CN220739572U - Tapping machine drill bit capable of improving drilling efficiency - Google Patents

Abstract

The utility model discloses an tapping machine drill capable of improving drilling efficiency, which comprises a drill cylinder seat, wherein the top of the drill cylinder seat is fixedly connected with a drill top seat, the top of the drill top seat is fixedly connected with three groups of blade mounting seats, an inner through groove is formed in the bottom end of the drill cylinder seat, and a blade improvement structure is arranged in the blade mounting seat. This tapping machine drill bit that can promote drilling efficiency changes four cutting edge overall arrangements originally into three groups drilling cutting edges through being provided with cutting edge mount pad and drilling cutting edge during the use, and the drilling cutting edge is installed in the cutting edge mount pad, outwards stretches out 1mm, highly increases to 14mm, and the angle is narrowed to 100 degrees by 110 degrees to select YG8X former material carbide, improved the efficiency of drilling when practicing thrift the blade, the replacement cost is lower, has realized optimizing the function that the blade was arranged and is improved drilling efficiency, and what the device was solved does not possess the problem that optimizes the function that the blade was arranged and is improved drilling efficiency.

Description

Tapping machine drill bit capable of improving drilling efficiency

Technical Field

The utility model relates to the technical field of machine manufacturing, in particular to a tapping machine drill bit capable of improving drilling efficiency.

Background

The tapping machine is an important machine for opening a tap hole when a blast furnace is tapped, and the tapping machine is essentially a long-rod electric drill which is hung by a cantilever and can rotate, advance and retreat. And 3 drills are consumed in each time of opening 1 tap hole, the opening time is long, the workload of loading and unloading the drills is large, and the operation of the blast furnace is influenced.

The existing common tapping machine drill in the market is mostly similar in structure, the drill part is generally in a four-blade four-groove layout, namely, four groups of blades are arranged on the drill part, four groups of chip grooves are counted among the blades, the blade angle is 110 degrees, the center is a water outlet hole of phi 16, the blade loss speed is higher in the actual use process, the chip groove caliber is smaller due to extrusion of a cutter holder, the chip removing capacity is insufficient, a certain improvement space is provided, for example, the four-blade drill consumes more blades, but the drilling capacity is not greatly improved, the chip removing efficiency is lower due to too dense arrangement, the replacement cost is high after damage occurs in the drilling process, and the function of optimizing the blade arrangement and improving the drilling efficiency is not provided; secondly, under the layout of the four-blade four-groove drill bit, the chip removal groove is overall narrower, the impact force is weaker when water is discharged from the center for chip removal, the chip removal efficiency is low, and the chip removal is easy to block due to the direct influence of smaller caliber, and the chip removal accelerating function of expanding the notch is not provided; in addition, the single central water outlet hole has low water outlet efficiency, can not uniformly and effectively disperse water flow in the drilling feeding process, has low efficiency in cooling and chip removal, and does not have the function of high-efficiency water outlet auxiliary chip removal.

At present, a novel tapping machine drill capable of improving drilling efficiency is provided to solve the problems.

Disclosure of Invention

The utility model aims to provide an tapping machine drill capable of improving drilling efficiency, so as to solve the problem that the tapping machine drill in the background art does not have the function of optimizing cutting edge arrangement and improving drilling efficiency.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a tapping machine drill bit that can promote drilling efficiency, includes the drill bit drum seat, the top fixedly connected with drill bit footstock of drill bit drum seat, the top fixedly connected with of drill bit footstock has three group's cutting edge mount pad, the inside of drill bit drum seat bottom is provided with interior logical groove, be provided with the chip groove between one side of cutting edge mount pad, the intermediate position department in drill bit footstock top is provided with the centre bore, the outside of centre bore is provided with three group's limit water course, the inside of cutting edge mount pad is provided with the edge of a knife improvement structure.

The knife edge improvement structure comprises three groups of drilling knife edges which are respectively and fixedly connected in the top end of the knife edge mounting seat.

Preferably, the drilling blade is made of YG8X raw material hard alloy, and the edge of the drilling blade mounting seat is drilled by 1mm.

Preferably, the drilling blade height is raised to 14mm and the drilling blade angle narrows from 110 degrees to 100 degrees.

Preferably, the junk slots are semicircular slots with the width of 12 mm.

Preferably, the central hole is Φ19mm.

Preferably, the inner through groove, the central hole and the inner part of the side water channel are communicated, and the positions of the side water channel and the chip removal groove are corresponding.

Compared with the prior art, the utility model has the beneficial effects that: the tapping machine drill capable of improving the drilling efficiency not only realizes the functions of optimizing the arrangement of the cutting edges and improving the drilling efficiency, expanding the notch and accelerating chip removal, but also realizes the function of efficiently discharging water and assisting chip removal;

(1) Through being provided with cutting edge mount pad and drilling cutting edge, during the use, install the drill bit barrel seat on the drilling rod, open the operation through motor drive, make the adjustment to drill bit footstock overall arrangement, change four cutting edge overall arrangements originally into three groups drilling cutting edge, the drilling cutting edge is installed in the cutting edge mount pad, outwards stretch out 1mm, highly increase to 14mm, the angle narrows to 100 degrees from 110 degrees, it is more efficient to cut, and select YG8X virgin materials carbide, the cutting edge intensity is higher, the durability is stronger, damage probability is lower in the drilling process, and then reduced the frequency of changing, the efficiency of drilling has been improved when practicing thrift the cutting edge, the replacement cost is lower, realize optimizing the cutting edge and arrange the function that improves drilling efficiency;

(2) When the chip removing groove is arranged, along with continuous feeding of the drill, chips generated by drilling are discharged outwards along the chip removing groove, three groups of chip removing grooves are synchronously arranged between the three groups of blade mounting seats, the chip removing groove is reduced to three grooves from four grooves, the width of the semicircular chip removing groove is also increased to 12mm, the chip removing efficiency of the matched operation with the drilling blade is higher, the probability of chip blocking is lower, and the function of expanding the notch and accelerating chip removing is realized;

(3) Through being provided with centre bore and limit water course, during the use, when the drill bit advances the drilling, the centre bore lasts out water and washes the piece and remove, has increased three group limit water course outside the centre bore, and the laminating of limit water course is in the junk groove top, further promotes the chip removal efficiency of junk groove, and the notch that the cooperation width is bigger takes place the card bits and blocks up the probability also lower when the chip removal, has realized the function of the supplementary chip removal of high-efficient play water.

Drawings

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is a schematic side sectional view of the present utility model;

FIG. 3 is a schematic top view of the present utility model;

fig. 4 is a schematic side view of the present utility model.

In the figure: 1. a drill cylinder seat; 2. a drill top seat; 3. a blade mounting seat; 4. drilling a cutting edge; 5. a chip removal groove; 6. an inner through groove; 7. a central bore; 8. and a side water channel.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1: referring to fig. 1-4, an tapping machine drill capable of improving drilling efficiency comprises a drill cylinder seat 1, wherein a drill top seat 2 is fixedly connected to the top of the drill cylinder seat 1, three groups of blade mounting seats 3 are fixedly connected to the top of the drill top seat 2, an inner through groove 6 is formed in the bottom end of the drill cylinder seat 1, and a blade improvement structure is arranged in the blade mounting seats 3;

referring to fig. 1-4, an tapping machine drill capable of improving drilling efficiency further comprises a knife edge improvement structure, wherein the knife edge improvement structure comprises three groups of drilling blades 4, and the three groups of drilling blades 4 are fixedly connected to the inside of the top end of a blade mounting seat 3 respectively;

the drilling blade 4 is made of YG8X primary raw material hard alloy, the edge of the drilling blade mounting seat 3 is 1mm, the height of the drilling blade 4 is increased to 14mm, the angle of the drilling blade 4 is narrowed from 110 degrees to 100 degrees, the blade layout is optimized, the drilling capability is improved, and meanwhile, the production and replacement cost is saved;

specifically, as shown in fig. 1 and 2, the four-blade layout is changed into three groups of drilling blades 4, the drilling blades 4 are installed in the blade installation seat 3, the height of the drilling blades is raised outwards by 1mm and is increased to 14mm, the angle is narrowed from 110 degrees to 100 degrees, the cutting is more efficient, YG8X raw material hard alloy is selected, the blade strength is higher, the durability is stronger, the damage probability in the drilling process is lower, the replacement frequency is reduced, the drilling efficiency is improved while the cutting blades are saved, and the replacement cost is lower.

Example 2: a chip removal groove 5 is formed between one sides of the blade mounting seat 3, the chip removal groove 5 is a semicircular groove with the width of 12mm, chip removal is facilitated, and the blocking probability of chip clamping is reduced;

specifically, as shown in fig. 1 and 4, three groups of chip removal grooves 5 are synchronously arranged between the three groups of blade mounting seats 3, the width of the semicircular chip removal grooves 5 is increased to 12mm from four grooves to three grooves, the chip removal efficiency of the matched operation with the drilling blade 4 is higher, and the probability of chip blockage is lower.

Example 3: the middle position of the top end of the drill top seat 2 is provided with a central hole 7, the outer side of the central hole 7 is provided with three groups of side water channels 8, the central hole 7 is phi 19mm, the inner through grooves 6, the central hole 7 and the inner parts of the side water channels 8 are communicated, the positions of the side water channels 8 and the chip removal grooves 5 are corresponding, the efficiency of flushing by water outlet can be improved, and the cooling and chip removal are more efficient;

specifically, as shown in fig. 2 and 3, the central hole 7 continuously discharges water to flush out scraps, three groups of side water channels 8 are added outside the central hole 7, the side water channels 8 are attached to the upper portion of the chip removal groove 5, the chip removal efficiency of the chip removal groove 5 is further improved, the chip removal groove is matched with a notch with a larger width, and the probability of chip blockage during chip removal is lower.

Working principle: when the novel high-precision drilling tool is used, firstly, the drill cylinder seat 1 is mounted on a drill rod, the iron notch opening operation is carried out through motor driving, the layout of the drill top seat 2 is adjusted, the original four-blade layout is changed into three groups of drilling blades 4, the drilling blades 4 are mounted in the blade mounting seat 3, the height of the drilling blades is raised to 14mm, the angle is narrowed from 110 degrees to 100 degrees, the cutting is more efficient, YG8X raw material hard alloy is selected, the blade strength is higher, the durability is stronger, the damage probability in the drilling process is lower, the replacement frequency is further reduced, the cutting blades are saved, the drilling efficiency is improved, and the replacement cost is lower. Along with the continuous feeding of drill bit, the piece that the drilling produced is discharged outside along chip groove 5, has set up three chip groove 5 in step between three group's cutting edge mount pad 3, reduces to three grooves from four grooves, and the width of semicircle chip groove 5 also increases to 12mm, cooperates the operation chip removal efficiency higher with drilling cutting edge 4 to the probability of card bits jam is lower. When the drill bit advances the drilling, centre bore 7 lasts out water and washes the piece and remove, has increased three group limit water course 8 outside centre bore 7, and 8 laminating of limit water course are in chip groove 5 top, further promote chip groove 5's chip removal efficiency, and the notch that the cooperation width is bigger takes place the card bits to block up the probability also lower when the chip removal.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. Tapping machine drill bit that can promote drilling efficiency, including drill bit barrel seat (1), its characterized in that: the novel drill bit is characterized in that the top of the drill bit cylinder seat (1) is fixedly connected with a drill bit top seat (2), the top of the drill bit top seat (2) is fixedly connected with three groups of edge mounting seats (3), an inner through groove (6) is formed in the bottom end of the drill bit cylinder seat (1), a chip removal groove (5) is formed between one sides of the edge mounting seats (3), a central hole (7) is formed in the middle position of the top end of the drill bit top seat (2), three groups of edge water channels (8) are formed in the outer side of the central hole (7), and an edge improvement structure is arranged in the edge mounting seats (3);

the knife edge improvement structure comprises three groups of drilling knife edges (4), and the three groups of drilling knife edges (4) are respectively and fixedly connected to the inside of the top end of the knife edge mounting seat (3).

2. The tapping machine drill capable of improving drilling efficiency according to claim 1, wherein: the drilling blade (4) is made of YG8X raw material hard alloy, and the edge of the drilling blade mounting seat (3) is drilled by 1mm.

3. The tapping machine drill capable of improving drilling efficiency according to claim 1, wherein: the height of the drilling blade (4) is increased to 14mm, and the angle of the drilling blade (4) is narrowed from 110 degrees to 100 degrees.

4. The tapping machine drill capable of improving drilling efficiency according to claim 1, wherein: the chip removal groove (5) is a semicircular groove with the width of 12 mm.

5. The tapping machine drill capable of improving drilling efficiency according to claim 1, wherein: the central hole (7) is phi 19mm.

6. The tapping machine drill capable of improving drilling efficiency according to claim 1, wherein: the inner through groove (6), the central hole (7) and the side water channel (8) are communicated, and the positions of the side water channel (8) and the chip removal groove (5) are corresponding.