CN210451041U - Lathe fixture - Google Patents
Lathe fixture Download PDFInfo
- Publication number
- CN210451041U CN210451041U CN201920974187.3U CN201920974187U CN210451041U CN 210451041 U CN210451041 U CN 210451041U CN 201920974187 U CN201920974187 U CN 201920974187U CN 210451041 U CN210451041 U CN 210451041U
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- fixture body
- expansion sleeve
- fixture
- pull rod
- arc
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Abstract
The utility model discloses a lathe fixture, which comprises a fixture body, a pull rod, an expansion sleeve and a positioning disc, and is characterized in that the front end of the fixture body is fixedly connected with a mandrel with a conical section, the rear end of the fixture body is provided with an inner cavity, the pull rod is arranged in the inner cavity in a sliding way, the pull rod is provided with a connecting rod which passes through the fixture body, the connecting rod is connected with the expansion sleeve, the expansion sleeve is sleeved on the mandrel and is provided with a conical hole matched with the conical section, and the positioning disc is connected with the front end of the fixture body and is positioned at the radial outer side of the expansion sleeve; the fixture body is axially provided with three arc-shaped holes, and the aperture of at least one end of each arc-shaped hole is larger than that of the middle part; the utility model discloses can once only demolish in the whole, can improve machining efficiency.
Description
Technical Field
The utility model relates to a lathe fixture.
Background
At present, when a clamp for a lathe is disassembled, the clamp body, the pull rod, the expansion sleeve and the positioning disc of the clamp need to be sequentially disassembled from the lathe bed respectively, and the clamp cannot be integrally disassembled at one time, so that the machining efficiency is influenced.
Disclosure of Invention
The utility model aims at the above-mentioned not enough that prior art exists, provide a turning attachment, it can once only demolish in the whole, can improve machining efficiency.
In order to achieve the purpose, the utility model discloses a lathe fixture, including the anchor clamps body, pull rod, expand set and positioning disk, its characterized in that the front end of the anchor clamps body is connected with the dabber of the conical section firmly, the rear end of the anchor clamps body is equipped with the inner chamber, the pull rod is slidingly arranged in the inner chamber, the pull rod is equipped with the connecting rod that passes through the anchor clamps body, the connecting rod is connected with the expand set, the expand set is sleeved on the dabber and is equipped with the taper hole that matches with the conical section, the positioning disk is connected with the front end of the anchor clamps body and is located the radial outside of the expand set; the fixture body is provided with three arc-shaped holes in the axial direction, and the aperture of at least one end of each arc-shaped hole is larger than that of the middle part of each arc-shaped hole.
When the mounting device is used, the three mounting bolts penetrate through the middle parts of the arc-shaped holes and are connected with the lathe bed, and the outer diameters of the heads of the mounting bolts are between the middle aperture of the arc-shaped holes and the aperture of the larger end part; when the clamp needs to be replaced, each mounting bolt is loosened, the clamp body is rotated, the head of each mounting bolt is positioned in a larger end aperture, and the pull rod, the expansion sleeve and the positioning disc are arranged in the clamp body or connected with the clamp body, so that the clamp can be integrally detached from the machine body at one time, and the processing efficiency can be improved;
as a further improvement of the utility model, the aperture at both ends of each arc-shaped hole is larger than that at the middle part; the clamp body can be rotated in two directions, and the use is convenient;
as a further improvement of the utility model, a lubricating oil path is arranged in the fixture body, an oil inlet of the lubricating oil path is positioned on the rear end face of the fixture body, and two oil outlets of the lubricating oil path are respectively positioned on the side wall of the inner cavity and the excircle of the mandrel; the smooth movement of the pull rod and the expansion sleeve can be ensured;
to sum up, the utility model discloses can once only demolish by the whole, can improve machining efficiency, convenient to use.
Drawings
Fig. 1 is a front view of an embodiment of the present invention.
Fig. 2 is a right side view of fig. 1.
Fig. 3 is a front view of the clamp body of fig. 1.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 3, the lathe fixture comprises a fixture body 1, a pull rod 2, an expansion sleeve 3 and a positioning disc 4, wherein a mandrel with a conical section 5 is fixedly connected with the front end of the fixture body 1, an inner cavity 6 is arranged at the rear end of the fixture body 1, the pull rod 2 is slidably arranged in the inner cavity 6, the pull rod 2 is provided with a connecting rod 7 penetrating through the fixture body 1, the connecting rod 7 is connected with the expansion sleeve 3 through a screw 8, the expansion sleeve 3 is sleeved on the mandrel and provided with a conical hole matched with the conical section 5, and the positioning disc 4 is connected with the front end of the fixture body 1 through a screw 9 and is positioned on the radial outer side of the expansion sleeve 3; the fixture body 1 is provided with three arc-shaped holes 10 in the axial direction, and the aperture of two ends of each arc-shaped hole 10 is larger than that of the middle part; a lubricating oil path 11 is arranged in the clamp body 1, an oil inlet of the lubricating oil path 11 is positioned on the rear end face of the clamp body 1, and two oil outlets of the lubricating oil path 11 are respectively positioned on the side wall of the inner cavity 6 and the excircle of the mandrel;
when the tool is used, the three mounting bolts penetrate through the middle parts of the arc-shaped holes 10 respectively to be connected with the tool body, the outer diameters of the heads of the mounting bolts are between the middle aperture of the arc-shaped holes 10 and the apertures of the two larger end parts, the inner hole of the workpiece is sleeved on the expansion sleeve 3, the end surface of the workpiece is contacted with the positioning disc 4, the pull rod 2 is pulled backwards, so that the front end of the expansion sleeve 3 is propped open by the conical section 5, the workpiece is fixed, and the processing can be carried out; when the clamp needs to be replaced, the mounting bolts are loosened, the clamp body 1 is rotated, the head of each mounting bolt is positioned in a larger end aperture, and the pull rod 2, the expansion sleeve 3 and the positioning disc 4 are arranged in or connected with the clamp body 1, so that the clamp can be integrally detached from the lathe bed at one time, and the processing efficiency can be improved; the aperture of the two ends of each arc-shaped hole 10 is larger than that of the middle part, so that the fixture body 1 can be rotated in two directions, and the use is convenient; lubricating oil is added through the lubricating oil path 11, so that the pull rod 2 and the expansion sleeve 3 can be ensured to move smoothly.
Claims (3)
1. A lathe fixture comprises a fixture body, a pull rod, an expansion sleeve and a positioning disc, and is characterized in that the front end of the fixture body is fixedly connected with a mandrel with a conical section, the rear end of the fixture body is provided with an inner cavity, the pull rod is slidably arranged in the inner cavity, the pull rod is provided with a connecting rod penetrating through the fixture body, the connecting rod is connected with the expansion sleeve, the expansion sleeve is sleeved on the mandrel and provided with a conical hole matched with the conical section, and the positioning disc is connected with the front end of the fixture body and is positioned on the radial outer side of the expansion sleeve; the fixture body is provided with three arc-shaped holes in the axial direction, and the aperture of at least one end of each arc-shaped hole is larger than that of the middle part of each arc-shaped hole.
2. The lathe fixture of claim 1, wherein the diameter of each arcuate hole is greater at each end than at the center.
3. The turning attachment of claim 1 or 2, characterized in that the fixture body is provided with a lubrication oil passage, an oil inlet of the lubrication oil passage is located at the rear end face of the fixture body, and two oil outlets thereof are located at the side wall of the inner cavity and the outer circle of the mandrel respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920974187.3U CN210451041U (en) | 2019-06-26 | 2019-06-26 | Lathe fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920974187.3U CN210451041U (en) | 2019-06-26 | 2019-06-26 | Lathe fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210451041U true CN210451041U (en) | 2020-05-05 |
Family
ID=70442226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920974187.3U Active CN210451041U (en) | 2019-06-26 | 2019-06-26 | Lathe fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210451041U (en) |
-
2019
- 2019-06-26 CN CN201920974187.3U patent/CN210451041U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |