CN211540407U - Knife handle support of dense ball shaft system - Google Patents
Knife handle support of dense ball shaft system Download PDFInfo
- Publication number
- CN211540407U CN211540407U CN201922199847.8U CN201922199847U CN211540407U CN 211540407 U CN211540407 U CN 211540407U CN 201922199847 U CN201922199847 U CN 201922199847U CN 211540407 U CN211540407 U CN 211540407U
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- shaft
- transparent cover
- shafting
- handle
- knife
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- 238000007789 sealing Methods 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 8
- 238000005253 cladding Methods 0.000 abstract 1
- 125000004122 cyclic group Chemical group 0.000 abstract 1
- 239000011324 bead Substances 0.000 description 4
- 239000010426 asphalt Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
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Abstract
The utility model relates to a numerical control equipment technical field specifically is a handle of a knife support of dense pearl shafting, handle of a knife mount table including off-axis connecting plate and off-axis connecting plate upper surface, handle of a knife mount table center is equipped with the handle of a knife installing port, handle of a knife installing port both sides are cyclic annular and are equipped with a plurality of connecting threads, handle of a knife mount table and off-axis connecting plate pass through connecting thread and connect, be equipped with the axle connecting hole on the off-axis connecting plate, the output axle head keyway has been seted up on the axle connecting hole, the axle connecting hole is being connected with the outside cladding of main shaft dense pearl shafting structure, dense pearl shafting structure upper end is equipped with through the lid, go up through lid below and be equipped with upper end tapered roller bearing, upper end tapered roller bearing below is equipped with spherical shafting outside. The utility model discloses an utilize dense pearl shafting structure, can guarantee the high centering nature of handle of a knife, frictional resistance is little, is also difficult for receiving factors such as temperature influence performance.
Description
Technical Field
The utility model relates to a numerical control equipment technical field specifically is a handle of a knife support of dense pearl shafting.
Background
In the field of numerical control machining, the precision degree of numerical control equipment is a very important index, and in addition to parameters of a numerical control cutter, the precision parameters of the numerical control cutter can be directly influenced in installation and matching and structural design of matched parts, such as a cutter handle and a cutter handle support. In the past, numerical control equipment continuously seeks design innovation to improve the performance of the equipment.
The dense-bead shafting structure has the advantages of small friction torque, insensitivity to temperature change, simple structure, convenience in manufacturing, mounting and maintenance and the like, and how to introduce the structure into the structural design of related parts of the numerical control cutter is one of means for further improvement in the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a handle of a knife support of dense pearl shafting to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a knife handle bracket of a dense ball shaft system comprises an outer shaft connecting plate and a knife handle mounting platform on the upper surface of the outer shaft connecting plate, a knife handle mounting port is arranged at the center of the knife handle mounting platform, a plurality of connecting threads are annularly arranged at two sides of the knife handle mounting port, the knife handle mounting table is connected with the shaft outer connecting plate through connecting threads, the shaft outer connecting plate is provided with a shaft connecting hole, an output shaft end key groove is arranged on the shaft connecting hole, a main shaft is connected in the shaft connecting hole, a dense ball shaft system structure is coated outside the main shaft, an upper transparent cover is arranged at the upper end of the dense ball shafting structure, a tapered roller bearing at the upper end is arranged below the upper transparent cover, a spherical shaft system is arranged below the upper tapered roller bearing, a shaft system cylinder wall is arranged outside the spherical shaft system, the spherical shafting is provided with a lower tapered roller bearing below, and a lower transparent cover below the lower tapered roller bearing.
Preferably: and a lug boss of the knife handle mounting port is provided with a knife handle fastening thread.
Preferably: two rows of positioning blocks are arranged on the back of the knife handle mounting table.
Preferably: the upper surface of the shaft outer connecting plate is provided with a positioning chute, and the center of the positioning chute is provided with a centering thread which is matched with the output end of the main shaft for installation.
Preferably: the upper transparent cover is provided with a plurality of upper transparent cover mounting threads, the center of the upper transparent cover is provided with an upper transparent cover sealing felt, the lower transparent cover is provided with a plurality of lower transparent cover mounting threads, and the center of the lower transparent cover is provided with a lower transparent cover sealing felt.
Preferably: an upper double-piece type screwing sleeve is arranged on the main shaft and above the upper transparent cover, and a lower double-piece type screwing sleeve is arranged on the main shaft and below the lower transparent cover.
Preferably: and the input end and the output end of the main shaft are respectively provided with an input shaft end key groove and an output shaft end key groove.
Preferably: and the shaft connecting holes are provided with inter-plate key grooves.
Compared with the prior art, the beneficial effects of the utility model are that:
the friction between the main shaft and the shaft system cylinder wall can be reduced by the dense-bead shaft system structure, the dense-bead shaft system structure is insensitive to temperature change, the centering and the parameters of the main shaft cannot be changed due to thermal expansion, and when the torque output by the main shaft is loaded on the tool handle and the tool, the friction is less, the axis is stable, the structure is compact, and the error is small.
Drawings
FIG. 1 is a half-sectional view of the present invention;
FIG. 2 is an exploded view of the external installation of the present invention;
FIG. 3 is a schematic view of the structure of the off-axis connecting plate of the present invention;
fig. 4 is the utility model discloses handle of a knife mount table schematic structure.
In the figure: 1. a tool shank mounting table; 11. a knife handle mounting port; 111. the tool shank is fastened with a threaded opening; 12. connecting threads; 13. positioning blocks; 2. an off-axis connection plate; 21. positioning the chute; 22. a shaft connecting hole; 23. inter-plate keyways; 24. centering the screw thread; 3. a dense bead shafting structure; 30. a shaft system cylinder wall; 31. an upper transparent cover; 311. mounting threads on the upper transparent cover; 312. sealing the asphalt felt by an upper transparent cover; 32. an upper tapered roller bearing; 33. a spherical shafting; 34. a lower tapered roller bearing; 35. a lower transparent cover; 351. the lower transparent cover is provided with threads; 352. a lower transparent cover sealing asphalt felt; 36. the lower part is screwed with a sleeve in a double-piece manner; 37. the upper double-piece type screwing sleeve is screwed; 4. a main shaft; 41. an input shaft end key groove; 42. output shaft end key groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
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 or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1-4, the present invention provides a technical solution:
the utility model provides a handle of a knife support of dense pearl shafting, includes handle of a knife mount table 1 of 2 upper surfaces of off-axis connecting plate 2 and off-axis connecting plate, its characterized in that: the center of the tool holder mounting table 1 is provided with a tool holder mounting port 11, a plurality of connecting threads 12 are annularly arranged on two sides of the tool holder mounting port 11, the tool holder mounting table 1 and the shaft outer connecting plate 2 are connected through the connecting threads 12, the shaft outer connecting plate 2 is provided with a shaft connecting hole 22, the shaft connecting hole 22 is provided with an output shaft end key groove 42, the shaft connecting hole 22 is internally connected with a main shaft 4, the outer part of the main shaft 4 is coated with a dense ball shaft system structure 3, the upper end of the dense ball shaft system structure 3 is provided with an upper transparent cover 31, the lower part of the upper transparent cover 31 is provided with an upper conical roller bearing 32, the lower part of the upper conical roller bearing 32 is provided with a spherical shaft system 33, the outer side of the spherical shaft system 33 is.
Specifically, the number of the connecting threads 12 is 6.
The boss of the tool holder mounting opening 11 is provided with tool holder fastening threads 111 for fixing the tool holder and the tool.
Two rows of positioning blocks 13 are arranged on the back surface of the tool shank mounting table 1, so that the tool shank mounting table 1 and the off-axis connecting plate 2 are guaranteed to have a strong centering position relation.
The upper surface of the external shaft connecting plate 2 is provided with a positioning sliding groove 21, and the center of the positioning sliding groove 21 is provided with a centering thread 24 to be installed in a matching way with the output end of the main shaft 4.
The upper transparent cover 31 is provided with a plurality of upper transparent cover mounting threads 311, the center of the upper transparent cover 31 is provided with an upper transparent cover sealing felt 312, the lower transparent cover 35 is provided with a plurality of lower transparent cover mounting threads 351, and the center of the lower transparent cover 35 is provided with a lower transparent cover sealing felt 352.
Specifically, the number of the upper transparent cover mounting screw 311 and the lower transparent cover mounting screw 351 is 6 each.
Further, the upper transparent cover sealing felt 312 and the lower transparent cover sealing felt 352 are made of wool, and are embedded inside the transparent covers after oil is absorbed sufficiently.
An upper double-disc type tightening sleeve 37 is arranged on the main shaft 4 above the upper transparent cover 31, and a lower double-disc type tightening sleeve 36 is arranged on the main shaft 4 below the lower transparent cover 35.
In particular, the upper two-piece tightening sleeve 37 and the lower two-piece tightening sleeve 36 are mounted on the spindle 4 by tightening, in which section the spindle 4 is to be provided with a matching locking thread.
The input end and the output end of the main shaft 4 are respectively provided with an input shaft end key groove 41 and an output shaft end key groove 42.
The shaft connecting hole 22 is provided with an inter-plate key groove 23.
Further, the key provided on the inter-plate key groove 23 is a flat key. The installation fit of the flat key is interference fit, and the installation method is cold welding. In order to ensure the tight connection between the main shaft 4 and the external shaft connecting plate 2, the looseness cannot exist.
It should be noted that the upper tapered roller bearing 32 and the lower tapered roller bearing 34 according to the present invention are each of japanese NSK bearings NJ 210E. The upper tapered roller bearing 32 and the lower tapered roller bearing 34 of the present invention are prior art, and can be implemented by those skilled in the art without extra points, and the protection of the present invention does not relate to the improvement of the internal structure and the using method of the two.
The utility model discloses a work flow: the main shaft 4 is sleeved into the shaft system cylinder wall 30, two ends of the main shaft are respectively installed according to the sequence from the bearing to the transparent cover to the double-piece screwing type sleeve, taking the output end as an example, the upper tapered roller bearing 32 is sleeved on the main shaft, then the upper transparent cover sealing felt 312 is embedded into the upper transparent cover 31, the upper transparent cover 31 is installed on the shaft system cylinder wall 30 through an upper transparent cover installation thread 311, then the upper double-piece screwing type sleeve 37 is screwed, then the output shaft end is connected with the shaft outer connecting plate 2 through a key plate key groove 23, the shaft outer connecting plate 2 is connected through a centering thread 24, the shaft outer connecting plate 2 is located through the matching between a positioning block 13 and a positioning chute 21 on the shaft outer connecting plate 2, the shaft outer connecting plate 2 and the tool shank installation table 1 are connected through a connecting thread 12, and the tool shank is finally.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a handle of a knife support of dense pearl shafting, includes handle of a knife mount table (1) of off-axis connecting plate (2) and off-axis connecting plate (2) upper surface, its characterized in that: the center of the tool holder mounting table (1) is provided with a tool holder mounting port (11), two sides of the tool holder mounting port (11) are annularly provided with a plurality of connecting threads (12), the tool holder mounting table (1) and the shaft outer connecting plate (2) are connected through the connecting threads (12), the shaft outer connecting plate (2) is provided with a shaft connecting hole (22), the shaft connecting hole (22) is provided with an output shaft end key groove (42), the shaft connecting hole (22) is internally connected with a main shaft (4), the main shaft (4) is externally coated with a dense ball shaft system structure (3), the upper end of the dense ball shaft system structure (3) is provided with an upper transparent cover (31), an upper conical roller bearing (32) is arranged below the upper transparent cover (31), a spherical shaft system (33) is arranged below the upper conical roller bearing (32), a shaft system cylinder wall (30) is arranged outside the spherical shaft system (33), and a lower conical roller bearing (34) is, a lower transparent cover (35) is arranged below the lower end tapered roller bearing (34).
2. The tool handle support of the dense ball shafting as claimed in claim 1, wherein: and a boss of the knife handle mounting port (11) is provided with a knife handle fastening thread (111).
3. The tool handle support of the dense ball shafting as claimed in claim 1, wherein: two rows of positioning blocks (13) are arranged on the back of the knife handle mounting table (1).
4. The tool handle support of the dense ball shafting as claimed in claim 1, wherein: the upper surface of the external shaft connecting plate (2) is provided with a positioning sliding groove (21), and the center of the positioning sliding groove (21) is provided with a centering thread (24) which is matched with the output end of the main shaft (4) for installation.
5. The tool handle support of the dense ball shafting as claimed in claim 1, wherein: the upper transparent cover (31) is provided with a plurality of upper transparent cover mounting threads (311), the center of the upper transparent cover (31) is provided with an upper transparent cover sealing felt (312), the lower transparent cover (35) is provided with a plurality of lower transparent cover mounting threads (351), and the center of the lower transparent cover (35) is provided with a lower transparent cover sealing felt (352).
6. The tool handle support of the dense ball shafting as claimed in claim 1, wherein: an upper double-piece type screwing sleeve (37) is arranged on the main shaft (4) above the upper transparent cover (31), and a lower double-piece type screwing sleeve (36) is arranged on the main shaft (4) below the lower transparent cover (35).
7. The tool handle support of the dense ball shafting as claimed in claim 1, wherein: and an input shaft end key groove (41) and an output shaft end key groove (42) are respectively arranged at the input end and the output end of the main shaft (4).
8. The tool handle support of the dense ball shafting as claimed in claim 1, wherein: and an inter-plate key groove (23) is arranged on the shaft connecting hole (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922199847.8U CN211540407U (en) | 2019-12-10 | 2019-12-10 | Knife handle support of dense ball shaft system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922199847.8U CN211540407U (en) | 2019-12-10 | 2019-12-10 | Knife handle support of dense ball shaft system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211540407U true CN211540407U (en) | 2020-09-22 |
Family
ID=72503699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922199847.8U Active CN211540407U (en) | 2019-12-10 | 2019-12-10 | Knife handle support of dense ball shaft system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211540407U (en) |
-
2019
- 2019-12-10 CN CN201922199847.8U patent/CN211540407U/en active Active
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