Multi-edge drill bit tool

Abstract

The utility model relates to the technical field of drill bit tools, in particular to a multi-edge drill bit tool which improves the efficiency of drilling into an object, facilitates linear cutting of the object and improves diversity. Comprising a drill rod and a chip groove, and the chip groove is formed in the outer side wall of the drill rod; the drilling tool further comprises side cutting assemblies, first inclined faces, first cutting faces and second inclined faces, the two first inclined faces are oppositely arranged at the bottom end of the drilling rod, the bottoms of the two first inclined faces form the shape of the first cutting faces, and the two second inclined faces are oppositely arranged on the two sides of the first cutting faces correspondingly. 50-degree included angles are formed between the two sets of second slopes and the two sets of first slopes correspondingly, and the side cutting assemblies are arranged on the outer side walls of the two sets of first slopes and used for improving the cutting capacity of the two sets of first slopes.

Description

Technical Field

[0001] This utility model relates to the technical field of drill bit tools, and in particular to a multi-blade drill bit tool. Background Technology

[0002] Drill bits are commonly used tools in many fields such as machining, construction, and geological exploration. Traditional drill bits typically employ a single- or double-edged structure, which presents some significant drawbacks during the drilling process.

[0003] For example, the patent with prior art authorization announcement number CN214161657U discloses a composite thread drill bit, which belongs to the field of drill bit devices. It solves the problem of complex and unstable process of drilling composite threaded holes in the prior art. The technical solution is: a composite thread drill bit, including: a first drill bit, a threaded knob, and a second drill bit. The diameter of the second drill bit is larger than the diameter of the first drill bit, and the tail of the first drill bit is provided with a threaded knob.

[0004] However, it was found during the use of this drill bit that, due to the limited number of cutting edges, the cutting force distribution of the single-edged drill bit is uneven, which easily leads to low drilling efficiency and reduces the ease of use. Summary of the Invention

[0005] To solve the above-mentioned technical problems, this utility model provides a multi-blade drill bit that improves the efficiency of drilling into objects, facilitates linear cutting of objects, and enhances versatility.

[0006] This utility model discloses a multi-blade drill bit, comprising a drill rod and a chip removal groove, the chip removal groove being disposed on the outer wall of the drill rod; it also includes a side cutting assembly, a first inclined surface, a first cutting surface, and a second inclined surface. Two sets of first inclined surfaces are disposed facing each other at the bottom end of the drill rod, the bottoms of the two sets of first inclined surfaces forming a first cutting surface shape. Two sets of second inclined surfaces are disposed facing each other on both sides of the first cutting surface, and the two sets of second inclined surfaces form a 50° angle with the two sets of first inclined surfaces. The side cutting assembly is disposed on the outer wall of the two sets of first inclined surfaces, and the side cutting assembly is used to increase the cutting capacity of the two sets of first inclined surfaces; an external device drives the drill rod to rotate. After the drill rod rotates, it first contacts the object being cut through the first cutting surface. The object is drilled by rotating the bottom of the first cutting surface. As the first cutting surface continues to penetrate downwards, the side cutting component cuts the object on both sides of the two sets of first inclined surfaces. By setting two sets of second inclined surfaces, the area at the bottom of the first cutting surface is reduced, improving the efficiency of drilling into the object. At the same time, the angle between the first and second inclined surfaces cuts the object, thereby improving drilling efficiency. By contacting the bottom of the first cutting surface with the object, and then moving the drill rod horizontally, it is easier to use the first cutting surface to linearly cut the object, increasing versatility.

[0007] Preferably, the side cutting assembly includes multiple sets of cutting heads, multiple sets of third inclined surfaces, and multiple sets of second cutting surfaces. The multiple sets of cutting heads are respectively disposed on the outer walls of the two sets of first inclined surfaces, and the multiple sets of third inclined surfaces are respectively disposed on the outer walls of the multiple sets of cutting heads. The ends of the multiple sets of third inclined surfaces form multiple second cutting surfaces. After the drill rod rotates, it cuts the two sides of the two sets of first inclined surfaces through the multiple sets of second cutting surfaces, thereby improving the uniformity of the drilling force and improving the drilling efficiency.

[0008] Preferably, it also includes two sets of triangular blocks and two sets of third cutting surfaces. The two sets of triangular blocks are respectively set on the outer walls of the two sets of first inclined surfaces, and the ends of the two sets of triangular blocks form the shapes of the two sets of third cutting surfaces. The debris is cut by rotating the two sets of third cutting surfaces, thereby improving the effect of cutting and discharging debris and reducing the situation of debris getting entangled on the drill pipe.

[0009] Preferably, it also includes two sets of arc-shaped grooves, which are arranged opposite to each other on both sides of the drill pipe, and the two sets of arc-shaped grooves are connected to two sets of second inclined surfaces; by setting two sets of arc-shaped grooves, the convenience of debris discharge is improved, and at the same time, it is convenient to cut the debris with the acute angle between the arc-shaped groove and the drill pipe when the debris is discharged upward, thereby improving the use effect.

[0010] Preferably, it also includes a drain hole and a drain hole, with the drain hole located at the top of the drill rod and the drain hole located at the bottom of the drill rod, and the drain hole communicating with the drain hole; this improves the convenience of delivering lubricating fluid to the drilling position.

[0011] Preferably, it also includes a connecting pipe, which is connected to the top of the liquid inlet hole; this improves the convenience of connecting the liquid inlet hole to external pipelines.

[0012] Preferably, the angle between the two sets of first inclined planes is 45°; this ensures the strength of the first cutting surface while improving its cutting efficiency.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows: the external device drives the drill rod to rotate. After the drill rod rotates, it first contacts the object to be cut through the first cutting surface. The object is drilled by rotating the bottom of the first cutting surface. As the first cutting surface continues to penetrate downwards, the side cutting component cuts the object on both sides of the two sets of first inclined surfaces. By setting two sets of second inclined surfaces, the area at the bottom of the first cutting surface is reduced, improving the efficiency of drilling into the object. At the same time, the angle between the first and second inclined surfaces cuts the object, thereby improving the drilling efficiency. By contacting the bottom of the first cutting surface with the object, and then moving the drill rod horizontally, it is easier to use the first cutting surface to linearly cut the object, thus improving versatility. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the isometric structure of this utility model;

[0015] Figure 2This is an isometric structural diagram of the connection between the drill pipe and the first inclined plane;

[0016] Figure 3 This is a partial isometric structural diagram showing the connection between the first inclined plane and the triangular block, etc.

[0017] Figure 4 It is a schematic diagram of the drill rod and the arc-shaped groove, etc.

[0018] Figure 5 This is a partial isometric structural diagram of the connection between the drill pipe and the connecting pipe, etc.

[0019] The following are labels in the attached diagram: 1. Drill rod; 2. First inclined plane; 3. First cutting surface; 4. Second inclined plane; 5. Chip removal groove; 6. Cutting head; 7. Third inclined plane; 8. Second cutting surface; 9. Triangular block; 10. Third cutting surface; 11. Arc groove; 12. Drain hole; 13. Inlet hole; 14. Connecting pipe. Detailed Implementation

[0020] To facilitate understanding of this utility model, a more complete description will be given below with reference to the accompanying drawings. This utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to make the disclosure of this utility model more thorough and complete. Example 1

[0021] like Figures 1 to 5 As shown, this utility model discloses a multi-blade drill bit, including a drill rod 1 and a chip removal groove 5, the chip removal groove 5 being disposed on the outer side wall of the drill rod 1; it also includes a side cutting assembly, a first inclined surface 2, a first cutting surface 3, and a second inclined surface 4. Two sets of first inclined surfaces 2 are disposed opposite to each other at the bottom end of the drill rod 1, the bottom of the two sets of first inclined surfaces 2 forming a first cutting surface 3 shape, and two sets of second inclined surfaces 4 are disposed opposite to each other on both sides of the first cutting surface 3, and the two sets of second inclined surfaces 4 form a 50° angle with the two sets of first inclined surfaces 2 respectively. The side cutting assembly is disposed on the outer side wall of the two sets of first inclined surfaces 2, and the side cutting assembly is used to increase the cutting capacity of the two sets of first inclined surfaces 2.

[0022] like Figure 3 As shown, the side cutting assembly includes multiple sets of cutting heads 6, multiple sets of third inclined surfaces 7, and multiple sets of second cutting surfaces 8. The multiple sets of cutting heads 6 are respectively disposed on the outer walls of the two sets of first inclined surfaces 2, and the multiple sets of third inclined surfaces 7 are respectively disposed on the outer walls of the multiple sets of cutting heads 6. The ends of the multiple sets of third inclined surfaces 7 form multiple second cutting surfaces 8.

[0023] In this embodiment, an external device drives the drill rod 1 to rotate. After the drill rod 1 rotates, it first contacts the object to be cut through the first cutting surface 3. The object is drilled by rotating the bottom of the first cutting surface 3. As the first cutting surface 3 continues to penetrate downwards, the side cutting component cuts the object on both sides of the two sets of first inclined surfaces 2. By setting two sets of second inclined surfaces 4, the area of ​​the bottom of the first cutting surface 3 is reduced, improving the efficiency of drilling into the object. At the same time, the included angle between the first inclined surface 2 and the second inclined surface 4 cuts the object, thereby improving the drilling efficiency. By contacting the bottom of the first cutting surface 3 with the object, and then moving the drill rod 1 horizontally, it is easier to use the first cutting surface 3 to linearly cut the object, thus improving versatility. Example 2

[0024] Based on Example 1, such as Figure 3 As shown, the multi-blade drill bit of this utility model also includes two sets of triangular blocks 9 and two sets of third cutting surfaces 10. The two sets of triangular blocks 9 are respectively disposed on the outer walls of the two sets of first inclined surfaces 2, and the ends of the two sets of triangular blocks 9 form the shape of two sets of third cutting surfaces 10.

[0025] like Figure 3 As shown, it also includes two sets of arc-shaped grooves 11, which are arranged opposite to each other on both sides of the drill rod 1, and the two sets of arc-shaped grooves 11 are connected to the two sets of second inclined surfaces 4.

[0026] like Figure 4 As shown, it also includes a drain hole 12 and a drain hole 13. The drain hole 13 is located at the top of the drill rod 1, and the drain hole 12 is located at the bottom of the drill rod 1. The drain hole 12 and the drain hole 13 are connected.

[0027] like Figure 5 As shown, it also includes a connecting pipe 14, which is connected to the top of the liquid inlet hole 13;

[0028] like Figure 3 As shown, the angle between the two sets of first inclined planes 2 is 45°;

[0029] In this embodiment, after the drill rod 1 rotates, it cuts the two sides of the two sets of first inclined surfaces 2 through multiple sets of second cutting surfaces 8, thereby improving the uniformity of the drilling force and improving the drilling efficiency. The two sets of third cutting surfaces 10 rotate to cut the debris, thereby improving the effect of cutting and discharging the debris and reducing the situation of debris entanglement on the drill rod 1.

[0030] This utility model discloses a multi-blade drill bit. During operation, an external device drives the drill rod 1 to rotate. After the drill rod 1 rotates, it first contacts the object to be cut through the first cutting surface 3. The object is drilled through the bottom of the first cutting surface 3. As the first cutting surface 3 continues to penetrate downwards, the side cutting component cuts the object on both sides of the two sets of first inclined surfaces 2. By setting two sets of second inclined surfaces 4, the area of ​​the bottom of the first cutting surface 3 is reduced. At the same time, the included angle between the first inclined surface 2 and the second inclined surface 4 cuts the object. By contacting the bottom of the first cutting surface 3 with the object, and then moving the drill rod 1 horizontally, it is easier to use the first cutting surface 3 to perform linear cutting of the object.

[0031] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A multi-blade drill bit, comprising a drill rod (1) and a chip removal groove (5), the chip removal groove (5) being disposed on the outer side wall of the drill rod (1); characterized in that, It also includes a side cutting assembly, a first inclined surface (2), a first cutting surface (3) and a second inclined surface (4). The two sets of first inclined surfaces (2) are arranged opposite each other at the bottom end of the drill rod (1). The bottom of the two sets of first inclined surfaces (2) forms a first cutting surface (3) shape. The two sets of second inclined surfaces (4) are arranged opposite each other on both sides of the first cutting surface (3), and the two sets of second inclined surfaces (4) form a 50° angle with the two sets of first inclined surfaces (2). The side cutting assembly is arranged on the outer wall of the two sets of first inclined surfaces (2). The side cutting assembly is used to increase the cutting ability of the two sets of first inclined surfaces (2).

2. A multi-blade drill bit as described in claim 1, characterized in that, The side cutting assembly includes multiple sets of cutting heads (6), multiple sets of third inclined surfaces (7) and multiple sets of second cutting surfaces (8). The multiple sets of cutting heads (6) are respectively disposed on the outer walls of the two sets of first inclined surfaces (2), and the multiple sets of third inclined surfaces (7) are respectively disposed on the outer walls of the multiple sets of cutting heads (6). The ends of the multiple sets of third inclined surfaces (7) form multiple second cutting surfaces (8).

3. A multi-blade drill bit as described in claim 1, characterized in that, It also includes two sets of triangular blocks (9) and two sets of third cutting surfaces (10). The two sets of triangular blocks (9) are respectively set on the outer walls of the two sets of first inclined surfaces (2), and the ends of the two sets of triangular blocks (9) form the shape of two sets of third cutting surfaces (10).

4. A multi-blade drill bit as described in claim 1, characterized in that, It also includes two sets of arc grooves (11), which are arranged opposite to each other on both sides of the drill rod (1), and the two sets of arc grooves (11) are connected to the two sets of second inclined surfaces (4).

5. A multi-blade drill bit as described in claim 1, characterized in that, It also includes a drain hole (12) and an inlet hole (13). The inlet hole (13) is located at the top of the drill rod (1), and the drain hole (12) is located at the bottom of the drill rod (1). The drain hole (12) and the inlet hole (13) are connected.

6. A multi-blade drill bit as described in claim 5, characterized in that, It also includes a connecting pipe (14), which is connected to the top of the liquid inlet (13).

7. A multi-blade drill bit as described in claim 1, characterized in that, The angle of the two sets of first inclined planes (2) is 45°.

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