Coating drill bit for machining deep hole based on mechanical part

Abstract

The utility model belongs to the technical field of coating drill bits, particularly relates to a coating drill bit for machining deep holes based on mechanical parts, and aims to solve the problem that chippings are difficult to clean in the prior art, the following scheme is provided: the coating drill bit comprises a drill rod, a drill bit is fixed below the drill rod, and a cleaning mechanism is arranged below the outside of the drill bit; the cleaning mechanism comprises an abutting shell, the abutting shell is arranged below the outer portion of the drill bit in a sleeving mode, and a placement shell is fixed to one side of the outer wall of the abutting shell. When punching is conducted, the ventilation speed is increased through a ventilation fan embedded in the placement shell, and therefore chippings and the like enter the connecting shell from the abutting shell; the air enters the storage groove of the drawing shell through guiding of the guiding block, the air escapes through the filter screen, chippings and the like are located in the storage groove, resetting is avoided through blocking of the guiding block, and therefore the chippings are collected in a unified mode, and the situation that the surrounding environment is affected or the chippings fall into holes after punching is completed is avoided.

Description

Technical Field

[0001] The utility model relates to a coated drill bit for deep hole processing, in particular to a coated drill bit for processing deep holes based on mechanical parts, belonging to the technical field of coated drill bits. Background Art

[0002] Deep hole processing has been widely used in the mold industry. It solves the problems of fine holes and long holes that ordinary drilling machines cannot solve in mold processing, effectively reduces the processing cost of the mold, and undertakes the most precise deep hole processing. The hole diameter is 3-35 and the length can reach 2600. It solves the water hole, oil hole, air hole, single inclined hole, double inclined hole, screw hole, ejector hole, etc. in the mold to the greatest extent, so it needs to be processed with a corresponding longer drill bit.

[0003] In the prior art, there is a deep hole processing drill disclosed in announcement number CN215545191U. When using the utility model, when the edge of the square blade is worn, the sliding movable block can make the movable block move along the slide groove and compress the spring until the square blade is located outside the square recess. Then, the square blade is rotated, the unworn edge is adjusted to a suitable position, and the movable block is released. The movable block is reset under the elastic force of the spring, and the square recess is used to limit the square blade.

[0004] However, in the implementation of relevant technologies, it was found that a deep hole processing drill bit of the above design has the following problems: in the prior art, the blade is limited by the cooperation of components such as compression springs, but in actual use, due to the deep hole position, if debris formed by drilling enters, it is difficult to clean. In view of this, a coated drill bit for processing deep holes based on mechanical parts is provided to overcome the above defects. Utility Model Content

[0005] The utility model provides a coated drill bit for machining deep holes based on mechanical parts in order to solve the problem that debris formed by drilling and the like enter the holes and are difficult to clean.

[0006] The utility model achieves the above-mentioned purpose through the following technical solutions: A coated drill bit for machining deep holes based on mechanical parts, comprising a drill rod, a drill bit is fixed below the drill rod, and a cleaning mechanism is provided below the outside of the drill bit;

[0007] The cleaning mechanism includes a resistance shell, which is sleeved on the outside of the drill bit, and a placement shell is fixed to one side of the outer wall of the resistance shell, a ventilation fan is embedded on the outside of the placement shell, a connecting shell is fixed to the other side of the outer wall of the resistance shell, and a draw-out shell is slidably connected to the inside of the connecting shell, a storage groove is provided inside the draw-out shell, and a filter is embedded on one side of the inner side of the draw-out shell, and a guide block is fixed to one end of the draw-out shell that passes through the resistance shell.

[0008] As a further solution of the present invention: a sliding structure is formed between the drawer shell and the connecting shell, and the connecting shell is communicated with the placement shell.

[0009] As a further solution of the present invention: the guide block is fixedly connected to the connecting shell, and the structure of the guide block is a conical structure.

[0010] As a further solution of the present invention: a collar is fixed to the outer wall of the drill rod, and a ball bearing is rotatably connected to the outside of the collar.

[0011] As a further solution of the present invention: a connecting mechanism is provided on the outside of the ball bearing, and the connecting mechanism includes a connecting sleeve, the connecting sleeve is fixed to the outer wall of the ball bearing, and a first telescopic sleeve is passed through the inside of the connecting sleeve, and a second telescopic sleeve is passed through the inside of the first telescopic sleeve.

[0012] As a further solution of the present invention: the connecting mechanism also includes a limit groove, which is opened on the inner wall of the connecting sleeve, and a connecting ring is fixed on the outer wall of one end of the first telescopic sleeve that passes through the connecting sleeve, and a limit block is fixed on the outer wall of the connecting ring corresponding to the position of the limit groove.

[0013] As a further solution of the present invention: the connecting ring forms a sliding structure between the limiting block and the limiting groove, and the connecting ring and the connecting sleeve form a sliding structure.

[0014] The beneficial effects of the present invention are as follows: when drilling is being carried out, the ventilation fan embedded in the placement shell increases the air circulation speed, thereby allowing debris and the like to enter the connecting shell from the interference shell, enter the receiving groove of the draw-out shell through the guidance of the guide block, and allow the gas to escape through the filter screen, allowing the debris and the like to be located in the receiving groove, and be blocked by the guide block to prevent reset, thereby uniformly collecting the debris, avoiding diffusion or accumulation, causing influence on the surrounding environment or falling into the hole after drilling is completed and causing influence; the connecting sleeve is rotatably connected to the drill rod through the collar and the ball bearing, avoiding rotation with the rotation of the drill rod, and being able to keep the first telescopic sleeve and the second telescopic sleeve stable, thereby preventing the interference shell from rotating against the mechanical parts, and when the drill bit penetrates the parts, the connecting sleeve, the first telescopic sleeve and the second telescopic sleeve form a telescopic form, and through the limit groove, the connecting ring and the limit block, it can avoid deviation or loosening and maintain stable sliding. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the connection shell structure of the utility model;

[0017] Figure 3This is a schematic diagram of the drawer shell structure of the utility model;

[0018] Figure 4 This is a schematic diagram of the limit groove structure of the utility model.

[0019] In the figure: 1. drill rod; 2. drill bit; 3. cleaning mechanism; 301. interference shell; 302. placement shell; 303. ventilation fan; 304. connecting shell; 305. pull-out shell; 306. storage groove; 307. guide block; 308. filter screen; 4. collar; 5. ball bearing; 6. connecting mechanism; 601. connecting sleeve; 602. first telescopic sleeve; 603. second telescopic sleeve; 604. limit groove; 605. connecting ring; 606. limit block. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention. Example 1

[0021] like Figures 1 to 4 As shown, a coated drill bit for machining deep holes based on mechanical parts comprises a drill rod 1, a drill bit 2 is fixed at the bottom of the drill rod 1, and a cleaning mechanism 3 is provided at the bottom of the outside of the drill bit 2; the cleaning mechanism 3 comprises a resistance shell 301, the resistance shell 301 is sleeved on the outside of the drill bit 2, a placement shell 302 is fixed to one side of the outer wall of the resistance shell 301, a ventilation fan 303 is embedded on the outside of the placement shell 302, a connecting shell 304 is fixed to the other side of the outer wall of the resistance shell 301, a draw-out shell 305 is slidably connected to the inside of the connecting shell 304, a storage groove 306 is provided in the inside of the draw-out shell 305, a filter screen 308 is embedded on one side of the inner side of the draw-out shell 305, and a guide block 3 is fixed to one end of the draw-out shell 305 that penetrates into the resistance shell 301. 07. A sliding structure is formed between the pull-out shell 305 and the connecting shell 304. The connecting shell 304 is communicated with the placement shell 302. The guide block 307 is fixedly connected to the connecting shell 304, and the structure of the guide block 307 is a conical structure. When punching, the ventilation fan 303 embedded in the placement shell 302 increases the air circulation speed, so that debris and the like enter the connecting shell 304 from the interference shell 301, and enter the receiving groove 306 of the pull-out shell 305 under the guidance of the guide block 307, and allow the gas to escape through the filter 308 to allow the debris and the like to be located in the receiving groove 306, and be blocked by the guide block 307 to avoid reset, so that the debris is collected uniformly to avoid diffusion or accumulation, which may affect the surrounding environment or fall into the hole after punching. Example 2

[0022] In addition to all the technical features of the first embodiment, the present embodiment further includes: a collar 4 is fixed to the outer wall of the drill pipe 1, a ball bearing 5 is rotatably connected to the outside of the collar 4, a connecting mechanism 6 is provided on the outside of the ball bearing 5, the connecting mechanism 6 includes a connecting sleeve 601, the connecting sleeve 601 is fixed to the outer wall of the ball bearing 5, a first telescopic sleeve 602 is passed through the interior of the connecting sleeve 601, a second telescopic sleeve 603 is passed through the interior of the first telescopic sleeve 602, the connecting mechanism 6 also includes a limiting groove 604, the limiting groove 604 is provided on the inner wall of the connecting sleeve 601, a connecting ring 605 is fixed to the outer wall of one end of the first telescopic sleeve 602 that passes through the connecting sleeve 601, and the outer wall of the connecting ring 605 is fixed at the position corresponding to the limiting groove 604 A limit block 606 is fixed, and a sliding structure is formed between the connecting ring 605 and the limit groove 604 through the limit block 606, and a sliding structure is formed between the connecting ring 605 and the connecting sleeve 601; the connecting sleeve 601 is rotatably connected to the drill rod 1 through the collar 4 and the ball bearing 5 to avoid rotating with the rotation of the drill rod 1, so that the first telescopic sleeve 602 and the second telescopic sleeve 603 can remain stable, thereby allowing the resistance shell 301 to resist the mechanical parts and prevent rotation. When the drill bit 2 penetrates the parts, the connecting sleeve 601, the first telescopic sleeve 602 and the second telescopic sleeve 603 form a telescopic form, and through the limit groove 604, the connecting ring 605 and the limit block 606, it can avoid deviation or loosening and maintain stable sliding.

[0023] Working principle: The friction shell 301 is sleeved on the outside of the drill bit 2. When the drill rod 1 drives the drill bit 2 to drill a hole through the power end, the ventilation fan 303 embedded in the placement shell 302 accelerates air circulation and dissipates heat, allowing debris to enter the connection shell 304 and, under the guidance of the guide block 307, enter the storage groove 306 of the pull-out shell 305 and then pass through the filter 308 to filter the gas and discharge. The debris is collected uniformly to avoid diffusion or accumulation. After the drilling is completed, it is difficult to clean the hole. The ring 4 fixed by the drill rod 1 It is rotatably connected to the ball bearing 5, and the connecting sleeve 601, the first telescopic sleeve 602 and the second telescopic sleeve 603 are arranged to form a telescopic form, which facilitates the insertion of the drill bit 2 into mechanical parts. At the same time, the second telescopic sleeve 603 is fixed to the abutment shell 301, and can fit the parts to avoid looseness. The connecting sleeve 601, the first telescopic sleeve 602 and the second telescopic sleeve 603 are engaged and slid with each other through the limit groove 604, the connecting ring 605 and the limit block 606 to avoid rotation or deviation.

[0024] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

[0025] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A coated drill bit for machining deep holes based on mechanical parts, comprising a drill rod (1), characterized in that: A drill bit (2) is fixed below the drill rod (1), and a cleaning mechanism (3) is provided below the outside of the drill bit (2); The cleaning mechanism (3) comprises a resistance shell (301), the resistance shell (301) is sleeved on the outside of the drill bit (2), and a placement shell (302) is fixed to one side of the outer wall of the resistance shell (301), a ventilation fan (303) is embedded on the outside of the placement shell (302), a connecting shell (304) is fixed to the other side of the outer wall of the resistance shell (301), and a draw-out shell (305) is slidably connected to the inside of the connecting shell (304), a receiving groove (306) is provided inside the draw-out shell (305), and a filter screen (308) is embedded on one side of the inner side of the draw-out shell (305), and a guide block (307) is fixed to one end of the draw-out shell (305) that penetrates into the resistance shell (301).

2. The coated drill bit for deep hole machining based on mechanical parts according to claim 1, characterized in that: A sliding structure is formed between the drawer shell (305) and the connecting shell (304), and the connecting shell (304) is in communication with the placement shell (302).

3. The coated drill bit for deep hole machining based on mechanical parts according to claim 1, characterized in that: The guide block (307) is fixedly connected to the connection shell (304), and the structure of the guide block (307) is a conical structure.

4. The coated drill bit for machining deep holes in mechanical parts according to claim 1, characterized in that: A collar (4) is fixed to the outer wall of the drill rod (1), and a ball bearing (5) is rotatably connected to the outside of the collar (4).

5. The coated drill bit for machining deep holes in mechanical parts according to claim 4, characterized in that: A connecting mechanism (6) is provided on the outside of the ball bearing (5), and the connecting mechanism (6) comprises a connecting sleeve (601). The connecting sleeve (601) is fixed to the outer wall of the ball bearing (5), and a first telescopic sleeve (602) extends through the interior of the connecting sleeve (601), and a second telescopic sleeve (603) extends through the interior of the first telescopic sleeve (602).

6. The coated drill bit for machining deep holes in mechanical parts according to claim 5, characterized in that: The connecting mechanism (6) further comprises a limiting groove (604), wherein the limiting groove (604) is provided on the inner wall of the connecting sleeve (601), a connecting ring (605) is fixed on the outer wall of one end of the first telescopic sleeve (602) that penetrates into the connecting sleeve (601), and a limiting block (606) is fixed on the outer wall of the connecting ring (605) at a position corresponding to the limiting groove (604).

7. The coated drill bit for machining deep holes in mechanical parts according to claim 6, characterized in that: The connecting ring (605) forms a sliding structure between the limiting block (606) and the limiting groove (604), and a sliding structure is formed between the connecting ring (605) and the connecting sleeve (601).

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