Multi-point supporting long double-diameter drill body machining tool

Abstract

The utility model discloses a multi-point supporting long double-diameter drill body machining tool which comprises a base, the top of the base is parallel to a first plane, two lower supports are symmetrically arranged at the top of the base, the side walls, close to each other, of the two lower supports form first inclined planes, pressing block assemblies are arranged at the tops of the two lower supports, and each pressing block assembly comprises a first pressing block and a second pressing block. The side walls, close to each other, of the two first pressing blocks and the side walls, close to each other, of the two second pressing blocks form second inclined planes, a clamping space is jointly formed between the first inclined planes and the second inclined planes, a drill body can be clamped, and therefore the first inclined planes and the second inclined planes can abut against the outer wall of the drill body, the first inclined planes support the drill body, and the drill body can be clamped. The drill body is tightly pressed by the second inclined surfaces, and the second inclined surfaces of the first pressing block and the second pressing block can form multi-point contact with the drill body, so that the drill body can be stably clamped, the condition of cutter vibration during machining is avoided, the machining difficulty is reduced, the machining efficiency is improved, and the cost is saved.

Description

Technical Field

[0001] The present invention relates to the technical field of mechanical processing tooling, and in particular to a multi-point support long-diameter drill body processing tooling. Background Art

[0002] The crown drill is an efficient, durable and precise drill bit. The crown drill has gone through a long process of experimentation, development and optimization from scratch. The performance of the crown drill is very good and the processing efficiency is high. The crown drill bits are widely used in manufacturing, construction, processing and other fields. They are often used in processing high-hardness materials, integrated circuits, semiconductors, aerospace components and other high-precision processing fields. They have the advantages of high efficiency, precision and durability. At the same time, with the continuous development of science and technology and technology, the crown drill bits are also constantly optimized and upgraded to adapt to the changing market demand. The service life of the crown drill is several times that of the ordinary U drill, and the use efficiency is also several times that of the U drill. This is why the crown drill is more and more widely used.

[0003] However, since the crown drill is too long and too deep, the clamping is unstable during the processing, which will cause the tool vibration problem and reduce the processing efficiency. Therefore, we propose a multi-point support long-diameter drill body processing tooling. Summary of the invention

[0004] In view of the above-mentioned defects or deficiencies in the prior art, it is desired to provide a multi-point support long-diameter drill body processing tooling.

[0005] In a first aspect, the present application provides a multi-point support long-diameter drill body processing tool, comprising:

[0006] A base, wherein the top of the base is parallel to the first plane;

[0007] Two lower supports, the two lower supports are symmetrically arranged on the top of the base, the side walls of the two lower supports close to each other form a first inclined surface, a first preset angle is formed between the first inclined surface and the first plane, and the two first inclined surfaces cooperate to support the drill body;

[0008] Two groups of pressing block assemblies, the two pressing block assemblies are respectively arranged on the top of the two lower supports and are symmetrically arranged, the pressing block assemblies include a first pressing block and a second pressing block, the side walls of the two first pressing blocks close to each other, and the side walls of the two second pressing blocks close to each other both form a second inclined surface, a second preset angle is formed between the second inclined surface and the first plane, the second inclined surface is used to press the drill body, and a clamping space is formed between the first inclined surfaces and the second inclined surfaces for clamping the drill body.

[0009] According to the technical solution provided in the embodiment of the present application, two groups of mounting parts are arranged along the first direction on the top of the base, and the mounting parts include a plurality of first threaded holes evenly arranged along the second direction, the second direction is perpendicular to the first direction, and the first direction and the second direction are both parallel to the first plane.

[0010] According to the technical solution provided in the embodiment of the present application, two first mounting holes are penetrated through the lower support corresponding to the two groups of mounting parts, the first mounting holes are elongated holes, and the first bolt penetrates the first mounting holes and is screwed into the first threaded hole.

[0011] According to the technical solution provided in the embodiment of the present application, a countersunk hole is provided at the top of the first mounting hole for accommodating the end of the first bolt.

[0012] According to the technical solution provided in the embodiment of the present application, the top of the lower support is respectively provided with a first groove and a second groove corresponding to the first pressing block and the second pressing block, the first groove passes through the first inclined surface and is connected to the clamping space, the lower support has a first side wall, an end of the second groove close to the first inclined surface passes through the first inclined surface and is connected to the clamping space, and an end of the second groove close to the first side wall passes through the first side wall.

[0013] According to the technical solution provided in the embodiment of the present application, two second threaded holes are opened on the inner wall of the bottom of the first groove along the first direction, and a third threaded hole is opened on the inner wall of the bottom of the second groove.

[0014] According to the technical solution provided in the embodiment of the present application, two second mounting holes are formed through the first pressing block corresponding to the two second threaded holes, and the second bolt passes through the second mounting hole and is screwed into the second threaded hole, and the second mounting hole is a long hole.

[0015] According to the technical solution provided in the embodiment of the present application, a third mounting hole is formed through the second pressing block corresponding to the third threaded hole, a third bolt passes through the third mounting hole and is screwed into the third threaded hole, and the third mounting hole is an elongated hole.

[0016] To summarize, the present technical solution specifically discloses a multi-point support long-diameter drill body processing tooling, comprising a base, the top of the base is parallel to the first plane, and two lower supports are symmetrically arranged on the top of the base, the side walls of the two lower supports close to each other both form a first inclined surface, a first preset angle is formed between the first inclined surface and the first plane, the first inclined surface can support the drill body, and the tops of the two lower supports are each provided with a pressing block assembly, the pressing block assembly comprises a first pressing block and a second pressing block, the side walls of the two first pressing blocks close to each other and the side walls of the two second pressing blocks close to each other both form a second inclined surface, a second preset angle is formed between the second inclined surface and the first plane, a clamping space is jointly formed between the first inclined surfaces and the second inclined surfaces, which can clamp the drill body, thereby, the first inclined surface and the second inclined surface can both abut against the outer wall of the drill body, and the first pressing block and the second pressing block can form multi-point contact with the drill body, thereby, the drill body can be stably clamped, and the vibration of the tool can be avoided during processing, which reduces the processing difficulty, improves the processing efficiency, and saves costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Other features, objects and advantages of the present application will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:

[0018] Figure 1 This is a schematic diagram of the multi-point support long-diameter drill body processing tooling clamping the drill body.

[0019] Figure 2 This is a schematic diagram of the multi-point support long-diameter drill body processing tooling structure.

[0020] Figure 3 It is a top view of the multi-point support long-diameter drill body processing tooling.

[0021] Figure 4 This is the main view of the multi-point support long-diameter drill body processing tooling.

[0022] Figure 5 for Figure 4 Enlarged view of point A in the middle.

[0023] Figure 6 The front view of the drill body clamped by the multi-point support long-diameter drill body processing tooling.

[0024] Figure 7 for Figure 6 Enlarged view of point B in the middle.

[0025] Numbers in the figure: 1. base; 2. lower support; 3. first inclined surface; 4. drill body; 5. first pressure block; 6. second pressure block; 7. second inclined surface; 8. first threaded hole; 9. first mounting hole; 10. first bolt; 11. countersunk hole; 12. first groove; 13. second groove; 14. second threaded hole; 15. third threaded hole; 16. second mounting hole; 17. second bolt; 18. third mounting hole; 19. third bolt; 20. third inclined surface. DETAILED DESCRIPTION

[0026] The present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the relevant invention, rather than to limit the invention. It is also necessary to explain that, for ease of description, only the parts related to the invention are shown in the accompanying drawings.

[0027] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0028] Embodiment 1

[0029] Please refer to Figures 1 to 7 As shown, the multi-point support long diameter drill body processing tooling includes:

[0030] The base 1 is mounted on the machine tool, the top of the base 1 is parallel to the first plane, two groups of mounting parts are arranged on the top of the base 1 along the first direction, and the mounting parts include a plurality of first threaded holes 8 evenly arranged along the second direction; the first direction is Figure 3 The middle vertical direction, the second direction is Figure 3 In the horizontal direction, the first direction is perpendicular to the second direction;

[0031] Two lower supports 2, the two lower supports 2 are symmetrically arranged on the top of the base 1, and the side walls of the two lower supports 2 close to each other form a first inclined surface 3, and a first preset angle is formed between the first inclined surface 3 and the first plane;

[0032] Two first mounting holes 9 are provided on the two lower supports 2, and the first bolts 10 penetrate the first mounting holes 9 and are screwed into the first threaded holes 8, so that the lower supports 2 can be installed on the top of the base 1, and the installation position of the lower supports 2 can be adjusted through a plurality of first threaded holes 8;

[0033] The first mounting hole 9 is an elongated hole, and a countersunk hole 11 is provided at the top of the first mounting hole 9 for accommodating the end of the first bolt 10 .

[0034] The tops of the two lower supports 2 are each provided with a pressing block assembly, and the two groups of pressing block assemblies are symmetrically arranged. The pressing block assembly includes a first pressing block 5 and a second pressing block 6. The side walls of the two first pressing blocks 5 close to each other, and the side walls of the two second pressing blocks 6 close to each other both form a second inclined surface 7, and a second preset angle is formed between the second inclined surface 7 and the first plane;

[0035] A clamping space is formed between the first inclined surfaces 3 and the second inclined surfaces 7, which can clamp the drill body 4, wherein the first inclined surface 3 is used to support the drill body 4, and the second inclined surface 7 presses the outer wall of the drill body 4, so that the first inclined surface 3 and the second inclined surface 7 form an upper and lower clamping state for the drill body 4, and the first inclined surface 3 and the second inclined surface 7 form a line contact with the outer wall of the drill body 4, which can avoid scratches;

[0036] It should be noted that, on the side walls where the two first pressing blocks 5 and the two second pressing blocks 6 are close to each other, located above the second inclined surface 7, a third inclined surface 20 is formed, and the third inclined surface 20 and the first plane form a third preset angle, which is used to avoid when processing the drill body 4;

[0037] Furthermore, the first preset angle, the second preset angle and the third preset angle are specifically set according to the diameter of the drill body 4 to be processed.

[0038] A first groove 12 is formed at the top of the lower support 2 corresponding to the first pressing block 5, and the first groove 12 passes through the first inclined surface 3 and is connected to the clamping space;

[0039] The lower support 2 has a first side wall, and a second groove 13 is provided on the top of the lower support 2 corresponding to the second pressing block 6. An end of the second groove 13 close to the first inclined surface 3 passes through the first inclined surface 3 and is connected to the clamping space, and an end of the second groove 13 close to the first side wall passes through the first side wall.

[0040] Two second threaded holes 14 are formed on the inner wall of the bottom of the first groove 12 along the first direction, and two second mounting holes 16 are formed through the first pressing block 5 corresponding to the two second threaded holes 14, and the second bolts 17 penetrate the second mounting holes 16 and are screwed into the second threaded holes 14, so that the first pressing block 5 can be installed in the first groove 12, and the second mounting holes 16 are long holes, so that the installation position of the first pressing block 5 can be adjusted;

[0041] A third threaded hole 15 is provided on the inner wall at the bottom of the second groove 13, and a third mounting hole 18 is provided through the second pressure block 6 corresponding to the third threaded hole 15. A third bolt 19 passes through the third mounting hole 18 and is screwed into the third threaded hole 15, so that the second pressure block 6 can be installed in the second groove 13, and the third mounting hole 18 is a long hole, which can adjust the installation position of the second pressure block 6.

[0042] Working principle: according to the diameter of the drill body 4 to be processed, the two lower supports 2 are installed so that the two first inclined surfaces 3 are opposite to each other, and the first bolt 10 penetrates the first mounting hole 9 and is screwed into the first threaded hole 8, and then the drill body 4 to be processed is placed on the first inclined surface 3, and then the first pressing block 5 and the second pressing block 6 are placed in the first groove 12 and the second groove 13 respectively, and the first pressing block 5 and the second pressing block 6 are installed into the first groove 12 and the second groove 13 respectively through the second bolt 17 and the third bolt 19, and the second inclined surface 7 of the first pressing block 5 and the second pressing block 6 is pressed against the outer wall of the drill body 4, so that the first inclined surface 3 and the second inclined surface 7 can clamp the drill body 4, and the first inclined surface 3, the second inclined surface 7 and the outer wall of the drill body 4 form a line contact, and the first pressing block 5 and the second pressing block 6 form multi-point contact with the drill body 4, which can achieve stable clamping and avoid the vibration of the tool during the processing, reduce the processing difficulty, improve the processing efficiency, and reduce the loss of the drill body 4. At the same time, it can adapt to the processing of drill bodies 4 of various diameters and save costs.

[0043] The above description is only a preferred embodiment of the present application and an explanation of the technical principles used. Those skilled in the art should understand that the scope of the invention involved in the present application is not limited to the technical solution formed by a specific combination of the above technical features, but should also cover other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the inventive concept. For example, the above features are replaced with (but not limited to) technical features with similar functions disclosed in the present application.

Claims

1. Multi-point support long diameter drill body processing tooling, characterized in that: include: A base (1), wherein the top of the base (1) is parallel to the first plane; Two lower supports (2), the two lower supports (2) being symmetrically arranged on the top of the base (1), the side walls of the two lower supports (2) being close to each other forming a first inclined surface (3), a first preset angle being formed between the first inclined surface (3) and the first plane, and the two first inclined surfaces (3) being used to cooperate with each other to support the drill body (4); Two groups of pressing block assemblies, the two pressing block assemblies are respectively arranged on the top of the two lower supports (2) and are symmetrically arranged, the pressing block assemblies include a first pressing block (5) and a second pressing block (6), the side walls of the two first pressing blocks (5) close to each other, and the side walls of the two second pressing blocks (6) close to each other both form a second inclined surface (7), a second preset angle is formed between the second inclined surface (7) and the first plane, the second inclined surface is used to press the drill body (4), and a clamping space is formed between the first inclined surfaces (3) and the second inclined surfaces (7) for clamping the drill body (4).

2. The multi-point support long-diameter drill body processing tooling according to claim 1 is characterized in that: Two groups of mounting portions are arranged on the top of the base (1) along a first direction, the mounting portions comprising a plurality of first threaded holes (8) evenly arranged along a second direction, the second direction being perpendicular to the first direction, and the first direction and the second direction being parallel to the first plane.

3. The multi-point support long-diameter drill body processing tooling according to claim 2 is characterized in that: Two first mounting holes (9) are formed on the lower support (2) corresponding to the two groups of mounting parts. The first mounting holes (9) are elongated holes. First bolts (10) penetrate the first mounting holes (9) and are screwed into the first threaded holes (8).

4. The multi-point support long-diameter drill body processing tooling according to claim 3 is characterized in that: A countersunk hole (11) is provided at the top of the first mounting hole (9) for accommodating the end of the first bolt (10).

5. The multi-point support long-diameter drill body processing tooling according to claim 4, characterized in that: The top of the lower support (2) is provided with a first groove (12) and a second groove (13) corresponding to the first pressing block (5) and the second pressing block (6), respectively; the first groove (12) passes through the first inclined surface (3) and is connected to the clamping space; the lower support (2) has a first side wall; an end of the second groove (13) close to the first inclined surface (3) passes through the first inclined surface (3) and is connected to the clamping space; and an end of the second groove (13) close to the first side wall passes through the first side wall.

6. The multi-point support long-diameter drill body processing tooling according to claim 5, characterized in that: The bottom inner wall of the first groove (12) is provided with two second threaded holes (14) along the first direction, and the bottom inner wall of the second groove (13) is provided with a third threaded hole (15).

7. The multi-point support long-diameter drill body processing tooling according to claim 6, characterized in that: The first pressing block (5) has two second mounting holes (16) extending therethrough corresponding to the two second threaded holes (14); a second bolt (17) passes through the second mounting hole (16) and is screwed into the second threaded hole (14); the second mounting hole (16) is a long hole.

8. The multi-point support long-diameter drill body processing tooling according to claim 6, characterized in that: The second pressing block (6) is provided with a third mounting hole (18) corresponding to the third threaded hole (15), a third bolt (19) passes through the third mounting hole (18) and is screwed into the third threaded hole (15), and the third mounting hole (18) is a long hole.

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