CN211805035U - Special processing frock of thin wall pipe aluminum component and steel component - Google Patents
Special processing frock of thin wall pipe aluminum component and steel component Download PDFInfo
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- CN211805035U CN211805035U CN202020079835.1U CN202020079835U CN211805035U CN 211805035 U CN211805035 U CN 211805035U CN 202020079835 U CN202020079835 U CN 202020079835U CN 211805035 U CN211805035 U CN 211805035U
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Abstract
The utility model belongs to a special processing frock of thin wall pipe aluminum component and steel component. The positioning device comprises a mandrel, wherein two ends of the mandrel are respectively provided with a mandrel hole, one side of the mandrel is provided with an external thread, the external thread is matched with a positioning nut, and the outer circumference of the positioning nut is matched with the outer circumference of a thin-wall circular tube; the other side of the mandrel is provided with a thin-wall circular tube contact part, and the mandrel on the outer side of the thin-wall circular tube contact part is provided with a plug nut. The fixture has the advantages of simple structure, reasonable design, suitability for processing 1-3mm aluminum parts and steel parts, capability of ensuring that the dimensional tolerance of a drawing is within 0.05mm and the roundness is within 0.02mm, high yield up to 99%, capability of detaching products from the fixture and low possibility of deformation of the products.
Description
Technical Field
The utility model belongs to the technical field of thin-walled circular tube aluminum component and steel component are made, concretely relates to thin-walled circular tube aluminum component and steel component special processing frock.
Background
Thin-wall pipe aluminum parts and steel parts are indispensable parts in the mechanical manufacturing industry, are widely applied to various mechanical equipment, and have wide application range, compact structure and light weight. The thin-wall part with a relatively complex structure has very high processing difficulty, and the part is easy to deform in processing due to low rigidity, weak strength and large amount of cutting heat generated by vibration, so that the size precision and the shape precision of the workpiece are influenced. At present, when an existing tool for machining thin-wall aluminum parts and steel parts (1-3 mm) with complex structures is used, the problems of low yield and easy deformation of the machined products are solved, the requirements that the drawing size tolerance of the aluminum parts or the steel parts is within 0.05mm and the roundness is within 0.02mm cannot be met, and the machined products are not easy to be detached from the tool and are deformed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the defect among the prior art, and provide a simple structure, reasonable in design, can be applicable to the processing of 1-3mm aluminium parts and steel part, it can guarantee within 0.05mm of picture scaling-off tolerance, circularity within 0.02mm, make the yields can reach 99% and the product can be followed the frock lift off with product non-deformable's special processing frock of thin wall pipe aluminium parts and steel part.
The purpose of the utility model is realized like this: the positioning device comprises a mandrel, wherein two ends of the mandrel are respectively provided with a mandrel hole, one side of the mandrel is provided with an external thread, the external thread is matched with a positioning nut, and the outer circumference of the positioning nut is matched with the outer circumference of a thin-wall circular tube; the other side of the mandrel is provided with a thin-wall circular tube contact part, and the mandrel on the outer side of the thin-wall circular tube contact part is provided with a plug nut.
Preferably, the outer mandrel between the contact part of the thin-wall circular tube and the plug nut is sleeved with a conical plug.
Preferably, the thin-walled circular tube contact part is spherical and is connected with the outer mandrel.
Preferably, the sphericity of the spherical surface and the coaxiality of the axle center holes at the two ends are less than or equal to 0.02 mm.
Preferably, the coaxiality of the two end axle center holes is less than or equal to 0.02 mm.
Preferably, the coaxiality of the outer diameter of the external thread and the axle center holes at two ends is less than or equal to 0.02 mm.
Preferably, the shaft center hole at one end of the mandrel is connected with a lathe chuck center, and the other end of the mandrel is connected with a lathe tailstock center.
Preferably, the inside of the mandrel is of a cavity structure, and the end part of one side of the mandrel is connected with the mandrel plug through insert welding.
Preferably, an axial hole is formed in the outer side end face of the mandrel plug.
Preferably, the material of the thin-walled circular tube is aluminum or steel, and the thickness of the thin-walled circular tube is 1-3 mm.
According to the special processing tool for the thin-wall circular tube aluminum parts and the thin-wall circular tube steel parts, the two ends of the mandrel are provided with the mandrel holes, and double-tip positioning is adopted, so that the special processing tool has the characteristics of accurate positioning and high precision, and has good repeated installation precision; one side of the mandrel is in threaded connection with the positioning nut through an external thread, the thread has an automatic alignment function and can ensure the coaxiality of the product, meanwhile, the external thread is connected with the positioning nut, the end face of the positioning nut is directly contacted with the inner end face of one side of the product, the positioning nut can move to ensure that the end face of the product is contacted with the positioning nut and the right end face of the inner hole of the product is contacted with the cambered surface of the mandrel, and the positioning precision of the product; the mandrel is not contacted with the inner wall of the product, so that the installation error caused by the direct connection of the product and the mandrel is eliminated; meanwhile, the mandrel adopts a hollow design, so that the effects of reducing weight and improving structural rigidity can be achieved; the fixture has the advantages of simple structure, reasonable design, suitability for processing 1-3mm aluminum parts and steel parts, capability of ensuring that the dimensional tolerance of a drawing is within 0.05mm and the roundness is within 0.02mm, high yield up to 99%, capability of detaching products from the fixture and low possibility of deformation of the products.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is another schematic structural diagram of the present invention.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings, in which like reference numerals refer to like parts in the drawings. For the sake of simplicity, only the parts related to the utility model are schematically shown in the drawings, and they do not represent the actual structure as a product.
As shown in fig. 1 and 2, the utility model relates to a special processing tool for thin-wall circular tube aluminum and steel parts, which comprises a mandrel 1, wherein two ends of the mandrel 1 are respectively provided with a mandrel hole 2, one side of the mandrel 1 is provided with an external thread, the external thread is matched with a positioning nut 3, and the outer circumference of the positioning nut 3 is matched with the outer circumference of the thin-wall circular tube; the other side of the mandrel 1 is provided with a thin-wall circular tube contact part 4, and the mandrel 1 at the outer side of the thin-wall circular tube contact part 4 is provided with a plug nut 6. The utility model has the advantages that the two ends of the mandrel 1 are provided with the mandrel holes 2, and the double-top positioning is adopted, so that the utility model has the characteristics of accurate positioning and high precision, and has good repeated installation precision; one side of the mandrel 1 is in threaded connection with the positioning nut 3 through an external thread, the external thread has an automatic alignment function and can ensure the coaxiality of products, meanwhile, the external thread is connected with the positioning nut 3, the end face of the positioning nut 3 is directly contacted with the inner end face of one side of the product, the positioning nut 3 can move to determine that the end face of the product is contacted with the positioning nut 3 and the right end face of the inner hole of the product is contacted with the cambered surface of the mandrel 1, and the positioning precision of the products; the mandrel 1 is not contacted with the inner wall of the product, so that the installation error caused by the direct connection of the product and the mandrel is eliminated; and the other side of the product is limited by the plug nut 6, and when the product is required to be disassembled after being processed, the product can be easily taken out by directly disassembling the plug nut 6.
Furthermore, a taper plug 5 is sleeved on the outer mandrel 1 between the thin-wall circular tube contact part 4 and the plug nut 6. The utility model is suitable for a processing of thin wall pipe aluminum component and steel component, the rigidity is lower, intensity is weaker for the steel component for the aluminum component, and the tip of pipe aluminum component is indeformable for guaranteeing the thin wall, consequently is provided with awl stifled 5, and the stifled 5 suit of awl is on dabber 1 to fix awl stifled 5 through plug nut 6, thereby realize the location to the product, reduce the deflection of aluminum component product.
Furthermore, the thin-wall circular tube contact part 4 is a spherical surface and is connected with the outer mandrel 1. The utility model provides a thin wall pipe contact site 4 is the sphere, can increase area of contact after it contacts with the product, and effectively prevents that it from taking place to warp.
Furthermore, the sphericity of the spherical surface and the coaxiality of the axle center holes 2 at the two ends are less than or equal to 0.02 mm.
Furthermore, the coaxiality of the two end shaft center holes 2 is less than or equal to 0.02 mm.
Further, the coaxiality of the outer diameter of the external thread and the shaft center holes 2 at the two ends is less than or equal to 0.02 mm.
Further, a shaft center hole 2 at one end of the mandrel 1 is connected with a lathe chuck center 8, and the other end of the mandrel 1 is connected with a lathe tailstock center 9. Through the design, the precision of the product can be guaranteed, and repeated installation can be realized, so that the aim of batch production of the product is fulfilled.
Further, the inside of the mandrel 1 is of a cavity structure, and the end part of one side of the mandrel 1 is connected with the mandrel plug 7 through insert welding. The utility model discloses in the material of dabber 1 is the steel, can effectively reduce the weight of dabber 1 through its inside cavity structures to improve its rigidity.
Further, an axial hole 2 is arranged on the outer side end face of the mandrel plug 7.
Furthermore, the thin-wall circular tube is made of aluminum or steel, and the thickness of the thin-wall circular tube is 1-3 mm.
The utility model provides a processing tool for processing thin-wall round tube aluminum or steel, when the thin-wall round tube aluminum is needed to be processed, the utility model is taken down between a lathe chuck top 8 and a lathe tailstock top 9, and a taper plug 5 and a plug nut 6 on the other side of a mandrel 1 are taken down, a product to be processed is sleeved outside the mandrel 1, one side of the product to be processed is contacted with a positioning nut 3, and the other side is contacted with a contact part 4 of the thin-wall round tube; and then sequentially installing the conical plug 5 and the plug nut 6 on the other side of the mandrel 1, placing the conical plug 5 and the plug nut 6 between a lathe chuck tip 8 and a lathe tailstock tip 9, processing a product to be processed, taking down the workpiece from between the lathe chuck tip 8 and the lathe tailstock tip 9 after the processing is finished, taking down the conical plug 5 and the plug nut 6 on the other side of the mandrel 1, and taking out the processed product from the mandrel 1. When a thin-wall circular pipe steel piece needs to be machined, the machining tool of the aluminum piece can be adopted, and meanwhile, a mode without the conical plug 5 can also be adopted, and when the machining tool of the aluminum piece is adopted, the method is consistent with the machining method of the thin-wall circular pipe aluminum piece; when the taper plug 5 is not arranged, the processing method comprises the following steps of taking down the utility model between a lathe chuck top 8 and a lathe tailstock top 9, taking down a plug nut 6 at the other side of the mandrel 1, sleeving a product to be processed outside the mandrel 1, enabling one side of the product to be processed to be in contact with the positioning nut 3 and the other side of the product to be processed to be in contact with the thin-wall circular tube contact part 4; and then installing the plug nut 6 at the other side of the mandrel 1, placing the plug nut between a lathe chuck tip 8 and a lathe tailstock tip 9, processing a product to be processed, taking down the workpiece from the space between the lathe chuck tip 8 and the lathe tailstock tip 9 after the processing is finished, taking down the plug nut 6 at the other side of the mandrel 1, and taking out the processed product from the mandrel 1. Above-mentioned structural style has the characteristics that the location is accurate and the precision is high, and possess good repeated installation accuracy, can alleviate the weight of dabber simultaneously, reduce workman's intensity of labour, improve the rigidity effect of dabber structure, the middle part of dabber does not contact with the product at the in-process of processing, can effectively eliminate the installation error because of product and dabber direct link to each other and produce, the product of processing through this frock simultaneously can guarantee to draw the scaling-off tolerance within 0.05mm, the circularity is within 0.02mm, make the yields can reach 99% and the product can be followed the frock and lift off and product non-deformable's characteristics.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected," "connecting," and the like are to be construed broadly, and may be, for example, fixedly connected, integrally connected, or detachably connected; or communication between the interior of the two elements; they may be directly connected or indirectly connected through an intermediate, and those skilled in the art can understand the specific meaning of the above terms in the present invention according to the specific situation. The above examples are only specific illustrations of feasible embodiments of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent embodiments, modifications and alterations without departing from the technical spirit of the present invention are intended to be included in the scope of the present invention.
Claims (10)
1. The utility model provides a special processing frock of thin wall pipe aluminum component and steel component which characterized in that: the special processing tool comprises a mandrel (1), wherein two ends of the mandrel (1) are respectively provided with a mandrel hole (2), one side of the mandrel (1) is provided with an external thread, the external thread is matched with a positioning nut (3), and the outer circumference of the positioning nut (3) is matched with the outer circumferential surface of a thin-walled circular tube; the other side of the mandrel (1) is provided with a thin-wall circular tube contact part (4), and the mandrel (1) at the outer side of the thin-wall circular tube contact part (4) is provided with a plug nut (6).
2. The special processing tool for the thin-wall round tube aluminum and steel parts as claimed in claim 1, wherein the tool comprises: the outer mandrel (1) between the thin-wall circular tube contact part (4) and the plug nut (6) is sleeved with a conical plug (5).
3. The special processing tool for the thin-wall round tube aluminum and steel parts as claimed in claim 1, wherein the tool comprises: the thin-wall circular tube contact part (4) is a spherical surface and is connected with the outer side mandrel (1).
4. The special processing tool for the thin-wall round tube aluminum and steel parts as claimed in claim 3, wherein the tool comprises: the sphericity of the sphere and the coaxiality of the axle center holes (2) at the two ends are less than or equal to 0.02 mm.
5. The special processing tool for the thin-wall round tube aluminum and steel parts as claimed in claim 4, wherein the tool comprises: the coaxiality of the two end shaft center holes (2) is less than or equal to 0.02 mm.
6. The special processing tool for the thin-wall round tube aluminum and steel parts as claimed in claim 1, wherein the tool comprises: the coaxiality of the outer diameter of the external thread and the axle center holes (2) at the two ends is less than or equal to 0.02 mm.
7. The special processing tool for the thin-wall round tube aluminum and steel parts as claimed in claim 1, wherein the tool comprises: the end part of one side of the mandrel (1) is provided with a mandrel hole (2) which is connected with a lathe chuck center (8), and the end part of the other side of the mandrel (1) is connected with a lathe tailstock center (9).
8. The special processing tool for the thin-wall round tube aluminum and steel parts as claimed in claim 1, wherein the tool comprises: the inner part of the mandrel (1) is of a cavity structure, and the end part of one side of the mandrel (1) is connected with the mandrel plug (7) through insert welding.
9. The special processing tool for the thin-wall round tube aluminum and steel parts as claimed in claim 8, wherein the tool comprises: and the outer side end face of the mandrel plug (7) is provided with a mandrel hole (2).
10. The special processing tool for the thin-wall round tube aluminum and steel parts as claimed in claim 1, wherein the tool comprises: the thin-wall circular tube is made of aluminum or steel, and the thickness of the thin-wall circular tube is 1-3 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020079835.1U CN211805035U (en) | 2020-01-14 | 2020-01-14 | Special processing frock of thin wall pipe aluminum component and steel component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020079835.1U CN211805035U (en) | 2020-01-14 | 2020-01-14 | Special processing frock of thin wall pipe aluminum component and steel component |
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| Publication Number | Publication Date |
|---|---|
| CN211805035U true CN211805035U (en) | 2020-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020079835.1U Active CN211805035U (en) | 2020-01-14 | 2020-01-14 | Special processing frock of thin wall pipe aluminum component and steel component |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112658763A (en) * | 2020-12-30 | 2021-04-16 | 四川明日宇航工业有限责任公司 | Machining method for thin-wall long pipe casting |
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2020
- 2020-01-14 CN CN202020079835.1U patent/CN211805035U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112658763A (en) * | 2020-12-30 | 2021-04-16 | 四川明日宇航工业有限责任公司 | Machining method for thin-wall long pipe casting |
| CN112658763B (en) * | 2020-12-30 | 2022-10-18 | 四川明日宇航工业有限责任公司 | Machining method for thin-wall long pipe casting |
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