CN208811222U - A kind of multi-ladder butt welding reamer - Google Patents
A kind of multi-ladder butt welding reamer Download PDFInfo
- Publication number
- CN208811222U CN208811222U CN201821736652.1U CN201821736652U CN208811222U CN 208811222 U CN208811222 U CN 208811222U CN 201821736652 U CN201821736652 U CN 201821736652U CN 208811222 U CN208811222 U CN 208811222U
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- knife bar
- reamer
- leading portion
- butt welding
- interlude
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Abstract
The utility model discloses a kind of multi-ladder butt welding reamers, including reamer ontology, the reamer ontology includes knife bar, and cutting edge is equipped on the outer circumference surface of knife bar, knife bar is equipped with the cooling duct for running through itself along its axis, and the rear end of knife bar is the clamping end for lathe clamping transmission；It is characterized in that the knife bar includes knife bar leading portion that is being interconnected and fixed and being coaxially set, knife bar interlude and knife bar back segment, and knife bar leading portion, knife bar interlude and knife bar back segment are sequentially connected end to end fixation；The diameter of knife bar leading portion and knife bar back segment is less than the diameter of knife bar interlude so that knife bar is integrally in stepped shaft structure broad in the middle small in ends；And it is corresponding on knife bar leading portion and knife bar interlude to be provided with the cutting edge.The utility model has more convenient processing and manufacturing, can shorten the processing and manufacturing period, can have the advantages that better cooling effect.
Description
Technical field
The utility model relates to reamer technical field more particularly to a kind of multi-ladder butt welding reamers.
Background technique
Reamer is that have one or more cutters tooth, to cut off the rotary cutter of machined hole surface sheet metal, reamer
Rotation finishing tool with straight sword or helical edges, for reaming or repairs hole.Reamer lacks its requirement on machining accuracy because of cutting output
It can be manually operated or be mounted on drilling machine usually above drill bit and work.
Reamer would generally be used to be processed in the finishing of the lesser deep hole in existing aperture (elongated hole).To this
In the finishing of a little deep holes, the length requirement of reamer is greater than the depth for being processed hole, i.e. reamer is integrally in elongated axle construction, this is just
So that reamer is difficult to be processed manufacture, it is very difficult to guarantee the precision of reamer itself.And runner hole can be set along the axial line of reamer,
This runner hole is also very unmanageable.Meanwhile the process-cycle of this reamer also can be very long, so that manufacturing cost increases.
Therefore, a kind of more convenient processing and manufacturing how can be designed, the processing and manufacturing period can be shortened, can be had
There is the multi-ladder butt welding reamer of better cooling effect, becoming those skilled in the art has technical problem to be solved.
Utility model content
In view of the above shortcomings of the prior art, the technical problem to be solved by the utility model is to how to design one kind more
Add and facilitate processing and manufacturing, the processing and manufacturing period can be shortened, there can be the multi-ladder butt welding reamer of better cooling effect.
In order to solve the above-mentioned technical problem, the utility model uses the following technical solution:
A kind of multi-ladder butt welding reamer, including reamer ontology, the reamer ontology includes knife bar, in the excircle of knife bar
Face is equipped with cutting edge, and knife bar is equipped with the cooling duct for running through itself along its axis, and the rear end of knife bar is to clamp to pass for lathe
Dynamic clamping end；It is characterized in that the knife bar includes knife bar leading portion that is being interconnected and fixed and being coaxially set, in knife bar
Between section and knife bar back segment, and knife bar leading portion, knife bar interlude and knife bar back segment are sequentially connected end to end fixation；Knife bar leading portion and knife bar
The diameter of back segment is less than the diameter of knife bar interlude so that knife bar is integrally in stepped shaft structure broad in the middle small in ends；And
It is corresponding on knife bar leading portion and knife bar interlude to be provided with the cutting edge.
In this way, knife bar is designed to several toolholder sections, when processing to above-mentioned reamer, the processing system of progress can be segmented
It makes, reduces the difficulty of processing and manufacturing, and dock again after segmental machining, additionally it is possible to shorten the period of processing and manufacturing.Knife bar is set
Three-stage is counted into, structure is simpler, and it is more reasonable to design.Knife bar is integrally in stepped shaft structure, is made it possible to preferably to rank
Terraced hole is processed.
As optimization, knife bar leading portion and opposite two end faces and knife bar back segment and knife bar interlude phase of knife bar interlude
Pair two end faces be respectively set as the indent V-type face being mutually matched and evagination V-type face, and one group of opposite indent V-type face and
Evagination V-type face is in be affixed and be fixed together.
In this way, the area that knife bar leading portion and knife bar interlude and knife bar back segment and knife bar interlude opposing end surface are affixed is more
Greatly, the reliability of connection can preferably be improved.When it is implemented, being evenly arranged several protrusions on indent V-type face, outside
It is fluted that the protrusion setting is corresponded on convex V-type face；The protrusion is mating correspondingly with the groove；In this way
The relative rotation between two linkage sections can be preferably limited, so that transmission effect is more preferable.
As optimization, it is welded together between opposite one group of indent V-type face and evagination V-type face.
In this way, connection enhanced convenience, and it is more reliable after connection.
As optimization, the apex angle in indent V-type face is 120 °；The apex angle in evagination V-type face is 120 °.
In such manner, it is possible to make the area being affixed in indent V-type face and corresponding evagination V-type face bigger, and can be more
Facilitate docking.
As optimization, the front end of the knife bar leading portion is equipped with chamfering.
In this way, reamer is when in use, the chamfering of knife bar front end has guiding role, can be easy to use.
As optimization, the cutting edge is six of the rounded array distribution centered on knife bar axial line.
In this way, making being more uniformly stressed for knife bar, and it can be improved the processing efficiency of reamer.
As optimization, the material of knife bar leading portion and knife bar interlude is hard alloy steel, and the material of knife bar back segment is matrix
Steel.
In this way, the processing performance of entire reamer is more preferable.And matrix is set by the knife bar back segment for being not provided with cutting edge
Steel can reduce the cost of cutter.
As optimization, be additionally provided with the cooling hole being arranged before being tilted towards on knife bar bar, the inner end of the cooling hole with it is cold
But channel is connected to, and the outer end of cooling hole is connected with the cutting of cutting edge with side.
Each cutting edge is cooled down in such manner, it is possible to convenient, so that entire reamer has a better cooling effect, and
The service life of reamer can preferably be improved.
As optimization, the angle of the cutting side of the cooling hole axial line and cutting edge is less than or equal to 30 degree.
In this way, the coolant liquid flowed out from cooling hole can preferably rinse the chip of cutting edge cutting side surface well,
Enable cutting edge cutting side surface preferably to complete cutwork, and improves the service life of reamer.
As optimization, the front end of cooling duct is provided with seal plug.
In this way, coolant liquid be merely able to from cooling hole flow out, make it possible to distinguish to the cutting edge on each toolholder section into
Row cooling, can be improved cooling effect.
Detailed description of the invention
Structural schematic diagram in Fig. 1 specific embodiment of the present invention.
Fig. 2 is the schematic cross-section of Fig. 1.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
When specific implementation: as depicted in figs. 1 and 2, a kind of multi-ladder butt welding reamer, including reamer ontology, the reamer sheet
Body includes knife bar 1, and cutting edge 2 is equipped on the outer circumference surface of knife bar, and the cooling that knife bar 1 is equipped with along its axis through itself is led to
Road 3, the rear end of knife bar 1 are the clamping end for lathe clamping transmission；The knife bar include be interconnected and fixed and coaxial line set
Knife bar leading portion 4, knife bar interlude 5 and the knife bar back segment 6 set, and knife bar leading portion, knife bar interlude and knife bar back segment successively head and the tail
It is connected and fixed；The diameter of knife bar leading portion and knife bar back segment is less than the diameter of knife bar interlude so that knife bar is integrally in small in ends
Between big stepped shaft structure；And it is corresponding on knife bar leading portion and knife bar interlude to be provided with the cutting edge.
In this way, knife bar is designed to several toolholder sections, when processing to above-mentioned reamer, the processing system of progress can be segmented
It makes, reduces the difficulty of processing and manufacturing, and dock again after segmental machining, additionally it is possible to shorten the period of processing and manufacturing.Knife bar is set
Three-stage is counted into, structure is simpler, and it is more reasonable to design.Knife bar is integrally in stepped shaft structure, is made it possible to preferably to rank
Terraced hole is processed.
In present embodiment, knife bar leading portion and opposite two end faces and knife bar back segment and knife bar of knife bar interlude
Two opposite end faces of interlude are respectively set as the indent V-type face being mutually matched and evagination V-type face, and one group of opposite indent
V-type face and evagination V-type face are in be affixed and be fixed together.
In this way, the area that knife bar leading portion and knife bar interlude and knife bar back segment and knife bar interlude opposing end surface are affixed is more
Greatly, the reliability of connection can preferably be improved.When it is implemented, being evenly arranged several protrusions on indent V-type face, outside
It is fluted that the protrusion setting is corresponded on convex V-type face；The protrusion is mating correspondingly with the groove；In this way
The relative rotation between two linkage sections can be preferably limited, so that transmission effect is more preferable.
In present embodiment, it is welded together between opposite one group of indent V-type face and evagination V-type face.
In this way, connection enhanced convenience, and it is more reliable after connection.
In present embodiment, the apex angle in indent V-type face is 120 °；The apex angle in evagination V-type face is 120 °.
In such manner, it is possible to make the area being affixed in indent V-type face and corresponding evagination V-type face bigger, and can be more
Facilitate docking.
In present embodiment, as optimization, the front end of the knife bar leading portion is equipped with chamfering.
In this way, reamer is when in use, the chamfering of knife bar front end has guiding role, can be easy to use.
In present embodiment, the cutting edge is six of the rounded array distribution centered on knife bar axial line.
In this way, making being more uniformly stressed for knife bar, and it can be improved the processing efficiency of reamer.
In present embodiment, the material of knife bar leading portion and knife bar interlude is hard alloy steel, the material of knife bar back segment
Matter is matrix steel.
In this way, the processing performance of entire reamer is more preferable.And matrix is set by the knife bar back segment for being not provided with cutting edge
Steel can reduce the cost of cutter.
In present embodiment, the cooling hole 7 being arranged before being tilted towards is additionally provided on knife bar bar, the cooling hole
Inner end is connected to cooling duct 3, and the outer end of cooling hole 7 is connected with the cutting side 8 of cutting edge.
Each cutting edge is cooled down in such manner, it is possible to convenient, so that entire reamer has a better cooling effect, and
The service life of reamer can preferably be improved.
In present embodiment, the angle of the cutting side of 7 axial line of cooling hole and cutting edge is less than or equal to
30 degree.
In this way, the coolant liquid flowed out from cooling hole can preferably rinse the chip of cutting edge cutting side surface well,
Enable cutting edge cutting side surface preferably to complete cutwork, and improves the service life of reamer.
In present embodiment, the front end of cooling duct is provided with seal plug 9.
In this way, coolant liquid be merely able to from cooling hole flow out, make it possible to distinguish to the cutting edge on each toolholder section into
Row cooling, can be improved cooling effect.
Claims (10)
1. a kind of multi-ladder butt welding reamer, including reamer ontology, the reamer ontology includes knife bar (1), in the excircle of knife bar
Face is equipped with cutting edge (2), and knife bar (1) is equipped with the cooling duct (3) for running through itself along its axis, and the rear end of knife bar (1) is
For the clamping end of lathe clamping transmission；It is characterized in that, the knife bar includes knife that is being interconnected and fixed and being coaxially set
Bar leading portion (4), knife bar interlude (5) and knife bar back segment (6), and knife bar leading portion, knife bar interlude and knife bar back segment successively head and the tail
It is connected and fixed；The diameter of knife bar leading portion and knife bar back segment is less than the diameter of knife bar interlude so that knife bar is integrally in small in ends
Between big stepped shaft structure；And it is corresponding on knife bar leading portion and knife bar interlude to be provided with the cutting edge.
2. a kind of multi-ladder butt welding reamer as described in claim 1, which is characterized in that knife bar leading portion and knife bar interlude are opposite
Two end faces and knife bar back segment and opposite two end faces of knife bar interlude be respectively set as the indent V-type face being mutually matched
With evagination V-type face, and opposite one group of indent V-type face and evagination V-type face is in being affixed and be fixed together.
3. a kind of multi-ladder butt welding reamer as claimed in claim 2, which is characterized in that opposite one group of indent V-type face and outer
It is welded together between convex V-type face.
4. a kind of multi-ladder butt welding reamer as claimed in claim 2, which is characterized in that the apex angle in indent V-type face is
120°；The apex angle in evagination V-type face is 120 °.
5. a kind of multi-ladder butt welding reamer as described in claim 1, which is characterized in that the front end of the knife bar leading portion (4) is set
There is chamfering.
6. a kind of multi-ladder butt welding reamer as described in claim 1, which is characterized in that the cutting edge is along knife bar axial line
Centered on six of rounded array distribution.
7. a kind of multi-ladder butt welding reamer as described in claim 1, which is characterized in that the material of knife bar leading portion and knife bar interlude
Matter is hard alloy steel, and the material of knife bar back segment is matrix steel.
8. a kind of multi-ladder butt welding reamer as described in claim 1, which is characterized in that be additionally provided with and be tilted towards on knife bar bar
The inner end of the cooling hole (7) of preceding setting, the cooling hole is connected to cooling duct (3), the outer end of cooling hole (7) and cutting edge
Cutting is connected with side (8).
9. a kind of multi-ladder butt welding reamer as claimed in claim 8, which is characterized in that cooling hole (7) axial line with cut
The angle for cutting the cutting side of sword is less than or equal to 30 degree.
10. a kind of multi-ladder butt welding reamer as claimed in claim 8, which is characterized in that be provided in the front end of cooling duct
Seal plug (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821736652.1U CN208811222U (en) | 2018-10-25 | 2018-10-25 | A kind of multi-ladder butt welding reamer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821736652.1U CN208811222U (en) | 2018-10-25 | 2018-10-25 | A kind of multi-ladder butt welding reamer |
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| Publication Number | Publication Date |
|---|---|
| CN208811222U true CN208811222U (en) | 2019-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821736652.1U Active CN208811222U (en) | 2018-10-25 | 2018-10-25 | A kind of multi-ladder butt welding reamer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114535639A (en) * | 2022-03-22 | 2022-05-27 | 贵州贵钢钎具制造有限责任公司 | Drilling method for 90-machine drill bit shank |
-
2018
- 2018-10-25 CN CN201821736652.1U patent/CN208811222U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114535639A (en) * | 2022-03-22 | 2022-05-27 | 贵州贵钢钎具制造有限责任公司 | Drilling method for 90-machine drill bit shank |
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