Deep hole machining drill bit with high precision

Abstract

The utility model discloses a deep hole processing drill bit with high precision, and relates to the technical field of deep hole processing drill bits, the deep hole processing drill bit comprises an outer cavity pipe with a chip removal function, the front end of the outer wall of the outer cavity pipe is fixedly connected with a switching water ring, the outer wall of the switching water ring is connected with a water spraying head through a water spraying group, and the front end of the outer cavity pipe is fixedly connected with a sealing plate. The drill rod is used for drilling, the rear end of the drill rod is fixedly connected with an installation pipe, the outer wall of the installation pipe is connected with an adjusting ring through an elastic set, the inner wall of the installation pipe is fixedly connected with an inner hexagonal pipe, and the outer wall of the installation pipe is connected with a fixing steel ball through a fixing set. According to the utility model, the drilling cuttings are ensured not to be accumulated in the inner cavity of the drill hole, so that the negative influence of the drilling cuttings on the inner diameter, the precision and the processing quality of the drill hole is avoided, the time and manpower required by installation are reduced, the efficiency and the stability of the installation process are improved, and the daily maintenance is also facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of deep hole processing drill bits, in particular to a deep hole processing drill bit with high precision. Background Art

[0002] A deep hole drilling drill is a tool specifically designed for deep hole machining, ideal for creating deep, straight holes in metal, plastic, or other materials. Deep hole drilling drills are characterized by a structure and geometry that effectively address the challenges encountered during deep hole machining.

[0003] After searching, the publication number CN209986290U is a deep hole processing drill bit, which includes a semi-ellipsoidal first drill bit, a cylindrical drill bit connecting rod coaxially welded vertically on the upper surface of the first drill bit, a second drill bit horizontally and fixedly embedded at the axis of one end of the first drill bit away from the drill bit connecting rod, a fifth coolant channel horizontally and running through the inside of the second drill bit, and arc-shaped auxiliary cutting blocks equidistantly and fixedly provided on the spherical surface of the first drill bit, and multiple auxiliary cutting blocks are integrated with the first drill bit. The utility model provides a first groove, a dust channel, and a second groove on the first drill bit to facilitate chip removal during operation of the device, and under the joint action of the coolant delivery channel group, the fourth coolant channel, and the fifth coolant channel, the coolant facilitates cooling of the first drill bit and the second drill bit, thereby extending the service life of the device:

[0004] Based on the above patent, by arranging the first groove, the dust channel and the second groove on the first drill bit, it is convenient for the device to remove chips during operation, and under the joint action of the coolant delivery channel group, the fourth coolant channel and the fifth coolant channel, it is convenient for the coolant to cool the first drill bit and the second drill bit, thereby extending the service life of the device. However, in this patent, when the deep hole processing drill bit is drilling, drill chips will be generated during drilling, and when the drill chips move in the inner cavity of the borehole during drilling, they will scrape the hole wall, and the accumulation or uneven distribution of the drill chips may cause the drill bit to deflect, affecting the straightness and accuracy of the drilled hole, and affecting the processing accuracy.

[0005] Therefore, in order to solve the problems that the drill cuttings generated during the existing drilling affect the processing accuracy and the drill rod is inconvenient to install quickly, a high-precision deep hole processing drill bit is needed to solve the above problems. Utility Model Content

[0006] In order to solve the problems in the prior art that drill chips generated during drilling affect machining accuracy and that the drill rod is inconvenient to install quickly, the present application provides a high-precision deep hole machining drill bit.

[0007] To achieve the above object, the utility model provides the following technical scheme:

[0008] A high-precision deep hole processing drill bit, comprising:

[0009] As the outer cavity pipe of the chip removal effect, the outer wall of the outer cavity pipe is fixedly connected with the adapter water ring at the front end, the outer wall of the adapter water ring is connected with the water spray head through the water spray group, and the front end of the outer cavity pipe is fixedly connected with the sealing plate.

[0010] As the drill rod of the drilling effect, the rear end of the drill rod is fixedly connected with the mounting pipe, the outer wall of the mounting pipe is connected with the adjusting ring through the elastic group, the inner wall of the mounting pipe is fixedly connected with the inner hexagonal pipe, and the outer wall of the mounting pipe is connected with the fixed steel ball through the fixed group.

[0011] As a further improvement of the utility model, the water spray group comprises a delivery pipe fixedly connected to the outer wall of the front end of the adapter water ring on four sides, the outer wall of the water spray head is fixedly connected with the delivery pipe output end respectively, and the rear end of the outer wall of the adapter water ring is fixedly connected with an input pipe.

[0012] As a further improvement of the utility model, the outer wall of the outer cavity pipe is provided with an outer discharge groove on four sides at the rear end, and the inner wall of the outer cavity pipe is fixedly connected with a drainage ring on the inner side of the outer discharge groove.

[0013] As a further improvement of the utility model, the rear end of the outer wall of the drill rod is fixedly connected with a first connecting ring, the outer wall of the first connecting ring is slidingly connected to the rear end of the inner wall of the outer cavity pipe, and the front end of the first connecting ring is rotatably connected with a first sliding groove ring.

[0014] As a further improvement of the utility model, the inner wall of the outer cavity pipe is fixedly connected with a second connecting ring at the front end, the rear end of the second connecting ring is rotatably connected with a second sliding groove ring, the outer wall of the drill rod is slidingly connected to the inner wall of the second sliding groove ring, the inner wall of the rear end of the second sliding groove ring is fixedly connected with a first spring on four sides, and the rear end of the first spring is fixedly connected to the inner wall of the front end of the first sliding groove ring on four sides.

[0015] As a further improvement of the utility model, the elastic group comprises a second spring fixedly connected to the rear end of the mounting pipe, and the rear end of the second spring is fixedly connected to the front end of the adjusting ring.

[0016] As a further improvement of the utility model, the fixed group comprises a fitting ring fixedly connected to the outer wall of the rear end of the mounting pipe, and the outer wall of the fixed steel ball is tightly attached to the outer wall of the front end of the fitting ring and the outer wall of the rear end of the adjusting ring.

[0017] Compared with the prior art, the present application has at least one of the following beneficial technical effects:

[0018] 1. In the utility model, the drill rod is flushed by a water spray head and discharged through an external discharge groove, ensuring that drill cuttings will not accumulate in the borehole cavity, thereby avoiding the negative impact of drill cuttings on the borehole inner diameter, precision and processing quality. Through this efficient water circulation system, the drill cuttings management in the deep hole processing process is significantly optimized, ensuring high precision and high quality of processing.

[0019] 2. In the present invention, the drilling rig is fixed by fixing the steel balls, which significantly shortens the installation time of the drilling rig and reduces the time and manpower required for installation. It not only improves the efficiency and stability of the installation process, but also facilitates daily maintenance and care, reduces the downtime of the equipment, and extends the service life of the equipment, thereby reducing the overall maintenance cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a three-dimensional diagram of a high-precision deep hole processing drill bit proposed by the utility model;

[0021] Figure 2 This is a half-section diagram of the outer cavity tube of a high-precision deep hole processing drill bit proposed by the utility model;

[0022] Figure 3 This is a cross-sectional view of the adapter water ring of a high-precision deep hole processing drill bit proposed by the utility model;

[0023] Figure 4 This is a half-section view of the second connecting ring of a high-precision deep hole processing drill bit proposed by the utility model;

[0024] Figure 5 This is a half-section diagram of the adjustment ring of a high-precision deep hole processing drill bit proposed by the utility model;

[0025] Figure 6 This is a half-section view of the mounting tube of a high-precision deep hole processing drill bit proposed by the utility model.

[0026] Legend:

[0027] 1. Outer cavity tube; 2. Adapter water ring; 3. Delivery pipe; 4. Sprinkler head; 5. Inlet pipe; 6. Sealing plate; 7. Outer row groove; 8. First connecting ring; 9. First chute ring; 10. First spring; 11. Drill rod; 12. Drainage ring; 13. Second connecting ring; 14. Second chute ring; 15. Second spring; 16. Adjustment ring; 17. Fitting ring; 18. Fixed steel ball; 19. Hexagonal socket; 20. Mounting tube. DETAILED DESCRIPTION

[0028] In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some but not all of the embodiments of the present application.

[0029] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed application, but merely represents the selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of protection of the present application.

[0030] It should be noted that: similar reference numerals and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0031] In the description of the present application, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship when the product of the application is usually placed, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the present application. In addition, if the terms "first", "second" and the like appear in the description of the present application, they are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0032] In addition, if the terms "horizontal", "vertical" and the like appear in the description of the present application, they do not mean that the component must be absolutely horizontal or vertical, but can be slightly inclined. For example, "horizontal" only means that its direction is relatively more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0033] In the description of the present application, it should also be noted that unless otherwise explicitly specified and limited, if the terms "arrangement", "installation", "connection", "connection" appear, they should be understood in a broad sense, for example, they can be fixedly connected, or detachably connected, or integrally connected; can be mechanically connected, or electrically connected; can be directly connected, or indirectly connected through an intermediate medium, or the internal communication of two elements. For those of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0034] Embodiment 1: A high-precision deep hole machining drill bit, comprising an outer cavity tube 1 as a chip removal effect, the outer wall of the outer cavity tube 1 is fixedly connected with an adapter water ring 2 at the front end, the outer wall of the adapter water ring 2 is fixedly connected with a delivery pipe 3 at the four sides of the front end, the output ends of the delivery pipe 3 are fixedly connected with the outer wall of the water jet head 4 respectively, the outer wall of the adapter water ring 2 is fixedly connected with an input pipe 5 at the rear end, the front end of the outer cavity tube 1 is fixedly connected with a sealing plate 6, the rear end of the outer wall of the outer cavity tube 1 is provided with an outer discharge groove 7 at the four sides, the inner side of the outer discharge groove 7 is fixedly connected with a drainage ring 12 in the inner wall of the outer cavity tube 1, by connecting an external water source, the input pipe 5 introduces high-pressure water flow into the system, the water flow first enters the adapter water ring 2, the adapter water ring 2 is designed with a flow dividing device inside to ensure that the water flow can be evenly distributed to each delivery pipe 3, the delivery pipe 3 further transmits the water flow to the water jet head 4, the water jet head 4 is equipped with high-efficiency multi-hole nozzles that can uniformly spray high-pressure water flow to the cutting area of the drill rod 11, which can strongly flush the drill cuttings generated at the drill rod 11, the drill cuttings are scattered and flow with the water flow under the action of high-pressure water flow, the design of the drainage ring 12 enables the drill cuttings to be effectively guided and discharged from the system through the outer discharge groove 7.

[0035] Embodiment 2: The drill rod 11 as a drilling effect, the rear end of the drill rod 11 is fixedly connected with a mounting pipe 20, the rear end of the mounting pipe 20 is fixedly connected with a second spring 15, the rear end of the second spring 15 is fixedly connected with the front end of an adjusting ring 16, the inner wall of the mounting pipe 20 is fixedly connected with an inner hexagonal pipe 19, the outer wall of the rear end of the mounting pipe 20 is fixedly connected with a fitting ring 17, the outer wall of the fixed steel ball 18 is tightly attached to the outer wall of the front end of the fitting ring 17 and the outer wall of the rear end of the adjusting ring 16 respectively, during the installation of the drill rod 11, first pull the adjusting ring 16 connected with the second spring 15 on the mounting pipe 20 to make it shrink, which will push the fixed steel ball 18 to move outward, so as to put the outer hexagonal joint of the drilling machine into the inner hexagonal pipe 19, then release the second spring 15, let the adjusting ring 16 press and make the fixed steel ball 18 tightly fit with the fitting ring 17, make the fixed steel ball 18 move inward, in this way, the drilling machine is stabilized by the fixed steel ball 18, so as to facilitate the fixed connection of the drilling machine and the drill rod 11.

[0036] As one of the optimized structure designs of embodiment 1, Figures 2-4As shown, the outer wall of the rear end of the drill rod 11 is fixedly connected to the first connecting ring 8, and the outer wall of the first connecting ring 8 is slidably connected to the rear end of the inner wall of the outer cavity tube 1, and the front end of the first connecting ring 8 is rotatably connected to the first slide ring 9. The front end of the inner wall of the outer cavity tube 1 is fixedly connected to the second connecting ring 13, and the rear end of the second connecting ring 13 is rotatably connected to the second slide ring 14. The outer wall of the drill rod 11 is slidably connected to the inner wall of the second slide ring 14, and the four sides of the inner wall of the rear end of the second slide ring 14 are fixedly connected to the first spring 10. The rear end of the first spring 10 is respectively fixedly connected to the four sides of the inner wall of the front end of the first slide ring 9. When the drill rod 11 is drilled again, the first connecting ring 8 moves along the outer cavity tube 1, and the first slide ring 9 at the first connecting ring 8 squeezes the first spring 10, and the second slide ring 14 facilitates the drill rod 11 to generate resistance to the first spring 10 when it is displaced. After the drilling of the drill rod 11 is completed, the first spring 10 allows the first slide ring 9 to drive the first connecting ring 8 to drive the drill rod 11 to reset through the elastic force of the drill rod 11.

[0037] Working principle: When installing the drill rod 11, the adjusting ring 16 connected to the second spring 15 at the installation tube 20 is dialed to shrink, thereby moving the fixed steel ball 18 outward, and the outer hexagonal joint at the drilling rig is sleeved in the inner hexagonal tube 19, and then the second spring 15 is loosened to allow the adjusting ring 16 to squeeze the fixed steel ball 18 set in the fitting ring 17, allowing the fixed steel ball 18 to move inward, and the drilling rig is fixed by the fixed steel ball 18, thereby facilitating the fixation of the drilling rig and the drill rod 11, and through the external water source, the input pipe 5 injects water into the adapter water ring 2, and then the delivery pipe 3 injects water into the sprinkler head 4 to flush the drill cuttings generated at the drill rod 11, and the drill cuttings flow with the water flow and are discharged by the drainage ring 12 through the outer discharge groove 7, thereby avoiding the impact of the drill cuttings during drilling.

[0038] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A high-precision deep hole processing drill bit, characterized in that: include: An outer cavity tube (1) serving as a chip removal device, wherein the front end of the outer wall of the outer cavity tube (1) is fixedly connected to a transfer water ring (2), the outer wall of the transfer water ring (2) is connected to a water spray head (4) via a water spray group, and the front end of the outer cavity tube (1) is fixedly connected to a sealing plate (6); A drill rod (11) is used for drilling holes. The rear end of the drill rod (11) is fixedly connected to a mounting tube (20). The outer wall of the mounting tube (20) is connected to an adjusting ring (16) via an elastic group. The inner wall of the mounting tube (20) is fixedly connected to an inner hexagonal tube (19). The outer wall of the mounting tube (20) is connected to a fixing steel ball (18) via a fixing group.

2. A high-precision deep hole drilling drill according to claim 1, characterized in that: The water spray group comprises a delivery pipe (3) fixedly connected to four sides of the front end outer wall of the adapter water ring (2); the output ends of the delivery pipe (3) are respectively fixedly connected to the outer wall of the water spray head (4); and the rear end of the outer wall of the adapter water ring (2) is fixedly connected to an input pipe (5).

3. The high-precision deep hole drilling drill according to claim 1, characterized in that: The outer wall of the outer cavity tube (1) is provided with outer row grooves (7) on all four sides of the rear end thereof, and the inner wall of the outer cavity tube (1) is fixedly connected with a drainage ring (12) on the inner side of the outer row grooves (7).

4. The high-precision deep hole drilling drill according to claim 1, characterized in that: The outer wall of the rear end of the drill rod (11) is fixedly connected to a first connecting ring (8), the outer wall of the first connecting ring (8) is slidably connected to the rear end of the inner wall of the outer cavity tube (1), and the front end of the first connecting ring (8) is rotatably connected to a first sliding groove ring (9).

5. The high-precision deep hole drilling drill according to claim 1, characterized in that: The front end of the inner wall of the outer cavity tube (1) is fixedly connected to the second connecting ring (13), the rear end of the second connecting ring (13) is rotatably connected to the second slide ring (14), the outer wall of the drill rod (11) is slidably connected to the inner wall of the second slide ring (14), the four sides of the inner wall of the rear end of the second slide ring (14) are fixedly connected to the first spring (10), and the rear end of the first spring (10) is respectively fixedly connected to the four sides of the inner wall of the front end of the first slide ring (9).

6. The high-precision deep hole drilling drill according to claim 1, characterized in that: The elastic group comprises a second spring (15) fixedly connected to the rear end of the mounting tube (20), and the rear end of the second spring (15) is fixedly connected to the front end of the adjustment ring (16).

7. The high-precision deep hole drilling drill according to claim 1, characterized in that: The fixing group includes a fitting ring (17) fixedly connected to the rear end outer wall of the mounting tube (20), and the outer wall of the fixing steel ball (18) is respectively tightly attached to the front end outer wall of the fitting ring (17) and the rear end outer wall of the adjustment ring (16).

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