TW202229713A - Reaming bit structure of drilling machine capable of saving time for replacing a drill bit when drilling, and avoiding the collapse of the hole wall when the drill bit is replaced - Google Patents

Abstract

A reaming bit structure of a drilling machine at least includes a drill bit main body, a plurality of flank drill bits and a control panel. The top surface of the drill bit main body is concavely provided with a plurality of through grooves extending from the position adjacent to the center of the drill bit main body to the periphery of the drill bit main body. The plurality of flank drill bits are accommodated in the plurality of through grooves, and the top surfaces of the guide seats of the flank drill bits are provided with guide grooves. The control panel is arranged above the drill bit main body, and the bottom surface of the control panel is provided with a plurality of guide rails. The guide rails are correspondingly connected with the guide grooves. In the present invention, by rotating the control panel, the flank drill bit connected with the guide rail of the guide groove is driven to move by the guide rail and be pushed out of the drill bit body along the through groove, so that the flank drill bit can be used for reaming drilling and cutting. Therefore, in addition to saving time for replacing the drill bit when drilling, the present invention can also avoid the collapse of the hole wall when the drill bit is replaced.

Description

Reaming bit structure of drilling machine

The present invention relates to a drill bit of a drilling machine, in particular to a drill bit structure of a drilling machine that can perform reaming, drilling and cutting action without replacing the drill bit.

Drilling machine is a large-scale machine used for drilling shafts or tunnels. The drilling work of the drilling machine is usually a two-stage operation. After the first drilling, the extension When the drill bit is removed to replace the reaming bit, the hole wall of the drilled hole will collapse due to the soft soil, resulting in the failure of the drilling work. In addition, the action of replacing the drill bit between the second drilling and cutting is time-consuming and laborious, so it is a waste of time in engineering.

From the above, there are still quite a lot of problems in drilling drilling by the current drilling machine. Therefore, in view of the above problems, the inventor of this case has urgently thought about improving and innovating. After years of painstaking research, he finally successfully developed this drill The structure of the reaming drill bit of the excavator.

In order to solve the problems of the prior art, an object of the present invention is to provide a reaming drill bit structure for a drilling machine that can perform reaming drilling and cutting operations without replacing the drill bit.

In order to solve the problems of the prior art, another object of the present invention is to provide a reaming drill bit structure for a drilling machine that utilizes a control panel to adjust the side-wing drill bit passing through and retracting on the side edge of the drill bit.

In order to achieve the above-mentioned purpose, the reaming drill bit structure of the drilling machine provided by the present invention mainly includes a drill bit main body, a control panel and a plurality of flank drill bits. The other side of these grinders is provided with a plurality of through grooves extending from the position of the drill bit body adjacent to the center to the periphery.

The flank drill bits are respectively arranged in the through grooves, and the flank drill bits include a guide seat and a grinding drill bit, the surface of the guide seat facing the direction of the through groove and the surface of the guide seat facing the periphery of the drill bit body An accommodating groove is provided at the junction of the guide bases, and a guide groove is provided on the other surface of the guide bases opposite to the direction of passing through the grooves, and the grinding bits are respectively arranged in the accommodating grooves, and the grinding One side outer edge of the drill bit penetrates out of the accommodating grooves.

The control disc is located on the side of the drill body with the through grooves, and a surface of the control disc is provided with a plurality of guide rails which are respectively butted with the guide grooves, and the guide rails are located at the position adjacent to the center of the control disc to The arc curve extends to the periphery of the control panel.

Wherein, the through grooves are equidistantly concavely arranged on a surface of the main body of the drill bit.

The reaming drill bit structure of the drilling machine provided by the present invention mainly uses the grinding machine provided on the main body of the drill bit to perform the drilling and cutting action during the process that the main body of the drill bit is driven to drill, and when the reaming drill is required When cutting, it is not necessary to pull out the main body of the drill bit. It is only necessary to rotate the control disc, so that the guide base is pushed by the guide rail of the control disc, and pushed out to the periphery of the main body of the drill bit along the through groove, so that the guide base is pushed out of the guide base. The grinding drill bit is exposed on the outer edge of the main body of the drill bit, so that the grinding drill bit can perform reaming, drilling and cutting. Therefore, compared with the conventional drilling machine, which requires two-stage drilling operation, the present invention adopts the setting of the flank drill bit, so there is no need for The action of reaming, drilling and cutting can be performed by replacing the drill bit, thereby increasing the drilling efficiency and avoiding the collapse of the hole wall when the drill bit is replaced.

In order to facilitate the examiners to understand the technical features, content and advantages of the present invention and the effects that can be achieved, the present invention is hereby described in detail as follows in the form of embodiments with the accompanying drawings and accessories, and the drawings used therein , the purpose of which is only for illustration and auxiliary description, and may not necessarily be the real scale and precise configuration after the implementation of the present invention. Therefore, the ratio and configuration relationship of the attached drawings should not be interpreted or limited to the actual implementation of the present invention. Scope, to be described first.

In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", etc. refer to the orientation or position The relationship is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore It should not be construed as limiting the present invention or the like.

Please refer to FIGS. 1 to 5 , which are embodiments of the reaming bit structure of the drilling machine provided by the present invention. In this embodiment, the reaming bit structure of the drilling machine provided by the present invention mainly includes a drill bit main body 1 , a plurality of flanking drill bits 2, a control disc 3, a positioning seat 4, two clamping elements 5 and a connecting part 6, wherein the bottom surface of the drill bit body 1 is provided with a plurality of grinders 11, and the top surface of the drill bit body 1 is equidistant from the periphery. A plurality of through-slots 12 are concavely provided, and the through-slots 12 extend from the position of the top surface of the drill bit main body 1 adjacent to the center to the peripheral edge. An accommodating groove 211 is defined at the bottom of one end of the 21 , and a guide groove 212 is provided on the top surface of the guide bases 21 adjacent to the other end opposite to the accommodating groove. The grinding bits 22 are arranged in the accommodating grooves. 211 , and one side outer edge of the grinding bits 22 protrudes out of the accommodating grooves 211 .

A plurality of guide rails 31 extend from the position adjacent to the center of the control disk 3 to the periphery of the control disk 3 in a circular arc on the bottom surface of the control disk 3 , and the number of the guide rails 31 is the same as the number of the flank drill bits 2 , the bottom surface of the positioning seat 4 is provided with a plurality of positioning grooves 41 corresponding to the number and position of the through grooves 11 of the drill body 1, and a positioning hole 42 is provided in the axis of the positioning seat 4, and the clamping elements 5 All are semi-circular in shape.

In this embodiment, when the reaming drill bit structure of the drilling machine provided by the present invention is assembled, the guide seats 21 of the flank drill bits 2 are respectively inserted into the through grooves 12 of the drill bit main body 1, and the through holes 12 are respectively inserted. The outer edge of one side of the grinding bit 22 coming out of the accommodating slot 211 faces the periphery of the bit body 1 and the bottom of the bit body 1 , and then the positioning seat 4 is fixed on the top surface of the bit body 1 , and the positioning slot 41 is covered on the through slot 12 . , so as to accommodate the flanking drill bits 2 between the through grooves 12 and the positioning grooves 41, and then pivot the control disk 3 in the positioning hole 42 of the positioning seat 4, and make the guide rail 31 of the control disk 3 and the flanking drill bits The guide grooves 212 provided on the top surface of the guide base 21 of 2 are connected to each other, then, the connecting portion 6 is locked on the top surface of the control panel 3, and finally, the two clamping units 5 are covered by the outside of the connecting portion. connecting part 6 , and locking the two clamping units 5 on the positioning seat 4 .

Please refer to FIGS. 1 to 8 , in this embodiment, the reaming bit structure of the drilling machine provided by the present invention is connected to the drive shaft 7 of the drilling machine (not shown in the figure), so this embodiment drills When drilling a hole, the drilling machine drives the reaming bit structure of the drilling machine provided by the present invention to rotate through the drive shaft 7 to perform drilling operations, and rotates in the reaming bit structure of the drilling machine provided by the present invention. At the same time, the plurality of grinders 11 provided on the bottom surface of the main body 1 of the drill bit are also activated at the same time, so that the drilling and cutting operations are simultaneously performed through the plurality of grinders 11 during the drilling process.

When the reaming drill and cutting operation is to be performed in this embodiment, in the reaming drill bit structure of the drilling machine provided by the present invention, the grinding bits 22 of the flank drill bits 2 are driven by the drilling machine. At this time, the control panel 3 is also driven to rotate by the drilling machine, so that the guide base 21 that uses the guide groove 212 to connect with the guide rail 31 of the control panel 3 is driven by the guide rail 31 and pushed out along the through groove 12 and the positioning groove 41 when the control turntable 3 rotates. The outer side of the drill bit body 1, and in the process of pushing out the ground drill bit 22, the guide base 21 is pushed out of the path to drill the soil and rock. Then, the drilling machine drives the reaming drill bit of the drilling machine provided by the present invention through the driving shaft 7. The structure is rotated to perform drilling operations. At this time, in addition to the plurality of grinders 11 provided on the bottom surface of the drill bit main body 1, the grinding drill bits 22 of the flank drill bits 2 also perform drilling and cutting actions during the drilling process, and further The purpose of reaming, drilling and cutting is achieved. In addition, when the reaming, drilling and cutting are to be completed, the present invention only needs to reverse the rotation of the control disk 3 to retract the flank drill bit 2 .

From the above, the reaming drill bit structure of the drilling machine provided by the present invention is compared with the conventional drill bit structure. The present invention does not need to extract and replace the drill bit, and the reaming drilling and cutting operation can be performed, and not only can avoid the replacement of the drill bit. When the hole wall is collapsed, the structure of the flank drill bit 2 is directly extended from the side edge of the drill bit body 1 to perform the reaming drilling and cutting action, and the time for replacing the drill bit can also be reduced. Therefore, compared with the conventional drilling machine, the With the operation mode of two-stage drilling and cutting, the reaming bit structure of the drilling machine provided by the present invention can not only increase the success rate of drilling, but also speed up the time course of the drilling operation.

The above detailed description is a specific description of a feasible embodiment of the present invention, but this embodiment is not intended to limit the patent scope of the present invention. Any equivalent implementation or modification that does not depart from the technical spirit of the present invention shall be included in the within the scope of the patent in this case.

1: The main body of the drill 11: Grinder 12: Grooving 2: Flank bits 21: Guide seat 211: accommodating slot 212: Guide groove 22: Grinding Bits 3: Control panel 31: Rails 4: Positioning seat 41: Positioning slot 42: Positioning hole 5: Clamping element 6: Connection part 7: Drive shaft

Fig. 1 is the three-dimensional appearance view of the reaming bit of the drilling machine of the present invention; Fig. 2 is the exploded schematic diagram of the reaming bit of the drilling machine of the present invention; Fig. 3 is the three-dimensional appearance view of another viewing angle of the control panel of the present invention; Fig. 4 is the three-dimensional appearance view of the guide seat of the flank drill bit of the present invention; FIG. 5 is a three-dimensional appearance view of the guide seat of the flank drill bit of the present invention from another perspective; 6 is a schematic diagram 1 of the linkage state between the control panel and the flank drill bit according to the present invention; 7 is a schematic diagram 2 of the linkage state between the control panel and the flank drill bit according to the present invention; FIG. 8 is a schematic diagram of the use state of the reaming bit of the drilling machine of the present invention.

1: The main body of the drill

11: Grinder

12: Grooving

2: Flank bits

21: Guide seat

211: accommodating slot

212: Guide groove

22: Grinding Bits

3: Control panel

4: Positioning seat

41: Positioning slot

42: Positioning hole

5: Clamping element

6: Connection part

Claims (7)

A reaming drill bit structure of a drilling machine, comprising: A drill bit body, the drill bit body includes a plurality of grinders and a plurality of through grooves, the grinders are arranged on a surface of the drill bit body, and the through grooves are recessed in the drill bit body. the periphery of a surface; A control panel, the control panel is located on the side of the drill body with the through grooves, a surface of the control panel is provided with a plurality of guide rails, and the guide rails are from the position adjacent to the center of the control panel to the control panel. The outer edge of the disk extends; Plural flank drill bits, the flank drill bits all include at least a guide seat and a grinding drill bit, the guide seats are arranged in the through grooves, and the guide seats are opposite to the other surface of the through groove direction Each is provided with a guide groove, the guide grooves are respectively connected with the guide rails, and the grinding bits are arranged on the other surface of the guide seats opposite to the guide grooves. The reaming bit structure of a drilling machine as claimed in claim 1, wherein the through grooves extend from a position adjacent to the center of the main body of the bit to the periphery of the main body of the bit. The reaming drill bit structure for a drilling machine as claimed in claim 1, wherein the guide rails extend from the position of the control panel adjacent to the center to the outer edge of the control panel in a circular arc. The reaming drill bit structure of a drilling machine as enumerated in claim 1, further comprising a positioning seat, the positioning seat is located on a surface of the drill bit main body with the through grooves, and a center of the positioning seat is provided for the control A plurality of positioning grooves corresponding to the number and position of the through grooves are provided on the surface of the positioning seat facing the main body of the drill bit on the positioning hole pivoted by the disk. The reaming drill bit structure for a drilling machine as claimed in claim 1, wherein the through grooves are equidistantly concavely arranged on a surface of the drill bit body. The reaming bit structure for a drilling machine as claimed in claim 1, wherein the guide seats are opposite to the other surface on which the guide grooves are arranged, and the guide seats face an end face of the outer edge of the control panel. An accommodating groove for accommodating the grinding bits is provided at the junction. The reaming drill bit structure of the drilling machine as enumerated in claim 6, wherein one side outer edge of the grinding drill bits penetrates out of the accommodating grooves.

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