CN220446172U - Main shaft installation and fixation structure for machine tool - Google Patents
Main shaft installation and fixation structure for machine tool Download PDFInfo
- Publication number
- CN220446172U CN220446172U CN202321169141.7U CN202321169141U CN220446172U CN 220446172 U CN220446172 U CN 220446172U CN 202321169141 U CN202321169141 U CN 202321169141U CN 220446172 U CN220446172 U CN 220446172U
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- machine tool
- inner cavity
- connecting rod
- limiting ring
- main shaft
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- 238000009434 installation Methods 0.000 title claims abstract description 14
- 238000000034 method Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 description 10
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000005498 polishing Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
Abstract
The utility model discloses a main shaft installation and fixation structure for a machine tool, relates to the technical field of main shaft installation and fixation structures, and aims to solve the problems that in the existing main shaft installation structure, a driving mechanism and a machine tool main shaft are in direct connection through bolts, but the direct connection has high requirement on the stability of the bolts, and loosening and falling easily occur for a long time. The device comprises a machine tool spindle, wherein a gear outer seat is arranged on the outer wall of the machine tool spindle, and the gear outer seat and the machine tool spindle are integrally formed; further comprises: the limiting ring blocks are arranged at two sides of the gear outer seat, a bearing inner cavity is formed in the limiting ring blocks, the bearing inner cavity and the limiting ring blocks are integrally formed, an auxiliary bearing is arranged on the inner wall of the bearing inner cavity, and the auxiliary bearing is fixedly arranged with an inner wall screw of the bearing inner cavity; and the positioning jacks are arranged on the outer wall of the limiting ring block, and the four positioning jacks are respectively arranged on the two limiting ring blocks.
Description
Technical Field
The utility model relates to the technical field of spindle mounting and fixing structures, in particular to a spindle mounting and fixing structure for a machine tool.
Background
The main shaft of the machine tool refers to a shaft on the machine tool for driving a workpiece or a cutter to rotate. The main shaft component is usually composed of a main shaft, a bearing, a transmission piece and the like, and the main shaft of the machine tool needs to be in transmission connection with a driving mechanism of the machine tool in the installation process.
For example, bulletin numbers: CN114713861a (named a numerically-controlled machine tool spindle unit mounting structure), which comprises a spindle box, the inside of headstock is through first fixed establishment fixedly connected with headstock, headstock's outside equidistance is equipped with multiunit coupling mechanism, headstock's top is equipped with a plurality of second fixed establishment with coupling mechanism correspondence, headstock's inside is equipped with power unit, coupling mechanism includes a plurality of mounting grooves, headstock's outside annular array is equipped with a plurality of mounting grooves, and is a plurality of the inside of mounting groove all is equipped with the supporting shoe, the supporting shoe is fixed with headstock through hexagon socket head cap screw, second fixed establishment includes a plurality of guide bars, headstock's inside sliding connection has a plurality of guide bars that correspond with the supporting shoe, headstock's inside is equipped with a plurality of steel balls that contradict with the guide bar, axial threaded connection has a plurality of lower screws that contradict with the steel ball on the headstock, axial threaded connection has the upper screw that contradicts with lower screw on the headstock, lower cylindrical lateral wall is conical structure, just the bottom is hexagon head cap screw structure down, first fixed establishment includes and the cylindric screw and can dismantle between the headstock and the cylindric screw through the interior connection.
The main shaft mounting structure adopts a bolt direct connection mode to drive and connect the driving mechanism and the main shaft of the machine tool in the using process, but the direct connection has higher requirement on the stability of the bolt, and the problem of easy loosening and falling off is solved for a long time.
Disclosure of Invention
The utility model aims to provide a main shaft installation fixing structure for a machine tool, which aims to solve the problems that in the prior main shaft installation structure, a driving mechanism and a machine tool main shaft are in transmission connection in a bolt direct connection mode in the using process, but the direct connection has high requirement on the stability of the bolt, and the loosening and the falling easily occur for a long time.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the main shaft mounting and fixing structure for the machine tool comprises a main shaft of the machine tool, wherein a gear outer seat is arranged on the outer wall of the main shaft of the machine tool, and the gear outer seat and the main shaft of the machine tool are integrally formed;
further comprises:
the limiting ring blocks are arranged at two sides of the gear outer seat, a bearing inner cavity is formed in the limiting ring blocks, the bearing inner cavity and the limiting ring blocks are integrally formed, an auxiliary bearing is arranged on the inner wall of the bearing inner cavity, and the auxiliary bearing is fixedly arranged with an inner wall screw of the bearing inner cavity;
the positioning jacks are arranged on the outer wall of the limiting ring block, four positioning jacks are respectively arranged on the two limiting ring blocks, the inside of each positioning jack is inserted and connected with a mounting connecting rod, a movable inner cavity is arranged in each mounting connecting rod, and the movable inner cavity and the mounting connecting rod are integrally formed;
the extension connecting rod is arranged in the movable inner cavity, one end of the extension connecting rod is provided with a fixed pore plate, the fixed pore plate and the extension connecting rod are integrally formed, movable perforations are formed in the connection positions of the extension connecting rod and the installation connecting rod, and the movable perforations are communicated with the movable inner cavity.
Preferably, one end of the machine tool spindle is provided with an end mounting shaft, the end mounting shaft and the machine tool spindle are integrally formed, the outer wall of the end mounting shaft is provided with a positioning shaft pin, and the positioning shaft pin and the end mounting shaft are integrally formed.
Preferably, the two sides of the auxiliary bearing are provided with the stop ring plates, the stop ring plates and the stop ring blocks are provided with fastening screws, and the stop ring plates are fixedly arranged with the stop ring blocks through the fastening screws.
Preferably, an anti-falling tail block is arranged at the other end of the extension connecting rod, the anti-falling tail block and the extension connecting rod are integrally formed, and the size of the anti-falling tail block is larger than the caliber of the movable perforation.
Preferably, the diameter of the stop ring plate is larger than the diameter of the auxiliary bearing.
Preferably, the machine tool spindle is movably connected with the limiting ring block through an auxiliary bearing.
Compared with the prior art, the utility model has the beneficial effects that:
1. the driving mechanism of the machine tool drives the machine tool spindle to rotate through meshing transmission with the gear outer seat, the grinding tool of the machine tool is arranged on the end mounting shaft, and further the grinding tool is driven to rotate and grind, the bolt is driven to be directly connected in a gear meshing transmission mode, the transmission accuracy is higher, the machine tool is durable, the problem that the existing spindle mounting structure is used for directly connecting the driving mechanism and the machine tool spindle in a bolt direct connection mode, but the requirement on stability of the bolt is high due to direct connection, and loosening and falling are easy to occur for a long time is solved.
2. The machine tool spindle is always limited by the two limiting ring blocks in the rotating use process, so that the machine tool spindle can be kept at a specific position to rotate, and the use stability of the machine tool spindle is improved.
Drawings
FIG. 1 is a schematic view of the overall structure of a spindle mounting fixture for a machine tool according to the present utility model;
FIG. 2 is a schematic diagram of the spindle structure of the machine tool of the present utility model;
FIG. 3 is a schematic view of the internal structure of the stop collar block of the present utility model;
FIG. 4 is a schematic diagram of the connection structure of the mounting link and the stop collar block of the present utility model;
in the figure: 1. a machine tool spindle; 2. a gear outer seat; 3. a limiting ring block; 4. positioning the jack; 5. a stop ring plate; 6. an end mounting shaft; 7. positioning shaft pins; 8. a fastening screw; 9. a load bearing inner cavity; 10. an auxiliary bearing; 11. installing a connecting rod; 12. an extension link; 13. a fixed orifice plate; 14. a movable inner cavity; 15. an anti-falling tail block; 16. and (5) movably perforating.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-4, an embodiment of the present utility model is provided: the main shaft mounting and fixing structure for the machine tool comprises a machine tool main shaft 1, wherein a gear outer seat 2 is arranged on the outer wall of the machine tool main shaft 1, and the gear outer seat 2 and the machine tool main shaft 1 are integrally formed;
further comprises:
the limiting ring blocks 3 are arranged at two side positions of the gear outer seat 2, a bearing inner cavity 9 is formed in the limiting ring blocks 3, the bearing inner cavity 9 and the limiting ring blocks 3 are integrally formed, an auxiliary bearing 10 is arranged on the inner wall of the bearing inner cavity 9, and the auxiliary bearing 10 is fixedly arranged with the inner wall of the bearing inner cavity 9 through bolts;
the positioning jack 4 is arranged on the outer wall of the limiting ring block 3, four positioning jacks 4 are respectively arranged on the two limiting ring blocks 3, the inside of the positioning jack 4 is inserted and connected with the installation connecting rod 11, the inside of the installation connecting rod 11 is provided with the movable inner cavity 14, and the movable inner cavity 14 and the installation connecting rod 11 are integrally formed;
the extension connecting rod 12 is arranged in the movable inner cavity 14, one end of the extension connecting rod 12 is provided with a fixed orifice plate 13, the fixed orifice plate 13 and the extension connecting rod 12 are integrally formed, a movable perforation 16 is arranged at the connection position of the extension connecting rod 12 and the installation connecting rod 11, and the movable perforation 16 is communicated with the movable inner cavity 14.
When the device is used, eight mounting connecting rods are respectively inserted and mounted on four positioning jacks on two limiting ring blocks, then the extending connecting rods are lengthened or shortened to move as required, the two limiting ring blocks are fixedly connected with a machine tool body through fixed orifice plate mounting screws, so that the purpose of fixedly erecting the two limiting ring blocks is achieved, after the mounting is completed, gears corresponding to the outer gear seat are mounted on a driving mechanism of the machine tool, the driving mechanism of the machine tool is in meshed transmission connection with the outer gear seat, the driving mechanism of the machine tool drives a machine tool spindle to rotate through meshed transmission with the outer gear seat, and a grinding tool of the machine tool is mounted on an end mounting shaft to further drive the grinding tool to rotate for grinding.
Referring to fig. 1, an end mounting shaft 6 is disposed at one end of a machine tool spindle 1, the end mounting shaft 6 and the machine tool spindle 1 are integrally formed, a positioning shaft pin 7 is disposed on an outer wall of the end mounting shaft 6, the positioning shaft pin 7 and the end mounting shaft 6 are integrally formed, and the end mounting shaft 6 disposed at one end of the machine tool spindle 1 plays a role in facilitating installation of a polishing tool.
Referring to fig. 3, the two sides of the auxiliary bearing 10 are respectively provided with a stop ring plate 5, the stop ring plates 5 and the stop ring blocks 3 are respectively provided with a fastening screw 8, the stop ring plates 5 are fixedly arranged with the stop ring blocks 3 through the fastening screws 8, and the stop ring plates 5 arranged on the two sides of the auxiliary bearing 10 play a role in shielding and protecting the auxiliary bearing 10.
Referring to fig. 4, an anti-falling tail block 15 is disposed at the other end of the extension link 12, the anti-falling tail block 15 and the extension link 12 are integrally formed, the size of the anti-falling tail block 15 is larger than the caliber of the movable through hole 16, and the anti-falling tail block 15 disposed at the other end of the extension link 12 plays a role in assisting the anti-falling of the extension link 12.
Referring to fig. 3, the diameter of the stop ring plate 5 is larger than that of the auxiliary bearing 10.
Referring to fig. 4, a machine tool spindle 1 is movably connected with a stop collar block 3 through an auxiliary bearing 10.
Working principle: when the machine tool is used, eight mounting connecting rods 11 are respectively inserted and mounted on four positioning jacks 4 on two limiting ring blocks 3, then the extending connecting rods 12 are lengthened or shortened to move as required, the two limiting ring blocks 3 are fixedly connected with a machine tool body through mounting screws of a fixed orifice plate 13, so that the purpose of fixedly erecting the two limiting ring blocks 3 is achieved, after the mounting is finished, gears corresponding to the gear outer seats 2 are mounted on a driving mechanism of the machine tool, the driving mechanism of the machine tool is in meshed transmission connection with the gear outer seats 2, the driving mechanism of the machine tool drives a machine tool spindle 1 to rotate through meshed transmission with the gear outer seats 2, a polishing tool of the machine tool is mounted on an end mounting shaft 6, and further the polishing tool is driven to rotate and polish, the machine tool spindle 1 is always limited by the two limiting ring blocks 3 in the rotating use process, the machine tool spindle 1 can be kept to rotate at a specific position, the use stability of the machine tool spindle 1 is improved, and the use work of the spindle mounting and fixing structure of the machine tool is completed.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The main shaft mounting and fixing structure for the machine tool comprises a machine tool main shaft (1), wherein a gear outer seat (2) is arranged on the outer wall of the machine tool main shaft (1), and the gear outer seat (2) and the machine tool main shaft (1) are integrally formed;
the method is characterized in that: further comprises:
the limiting ring blocks (3) are arranged on two sides of the gear outer seat (2), a bearing inner cavity (9) is formed in the limiting ring blocks (3), the bearing inner cavity (9) and the limiting ring blocks (3) are integrally formed, an auxiliary bearing (10) is arranged on the inner wall of the bearing inner cavity (9), and the auxiliary bearing (10) is fixedly arranged with the inner wall screw of the bearing inner cavity (9);
the positioning jacks (4) are arranged on the outer walls of the limiting ring blocks (3), four positioning jacks (4) are respectively arranged on the two limiting ring blocks (3), the inside of each positioning jack (4) is inserted and connected with a mounting connecting rod (11), a movable inner cavity (14) is arranged in each mounting connecting rod (11), and the movable inner cavities (14) and the mounting connecting rods (11) are integrally formed;
the extension connecting rod (12) is arranged in the movable inner cavity (14), one end of the extension connecting rod (12) is provided with a fixed orifice plate (13), the fixed orifice plate (13) and the extension connecting rod (12) are integrally formed, a movable perforation (16) is arranged at the connection position of the extension connecting rod (12) and the installation connecting rod (11), and the movable perforation (16) is communicated with the movable inner cavity (14).
2. A spindle mounting fixture for a machine tool according to claim 1, wherein: one end of the machine tool spindle (1) is provided with an end mounting shaft (6), the end mounting shaft (6) and the machine tool spindle (1) are integrally formed, the outer wall of the end mounting shaft (6) is provided with a positioning shaft pin (7), and the positioning shaft pin (7) and the end mounting shaft (6) are integrally formed.
3. A spindle mounting fixture for a machine tool according to claim 1, wherein: the two sides of the auxiliary bearing (10) are provided with stop ring plates (5), fastening screws (8) are arranged on the stop ring plates (5) and the stop ring blocks (3), and the stop ring plates (5) are fixedly arranged with the stop ring blocks (3) through the fastening screws (8).
4. A spindle mounting fixture for a machine tool according to claim 1, wherein: the anti-falling tail block (15) is arranged at the other end of the extension connecting rod (12), the anti-falling tail block (15) and the extension connecting rod (12) are integrally formed, and the size of the anti-falling tail block (15) is larger than the caliber of the movable perforation (16).
5. A spindle mounting fixture for a machine tool according to claim 3, wherein: the diameter of the stop ring plate (5) is larger than that of the auxiliary bearing (10).
6. A spindle mounting fixture for a machine tool according to claim 1, wherein: the machine tool spindle (1) is movably connected with the limiting ring block (3) through an auxiliary bearing (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321169141.7U CN220446172U (en) | 2023-05-16 | 2023-05-16 | Main shaft installation and fixation structure for machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321169141.7U CN220446172U (en) | 2023-05-16 | 2023-05-16 | Main shaft installation and fixation structure for machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220446172U true CN220446172U (en) | 2024-02-06 |
Family
ID=89737938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321169141.7U Active CN220446172U (en) | 2023-05-16 | 2023-05-16 | Main shaft installation and fixation structure for machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220446172U (en) |
-
2023
- 2023-05-16 CN CN202321169141.7U patent/CN220446172U/en active Active
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