Diamond hole drill with chip removal function

Abstract

The utility model provides a diamond hole drill with a chip removal function, and relates to the technical field of hole drill bits, the diamond hole drill comprises a fixed steel cylinder, external fixed threads and an inner hollow double-bit chip removal mechanism, and the whole hole drill is fixed at the lower end of a specified driving device through the external fixed threads on the upper side for fixed installation of the hole drill. The whole hole drill is provided with the double-layer drill bits, a waste chip temporary storage area with a relatively large space exists between the steel sleeve on the outer side and the inner wrapping drill bit on the inner side, in the high-speed rotation process of the whole hole drill, the whole double-layer drill bits can conduct drilling work downwards under the action of high-speed rotation, and generated waste chips are prevented from falling off due to the action of centrifugal force. The steel sleeve can be attached to the hollow part between the steel sleeve and the inner wrapping drill bit, the chip removal opening is formed in the outer side of the steel sleeve, a small amount of tiny chips can be centrifugally discharged, most of the chips can be attached to the inner wall, the situation that the chips make direct contact with the drill bit, and consequently the drill bit is abraded is prevented, and the replacement frequency of the drill bit is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to hole drill bit technical field especially, it is a diamond hole drill with chip removal function. BACKGROUND

[0002] With the development of modern industry, more and more high hardness, high strength material is widely used, such as stone, ceramic, concrete, hard alloy etc., when drilling these materials, the generated chip is hard, irregular in shape, easy to accumulate in the drilling area, ordinary drilling tool and chip removal mode are difficult to meet the demand, and the chip cannot be discharged in time and effectively, resulting in low drilling efficiency and serious drill wear, and even the drilling task cannot be completed, therefore, in order to adapt to the processing of these high difficulty materials, it is necessary to develop a diamond hole drill with high efficient chip removal function.

[0003] However, in industrial production, improving production efficiency and reducing cost is an important goal pursued by enterprises, and the accumulation of internal chips during drilling will cause frequent wear and replacement of the drill, increase production cost and downtime, and reduce production efficiency.

[0004] Therefore, we provide a diamond hole drill with chip removal function to solve the above problems. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a diamond hole drill with chip removal function to solve the problems in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme: a diamond hole drill with chip removal function, comprising fixed steel cylinder, external fixed thread and inner hollow double drill bit chip removal mechanism, the lower side of the fixed steel cylinder is provided with inner hollow double drill bit chip removal mechanism;

[0007] The inner hollow double drill bit chip removal mechanism comprises an external sleeve type drilling assembly, a top-covering fixed assembly and an embedded drilling assembly, the lower side of the fixed steel cylinder is fixedly connected with the external sleeve type drilling assembly, the inner side of the external sleeve type drilling assembly is welded with the top-covering fixed assembly, and the lower end of the top-covering fixed assembly is welded with the embedded drilling assembly.

[0008] Preferably, the external sleeve type drilling assembly comprises a steel sleeve, a chip removal port and an auxiliary drilling cutter, the lower side of the fixed steel cylinder is welded with the steel sleeve, the two sides of the steel sleeve are provided with the chip removal port, and the lower side of the steel sleeve is welded with the auxiliary drilling cutter.

[0009] Preferably, the top-covering fixed assembly comprises a fixed end cover and an inner drill bit connecting frame, the inner side top end of the steel sleeve is welded with the fixed end cover, and the lower side of the fixed end cover is welded with the inner drill bit connecting frame.

[0010] Preferably, the embedded drilling assembly comprises a drill bit support, an inner drill bit and a drilling needle, the lower end of the inner drill bit connecting frame is welded with the drill bit support, the lower end of the drill bit support is welded with the inner drill bit, and the surface of the inner drill bit is welded with the drilling needle.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] Through the setting of the inner hollow double drill bit chip removal mechanism, in use, the whole hole drill is fixed and installed at the lower end of the specified driving device through the external fixed thread on the upper side to fix and install the hole drill, and the whole hole drill is provided with double-layer drill bits, and there is a relatively large waste chip temporary storage area between the outer steel sleeve and the inner drill bit, in the process of high-speed rotation of the whole hole drill, the whole double-layer drill bit will drill downward under the action of high-speed rotation, and the generated waste chips will be attached to the hollow part between the steel sleeve and the inner drill bit due to the action of centrifugal force, and a chip removal opening is formed on the outer side of the steel sleeve, so that a small amount of small waste chips can be centrifugally discharged, and most of the waste chips will be attached to the inner wall, preventing the waste chips from directly contacting the drill bit to cause drill bit wear, and reducing the replacement frequency of the drill bit. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is an overall appearance structure schematic view of the utility model;

[0014] Figure 2 It is an overall appearance bottom structure schematic view of the utility model;

[0015] Figure 3 It is an overall appearance bottom and internal structure schematic view of the utility model;

[0016] Figure 4 It is an internal drilling assembly structure schematic view of the utility model;

[0017] Marked number in the drawing: 1, fixed steel cylinder; 2, external fixed thread; 3, inner hollow double drill bit chip removal mechanism; 31, external sleeve type drilling assembly; 311, steel sleeve; 312, chip removal opening; 313, auxiliary drilling cutter; 32, cover top type fixing assembly; 321, fixed end cover; 322, inner drill bit connecting frame; 33, embedded drilling assembly; 331, drill bit support; 332, inner drill bit; 333, drilling needle. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of the present application.

[0019] Please refer to Figures 1-4 The utility model provides a technical scheme: a diamond hole drill with a chip removal function, comprising a fixed steel cylinder 1, an external fixed thread 2 and an internal hollow double drill bit chip removal mechanism 3, the lower side of the fixed steel cylinder 1 is provided with the internal hollow double drill bit chip removal mechanism 3;

[0020] The internal hollow double drill bit chip removal mechanism 3 comprises an external sleeve type drilling assembly 31, a top covering type fixing assembly 32 and an internal embedded type drilling assembly 33, the lower side of the fixed steel cylinder 1 is fixedly connected with the external sleeve type drilling assembly 31, the inner side of the external sleeve type drilling assembly 31 is welded with the top covering type fixing assembly 32, and the lower end of the top covering type fixing assembly 32 is welded with the internal embedded type drilling assembly 33.

[0021] Further, the external sleeve type drilling assembly 31 comprises a steel sleeve 311, a chip removal opening 312 and an auxiliary drilling cutter 313, the lower side of the fixed steel cylinder 1 is welded with the steel sleeve 311, the two sides of the steel sleeve 311 are provided with the chip removal openings 312, and the lower side of the steel sleeve 311 is welded with the auxiliary drilling cutter 313.

[0022] Further, the top covering type fixing assembly 32 comprises a fixed end cover 321 and an internal drill bit connecting frame 322, the inner side of the steel sleeve 311 is welded with the fixed end cover 321, and the lower side of the fixed end cover 321 is welded with the internal drill bit connecting frame 322.

[0023] Further, the internal embedded type drilling assembly 33 comprises a drill bit support 331, an internal packaged drill bit 332 and a drilling needle 333, the lower end of the internal drill bit connecting frame 322 is welded with the drill bit support 331, the lower end of the drill bit support 331 is welded with the internal packaged drill bit 332, and the surface of the internal packaged drill bit 332 is welded with the drilling needle 333.

[0024] Although the embodiments of the present application have been shown and described, it can be understood by those of ordinary skill in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A diamond hole drill with a chip removal function, comprising a fixed steel cylinder (1), an external fixed thread (2) and an inner hollow double drill bit chip removal mechanism (3), characterized in that: The lower side of the fixed steel cylinder (1) is provided with an inner hollow double drill bit chip removal mechanism (3); The inner hollow double drill bit chip removal mechanism (3) comprises an outer sleeve type drilling assembly (31), a top-covering type fixing assembly (32) and an inner-embedded type drilling assembly (33), the lower side of the fixed steel cylinder (1) is fixedly connected with the outer sleeve type drilling assembly (31), the inner side of the outer sleeve type drilling assembly (31) is welded with the top-covering type fixing assembly (32), and the lower end of the top-covering type fixing assembly (32) is welded with the inner-embedded type drilling assembly (33).

2. The diamond hole drill with a chip removal function according to claim 1, characterized in that, The outer sleeve type drilling assembly (31) comprises a steel sleeve (311), a chip removal port (312) and an auxiliary drilling cutter (313), the lower side of the fixed steel cylinder (1) is welded with the steel sleeve (311), both sides of the steel sleeve (311) are provided with the chip removal port (312), and the lower side of the steel sleeve (311) is welded with the auxiliary drilling cutter (313).

3. The diamond bore drill having a chip evacuation function according to claim 2, wherein, The top-covering type fixing assembly (32) comprises a fixed end cover (321) and an inner drill bit connecting frame (322), the inner side of the steel sleeve (311) is welded with the fixed end cover (321), and the lower side of the fixed end cover (321) is welded with the inner drill bit connecting frame (322).

4. The diamond bore drill having a chip evacuation function according to claim 3, wherein, The inner-embedded type drilling assembly (33) comprises a drill bit support (331), an inner package drill bit (332) and a drilling needle (333), the lower end of the inner drill bit connecting frame (322) is welded with the drill bit support (331), the lower end of the drill bit support (331) is welded with the inner package drill bit (332), and the surface of the inner package drill bit (332) is welded with the drilling needle (333).

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