CN102581636B - Boring die for machining engine bodies and boring die support - Google Patents
Boring die for machining engine bodies and boring die support Download PDFInfo
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- CN102581636B CN102581636B CN201210064325.7A CN201210064325A CN102581636B CN 102581636 B CN102581636 B CN 102581636B CN 201210064325 A CN201210064325 A CN 201210064325A CN 102581636 B CN102581636 B CN 102581636B
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Abstract
The invention discloses a boring die for machining engine bodies and a boring die support. A first spindle hole (211) and a first cam shaft hole (221) are arranged on the boring die support (2), the first cam shaft hole (221) is disposed on the upper side of the inside of the first spindle hole (211), the boring die support (2) consists of a first portion (21) and a second portion (22) which can be adjusted and positioned independently, the first spindle hole (211) is arranged on the first portion (21), and the first cam shaft hole (221) is disposed on the second portion (22). Compared with an integral boring die support in the prior art, the boring die support with the structure has the advantages that positioning precision of the first spindle hole and the first cam shaft hole can be improved, furthermore, machining precision of a boring bar in a boring process is improved, and an engine body with high precision can be produced. The invention further provides a boring die. The boring die comprises a base and the boring die support, and has corresponding technical advantages.
Description
Technical field
The present invention relates to machine-building processing technique field, relate in particular to a kind of for processing boring template and the boring template support thereof of engine body.
Background technology
Boring template is called again fixture for boring machine, is mainly used in hole or hole system on machining box, support parts, and it not only uses on all kinds of boring machines, also can on building-block machine, lathe and radial drilling machine, use.Arrangement form according to boring template support on boring template is different, boring template can be divided into double base boring template, single supporting boring template and without supporting boring template three major types.
In double base boring template the most frequently used be before and after double base boring templates, front and back double base boring template is mainly used in processing through hole or the hole system of draw ratio L/D > 1.5, and its machining accuracy is higher.Because the draw ratio L/D of high-power engine reaches 8-16, even larger, only have and adopt elongated boring bar to coordinate a plurality of boring template supports with high-precision bearing and middle stock, and each boring template support is repeatedly adjusted and could be met instructions for use.Therefore before and after, double base boring template is widely used in spindle hole and the camshaft hole of the big-block engine body that processing length is long, aperture is little.
Please refer to Fig. 1-Fig. 5, the structural representation that Fig. 1 is boring template of the prior art; Fig. 2 is the side view of the boring template support of the boring template shown in Fig. 1, and Fig. 3 is respectively in Fig. 2 F-F to cutaway view; Fig. 4 and Fig. 5 are respectively left view and the front view of the camshaft stock of the boring template shown in Fig. 1.
In prior art, as shown in Figure 1, two boring template supports 2 that generally include base 1, are located at base 1 rear and front end for processing the front and back double base boring template of engine body, and be located at two main shaft stock 4 and camshaft stocks 3 between boring template support 2.In the course of work, the location of realizing the boring bar of boring machine by adjusting two boring template supports 2, main shaft stock 4 and camshaft stock 3, makes boring bar carry out to engine body the bore hole operation that precision is higher.
Yet the boring template of said structure in use has following technological deficiency:
First, as shown in Figures 2 and 3, the boring template support 2 at above-mentioned boring template two ends adopts monolithic construction, like this in the position fixing process of concrete adjustment the first spindle hole 211, also can there is respective change in the location of the first camshaft hole 221, adjust in the process of the first camshaft hole 221, and the location of the first spindle hole 211 also respective change can occur, therefore usually produce the phenomenon of attending to one thing and lose sight of another, directly affect the positioning precision of boring template.
Secondly, as shown in Figure 4 and Figure 5, camshaft stock 3 in the middle of above-mentioned two boring template supports 2 comprises casting supporting seat 31 and is located at the framework 32 of supporting seat 31 tops, this framework 32 is tin bronze framework, because the rigidity of tin bronze is poor, therefore framework 32 easily occurs connecing distortion when bolt connects, and easily impaired because colliding in the adjustment process of location, affects adjustment precision and the service life of boring template.
Finally, as shown in Figure 1, above-mentioned boring template comprises two main shaft stocks 4 and two camshaft stocks 3, and this makes the draw ratio of boring bar segmentation larger, causes the positioning difficulty of boring bar larger, cannot guarantee the required precision of the engine body that draw ratio is larger.
In view of this, urgently for above-mentioned technical problem, the boring template supporting structure of boring template of the prior art is carried out to further optimal design, strengthen boring template support precision is adjusted in the location of workpiece.
Summary of the invention
The technical problem to be solved in the present invention is for providing a kind of for processing the boring template support of the boring template of engine body, and it is higher that this boring template boring template support is adjusted precision to the location of workpiece.Another technical problem that the present invention will solve is for providing a kind of boring template that comprises above-mentioned boring template support.
For solving the problems of the technologies described above, the invention provides a kind ofly for processing the boring template support of the boring template of engine body, described boring template support is provided with the first spindle hole and is located at the first camshaft hole of described the first spindle hole inside front; Described boring template support comprises first and the second portion of relatively independent adjustment location, and described the first spindle hole is located at described first, and described the first camshaft hole is located at second portion.
Preferably, described first and the docking of described second portion, the interface of the two comprises horizontal plane and inclined-plane, described inclined-plane is perpendicular to the line in the described first spindle hole center of circle and the described first camshaft hole center of circle, and described horizontal plane is located at the inner side of described the first spindle hole, the below of described the first camshaft hole.
Preferably, described inclined-plane is through the mid point of the line in the first spindle hole center of circle and the first camshaft hole center of circle; And horizontal plane is asymmetric horizontal plane about the vertical center line of the first camshaft hole, horizontal plane is located at the inner side of described center line along the longer part of inward-outward direction, shorter part is located at the outside of described center line, and the interior edge on the connection inclined-plane, outer of shorter part.
Preferably, the interface of described first and described second portion also comprises vertical plane, and the upper edge of described vertical plane, lower edge connect respectively the lower edge on described inclined-plane, the outer of described horizontal plane.
Preferably, described first, described second portion are connected with the second screw assembly screwing downwards by the first screw assembly upwards screwing.
The invention provides a kind ofly for processing the boring template support of the boring template of engine body, it comprises first and the second portion of relatively independent adjustment location, and the first spindle hole is located at first, and the first camshaft hole is located at second portion.
Adopt this structure, due to the first of boring template support and second portion can be relatively independent adjust location, make the boring bar of boring machine position in adjustment process, while adjusting the position in the first spindle hole, the position of being located at the first camshaft hole on second portion can not be affected; While adjusting the position of the first camshaft hole, the spindle hole of being located in first can not be affected, adjust that in position fixing process, the two can not interfere, the monoblock type boring template support of the prior art of comparing, this split type boring template support can improve the positioning precision to the first spindle hole and the first camshaft hole, and then strengthened the machining accuracy of boring bar in bore hole process, to guarantee to produce the engine body that precision is higher.
It is a kind of for processing the boring template of engine body that the present invention also provides, and comprises base; It is characterized in that, also comprise two boring template supports as above, two described boring template supports are located at respectively the rear and front end of described base.
Preferably, described base is connected with camshaft stock between two described boring template supports, and described camshaft stock comprises supporting seat and the framework that is connected in described supporting seat top, and described framework is high-carbon steel framework, and described framework is provided with the second camshaft hole.
Preferably, the perisporium of described the second camshaft hole is copper-plated perisporium.
Preferably, be provided with at least three main shaft stocks and at least three camshaft stocks between two described boring template supports, described main shaft stock is all connected with described base with described camshaft stock.
Preferably, the number of described main shaft stock and described camshaft stock is three.
Because above-mentioned boring template support has above-mentioned technique effect, therefore, comprise that the boring template of this boring template support also should have corresponding technique effect, do not repeat them here.
Accompanying drawing explanation
Fig. 1 is the structural representation of boring template of the prior art;
Fig. 2 is the side view of the boring template support of the boring template shown in Fig. 1;
Fig. 3 is respectively in Fig. 2 F-F to cutaway view;
Fig. 4 and Fig. 5 are respectively left view and the front view of the camshaft stock of the boring template shown in Fig. 1;
Fig. 6 is the structural representation of a kind of specific embodiment of boring template provided by the present invention;
Fig. 7 is a kind of structural representation of the specific embodiment of the boring template support of boring template provided by the present invention;
Fig. 8 is respectively in Fig. 7 F-F to cutaway view;
Fig. 9 and Figure 10 are respectively left view and the front view of the camshaft stock of the boring template shown in Fig. 6.
Wherein, the Reference numeral in Fig. 1-Figure 10 and the corresponding relation between component names are:
Base 1;
Boring template support 2; First 21; Second portion 22; Interface 23; The first bolt assembly 24; The second bolt assembly 25; The first spindle hole 211; The first camshaft hole 221; Horizontal plane 231; Inclined-plane 232; Vertical plane 233;
Camshaft stock 3; Supporting seat 31; Framework 32; The second spindle hole 311; The second camshaft hole 321;
Main shaft stock 4; The 3rd spindle hole 41.
The specific embodiment
Core of the present invention is for providing a kind of for processing the boring template support of the boring template of engine body, and it is higher that this boring template boring template support is adjusted precision to the location of workpiece.Another core of the present invention is for providing a kind of boring template that comprises above-mentioned boring template support.
In order to make those skilled in the art understand better technical scheme of the present invention, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Please refer to Fig. 7 to Fig. 8, the structural representation of a kind of specific embodiment of the boring template support that Fig. 7 is boring template provided by the present invention; Fig. 8 is respectively in Fig. 7 F-F to cutaway view.
In a kind of specific embodiment, as Figure 7-8, the invention provides a kind of for processing the boring template support of the boring template of engine body, boring template support 2 is the most important support components of boring template, for the boring bar of boring machine is positioned to adjustment, this boring template support 2 is the split-type structural that comprises first 21 and second portion 22, first 21 is provided with the first spindle hole 211, second portion 22 is provided with the first camshaft hole 221, the first camshaft hole 221 is positioned at the inside front of the first spindle hole 211, and first 21 and second portion 22 can relatively independent adjustment location.
Adopt this structure, due to the first 21 of boring template support 2 and second portion 22 can be relatively independent adjust location, make the boring bar of boring machine position in adjustment process, while adjusting the position in the first spindle hole 211, the position of being located at the first camshaft hole 221 on second portion 22 can not be affected; While adjusting the position of the first camshaft hole 221, the spindle hole 211 of being located in first 21 can not be affected, adjust that in position fixing process, the two can not interfere, the monoblock type boring template support 2 of the prior art of comparing, this split type boring template support 2 can improve the positioning precision to the first spindle hole 211 and the first camshaft hole 221, and then strengthened the machining accuracy of boring bar in bore hole process, to guarantee to produce the engine body that precision is higher.
In concrete scheme, as Fig. 7 and Fig. 8, the first 21 of above-mentioned boring template support 2 and second portion 22 docking, the interface 23 of the two comprises horizontal plane 231 and inclined-plane 232, inclined-plane 232 is perpendicular to the line in first spindle hole 211 centers of circle and first camshaft hole 221 centers of circle, and horizontal plane 231 is located at the inner side of the first spindle hole 211, the below of the first camshaft hole 221.
The boring template support 2 that adopts this structure, can position boring bar in the following way:
First, can first by adjusting the position of the first 21 of boring template support 2, realize to the first spindle hole 211 the accurate location in X-axis and Y-axis;
Then, by adjusting second portion 22, in the displacement of X-axis, adjust the horizontal level of the first camshaft hole 221, particularly, can adopt second portion 22 is realized to the location of camshaft hole in X-axis with respect to the slip of first 21 232 directions on inclined-plane.Conventionally the inner side that is arranged at the first spindle hole 211 due to the first camshaft hole 221 is the position of 45 ° obliquely, therefore the docking inclined-plane 232 of first 21 and second portion 22 is arranged on to the position perpendicular to first spindle hole 211 centers of circle and the first camshaft hole 221 circle center line connectings, make in any perpendicular, the oblique line that inclined-plane 232 and perpendicular intersect to form is 1 at the slope of take in the coordinate system that first spindle hole 211 centers of circle are initial point, be second portion 22 with respect to first 21 in the sliding process of inclined-plane 232 directions, the horizontal coordinate of the first spindle hole 221 is with vertically changes in coordinates is identical, make the adjustment position fixing process of the first camshaft hole 221 simple, convenient and accurate.More specifically, the inclined-plane 232 of above-mentioned first 21 and second portion 22 all can adopt the mode of grinding to coordinate, and to increase the fineness on inclined-plane 232, further guarantees the precision that location is adjusted.
Finally, by adjusting second portion 22, in the displacement of Y-axis, adjust the height of camshaft hole.Particularly, can in the gap of the docking horizontal plane 231 of first 21 and second portion 22, adjusting pad be set, in the time need to increasing the height of the first camshaft hole 221, change highly slightly bigger adjusting pad; In the time need to reducing the height of the first camshaft hole 221, the height that can reduce current adjusting pad by grinding is realized the fine setting to the first camshaft hole 221 height.
By the above-mentioned course of work, can be found out, what adopt that the split type boring template support 2 cut sth. askew in above-mentioned whole truncation, part can realize the first spindle hole 211 and the first camshaft hole 221 adjusts location relatively independently, has greatly improved the positioning precision of boring template support 2.
In addition, because above-mentioned the first camshaft hole 221 is located at the inside front of the first spindle hole 211, and boring template support 2 is provided with base bearing in the inner side of the first spindle hole 211, therefore horizontal plane 231 is located to the inner side of the first spindle hole 211, the below of the first camshaft hole 221 has also taken into full account the needs of space layout, make split type boring template support 2 can guarantee the relatively independent of the first spindle hole 211 and the first camshaft hole 221 to locate adjustment, local motion is flexible as much as possible again.
It should be noted that, the course of work for the boring template support 2 of first 21 and second portion 22 docking have been described in detail above, in fact, above-mentioned boring template support 2 is not limited in first 21 and the second portion 22 that comprises docking, and the two also can adopt other connected modes of non-docking.
More specifically, above-mentioned inclined-plane 232 can be through the mid point of the line in first spindle hole 211 centers of circle and first camshaft hole 221 centers of circle, and horizontal plane 231 is asymmetric horizontal plane about the vertical center line of the first camshaft hole 221, along the longer part of inward-outward direction, be located at the inner side of center line, shorter part is located at the outside of center line, and the interior edge on the connection inclined-plane, outer 232 of shorter part.
Adopt this structure, above-mentioned inclined-plane 232 makes in the adjustment process of location through the mid point boring template support of two hole circle center line connectings, and first 21 and second portion 22 stressed more balanced moves more steady; In addition, in horizontal plane 231, shorter part connection inclined-plane 232 makes the integral body of interface 32 be symmetrically set in the both sides of the vertical center line of the first camshaft hole 221 as far as possible, reduce the vibrations that in the adjustment process of location, first 21 and second portion 22 produce, further guaranteed the precision that boring template support is adjusted.
It should be noted that, the noun of locality 'fornt', 'back' occurring herein refers to respectively in Fig. 1 and Fig. 6 direction from left to right, from right to left; The noun of locality " interior ", " outward " refer to respectively in Fig. 2 and Fig. 7 direction from left to right, from right to left; " X-axis ", " Y-axis " refer to respectively the direction that in Fig. 2 and Fig. 7, extend left and right, the direction of upper downward-extension; Should be appreciated that these nouns of locality take Figure of description and set up as benchmark, their appearance should not affect protection scope of the present invention.
In scheme further, the first 21 of above-mentioned boring template support 2 and the interface 23 of second portion 22 can also comprise vertical plane 233, and the upper edge of vertical plane 233, lower edge connect respectively the lower edge on inclined-plane 232, the outer of horizontal plane 231.
Adopt this structure, while making to adjust the vertical height of second portion 22, can specifically pass through second portion 22 along perpendicular upward sliding, for vertically adjusting the position of the first camshaft hole 221, provide certain guide effect, avoid the X-axis position of having adjusted to change again, further guarantee the positioning precision of the first camshaft hole 221.
The first 21 of above-mentioned split type boring template support 2 and the concrete connected mode of second portion 22 can also be further set.
In concrete scheme, as shown in Figure 8, above-mentioned first 21, second portion 22 are connected with the second screw assembly 25 screwing downwards by the first screw assembly 24 upwards screwing.The screw assembly screwing by two groups of rightabouts connects first 21 and second portion 22, can make boring template support 2 have better intensity, further guarantees the positional accuracy of 2 pairs of spindle holes of boring template support and camshaft hole.Certainly, above-mentioned first 21 and second portion 22 can also adopt other modes to be fixed connection.
Please refer to Fig. 6, Fig. 6 is provided by the present invention for processing a kind of structural representation of the specific embodiment of the boring template of engine body.
As shown in Figure 6, it is a kind of for processing the boring template of engine body that the present invention also provides, and comprises base 1; Also comprise that 2, two boring template supports 2 of two boring template supports as above are located at respectively the rear and front end of base 1.
Because above-mentioned boring template support 2 has above-mentioned technique effect, therefore, comprise that the boring template of this boring template support 2 also should have technique effect as above, do not repeat them here.
Please refer to Fig. 9 and Figure 10, Fig. 9 and Figure 10 are respectively left view and the front view of the camshaft stock of the boring template shown in Fig. 6.
Other specific constructive form of above-mentioned boring template can also be further set.
In the another kind of specific embodiment, due to the main shaft of engine and the draw ratio of camshaft larger, therefore above-mentioned boring template can also be provided with main shaft stock 4 and camshaft stock 3 between two boring template supports 2, is respectively used to further support boring bar, guarantees boring bar accurate positioning.Camshaft stock 3 comprises supporting seat 31 and the framework 32 that is connected in supporting seat 31 tops, and this framework 32 can be high-carbon steel framework, and supporting seat 31 is provided with the second spindle hole 311, and high-carbon steel framework 32 is provided with the second camshaft hole 321.
Adopt this structure, because high-carbon steel has larger strength and stiffness, therefore this framework 32 has larger, the on-deformable feature of Rigidity and strength in to the adjustment position fixing process of the second camshaft hole 321, has improved the accuracy of the second camshaft hole 321 being adjusted to location.Particularly, can adopt 65Mn high-carbon steel material as the main material of framework 32, certainly, above-mentioned high-carbon steel framework can also adopt the high-carbon steel of other materials.
In scheme, the perisporium of the second camshaft hole 321 of above-mentioned high-carbon steel framework is copper-plated perisporium more specifically.
Adopt this structure, because copper has good molten oiliness, therefore, after the larger camshaft stock 3 of Rigidity and strength is realized the integral body location adjustment of camshaft hole, the copper facing perisporium of the second camshaft hole 321 can be avoided the dry friction of camshaft stock 3 and boring bar, reduce the wearing and tearing of camshaft stock 3 and boring bar, further improved the job stability of camshaft stock 3.
The main shaft stock 4 of above-mentioned boring template and the concrete number of camshaft stock 3 can also be further set.
In the another kind of specific embodiment, as shown in Figure 6, between two boring template supports 2 of above-mentioned boring template, be provided with at least three main shaft stocks 4, main shaft stock 4 is provided with for locating the 3rd spindle hole 41 of boring bar.Above-mentioned boring template also comprises at least three camshaft stocks 3, and main shaft stock 4 is all connected with base 1 with camshaft stock 3.
Adopt this structure, by the quantity of suitable increase main shaft stock 4 and camshaft stock 3, reduced the draw ratio of each boring bar segmentation, the boring template that only comprises two main shaft stocks 4 and two camshaft stocks 3 in the prior art of comparing, increase the precision of spindle hole location and camshaft hole location, further guaranteed the precision of Boring machine processing.
Particularly, the number of above-mentioned main shaft stock 4 and camshaft stock 3 is three.Because the quantity of main shaft stock 4 and camshaft stock 3 is more, the location adjustment process of spindle hole and camshaft hole is more complicated, therefore, take while improving positioning precision as object increase main shaft stock 4 and camshaft stock 3, will consider the operability that location is adjusted simultaneously.Choose main shaft stock 4 and the camshaft stock 3 of three of numbers, compare with the boring template of two camshaft stocks 3 with only comprising two main shaft stocks 4, greatly improved the location of boring template support 2 and adjusted precision; With comprise four or more the main shaft stock 4 of more number compare with the boring template of camshaft stock 3, make the location adjustment process of spindle hole and camshaft hole uncomplicated, there is stronger operability.
Certainly, above-mentioned boring template is not limited in and comprises three main shaft stocks 4 and three camshaft stocks 3, can also comprise main shaft stock 4 and the camshaft stock 3 of other numbers.
To provided by the present invention, a kind ofly for processing boring template and the boring template support thereof of engine body, be described in detail above.Applied specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment is just for helping to understand method of the present invention and core concept thereof.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of the claims in the present invention.
Claims (7)
1. for processing a boring template support for the boring template of engine body, described boring template support (2) is provided with the first spindle hole (211) and is located at first camshaft hole (221) of described the first spindle hole (211) inside front; It is characterized in that, described boring template support (2) comprises first (21) and the second portion (22) of relatively independent adjustment location, described the first spindle hole (211) is located at described first (21), and described the first camshaft hole (221) is located at second portion (22); Described first (21) and described second portion (22) docking, the interface of the two (23) comprises horizontal plane (231) and inclined-plane (232), described inclined-plane (232) is perpendicular to the line in described the first spindle hole (211) center of circle and described the first camshaft hole (221) center of circle, and described horizontal plane (231) is located at the inner side of described the first spindle hole (211), the below of described the first camshaft hole (221);
Described inclined-plane (232) is through the mid point of the line in the first spindle hole (211) center of circle and the first camshaft hole (221) center of circle; And horizontal plane (231) is asymmetric horizontal plane about the vertical center line of the first camshaft hole (221), horizontal plane (231) is located at the inner side of described center line along the longer part of inward-outward direction, shorter part is located at the outside of described center line, and the interior edge on the connection inclined-plane, outer (232) of shorter part;
The interface (23) of described first (21) and described second portion (22) also comprises vertical plane (233), and the upper edge of described vertical plane (233), lower edge connect respectively the outer of the lower edge on described inclined-plane (232), described horizontal plane (231).
2. according to claim 1 for processing the boring template support of the boring template of engine body, it is characterized in that, described first (21), described second portion (22) are connected with the second screw assembly (25) screwing downwards by the first screw assembly (24) upwards screwing.
3. for processing a boring template for engine body, comprise base (1); It is characterized in that, also comprise two boring template supports as claimed in claim 1 or 2 (2), two described boring template supports (2) are located at respectively the rear and front end of described base (1).
4. according to claim 3 for processing the boring template of engine body, it is characterized in that, described base (1) is connected with camshaft stock (3) between two described boring template supports (2), described camshaft stock (3) comprises supporting seat (31) and is connected in the framework (32) of described supporting seat (31) top, described framework (32) is high-carbon steel framework, and described framework (32) is provided with the second camshaft hole (321).
5. according to claim 4ly for processing the boring template of engine body, it is characterized in that, the perisporium of described the second camshaft hole (321) is copper-plated perisporium.
According to described in claim 3-5 any one for processing the boring template of engine body, it is characterized in that, between two described boring template supports (2), be provided with at least three main shaft stocks (4) and at least three camshaft stocks (3), described main shaft stock (4) is all connected with described base (1) with described camshaft stock (3).
7. according to claim 6ly for processing the boring template of engine body, it is characterized in that, the number of described main shaft stock (4) and described camshaft stock (3) is three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210064325.7A CN102581636B (en) | 2012-03-12 | 2012-03-12 | Boring die for machining engine bodies and boring die support |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210064325.7A CN102581636B (en) | 2012-03-12 | 2012-03-12 | Boring die for machining engine bodies and boring die support |
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| CN102581636A CN102581636A (en) | 2012-07-18 |
| CN102581636B true CN102581636B (en) | 2014-12-10 |
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| CN104972324A (en) * | 2015-06-18 | 2015-10-14 | 潘秀娟 | Boring mold fixture for machining outrigger part |
| CN114054808A (en) * | 2021-12-27 | 2022-02-18 | 黄秀芳 | Special equipment structure for machining high-precision frame of reciprocating pump |
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