CN206614278U - A kind of double eccentric wheel clamping device - Google Patents
A kind of double eccentric wheel clamping device Download PDFInfo
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- CN206614278U CN206614278U CN201720279355.8U CN201720279355U CN206614278U CN 206614278 U CN206614278 U CN 206614278U CN 201720279355 U CN201720279355 U CN 201720279355U CN 206614278 U CN206614278 U CN 206614278U
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- eccentric wheel
- pin shaft
- clamp body
- screw rod
- clamping device
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- 208000014674 injury Diseases 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
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Abstract
本实用新型公开了一种双偏心轮夹紧装置，属于机械加工技术领域，它是由施力杆(1)、螺杆(2)、销轴(3)、偏心轮(4)、夹具体(5)、工件(6)和定位圆柱(7)组成；其特征在于：所述的夹具体(5)为长方形，其左边有两个孔，固定安装定位圆柱(7)，其孔与定位圆柱(7)为过盈配合，右边有两个孔，固定安装销轴(3)，其孔与销轴(3)为过盈配合，最右有一安装螺母；所述的偏心轮(4)安装于销轴(3)且在夹具体(5)之上，偏心轮(4)的安装孔与销轴(3)为间隙配合；所述的螺杆(2)穿过夹具体(5)右边的安装螺母且左边固定安装在两个偏心轮(4)之上。本实用新型的一种定心机构装置，装夹工件快、准、牢且结构简单、安全可靠、易操作等优点。
The utility model discloses a double eccentric wheel clamping device, belonging to the technical field of mechanical processing, which is composed of a force applying rod (1), a screw rod (2), a pin shaft (3), an eccentric wheel (4), and a clamping body ( 5), the workpiece (6) and the positioning cylinder (7); it is characterized in that: the clamp body (5) is rectangular, and there are two holes on its left side, and the positioning cylinder (7) is fixedly installed, and its hole and the positioning cylinder (7) is an interference fit, there are two holes on the right side, and the pin shaft (3) is fixedly installed, and its hole and the pin shaft (3) are interference fit, and there is a mounting nut on the far right; On the pin shaft (3) and on the clamp body (5), the installation hole of the eccentric wheel (4) is clearance fit with the pin shaft (3); the screw rod (2) passes through the right side of the clamp body (5) Install the nut and the left side is fixedly installed on the two eccentric wheels (4). A centering mechanism device of the utility model has the advantages of fast, accurate and firm clamping of workpieces, simple structure, safety and reliability, and easy operation.
Description
技术领域technical field
本实用新型涉及一种双偏心轮夹紧装置，属于机械加工技术领域。The utility model relates to a double eccentric wheel clamping device, which belongs to the technical field of mechanical processing.
背景技术Background technique
在机械加工技术中，对工件的装夹要求很高，在钳工装夹过程中，通常使用平口钳对工件进行装夹，对于比较规范的零件装夹比较简单，对于复杂或不规则的零件用平口钳来装夹就比较费时且装夹不牢，如果零件装夹不牢固，在加工过程中容易出现零件脱落的现象，如果发生零件脱落，对加工设备的安全会有极大的威胁，甚至，对操作人员也会造成伤害。如果对于零件比较长且大批量生产来说用这种方法生产率较低，为了节约生产成本，提高生产效益，因此设计一种双偏心轮夹紧装置非常必要。In mechanical processing technology, the clamping requirements for workpieces are very high. In the process of fitter clamping, flat-nose pliers are usually used to clamp workpieces. It is relatively simple for relatively standardized parts, and it is used for complex or irregular parts. It is time-consuming to clamp the flat-nose pliers and the clamping is not firm. If the parts are not clamped firmly, the parts will easily fall off during the processing process. If the parts fall off, it will be a great threat to the safety of the processing equipment, and even , will also cause injury to the operator. If the productivity of this method is low for parts that are relatively long and produced in large quantities, in order to save production costs and improve production efficiency, it is very necessary to design a double eccentric clamping device.
实用新型内容Utility model content
为解决上述问题，本实用新型的目的正是为了解决上述现有技术的不足，本实用新型的目的在于提供一种双偏心轮夹紧装置。In order to solve the above problems, the purpose of this utility model is to solve the above-mentioned deficiencies in the prior art. The purpose of this utility model is to provide a double eccentric wheel clamping device.
为解决上述问题，本实用新型是通过以下技术方案实现的：一种双偏心轮夹紧装置，它是由施力杆1、螺杆2、销轴3、偏心轮4、夹具体5、工件6和定位圆柱7组成；其特征在于：所述的夹具体5为长方形，其左边有两个孔，固定安装定位圆柱7，其孔与定位圆柱7为过盈配合，右边有两个孔，固定安装销轴3，其孔与销轴3为过盈配合，最右有一安装螺母；所述的偏心轮4安装于销轴3且在夹具体5之上，偏心轮4的安装孔与销轴3为间隙配合；所述的螺杆2穿过夹具体5右边的安装螺母且左边固定安装在两个偏心轮4之上。工作时将工件放置于两个定位圆柱和两个偏心轮之间，转动施力杆1，使螺杆2转动并进退，从而把工件定位并压紧；当螺杆2向右后退时，即可松开连杆工件。In order to solve the above problems, the utility model is realized through the following technical solutions: a double eccentric wheel clamping device, which is composed of a force applying rod 1, a screw rod 2, a pin shaft 3, an eccentric wheel 4, a clamp body 5, and a workpiece 6 It is composed of a positioning cylinder 7; it is characterized in that: the clamp body 5 is rectangular, and there are two holes on its left side, and the positioning cylinder 7 is fixedly installed, and its hole and the positioning cylinder 7 are interference fits, and there are two holes on the right side, which are fixed Install the pin shaft 3, its hole is an interference fit with the pin shaft 3, and there is a mounting nut on the far right; the eccentric wheel 4 is installed on the pin shaft 3 and on the clamp body 5, the mounting hole of the eccentric wheel 4 and the pin shaft 3 is a loose fit; the screw 2 passes through the mounting nut on the right side of the clamp body 5 and is fixedly installed on the two eccentric wheels 4 on the left side. When working, place the workpiece between the two positioning cylinders and the two eccentric wheels, and turn the force applying rod 1 to make the screw 2 rotate and advance and retreat, thereby positioning and pressing the workpiece; when the screw 2 moves back to the right, it can be loosened. Open the connecting rod workpiece.
本实用新型的有益效果是：一种双偏心轮夹紧装置，装夹工件快、准、牢且结构简单、安全可靠、易操作等优点。The beneficial effects of the utility model are: a double eccentric wheel clamping device, which can quickly, accurately and firmly clamp workpieces, and has the advantages of simple structure, safety, reliability and easy operation.
附图说明Description of drawings
图1是一种双偏心轮夹紧装置结构示意图。Fig. 1 is a structural schematic diagram of a double eccentric wheel clamping device.
具体实施方式detailed description
如图1所示，一种双偏心轮夹紧装置，它是由定位键1、限位块2、定心机构座3、螺杆4、右定位块5、左旋螺母6、工件7、左定位块8和右旋螺母9组成；其特征在于：所述的定位键1安装于工作台的定位槽内；所述的限位块2成阶梯状下部用螺钉安装于定心机构座3下部的安装孔内，上部安装于螺杆4的定位槽内且为间隙配合；所述的螺杆4左部螺杆为右旋螺纹，右部螺杆为左旋螺纹；所述的左旋螺母6安装于螺杆4的右部左旋螺纹上；所述的右旋螺母9安装于螺杆4的左部右旋螺纹上；所述的右定位块5用螺钉安装于左旋螺母6上；所述的左定位块8用螺钉安装于右旋螺母9上；所述的工件7安装于右定位块5和左定位块8之间。工作时先将工件放置于两定位块之间，旋转螺杆4的手柄，从而带动左右螺母实现自动定心夹紧工件。As shown in Figure 1, a double eccentric wheel clamping device is composed of a positioning key 1, a limiting block 2, a centering mechanism seat 3, a screw rod 4, a right positioning block 5, a left-handed nut 6, a workpiece 7, and a left positioning block 8 and right-handed nut 9; it is characterized in that: the positioning key 1 is installed in the positioning groove of the workbench; In the installation hole, the upper part is installed in the positioning groove of the screw rod 4 and is a clearance fit; the left screw rod of the screw rod 4 is a right-handed thread, and the right screw rod is a left-handed thread; the left-handed nut 6 is installed on the right side of the screw rod 4 The left-handed thread of the part; the right-handed nut 9 is installed on the right-handed thread of the left part of the screw rod 4; the right positioning block 5 is installed on the left-handed nut 6 with screws; the left positioning block 8 is installed with screws On the right-handed nut 9; the workpiece 7 is installed between the right positioning block 5 and the left positioning block 8. When working, the workpiece is first placed between the two positioning blocks, and the handle of the screw rod 4 is rotated, thereby driving the left and right nuts to realize automatic centering and clamping of the workpiece.
以上已以较佳实施公开了本实用新型，然其并非用以限制本实用新型，凡采取等同替换或等效变换所获得的技术方案，均落在本实用新型的保护范围内。The utility model has been disclosed above with preferred implementations, but it is not intended to limit the utility model. All technical solutions obtained by equivalent replacement or equivalent transformation fall within the protection scope of the utility model.
Claims (1)
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720279355.8U CN206614278U (en) | 2017-03-17 | 2017-03-17 | A kind of double eccentric wheel clamping device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720279355.8U CN206614278U (en) | 2017-03-17 | 2017-03-17 | A kind of double eccentric wheel clamping device |
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| Publication Number | Publication Date |
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| CN206614278U true CN206614278U (en) | 2017-11-07 |
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| CN201720279355.8U Expired - Fee Related CN206614278U (en) | 2017-03-17 | 2017-03-17 | A kind of double eccentric wheel clamping device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113681867A (en) * | 2021-10-27 | 2021-11-23 | 山东中茂散热器有限公司 | Blowing machine convenient to change mould |
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2017
- 2017-03-17 CN CN201720279355.8U patent/CN206614278U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113681867A (en) * | 2021-10-27 | 2021-11-23 | 山东中茂散热器有限公司 | Blowing machine convenient to change mould |
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Granted publication date: 20171107 Termination date: 20180317 |