Stainless steel cutting thread milling cutter capable of preventing scrap accumulation

Abstract

The utility model belongs to the field of milling cutters, particularly relates to a stainless steel cutting thread milling cutter capable of preventing scrap accumulation, and aims to solve the problems that in the prior art, scraps generated by cutting are inconvenient to discharge in time, so that the scraps are easy to block, and workpiece processing is influenced. One end of the milling cutter body is connected with a fixed handle, the outer surface of the milling cutter body is provided with a chip removal groove, the outer surface of the fixed handle is provided with a chip removal mechanism used for discharging sweeps in an auxiliary mode, and one end of the fixed handle is provided with a limiting mechanism used for limiting feeding of the milling cutter. According to the utility model, the sprayed cooling liquid is discharged from the inside of the hole to the outside so as to cool the milling cutter body, and as the cooling liquid is discharged from the outside through the chip groove, sweeps collected in the chip groove can be flushed out, so that the condition of accumulation of the sweeps is effectively reduced, and the influence of the sweeps on workpiece processing is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a thread milling cutter, in particular to a stainless steel thread milling cutter capable of preventing accumulation of swarf, and belongs to the technical field of milling cutters. BACKGROUND

[0002] The stainless steel thread milling cutter is a tool specially used for cutting threads on stainless steel materials. Thread milling cutter milling not only has high speed, but also increases the number of cutting edges through the design of multiple cutter grooves, so that the feed speed can be easily increased and the machining efficiency can be greatly improved. In the machining of long threads, longer cutting edges can be selected to reduce the axial feed distance to further improve the machining efficiency. The stainless steel thread milling cutter is widely used in the fields of mechanical manufacturing, such as automobiles, aerospace, ships, machine tools, mold manufacturing, medical devices, and electronic equipment manufacturing.

[0003] In the prior art, such as the thread milling cutter disclosed in the utility model with the announcement number CN214053968U, which includes a tool head, a groove, a bottom edge, a tool tip, a tool body, a peripheral edge, a polishing layer, a chip removal groove, a tool handle, a positioning block, a positioning hole, a tool holder, a positioning groove, and a through hole. It can improve the overall strength of the milling cutter, the peripheral edge, the polishing layer, and the chip removal groove are in a threaded shape, which facilitates polishing the workpiece while cutting, the tool handle is connected to the tool holder through the positioning block and the positioning groove in a clamping groove type, which facilitates stable placement of the milling cutter, the positioning groove has a rubber pad, which reduces the vibration amplitude of the milling cutter and ensures the machining precision, and the through hole has four holes, which facilitates the fixation of the milling cutter on the rotating machine tool through the tool holder, and the stress is evenly distributed to avoid loosening after long-term use.

[0004] Although the above technical solution can improve the overall strength of the milling cutter and facilitate polishing the workpiece while cutting, the tool handle is connected to the tool holder through the positioning block and the positioning groove in a clamping groove type, which is not convenient for timely discharge of the swarf generated during cutting, leading to easy clogging of the swarf and affecting the machining of the workpiece. Therefore, a stainless steel thread milling cutter capable of preventing accumulation of swarf is provided to overcome the above-mentioned defects. UTILITY MODEL CONTENTS

[0005] The utility model is provided to solve the problem of inconvenience in timely discharge of swarf generated during cutting, leading to easy clogging of the swarf and affecting the machining of the workpiece.

[0006] The utility model discloses a prevent the accumulation of swarf's stainless steel cutting thread milling cutter, including milling cutter body, the one end of milling cutter body is connected with fixed handle, the outer surface of milling cutter body is equipped with the chip groove, the outer surface of fixed handle is equipped with the chip removal mechanism for the auxiliary discharge of swarf, the one end of fixed handle is equipped with the limiting mechanism for the feed limiting of milling cutter,

[0007] The chip removal mechanism includes a mounting shell, the mounting shell is sleeved on the outer surface of the milling cutter body, a water inlet is formed in the outer wall of the mounting shell, a through hole is formed in the outer wall of the milling cutter body and communicates with the mounting shell, a connecting rod is fixed to the tail end of the milling cutter body, a water injection hole is formed in the front end of the connecting rod and communicates with the through hole.

[0008] As a further scheme of the utility model: three limiting holes are formed in the outer wall of the connecting rod, and a fixing bolt threadedly connected with the milling cutter body is inserted into each of the three limiting holes.

[0009] As a further scheme of the utility model: two fixing bearings are fixed in the mounting shell and sleeved on the fixed handle.

[0010] As a further scheme of the utility model: an installation cavity is formed in the milling cutter body and connected with the connecting rod.

[0011] As a further scheme of the utility model: the limiting mechanism includes a guide ring, and the guide ring is sleeved on the outer surface of the fixed handle.

[0012] As a further scheme of the utility model: two fixing rods are fixed to the side wall of the guide ring, and a limiting bearing is fixed in the guide ring and sleeved on the fixed handle.

[0013] As a further scheme of the utility model: two limiting blocks are fixed to the inner wall of the limiting bearing in a symmetrical mode, and a limiting groove is formed in one side of each of the two limiting blocks and on the fixed handle.

[0014] The utility model discloses the beneficial effect is: the cooling liquid is discharged from the hole to the outside, and then the milling cutter body is cooled, and the swarf generated when the workpiece is milled is collected to the chip groove, since the cooling liquid is discharged outside through the chip groove, the swarf collected in the chip groove can be flushed out, and the accumulation of the swarf is effectively reduced, and the influence of the swarf on workpiece processing is reduced.

[0015] The utility model discloses the beneficial effect is: through the fixed guide ring, under the cooperation of the limiting block and the limiting groove, the fixed bolt can be screwed down, the fixing of the connecting rod is released, under the action of the installation cavity, the milling cutter body can be taken off from the fixed handle, and the milling cutter body is convenient to replace. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0017] Figure 2 It is a three-dimensional structure schematic view of the utility model fixed handle;

[0018] Figure 3 It is a sectional structure schematic view of the utility model installation shell;

[0019] Figure 4 It is the utility model Figure 1 The enlarged view of A in the middle.

[0020] In the figure: 1, milling cutter body; 2, fixed handle; 3, chip removal groove; 4, installation shell; 41, water inlet; 42, through hole; 43, connecting rod; 44, water jet; 45, limit hole; 46, fixed bolt; 47, fixed bearing; 5, installation cavity; 6, guide ring; 61, fixed rod; 62, limit bearing; 63, limit block; 64, limit groove. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model. Embodiment one

[0022] As Figures 1 to 4 shown, a kind of stainless steel cutting thread milling cutter for preventing scrap accumulation, including milling cutter body 1, the one end of milling cutter body 1 is connected with fixed handle 2, the outer surface of milling cutter body 1 is equipped with chip removal groove 3, the outer surface of fixed handle 2 is equipped with chip removal mechanism for assisting the discharge of scrap, the one end of fixed handle 2 is equipped with limiting mechanism for limiting the feed of milling cutter;

[0023] The chip removal mechanism comprises a mounting shell 4 sleeved on the outer surface of the milling cutter body 1, the outer wall of the mounting shell 4 is provided with a water inlet 41, the outer wall of the milling cutter body 1 is provided with a through hole 42 in communication with the mounting shell 4, the tail end of the milling cutter body 1 is fixedly provided with a connecting rod 43, the inner end of the front end of the connecting rod 43 is provided with a water spraying hole 44 in communication with the through hole 42, the outer wall of the connecting rod 43 is provided with three limiting holes 45, the three limiting holes 45 are all inserted and connected with fixed bolts 46 which are screwed with the milling cutter body 1, two fixed bearings 47 are fixedly arranged in the mounting shell 4 and sleeved on the fixed handle 2, the fixed handle 2 and the output shaft of the machine tool are fixed, the fixed rod 61 on the guide ring 6 and the shell of the machine tool are fixed, so that the machine tool drives the fixed handle 2 to rotate, and then drives the milling cutter body 1 to rotate to process the workpiece, the fixed bearing 47 can avoid the mounting shell 4 from rotating when the fixed handle 2 rotates, the water inlet 41 arranged on the mounting shell 4 is connected with the external water pipe, the external cooling liquid can enter into the mounting shell 4, and then flows to the water spraying hole 44 through the through hole 42 in the connecting rod 43, so that the cooling liquid is sprayed out of the water spraying hole 44, at this time, the milling cutter body 1 is in the hole of the workpiece, so that the sprayed cooling liquid is discharged from the hole to the outside, thereby cooling the milling cutter body 1, and the waste chips generated during the milling of the workpiece are collected into the chip removal groove 3, since the cooling liquid is discharged to the outside through the chip removal groove 3, the waste chips collected in the chip removal groove 3 can be flushed out, thereby effectively reducing the accumulation of waste chips and the influence of the waste chips on the processing of the workpiece. Embodiment two

[0024] In addition to comprising all the technical features in embodiment one, the embodiment comprises: the inner part of the milling cutter body 1 is provided with a mounting cavity 5 inserted and connected with the connecting rod 43, the limiting mechanism comprises a guide ring 6, the guide ring 6 is sleeved on the outer surface of the fixed handle 2, two fixed rods 61 are fixedly arranged on the side wall of the guide ring 6, a limiting bearing 62 is fixedly arranged in the inner part of the guide ring 6 and sleeved on the fixed handle 2, two limiting blocks 63 are fixedly arranged on the inner wall of the limiting bearing 62, one side of each of the two limiting blocks 63 is slidably connected with a limiting groove 64 arranged on the fixed handle 2, through the fixed guide ring 6, the limiting blocks 63 and the limiting grooves 64 can play a guiding role, and the limiting bearing 62 can ensure that the fixed handle 2 does not rotate the guide ring 6 when rotating, by unscrewing the fixed bolt 46, the fixed bolt 46 and the limiting hole 45 on the connecting rod 43 are separated, the fixing of the connecting rod 43 is released, under the action of the mounting cavity 5, the milling cutter body 1 can be taken off from the fixed handle 2, which is convenient for replacement.

[0025] Working principle: before using the stainless steel cutting thread milling cutter for preventing accumulation of waste, first connect the milling cutter and the machine tool, fix the output shaft of the machine tool and the fixed handle 2, then fix the fixed rod 61 on the guide ring 6 and the shell of the machine tool, so that the machine tool drives the fixed handle 2 to rotate, and then drives the milling cutter body 1 to rotate to process the workpiece, the fixed bearing 47 can avoid the rotation of the fixed handle 2 from driving the installation shell 4 to rotate, and the water inlet 41 on the installation shell 4 is connected with the external water pipe, so that the external cooling liquid can enter the installation shell 4, and then flow to the water outlet 44 through the through hole 42 in the connecting rod 43, so that the water outlet 44 sprays the cooling liquid, and at this time the milling cutter body 1 is in the hole of the workpiece, so that the sprayed cooling liquid is discharged from the hole to the outside, thereby cooling the milling cutter body 1, and the waste generated during the milling of the workpiece is collected in the chip groove 3, since the cooling liquid is discharged outside through the chip groove 3, the waste collected in the chip groove 3 can be flushed out, thereby effectively reducing the accumulation of waste and reducing the impact of waste on workpiece processing, when the machine tool feeds the milling cutter body 1, the fixed guide ring 6 can play a guiding role under the cooperation of the limiting block 63 and the limiting groove 64, and the limiting bearing 62 can ensure that the fixed handle 2 does not drive the guide ring 6 to rotate when rotating, by unscrewing the fixed bolt 46, the fixed bolt 46 and the limiting hole 45 on the connecting rod 43 are separated, the fixing of the connecting rod 43 is released, and under the action of the installation cavity 5, the milling cutter body 1 can be removed from the fixed handle 2, which is convenient for replacement.

[0026] It is apparent for those skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all aspects as illustrative and not restrictive, and the scope of the present application is defined by the appended claims rather than the above description, and it is intended to encompass all changes falling within the meaning and range of equivalents of the elements of the claims. Any reference signs in the claims should not be considered as limiting the claims to which they belong.

[0027] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. A stainless steel thread milling cutter for chip prevention of accumulation, comprising a cutter body (1), characterized in that: One end of the milling cutter body (1) is connected with a fixed handle (2), the outer surface of the milling cutter body (1) is provided with a chip removal groove (3), the outer surface of the fixed handle (2) is provided with a chip removal mechanism for assisting the removal of waste chips, one end of the fixed handle (2) is provided with a limiting mechanism for limiting the feeding of the milling cutter; The chip removal mechanism comprises a mounting shell (4), the mounting shell (4) is sleeved on the outer surface of the milling cutter body (1), the outer wall of the mounting shell (4) is provided with a water inlet (41), the outer wall of the milling cutter body (1) is provided with a through hole (42) in communication with the mounting shell (4), the distal end of the milling cutter body (1) is fixedly connected with a connecting rod (43), the front end of the connecting rod (43) is internally provided with a water jet opening (44) in communication with the through hole (42).

2. A stainless steel thread milling cutter for chip breaking according to claim 1, wherein: The outer wall of the connecting rod (43) is provided with three limiting holes (45), the inner part of the three limiting holes (45) is respectively connected with a fixed bolt (46) which is threadedly connected with the milling cutter body (1).

3. The chip-accumulation-preventing stainless steel thread-milling cutter according to claim 1, characterized in that: The inner part of the mounting shell (4) is fixedly connected with two fixed bearings (47) which are sleeved on the fixed handle (2).

4. The chip-accumulation-preventing stainless steel thread-milling cutter according to claim 1, characterized in that: The inner part of the milling cutter body (1) is provided with a mounting cavity (5) which is connected with the connecting rod (43).

5. The chip-accumulation-preventing stainless steel thread-milling cutter according to claim 1, characterized in that: The limiting mechanism comprises a guide ring (6), the guide ring (6) is sleeved on the outer surface of the fixed handle (2).

6. A stainless steel thread-milling cutter for chip-avoiding according to claim 5, wherein: The side wall of the guide ring (6) is fixedly connected with two fixed rods (61), the inner part of the guide ring (6) is fixedly connected with a limiting bearing (62) which is sleeved on the fixed handle (2).

7. A stainless steel thread milling cutter according to claim 6, wherein: The inner wall of the limiting bearing (62) is symmetrically fixedly connected with two limiting blocks (63), one side of the two limiting blocks (63) is slidably connected with a limiting groove (64) which is formed in the fixed handle (2).

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