CN219582175U - Pentahedron main shaft pair capable of automatically changing angle - Google Patents
Pentahedron main shaft pair capable of automatically changing angle Download PDFInfo
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- CN219582175U CN219582175U CN202321238608.9U CN202321238608U CN219582175U CN 219582175 U CN219582175 U CN 219582175U CN 202321238608 U CN202321238608 U CN 202321238608U CN 219582175 U CN219582175 U CN 219582175U
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- angle
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- connecting seat
- limiting sleeve
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The utility model provides an automatic change pentahedron main shaft pair of angle, relates to digit control machine tool technical field, including the fixing base, the bottom of fixing base is provided with the angle head, is provided with angle change device between fixing base and the angle head, including connecting seat, a plurality of lift locking mechanism, stop collar, locking mechanism, spacing dish; the lifting locking mechanism is used for locking or releasing the connecting seat; the limiting sleeve is circumferentially arranged on the inner side of the connecting seat in a rotating way and is axially clamped with the connecting seat, and the angle head is detachably arranged at the bottom of the limiting sleeve; the locking mechanism is used for limiting or allowing the limiting sleeve to rotate around the axis; the limiting disc is detachably arranged on the limiting sleeve, and when the angle is changed, the limiting disc is locked with the power input shaft to drive the limiting sleeve to rotate around the axis. The utility model can realize automatic angle change when carrying out pentahedral processing, so that the numerical control machine tool has simple, compact and reasonable structure and low cost.
Description
Technical Field
The utility model relates to the technical field of numerical control machine tools, in particular to a pentahedron spindle pair capable of automatically changing angles.
Background
The pentahedron numerical control machine tool can realize pentahedron processing of mechanical parts by configuring various accessory angle heads, and can complete all or most of processing procedures of the mechanical parts usually by one-time clamping, thereby greatly improving the production efficiency; meanwhile, as multiple clamping is avoided, errors caused by multiple clamping are eliminated, and the processing precision is improved and guaranteed. The numerical control machine tool is required to automatically finish the five-face machining of the workpiece, and the angle head is required to directly cut and machine the multiple faces of the workpiece through steering.
At present, the existing pentahedron numerical control machine tool angle head rotating mechanism mainly drives a shell of an angle head to rotate through a torque motor or a hydraulic motor, and further drives the angle head to rotate in the main shaft direction so as to meet the pentahedron machining requirement of the angle head. The structure can finish the rotation of any angle of the angle head, but because the torque motor or the hydraulic motor is added, the hydraulic motor is required to be provided with a complex oil way connecting device, thereby not only improving the manufacturing cost, having complex structure, but also having large installation occupation space, being extremely easy to influence the processing range of the numerical control machine tool and bringing inconvenience to actual processing.
Disclosure of Invention
In view of this, the technical problems to be solved by the present utility model are: the pentahedron main shaft pair with the automatic angle change can realize the automatic angle change when pentahedron processing is carried out, so that the numerical control machine tool has the advantages of simple, compact and reasonable structure, low cost, contribution to the expansion of the processing range and improvement of the processing range.
In order to solve the technical problems, the technical scheme of the utility model is as follows:
the pentahedron main shaft pair capable of automatically changing angles comprises a fixed seat detachably arranged at the bottom of a ram, wherein the fixed seat is of a hollow structure, an angle head is arranged at the bottom of the fixed seat, and a power input shaft of the angle head penetrates through the fixed seat to be connected with a main shaft in the ram; an angle replacing device is arranged between the fixing seat and the angle head, and the angle replacing device comprises:
the connecting seat is arranged below the fixed seat;
the lifting locking mechanisms are arranged between the connecting seat and the fixing seat and used for locking or releasing the connecting seat so as to realize that the connecting seat is lifted and attached along the axial direction or moves away from the fixing seat downwards;
the limiting sleeve is circumferentially arranged on the inner side of the connecting seat in a rotating way and is axially clamped with the connecting seat, and the outer shell of the angle head is detachably arranged at the bottom of the limiting sleeve;
the locking mechanism is arranged between the limiting sleeve and the fixed seat and is used for limiting or allowing the limiting sleeve to rotate around the axis;
the limiting disc is detachably arranged on the limiting sleeve and located between the limiting sleeve and the power input shaft, and when the angle is changed, the limiting disc is locked with the power input shaft to drive the limiting sleeve to rotate around the axis.
Preferably, the plurality of pull locking mechanisms have the same structure and comprise pull nails and pull locking components matched with the pull nails for use, wherein the pull nails are detachably arranged on the connecting seat; and the fixing seat is provided with a locking cavity for accommodating the lifting locking component.
Preferably, the pull locking assembly includes:
the hydraulic piston is accommodated in the locking accommodating cavity, and a lifting accommodating cavity for accommodating the blind rivet is axially formed in the bottom end of the hydraulic piston;
the annular blocking cover is detachably arranged on the outer side of the locking cavity, and the bottom end of the hydraulic piston penetrates through the annular blocking cover and is in sliding fit with the annular blocking cover;
the elastic body is sleeved on the outer side of the hydraulic piston, the top end of the elastic body is abutted with the hydraulic piston, and the bottom end of the elastic body is abutted with the annular blocking cover;
the locking balls are arranged along the radial direction of the hydraulic piston, locking holes for accommodating the locking balls are formed in the hydraulic piston, and a release cavity for releasing the blind rivet by matching with the locking balls is formed in the outer side of the annular retaining cover.
Preferably, the connecting seat is provided with a limiting surface which is abutted with the limiting sleeve, the bottom of the connecting seat is detachably provided with a supporting sleeve, and the supporting sleeve is sleeved on the outer side of the limiting sleeve and is abutted with the limiting sleeve;
the support sleeve is matched with the limiting surface to limit the limiting sleeve to circumferentially rotate and be arranged on the inner side of the connecting seat.
Preferably, the locking mechanism comprises a stopping fluted disc and an indexing fluted disc; the stop fluted disc is detachably arranged on the fixed seat, and the indexing fluted disc is detachably arranged on the limiting sleeve and is matched with the stop fluted disc.
Preferably, an annular baffle is detachably arranged between the indexing fluted disc and the limiting sleeve, and the annular baffle is abutted with the connecting seat.
Preferably, the limiting disc is convexly provided with a plurality of limiting protrusions, and the limiting protrusions face to one side close to the power input shaft; the power input shaft is concavely provided with a plurality of limit grooves matched with the limit protrusions.
Preferably, the number of the limit protrusions is four, and the limit protrusions are circumferentially equidistantly distributed on the limit disc; the number of the limit grooves is four, and the limit grooves are circumferentially equidistantly distributed on the power input shaft.
After the technical scheme is adopted, the utility model has the beneficial effects that:
the utility model relates to a pentahedral spindle pair, which comprises a fixed seat, wherein the bottom of the fixed seat is provided with an angle head, a power input shaft of the angle head penetrates through the fixed seat to be connected with a spindle, and an angle replacement device is arranged between the fixed seat and the angle head and can perform angle replacement on the angle head; after the angle is replaced, a plurality of lifting locking mechanism locking connecting seats are lifted to fit the fixing seat, the outer shell with the limiting sleeve, the limiting disc and the angle head moves upwards together, the locking mechanism is in a state that the limiting sleeve rotates around the axis, at the moment, the main shaft drives the power input shaft to rotate, the power input shaft passes through the transmission device of the angle head and finally drives the main shaft of the angle head to rotate, in the process, the limiting disc and the power input shaft are not locked, the limiting disc and the limiting sleeve cannot rotate, and the outer shell of the angle head cannot rotate. Therefore, when the five-face machining is performed, the automatic angle change can be realized, so that the numerical control machine tool has a simple, compact and reasonable structure and low cost, is beneficial to expanding the machining range and improves the machining range.
Drawings
The utility model will be further described with reference to the drawings and examples.
FIG. 1 is a schematic diagram of a pentahedron spindle pair with automatic angle change in accordance with an embodiment of the present utility model;
FIG. 2 is a cross-sectional view of FIG. 1;
fig. 3 is an enlarged view of a portion a in fig. 2;
fig. 4 is an enlarged view of a portion B in fig. 2;
FIG. 5 is a schematic diagram of a limiting plate and a power input shaft according to an embodiment of the utility model;
in the figure:
1. a fixing seat; 11. locking the accommodating cavity; 2. an angle head; 21. a power input shaft; 211. a limit groove; 22. an outer housing; 3. an angle changing device; 31. a connecting seat; 311. a limiting surface; 32. lifting and pulling a locking mechanism; 321. pulling nails; 322. pulling the locking assembly; 3221. a hydraulic piston; 3222. lifting the containing cavity; 3223. an annular blocking cover; 3224. an elastomer; 3225. a lock ball; 3226. a locking hole; 3227. releasing the cavity; 33. a limit sleeve; 331. sealing grooves; 332. a seal ring; 34. a locking mechanism; 341. stop fluted disc; 342. indexing fluted disc; 343. an annular baffle; 35. a limiting disc; 351. a limit protrusion; 36. and a supporting sleeve.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
The terms such as "front", "rear", "left", "right", "middle" and the like are also used in the present specification for convenience of description, but are not intended to limit the scope of the present utility model, and the changes or modifications of the relative relationship thereof are considered to be within the scope of the present utility model without substantial modification of the technical content.
As shown in fig. 1 to 5, the present utility model includes a fixing base 1 detachably mounted at the bottom of a ram (not shown), the fixing base 1 is of a hollow structure, the bottom of the fixing base 1 is provided with an angle head 2, and a power input shaft 21 of the angle head 2 passes through the fixing base 1 to be connected with a main shaft (not shown) in the ram. In the technical field, the ram, the main shaft, the fixing seat 1, the angle head 2 and the power input shaft 21 are all known in the prior art, and the structure and the connection relationship are all known to those skilled in the technical field, so that the specific working principle is not repeated.
In the utility model, an angle replacing device 3 is arranged between a fixed seat 1 and an angle head 2, the angle replacing device 3 can replace and adjust the angle of the angle head 2 to finish the rotation of any angle of the angle head, wherein the angle replacing device 3 comprises a connecting seat 31, and the connecting seat 31 is arranged below the fixed seat 1; the lifting locking mechanism 32 is arranged between the connecting seat 31 and the fixing seat 1 and is used for locking or releasing the connecting seat 31 so as to enable the connecting seat 31 to be lifted and attached or move downwards along the axial direction to be away from the fixing seat 1, preferably, the number of the lifting locking mechanisms 32 is four, the four lifting locking mechanisms are distributed around the axial circumferential direction of the fixing seat 1 at equal intervals, and the axial line of the fixing seat 1 and the axial line of the connecting seat 31 are collinear, so that better lifting effect can be carried out on the connecting seat 31, and the lifting and attaching or the moving downwards are better realized to be away from the connecting seat 31.
The plurality of pulling locking mechanisms 32 have the same structure and comprise pulling nails 321 and pulling locking components 322 matched with the pulling nails 321, wherein the pulling nails 321 are detachably arranged on the connecting seat 31; the fixing base 1 is provided with a locking containing cavity 11 for containing a lifting locking component 322, the lifting locking component 322 is partially contained in the locking containing cavity 11 and is detachably connected with the fixing base 1, and the lifting locking component 322 realizes that the connecting seat 31 is lifted and attached or moves downwards along the axial direction to be far away from the fixing base 1 through a lifting rivet 321.
The lifting locking assembly 322 comprises a hydraulic piston 3221 accommodated in the locking accommodating cavity 11, and a lifting accommodating cavity 3222 accommodating a pull pin 321 is axially formed in the bottom end of the hydraulic piston 3221; the hydraulic piston 3221 further comprises an annular blocking cover 3223 detachably arranged on the outer side of the locking containing cavity 11, wherein the bottom end of the hydraulic piston 3221 penetrates through the annular blocking cover 3223 and is in sliding fit with the annular blocking cover 3223; the elastic body 3224 is sleeved on the outer side of the hydraulic piston 3221, the top end of the elastic body 3224 is in contact with the hydraulic piston 3221, the bottom end of the elastic body 3224 is in contact with the annular blocking cover 3223, and preferably, the elastic body 3224 is a pressure spring; a plurality of locking balls 3225 matched with the blind bolts 321, wherein the locking balls 3225 are arranged along the radial direction of the hydraulic piston 3221, and preferably, the number of the locking balls 3225 is four, and the locking balls 3225 are circumferentially distributed on the hydraulic piston 3221 at equal intervals; the hydraulic piston 3221 is provided with a locking hole 3226 for accommodating the locking ball 3225, the locking hole 3226 is matched with the locking ball 3225, and the outer side of the annular blocking cover 3223 is provided with a release accommodating cavity 3227 for being matched with the locking ball 3225 to release the blind rivet 321.
Under the action of hydraulic power, the hydraulic piston 3221 moves downwards, the elastic body 3224 is compressed, the locking ball 3225 is driven to move downwards together, the locking ball 3225 locks the blind rivet 321, and under the action of the gravity, the blind rivet 321 also moves downwards together, so that the connecting seat 31 moves downwards to be far away from the fixed seat 1, and the angle of the angle head 2 is replaced; after the angle is replaced, the elastic body 3224 pushes the hydraulic piston 3221 to move upwards for resetting, the locking balls 3225 are driven to move upwards together, and the locking balls 3225 are locked with the blind nails 321 to drive the locking balls to move upwards together, so that the connecting seat 31 is lifted upwards to be attached to the fixing seat 1.
The angle replacing device 3 further comprises a limiting sleeve 33, the limiting sleeve 33 is circumferentially arranged on the inner side of the connecting seat 31 and axially clamped with the connecting seat 31, the limiting sleeve 33 is limited to circumferentially rotate only and cannot axially move, when the connecting seat 31 is lifted up or moved down, the limiting sleeve 33 can be driven to move up and down along the axis, the outer shell 22 of the angle head 2 can be detachably arranged at the bottom of the limiting sleeve 33, the angle head 2 can be driven to move up and down together in the process of moving up and down the limiting sleeve 33, and meanwhile, the angle head 2 can be driven to rotate together when the limiting sleeve 33 circumferentially rotates, so that angle replacement is realized.
In order to better axially clamp the limit sleeve 33, the limit sleeve 33 can only rotate circumferentially but cannot move axially, a limit surface 311 which is in butt joint with the limit sleeve 33 is arranged on the connecting seat 31, a support sleeve 36 is detachably arranged at the bottom of the connecting seat 31, and the support sleeve 36 is sleeved on the outer side of the limit sleeve 33 and is in butt joint with the limit sleeve 33; the supporting sleeve 36 is matched with the limiting surface 311 to realize the limiting of the limiting sleeve 33 to be circumferentially and rotatably arranged on the inner side of the connecting seat 31.
The stop collar 33 is further provided with at least one sealing groove 331, a sealing ring 332 is arranged in the groove of the sealing groove 331, the sealing ring 332 seals between the stop collar 33 and the connecting seat 31, and preferably, the number of the sealing groove 331 and the sealing ring 332 is two, so that the sealing effect is improved.
The angle replacing device 3 further comprises a locking mechanism 34, wherein the locking mechanism 34 is arranged between the limit sleeve 33 and the fixed seat 1, and the locking mechanism 34 is used for limiting or allowing the limit sleeve 33 to rotate around the axis; when the lifting locking mechanism 32 drives the connecting seat 31 to lift up and attach to the fixing seat 1, the connecting seat 31 drives the limiting sleeve 33 to move upwards together, at this time, the locking mechanism 34 limits the limiting sleeve 33 to rotate around the axis, and the power transmitted by the main shaft through the power input shaft 21 cannot be transmitted to the limiting sleeve 33, so that the limiting sleeve 33 and the angle head 2 cannot be driven to rotate together.
The locking mechanism 34 includes a stopping toothed disc 341 and an indexing toothed disc 342; the stopping fluted disc 341 is detachably mounted on the fixing base 1, and the indexing fluted disc 342 is detachably mounted on the limiting sleeve 33 and is matched with the stopping fluted disc 341. In order to better limit the limiting sleeve 33, the limiting sleeve 33 is further limited to rotate circumferentially and not move axially, an annular baffle 343 is detachably arranged between the dividing fluted disc 342 and the limiting sleeve 33, the annular baffle 343 is abutted with the connecting seat 31, and the annular baffle 343 and the supporting sleeve 36 are matched to further limit the axial movement of the limiting sleeve 33.
The angle replacing device 3 further comprises a limiting disc 35, the limiting disc 35 is detachably arranged on the limiting sleeve 33 and located between the limiting sleeve 33 and the power input shaft 21, and when the angle is replaced, the limiting disc 35 and the power input shaft 21 are locked to drive the limiting sleeve 33 to rotate around the axis. Specifically, the limiting disc 35 is convexly provided with a plurality of limiting protrusions 351, and the limiting protrusions 351 face to one side close to the power input shaft 21; the power input shaft 21 is concavely provided with a plurality of limit grooves 211 which are matched with the limit protrusions 351. When lifting locking mechanism 32 realizes that connecting seat 31 moves down and keeps away from fixing base 1, connecting seat 31 drives stop collar 33 and moves down together, at this moment, locking mechanism 34 allows stop collar 33 to rotate around the axis, stop collar 33 drives spacing dish 35 and moves down together, spacing protruding 351 is protruding downwards along the axis direction and establishes, one side towards being close to power input shaft 21 sets up, spacing protruding 351 falls into the inslot of spacing recess 211, at this moment, the power of main shaft through power input shaft 21 transmission, through spacing recess 211, spacing protruding 351, spacing dish 35 transmits to stop collar 33 on, drive stop collar 33 and rotate around the axis, realize angle head 2's angle change, be convenient for carry out five-sided processing, realize automatic change angle, make the digit control machine tool simple structure, compactness, rationally, and low cost is favorable to the expansion of machining range, improve the range of working.
Preferably, the number of the limit protrusions 351 is four, and the limit protrusions are circumferentially and equidistantly arranged on the limit disc 35; the number of the limit grooves 211 is four, and the limit grooves are circumferentially equidistantly distributed on the power input shaft 21.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (8)
1. The pentahedron main shaft pair capable of automatically changing angles comprises a fixed seat detachably arranged at the bottom of a ram, wherein the fixed seat is of a hollow structure, an angle head is arranged at the bottom of the fixed seat, and a power input shaft of the angle head penetrates through the fixed seat to be connected with a main shaft in the ram; the angle head is characterized in that an angle replacement device is arranged between the fixed seat and the angle head, and the angle replacement device comprises:
the connecting seat is arranged below the fixed seat;
the lifting locking mechanisms are arranged between the connecting seat and the fixing seat and used for locking or releasing the connecting seat so as to realize that the connecting seat is lifted and attached along the axial direction or moves away from the fixing seat downwards;
the limiting sleeve is circumferentially arranged on the inner side of the connecting seat in a rotating way and is axially clamped with the connecting seat, and the outer shell of the angle head is detachably arranged at the bottom of the limiting sleeve;
the locking mechanism is arranged between the limiting sleeve and the fixed seat and is used for limiting or allowing the limiting sleeve to rotate around the axis;
the limiting disc is detachably arranged on the limiting sleeve and located between the limiting sleeve and the power input shaft, and when the angle is changed, the limiting disc is locked with the power input shaft to drive the limiting sleeve to rotate around the axis.
2. The automatic angle-changing pentahedron spindle pair according to claim 1, wherein the plurality of pull locking mechanisms have the same structure and comprise pull nails and pull locking components matched with the pull nails, and the pull nails are detachably arranged on the connecting seat; and the fixing seat is provided with a locking cavity for accommodating the lifting locking component.
3. The automatic angle change pentahedron spindle set of claim 2, wherein the lift lock assembly comprises:
the hydraulic piston is accommodated in the locking accommodating cavity, and a lifting accommodating cavity for accommodating the blind rivet is axially formed in the bottom end of the hydraulic piston;
the annular blocking cover is detachably arranged on the outer side of the locking cavity, and the bottom end of the hydraulic piston penetrates through the annular blocking cover and is in sliding fit with the annular blocking cover;
the elastic body is sleeved on the outer side of the hydraulic piston, the top end of the elastic body is abutted with the hydraulic piston, and the bottom end of the elastic body is abutted with the annular blocking cover;
the locking balls are arranged along the radial direction of the hydraulic piston, locking holes for accommodating the locking balls are formed in the hydraulic piston, and a release cavity for releasing the blind rivet by matching with the locking balls is formed in the outer side of the annular retaining cover.
4. The automatic angle-changing pentahedron spindle pair according to claim 1, wherein the connecting seat is provided with a limiting surface which is abutted with the limiting sleeve, the bottom of the connecting seat is detachably provided with a supporting sleeve, and the supporting sleeve is sleeved on the outer side of the limiting sleeve and is abutted with the limiting sleeve;
the support sleeve is matched with the limiting surface to limit the limiting sleeve to circumferentially rotate and be arranged on the inner side of the connecting seat.
5. The automatic angle change pentahedral spindle pair of claim 1, wherein the locking mechanism includes a stop toothed disc and an indexing toothed disc; the stop fluted disc is detachably arranged on the fixed seat, and the indexing fluted disc is detachably arranged on the limiting sleeve and is matched with the stop fluted disc.
6. The automatic angle change pentahedron spindle set of claim 5, wherein an annular baffle is detachably mounted between the indexing fluted disc and the stop collar, the annular baffle abutting the connection seat.
7. The automatic angle-changing pentahedron spindle pair according to claim 1, wherein the limiting disc is provided with a plurality of limiting protrusions in a protruding mode, and the limiting protrusions face to one side close to the power input shaft; the power input shaft is concavely provided with a plurality of limit grooves matched with the limit protrusions.
8. The automatic angle-changing pentahedron spindle pair of claim 7, wherein the number of limit protrusions is four and circumferentially equidistant on the limit disk; the number of the limit grooves is four, and the limit grooves are circumferentially equidistantly distributed on the power input shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321238608.9U CN219582175U (en) | 2023-05-19 | 2023-05-19 | Pentahedron main shaft pair capable of automatically changing angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321238608.9U CN219582175U (en) | 2023-05-19 | 2023-05-19 | Pentahedron main shaft pair capable of automatically changing angle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219582175U true CN219582175U (en) | 2023-08-25 |
Family
ID=87697613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321238608.9U Active CN219582175U (en) | 2023-05-19 | 2023-05-19 | Pentahedron main shaft pair capable of automatically changing angle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219582175U (en) |
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2023
- 2023-05-19 CN CN202321238608.9U patent/CN219582175U/en active Active
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