CN202780853U - Abrasive flow clamp - Google Patents
Abrasive flow clamp Download PDFInfo
- Publication number
- CN202780853U CN202780853U CN 201220431747 CN201220431747U CN202780853U CN 202780853 U CN202780853 U CN 202780853U CN 201220431747 CN201220431747 CN 201220431747 CN 201220431747 U CN201220431747 U CN 201220431747U CN 202780853 U CN202780853 U CN 202780853U
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- Prior art keywords
- block
- hole
- abrasive
- flow
- anchor clamps
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- 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.)
- Expired - Fee Related
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- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The utility model discloses an abrasive flow clamp. The abrasive flow clamp comprises a bottom plate and a cover plate, wherein the bottom plate comprises a center part and an edge part connected with the center part through a connecting part; a first supporting block is fixedly connected onto the center part; a second supporting block is fixedly connected onto the edge part; a first flow channel is formed between the center part and the edge part; the outer side surface of the first flow channel is an inverted conical surface; a second flow channel is formed between the first supporting block and the second supporting block; a first pressing block is fixedly connected below a cover plate; the cover plate is provided with a first hollow through hole; and the first pressing block is provided with a second hollow through hole which is connected with the first hollow through hole, is gradually increased from top down in diameter and is regular conical. According to the abrasive flow clamp, the processing range of an abrasive flow machine tool is expanded, the deformation of a thin-walled part, in particular a rotary thin-walled part in the processing process is avoided, and the rejection rate in the production process is reduced.
Description
Technical field
The utility model relates to a kind of clamping tool for machine work, particularly a kind of abrasive Flow anchor clamps.
Background technology
Abrasive Flow Machining is to make abrasive material follow carrier mobile as water by applying certain pressure, arrives the die cavity of part and it is carried out the processing technology of the grindings such as polishing.Fig. 1 is the abrasive Flow Machining principle schematic; Referring to shown in Figure 1, the cover plate 1 of anchor clamps and base plate 2 are fixed on workpiece 3 between the vertically opposite upper abrasive material cylinder 4 and lower abrasive material cylinder 5, the piston 7 promotion abrasive materials that lay respectively at abrasive material cylinder 4 and lower abrasive material cylinder 5 are mobile between upper abrasive material cylinder 4 and lower abrasive material cylinder 5 by the die cavity of workpiece 3, thereby realize the polishing to the die cavity of workpiece 3.
Existing abrasive Flow anchor clamps all adopt the vertical run of equal diameter hollow via-hole form as shown in Figure 1, just mean that also the maximum range of work of abrasive Flow Machining all is no more than the interior diameter of abrasive material cylinder, the interior diameter that surpasses the abrasive material cylinder when the part Working position, that is to say when exceeding the machine tooling scope, can only change lathe and process.
In addition, as shown in Figure 1, abrasive Flow Machining is by two vertically opposite abrasive material cylinders, in the middle of workpiece 3 and anchor clamps are fixed on.Abrasive material enters workpiece from an abrasive material cylinder and changes another abrasive material cylinder over to again, back and forth carries out, until finish whole grinding.Therefore, workpiece 3 is in pressured state all the time in process, if part is thin-walled parts, during particularly by tens rotary thin-wall spares that weld parts forms, then is easy to produce distortion in process, causes percent defective increase in the process.
The utility model content
The utility model provides a kind of abrasive Flow anchor clamps, to reduce or to avoid problem noted earlier.
For addressing the above problem, the utility model proposes a kind of abrasive Flow anchor clamps, it comprises that one is used for the base plate is connected with lower abrasive material cylinder and one for the cover plate that is connected with upper abrasive material cylinder,
Described base plate comprises a central part and the edge part that is connected by connecting portion with described central part, be fixedly connected with the first back-up block on the described central part, be fixedly connected with the second back-up block on the described edge part, be provided with first flow between described central part and the described edge part, described first flow lateral surface is the inverted cone surface that diameter increases from the bottom up gradually, the lateral surface diameter on described first flow top is greater than the interior diameter of described lower abrasive material cylinder, be provided with the second runner between described the first back-up block and described the second back-up block, described the second runner bottom and described first flow top equal and opposite in direction also interconnect;
Described cover plate below is fixedly connected with the first briquetting, described cover plate is provided with the first hollow via-hole, described the first briquetting is provided with the second hollow via-hole that is positive taper that the diameter that is connected with described the first hollow via-hole increases from top to bottom gradually, and described the second hollow via-hole bottom diameter is greater than the interior diameter of described upper abrasive material cylinder.
Preferably, be fixedly connected with support tube in the above the second back-up block outside of described edge part.
Preferably, described central part top center is provided with the first locating hole, and described the first back-up block bottom centre is provided with the second locating hole, and described the first locating hole is connected by alignment pin with described the second locating hole.
Preferably, described the first briquetting, described the first back-up block and described the second back-up block are made by nylon.
Preferably, described the first back-up block top is provided with first conical surface parallel with the conical surface of described the second hollow via-hole.
Preferably, described central part upper surface is provided with lightening core.
Abrasive Flow anchor clamps provided by the utility model, it is by adopting the mode of positive back taper combination at anchor clamps, so that can be greater than the interior diameter of abrasive material cylinder by the flow diameter of workpiece, also just enlarged the range of work of abrasive Flow lathe, so that having the workpiece that to process on the abrasive Flow lathe above the interior diameter of abrasive material cylinder now, effectively increased the service efficiency of existing abrasive Flow lathe, the high cost of having avoided the buying new equipment to bring.In addition, by in anchor clamps, using the support tube that has certain flexible nylon parts and the distortion of control anchor clamps is set, make that the stressed of workpiece can be controlled in the process, effectively avoided thin-walled parts, the distortion of the rotary thin-wall spare work in-process that is particularly formed by a plurality of weld parts has reduced the percent defective in the production process.
Description of drawings
The following drawings only is intended to the utility model done and schematically illustrates and explain, does not limit scope of the present utility model.Wherein,
Fig. 1 is the abrasive Flow Machining principle schematic;
Fig. 2 is the working state schematic representation according to the abrasive Flow anchor clamps of a specific embodiment of the present utility model;
Fig. 3 is the partial schematic sectional view of abrasive Flow anchor clamps shown in Figure 2;
Fig. 4 be base plate shown in Figure 3 A to structural representation.
The specific embodiment
Understand for technical characterictic of the present utility model, purpose and effect being had more clearly, now contrast the description of drawings specific embodiment of the present utility model.Wherein, identical parts adopt identical label.
Describe with reference to the accompanying drawings structure and principle thereof according to abrasive Flow anchor clamps of the present utility model in detail.
Fig. 2 is the working state schematic representation according to the abrasive Flow anchor clamps of a specific embodiment of the present utility model; Fig. 3 is the partial schematic sectional view of abrasive Flow anchor clamps shown in Figure 2; Fig. 4 be base plate shown in Figure 3 A to structural representation.Shown in Fig. 2-4, the utility model proposes a kind of abrasive Flow anchor clamps, it comprises that one is used for the base plate 20 is connected with lower abrasive material cylinder 5 and one for the cover plate 10 that is connected with upper abrasive material cylinder 4,
Described base plate 20 comprises a central part 201 and the edge part 202 that is connected by connecting portion with described central part 201, be fixedly connected with the first back-up block 21 on the described central part 201, be fixedly connected with the second back-up block 22 on the described edge part 202, be provided with first flow 61 between described central part 201 and the described edge part 202, described first flow 61 lateral surfaces are the inverted cone surface 611 that diameter increases from the bottom up gradually, the lateral surface diameter on described first flow 61 tops is greater than the interior diameter of described lower abrasive material cylinder 5, be provided with the second runner 62 between described the first back-up block 21 and described the second back-up block 22, described the second runner 62 bottoms and described first flow 61 top equal and opposite in directions also interconnect;
Described cover plate 10 belows are fixedly connected with the first briquetting 11, described cover plate 10 is provided with the first hollow via-hole 101, described the first briquetting 11 is provided with the second hollow via-hole 111 that is positive taper that the diameter that is connected with described the first hollow via-hole 101 increases from top to bottom gradually, and described the second hollow via-hole 111 bottom diameters are greater than the interior diameter of described upper abrasive material cylinder.
For example the workpiece of rotary thin-wall spare can be placed in described the second runner 62, described the first back-up block 21 can be used for rotary thin-wall spare is supported on the one hand, can guide on the other hand abrasive material to pass through from described the first back-up block 21 and described the second runner 62 that described the second back-up block 22 forms, thereby workpiece is processed.
Described cover plate 10, base plate 20 can be steel parts, described central part 201 is used for supporting described the first back-up block 21, the power that described central part 201 bears passes to described edge part 202 by connecting portion, when piston 7 promotes abrasive flow, described first flow 61 is used for abrasive material is guided between described lower abrasive material cylinder 5 and described the second runner 62, and described inverted cone surface 611 is so that the diameter of described the second runner 62 can be greater than the interior diameter of described lower abrasive material cylinder 5.
Described the first briquetting 11 can cooperate with described the first back-up block 21 workpiece is positioned, when piston 7 promotes abrasive flow, described the second hollow via-hole 111 can be with abrasive material guiding between abrasive material cylinder 4 and described the second runner 62 on described, the diameter of described the second hollow via-hole 111 increases from top to bottom gradually, be positive taper, the bottom diameter is greater than the interior diameter of described upper abrasive material cylinder.So just so that the diameter of described the second runner 62 can be greater than the interior diameter of described upper abrasive material cylinder 4.
The mode that adopts positive back taper to be combined by described the second hollow via-hole 111 and described first flow 61, just so that described the second runner 62, the diameter that is to say the runner by workpiece can be greater than the interior diameter of abrasive material cylinder, thereby just enlarged the range of work of abrasive Flow lathe, so that having the workpiece that to process on the abrasive Flow lathe above the interior diameter of abrasive material cylinder now, effectively increased the service efficiency of existing abrasive Flow lathe, the high cost of having avoided the buying new equipment to bring.
In a preferred embodiment, be fixedly connected with support tube 23 in described edge part 202 the above the second back-up block 22 outside.When the Working position of workpiece exceeds the range of work of lathe, lathe when work up and down abrasive material cylinder institute applied pressure can act directly on the part in the anchor clamps by anchor clamps, for thin-walled parts, particularly by tens rotary thin-wall spares that weld parts forms, as abrasive material cylinder institute applied pressure all acts on the part about allowing, and then is easy to make part to produce distortion.Described support tube 23 can be steel part, in part being positioned over described abrasive Flow anchor clamps, when described upper abrasive material cylinder 4 is not exerted pressure to described cover plate 10, directly do not contact between described support tube 23 and the described cover plate 10, has certain distance h, for example described distance h can be 0.5-8mm, after described upper abrasive material cylinder 4 is exerted pressure to described cover plate 10, described the first briquetting 11 contacts with described part and gradually described part is compressed, continuous increase along with pressure, described the first briquetting 11, described the first back-up block 21 produces strain with described the second back-up block 22, its height dimension can diminish, along with constantly diminishing of size, under the effect of described cover plate 10 abrasive material cylinder 4 on described gradually near described support tube 23 until be in contact with one another.Like this, 4 applied pressures of described upper abrasive material cylinder are just shared by described support tube 23, and can all not transfer on the described part, thereby also just can prevent described part work in-process distortion.
In a preferred embodiment, shown in Fig. 2-3, described central part 201 top center are provided with the first locating hole 203, and described the first back-up block 21 bottom centre are provided with the second locating hole 211, and described the first locating hole 203 is connected by alignment pin with described the second locating hole 211.Like this can be so that the assembling of described the first back-up block 21 and described central part 201.
In a preferred embodiment, described the first briquetting 11, described the first back-up block 21 and described the second back-up block 22 are made by nylon.Because nylon material is convenient to utilize the injection molding manufacturing, so just can be to described the first briquetting 11, described the first back-up block 21 and described the second back-up block 22 manufacture and design, in addition because nylon material possesses certain elasticity, can also avoid described the first briquetting 11, described the first back-up block 21 and described the second back-up block 22 cause damage to piece surface in the clamping position process to part, in addition, can also be conducive to described the first briquetting 11, easier generation elastic deformation after described the first back-up block 21 and described the second back-up block 22 abrasive material cylinder 4 on described is exerted pressure to described cover plate 10, share thereby be conducive to 23 pairs of described upper abrasive material cylinder 4 applied pressures of described support tube, prevent the distortion of part work in-process.
In a preferred embodiment, described the first back-up block 21 tops are provided with first conical surface 212 parallel with the conical surface of described the second hollow via-hole 111.Like this can be so that described the first briquetting 11 carries out clamping with 21 pairs of rotary thin-wall spares of described the first back-up block.
In a preferred embodiment, described central part 201 upper surfaces are provided with lightening core 204.Can in the situation that ensures intensity, alleviate the weight of described base plate 20 like this.
Abrasive Flow anchor clamps provided by the utility model, it is by adopting the mode of positive back taper combination at anchor clamps, so that can be greater than the interior diameter of abrasive material cylinder by the flow diameter of workpiece, also just enlarged the range of work of abrasive Flow lathe, so that having the workpiece that to process on the abrasive Flow lathe above the interior diameter of abrasive material cylinder now, effectively increased the service efficiency of existing abrasive Flow lathe, the high cost of having avoided the buying new equipment to bring.In addition, by in anchor clamps, using the support tube that has certain flexible nylon parts and the distortion of control anchor clamps is set, make that the stressed of workpiece can be controlled in the process, effectively avoided thin-walled parts, particularly by the distortion of tens the rotary thin-wall spare that weld parts forms work in-processes, reduced the percent defective in the production process.
Although it will be appreciated by those skilled in the art that the utility model is that mode according to a plurality of embodiment is described, and is not that each embodiment only comprises an independently technical scheme.Narration like this only is for the sake of clarity in the specification; those skilled in the art should make specification as a wholely to be understood, and regard technical scheme related among each embodiment as the mode that can mutually be combined into different embodiment understand protection domain of the present utility model.
The above only is the schematic specific embodiment of the utility model, is not to limit scope of the present utility model.Any those skilled in the art, the equivalent variations of doing under the prerequisite that does not break away from design of the present utility model and principle, modification and combination all should belong to the scope that the utility model is protected.
Claims (6)
1. abrasive Flow anchor clamps, it comprises that one is used for the base plate that is connected with lower abrasive material cylinder and one and it is characterized in that for the cover plate that is connected with upper abrasive material cylinder,
Described base plate comprises a central part and the edge part that is connected by connecting portion with described central part, be fixedly connected with the first back-up block on the described central part, be fixedly connected with the second back-up block on the described edge part, be provided with first flow between described central part and the described edge part, described first flow lateral surface is the inverted cone surface that diameter increases from the bottom up gradually, the lateral surface diameter on described first flow top is greater than the interior diameter of described lower abrasive material cylinder, be provided with the second runner between described the first back-up block and described the second back-up block, described the second runner bottom and described first flow top equal and opposite in direction also interconnect;
Described cover plate below is fixedly connected with the first briquetting, described cover plate is provided with the first hollow via-hole, described the first briquetting is provided with the second hollow via-hole that is positive taper that the diameter that is connected with described the first hollow via-hole increases from top to bottom gradually, and described the second hollow via-hole bottom diameter is greater than the interior diameter of described upper abrasive material cylinder.
2. abrasive Flow anchor clamps according to claim 1 is characterized in that, are fixedly connected with support tube in the above the second back-up block outside of described edge part.
3. abrasive Flow anchor clamps according to claim 1, it is characterized in that, described central part top center is provided with the first locating hole, and described the first back-up block bottom centre is provided with the second locating hole, and described the first locating hole is connected by alignment pin with described the second locating hole.
4. abrasive Flow anchor clamps according to claim 1 is characterized in that, described the first briquetting, described the first back-up block and described the second back-up block are made by nylon.
5. abrasive Flow anchor clamps according to claim 1 is characterized in that, described the first back-up block top is provided with first conical surface parallel with the conical surface of described the second hollow via-hole.
6. abrasive Flow anchor clamps according to claim 1 is characterized in that, described central part upper surface is provided with lightening core.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220431747 CN202780853U (en) | 2012-08-26 | 2012-08-26 | Abrasive flow clamp |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN 201220431747 CN202780853U (en) | 2012-08-26 | 2012-08-26 | Abrasive flow clamp |
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CN202780853U true CN202780853U (en) | 2013-03-13 |
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CN 201220431747 Expired - Fee Related CN202780853U (en) | 2012-08-26 | 2012-08-26 | Abrasive flow clamp |
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Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104551985A (en) * | 2014-12-12 | 2015-04-29 | 长春理工大学 | General clamp for abrasive flow polishing of complicated hole surface |
CN105252408A (en) * | 2015-11-07 | 2016-01-20 | 靖江先锋半导体科技有限公司 | Grinding and polishing clamp for inner walls of holes |
CN105710734A (en) * | 2016-04-29 | 2016-06-29 | 沈阳透平机械股份有限公司 | Circulating impeller inner flow channel polishing device and method |
CN105881186A (en) * | 2016-06-12 | 2016-08-24 | 长春理工大学 | Solid-liquid phase flow internal gear polishing device |
CN107309651A (en) * | 2017-06-28 | 2017-11-03 | 贵州黎阳国际制造有限公司 | The clamp for machining and processing method of a kind of special-shaped groove |
CN107866729A (en) * | 2017-10-30 | 2018-04-03 | 首都航天机械公司 | A kind of titanium alloy pipe fitting inner wall powder minimizing technology and fixture |
CN110587467A (en) * | 2019-10-09 | 2019-12-20 | 无锡威孚马山油泵油嘴有限公司 | Plunger bushing abrasive particle oil flow hole deburring device |
CN111113251A (en) * | 2019-12-27 | 2020-05-08 | 国营第六一六厂 | Flexible clamp for abrasive flow |
CN111421400A (en) * | 2020-05-15 | 2020-07-17 | 沈阳飞机工业(集团)有限公司 | Abrasive flow clamp for tubular part and using method |
CN112091815A (en) * | 2020-06-30 | 2020-12-18 | 南京浦航机械科技开发有限公司 | Special clamp for flow channel between blades of abrasive particle flow polishing closed type blisk |
CN113910096A (en) * | 2021-10-26 | 2022-01-11 | 中国航发沈阳黎明航空发动机有限责任公司 | Abrasive particle flow finishing device and method for annular part flow channel |
CN114161310A (en) * | 2021-11-25 | 2022-03-11 | 南京晨光集团有限责任公司 | Shape-following abrasive particle flow clamp for titanium alloy integral impeller |
-
2012
- 2012-08-26 CN CN 201220431747 patent/CN202780853U/en not_active Expired - Fee Related
Cited By (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104551985A (en) * | 2014-12-12 | 2015-04-29 | 长春理工大学 | General clamp for abrasive flow polishing of complicated hole surface |
CN105252408A (en) * | 2015-11-07 | 2016-01-20 | 靖江先锋半导体科技有限公司 | Grinding and polishing clamp for inner walls of holes |
CN105252408B (en) * | 2015-11-07 | 2017-08-29 | 靖江先锋半导体科技有限公司 | A kind of hole inwall grinding and polishing fixture |
CN105710734A (en) * | 2016-04-29 | 2016-06-29 | 沈阳透平机械股份有限公司 | Circulating impeller inner flow channel polishing device and method |
CN105881186A (en) * | 2016-06-12 | 2016-08-24 | 长春理工大学 | Solid-liquid phase flow internal gear polishing device |
CN107309651B (en) * | 2017-06-28 | 2019-05-14 | 贵州黎阳国际制造有限公司 | A kind of clamp for machining and processing method of abnormity through slot |
CN107309651A (en) * | 2017-06-28 | 2017-11-03 | 贵州黎阳国际制造有限公司 | The clamp for machining and processing method of a kind of special-shaped groove |
CN107866729B (en) * | 2017-10-30 | 2019-12-20 | 首都航天机械公司 | Method and clamp for removing powder on inner wall of titanium alloy pipe fitting |
CN107866729A (en) * | 2017-10-30 | 2018-04-03 | 首都航天机械公司 | A kind of titanium alloy pipe fitting inner wall powder minimizing technology and fixture |
CN110587467A (en) * | 2019-10-09 | 2019-12-20 | 无锡威孚马山油泵油嘴有限公司 | Plunger bushing abrasive particle oil flow hole deburring device |
CN111113251A (en) * | 2019-12-27 | 2020-05-08 | 国营第六一六厂 | Flexible clamp for abrasive flow |
CN111421400A (en) * | 2020-05-15 | 2020-07-17 | 沈阳飞机工业(集团)有限公司 | Abrasive flow clamp for tubular part and using method |
CN111421400B (en) * | 2020-05-15 | 2021-07-09 | 沈阳飞机工业(集团)有限公司 | Abrasive flow clamp for tubular part and using method |
CN112091815A (en) * | 2020-06-30 | 2020-12-18 | 南京浦航机械科技开发有限公司 | Special clamp for flow channel between blades of abrasive particle flow polishing closed type blisk |
CN113910096A (en) * | 2021-10-26 | 2022-01-11 | 中国航发沈阳黎明航空发动机有限责任公司 | Abrasive particle flow finishing device and method for annular part flow channel |
CN113910096B (en) * | 2021-10-26 | 2023-10-03 | 中国航发沈阳黎明航空发动机有限责任公司 | Abrasive particle flow finishing device and method for annular part runner |
CN114161310A (en) * | 2021-11-25 | 2022-03-11 | 南京晨光集团有限责任公司 | Shape-following abrasive particle flow clamp for titanium alloy integral impeller |
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Legal Events
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder |
Address after: 412002 Dong Jiaduan, Zhuzhou, Hunan Patentee after: China Hangfa South Industrial Co. Ltd. Address before: 412002 Dong Jiaduan, Zhuzhou, Hunan Patentee before: China Southern Airlines Industry (Group) Co., Ltd. |
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CP01 | Change in the name or title of a patent holder | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20200826 |
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CF01 | Termination of patent right due to non-payment of annual fee |