Novel diamond compact anchor rod drill bit

Abstract

The utility model discloses a novel diamond compact anchor rod drill bit, which belongs to the technical field of anchor rod drill bits and comprises a connector, four drill bit teeth and a fixing component, four annularly distributed connecting grooves are arranged on the outer circumference of the lower end of the connector, one side of each drill bit tooth is provided with a connecting block, and the other side of each drill bit tooth is provided with a fixing component. The connecting block is inserted into the connecting groove in a sliding mode, a fixing hole is formed in the connecting block, a groove is formed in the connecting head, the fixing assembly comprises a screw rotationally installed in the groove and a driving piece used for driving the screw to rotate, and a sliding block is in threaded connection with the surface of the screw; the bottom of the sliding block is fixedly connected with four annularly-distributed fixing rods, and the fixing rods penetrate through the fixing holes. And through the arrangement of the fixing assembly, when the drill bit teeth are installed, the four drill bit teeth can be fixed at the same time, when the multiple drill bit teeth are damaged, the multiple drill bit teeth can be rapidly detached for replacement, operation is convenient and fast, and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of anchor rod drill bit, concretely relates to a novel diamond compact anchor rod drill bit. BACKGROUND

[0002] The anchor rod drill bit is a drilling tool used for fixing the anchor rod in the coal mine, and the diamond compact anchor rod drill bit is a kind of anchor rod drill bit, and diamond compact is welded and fixed on the drilling part of the drill bit to improve the strength of the drilling part of the anchor rod drill bit.

[0003] The existing patent with announcement number CN221462246U discloses a novel diamond compact anchor rod drill bit, which comprises a connecting head, a groove is formed in the top surface of the connecting head, a fixing seat is arranged at the middle position of the upper surface of the bottom end of the groove, a limiting groove is formed in the outer surface of the fixing seat, a drill bit body is arranged above the connecting head, an insertion block is arranged on the bottom surface of the drill bit body, one end of the insertion block extends into the insertion groove formed in the upper surface of the bottom end of the groove, positioning screws are arranged in the two side surfaces of the connecting head and extend into the positioning holes formed in the drill bit body, and a limiting block is arranged on one side surface of the drill bit body.

[0004] For the above-mentioned related technology, the inventor finds that at least the following problems exist in the technology: in the above-mentioned technology, although a single drill bit can be replaced individually, each drill bit is fixed by an independent screw, and when installing, four screws need to be rotated respectively to fix the four drill bits respectively, and when multiple drill bits are damaged, the screws need to be loosened one by one for disassembly, which is troublesome and low in work efficiency. TECHNICAL SOLUTION

[0005] The utility model aims at providing a novel diamond compact anchor rod drill bit to solve the problems in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a novel diamond compact anchor rod drill bit, which comprises a connecting head, drill bit teeth and a fixing assembly, four annularly distributed connecting grooves are formed in the outer circumference of the lower end of the connecting head, the drill bit teeth are four, a connecting block is arranged on one side of the drill bit teeth, the connecting block is slidingly inserted into the connecting groove, a fixing hole is formed in the inside of the connecting block, a groove is formed in the inside of the connecting head, the fixing assembly comprises a screw rotatably installed in the groove and a driving member for driving the screw to rotate, a sliding block is threadedly connected to the surface of the screw, four annularly distributed fixing rods are fixedly connected to the bottom of the sliding block, and the fixing rods penetrate through the fixing holes.

[0007] As a preferred embodiment, a plurality of diamond compacts are embedded in one side of the drill bit teeth.

[0008] As a preferred implementation, the two sides of the drill bit tooth are provided with limiting blocks, and the inner side wall of the connecting groove is provided with a limiting groove in sliding fit with the limiting block.

[0009] As a preferred implementation, the driving member comprises a worm rotatably installed in the groove, one end of the worm is fixedly connected with a nut, and the upper end of the screw rod is fixedly connected with a worm wheel in mesh with the worm.

[0010] As a preferred implementation, one side of the connecting head is provided with a receiving groove, and the nut is embedded in the receiving groove.

[0011] As a preferred implementation, the inner side wall of the groove is provided with a guide groove, and the periphery of the sliding block is provided with a guide block in sliding fit with the guide groove.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] The novel diamond composite anchor rod drill bit, through the setting of the fixing assembly, when installing the drill bit teeth, only needs to insert the connecting blocks of the four drill bit teeth into the four connecting grooves at the lower end of the connecting head respectively, then rotates the screw rod through the driving member, makes the screw rod drive the sliding block to slide along the groove, makes the sliding block drive the four fixing rods to pass into the fixing holes of the four connecting blocks respectively, fixes the four drill bit teeth at the same time, when the drill bit teeth are damaged, only needs to rotate the screw rod reversely through the driving member, can pull out the four fixing rods from the fixing holes of the four connecting blocks at the same time, can then quickly dismount the drill bit teeth for replacement, convenient operation, improves work efficiency.

[0014] The novel diamond composite anchor rod drill bit, through the setting of the driving member, when operating, can rotate the nut by inserting a tool into the receiving groove, makes the nut drive the worm to rotate, makes the worm drive the worm wheel to rotate, rotates the screw rod through the worm wheel, simple operation and labor saving. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is the whole structure schematic diagram of the utility model;

[0016] Fig. 2 It is the structure schematic diagram of the drill bit tooth of the utility model;

[0017] Fig. 3 It is the section structure schematic diagram of the utility model.

[0018] In the figure: 1, connecting head; 11, connecting groove; 12, recess; 13, limiting groove; 14, containing groove; 15, guide groove; 2, drill bit tooth; 21, connecting block; 22, fixed hole; 23, diamond compact piece; 24, limiting block; 3, fixed assembly; 31, screw rod; 32, driving piece; 321, worm; 322, nut; 323, worm wheel; 33, sliding block; 34, fixed rod; 35, guide block. DETAILED DESCRIPTION

[0019] The utility model will be further described below in combination with examples.

[0020] 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 premise of the utility model all belong to the range required to be protected by the utility model.

[0021] Please refer to Figs. 1-3 The utility model provides a novel diamond compact piece anchor rod drill bit, including connecting head 1, drill bit tooth 2 and fixed assembly 3, the side embedding of drill bit tooth 2 is connected with multiple diamond compact pieces 23, four annular distribution's connecting grooves 11 are set up on the outer circumference of the lower end of connecting head 1, and drill bit tooth 2 has four, and the side of drill bit tooth 2 is provided with connecting block 21, and connecting block 21 is slidingly inserted in connecting groove 11, and the inside of connecting block 21 is provided with fixed hole 22, and the inside of connecting head 1 is provided with recess 12, and fixed assembly 3 includes screw rod 31 rotationally installed in recess 12 and driving piece 32 for driving screw rod 31 to rotate, and screw rod 31 is arranged along the axial direction of connecting head 1, and the surface of screw rod 31 is threadedly connected with sliding block 33, and the bottom of sliding block 33 is fixedly connected with four annular distribution's fixed rods 34, and fixed rod 34 penetrates fixed hole 22, through the setting of fixed assembly 3, when installing drill bit tooth 2, just four connecting blocks 21 of drill bit tooth 2 are inserted into four connecting grooves 11 of the lower end of connecting head 1 respectively, then through driving piece 32, screw rod 31 is rotated, makes screw rod 31 drive sliding block 33 along recess 12 and slides, makes sliding block 33 drive four fixed rods 34 and respectively penetrate into the fixed hole 22 of four connecting blocks 21, simultaneously, four drill bit teeth 2 are fixed, when multiple drill bit teeth 2 are damaged, just through driving piece 32, screw rod 31 is reversed, four fixed rods 34 can be pulled out from the fixed hole 22 of four connecting blocks 21 simultaneously, and then multiple drill bit teeth 2 can be quickly removed and replaced, convenient operation, improve work efficiency.

[0022] Specific, drive 32 includes a worm 321 rotatably installed in the groove 12, one end of the worm 321 is fixedly connected with the nut 322, the upper end of the screw 31 is fixedly connected with the worm gear 323 engaged with the worm 321, the side of the connecting head 1 is provided with a receiving groove 14, the nut 322 is embedded in the receiving groove 14, through the setting of the drive 32, in operation, tools can be inserted into the receiving groove 14 to rotate the nut 322, so that the nut 322 drives the worm 321 to rotate, the worm 321 drives the worm gear 323 to rotate, the screw 31 is driven to rotate by the worm gear 323, which is simple and labor-saving.

[0023] Wherein, the two sides of the drill bit teeth 2 are provided with limiting blocks 24, the inner side wall of the connecting groove 11 is provided with limiting grooves 13 slidably matched with the limiting blocks 24, through the cooperation of the limiting blocks 24 and the limiting grooves 13, the drill bit teeth 2 can be limited, and the stability of the drill bit teeth 2 is improved.

[0024] Wherein, the inner side wall of the groove 12 is provided with a guide groove 15, the four sides of the sliding block 33 are provided with guide blocks 35 slidably matched with the guide groove 15, through the cooperation of the guide groove 15 and the guide block 35, the sliding block 33 can be guided.

[0025] The working principle and use process of the utility model: first, through the setting of the fixed assembly 3, when installing the drill bit teeth 2, only the connecting blocks 21 of the four drill bit teeth 2 are inserted into the four connecting grooves 11 at the lower end of the connecting head 1 respectively, then tools can be inserted into the receiving groove 14 to rotate the nut 322, so that the nut 322 drives the worm 321 to rotate, the worm 321 drives the worm gear 323 to rotate, the screw 31 is driven to rotate by the worm gear 323, the sliding block 33 is driven to slide along the groove 12 by the screw 31, the four fixed rods 34 are driven to pass through the fixed holes 22 of the four connecting blocks 21 respectively by the sliding block 33, and the four drill bit teeth 2 are fixed, when the plurality of drill bit teeth 2 is damaged, only the screw 31 is reversely rotated by the drive 32, the four fixed rods 34 can be pulled out from the fixed holes 22 of the four connecting blocks 21 simultaneously, and then the plurality of drill bit teeth 2 can be quickly disassembled and replaced, which is convenient to operate and improves the working efficiency,

[0026] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these 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 novel diamond composite anchor drill bit, comprising a connector (1), drill teeth (2), and a fixing assembly (3), characterized in that: The connector (1) has four annularly distributed connecting grooves (11) on the outer circumference of its lower end. The drill bit (2) has four teeth. A connecting block (21) is provided on one side of the drill bit (2). The connecting block (21) is slidably inserted into the connecting groove (11). A fixing hole (22) is provided inside the connecting block (21). A groove (12) is provided inside the connector (1). The fixing component (3) includes a screw (31) rotatably installed in the groove (12) and a driving component (32) for driving the screw (31) to rotate. A slider (33) is threadedly connected to the surface of the screw (31). Four annularly distributed fixing rods (34) are fixedly connected to the bottom of the slider (33). The fixing rods (34) pass through the fixing hole (22). One side of the drill bit (2) is embedded in the groove. The drill bit (2) is connected to a plurality of diamond composite sheets (23). Limiting blocks (24) are provided on both sides of the drill bit (2). The inner wall of the connecting groove (11) is provided with a limiting groove (13) that slides with the limiting blocks (24). The driving component (32) includes a worm (321) that is rotatably installed in the groove (12). A nut (322) is fixedly connected to one end of the worm (321). A worm wheel (323) that meshes with the worm (321) is fixedly connected to the upper end of the screw (31). A receiving groove (14) is provided on one side of the connector (1). The nut (322) is embedded in the receiving groove (14). A guide groove (15) is provided on the inner wall of the groove (12). Guide blocks (35) that slide with the guide groove (15) are provided around the slider (33).

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