CN214023547U - Roll collar processing clamping fixture for lathe - Google Patents
Roll collar processing clamping fixture for lathe Download PDFInfo
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- CN214023547U CN214023547U CN202023007987.XU CN202023007987U CN214023547U CN 214023547 U CN214023547 U CN 214023547U CN 202023007987 U CN202023007987 U CN 202023007987U CN 214023547 U CN214023547 U CN 214023547U
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- lathe
- expansion sleeve
- oil cylinder
- piston rod
- inner ring
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Abstract
The utility model provides a tight fixture is pressed from both sides in collars processing that lathe was used, including lathe spindle, hydraulic cylinder and the cover that rises, the one end of lathe spindle is equipped with hydraulic cylinder, the other end of lathe spindle is equipped with the cover that rises, hydraulic cylinder includes hydro-cylinder body and piston rod, the piston rod is located the hydro-cylinder is originally internal, just the piston rod runs through the hole of lathe spindle, the piston rod is kept away from the one end of hydro-cylinder body with the cover that rises is connected. The utility model discloses simplified and installed the process additional, guaranteed the concentricity of hole and axle, and the stability of cutter, improved the machining precision of work piece, can not lead to the material processing to damage, the superiority of full play lathe.
Description
Technical Field
The utility model belongs to the technical field of machining equipment technique and specifically relates to a tight fixture of collars processing clamp that lathe was used is related to.
Background
In modern machining process, the lathe is essential equipment, and the lathe is fixed through the chuck most when fixing the machined part, and original processing technology adds the chuck with the machining once more and tightly aligns, thereby the process is loaded down with trivial details wastes time and energy, still leads to machining error because of the unable concentricity of guaranteeing hole and axle and the stability of cutter of fixed unstability sometimes, leads to the material processing to damage even.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a roll collar processing clamping fixture for a lathe, which can solve the problems that the processing procedure is complicated, time and labor are wasted, the concentricity of a hole and a shaft and the stability of a cutter cannot be ensured;
the utility model provides a pair of collars processing clamping fixture that lathe was used, including lathe main shaft, hydraulic cylinder and the cover that rises, lathe main shaft's one end is equipped with hydraulic cylinder, lathe main shaft's the other end is equipped with the cover that rises, hydraulic cylinder includes hydro-cylinder body and piston rod, the piston rod is located the hydro-cylinder is originally internal, just the piston rod runs through lathe main shaft's hole, the piston rod is kept away from hydro-cylinder body's one end with the cover that rises is connected.
Further, the oil cylinder body is connected with the lathe spindle through an oil cylinder connecting set, the oil cylinder connecting set comprises an oil cylinder supporting plate and an oil cylinder connecting seat, one side of the oil cylinder supporting plate is connected with a cylinder cover of the oil cylinder body, the other side of the oil cylinder supporting plate is connected with one side of the oil cylinder connecting seat, and the other side of the oil cylinder connecting seat is connected with the lathe spindle.
Furthermore, one end of the piston rod, which is far away from the oil cylinder body, is provided with a connecting short shaft, and the piston rod is connected with the expansion sleeve through the connecting short shaft.
Furthermore, a piston rod threaded hole is drilled in the center of one end, far away from the oil cylinder body, of the piston rod, and a first threaded connecting head matched with the piston rod threaded hole is arranged at one end, close to the piston rod, of the connecting short shaft.
Furthermore, the expansion sleeve comprises an expansion sleeve outer ring, a support column and an expansion sleeve inner ring, wherein the support column is located inside the expansion sleeve inner ring, and the expansion sleeve inner ring is located inside the expansion sleeve outer ring.
Furthermore, the outer surface of the inner ring of the expansion sleeve and the inner surface of the outer ring of the expansion sleeve are conical surfaces, the inner surface of the inner ring of the expansion sleeve is a cylindrical surface, inner threads are arranged on the inner wall of one end, close to the supporting column, of the inner ring of the expansion sleeve, and external threads matched with the inner threads of the inner ring of the expansion sleeve are arranged at one end, far away from the inner ring of the expansion sleeve, of the shaft surface of the supporting column.
Furthermore, one end, far away from the inner ring of the expansion sleeve, of the support column is provided with a second threaded connector, and the connecting short shaft is close to the center of one end of the support column and is drilled with a short shaft threaded hole matched with the second threaded connector.
Further, the expansion sleeve outer ring is sleeved on the connecting short shaft.
The technical scheme of the utility model take the collars processing clamping fixture that a lathe was used, thereby process the external diameter through the hole of the tight work piece that rises, the cover inner ring surface that rises with the cover outer loop internal surface that rises is the conical surface, the cover inner ring that rises with the conical surface of the cover outer loop that rises mutually supports, when free the cover inner ring that rises with there is certain clearance between the cover outer loop that rises, when using the cover inner ring that rises fills up the clearance and makes along axial displacement the cover outer loop that rises produces radial deformation and rises the work piece that rises. Thereby realize the connection in axle and hole through the cover that rises, simplified the additional equipment process. Through using the utility model discloses add man-hour once more and need not alignment again, not only guaranteed the concentricity of hole and axle, and connect the fastening and make the cutter keep good stability, improve the machining precision of work piece, can not lead to the material processing to damage, the superiority of full play lathe.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a view of the structure of the present invention;
FIG. 2 is a view of the split structure of the present invention;
FIG. 3 is a split structure diagram of the connection short shaft, the support column, the expansion sleeve outer ring and the expansion sleeve inner ring of the present invention;
FIG. 4 is a sectional view of the expanding sleeve inner ring, the expanding sleeve outer ring and the expanding sleeve inner ring;
description of reference numerals:
in the figure: 1-an oil cylinder body, 2-an oil cylinder supporting plate, 3-an oil cylinder connecting seat, 4-a piston rod, 5-a connecting short shaft, 6-an expansion sleeve outer ring, 7-a supporting column, 8-an expansion sleeve inner ring and 9-a lathe spindle;
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, 2, 3 and 4:
the utility model provides a pair of collars processing clamping fixture that lathe was used, including lathe spindle 9, hydraulic cylinder and the cover that rises, the one end of lathe spindle 9 is equipped with hydraulic cylinder, and hydraulic cylinder includes hydro-cylinder body 1 and piston rod 4, and piston rod 4 is arranged in the 9 holes of lathe spindle, and the other end of lathe spindle 9 is equipped with the cover that rises. The hydraulic oil cylinder is a single-rod piston type double-acting hydraulic oil cylinder and comprises two oil inlet and outlet ports and a piston rod 4, wherein the two oil inlet and outlet ports can be communicated with pressure oil or return oil so as to realize bidirectional movement.
The lathe spindle is characterized in that the oil cylinder body 1 is connected with the lathe spindle 9 through an oil cylinder connecting set, the oil cylinder connecting set comprises an oil cylinder supporting plate 2 and an oil cylinder connecting seat 3, one side of the oil cylinder supporting plate 2 is connected with a cylinder cover of the oil cylinder body 1, the other side of the oil cylinder supporting plate 2 is connected with one side of the oil cylinder connecting seat 3, and the other side of the oil cylinder connecting seat 3 is connected with the lathe spindle 9. It should be noted that the cylinder body 1, the cylinder support plate 2 and the cylinder connecting seat 3 are fixed by bolts after being aligned by a calibration device before being installed, so as to ensure the machining accuracy.
One side of the piston rod 4 is provided with a connecting short shaft 5. A piston rod threaded hole is drilled in the center of one end, far away from the oil cylinder body 1, of the piston rod 4, a first threaded connecting head is arranged at one end, close to the piston rod 4, of the connecting short shaft 5, and the piston rod threaded hole of the piston rod 4 is connected with the first threaded connecting head of the connecting short shaft 5 in a matched mode. The screw-thread fit connection can enable the screw-thread fit connection to transmit axial force, and the piston rod 4 drives the connection short shaft 5 when in work, so that the two parts can move axially at the same time.
The expansion sleeve comprises an expansion sleeve outer ring 6, a support column 7 and an expansion sleeve inner ring 8, wherein the support column 7 is positioned inside the expansion sleeve inner ring 8, and the expansion sleeve inner ring 8 is positioned inside the expansion sleeve outer ring 6. The outer surface of the inner expanding sleeve ring 8 and the inner surface of the outer expanding sleeve ring 6 are conical surfaces, the conical surfaces of the inner expanding sleeve ring 8 and the outer expanding sleeve ring 6 are matched with each other, a certain gap exists between the inner expanding sleeve ring 8 and the outer expanding sleeve ring 6 when the expansion tool is idle, and when the expansion tool is used, the inner expanding sleeve ring 8 moves in the axial direction to fill the gap and enable the outer expanding sleeve ring 6 to deform in the radial direction, so that a machined part is expanded. The inner surface of the expansion sleeve inner ring 8 is a cylindrical surface. The inner wall of one end, close to the support column 7, of the expansion sleeve inner ring 8 is provided with an internal thread, one end, far away from the expansion sleeve inner ring 8, of the shaft surface of the support column 7 is provided with an external thread, and the internal thread of the expansion sleeve inner ring 8 is in matched connection with the external thread of the support column 7. In use, the support column 7 is inserted into the inner ring 8 of the expansion sleeve so as to reduce the inward radial deformation of the inner ring of the expansion sleeve and increase the outward radial deformation of the outer ring of the expansion sleeve. One end of the support pillar 7, which is far away from the inner ring 8 of the expansion sleeve, is provided with a second threaded connector, a short shaft threaded hole is drilled in the center of the other end of the connecting short shaft 5, and the second threaded connector of the support pillar 7 is in matched connection with the short shaft threaded hole of the connecting short shaft 5. The screw-thread fit link enables it to transmit axial forces, and the connecting stub shaft 5 drives the support post 7 during operation, thereby enabling both parts to move axially simultaneously.
The central section of the expansion sleeve outer ring 6 is in a two-section step shape, the large outer diameter section of the expansion sleeve outer ring 6 is sleeved on the connecting short shaft 5, and the small outer diameter section is sleeved on the expansion sleeve inner ring 8.
In the installation process, the oil cylinder connecting seat 3 and the oil cylinder supporting disk 2 are connected to the front ends of the spindle of the bed head and the belt pulley in sequence, and are aligned by a dial indicator. The piston rod 4 penetrates through an inner hole of a lathe spindle 9, the oil cylinder body 1 is fixedly connected with the oil cylinder supporting plate 2 and the oil cylinder connecting seat 3 through bolts, stability of the hydraulic oil cylinder in the application process is guaranteed, then the connecting short shaft 5 is connected with the piston rod 4, the supporting column 7 is fixedly connected with the connecting short shaft 5, the supporting column 7 and the expansion sleeve inner ring 8 are aligned and then connected through a dial indicator, the expansion sleeve outer ring 6 is sleeved at the outer end of the connecting short shaft 5 and connected with the spindle through bolts, and the expansion sleeve outer ring 6 is guaranteed not to fall off in high-speed operation.
The utility model discloses an easy operation during the use, thereby it makes piston rod 4 drive and connects minor axis 5, support column 7 and the cover inner ring 8 that rises to make the cover outer loop 6 that rises to rise tight machined part of linear motion along the axial to control 1 transmission axial force of hydro-cylinder body.
The utility model discloses guaranteed the convenient, the concentricity of high accuracy hole and axle of clamping, and connected the fastening, made the cutter keep good stability, performance originally some performance.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (8)
1. The utility model provides a roll collar processing clamping fixture that lathe was used, its characterized in that includes lathe main shaft, hydraulic cylinder and the cover that rises, the one end of lathe main shaft is equipped with hydraulic cylinder, the other end of lathe main shaft is equipped with the cover that rises, hydraulic cylinder includes hydro-cylinder body and piston rod, the piston rod is located the hydro-cylinder is originally internal, just the piston rod runs through the hole of lathe main shaft, the piston rod is kept away from the one end of hydro-cylinder body with the cover that rises is connected.
2. The roll collar machining clamping fixture for the lathe as set forth in claim 1, wherein: the lathe spindle connecting structure comprises an oil cylinder body, an oil cylinder connecting set and an oil cylinder connecting seat, wherein the oil cylinder body is connected with a lathe spindle through the oil cylinder connecting set, the oil cylinder connecting set comprises an oil cylinder supporting disk and an oil cylinder connecting seat, one side of the oil cylinder supporting disk is connected with a cylinder cover of the oil cylinder body, the other side of the oil cylinder supporting disk is connected with one side of the oil cylinder connecting seat, and the other side of the oil cylinder connecting seat is connected with the lathe spindle.
3. The roll collar machining clamping fixture for the lathe as set forth in claim 1, wherein: and one end of the piston rod, which is far away from the oil cylinder body, is provided with a connecting short shaft, and the piston rod is connected with the expansion sleeve through the connecting short shaft.
4. The roll collar machining clamping fixture for the lathe as set forth in claim 3, wherein: a piston rod threaded hole is drilled in the center of one end, far away from the oil cylinder body, of the piston rod, and a first threaded connecting head matched with the piston rod threaded hole is arranged at one end, close to the piston rod, of the connecting short shaft.
5. The roll collar machining clamping fixture for the lathe as set forth in claim 3, wherein: the expansion sleeve comprises an expansion sleeve outer ring, a support column and an expansion sleeve inner ring, wherein the support column is located inside the expansion sleeve inner ring, and the expansion sleeve inner ring is located inside the expansion sleeve outer ring.
6. The roll collar machining clamping fixture for a lathe according to claim 5, characterized in that: the outer surface of the inner ring of the expansion sleeve and the inner surface of the outer ring of the expansion sleeve are conical surfaces, the inner surface of the inner ring of the expansion sleeve is a cylindrical surface, an inner thread is arranged on a section, close to the support column, of the inner wall of the inner ring of the expansion sleeve, and an outer thread capable of being matched with the inner thread of the inner ring of the expansion sleeve is arranged at one end, far away from the inner ring of the expansion sleeve, of the shaft surface of the support column.
7. The roll collar machining clamping fixture for a lathe according to claim 5, characterized in that: the support column is kept away from the one end of the inner ring of the expansion sleeve is provided with a second threaded connector, and the connecting short shaft is close to the center of one end of the support column and is drilled with a short shaft threaded hole matched with the second threaded connector.
8. The roll collar machining clamping fixture for a lathe according to claim 5, characterized in that: the expansion sleeve outer ring is sleeved on the connecting short shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023007987.XU CN214023547U (en) | 2020-12-15 | 2020-12-15 | Roll collar processing clamping fixture for lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023007987.XU CN214023547U (en) | 2020-12-15 | 2020-12-15 | Roll collar processing clamping fixture for lathe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214023547U true CN214023547U (en) | 2021-08-24 |
Family
ID=77337002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023007987.XU Active CN214023547U (en) | 2020-12-15 | 2020-12-15 | Roll collar processing clamping fixture for lathe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214023547U (en) |
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2020
- 2020-12-15 CN CN202023007987.XU patent/CN214023547U/en active Active
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