Wear-resistant diamond drill bit

Abstract

The utility model discloses a wear-resistant diamond drill bit, which belongs to the technical field of drill bits and comprises a diamond drill bit body, a drilling machine mounting rod and a fixing mechanism, the top of the diamond drill bit body is fixedly connected with a connecting rod, and the lower end of the drilling machine mounting rod is provided with a connecting groove matched with the connecting rod. A plurality of annularly-distributed positioning grooves are formed in the outer side wall of the connecting rod, the fixing mechanism comprises a sliding sleeve slidably connected to the surface of the drilling machine mounting rod in a sleeving mode and an abutting sleeve connected to the surface of the drilling machine mounting rod in a threaded sleeving mode, a plurality of grooves are formed in the inner circumference of the sliding sleeve, and guide blocks are fixedly connected to the interiors of the grooves; positioning blocks matched with the positioning grooves are connected to the surfaces of the guide blocks in a sliding mode, and the positioning blocks penetrate through the inner side walls of the connecting grooves in a sliding mode; and through the arrangement of the fixing mechanism, installation is convenient, meanwhile, the installation strength of the connecting rod is guaranteed, meanwhile, disassembly and replacement of the diamond drill bit are convenient, and practicability is enhanced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to drill bit technical field, concretely relates to a wear -resisting diamond drill bit. BACKGROUND

[0002] The diamond drill bit is used for the hole drilling, material processing and cutting fields of the diamond particle. In order to improve the service life of the diamond drill bit, effectively improve the wear resistance of the diamond drill bit, the existing diamond drill bit increases the titanium plating layer on the surface.

[0003] Such as the existing announcement number CN219993623U's China patent discloses a wear -resisting diamond drill bit, including diamond drill bit body and drilling machine installation rod, the bottom of the drilling machine installation rod is provided with the recess, the top inner wall of the recess is fixedly provided with the threaded rod, the top of the diamond drill bit body is fixedly provided with the connecting rod, the threaded rod is connected with the connecting rod, the drilling machine installation rod is fixedly provided with four fixed plates, corresponding two The fixed plate is fixedly provided with a vertical plate, the vertical plate is slidably provided with a sliding rod, the sliding rod is fixedly provided with an adjusting plate, the side away from the sliding rod of the adjusting plate is fixedly provided with two clamping rods, the clamping rod is slidably provided with the drilling machine installation rod, the clamping rod is engaged with the connecting rod, the adjusting plate is fixedly provided with a spring, and the end away from the adjusting plate of the spring is fixedly provided with the vertical plate.

[0004] For the related technology in the above, the inventor finds that at least the following problems exist in the technology: in the above-mentioned technology, when the connecting rod is fixed for the second time, the spring is used to push the clamping rod, the spring does not have stability, and the clamping rod is easily stretched and deformed when it is shaken, so that the stability of the clamping rod is poor, and the clamping rod is easily separated from the connecting rod, thereby reducing the installation strength of the connecting rod and the practicability is not enough. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a wear -resisting diamond drill bit to solve the problems in the above-mentioned background art.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a wear -resisting diamond drill bit, including diamond drill bit body, drilling machine installation rod and fixed mechanism, the top of the diamond drill bit body is fixedly connected with the connecting rod, the lower end of the drilling machine installation rod is provided with the connecting groove that is adapted to the connecting rod, a plurality of annularly distributed positioning grooves are formed in the outer side wall of the connecting rod;

[0007] The fixed mechanism comprises a sliding sleeve sleeved on the surface of the drilling machine mounting rod and a pressing sleeve threaded on the surface of the drilling machine mounting rod, a plurality of grooves are formed on the inner circumference of the sliding sleeve, the inside of the grooves is fixedly connected with guide blocks, the surface of the guide blocks is slidably connected with positioning blocks matched with the positioning grooves, and the positioning blocks slide through the inside wall of the connecting groove.

[0008] As a preferred embodiment, the surface of the diamond drill bit body is provided with a titanium plating layer.

[0009] As a preferred embodiment, the inner wall of the connecting groove is fixedly connected with a threaded rod, and the connecting rod is screwed with the threaded rod.

[0010] As a preferred embodiment, the inside of the positioning block is formed with an inclined guide hole, and the guide block slides in the guide hole.

[0011] As a preferred embodiment, the outer circumference of the drilling machine mounting rod is formed with a limiting groove, and the inner circumference of the sliding sleeve is provided with a limiting block sliding in the limiting groove.

[0012] As a preferred embodiment, the outer circumference of the pressing sleeve is provided with a tooth groove.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] The wear-resistant diamond drill bit is provided with the fixed mechanism, when the connecting rod completely enters the connecting groove, the pressing sleeve is rotated, the pressing sleeve slides downward along the drilling machine mounting rod, the sliding sleeve is pushed downward by the pressing sleeve, the guide block slides downward in the process that the sliding sleeve slides downward, the positioning block is inserted into the positioning groove under the influence of the guide hole because the guide block is in the guide hole, the connecting rod is fixed again, the stability of the connecting rod is improved, the spring is not used any more, the installation strength of the connecting rod is ensured while the installation is facilitated, when the wear-resistant diamond drill bit is disassembled, the pressing sleeve is rotated in reverse, the pressing sleeve slides upward along the drilling machine mounting rod, the sliding sleeve slides upward, the positioning block is pulled out of the positioning groove, the connecting rod is rotated and separated from the drilling machine mounting rod, the wear-resistant diamond drill bit is conveniently disassembled and replaced, and the practicability is enhanced.

[0015] The wear-resistant diamond drill bit is provided with the tooth groove, and the pressing sleeve is conveniently rotated. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole structure schematic view of the utility model;

[0017] Figure 2 It is a cross section structure schematic view of the utility model;

[0018] Figure 3 The utility model discloses Figure 2 The structure amplification diagram of A place in the middle.

[0019] In the drawing: 1, diamond drill bit body;11, connecting rod;12, positioning groove;2, drilling machine mounting rod;21, connecting groove;22, threaded rod;23, limiting groove;3, fixed mechanism;31, sliding sleeve;32, abutting sleeve;33, recess;34, guide block;35, positioning block;36, guide hole;37, limiting block;38, tooth slot. DETAILED DESCRIPTION

[0020] The utility model will be further described below in combination with examples.

[0021] The following examples are used to illustrate the utility model, but cannot be used to limit the protection scope of the utility model. The conditions in the examples can be further adjusted according to specific conditions, and simple improvement of the method of the utility model under the concept of the utility model belongs to the range of the utility model required to be protected.

[0022] Please refer to Figures 1-3 The utility model provides a kind of diamond drill bit of wear resistance, including diamond drill bit body 1, drilling machine mounting rod 2 and fixed mechanism 3, diamond drill bit body 1 surface is provided with titanium plating layer, by the setting of titanium plating layer, the wear resistance of diamond drill bit can be improved, the service life of diamond drill bit is extended.

[0023] Refer to Figure 2 The top of diamond drill bit body 1 is fixedly connected with connecting rod 11, the lower end of drilling machine mounting rod 2 is provided with connecting groove 21 matched with connecting rod 11, the inner wall of connecting groove 21 is fixedly connected with threaded rod 22, connecting rod 11 is screw-threaded with threaded rod 22, by the setting of connecting rod 11, connecting groove 21 and threaded rod 22, when installing diamond drill bit, connecting rod 11 can be inserted into connecting groove 21 and is rotated, so that threaded rod 22 gradually rotates into connecting rod 11, and connecting rod 11 is initially connected with drilling machine mounting rod 2.

[0024] Refer to Figures 1-3The outer side wall of the connecting rod 11 is provided with a plurality of annularly distributed positioning grooves 12, the fixing mechanism 3 comprises a sliding sleeve 31 slidably sleeved on the surface of the drilling machine mounting rod 2 and a abutting sleeve 32 threadedly sleeved on the surface of the drilling machine mounting rod 2, a plurality of grooves 33 are formed in the inner circumference of the sliding sleeve 31, the inner part of the groove 33 is fixedly connected with a guide block 34, the surface of the guide block 34 is slidably connected with a positioning block 35 matched with the positioning groove 12, the positioning block 35 is slidably penetrated into the inner side wall of the connecting groove 21, the inner part of the positioning block 35 is provided with an inclined guide hole 36, the guide block 34 is slidably arranged in the guide hole 36, through the arrangement of the fixing mechanism 3, when the connecting rod 11 is completely inserted into the connecting groove 21, the abutting sleeve 32 is rotated to make the abutting sleeve 32 slide downward along the drilling machine mounting rod 2, the sliding sleeve 31 is pushed to slide downward by the abutting sleeve 32, in the process of sliding downward of the sliding sleeve 31, the guide block 34 also slides downward, and since the guide block 34 is arranged in the guide hole 36, at this time, the positioning block 35 is inserted into the positioning groove 12 under the influence of the guide hole 36, the connecting rod 11 is fixed again to improve the stability of the connecting rod 11, since the spring is not used, the installation strength of the connecting rod 11 is ensured while the installation is facilitated, when disassembling, the abutting sleeve 32 is reversely rotated to make the abutting sleeve 32 slide upward along the drilling machine mounting rod 2, then the sliding sleeve 31 is slid upward to drive the positioning block 35 to be pulled out of the positioning groove 12, then the connecting rod 11 is rotated to be separated from the drilling machine mounting rod 2, and the diamond drill bit is also conveniently disassembled and replaced.

[0025] The outer circumference of the drilling machine mounting rod 2 is provided with a limiting groove 23, the inner circumference of the sliding sleeve 31 is provided with a limiting block 37 slidably arranged in the limiting groove 23, through the cooperation of the limiting groove 23 and the limiting block 37, the sliding sleeve 31 can be limited to improve the stability of the sliding sleeve 31.

[0026] The outer circumference of the abutting sleeve 32 is provided with a gear slot 38, through the arrangement of the gear slot 38, the abutting sleeve 32 is conveniently rotated.

[0027] The working principle and use process of the utility model are as follows: firstly, when installing the diamond drill bit, the connecting rod 11 is inserted into the connecting groove 21 to rotate, the threaded rod 22 is gradually screwed into the connecting rod 11, the connecting rod 11 and the drilling machine mounting rod 2 are preliminarily connected, when the connecting rod 11 completely enters the connecting groove 21, the abutting sleeve 32 is rotated to slide downward along the drilling machine mounting rod 2, the sliding sleeve 31 is pushed downward by the abutting sleeve 32, in the process of sliding downward of the sliding sleeve 31, the guide block 34 also slides downward, and because the guide block 34 is in the guide hole 36, the positioning block 35 is inserted into the positioning groove 12 under the influence of the guide hole 36, the connecting rod 11 is fixed for the second time, the stability of the connecting rod 11 is improved, because the spring is not used, the installation strength of the connecting rod 11 is ensured while the installation is convenient, when disassembling, the abutting sleeve 32 is reversely rotated to slide upward along the drilling machine mounting rod 2, then the sliding sleeve 31 is slid upward, the positioning block 35 can be pulled out from the positioning groove 12, then the connecting rod 11 can be separated from the drilling machine mounting rod 2 by rotating the connecting rod 11, the diamond drill bit is also conveniently disassembled and replaced.

[0028] Although the embodiments of the utility model have been shown and described, it is understood by those skilled 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 utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A wear resistant diamond bit comprising a diamond bit body (1), a drill rig mounting shank (2) and a securing mechanism (3), characterised in that: The top of the diamond drill bit body (1) is fixedly connected with a connecting rod (11), the lower end of the drilling machine mounting rod (2) is provided with a connecting groove (21) matched with the connecting rod (11), and the outer side wall of the connecting rod (11) is provided with a plurality of annularly distributed positioning grooves (12). The fixing mechanism (3) comprises a sliding sleeve (31) slidably sleeved on the surface of the drilling machine mounting rod (2) and a abutting sleeve (32) threadedly sleeved on the surface of the drilling machine mounting rod (2), a plurality of grooves (33) are formed in the inner circumference of the sliding sleeve (31), the inner part of the groove (33) is fixedly connected with a guide block (34), the surface of the guide block (34) is slidably connected with a positioning block (35) matched with the positioning groove (12), and the positioning block (35) is slidably penetrated into the inner side wall of the connecting groove (21).

2. A wear resistant diamond bit according to claim 1, wherein: The surface of the diamond drill bit body (1) is provided with a titanium plating layer.

3. The wear resistant diamond bit of claim 1, wherein: The inner wall of the connecting groove (21) is fixedly connected with a threaded rod (22), and the connecting rod (11) is threadedly connected with the threaded rod (22).

4. The wear resistant diamond bit of claim 1, wherein: The inner part of the positioning block (35) is provided with an inclined guide hole (36), and the guide block (34) is slidably arranged in the guide hole (36).

5. The wear resistant diamond bit of claim 1, wherein: The outer circumference of the drilling machine mounting rod (2) is provided with a limiting groove (23), and the inner circumference of the sliding sleeve (31) is provided with a limiting block (37) slidably arranged in the limiting groove (23).

6. The wear resistant diamond bit of claim 1, wherein: The outer circumference of the abutting sleeve (32) is provided with a gear groove (38).

Images