CN210255167U - Step frock of angularly adjustable - Google Patents
Step frock of angularly adjustable Download PDFInfo
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- CN210255167U CN210255167U CN201921008214.8U CN201921008214U CN210255167U CN 210255167 U CN210255167 U CN 210255167U CN 201921008214 U CN201921008214 U CN 201921008214U CN 210255167 U CN210255167 U CN 210255167U
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- inclination adjusting
- inclination
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- upper die
- positioning
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- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000003825 pressing Methods 0.000 claims description 9
- 238000003754 machining Methods 0.000 abstract description 5
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000005034 decoration Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 206010063659 Aversion Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
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Abstract
The utility model provides an angle-adjustable step tool, which comprises an inclination adjusting upper die and an inclination adjusting lower die, wherein the lower surface of the inclination adjusting upper die is arranged into an outward convex cambered surface, and the upper surface of the inclination adjusting lower die is arranged into an inward concave cambered surface matched with the lower surface of the inclination adjusting upper die; the lower surface of the inclination adjusting upper die is provided with an inclination positioning block, and the upper surface of the inclination adjusting lower die is provided with a plurality of inclination positioning grooves; the inclination adjusting upper die is provided with a plurality of fastening bolt holes penetrating through the upper surface and the lower surface of the inclination adjusting upper die, and the upper surface of the inclination adjusting lower die is provided with a plurality of groups of fastening bolt bottom holes; and a positioning assembly and a jacking assembly are arranged above the inclination adjusting upper die. The utility model discloses can simplify the step cambered surface processing relevant operation of the different radians of sliding bed platen, promote work efficiency, machining precision and the quality of sliding bed platen processing.
Description
Technical Field
The utility model relates to a mechanical fixture technical field, in particular to step frock of angularly adjustable.
Background
The sliding bed bedplate is an important part of a railway high-speed turnout, plays a role in supporting a switch rail and buckling and pressing a stock rail in the whole length range of the switch rail, is a safety platform for bearing the turnout switch rail and a high-speed train, and is directly related to the application and operation safety of the high-speed turnout and the high-speed train. As shown in fig. 3, the sliding bed platen is a workpiece with a square groove structure at the bottom, the outer side of the groove bottom at one end of the workpiece is in contact with the steel rail base and buckles the steel rail base downwards, and the upper surface of the sliding bed platen is used for bearing the point rail, so that the point rail can slide along the upper surface of the sliding bed platen to switch tracks. Because the part of the steel rail base which is directly contacted with the sliding bed bedplate is an irregular cambered surface, the outer side of the bottom of the sliding bed bedplate which is contacted with the steel rail base is adaptively provided with a plurality of sections of bedplate cambered surfaces with different radians so as to be convenient for attaching and stably buckling the steel rail base downwards. The sliding bed plate can form a square groove-shaped blank in a forging forming mode, and then a special cutter is used for processing a plurality of sections of plate cambered surfaces with specific radians on the outer side of the groove bottom. When the lathe or the milling machine is used for machining the bedplate cambered surfaces with different radians, different included angles are required to be formed by the blank of the cutter and the bedplate of the sliding bed, and the lathe or the milling machine is difficult to rotate by a certain angle along with the cutter due to large volume and fixed structure, so that the bedplate of the sliding bed can only be rotated by a plurality of different angles, and the bedplate cambered surfaces with different sections of radians are machined by the cutter.
SUMMERY OF THE UTILITY MODEL
The utility model provides an angularly adjustable step frock, its purpose is in order to solve the sliding bed platen when the different arcfaces of multistage radian in its tank bottom outside of processing, and rotatory sliding bed platen is inconvenient, and is difficult to the accuracy, presss from both sides tightly the location firmly, influences the problem of machining precision.
In order to achieve the purpose, the utility model provides an angle-adjustable step tool, which comprises an inclination adjusting upper die and an inclination adjusting lower die, wherein the lower surface of the inclination adjusting upper die is arranged into an outward convex cambered surface, and the upper surface of the inclination adjusting lower die is arranged into an inward concave cambered surface which is matched with the lower surface of the inclination adjusting upper die; the lower surface of the inclination adjusting upper die is provided with an inclination positioning block, the upper surface of the inclination adjusting lower die is provided with a plurality of inclination positioning grooves, and the inclination positioning block corresponds to each inclination positioning groove and is positioned on the same cross section; the inclination adjusting upper die is provided with a plurality of fastening bolt holes penetrating through the upper surface and the lower surface of the inclination adjusting upper die, the upper surface of the inclination adjusting lower die is provided with a plurality of groups of fastening bolt bottom holes, and each group of fastening bolt bottom holes correspond to one of the fastening bolt holes and are positioned on the same cross section; and a positioning assembly and a jacking assembly are arranged above the inclination adjusting upper die.
And the number of the bottom holes of each group of the fastening bolts is equal to that of the inclination positioning grooves.
The positioning assembly comprises a positioning block and a positioning pin, the positioning block is arranged on the first side of the inclination adjusting upper die, the positioning pin is arranged on the second side of the inclination adjusting upper die, and the positioning block and the positioning pin are fixedly connected with the upper surface of the inclination adjusting upper die; the first side and the second side of the inclination adjusting upper die are two adjacent sides.
Wherein, the tight subassembly in top includes a connecting plate, the connecting plate sets up and is the n type, erects the top of mould in the inclination adjustment, with mould fixed connection in the inclination adjustment, a tight bolt hole in top and the lateral wall of connecting plate have been seted up respectively insert in proper order on the tight bolt hole in top of connecting plate top and lateral wall and be equipped with first tight bolt in top and second tight bolt in top, the bottom of first tight bolt in top and second tight bolt in top is fixed respectively and is provided with a tight briquetting in top.
The first puller bolt is arranged right above the inclination adjusting upper die and is vertical to the upper surface of the inclination adjusting upper die, and the bottom end of the first puller bolt is arranged downwards; the second puller bolt is arranged on the third side of the inclination adjusting upper die and is parallel to the upper surface of the inclination adjusting upper die, and the bottom end of the second puller bolt faces the positioning pin; and the third side and the second side of the upper inclination adjusting die are opposite sides.
The above technical scheme of the utility model has following beneficial effect:
the utility model can adjust the inclination angle of the sliding bed bedplate fixed on the upper surface of the inclination adjusting upper die through the matching of the inclination adjusting upper die and the inclination adjusting lower die, and can carry out positioning and fixing through the inclination positioning block and the fastening bolt, the adjustable angle of the inclination adjusting upper die is matched with the bedplate cambered surface processing requirement of a plurality of sections of specific radians outside the bottom of the sliding bed bedplate, and the step cambered surface processing operation of the sliding bed bedplate is simplified;
the utility model discloses, it is provided with locating component and the tight subassembly in top to go up the mould upper surface in the inclination adjustment, can press from both sides tight location to the sliding bed platen of mould upper surface in the inclination adjustment for the sliding bed platen is adjusting inclination or not taking place the aversion phenomenon man-hour, has promoted reliability, precision and the quality of sliding bed platen processing.
Drawings
Fig. 1 is a front view of the overall structure of the present invention;
FIG. 2 is a left side view of the overall structure of the present invention;
fig. 3 is a schematic view of the installation and application of the present invention.
[ description of reference ]
1-inclination adjusting upper die; 2-inclination adjusting lower die; 3-inclination positioning blocks; 4-a slope positioning groove; 5-bolt hole fastening; 6-fastening bolt bottom holes; 7-sliding bed plate; 8-bedplate cambered surface; 9-fastening bolts; 10-positioning blocks; 11-a locating pin; 12-a connecting plate; 13-a first jacking bolt; 14-a second jacking bolt; 15-pressing tightly the pressing block; 16-a steel rail; 17-point rail.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.
The utility model discloses to current sliding bed platen when the different arcfaces of multistage radian in its tank bottom outside of processing, rotatory sliding bed platen is inconvenient, and is difficult to the accuracy, presss from both sides tightly the location firmly, influences the problem of machining precision, provides an angularly adjustable step frock.
As shown in fig. 1 and 2, an embodiment of the present invention provides an angle-adjustable step tool, which includes an upper slope adjustment mold 1 and a lower slope adjustment mold 2, wherein the lower surface of the upper slope adjustment mold 1 is set to be an outwardly convex arc surface, and the upper surface of the lower slope adjustment mold 2 is set to be an inwardly concave arc surface, and is matched with the lower surface of the upper slope adjustment mold 1; the lower surface of the upper inclination adjusting die 1 is provided with an inclination positioning block 3, the upper surface of the lower inclination adjusting die 2 is provided with a plurality of inclination positioning grooves 4, and the inclination positioning block 3 corresponds to each inclination positioning groove 4 and is positioned on the same cross section; the inclination adjusting upper die 1 is provided with a plurality of fastening bolt holes 5 penetrating through the upper surface and the lower surface of the inclination adjusting upper die 2, the upper surface of the inclination adjusting lower die 2 is provided with a plurality of groups of fastening bolt bottom holes 6, and each group of fastening bolt bottom holes 6 corresponds to one fastening bolt hole 5 and is positioned on the same cross section; and a positioning assembly and a jacking assembly are arranged above the inclination adjusting upper die 1.
Above-mentioned embodiment the step frock of angularly adjustable, be provided with an inclination adjustment and go up mould 1 and an inclination adjustment lower mould 2, wherein the lower surface of mould 1 is outside bellied cambered surface in the inclination adjustment, with the upper surface phase-match of the inside sunken cambered surface of inclination adjustment lower mould 2, can laminate closely each other, mould 1 can follow the upper surface slip of inclination adjustment lower mould 2 in the inclination adjustment, mould 1 and the inclination of the sliding bed platen 7 of centre gripping on its upper surface in the adjustment of inclination, so that process out different platen cambered surfaces 8 on the sliding bed platen 7. The positioning of the upper inclination adjusting die 1 and the lower inclination adjusting die 2 is completed through an inclination positioning block 3 on the lower surface of the upper inclination adjusting die 1 and a plurality of inclination positioning grooves 4 on the upper surface of the lower inclination adjusting die 2, when the inclination positioning block 3 is clamped into one of the inclination positioning grooves 4, the upper inclination adjusting die 1 inclines for a preset angle relative to the lower inclination adjusting die 2, and a cutter can process one of the platen cambered surfaces 8 on the sliding bed platen 7. At this time, each fastening bolt hole 5 of the upper inclination adjustment die 1 is aligned with one of the fastening bolt bottom holes 6 of the corresponding group, then the fastening bolt 9 is inserted into each fastening bolt hole 5 from the upper surface of the upper inclination adjustment die 1, the bottom end of the fastening bolt 9 is gradually inserted into the fastening bolt bottom hole 6 by rotating the fastening bolt 9, and finally the upper inclination adjustment die 1 and the lower inclination adjustment die 2 are integrally fixed after the fastening bolt 9 is tightened. In addition, the positioning assembly and the jacking assembly are arranged above the upper inclination adjusting die 1 and used for positioning and fixing the sliding bed bedplate 7 on the upper surface of the upper inclination adjusting die 1, so that the position of the sliding bed bedplate 7 and the inclination angle of the upper inclination adjusting die are accurate, and the machining precision and quality are ensured.
Wherein the number of the fastening bolt bottom holes 6 in each group is equal to the number of the slope positioning grooves 4. When the inclination positioning block 3 is inserted into any one of the inclination positioning grooves 4, the inclination adjusting upper die 1 is inclined by a preset angle, and at the moment, each fastening bolt hole 5 can be aligned with one of the fastening bolt bottom holes 6 of the corresponding group, so that the fastening bolt 9 can fix the inclination adjusting upper die 1 and the inclination adjusting lower die 2. Preferably, the number of the slope positioning grooves 4 and the number of the bottom holes 6 of each group of fastening bolts are three, and at the moment, the slope adjustment upper die 1 can adjust three inclination angles to be matched with three bedplate cambered surfaces 8 with different radians at the outer side of the bottom of the sliding bed bedplate 7.
Wherein, locating component is including setting up the locating piece 10 and the locating pin 11 of second side of mould 1 first side are gone up in the inclination adjustment, locating piece 10 and locating pin 11 all with mould 1's upper surface fixed connection is gone up in the inclination adjustment, wherein mould is gone up in the inclination adjustment first side and second side are adjacent both sides.
The above-mentioned embodiment positioning assembly, through setting up the locating piece 10 of mould 1 first side on the inclination adjustment, vertically fix a position the upper surface of mould 1 on the inclination adjustment to sliding bed platen 7, and set up the locating pin 11 of mould 1 second side on the inclination adjustment, then transversely fix a position the upper surface of mould 1 on the inclination adjustment to sliding bed platen 7, consequently final sliding bed platen 7 is under the mating reaction of locating piece 10 and locating pin 11, accurately fixes a position in the upper surface place plane of mould 1 in the inclination adjustment.
Wherein, the tight subassembly in top includes a connecting plate 12, connecting plate 12 sets up and is the n type, erects the top of mould 1 in the inclination adjustment, with mould 1 fixed connection in the inclination adjustment, a tight bolt hole in top and the lateral wall of connecting plate 12 have been seted up respectively insert in proper order on the tight bolt hole in top of connecting plate 12 top and lateral wall and be equipped with first tight bolt 13 and second tight bolt 14 in top, the bottom of first tight bolt 13 and second tight bolt 14 in top is fixed respectively and is provided with a tight briquetting 15 in top. The first puller bolt 13 is arranged right above the inclination adjusting upper die 1 and is vertical to the upper surface of the inclination adjusting upper die 1, and the bottom end of the first puller bolt 13 is arranged downwards; the second puller bolt 14 is arranged on the third side of the inclination adjusting upper die 1 and is parallel to the upper surface of the inclination adjusting upper die 1, and the bottom end of the second puller bolt 14 faces the positioning pin 11; wherein the third side and the second side of the upper inclination adjusting die 1 are opposite sides.
The above embodiment of the utility model the tight subassembly in top press from both sides tight fixedly to slide bed platen 7 that mould 1 upper surface has been fixed a position in the inclination adjustment through first tight bolt 13 in top and second tight bolt 14. First jack bolt 13 and second jack bolt 14 all set up in the jack bolt hole on connecting plate 12, support through connecting plate 12, and connecting plate 12 is n type structure, erects the top position of going up mould 1 upper surface in the inclination adjustment. The first tightening bolt 13 is inserted in the top plate position of the connecting plate 12 perpendicularly to the upper surface of the upper inclination adjusting die 1, the bottom end of the first tightening bolt 13, which is provided with the tightening pressing block 15, faces the upper inclination adjusting die 1, the first tightening bolt 13 is screwed down to enable the bottom end of the first tightening bolt and the tightening pressing block 15 to move towards the upper surface of the upper inclination adjusting die 1, the sliding bed table plate 7 is tightly pressed and fixed on the upper surface of the upper inclination adjusting die 1, and the movement of the sliding bed table plate 7 in the direction perpendicular to the upper surface of the upper inclination adjusting die 1 is limited. The second jacking bolt 14 is inserted into a side plate of the connecting plate 12 and arranged in parallel with the upper surface of the inclination adjusting upper die 1, the bottom end of the second jacking bolt provided with the jacking pressing block 15 faces the positioning pin 11, the second jacking bolt 14 is screwed down to enable the bottom end of the second jacking bolt and the jacking pressing block 15 to move towards the positioning pin 11, the sliding bed bedplate 7 is clamped and fixed through the matching of the jacking pressing block 15 and the positioning pin 11, and the movement of the sliding bed bedplate 7 in the plane of the upper surface of the inclination adjusting upper die 1 is limited. Therefore, the first puller bolt 13 and the second puller bolt 14 are matched to clamp and fix the slide bed plate 7 on the upper surface of the upper inclination adjusting die 1 comprehensively, and the processing reliability and precision of the slide bed plate 7 are improved.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. The step tool with the adjustable angle is characterized by comprising an inclination adjusting upper die and an inclination adjusting lower die, wherein the lower surface of the inclination adjusting upper die is provided with an outwards convex cambered surface, and the upper surface of the inclination adjusting lower die is provided with an inwards concave cambered surface matched with the lower surface of the inclination adjusting upper die; the lower surface of the inclination adjusting upper die is provided with an inclination positioning block, the upper surface of the inclination adjusting lower die is provided with a plurality of inclination positioning grooves, and the inclination positioning block corresponds to each inclination positioning groove and is positioned on the same cross section; the inclination adjusting upper die is provided with a plurality of fastening bolt holes penetrating through the upper surface and the lower surface of the inclination adjusting upper die, the upper surface of the inclination adjusting lower die is provided with a plurality of groups of fastening bolt bottom holes, and each group of fastening bolt bottom holes correspond to one of the fastening bolt holes and are positioned on the same cross section; and a positioning assembly and a jacking assembly are arranged above the inclination adjusting upper die.
2. The angle-adjustable step tool according to claim 1, wherein the number of the bottom holes of each group of the fastening bolts is equal to the number of the slope positioning grooves.
3. The step tool with the adjustable angle of claim 1, wherein the positioning assembly comprises a positioning block and a positioning pin, the positioning block and the positioning pin are arranged on a first side and a second side of the upper inclination adjusting die, and the positioning block and the positioning pin are fixedly connected with the upper surface of the upper inclination adjusting die; the first side and the second side of the inclination adjusting upper die are two adjacent sides.
4. The step tool with the adjustable angle of claim 3, wherein the tightening assembly comprises a connecting plate, the connecting plate is n-shaped and is erected above the inclination adjusting upper die and is fixedly connected with the inclination adjusting upper die, tightening bolt holes are respectively formed in the top and the side wall of the connecting plate, a first tightening bolt and a second tightening bolt are sequentially inserted into the tightening bolt holes in the top and the side wall of the connecting plate, and tightening pressing blocks are respectively fixedly arranged at the bottom ends of the first tightening bolt and the second tightening bolt.
5. The step tool with the adjustable angle of claim 4, wherein the first puller bolt is arranged right above the inclination adjusting upper die and is perpendicular to the upper surface of the inclination adjusting upper die, and the bottom end of the first puller bolt is arranged downwards; the second puller bolt is arranged on the third side of the inclination adjusting upper die and is parallel to the upper surface of the inclination adjusting upper die, and the bottom end of the second puller bolt faces the positioning pin; and the third side and the second side of the upper inclination adjusting die are opposite sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921008214.8U CN210255167U (en) | 2019-07-01 | 2019-07-01 | Step frock of angularly adjustable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921008214.8U CN210255167U (en) | 2019-07-01 | 2019-07-01 | Step frock of angularly adjustable |
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| Publication Number | Publication Date |
|---|---|
| CN210255167U true CN210255167U (en) | 2020-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921008214.8U Active CN210255167U (en) | 2019-07-01 | 2019-07-01 | Step frock of angularly adjustable |
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| CN (1) | CN210255167U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112317577A (en) * | 2020-10-15 | 2021-02-05 | 贵州航天精工制造有限公司 | Device for locking screw sleeve single-point closing in and using method |
-
2019
- 2019-07-01 CN CN201921008214.8U patent/CN210255167U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112317577A (en) * | 2020-10-15 | 2021-02-05 | 贵州航天精工制造有限公司 | Device for locking screw sleeve single-point closing in and using method |
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