CN201979315U - Piston skirt machining device - Google Patents

Piston skirt machining device Download PDF

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Publication number
CN201979315U
CN201979315U CN 201020610748 CN201020610748U CN201979315U CN 201979315 U CN201979315 U CN 201979315U CN 201020610748 CN201020610748 CN 201020610748 CN 201020610748 U CN201020610748 U CN 201020610748U CN 201979315 U CN201979315 U CN 201979315U
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CN
China
Prior art keywords
piston skirt
hole
plant
positioning
processing unit
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Expired - Fee Related
Application number
CN 201020610748
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Chinese (zh)
Inventor
伦坤
夏国兴
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Beijing Erqi Railway Transportation Equipment Co Ltd
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Beijing Erqi Railway Transportation Equipment Co Ltd
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Priority to CN 201020610748 priority Critical patent/CN201979315U/en
Application granted granted Critical
Publication of CN201979315U publication Critical patent/CN201979315U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a piston skirt machining device which comprises a positioning baseplate and a positioning side plate arranged at one end of the positioning baseplate, wherein, a machining positioning hole is formed on the positioning side plate, a positioning bracket is arranged on the positioning baseplate, two positioning blocks are symmetrically arranged on the positioning bracket, the two positioning blocks are rotationally arranged relative to the positioning bracket, a spring is arranged between the two positioning blocks, and the spring is used for utilizing the self elastic force to prop the two positioning blocks against the inner walls of the inner stop hole of a piston skirt to be machined. The piston skirt machining device provided by the utility model can be used for positioning a piston skirt when the pin hole of the piston skirt is machined, and effectively ensure the machining precision of the pin hole of the piston skirt.

Description

The piston skirt processing unit (plant)
Technical field
The utility model relates to the piston skirt process technology, relates in particular to a kind of piston skirt processing unit (plant).
Background technology
The piston group is a moving component important in the diesel engine, is used for moving back and forth in cylinder under the effect of the thrust that oil inflame produces, and the reciprocating motion of piston is converted to the gyration of bent axle, thereby the transmission of power that oil inflame produces is gone out.Wherein, the piston group of diesel engine and cylinder jacket, cylinder head are formed sealed combustion chamber, and the piston group mainly comprises piston top, piston skirt and piston pin, because the piston group needs frequent motion in diesel engine, the requirement on machining accuracy of each parts is all very high in the piston group, therefore, the machining accuracy of each parts is extremely important in the assurance piston group.
At present, piston skirt normally adopts Birmasil to make, and manufacturing procedure is more, the required precision height.In the piston skirt process, each manufacturing procedure needs to utilize the pin-and-hole on it to position more, and therefore, for guaranteeing the crudy of each operation in the piston skirt processing, the requirement on machining accuracy of pin-and-hole is very high on the piston skirt.Fig. 1 is the structural representation of existing piston skirt processing unit (plant).As shown in Figure 1, the existing processing unit (plant) that the piston skirt pin-and-hole is processed mainly comprises positioning plate 10 and is arranged on the location side plate 20 of positioning plate 10 1 ends, wherein, when being used for pin hole processing 301, installs and fixed piston skirt 30 positioning plate 10, location side plate 20 is provided with the processing locating hole 201 that pin hole processing is used, and during pin hole processing 301, boring cutter can be processed locating hole 201 as benchmark, piston skirt 30 is processed, to obtain pin-and-hole 301.But, existing piston skirt processing unit (plant) is to piston skirt fixedly the time, piston skirt 30 is easy to generate off normal, home record hole on the piston skirt 30 particularly appears in process easily with respect to pin-and-hole to be processed 301 off plumb phenomenons, thereby deviation appears in the pin-and-hole 301 that causes processing, the machining accuracy of pin-and-hole 301 is lower, when other manufacturing procedure of piston skirt 30 is located with this pin-and-hole 301, it is bad to occur processing easily, or the low problem of machining accuracy, very easily cause piston skirt substandard products and waste product to occur, cause the product waste.
To sum up, utilize existing piston skirt processing unit (plant) that the pin-and-hole of piston skirt is added man-hour, occur the low defective of pin-and-hole machining accuracy easily, the pin-and-hole working (machining) efficiency of piston skirt is lower, and its crudy can't be guaranteed, and has increased the processing cost of piston skirt.
The utility model content
The utility model provides a kind of piston skirt processing unit (plant), can effectively solve the existing lower problem of piston skirt pin-and-hole machining accuracy, improves the machining accuracy of piston skirt pin-and-hole, guarantees the product quality of the piston skirt of processing.
The utility model provides a kind of piston skirt processing unit (plant), comprise positioning plate and the location side plate that is arranged on described positioning plate one end, described location side plate is provided with the processing locating hole, described positioning plate is provided with locating support, be symmetrically arranged with two locating pieces on the described locating support, and described two locating pieces all rotate setting with respect to described locating support; Be provided with spring between described two locating pieces, described spring is used to utilize the elastic force of self described two locating pieces to be resisted against the inwall in the home record hole of piston skirt to be processed.
In the above-mentioned piston skirt processing unit (plant), also be provided with positioning disk on the described positioning plate, described positioning disk is provided with confined planes; Described locating support is installed on the described positioning plate by described positioning disk.
In the above-mentioned piston skirt processing unit (plant), but an end semicircular in shape projection of close described positioning plate on the described locating piece.The inwall junction in the home record hole of described locating piece and described piston skirt to be processed can be arcuate structure.Described locating piece is provided with spring groove, and the end of described spring can be arranged in the described spring groove.
In the above-mentioned piston skirt processing unit (plant), described locating support is provided with changes the hole, and described locating piece is provided with through hole, and described locating piece can rotate by the rotating shaft that is located in described commentaries on classics hole and through hole and be arranged on the described locating support.
In the above-mentioned piston skirt processing unit (plant), described positioning plate is provided with the feather key that the gathering sill on the processing platform with boring machine cooperates.
In the above-mentioned piston skirt processing unit (plant), on the described positioning plate, the two ends adjacent with described location side plate can be respectively arranged with positioning clamping device.Particularly, described positioning clamping device comprises push rod and the pull bar that is installed on the described positioning plate, and described push rod and pull bar upper end are provided with positioning pressuring plate.
The piston skirt processing unit (plant) that the utility model provides, by symmetrically arranged two locating pieces on positioning plate, to piston skirt processing location the time, tightly be resisted against under the elastic force effect of spring that these two locating pieces can be between them on the inwall in home record hole of piston skirt to be processed, thereby limited the rotation of piston skirt, making utilizes boring cutter that the pin-and-hole of piston skirt is added man-hour, can effectively improve the machining accuracy of piston skirt pin-and-hole, the assurance piston skirt is follow-up to serve as the quality that the location benchmark is processed with this pin-and-hole.The utility model piston skirt processing unit (plant) is simple in structure, and it is convenient to realize, can effectively improve the pin-and-hole machining accuracy of piston skirt.
Description of drawings
Fig. 1 is the structural representation of existing piston skirt processing unit (plant);
Fig. 2 is the front view of the utility model piston skirt processing unit (plant) embodiment;
Fig. 3 is the side view of the utility model piston skirt processing unit (plant) embodiment;
Fig. 4 is the structural representation of piston skirt among the utility model embodiment;
Fig. 5 A is the front view of locating support among the utility model embodiment;
Fig. 5 B is the vertical view of locating support among the utility model embodiment;
Fig. 5 C be among Fig. 5 B A-A to generalized section;
Fig. 6 A is the front view of locating piece among the utility model embodiment;
Fig. 6 B is the vertical view of locating piece among the utility model embodiment;
Fig. 6 C is the left view of locating piece among the utility model embodiment.
Reference numeral:
The 10-positioning plate; 20-locatees side plate; 201-processes locating hole;
The 30-piston skirt; The 301-pin-and-hole; The 1-positioning plate;
2-locatees side plate; 21-processes locating hole; The 3-locating support;
The 4-locating piece; The 5-spring; The 6-piston skirt;
61-home record hole; The 7-positioning disk; The 71-locating surface;
The 8-positioning clamping device; The 81-push rod; The 82-pull bar;
The 83-positioning pressuring plate; The 31-slab construction; 32-locating piece erection support;
33-changes the hole; The 41-through hole; The 43-spring groove;
The 11-feather key; The 62-pin-and-hole.
The specific embodiment
For the purpose, technical scheme and the advantage that make the utility model embodiment clearer, below in conjunction with the accompanying drawing among the utility model embodiment, technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment 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 the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Fig. 2 is the front view of the utility model piston skirt processing unit (plant) embodiment; Fig. 3 is the side view of the utility model piston skirt processing unit (plant) embodiment; Fig. 4 is the structural representation of piston skirt among the utility model embodiment.As Fig. 2, Fig. 3 and shown in Figure 4, present embodiment piston skirt processing unit (plant) can include positioning plate 1 and location side plate 2, and wherein, location side plate 2 is arranged on an end of positioning plate 1, and this location side plate 2 is provided with processing locating hole 21; Positioning plate 1 is provided with locating support 3, and this locating support 3 is provided with two locating pieces 4, and these two locating pieces 4 are symmetrical arranged, and these two locating pieces 4 all rotate setting with respect to locating support 3; Be provided with spring 5 between these two locating pieces 4, this spring 5 can utilize the elastic force of self two locating pieces 4 to be resisted against on the inwall in home record hole 61 of piston skirt to be processed 6.Present embodiment piston skirt processing unit (plant) can be applicable in the processing of the pin-and-hole of the piston skirt location, before to piston skirt processing, piston skirt can be fixed on the positioning plate, the home record of piston skirt is enclosed within on the locating support, make the locating piece on the locating support under the elastic force effect of spring, tightly to be resisted against on the inwall of home record, thereby it is piston skirt is fixing in a circumferential direction, limited the rotation of piston skirt in the pin-and-hole process, utilizing boring cutter that piston skirt is added man-hour, the piston skirt pin-and-hole processing back that can effectively avoid piston skirt off normal to occur and cause and the interior retaining hole off plumb phenomenon of piston skirt effectively guarantee the precision that the piston skirt pin-and-hole is processed.
In the present embodiment, also can be provided with positioning disk 7 on the positioning plate 1, and also can be provided with locating surface 71 on this positioning disk 7, above-mentioned locating support 3 can be installed on the positioning plate 1 by this positioning disk 7, in the practical application, this positioning disk 7 can position piston skirt when the machining piston skirt, the moving freely or rotating of limited piston skirt, particularly, the locating surface 71 of this positioning disk 7 can directly contact with the inwall of the maximum outside diameter in the home record hole 61 of piston skirt 6, thereby limited piston skirt 6 is in the rotation of vertical direction or move, and by the accuracy that positioning disk can improve the piston skirt location further is set, improves the machining accuracy of piston skirt pin-and-hole.
In the present embodiment, on this positioning plate 1, the two ends adjacent with location side plate 2 also can be respectively arranged with positioning clamping device 8, to be used for that piston skirt is carried out clamping and positioning.Particularly, as shown in Figure 4, this positioning clamping device 8 can comprise push rod 81 and pull bar 82, this push rod 81 and pull bar 82 all are fixed on the positioning plate 1, and this push rod 81 and pull bar 82 upper ends can be provided with positioning pressuring plate 83, before piston skirt is processed, can compress by 83 pairs of piston skirts of this positioning pressuring plate, piston skirt is fixed on the positioning plate 1, guarantee fastness and stability that piston skirt is fixing.
Fig. 5 A is the front view of locating support among the utility model embodiment; Fig. 5 B is the vertical view of locating support among the utility model embodiment; Fig. 5 C be among Fig. 5 B A-A to generalized section; Fig. 6 A is the front view of locating piece among the utility model embodiment; Fig. 6 B is the vertical view of locating piece among the utility model embodiment; Fig. 6 C is the left view of locating piece among the utility model embodiment.In the present embodiment, shown in Fig. 5 A, Fig. 5 B and Fig. 5 C, locating support 3 comprises tetragonal slab construction 31, be symmetrically arranged with four locating piece erection supports 32 on this tetragonal slab construction 31, locating piece erection support 32 is provided with changes hole 33, on two locating piece erection supports 32 of the left and right sides above-mentioned locating piece 4 can be installed respectively; Shown in Fig. 6 A, Fig. 6 B and Fig. 6 C, locating piece 4 is a concave structure, and the locating piece 4 of this concave structure is provided with through hole 41, so that locating piece 4 can be arranged on the locating support 3 by the commentaries on classics hole 33 that rotating shaft is passed on this through hole 41 and the locating support 3.
In the present embodiment, on the home record hole that is resisted against piston skirt under the promotion of spring 5 elastic force effectively, make locating piece 4 be convenient to activity for ease of locating piece 4, the lower end of locating piece 4, promptly an end of close positioning plate 1 can be arranged to the projection of semicircular in shape; Simultaneously,, also can be respectively arranged with spring groove 43, make spring 5 can be arranged in this spring groove 43 in two locating pieces, 4 relative sides for guaranteeing the accuracy of locating piece 4 location; In addition, when reducing locating piece 4 location and the contact area of the home record hole inwall of piston skirt, guarantee locating effect, can to be arranged to arcuate structure with being connected with the inwall in the home record hole of piston skirt to be processed on the locating piece 4, make locating piece 4 contact and be the line contact, thereby guarantee that locating piece 4 can tightly be resisted against on this piston skirt under the effect of spring 5 elastic force with the inwall in the home record hole of piston skirt.
In the present embodiment, can stablize, be installed to reliably on the processing platform of boring machine for guaranteeing whole piston skirt processing unit (plant), as shown in Figure 2, feather key 11 can be set on positioning plate 1, so that the piston skirt processing unit (plant) can be installed in the gathering sill of processing platform of boring machine by this feather key 11, realize the installation location of piston skirt processing unit (plant), guarantee installation accuracy.
For the utility model is had a better understanding, will describe the concrete application of the utility model embodiment in the processing of piston skirt pin-and-hole below.
Present embodiment piston skirt processing unit (plant) can be in the processing of piston skirt pin-and-hole, piston skirt is positioned, to process high-precision pin-and-hole, before carrying out piston skirt processing, earlier the piston skirt processing unit (plant) is installed on the workbench of boring machine, the feather key when the piston skirt processing unit (plant) is installed on it is placed in the T type gathering sill of workbench of boring machine, treats that the piston skirt processing unit (plant) installs, can carry out the processing of piston skirt pin-and-hole, specify as follows:
At first, as Fig. 2, Fig. 3 and shown in Figure 4, piston skirt to be processed 6 can be placed on the piston skirt processing unit (plant), and with the home record hole 61 of piston skirt 6 be enclosed within locating support 3 directly over, make locating support 3 and the locating piece 4 on it be positioned at home record hole 61, at this moment, two locating pieces 4 on the locating support 3 can be under the elastic force effect of spring 5, tightly be resisted against on the inwall in home record hole 61, thereby limited piston skirt 6 is in the rotation of circumferencial direction or move.
Secondly, the positioning pressuring plate on the positioning clamping device 8 83 is pressed in the edge of piston skirt 6, and push rod 81 and pull bar 82 are fixed, it is mobile to make that piston skirt 6 can not have on above-below direction, has guaranteed the fastness and the stability of whole piston skirt 6 location.
At last, just can utilize boring cutter to carry out the processing of pin-and-hole 62 from 21 pairs of piston skirts of processing locating hole 6 of location side plate 2 and since piston skirt 6 on left and right, up and down direction all by firm fixing, the problem of piston skirt off normal can not appear, therefore, the pin-and-hole 62 precision height of processing.
After pin-and-hole 62 completion of processing of piston skirt 6, can utilize this pin-and-hole 62 to be benchmark, piston skirt is carried out follow-up processing to be handled, because this pin-and-hole 62 has higher processing precision, therefore, follow-up is in the processing of benchmark to piston skirt with this pin-and-hole, can effectively guarantee the machining accuracy and the quality of piston skirt.
To sum up, the piston skirt processing unit (plant) that present embodiment provides, by symmetrically arranged two locating pieces on positioning plate, to piston skirt processing location the time, tightly be resisted against under the elastic force effect of spring that these two locating pieces can be between them on the inwall in home record hole of piston skirt to be processed, thereby limited the rotation of piston skirt, making utilizes boring cutter that the pin-and-hole of piston skirt is added man-hour, can effectively improve the machining accuracy of piston skirt pin-and-hole, the assurance piston skirt is follow-up to serve as the quality that the location benchmark is processed with this pin-and-hole.Present embodiment piston skirt processing unit (plant) is simple in structure, and it is convenient to realize, can effectively improve the pin-and-hole machining accuracy of piston skirt.
It should be noted that at last: above embodiment only in order to the explanation the technical solution of the utility model, is not intended to limit; Although the utility model is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of each embodiment technical scheme of the utility model.

Claims (9)

1. piston skirt processing unit (plant), comprise positioning plate and the location side plate that is arranged on described positioning plate one end, described location side plate is provided with the processing locating hole, it is characterized in that, described positioning plate is provided with locating support, be symmetrically arranged with two locating pieces on the described locating support, and described two locating pieces all rotate setting with respect to described locating support; Be provided with spring between described two locating pieces, described spring is used to utilize the elastic force of self described two locating pieces to be resisted against the inwall in the home record hole of piston skirt to be processed.
2. piston skirt processing unit (plant) according to claim 1 is characterized in that, also is provided with positioning disk on the described positioning plate, and described positioning disk is provided with confined planes; Described locating support is installed on the described positioning plate by described positioning disk.
3. piston skirt processing unit (plant) according to claim 1 is characterized in that, an end semicircular in shape projection of close described positioning plate on the described locating piece.
4. piston skirt processing unit (plant) according to claim 1 is characterized in that, the inwall junction in the home record hole of described locating piece and described piston skirt to be processed is an arcuate structure.
5. piston skirt processing unit (plant) according to claim 1 is characterized in that described locating piece is provided with spring groove, and the end of described spring is arranged in the described spring groove.
6. piston skirt processing unit (plant) according to claim 1, it is characterized in that, described locating support is provided with changes the hole, and described locating piece is provided with through hole, and described locating piece rotates by the rotating shaft that is located in described commentaries on classics hole and through hole and is arranged on the described locating support.
7. piston skirt processing unit (plant) according to claim 1 is characterized in that, described positioning plate is provided with the feather key that the gathering sill on the processing platform with boring machine cooperates.
8. according to the arbitrary described piston skirt processing unit (plant) of claim 1~7, it is characterized in that on the described positioning plate, the two ends adjacent with described location side plate are respectively arranged with positioning clamping device.
9. piston skirt processing unit (plant) according to claim 8 is characterized in that, described positioning clamping device comprises push rod and the pull bar that is installed on the described positioning plate, and described push rod and pull bar upper end are provided with positioning pressuring plate.
CN 201020610748 2010-11-16 2010-11-16 Piston skirt machining device Expired - Fee Related CN201979315U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201020610748 CN201979315U (en) 2010-11-16 2010-11-16 Piston skirt machining device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201020610748 CN201979315U (en) 2010-11-16 2010-11-16 Piston skirt machining device

Publications (1)

Publication Number Publication Date
CN201979315U true CN201979315U (en) 2011-09-21

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201020610748 Expired - Fee Related CN201979315U (en) 2010-11-16 2010-11-16 Piston skirt machining device

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CN (1) CN201979315U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106391414A (en) * 2016-10-28 2017-02-15 安徽省恒泰动力科技有限公司 Positioning mounting base and rotary positioning mounting base for piston oiling and piston oiling method
CN109732381A (en) * 2019-03-20 2019-05-10 安徽安簧机械股份有限公司 A kind of steel piston skirt pin hole clamp for machining
CN113333364A (en) * 2021-06-24 2021-09-03 广西大学 Piston clamping device
CN114734287A (en) * 2022-05-12 2022-07-12 威海天润机械科技有限公司 Piston pin hole processing tool and processing equipment

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106391414A (en) * 2016-10-28 2017-02-15 安徽省恒泰动力科技有限公司 Positioning mounting base and rotary positioning mounting base for piston oiling and piston oiling method
CN106391414B (en) * 2016-10-28 2019-05-17 安徽省恒泰动力科技有限公司 Piston oiling fixed mounted seat, rotational positioning mounting base, piston oiling method
CN109732381A (en) * 2019-03-20 2019-05-10 安徽安簧机械股份有限公司 A kind of steel piston skirt pin hole clamp for machining
CN109732381B (en) * 2019-03-20 2023-09-01 安徽安簧机械股份有限公司 Steel piston skirt pin hole machining clamp
CN113333364A (en) * 2021-06-24 2021-09-03 广西大学 Piston clamping device
CN114734287A (en) * 2022-05-12 2022-07-12 威海天润机械科技有限公司 Piston pin hole processing tool and processing equipment
CN114734287B (en) * 2022-05-12 2023-03-07 威海天润机械科技有限公司 Piston pin hole processing tool and processing equipment

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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: 20110921

Termination date: 20181116

CF01 Termination of patent right due to non-payment of annual fee