Assembly type diamond drill bit

Abstract

The utility model relates to the technical field of assembly type diamond drill bits, in particular to an assembly type diamond drill bit which comprises a drill bit body, an inserting groove is formed in the periphery of the drill bit body, telescopic grooves are formed in the drill bit body and located on the two sides of the inserting groove, springs are arranged in the telescopic grooves, the inner sides of the springs are connected with telescopic plates, and blades extend out of the telescopic plates from the bottom of the drill bit body. A plurality of groups of clamping grooves are formed in the two sides of the blades; the drill bit has the beneficial effects that when the cutter wings are mounted and dismounted, the telescopic plates extending out of the bottom of the drill bit body are firstly poked outwards, the telescopic plates extrude the springs to drive the clamping strips to retract into the telescopic grooves, then the cutter wings are inserted into the inserting grooves, then the telescopic plates are loosened and poked, the telescopic plates drive the clamping strips to rebound through the springs, and the cutter wings are mounted and dismounted. And the clamping strips on the inner sides of the telescopic plates are inserted into the clamping grooves formed in the two sides of the cutter wings, so that the cutter wings are clamped, and the cutter wings are fixed in the inserting grooves.

Description

Technical Field

[0001] The utility model relates to the technical field of assembled diamond drill bits, in particular to an assembled diamond drill bit. Background Art

[0002] The assembled diamond drill bit is a special drill bit, which is usually composed of multiple components, which can be diamond composite pieces, blades, drill body, etc. This design allows the drill bit to be quickly replaced or adjusted under different geological conditions to meet different drilling needs.

[0003] However, the blade installation and disassembly of the assembled diamond drill bit in the prior art is relatively complicated, resulting in slow adjustment speed of the assembled diamond drill bit under different geological conditions, which seriously affects work efficiency. Utility Model Content

[0004] The purpose of the utility model is to provide an assembled diamond drill bit to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a drill body, wherein slots are provided around the drill body, telescopic slots are provided on both sides of the slots, a spring is provided in the telescopic slot, the inner side of the spring is connected to a telescopic plate, and the telescopic plate extends from the bottom of the drill body; a blade wing, wherein a plurality of groups of clamping slots are provided on both sides of the blade wing.

[0006] Preferably, the bottom of the drill bit body is connected to a connector, the bottom of the connector is connected to a threaded column, and the drill bit body is connected to the drilling rig via the threaded column at the bottom of the connector.

[0007] Preferably, a plurality of groups of clamping strips are arranged on the inner side of the telescopic plate, and the clamping strips can extend from the telescopic slots and extend into the clamping slots on both sides of the blade wings in the slots to clamp the blade wings in the slots.

[0008] Preferably, the bottom of the telescopic plate extends out from the bottom of the drill body, and pushing the telescopic plate outward can drive the telescopic plate to squeeze the spring, so that the telescopic plate drives the holding strip to retract into the telescopic groove.

[0009] Preferably, the telescopic plates have a plug-in slot at the bottom of one group of telescopic plates, and an insert block at the bottom of the other group of telescopic plates. The insert block can be inserted into the plug-in slot to connect the two groups of telescopic plates.

[0010] Preferably, the middle of the plug block and the plug slot are both provided with screw holes. When the plug block is connected to the plug slot, the screw holes are positioned parallel. The bottom of the drill body and the bottom of the blade are both provided with screw holes. The telescopic plate can be fixed by inserting fixing screws into the screw holes.

[0011] Compared with the prior art, the beneficial effect of the utility model is that when installing and disassembling the blade wing, first push the telescopic plate extending from the bottom of the drill body outward, so that the telescopic plate squeezes the spring to drive the holding strip to shrink into the telescopic groove, and then insert the blade wing into the slot, and then release and push the telescopic plate, the telescopic plate drives the holding strip to rebound through the spring, so that the holding strip on the inner side of the telescopic plate is inserted into the holding grooves opened on both sides of the blade wing, the blade wing is clamped, and the blade wing is fixed in the slot. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0013] Figure 2 This is a schematic diagram of the top view structure of the utility model;

[0014] Figure 3 This is a schematic diagram of the cross-sectional structure of the utility model;

[0015] Figure 4 This is another schematic diagram of the cross-sectional structure of the utility model.

[0016] In the figure: drill body 1, connecting body 2, threaded column 3, slot 4, blade wing 5, telescopic slot 6, spring 7, telescopic plate 8, clamping strip 9, clamping slot 10, plug-in slot 11, plug block 12, fixing screw 13. DETAILED DESCRIPTION

[0017] In order to make the purpose and technical solution of the present invention clearly and completely described, and the advantages more clearly understood, the embodiments of the present invention are further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present invention, rather than all of the embodiments, and are only used to explain the embodiments of the present invention, and are not used to limit the embodiments of the present invention. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0018] Example 1: Please refer to Figures 1 to 4 The utility model provides a technical solution: a drill body 1, a slot 4 is opened around the drill body 1, and the drill body 1 is provided with telescopic slots 6 on both sides of the slot 4, a spring 7 is arranged in the telescopic slot 6, and the inner side of the spring 7 is connected to a telescopic plate 8, and the telescopic plate 8 extends from the bottom of the drill body 1; a blade wing 5, and a plurality of groups of holding slots 10 are opened on both sides of the blade wing 5; the telescopic plate 8 drives the holding strip 9 to rebound through the spring 7, so that the holding strip 9 on the inner side of the telescopic plate 8 is inserted into the holding slot 10 opened on both sides of the blade wing 5.

[0019] Embodiment 2:

[0020] On the basis of Example 1, an assembled diamond drill bit disclosed in Example 2 of the utility model has a structure that is basically the same as that in Example 1, except that the bottom of the drill body 1 is connected to the connector 2, the bottom of the connector 2 is connected to the threaded column 3, and the drill body 1 is connected to the drilling rig through the threaded column 3 at the bottom of the connector 2; a plurality of groups of clamping strips 9 are arranged on the inner side of the telescopic plate 8, and the clamping strips 9 can extend from the telescopic groove 6 and extend into the clamping grooves 10 on both sides of the blade 5 in the slot 4 to clamp the blade wing 5 in the slot 4; the bottom of the telescopic plate 8 extends from the bottom of the drill body 1, and pushing the telescopic plate 8 outward can drive the telescopic plate 8 to squeeze the spring 7, so that the telescopic plate 8 drives the clamping strip 9 to shrink into the telescopic groove 6; pushing the telescopic plate 8 extending from the bottom of the drill body 1 causes the telescopic plate 8 to squeeze the spring 7 and drive the clamping strip 9 to shrink into the telescopic groove 6.

[0021] Embodiment three:

[0022] An assembled diamond drill bit disclosed in the third embodiment of the present invention has a structure that is basically the same as that in the second embodiment, except that, the telescopic plates 8, a group of telescopic plates 8 have a plug-in slot 11 at the bottom, and the other group of telescopic plates 8 have a plug-in block 12 at the bottom, the plug-in block 12 can be plugged into the plug-in slot 11 to connect the two groups of telescopic plates 8; the plug-in block 12 and the middle of the plug-in slot 11 are both provided with screw holes, when the plug-in block 12 is connected to the plug-in slot 11, the positions of the screw holes are parallel, the bottom of the drill body 1 and the bottom of the blade 5 are both provided with screw holes, the telescopic plates 8 can be fixed by inserting the fixing screws 13 into the screw holes; the plug-in block 12 is parallel to the screw holes opened on the plug-in slot 11, and then the fixing screws 13 are inserted into the screw holes, the bottom ends of the fixing screws 13 are simultaneously plugged into the screw holes opened at the bottom of the drill body 1 and the blade wing 5, and the fixing screws 13 fix the telescopic movement of the telescopic plates 8.

[0023] The specific scheme is as follows: when installing and disassembling the blade wing 5, first push the telescopic plate 8 extending from the bottom of the drill body 1 outward, so that the telescopic plate 8 squeezes the spring 7 to drive the clamping strip 9 to shrink into the telescopic groove 6, and then the blade wing 5 is inserted into the slot 4, and then the telescopic plate 8 is released and pushed, and the telescopic plate 8 drives the clamping strip 9 to rebound through the spring 7, so that the clamping strip 9 on the inner side of the telescopic plate 8 is inserted into the clamping grooves 10 provided on both sides of the blade wing 5, the blade wing 5 is clamped, and the blade wing 5 is fixed in the slot 4. At the same time, a set of telescopic plates The plug block 12 at the bottom of the retractable plate 8 is inserted into the plug-in slot 11 set in another group of telescopic plates 8, so that the plug block 12 is parallel to the screw hole opened on the plug-in slot 11, and then the fixing screw 13 is inserted into the screw hole, and the bottom end of the fixing screw 13 is simultaneously inserted into the screw holes opened at the bottom of the drill body 1 and the blade wing 5. The fixing screw 13 fixes the telescopic plate 8 to prevent the drill body 1 from driving the blade wing 5 to drill, causing the spring 7 to drive the telescopic plate 8 to loosen, thereby causing the telescopic plate 8 to drive the holding strip 9 to disengage from the holding of the blade wing 5.

[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An assembled diamond drill bit, characterized in that: include: A drill body (1), wherein slots (4) are formed around the drill body (1), and telescopic slots (6) are formed on both sides of the slots (4). A spring (7) is provided in the telescopic slot (6), and the inner side of the spring (7) is connected to a telescopic plate (8), and the telescopic plate (8) extends from the bottom of the drill body (1); A blade wing (5), with multiple groups of holding grooves (10) arranged on both sides of the blade wing (5); A plurality of groups of holding strips (9) are arranged on the inner side of the telescopic plate (8), and the holding strips (9) can extend from the telescopic slot (6) and extend into the holding slots (10) on both sides of the blade wing (5) in the slot (4) to hold the blade wing (5) in the slot (4).

2. The assembled diamond drill bit according to claim 1, characterized in that: The bottom of the drill bit body (1) is connected to the connecting body (2), the bottom of the connecting body (2) is connected to the threaded column (3), and the drill bit body (1) is connected to the drilling machine via the threaded column (3) at the bottom of the connecting body (2).

3. The assembled diamond drill bit according to claim 2, characterized in that: The bottom of the telescopic plate (8) extends out from the bottom of the drill bit body (1). Pushing the telescopic plate (8) outward can drive the telescopic plate (8) to press the spring (7), so that the telescopic plate (8) drives the holding strip (9) to retract into the telescopic groove (6).

4. The assembled diamond drill bit according to claim 3, characterized in that: The telescopic plates (8) are provided with a plug-in slot (11) at the bottom of one group of telescopic plates (8), and a plug-in block (12) is provided at the bottom of the other group of telescopic plates (8). The plug-in block (12) can be plugged into the plug-in slot (11) to connect the two groups of telescopic plates (8).

5. The assembled diamond drill bit according to claim 4, characterized in that: The insert block (12) and the middle of the insert slot (11) are provided with screw holes at the same time. When the insert block (12) and the insert slot (11) are connected, the screw holes are parallel to each other. The bottom of the drill bit body (1) and the bottom of the blade (5) are provided with screw holes at the same time. The telescopic plate (8) can be fixed by inserting a fixing screw (13) into the screw hole.

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