Hard alloy single-blade spiral milling cutter

Abstract

The utility model belongs to the technical field of milling cutters, particularly relates to a hard alloy single-blade spiral milling cutter, and provides the following scheme aiming at the problem of incapability of heat dissipation in the prior art: the hard alloy single-blade spiral milling cutter comprises a cutter bar, the bottom end of the cutter bar is connected with a cutter head, and a heat dissipation mechanism is arranged outside the cutter bar; the heat dissipation mechanism comprises a connecting rod, the connecting rod is arranged above the cutter bar, a penetrating block is fixed to the end, penetrating into the cutter bar, of the connecting rod, a ventilation groove is formed in the outer wall of the connecting rod, and a guide block is fixed into the ventilation groove. And then the lantern ring in threaded connection is located between the connecting rod and the cutter bar for fixation, the limiting block penetrates into the limiting hole, movement of the cutter lantern ring is prevented from being affected when the cutter bar rotates, in the rotating process, through cooperation of the ventilation groove and the guide block, air enters and then is exhausted through the air outlet, the air cooling heat dissipation effect is achieved, and the service life is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to a single edge spiral milling cutter, in particular to a hard alloy single edge spiral milling cutter belongs to milling cutter technical field. BACKGROUND

[0002] With the development of science and technology, data processing center has become irreplaceable tool of each production enterprise, in the machining process, stainless steel, high temperature alloy, high hardness steel and other materials have been used in military or civilian enterprises in large quantities, thereby leading to the demand of thread processing is also increasing, in order to improve the processing efficiency, more and more thread processing is currently milled, and the milling cutter is milled, which has the advantages of high processing efficiency, simplified steps, high processing precision and the like.

[0003] In the prior art, such as the single edge spiral milling cutter disclosed in the announcement No. CN219684075U, the combined cutter head and cutter handle are provided, the detachable cutter head and cutter handle can be separated after the cutter head is damaged, thereby realizing the separate replacement of the cutter head without the need of discarding the whole cutter, which is more resource-saving, in addition, the connection between the cutter head and the cutter handle is through two times of fastening and the directions are perpendicular, which can effectively ensure the stability of the connection between the cutter head and the cutter handle.

[0004] However, it is found in the implementation of the related technology that the above-mentioned single edge spiral milling cutter has the following problems: in the prior art, the detachable form is formed through the cooperation of the cutter head and the cutter handle, but in the specific use process, excessive friction between the cutter and the material may generate heat, thereby affecting the service life, therefore, the hard alloy single edge spiral milling cutter is provided to overcome the above-mentioned defects. INVENTION CONTENTS

[0005] The utility model discloses a hard alloy single edge spiral milling cutter to solve the problem that excessive friction between the cutter and the material may generate heat, thereby affecting the service life.

[0006] The utility model discloses a hard alloy single edge spiral milling cutter to solve the problem that excessive friction between the cutter and the material may generate heat, thereby affecting the service life.

[0007] The heat dissipation mechanism includes a connecting rod, the connecting rod is arranged above the cutter bar, one end of the connecting rod is fixed with a penetrating block, the outer wall of the connecting rod is provided with a ventilation slot, and the inside of the ventilation slot is fixed with a guide block, the top end of the cutter bar is provided with an insertion hole corresponding to the position of the penetrating block, and the outer part of the cutter bar is slidably connected with a sleeve ring, and the outer wall of the cutter head is provided with an air outlet hole.

[0008] As a further scheme of the utility model: the ventilation slot is communicated with the penetrating block, and the penetrating block is communicated with the insertion hole.

[0009] As a further scheme of the utility model: the bottom end of the penetrating block is fixed with a limiting block, and a limiting hole is formed in the position corresponding to the limiting block inside the insertion hole.

[0010] As a further scheme of the utility model: a placing groove is formed in the outer wall of the sleeve ring, and a supporting mechanism is arranged inside the placing groove.

[0011] As a further scheme of the utility model: the supporting mechanism comprises a supporting rod, the supporting rod is fixed inside the placing groove, a rotating rod is rotatably connected to the outer wall of the supporting rod, a sliding rod is fixed to the end of the rotating rod away from the supporting rod, and a contact block is connected to the bottom end of the sliding rod.

[0012] As a further scheme of the utility model: the supporting mechanism further comprises a sleeve, the sleeve is sleeved outside the sliding rod, a positioning groove is formed in the position corresponding to the sleeve on the outer wall of the cutter rod, and a positioning block is fixed inside the positioning groove.

[0013] As a further scheme of the utility model: a sliding structure is formed between the sleeve and the sliding rod, and a rotating structure is formed between the sliding rod and the placing groove through the rotating rod.

[0014] The utility model discloses the beneficial effect is: first, the penetrating block of connecting rod inserts the insertion hole of cutter rod and plays the primary location, then the sleeve ring of threaded connection is located between connecting rod and cutter rod and plays the fixed, and the limiting block penetrates the limiting hole, avoids the activity of cutter sleeve ring when the cutter rod rotates, and the cooperation of the ventilation groove and the guide block in the rotating process lets the air enter and then discharges through the air outlet hole, plays the effect of air cooling and improves the life; under the junction of the placing groove and the supporting rod, the rotating rod rotates, thereby making the sleeve slide along the sliding rod, avoiding the sleeve from separating through the contact block and avoiding the sleeve from separating through the contact block, the sleeve penetrates the positioning groove, and is limited through the positioning block, avoiding the sleeve ring from being affected and loosening in the rotating process. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is the whole structure schematic view of the utility model;

[0016] Fig. 2 It is the cutter rod structure schematic view of the utility model;

[0017] Fig. 3 It is the limiting block structure schematic view of the utility model;

[0018] Fig. 4 It is the sliding rod structure schematic view of the utility model.

[0019] In the diagram: 1. Tool holder; 2. Tool head; 3. Heat dissipation mechanism; 301. Connecting rod; 302. Ventilation slot; 303. Guide block; 304. Insertion block; 305. Insertion hole; 306. Collar; 307. Air outlet; 4. Limiting hole; 5. Limiting block; 6. Placement slot; 7. Support mechanism; 701. Support rod; 702. Rotating rod; 703. Sliding rod; 704. Contact block; 705. Sleeve; 706. Positioning slot; 707. Positioning block. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model. Example 1

[0021] like Figs. 1 to 4 As shown, a carbide single-flute spiral end mill includes a shank 1, with a cutter head 2 connected to the bottom end of the shank 1. A heat dissipation mechanism 3 is provided on the outside of the shank 1. The heat dissipation mechanism 3 includes a connecting rod 301, which is positioned above the shank 1. One end of the connecting rod 301 that passes through the shank 1 is fixed with an insertion block 304. A ventilation groove 302 is formed on the outer wall of the connecting rod 301, and a guide block 303 is fixed inside the ventilation groove 302. An insertion hole 305 is formed at the top of the shank 1 corresponding to the position of the insertion block 304. A collar 306 is slidably connected to the outside of the shank 1. An air outlet 307 is formed on the outer wall of the cutter head 2. The ventilation groove 302 and the insertion block 304 are connected to the shank 1. 4. The insertion block 304 communicates with the insertion hole 305. The bottom end of the insertion block 304 is fixed with a limiting block 5. The insertion hole 305 is opened with a limiting hole 4 corresponding to the position of the limiting block 5. First, the insertion block 304 of the connecting rod 301 is inserted into the insertion hole 305 of the tool bar 1 to achieve initial limiting. Then, the threaded collar 306 is located between the connecting rod 301 and the tool bar 1 to fix it. It passes through the limiting block 5 and enters the limiting hole 4 to prevent the tool bar 1 from affecting the movement of the tool collar 306 when it rotates. During the rotation, the ventilation groove 302 and the guide block 303 cooperate to allow air to enter and then be discharged through the air outlet 307, which achieves the effect of air cooling and heat dissipation and improves the service life. Example 2

[0022] In addition to comprising all the technical features in embodiment one, the embodiment comprises: the outer wall of the collar 306 is provided with a mounting groove 6, the inside of the mounting groove 6 is provided with a supporting mechanism 7, the supporting mechanism 7 comprises a supporting rod 701, the supporting rod 701 is fixed in the inside of the mounting groove 6, the outer wall of the supporting rod 701 is rotationally connected with a rotating rod 702, the end of the rotating rod 702 away from the supporting rod 701 is fixed with a sliding rod 703, the bottom end of the sliding rod 703 is connected with a contact block 704, the supporting mechanism 7 further comprises a sleeve 705, the sleeve 705 is sleeved on the outside of the sliding rod 703, the outer wall of the cutter bar 1 is provided with a positioning groove 706 at the position corresponding to the sleeve 705, the inside of the positioning groove 706 is fixed with a positioning block 707, the sleeve 705 and the sliding rod 703 form a sliding structure, the sliding rod 703 and the mounting groove 6 form a rotating structure through the rotating rod 702; under the connection of the mounting groove 6 and the supporting rod 701, the rotating rod 702 is rotated, so that the sleeve 705 slides along the sliding rod 703, the contact block 704 prevents the sleeve 705 from sliding excessively and separating, the sleeve 705 penetrates into the positioning groove 706 and is limited by the positioning block 707, so that the collar 306 is not affected and loosened during the rotation.

[0023] Working principle: the cutter head 1 and the cutter bar 2 form a milling cutter, the penetrating block 304 and the limiting block 5 of the connecting rod 301, the penetrating insertion hole 305 and the limiting hole 4, and the threaded connection of the sleeve 306 with the cutter bar 1 and the connecting rod 301 are simultaneously fixed, the cooperation of the limiting hole 4 and the limiting block 5 prevents loosening during rotation, and when rotating, air enters the cutter bar 1 through the ventilation groove 302 and under the guidance of the guide block 303, penetrates through the guide block 303 and the limiting block 5, enters the cutter head 2, and is discharged from the air outlet 307 to achieve the effect of heat dissipation, after the sleeve 306 is connected, the sleeve 705 is slid along the sliding rod 703 and prevented from separating by the contact block 704 by rotating the rotating rod 702 through the mounting groove 6 and the supporting rod 701, then the sleeve 705 is inserted into the positioning groove 706 and limited by the positioning block 707, so that the sleeve 306 can rotate with the cutter bar 1, and displacement of the sleeve 306 caused by loosening during rotation is avoided.

[0024] It is apparent for those skilled in the art that the present application is not limited to the details of the above 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 regarded only as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0025] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes every feature described. The specification can include implicit combinations of explicitly mentioned features and / or explicit combinations of implicitely mentioned features. Each embodiment depends on the explicit combinations of features and / or the implicit combinations of features made specifically within that embodiment, and each such embodiment can be combined with every other such embodiment to create further embodiments.

Claims

1. A single-point carbide helical milling tool comprising a tool shank (1), characterized in that: The bottom end of the cutter bar (1) is connected with a cutter head (2), and the outer part of the cutter bar (1) is provided with a heat dissipation mechanism (3); The heat dissipation mechanism (3) comprises a connecting rod (301), the connecting rod (301) is arranged above the cutter bar (1), one end of the connecting rod (301) penetrating into the cutter bar (1) is fixed with a penetrating block (304), the outer wall of the connecting rod (301) is provided with a ventilation groove (302), and the inside of the ventilation groove (302) is fixed with a guide block (303), the top end of the cutter bar (1) is provided with an insertion hole (305) corresponding to the position of the penetrating block (304), and the outer part of the cutter bar (1) is slidably connected with a sleeve ring (306), and the outer wall of the cutter head (2) is provided with an air outlet hole (307).

2. A single-point solid carbide helical milling tool according to claim 1, characterized in that: The ventilation groove (302) is communicated with the penetrating block (304), and the penetrating block (304) is communicated with the insertion hole (305).

3. A single-point solid carbide helical milling tool according to claim 1, characterized in that: The bottom end of the penetrating block (304) is fixed with a limiting block (5), and the inside of the insertion hole (305) is provided with a limiting hole (4) corresponding to the position of the limiting block (5).

4. A single-point solid carbide helical milling tool according to claim 1, characterized in that: The outer wall of the sleeve ring (306) is provided with a placing groove (6), and the inside of the placing groove (6) is provided with a supporting mechanism (7).

5. A single-point solid carbide helical milling tool according to claim 4, characterized in that: The supporting mechanism (7) comprises a supporting rod (701), the supporting rod (701) is fixed in the inside of the placing groove (6), and the outer wall of the supporting rod (701) is rotatably connected with a rotating rod (702), one end of the rotating rod (702) away from the supporting rod (701) is fixed with a sliding rod (703), and the bottom end of the sliding rod (703) is connected with a resisting block (704).

6. A single-point solid carbide helical milling tool according to claim 5, characterized in that: The supporting mechanism (7) further comprises a sleeve (705), the sleeve (705) is sleeved on the outside of the sliding rod (703), the outer wall of the cutter bar (1) is provided with a positioning groove (706) corresponding to the position of the sleeve (705), and the inside of the positioning groove (706) is fixed with a positioning block (707).

7. A single-point solid carbide helical milling tool according to claim 6, characterized in that: The sleeve (705) and the sliding rod (703) form a sliding structure, and the sliding rod (703) and the placing groove (6) form a rotating structure through the rotating rod (702).

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