CN202667701U - Inner expansion tool for machining - Google Patents
Inner expansion tool for machining Download PDFInfo
- Publication number
- CN202667701U CN202667701U CN 201220196983 CN201220196983U CN202667701U CN 202667701 U CN202667701 U CN 202667701U CN 201220196983 CN201220196983 CN 201220196983 CN 201220196983 U CN201220196983 U CN 201220196983U CN 202667701 U CN202667701 U CN 202667701U
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- China
- Prior art keywords
- expansion tool
- main body
- machining
- tool main
- mandrel
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- Expired - Lifetime
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Abstract
Provided is an inner expansion tool for machining, which belongs to the technical field of tools for machining. The inner expansion tool for machining comprises an expansion tool body, a central spindle and a nut. The expansion tool body is composed of at least three parts which can be combined into a cylindrical structure whose outer circumferential face cooperates with the inner circumferential face of a part to be processed. The central spindle is coaxial to the expansion tool body and is disposed in the expansion tool body. Extending ends are fixed by a nut, and axle centers of two ends abut against a machine tool. The inner expansion tool for machining is advantageous in that contact face of an inner wall is large and clamping force is evenly-distributed; clamping stress, lathing and grinding radial stress and deformation are reduced, and roundness is ensured; the coaxiality of an inner hole and an outer circle of the expansion tool body can be guaranteed; end faces of parts can undergo lathing and grinding at the same time, and verticality of the end face can be ensured; the inner expansion tool is suitable for the machining of parts in the shape of thin-wall type pipes and step pipes of opening parts.
Description
Technical field
The invention belongs to machining utensil technical field, particularly relate to a kind of machined with interior swollen tool.
Technical background
Machining high-precision high speed rotary sleeve part, the roughness of inside and outside circle, dimensional accuracy, circularity and axiality require high, and part car or mill tubular for this type of thin wall, the oral area stepped form are processed, and existing frock clamp can't satisfy the processing of this type of part.
Summary of the invention
For the technical problem of above-mentioned existence, the purpose of this invention is to provide a kind of machined with interior swollen tool, it is applicable to, and thin wall is tubular, the processing of oral area step pipe-shaped parts.
To achieve these goals, the present invention adopts following technical scheme:
A kind of machined is with interior swollen tool, comprise swollen tool main body, mandrel, nut, described swollen tool main body is made of at least three lobes, the cylindrical structural that matches with part inner peripheral surface to be processed for outer peripheral face after the combination, described mandrel is coaxial with swollen tool main body, and place in the swollen tool main body, external part is fixed by nut, and its axle center, two ends is mounted on the lathe.
Described swollen tool main body adjacent petals interblock has the gap.Described swollen tool main body is with internal taper hole, and mandrel is the structure that matches with the tool main body internal taper hole that expands, and mandrel is coaxial with swollen tool main body.Be provided with undercut between described mandrel thread section and mandrel main body.
The invention has the beneficial effects as follows:
Inwall contact-making surface of the present invention is large, and clamping power is evenly distributed, and reduces clamping stress car, grinding radial stress and distortion and guarantees out of roundness.Guarantee swollen tool main body endoporus, outer circles.Car, grinding part end face guarantee end face squareness simultaneously.Be applicable to that thin wall is tubular, the processing of oral area step pipe-shaped parts.
Description of drawings
Fig. 1 is the present invention's thin-walled parts structural representation to be processed.
Fig. 2 is mounting structure schematic diagram of the present invention.
Fig. 3 is the structural representation of clamp body among Fig. 2.
Fig. 4 is the left view of Fig. 3.
Among the figure: 1. tool main body, 2. mandrel, 3. nut, 4. undercut, 5. gap, 6. center hole, 7. part expand;
D1 is swollen tool main body cylindrical, and d1 manufactures with the inner bore of part footpath, and D2, D3 are the ladder external diameter at swollen tool main body two ends, is slightly less than inner diameter d 2, the d3 at part two ends, and taper hole is coaxial with cylindrical, and d is the adjacent petals block gap.
C2 is the mandrel conical degree of conical surface, manufactures with swollen tool main body endoporus conical degree of conical surface C1, guarantees coaxially with two ends center hole 6, adds man-hours two center holes to top processing.
The specific embodiment
The present invention is described in detail with embodiment with reference to the accompanying drawings for the below.
Embodiment 1: the present invention is applicable to that thin wall is tubular, the processing of oral area step pipe-shaped parts, comprise swollen tool main body 1, mandrel 2, nut 3, described swollen tool main body 1 consists of (this example is for being divided into three lobes along even circumferential) by at least three lobes, the cylindrical structural that matches with part inner peripheral surface to be processed for outer peripheral face after the combination, inner with internal taper hole, described mandrel 2 taper holes are coaxial with swollen tool main body 1 cylindrical, be the structure that matches with swollen tool main body 1 internal taper hole, mandrel 2 places in the swollen tool main body 1, external part is fixing by nut 3, and its axle center, two ends is mounted on the lathe.Described swollen tool main body 1 adjacent petals interblock has gap 5, and described gap 5 is by inner bore of part to be processed, the poor decision of oral area stepped diameters.
During installation, the swollen tool main body 1 of flap conveniently places in the part to be processed; Then, mandrel 2 is penetrated in the swollen tool main body 1, because the existence in gap 5, the swollen tool main body 1 of flap extends out to matching with part inner peripheral surface to be processed, reaches the purpose that supports part to be processed again; At last, mandrel 2 two ends center holes 6 are mounted on the lathe fixing.Be provided with undercut 4 between the thread segment that described mandrel 2 stretches out and mandrel 2 main bodys, make things convenient for machined.
Embodiment 2: this example is with the difference of embodiment 1: the swollen tool main body of this example is divided into pintongs along even circumferential, can satisfy the processing parts requirement equally.
Claims (4)
1. a machined is with interior swollen tool, it is characterized in that: comprise swollen tool main body, mandrel, nut, described swollen tool main body is made of at least three lobes, the cylindrical structural that matches with part inner peripheral surface to be processed for outer peripheral face after the combination, described mandrel is coaxial with swollen tool main body, and place in the swollen tool main body, external part is fixed by nut, and its axle center, two ends is mounted on the lathe.
2. machined according to claim 1 is with interior swollen tool, and it is characterized in that: described swollen tool main body adjacent petals interblock has the gap.
3. machined according to claim 1 is characterized in that with interior swollen tool: described swollen tool main body is with internal taper hole, the structure of mandrel for matching with the tool main body internal taper hole that expands, and mandrel is coaxial with swollen tool main body.
4. machined according to claim 1 is characterized in that: be provided with undercut between described mandrel thread section and mandrel main body with interior swollen tool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220196983 CN202667701U (en) | 2012-05-03 | 2012-05-03 | Inner expansion tool for machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220196983 CN202667701U (en) | 2012-05-03 | 2012-05-03 | Inner expansion tool for machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202667701U true CN202667701U (en) | 2013-01-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220196983 Expired - Lifetime CN202667701U (en) | 2012-05-03 | 2012-05-03 | Inner expansion tool for machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202667701U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102814519A (en) * | 2012-05-03 | 2012-12-12 | 沈阳富创精密设备有限公司 | Internal expansion tool for mechanical processing |
| CN105043262A (en) * | 2015-09-02 | 2015-11-11 | 哈尔滨工业大学 | Threaded hole component measuring and sorting device based on embedded and machine vision |
| CN109351998A (en) * | 2018-11-20 | 2019-02-19 | 中国航发贵州黎阳航空动力有限公司 | A kind of taper for thin-walled tubular piece processing rises state plug |
-
2012
- 2012-05-03 CN CN 201220196983 patent/CN202667701U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102814519A (en) * | 2012-05-03 | 2012-12-12 | 沈阳富创精密设备有限公司 | Internal expansion tool for mechanical processing |
| CN105043262A (en) * | 2015-09-02 | 2015-11-11 | 哈尔滨工业大学 | Threaded hole component measuring and sorting device based on embedded and machine vision |
| CN109351998A (en) * | 2018-11-20 | 2019-02-19 | 中国航发贵州黎阳航空动力有限公司 | A kind of taper for thin-walled tubular piece processing rises state plug |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No.18a-1, Feiyun Road, Hunnan District, Shenyang City, Liaoning Province Patentee after: Shenyang fuchuang precision equipment Co.,Ltd. Address before: 110168 no.18a-1, Feiyun Road, Hunnan New District, Shenyang City, Liaoning Province Patentee before: Shenyang Fortune Precision Equipment Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130116 |