CN209849947U - Step drill for household furniture - Google Patents
Step drill for household furniture Download PDFInfo
- Publication number
- CN209849947U CN209849947U CN201920359816.1U CN201920359816U CN209849947U CN 209849947 U CN209849947 U CN 209849947U CN 201920359816 U CN201920359816 U CN 201920359816U CN 209849947 U CN209849947 U CN 209849947U
- Authority
- CN
- China
- Prior art keywords
- drill
- drill body
- drillstock
- handle
- edge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Drilling Tools (AREA)
Abstract
The utility model provides a step bores for domestic furniture, includes drillstock and bores the body, bore the body connect in drillstock one end, bore the body and keep away from the one end of drillstock forms the drill point, is equipped with heliciform chip groove along its axial on this drillstock lateral surface, heliciform chip groove have a plurality of and along the drill point extends to the drillstock direction, two back furrow arriss of drill point simultaneously along the chisel edge direction and with the heel arris at drill bit top is coping processing simultaneously and is formed a face of repairment, heliciform chip groove with the juncture of drillstock lateral surface forms heliciform week sword, heliciform week sword includes back of a knife edge and cutting edge, bore the body including first drillstock and second drillstock, the one end of first drillstock forms the drill point, the other end with the second drillstock passes through fixed mode and is connected, the juncture of first drillstock with the second drillstock forms two the same platforms, the spiral chip groove of the first drill body is connected with the spiral chip groove of the second drill body.
Description
Technical Field
The utility model relates to a processing is with boring, especially relates to a step bores for domestic furniture.
Background
In machining, the cutter is the indispensable essential part of processing, and the quality of cutter influences the life of self, also influences machining's quality and production efficiency, and at present, the hole site of product all adopts to bore once processing to come out, to the work piece that the hole is darker and thickness is thicker, produces the hole site skew with man-hour easily to influence product quality and quality.
At present when carrying out drilling operation to furniture, because current drill point body front end edge of a knife is wider, in order to prevent the phenomenon that appears skidding when drilling, generally beat a aperture with the nail in the place that will drill earlier, this kind of operation is very inconvenient and lower work efficiency to the phenomenon of skidding is very common in processing.
Therefore, the above problems are problems that should be considered and solved in the structural design and use of the drill point for home furniture.
SUMMERY OF THE UTILITY MODEL
To the problem that exists, the utility model provides an overcome the defect among the prior art, provide a rational in infrastructure, intensity is high, the effectual step of chip removal bores for domestic furniture of stability can be strong, the chip removal.
The technical solution of the utility model is that: a step drill for household furniture, characterized in that: comprises a drill handle and a drill body, the drill body is connected with one end of the drill handle, one end of the drill body far away from the drill handle forms a drill point, the outer side surface of the drill body is provided with a plurality of spiral chip grooves along the axial direction, the spiral chip grooves extend to the direction of the drill handle along the drill tip, two rear groove edges of the drill tip are simultaneously ground and machined along the direction of the chisel edge and the tail root edge at the top end of the drill bit to form a grinding surface, the junction of the spiral chip groove and the outer side surface of the drill body forms a spiral peripheral edge, the spiral peripheral edge comprises an edge back and an edge band, the drill body comprises a first drill body and a second drill body, one end of the first drill body forms the drill point, the other end of the first drill body is fixedly connected with the second drill body, the joint of the first drill body and the second drill body forms two identical platforms, and the spiral chip groove of the first drill body is connected with the spiral chip groove of the second drill body.
The utility model discloses a further improvement lies in: the other end of the second drill body is connected with one end of the drill handle in an integral fixed connection mode, the outer diameter of the first drill body is smaller than that of the second drill body, the outer diameter of the second drill body is the same as that of the drill handle, the diameter of the first drill body is 1/3 of that of the second drill body, and the first drill body is arranged in the middle of the integral diameter of the second drill body, so that the stress concentration and stability of the first drill body can be guaranteed.
The utility model discloses a further improvement lies in: the spiral exhaust cutting groove is provided with a flow guide slope surface at the tail end, and the flow guide slope surface is convenient for discharging scraps and waste liquid.
The utility model discloses a further improvement lies in: the grinding angle of the grinding surface is in front of the drill tip, a grinding triangular surface is formed between the grinding surface and the adjacent rear cutter surface, one side of the triangular surface is overlapped with the first cutting edge, and the bottom edge of the triangular surface is an arc with an upward opening.
The utility model discloses a further improvement lies in: the drill handle is provided with a circle of dismounting grooves, and when the drill tip enters the tool and needs to be dismounted, the drill tip passes through the dismounting grooves.
The utility model discloses a further improvement lies in: the tail of the drill handle is provided with a circle of raised particles, so that the stability of the drill tip can be ensured.
The utility model discloses a further improvement lies in: the bottom of drillstock is equipped with the face of polishing, the setting of the face of polishing can increase the area of contact of drill point and instrument installation position can play the effect of stable work, improves work efficiency.
The utility model discloses a further improvement lies in: a flow guide plane is arranged between the tail end of the cutting edge zone extending downwards along the central shaft of the drill handle and the cutting edge back, the flow guide plane can achieve the effect similar to that of the flow guide slope surface, and a part of waste chips and waste liquid are discharged out of the drill body through the flow guide plane, so that the working efficiency is improved.
The utility model discloses a further improvement lies in: the groove depth of the spiral chip removal groove of the second drill body is larger than that of the spiral chip removal groove of the first drill body, waste chips generated by the work of punching of the first drill body are less, and waste chips and waste liquid passing through the second drill body are more, so that the groove depth is deeper.
The utility model discloses a further improvement lies in: the tip of the drill tip end is made of cubic boron nitride, and the material has extremely high hardness and high temperature resistance.
The utility model has the advantages that:
1. the step drill for the household furniture is provided, two parts are arranged on the drill body, and the outer diameter of the drill tip part is smaller than that of the other parts, so that the position of a small hole positioning hole is drilled at the front end of the drill body, and then the rear end of the drill body is processed, the problem of hole position deflection can be effectively solved, and the quality of a product is improved;
2. the depth of the spiral chip removal groove is increased, so that cutting fluid can more conveniently flow into a cutting area, the temperature of a cutting edge is reduced, the abrasion of the cutting edge is reduced, the durability of the milling cutter is improved, and chip removal is facilitated;
3. the tail part of the spiral cutting groove is provided with the flow guide plane, so that chips can be removed more smoothly, the high temperature generated by the cutting edge in the machining process can be rapidly reduced, the machining speed is increased, the durability of the milling cutter is also improved, the operation is safer, and the production efficiency is greatly improved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a top view of the tip of the present invention;
fig. 3 is a side view of the tip of the present invention.
Wherein: 1-drill handle, 2-drill body, 3-drill tip, 4-spiral chip groove, 5-guide slope surface, 6-spiral peripheral edge, 7-edge back, 8-edge band, 9-guide plane, 10-first drill body, 11-second drill body, 12-grinding surface, 13-rear cutter surface, 14-grinding triangular surface and 15-first cutting edge.
Detailed Description
In order to deepen the understanding of the present invention, the present invention will be described in further detail with reference to the accompanying drawings and embodiments, which are only used for explaining the present invention and are not limited to the protection scope of the present invention.
As shown in the figure: the technical solution of the embodiment is as follows: the utility model provides a step bores for domestic furniture, includes drillstock 1 and drillstock 2, drillstock 2 connect in drillstock 1 one end, drillstock 2 keeps away from drillstock 1's one end forms drill tip 3, two back furrow edges of drill tip simultaneously along the chisel edge direction and with the tail root arris coping processing at drill bit top forms a coping face 12 simultaneously, coping face 12's coping angle drill tip 3 in front, form a triangular face 14 between coping face 12 and the adjacent back knife face 13, one side of triangular face 14 with 15 coincidence of first coping edge, its base is the ascending arc of opening. The tip of the end part of the drill tip 3 is made of cubic boron nitride, the material has extremely high hardness and high temperature resistance, spiral chip grooves 4 are arranged on the outer side surface of the drill body 2 along the axial direction of the drill tip, the tail end of each spiral chip groove 4 is provided with a flow guide slope surface 5, the flow guide slope surfaces 5 are arranged to facilitate the discharge of waste chips and waste liquid, two spiral chip grooves 4 extend along the direction from the drill tip 3 to the drill handle 1, a spiral peripheral edge 6 is formed at the junction of each spiral chip groove 4 and the outer side surface of the drill body 2, each spiral peripheral edge 6 comprises an edge back 7 and an edge strip 8, a flow guide plane 9 is arranged between the tail end of each edge strip 8 extending downwards along the central shaft of the drill handle 1 and the edge back 7, the flow guide plane 9 has the effect similar to that of the flow guide slope surface 5, and a part of the waste chips and the waste liquid are discharged out of the drill body through the flow guide plane, the working efficiency is improved, and the working efficiency is improved,
the drill body 2 comprises a first drill body 10 and a second drill body 11, one end of the first drill body 10 forms the drill tip 3, the other end of the first drill body is connected with the second drill body 11 in a fixed mode, the other end of the second drill body 11 is connected with one end of the drill handle 1 in a whole and in a fixed connection mode, the outer diameter of the first drill body 10 is smaller than that of the second drill body 11, two identical platforms 12 are formed at the joint of the first drill body 11 and the second drill body 10, the spiral chip discharge groove 4 of the first drill body 10 is connected with the spiral chip discharge groove 4 of the second drill body 11, the outer diameter of the second drill body 11 is the same as that of the drill handle 1, the intersection position of one end of the second drill body 11 and the drill handle 1 is of an integral structure, and the diameter of the first drill body 10 is 1/3 of the diameter of the second drill body 11, first brill body 10 sets up the second bores the intermediate position of the whole diameter of body 11, can guarantee that its atress is concentrated and stable, the second bores the heliciform chip groove 4 of body 11 the groove depth and is greater than the heliciform chip groove 4 of first brill body 10, first brill body 10 only needs to carry out the produced sweeps of the work that punches less, and passes through the second bores the sweeps and the waste liquid of body 11 more, so the groove depth that sets up is darker, be equipped with round dismantlement groove 12 on the drillstock 1, the afterbody of drillstock 1 is equipped with round protruding granule 13, the bottom of drillstock 1 is equipped with the face of polishing 14.
Utility model's beneficial effect:
1. the step drill for the household furniture is provided, two parts are arranged on the drill body, and the outer diameter of the drill tip part is smaller than that of the other parts, so that the position of a small hole positioning hole is drilled at the front end of the drill body, and then the rear end of the drill body is processed, the problem of hole position deflection can be effectively solved, and the quality of a product is improved;
2. the depth of the spiral chip removal groove is increased, so that cutting fluid can more conveniently flow into a cutting area, the temperature of a cutting edge is reduced, the abrasion of the cutting edge is reduced, the durability of the milling cutter is improved, and chip removal is facilitated;
3. the tail part of the spiral cutting groove is provided with the flow guide plane, so that chips can be removed more smoothly, the high temperature generated by the cutting edge in the machining process can be rapidly reduced, the machining speed is increased, the durability of the milling cutter is also improved, the operation is safer, and the production efficiency is greatly improved.
It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A step drill for household furniture, characterized in that: comprises a drill handle and a drill body, the drill body is connected with one end of the drill handle, one end of the drill body far away from the drill handle forms a drill point, the outer side surface of the drill body is provided with a plurality of spiral chip grooves along the axial direction, the spiral chip grooves extend to the direction of the drill handle along the drill tip, two rear groove edges of the drill tip are simultaneously ground and machined along the direction of the chisel edge and the tail root edge at the top end of the drill body to form a grinding surface, the junction of the spiral chip groove and the outer side surface of the drill body forms a spiral peripheral edge, the spiral peripheral edge comprises an edge back and an edge band, the drill body comprises a first drill body and a second drill body, one end of the first drill body forms the drill point, the other end of the first drill body is fixedly connected with the second drill body, the joint of the first drill body and the second drill body forms two identical platforms, and the spiral chip groove of the first drill body is connected with the spiral chip groove of the second drill body.
2. The step drill of claim 1, wherein: the other end of the second drill body is connected with one end of the drill handle in an integral fixed connection mode, the outer diameter of the first drill body is smaller than that of the second drill body, the outer diameter of the second drill body is the same as that of the drill handle, and the diameter of the first drill body is 1/3 of that of the second drill body.
3. The step drill of claim 1, wherein: and the tail end of the spiral row cutting groove is provided with a flow guide slope surface.
4. The step drill of claim 1, wherein: the grinding angle of the grinding surface is that a grinding triangular surface is formed between the grinding surface and the adjacent rear cutter surface in front of the drill tip, one side of the triangular surface is overlapped with the first cutting edge, and the bottom edge of the triangular surface is an arc with an upward opening.
5. The step drill of claim 1, wherein: the drill handle is provided with a circle of dismounting grooves.
6. The step drill of claim 5, wherein: the tail of the drill handle is provided with a circle of raised particles.
7. The step drill of claim 5, wherein: the bottom of the drill handle is provided with a grinding surface.
8. The step drill of claim 1, wherein: and a flow guide plane is arranged between the tail end of the cutting edge extending downwards along the central shaft of the drill handle and the cutting edge back.
9. The step drill of claim 1, wherein: the groove depth of the spiral chip groove of the second drill body is larger than that of the spiral chip groove of the first drill body.
10. The step drill of claim 1, wherein: the tip of the drill tip end is made of cubic boron nitride.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920359816.1U CN209849947U (en) | 2019-03-21 | 2019-03-21 | Step drill for household furniture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920359816.1U CN209849947U (en) | 2019-03-21 | 2019-03-21 | Step drill for household furniture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209849947U true CN209849947U (en) | 2019-12-27 |
Family
ID=68934339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920359816.1U Expired - Fee Related CN209849947U (en) | 2019-03-21 | 2019-03-21 | Step drill for household furniture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209849947U (en) |
-
2019
- 2019-03-21 CN CN201920359816.1U patent/CN209849947U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1925386B1 (en) | Drill bit with high performance for chip removal | |
| CN209849947U (en) | Step drill for household furniture | |
| CN207255324U (en) | A kind of arc groove siding track molding cutter | |
| CN205362794U (en) | Novel drilling head | |
| CN202318477U (en) | Four-groove gang drill | |
| CN215202472U (en) | Cutter for drilling | |
| CN204770958U (en) | Tapering reamer | |
| CN212121807U (en) | High-strength twist drill | |
| CN209716534U (en) | A kind of three cutting drills | |
| CN209318876U (en) | A kind of profile milling cutter being exclusively used in the processing of sealing ring hole location | |
| CN203109310U (en) | Welding diamond drill reamer | |
| CN103084630B (en) | Hole making drill | |
| CN207710013U (en) | A kind of PCD reamers | |
| CN211164423U (en) | Straight rake angle flat drill with grooved conical screw end edge | |
| CN206230064U (en) | A kind of vortex ripple cutting drill milling integrated knife | |
| CN217648569U (en) | Flat drill convenient for chip removal | |
| CN210937340U (en) | Single-edge milling cutter | |
| CN2037278U (en) | Dual blade rotary centre flat-inlaid compound bit | |
| CN216421176U (en) | Self-centering abrasive drill | |
| CN207770923U (en) | A kind of diamond blade | |
| CN214644471U (en) | Point cutting woodworking tool | |
| CN209851150U (en) | Special drilling bit for wood | |
| CN217121856U (en) | Multi-blade tip chip dividing drill | |
| CN208542988U (en) | A kind of welding alloy brill | |
| CN219027830U (en) | Woodworking drill bit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191227 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |