Drill bit for machining mechanical parts

Abstract

The utility model discloses a drill bit for machining mechanical parts, which belongs to the technical field of drill bits and comprises a drill bit main body, two annular boxes are sleeved in the middle of the drill bit main body, the annular box at the top is fixedly connected to the middle of the drill bit main body, and the annular box at the bottom is rotatably connected to the outer side of the annular box at the top. The middle of the drill bit body is sleeved with a heat absorption ring fixedly connected with the drill bit body, two heat conduction rods are fixedly connected to the middle of the heat absorption ring, one end of each heat conduction rod penetrates through and is fixedly connected into the top annular box, and cooling fins are installed on the heat conduction rods. According to the drill bit, heat dissipation treatment can be conducted on the drill bit in the machining process, heat attached to the interior of the drill bit is reduced, meanwhile, a user can disassemble the drill bit conveniently after machining is finished, in the machining process, the user can be protected, the chipping splashing phenomenon is reduced, and chippings can be treated in a centralized mode conveniently.

Description

TECHNICAL FIELD

[0001] The utility model relates to drill bit technical field more specifically, relate to a kind of drill bits for mechanical parts machining. BACKGROUND

[0002] Drill bit is used to drill out through hole or blind hole on solid material, and can be used to ream the existing hole, the commonly used drill bit mainly has twist drill, flat drill, center drill, deep hole drill and sleeve drill, the handle of twist drill has straight handle and taper handle two, when processing, the former is clamped in drill chuck, the latter is inserted in taper hole of machine tool spindle or tailstock, generally, twist drill is made of high-speed steel, and twist drill with inserted hard alloy blade or tooth crown is suitable for processing cast iron, hardened steel and non-metallic materials etc., integral hard alloy small twist drill is used for processing instrument parts and printed circuit board.

[0003] The existing drill bit has the following defects in use process:

[0004] 1, due to high-speed friction with workpiece, a large amount of heat is easily accumulated in the drill bit, which affects the service life on the one hand, and the user is easily scalded when disassembling the drill bit after use, which is relatively inconvenient;

[0005] 2, in use process, processing debris is easily splashed, which affects the user, and is not convenient for later cleaning. INVENTION CONTENTS

[0006] In view of the problems in the prior art, the purpose of the utility model is to provide a drill bit for mechanical parts machining to overcome the defects in the background art.

[0007] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme.

[0008] A drill bit for mechanical parts machining, comprising a drill bit main body, two annular boxes are sleeved on the middle part of the drill bit main body, the top annular box is fixedly connected to the middle part of the drill bit main body, the bottom annular box is rotatably connected to the outside of the top annular box, a heat absorbing ring is sleeved on the middle part of the drill bit main body and fixedly connected thereto, two heat conducting rods are fixedly connected to the middle part of the heat absorbing ring, one end of the heat conducting rod penetrates and is fixedly connected to the inside of the top annular box, heat dissipation fins are installed on the heat conducting rod, and a protection assembly is arranged on the bottom annular box.

[0009] Further description of the above technical scheme:

[0010] The protection assembly comprises a bottom ring, a protective soft film sleeve and a group of suction cups, one side of the protective soft film sleeve is installed in the inside of the bottom annular box, the other side of the protective soft film sleeve is fixedly connected to the outside of the bottom ring, and the suction cups are installed on the outside of the bottom ring.

[0011] As a further description of the above technical solutions:

[0012] The outer side of the bottom ring is fixedly connected with a snap ring, and the snap ring is installed to the inside of the bottom ring-shaped box.

[0013] As a further description of the above technical solutions:

[0014] The outer side of the bottom ring-shaped box is fixedly connected with a group of magnetic columns, and the inside of the bottom ring-shaped box is rotatably connected with a group of metal plates, and one side of the magnetic column is magnetically connected with one side of the metal plate.

[0015] As a further description of the above technical solutions:

[0016] The inner wall of the bottom ring is fixedly connected with a magnetic ring, and the top ring-shaped box is installed with a water replenishing pipe.

[0017] As a further description of the above technical solutions:

[0018] The material of the protective soft film sleeve is transparent plastic.

[0019] Compared with the prior art, the utility model has the advantages that:

[0020] (1) The heat absorbing ring is used to absorb the heat on the drill bit body, and then the heat is introduced into the top ring-shaped box along the heat conducting rod, and the water source in the top ring-shaped box is used to absorb and process the emitted heat, so that the heat dissipation effect of the drill bit body is achieved. During the machining process, the top ring-shaped box will rotate with the drill bit body, and the bottom ring-shaped box will be in a stationary state. At this time, the metal plate will be continuously absorbed by the magnetic column and will not change its position. Therefore, during the rotation of the top ring-shaped box, the water source and the metal plate will be continuously impacted, the water source near the heat dissipation fins will be mixed with the outer water source, the temperature of the water source will be consistent, the heat absorption effect will be ensured, and the service life of the drill bit body will be ensured.

[0021] (2) Before the drill bit body is used, the user can install the protective assembly on the bottom ring-shaped box with the workpiece. The user can pull out the bottom ring together with the snap ring, then move along the drill bit body, and then adsorb the suction cup to the workpiece. The protective soft film sleeve is sleeved on the drill bit body, so that the debris generated during the machining process can be blocked, and the debris can be in the protective soft film sleeve. It is also convenient for the user to clean up later. Since the material of the protective soft film sleeve is transparent plastic, the user can observe the machining position during the machining process without affecting the observation, and the utility is stronger. BRIEF DESCRIPTION OF DRAWINGS

[0022] Fig. 1 The structure of the utility model is shown in the figure;

[0023] Fig. 2Two annular boxes and protection assembly structure explosion schematic diagram of the utility model;

[0024] Fig. 3 Two annular boxes and heat conduction rod structure front view section schematic diagram of the utility model.

[0025] Mark explanation in the drawing:

[0026] 1, drill main body;2, annular box;3, heat absorbing ring;4, heat conduction rod;5, heat dissipation fin;6, protection assembly;61, bottom ring;62, protection soft film cover;63, suction cup;7, snap ring;8, magnetic column;9, metal plate;10, magnetic ring. Specific implementation

[0027] The technical scheme in the embodiment of the utility model will be clearly and completely described below in combination with the drawings in the embodiment of the utility model.

[0028] Please refer to Figs. 1-3 In the utility model, a drill for machining mechanical parts, including drill main body 1, the middle part of drill main body 1 is provided with two annular boxes 2, the top annular box 2 is fixedly connected to the middle part of drill main body 1, the bottom annular box 2 is rotatably connected to the outside of top annular box 2, the middle part of drill main body 1 is provided with heat absorbing ring 3 fixedly connected thereto, the middle part of heat absorbing ring 3 is fixedly connected with two heat conduction rods 4, one end of heat conduction rod 4 penetrates and is fixedly connected to the inside of top annular box 2, heat dissipation fin 5 is installed on heat conduction rod 4, protection assembly 6 is arranged on bottom annular box 2.

[0029] In the utility model, before the use of drill main body 1, the user can install protection assembly 6 on bottom annular box 2 with workpiece, can block the debris generated in the machining process, reduce the debris splashing phenomenon, then carry out machining operation, at this time, top annular box 2, heat conduction rod 4 and heat absorbing ring 3 will follow drill main body 1 and rotate, heat absorbing ring 3 is used to adsorb the heat on drill main body 1, then the heat is introduced into top annular box 2 along heat conduction rod 4, and the heat emitted is adsorbed and treated by using the water source in top annular box 2, so that the effect of dissipating heat of drill main body 1 is achieved.

[0030] Please refer to Figs. 1-2 Among them: protection assembly 6 includes bottom ring 61, protection soft film cover 62 and a group of suction cups 63, one side of protection soft film cover 62 is installed to the inside of bottom annular box 2, the other side of protection soft film cover 62 is fixedly connected to the outside of bottom ring 61, and suction cup 63 is installed to the outside of bottom ring 61.

[0031] The material of protection soft film cover 62 is transparent plastic.

[0032] The utility model discloses, user can pull out bottom ring 61, then along the drill bit main part 1 movement, then the suction cup 63 is adsorbed to work piece, make protective soft membrane cover 62 set up to drill bit main part 1 to the chip produced in processing can be blocked to, make chip be in protective soft membrane cover 62, also facilitate user post -processing cleaning, because the material quality of protective soft membrane cover 62 is transparent plastic and is made to the chip produced in processing does not influence user observation processing position, and the practicability is stronger.

[0033] Please refer to Figs. 1-2 Wherein: the outside fixed connection of bottom ring 61 has snap ring 7, and the snap ring 7 is installed to the inside of bottom annular box 2.

[0034] In the utility model, user can use snap ring 7 to drive bottom ring 61 to be stably installed to bottom annular box 2, and reduce the phenomenon that bottom ring 61 drives protective soft membrane cover 62 to move accidentally.

[0035] Please refer to Figs. 1-3 Wherein: the outside fixed connection of bottom annular box 2 has a group of magnetic columns 8, and the inside rotatable connection of bottom annular box 2 has a group of metal sheets 9, and one side of magnetic column 8 is magnetically connected with one side of metal sheet 9.

[0036] In the utility model, in the processing, top annular box 2 will follow drill bit main part 1 rotation, and bottom annular box 2 is in stationary state, at this time, metal sheet 9 will be continuously adsorbed by the influence of magnetic column 8, and does not change position, so that in the rotation process of top annular box 2, water source and metal sheet 9 can be continuously impacted, the water source near fin 5 and the outside water source are mixed, the water source temperature is consistent, and the heat absorption effect is guaranteed.

[0037] Please refer to Figs. 1-3 Wherein: the inner wall fixed connection of bottom ring 61 has magnetic ring 10, and top annular box 2 is installed with water replenishing pipe.

[0038] In the utility model, the setting of magnetic ring 10 can adsorb metal chips during processing, facilitate user post -processing recycling, and user can periodically replenish water to top annular box 2 through water replenishing pipe, to guarantee that heat dissipation operation is completed normally.

[0039] It should be noted that the circuit connection relationship of each device in the application is a simple series, parallel connection circuit, and there is no innovation point in the circuit connection block, and the person skilled in the art can easily realize it, which belongs to the prior art, and will not be described here.

[0040] Working principle: the user can use the snap ring 7 to drive the bottom ring 61 to be stably installed on the bottom ring box 2, reduce the phenomenon that the bottom ring 61 drives the protective soft film sleeve 62 to move accidentally, before the user uses the drill bit main body 1, the user can install the protective assembly 6 on the bottom ring box 2 with the workpiece, the user can pull out the bottom ring 61 together with the snap ring 7, then move along the drill bit main body 1, then adsorb the suction cup 63 to the workpiece, make the protective soft film sleeve 62 sleeve to the drill bit main body 1, so that the debris generated in the processing process can be blocked, so that the debris is in the protective soft film sleeve 62, which is convenient for the user to clean later, since the material of the protective soft film sleeve 62 is transparent plastic, the user can observe the processing position during the processing process, the practicability is stronger, then carry out the working operation, at this time, the top ring box 2, the heat conducting rod 4 and the heat absorbing ring 3 will follow the drill bit main body 1 to rotate, the heat absorbing ring 3 is used to adsorb the heat on the drill bit main body 1, then the heat is introduced into the top ring box 2 along the heat conducting rod 4, the water source in the top ring box 2 is used to adsorb and process the heat dissipation, so as to achieve the effect of dissipating heat of the drill bit main body 1, during the processing process, the top ring box 2 will rotate with the drill bit main body 1, and the bottom ring box 2 is in a stationary state, at this time, the metal plate 9 will be continuously adsorbed by the magnetic column 8 and will not change position, so that the water source and the metal plate 9 can be continuously impacted during the rotation of the top ring box 2, so that the water source near the heat dissipation fin 5 and the outside water source are mixed, so that the water source temperature is consistent, the heat absorption effect is guaranteed, when the user disassembles the drill bit main body 1 later, although the drill bit main body 1 has been heat treated, it can still be directly grabbed to take down the drill bit main body 1, and it is not easy to cause the phenomenon of scalding, the magnetic ring 10 is arranged, which can adsorb metal debris during the processing process, and is convenient for the user to recycle later, the user can regularly supplement the water source of the top ring box 2 through the water supplement pipe, so as to ensure that the heat dissipation operation is completed normally, the whole device can dissipate heat of the drill bit main body 1 during the processing process, reduce the heat inside the drill bit main body 1, and facilitate the user to disassemble the drill bit main body 1 after the processing is completed, and the user can be protected during the processing process, reduce the phenomenon of splashing debris, and facilitate the centralized treatment of the debris.

[0041] The above is only a preferred specific embodiment of the present application; however, the protection scope of the present application is not limited to this. Any skilled person in the art can make equivalent replacement or change according to the technical scheme and improvement concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A drill bit for machining mechanical parts, comprising a drill bit body (1), characterized in that: The middle part of the drill bit body (1) is sleeved with two annular boxes (2), the top annular box (2) is fixedly connected to the middle part of the drill bit body (1), the bottom annular box (2) is rotatably connected to the outer side of the top annular box (2), the middle part of the drill bit body (1) is sleeved with a heat absorbing ring (3) fixedly connected thereto, the middle part of the heat absorbing ring (3) is fixedly connected with two heat conducting rods (4), one end of the heat conducting rod (4) penetrates through and is fixedly connected to the inside of the top annular box (2), the heat conducting rod (4) is provided with a heat dissipation fin (5), and the bottom annular box (2) is provided with a protection assembly (6).

2. The drill bit of claim 1, wherein: The protection assembly (6) comprises a bottom ring (61), a protection soft film sleeve (62) and a group of suction cups (63), one side of the protection soft film sleeve (62) is mounted to the inside of the bottom annular box (2), the other side of the protection soft film sleeve (62) is fixedly connected to the outer side of the bottom ring (61), and the suction cup (63) is mounted to the outer side of the bottom ring (61).

3. The drill bit of claim 2, wherein: The outer side of the bottom ring (61) is fixedly connected with a snap ring (7), and the snap ring (7) is mounted to the inside of the bottom annular box (2).

4. The drill bit of claim 1, wherein: The outer side of the bottom annular box (2) is fixedly connected with a group of magnetic columns (8), the inside of the bottom annular box (2) is rotatably connected with a group of metal plates (9), and one side of the magnetic column (8) is magnetically connected with one side of the metal plate (9).

5. The drill bit of claim 2, wherein: The inner wall of the bottom ring (61) is fixedly connected with a magnetic ring (10), and the top annular box (2) is provided with a water replenishing pipe.

6. The drill bit of claim 2, wherein: The material of the protection soft film sleeve (62) is transparent plastic.

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