CN102975058B - Fixture for processing of each side-bracket center square frame of railway freight car - Google Patents
Fixture for processing of each side-bracket center square frame of railway freight car Download PDFInfo
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- CN102975058B CN102975058B CN201210513740.6A CN201210513740A CN102975058B CN 102975058 B CN102975058 B CN 102975058B CN 201210513740 A CN201210513740 A CN 201210513740A CN 102975058 B CN102975058 B CN 102975058B
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Abstract
The invention provides a fixture for the processing of each side-bracket center square frame of a railway freight car, mainly aiming at the problems such asof low processing efficiency and poor processing face precision of the existing side-bracket center square frames. The fixture for the processing of each side-bracket center square frame of the railway freight car is characterized by comprising two clamping body assemblies (1), wherein the clamping body assemblies are relatively independent and symmetric; each clamping body assembly (1) comprises a bottom plate (11) and an upright plate (13); the upper part of the bottom plate (11) areis connected with double-end bolts (7); the front part of each double-end bolt (7) is connected with a revolution bolt (3); each double-end bolt (7) and the upper part of each revolution bolt (3) are commonly connected with a U-shaped pressing plate (4); a guide iron pad (15) and a positioning block (16) are fixedly arranged on the upper part of each upright plate (13); moreover, a rotatable pressing plate (14) is connected onto each upright plate (13) through bolts; the top part of each upright plate (13) is connected with a tilting prevention baffle plate (17); and a tilting prevention plug pin (5) penetrates into each tilting prevention baffle plate (17). With the adoption of the fixture, the processing of a slotting machine can be changed into the processing of a milling machine; and therefore, the processing efficiency is improved greatly and the processing face precision is improved as well.
Description
Technical field
The present invention relates to a kind of mechanical field, specifically a kind of frock for the processing of side frame of train wagon central square frame.
Background technology
Bogie is parts important on railway freight-car, it decides the safety and reliability of operation, wherein side frame is the main stressed member of bogie, plays a part to bear, transmit each active force and load, and its crudy plays vital effect to traffic safety.Along with railway freight-car demand cumulative year after year in recent years, the increase of state's iron and outlet lorry kind, effectively improving Processing Side Frame quality and working (machining) efficiency is currently produce the key issue being badly in need of solving.Processing Side Frame is one important procedure in central square frame processing, and side frame central square frame place working (finishing) area comparatively large (about 220x300), one-sided processing capacity is at 8-10 mm, and two sides need to machine in clamped one time.Current employing slotting machine processing, because slotting tool cutting face is little, up and down reciprocatingly need process, cause working (machining) efficiency lower, machined surface roughness is poor, and every part machining period needs 75 minutes; Simultaneously because the situation of upper and lower cutter relieving easily appears in slotting machine processing, directly affect size and machined surface flatness between two sides.Therefore, if improve the working (machining) efficiency of central square frame and ensure crudy, need to change processing mode, change slotting machine and be processed as milling machine processing, but the side frame of milling machine processing at present central square frame does not have corresponding frock, milling machine is processed cannot carry out.
Summary of the invention
In order to overcome, existing side frame central square frame working (machining) efficiency is low, the deficiency of machined surface low precision, the invention provides a kind of frock for the processing of side frame of train wagon central square frame, adopt this frock, slotting machine can be changed and be processed as milling machine processing, substantially increase working (machining) efficiency, improve machined surface precision.
Technical scheme of the present invention is: a kind of frock for the processing of side frame of train wagon central square frame, comprise the relatively independent and clamp body assembly that left and right is symmetrical, two clamp body assemblies are located on milling machine table respectively by key, and be fixed on milling machine table by tommyhead bolt, described clamp body assembly comprises base plate, vertically be fixed on the riser on base plate, and riser is positioned at the left rear side in floor level direction, the right side that described base plate top is positioned at riser is connected with stud, the front portion of stud is connected with revolution bolt, stud and revolution bolt top connect U-shaped pressing plate jointly, U-shaped pressing plate is longitudinally fixed side frame through the looping pit baseplane of side frame, described plate upper surface has been connected by screw fixing parallels, and the upper and lower surface of fixing parallels is parallel,
Described riser top is fixed with guiding parallels for limiting position, the left and right sides in side frame horizontal plane and locating piece, and riser has been bolted rotatable pressing plate, compresses the outer drawing strickle guide of side frame after pressing plate is fixing; Described riser top is connected with anti-down baffle plate, and anti-down baffle plate has groove, is installed with the anti-down latch that can prevent side frame from toppling over to side in groove; The middle part of described riser is connected with the bolt for limiting front and back position in side frame horizontal plane.
Groove on described anti-down baffle plate is strip groove, and be cylindrical in the middle part of described anti-down latch, one end is handle, and the cross section of the other end is rectangle, and between the rectangular length value length that is in groove on anti-down baffle plate and width.
The present invention has following beneficial effect: owing to taking such scheme, and the clamp body assembly of arranged on left and right sides is relatively independent, can to vary in size the distance adjusted between two clamp body assemblies, achieve a frock multiplex according to side frame model; And this frock adopts anti-down latch to prevent side frame from toppling over, clamped by four clamping points, thus the processing that clamped one time completes central square frame can be realized.Be processed as milling machine processing owing to changing slotting machine, improve working (machining) efficiency, solve in the low and processing of machined surface precision and easily occur the problem of cutter relieving improve product quality.
Accompanying drawing explanation
Fig. 1 is front view of the present invention (omission left-half);
Fig. 2 is top view of the present invention;
Fig. 3 is the structural representation of workpiece;
Fig. 4 is the front view of left side clamp body;
Fig. 5 is the left view of left side clamp body;
Fig. 6 is the top view of left side clamp body;
Fig. 7 is the structural representation of anti-down latch;
Fig. 8 is the sectional view along A-A in Fig. 7.
1-clamp body assembly in figure, 2-T shape bolt, 3-turns round bolt, 4-U shape pressing plate, the anti-down latch of 5-, 6-key, 7-stud, 11-base plate, 12-fixes parallels, 13-riser, 14-pressing plate, 15-leads parallels, 16-locating piece, the anti-down baffle plate of 17-, 18-bolt, 19-locates parallels, the outer drawing strickle guide of 21-, 22-looping pit baseplane, 23-central square frame.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described:
By shown in Fig. 1 to Fig. 6, symmetrical owing to being in Fig. 1 to Fig. 3, therefore, eliminate left-half.A kind of frock for the processing of side frame of train wagon central square frame, comprise the clamp body assembly 1 that left and right is symmetrical, two clamp body assemblies 1 are relatively independent, can to vary in size the distance adjusted between clamp body assembly 1 according to the model of processed side frame, thus adapt to different workpiece, realize a frock multiplex.Two clamp body assemblies 1 are located on milling machine table respectively by key 6, ensure that clamp body assembly 1 relative workbench front and back position in left and right is consistent, and clamp body 1 are fixed on milling machine table by tommyhead bolt 2.
Because the clamp body assembly structure of the left and right sides is identical, and symmetrical, therefore, be described in detail for one of them clamp body assembly below.
Described clamp body assembly 1 comprises base plate 11, is inlaid with key 6 bottom base plate 11, is located on the table by key 6.Base plate 11 upper vertical is fixed with riser 13, and riser 13 is positioned at the left rear side of base plate 11 horizontal direction, described base plate 11 is connected with stud 7, and stud 7 is positioned at the right side of riser 13, the front portion of stud 7 is connected with revolution bolt 3, and stud 7 and revolution bolt 3 top connect U-shaped pressing plate 4 jointly, and U-shaped pressing plate 4 is through the looping pit baseplane 22 of side frame, after tightening stud 7 and revolution bolt 3 top nut, longitudinally can be fixed side frame; Be connected on base plate by column bottom revolution bolt 3, be connected by rotating shaft between upper screw with column, screw rod can rotate around the axis, thus screw rod can be fallen, and makes clamping workpiece convenient.Described base plate 11 upper surface has been connected by screw fixing parallels 12, and the upper and lower surface of fixing parallels 12 is parallel, is adding man-hour, is being placed on by side frame workpiece on fixing parallels 12, vertical with side frame end face to ensure side frame central square frame 23 two sides.
Fixed guide parallels 15 and locating piece 16 on the frontal plane on described riser 13 top, for limiting position, the left and right sides in side frame horizontal plane, locating piece 16 is fixed with location parallels 19, be positioned at side frame side plane symmetric position place, bilateral symmetry location parallels 19 and machine tool horizontal guide rail parallel, ensure that side frame location clamps rear and machine tool horizontal guide rail parallel, and riser 13 has been bolted rotatable pressing plate 14, the outer drawing strickle guide 21 of side frame after pressing plate 14 is fixing, can be compressed, described riser 13 top is connected with anti-down baffle plate 17, anti-down baffle plate 17 has groove, the anti-down latch 5 that can prevent side frame from toppling over to side is installed with in groove, groove on anti-down baffle plate 17 is strip groove, be cylindrical (as Fig. 7 in the middle part of anti-down latch 5, Fig. 8), one end is handle, the other end is cross section is rectangular termination, and between the rectangular length value length that is in groove on anti-down baffle plate 17 and width, before clamping work pieces, anti-down latch 5 is inserted in the groove on anti-down baffle plate 17 like this, then by anti-down latch 5 half-twist, side frame just catches on by termination, side frame is connected with clamp body assembly 1, when effectively preventing not having thrust, side frame is toppled over.The middle part of described riser 13 is connected with the bolt 18 for limiting front and back position in side frame horizontal plane, and the end of adjustment bolt 18 withstands on side frame trailing flank, vertical with platen face after ensureing side frame clamping.
Adopt this frock, solve that former side frame central square frame slotting machine working (machining) efficiency is low, crudy is poor and in processing, easily occur the quality problems of cutter relieving.The every locating clip meeting the processing of milling central square frame is critically asked, and be 42 minutes by single-piece work time shorten, crudy and surface roughness are all improved, and solves the key issue that this operation working ability is not enough, quality is unstable.
Claims (2)
1. the frock for the processing of side frame of train wagon central square frame, comprise the relatively independent and clamp body assembly (1) that left and right is symmetrical, two clamp body assemblies (1) are located on milling machine table respectively by key (6), and be fixed on milling machine table by tommyhead bolt (2), it is characterized in that: described clamp body assembly (1) comprises base plate (11), vertically be fixed on the riser (13) on base plate (11), and riser (13) is positioned at the left rear side of base plate (11) horizontal direction, the right side that described base plate (11) top is positioned at riser (13) is connected with stud (7), the front portion of stud (7) is connected with revolution bolt (3), stud (7) and revolution bolt (3) top connect U-shaped pressing plate (4) jointly, U-shaped pressing plate (4) is longitudinally fixed side frame through the looping pit baseplane (22) of side frame, described base plate (11) upper surface has been connected by screw fixing parallels (12), and the upper and lower surface of fixing parallels (12) is parallel,
Described riser (13) top is fixed with guiding parallels (15) for limiting position, the left and right sides in side frame horizontal plane and locating piece (16), and riser (13) has been bolted rotatable pressing plate (14), compress the outer drawing strickle guide (21) of side frame after pressing plate (14) is fixing; Described riser (13) top is connected with anti-down baffle plate (17), and (17) have groove to anti-down baffle plate, is installed with the anti-down latch (5) that can prevent side frame from toppling over to side in groove; The middle part of described riser (13) is connected with the bolt (18) for limiting front and back position in side frame horizontal plane.
2. the frock for the processing of side frame of train wagon central square frame according to claim 1, it is characterized in that: the groove on described anti-down baffle plate (17) is strip groove, described anti-down latch (5) middle part is cylindrical, one end is handle, the cross section of the other end is rectangle, and between the rectangular length value length that is in the upper groove of anti-down baffle plate (17) and width.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210513740.6A CN102975058B (en) | 2012-12-05 | 2012-12-05 | Fixture for processing of each side-bracket center square frame of railway freight car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210513740.6A CN102975058B (en) | 2012-12-05 | 2012-12-05 | Fixture for processing of each side-bracket center square frame of railway freight car |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102975058A CN102975058A (en) | 2013-03-20 |
| CN102975058B true CN102975058B (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210513740.6A Active CN102975058B (en) | 2012-12-05 | 2012-12-05 | Fixture for processing of each side-bracket center square frame of railway freight car |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108422232A (en) * | 2018-06-08 | 2018-08-21 | 新兴移山（天津）重工有限公司 | A kind of fixing device for plate punching |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2715397Y (en) * | 2004-06-22 | 2005-08-03 | 张海建 | Special fixture for manufacturing connection conductor parts |
| CN102114601A (en) * | 2009-12-31 | 2011-07-06 | 山西晋西精密机械有限责任公司 | Special clamp for manufacturing lateral frame of railway vehicle |
| JP2012187592A (en) * | 2011-03-09 | 2012-10-04 | Toyo Mach & Metal Co Ltd | Fixture |
| CN202910615U (en) * | 2012-12-05 | 2013-05-01 | 齐齐哈尔市金车工业公司 | Tool for machining railway wagon side frame central square frame |
-
2012
- 2012-12-05 CN CN201210513740.6A patent/CN102975058B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2715397Y (en) * | 2004-06-22 | 2005-08-03 | 张海建 | Special fixture for manufacturing connection conductor parts |
| CN102114601A (en) * | 2009-12-31 | 2011-07-06 | 山西晋西精密机械有限责任公司 | Special clamp for manufacturing lateral frame of railway vehicle |
| JP2012187592A (en) * | 2011-03-09 | 2012-10-04 | Toyo Mach & Metal Co Ltd | Fixture |
| CN202910615U (en) * | 2012-12-05 | 2013-05-01 | 齐齐哈尔市金车工业公司 | Tool for machining railway wagon side frame central square frame |
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| CN102975058A (en) | 2013-03-20 |
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Address after: 161002 Qigihar City, Heilongjiang province Tiefeng District vision Street No. 1 Patentee after: QIQIHAR JINCHE INDUSTRY COMPANY Address before: 161002 Qigihar City, Heilongjiang province Tiefeng District vision Street No. 1 Patentee before: Qiqihar Jinche Industry Company |