CN204430837U - A kind of fixture for high temperature alloy precision castings blade processing - Google Patents
A kind of fixture for high temperature alloy precision castings blade processing Download PDFInfo
- Publication number
- CN204430837U CN204430837U CN201420677561.0U CN201420677561U CN204430837U CN 204430837 U CN204430837 U CN 204430837U CN 201420677561 U CN201420677561 U CN 201420677561U CN 204430837 U CN204430837 U CN 204430837U
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- blade
- push rod
- fixture
- high temperature
- clamping device
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Abstract
The utility model provides a kind of fixture for high temperature alloy precision castings blade processing, its formation comprises self-centering keyset, the pedestal be arranged on self-centering keyset, be fixedly mounted on pedestal for the top clamping device of clamping blade tenon two ends center positioning hole, for clamping blade tenon vibration damping groove push rod clamping device, for locate clamping blade point cross section positioning and clamping mechanism, described top clamping device is made up of two top top assemblies acted on mutually with blade tenon two ends center positioning hole respectively of its component; Described tenon vibration damping groove surface push rod clamping device is by the push rod component acted on mutually with blade tenon back vibration damping groove and form with the push rod component that blade tenon pelvic part vibration damping groove acts on mutually; Described blade point cross section positioning and clamping mechanism holds down assembly form by the positioning seat assembly of locating for back, blade tip cross section with for compressing blade tip cross section leading edge.The utility model has convenient mounting and clamping, quick, accurate positioning and the advantage such as reproducible.
Description
Technical field
The utility model relates to blade of aviation engine processing technique field, is specifically related to a kind of frock clamp for high temperature alloy precision castings blade processing.
Background technology
The processing and manufacturing of high temperature alloy precision casting blade is a difficult problem at aviation always.High temperature alloy precision casting blade machinability is poor, and blade machining adopts cast low-melting alloy square chest location usually, as shown in Figure 1.There is following shortcoming in the processing of cast low-melting alloy square chest locate mode:
1, processing efficiency is lower, the process-cycle long, circulation difficulty, seriously constrains the batch production of precision castings blade.
2, square chest cast low-melting alloy location is adopted, low-melting alloy not only directly contacts with blade surface, the molten low-melting alloy moved back on removing blade surface is needed after blade machining completes, and thoroughly remove more difficult, and equipment, frock etc. are polluted also comparatively large, also need to melt and move back low-melting alloy.And molten move back low-melting alloy and need set up the independent production line that depollutes, cost is higher.
3, there is Reference Transforming error.Most of machining dimension of locating in cast fixture square chest is all by above design drawing size conversion to square chest.There is the Reference misalignment that conversion designs figure size produces, cause deviation accumulation, be unfavorable for the strictest control design case figure size.
4, after existence is melted and moved back low-melting alloy, most of design size cannot test problems.Most of machining dimension of cast fixture square chest location is all by above design drawing size conversion to square chest, melts after moving back low-melting alloy and cannot detect finished size, bring difficulty to subsequent repair during finished product.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of fixture processing high temperature alloy precision castings blade, to enhance productivity, to shorten the process-cycle, reduce costs, elimination low-melting alloy pollutes, and improves machining accuracy, eliminates Reference Transforming error.
The fixture of the processing high temperature alloy precision castings blade that the utility model provides, its formation mainly comprises, be arranged on the self-centering keyset on platen, be arranged on the pedestal on self-centering keyset, be fixedly mounted on the top clamping device for clamping blade tenon two ends center positioning hole on pedestal, for the push rod clamping device of clamping blade tenon vibration damping groove, for locating the positioning and clamping mechanism in clamping blade point cross section, described top clamping device is made up of two top top assemblies acted on mutually with blade tenon two ends center positioning hole respectively of its component, wherein the spike member of at least one assembly is can regulate folder position, top along top center line, described tenon vibration damping groove surface push rod clamping device is by the push rod component acted on mutually with blade tenon back vibration damping groove and form with the push rod component that blade tenon pelvic part vibration damping groove acts on mutually, and wherein at least one push rod component is automatic impaction push rod component, described blade point cross section positioning and clamping mechanism holds down assembly form by the blade tip cross section positioning seat assembly of locating for back, blade tip cross section with for compressing blade tip cross section leading edge.
In technique scheme of the present utility model, two top assemblies of described top clamping device, paying the utmost attention to a top component design is the top top assembly that can regulate folder position, top along top center line of its component, and one is the top fixing top assembly of component.Further, described rolling center assembly can be considered to be designed to form by the first bearing be fixedly mounted in pedestal stand part with by the rolling center that screw thread pair is arranged on the first bearing; Described stationary center assembly is made up of the stationary center on the second bearing be fixedly mounted in pedestal stand part and fixed installation the second bearing.
In technique scheme of the present utility model, two push rod component of described formation push rod clamping device, pay the utmost attention to and be designed to automatic impaction push rod component by one, one is the push rod component of adjustable compacted position, to ensure that push rod top contacts with blade tenon vibration damping groove surface all the time, realize the automatic adjustment aiding support to blade tenon vibration damping groove surface, improve the rigidity of blade work in-process, ensure the stability of processing dimension, improve machining accuracy and surface roughness.Further, the push rod component of described adjustable compacted position, can pay the utmost attention to the seat bar that is designed to be connected with two columns by the first column be fixedly mounted on top clamping device first bearing, the second column be fixedly mounted on top clamping device second bearing, two ends and be arranged on the first push rod in seat bar by screw thread pair and form.The spring that described automatic impaction push rod component is positioned at anterior the second overhanging push rod of top stem casing pipe by push rod sleeve pipe, rear portion, be arranged on the spring base of push rod sleeve pipe one end by screw thread pair and be positioned at push rod sleeve pipe is formed, one end of described spring acts on the second push rod tail end, and the other end makes in spring base.
In technique scheme of the present utility model, form the described blade tip cross section positioning seat assembly of blade point cross section positioning and clamping mechanism, two guide pads be up and down designed to by being fixedly mounted on by keeper and fixture in pedestal stand part can be paid the utmost attention to form with the keeper being designed with guided way structure, guided way structure on keeper is T-shaped guide rail structure, the T-shaped guide-track groove formed with upper and lower two guide pads coordinates and forms sliding pair, keeper is designed with locating blades blade tip cross section back structures and supporting blade blade tip cross section leading edge point structure.The described blade tip cross section leading edge forming blade point cross section positioning and clamping mechanism holds down assembly, and can pay the utmost attention to and is designed to by the blade tip cross section compressing support be fixedly mounted in pedestal stand part and is arranged on by screw thread pair and compressing support compresses bar forms.
In technique scheme of the present utility model, the base portion central design of described pedestal has the bottom outlet sunk to for linear leaf integral shroud part, exceed fixture integral shroud part for linear leaf and sink to bottom outlet, solve large-sized high-temperature alloy precision castings because of length and width and exceed normal ranges processing difficulties problem.
In technique scheme of the present utility model, described self-centering keyset is designed with two pin-and-holes by pin and base stand location, the center of two pin-and-hole spacing is concentric with the cylindrical of equipment rotating disk, after ensureing that fixture is loaded onto, keyset center, Central of the parts overlap with lathe pivot, after realizing processing parts tenon one side, lathe turntable drives clamp body to turn over the high accuracy side set function of turnback reprocessing part tenon another side.
In technique scheme of the present utility model, the base two ends of pedestal are respectively equipped with 2 U-type groove, for equipment workbench clamping with the use of.
The fixture of the processing high temperature alloy precision castings blade that the utility model provides, compared with the cast low-melting alloy square chest adopted, has following very outstanding technological merit and useful technique effect with the high temperature alloy precision castings blade processing of prior art:
1, due to processing high temperature alloy precision castings blade fixture described in the utility model, the base of pedestal and self-centering keyset are located by connecting by two pin-and-hole pins, for different leaves processing, fixture can quick centring, adjustment, clamping, clamping blade is convenient and swift.
2, processing high temperature alloy precision castings blade fixture described in the utility model, base medium design has and exceeds for linear leaf the slotted eye that fixture integral shroud part sinks to, and solves large-sized high-temperature alloy precision castings because of length and width and exceeds normal ranges processing difficulties problem.
3, processing high temperature alloy precision castings blade fixture described in the utility model is when locating Clamp blocks, adopts Double Tops point location, compresses mode, improve Dimension Measurement precision, and convenient mounting and clamping, quick, repeatability precision is high.
4, the push rod clamping device of processing high temperature alloy precision castings blade fixture described in the utility model, its specially designed automatic adjustment push rod component, ensure that push rod top contacts with blade tenon vibration damping groove surface all the time, realize the automatic adjustment aiding support to blade tenon vibration damping groove surface, improve the rigidity of blade work in-process, ensure the stability of processing dimension, improve part processing precision, surface roughness and working (machining) efficiency.
5, processing high temperature alloy precision castings blade fixture described in the utility model, compared with traditional cast square chest, because the basic mode of installing location is different, substantially increase convenient mounting and clamping, agility, Position location accuracy, clamping repeatability, compared with pouring into a mould square chest fixture with tradition, shorten production cycle 20-25 days.Tradition cast jig Design, manufacture, complicated operation, pollute greatly, need build the special production line that depollutes, cost is high.Processing high temperature alloy precision castings blade fixture described in the utility model, cost-saving 20% (tradition cast fixture cost 4000 ~ 45000 yuan/part, high temperature alloy precision castings blade fixture of the present utility model only needs 3200 ~ 3600 yuan/part) of single-stage.
6, processing high temperature alloy precision castings blade fixture described in the utility model adopts two top location clamping modes, completely eliminates the low-melting alloy pollution problem that tradition cast square chest fixture exists.
7, processing high temperature alloy precision castings blade fixture highly versatile described in the utility model, the processing of all kinds of high temperature alloy precision castings blade can be widely used in, be applicable to small lot, single batch production, produce in enormous quantities be used in raise the efficiency, cost-saving upper Be very effective.
Accompanying drawing explanation
Fig. 1 is shape and the organigram of traditional cast square chest fixture;
Fig. 2 is the perspective view of processing high temperature alloy precision castings blade fixture described in the utility model;
Fig. 3 is the plan structure schematic diagram of processing high temperature alloy precision castings blade fixture described in the utility model;
Fig. 4 is the right TV structure schematic diagram of processing high temperature alloy precision castings blade fixture described in the utility model;
Fig. 5 is described self-centering keyset 22 structural representation;
Fig. 6 is the structural representation of described automatic push rod component;
Fig. 7 is push rod 18 structural representation of automatic push rod component;
Fig. 8 is push rod sleeve pipe 20 structural representation of automatic push rod component;
Fig. 9 is top 13 structural representations of described rolling center assembly;
Figure 10 is the organigram of described first bearing 12;
Figure 11 is the structural representation of described blade tip cross section positioning seat assembly;
Figure 12 is the structural representation of the described bearing 17 that blade tip cross section leading edge holds down assembly;
Figure 13 is a kind of processed blade construction schematic diagram.
In above-mentioned accompanying drawing, the object of each shown by reference numeral mark is respectively: 1-pedestal; 2-keeper; 3-screw; 4-alignment pin; 5-guide pad; 6-the first column; 7-thin nut; 8-seat bar; 9-the second column; 10-the first push rod; 11-band shoulder nut; 12-the first bearing, 13-rolling center; 14-stationary center; 15-the second bearing; 16-compress bar; 17-blade tip cross section compressing support; 18-the second push rod; 19-spring; 20-push rod sleeve pipe; 21-spring base; 22-self-centering keyset.
Detailed description of the invention
Provide embodiment of the present utility model below in conjunction with accompanying drawing, and by embodiment, the utility model is further described specifically.What be necessary to herein means out is; embodiment is only for the utility model is described in further detail; the restriction to the utility model protection domain can not be interpreted as; the person skilled in the art in this field can make some nonessential improvement according to above-mentioned content of the present utility model and adjustment is implemented, but such enforcement should still belong to protection domain of the present utility model.
Embodiment 1
In the present embodiment, described processing high temperature alloy precision castings blade fixture is the blade tenon for processing the precision castings of high temperature alloy shown in Figure 13 blade, the shape of described processing high temperature alloy precision castings blade fixture and structure are as Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11, shown in Figure 12, primarily of the self-centering keyset 22 be arranged on platen, be arranged on the pedestal 1 on self-centering keyset, be fixedly mounted on the top clamping device for clamping blade tenon two ends center positioning hole on pedestal, for push rod 18 clamping device of clamping blade tenon vibration damping groove, positioning and clamping mechanism for locating clamping blade point cross section is formed.Described top clamping device is made up of two top top assemblies acted on mutually with blade tenon two ends center positioning hole respectively of its component, one of them assembly is the top top assembly that can regulate folder position, top along top center line, one is top fixing top assembly, and described rolling center assembly is formed by the first bearing 12 be fixedly mounted in pedestal stand part with by the rolling center 13 that screw thread pair is arranged on the first bearing; Described stationary center assembly is made up of the stationary center 14 on the second bearing 15 be fixedly mounted in pedestal stand part and fixed installation the second bearing.Described tenon vibration damping groove surface push rod clamping device is by the push rod component acted on mutually with blade tenon back vibration damping groove and form with the push rod component that blade tenon pelvic part vibration damping groove acts on mutually, one of them push rod component is automatic impaction push rod component, and another is the push rod component of adjustable compacted position; The push rod component of described adjustable compacted position, the seat bar 8 be fixedly connected by the first column 6 be fixedly mounted on top clamping device first bearing 12, the second column 9 be fixedly mounted on top clamping device second bearing 15, two ends and two columns and be arranged on the first push rod 10 in seat bar by screw thread pair and form, the termination of push rod is spherical; The spring 19 that described automatic impaction push rod component is positioned at anterior the second overhanging push rod 18 of top stem casing pipe by push rod sleeve pipe 20, rear portion, be arranged on the spring base 21 of push rod sleeve pipe one end by screw thread pair and be positioned at push rod sleeve pipe is formed, one end of described spring acts on the second push rod tail end, the other end makes in spring base, and the termination of push rod is spherical.Described blade point cross section positioning and clamping mechanism holds down assembly form by the blade tip cross section positioning seat assembly of locating for back, blade tip cross section with for compressing blade tip cross section leading edge, wherein said blade tip cross section positioning seat assembly is made up of with the keeper 2 being designed with guided way structure two guide pads 5 be up and down fixedly mounted on by keeper and fixture in pedestal stand part, guided way structure on keeper is T-shaped guide rail structure, the T-shaped guide-track groove formed with upper and lower two guide pads coordinates and forms sliding pair, keeper is designed with locating blades blade tip cross section back structures and supporting blade blade tip cross section leading edge point structure, described blade tip cross section leading edge holds down assembly, and by the blade tip cross section compressing support 17 be fixedly mounted in pedestal stand part be arranged on by screw thread pair and compressing support compresses bar 16 form, the termination compressing bar 16 compresses blade tip cross section leading edge.Described pedestal 1 base portion two ends be designed with respectively 2 with equipment workbench clamping with the use of U-type groove, central design has the bottom outlet sunk to for linear leaf integral shroud part.Described self-centering keyset 22 is designed with two pin-and-holes by pin and base stand location, the center of two pin-and-hole spacing is concentric with the cylindrical of equipment rotating disk.
Claims (10)
1. the fixture for high temperature alloy precision castings blade processing, it is characterized in that, mainly comprise the self-centering keyset (22) be arranged on platen, be arranged on the pedestal (1) on self-centering keyset, be fixedly mounted on the top clamping device for clamping blade tenon two ends center positioning hole on pedestal, for the push rod clamping device of clamping blade tenon vibration damping groove, for locating the positioning and clamping mechanism in clamping blade point cross section, described top clamping device is made up of two top top assemblies acted on mutually with blade tenon two ends center positioning hole respectively of its component, wherein the spike member of at least one assembly is can regulate folder position, top along top center line, described tenon vibration damping groove surface push rod clamping device is by the push rod component acted on mutually with blade tenon back vibration damping groove and form with the push rod component that blade tenon pelvic part vibration damping groove acts on mutually, and wherein at least one push rod component is automatic impaction push rod component, described blade point cross section positioning and clamping mechanism holds down assembly form by the blade tip cross section positioning seat assembly of locating for back, blade tip cross section with for compressing blade tip cross section leading edge.
2. the fixture for high temperature alloy precision castings blade processing according to claim 1, it is characterized in that, two top assemblies of described top clamping device, one is the top rolling center assembly that can regulate folder position, top along top center line, and one is top fixing stationary center assembly.
3. the fixture for high temperature alloy precision castings blade processing according to claim 2, it is characterized in that, described rolling center assembly is formed by the first bearing (12) be fixedly mounted in pedestal stand part with by the rolling center (13) that screw thread pair is arranged on the first bearing (12); Described stationary center assembly is made up of the stationary center (14) on the second bearing (15) be fixedly mounted in pedestal stand part and fixed installation the second bearing (15).
4. the fixture for high temperature alloy precision castings blade processing according to claim 1, is characterized in that, form two push rod component of push rod clamping device, one is automatic impaction push rod component, and one is the push rod component of adjustable compacted position.
5. the fixture for high temperature alloy precision castings blade processing according to claim 4, it is characterized in that, form the push rod component of the described adjustable compacted position of push rod clamping device, the seat bar (8) connected with two columns by the first column (6) be fixedly mounted on top clamping device first bearing (12), the second column (9) be fixedly mounted on top clamping device second bearing (15), two ends and be arranged on the first push rod (10) in seat bar by screw thread pair and form.
6. the fixture for high temperature alloy precision castings blade processing according to claim 4, it is characterized in that, the spring (19) that the described automatic impaction push rod component forming push rod clamping device is positioned at overhanging the second push rod (18) in top stem casing front portion by push rod sleeve pipe (20), rear portion, be arranged on the spring base (21) of push rod sleeve pipe one end by screw thread pair and be positioned at push rod sleeve pipe is formed, one end of described spring acts on the second push rod tail end, and the other end makes in spring base.
7. the fixture for high temperature alloy precision castings blade processing according to claim 1, it is characterized in that, form the described blade tip cross section positioning seat assembly of blade point cross section positioning and clamping mechanism, be made up of two guide pads (5) be up and down fixedly mounted on by keeper and fixture in pedestal stand part and the keeper (2) that is designed with guided way structure, guided way structure on keeper is T-shaped guide rail structure, the T-shaped guide-track groove formed with upper and lower two guide pads coordinates and forms sliding pair, keeper is designed with locating blades blade tip cross section back structures and supporting blade blade tip cross section leading edge point structure.
8. the fixture for high temperature alloy precision castings blade processing according to claim 1, it is characterized in that, the described blade tip cross section leading edge forming blade point cross section positioning and clamping mechanism holds down assembly, by blade tip cross section compressing support (17) be fixedly mounted in pedestal stand part be arranged on by screw thread pair and compressing support compresses bar (16) form.
9. according to the fixture for high temperature alloy precision castings blade processing one of claim 1 to 8 Suo Shu, it is characterized in that, the base portion central design of described pedestal (1) has the bottom outlet sunk to for linear leaf integral shroud part.
10. according to the fixture for high temperature alloy precision castings blade processing one of claim 1 to 8 Suo Shu, it is characterized in that, described self-centering keyset is designed with two pin-and-holes by pin and base stand location, the center of two pin-and-hole spacing is concentric with the cylindrical of equipment rotating disk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420677561.0U CN204430837U (en) | 2014-11-13 | 2014-11-13 | A kind of fixture for high temperature alloy precision castings blade processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420677561.0U CN204430837U (en) | 2014-11-13 | 2014-11-13 | A kind of fixture for high temperature alloy precision castings blade processing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204430837U true CN204430837U (en) | 2015-07-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420677561.0U Expired - Fee Related CN204430837U (en) | 2014-11-13 | 2014-11-13 | A kind of fixture for high temperature alloy precision castings blade processing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204430837U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104369020A (en) * | 2014-11-13 | 2015-02-25 | 四川成发航空科技股份有限公司 | Fixture for machining of high-temperature alloy precision casting blade |
| CN105344975A (en) * | 2015-11-26 | 2016-02-24 | 沈阳黎明航空发动机(集团)有限责任公司 | Datum transformation fixture and datum transformation method for guide blades |
| CN108312062A (en) * | 2018-04-09 | 2018-07-24 | 山西三联顺驰汽车配件有限公司 | A kind of cleaning turnover fixture |
-
2014
- 2014-11-13 CN CN201420677561.0U patent/CN204430837U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104369020A (en) * | 2014-11-13 | 2015-02-25 | 四川成发航空科技股份有限公司 | Fixture for machining of high-temperature alloy precision casting blade |
| CN105344975A (en) * | 2015-11-26 | 2016-02-24 | 沈阳黎明航空发动机(集团)有限责任公司 | Datum transformation fixture and datum transformation method for guide blades |
| CN105344975B (en) * | 2015-11-26 | 2017-10-24 | 沈阳黎明航空发动机(集团)有限责任公司 | A kind of guide vane Reference Transforming fixture and Reference Transforming method |
| CN108312062A (en) * | 2018-04-09 | 2018-07-24 | 山西三联顺驰汽车配件有限公司 | A kind of cleaning turnover fixture |
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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 | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Xindu District of Chengdu city in Sichuan province 610503 Shulong avenue into the industrial park into the Group Technology Center Patentee after: China Hangfa aviation Polytron Technologies Inc Address before: Xindu District of Chengdu city in Sichuan province 610503 Shulong avenue into the industrial park into the Group Technology Center Patentee before: Sichuan Chengfa Aviation Science & Technology Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150701 Termination date: 20171113 |