CN112589165A - Novel drilling groove bottom slotting drill bit - Google Patents

Abstract

The invention discloses a novel drilling groove bottom slotting drill bit which comprises a drill rod fixedly connected with the output end of an external load driving device, wherein a drill bit is arranged at the bottom of the drill rod, the outer side wall of the drill rod is fixedly connected with a transmission gear, an upper folding plate and a lower folding plate are arranged between the transmission gear and the drill bit, the upper folding plate and the lower folding plate are connected through a first rotating body, the outer side walls of the upper folding plate and the lower folding plate are respectively provided with a thread strip with the same rotating direction, the lower folding plate rotates with the drill bit through a second rotating body, and the top of the upper folding plate is provided with a plurality of sector teeth which are circumferentially arranged. The invention adopts the design that the sector teeth are in a sector shape, so that when the sector teeth rotate, the sector teeth are always in meshed transmission with the transmission gear, and when the upper folding plate rotates, the upper folding plate is ensured to be always in meshed transmission with a drill rod through the gear, so that the upper folding plate and the lower folding plate carry the threaded strip to rotate for drilling.

Description

A new type of drilling groove bottom slotting drill

technical field

The invention relates to the technical field of groove bottom grooving, in particular to a new drilling groove bottom grooving drill bit.

Background technique

At present, a large amount of drilling equipment is often used in social production practice. When the drilling is completed, a fixing device is usually installed at the bottom of the drilling hole to fix the objects to be placed inside the drilling hole. The placement slot at the bottom of the hole is more difficult, and at the same time, there are the following problems;

First of all, the slotting efficiency at the bottom of the drilling slot is low. The main reason for this is that it needs to be drilled first, and then the corresponding reaming machine is used to slot and ream the bottom of the drilling slot, which often leads to cumbersome processes and thus Affect slotting efficiency;

Secondly, the debris generated by slotting at the bottom of the drilling groove cannot be cleaned well. The main reason for this is that when the slot is slotted, the diameter of the slot opened is larger than the diameter of the drilling hole. No fluidity can be formed in the opened slot, making it extremely difficult to clean the inside of the slot.

To this end, we designed a new type of drilling groove bottom slotting drill.

SUMMARY OF THE INVENTION

The purpose of the present invention is to solve the problems of low grooving efficiency at the bottom of the borehole groove and the debris generated by the grooving at the bottom of the borehole groove cannot be cleaned well.

In order to achieve the above object, the present invention adopts the following technical solutions:

A new drilling groove bottom slotting drill comprises a drill rod fixedly connected with the output end of an external load driving device, a drill bit is arranged at the bottom of the drill rod, a transmission gear is fixedly connected to the outer side wall of the drill rod, and the transmission gear An upper folding board and a lower folding board are arranged between the drill bit, the upper folding board and the lower folding board are connected by a first rotating body, and the outer side walls of the upper folding board and the lower folding board are provided with the same rotation direction. The lower folded plate rotates with the drill bit through the second rotating body, the top of the upper folded plate is provided with a plurality of sector-shaped teeth arranged in a circle, and the upper folded plate is meshed with the transmission gear through the sector-shaped teeth for transmission, The bottom surface of the transmission gear is provided with a rubber ring, and the bottom of the outer side wall of the rubber ring is provided with rounded corners, the upper folding plate and the lower folding plate are provided with arc grooves, and a V-shaped bracket is arranged above the arc groove, and The V-shaped bracket is provided with a rotatable rotating rod, and the two ends of the rotating rod are respectively provided with a fan blade and a rotating ball.

Preferably, the first rotating body is disposed at opposite ends of the upper folding plate and the lower folding plate, and the upper folding plate and the lower folding plate are bent by the first rotating body.

Preferably, the top of the drill bit is provided with an annular groove for the second rotating body to slide.

Preferably, the lower folding plate can rotate and rotate around the drill rod through the second rotating body and the top surface of the drill bit.

Preferably, the arcuate surface of the sector tooth faces the transmission gear.

Preferably, the rounded corners are adapted to the rotating ball.

Preferably, after the upper folding board and the lower folding board are folded, the arc-shaped groove can form a circular placement groove.

The beneficial effects of the present invention are:

1. The purpose of the present invention adopting the fan-shaped teeth to design the shape of a fan is that when the fan-shaped teeth rotate, the fan-shaped teeth are always meshed with the transmission gear, and when the upper folding plate rotates, it is ensured that the upper folding plate is always meshed with the drill rod through gear transmission. , so that the upper and lower folding plates carry the threaded strips to turn the drilling holes.

2. The present invention adopts the coaxial fixed connection between the rubber ring and the transmission gear, then by virtue of the frictional force, the rubber ring will rotate with the rotating rod on the V-shaped bracket through the rotating ball, and then rotate with the fan blade, so that the drilling can be drilled. The debris generated by the slotting at the bottom of the groove is sucked into the area formed by the folding of the upper folding board and the lower folding board through the fan blade, which can play the effect of cleaning debris.

Description of drawings

Fig. 1 is the structural representation of a kind of novel drilling groove bottom slotting drill bit proposed by the present invention;

Fig. 2 is the structure enlarged schematic diagram at A place in Fig. 1;

Fig. 3 is a front view of a new type of drilling groove bottom slotting drill proposed by the present invention;

Fig. 4 is the structure enlarged schematic diagram at B place in Fig. 3;

5 is a partial cross-sectional view of a new type of drilling groove bottom slotting drill proposed by the present invention;

Fig. 6 is the structure enlarged schematic diagram at C place in Fig. 5;

FIG. 7 is a schematic structural diagram of the folding plate in a new type of drilling groove bottom slotting drill proposed by the present invention.

In the picture: 1 drill pipe, 2 drill bit, 3 upper folding plate, 4 lower folding plate, 5 first rotating body, 6 threaded rod, 7 transmission gear, 8 rubber ring, 9 sector teeth, 10 V-shaped bracket, 11 rotating rod , 12 fan blades, 13 arc grooves, 14 rotating balls, 15 rounded corners.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inside", " The orientation or positional relationship indicated by "outside" is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, so as to The specific orientation configuration and operation are therefore not to be construed as limitations of the present invention.

1-7, a new type of drilling groove bottom slotting drill includes a drill rod 1 fixedly connected with the output end of the external load driving device, the bottom of the drill rod 1 is provided with a drill bit 2, and the outer side wall of the drill rod 1 is fixedly connected with a transmission Gear 7, an upper folding plate 3 and a lower folding plate 4 are arranged between the transmission gear 7 and the drill bit 2, and the upper folding plate 3 and the lower folding plate 4 are connected by a first rotating body 5, and the first rotating body 5 is arranged on the upper The opposite ends of the folding board 3 and the lower folding board 4, and the upper folding board 3 and the lower folding board 4 are bent by the first rotating body 5, which can ensure that the upper folding board 3 and the lower folding board 4 in the subsequent movement process. When bending and folding, the side edges of the upper folding board 3 and the lower folding board 4 can be in contact with each other without side deviation. At the same time, the establishment of the first rotating body 5 can effectively connect the upper folding board 3 and the lower folding board. 4 connection, can do circular motion together without affecting the bending and folding.

The upper folding plate 3 and the outer side wall of the lower folding plate 4 are all provided with threaded strips 6 with the same direction of rotation. 4. The threaded strip 6 provided on the outer side wall is rotated upward, which can effectively ensure that the debris generated during the drilling process is discharged from the drilling hole.

The lower folding plate 4 rotates with the drill bit 2 through the second rotating body. The top of the drill bit 2 is provided with an annular groove for the second rotating body to slide, so that the lower folding plate 4 can rotate stably with the drill bit 2 during drilling.

The lower folding plate 4 can rotate and rotate around the drill rod 1 through the second rotating body and the top surface of the drill bit 2. The establishment of the first rotating body 5 can effectively connect the upper folding plate 3 and the lower folding plate 4. The circular motion can be done together without affecting the bending and folding.

The top of the upper folding plate 3 is provided with a plurality of sector-shaped teeth 9 arranged in a circle. The upper folding plate 3 is meshed with the transmission gear 7 through the sector-shaped teeth 9, and the arc surface of the sector-shaped teeth 9 faces the transmission gear 7. The purpose is that when the sector tooth 9 rotates 90 degrees, the sector tooth 9 is always meshed with the transmission gear 7 for transmission, and when the upper folding plate 3 rotates, it is ensured that the upper folding plate 3 is always meshed with the drill rod 1 through gear transmission. The plate 3 and the lower folded plate 4 carry the threaded strips 6 to rotate and drill holes.

The bottom surface of the transmission gear 7 is provided with a rubber ring 8, and the bottom of the outer side wall of the rubber ring 8 is provided with a rounded corner 15. The upper folding board 3 and the lower folding board 4 are provided with arc grooves 13, and the upper folding board 3 and the lower folding board 4 are folded Afterwards, the arc-shaped slot 13 can form a circular placement slot, and the arc-shaped slot 13 on the inner sidewalls of the upper folding plate 3 and the lower folding plate 4 which are folded can provide space for the rotation of the fan blade 12 .

A V-shaped bracket 10 is arranged above the arc-shaped groove 13, and a rotatable rotating rod 11 is arranged on the V-shaped bracket 10. The two ends of the rotating rod 11 are respectively provided with a fan blade 12 and a rotating ball 14, and a rounded corner 15 and a rotating ball 14. Matching, due to bending, the current diameter will be larger than the original diameter of the drill pipe, and the effect of slotting the bottom of the drilling groove during the drilling process is completed. At the same time, the rubber ring 8 will rotate the ball 14 with V The rotating rod 11 on the shaped bracket 10 rotates, and then rotates with the fan blade 12, so that the debris generated by the bottom of the drilling groove can be sucked into the upper folding board 3 and the lower folding board 4 through the fan blade 12. In the formed area, it can play the effect of cleaning debris.

The working principle of the present invention is as follows: First, the output end of the external load driving device is fixedly connected with the drill rod 1, so that the drill rod 1 can carry the drill bit 2 to drill the part to be drilled.

It should be noted that the drill rod 1 and the drill bit 2 are rotationally connected, and the upper folding plate 3 and the threaded strip 6 provided on the outer side wall of the upper folding plate 3 and the lower folding plate 4 on the outer side wall of the drill rod 1 are rotated upward, which can effectively It is ensured that the debris generated during the drilling process is discharged from the drilling, and at the same time, the lower folding plate 4 can be rotated on the top of the drill bit 2 through the second rotating body, and a ring shape for the second rotating body to slide is opened on the top of the drill bit 2. groove, and the first rotating body 5 arranged between the upper folding plate 3 and the lower folding plate 4 is located at the opposite ends of the upper folding plate 3 and the lower folding plate 4, as shown in FIG. During the process, when the upper folding board 3 and the lower folding board 4 are bent and folded, the side edges of the upper folding board 3 and the lower folding board 4 can be in contact with each other, and the phenomenon of side deviation will not occur, and the first rotating body 5 can be set up. The upper folding plate 3 and the lower folding plate 4 are effectively connected, and circular motions can be performed together without affecting the bending and folding.

The driving force for the rotation of the upper folding plate 3 and the lower folding plate 4 is the meshing transmission between the sector teeth 9 and the transmission gear 7, wherein a plurality of sector teeth 9 are arranged on the top of the upper folding plate 3 in a circle. The purpose of designing the shape of the tooth 9 as a sector is that when the sector tooth 9 rotates by 90 degrees, the sector tooth 9 is always meshed with the transmission gear 7 for transmission, and when the upper folding plate 3 rotates, it is ensured that the upper folding plate 3 is always connected with the drill rod 1 through the gear. Engage the transmission, let the upper folding plate 3 and the lower folding plate 4 carry the threaded strips 6 to rotate and drill.

Then, when the drilling is completed, by pressing down the transmission gear 7, this pressure will be transmitted to the upper folding plate 3 and the lower folding plate 4, so that the upper folding plate 3 and the lower folding plate 4 pass through the first rotating body 5 and the second folding plate 4. The rotating body rotates, as shown in FIG. 7 , the rotating ball 14 after bending will contact the rounded corners 15 on the rubber ring 8, and the rubber ring 8 and the transmission gear 7 are coaxially and fixedly connected, relying on the frictional force of the rubber ring. 8 will rotate through the rotating ball 14 with the rotating rod 11 on the V-shaped bracket 10, and the arc groove 13 on the inner side wall of the upper folding plate 3 and the lower folding plate 4 can provide space for the rotation of the fan blade 12. , and the fan blade 12 is fixedly connected with the rotating rod 11, so that the upper folding plate 3 and the lower folding plate 4 after folding will produce two effects. First, due to the bending, the current diameter will be larger than the original diameter of the drill pipe. , the effect of the bottom of the drilling groove during the drilling process is completed, and at the same time, the rubber ring 8 will rotate with the rotating rod 11 on the V-shaped bracket 10 through the rotating ball 14, and then rotate with the fan blade 12, so that The debris generated by the opening of the bottom of the drilling groove can be sucked into the area formed by the folding of the upper folding board 3 and the lower folding board 4 through the fan blade 12, which can achieve the effect of cleaning debris.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. The equivalent replacement or change of the inventive concept thereof shall be included within the protection scope of the present invention.

Claims (7)

1. The utility model provides a new-type drilling groove bottom fluting drill bit, includes drilling rod (1) with outer load drive device output end fixed connection, its characterized in that, drilling rod (1) bottom is provided with drill bit (2), drilling rod (1) lateral wall fixedly connected with drive gear (7), be provided with folded sheet (3) and lower folded sheet (4) between drive gear (7) and drill bit (2), go up between folded sheet (3) and the lower folded sheet (4) and be connected through first rotor (5), it all is provided with on folded sheet (3) and the lower folded sheet (4) lateral wall to revolve to the same thread strip (6), folded sheet (4) rotate through second rotor and drill bit (2) down, go up folded sheet (3) top and seted up a plurality of fan-shaped teeth (9) that are the circumference and arrange, it meshes the transmission through fan-shaped tooth (9) and drive gear (7) to go up folded sheet (3), drive gear (7) bottom surface is provided with rubber circle (8), and has seted up fillet (15) rubber circle (8) lateral wall bottom, go up folding plate (3) and seted up arc wall (13) down on folding plate (4), arc wall (13) top is provided with V-arrangement support (10), and is provided with on V-arrangement support (10) can pivoted dwang (11), dwang (11) both ends are provided with flabellum (12) and rolling ball (14) respectively.

2. A new type of drill bit for grooving the bottom of a hole according to claim 1, characterized in that the first rotor (5) is provided at both ends of the opposing surface of the upper folding plate (3) and the lower folding plate (4), and the upper folding plate (3) and the lower folding plate (4) are bent by the first rotor (5).

3. A new drill bit with a grooved bottom according to claim 1, characterized in that the top of the drill bit (2) is provided with an annular groove for the second rotor to slide.

4. A new slot-bottom grooving drill according to claim 3, characterized in that the lower folding plate (4) is rotatable with the top surface of the drill (2) and around the drill rod (1) by means of a second rotor.

5. A new slot bottom grooving drill bit according to claim 1, characterized in that the scallops (9) arc towards the drive gear (7).

6. A new drill slot bottom grooving drill bit according to claim 1, characterized in that the fillet (15) is adapted to the rotating ball (14).

7. The new-type drill bit for drilling and grooving at the bottom of the slot according to claim 1, characterized in that the arc-shaped slot (13) can form a circular placing slot after the upper folding plate (3) and the lower folding plate (4) are folded.

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