CN208644165U - A kind of hole machined wolfram steel reaming bit - Google Patents
A kind of hole machined wolfram steel reaming bit Download PDFInfo
- Publication number
- CN208644165U CN208644165U CN201821422416.2U CN201821422416U CN208644165U CN 208644165 U CN208644165 U CN 208644165U CN 201821422416 U CN201821422416 U CN 201821422416U CN 208644165 U CN208644165 U CN 208644165U
- Authority
- CN
- China
- Prior art keywords
- reaming
- cutter
- axis
- chip removal
- storage bits
- 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
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Abstract
The utility model discloses a kind of hole machined wolfram steel reaming bits, including reaming cutter and knife handle, the reaming cutter front end is provided with counter-bore head, spiral cutter teeth is provided on reaming cutter, chip space is provided between spiral cutter teeth, it is provided with chip removal axis between reaming cutter and knife handle, is provided with helical blade on the chip removal axis；The counter-bore head includes end axis, is provided with taper cutter tooth on the end axis, taper cutter tooth rear end is concordant with spiral cutter teeth；End axis front end is provided with arc groove；Nail collection slot is provided in the middle part of the arc groove, the chip removal shaft rear end is provided with storage bits cylinder, the storage bits cylinder is sleeved on the outside of chip removal axis, storage bits cylinder front opening, the utility model provide a kind of hole machined wolfram steel reaming bit, and structure setting is ingenious and connection and reasonable arrangement, the utility model effectively avoids clast in reaming procedure from influencing hole wall, hole quality is improved, in addition facilitates collection cleared of debris, avoiding clast from overflowing influences operating environment.
Description
Technical field
The utility model relates to broad technical field, specially a kind of hole machined wolfram steel reaming bit.
Background technique
The chip removal shaft rear end is provided with storage bits cylinder, and the storage bits cylinder is sleeved on the outside of chip removal axis, storage bits cylinder front opening,
Chip removal axis stretches out on front side of storage bits cylinder, and storage bits tube rear end is fixed on knife handle end；Reamer is generally used for semifinishing or the end in hole
Processing has 3 to 4 lands, no chisel edge, anterior angle and relief angle along cutting for the expansion of preprocessing or blank hole before cutting with scissors or grinding
The variation of sword is small, and guide effect is good when processing, and axial drag is small, and machining condition is better than drilling, the area of drill bit, reamer and reamer
Be not: reamer is cut using side edge, the hole that the dimensional accuracy that drill bit is drilled out is not high, hole wall finish is not high,
Twist by reamer and cut, the precision in hole, finish is made to reach requirement.Drill bit be by apex point, cutting edge and chip space (spiral or
Straight trough) it constitutes, it is mainly used for the workpiece hole machined of not precast hole, the general cylindricity in the hole processed and roughness are poor；Expand
Hole drill is that (welding blade reamer) is made of cutting edge and chip space, is mainly used for there is the hole of precast hole or bottom outlet to be expanded
Big and raising cylindricity and roughness, but hole at this time still cannot be used as pin hole；Reamer: it is made of cutting edge and chip space
(generally whole hard alloy) is mainly used for improving the cylindricity and roughness of bottom outlet；
However traditional reamer bit structure is stiff, it has not been convenient to enter in hole axle to be drilled, in addition reaming bit operation process
Middle inconvenience cleared of debris, and then be easy to be influenced hole wall quality by clast.
Utility model content
The purpose of this utility model is to provide a kind of hole machined wolfram steel reaming bits, to solve in above-mentioned background technique
The problem of proposition.
To achieve the above object, the utility model provides the following technical solutions:
A kind of hole machined wolfram steel reaming bit, including reaming cutter and knife handle, the reaming cutter front end are provided with expansion
Hole head is provided with spiral cutter teeth on reaming cutter, chip space is provided between spiral cutter teeth, is arranged between reaming cutter and knife handle
There is chip removal axis, is provided with helical blade on the chip removal axis.
Preferably, the counter-bore head includes end axis, is provided with taper cutter tooth, taper cutter tooth rear end and spiral on the end axis
Cutter tooth is concordant.
Preferably, end axis front end is provided with arc groove, facilitates storage holes bottom clast.
Preferably, it is provided with nail collection slot in the middle part of the arc groove, greatly improves bottom hole clast capacity.
Preferably, the chip removal shaft rear end is provided with storage bits cylinder, and the storage bits cylinder is sleeved on the outside of chip removal axis, before storage bits cylinder
End opening, chip removal axis stretch out on front side of storage bits cylinder, and storage bits tube rear end is fixed on knife handle end.
Preferably, it is provided with crumb mouth on the storage bits tube rear end side wall, sealing bolt, institute is provided on the crumb mouth
Sealing bolt is stated to be threadedly coupled with crumb mouth.
Preferably, the reaming cutter is made of W18Cr4V high-speed steel, and the knife handle is made of No. 45 steel.
Compared with prior art, the utility model has the beneficial effects that the utility model provides a kind of hole machined wolfram steel
Reaming bit, structure setting is ingenious and connection and reasonable arrangement, the ingenious setting counter-bore head of the utility model, the upper conical cutter tooth of counter-bore head are square
Just reaming cutter enters hole to be drilled internal, and in addition counter-bore head front end inner arc slot, facilitates the drilling cuttings at receiving hole bottom, avoids drilling cuttings four
Overflowing influences reaming cutter operation, while the spiral cutter teeth on reaming cutter, and device to hole side wall is facilitated to carry out milling, improves hole wall matter
Amount, while the clast in chip space is delivered up by spiral cutter teeth during rotation, and at the top of access aperture, drains axis in Kong Ding
Portion's rotation, excretion axis drive helical blade rotation, and helical blade, which will consider to be worth doing, to be discharged into from inside to outside in storage bits cylinder from hole, pass through taking-up
Sealing bolt facilitates cleans up the clast in storage bits cylinder from storage bits cylinder, and then effectively avoids in reaming procedure clast to hole wall
It influences, improves hole quality, in addition facilitate collection cleared of debris, avoiding clast from overflowing influences operating environment.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of hole machined wolfram steel reaming bit；
Fig. 2 is counter-bore head front view in hole machined wolfram steel reaming bit.
In figure: 1- reaming cutter, 2- taper cutter tooth, the end 3- axis, 4- arc groove, 5- nail collection slot, 6- helical blade, 7- chip removal
Axis, 8- sealing bolt, the crumb mouth 9-, 10- knife handle, 11- storage bits cylinder, 12- spiral cutter teeth, 13- chip space.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment 1: please referring to Fig. 1~2, and the utility model provides a kind of technical solution: a kind of hole machined wolfram steel reaming
Drill bit, including reaming cutter 1 and knife handle 10,1 front end of reaming cutter are provided with counter-bore head, are provided with spiral shell on reaming cutter 1
Rotary knife tooth 12 is provided with chip space 13 between spiral cutter teeth 12, chip removal axis 7 is provided between reaming cutter 1 and knife handle 10, described
Helical blade 6 is provided on chip removal axis 7.
The counter-bore head includes end axis 3, is provided with taper cutter tooth 2,2 rear end of taper cutter tooth and circular knife on the end axis 3
Tooth 12 is concordant.
3 front end of end axis is provided with arc groove 4.
Nail collection slot 5 is provided in the middle part of the arc groove 4.
The reaming cutter 1 is made of W18Cr4V high-speed steel, and the knife handle 10 is made of No. 45 steel.
Embodiment 2: the distinguishing feature between the present embodiment and embodiment 1:
7 rear end of chip removal axis is provided with storage bits cylinder 11, and the storage bits cylinder 11 is sleeved on 7 outside of chip removal axis, storage bits cylinder 11
Front opening, chip removal axis 7 stretch out 11 front side of storage bits cylinder, and storage bits 11 rear end of cylinder is fixed on 10 end of knife handle.
It is provided with crumb mouth 9 on the storage bits 11 rear end side wall of cylinder, sealing bolt 8 is provided on the crumb mouth 9, it is described
Sealing bolt 8 is threadedly coupled with crumb mouth 9.
The working principle of the utility model is: the utility model provides a kind of hole machined wolfram steel reaming bit, structure is set
Set ingenious and connection and reasonable arrangement, the ingenious setting counter-bore head of the utility model, the upper conical cutter tooth of counter-bore head, facilitate reaming cutter enter to
In vivo, in addition counter-bore head front end inner arc slot, facilitates the drilling cuttings at receiving hole bottom for drilling, and avoiding drilling cuttings from overflowing influences reaming cutter work
Industry, while the spiral cutter teeth on reaming cutter facilitate device to hole side wall to carry out milling, improve hole wall quality, while spiral cutter teeth exists
The clast in chip space is delivered up in rotation process, and at the top of access aperture, excretion axis rotates at the top of hole, and excretion axis drives
Helical blade rotation, helical blade, which will consider to be worth doing, to be discharged into from inside to outside in storage bits cylinder from hole, is facilitated and will be stored up by taking out sealing bolt
Clast in bits cylinder is cleaned up from storage bits cylinder, and then clast in reaming procedure is effectively avoided to influence hole wall, improves pore-forming matter
Amount, in addition facilitates collection cleared of debris, avoiding clast from overflowing influences operating environment.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (7)
1. a kind of hole machined wolfram steel reaming bit, including reaming cutter and knife handle, it is characterised in that: the reaming cutter front end
It is provided with counter-bore head, spiral cutter teeth is provided on reaming cutter, chip space, reaming cutter and knife handle are provided between spiral cutter teeth
Between be provided with chip removal axis, be provided with helical blade on the chip removal axis.
2. hole machined according to claim 1 wolfram steel reaming bit, it is characterised in that: the counter-bore head includes end axis,
Taper cutter tooth is provided on the end axis, taper cutter tooth rear end is concordant with spiral cutter teeth.
3. hole machined according to claim 2 wolfram steel reaming bit, it is characterised in that: end axis front end is provided with arc
Shape slot.
4. hole machined according to claim 3 wolfram steel reaming bit, it is characterised in that: be provided in the middle part of the arc groove
Nail collection slot.
5. hole machined according to claim 1 wolfram steel reaming bit, it is characterised in that: the chip removal shaft rear end is provided with
Storage bits cylinder, the storage bits cylinder are sleeved on the outside of chip removal axis, and storage bits cylinder front opening, chip removal axis stretches out on front side of storage bits cylinder, storage bits cylinder
Rear end is fixed on knife handle end.
6. hole machined according to claim 5 wolfram steel reaming bit, it is characterised in that: on the storage bits tube rear end side wall
It is provided with crumb mouth, sealing bolt is provided on the crumb mouth, the sealing bolt is threadedly coupled with crumb mouth.
7. -6 any hole machined wolfram steel reaming bit according to claim 1, it is characterised in that: the reaming cutter by
W18Cr4V high-speed steel is made, and the knife handle is made of No. 45 steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821422416.2U CN208644165U (en) | 2018-08-31 | 2018-08-31 | A kind of hole machined wolfram steel reaming bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821422416.2U CN208644165U (en) | 2018-08-31 | 2018-08-31 | A kind of hole machined wolfram steel reaming bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208644165U true CN208644165U (en) | 2019-03-26 |
Family
ID=65791967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821422416.2U Expired - Fee Related CN208644165U (en) | 2018-08-31 | 2018-08-31 | A kind of hole machined wolfram steel reaming bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208644165U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113236133A (en) * | 2021-05-28 | 2021-08-10 | 武汉市汉阳市政建设集团有限公司 | Reaming reamer structure for rock excavation |
-
2018
- 2018-08-31 CN CN201821422416.2U patent/CN208644165U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113236133A (en) * | 2021-05-28 | 2021-08-10 | 武汉市汉阳市政建设集团有限公司 | Reaming reamer structure for rock excavation |
| CN113236133B (en) * | 2021-05-28 | 2024-04-12 | 武汉市汉阳市政建设集团有限公司 | Reaming reamer structure for rock excavation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190326 Termination date: 20200831 |