CN202639363U - Processing device for diameter-changing counter bore - Google Patents
Processing device for diameter-changing counter bore Download PDFInfo
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- CN202639363U CN202639363U CN 201220263183 CN201220263183U CN202639363U CN 202639363 U CN202639363 U CN 202639363U CN 201220263183 CN201220263183 CN 201220263183 CN 201220263183 U CN201220263183 U CN 201220263183U CN 202639363 U CN202639363 U CN 202639363U
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- reducing
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Abstract
The utility model discloses a processing device for a diameter-changing counter bore. The processing device comprises a milling cutter (1) and a boring cutter (2). The shape of a working section of a blade of the milling cutter (1) is the same as the shape of the edge line of the section of an upper bore of the diameter-changing counter bore, and the shape of a working section of a blade of the boring cutter (2) is the same as the shape of the edge line of the section of a lower bore of the diameter-changing counter bore. When the processing device for the diameter-changing counter bore is used, the milling cutter is utilized to process the upper bore of the diameter-changing counter bore, the boring cutter is utilized to only process the lower bore portion of the diameter-changing counter bore, a structure of the used boring cutter is simplified, a processing process of the boring cutter is simple, a structure of the milling cutter is simple simultaneously, and the processing device for the diameter-changing counter bore is low in manufacturing cost and also low in maintenance cost.
Description
Technical field
The utility model relates to machinery manufacturing technology field, relates in particular to a kind of processing unit (plant) of reducing counterbore.
Background technology
In machine-building, often need to process the reducing counterbore, such as engine cylinder hole.Wherein, the reducing counterbore comprises hole and lower hole, and shape and/or the size in upper hole and lower hole are not identical.
In the prior art, normal operation reducing boring cutter processing reducing counterbore, but the structure of reducing boring cutter is complicated, and processing technology is complicated, so the cost of manufacture of reducing boring cutter is higher, and maintenance cost is also higher.
In sum, how to provide a kind of processing unit (plant) of reducing counterbore, the cost of manufacture of the processing unit (plant) of this reducing counterbore is lower, and maintenance cost is lower, is present those skilled in the art's urgent problem.
The utility model content
In view of this, the purpose of this utility model is to provide a kind of processing unit (plant) of reducing counterbore, and the cost of manufacture of the processing unit (plant) of this reducing counterbore is lower, and maintenance cost is lower.
In order to achieve the above object, the utility model provides a kind of processing unit (plant) of reducing counterbore, comprise milling cutter and boring cutter, the active section shape of the blade of described milling cutter is identical with the edge line shape in the cross section in the upper hole of described reducing counterbore, and the active section shape of the blade of described boring cutter is identical with the shape of the edge line in the cross section in the lower hole of described reducing counterbore.
Preferably, in the processing unit (plant) of above-mentioned reducing counterbore, the blade of described milling cutter comprises the first blade and the second blade, and described the first blade is used for processing the two ends in described upper hole, and described the second blade is used for processing the centre in described upper hole.
Preferably, in the processing unit (plant) of above-mentioned reducing counterbore, described the first blade and the second blade are separately positioned on the both sides of described milling cutter.
Preferably, in the processing unit (plant) of above-mentioned reducing counterbore, the active section of described the first blade specifically comprise straightway, with the tangent transition circle segmental arc of described straightway and first arc section tangent with described transition circle segmental arc.
Preferably, in the processing unit (plant) of above-mentioned reducing counterbore, described straightway and horizontal angle are 60 ° ± 0.02 °, and the radius of described the first arc section is 1.6 ± 0.02mm.
Preferably, in the processing unit (plant) of above-mentioned reducing counterbore, the active section of described the second blade is specially the second arc section.
Preferably, in the processing unit (plant) of above-mentioned reducing counterbore, the radius of described the second arc section is 4 ± 0.1mm.
Preferably, in the processing unit (plant) of above-mentioned reducing counterbore, the active section of the blade of described boring cutter is specially the three-arc section.
Preferably, in the processing unit (plant) of above-mentioned reducing counterbore, the radius of described three-arc section is 1.6 ± 0.02mm.
The processing unit (plant) of the reducing counterbore that the utility model provides comprises milling cutter and boring cutter, wherein the active section shape of the blade of milling cutter is identical with the edge line shape in the cross section in the upper hole of reducing counterbore, and the active section shape of the blade of boring cutter is identical with the edge line shape in the cross section in the lower hole of reducing counterbore.
When using the processing unit (plant) of above-mentioned reducing counterbore to process the reducing counterbore, because the active section shape of the blade of milling cutter is identical with the edge line shape in the cross section in the upper hole of reducing counterbore, so at first use milling cutter with the upper hole machine-shaping of reducing counterbore, in addition, the active section shape of the blade of boring cutter is identical with the shape of the edge line in the cross section in the lower hole of reducing counterbore, and the recycling boring cutter is with the lower hole machine-shaping of reducing counterbore.Utilize so the upper hole of milling cutter processing reducing counterbore, utilize boring cutter only to process the lower bore portion of reducing counterbore, simplified the structure of employed boring cutter, make its processing technology simpler, the structure of milling cutter is also comparatively simple simultaneously, so the cost of manufacture of the processing unit (plant) of this reducing counterbore is lower, maintenance cost is also lower.
In sum, the cost of manufacture of the processing unit (plant) of reducing counterbore provided by the utility model is lower, and maintenance cost is lower.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the utility model, employed accompanying drawing was done simple the introduction during the below will describe embodiment, apparently, accompanying drawing in the following describes only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation of the milling cutter that provides among the utility model embodiment is provided Fig. 1;
The structural representation of the boring cutter that provides among the utility model embodiment is provided Fig. 2;
The structural representation of the first blade of the milling cutter that provides among the utility model embodiment is provided Fig. 3;
The structural representation of the second blade of the milling cutter that provides among the utility model embodiment is provided Fig. 4;
The structural representation of the blade of the boring cutter that provides among the utility model embodiment is provided Fig. 5;
The reducing counterbore that Fig. 6 processes for the processing unit (plant) that provides among use the utility model embodiment.
Mark is as follows in the accompanying drawing:
1-milling cutter, 2-boring cutter, 01-the first blade, 02-the second blade, 011-straightway, 012-transition circle segmental arc, 013-the first arc section, 021-the second arc section, 031-three-arc section, the upper hole of 001-, 002 time hole.
The specific embodiment
In order further to understand the utility model, below in conjunction with embodiment the utility model preferred embodiment is described, but should be appreciated that these describe just in order to further specify feature and advantage of the present utility model, rather than to the restriction of the utility model claim.
The purpose of this utility model is to provide a kind of processing unit (plant) of reducing counterbore, and the cost of manufacture of the processing unit (plant) of this reducing counterbore is lower, and maintenance cost is lower.
Below in conjunction with the accompanying drawing among the utility model embodiment, the scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making all other embodiment that obtain under the creative work prerequisite, all belong to the scope of the utility model protection.
Shown in Fig. 1-5, the processing unit (plant) of the reducing counterbore that the utility model embodiment provides comprises milling cutter 1 and boring cutter 2, wherein the active section shape of the blade of milling cutter 1 is identical with the edge line shape in the cross section in the upper hole 001 of reducing counterbore, and the active section shape of the blade of boring cutter 2 is identical with the shape of the edge line in the cross section in the lower hole 002 of reducing counterbore.
When using the processing unit (plant) of above-mentioned reducing counterbore to process the reducing counterbore, because the active section shape of the blade of milling cutter 1 is identical with the edge line shape in the cross section in the upper hole of reducing counterbore, so at first use milling cutter 1 with the upper hole machine-shaping of reducing counterbore, in addition, the active section shape of the blade of boring cutter 2 is identical with the shape of the edge line in the cross section in the lower hole of reducing counterbore, and recycling boring cutter 2 is with the lower hole machine-shaping of reducing counterbore.Utilize so the upper hole of milling cutter processing reducing counterbore, utilize the lower bore portion of 2 processing of boring cutter reducing counterbore, simplified the structure of employed boring cutter 2, make its processing technology simpler, the structure of milling cutter 1 is also comparatively simple simultaneously, so the cost of manufacture of the processing unit (plant) of this reducing counterbore is lower, maintenance cost is also lower.
Wherein, in the processing unit (plant) of above-mentioned reducing counterbore, for the upper hole of the irregular reducing counterbore of machining shape more easily, the blade of milling cutter can be processed as the first blade 01 and the second blade 02, use the two ends in the upper hole of the first blade 01 processing reducing counterbore, re-use the mid portion in the upper hole of the second blade 02 processing.Certainly, also can use the upper end in the upper hole of the first blade processing according to the shape in the upper hole of the reducing counterbore of concrete needs processing, use the lower end in the upper hole of the second blade processing.
In the processing unit (plant) of above-mentioned reducing counterbore, in order to make process simpler, the first blade and the second blade can be separately positioned on the both sides of milling cutter 1, so more allowing blade replacement only needs milling cutter 1 is rotated the conversion that can realize by using the first blade 01 to use the second blade 02.
Wherein, the upper end that has the upper hole 001 of straight line and circular arc for the edge line of processing the cross section, active section that can the first blade 01 be set to straightway 011, with the tangent transition circle segmental arc 012 of straightway and first arc section 013 tangent with transition circle segmental arc 012.Preferably, straightway 011 can be 60 ° ± 0.02 ° with horizontal angle, and the radius of the first arc section 012 is 1.6 ± 0.02mm simultaneously.
Be the lower end in the upper hole 001 of circular arc for the edge line of processing the cross section, active section that can the second blade 02 is set to the second arc section 021.Preferably, the radius of the second arc section 021 is 4 ± 0.1mm.Certainly can also be set to other shape according to the active section of shape second blade 02 of the lower end in upper hole, such as the combination of straight line or straight line and camber line.
In addition, be the lower hole 002 of circular arc for the edge line of processing the cross section, the active section of blade that can also boring cutter 2 is set to three-arc section 031, wherein for convenient processing, an end transition arcs can also be set between the straightway of three-arc section 031 and blade.Preferably, the radius of three-arc section 031 is 1.6 ± 0.02mm.Certainly can also be according to the shape in the lower hole of reducing counterbore, the active section of the blade of boring cutter 2 is set to other shape, such as straight line.Wherein, use above-mentioned processing unit (plant) to process being shaped as of resulting reducing counterbore shape shown in Figure 6.
Each embodiment adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from spirit or scope of the present utility model, in other embodiments realization.Therefore, the utility model can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (9)
1. the processing unit (plant) of a reducing counterbore, it is characterized in that, comprise milling cutter (1) and boring cutter (2), the active section shape of the blade of described milling cutter (1) is identical with the edge line shape in the cross section in the upper hole of described reducing counterbore, and the active section shape of the blade of described boring cutter (2) is identical with the edge line shape in the cross section in the lower hole of described reducing counterbore.
2. the processing unit (plant) of reducing counterbore according to claim 1, it is characterized in that, the blade of described milling cutter (1) comprises the first blade (01) and the second blade (02), and described the first blade (01) is used for processing the two ends in described upper hole, and described the second blade (02) is used for processing the centre in described upper hole.
3. the processing unit (plant) of reducing counterbore according to claim 2 is characterized in that, described the first blade (01) and the second blade (02) are separately positioned on the both sides of described milling cutter.
4. the processing unit (plant) of reducing counterbore according to claim 2, it is characterized in that, the active section of described the first blade (01) specifically comprise straightway (011), with the tangent transition circle segmental arc (012) of described straightway and first arc section (013) tangent with described transition circle segmental arc (012).
5. the processing unit (plant) of reducing counterbore according to claim 4 is characterized in that, described straightway (011) is 60 ° ± 0.02 ° with horizontal angle, and the radius of described the first arc section (012) is 1.6 ± 0.02mm.
6. the processing unit (plant) of reducing counterbore according to claim 5 is characterized in that, the active section of described the second blade (02) is specially the second arc section (021).
7. the processing unit (plant) of reducing counterbore according to claim 6 is characterized in that, the radius of described the second arc section (021) is 4 ± 0.1mm.
8. the processing unit (plant) of reducing counterbore according to claim 7 is characterized in that, the active section of the blade of described boring cutter (2) is specially three-arc section (031).
9. the processing unit (plant) of reducing counterbore according to claim 8 is characterized in that, the radius of described three-arc section (031) is 1.6 ± 0.02mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220263183 CN202639363U (en) | 2012-06-06 | 2012-06-06 | Processing device for diameter-changing counter bore |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220263183 CN202639363U (en) | 2012-06-06 | 2012-06-06 | Processing device for diameter-changing counter bore |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202639363U true CN202639363U (en) | 2013-01-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220263183 Expired - Lifetime CN202639363U (en) | 2012-06-06 | 2012-06-06 | Processing device for diameter-changing counter bore |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202639363U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103464790A (en) * | 2012-06-06 | 2013-12-25 | 安徽华菱汽车有限公司 | Processing device for diameter-variable counter bore |
-
2012
- 2012-06-06 CN CN 201220263183 patent/CN202639363U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103464790A (en) * | 2012-06-06 | 2013-12-25 | 安徽华菱汽车有限公司 | Processing device for diameter-variable counter bore |
| CN103464790B (en) * | 2012-06-06 | 2016-12-21 | 安徽华菱汽车有限公司 | A kind of processing unit (plant) of diameter-variable counter bore |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |