CN103894858B - A kind of special-shaped workpiece clamping tooling - Google Patents
A kind of special-shaped workpiece clamping tooling Download PDFInfo
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- CN103894858B CN103894858B CN201410159511.8A CN201410159511A CN103894858B CN 103894858 B CN103894858 B CN 103894858B CN 201410159511 A CN201410159511 A CN 201410159511A CN 103894858 B CN103894858 B CN 103894858B
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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
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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
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
- B23Q2703/10—Devices for clamping workpieces of a particular form or made from a particular material
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Abstract
本发明公开了一种异型加工件夹持工装，包括筒形外架，筒形外架上铰接有三个连杆，连杆的顶端铰接有传动杆，传动杆的顶部设置有固定套，连杆的底端铰接有弧形片，弧形片的底面设置有第一突起部和第二突起部，第一突起部和第二突起部中间设置有固定轮，固定轮与弧形片之间设置有第一弹性连接体，第一突起部的高度高于第二突起部的高度，第一突起部和第二突起部的表面设置有第一防滑条纹，固定轮的表面设置有第二防滑条纹，第一防滑条纹与第二防滑条纹相互垂直设置。本发明能够改进现有技术的不足，实现直接在车床原有卡爪上套接使用，灵活方便，可大批量生产，成本低。
The invention discloses a special-shaped workpiece clamping tool, which comprises a cylindrical outer frame, three connecting rods are hinged on the cylindrical outer frame, a transmission rod is hinged at the top of the connecting rod, a fixed sleeve is arranged on the top of the transmission rod, and a connecting rod The bottom end of the arc-shaped sheet is hinged with a first protrusion and a second protrusion, and a fixed wheel is arranged between the first protrusion and the second protrusion. There is a first elastic connecting body, the height of the first protrusion is higher than that of the second protrusion, the surfaces of the first protrusion and the second protrusion are provided with first anti-skid stripes, and the surface of the fixed wheel is provided with second anti-skid stripes , the first anti-slip stripes and the second anti-slip stripes are arranged perpendicular to each other. The invention can improve the deficiencies of the prior art, realize the direct use of socketing on the original jaws of the lathe, is flexible and convenient, can be mass-produced, and has low cost.
Description
技术领域technical field
本发明涉及机械加工技术领域，尤其是一种异型加工件夹持工装。The invention relates to the technical field of mechanical processing, in particular to a special-shaped workpiece clamping tool.
背景技术Background technique
在零件的机械加工过程中，常常需要用到车床进行零件的切削加工。一般车床所带有的器为三爪式卡爪，对于以轴心对称的加工零件这种卡爪可以起到很好的固定作用。但是，对于一些不规则的异形零件，这种卡爪则无法使用。现有技术对于异形零件的固定，通常是设计专用的夹具来代替卡爪。虽然可以起到固定的作用，但是制作成本高，拆装时间长，大大提高了异形零件的加工成本。In the machining process of parts, it is often necessary to use lathes for cutting parts. Generally, the lathe is equipped with a three-jaw jaw, which can play a very good role in fixing the parts that are symmetrical about the axis. However, for some irregular and special-shaped parts, this jaw cannot be used. For the fixing of special-shaped parts in the prior art, special-purpose clamps are usually designed to replace the jaws. Although it can play a fixed role, the production cost is high and the disassembly and assembly time is long, which greatly increases the processing cost of special-shaped parts.
发明内容Contents of the invention
本发明要解决的技术问题是提供一种异型加工件夹持工装，能够改进现有技术的不足，通过设计通用式的夹持工装，实现直接在车床原有卡爪上套接使用，灵活方便，可大批量生产，成本低。The technical problem to be solved by the present invention is to provide a clamping tool for special-shaped workpieces, which can improve the deficiencies of the existing technology. By designing a universal clamping tool, it can be used directly on the original jaws of the lathe, which is flexible and convenient. , can be mass-produced at low cost.
为解决上述技术问题，本发明所采取的技术方案如下。In order to solve the above technical problems, the technical solutions adopted by the present invention are as follows.
一种异型加工件夹持工装，包括筒形外架，筒形外架上铰接有三个连杆，连杆的顶端铰接有传动杆，传动杆的顶部设置有固定套，连杆的底端铰接有弧形片，三个弧形片相互平行设置，且沿筒形外架的轴向方向依次排列，弧形片的底面设置有第一突起部和第二突起部，第一突起部和第二突起部中间设置有固定轮，固定轮与弧形片之间设置有第一弹性连接体，第一弹性连接体设置在弧形片内，第一突起部的高度高于第二突起部的高度，第一突起部和第二突起部的表面设置有第一防滑条纹，固定轮的表面设置有第二防滑条纹，第一防滑条纹与第二防滑条纹相互垂直设置。A clamping tool for special-shaped processed parts, including a cylindrical outer frame, three connecting rods are hinged on the cylindrical outer frame, a transmission rod is hinged at the top of the connecting rod, a fixed sleeve is arranged on the top of the transmission rod, and the bottom end of the connecting rod is hinged There are arc-shaped pieces, three arc-shaped pieces are arranged parallel to each other, and arranged in sequence along the axial direction of the cylindrical outer frame, the bottom surface of the arc-shaped pieces is provided with a first protrusion and a second protrusion, the first protrusion and the second protrusion A fixed wheel is arranged in the middle of the two protrusions, and a first elastic connecting body is arranged between the fixed wheel and the arc-shaped piece. The first elastic connecting body is arranged in the arc-shaped piece, and the height of the first protrusion is higher than that of the second protrusion. height, the surfaces of the first protrusion and the second protrusion are provided with first anti-slip stripes, the surface of the fixed wheel is provided with second anti-slip stripes, and the first anti-slip stripes and the second anti-slip stripes are arranged perpendicular to each other.
作为优选，所述弧形片的弧形角度为120°。Preferably, the arc angle of the arc-shaped piece is 120°.
作为优选，所述第一突起部和第二突起部的顶部对称设置有向外倾斜的固定爪。Preferably, the tops of the first protrusion and the second protrusion are symmetrically provided with outwardly inclined fixing claws.
作为优选，所述固定爪的倾斜角度为15°～30°。Preferably, the inclination angle of the fixed claw is 15°-30°.
作为优选，所述第一突起部与第二突起部的高度之比为3:2。Preferably, the ratio of the heights of the first protrusions to the second protrusions is 3:2.
作为优选，所述固定套的内部设置有金属倒刺，固定套的两端设置有喉箍。Preferably, metal barbs are provided inside the fixed sleeve, and throat hoops are provided at both ends of the fixed sleeve.
作为优选，所述金属倒刺与所述第一弹性连接体之间通过第二弹性连接体相连。Preferably, the metal barb is connected to the first elastic connecting body through a second elastic connecting body.
采用上述技术方案所带来的有益效果在于：本发明通过固定套套接在车床原有的卡爪上，金属倒刺提高了固定套与卡爪的连接牢固度，并通过喉箍最终固定，拆装方便。三个呈120°的弧形片在不同的水平位置对加工件进行固定，可以保持加工件的稳定，并且对于各种异型加工件都可以进行固定。第一突起部和第二突起部可以利用异型加工件表面的起伏进行卡接固定，其高度之比优选为3:2，可以避免过大的高度差导致的卡接稳定性。固定爪可以实现前后两个方向的固定，提高了第一突起部和第二突起部对于异型加工件表面的适应性。固定轮可以利用第一弹性连接体的形变量对第一突起部和第二突起部之间的空隙进行填补固定，提高了对异型加工件的稳定度。第一防滑条纹与第二防滑条纹相互垂直设置，提高了异型加工件在轴向和径向的固定，避免了加工过程中零件的微量窜动。金属倒刺在固定卡爪时产生的形变通过第二弹性连接体传递至第一弹性连接体，可以利用金属倒刺对卡爪固定时产生的形变反馈至第一弹性连接体，改变固定轮的夹持力度，提稳定性。The beneficial effects brought about by adopting the above technical solution are: the present invention is sleeved on the original jaws of the lathe through the fixing sleeve, and the metal barb improves the connection firmness between the fixing sleeve and the jaws, and is finally fixed by the throat hoop. Easy to install. Three 120° arc-shaped pieces fix the workpiece at different horizontal positions, which can keep the workpiece stable, and can fix various special-shaped workpieces. The first protrusion and the second protrusion can be clamped and fixed by using the undulation of the surface of the special-shaped workpiece, and the ratio of their heights is preferably 3:2, which can avoid the clamping stability caused by an excessive height difference. The fixing claws can be fixed in front and rear directions, which improves the adaptability of the first protrusion and the second protrusion to the surface of the special-shaped workpiece. The fixed wheel can use the deformation of the first elastic connecting body to fill and fix the gap between the first protrusion and the second protrusion, which improves the stability of the special-shaped workpiece. The first anti-slip stripes and the second anti-slip stripes are arranged perpendicular to each other, which improves the fixation of the special-shaped workpiece in the axial and radial directions, and avoids slight movement of the parts during the processing. The deformation generated by the metal barb when fixing the claw is transmitted to the first elastic connecting body through the second elastic connecting body, and the deformation generated when the metal barb is fixed to the claw can be used to feed back to the first elastic connecting body to change the fixed wheel. Clamping strength, improve stability.
附图说明Description of drawings
图1是本发明第一实施例的主视图。Fig. 1 is a front view of a first embodiment of the present invention.
图2是本发明第一实施例中弧形片主视图。Fig. 2 is a front view of the curved sheet in the first embodiment of the present invention.
图3是本发明第一实施例中固定套的主视图。Fig. 3 is a front view of the fixing sleeve in the first embodiment of the present invention.
图中：1、筒形外架；2、连杆；3、传动杆、4、固定套、5、弧形片；6、第一突起部；7、第二突起部；8、固定轮；9、第一弹性连接体；10、第二防滑条纹；11、固定爪；12、金属倒刺；13、喉箍；14、第二弹性连接体；15、第一防滑条纹。In the figure: 1, cylindrical outer frame; 2, connecting rod; 3, transmission rod, 4, fixed sleeve, 5, arc-shaped piece; 6, first protrusion; 7, second protrusion; 8, fixed wheel; 9. The first elastic connector; 10. The second anti-skid stripe; 11. The fixed claw; 12. The metal barb; 13. The throat hoop; 14. The second elastic connector; 15. The first anti-skid stripe.
具体实施方式detailed description
实施例1Example 1
参照图1-3，一种异型加工件夹持工装，包括筒形外架1，筒形外架1上铰接有三个连杆2，连杆2的顶端铰接有传动杆3，传动杆3的顶部设置有固定套4，连杆2的底端铰接有弧形片5，三个弧形片5相互平行设置，且沿筒形外架1的轴向方向依次排列，弧形片5的底面设置有第一突起部6和第二突起部7，第一突起部6和第二突起部7中间设置有固定轮8，固定轮8与弧形片5之间设置有第一弹性连接体9，第一弹性连接体9设置在弧形片5内，第一突起部6的高度高于第二突起部7的高度，第一突起部6和第二突起部7的表面设置有第一防滑条纹15，固定轮8的表面设置有第二防滑条纹10，第一防滑条纹15与第二防滑条纹10相互垂直设置。Referring to Figures 1-3, a clamping tool for special-shaped workpieces includes a cylindrical outer frame 1, three connecting rods 2 are hinged on the cylindrical outer frame 1, and a transmission rod 3 is hinged at the top of the connecting rod 2. The top is provided with a fixed sleeve 4, and the bottom end of the connecting rod 2 is hinged with an arc-shaped piece 5. The three arc-shaped pieces 5 are arranged in parallel with each other and arranged in sequence along the axial direction of the cylindrical outer frame 1. The bottom surface of the arc-shaped piece 5 A first protruding portion 6 and a second protruding portion 7 are provided, a fixed wheel 8 is arranged between the first protruding portion 6 and the second protruding portion 7, and a first elastic connecting body 9 is arranged between the fixed wheel 8 and the arc-shaped piece 5 , the first elastic connecting body 9 is arranged in the arc-shaped piece 5, the height of the first protrusion 6 is higher than the height of the second protrusion 7, and the surfaces of the first protrusion 6 and the second protrusion 7 are provided with a first anti-skid Stripes 15, the surface of the fixed wheel 8 is provided with the second anti-slip stripes 10, and the first anti-slip stripes 15 and the second anti-slip stripes 10 are arranged perpendicular to each other.
值得注意的是，所述弧形片5的弧形角度为120°。It should be noted that the arc angle of the arc-shaped sheet 5 is 120°.
值得注意的是，所述第一突起部6和第二突起部7的顶部对称设置有向外倾斜的固定爪11。It should be noted that the tops of the first protruding portion 6 and the second protruding portion 7 are symmetrically provided with outwardly inclined fixing claws 11 .
值得注意的是，所述固定爪11的倾斜角度为25°。It should be noted that the inclination angle of the fixed claw 11 is 25°.
值得注意的是，所述第一突起部6与第二突起部7的高度之比为3:2。It should be noted that the height ratio of the first protrusion 6 to the second protrusion 7 is 3:2.
值得注意的是，所述固定套4的内部设置有金属倒刺12，固定套4的两端设置有喉箍13。It should be noted that metal barbs 12 are provided inside the fixed sleeve 4 , and throat hoops 13 are provided at both ends of the fixed sleeve 4 .
值得注意的是，所述金属倒刺12与所述第一弹性连接体9之间通过第二弹性连接体14相连，第二弹性连接体14连接至第一弹性连接体9的中间部位。It should be noted that the metal barb 12 is connected to the first elastic connecting body 9 through the second elastic connecting body 14 , and the second elastic connecting body 14 is connected to the middle part of the first elastic connecting body 9 .
其中，第一弹性连接体9和第二弹性连接体14优选为弹簧。Wherein, the first elastic connecting body 9 and the second elastic connecting body 14 are preferably springs.
本实施例最适用于类球体的异型加工件的固定。This embodiment is most suitable for the fixation of special-shaped workpieces like spheroids.
实施例2Example 2
一种异型加工件夹持工装，包括筒形外架1，筒形外架1上铰接有三个连杆2，连杆2的顶端铰接有传动杆3，传动杆3的顶部设置有固定套4，连杆2的底端铰接有弧形片5，三个弧形片5相互平行设置，且沿筒形外架1的轴向方向依次排列，弧形片5的底面设置有第一突起部6和第二突起部7，第一突起部6和第二突起部7中间设置有固定轮8，固定轮8与弧形片5之间设置有第一弹性连接体9，第一弹性连接体9设置在弧形片5内，第一突起部6的高度高于第二突起部7的高度，第一突起部6和第二突起部7的表面设置有第一防滑条纹15，固定轮8的表面设置有第二防滑条纹10，第一防滑条纹15与第二防滑条纹10相互垂直设置。A tool for clamping special-shaped workpieces, including a cylindrical outer frame 1, three connecting rods 2 are hinged on the cylindrical outer frame 1, a transmission rod 3 is hinged at the top of the connecting rods 2, and a fixed sleeve 4 is arranged on the top of the transmission rod 3 , the bottom end of the connecting rod 2 is hinged with an arc-shaped piece 5, the three arc-shaped pieces 5 are arranged parallel to each other, and arranged in sequence along the axial direction of the cylindrical outer frame 1, and the bottom surface of the arc-shaped piece 5 is provided with a first protrusion 6 and the second protruding part 7, a fixed wheel 8 is arranged in the middle of the first protruding part 6 and the second protruding part 7, and a first elastic connector 9 is arranged between the fixed wheel 8 and the arc-shaped piece 5, and the first elastic connector 9 is arranged in the arc-shaped piece 5, the height of the first protrusion 6 is higher than the height of the second protrusion 7, and the surfaces of the first protrusion 6 and the second protrusion 7 are provided with first anti-slip stripes 15, and the fixed wheel 8 The second anti-slip stripes 10 are arranged on the surface of the surface, and the first anti-slip stripes 15 and the second anti-slip stripes 10 are arranged perpendicular to each other.
值得注意的是，所述弧形片5的弧形角度为120°。It should be noted that the arc angle of the arc-shaped sheet 5 is 120°.
值得注意的是，所述第一突起部6和第二突起部7的顶部对称设置有向外倾斜的固定爪11。It should be noted that the tops of the first protruding portion 6 and the second protruding portion 7 are symmetrically provided with outwardly inclined fixing claws 11 .
值得注意的是，所述固定爪11的倾斜角度为15°。It should be noted that the angle of inclination of the fixing claw 11 is 15°.
值得注意的是，所述第一突起部6与第二突起部7的高度之比为3:2。It should be noted that the height ratio of the first protrusion 6 to the second protrusion 7 is 3:2.
值得注意的是，所述固定套4的内部设置有金属倒刺12，固定套4的两端设置有喉箍13。It should be noted that metal barbs 12 are provided inside the fixed sleeve 4 , and throat hoops 13 are provided at both ends of the fixed sleeve 4 .
值得注意的是，所述金属倒刺12与所述第一弹性连接体9之间通过第二弹性连接体14相连，第二弹性连接体14连接至第一弹性连接体9的底部。It should be noted that the metal barb 12 is connected to the first elastic connecting body 9 through a second elastic connecting body 14 , and the second elastic connecting body 14 is connected to the bottom of the first elastic connecting body 9 .
其中，第一弹性连接体9和第二弹性连接体14优选为弹簧。Wherein, the first elastic connecting body 9 and the second elastic connecting body 14 are preferably springs.
本实施例最适用于类柱体的异形加工件的固定。This embodiment is most suitable for the fixing of special-shaped workpieces like cylinders.
实施例3Example 3
一种异型加工件夹持工装，包括筒形外架1，筒形外架1上铰接有三个连杆2，连杆2的顶端铰接有传动杆3，传动杆3的顶部设置有固定套4，连杆2的底端铰接有弧形片5，三个弧形片5相互平行设置，且沿筒形外架1的轴向方向依次排列，弧形片5的底面设置有第一突起部6和第二突起部7，第一突起部6和第二突起部7中间设置有固定轮8，固定轮8与弧形片5之间设置有第一弹性连接体9，第一弹性连接体9设置在弧形片5内，第一突起部6的高度高于第二突起部7的高度，第一突起部6和第二突起部7的表面设置有第一防滑条纹15，固定轮8的表面设置有第二防滑条纹10，第一防滑条纹15与第二防滑条纹10相互垂直设置。A tool for clamping special-shaped workpieces, including a cylindrical outer frame 1, three connecting rods 2 are hinged on the cylindrical outer frame 1, a transmission rod 3 is hinged at the top of the connecting rods 2, and a fixed sleeve 4 is arranged on the top of the transmission rod 3 , the bottom end of the connecting rod 2 is hinged with an arc-shaped piece 5, the three arc-shaped pieces 5 are arranged parallel to each other, and arranged in sequence along the axial direction of the cylindrical outer frame 1, and the bottom surface of the arc-shaped piece 5 is provided with a first protrusion 6 and the second protruding part 7, a fixed wheel 8 is arranged in the middle of the first protruding part 6 and the second protruding part 7, and a first elastic connector 9 is arranged between the fixed wheel 8 and the arc-shaped piece 5, and the first elastic connector 9 is arranged in the arc-shaped piece 5, the height of the first protrusion 6 is higher than the height of the second protrusion 7, and the surfaces of the first protrusion 6 and the second protrusion 7 are provided with first anti-slip stripes 15, and the fixed wheel 8 The second anti-slip stripes 10 are arranged on the surface of the surface, and the first anti-slip stripes 15 and the second anti-slip stripes 10 are arranged perpendicular to each other.
值得注意的是，所述弧形片5的弧形角度为120°。It should be noted that the arc angle of the arc-shaped sheet 5 is 120°.
值得注意的是，所述第一突起部6和第二突起部7的顶部对称设置有向外倾斜的固定爪11。It should be noted that the tops of the first protruding portion 6 and the second protruding portion 7 are symmetrically provided with outwardly inclined fixing claws 11 .
值得注意的是，所述固定爪11的倾斜角度为30°。It should be noted that the inclination angle of the fixed claw 11 is 30°.
值得注意的是，所述第一突起部6与第二突起部7的高度之比为3:2。It should be noted that the height ratio of the first protrusion 6 to the second protrusion 7 is 3:2.
值得注意的是，所述固定套4的内部设置有金属倒刺12，固定套4的两端设置有喉箍13。It should be noted that metal barbs 12 are provided inside the fixed sleeve 4 , and throat hoops 13 are provided at both ends of the fixed sleeve 4 .
值得注意的是，所述金属倒刺12与所述第一弹性连接体9之间通过第二弹性连接体14相连，第二弹性连接体14连接至第一弹性连接体9的顶部。It should be noted that the metal barb 12 is connected to the first elastic connecting body 9 through a second elastic connecting body 14 , and the second elastic connecting body 14 is connected to the top of the first elastic connecting body 9 .
其中，第一弹性连接体9和第二弹性连接体14优选为弹簧。Wherein, the first elastic connecting body 9 and the second elastic connecting body 14 are preferably springs.
本实施例最适用于类锥体的异型加工件的固定。This embodiment is most suitable for the fixation of cone-like special-shaped workpieces.
以上显示和描述了本发明的基本原理和主要特征和本发明的优点。本行业的技术人员应该了解，本发明不受上述实施例的限制，上述实施例和说明书中描述的只是说明本发明的原理，在不脱离本发明精神和范围的前提下，本发明还会有各种变化和改进，这些变化和改进都落入要求保护的本发明范围内。本发明要求保护范围由所附的权利要求书及其等效物界定。The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above. Those skilled in the industry should understand that the present invention is not limited by the above-mentioned embodiments. What are described in the above-mentioned embodiments and the description only illustrate the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will also have Variations and improvements are possible, which fall within the scope of the claimed invention. The protection scope of the present invention is defined by the appended claims and their equivalents.
Claims (7)
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| EP1044748B1 (en) * | 1999-04-13 | 2005-08-10 | Fanuc Ltd | Tool clamping mechanism and pull stud |
| CN2820426Y (en) * | 2005-07-25 | 2006-09-27 | 长安汽车（集团）有限责任公司 | Fastening device for forming workpiece inner screw |
| CN201189610Y (en) * | 2008-04-28 | 2009-02-04 | 南京数控机床有限公司 | Clamper for positioning and clamping abnormal form part on lathe |
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Effective date of registration: 20211230 Address after: 226602 Xinling community, No. 88, Changjiang West Road, Hai'an town, Hai'an City, Nantong City, Jiangsu Province Patentee after: JIANGSU HONGCHENG FORGING AND PRESSING MACHINE TOOL CO.,LTD. Address before: 212400 Jiangsu Zhenjiang Jurong Shishi stamping parts factory Patentee before: JURONG SHISHI STAMPING PARTS FACTORY |
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