CN106001655A - Lathe self-centering fixture for machining small-pore-diameter thin workpiece - Google Patents
Lathe self-centering fixture for machining small-pore-diameter thin workpiece Download PDFInfo
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- CN106001655A CN106001655A CN201610225610.0A CN201610225610A CN106001655A CN 106001655 A CN106001655 A CN 106001655A CN 201610225610 A CN201610225610 A CN 201610225610A CN 106001655 A CN106001655 A CN 106001655A
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- lathe
- centering
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- 238000003754 machining Methods 0.000 title 1
- 238000012545 processing Methods 0.000 claims abstract description 25
- 238000013461 design Methods 0.000 abstract description 5
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Classifications
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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
- B23B31/02—Chucks
- B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
- B23B31/103—Retention by pivotal elements, e.g. catches, pawls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B23/00—Tailstocks; Centres
- B23B23/04—Live centres
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gripping On Spindles (AREA)
Abstract
本发明公开了一种加工小孔径薄形工件的车床自定心夹具，它包括车床主轴(1)，安装在车床主轴(1)上的卡盘(2)，安装在卡盘(2)上的碗形夹板(3)，与碗形夹板(3)配套，用于加紧工件的定心夹板(4)；安装在定心夹板(4)一侧，用于顶紧定心夹板(4)的车床尾座活动顶尖(5)。本发明提供的加工小孔径薄形工件的车床自定心夹具，结构设计合理，操作方便，夹持稳定可靠，可防止工件变形，加工出来的工件质量高，实用性强。
The invention discloses a lathe self-centering fixture for processing small-diameter thin workpieces, which comprises a lathe main shaft (1), a chuck (2) installed on the lathe main shaft (1), and a chuck (2) installed on the lathe main shaft (1). The bowl-shaped splint (3), matched with the bowl-shaped splint (3), is used to tighten the centering splint (4) of the workpiece; it is installed on the side of the centering splint (4), and is used to tighten the centering splint (4) The movable top (5) of the tailstock of the lathe. The lathe self-centering fixture for processing small-diameter thin workpieces provided by the invention has reasonable structural design, convenient operation, stable and reliable clamping, can prevent deformation of workpieces, and has high quality of processed workpieces and strong practicability.
Description
技术领域technical field
本发明涉及一种机械装置，具体涉及一种加工小孔径薄形工件的车床自定心夹具。The invention relates to a mechanical device, in particular to a lathe self-centering fixture for processing thin workpieces with small apertures.
背景技术Background technique
小孔径薄形工件在机械领域被广泛应用，该小孔径薄形工件的加工需要精密的加工夹具，由于现有技术夹具结构设计不够合理，夹持不够稳定，车床在加工薄形工件的外径时，易导致工件变形，加工出来的产品质量较差，合格率低。Small-diameter thin workpieces are widely used in the mechanical field. The processing of this small-aperture thin workpiece requires precise processing fixtures. Due to the unreasonable design of the fixture structure in the prior art, the clamping is not stable enough, and the outer diameter of the lathe when processing thin workpieces When it is used, it is easy to cause deformation of the workpiece, the quality of the processed product is poor, and the pass rate is low.
因此，很有必要在现有技术的基础上，研究开发一种结构设计合理，使用方便，夹持稳定可靠，可防止工件变形，加工出来的工件质量高的小孔径薄形工件的车床自定心夹具。Therefore, it is very necessary to research and develop a lathe with reasonable structure design, convenient use, stable and reliable clamping, which can prevent the deformation of the workpiece and the high quality of the processed workpiece. Heart fixture.
发明内容Contents of the invention
发明目的：本发明的目的是为了解决现有技术的不足，提供一种结构设计合理，使用方便，夹持稳定可靠，可防止工件变形，加工出来的工件质量高的小孔径薄形工件的车床自定心夹具。Purpose of the invention: The purpose of the present invention is to solve the deficiencies of the prior art and provide a lathe with a reasonable structure design, convenient use, stable and reliable clamping, preventing deformation of the workpiece, and high-quality processed workpieces with small apertures and thin workpieces. Self-centering fixture.
技术方案：为了实现本发明的目的，本发明采用的技术方案为：Technical scheme: in order to realize the purpose of the present invention, the technical scheme adopted in the present invention is:
一种加工小孔径薄形工件的车床自定心夹具，它包括车床主轴，安装在车床主轴上的卡盘，安装在卡盘上的碗形夹板，与碗形夹板配套，用于加紧工件的定心夹板，安装在定心夹板一侧，用于顶紧定心夹板的车床尾座活动顶尖。A lathe self-centering fixture for processing small-diameter thin workpieces, which includes a lathe spindle, a chuck installed on the lathe spindle, and a bowl-shaped splint installed on the chuck, matched with the bowl-shaped splint, used to clamp the workpiece The centering splint is installed on one side of the centering splint, and is used to tighten the movable top of the lathe tailstock of the centering splint.
作为优选方案，以上所述的加工小孔径薄形工件的车床自定心夹具，所述的卡盘为三爪卡盘。采用三爪卡盘可以稳定的夹持住碗形夹板。As a preferred solution, in the above-mentioned self-centering fixture for a lathe for processing small-diameter thin workpieces, the chuck is a three-jaw chuck. The bowl-shaped splint can be stably clamped by using a three-jaw chuck.
作为优选方案，以上所述的加工小孔径薄形工件的车床自定心夹具，所述的定心夹板的中心位置设有凸台。可以将小孔径薄形工件套在定心夹板的凸台上。As a preferred solution, in the above-mentioned self-centering fixture for a lathe for processing small-diameter thin workpieces, a boss is provided at the center of the centering splint. The small-diameter thin workpiece can be placed on the boss of the centering splint.
作为优选方案，以上所述的加工小孔径薄形工件的车床自定心夹具，所述的碗形夹板和定心夹板与工件的接触面上设有防滑螺纹，采用防滑螺纹可以稳定的夹持工件，防止工件打滑。As a preferred solution, the above-mentioned lathe self-centering fixture for processing small-diameter thin workpieces, the contact surface between the bowl-shaped splint and the centering splint and the workpiece is provided with anti-slip threads, and the anti-slip threads can be stably clamped Workpiece, prevent the workpiece from slipping.
作为优选方案，以上所述的加工小孔径薄形工件的车床自定心夹具，所述的车床尾座活动顶尖包括顶尖套，安装在顶尖套内螺钉，套在螺钉上的弹簧，一端安装在顶尖套内，并与弹簧接触的顶尖。顶尖可以在弹簧压缩力作用下，顶住定心夹板，从而可以更加稳固的夹持稳工件。As a preferred solution, the above-mentioned lathe self-centering fixture for processing small-diameter and thin-shaped workpieces, the movable top of the lathe tailstock includes a top sleeve, which is installed on the screw in the top sleeve, and the spring on the screw is installed at one end. The tip inside the tip sleeve and in contact with the spring. The top can withstand the centering splint under the spring compression force, so that the workpiece can be clamped more stably.
本发明提供的加工小孔径薄形工件的车床自定心夹具，具有较大的夹紧力而且使工件不易变形。工作原理是车床主轴带动三爪卡盘，三爪卡盘上夹紧碗形夹板，将薄形工件套在定心夹板的凸台上，用车床尾座活顶尖顶紧，然后进行相关加工操作。The lathe self-centering fixture for processing thin workpieces with small apertures provided by the invention has relatively large clamping force and makes the workpieces not easily deformed. The working principle is that the main shaft of the lathe drives the three-jaw chuck, the bowl-shaped splint is clamped on the three-jaw chuck, the thin workpiece is placed on the boss of the centering splint, and the live center of the lathe tailstock is used to tighten it, and then related processing operations are performed. .
有益效果：本发明提供的加工小孔径薄形工件的车床自定心夹具和现有技术相比具有以下优点：Beneficial effects: Compared with the prior art, the lathe self-centering fixture for processing small-diameter thin workpieces provided by the present invention has the following advantages:
本发明提供的加工小孔径薄形工件的车床自定心夹具，结构设计合理，操作方便，夹持稳定可靠，可防止工件变形，加工出来的工件质量高，实用性强。The lathe self-centering fixture for processing small-diameter thin workpieces provided by the invention has reasonable structural design, convenient operation, stable and reliable clamping, can prevent deformation of workpieces, and has high quality of processed workpieces and strong practicability.
附图说明Description of drawings
图1为本发明提供的加工小孔径薄形工件的车床自定心夹具的结构示意图。Fig. 1 is a structural schematic diagram of a lathe self-centering fixture for processing small-diameter thin workpieces provided by the present invention.
具体实施方式detailed description
下面结合附图和具体实施例，进一步阐明本发明，应理解这些实施例仅用于说明本发明而不用于限制本发明的范围，在阅读了本发明之后，本领域技术人员对本发明的各种等价形式的修改均落于本申请所附权利要求所限定的范围。Below in conjunction with accompanying drawing and specific embodiment, further illustrate the present invention, should be understood that these embodiments are only for illustrating the present invention and are not intended to limit the scope of the present invention, after having read the present invention, those skilled in the art will understand various aspects of the present invention Modifications in equivalent forms all fall within the scope defined by the appended claims of this application.
实施例1Example 1
如图1所示，一种加工小孔径薄形工件的车床自定心夹具，它包括车床主轴(1)，安装在车床主轴(1)上的三爪卡盘(2)，安装在三爪卡盘(2)上的碗形夹板(3)，与碗形夹板(3)配套，用于加紧工件的定心夹板(4)；安装在定心夹板(4)一侧，用于顶紧定心夹板(4)的车床尾座活动顶尖(5)。As shown in Figure 1, a kind of lathe self-centering fixture of processing small-diameter thin workpiece, it comprises lathe main shaft (1), is installed on the three-jaw chuck (2) on the lathe main shaft (1), is installed on three-jaw The bowl-shaped splint (3) on the chuck (2) is matched with the bowl-shaped splint (3) and is used to tighten the centering splint (4) of the workpiece; it is installed on the side of the centering splint (4) for top tightening The movable top (5) of the lathe tailstock of the centering splint (4).
以上所述的加工小孔径薄形工件的车床自定心夹具，所述的定心夹板(4)的中心位置设有凸台(4-1)。In the lathe self-centering fixture for processing small-diameter thin workpieces described above, the central position of the centering splint (4) is provided with a boss (4-1).
以上所述的加工小孔径薄形工件的车床自定心夹具，所述的碗形夹板(3)和定心夹板(4)加紧工件(6)，且碗形夹板(3)和定心夹板(4)与工件(6)的接触面上设有防滑螺纹。The above-mentioned lathe self-centering fixture for processing small-diameter thin workpieces, the bowl-shaped splint (3) and the centering splint (4) tighten the workpiece (6), and the bowl-shaped splint (3) and the centering splint (4) Anti-slip threads are provided on the contact surface with the workpiece (6).
以上所述的加工小孔径薄形工件的车床自定心夹具，所述的车床尾座活动顶尖(5)包括顶尖套，安装在顶尖套内螺钉，套在螺钉上的弹簧，一端安装在顶尖套内，并与弹簧接触的顶尖。In the lathe self-centering fixture for processing small-diameter thin workpieces described above, the movable top (5) of the lathe tailstock includes a top sleeve, which is installed on a screw in the top sleeve, and a spring that is sleeved on the screw, and one end is installed on the top. Inside the sleeve, and the tip that is in contact with the spring.
以上所述仅是本发明的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也应视为本发明的保护范围。The above is only a preferred embodiment of the present invention, it should be pointed out that, for those of ordinary skill in the art, without departing from the principle of the present invention, some improvements and modifications can also be made, and these improvements and modifications can also be made. It should be regarded as the protection scope of the present invention.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610225610.0A CN106001655A (en) | 2016-04-08 | 2016-04-08 | Lathe self-centering fixture for machining small-pore-diameter thin workpiece |
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| CN201610225610.0A CN106001655A (en) | 2016-04-08 | 2016-04-08 | Lathe self-centering fixture for machining small-pore-diameter thin workpiece |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106392139A (en) * | 2016-12-07 | 2017-02-15 | 凤城市明晓涡轮增压器制造有限公司 | Machining device for fast punching center holes of turbocharger center shafts |
| CN107378534A (en) * | 2017-09-18 | 2017-11-24 | 沈阳飞机工业（集团）有限公司 | The car folder of hole machined in a kind of bearing built-in type bushing |
| CN108890334A (en) * | 2018-07-20 | 2018-11-27 | 北京首钢冷轧薄板有限公司 | A kind of method of clamping and fixing device and the zinc-plated Automobile Plate large-diameter sample of processing |
| CN111842951A (en) * | 2020-07-22 | 2020-10-30 | 哈电集团（秦皇岛）重型装备有限公司 | Clamping device for machining thickness allowance of sleeper thin plate and machining method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204565663U (en) * | 2015-04-27 | 2015-08-19 | 盐城工学院 | The lathe self-centering fixture of machining small footpath thin type workpiece |
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2016
- 2016-04-08 CN CN201610225610.0A patent/CN106001655A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204565663U (en) * | 2015-04-27 | 2015-08-19 | 盐城工学院 | The lathe self-centering fixture of machining small footpath thin type workpiece |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106392139A (en) * | 2016-12-07 | 2017-02-15 | 凤城市明晓涡轮增压器制造有限公司 | Machining device for fast punching center holes of turbocharger center shafts |
| CN107378534A (en) * | 2017-09-18 | 2017-11-24 | 沈阳飞机工业（集团）有限公司 | The car folder of hole machined in a kind of bearing built-in type bushing |
| CN108890334A (en) * | 2018-07-20 | 2018-11-27 | 北京首钢冷轧薄板有限公司 | A kind of method of clamping and fixing device and the zinc-plated Automobile Plate large-diameter sample of processing |
| CN111842951A (en) * | 2020-07-22 | 2020-10-30 | 哈电集团（秦皇岛）重型装备有限公司 | Clamping device for machining thickness allowance of sleeper thin plate and machining method |
| CN111842951B (en) * | 2020-07-22 | 2022-04-22 | 哈电集团（秦皇岛）重型装备有限公司 | Clamping device for machining thickness allowance of sleeper thin plate and machining method |
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Application publication date: 20161012 |