Composite thread milling cutter

Abstract

The utility model relates to the technical field of machining cutters, and particularly discloses a composite thread milling cutter which comprises a cutter body, a mounting section, a connecting section and a cutter handle, the cutter handle is fixedly connected with the connecting section, the cutter body is fixedly connected with the connecting section, the mounting section is fixedly connected with the cutter handle, and the whole cutter is connected and driven to rotate through the mounting section. The multiple spiral grooves and the four sets of composite teeth of the cutter body are matched, the composite teeth are high in continuity during rotation and smoother in the machining process, meanwhile, the spiral grooves can discharge sweeps generated during machining in time, movement of the sweeps is limited, splashing of the sweeps is avoided, and the problems that the milling cutter is poor in continuity in the machining process, and the machining efficiency is high are solved through the design. The problems that a continuous machining process cannot be achieved, and generated sweeps are prone to splashing and inconvenient to collect are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical processing cutter technical field especially relates to a kind of composite thread milling cutter. BACKGROUND

[0002] Machine tool staggered tooth thread milling cutter is a kind of machine tool cutter specially used for processing thread, and the current traditional mechanical processing cutter cutting amount is small, processing speed is slow, and the service life of tool is short, and when large cutting amount, tool and workpiece will produce resonance, so that the processing speed cannot be improved, and the service life of tool will be shortened.

[0003] In the prior art, patent (CN220462514U) proposes a composite thread milling cutter based on hard workpiece cutting, including milling cutter seat, and first thread milling cutter slidingly installed below the milling cutter seat, second thread milling cutter is installed in the first thread milling cutter, limit structure is installed at the connection of the first thread milling cutter and the milling cutter seat, and extension structure is installed at the connection of the first thread milling cutter and the second thread milling cutter, the knob of the extension structure drives the connecting rod to rotate, the connecting rod drives the first bevel gear to rotate, the first bevel gear drives the second bevel gear to rotate, the fixed shaft and the screw are driven to rotate by the second bevel gear, so that the screw extends out of the inside of the first thread milling cutter when rotating, so as to realize the extension effect of the whole milling cutter after the extension of the second thread milling cutter, and different workpieces can be conveniently processed.

[0004] However, in the above prior art, the milling cutter has poor continuity during processing, cannot realize continuous processing, and the generated waste chips are easy to splash and inconvenient to collect. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a composite thread milling cutter, to solve the technical problem that the milling cutter in the prior art has poor continuity during processing, cannot realize continuous processing, and the generated waste chips are easy to splash and inconvenient to collect.

[0006] To achieve the above object, the utility model adopts a kind of composite thread milling cutter, including blade, installation section, connecting section and handle, the handle is fixedly connected with the connecting section, and located at one end of the connecting section, the blade is fixedly connected with the connecting section, and located at the other end of the connecting section, the installation section is fixedly connected with the handle, and located at one end of the handle away from the connecting section.

[0007] Wherein, the installation section includes installation cylinder and multiple installation strips, each installation strip is fixedly connected with the installation cylinder, and located at the circumferential side of the installation cylinder, the installation cylinder is fixedly connected with the handle, and located at one end of the handle.

[0008] The cutter body comprises a threaded cutter barrel and a cutter head, the cutter head is fixedly connected with the threaded cutter barrel and located at one end of the threaded cutter barrel, and the other end of the threaded cutter barrel is fixedly connected with the connecting section and located at one end of the connecting section away from the mounting barrel.

[0009] The threaded cutter barrel has a plurality of spiral grooves, and each spiral groove is uniformly distributed on the circumferential side of the threaded cutter barrel.

[0010] The cutter head has four groups of composite teeth, each group of the composite teeth is uniformly arranged on the circumferential side of the cutter head, the tooth pitch of each composite tooth is 1.5 mm, and the tooth width of each composite tooth is 2 mm.

[0011] Each group of the composite teeth has a circular arc clearance angle α and an included angle β, the circular arc clearance angle α is 8°, and the included angle β is 9.0°-10.0°.

[0012] The utility model discloses a composite thread milling cutter, the cutter body, the mounting section, the connecting section and the shank whole connection length is 75mm, the shank and the mounting barrel diameter are all 10mm, the connecting section connects one end of threaded cutter barrel has the inclination angle gamma, gamma angle is 60 DEG, the threaded cutter barrel and the cutter head connection straight line length is 30mm, from the cutter head place extends to the threaded cutter barrel circumferential side's a plurality of spiral groove length is 25mm, the cutter head length is 4.5mm, simultaneously, the threaded cutter barrel's diameter is 8mm, and the whole cutter presents continuous two -segment structure, and the cutter body strength is high, and the service life is long, the mounting barrel with the shank material is same, and there is no bottom hole, and the convex that forms through a plurality of the installation strip is connected with external driving equipment and is inserted, thereby realizing the rotation of shank and threaded cutter barrel, the threaded cutter barrel and the cutter head are integrated processing when processing, and it is a complete cutter barrel, and the integrated processing ensures that the cutter whole strength is high, and there is no separation condition after long -term use, and the continuity is good, reduces the time and raw material that consumes in the casting process, can also reduce the cost when producing, and each spiral groove is from the cutter head to the threaded cutter barrel and extends, and presents spiral attitude, and the purpose lies in better dredging the generated scrap in the processing, and the scrap is discharged from the cutter head through the corresponding spiral groove, and also will not splash due to not being restrained, and the stability of scrap in the processing is ensured, and each group of the composite teeth is also corresponding circular arc clearance angle, and the angle of each circular arc clearance angle is 8°, and it is the main work area of the equipment, and the shank is fixed through the mounting barrel and a plurality of the installation strip with external driving equipment, and the threaded cutter barrel is driven to rotate, thereby driving the rotation of each circular arc clearance angle, thereby realizing the processing attitude. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without any creative effort.

[0014] Fig. 1 is the front view of the composite thread milling cutter of the present application.

[0015] Fig. 2 is the side view of the composite thread milling cutter of the present application.

[0016] Fig. 3 is the enlarged view of the partial structure of the composite thread milling cutter of the present application.

[0017] 1-shank, 2-mounting section, 3-connection section, 4-handle, 5-mounting cylinder, 6-mounting strip, 7-thread cutter cylinder, 8-bit, 9-helical groove, 10-composite tooth. DETAILED DESCRIPTION

[0018] Please refer to Figs. 1-3 The present application provides a composite thread milling cutter, which comprises a shank 1, a mounting section 2, a connection section 3 and a handle 4, the handle 4 is fixedly connected with the connection section 3 and located at one end of the connection section 3, the shank 1 is fixedly connected with the connection section 3 and located at the other end of the connection section 3, the mounting section 2 is fixedly connected with the handle 4 and located at one end of the handle 4 away from the connection section 3, the overall connection length of the shank 1, the mounting section 2, the connection section 3 and the handle 4 is 75 mm, the diameters of the handle 4 and the mounting cylinder 5 are both 10 mm, the connection section 3 has an inclination angle γ at one end connected with the thread cutter cylinder 7, the γ angle is 60°, the connection straight line length of the thread cutter cylinder 7 and the bit 8 is 30 mm, the length of the plurality of helical grooves 9 extending from the bit 8 to the circumference of the thread cutter cylinder 7 is 25 mm, and the length of the bit 8 is 4.5 mm. Meanwhile, the diameter of the thread cutter cylinder 7 is 8 mm, the overall cutter presents a continuous two-section structure, the cutter body has high strength and long service life.

[0019] Further, the mounting section 2 comprises a mounting cylinder 5 and a plurality of mounting strips 6, each mounting strip 6 is fixedly connected with the mounting cylinder 5 and located at the circumference of the mounting cylinder 5, the mounting cylinder 5 is fixedly connected with the handle 4 and located at one end of the handle 4, the mounting cylinder 5 and the handle 4 are made of the same material and have no bottom hole, the protrusions formed by the plurality of mounting strips 6 are connected with the external driving equipment through plug-in connection, so as to drive the rotation of the handle 4 and the thread cutter cylinder 7.

[0020] Further, the blade body 1 comprises a threaded blade barrel 7 and a blade head 8, the blade head 8 is fixedly connected with the threaded blade barrel 7 and located at one end of the threaded blade barrel 7, the other end of the threaded blade barrel 7 is fixedly connected with the connecting section 3 and located at the end of the connecting section 3 away from the mounting barrel 5, the threaded blade barrel 7 and the blade head 8 are integrally machined during processing, which is a complete blade barrel, and the integrally machining ensures that the overall strength of the tool is high, and the tool will not separate after long-term use, and the continuity is good, which reduces the time and raw materials consumed in the casting process, and also reduces the cost during production.

[0021] Further, the threaded blade barrel 7 has a plurality of spiral grooves 9, each of the spiral grooves 9 is uniformly distributed on the circumferential side of the threaded blade barrel 7, and each of the spiral grooves 9 extends from the blade head 8 to the threaded blade barrel 7, showing a spiral posture, which is used to better guide the generated waste during processing, and the waste is discharged from the blade head 8 through the corresponding spiral groove 9, and will not splash due to no constraint, which ensures the stability of the waste during processing.

[0022] Further, the blade head 8 has four groups of composite teeth 10, each group of the composite teeth 10 is uniformly arranged on the circumferential side of the blade head 8, and the tooth pitch of each of the composite teeth 10 is 1.5 mm, and the tooth width of each of the composite teeth 10 is 2 mm, and the external driving device is fixed with the tool shank 4 through the mounting barrel 5 and a plurality of mounting strips 6, drives the tool shank 4 and the threaded blade barrel 7 to rotate, thereby driving the rotation of each circular arc clearance angle, thereby realizing the processing posture.

[0023] Further, each group of the composite teeth has a circular arc clearance angle α and an included angle β, the circular arc clearance angle α is 8°, and the included angle β is 9.0°-10.0°.

[0024] In the embodiment, the overall connecting length of the blade body 1, the mounting section 2, the connecting section 3 and the shank 4 is 75 mm, the diameter of the shank 4 and the mounting cylinder 5 is 10 mm, the connecting section 3 connects one end of the threaded cylinder 7 with an inclined angle γ, the angle γ is 60°, the connecting straight length of the threaded cylinder 7 and the head 8 is 30 mm, the length of the plurality of helical grooves 9 extending from the head 8 to the side of the threaded cylinder 7 is 25 mm, the length of the head 8 is 4.5 mm, meanwhile, the diameter of the threaded cylinder 7 is 8 mm, the overall tool presents a continuous two-section structure, the tool body has high strength and long service life, the mounting cylinder 5 and the shank 4 are made of the same material and have no bottom hole, the protrusions formed by the plurality of mounting strips 6 are connected with the external driving device in plug-in connection, so as to drive the rotation of the shank 4 and the threaded cylinder 7, the threaded cylinder 7 and the head 8 are integrally machined during machining and are a complete cylinder, the integral machining ensures that the overall tool has high strength and will not be separated after long-term use, has good continuity, reduces the time and raw materials consumed in the casting process, and can reduce the cost during production, each helical groove 9 extends from the head 8 to the threaded cylinder 7 and presents a helical posture, which aims to better guide the generated waste during machining, the waste is discharged from the head 8 through the corresponding helical groove 9 and will not splash due to the lack of constraint, so as to ensure the stability of the waste during machining, the external driving device is fixed with the shank 4 through the mounting cylinder 5 and the plurality of mounting strips 6, drives the rotation of the shank 4 and the threaded cylinder 7, so as to drive the rotation of each circular rear angle, so as to realize the machining posture, during rotation, each circular rear angle is attached to the workpiece, so that only the continuous advancement of the threaded cylinder 7 is required during drilling machining.

[0025] The above only discloses a preferred embodiment of the utility model, of course, cannot limit the scope of the utility model, and those skilled in the art can understand that the whole or part of the above-mentioned embodiment can be implemented, and equivalent changes can be made according to the utility model claim, which still belongs to the range covered by the utility model.

Claims

1. A composite thread milling cutter, characterized in that, It includes a blade, a mounting section, a connecting section, and a handle. The handle is fixedly connected to the connecting section and is located at one end of the connecting section. The blade is fixedly connected to the connecting section and is located at the other end of the connecting section. The mounting section is fixedly connected to the handle and is located at the end of the handle away from the connecting section.

2. The composite thread milling cutter as described in claim 1, characterized in that, The mounting section includes a mounting cylinder and multiple mounting strips. Each mounting strip is fixedly connected to the mounting cylinder and located on the periphery of the mounting cylinder. The mounting cylinder is fixedly connected to the tool holder and located at one end of the tool holder.

3. The composite thread milling cutter as described in claim 2, characterized in that, The blade includes a threaded cutter barrel and a cutter head. The cutter head is fixedly connected to the threaded cutter barrel and located at one end of the threaded cutter barrel. The other end of the threaded cutter barrel is fixedly connected to the connecting section and located at the end of the connecting section away from the mounting cylinder.

4. The composite thread milling cutter as described in claim 3, characterized in that, The threaded cutter barrel has multiple helical grooves, each of which is evenly distributed around the periphery of the threaded cutter barrel.

5. The composite thread milling cutter as described in claim 4, characterized in that, The cutter head has four sets of composite teeth, each set of composite teeth is evenly arranged on the periphery of the cutter head, and the tooth pitch of each composite tooth is 1.5mm and the tooth width of each composite tooth is 2mm.

6. The composite thread milling cutter as described in claim 5, characterized in that, Each set of the composite teeth has a circular arc back angle α and an included angle β, wherein the circular arc back angle α is 8° and the included angle β is 9.0°~10.0°.

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