summary
In traditional grooving tool designs, the superposition of cutting forces causes vibration in the machine tool and cutting tool, affecting machining accuracy and lifespan. Furthermore, burrs require additional removal processes, increasing costs.
The cutter features a built-in helix angle with adjacent helixes having opposite angles to counteract cutting forces. The root of the tooth block is chamfered to remove burrs, and the tool is protected by a protective component.
Reduce tool vibration, improve machining accuracy and life, avoid burr formation, reduce machining costs, and protect tools from damage.
Smart Images
Figure CN223557281U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of cutting tool for machining, especially to a slotting tool with built-in spiral angle. BACKGROUND
[0002] In metal cutting, slotting tools are very important, and their performance and structure have a significant impact on machining quality, efficiency and cost. The excellent performance of slotting tools can achieve high-precision cutting and improve production efficiency.
[0003] In traditional slotting tool design, the same direction of cutting force superposition will cause large vibration of machine tool and cutting tool, affecting machining accuracy and tool life, and burrs generated by cutting need to be removed by additional subsequent processes, increasing processing cost and time. SUMMARY
[0004] To make up for the above shortcomings, the utility model provides a slotting tool with built-in spiral angle, aiming to improve the problem that the cutting force superposition of the existing slotting tool causes tool vibration and burrs need to be removed by additional processes.
[0005] To achieve the above purpose, the utility model provides the following technical scheme: a slotting tool with built-in spiral angle, comprising a handle, a fixed block is fixedly connected to the right end of the handle, a tool bit is fixedly connected to the left end of the handle, a spiral groove is formed on the surface of the tool bit, a tooth block is arranged between adjacent two spiral grooves, a plurality of tooth blocks are fixedly connected between the tool bit, an air slot is formed in the inner diameter of the handle and the tool bit, a fixed cylinder is arranged on the surface of the handle, a protection assembly is arranged on the surface of the fixed cylinder, and the protection assembly is used for protecting the cutting tool.
[0006] Preferably, the protection assembly comprises two sliding grooves, the two sliding grooves are formed on the surface of the fixed cylinder, a sliding block is slidably connected in each of the two sliding grooves, and a protection shell is fixedly connected between the outer sides of the two sliding blocks.
[0007] Preferably, a buckle is rotatably connected to the top of the fixed cylinder, and a connecting block is fixedly connected to the top of the buckle.
[0008] Preferably, a pull ring is rotatably connected to the top of the connecting block.
[0009] Preferably, a tension spring is fixedly connected to the right side of the bottom of the buckle.
[0010] Preferably, the tension spring is fixedly connected between the bottom end and the fixed cylinder.
[0011] Preferably, a groove is formed in the inner diameter of the protection shell.
[0012] Preferably, two fixed parts are fixedly connected to the right end of the fixed cylinder, and a screw hole is formed on the surface of each of the two fixed parts.
[0013] The utility model has the advantages of the following:
[0014] 1、The utility model discloses a cutting tool, including handle, the head of a knife, tooth block, spiral groove, empty slot, fixed block, protective shell, sliding groove, fixed piece, buckle, connecting block, fixed cylinder, tension spring, screw hole, sliding block, recess, pull ring, the head of a knife is provided with two spiral grooves, and the spiral angle of adjacent two spiral grooves is opposite, and the cutting force produced when cutting is also opposite, the cutting force of two opposite directions interacts and cancels out each other, and when the force cancels out each other, the unbalanced force on the cutter will reduce, and the chamfer of tooth block root position plays a transition and cutting effect, when cutting reaches the groove bottom, the chamfer part first contacts workpiece and carries out trace cutting, and the trace cutting can remove the burr formed, solves the problem that the existing slot cutter cutting force superposition leads to cutter vibration and burr needs to be removed in additional process.
[0015] 2、The utility model discloses a cutting tool, including handle, the head of a knife, tooth block, spiral groove, empty slot, fixed block, protective shell, sliding groove, fixed piece, buckle, connecting block, fixed cylinder, tension spring, screw hole, sliding block, recess, pull ring, the head of a knife is provided with two spiral grooves, and the spiral angle of adjacent two spiral grooves is opposite, and the cutting force produced when cutting is also opposite, the cutting force of two opposite directions interacts and cancels out each other, and when the force cancels out each other, the unbalanced force on the cutter will reduce, and the chamfer of tooth block root position plays a transition and cutting effect, when cutting reaches the groove bottom, the chamfer part first contacts workpiece and carries out trace cutting, and the trace cutting can remove the burr formed, solves the problem that the existing slot cutter cutting force superposition leads to cutter vibration and burr needs to be removed in additional process. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a schematic diagram of the head of the slot cutter with built-in spiral angle that the utility model proposes;
[0017] Figure 2 It is a schematic diagram of the handle section of the slot cutter with built-in spiral angle that the utility model proposes;
[0018] Figure 3 It is a schematic diagram of the main body of the slot cutter with built-in spiral angle that the utility model proposes;
[0019] Figure 4 It is a schematic diagram of the fixed cylinder section of the slot cutter with built-in spiral angle that the utility model proposes.
[0020] LEGEND:
[0021] 1, handle;2, the head of a knife;3, tooth block;4, spiral groove;5, empty slot;6, fixed block;7, protective shell;8, sliding groove;9, fixed piece;10, buckle;11, connecting block;12, fixed cylinder;13, tension spring;14, screw hole;15, sliding block;16, recess;17, pull ring. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the utility model will be apparently and completely described in the description of the utility model and the drawings of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor belong to the protection scope of the utility model.
[0023] With reference to Figures 1-4 The utility model provides an embodiment: a kind of slot cutter with built-in spiral angle, including handle 1, fixed block 6 is fixedly connected in handle 1 right end, handle 1 left end is fixedly connected with tool bit 2, the even distribution of spiral groove 4 is set on the surface of tool bit 2, tooth block 3 is set between adjacent two spiral grooves 4, multiple tooth blocks 3 are fixedly connected between tool bit 2, the inner diameter of handle 1 and tool bit 2 is set with hollow slot 5, handle 1 surface is provided with fixed cylinder 12, protective assembly is provided on the surface of fixed cylinder 12, and protective assembly is used to protect cutter.
[0024] Specifically, the spiral angle between adjacent two spiral grooves 4 is opposite, the cutting force generated by one spiral groove 4 tends to make the cutter offset and vibrate to the left, and the cutting force in the opposite direction generated by adjacent spiral groove 4 tends to make the cutter offset and vibrate to the right, the two opposite direction cutting forces interact and offset each other to some extent, since the unbalance of cutting force is one of the main reasons for vibration, when these forces offset each other, the unbalance force acting on the cutter as a whole will be reduced, thereby effectively reducing the vibration of the cutter during cutting, the reduction of vibration not only helps to improve the machining accuracy and surface quality, but also prolongs the service life of the cutter and machine tool, the root of multiple tooth blocks 3 has chamfer, the chamfer design of tooth block 3 root plays a transition and cutting role, when the cutter cuts to the groove bottom, chamfer part first contacts workpiece and carries out trace cutting, this trace cutting can remove the burr formed originally, because the existence of chamfer changes the edge condition of cutting, so that the material can be more smooth and neat when being cut and separated, thereby avoiding the generation of burr, hollow slot 5 can reduce the overall weight of the cutter, which helps to reduce the load of machine tool during machining, so that the machine tool moves more flexibly, improves machining speed and accuracy, can optimize the internal stress distribution of cutter, improves the rigidity and anti-vibration performance of cutter, makes the cutter more stable during cutting, reduces machining error.
[0025] With reference to Figure 3 The protective assembly includes two sliding grooves 8, the two sliding grooves 8 are arranged on the surface of the fixed cylinder 12, and the two sliding grooves 8 are slidably connected with the sliding blocks 15.
[0026] With reference to Figure 3The top of the fixing cylinder 12 is rotationally connected with the buckle 10, and the top of the buckle 10 is fixedly connected with the connecting block 11.
[0027] With reference to Figure 3 The top of the connecting block 11 is rotationally connected with the pull ring 17.
[0028] With reference to Figure 4 The bottom right of the buckle 10 is fixedly connected with the tension spring 13.
[0029] With reference to Figure 4 The bottom end of the tension spring 13 is fixedly connected with the fixing cylinder 12.
[0030] With reference to Figure 4 The inner diameter of the protective shell 7 is provided with the groove 16.
[0031] With reference to Figure 4 The right end of the fixing cylinder 12 is fixedly connected with two fixing pieces 9, and the surfaces of the two fixing pieces 9 are provided with screw holes 14.
[0032] Specifically, the fixing cylinder 12 is fixed on the clamp by using the screw from the screw hole 14 on the fixing piece 9, when not in use, the pull ring 17 is pulled to drive the connecting block 11 and the buckle 10 to rotate, at this time, the buckle 10 is separated from the groove 16 in the protective shell 7, so that the protective shell 7 can freely fall down, thereby protecting the tool bit 2. Since the left side of the sliding groove 8 does not penetrate the fixing cylinder 12, the protective shell 7 will not fall off, when cutting, the protective shell 7 is slid upward, the buckle 10 buckles the groove 16 in the protective shell 7, and under the action of the tension spring 13, the protective shell 7 is prevented from falling down.
[0033] Working principle: the helix angle between two adjacent helical grooves 4 is opposite, the cutting force generated by one helical groove 4 tends to make the tool deviate and vibrate to the left, while the opposite direction cutting force generated by the adjacent helical groove 4 tends to make the tool deviate and vibrate to the right, the two opposite direction cutting forces interact and offset each other to some extent, since the unbalance of the cutting force is one of the main reasons for the vibration, when the forces offset each other, the unbalance force acting on the tool as a whole will be reduced, thereby effectively reducing the vibration of the tool during cutting, the reduction of vibration not only helps to improve the machining precision and surface quality, but also prolongs the service life of the tool and the machine tool, the root of the plurality of tooth blocks 3 is chamfered, the chamfer design of the root of the tooth block 3 plays a transition and cutting role, when the tool cuts to the groove bottom, the chamfer part first contacts the workpiece and performs micro cutting, the micro cutting can remove the burrs formed originally, because the chamfer changes the edge conditions of cutting, the material can be more smooth and neat when being cut and separated, thereby avoiding the generation of burrs, the hollow groove 5 can reduce the overall weight of the tool, which helps to reduce the load of the machine tool during machining, makes the machine tool movement more flexible, improves the machining speed and precision, can optimize the internal stress distribution of the tool, improves the rigidity and anti-vibration performance of the tool, makes the tool more stable during cutting, reduces the machining error, the fixed cylinder 12 is fixed on the clamp by using the screw from the screw hole 14 of the fixing piece 9, when not in use, pull the pull ring 17 to drive the connecting block 11 and the buckle 10 to rotate, at this time, the buckle 10 is separated from the groove 16 in the protective shell 7, so that the protective shell 7 can freely fall down, thereby protecting the tool bit 2, since the left side of the sliding groove 8 does not penetrate the fixed cylinder 12, the protective shell 7 will not fall off, when cutting, slide the protective shell 7 upwards, the buckle 10 buckles the groove 16 in the protective shell 7, under the action of the tension spring 13, the protective shell 7 is prevented from falling down.
[0034] Finally, it should be pointed out that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.
Claims
1. A grooving cutter with a built-in helix angle, comprising a shank (1), characterized in that: A fixing block (6) is fixedly connected to the right end of the handle (1), and a cutting head (2) is fixedly connected to the left end of the handle (1). The surface of the cutting head (2) is provided with evenly distributed spiral grooves (4). A tooth block (3) is provided between two adjacent spiral grooves (4). Multiple tooth blocks (3) are fixedly connected to the cutting head (2). The inner diameters of the handle (1) and the cutting head (2) are provided with slots (5). A fixing cylinder (12) is provided on the surface of the handle (1). A protective component is provided on the surface of the fixing cylinder (12). The protective component is used to protect the cutting tool.
2. A grooving cutter with a built-in helix angle according to claim 1, characterized in that: The protective assembly includes two slides (8), both of which are formed on the surface of the fixed cylinder (12). A slider (15) is slidably connected in each of the two slides (8), and a protective shell (7) is fixedly connected between the outer sides of the two sliders (15).
3. A grooving cutter with a built-in helix angle according to claim 1, characterized in that: The top of the fixed cylinder (12) is rotatably connected to a buckle (10), and the top of the buckle (10) is fixedly connected to a connecting block (11).
4. A grooving cutter with a built-in helix angle according to claim 3, characterized in that: A pull ring (17) is rotatably connected to the top of the connecting block (11).
5. A grooving cutter with a built-in helix angle according to claim 3, characterized in that: A tension spring (13) is fixedly connected to the bottom right side of the buckle (10).
6. A grooving cutter with a built-in helix angle according to claim 5, characterized in that: The bottom end of the tension spring (13) is fixedly connected to the fixed cylinder (12).
7. A grooving cutter with a built-in helix angle according to claim 2, characterized in that: The inner diameter of the protective shell (7) is provided with a groove (16).
8. A grooving cutter with a built-in helix angle according to claim 1, characterized in that: The right end of the fixed cylinder (12) is fixedly connected to two fasteners (9), and the surfaces of the two fasteners (9) are provided with screw holes (14).