High-hardness drilling PCD cutter

Abstract

The utility model discloses a high-hardness drilling PCD cutter which comprises a fixing assembly, a cutting assembly and a cutting assembly. The fixing assembly comprises a fixing column, a fixing rod, a fixing frame and a limiting plate. The fixing column is connected to the cutter body and the interior of the fixing pipe in a penetrating mode and penetrates through the fixing rod, the cross section of the fixing column and the cross section of the fixing rod are in a cross shape, the fixing frame is fixed to the outer surface of the fixing pipe, and the fixing column is connected to the interior of the fixing frame in a penetrating mode. By means of the arranged fixing assembly, when the cutter body needs to be fixed into the fixing pipe, the fixing column is pulled out of the fixing pipe firstly, the cutter body is inserted into the fixing pipe, then pushing force is applied to the limiting plate, and after the limiting plate is attached to the surface of the fixing frame, rotating force is applied to the guide column; the threaded rod is completely rotated into the fixing column and the fixing frame, then the fixing rod is inserted into the fixing column, according to the scheme, the tool is more stably fixed to the needed position, and the tool fixing device is simple in structure and easy to operate.

Description

TECHNICAL FIELD

[0001] The utility model relates to tool technical field especially is related to a kind of high hardness drilling PCD cutters. BACKGROUND

[0002] High hardness drilling PCD cutter is a drill bit using polycrystalline diamond as cutting edge material.This cutter has extremely high hardness and wear resistance,can efficiently drill various difficult-to-machine materials,and with its excellent performance and wide application field,has become one of the indispensable important tools in modern manufacturing industry.

[0003] The existing cutter adopts screw mode in actual use process, and the screw is prone to looseness in long-term use process, thereby affecting the stability of the cutter use, and further reducing the cutting accuracy of the cutter, so a high hardness drilling PCD cutter is needed to more stably fix the cutter at the required position, and the structure is simple and easy to operate. SUMMARY

[0004] The utility model aims at providing a kind of high hardness drilling PCD cutter to solve the problem that the existing cutter is used in actual use process, and the screw is prone to looseness in long-term use process, thereby affecting the stability of the cutter use, and further reducing the cutting accuracy of the cutter.

[0005] To solve the above technical problems, the utility model is realized by the following technical scheme:

[0006] The utility model is a kind of high hardness drilling PCD cutter, comprising:

[0007] Drilling assembly, the drilling assembly includes cutter body and the fixed tube of sleeve connection in the external of cutter body top end;

[0008] Fixed assembly, the fixed assembly includes fixed column, fixed rod, fixed frame and limit board;Fixed column is connected to the inside of cutter body and fixed tube, fixed column penetrates fixed rod, the cross section of fixed column and fixed rod is cross-shaped, fixed frame is fixed on the outer surface of fixed tube, fixed column is connected to the inside of fixed frame, limit board is fixed on the outer surface of fixed column.

[0009] Further, the fixed column is internally provided with connecting hole, and two groups of connecting holes are provided, and the fixed column and the fixed frame are internally screw-connected with threaded rod.

[0010] Further, the threaded rod is internally embedded with guide rod, and the outer surface of the threaded rod is fixed with guide column.

[0011] Further, the limiting assembly is further included, the limiting assembly includes connecting column, fixed plate and limiting hole, the connecting column is fixed on the outer surface of the fixed frame, the fixed plate is fixed on the outer surface of the connecting column, and the limiting hole is arranged in the inside of the fixed rod, and the limiting hole is provided with two groups.

[0012] Further, the fixed rod is internally provided with a guide groove, and the fixed rod and the fixed plate are internally clamped with a limiting column.

[0013] Further, the limiting column is externally fixed with a guide plate, the guide plate is externally fixed with a spring, and the spring is fixed in the inside of the fixed plate.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1. The utility model discloses a fixing assembly, when needing fixing the cutter body in the fixed pipe, first, the fixed column is extracted from the inside of the fixed pipe, the cutter body is inserted in the fixed pipe, then the limiting plate is pushed, the limiting plate is attached to the surface of the fixed frame, the guide column is rotated, the threaded rod is completely rotated into the inside of the fixed column and the fixed frame, then the fixed rod is inserted into the inside of the fixed column, the cutter is fixed in the required position more stably, and the structure is simple and easy to operate.

[0016] 2. Based on beneficial effect one, when needing inserting the fixed rod into the inside of the fixed column, first, the guide plate is pulled, the limiting column is extracted from the inside of the fixed plate, then the fixed rod is pushed, the fixed rod cannot be moved, the force applied to the guide plate is cancelled, under the elastic force of the spring, the limiting column is bounced back to the inside of the fixed rod and the fixed plate, the fixed rod can be stably adjusted to the required position. DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will briefly introduce the drawing needed to be used in the embodiment, and obviously, the drawing in the following description is only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to the drawings without paying creative labor.

[0018] Figure 1 It is the three-dimensional schematic view of the utility model;

[0019] Figure 2 It is the sectional view of the fixed pipe of the utility model;

[0020] Figure 3 It is the structure diagram of the fixing assembly of the utility model;

[0021] Figure 4The utility model discloses a structure diagram of limiting assembly.

[0022] In the drawings, the component list represented by each sign is as follows:

[0023] 11, cutter body; 12, fixed tube;

[0024] 21, fixed column; 22, fixed rod; 23, fixed frame; 24, limiting plate; 25, connecting hole; 26, threaded rod; 27, guide column; 28, guide rod;

[0025] 31, connecting column; 32, fixed plate; 33, limiting hole; 34, guide slot; 35, limiting column; 36, guide plate; 37, spring. DETAILED DESCRIPTION

[0026] In order to make the above-mentioned purpose, features and advantages of the utility model more obvious and easy to understand, the specific embodiment of the utility model will be described in detail below with the drawings.

[0027] In the following description, a lot of specific details are set forth in order to fully understand the utility model, but the utility model can also be implemented in other ways different from the description, and the person skilled in the art can make similar extension without violating the connotation of the utility model, therefore the utility model is not limited by the following disclosed specific embodiments.

[0028] In order to make the purpose, technical scheme and advantages of the utility model more clear, the embodiment of the utility model will be further described in detail below with the drawings.

[0029] Please refer to Figures 1-3 The embodiment is a high-hardness PCD drill cutter, which comprises:

[0030] Drilling assembly, the drilling assembly includes cutter body 11 and fixed tube 12 sleeved on the outside of the top end of cutter body 11.

[0031] Cutter body 11 is used for actual drilling operation, and fixed tube 12 is used for being fixed at the required position, so as to facilitate the cutter body 11 to be fixed at the required position.

[0032] Fixed assembly, the fixed assembly includes fixed column 21, fixed rod 22, fixed frame 23 and limiting plate 24; fixed column 21 is connected to the inside of cutter body 11 and fixed tube 12 in a penetrating manner, fixed column 21 penetrates fixed rod 22, the transverse section of fixed column 21 and fixed rod 22 is cross-shaped, fixed frame 23 is fixed on the outer surface of fixed tube 12, fixed column 21 is connected to the inside of fixed frame 23 in a penetrating manner, and limiting plate 24 is fixed on the outer surface of fixed column 21.

[0033] The fixed column 21 is used for fixing the cutter body 11 inside the fixed tube 12, the fixed rod 22 is used for stably fixing the fixed column 21 at the required position, the fixed frame 23 is used for the horizontal movement of the fixed column 21 inside it, and the limiting plate 24 is used for quickly limiting the fixed column 21 at the required position;

[0034] The fixed column 21 is internally provided with a connecting hole 25, and the connecting hole 25 is provided with two groups, and the fixed column 21 and the fixed frame 23 are internally screwed with a threaded rod 26;

[0035] The connecting hole 25 is used for supporting and installing the threaded rod 26, so as to fix the fixed column 21 at different positions, and the threaded rod 26 is used for fixing the fixed column 21 at the required position;

[0036] The threaded rod 26 is internally inlaid with a guide rod 28, and the outer surface of the threaded rod 26 is fixed with a guide column 27;

[0037] The guide rod 28 facilitates the understanding of the position of the threaded rod 26 inside the fixed frame 23, and the guide column 27 facilitates the exertion of rotating force on the threaded rod 26.

[0038] Working principle: when it is needed to fix the cutter body 11 inside the fixed tube 12, first, the fixed column 21 is pulled out from the inside of the fixed tube 12, the cutter body 11 is inserted into the fixed tube 12, then the limiting plate 24 is pushed to make the limiting plate 24 adhere to the surface of the fixed frame 23, and then the guide column 27 is rotated to make the threaded rod 26 completely rotate into the inside of the fixed column 21 and the fixed frame 23, and then the fixed rod 22 is inserted into the inside of the fixed column 21;

[0039] This step more stably fixes the cutter at the required position, and the structure is simple and easy to operate.

[0040] Please refer to Figure 1 、 Figure 2 and Figure 4 , this embodiment is based on the above-mentioned embodiment, further comprising a limiting assembly, the limiting assembly comprising a connecting column 31, a fixed plate 32 and a limiting hole 33; the connecting column 31 is fixed on the outer surface of the fixed frame 23, the fixed plate 32 is fixed on the outer surface of the connecting column 31, and the limiting hole 33 is provided in the inside of the fixed rod 22, and the limiting hole 33 is provided with two groups;

[0041] The connecting column 31 is used for supporting and installing the fixed frame 23, and then supporting and installing the fixed plate 32, the fixed plate 32 is used for the movement of the fixed rod 22 inside it, and the limiting hole 33 is used for connecting with the limiting column 35, so as to fix the fixed rod 22 at different positions;

[0042] The fixed rod 22 is internally provided with a guide groove 34, and the fixed rod 22 and the fixed plate 32 are internally clamped with a limiting column 35;

[0043] The guide groove 34 facilitates understanding the position of the fixed rod 22 inside the fixed column 21, and the limiting column 35 is used for fixing the fixed rod 22 at different positions.

[0044] The limiting column 35 is fixed with a guide plate 36 on the outer surface, and the guide plate 36 is fixed with a spring 37 on the outer surface, and the spring 37 is fixed inside the fixed plate 32.

[0045] The guide plate 36 is used for changing the position of the limiting column 35, and the spring 37 is used for quickly bouncing back the limiting column 35 to the inside of the corresponding limiting hole 33.

[0046] Working principle: when it is needed to insert the fixed rod 22 into the inside of the fixed column 21, first, the guide plate 36 is subjected to a pulling force to pull out the limiting column 35 from the inside of the fixed plate 32, then the fixed rod 22 is subjected to a pushing force so that the fixed rod 22 cannot be moved, and then the force applied to the guide plate 36 is cancelled, and under the elastic force of the spring 37, the limiting column 35 is bounced back to the inside of the fixed rod 22 and the fixed plate 32.

[0047] This step can stably adjust the fixed rod 22 to the required position.

[0048] In the description of the utility model, it should be explained that, unless there is an explicit provision and limitation, the terms "setting", "installing", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0049] Finally, it should be pointed out that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical scheme recorded in the foregoing embodiments, or make equivalent replacement to part of technical features. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A high-hardness PCD drilling tool, characterized in that, include: A drilling assembly, the drilling assembly including a tool body (11) and a fixing tube (12) sleeved on the outside of the top end of the tool body (11). The fixing assembly includes a fixing post (21), a fixing rod (22), a fixing frame (23), and a limiting plate (24). The fixing post (21) is connected through the inside of the tool body (11) and the fixing tube (12). The fixing post (21) passes through the fixing rod (22). The cross-sections of the fixing post (21) and the fixing rod (22) are cross-shaped. The fixing frame (23) is fixed on the outer surface of the fixing tube (12). The fixing post (21) is connected through the inside of the fixing frame (23). The limiting plate (24) is fixed on the outer surface of the fixing post (21).

2. The high-hardness PCD drilling tool according to claim 1, characterized in that, The fixed column (21) has a connecting hole (25) inside. There are two sets of connecting holes (25). The fixed column (21) and the fixed frame (23) are threadedly connected to a threaded rod (26).

3. A high-hardness PCD drilling tool according to claim 2, characterized in that, The threaded rod (26) has a guide rod (28) embedded inside, and a guide post (27) is fixed on the outer surface of the threaded rod (26).

4. A high-hardness PCD drilling tool according to claim 1, characterized in that, It also includes a limiting component, which includes a connecting post (31), a fixing plate (32) and a limiting hole (33); the connecting post (31) is fixed on the outer surface of the fixing frame (23), the fixing plate (32) is fixed on the outer surface of the connecting post (31), and the limiting hole (33) is opened inside the fixing rod (22). There are two sets of limiting holes (33).

5. A high-hardness PCD drilling tool according to claim 1, characterized in that, The fixing rod (22) has a guide groove (34) inside, and the fixing rod (22) and the fixing plate (32) are engaged with a limit post (35).

6. A high-hardness PCD drilling tool according to claim 5, characterized in that, The guide plate (36) is fixed on the outer surface of the limiting post (35), and a spring (37) is fixed on the outer surface of the guide plate (36). The spring (37) is fixed inside the fixing plate (32).

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