CN221134195U - Multifunctional drilling countersink indexable integrated knife - Google Patents

Abstract

The utility model relates to the technical field of cutters, and discloses a multifunctional drilling and countersinking indexable integrated cutter, which comprises a cutter handle body, wherein a cutter handle connector is arranged at one end of the cutter handle body, a drilling cutter mounting part is arranged at the center of the other end of the cutter handle body, an adjusting component is arranged at one end of the drilling cutter mounting part, a drill bit is arranged at the other end of the drilling cutter mounting part, an indexable cutting component is arranged at the outer side of the drill bit, the indexable cutting component comprises a cutter blade mounting part, an indexable cutter blade and a locking screw, the cutter blade mounting part is arranged at the end part of the cutter handle body in a groove shape, the indexable cutter blade is fixed in the cutter blade mounting part through the locking screw, the drill bit is used for drilling and machining, and the indexable cutting component is used for countersinking machining; the utility model improves the processing efficiency and the processing precision, saves the purchase cost of one cutter handle and improves the space utilization rate of the cutter magazine.

Description

Multifunctional drilling countersink indexable integrated knife

Technical Field

The utility model belongs to the technical field of cutters, and particularly relates to a multifunctional drilling countersink indexable integrated cutter.

Background

Drilling is a basic process in mechanical manufacturing, and is generally used for creating through holes or blind holes in materials, while countersinking is a surface machining process in mechanical manufacturing, which is mainly used for improving the machining precision or surface quality of holes, and can also be used for machining planes. In the current hole and plane processing of a processing center, a cutter is often needed for drilling, and a cutter is also needed for plane processing, and the cutter is required to be processed in two times, so that the input cost is increased for production and manufacture, the processing efficiency is reduced, the space of a tool magazine of the processing center is occupied, and the production of enterprises is not facilitated.

Disclosure of utility model

In order to solve the technical problems, the utility model provides the multifunctional drilling countersink indexable integral cutter, which adopts the design of an integral cutter handle, improves the integral rigidity of the cutter, is beneficial to improving the feeding speed of the cutter and shortens the beat of integral processing; meanwhile, the structure of integrating drilling and countersinking is adopted, so that the machining efficiency is improved, the purchase cost of one cutter handle is saved, and the space utilization rate of the cutter magazine is improved.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

The utility model provides a but multi-functional drilling countersink transposition integrative sword, includes the handle of a knife body, the one end of handle of a knife body is provided with the handle of a knife joint, the center of handle of a knife body other end is provided with drilling tool installation department, the one end of drilling tool installation department is provided with adjusting part, the other end of drilling tool installation department is provided with the drill bit, the outside of drill bit is provided with indexable cutting part, indexable cutting part includes blade installation department, indexable blade and locking screw, blade installation department be the recess form set up in the tip of handle of a knife body, indexable blade passes through locking screw is fixed in the blade installation department, the drill bit is used for drilling processing, indexable cutting part is used for countersink processing, and it is to special processing demand, has improved the efficiency of processing to once process in place, has improved the precision of processing.

Preferably, a plurality of jackscrew screw holes are formed in the cutter handle body, the jackscrew holes are connected with set screws in a threaded mode, and the drill bit is fixedly connected with the cutter handle body in a side fixing mode through the set screws, so that the cutter handle is convenient to use and reliable in fastening.

Further, the insert mounting portion and the indexable insert are two sets, with one indexable insert located at an inner end and the other indexable insert located at an outer end. One indexable blade forms an included angle of 2 degrees with the end face of the cutter handle body, the other indexable blade is parallel to the end face of the cutter handle body, and the end faces of the two indexable blades protrude out of the end face of the cutter handle body. By means of the design of the structure, the cutting key points of each indexable blade are partitioned, so that the cutting is easier, and the machining precision and the machining efficiency are improved.

Further, the cutting end of the drill bit is positioned at the outer side of the indexable insert, drilling is firstly performed, spot facing is performed, and accuracy of a machining position is guaranteed by drilling; and the one-step forming of drilling and facing machining ensures the position precision between the facing machining and drilling machining, and the machining precision is further improved.

Further, the tool handle body adopts a BT40 taper shank and is connected to a main shaft of the machine tool through the tool handle connector, and the tool handle body is a standard interface, so that the tool handle is high in universality and convenient to use.

Furthermore, the indexable insert is made of 40Cr steel, and has good rigidity and high wear resistance.

Further, the adjusting component adopts a threaded screw to adjust, and has simple structure and convenient use.

Further, the drill bit and the indexable insert are mutually matched for processing to form a processing groove.

Compared with the prior art, the utility model has the following beneficial effects:

The cutter handle body adopts a BT40 taper shank, the indexable insert adopts an insert with the model of SCMT09T304, and the drill bit is fixedly connected to the cutter handle body in a side fixing mode. When the tool is used, a drill bit with proper length is selected according to the height of the part, then a machining program is programmed according to the requirements of the hole site to be machined, the shape, the size and the like, and machining can be completed once after tool setting.

Compared with the existing processing cutter, the processing cutter improves the processing efficiency, saves the purchase cost of a cutter handle and the occupied space of a cutter magazine, adopts integrated forming processing, ensures the position precision between spot facing processing and drilling processing, and further improves the processing precision; and the integral design of the cutter handle is adopted, so that the integral rigidity of the cutter is improved, the feeding speed of the cutter is improved, and the integral processing beat is shortened.

The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings.

Drawings

In the drawings:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of a processing tank according to the present utility model.

In the figure: 100. a shank body; 200. a shank adaptor; 300. drilling tool mounting portion; 400. an adjustment assembly; 500. a drill bit; 600. an indexable cutting assembly; 601. a blade mounting portion; 602. indexable inserts; 603. a locking screw; 700. a jackscrew screw hole; 800. a set screw; 900. and (5) processing a groove.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and the following embodiments are used to illustrate the present utility model.

As shown in fig. 1, a multifunctional drilling and countersinking indexable integrated tool comprises a tool holder body 100, one end of the tool holder body 100 is provided with a tool holder joint 200, the center of the other end of the tool holder body 200 is provided with a drilling tool mounting part 300, one end of the drilling tool mounting part 300 is provided with an adjusting component 400, the other end of the drilling tool mounting part 300 is provided with a drill bit 500, the outer side of the drill bit 500 is provided with an indexable cutting component 600, the indexable cutting component 600 comprises a tool mounting part 601, an indexable tool blade 602 and a locking screw 603, the tool mounting part 601 is arranged at the end part of the tool holder body 100 in a groove shape, the indexable tool 602 is fixed in the tool mounting part 601 through the locking screw 603, the drill bit 500 is used for drilling, the indexable cutting component 600 is used for countersinking machining, and aiming at special machining requirements, the efficiency of machining is improved, and the machining precision is improved by one-time machining.

The tool handle body 100 is provided with a plurality of jackscrew screw holes 700, the jackscrew holes 700 are connected with set screws 800 in a threaded manner, and the drill 500 is fixedly connected to the tool handle body 100 through the set screws 800, so that the tool handle is convenient to use and reliable in fastening.

As shown in fig. 1, the insert mounting portion 601 and the indexable insert 602 are two sets, and one of the indexable inserts 602 is located at an inner end and the other indexable insert 602 is located at an outer end. Wherein, the included angle alpha between one indexable blade 602 and the end face of the knife handle body 100 is 2 degrees, the other indexable blade 602 and the end face of the knife handle body 100 are kept parallel, and the end faces of the two indexable blades 602 protrude out of the end face of the knife handle body 100. The design of the structure divides the cutting focus of each indexable insert 602, so that the cutting is easier, and the machining precision and the machining efficiency are improved.

The cutting end of the drill 500 is located at the outer side of the indexable insert 602, and is firstly drilled and then spot facing machined, so that the accuracy of the machining position is guaranteed by the drilling and the spot facing machining, the position precision between the spot facing machining and the drilling and the machining is guaranteed, and the machining precision is further improved.

The tool shank body 100 adopts a BT40 taper shank and is connected to a main shaft of a machine tool through the tool shank connector 200, and the tool shank body is a standard interface, so that the tool shank is high in universality and convenient to use; the indexable insert 602 is manufactured from 40Cr steel and has good rigidity and wear resistance.

As shown in fig. 1 and 2, before use, a drill 500 and an indexable insert 602 matched with a workpiece to be machined are selected, the indexable insert 602 is fixed on the shank body 100, then the drill 500 is inserted, a screw in the adjusting assembly 400 is screwed through a through hole at the end of the shank joint 200 by adopting an allen wrench, and the insertion depth of the drill 500 is adjusted, so that the relative height between the drill 500 and the indexable insert 602 is adjusted; then, the set screw 800 is rotated to fix the drill 500 to the shank body 100 (i.e., side-fastening type), the shank adapter 200 is assembled, and the shank body 100 is mounted in the spindle of the machining center, thereby completing the preparation before machining. It should be noted that, since the depth of the hole in the processing groove 900 may be shallow or deep (plus or minus 1-2 mm) or the hole needs to be processed into a through hole, the adjustment accuracy of the drill 500 is relatively low, and is very convenient.

During machining, the drill 500 is first drilled, and as the machining proceeds, the indexable insert 602 gradually contacts the tool and countersinks, i.e., the integrally formed machining process is completed.

Claims (7)

1. The multifunctional drilling countersink indexable integrated knife comprises a knife handle body, wherein a knife handle joint is arranged at one end of the knife handle body, and is characterized in that a drilling tool mounting part is arranged at the center of the other end of the knife handle body, an adjusting component is arranged at one end of the drilling tool mounting part, a drill bit is arranged at the other end of the drilling tool mounting part, an indexable cutting component is arranged on the outer side of the drill bit, the indexable cutting component comprises a blade mounting part, an indexable blade and a locking screw, the blade mounting part is arranged at the end part of the knife handle body in a groove shape, and the indexable blade is fixed in the blade mounting part through the locking screw.

2. The multifunctional drilling countersink indexable integrated knife according to claim 1, wherein a plurality of jackscrew screw holes are formed in the knife handle body, set screws are connected to the jackscrew holes in a threaded mode, and the drill is fixedly connected to the knife handle body in a side fixing mode through the set screws.

3. The multi-function drilling countersink indexable integrated insert of claim 1, wherein the insert mounting portion and the indexable insert are two sets, one of the indexable inserts being at an inner end and the other of the indexable inserts being at an outer end.

4. A multifunctional drilling countersink indexable integrated tool according to claim 3, wherein one indexable insert forms an angle of 2 ° with the end face of the shank body, the other indexable insert is parallel to the end face of the shank body, and the end faces of the two indexable inserts protrude from the end face of the shank body.

5. The multi-function drill countersink indexable insert of claim 1, wherein the cutting end of the drill is outboard of the indexable insert.

6. The multifunctional drilling and countersinking indexable integrated tool according to claim 1, wherein the tool shank body is a BT40 taper shank and is connected to a spindle of a machine tool by the tool shank adapter.

7. The multi-function drilling countersink indexable integral insert of claim 1 wherein the indexable insert is manufactured from 40Cr steel.