CN203711899U - Composite drill used for processing sand shooting hole - Google Patents
Composite drill used for processing sand shooting hole Download PDFInfo
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- CN203711899U CN203711899U CN201420056088.4U CN201420056088U CN203711899U CN 203711899 U CN203711899 U CN 203711899U CN 201420056088 U CN201420056088 U CN 201420056088U CN 203711899 U CN203711899 U CN 203711899U
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Abstract
The utility model discloses a composite drill used for processing a sand shooting hole. The sand shooting hole is a step hole and comprises a big end hole with a first depth, a small end hole with a second depth and a conical hole which is used for connecting the big end hole with the small end hole and is provided with a third depth; the composite drill comprises a drill stem body and blades; the drill stem body comprises a big cylindrical part, a small cylindrical part and a cone part which is used for connecting the big cylindrical part with the small cylindrical part; the depths of the big cylindrical part, the small cylindrical part and the cone part respectively correspond to the first depth, the second depth and the third depth; the blades comprise a drill hole blade and a plurality of chambering blades; the drill hole blade is mounted at the front end of the small cylindrical part; at least one of the chambering blades is mounted at the narrowest end of the cone part; at least another of the chambering blades is mounted at the widest end of the cone part. The composite drill can be used for one-time processing molding of a sand shooting hole to be processed, the processing precision of the sand shooting hole is ensured, and the processing efficiency is improved.
Description
Technical field
The utility model relates to Mould Machining field, particularly a kind of composite drill of processing sand-spraying hole.
Background technology
In core manufacture process, need to use core shooter penetrates and gets core, naturally, on mould, need to process sand-spraying hole, general sand-spraying hole is shoulder hole, comprise large stomidium and little stomidium, between large stomidium and little stomidium, pass through taper hole (such as 60 degree conical surface holes) transition, at present, the technological process of general processing sand-spraying hole is: first use through hole fluted drill or Indexable Drills for Shallow Holes to process certain degree of depth at small end place, then the workpiece that overturns, with Indexable Drills for Shallow Holes, at large end place, process appropriate depth, finally, use formed drill to process complete sand-spraying hole.
In above-mentioned process, need to use three cutters, inefficiency, meanwhile, in process, need the workpiece that overturns, tool setting again after upset workpiece, will certainly produce error, make the large end of sand-spraying hole and the axiality of small end produce deviation, machining accuracy is lower.
Utility model content
The utility model is in order to overcome defect in above-mentioned prior art, and a kind of composite drill of processing sand-spraying hole is provided, and with the disposable machine-shaping of the sand-spraying hole to be processed, guarantees the machining accuracy of sand-spraying hole, improves working (machining) efficiency.
For realizing above-mentioned utility model object, the utility model provides a kind of composite drill of processing sand-spraying hole, sand-spraying hole is shoulder hole, comprise and there is the large stomidium of first degree of depth, the little stomidium of second degree of depth and connect the bellmouth with the 3rd degree of depth of large stomidium and little stomidium, composite drill comprises: drilling rod body, the conical section that it comprises big column part, small column part and is connected this big column part and small column part, the degree of depth of this big column part, small column part and conical section corresponds respectively to first degree of depth, second degree of depth and the 3rd degree of depth; Blade, it comprises drill plate and a plurality of reaming blade, drill plate is arranged on the front end of small column part, and at least one in a plurality of reaming blades is arranged on the narrowest end of conical section, in a plurality of reaming blades at least another is arranged on the widest end of conical section.
In technique scheme, along drilling rod body shaft to sidewall be provided with chip area.
In technique scheme, the front end of small column part is provided with the first mounting groove that drill plate is installed, and the sidewall of the first mounting groove and chip area connects, and drill plate is arranged in the first mounting groove.
In technique scheme, the conical section of drilling rod body is provided with a plurality of the second mounting grooves that reaming blade is installed, and the sidewall of the second mounting groove and chip area connects, and reaming blade is arranged in the second mounting groove.
In technique scheme, drill plate is all arranged in the first mounting groove and the second mounting groove by screw is corresponding with reaming blade.
In technique scheme, be provided with interior cold hole in the inside of drilling rod body, the sidewall of interior cold hole and chip area connects.
In technique scheme, at the tail end of drilling rod body, be provided with the drillstock with flat position.
Compared with prior art, the utlity model has following beneficial effect: by designing integrated notch cuttype drilling rod body and being arranged on the blade of drilling rod body, drilling rod body comprises big column part, small column part and the conical section that is connected this big column part and small column part, this big column part, the degree of depth of small column part and conical section corresponds respectively to first degree of depth of sand-spraying hole to be processed, second degree of depth and the 3rd degree of depth, blade comprises a plurality of reaming blades of the centrum part that is arranged on the drill plate of drilling rod body front end and is arranged on drilling rod body, this composite drill can the disposable machine-shaping to sand-spraying hole to be processed, guarantee the machining accuracy of sand-spraying hole, improve working (machining) efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of sand-spraying hole to be processed in the utility model embodiment;
Fig. 2 is the structural representation of the composite drill of processing sand-spraying hole of the present utility model.
Mark the following drawings mark thereon by reference to the accompanying drawings:
1-drilling rod body, A-big column part, B-small column part, C-conical section, 11-chip area, cold hole in 12-, 13-drillstock, 21-reaming blade, 22-drill plate.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described in detail, but is to be understood that protection domain of the present utility model is not subject to the restriction of the specific embodiment.
As shown in Figure 1, the composite drill of processing sand-spraying hole of the present utility model is specially for processing mold sand-spraying hole designs, in the present embodiment, needing the sand-spraying hole of processing is shoulder hole, comprise and have the large stomidium 10 of first degree of depth, the small end hole 20 of second degree of depth and connect the bellmouth with the 3rd degree of depth 30 of large stomidium and little stomidium, it is example explanation that the bellmouth 30 of the present embodiment be take 60 degree conical surface holes.The composite drill of processing sand-spraying hole of the present utility model can disposablely put this in place sand-spraying hole processing, guarantees the machining accuracy of sand-spraying hole, and composite drill is simple in structure, greatly improves working (machining) efficiency.
As shown in Figure 2, the composite drill of processing sand-spraying hole of the present utility model comprises integrated drilling rod body 1 and blade, and blade comprises drill plate 22 and a plurality of reaming blade 21.Drilling rod body 1 comprises big column part A, small column part B and the conical section C that is connected this big column part A and small column part B, and the degree of depth of this big column part A, small column part B and conical section C corresponds respectively to first degree of depth of sand-spraying hole, second degree of depth and the 3rd degree of depth.Drill plate 22 is arranged on the front end of small column part B, at least one in a plurality of reaming blades 21 is arranged on the narrowest end of conical section C, in a plurality of reaming blades 21 at least another is arranged on the widest end of conical section C, it is example that the present embodiment be take two reaming blades, correspondence is arranged on the two ends of conical section C respectively, and the blade rotation cone angle of reaming blade 21 is α.Adding man-hour, drill plate 22 completes preparatory processing, and complete the moulding in the small end hole 20 of sand-spraying hole, the hole that 21 pairs of drill plate 22 preparatory processings of a plurality of reaming blades go out is carried out reaming processing and is completed the moulding of large stomidium 10, when small end hole 20 puts in place with large stomidium 10 processing, reaming blade 21 just completes the moulding of bellmouth 30.
As a kind of preferred embodiment, along being provided with chip area 11 on the axial sidewall of drilling rod body 1, front end at small column part B is provided with the first mounting groove (unmarked in figure) that drill plate 22 is installed, the sidewall of the first mounting groove and chip area 11 connects, and drill plate 22 is arranged in the first mounting groove.At the conical section C of drilling rod body 1, be provided with a plurality of the second mounting grooves (unmarked in figure) that reaming blade 21 is installed, the sidewall of the second mounting groove and chip area 11 connects, and reaming blade 21 is arranged in the second mounting groove.Drill plate 22 is all arranged in the first mounting groove and the second mounting groove by screw is corresponding with reaming blade 21.In the inside of drilling rod body 1, be provided with interior cold hole 12, the sidewall of interior cold hole and chip area 11 connects, and is adding man-hour, and cooling fluid enters from interior cold hole 12, from inside, drilling rod body and blade are carried out coolingly, utilize the pressure of cooling fluid that smear metal is discharged by chip area 11 simultaneously.For fixing drilling rod body 1, at the tail end of drilling rod body 1, be provided with the drillstock 13 with flat position.
In such scheme, drilling rod body 1 axially on chip area 11 is set, play on the one hand the effect of discharging smear metal, facilitate on the other hand drill plate 22 and a plurality of reaming blades 21 are installed, because the first mounting groove and the second mounting groove can be separately positioned on the sidewall of chip area 11, utilize the convenient fixedly drill plate 22 of screw and a plurality of reaming blades 21.
Disclosed is above only specific embodiment of the utility model, and still, the utility model is not limited thereto, and the changes that any person skilled in the art can think of all should fall into protection domain of the present utility model.
Claims (7)
1. a composite drill of processing sand-spraying hole, described sand-spraying hole is shoulder hole, comprise and have the large stomidium of first degree of depth, the little stomidium of second degree of depth and connect the bellmouth with the 3rd degree of depth of described large stomidium and described little stomidium is characterized in that, described composite drill comprises:
Drilling rod body, the conical section that it comprises big column part, small column part and is connected this big column part and small column part, the degree of depth of this big column part, small column part and conical section corresponds respectively to described first degree of depth, second degree of depth and the 3rd degree of depth;
Blade, it comprises drill plate and a plurality of reaming blade, described drill plate is arranged on the front end of described small column part, at least one in described a plurality of reaming blade is arranged on the narrowest end of described conical section, in described a plurality of reaming blades at least another is arranged on the widest end of described conical section.
2. the composite drill of processing sand-spraying hole according to claim 1, is characterized in that, along described drilling rod body shaft to sidewall be provided with chip area.
3. the composite drill of processing sand-spraying hole according to claim 2, it is characterized in that, the front end of described small column part is provided with the first mounting groove that described drill plate is installed, and the sidewall of described the first mounting groove and described chip area connects, and described drill plate is arranged in described the first mounting groove.
4. the composite drill of processing sand-spraying hole according to claim 3, it is characterized in that, the conical section of described drilling rod body is provided with a plurality of the second mounting grooves that described reaming blade is installed, the sidewall of described the second mounting groove and described chip area connects, and described reaming blade is arranged in described the second mounting groove.
5. the composite drill of processing sand-spraying hole according to claim 4, is characterized in that, described drill plate is all arranged in described the first mounting groove and described the second mounting groove by screw is corresponding with described reaming blade.
6. according to the composite drill of the processing sand-spraying hole described in claim 2 to 5 any one, it is characterized in that, be provided with interior cold hole in the inside of described drilling rod body, the sidewall of described interior cold hole and described chip area connects.
7. the composite drill of processing sand-spraying hole according to claim 6, is characterized in that, at the tail end of described drilling rod body, is provided with the drillstock with flat position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420056088.4U CN203711899U (en) | 2014-01-29 | 2014-01-29 | Composite drill used for processing sand shooting hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420056088.4U CN203711899U (en) | 2014-01-29 | 2014-01-29 | Composite drill used for processing sand shooting hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203711899U true CN203711899U (en) | 2014-07-16 |
Family
ID=51151098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420056088.4U Expired - Fee Related CN203711899U (en) | 2014-01-29 | 2014-01-29 | Composite drill used for processing sand shooting hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203711899U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103737055A (en) * | 2014-01-29 | 2014-04-23 | 广西玉柴机器股份有限公司 | Combined drill for machining sand shooting hole |
| CN106903350A (en) * | 2017-04-24 | 2017-06-30 | 大连理工大学 | The sharp interchangeable cylindrical drill of sword twin-stage of fibre reinforced composites drilling |
-
2014
- 2014-01-29 CN CN201420056088.4U patent/CN203711899U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103737055A (en) * | 2014-01-29 | 2014-04-23 | 广西玉柴机器股份有限公司 | Combined drill for machining sand shooting hole |
| CN106903350A (en) * | 2017-04-24 | 2017-06-30 | 大连理工大学 | The sharp interchangeable cylindrical drill of sword twin-stage of fibre reinforced composites drilling |
| CN106903350B (en) * | 2017-04-24 | 2018-08-21 | 大连理工大学 | The sharp interchangeable cylindrical drill of sword twin-stage of fibre reinforced composites drilling |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140716 Termination date: 20190129 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |