CN218747059U - Flexible device for hollow shaft inner support - Google Patents
Flexible device for hollow shaft inner support Download PDFInfo
- Publication number
- CN218747059U CN218747059U CN202222805247.3U CN202222805247U CN218747059U CN 218747059 U CN218747059 U CN 218747059U CN 202222805247 U CN202222805247 U CN 202222805247U CN 218747059 U CN218747059 U CN 218747059U
- Authority
- CN
- China
- Prior art keywords
- wedge block
- hollow shaft
- flexible device
- voussoir
- core shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The utility model discloses a hollow shaft class internal stay flexible device, including the left end lid, the right-hand member lid, the inner core axle, the outer core axle, the supporting shoe, go up the voussoir, lower voussoir reset assembly, hydraulic nut and right-hand member lid, wherein the inner core axle sets up inside the outer core axle, the left end lid sets up in the outer core axle left side, right-hand member lid sets up on outer core axle right side top, dabber outside right-hand member including the right-hand member lid cup joints, dabber outside right-hand member and right-hand member lid butt including hydraulic nut sets up, go up voussoir and lower voussoir correspond the setting from top to bottom, go up voussoir and lower voussoir setting outside between dabber and left end lid and outer core axle and right-hand member lid, the supporting shoe sets up in the upper voussoir outside, voussoir reset assembly sets up between upper voussoir and lower voussoir. The hollow shaft type inner support flexible device is wide in application range, effectively improves the machining precision of the hollow shaft, can be suitable for multiple functions, and effectively reduces production and use costs.
Description
Technical Field
The utility model belongs to the technical field of the hollow shaft class internal stay, especially, relate to a hollow shaft class internal stay flexible installation.
Background
In order to reduce the weight and the cost of large-diameter shaft parts during design, a hollow design structure with a hollow shaft diameter is usually adopted, the hollow shaft diameter causes that a fixed center cannot directly act on the shaft parts during machining of a lathe, a cylindrical grinding machine and a gear grinding machine, and an umbrella-shaped movable center or a method for increasing a blank cap is adopted for machining during actual machining.
The umbrella-shaped live center has a certain aperture adjusting range, but due to the structural limitation of the built-in bearing, the umbrella-shaped live center has a certain radial movement amount, and is not suitable for being used in high-precision machining.
The method for increasing the blank cap is to process the blank cap in advance, the excircle of the blank cap is processed according to the aperture size of the shafts separately, the contact surface of the blank cap and the excircle of the blank cap is in transition fit, and the aperture size of the shafts has certain processing range and error, so that the blank cap needs to be configured separately according to the number of the shaft parts when an enterprise actually uses the blank cap and the shafts, the blank cap and the shafts are used one by one, the production cost of the enterprise is increased, and the labor intensity of workers is increased.
SUMMERY OF THE UTILITY MODEL
For solving the part or whole technical problem that exist among the above-mentioned prior art, the utility model provides a hollow shaft class internal stay flexible installation, including left end lid, right-hand member lid, inner spindle, outer core axle, supporting shoe, go up voussoir, lower voussoir, voussoir reset assembly, hydraulic nut and right top cap, wherein: the inner core shaft is arranged in the outer core shaft, the left end cover is arranged on the left side of the outer core shaft, the right end cover is arranged at the top end of the right side of the outer core shaft, the right top cover is sleeved on the right end of the outer side of the inner core shaft, the hydraulic nut is arranged on the right end of the outer side of the inner core shaft and abutted to the right top cover, the upper wedge block and the lower wedge block are arranged in a vertically corresponding mode, the upper wedge block and the lower wedge block are arranged between the outer core shaft and the left end cover as well as between the outer core shaft and the right top cover, the supporting block is arranged on the outer side of the upper wedge block, and the wedge block resetting assembly is arranged between the upper wedge block and the lower wedge block;
the wedge block resetting assembly comprises a ring eye screw, an extension spring and a compression spring, the ring eye screw is arranged on the upper wedge block and the inner core shaft respectively, two ends of the extension spring are arranged on the ring eye screw respectively, and the compression spring is arranged at the top end of the lower wedge block.
Furthermore, in the above hollow shaft type internal stay flexible device, the left end cover and the right end cover are both provided with connecting bolts, the right end of the internal mandrel is provided with connecting threaded holes, the right side of the internal mandrel penetrates through the right end cover to be in threaded engagement with the connecting threaded holes, and the left side of the internal stay flexible device penetrates through the left end cover to be abutted to the internal mandrel.
Further, in the flexible device for an inner support of a hollow shaft, the upper wedge block is provided with an upper fixing threaded hole, upper fixing screws are arranged on two sides of the supporting block, and the upper fixing screws penetrate through the supporting block and are in threaded engagement with the upper fixing threaded hole.
Furthermore, in the hollow shaft type internal stay flexible device, lower fixing screws are arranged on two sides of the inner part of the lower wedge block, a through hole is formed in the middle of the lower wedge block, a lower fixing threaded hole is formed in the inner core shaft, and the lower fixing screws penetrate through the lower wedge block and are in threaded engagement with the lower fixing threaded hole.
Further, in the hollow shaft type internal stay flexible device, the eye-ring screw is respectively in threaded connection with the bottom of the upper wedge block and one side of the inner core shaft, the extension spring penetrates through the through hole, one end of the extension spring is connected with the upper wedge block through the eye-ring screw, and the other end of the extension spring is connected with the inner core shaft through the eye-ring screw.
Further, in the above-mentioned hollow shaft class internal stay flexible installation, the wedge top is provided with first mounting groove down, compression spring one end with first mounting groove welding, the outer core axle with right side top cap with the wedge top corresponds one side and is provided with the second mounting groove down, the compression spring other end with the welding of second mounting groove.
Further, in the flexible device for the inner support of the hollow shaft, the width of the upper wedge block is larger than that of the lower wedge block, and the wedge angle of the upper wedge block is 15 degrees
Further, in the hollow shaft type internal stay flexible device, a pin bolt is arranged on one side of the left end cover and one side of the right top cover in a surrounding mode, fixing nuts are arranged on two sides of the outer core shaft, and the pin bolt penetrates through the outer core shaft and is in threaded engagement with the fixing nuts.
Further, in the above hollow shaft type internal support flexible device, the right end of the internal mandrel is in a threaded structure, and the hydraulic nut is in threaded engagement with the internal mandrel.
The utility model discloses a hollow shaft class internal stay flexible device has following advantage and beneficial effect:
the multi-aperture part clamping device can meet the use requirements of multi-aperture parts, can be used in machine tools such as lathes, cylindrical grinding machines and gear grinding machines, can be used within an adjustable range, effectively avoids multiple times of clamping and alignment, improves the machining precision, and is convenient to replace and maintain due to the overall adoption of a split type design, so that the production cost is reduced, the multi-aperture part clamping device can reset automatically during disassembly, and the problem that the multi-aperture part cannot be disassembled due to long-term use is effectively avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only used for further understanding of the embodiments of the present invention and constitute a part of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts. In the drawings:
FIG. 1 is a schematic structural view of a hollow shaft type internal stay flexible device of the present invention;
FIG. 2 is a schematic view of the cross-sectional structure of the flexible device for inner support of hollow shafts according to the present invention;
FIG. 3 isbase:Sub>A schematic cross-sectional view taken along A-A in FIG. 2;
FIG. 4 is an enlarged view of B in FIG. 2;
FIG. 5 is a schematic structural view of an upper wedge block of the flexible device for inner support of hollow shafts according to the present invention;
FIG. 6 is a schematic view of the lower wedge block of the flexible device for inner support of hollow shafts according to the present invention;
FIG. 7 is a schematic structural view of an inner mandrel of the flexible device for inner supporting of hollow shafts according to the present invention;
fig. 8 is a schematic view of the structure of the outer mandrel in the hollow shaft type inner support flexible device of the present invention.
Description of reference numerals:
1: a left end cap; 2: a right end cap;
3: inner core shaft, 31: connection threaded hole, 32: a lower fixing threaded hole;
4: an outer mandrel; 5: a support block;
6: upper wedge, 61: an upper fixing threaded hole;
7: lower wedge, 71: through hole, 72: a first mounting groove;
8: wedge reset assembly, 81: eye screw, 82: tension spring, 83: a compression spring;
9: a hydraulic nut; 10: a right top cover; 110: a connecting bolt; 120: an upper fixing screw; 130: a lower set screw; 140: a second mounting groove; 150: a pin bolt; 160: and (5) fixing the nut.
Detailed Description
To make the purpose, technical solution and advantages of the present invention clearer, the following will combine the embodiments of the present invention and the corresponding drawings to clearly and completely describe the technical solution of the present invention. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1 to 8, the utility model discloses a hollow shaft class internal stay flexible device includes left end lid 1, right-hand member lid 2, inner mandrel 3, outer mandrel 4, supporting shoe 5, goes up wedge 6, lower wedge 7, voussoir reset assembly 8, hydraulic nut 9 and right top cap 10, wherein: the inner mandrel 3 is arranged inside the outer mandrel 4, the left end cover 1 is arranged on the left side of the outer mandrel 4, the right end cover 2 is arranged at the top end of the right side of the outer mandrel 4, the right top cover 10 is sleeved at the right end of the outer side of the inner mandrel 3, the hydraulic nut 9 is arranged at the right end of the outer side of the inner mandrel 3 and is abutted against the right top cover 10, the upper wedge block 6 and the lower wedge block 7 are arranged in a vertically corresponding mode, the upper wedge block 6 and the lower wedge block 7 are arranged between the outer mandrel 4 and the left end cover 1 as well as between the outer mandrel 4 and the right top cover 10, the supporting block 5 is arranged on the outer side of the upper wedge block 6, and the wedge block resetting component 8 is arranged between the upper wedge block 6 and the lower wedge block 7;
Further, the utility model discloses an among the hollow shaft class internal stay flexible device, all be provided with connecting bolt 110 on left end housing 1 and the right-hand member lid 2, the 3 right-hand members of inner core shaft are provided with connecting screw hole 31, and right side connecting bolt 110 passes right-hand member lid 2 and connecting screw hole 31 threaded engagement, and left side connecting bolt 110 passes left end housing 1 and 3 butts of inner core axle, has guaranteed that left end housing 1 and right-hand member lid 2 can dismantle to be convenient for change and maintain, effectively reduced use cost.
Further, the utility model discloses an among the hollow shaft class internal stay flexible device, go up wedge 6 and be provided with fixing screw hole 61, 5 both sides of supporting shoe are provided with set screw 120, go up set screw 120 and pass supporting shoe 5 and last fixing screw hole 61 threaded engagement to effectively guaranteed that go up wedge 6 and drive supporting shoe 5 when rising and remove, different sizes can be changed to supporting shoe 5 simultaneously, thereby be applicable to the hollow shaft of multiple size.
Further, the utility model discloses an among the hollow shaft class internal stay flexible device, the inside both sides of lower voussoir 7 are provided with down set screw 130, and lower voussoir 7 middle part is provided with through-hole 71, is provided with down fixed screw hole 32 on the inner core axle 3, and lower set screw passes voussoir 7 and lower fixed screw hole 32 thread engagement down, has effectively guaranteed that inner core axle 3 can drive down voussoir 7 and has removed when removing.
Further, the utility model discloses an among the hollow shaft class internal stay flexible installation, eye screw 81 respectively with last 6 bottoms of voussoir and 3 one side threaded connection of inner mandrel, extension spring 82 passes through-hole 71, extension spring 82 one end is passed through eye screw 81 and is connected with last voussoir 6, the extension spring 82 other end passes through eye screw 81 and is connected with inner mandrel 3, thereby effectively guaranteed that extension spring 82 resilience can effectively assist last voussoir 6 and reset fast when last voussoir 6 resets, thereby effectively avoided going up the problem that voussoir 6 can't reset for a long time using.
Further, the utility model discloses an among the hollow shaft class internal stay flexible device, 7 tops of lower wedge are provided with first mounting groove 72, compression spring 83 one end and the welding of first mounting groove 72, outer mandrel 4 and right top cap 10 correspond one side with 7 tops of lower wedge and are provided with second mounting groove 140, the compression spring 83 other end and the welding of second mounting groove 140, thereby compression spring 83 resilience can effectively assist lower wedge 7 to reset fast when effectively having guaranteed lower wedge 7 to reset, thereby effectively avoided the problem that lower wedge 7 used unable reseing for a long time.
Further, the utility model discloses an among the hollow shaft class internal stay flexible installation, go up the wedge 6 width and be greater than 7 widths of voussoir down, the wedge angle of going up wedge 6 is 15 to effectively guaranteed down that wedge 7 can remove about, for going up wedge 6 and providing ascending power, the wedge angle design is 15 can be better assurance go up the ascending removal that wedge 6 can be steady.
Further, the utility model discloses an among the hollow shaft class internal stay flexible device, left end lid 1 and right top cap 10 one side are around being provided with round pin axle bolt 150, and 4 both sides of outer dabber are provided with fixation nut 160, and round pin axle bolt 150 passes outer dabber 4 and fixation nut 160 threaded engagement.
Further, the utility model discloses an among the hollow shaft class internal stay flexible device, 3 right-hand members of inner core shaft are helicitic texture, and thread engagement between hydraulic nut 9 and the inner core shaft 3 is effectual for inner core shaft 3 provides right axial force.
Specifically, the hollow shaft type internal support flexible device is installed inside the hollow shaft, the hydraulic nut 9 is fastened by using a torque wrench, the hydraulic nut 9 generates axial force, the inner core shaft 3 moves rightwards through the transmission of the axial force, the lower wedge block 7 is driven to move rightwards at the same time, the compression spring 83 is compressed at the same time, the upper wedge block 6 generates upward power through wedge transmission at the moment, the extension spring 82 is extended at the same time, and the hollow shaft type internal support flexible device and the inner hole of the hollow shaft are tensioned and fixed into a whole at the moment. Lathe adds the chuck and presss from both sides tight left end cover 1 during machining, top fixed right end cover 2, top fixed left end cover 1 and right end cover 2 during cylindrical grinding and gear grinding machine add the machining reserve the apex hole can, loosen hydraulic nut 9 during the dismantlement, utilize extension spring 82 and compression spring 83's resilience force can accomplish that voussoir 6 and lower voussoir 7 roll back, avoid causing because of long-term the use and roll back the difficulty, unable dismantlement.
When the inner holes of the hollow shafts are different, the supporting blocks 5 with different outer circle sizes can be installed to be adjusted, so that the multifunctional function of one object is met, and meanwhile, the device can be assembled with the next shaft part and can be repeatedly used for multiple times.
To sum up, compared with the prior art, the utility model discloses a hollow shaft class internal stay flexible device has following advantage and
has the advantages that:
(1) The inner support flexible device can meet the requirements of shaft parts with certain ranges of apertures, the inner diameter of the inner support flexible device is adjustable, the inner support flexible device can be repeatedly used for many times, and the production cost is effectively reduced;
(2) The assembly integrates the use functions of the lathe, the cylindrical grinding machine and the gear grinding machine, and achieves the effect of multiple purposes;
(3) The left end cover, the right end cover and the inner axis are in split type design, so that the replacement and maintenance are convenient, and the use cost is reduced;
(4) The upper wedge block and the lower wedge block are assisted to reset through the extension spring and the compression spring, so that the problem that the upper wedge block and the lower wedge block cannot be disassembled after long-term use is effectively solved.
It is noted that, unless expressly stated or limited otherwise, the term "coupled" or its synonymous is intended to mean "coupled", as used herein, including, for example, fixedly attached or removably attached; can be mechanically or electrically connected; the two elements can be directly connected or indirectly connected through an intermediate medium, and the two elements can be communicated with each other or the two elements can interact with each other, so that the specific meaning of the terms in the invention can be understood according to specific situations by a person skilled in the art. Moreover, expressions such as "first" and "second" are used merely to distinguish one entity or operation from another entity or operation without necessarily requiring or implying any actual such relationship or order between such entities or operations. Meanwhile, 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. In addition, "front", "rear", "left", "right", "upper" and "lower" in this document are all referred to the placement state shown in the drawings.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (9)
1. The utility model provides a hollow shaft class internal stay flexible device, its characterized in that, hollow shaft class internal stay flexible device includes left end lid, right-hand member lid, inner core axle, outer core axle, supporting shoe, goes up voussoir, lower voussoir, voussoir reset subassembly, hydraulic nut and right top cap, wherein: the inner core shaft is arranged in the outer core shaft, the left end cover is arranged on the left side of the outer core shaft, the right end cover is arranged at the top end of the right side of the outer core shaft, the right top cover is sleeved on the right end of the outer side of the inner core shaft, the hydraulic nut is arranged on the right end of the outer side of the inner core shaft and abutted to the right top cover, the upper wedge block and the lower wedge block are arranged in a vertically corresponding mode, the upper wedge block and the lower wedge block are arranged between the outer core shaft and the left end cover as well as between the outer core shaft and the right top cover, the supporting block is arranged on the outer side of the upper wedge block, and the wedge block resetting assembly is arranged between the upper wedge block and the lower wedge block;
the wedge block resetting assembly comprises eye screws, an extension spring and a compression spring, the eye screws are respectively arranged on the upper wedge block and the inner core shaft, two ends of the extension spring are respectively arranged on the eye screws, and the compression spring is arranged at the top end of the lower wedge block.
2. The hollow shaft type inner support flexible device as claimed in claim 1, wherein the left end cap and the right end cap are both provided with connecting bolts, the right end of the inner mandrel is provided with connecting threaded holes, the right connecting bolt passes through the right end cap to be in threaded engagement with the connecting threaded holes, and the left connecting bolt passes through the left end cap to be abutted against the inner mandrel.
3. The hollow shaft type inner support flexible device as claimed in claim 1, wherein the upper wedge block is provided with an upper fixing threaded hole, and upper fixing screws are provided on both sides of the support block, and the upper fixing screws penetrate through the support block and are in threaded engagement with the upper fixing threaded hole.
4. The hollow shaft type inner support flexible device as claimed in claim 1, wherein lower fixing screws are provided at two sides of the inside of the lower wedge block, a through hole is provided at the middle part of the lower wedge block, a lower fixing threaded hole is provided on the inner core shaft, and the lower fixing screws pass through the lower wedge block and are in threaded engagement with the lower fixing threaded hole.
5. The hollow shaft type inner support flexible device according to claim 4, wherein the eye screw is respectively in threaded connection with the bottom of the upper wedge block and one side of the inner mandrel, the extension spring passes through the through hole, one end of the extension spring is connected with the upper wedge block through the eye screw, and the other end of the extension spring is connected with the inner mandrel through the eye screw.
6. The hollow shaft type inner support flexible device as claimed in claim 1, wherein a first mounting groove is formed at the top of the lower wedge block, one end of the compression spring is welded to the first mounting groove, a second mounting groove is formed at one side of the outer spindle and the right top cover corresponding to the top of the lower wedge block, and the other end of the compression spring is welded to the second mounting groove.
7. The hollow shaft type inner stay flexible device as claimed in claim 1, wherein the upper wedge width is greater than the lower wedge width, and the wedge angle of the upper wedge is 15 °.
8. The hollow shaft type inner support flexible device as claimed in claim 1, wherein a pin bolt is disposed around one side of the left end cover and the right end cover, fixing nuts are disposed on two sides of the outer core shaft, and the pin bolt penetrates through the outer core shaft and is in threaded engagement with the fixing nuts.
9. The hollow shaft type inner support flexible device as claimed in claim 1, wherein the right end of the inner core shaft is in a threaded structure, and the hydraulic nut is in threaded engagement with the inner core shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222805247.3U CN218747059U (en) | 2022-10-25 | 2022-10-25 | Flexible device for hollow shaft inner support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222805247.3U CN218747059U (en) | 2022-10-25 | 2022-10-25 | Flexible device for hollow shaft inner support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218747059U true CN218747059U (en) | 2023-03-28 |
Family
ID=85701249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222805247.3U Active CN218747059U (en) | 2022-10-25 | 2022-10-25 | Flexible device for hollow shaft inner support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218747059U (en) |
-
2022
- 2022-10-25 CN CN202222805247.3U patent/CN218747059U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102069207A (en) | Device capable of elastically clamping two ends of long hole | |
| CN218747059U (en) | Flexible device for hollow shaft inner support | |
| CN211161401U (en) | Stamping device is used in automobile parts processing of convenient fixed | |
| CN109434501B (en) | Excavator movable arm processing tool | |
| CN101972818A (en) | Blank centering device | |
| CN201295773Y (en) | Principal axis set of lathe special for piston | |
| CN211540402U (en) | Knuckle bearing hole and snap ring groove adds clamping apparatus | |
| CN216371104U (en) | Clamping device for chamfering end part of inner gear ring | |
| CN215824822U (en) | Replaceable cutter head of numerical control cutting machine | |
| CN215146804U (en) | Gear machining clamping device | |
| CN214023897U (en) | Internal gear fine slotting workpiece rotating tool setting loading and unloading tool | |
| CN113714529B (en) | Multifunctional mandrel with adjustable range | |
| CN112621276A (en) | Automatic aligning and clamping device for axle machining | |
| CN218591520U (en) | Three-roller plate bending machine convenient for replacing shaft roller | |
| CN214978252U (en) | Clamping device for gear shaft hobbing | |
| CN211804427U (en) | Thread pair driving structure for concentric adjustment of high-power cutting head | |
| CN212946590U (en) | Machining clamp for half-axle gear lathe | |
| CN213615519U (en) | Lifting type machine tool installation guide device | |
| CN219151591U (en) | Automatic clamping lathe tailstock for lathe | |
| CN220278307U (en) | Movable clamping jaw for lathe | |
| CN210756617U (en) | Adjustable double-eccentric sleeve machining device | |
| CN212311473U (en) | Bearing cap fixing device | |
| CN212420429U (en) | HSK handle of a knife of high positioning accuracy of quick change | |
| CN210878608U (en) | Three-cutter-position cutter handle mechanism for machining | |
| CN221210149U (en) | Outer hub body shaft axial limiting external tooth machining device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |