Self-cleaning punching drill bit

Abstract

The utility model relates to the technical field of punching processing, and particularly discloses a self-cleaning punching drill bit which comprises a main shaft, a drill bit body, a fastening piece, a sliding piece, a rotating piece and a chip removal assembly. The drill bit is fixed to the bottom of the spindle, the sliding piece is matched with the sliding block through the sliding groove and slides in the axial direction of the spindle, the fastener is connected with the sliding piece through threads, and the drill bit is sleeved with the rotating piece through a clamping structure. The chip removal assembly is composed of a chip removal block and a spring, and the chip removal block abuts against a chip removal groove of the drill bit through the spring. The sliding piece is driven to move by rotating the fastening piece, the rotating piece is driven to rotate along the chip removal groove, and after drilling is stopped, the chip removal block scrapes chips in the groove under the pressure of the spring. The self-cleaning drill bit achieves the self-cleaning function on the chip groove of the drill bit after drilling is finished, solves the problems that a traditional drill bit is low in chip removal efficiency, overheating is caused by chip adhesion, and the service life is shortened, has the advantages of being compact in structure, convenient and fast to operate and efficient in cleaning, and is suitable for special material machining scenes.

Description

Technical Field

[0001] This utility model relates to the field of drilling technology, specifically a self-cleaning drilling bit. Background Technology

[0002] In the machining industry, drilling bits are a widely used tool for drilling various materials. However, traditional drilling bits often face a series of challenges in actual operation. If the large amount of debris generated during drilling is not removed promptly, it tends to accumulate in the drill bit's chip flutes. This not only significantly reduces drilling and chip removal efficiency but may also damage the drill bit or the workpiece.

[0003] Traditional cleaning methods, such as using a brush or rinsing with water, are effective at removing debris in most cases, but they fall short when drilling into special materials. Due to the high temperatures generated during drilling, some debris melts and adheres to the drill bit's chip flutes, making ordinary brush cleaning or water rinsing ineffective. Furthermore, the accumulation of debris can exacerbate drill bit overheating, further reducing its lifespan and affecting the quality of the finished product.

[0004] In view of the above problems, the industry urgently needs an innovative solution, namely a self-cleaning drill bit, to overcome the limitations of traditional drill bits in chip removal and cleaning. Utility Model Content

[0005] (a) Technical problems to be solved

[0006] To address the shortcomings of existing technologies, this utility model provides a self-cleaning drilling bit, which has the advantages of conveniently cleaning the chips inside the chip groove of the drill bit. It solves the problem that a large amount of chips often accumulate in the chip groove of traditional drilling bits, which significantly reduces drilling and chip removal efficiency and may also damage the drill bit or workpiece.

[0007] (II) Technical Solution

[0008] To achieve the aforementioned goal of facilitating the cleaning of chips inside the drill bit chip groove, this utility model provides the following technical solution:

[0009] A self-cleaning drilling bit includes a spindle, a drill bit disposed at the bottom of the spindle, a fastener and a sliding member sleeved on the spindle, the upper end of the fastener being rotatably engaged with the spindle, the sliding member being slidable along the axis of the drill bit, the bottom of the fastener being threaded onto the top of the sliding member, a rotating member sleeved on the drill bit being rotatably engaged on the inner side of the bottom of the sliding member, and at least one set of chip removal components being disposed inside the rotating member.

[0010] The outer surface of the spindle is provided with a number of sliding grooves, and the sliding component is provided with a number of sliders inside, with the sliding grooves and sliders cooperating with each other.

[0011] A set of the chip removal components includes a chip removal block and a spring. The drill bit has at least one set of chip removal grooves. One end of the chip removal block is movably engaged with the inner side of the rotating part, and the other end is in contact with the chip removal groove. The spring is located inside the rotating part and one side abuts against the chip removal groove.

[0012] The preferred technical solution of this utility model is that a slot is provided on the outer surface of the spindle, and a retaining ring is provided on the inner side of the upper end of the fastener, and the slot and the retaining ring cooperate with each other.

[0013] The preferred technical solution of this utility model is that a second retaining ring is provided on the bottom inner side of the sliding member, and a second retaining groove is provided on the outer surface of the rotating member, and the second retaining groove cooperates with the retaining ring.

[0014] A preferred embodiment of this invention is that the sliding direction of the slider along the groove is parallel to the direction of the drill bit's rotation axis.

[0015] A preferred embodiment of this invention is that a first anti-slip strip is provided on the outer surface of the fastener, and a second anti-slip strip is provided at the lower end of the outer surface of the sliding member.

[0016] The preferred technical solution of this utility model is that the upper end of the outer surface of the sliding member is provided with a second thread, and the lower end of the inner surface of the fastener is provided with a first thread, and the first thread and the second thread cooperate with each other.

[0017] The preferred technical solution of this utility model is that the contact surface between the chip removal block and the chip removal groove is a smooth curved surface.

[0018] The preferred technical solution of this utility model is that the moving direction of the chip removal block is perpendicular to the axis direction of the drill bit.

[0019] A preferred embodiment of this invention is that the spring is always in a compressed state.

[0020] (III) Beneficial Effects

[0021] Compared with the prior art, this utility model provides a self-cleaning drilling bit, which has the following beneficial effects:

[0022] This self-cleaning drill bit features a sliding component that rotates and engages with a rotating component mounted on the drill bit. With the assistance of a spring, the chip removal block comes into close contact with the chip removal groove when the sliding component is moved, and the rotating component rotates along the direction of rotation of the chip removal groove, effectively removing chips from the chip removal groove.

[0023] This self-cleaning drill bit uses a groove on the spindle to engage with a slider inside the sliding component. By rotating the fastener, the slider can be moved stably under the action of the thread, quickly achieving the fixation and separation of the slider and the fastener. When the slider and the fastener are fixed by rotating the thread, they rotate together with the spindle and the drill bit without affecting the drilling effect. At the same time, when it is necessary to clean the drill bit, simply rotate the fastener and then move the slider to achieve quick cleaning, making it more time-saving and convenient to use. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the overall structure of the present invention in its working state;

[0025] Figure 2 This is a schematic diagram of the structure of the present invention in a clean state;

[0026] Figure 3 This is an exploded view of the structure of this utility model;

[0027] Figure 4 This is a cross-sectional view of the overall structure of this utility model;

[0028] Figure 5 for Figure 4 Enlarged schematic diagram of the structure at point A in the middle;

[0029] Figure 6 This is a schematic diagram of the main shaft structure in this utility model;

[0030] Figure 7 This is a schematic diagram of the fastener structure in this utility model;

[0031] Figure 8 This is a schematic diagram of the sliding component structure in this utility model;

[0032] Figure 9 This is a partial cross-sectional schematic diagram of the rotating component and chip removal assembly in this utility model.

[0033] In the diagram: 1. Spindle; 11. Slot 1; 12. Slide groove; 2. Drill bit; 21. Chip removal groove; 3. Fastener; 31. Snap ring 1; 32. Thread 1; 33. First anti-slip strip; 4. Sliding component; 41. Snap ring 2; 42. Slider; 43. Thread 2; 44. Second anti-slip strip; 5. Rotating component; 51. Slot 2; 6. Chip removal assembly; 61. Chip removal block; 62. Spring. Detailed Implementation

[0034] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. 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.

[0035] In the description of this utility model, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0036] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0037] Please see Figure 1-9 A self-cleaning drilling bit includes a spindle 1, a drill bit 2 at the bottom of the spindle 1, a fastener 3 and a sliding member 4 on the spindle 1, the upper end of the fastener 3 being rotatably engaged with the spindle 1, the sliding member 4 being able to slide along the axis of the drill bit 2, the bottom of the fastener 3 being threaded onto the top of the sliding member 4, a rotating member 5 being rotatably engaged on the inner side of the bottom of the sliding member 4, and at least one set of chip removal components 6 being provided inside the rotating member 5.

[0038] The outer surface of the spindle 1 has several grooves 12, and the sliding member 4 has several sliders 42 inside, with the grooves 12 and sliders 42 cooperating with each other.

[0039] A chip removal assembly 6 includes a chip removal block 61 and a spring 62. The drill bit 2 has at least one set of chip removal grooves 21. One end of the chip removal block 61 is movably engaged with the inner side of the rotating part 5, and the other end is in contact with the chip removal groove 21. The spring 62 is located inside the rotating part 5 and one side abuts against the chip removal groove 21.

[0040] It should be noted that the cleaning method described in this article is applicable to threaded drill bits 2. Threaded drill bits 2 are also prone to accumulating debris and are difficult to clean. The structure described above can effectively clean the debris in the chip groove 21 of the threaded drill bit 2.

[0041] In this embodiment, a slot 11 is provided on the outer surface of the spindle 1, and a retaining ring 31 is provided on the inner side of the upper end of the fastener 3. The slot 11 and the retaining ring 31 cooperate with each other.

[0042] It should be noted that the rotating snap-fit ​​design between the spindle 1 and the fastener 3 not only facilitates the flexible rotation of the fastener 3 on the spindle 1, but also ensures that the fastener 3 will not fall off due to force during the drilling process, thereby ensuring the stability and safety of the entire structure.

[0043] In this embodiment, a retaining ring 41 is provided on the bottom inner side of the sliding member 4, and a retaining groove 51 is provided on the outer surface of the rotating member 5. The retaining groove 51 and the retaining ring cooperate with each other.

[0044] It should be noted that the snap-fit ​​design between the sliding part 4 and the rotating part 5 allows the rotating part 5 to be securely mounted on the drill bit 2, and when the sliding part 4 moves, it can drive the rotating part 5 to slide along the axis of the drill bit 2, ensuring that the chip removal assembly 6 can accurately cooperate with the chip removal groove 21 to achieve efficient cleaning.

[0045] In this embodiment, the sliding direction of the slider 42 along the groove 12 is parallel to the direction of the rotating spindle 1 of the drill bit 2.

[0046] It should be noted that the design of the slider 42 sliding along the groove 12 parallel to the direction of the rotating spindle 1 of the drill bit 2 ensures that when the fastener 3 is rotated, the slider 4 slides out stably along the direction of the groove 12, thus improving the stability of the structure.

[0047] In this embodiment, a first anti-slip strip 33 is provided on the outer surface of the fastener 3, and a second anti-slip strip 44 is provided at the lower end of the outer surface of the sliding member 4.

[0048] It should be noted that the anti-slip strip design on fastener 3 and sliding part 4 increases the friction when the operator holds the device, making it easier to make stable adjustments and operations during drilling, thus improving work efficiency and safety.

[0049] In this embodiment, the upper end of the outer surface of the sliding member 4 is provided with thread 2 43, and the lower end of the inner surface of the fastener 3 is provided with thread 1 32. Thread 1 32 and thread 2 43 cooperate with each other.

[0050] It should be noted that the design of the fit between thread 32 and thread 43 makes it easier to fix and separate the fastener 3 and the sliding part 4. It can be completed simply by rotating the fastener 3, which greatly improves the time-saving and convenience of the cleaning operation.

[0051] In some embodiments, the contact surface between the chip removal block 61 and the chip removal groove 21 is a smooth curved surface, the movement direction of the chip removal block 61 is perpendicular to the axis of the drill bit 2, and the spring 62 is always in a compressed state.

[0052] It should be noted that the contact surface between the chip removal block 61 and the chip removal groove 21 is designed with a smooth curved surface, which reduces frictional resistance and reduces wear on the drill bit 2 and the chip removal groove 21. At the same time, it ensures that the chip removal block 61 can stably fit with the chip removal groove 21 and effectively remove chips. The spring 62 is designed to make this cleaning component suitable for different types of drill bits 2.

[0053] In summary, the self-cleaning drill bit 2 has a rotating component 5 sleeved on the drill bit 2, which is rotatably engaged on the inner side of the bottom of the sliding component 4. With the assistance of the spring 62, when the sliding component 4 is moved, the chip removal block 61 is in close contact with the chip removal groove 21, and the rotating component 5 rotates along the rotation direction of the chip removal groove 21, effectively removing the chips in the chip removal groove 21.

[0054] The self-cleaning drill bit 2 works by engaging the slide groove 12 on the spindle 1 with the slider 42 inside the slider 4. By rotating the fastener 3, the slider 4 can be moved stably under the action of the thread, quickly achieving the fixation and separation of the slider 4 and the fastener 3. When the slider 4 and the fastener 3 are fixed by rotating the thread, they rotate together with the spindle 1 and the drill bit 2 without affecting the drilling effect. At the same time, when it is necessary to clean the drill bit 2, simply rotate the fastener 3 and then move the slider 4 to achieve quick cleaning, making it more time-saving and convenient to use.

[0055] Working principle: Before drilling begins, the operator first rotates the fastener 3 and uses the cooperation of thread 32 and thread 43 to adjust the sliding part 4 to the appropriate position and fix the fastener 3 and the sliding part 4 to ensure the stability of the entire structure. Then, the drilling equipment is started and the spindle 1 drives the drill bit 2 to rotate, and the drilling operation begins.

[0056] During drilling, as the drill bit 2 penetrates deeper, the resulting chips adhere to the chip removal groove 21. When cleaning the drill bit 2 is required, first stop its rotation. Simultaneously, the operator only needs to rotate the fastener 3 to loosen the fixation between the sliding member 4 and the fastener 3. Then, move the sliding member 4 along the direction of the groove 12, which will drive the rotating member 5 and the chip removal assembly 6 to move together. Since the chip removal block 61 and the chip removal groove 21 are always in contact under the action of the spring 62, the rotating member 5 also rotates as the sliding member 4 moves, scraping away the chips in the chip removal groove 21 through the chip removal block 61. After cleaning, readjust the position of the sliding member 4 and fix the fastener 3 to continue drilling. The entire cleaning process is time-saving and convenient, greatly improving work efficiency.

[0057] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A self-cleaning drilling bit, comprising a spindle, characterized in that: A drill bit is provided at the bottom of the spindle. A fastener and a sliding member are sleeved on the spindle. The upper end of the fastener is rotatably engaged with the spindle. The sliding member can slide along the axis of the drill bit. The bottom of the fastener is threaded onto the top of the sliding member. A rotating member sleeved on the drill bit is rotatably engaged on the inner side of the bottom of the sliding member. At least one set of chip removal components is provided inside the rotating member. The outer surface of the spindle is provided with a plurality of sliding grooves, and the sliding component is provided with a plurality of sliders inside, the sliding grooves and sliders cooperating with each other; A set of the chip removal components includes a chip removal block and a spring. The drill bit has at least one set of chip removal grooves. One end of the chip removal block is movably engaged with the inner side of the rotating part, and the other end is in contact with the chip removal groove. The spring is located inside the rotating part and one side abuts against the chip removal groove.

2. The self-cleaning drilling bit according to claim 1, characterized in that: A slot is provided on the outer surface of the spindle, and a retaining ring is provided on the inner side of the upper end of the fastener. The slot and the retaining ring cooperate with each other.

3. The self-cleaning drill bit according to claim 1, characterized in that: The sliding component has a retaining ring at its inner bottom and a retaining groove on its outer surface. The retaining groove and the retaining ring cooperate with each other.

4. The self-cleaning drill bit according to claim 1, characterized in that: The sliding direction of the slider along the groove is parallel to the direction of the drill bit's rotation axis.

5. A self-cleaning drilling bit according to claim 1, characterized in that: A first anti-slip strip is provided on the outer surface of the fastener, and a second anti-slip strip is provided at the lower end of the outer surface of the sliding member.

6. A self-cleaning drilling bit according to claim 1, characterized in that: The upper end of the outer surface of the sliding component is provided with thread two, and the lower end of the inner surface of the fastener is provided with thread one, and thread one and thread two cooperate with each other.

7. A self-cleaning drilling bit according to claim 1, characterized in that: The contact surface between the chip removal block and the chip removal groove is a smooth curved surface.

8. A self-cleaning drilling bit according to claim 1, characterized in that: The movement direction of the chip removal block is perpendicular to the axis of the drill bit.

9. A self-cleaning drilling bit according to claim 1, characterized in that: The spring is always in a compressed state.

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