CN202571393U - Drilling jig for cylinder surface of large-scale multi-cylinder engine body - Google Patents
Drilling jig for cylinder surface of large-scale multi-cylinder engine body Download PDFInfo
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- CN202571393U CN202571393U CN 201120552058 CN201120552058U CN202571393U CN 202571393 U CN202571393 U CN 202571393U CN 201120552058 CN201120552058 CN 201120552058 CN 201120552058 U CN201120552058 U CN 201120552058U CN 202571393 U CN202571393 U CN 202571393U
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Abstract
The utility model belongs to a drilling jig fixture, and in particular discloses a drilling jig for a cylinder surface of a large-scale multi-cylinder engine body. The drilling jig comprises a drilling jig body which is matched with a cylinder surface of a six-cylinder engine body, wherein positioning devices and a fastening device which are matched with cylinder holes in the six-cylinder engine body are arranged on the drilling jig body; drilling holes are formed in positions, which correspond to to-be-machined holes in the cylinder surface of the six-cylinder engine body, on the drilling jig body; drill bushings, first quickly-replaced drill bushings or quickly-replaced chambering bushings, second quickly-replaced drill bushings or quickly-replaced reaming bushings are sleeved in the drilling holes; a plurality of support plates are arranged at the lower end of the drilling jig body in an optimized mode; and the lower bottom surfaces of the support plates are in the same horizontal plane. The drilling jig is compact in structure, easy and convenient to operate and low in manufacturing cost, the machining accuracy and machining efficiency are improved, and one set of drilling jig replaces the conventional four sets of drilling jigs.
Description
Technical field
The utility model relates to a kind of drill jig frock, is specifically related to a kind of multi-cylinder type big-block engine body cylinder face drill jig.
Background technology
Present big-block engine body has four kinds of types of 6,7,8,9 cylinders; When the processing cylinder face, to design four kinds of drill jigs respectively or be divided into several sections design drill jigs and satisfy the processing needs, specifically be on the processing body two ends the cylinder face, and in the middle of sector hole all need different drill jig frocks to cooperate processing, the frock manufacturing cost is higher; Machining accuracy is inconsistent; Influence follow-up assembling, complicated operation, working (machining) efficiency is not high.
Summary of the invention
To above-mentioned weak point of the prior art, the utility model aims to provide a kind of multi-cylinder type big-block engine body cylinder face drill jig, is integrated on the cover drill jig through the processing with body two ends and middle sector hole; And position with two cylinder holes on the body, accomplish processing, compact conformation to body cylinder face; Easy and simple to handle; Low cost of manufacture has improved machining accuracy, has improved working (machining) efficiency.
The technical scheme of the utility model: multi-cylinder type big-block engine body cylinder face drill jig; Comprise the drill jig body that is complementary with six cylinder engine body cylinder face; Have on this drill jig body with this six cylinder engine body on cylinder the hole positioner and the fastener that match; On position corresponding on the said drill jig body, establish boring, be arranged with drill bushing, the first quick change drill bushing or quick change in this boring and expand cover, the second quick change drill bushing or quick change hinge cover with said six cylinder engine body cylinder face hole to be processed.
In said drill jig body lower end several gripper shoes are set, the bottom surface of these several gripper shoes is in same horizontal plane.
The flatness of the bottom surface of said several gripper shoes requires to be not less than 0.035, and roughness requires to be not less than 0.4.
Said drill jig body upper end is fixed with clamp body, and this clamp body is provided with some through holes.
Said clamp body is connected on the said drill jig body through welding.
Be provided with drill bushing between the boring and the first quick change drill bushing or quick change expansion cover, the second quick change drill bushing or the quick change hinge cover on the said drill jig body and use lining.
Said first quick change drill bushing or quick change expand cover, the second quick change drill bushing or quick change hinge cover and are fixed on the said drill jig body through the drill bushing screw.
Said drill bushing, the first quick change drill bushing or quick change expansion cover, the second quick change drill bushing or quick change hinge cover require to be not less than 0.01 with respect to the perpendicularity of back-up block bottom surface.
Prismatic pin and the alignment pin of said positioner for matching with the cylinder hole of said six cylinder big-block engine bodies respectively.
Said fastener mainly by be arranged on the drill jig body or/the hook-shaped bolt on the clamp body and the band that is mated shoulder hex nut form.
During use; Preferred prismatic pin of positioner on the utility model and alignment pin are assemblied in respectively on the cylinder hole of multi-cylinder type big-block engine to be processed; And make that an end of this drill jig is corresponding with an end of engine body; Band shoulder hex nut through preferred hook-shaped bolt of fastener and cooperation thereof carries out fastening, can carry out brill, expansion, fraising to this cylinder face.When needs processing 7,8,9 cylinder bodies, only need the utility model is compressed after moving one, two, three cylinder hole sites on its corresponding body, can process the cylinder face on this body.Because it is few to move number of times, makes machining accuracy be improved, and the alternative traditional quadruplet drill jig of a cover drill jig, the frock low cost of manufacture, easy and simple to handle, improved working (machining) efficiency.
Description of drawings
Fig. 1 is the vertical view of the utility model;
Fig. 2 is the cutaway view of Fig. 1;
The vertical view of Fig. 3 the utility model assembling;
Fig. 4 is the cutaway view of Fig. 3;
Fig. 5 is along the cutaway view of A-A line among Fig. 3;
Fig. 6 is along the cutaway view of B-B line among Fig. 3;
Fig. 7 is along the cutaway view of C-C line among Fig. 3;
Fig. 8 is along the cutaway view of E-E line among Fig. 3;
Fig. 9 is along the cutaway view of G-G line among Fig. 3;
Figure 10 is the enlarged drawing of III part among Fig. 4.
The specific embodiment
Come further explain the utility model below in conjunction with specific embodiment and accompanying drawing.
Referring to Fig. 1 to Figure 10; Said multi-cylinder type big-block engine body cylinder face drill jig; It comprises the drill jig body 2 that is complementary with six cylinder engine body 100 cylinder faces; Have on this drill jig body 2 with this six cylinder engine body 100 on cylinder the hole positioner 3,5 and the fastener that match; On position corresponding on the said drill jig body 2, establish boring, be arranged with drill bushing 7,10, the first quick change drill bushing or quick change in this boring and expand cover 9, second quick change drill bushing or quick change hinge cover 8 with said six cylinder engine body 100 cylinder faces hole to be processed.
The utility model is to be the drill jig frock that type is made with six cylinder engine body 100, and it also can be type and make this drill jig frock with identical production method that only in use, the order of processing cylinder face is inconsistent with seven cylinders, eight cylinders or nine cylinders.
This example is that type is explained detailed description the utility model with six cylinder engine body 100.Specifically referring to Fig. 1 to Fig. 4, said drill jig body 2 is a different in nature steel plate, and its material also can be processed with other wear-resistant material, further can be preferably the light wear-resistant durable material.Drill jig body 2 is complementary with the cylinder face of six cylinder engine body 100, and it is consistent with six cylinder engine body 100 two ends also to can be described as its two ends.In these drill jig body 2 lower ends several gripper shoes 4 are set; This gripper shoe 4 is 12 in this example; It evenly is arranged on the bottom surface of said drill jig body 2; More particularly, said gripper shoe 4 is to be fixed on the said drill jig body through two soket head cap screws 41, and the spiral shell head end of said soket head cap screw 41 is located in the counterbore on the gripper shoe 4.Said several gripper shoes 4, just the bottom surface of 12 gripper shoes 4 after the assembling is in same horizontal plane, and is further preferred, and the flatness of the bottom surface of said 12 gripper shoes 4 requires to be not less than 0.035, and its roughness requires to be not less than 0.4.Flatness through said 12 gripper shoe 4 bottom surfaces of requirement for restriction requires and the roughness requirement; Just require the bottom surface flatness of whole cylinder face drill jig frock to require and the roughness requirement; Make it when assembling, can guarantee the position accuracy demand of each boring with six cylinder engine body 100 cylinder faces.Shape, other size and position for gripper shoe 4 do not have specific requirement; As long as drill jig body 2 is horizontally fixed on said six cylinder engine body 100 cylinder faces; And make boring perpendicularity with respect to the horizontal plane on the drill jig body 2 require to reach standard to get final product; That is to say, can guarantee that the position degree of each boring requires to get final product.
Be fixed with clamp body 1 in said drill jig body 2 upper ends, this clamp body 1 is provided with some through holes, and it mainly acts on is to be used for moving said whole cylinder face drill jig; As everyone knows, the whole shape of six cylinder engine body 100 is bigger, therefore; The shape of the corresponding thus drill jig body 2 that is provided with also can be bigger, and the weight of the drill jig body of being processed by steel plate 2 also can be heavier, in moving process, needs other mobile device to move; Therefore, this clamp body 1 is set.In this example, said clamp body 1 is connected on the said drill jig body 2 through welding, certainly, also can fix said clamp body 1 and drill jig body 2 through alternate manner, connects such as mechanical bolt.
The utility model is established boring on corresponding position, said six cylinder engine body 100 cylinder faces hole to be processed; Be arranged with drill bushing 7,10, the first quick change drill bushing or quick change in this boring and expand cover 9, second quick change drill bushing or quick change hinge cover 8; And expand between cover 9, second quick change drill bushing or the quick change hinge cover 8 at said boring and the first quick change drill bushing or quick change and to be provided with drill bushing with lining 81, and through drill bushing screw 82 will the said first quick change drill bushing or quick change expand cover 9, the second quick change drill bushing or quick change and cut with scissors and overlap 8 and be fixed on the said drill jig body 2.
Particularly, referring to Fig. 1 to Fig. 8, I part and II part among Fig. 3 are seen in two ends on said drill jig body 2, the two ends part on the corresponding said six cylinder engine body 100 of its difference.Because the cylinder face on the six cylinder engine body 100 cylinder faces distributes, it is inconsistent to arrange in the hole of two ends part, and the arranging evenly of sector hole wherein.Therefore, the utility model is consistent with the cylinder face on six cylinder engine body 100 two ends in the boring on drill jig body 2 two ends, makes directly to pass through this cylinder face drill jig, can accomplish the cylinder face processing to said six cylinder engine body 100 two ends.More specifically; On the corresponding drill jig body 2 of the free end of six cylinder engine body 100, be distributed with two kinds of totally three borings; Two borings therein are provided with the second quick change drill bushing of φ 9.7 or φ 10H7 or the second quick change drill bushing or the quick change hinge cover 8 that 8, one borings of quick change hinge cover are provided with φ 11.8 or φ 12.1H9; On the corresponding drill jig body 2 of the output of six cylinder engine body 100, be distributed with two kinds of five borings, directly establish the termination drill bushing 10 of φ 8.5 therein in four boring, establish the second quick change drill bushing or the quick change hinge cover 8 of φ 9.7 or φ 10H7 in the another one boring; The some borings of distribution three rows on the corresponding drill jig body 2 of the interlude of six cylinder engine body 100 particularly, are directly established φ 10 middle drill bushings 7 in six borings therein; The first quick change drill bushing or the quick change of in all the other 24 borings, establishing φ 20 or φ 23 expand cover 9.Preferably, aforementioned drill bushing 7,10, the first quick change drill bushing or quick change expand cover 9, the second quick change drill bushing or quick change hinge cover 8 and require to be not less than 0.01 with respect to the perpendicularity of back-up block 4 bottom surfaces, guarantee that the cylinder face that gets out through this drill jig can reach processing request.In addition, said first quick change drill bushing or quick change expand cover 9, the second quick change drill bushing or quick change hinge cover 8 all is fixed on the said drill jig body 2 through drill bushing screw 82, prevents in moving process, and quick change drill bushing or quick change expand cover or the landing of quick change hinge cover.
Referring to Fig. 1 to Fig. 4, Fig. 9, further the positioner 3,5 to said drill jig body 2 is elaborated.Prismatic pin 3 and the alignment pin 5 of said positioner 3,5 for matching with the cylinder hole of said six cylinder big-block engine bodies 100 respectively.Said alignment pin 5 is a beam barrel, and it is fixed on the bottom surface of said drill jig body 2 through four soket head cap screws, and in the lower end of this alignment pin 5 φ 199.97 is set
0 -0.02The pin limit pin diameter of size just through chamfering is carried out in these alignment pin 5 lower ends, makes that its end diameter is φ 199.97
0 -0.02, make things convenient for this alignment pin 5 can accurately damage fast and not under the situation in cylinder hole and be fitted in the cylinder hole.Said prismatic pin 3 is a prismatic beam barrel; It is fixed on the bottom surface of said drill jig body 2 through two soket head cap screws 32; And a cylindrical pin with internal thread 31 is set on the non-rectilinear of these two soket head cap screws 32, through these two soket head cap screws 32 and a cylindrical pin with internal thread 31 said prismatic pin 3 is fixed on the said drill jig body 2.For the position between said prismatic pin 3 and the alignment pin 5 relation, in this example, its respectively correspondence be arranged on said first, fourth cylinder hole site; Certainly; Also can be arranged on other the position, best, 1～2 cylinder hole should be separated by in said prismatic pin 3 and the alignment pin 5.
Referring to Fig. 1 to Fig. 4, Figure 10, further the fastener to said drill jig body 2 is elaborated.Said fastener mainly by be arranged on drill jig body 2 or/the hook-shaped bolt 6 on the clamp body 1 and the band that is mated shoulder hex nut 61 form.The hook part of this hook-shaped bolt 6 acts on the said six cylinder engine body 100 upper cylinder half hole medial surfaces, can this cylinder face drill jig be fastened on the cylinder face of six cylinder engine body 100 through tightening band shoulder hex nut 61.In this example, this fastener is two, its be separately positioned on said and, on the five cylinder holes, also can be arranged on other the position for the position of this fastener.
During use; Can on the two ends of corresponding six cylinder engine body 100 two ends on the drill jig body 2, mark out regions of different colours distinguishes; Locate with prismatic pin 3 and alignment pin 5, and hook-shaped bolt 6 is compressed, can directly accomplish cylinder face processing this six cylinder engine body 100.For 7,8,9 cylinder bodies; 1,2, the 3 cylinder pitch-rows that only need this cylinder face drill jig to move respectively leave and reorientate to compress and can accomplish corresponding cylinder face processing; For example; Elder generation is with Fig. 3 position, and with the cylinder face of location, first, fourth cylinder hole processing I part and interlude, 1,2,3 cylinders that move to right then location processes other the interlude and the cylinder face of II part.
More than technical scheme that the utility model embodiment is provided carried out detailed introduction; Used concrete example among this paper principle and the embodiment of the utility model embodiment are set forth, the explanation of above embodiment only is applicable to the principle that helps to understand the utility model embodiment; Simultaneously, for one of ordinary skill in the art, according to the utility model embodiment, the part that on the specific embodiment and range of application, all can change, in sum, this description should not be construed as the restriction to the utility model.
Claims (10)
1. multi-cylinder type big-block engine body cylinder face drill jig; It is characterized in that: comprise the drill jig body that is complementary with six cylinder engine body cylinder face; Have on this drill jig body with this six cylinder engine body on cylinder the hole positioner and the fastener that match; On position corresponding on the said drill jig body, establish boring, be arranged with drill bushing, the first quick change drill bushing or quick change in this boring and expand cover, the second quick change drill bushing or quick change hinge cover with said six cylinder engine body cylinder face hole to be processed.
2. multi-cylinder type big-block engine body cylinder face drill jig according to claim 1, it is characterized in that: in said drill jig body lower end several gripper shoes are set, the bottom surface of these several gripper shoes is in same horizontal plane.
3. multi-cylinder type big-block engine body cylinder face drill jig according to claim 2 is characterized in that: the flatness of the bottom surface of said several gripper shoes requires to be not less than 0.035, and its roughness requires to be not less than 0.4.
4. multi-cylinder type big-block engine body cylinder face drill jig according to claim 1 is characterized in that: said drill jig body upper end is fixed with clamp body, and this clamp body is provided with some through holes.
5. multi-cylinder type big-block engine body cylinder face drill jig according to claim 4, it is characterized in that: said clamp body is connected on the said drill jig body through welding.
6. multi-cylinder type big-block engine body cylinder face drill jig according to claim 1 and 2 is characterized in that: be provided with drill bushing between the boring and the first quick change drill bushing or quick change expansion cover, the second quick change drill bushing or the quick change hinge cover on the said drill jig body and use lining.
7. multi-cylinder type big-block engine body cylinder face drill jig according to claim 6 is characterized in that: said first quick change drill bushing or quick change expand cover, the second quick change drill bushing or quick change hinge cover and are fixed on the said drill jig body through the drill bushing screw.
8. multi-cylinder type big-block engine body cylinder face drill jig according to claim 6 is characterized in that: said drill bushing, the first quick change drill bushing or quick change expansion cover, the second quick change drill bushing or quick change hinge cover require to be not less than 0.01 with respect to the perpendicularity of back-up block bottom surface.
9. multi-cylinder type big-block engine body cylinder face drill jig according to claim 1 is characterized in that: prismatic pin and the alignment pin of said positioner for matching with the cylinder hole of said six cylinder big-block engine bodies respectively.
10. multi-cylinder type big-block engine body cylinder face drill jig according to claim 5 is characterized in that: said fastener mainly by be arranged on the drill jig body or/the hook-shaped bolt on the clamp body and the band that is mated shoulder hex nut form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120552058 CN202571393U (en) | 2011-12-26 | 2011-12-26 | Drilling jig for cylinder surface of large-scale multi-cylinder engine body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120552058 CN202571393U (en) | 2011-12-26 | 2011-12-26 | Drilling jig for cylinder surface of large-scale multi-cylinder engine body |
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| Publication Number | Publication Date |
|---|---|
| CN202571393U true CN202571393U (en) | 2012-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120552058 Expired - Fee Related CN202571393U (en) | 2011-12-26 | 2011-12-26 | Drilling jig for cylinder surface of large-scale multi-cylinder engine body |
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| Country | Link |
|---|---|
| CN (1) | CN202571393U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103752904A (en) * | 2014-01-14 | 2014-04-30 | 中联重科股份有限公司 | Drill jig structure and drilling method of standard knot main chord member |
| CN104972161A (en) * | 2015-07-29 | 2015-10-14 | 陕西柴油机重工有限公司 | Machining method and device of diesel engine cylinder hole surface auxiliary hole |
| CN105081810A (en) * | 2015-09-15 | 2015-11-25 | 沈阳飞机工业（集团）有限公司 | Multi-way high-precision porous part clamp and part machining method |
-
2011
- 2011-12-26 CN CN 201120552058 patent/CN202571393U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103752904A (en) * | 2014-01-14 | 2014-04-30 | 中联重科股份有限公司 | Drill jig structure and drilling method of standard knot main chord member |
| CN103752904B (en) * | 2014-01-14 | 2016-03-23 | 中联重科股份有限公司 | Drill jig structure and drilling method of standard knot main chord member |
| CN104972161A (en) * | 2015-07-29 | 2015-10-14 | 陕西柴油机重工有限公司 | Machining method and device of diesel engine cylinder hole surface auxiliary hole |
| CN105081810A (en) * | 2015-09-15 | 2015-11-25 | 沈阳飞机工业（集团）有限公司 | Multi-way high-precision porous part clamp and part machining method |
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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: 20121205 Termination date: 20141226 |
|
| EXPY | Termination of patent right or utility model |