CN110370046A - Fixture for bacterial type blade root processing - Google Patents

Fixture for bacterial type blade root processing Download PDF

Info

Publication number
CN110370046A
CN110370046A CN201910689688.1A CN201910689688A CN110370046A CN 110370046 A CN110370046 A CN 110370046A CN 201910689688 A CN201910689688 A CN 201910689688A CN 110370046 A CN110370046 A CN 110370046A
Authority
CN
China
Prior art keywords
blade root
type blade
platen
bacterial type
worm gear
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.)
Pending
Application number
CN201910689688.1A
Other languages
Chinese (zh)
Inventor
郑兰兰
鲍伟新
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuxi Aierfu Blade Co Ltd
Original Assignee
Wuxi Aierfu Blade Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Wuxi Aierfu Blade Co Ltd filed Critical Wuxi Aierfu Blade Co Ltd
Priority to CN201910689688.1A priority Critical patent/CN110370046A/en
Publication of CN110370046A publication Critical patent/CN110370046A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02Devices 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
    • B23Q3/06Work-clamping means
    • B23Q3/062Work-clamping means adapted for holding workpieces having a special form or being made from a special material

Abstract

Fixture for bacterial type blade root processing, its versatility that fixture can be improved, the processing of the bacterial type blade root of different arc surface sizes can be met using same equipment, it can avoid manpower caused by due to manufacturing and designing other equipment, the wasting of resources, reduce equipment input cost, it includes platen, driving mechanism is fixed in one end of platen, driving mechanism is worm gear mechanism, worm gear mechanism includes worm gear, the worm screw being meshed with the outer flank of tooth of worm gear, one end of platen is fixed on worm gear close to the side in the center of circle of worm gear, the pressing plate for compressing bacterial type blade root is provided on platen, the other end of milling cutter close to platen on milling machine is arranged, it is corresponding that one end of toothed surface is provided on milling cutter and bacterial type blade root, position is provided with locating slot among the top of platen, the vertical centerline of bacterial type blade root and the vertical centerline of locating slot are parallel , the two sides of locating slot are respectively arranged with a column pressing plate mounting-positioning holes, and each column pressing plate mounting-positioning holes include at least two.

Description

Fixture for bacterial type blade root processing
Technical field
The present invention relates to bacterial type blade root technical field of processing equipment, specially a kind of fixture for bacterial type blade root processing.
Background technique
The quality of core component of the blade as steam turbine, machining accuracy and quality directly affects the property of steam turbine Can, it therefore, when using milling cutter processing blade bacterial type blade root, need to guarantee higher machining accuracy, as shown in Figure 1, Figure 2 be a kind of common Bacterial type blade root, in-between position is provided with toothed surface O, currently, when processing to the toothed surface inside bacterial type blade root, often It is fixed on fixture using by bacterial type blade root, the rose cutter to match with toothed surface shape is installed on numerically-controlled machine tool, makes ball Head milling cutter corresponds to the position that processing toothed surface is needed on bacterial type blade root, cuts and mills out arc surface, currently used bacterial type blade root fixture Versatility is poor, is generally only applicable to the processing of the identical bacterial type blade root of arc surface size, when arc surface size changes When, then it needs to design and manufacture other set equipment and Milling Machining operation is carried out to various sizes of arc surface, in addition equipment Design and manufacture can consume the resources such as a large amount of manpower, material, greatly improve equipment input cost.
Summary of the invention
For the poor universality of the fixture existing in the prior art for bacterial type blade root processing, it is not able to satisfy different circular arcs The design and manufacture of the problem of processing of the bacterial type blade root of face size and an other equipment can consume a large amount of manpower, material Etc. resources, make the problem that equipment input cost is high, the present invention provides it is a kind of for bacterial type blade root processing fixture, can be improved The versatility of fixture can meet the processing of the bacterial type blade root of different arc surface sizes using same equipment, can avoid because setting Meter manufacture other equipment and caused by manpower, the wasting of resources, equipment input cost can be substantially reduced.
A kind of fixture for bacterial type blade root processing comprising driving mechanism is fixed in one end of platen, the platen, It is characterized in that, the driving mechanism is worm gear mechanism, and the worm gear mechanism includes worm gear, the external tooth with the worm gear The worm screw that face is meshed, one end of the platen be fixed on the worm gear close to the worm gear the center of circle side, described The pressing plate for compressing bacterial type blade root is provided on plate, the other end of the milling cutter on milling machine close to the platen is arranged, the milling It is provided with that one end of toothed surface is corresponding on knife and the bacterial type blade root, position is provided with positioning among the top of the platen Slot, the vertical centerline of the bacterial type blade root is parallel with the vertical centerline of the locating slot, the two sides difference of the locating slot A column pressing plate mounting-positioning holes are provided with, pressing plate mounting-positioning holes described in each column include at least two.
It is further characterized by the cross central line phases of the vertical centerline of the bacterial type blade root and the arc surface It hands over, forms intersection point O, when the size of the arc surface of bacterial type blade root changes, the friendship of various sizes of bacterial type blade root arc surface Point O is located on the circular arc for the different radii arranged with the worm gear with concentric circular fashion.
The worm gear mechanism is arranged on bottom plate, and the sliding block phase with the bottom end of the worm gear is provided on the bottom plate Corresponding guide rail;
The support base that the worm screw is arranged in parallel by two is fixed on the bottom plate, the top difference of two support bases It is provided with bearing block, one end of the worm screw is rotatablely installed in one of them described bearing block, and the other end of the worm screw is worn Another described bearing block is crossed to connect with stepper motor or handwheel;
One end of the pressing plate is connect by pin shaft with platen support block, and the other end bottom end of the pressing plate is provided with arcwall face, The shape of the arcwall face is consistent with the shape of outer surface of described bacterial type blade root one end, the bottom end of the supporting block be provided with The corresponding positioning column of the pressing plate mounting-positioning holes, the supporting block are fixed by bolts on the platen, the pressing plate Intermediate position through-hole is set, one end of screw rod passes through the through-hole and fixes with the platen.
Apply the present invention in the clamping operation of the inner toothed surface processing of bacterial type blade root, through bacterial type blade root on platen Different location places the processing, it can be achieved that various sizes of bacterial type blade root arc surface, and bacterial type blade root on platen when moving, bacterium The vertical centerline of type blade root remains parallel with the vertical centerline of locating slot, and bacterial type blade root is along the vertical center of locating slot Line moves up and down, and converts to the position of bacterial type blade root, and bacterial type blade root is made to be located at the different radii arranged with concentric circular fashion Circular arc on, so that the processing of various sizes of bacterial type blade root arc surface can be realized;When processing, bacterial type blade root is placed in platen On locating slot in corresponding position, by pressing plate mounting-positioning holes realize pressing plate positioning, pass through platen and its pressure on top Plate realizes the clamping of bacterial type blade root, since pressing plate mounting-positioning holes include at least two, when the arc surface size of bacterial type blade root is sent out When changing, pressing plate can be fixed in corresponding pressing plate mounting-positioning holes, therefore, can be met by the present apparatus various sizes of The processing and loading clamp of bacterial type blade root arc surface substantially increases the versatility of the present apparatus, avoids because manufacturing and designing other equipment Manpower, the wasting of resources caused by and, greatly reduce equipment input cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the attached view of bacterial type blade root;
Fig. 2 is the schematic cross-sectional view of bacterial type blade root left view;
Fig. 3 is the structural schematic diagram of the vertical view of embodiment one;
Fig. 4 is the structural schematic diagram (omitting milling cutter) of Fig. 3 main view;
The A-A that Fig. 5 is Fig. 4 to structural schematic diagram (omit milling cutter);
Fig. 6 is the structural schematic diagram of the vertical view of embodiment two;
Fig. 7 is the structural schematic diagram (omitting milling cutter) of Fig. 6 main view;
Fig. 8 is the schematic view of the front view of pressing plate of the present invention.
Specific embodiment
See Fig. 1 to Fig. 5, Fig. 8, embodiment one, a kind of fixture for bacterial type blade root processing comprising platen 1, platen 1 One end be fixed on driving mechanism, driving mechanism is worm gear mechanism 2, worm gear mechanism 2 include worm gear 21, with worm gear 21 The worm screw 22 that is meshed of the outer flank of tooth, one end of platen 1 is fixed on worm gear 22 close to the side in the center of circle of worm gear 22, platen 1 On be provided with pressing plate 4 for compressing bacterial type blade root 3, other end cloth of the milling cutter 5 in milling machine (not shown) close to platen 1 It sets, is provided with that one end of toothed surface P is corresponding on milling cutter 5 and bacterial type blade root 3, position is provided with positioning among the top of platen 1 The vertical centerline of slot 11, bacterial type blade root 3 is parallel with the vertical centerline of locating slot 11, and the two sides of locating slot 11 are respectively arranged with One column pressing plate mounting-positioning holes, each column pressing plate mounting-positioning holes include at least two, and each column is provided with four pressures in the present embodiment Plate mounting-positioning holes 12;
When the size of the arc surface of bacterial type blade root 3 changes, various sizes of bacterial type blade root is located at and worm gear is with same On the circular arc of different radii that heart circle mode is arranged, in this implementation when the lesser arc surface of processing dimension, bacterial type blade root 3 is located at platform Close to the side in the center of circle of worm gear 22 on plate 1, pressing plate 4 is fixed on the pressing plate mounting-positioning holes on platen 1 close to 22 center of circle of worm gear In 12, as shown in Fig. 2, one end of pressing plate 4 is connect by pin shaft with platen support block 41, the other end bottom end of pressing plate 4 is provided with The shape of arcwall face 43, arcwall face 43 is consistent with the shape of outer surface of 3 one end of bacterial type blade root, and the bottom end of supporting block 41 is provided with Positioning column corresponding with pressing plate mounting-positioning holes 12, supporting block 41 are fixed by bolts on platen 1, the intermediate position of pressing plate Through-hole is set, and one end of screw rod 42 passes through through-hole and platen 1 is fixed;
Worm gear mechanism 2 is arranged on bottom plate 6, and guide rail corresponding with the sliding block of the bottom end of worm gear 22 is provided on bottom plate 6 61, the support base that worm screw 21 is arranged in parallel by two is fixed on bottom plate 6, and the top of two support bases 62 is respectively arranged with axis Seat is held, in one of bearing block 63, the other end of worm screw 21 passes through another bearing block for one end rotational installation of worm screw 21 64 connect with stepper motor 7, drive worm screw 21 to rotate by stepper motor 7, and the top of support base 62 is provided with protrusion 65, protrusion 65 for realizing worm gear 22 limit.
Apply the present invention in the clamping operation of the inner toothed surface processing of bacterial type blade root, specifically includes the following steps: S1, root According to the size of the arc surface of the bacterial type blade root 3 of preprocessing, suitable clamping position is selected on platen 1;S2, pressing plate 4 is fixed In pressing plate mounting-positioning holes 12, the pressure head end of pressing plate 4 is towards platen 1;Bacterial type blade root 3 is placed in the locating slot of platen 1 by S3 In 11, the vertical centerline of locating slot 11 is parallel with the vertical centerline of bacterial type blade root 3;S4, pressing plate 4 are revolved centered on pin shaft Turn, the upper surface of the trailing edge Q of the tight bacterial type blade root 3 of the pressure head side pressure of pressing plate 4, to realize the clamping of bacterial type blade root 3;S4 is opened Dynamic milling cutter 5 rotates, and it is mobile towards the vertical centerline of bacterial type blade root 3 to center to drive milling cutter, while stepper motor 7 drives worm screw 21 drive worm gear 22 to rotate, and worm gear 22 drives platen 1 to rotate, while the side for driving the bacterial type blade root on platen 1 to advance, retreat Formula rotation, to realize the processing of the arcwall face of bacterial type blade root.
See Fig. 1, Fig. 2, Fig. 6, Fig. 7, Fig. 8, embodiment two, a kind of fixture for bacterial type blade root processing comprising platen 1, driving mechanism is fixed in one end of platen 1, and driving mechanism is worm gear mechanism 2, worm gear mechanism 2 include worm gear 21, The worm screw 22 being meshed with the outer flank of tooth of worm gear 21, one end of platen 1 are fixed on worm gear 22 close to the one of the center of circle of worm gear 22 Side is provided with the pressing plate 4 for compressing bacterial type blade root 3 on platen 1, and the milling cutter 5 in milling machine (not shown) is close to platen 1 Other end arrangement, is provided with that one end of toothed surface P is corresponding on milling cutter 5 and bacterial type blade root 3, and the top centre position of platen 1 is set It is equipped with locating slot 11, the vertical centerline of bacterial type blade root 3 is parallel with the vertical centerline of locating slot 11, the two sides point of locating slot 11 It is not provided with a column pressing plate mounting-positioning holes, each column pressing plate mounting-positioning holes include at least two, each column setting in the present embodiment Four pressing plate mounting-positioning holes 13;
When the size of the arc surface of bacterial type blade root 3 changes, various sizes of bacterial type blade root is located at and worm gear is with same On the circular arc of different radii that heart circle mode is arranged, in this implementation when the biggish arc surface of processing dimension, bacterial type blade root 3 is located at platform The side in the center of circle on plate 1 far from worm gear 22, pressing plate 4 are fixed on the pressing plate mounting-positioning holes on platen 1 far from 22 center of circle of worm gear In 13, as shown in figure 4, one end of pressing plate 4 is connect by pin shaft with platen support block 41, the other end bottom end of pressing plate 4 is provided with The shape of arcwall face, arcwall face is consistent with the shape of outer surface of 3 one end of bacterial type blade root, and the bottom end of supporting block 41 is provided with and presses The corresponding positioning column of plate mounting-positioning holes 13, supporting block 41 are fixed by bolts on platen 1, the intermediate position setting of pressing plate Through-hole, one end of screw rod 42 passes through through-hole and platen 1 is fixed;
Worm gear mechanism 2 is arranged on bottom plate 6, and guide rail corresponding with the sliding block of the bottom end of worm gear 22 is provided on bottom plate 6 61, the support base that worm screw 21 is arranged in parallel by two is fixed on bottom plate 6, and the top of two support bases 62 is respectively arranged with axis Seat is held, in one of bearing block 63, the other end of worm screw 21 passes through another bearing block for one end rotational installation of worm screw 21 64 connect with handwheel 8, drive worm screw 21 to rotate by handwheel 8, and the top of support base 62 is provided with protrusion 65, and protrusion 65 is for real The limit of existing worm gear 22.
Apply the present invention in the clamping operation of the inner toothed surface processing of bacterial type blade root, specifically includes the following steps: S1, root According to the size of the arc surface of the bacterial type blade root 3 of preprocessing, suitable clamping position is selected on platen 1;S2, pressing plate 4 is fixed In pressing plate mounting-positioning holes 13, the pressure head end of pressing plate 4 is towards platen 1;Bacterial type blade root 3 is placed in the locating slot of platen 1 by S3 In 11, the vertical centerline of locating slot 11 is parallel with the vertical centerline of bacterial type blade root 3;S4, pressing plate 4 are revolved centered on pin shaft Turn, the upper surface of the tight bacterial type blade root 3 of the pressure head side pressure of pressing plate 4, to realize the clamping of bacterial type blade root 3;S4, starting milling cutter 5 revolve Turn, and milling cutter is driven to move along the vertical centerline of bacterial type blade root 3 to center, while manually rotating handwheel 8, drives worm screw 21 drive worm gear 22 to rotate, and worm gear 22 drives platen 1 to rotate, while the side for driving the bacterial type blade root on platen 1 to advance, retreat Formula rotation, to realize the processing of the arcwall face of bacterial type blade root.

Claims (4)

1. a kind of fixture for bacterial type blade root processing comprising driving mechanism is fixed in platen, one end of the platen, special Sign is that the driving mechanism is worm gear mechanism, and the worm gear mechanism includes worm gear, the outer flank of tooth with the worm gear The worm screw being meshed, one end of the platen are fixed on the worm gear close to the side in the center of circle of the worm gear, the platen On be provided with pressing plate for compressing bacterial type blade root, the other end of the milling cutter on milling machine close to the platen is arranged, the milling cutter Corresponding with one end of toothed surface is provided on the bacterial type blade root, position is provided with locating slot among the top of the platen, The vertical centerline of the bacterial type blade root is parallel with the vertical centerline of the locating slot, and the two sides of the locating slot are respectively set There are a column pressing plate mounting-positioning holes, pressing plate mounting-positioning holes described in each column include at least two.
2. a kind of fixture for bacterial type blade root processing according to claim 1, which is characterized in that the worm and gear machine Structure is arranged on bottom plate, and guide rail corresponding with the sliding block of the bottom end of the worm gear is provided on the bottom plate.
3. a kind of fixture for bacterial type blade root processing according to claim 1, which is characterized in that the worm screw passes through two The support base of a parallel arrangement is fixed on the bottom plate, and the top of two support bases is respectively arranged with bearing block, described In in one of them described bearing block, the other end of the worm screw passes through another described bearing block for one end rotational installation of worm screw It is connect with stepper motor or handwheel.
4. a kind of fixture for bacterial type blade root processing according to claim 1, which is characterized in that one end of the pressing plate Connect by pin shaft with platen support block, the other end bottom end of the pressing plate is provided with arcwall face, the shape of the arcwall face with The shape of the outer surface of described bacterial type blade root one end is consistent, and the bottom end of the supporting block is provided with and the pressing plate mounting-positioning holes Corresponding positioning column, the supporting block are fixed by bolts on the platen, and through-hole is arranged in the intermediate position of the pressing plate, One end of screw rod passes through the through-hole and fixes with the platen.
CN201910689688.1A 2019-07-29 2019-07-29 Fixture for bacterial type blade root processing Pending CN110370046A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910689688.1A CN110370046A (en) 2019-07-29 2019-07-29 Fixture for bacterial type blade root processing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910689688.1A CN110370046A (en) 2019-07-29 2019-07-29 Fixture for bacterial type blade root processing

Publications (1)

Publication Number Publication Date
CN110370046A true CN110370046A (en) 2019-10-25

Family

ID=68256762

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910689688.1A Pending CN110370046A (en) 2019-07-29 2019-07-29 Fixture for bacterial type blade root processing

Country Status (1)

Country Link
CN (1) CN110370046A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110961951A (en) * 2019-12-23 2020-04-07 天津百利机械装备集团有限公司中央研究院 Positioning fixture for milling blades of water turbine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110961951A (en) * 2019-12-23 2020-04-07 天津百利机械装备集团有限公司中央研究院 Positioning fixture for milling blades of water turbine

Similar Documents

Publication Publication Date Title
CN102729124B (en) Abrasive belt grinding device applicable to inner and outer cambered surfaces of blades of aerospace blisk
CN103753361B (en) A kind of double-ended grinding machine
CN109604698B (en) Multi-station numerical control double-side milling machine
CN110370046A (en) Fixture for bacterial type blade root processing
CN101352823A (en) Edger unit for polaroid
WO2020215509A1 (en) Cutting device for textile cloth production
CN108723480B (en) A kind of machine components chucking device with cutting function
CN208743818U (en) A kind of machine components chucking device with cutting function
CN108972336A (en) A kind of sheet metal polishing clamping tooling carrying out multi-faceted adjusting
CN101823210B (en) Rotary work bench
CN206425597U (en) Edge milling machines
CN102729135A (en) Bidirectional automatic grinding and polishing device
CN202742158U (en) Rod material molding and grinding device
CN111168414A (en) Novel automatic alignment rotary worktable
CN209207251U (en) A kind of grinding machine for cutter machining spiral groove
CN203853794U (en) Rotary working table
CN203751690U (en) Precision boring-milling machine
CN110421447A (en) Special-shaped small precision part grinding device
CN203509173U (en) Cutting machine
CN203599629U (en) Work table for cutting machine
JP2015160287A (en) Gear wheel grinding device including tool mending function
CN202985697U (en) Processing device of tenons of tooth blocks of wooden comb
CN204735763U (en) Lathe of gear shift sense power piece for processing vehicle is exclusively used in
CN109093169B (en) Machine tool for machining motorcycle starting rod
CN201235481Y (en) Edger unit for polarizing filter

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination