CN112692318A - Tool for machining outer circle of thin-wall long aluminum pipe and using method of tool - Google Patents
Tool for machining outer circle of thin-wall long aluminum pipe and using method of tool Download PDFInfo
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- CN112692318A CN112692318A CN202110010365.2A CN202110010365A CN112692318A CN 112692318 A CN112692318 A CN 112692318A CN 202110010365 A CN202110010365 A CN 202110010365A CN 112692318 A CN112692318 A CN 112692318A
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- mandrel
- thin
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- shaped rubber
- nut
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/40—Expansion mandrels
- B23B31/4073—Gripping the work or tool between planes almost perpendicular to the axis
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/12—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for securing to a spindle in general
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
- Gripping On Spindles (AREA)
Abstract
The invention discloses a tool for processing the excircle of a thin-wall long aluminum tube and a using method thereof, wherein the tool comprises a mandrel, a support ring, a plurality of O-shaped rubber rings and a nut, through holes matched with the outer diameter of the mandrel are respectively arranged in the support ring and the O-shaped rubber rings, the support ring and the O-shaped rubber rings are respectively sleeved on the mandrel through the corresponding through holes at intervals in a staggered state, the support ring and the O-shaped rubber rings can slide left and right along the mandrel, external threads matched with the nut are respectively arranged at two ends of the mandrel along the axial direction of the mandrel, and the nut is screwed on the mandrel through the external threads. The tool is used for processing the outer circle of the thin-wall long aluminum pipe, the O-shaped rubber ring has the stretching and compressing properties, and the tool is used for clamping and fixing the thin-wall long aluminum pipe, so that the deformation caused by clamping is reduced.
Description
Technical Field
The invention relates to the technical field of thin-wall part machining tools, in particular to a tool for machining an outer circle of a thin-wall long aluminum pipe and a using method thereof.
Background
The aluminum alloy has the outstanding advantages of small density, high specific strength, high plasticity, corrosion resistance and the like, and is a common structural material in the field of pipes. In the civil and aerospace field, according to the characteristic requirements of certain products, thin-wall aluminum pipe fittings are often used, and the thin-wall aluminum pipe fittings have the characteristics of compact structure, light weight and the like, and are widely applied to different mechanical fields.
In some specific fields, the excircle processing of thin-wall parts is developed towards the direction of lighter, thinner and higher processing quality requirements, so that higher requirements are provided for the mechanical processing of thin-wall aluminum pipe fittings. Especially for relatively long thin-wall aluminum pipe fittings, the length is required to be more than 1.8m, and the thickness is required to be less than 0.9mm, aiming at the excircle processing of the thin-wall long aluminum pipe fittings, the processing precision and the appearance are required to be very high, so the manufacturing cost is also very high. The tool is required to have good clamping performance, can provide enough clamping force, cannot enable relative displacement to occur between the workpiece and the tool, and cannot enable the workpiece to deform due to clamping deformation caused by overlarge clamping force, so that the final machining quality of the workpiece is affected. By adopting the existing tool structure, the problem of tool shaking is very easy to occur in the actual machining process, and the deformation phenomenon is serious due to the release of internal stress, so that the straightness and concentricity of the machined product cannot meet the use requirements, and the machined product can only be scrapped, thereby causing great waste. Therefore, the processing cost of enterprises is increased, higher requirements are provided for the operating skills of operators, the operation is troublesome during clamping, the processing efficiency is low, and the requirement for processing the outer circles of the thin-wall long aluminum pipes in batches cannot be met. Therefore, a tool with a simple structure, convenience in clamping and high machining efficiency is required to be designed for machining of the thin-wall long aluminum pipe fitting, so that the qualification rate of the product is improved, and the manufacturing cost is effectively reduced.
Disclosure of Invention
The invention aims to solve the technical problems in the background art, and provides a tool which is simple in structure and convenient to clamp, utilizes the tensile and compressive properties of a rubber material, is used for clamping and fixing a thin-wall long aluminum tube through the tool, so that the outer circle of the thin-wall long aluminum tube is machined, the deformation caused by clamping is reduced, the deformation problem caused by the release of internal stress in the machining process of the thin-wall long aluminum tube is solved, and the straightness and concentricity of the thin-wall long aluminum tube meet the use requirements.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: the utility model provides a frock for processing of long aluminum pipe excircle of thin wall, the frock is including mandrel, support ring, O shape rubber circle and nut be equipped with respectively in support ring and the O shape rubber circle with mandrel external diameter assorted through-hole, support ring and O shape rubber circle are equipped with a plurality ofly, and a plurality of support rings and O shape rubber circle are the state cover of staggering at interval respectively through corresponding through-hole in proper order and arrange in on the mandrel, and can follow the mandrel horizontal slip the both ends of mandrel are equipped with respectively along its axial with nut assorted external screw thread, the nut passes through the external screw thread spiro union on the mandrel.
Further, the tool for processing the outer circle of the thin-wall long aluminum pipe is characterized in that two support rings and an O-shaped rubber ring are sleeved on the mandrel, wherein the two support rings are positioned at two ends of the mandrel and are in contact connection with the nut; and the plurality of support rings positioned between the support rings at the two ends and the O-shaped rubber ring are mutually abutted, contacted and connected and are uniformly distributed on the mandrel in a staggered state.
Further, the tool for processing the outer circle of the thin-wall long aluminum pipe is characterized in that the outer diameters of the support ring and the O-shaped rubber ring are the same and are slightly smaller than the inner diameter of the thin-wall long aluminum pipe to be processed, and the length of the support ring is smaller than that of the O-shaped rubber ring.
Further, the tool for processing the outer circle of the thin-wall long aluminum pipe is characterized in that the support ring is made of stainless steel or hard plastic materials and is of a circular structure with the length of 5-10 cm, and the O-shaped rubber ring is made of hard elastic materials and is of a cylindrical structure with the length of 15-25 cm.
The invention also discloses a using method for machining the outer circle of the thin-wall long aluminum pipe by adopting the tool, the using method comprises the steps of tool assembly, workpiece clamping and nut screwing, and the using method specifically comprises the following steps:
(1) assembling a tool: firstly, selecting the number of support rings and O-shaped rubber rings to be used according to the length of a thin-wall long aluminum pipe to be processed, then sequentially installing the selected support rings and O-shaped rubber rings on a mandrel through corresponding through holes respectively, sleeving the support rings at two ends of the mandrel, finally screwing a nut on the mandrel, screwing the nut, and enabling the support rings to be in contact connection with the nut, thereby realizing the assembly of the tool;
(2) clamping a workpiece: the assembled tool penetrates through an inner hole of a thin-wall long aluminum pipe to be processed, so that a support ring and an O-shaped rubber ring on the mandrel are respectively contacted with the inner wall of the thin-wall long aluminum pipe, the nut is positioned on the outer side of the thin-wall long aluminum pipe, and meanwhile, corresponding clamping positions are reserved at two ends of the mandrel;
(3) screwing the nut: the clamped workpiece and the tool are coaxially arranged on a machine tool for processing an outer circle, the workpiece is fixed by adopting the existing method, finally, a nut which is screwed on the mandrel is screwed towards one side of the support ring by force along the axial direction of the mandrel, the O-shaped rubber ring is expanded and expanded under the action of external force, the expanded O-shaped rubber ring is used for pressing the inner wall of the thin-wall long aluminum pipe, the supporting coordination and the positioning action on the inner wall of the thin-wall long aluminum pipe are achieved, and finally, the outer circle of the thin-wall long aluminum pipe is processed according to the conventional machining method.
Further, according to the processing condition of the thin-wall long aluminum pipe, in the process of screwing the nut, the nut screwed on one end of the mandrel can be screwed down, or the nuts screwed on two ends of the mandrel can be simultaneously screwed down, as long as the inner wall of the thin-wall long aluminum pipe can be tightly pressed by the expanded O-shaped rubber ring; and after the machining is finished, the nut is reversely screwed, so that the tool can be disassembled.
Compared with the prior art, the tool for processing the outer circle of the thin-wall long aluminum pipe and the using method thereof have the beneficial effects that: the mandrel is provided with the support ring and the O-shaped rubber ring, the two ends of the mandrel are also provided with the nuts which are in threaded connection with the mandrel, the outer diameters of the support ring and the O-shaped rubber ring are slightly smaller than the inner diameter of the thin-wall long aluminum pipe to be processed, meanwhile, the length of the support ring is smaller than the length of the O-shaped rubber ring, the O-shaped rubber ring has the stretching and compressing performance, under the action of external force, the O-shaped rubber ring can be expanded and expanded by screwing the nuts, the inner wall of the thin-wall long aluminum pipe is tightly pressed by the expanded O-shaped rubber ring, the supporting matching and positioning effects on the inner wall of the thin-wall long aluminum pipe are achieved, and finally, the outer circle of the thin-wall long aluminum pipe is processed according to a.
Therefore, by adopting the tool, the O-shaped rubber ring has the stretchable and compressible performance, and the tool is used for clamping and fixing the thin-wall long aluminum pipe, so that the processing of the outer circle of the thin-wall long aluminum pipe is realized, the deformation caused by clamping is reduced, and the deformation problem caused by the release of the internal stress of the thin-wall long aluminum pipe in the processing process is solved, so that the straightness and the concentricity of the thin-wall long aluminum pipe meet the use requirements, the processing efficiency and the qualification rate of products can be effectively improved, the manufacturing cost can be reduced, the tool is simple in structure, convenient to clamp and strong in practicability, can realize the batch outer circle processing of the thin-wall long aluminum pipe, and is particularly suitable for popularization and application.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the workpiece clamping device of the invention.
Shown in the figure: 1-mandrel, 2-support ring, 3-O-shaped rubber ring, 4-nut and 5-workpiece.
Detailed Description
To further illustrate the concepts of the present invention, embodiments of the present invention will be further described with reference to the accompanying drawings in which:
as shown in fig. 1 and 2, the tool for processing the outer circle of the thin-wall long aluminum tube comprises a mandrel 1, a support ring 2, an O-shaped rubber ring 3 and a nut 4, wherein through holes matched with the outer diameter of the mandrel 1 are respectively formed in the support ring 2 and the O-shaped rubber ring 3, a plurality of support rings 2 and O-shaped rubber rings 3 are respectively arranged, the support rings 2 and the O-shaped rubber rings 3 are sequentially sleeved on the mandrel 1 in a staggered state at intervals through the corresponding through holes and can slide left and right along the mandrel 1, external threads matched with the nut 4 are respectively arranged at two ends of the mandrel 1 along the axial direction of the mandrel 1, and the nut 4 is screwed on the mandrel 1 through the external threads.
Further, the tool for processing the outer circle of the thin-wall long aluminum pipe is characterized in that a support ring 2 and an O-shaped rubber ring 3 are sleeved on the mandrel 1, wherein two support rings 2 are positioned at two ends of the mandrel 1 and are in contact connection with the nut 4; and the plurality of support rings 2 positioned between the support rings 2 at the two ends and the O-shaped rubber ring 3 are mutually abutted, contacted and connected and are uniformly distributed on the mandrel 1 in a staggered state.
Further, the tool for processing the outer circle of the thin-wall long aluminum pipe is characterized in that the outer diameters of the support ring 2 and the O-shaped rubber ring 3 are the same and are slightly smaller than the inner diameter of the thin-wall long aluminum pipe to be processed, and the length of the support ring 2 is smaller than that of the O-shaped rubber ring 3.
Further, the tool for processing the outer circle of the thin-wall long aluminum pipe is characterized in that the support ring 2 is made of stainless steel or hard plastic materials and is of a circular structure with the length of 5-10 cm, and the O-shaped rubber ring 3 is made of hard elastic materials and is of a cylindrical structure with the length of 15-25 cm.
When the tool disclosed by the invention is used for processing the outer circle of the thin-wall long aluminum pipe, the thin-wall long aluminum pipe needs to be clamped and positioned firstly, the using method mainly comprises the steps of tool assembly, workpiece clamping and nut screwing, and the tool specifically comprises the following steps:
(1) assembling a tool: firstly, selecting the number of support rings 2 and O-shaped rubber rings 3 to be used according to the length of a workpiece 5 to be processed, namely the length of a thin-wall long aluminum tube, then sequentially installing the selected support rings 2 and O-shaped rubber rings 3 on a mandrel 1 through corresponding through holes respectively, sleeving the support rings 2 at two ends of the mandrel 1, finally screwing a nut 4 on the mandrel 1, screwing the nut 4, and enabling the support rings 2 to be in contact connection with the nut 4, thereby realizing the assembly of the tool;
(2) clamping a workpiece: the assembled tool penetrates through an inner hole of a thin-wall long aluminum pipe to be processed, so that a support ring 2 and an O-shaped rubber ring 3 on the mandrel 1 are respectively contacted with the inner wall of the thin-wall long aluminum pipe, the nut 4 is positioned on the outer side of the thin-wall long aluminum pipe, and meanwhile, corresponding clamping positions are reserved at two ends of the mandrel 1;
(3) screwing the nut: the clamped workpiece 5 and the tool are coaxially arranged on a machine tool for processing an outer circle, the workpiece 5 is fixed by adopting the existing method, finally, a nut 4 which is screwed on the mandrel 1 is forcibly screwed towards one side of the support ring 2 along the axial direction of the mandrel 1, the O-shaped rubber ring 3 is expanded and expanded under the action of external force, the expanded O-shaped rubber ring 3 is used for pressing the inner wall of the thin-wall long aluminum pipe, the supporting coordination and the positioning action on the inner wall of the thin-wall long aluminum pipe are achieved, and finally, the outer circle of the thin-wall long aluminum pipe is processed according to the conventional machining method. In the process of screwing the nut, the nut 4 screwed at one end of the mandrel 1 can be screwed down, or the nuts 4 screwed at two ends of the mandrel 1 can be simultaneously screwed down, as long as the inner wall of the thin-wall long aluminum pipe can be tightly pressed by the expanded O-shaped rubber ring 3; and after the machining is finished, the nut 4 is screwed reversely to realize the disassembly of the tool.
In the practical application process, by adopting the tool, the mandrel 1 is provided with the support ring 2 and the O-shaped rubber ring 3, the two ends of the mandrel 1 are also provided with the nuts 4 which are in threaded connection with the mandrel 1, the outer diameters of the support ring 2 and the O-shaped rubber ring 3 are slightly smaller than the inner diameter of a workpiece 5 to be processed, the length of the support ring 2 is smaller than the length of the O-shaped rubber ring 3, the O-shaped rubber ring 3 can be expanded and expanded under the action of external force by screwing the nut 4, the expanded O-shaped rubber ring 3 is used for pressing the inner wall of the thin-wall long aluminum pipe, so that the supporting matching and positioning effects on the inner wall of the thin-wall long aluminum pipe are achieved, and finally, the outer circle of the thin-wall long aluminum pipe can be processed according to a conventional machining method.
In conclusion, the tool is used for clamping and fixing the thin-wall long aluminum pipe by utilizing the stretchable and compressible performance of the O-shaped rubber ring, so that the processing of the outer circle of the thin-wall long aluminum pipe is realized, the deformation caused by clamping is reduced, the deformation problem caused by internal stress release in the processing process of the thin-wall long aluminum pipe is solved, the straightness and concentricity of the thin-wall long aluminum pipe meet the use requirements, the processing efficiency and the qualification rate of products can be effectively improved, the manufacturing cost can be reduced, the tool is simple in structure, convenient to clamp and strong in practicability, the large-batch outer circle processing of the thin-wall long aluminum pipe can be realized, and the tool is particularly suitable for popularization and application.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art, and any modifications, equivalents, improvements, etc. made by using the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a frock that is used for long aluminum pipe excircle of thin wall to process which characterized in that: the tool comprises a mandrel (1), a support ring (2), an O-shaped rubber ring (3) and a nut (4), wherein through holes matched with the outer diameter of the mandrel (1) are formed in the support ring (2) and the O-shaped rubber ring (3) respectively, the support ring (2) and the O-shaped rubber ring (3) are provided with a plurality of through holes, the support ring (2) and the O-shaped rubber ring (3) are sequentially sleeved on the mandrel (1) in a staggered state at intervals through the corresponding through holes and can slide left and right along the mandrel (1), external threads matched with the nut (4) are arranged at two ends of the mandrel (1) respectively along the axial direction of the two ends of the mandrel (1), and the nut (4) is in threaded connection with the mandrel (1) through the external threads.
2. The tool for processing the outer circle of the thin-walled long aluminum pipe as claimed in claim 1, wherein the tool comprises: the support rings (2) and the O-shaped rubber rings (3) are sleeved on the mandrel (1), wherein two support rings (2) are positioned at two ends of the mandrel (1) and are in contact connection with the nut (4); and the plurality of support rings (2) positioned between the support rings (2) at the two ends and the O-shaped rubber ring (3) are mutually abutted, contacted and connected and are uniformly distributed on the mandrel (1) in a staggered state.
3. The tool for processing the outer circle of the thin-walled long aluminum pipe as claimed in claim 1, wherein the tool comprises: the outer diameters of the support ring (2) and the O-shaped rubber ring (3) are the same and are slightly smaller than the inner diameter of a thin-wall long aluminum pipe to be processed, and the length of the support ring (2) is smaller than that of the O-shaped rubber ring (3).
4. The tool for processing the outer circle of the thin-walled long aluminum pipe as claimed in claim 3, wherein the tool comprises: the support ring (2) is made of stainless steel or hard plastic materials and is of a circular structure with the length of 5-10 cm, and the O-shaped rubber ring (3) is made of hard elastic materials and is of a cylindrical structure with the length of 15-25 cm.
5. A use method for processing the outer circle of a thin-wall long aluminum pipe by using the tool as claimed in any one of claims 1 to 4, is characterized in that: the using method comprises the steps of tool assembly, workpiece clamping and nut screwing, and specifically comprises the following steps:
(1) assembling a tool: firstly, selecting the number of support rings (2) and O-shaped rubber rings (3) to be used according to the length of a thin-wall long aluminum tube to be processed, then sequentially installing the selected support rings (2) and O-shaped rubber rings (3) on a mandrel (1) through corresponding through holes respectively, sleeving the support rings (2) at two ends of the mandrel (1), finally screwing a nut (4) on the mandrel (1), screwing the nut (4) tightly, and enabling the support rings (2) to be in contact connection with the nut (4), thereby realizing the assembly of the tool;
(2) clamping a workpiece: the assembled tool penetrates through an inner hole of a thin-wall long aluminum pipe to be processed, so that a support ring (2) and an O-shaped rubber ring (3) on a mandrel (1) are respectively contacted with the inner wall of the thin-wall long aluminum pipe, a nut (4) is positioned on the outer side of the thin-wall long aluminum pipe, and corresponding clamping positions are reserved at two ends of the mandrel (1);
(3) screwing the nut: the clamped workpiece and the tool are coaxially arranged on a machine tool for processing an outer circle, the workpiece is fixed by adopting the existing method, finally, a nut (4) which is screwed on the mandrel (1) is screwed down towards one side of the support ring (2) by force along the axial direction of the mandrel (1), the O-shaped rubber ring (3) is expanded and expanded under the action of external force, the expanded O-shaped rubber ring (3) is utilized to press the inner wall of the thin-wall long aluminum pipe, the supporting coordination and the positioning action on the inner wall of the thin-wall long aluminum pipe are achieved, and finally, the outer circle of the thin-wall long aluminum pipe is processed according to the conventional machining method.
6. Use according to claim 5, characterized in that: in the process of screwing the nut in the step (3), the nut (4) screwed on one end of the mandrel (1) can be screwed down, or the nuts (4) screwed on two ends of the mandrel (1) can be simultaneously screwed down; and after the machining is finished, the nut (4) is reversely screwed, so that the tool can be disassembled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110010365.2A CN112692318A (en) | 2021-01-06 | 2021-01-06 | Tool for machining outer circle of thin-wall long aluminum pipe and using method of tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110010365.2A CN112692318A (en) | 2021-01-06 | 2021-01-06 | Tool for machining outer circle of thin-wall long aluminum pipe and using method of tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112692318A true CN112692318A (en) | 2021-04-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110010365.2A Pending CN112692318A (en) | 2021-01-06 | 2021-01-06 | Tool for machining outer circle of thin-wall long aluminum pipe and using method of tool |
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| Country | Link |
|---|---|
| CN (1) | CN112692318A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114178568A (en) * | 2021-12-17 | 2022-03-15 | 洛阳科品实业有限公司 | Quick expansion device for thin-wall pipe |
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| GB748486A (en) * | 1952-06-17 | 1956-05-02 | Cinema Television Ltd | Improvements in or relating to methods of working glass tubing and mandrels for use in such methods |
| JP2001322015A (en) * | 2000-05-15 | 2001-11-20 | Nikon Corp | Holding method in working thin cylindrical member |
| CN104439358A (en) * | 2013-09-12 | 2015-03-25 | 西安志越机电科技有限公司 | Thin-wall round pipe turning fixture |
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| CN114178568A (en) * | 2021-12-17 | 2022-03-15 | 洛阳科品实业有限公司 | Quick expansion device for thin-wall pipe |
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