CN215659100U - Special clamp for machining vertical drilling and milling center flange - Google Patents
Special clamp for machining vertical drilling and milling center flange Download PDFInfo
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- CN215659100U CN215659100U CN202122016071.9U CN202122016071U CN215659100U CN 215659100 U CN215659100 U CN 215659100U CN 202122016071 U CN202122016071 U CN 202122016071U CN 215659100 U CN215659100 U CN 215659100U
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Abstract
The utility model relates to the technical field of mechanical manufacturing, and discloses a special fixture for processing a vertical drilling and milling center flange. This a special fixture for vertical brill mills central flange processing, through the benchmark of cone, can be quick find the flange central point, the nut is screwed in step to the rethread, make the mounting plate fastening wait to process the flange, avoided porous middle-size and small-size flange to bore to mill to add on vertical processing center can be because of counterpointing inaccurate or repeated counterpoint in-process, cause the finished product flange of processing to go wrong, will counterpoint and the fixed mode of clamping become more succinct, the degree of difficulty when reducing location and clamping.
Description
Technical Field
The utility model relates to the technical field of machine manufacturing, in particular to a special clamp for processing a vertical drilling and milling center flange.
Background
The flange in the shock absorber subassembly of marine medium speed four-stroke diesel engine is as the important work piece of connecting action wheel, follow driving wheel and locating rack, and the flange has more location pinhole and connecting screw to the usefulness of being connected with other parts, will usually select to use vertical brill to mill the center in the production process and process, guarantee higher machining precision requirement.
The existing drilling and milling center is used for drilling, in order to avoid interference between a cutter and a workbench, a workpiece needs to be heightened, the positions where a cushion block and a pressing plate are placed are away from a certain distance of a processing hole, the cutter is prevented from interfering in processing, when each hole of an inner ring and an outer ring is processed, the pressing plate needs to be lapped twice, namely, when the hole of the outer ring is processed, the pressing plate is lapped outwards from the middle of an inner hole of a flange, when the hole of the inner ring is processed, the pressing plate is fixed on two sides of the outer side of the flange, the clamping and fixing mode is high in positioning requirements on the cushion block and the pressing plate, and the clamping and fixing mode is complex and difficult to control, increases the difficulty of an operator in clamping, and reduces the processing efficiency.
SUMMERY OF THE UTILITY MODEL
Aiming at the defect of flange drilling, milling and fixing, the utility model provides the special fixture for processing the flange of the vertical drilling and milling center, which has the advantages of convenience in positioning and higher efficiency and solves the problems of difficult positioning and complex operation.
The utility model provides the following technical scheme: the utility model provides a special fixture for vertical brill mills central flange processing, includes the mount table, U type groove has been seted up on the upper portion of mount table, the last fixed surface of mount table installs the base, the upper portion fixed mounting of base has the cushion table, the inner chamber welding of base has four evenly distributed's dead lever, the one end fixed mounting of dead lever has the fixture block, the central point department of putting of inner chamber of base has placed the arrangement frame, the side of settling the frame has seted up smooth chamber, and the inside joint of smooth chamber is in the outside of fixture block, the upper portion fixed mounting of settling the frame has the board of accepting, the central point department fixed mounting who puts on board upper portion of accepting has the benchmark.
Preferably, the upper part of the mounting table is fixedly provided with a position-fixing plate, the top of the position-fixing plate is provided with a side opening, the inside of the side opening is movably sleeved with a positioning rod, and one end of the positioning rod is fixedly provided with a pressing plate.
Preferably, a through hole is formed in the middle of the pressing plate, an end head is fixedly mounted at one end of the pressing plate, and a groove head is arranged at the bottom of the end head.
Preferably, the upper surface of the mounting table is fixedly provided with a T screw rod located between the base and the position fixing plate, a pressing plate is sleeved outside one end of the T screw rod, the middle outside of the T screw rod is connected with a fastening plate through screw threads, a limiting block located below the fastening plate is fixedly installed outside the T screw rod, and a clamping head is fixedly installed on one side of the fastening plate.
Preferably, the mounting table is fixedly provided with a bottom contact upright post extending to the inner cavity of the placement frame, and the inner cavity of the placement frame is fixedly provided with a return spring positioned above the bottom contact upright post.
Compared with the prior art, the utility model has the following beneficial effects:
1. this a special fixture for vertical brill mills central flange processing, through the benchmark of cone, can be quick find the flange central point, the nut is screwed in step to the rethread, make the mounting plate fastening wait to process the flange, avoided porous middle-size and small-size flange to bore to mill to add on vertical processing center can be because of counterpointing inaccurate or repeated counterpoint in-process, cause the finished product flange of processing to go wrong, will counterpoint and the fixed mode of clamping become more succinct, the degree of difficulty when reducing location and clamping.
2. This a special fixture for vertical brill mills central flange processing, fix a position the back through the benchmark, the flange of treating of clamping is fixed to the fastening plate in step, the fixed back in position of mounting plate, do not need the repeated location to the flange of treating processing next time, the clamp plate compresses tightly fixedly downwards the secondary, clamp plate end level pressure flange avris, when drilling and milling each hole of processing inner and outer lane, need not carry out the secondary and overlap the dress, avoided because of the stroke restriction, the cutter interferes and the production efficiency reduction that the zero position alignment of repetition leads to.
Drawings
FIG. 1 is a schematic front view of a half-section of the structure of the present invention;
FIG. 2 is a schematic top view of the structure of the present invention;
FIG. 3 is a schematic view of the end of a platen according to the present invention.
In the figure: 1. an installation table; 2. a base; 3. a cushion table; 4. fixing a rod; 41. a clamping block; 5. a mounting frame; 51. a slide chamber; 52. a return spring; 53. a bottom-touching upright post; 6. a bearing plate; 7. a reference point; 8. a position-retaining plate; 9. a side port; 10. positioning a rod; 11. pressing a plate; 111. a through hole; 112. a tip; 113. a slot head; 12. a T screw; 13. a limiting block; 14. a fastening plate; 141. a position clamping head; 15. a U-shaped groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, a special fixture for vertical drilling and milling center flange processing comprises a mounting table 1, a U-shaped groove 15 is formed in the upper portion of the mounting table 1, a base 2 is fixedly mounted on the upper surface of the mounting table 1, a cushion table 3 is fixedly mounted on the upper portion of the base 2, four fixed rods 4 are welded in the inner cavity of the base 2 and are uniformly distributed, a fixture block 41 is fixedly mounted at one end of each fixed rod 4, a mounting frame 5 is placed at the central position of the inner cavity of the base 2, a sliding cavity 51 is formed in the side surface of the mounting frame 5, the inside of the sliding cavity 51 is clamped outside the fixture block 41, a bearing plate 6 is fixedly mounted on the upper portion of the mounting frame 5, a reference point 7 is fixedly mounted at the central position of the upper portion of the bearing plate 6, the mounting table 1 is a mounted base plate, the U-shaped groove 15 is a notch formed by butting the fixture and a T-shaped groove of a working table, the base 2 is a fixed bottom plate of the fixture, a larger space exists between the cushion table 3 and the base, when the flange is drilled and milled, a tool can be prevented from touching the clamp, the fixed rod 4 and the fixture block 41 are fixed rods of a fixed alignment mechanism, the mounting frame 5 and the bearing plate 6 are used for fixing the reference point 7 and keeping the reference point on a horizontal plane, so as to ensure the alignment precision, the sliding cavity 51 is a containing cavity for mounting the fixture block 41, the upper part of the mounting table 1 is fixedly provided with a fixed plate 8, the top of the fixed plate 8 is provided with a side opening 9, the inside of the side opening 9 is movably sleeved with a positioning rod 10, one end of the positioning rod 10 is fixedly provided with a pressing plate 11, the fixed plate 8 is a mounting template of the fixed mechanism, the side opening and the positioning rod can limit and fix the pressing plate 11, the pressing plate 11 can tightly press the side of the flange to be processed, so as to fix the flange, the middle part of the pressing plate 11 is provided with a through hole 111, one end 112 is fixedly mounted at one end of the pressing plate 11, the bottom of the end 112 is provided with a groove head 113, and the through hole 111 is a positioning hole cavity, the end 112 and the concave-convex groove head 113 can increase the friction force when the end is pressed, so that the fixation is more stable, the upper surface of the mounting table 1 is fixedly provided with a T screw 12 positioned between the base 2 and the position fixing plate 8, the outer part of one end of the T screw 12 is sleeved with the pressing plate 11, the outer part of the middle part of the T screw 12 is connected with the fastening plate 14 through screw threads, the outer part of the T screw 12 is fixedly provided with a limiting block 13 positioned below the fastening plate 14, one side of the fastening plate 14 is fixedly provided with a clamping head 141, the T screw 12 is a track for pressing the pressing plate 11 downwards and a track for translating the fastening plate 14, and simultaneously limits and fixes two mechanisms capable of compressing, the clamping heads 141 are two bodies and can be pressed against the outer part of the flange to be processed by two point positions when fastening, so as to avoid the flange with a round section from being separated from the clamp, the upper surface of the mounting table 1 is fixedly provided with a bottom contact upright column 53 extending to the inner cavity of the mounting frame 5, the inner chamber fixed mounting who settles frame 5 has the reset spring 52 that is located and touches end stand 53 top, and reset spring 52 can make the counterpoint mechanism after pushing down, and after the flange that the brill milled the processing and accomplished takes off, resets so that the counterpoint of next datum point 7, touches end stand and can restrict positioning mechanism's the biggest limit that pushes down, avoids external force to apply pressure down, and positioning mechanism surpasss the biggest distance that pushes down, causes destruction to fixed dead lever 4, influences the normal operating of equipment.
The working principle is as follows: when the special clamp is used, the special clamp is horizontally placed on a workbench, the U-shaped groove 15 of the mounting table 1 is aligned with the T-shaped groove of the workbench, the stud nut washer assembly is pre-tightened (at the moment, the clamp is in a relatively horizontal position), the dial indicator is mounted on a machine tool spindle to horizontally align the mounting table 1, the stud nut washer assembly is tightened, the lower plane of the large excircle of the flange with the processed inner hole and excircle is downwards hoisted onto the special clamp, the datum point 7 of the cone is used as a reference for quick positioning, the fastening plate 14 is synchronously tightened to fix the flange, the pressing plate 11 is erected, the fastening nut is additionally mounted at the top end of the T-shaped screw 12 to fasten the pressing plate 11 (when parts are processed in batches, only the first part needs to be positioned and aligned, the zero position alignment time is reduced), then the flange with the processed is taken down, and drilling and milling operations are carried out by repeated tightening, and (4) finishing.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Also in the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the present invention. In the drawings of the present invention, the filling pattern is only for distinguishing the layers, and is not limited to any other way.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a special fixture for vertical brill mills central flange processing, includes mount table (1), its characterized in that: u type groove (15) have been seted up on the upper portion of mount pad (1), the last fixed surface of mount pad (1) installs base (2), the upper portion fixed mounting of base (2) has pad platform (3), the inner chamber welding of base (2) has four evenly distributed's fixed rod (4), the one end fixed mounting of fixed rod (4) has fixture block (41), the central point department of putting of base (2) inner chamber has placed arrangement frame (5), smooth chamber (51) have been seted up to the side of arrangement frame (5), and the inside joint of smooth chamber (51) is in the outside of fixture block (41), the upper portion fixed mounting of arrangement frame (5) has accepts board (6), the central point department fixed mounting who accepts board (6) upper portion has datum point (7).
2. The special fixture for processing the vertical drilling and milling center flange as claimed in claim 1, wherein: the upper portion of the mounting table (1) is fixedly provided with a position fixing plate (8), the top of the position fixing plate (8) is provided with a side opening (9), a positioning rod (10) is movably sleeved inside the side opening (9), and one end of the positioning rod (10) is fixedly provided with a pressing plate (11).
3. The special fixture for processing the vertical drilling and milling center flange as claimed in claim 2, wherein: the middle of the pressing plate (11) is provided with a through hole (111), one end of the pressing plate (11) is fixedly provided with an end head (112), and the bottom of the end head (112) is provided with a groove head (113).
4. The special fixture for processing the vertical drilling and milling center flange as claimed in claim 1, wherein: the utility model discloses a fixing device for fixing a position of a fixing plate, including mount table (1), T screw rod (12) that last fixed surface of mount table (1) installed and is located between base (2) and position fixing plate (8), and the outside of T screw rod (12) one end has cup jointed clamp plate (11), there is mounting plate (14) outside in the middle of T screw rod (12) through screw rod threaded connection, the outside fixed surface of T screw rod (12) installs and is located limiting block (13) of mounting plate (14) below, one side fixed mounting of mounting plate (14) has the position clamping head (141).
5. The special fixture for processing the vertical drilling and milling center flange as claimed in claim 1, wherein: fixed surface installs and touches end stand (53) that extend to arrangement frame (5) inner chamber on mount table (1), the inner chamber fixed mounting who settles frame (5) has reset spring (52) that are located and touch end stand (53) top.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202122016071.9U CN215659100U (en) | 2021-08-25 | 2021-08-25 | Special clamp for machining vertical drilling and milling center flange |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202122016071.9U CN215659100U (en) | 2021-08-25 | 2021-08-25 | Special clamp for machining vertical drilling and milling center flange |
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CN215659100U true CN215659100U (en) | 2022-01-28 |
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CN202122016071.9U Active CN215659100U (en) | 2021-08-25 | 2021-08-25 | Special clamp for machining vertical drilling and milling center flange |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116533027A (en) * | 2023-07-03 | 2023-08-04 | 河北筑宁乾阀门制造有限公司 | Valve processing location frock clamp |
-
2021
- 2021-08-25 CN CN202122016071.9U patent/CN215659100U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116533027A (en) * | 2023-07-03 | 2023-08-04 | 河北筑宁乾阀门制造有限公司 | Valve processing location frock clamp |
CN116533027B (en) * | 2023-07-03 | 2023-08-29 | 河北筑宁乾阀门制造有限公司 | Valve processing location frock clamp |
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