CN106002375A - Floating clamp - Google Patents
Floating clamp Download PDFInfo
- Publication number
- CN106002375A CN106002375A CN201610476847.6A CN201610476847A CN106002375A CN 106002375 A CN106002375 A CN 106002375A CN 201610476847 A CN201610476847 A CN 201610476847A CN 106002375 A CN106002375 A CN 106002375A
- Authority
- CN
- China
- Prior art keywords
- push rod
- forbay
- shaped part
- floating type
- type fixture
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
Abstract
The invention relates to a floating clamp. The floating clamp comprises a pressure box, wherein a plurality of jacking rods floating along an axial direction and used for jacking a specially-shaped part are assembled on at least one side surface except a reference surface, of the pressure box in a manner of guide sealing; one end of each jacking rod is located in the pressure box, and the other end of the jacking rod stretches out of the pressure box; working mediums used for pushing the jacking rods to axially float are arranged in the pressure box; and a space adjustment mechanism used for adjusting the size of a space where the working mediums are located is arranged on the pressure box. The space where the working mediums are located is reduced through the space adjustment mechanism, so that the working mediums push the jacking rods to axially float to jack the specially-shaped part; acting forces on the jacking rods are the same according to a hydraulic principle; the plurality of jacking rods form a plurality of equal-force fulcrums and the equal-force fulcrums act on different parts of the specially-shaped part, thus the acting forces acting on the specially-shaped part are effectively dispersed, the stress concentration of the specially-shaped part is reduced, and the deformation amount of the specially-shaped part is reduced.
Description
Technical field
The invention belongs to the field of fixtures of machining, particularly relate to a kind of floating type fixture.
Background technology
Fixture is auxiliary device important in machining, is used for fixing processed object so that it is be in correct Working position in mechanical processing process, to ensure for process tool its accurate processing.
At present, the special-shaped part of substantial amounts of casting class is used in high-voltage product, special-shaped part refers to part in irregular shape, special-shaped part generally uses universal fixturing to carry out clamping clamping adding man-hour, clamping force on universal fixturing acts on special-shaped part by positioning supporting point or locating surface, owing to the profile of special-shaped part is irregular, in certain point that the clamping force of universal fixturing is only capable of acting on special-shaped part or a certain line, stress is concentrated very much, this part resulting in completion is once pulled down folder from fixture and can be deformed, and even causes overproof formation waste product.Generally speaking, force localization during current clamp, it is impossible to active force is distributed to the different parts of special-shaped part, and clamping mode is unreasonable, is necessary for this to design a kind of fixture that active force can be distributed to abnormity parts different parts.
Summary of the invention
It is an object of the invention to provide a kind of floating type fixture that active force can be distributed to abnormity parts different parts.
Above-mentioned purpose, the technical scheme of a kind of floating type fixture of the present invention is: described floating type fixture includes forbay, forbay in addition to datum level at least one side pilot seal be equipped with multiple push rod for holding out against special-shaped part floated vertically, one end of push rod is positioned at the inside of forbay, the other end of push rod stretches out forbay, the inside of forbay is provided with the working media for promoting push rod axial float, and forbay is provided with the space adjusting mechanism for adjusting working media place space size.
Described push rod is ball head structure for holding out against one end of special-shaped part.
The other end of described push rod is provided with male connection, male connection is connected with nut, described nut includes the cap body that profile is square, offering the blind screw hole being connected with male connection on the end face of one end of cap body, the end contact of the other end of cap body is supported on described working media.
Coaxially being equiped with back-moving spring on described push rod, the top, one end of back-moving spring is pressed in described cap body and offers on the end face of screwed hole one end, and the other end top of back-moving spring is pressed on the medial surface of forbay.
Described forbay includes that the gusset plate by substrate, being welded on substrate and the cover plate being threaded on gusset plate are formed, the lateral surface of described substrate constitutes described datum level, on substrate, the periphery in gusset plate offers for fixing the connecting hole being connected with workbench, described cover plate guides and assembles described push rod.
Described gusset plate is welded successively by four pieces of side plate first and last, and the weld seam between adjacent biside plate is angle welding.
Described working media includes that steel ball, described space regulation structure include the adjustment screwed hole connected with space, working media place that gusset plate is provided with, and in described adjustment screwed hole, Screw assembly has adjustment screw rod.
Described working media also includes having the lubricant lubricating described steel ball effect.
Described lubricant is butter.
At screwed hole, reinforcing plate it is provided with on described gusset plate.
The invention has the beneficial effects as follows: when utilizing the floating type fixture clamping clamping abnormity parts of the present invention, first abnormity parts are placed on push rod, by space regulation structure, the space at working media place is turned down, working media is forced to promote push rod upwards to float and hold out against special-shaped part, according to hydraulic principle, active force on each push rod is identical, multiple push rods form the power fulcrum such as multiple and the power point action such as each different parts at special-shaped part, thus effectively disperseed the active force acting on special-shaped part, the stress reducing special-shaped part is concentrated, reduce the deflection of special-shaped part.
Further, described push rod is ball head structure for holding out against one end of special-shaped part, under the promotion of working media, the ball head structure of the push rod being in different parts is conducive to adjusting the distribution characteristics matched with special-shaped part profile, it is ensured that the reliability of special-shaped part clamping.
Further, working media is steel ball, and the decrement of steel ball is little, in the case of space, steel ball place diminishes, it is ensured that steel ball can promote push rod to float vertically.
Further, working media also includes lubricant, and lubricant has lubrication to steel ball, can reduce the frictional force between steel ball, improves the fluid ability of steel ball.
Further, described lubricant is butter, and butter is close to paste, it is not easy to outflow, relatively low to the seal request of forbay.
Accompanying drawing explanation
Fig. 1 is the structural representation of the specific embodiment of a kind of floating type fixture of the present invention；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is substrate and the connection diagram of gusset plate in Fig. 1；
Fig. 4 is the top view of Fig. 3；
Fig. 5 is the structural representation of substrate in Fig. 1；
Fig. 6 is the structural representation of Fig. 1 cover plate；
Fig. 7 is the structural representation of push rod in Fig. 1；
Fig. 8 is the structural representation of nut in Fig. 1；
Fig. 9 is the application state figure of a kind of floating type fixture of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawings embodiments of the present invention are described further.
The specific embodiment of a kind of floating type fixture of the present invention, as shown in Figure 1 to Figure 2, including forbay and multiple push rod 4 floated vertically.As shown in Figure 3 and Figure 4, forbay casing includes that substrate 1, gusset plate 2 and cover plate 3 are formed, and the lower surface of gusset plate is welded on substrate, face on the basis of the lateral surface of substrate.As shown in Figure 5, on substrate 1, periphery in gusset plate 2 offers and is same as fixing the connecting hole 11 being connected with workbench, the first screwed hole 22 being evenly distributed is offered on the upper surface of gusset plate 2, gusset plate 2 is welded successively by four pieces of side plate first and last, weld seam between adjacent biside plate is angle welding, the most in other embodiments, gusset plate can also be one-body molded by mould.As shown in Figure 6, the edge of cover plate 3 has second screwed hole 21 corresponding with the first screwed hole 22, and cover plate 3 is fixedly connected on gusset plate 2 by fastening bolt.The pilot hole 32 for coordinating is offered with push rod 4 axial float on cover plate 3.
The inside of forbay is provided with the working media for promoting push rod 4 upwards to float, working media is multiple steel ball 6 and is filled between each steel ball 6 butter at gap, butter has lubrication to steel ball, can reduce the frictional force between steel ball 6, improves the fluid ability of steel ball 6；Additionally butter is close to paste, it is not easy to outflow, relatively low to the seal request of forbay.In other embodiments, butter can also replace with other lubricants, replaces butter for example with lubricating oil.
Forbay is provided with the space regulation structure adjusting steel ball 6 place space size, described adjustment structure includes two the symmetrical adjustment screwed holes 21 connected with space, steel ball 6 place offered on the gusset plate 2 of forbay, in two adjustment screwed holes 21, Screw assembly has adjustment screw rod 8 respectively, adjusted the size in space, steel ball place by the screw-in amount adjusting screw rod, force steel ball to flow.The most in other embodiments, the quantity adjusting screwed hole is unrestricted, can carry out only offering one on the gusset plate of reasonable Arrangement, such as forbay according to the size of gusset plate 2 and adjust screwed hole or plural adjustment screwed hole.
In order to strengthen adjustment screw rod local strength of the gusset plate 2 of forbay when screwing, on the gusset plate 2 of forbay in offer adjustment screwed hole 21 at be provided with reinforcing plate 9.
As it is shown in figure 1, push rod 4 pilot seal is assemblied on cover plate 3 in the pilot hole 32 offered, one end of push rod 4 is positioned at the inside of forbay, and the other end of push rod 4 stretches out casing.As shown in Figure 7, push rod 4 is ball head structure 41 for holding out against one end of special-shaped part, under the promotion of steel ball 6 and butter, the ball head structure 41 of the push rod 4 being in different parts is conducive to adjusting the distribution characteristics matched with special-shaped part profile, it is ensured that the reliability of special-shaped part clamping.The lower end of push rod 4 is provided with male connection 42, and male connection 42 is connected with nut.As shown in Figure 8, nut includes that profile is square the cap body 5 of structure, and one end of cap body 5 is provided with the blind screw hole 51 being connected with male connection 42, and the end contact of the other end of cap body 5 is supported on steel ball 6 and butter.In order to make push rod 4 automatic axial floating to reset, push rod 4 is coaxially equiped with back-moving spring 7.Offering described in the cap body 5 of top, one end pressure of back-moving spring 7 on the end face of blind screw hole 51 one end, the other end top of back-moving spring 7 is pressed on the medial surface of cover plate 3.
nullThe present invention is in use，Forbay is fixedly connected on workbench by the connecting hole 11 first passed through on substrate 1，If special-shaped part is middle special-shaped part 001 as shown in Figure 9，This special-shaped part 001 is placed on push rod 4，Then rotated by spanner and adjust screw rod 8，Make adjustment screw rod 8 screw in the length within forbay to increase and reduce the space at steel ball 6 place，Steel ball 6 is forced to occur to flow and steel ball 6 top pressure nut 5，Nut 5 promotes push rod 4 axial float，The ball head structure 41 of push rod 4 holds out against special-shaped part 001，In irregular shape due to special-shaped part 001，The length that push rod 4 stretches out forbay is different，But its ball head structure 41 contacts closely with special-shaped part 001，According to hydraulic principle，Under the effect not considering back-moving spring 7 elastic force，When special-shaped part 001 is held out against by push rod 5，The pressure of each push rod 4 is identical，Multiple push rods 4 form the power fulcrum such as multiple and the power point action such as each different parts at special-shaped part 001，Thus effectively disperseed to act on the active force of 001 on special-shaped part，The stress reducing special-shaped part 001 is concentrated，Reduce the deflection of special-shaped part 001.After special-shaped part 001 machines, use spanner to rotate and adjust screw rod 2, make adjustment screw rod 8 screw in the length within forbay to reduce, under the effect of back-moving spring 7, push rod unclamps special-shaped part 001 axially towards the inside floating reset of forbay, then takes away special-shaped part 001 from push rod 4.
In other embodiments, hydraulic oil in elastic body that working media can also include having one end open and resilient sleeve intracoelomic cavity, increasing the amount of hydraulic oil in resilient sleeve intracoelomic cavity by the opening of elastic body forces elastic body to deform, resilient sleeve body deformability and promote push rod axial float to be clamped by special-shaped part；In other embodiments, working media can also is that hydraulic oil, and the place now using seal member to be in communication with the outside forbay seals.
In other embodiments, space regulation structure can also include hydraulic cylinder and the unthreaded hole being arranged on the gusset plate of forbay, the piston rod of hydraulic cylinder extend into the inside of forbay through unthreaded hole, go deep into the length within forbay by increase piston rod and reduce the size in space, working media place, force working media to push push rod and float vertically and clamp special-shaped part.
For in his embodiment, the gusset plate of forbay can also guide the multiple push rods floated vertically of assembling.
Claims (10)
1. a floating type fixture, it is characterized in that: include forbay, forbay in addition to datum level at least one side pilot seal be equipped with multiple push rod for holding out against special-shaped part floated vertically, one end of push rod is positioned at the inside of forbay, the other end of push rod stretches out forbay, the inside of forbay is provided with the working media for promoting push rod axial float, and forbay is provided with the space adjusting mechanism for adjusting working media place space size.
Floating type fixture the most according to claim 1, it is characterised in that: described push rod is ball head structure for holding out against one end of special-shaped part.
Floating type fixture the most according to claim 2, it is characterized in that: the other end of described push rod is provided with male connection, male connection is connected with nut, described nut includes the cap body that profile is square, offering the blind screw hole being connected with male connection on the end face of one end of cap body, the end contact of the other end of cap body is supported on described working media.
Floating type fixture the most according to claim 3, it is characterized in that: on described push rod, be coaxially equiped with back-moving spring, the top, one end of back-moving spring is pressed in described cap body and offers on the end face of screwed hole one end, and the other end top of back-moving spring is pressed on the medial surface of forbay.
Floating type fixture the most according to claim 1, it is characterized in that: described forbay includes that the gusset plate by substrate, being welded on substrate and the cover plate being threaded on gusset plate are formed, the lateral surface of described substrate constitutes described datum level, on substrate, the periphery in gusset plate offers for fixing the connecting hole being connected with workbench, described cover plate guides and assembles described push rod.
Floating type fixture the most according to claim 5, it is characterised in that: described gusset plate is welded successively by four pieces of side plate first and last, and the weld seam between adjacent biside plate is angle welding.
7. according to the floating type fixture described in any one of claim 1-6, it is characterized in that: described working media includes steel ball, described space regulation structure includes the adjustment screwed hole connected with space, working media place that gusset plate is provided with, and in described adjustment screwed hole, Screw assembly has adjustment screw rod.
Floating type fixture the most according to claim 7, it is characterised in that: described working media also includes having the lubricant lubricating described steel ball effect.
Floating type fixture the most according to claim 8, it is characterised in that: described lubricant is butter.
Floating type fixture the most according to claim 7, it is characterised in that: at screwed hole, it is provided with reinforcing plate on described gusset plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610476847.6A CN106002375B (en) | 2016-06-27 | 2016-06-27 | A kind of floating type fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610476847.6A CN106002375B (en) | 2016-06-27 | 2016-06-27 | A kind of floating type fixture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106002375A true CN106002375A (en) | 2016-10-12 |
| CN106002375B CN106002375B (en) | 2018-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610476847.6A Active CN106002375B (en) | 2016-06-27 | 2016-06-27 | A kind of floating type fixture |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106736405A (en) * | 2016-12-31 | 2017-05-31 | 上海汇众汽车装备制造有限公司 | Back axle pressing machine floats press-loading device entirely |
| CN106903534A (en) * | 2017-03-31 | 2017-06-30 | 苏州亚思科精密数控有限公司 | A kind of jig for tubing workpiece |
| CN107838840A (en) * | 2017-12-21 | 2018-03-27 | 苏州宝特威机电有限公司 | A kind of auto parts and components positioning tool |
| CN108356786A (en) * | 2018-03-04 | 2018-08-03 | 姚森 | A kind of adaptive clamp system of special-shaped workpiece fixture |
| CN108437004A (en) * | 2018-05-21 | 2018-08-24 | 安徽金龙山葛业有限公司 | A kind of cutter of Gegen tablets |
| CN108687870A (en) * | 2018-04-02 | 2018-10-23 | 湖北华亚蜂具木业有限公司 | A kind of multiple blade saw cutting machine |
| CN109514312A (en) * | 2018-12-29 | 2019-03-26 | 重庆亿普机电有限公司 | Part machining tool |
| CN110076364A (en) * | 2019-05-30 | 2019-08-02 | 韩少华 | A kind of special-shaped workpiece clamping device |
| CN110370186A (en) * | 2018-04-12 | 2019-10-25 | 协锐精密工业股份有限公司 | Fulcrum type eyelid retractor |
| CN110625412A (en) * | 2019-09-06 | 2019-12-31 | 北京星航机电装备有限公司 | Universal supporting tool for inner profile based on lathe |
| CN111482920A (en) * | 2020-04-23 | 2020-08-04 | 宁波文泽机电技术开发有限公司 | Switch cabinet body assembling robot |
| CN111638007A (en) * | 2020-04-26 | 2020-09-08 | 河南牛帕力学工程研究院 | Building element testing machine |
| CN112372187A (en) * | 2020-11-06 | 2021-02-19 | 安徽信息工程学院 | Stable and reliable welding positioning device |
| CN112676887A (en) * | 2020-12-23 | 2021-04-20 | 黄建卓 | Convenient pivoted motor circular member punches and uses clamping device when punching |
| CN113183058A (en) * | 2021-04-19 | 2021-07-30 | 湖北宏博汽车工业智能装备有限公司 | Universal clamp |
| CN113681346A (en) * | 2021-10-26 | 2021-11-23 | 徐州新大隆化工泵业制造有限公司 | Efficient-based machine tool for hardware machining |
| CN114289757A (en) * | 2021-12-30 | 2022-04-08 | 杭州临安雄风机械有限公司 | Boring equipment for special-shaped pin holes of injection molding machine piston |
| CN116833920A (en) * | 2023-06-30 | 2023-10-03 | 龙铁纵横（北京）轨道交通科技股份有限公司 | Flexible positioning device for high-speed railway bogie and use method |
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Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106736405A (en) * | 2016-12-31 | 2017-05-31 | 上海汇众汽车装备制造有限公司 | Back axle pressing machine floats press-loading device entirely |
| CN106903534A (en) * | 2017-03-31 | 2017-06-30 | 苏州亚思科精密数控有限公司 | A kind of jig for tubing workpiece |
| CN107838840A (en) * | 2017-12-21 | 2018-03-27 | 苏州宝特威机电有限公司 | A kind of auto parts and components positioning tool |
| CN108356786A (en) * | 2018-03-04 | 2018-08-03 | 姚森 | A kind of adaptive clamp system of special-shaped workpiece fixture |
| CN108687870A (en) * | 2018-04-02 | 2018-10-23 | 湖北华亚蜂具木业有限公司 | A kind of multiple blade saw cutting machine |
| CN110370186A (en) * | 2018-04-12 | 2019-10-25 | 协锐精密工业股份有限公司 | Fulcrum type eyelid retractor |
| CN108437004A (en) * | 2018-05-21 | 2018-08-24 | 安徽金龙山葛业有限公司 | A kind of cutter of Gegen tablets |
| CN109514312A (en) * | 2018-12-29 | 2019-03-26 | 重庆亿普机电有限公司 | Part machining tool |
| CN110076364B (en) * | 2019-05-30 | 2021-06-25 | 浙江奥缔机械股份有限公司 | Special-shaped workpiece clamping device |
| CN110076364A (en) * | 2019-05-30 | 2019-08-02 | 韩少华 | A kind of special-shaped workpiece clamping device |
| CN110625412A (en) * | 2019-09-06 | 2019-12-31 | 北京星航机电装备有限公司 | Universal supporting tool for inner profile based on lathe |
| CN111482920A (en) * | 2020-04-23 | 2020-08-04 | 宁波文泽机电技术开发有限公司 | Switch cabinet body assembling robot |
| CN111638007A (en) * | 2020-04-26 | 2020-09-08 | 河南牛帕力学工程研究院 | Building element testing machine |
| CN112372187A (en) * | 2020-11-06 | 2021-02-19 | 安徽信息工程学院 | Stable and reliable welding positioning device |
| CN112676887A (en) * | 2020-12-23 | 2021-04-20 | 黄建卓 | Convenient pivoted motor circular member punches and uses clamping device when punching |
| CN113183058A (en) * | 2021-04-19 | 2021-07-30 | 湖北宏博汽车工业智能装备有限公司 | Universal clamp |
| CN113681346A (en) * | 2021-10-26 | 2021-11-23 | 徐州新大隆化工泵业制造有限公司 | Efficient-based machine tool for hardware machining |
| CN114289757A (en) * | 2021-12-30 | 2022-04-08 | 杭州临安雄风机械有限公司 | Boring equipment for special-shaped pin holes of injection molding machine piston |
| CN114289757B (en) * | 2021-12-30 | 2023-01-03 | 杭州临安雄风机械有限公司 | Boring equipment for special-shaped pin holes of injection molding machine piston |
| CN116833920A (en) * | 2023-06-30 | 2023-10-03 | 龙铁纵横（北京）轨道交通科技股份有限公司 | Flexible positioning device for high-speed railway bogie and use method |
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|---|---|
| CN106002375B (en) | 2018-08-24 |
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