CN211516089U - Four-axis tailstock and four-axis machining machine table using same - Google Patents
Four-axis tailstock and four-axis machining machine table using same Download PDFInfo
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- CN211516089U CN211516089U CN201922205017.1U CN201922205017U CN211516089U CN 211516089 U CN211516089 U CN 211516089U CN 201922205017 U CN201922205017 U CN 201922205017U CN 211516089 U CN211516089 U CN 211516089U
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Abstract
The utility model provides a four-axis tailstock, which comprises a tailstock bottom plate, a tailstock frame and a tailstock positioning device; the tailstock positioning device comprises a large fixed disk, a small fixed disk and a limiting rotating body; a bearing is arranged in the small fixed disc; the limiting rotating body comprises a rotating shaft and a limiting unit for placing the blank; the rotating shaft is fixedly arranged in the bearing; the limiting unit comprises a clamping part which is closed in the circumferential direction and an accommodating part which is discontinuous in the circumferential direction; the utility model also provides a four-axis processing board. The utility model provides a four-axis tailstock and use four-axis processing board of this tailstock can make axle type blank process steadily in the process of rotating, has avoided the eccentric problem of top class tailstock; the stability of the blank material in the processing process is kept, and the processing precision is improved; and reuse rate is higher, has improved the life of four-axis tailstock.
Description
Technical Field
The utility model relates to a digit control machine tool processing field especially relates to a four-axis tailstock and use four-axis processing board of this tailstock.
Background
With the continuous development of scientific technology, mechanical products are increasingly precise and complex, and for mechanical parts with complex shapes and higher precision requirements, numerical control machine tools are widely popularized in the technical field of machining due to the advantages of strong adaptability, high machining precision, stable machining quality, high production efficiency and the like.
The processing machine table is mainly used for processing planes, grooves, curved surfaces and the like, is the fastest-developing product in a numerical control machine tool, is also the most widely applied machine tool, and is suitable for the fields of machining, dies, ship industries, automobiles, parts, aerospace and the like. The four-axis machining is characterized in that on the basis of three-axis machining, the three-axis machining is added with the participation of rotary motion except for three linear motion, a curved surface can be machined, and high precision is achieved.
When the four-axis machining machine platform is used for machining shaft parts, the tail end of a shaft blank needs to be arranged on the tailstock. The existing tailstock mostly adopts a centre mode to prop the shaft blank material and then process the shaft blank material. The top tailstock is easy to be eccentric, so that blank materials are inclined, and the processing precision is influenced; in the processing process, the top tip can be broken in the process of propping the blank because the blank is subjected to multi-directional force; and the center is easy to wear, and the repeated utilization rate is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a four-axis tailstock.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a four-axis tailstock comprises a tailstock bottom plate, a tailstock frame and a tailstock positioning device; the tailstock frame is fixedly arranged on the tailstock bottom plate; the tailstock positioning device comprises a large fixed disk, a small fixed disk and a limiting rotating body; the large fixed disc is fixedly arranged on the tailstock frame; the small fixed disk is fixedly arranged on the large fixed disk; a bearing is arranged in the small fixed disc; the limiting rotating body comprises a rotating shaft and a limiting unit for placing the blank; the rotating shaft is fixedly arranged in the bearing; the limiting unit is fixedly arranged on the rotating shaft; the limiting unit comprises a clamping part which is closed in the circumferential direction and an accommodating part which is discontinuous in the circumferential direction; the clamping part is located at one end, far away from the rotating shaft, of the limiting unit, and the accommodating part is connected with the clamping part.
Furthermore, the large fixed disk, the small fixed disk and the limiting rotating body are coaxial.
Furthermore, the number of the bearings is two, and the two bearings are respectively arranged at two ends of the small fixed disk.
Further, the outer diameter of the clamping part is larger than that of the accommodating part.
Further, the accommodating part is provided with a first screw hole which penetrates through the accommodating part in the radial direction.
Furthermore, the clamping part is kept away from one end of the rotating shaft is embedded with a sealing ring, and the sealing ring is directly contacted with the blank.
Further, the sealing ring is provided with a notch.
Furthermore, the part of the clamping part contacting the sealing ring is provided with a second screw hole which is radially communicated, and the second screw hole avoids the notch.
Furthermore, the clamping part is also provided with a screw which is matched with the second screw hole and used for tightly jacking the blank.
In addition, the utility model also relates to a four-axis processing machine platform, which comprises a main control part, a workbench and the four-axis tailstock; the workbench is provided with sliding chutes which are uniformly distributed; the four-axis tailstock is arranged on the workbench in a sliding manner; the main control part is arranged opposite to the four-axis tailstock; the main control part comprises a block, a four-axis table, a four-axis adapter flange and a three-jaw chuck for clamping blank; the heightening block is arranged on the workbench in a sliding manner; the four-axis table is fixedly arranged on the block; the four-axis adapter flange is arranged on the front surface of the four-axis platform; the three-jaw chuck is arranged on one side, close to the four-axis tailstock, of the four-axis adapter flange; the three-jaw chuck, the four-axis adapter flange and the four-axis table are coaxial.
Compared with the prior art, the beneficial effects of the utility model are that: by replacing the top tailstock with the four-shaft tailstock of the utility model, the shaft blank can be stably processed in the rotating process, thereby avoiding the problem of eccentricity of the top tailstock; because the blank is subjected to multi-directional force in the processing process, compared with a top tailstock, the four-axis tailstock of the utility model keeps the stability of the blank in the processing process and improves the processing precision; compared with the top tailstock, the four-axis tailstock of the utility model has higher repeated utilization rate and prolongs the service life of the four-axis tailstock; in the numerical control machine tool machining field, the utility model discloses help improving machine part's precision finishing degree, promoted machine part's quality.
Drawings
Fig. 1 is a schematic structural diagram of a four-axis tailstock according to an embodiment of the present invention;
fig. 2 is an exploded view of a tailstock positioning device according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a limiting rotor according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a four-axis machining machine according to an embodiment of the present invention;
the tailstock base plate comprises a tailstock base plate 1, a tailstock frame 2, a tailstock positioning device 3, a large fixed disk 31, a small fixed disk 32, a limiting rotating body 33, a bearing 34, a rotating shaft 331, a limiting unit 332, an accommodating part 333, a clamping part 334, a first screw hole 335, a sealing ring 35, a second screw hole 336, a screw 36, a blank 4, a four-axis tailstock 5, a main control part 6, a heightening block 61, a four-axis table 62, a four-axis adapter flange 63, a three-jaw chuck 64 and a workbench 7.
Detailed Description
In order to further understand the objects, structures, features and functions of the present invention, the following embodiments are described in detail.
Referring to fig. 1 to 3, the present invention provides a four-axis tailstock, which includes a tailstock base plate 1, a tailstock frame 2, and a tailstock positioning device 3; the tailstock frame 2 is fixedly arranged on the tailstock bottom plate 1; the tailstock positioning device 3 comprises a large fixed disk 31, a small fixed disk 32 and a limiting rotating body 33; the large fixed disk 31 is fixedly arranged on the tailstock 2; the small fixed disk 32 is fixedly arranged on the large fixed disk 31; the small fixed disk 32 is provided with a bearing 34; the limiting rotating body 33 comprises a rotating shaft 331 and a limiting unit 332 for placing the blank 4; the rotating shaft 331 is fixedly installed in the bearing 34; the limiting unit 332 is fixedly installed on the rotating shaft 331; the limiting unit 332 comprises a circumferentially closed clamping part 334 and a circumferentially intermittent accommodating part 333; the locking part 334 is located at one end of the position limiting unit 332 away from the rotating shaft 331, and the accommodating part 333 is connected with the locking part 334. By applying the four-axis tailstock provided by the embodiment of the utility model, the blank 4 can be stably processed in the rotating process; the reason why the chucking part 334 and the accommodating part 333 are provided in the positioning unit 332 is to smooth the processing of the blank 4.
The large fixed disk 31, the small fixed disk 32 and the limit rotating body 33 are coaxial. The embodiment of the utility model provides an in, blank material 4 is the axle type, and is coaxial through setting up big fixed disk 31, little fixed disk 32 and spacing rotor 33, can effectively avoid the eccentric problem in the course of working.
The number of the bearings 34 is two, and the two bearings 34 are respectively arranged at two ends of the small fixed disk 32. The embodiment of the utility model provides an in, through installing axis of rotation 331 in two bearings 34, it is more nimble in order to make spacing rotor 33 rotate, and then makes blank 4 in time accurately processed.
The outer diameter of the gripping part 334 is larger than the outer diameter of the accommodating part 333. In the embodiment of the present invention, the outer diameter through the clamping portion 334 is larger than the outer diameter of the accommodating portion 333, so that the four-axis tailstock clamping blank 4 is firmer.
The end of the gripping part 334 remote from the rotation shaft 331 is embedded with a sealing ring 35, and the sealing ring 35 directly contacts the hair blank 4. The sealing ring 35 is provided with a notch. The clamp portion 334 is provided with a second screw hole 336 penetrating in the radial direction at a portion contacting the seal ring 35; and the second screw hole 336 avoids the notch. The gripping part 334 is further provided with a screw 36 for tightening the blank 4, which screw is matched with the second screw hole 336. In the embodiment of the present invention, the sealing ring 35 with a notch, the second screw hole 336, the screw 36 and the clamping part 334 are used together as a structure for clamping the blank 4; through setting up the sealing ring 35 of taking the breach, can avoid screw 36 direct contact blank 4, prevent that the block department of blank 4 and chucking part 334 from wearing and tearing back from causing blank 4 crooked, further avoided the eccentric problem in the course of working, improved the machining precision.
The accommodating portion 333 is provided with a first screw hole 335 penetrating in the radial direction. The first screw holes 335 are alternative screw holes, and the blank 4 can be tightened by inserting screws.
In addition, the utility model also provides a four-axis processing machine platform, which comprises a main control part 6, a workbench 7 and the four-axis tailstock 5; the workbench 7 is provided with chutes which are uniformly distributed; the four-axis tailstock 5 is arranged on the workbench 7 in a sliding manner; the main control part 6 is arranged opposite to the four-axis tailstock 5; the main control part 6 comprises a block-up block 61, a four-axis table 62, a four-axis adapter flange 63 and a three-jaw chuck 64 for clamping blank; the heightening block 61 is slidably provided on the table 7; the four-axis table 62 is fixedly arranged on the block 61; the four-axis adapter flange 63 is arranged on the front surface of the four-axis table 62; the three-jaw chuck 64 is arranged on one side, close to the four-axis tailstock 5, of the four-axis adapter flange 63; the three-jaw chuck 64, the four-axis adapter flange 63 and the four-axis table 62 are coaxial.
As shown in fig. 1, fig. 2 and fig. 4, the embodiment of the utility model provides a four-axis tailstock and the theory of operation of the four-axis processing board that uses this tailstock: the blank 4 is loaded into the three-jaw chuck 64 and the limiting unit 332 of the four-axis tailstock 5, the screw 36 is inserted into the second screw hole 336, and the blank 4 is tightly pushed by pushing the sealing ring 35; the four-axis tailstock 5 and the main control part 6 can move on the workbench in the horizontal direction, so that the blank 4 can be transversely processed; a four-axis table of the four-axis processing machine table is used as a power source of the main control part 6, so as to control the blank 4 to rotate; the rotation shaft 331 rotates along with the blank 4 via the two bearings 34, so that the blank 4 can be smoothly and stably rotated with high accuracy.
The utility model provides a four-axis tailstock and use four-axis processing board of this tailstock can make axle type blank process steadily in the process of rotating, has avoided the eccentric problem of top class tailstock; because the blank is subjected to multi-directional force in the processing process, compared with a top tailstock, the four-axis tailstock of the utility model keeps the stability of the blank in the processing process and improves the processing precision; compared with the top tailstock, the four-axis tailstock of the utility model has higher repeated utilization rate and prolongs the service life of the four-axis tailstock; in the numerical control machine tool machining field, the utility model discloses help improving machine part's precision finishing degree, promoted machine part's quality.
The present invention has been described in relation to the above embodiments, which are only examples for implementing the present invention. It should be noted that the disclosed embodiments do not limit the scope of the invention. On the contrary, all changes and modifications which do not depart from the spirit and scope of the present invention are deemed to fall within the scope of the present invention.
Claims (10)
1. A four-axis tailstock is characterized by comprising a tailstock bottom plate, a tailstock frame and a tailstock positioning device;
the tailstock frame is fixedly arranged on the tailstock bottom plate;
the tailstock positioning device comprises a large fixed disk, a small fixed disk and a limiting rotating body; the large fixed disc is fixedly arranged on the tailstock frame; the small fixed disk is fixedly arranged on the large fixed disk; a bearing is arranged in the small fixed disc; the limiting rotating body comprises a rotating shaft and a limiting unit for placing the blank; the rotating shaft is fixedly arranged in the bearing; the limiting unit is fixedly arranged on the rotating shaft; the limiting unit comprises a clamping part which is closed in the circumferential direction and an accommodating part which is discontinuous in the circumferential direction; the clamping part is located at one end, far away from the rotating shaft, of the limiting unit, and the accommodating part is connected with the clamping part.
2. The four-axis tailstock according to claim 1, wherein the large fixed disk, the small fixed disk and the limiting rotating body are coaxial.
3. The four-axis tailstock according to claim 1, wherein there are two bearings, and the two bearings are respectively arranged at two ends of the small fixed disc.
4. The four-axis tailstock according to claim 1, wherein the clamping portion has an outer diameter greater than the receiving portion.
5. The four-axis tailstock according to claim 1, wherein the accommodation is provided with a first threaded hole passing radially through.
6. Four-axis tailstock according to claim 1, characterized in that the clamping part is embedded with a sealing ring at the end remote from the rotation axis, the sealing ring directly contacting the blank.
7. The four-axis tailstock according to claim 6, wherein the sealing ring is provided with a notch.
8. The four-axis tailstock according to claim 7, wherein the clamping part is provided with a second screw hole which is radially through at the part contacting the sealing ring, and the second screw hole avoids the notch.
9. The four-axis tailstock according to claim 8, wherein the clamping part is further provided with a screw matched with the second screw hole and used for tightly pressing the blank.
10. The utility model provides a four-axis processing board which characterized in that includes: a master control part, a workbench and the four-axis tailstock according to any one of claims 1 to 9; the workbench is provided with sliding chutes which are uniformly distributed; the four-axis tailstock is arranged on the workbench in a sliding manner; the main control part is arranged opposite to the four-axis tailstock; the main control part comprises a block, a four-axis table, a four-axis adapter flange and a three-jaw chuck for clamping blank; the heightening block is arranged on the workbench in a sliding manner; the four-axis table is fixedly arranged on the block; the four-axis adapter flange is arranged on the front surface of the four-axis platform; the three-jaw chuck is arranged on one side, close to the four-axis tailstock, of the four-axis adapter flange; the three-jaw chuck, the four-axis adapter flange and the four-axis table are coaxial.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922205017.1U CN211516089U (en) | 2019-12-11 | 2019-12-11 | Four-axis tailstock and four-axis machining machine table using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922205017.1U CN211516089U (en) | 2019-12-11 | 2019-12-11 | Four-axis tailstock and four-axis machining machine table using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211516089U true CN211516089U (en) | 2020-09-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922205017.1U Active CN211516089U (en) | 2019-12-11 | 2019-12-11 | Four-axis tailstock and four-axis machining machine table using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211516089U (en) |
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2019
- 2019-12-11 CN CN201922205017.1U patent/CN211516089U/en active Active
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