阅读说明：本技术 一种可快速冷却的钻头机构 (Drill bit mechanism capable of being cooled rapidly ) 是由 李虎 于 2020-10-27 设计创作，主要内容包括：本发明涉及钻头刀具冷却相关技术领域,且公开了一种可快速冷却的钻头机构,包括定位框,所述定位框的顶部和底部均开设有相互对应的安装孔,两个安装孔的内侧均安装有垂直定位轴承,两个垂直定位轴承之间固定穿插有空心刀柄,空心刀柄的底部一端连接有钻头,空心刀柄的顶部端口内侧安装有密封轴承,空心刀柄通过密封轴承固定穿插有导液管,导液管的底部一端延伸至空心刀柄的内腔,导液管的底部开设有与空心刀柄内腔相连通的排液孔。该可快速冷却的钻头机构,区别于传统的外置冷却液喷头喷洒降温的方式,能够精准的对材料钻孔区域进行导液冷却,有效减少冷却液的使用,提高冷却液的利用效率。(The invention relates to the technical field of cooling of drill bits and cutters, and discloses a drill bit mechanism capable of being rapidly cooled, which comprises a positioning frame, wherein the top and the bottom of the positioning frame are respectively provided with a corresponding mounting hole, the inner sides of the two mounting holes are respectively provided with a vertical positioning bearing, a hollow cutter handle is fixedly inserted between the two vertical positioning bearings, one end of the bottom of the hollow cutter handle is connected with a drill bit, the inner side of a top port of the hollow cutter handle is provided with a sealing bearing, the hollow cutter handle is fixedly inserted with a catheter through the sealing bearing, one end of the bottom of the catheter extends to the inner cavity of the hollow cutter handle, and the bottom of the catheter is provided with a liquid discharge hole communicated with. This drill bit mechanism that can cool off fast is different from the mode that traditional external coolant liquid shower nozzle sprayed the cooling, can be accurate carry out the drain cooling to the material drilling region, effectively reduces the use of coolant liquid, improves the utilization efficiency of coolant liquid.)

1. The utility model provides a but quick refrigerated drill bit mechanism, includes the locating frame, its characterized in that: the top and the bottom of the positioning frame are provided with mounting holes corresponding to each other, vertical positioning bearings are mounted on the inner sides of the two mounting holes, a hollow knife handle is fixedly inserted between the two vertical positioning bearings, one end of the bottom of the hollow knife handle is connected with a drill bit, a sealing bearing is mounted on the inner side of a top port of the hollow knife handle, a liquid guide pipe is fixedly inserted in the hollow knife handle through the sealing bearing, one end of the bottom of the liquid guide pipe extends to the inner cavity of the hollow knife handle, the bottom of the liquid guide pipe is provided with a liquid discharge hole communicated with the inner cavity of the hollow knife handle, an annular inner groove is formed in one end part of the bottom of the hollow knife handle close to the drill bit, a spiral groove communicated with a chip discharge groove of the drill bit is formed in;

the hollow knife handle is provided with a conical gear in a transition insertion manner at the inner side part of the positioning frame, the inner side of the positioning frame is movably provided with a driving shaft through a transverse positioning bearing, and the tail end of the driving shaft is provided with a driving gear meshed with the conical gear.

2. A rapidly coolable drill bit mechanism as recited in claim 1, further comprising: the outer diameter of the hollow cutter handle is smaller than that of the drill bit, and the centers of the hollow cutter handle, the liquid guide pipe and the drill bit are located on the same vertical line.

3. A rapidly coolable drill bit mechanism as recited in claim 1, further comprising: one end of the bottom of the hollow cutter handle is a closed end, the connection relation between the hollow cutter handle and the drill bit is welding, and the spiral groove is matched with the chip removal groove on the drill bit.

4. A rapidly coolable drill bit mechanism as recited in claim 1, further comprising: the drive shaft and the hollow tool shank are perpendicular to each other, and the outer diameter of the hollow tool shank on the cross street surface at the inner side portion of the positioning frame is regular and circular.

5. A rapidly coolable drill bit mechanism as recited in claim 1, further comprising: the liquid guide hole is obliquely arranged, the matched port of the liquid guide hole and the spiral groove is a spiral inclined opening, and the port of the liquid guide hole close to the inner side of the hollow cutter handle is higher than the port far away from the inner side of the hollow cutter handle.

6. A rapidly coolable drill bit mechanism as recited in claim 1, further comprising: the annular inner groove is in arc transition connection with the top of the drill bit.

Technical Field

The invention relates to the technical field related to cooling of drill cutters, in particular to a drill mechanism capable of being cooled rapidly.

Background

The drill bit is a tool for drilling a through hole or a blind hole in a solid material and reaming the existing hole, and the commonly used drill bits mainly comprise a twist drill, a flat drill, a center drill, a deep hole drill and a trepanning drill, and the reaming drill and the countersink drill can not drill the solid material, but can also be classified into the drill bits in a custom way.

The drill bit is when carrying out long-time drilling operation to hard material, and rigidity friction can produce more heat between drill bit and the material, influences the regional processingquality of processing material drilling, generally adopts the coolant liquid to spray among the prior art and carries out the cooling by spraying of large tracts of land to the drilling region, and this kind of cooling mode need consume a large amount of coolant liquids, and efficiency is lower, therefore the inventor has designed a drill bit mechanism that can cool off fast, solves above-mentioned technical problem.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a drill bit mechanism capable of being cooled rapidly, and solves the problem that a large amount of cooling liquid is consumed when materials are machined in the existing drill bit.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a but quick refrigerated drill bit mechanism, including the posting, the mounting hole of mutual correspondence is all seted up to the top and the bottom of posting, vertical location bearing is all installed to the inboard of two mounting holes, fixed interlude has hollow handle of a knife between two vertical location bearings, the bottom one end of hollow handle of a knife is connected with the drill bit, sealed bearing is installed to the top port inboard of hollow handle of a knife, hollow handle of a knife has the catheter through fixed interlude of sealed bearing, the bottom one end of catheter extends to the inner chamber of hollow handle of a knife, the outage that is linked together with hollow handle of a knife inner chamber is seted up to the bottom of catheter, the bottom of hollow handle of a knife is provided with annular inner groovy at a tip branch that is close to the drill bit, the helicla flute that is linked together with drill bit chip groove is seted up to annular.

The hollow knife handle is provided with a conical gear in a transition insertion manner at the inner side part of the positioning frame, the inner side of the positioning frame is movably provided with a driving shaft through a transverse positioning bearing, and the tail end of the driving shaft is provided with a driving gear meshed with the conical gear.

Preferably, the outer diameter of the hollow handle is smaller than that of the drill bit, and the centers of the hollow handle, the liquid guide pipe and the drill bit are located on the same vertical line, so that when the drill bit drills a material, the hollow handle can extend into the drill hole to conduct liquid guide.

Preferably, the bottom one end of hollow handle of a knife is the blind end, and the relation of connection between hollow handle of a knife and the drill bit is the welding, and the helicla flute is the chip removal groove looks adaptation on helicla flute and the drill bit for coolant liquid passes through the helicla flute inboard of flowing into the chip groove of adaptation, and the assurance coolant liquid is cooled down in the normal leading-in corresponding drilling inboard.

Preferably, the driving shaft and the hollow tool shank are perpendicular to each other, the outer diameter of the hollow tool shank on the cross street surface at the inner side portion of the positioning frame is regular and circular, and stable transmission matching between the hollow tool shank and the driving shaft is guaranteed.

Preferably, the drain hole sets up for the slope, and the cooperation port of drain hole and helicla flute is spiral slope opening, and the drain hole is located to be higher than keeping away from the inboard port of hollow handle of a knife being close to the inboard port of hollow handle of a knife for the coolant liquid that the drain hole was derived can slope circulation downwards, avoids spilling over of coolant liquid.

Preferably, circular arc transitional connection is adopted between the annular inner groove and the top of the drill bit, so that the stability of matched connection between structures is guaranteed.

(III) advantageous effects

The invention provides a drill bit mechanism capable of being cooled rapidly. The method has the following beneficial effects:

(1) this drill bit mechanism that can cool off fast sets up the catheter through the inboard at hollow handle of a knife for the catheter can be when the drill bit uses, pass through the inboard of the leading-in helicla flute of outage and drain hole with the coolant liquid, make the coolant liquid flow downwards under the effect of gravity, be different from the mode that traditional external coolant liquid shower nozzle sprayed the cooling, can be accurate carry out the drain cooling to the material drilling region, effectively reduce the use of coolant liquid, improve the utilization efficiency of coolant liquid.

(2) This drill bit mechanism that can cool off fast sets up sealed bearing through the port department at hollow handle of a knife, avoids the catheter to spill over when leading-in high-pressure coolant liquid to the inner chamber of hollow handle of a knife, and the stable cooperation between the guarantee structure is used.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is an enlarged schematic view of a structure in fig. 1.

In the figure: the device comprises a positioning frame 1, a vertical positioning bearing 2, a hollow cutter handle 3, a sealing bearing 4, a liquid guide pipe 5, an annular inner groove 6, a drill bit 7, a liquid discharge hole 8, a liquid guide hole 9, a spiral groove 10, a bevel gear 11, a driving shaft 12 and a driving gear 13.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-2, the present invention provides a technical solution: a drill bit mechanism capable of being cooled rapidly comprises a positioning frame 1, when the drill bit mechanism is used, the top of the positioning frame 1 is connected with a telescopic device to control lifting and drilling of equipment, the top and the bottom of the positioning frame 1 are provided with mounting holes corresponding to each other, vertical positioning bearings 2 are mounted on the inner sides of the two mounting holes, a hollow cutter handle 3 is fixedly inserted between the two vertical positioning bearings 2, one end of the bottom of the hollow cutter handle 3 is connected with a drill bit 7, a sealing bearing 4 is mounted on the inner side of a top port of the hollow cutter handle 3, a liquid guide pipe 5 is fixedly inserted in the hollow cutter handle 3 through the sealing bearing 4, the top port of the liquid guide pipe 5 is connected with a cooling liquid supply device to supply cooling liquid, one end of the bottom of the liquid guide pipe 5 extends to the inner cavity of the hollow cutter handle 3, the bottom of the liquid guide pipe 5 is provided with a liquid discharge hole 8 communicated with the inner cavity of the hollow cutter, the inner side of the annular inner groove 6 is provided with a spiral groove 10 communicated with a chip groove of the drill bit 7, the inner side of the spiral groove 10 is provided with liquid guide holes 9 communicated with the inner cavity of the hollow handle 3 at equal spiral intervals, the outer diameter of the hollow handle 3 is smaller than that of the drill bit 7, the centers of the hollow handle 3, the liquid guide pipe 5 and the drill bit 7 are positioned on the same vertical line, so that when the drill bit 7 drills a material, the hollow handle 3 can extend into the drill hole to guide liquid, one end of the bottom of the hollow handle 3 is a closed end, the connection between the hollow handle 3 and the drill bit 7 is welding, the spiral groove 10 is matched with the chip groove on the drill bit 7, so that cooling liquid flows into the inner side of the matched chip groove through the spiral groove 10 to cool the inner side of the corresponding drill hole normally, the liquid guide holes 9 are arranged in an inclined manner, and the matched ports, the port that drain hole 9 is being close to 3 inboards of hollow handle of a knife is located to be higher than keeping away from 3 inboards ports of hollow handle of a knife for the coolant liquid that drain hole 9 was derived can slope downward circulation, avoids spilling over of coolant liquid, is circular arc transitional coupling between annular inner groovy 6 and the top of drill bit 7, ensures the stability of cooperation connection between the structure.

The hollow tool shank 3 is in transition insertion with a bevel gear 11 at the inner side part of the positioning frame 1, a driving shaft 12 is movably mounted at the inner side of the positioning frame 1 through a transverse positioning bearing, a driving gear 13 meshed with the bevel gear 11 is mounted at the tail end of the driving shaft 12, the driving shaft 12 and the hollow tool shank 3 are arranged in a mutually perpendicular mode, the outer diameter of the hollow tool shank 3 at the cross side of the inner side part of the positioning frame 1 is regular and circular, stable transmission fit between the hollow tool shank 3 and the driving shaft 12 is guaranteed, and the tail end of the driving shaft 12 is connected with a driving motor to drive and drill the drill bit 7.

In conclusion, when the device is used, the top of the positioning frame 1 is connected with a telescopic device to control lifting and drilling of the device, the top port of the liquid guide pipe 5 is connected with a cooling liquid supply device to supply cooling liquid, the tail end of the driving shaft 12 is connected with a driving motor to drive the drill bit 7 to drill, the output shaft of the driving motor drives the driving shaft 12 to rotate, the driving shaft 12 drives the bevel gear 11 to rotate in a meshed manner through the driving gear 13, the bevel gear 11 drives the hollow cutter handle 3 to rotate, so that the hollow cutter handle 3 drives the drill bit 7 to drill a material, meanwhile, the cooling liquid supply device connected with the liquid guide pipe 5 supplies cooling liquid, the cooling liquid is guided into the inner cavity of the hollow cutter handle 3 through the liquid discharge hole 8 and is finally guided into the inner side of the spiral groove 10 through the liquid guide hole 9, so that the cooling liquid flows downwards under the action of gravity, which is different from the traditional, the material drilling area can be accurately subjected to liquid guide cooling.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a reference structure" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.