CN100569433C - Tight-lock coupler body mechanical manufacturing processes - Google Patents
Tight-lock coupler body mechanical manufacturing processes Download PDFInfo
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- CN100569433C CN100569433C CNB2008100206988A CN200810020698A CN100569433C CN 100569433 C CN100569433 C CN 100569433C CN B2008100206988 A CNB2008100206988 A CN B2008100206988A CN 200810020698 A CN200810020698 A CN 200810020698A CN 100569433 C CN100569433 C CN 100569433C
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Abstract
The present invention relates to a kind of tight-lock coupler body mechanical manufacturing processes, blank adopts the casting of E level steel, heat treatment hardness HB241-291, add four installing holes that mill earlier man-hour on support bottom surface and the brill support, wherein two holes are brill, hinge locating hole, and support bottom surface and two holes are processed as the plane and two pits location benchmark of later operation.The present invention adopts front end plane and two pits location, has eliminated the position error problem, has guaranteed the accuracy of each positioning and clamping, also can guarantee the centre-to-centre spacing in front end convex cone and concave cone hole simultaneously; In addition, adopt the plane and two pits location, this just accomplishes that all later process all are same benchmark location, need not to calibrate workpiece, has shortened the clamping time greatly, has improved efficient, guarantees the quality of product.
Description
Technical field
The present invention relates to the processing technology of attaching parts between the rail truck, particularly tight-lock coupler body mechanical manufacturing processes.
Background technology
Tight lock couplers is one of the most basic parts of rail truck, plays the longitudinal force of quick connection rail truck, transmission train travelling process, and the effect that can decompose mutual coupling vehicle fast.Along with the fast development of railway transportation, tight lock couplers with its easy accessibility, utilization flexibly, intensity is high, comfortableness good, advantage such as safe and reliable and being widely used.The tight lock couplers coupler body is one of critical piece of tight lock couplers, is the metal integral piece, mainly is made of several parts such as convex cone, convex cone panel, concave cone, support and afterbody adpting flanges, and the stability of its crudy, the uniformity of size are very important.
Tight lock couplers coupler body machining process in the past generally is to mill the support bottom surface earlier, the datum hole of boring afterbody adpting flange and flange center, locate with afterbody flange face and datum hole then, the car convex cone in road, processing back, the car concave cone, several critical processes such as boring T-slot, because clamping workpiece and human factor, cause linearity error bigger, can't guarantee the uniformity of each location, influence the centre-to-centre spacing of front end convex cone and concave cone, the most of operation of its tight lock couplers coupler body machining process is by line is located simultaneously, inaccurate, efficient is low, causes the quality instability easily.
Summary of the invention
The object of the present invention is to provide a kind of above-mentioned position error problem of having eliminated, guarantee the accuracy of each positioning and clamping, guarantee stable processing quality, the unified tight-lock coupler body mechanical manufacturing processes of size.
The technical scheme that realizes the object of the invention is: tight-lock coupler body mechanical manufacturing processes, blank adopt the casting of E level steel, heat treatment hardness HB241-291; Described tight-lock coupler body mechanical manufacturing processes adopts the following step:
A, support bottom surface, mill the upper and lower plane of afterbody adpting flange;
Four installing holes on b, the brill support, wherein two holes are for boring, cut with scissors locating hole; And the bottom surface of support and these two brill, hinge locating holes located benchmark as the plane and two pits of later operation;
C, rough turn convex cone, curved surface and convex cone panel plane;
D, finish turning convex cone, curved surface and convex cone panel plane;
E, the plane of milling convex cone guarantee the degree of depth; Mill the convex surface that plane and two ear lug rear portions on convex cone panel two sides, the two ear lugs connect the afterbody adpting flange; Mill the shelves of opening between convex cone panel two side lower parts and ear lug thickness and the two ear lugs;
F, rough turn concave cone;
G, finish turning concave cone;
H, tailstock portion adpting flange cylindrical and two side planes, the datum hole at tailstock portion adpting flange center;
I, convex cone panel top circular arc;
J, slotting convex cone panel both sides circular arc;
Four holes on k, the boring convex cone panel, the blade row hole and the T-slot at boring convex cone rear portion;
Eight connecting holes on l, the brill afterbody adpting flange;
Screw and tapping on m, the brill two ear lugs;
N, mill concave cone opening part chamfering;
O, electric pulse T-slot ditch.
The steps d of above-mentioned tight-lock coupler body mechanical manufacturing processes and g adopt lathe in machining, and step k adopts horizontal boring anchor clamps.
The present invention has following characteristics:
(1) the present invention adopts front end plane and two pits location, has eliminated the position error problem, has guaranteed the accuracy of each positioning and clamping, also can guarantee the centre-to-centre spacing in front end convex cone and concave cone hole simultaneously.
(2) the present invention adopts the plane and two pits location, and this just accomplishes that all later process all are same benchmark location, need not to calibrate workpiece, has shortened the clamping time greatly, has improved efficient, guarantees the quality of product.
Description of drawings
For the easier quilt of content of the present invention is clearly understood, below the specific embodiment and in conjunction with the accompanying drawings of basis, the present invention is further detailed explanation, wherein
Fig. 1 is a tight lock couplers coupler body front section view of the present invention;
Fig. 2 is a tight lock couplers coupler body left view of the present invention;
Fig. 3 is a tight lock couplers coupler body right view of the present invention;
Fig. 4 is a tight lock couplers coupler body vertical view of the present invention;
The specific embodiment
(embodiment 1)
A kind of tight-lock coupler body mechanical manufacturing processes, blank adopt the casting of E level steel, heat treatment hardness HB241-291; Adding whole earlier line in man-hour, take into account each machined surface and lubber-line, mill the bottom surface of support 4, the upper and lower plane of milling the adpting flange 5 of 320 millimeters of afterbody Φ then, will be datum level with support 4 bottom surfaces when milling afterbody adpting flange 5 upper and lower planes; On support 4 bottom surfaces, draw center line then, the datum line during as 16.5 millimeters holes of brill Φ; Bore the installing hole of 16.5 millimeters of four Φ on the support 4 then, wherein two holes for bore, the hinge locating hole; And with support 4 bottom surfaces and two holes as the plane and two pits location benchmark of operation later on; Thick then, finish turning convex cone 1, curved surface and plane, finish turning adopts lathe in machining, to increase work efficiency and crudy; Draw the wide line that mills convex cone 1 plane, draws 342 millimeters of convex cone panel 3 both sides then; Draw 16 millimeters of the thickness of ear lug 6; Draw grade size of opening between the two ear lugs 6; Draw the processing line of the convex surface 7 of 80 millimeters width that two ear lugs, 6 rear portions connect the afterbody adpting flange; Mill convex cone 1 plane then, guarantee the degree of depth, mill the convex surface 7 of 80 mm wides on plane and two ear lugs, 6 rear portions on convex cone panel 3 two sides, the two ear lugs 6; Mill the shelves of opening between 3 liang of side lower parts of convex cone panel and lug 6 thickness and the two ear lugs 3; Thick then, finish turning concave cone 2 adopt lathe in machining during the finish turning concave cone, guarantee the precision in concave cone hole, raise the efficiency, and guarantee 120 ± 0.05 millimeters of the centre-to-centre spacing of convex cone 1 and concave cone 2 simultaneously; Tailstock portion adpting flange 5 cylindricals and two side planes then guarantee that convex cone panel 3 front end faces are to 26 millimeters of the thickness of 460 ± 1 millimeters length overalls between afterbody adpting flange 5 rear end faces and afterbody adpting flange 5, the Φ 56 at tailstock portion adpting flange 5 centers
0 + 0.03Datum hole 51; The circular arc of boring convex cone panel 3 top R345 millimeters then; Insert the circular arc of convex cone panel 3 both sides R60 millimeters then; 2-Φ 86 on the boring convex cone panel 3 then
0 + 0.054, 2-Φ 58
0 + 0.046Four holes, 44 millimeters blade row holes of the Φ at boring convex cone 1 rear portion and T-slot adopt horizontal boring anchor clamps, convenient mounting and clamping, good rigidly, process is easily observed; Bore on the afterbody adpting flange 5 connecting hole of 32 millimeters of eight Φ then; Bore the screw 2-M16-6H and the tapping of two ear lugs 6 then; Mill 198 millimeters of concave cone 2 opening part Φ then and take advantage of 45 degree chamferings; The T-slot ditch of electric pulse 68 degree is finished tight lock couplers coupler body machining then.
Claims (2)
1, a kind of tight-lock coupler body mechanical manufacturing processes, blank adopt the casting of E level steel, heat treatment hardness HB241-291; It is characterized in that: described tight-lock coupler body mechanical manufacturing processes adopts the following step:
A, mill support (4) bottom surface, mill the upper and lower plane of afterbody adpting flange (5);
Four installing holes on b, the brill support (4), wherein two holes are for boring, cut with scissors locating hole; And the bottom surface of support (4) and these two brill, hinge locating holes located benchmark as the plane and two pits of later operation;
C, rough turn convex cone (1), curved surface and convex cone panel (3) plane;
D, finish turning convex cone (1), curved surface and convex cone panel (3) plane;
E, mill the plane of convex cone (1), guarantee the degree of depth; Mill the convex surface (7) that convex cone panel (3) two sides, the last plane of two ear lugs (6) and two ear lug (6) rear portions connect the afterbody adpting flange; Mill the shelves of opening between convex cone panel (3) two side lower parts and ear lug (6) thickness and the two ear lugs (6);
F, rough turn concave cone (2);
G, finish turning concave cone (2);
H, tailstock portion adpting flange (5) cylindrical and two side planes, the datum hole (51) at tailstock portion adpting flange (5) center;
I, boring convex cone panel (3) top circular arc;
J, slotting convex cone panel (3) both sides circular arc;
Four holes on k, the boring convex cone panel (3), the blade row hole and the T-slot at boring convex cone rear portion;
Eight connecting holes on l, the brill afterbody adpting flange (5);
Screw and tapping on m, the brill two ear lugs (6);
N, mill concave cone (2) opening part chamfering;
O, electric pulse T-slot ditch.
2, tight-lock coupler body mechanical manufacturing processes according to claim 1 is characterized in that: steps d and g adopt lathe in machining, and step k adopts horizontal boring anchor clamps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2008100206988A CN100569433C (en) | 2008-02-22 | 2008-02-22 | Tight-lock coupler body mechanical manufacturing processes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2008100206988A CN100569433C (en) | 2008-02-22 | 2008-02-22 | Tight-lock coupler body mechanical manufacturing processes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101229613A CN101229613A (en) | 2008-07-30 |
| CN100569433C true CN100569433C (en) | 2009-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2008100206988A Expired - Fee Related CN100569433C (en) | 2008-02-22 | 2008-02-22 | Tight-lock coupler body mechanical manufacturing processes |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103143965A (en) * | 2013-03-27 | 2013-06-12 | 南车戚墅堰机车有限公司 | Numerical control vertical lathe processing device for tight-lock coupler |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104476123B (en) * | 2014-11-13 | 2017-02-15 | 中国南方航空工业(集团)有限公司 | Machining method of engine case |
| CN109305186A (en) * | 2018-09-27 | 2019-02-05 | 湖北时瑞达重型工程机械有限公司 | A kind of cast type primary coupler |
| CN114232586B (en) * | 2021-12-30 | 2023-08-01 | 中国电力工程顾问集团西北电力设计院有限公司 | Rockwell shovel drill rod connecting structure for loess investigation, rockwell shovel device and method |
-
2008
- 2008-02-22 CN CNB2008100206988A patent/CN100569433C/en not_active Expired - Fee Related
Non-Patent Citations (4)
| Title |
|---|
| 地铁密接式车钩钩体的加工工艺研究与夹具设计. 王立东.吉林工程技术师范学院学报，第21卷第3期. 2005 |
| 地铁密接式车钩钩体的加工工艺研究与夹具设计. 王立东.吉林工程技术师范学院学报，第21卷第3期. 2005 * |
| 密接车钩钩体加工工艺改进. 褚守云.机车车辆工艺，第3期. 2006 |
| 密接车钩钩体加工工艺改进. 褚守云.机车车辆工艺，第3期. 2006 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103143965A (en) * | 2013-03-27 | 2013-06-12 | 南车戚墅堰机车有限公司 | Numerical control vertical lathe processing device for tight-lock coupler |
| CN103143965B (en) * | 2013-03-27 | 2015-08-26 | 南车戚墅堰机车有限公司 | Close-connected hitch numerical control vertical lathe processing unit (plant) |
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| Publication number | Publication date |
|---|---|
| CN101229613A (en) | 2008-07-30 |
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