CN104802078B - Index flat surface grinding frock - Google Patents

Index flat surface grinding frock Download PDF

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Publication number
CN104802078B
CN104802078B CN201510218802.4A CN201510218802A CN104802078B CN 104802078 B CN104802078 B CN 104802078B CN 201510218802 A CN201510218802 A CN 201510218802A CN 104802078 B CN104802078 B CN 104802078B
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CN
China
Prior art keywords
pillar
plane
bottom plate
locating piece
frock
Prior art date
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Active
Application number
CN201510218802.4A
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Chinese (zh)
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CN104802078A (en
Inventor
胡冬秀
贺冶
张菊绒
郑学著
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AECC South Industry Co Ltd
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China National South Aviation Industry Co Ltd
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Application filed by China National South Aviation Industry Co Ltd filed Critical China National South Aviation Industry Co Ltd
Priority to CN201510218802.4A priority Critical patent/CN104802078B/en
Publication of CN104802078A publication Critical patent/CN104802078A/en
Application granted granted Critical
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00Component parts such as frames, beds, carriages, headstocks
    • B24B41/06Work supports, e.g. adjustable steadies
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00Component parts such as frames, beds, carriages, headstocks
    • B24B41/06Work supports, e.g. adjustable steadies
    • B24B41/061Work supports, e.g. adjustable steadies axially supporting turning workpieces, e.g. magnetically, pneumatically
    • B24B41/062Work supports, e.g. adjustable steadies axially supporting turning workpieces, e.g. magnetically, pneumatically between centres; Dogs

Abstract

Flat surface grinding frock is indexed the invention discloses one kind, including bottom plate, bottom plate is provided with relative the first bearing and the second bearing, first bearing is top provided with first supported for one end with part to be processed, second bearing is provided with second top, the second top slip setting in the horizontal direction for being used to support with the other end of part;The positioning component that clamping position is carried out to part is additionally provided with bottom plate, positioning component includes locating piece, it is the plane parallel with bottom plate at the top and bottom of locating piece, one half height of locating piece offers the bayonet socket of the periphery wall for clamping part, and locating piece is provided with the locking member for being used for locking onto part in bayonet socket;It is additionally provided with bottom plate for by locating piece and holding down assembly that bottom plate is compressed.During using frock of the invention, component processing is unlikely to deform, and position degree precision is high, and tool structure is simple, easily fabricated;Indexing is simple, is well positioned to meet the indexing requirement surveyed and turn round tooth;With versatility, applicability is wide.

Description

Index flat surface grinding frock
Technical field
The present invention relates to aero-engine field, especially, it is related to a kind of indexing flat surface grinding frock.
Background technology
The torque tube component of turboshaft engine, the processing of positive and negative two plane of survey torsion tooth thereon is boat all the time A problem in empty engine component processing.
The processing for now surveying positive and negative two plane on torsion tooth uses digital control processing, and torque tube component is incited somebody to action without processing Survey and turn round tooth with position degree requirement can not be ensured after reference axis components welding.After process modification, first processed once, stayed using torsion tooth is surveyed Surplus after torque tube components welding to reprocessing, and the Fixture Design of processing presses traditional scheme, is distinguished using two vee-blocks To the benchmark excircle orientation of component, then it is respectively adopted and is held down assembly torque tube component and vee-block compression again, treat one side After machining, then dismantle and hold down assembly, rotate and retighten and process after torque tube component.
When positive and negative two plane that tooth is turned round to surveying carries out grinding, because component is long hollow shaft thin-wall part, therefore during processing Part is easily deformed, and the position degree of part does not reach requirement;Also need to be indexed when turning round tooth processing further, since surveying, therefore Design indexing means is also needed to be indexed to surveying torsion tooth, so that whole tool structure designs complicated and manufacture difficulty.
The content of the invention
Flat surface grinding frock is indexed the invention provides one kind, to solve what is existed when existing torque tube component is processed It is easily deformed, position degree does not reach requirement and whole tool structure design is complicated, the technical problem that manufacture is difficult.
The technical solution adopted by the present invention is as follows:
One kind indexing flat surface grinding frock, including bottom plate, bottom plate are provided with relative the first bearing and the second bearing, first Seat is top provided with first supported for one end with part to be processed, and the second bearing is provided with for another with part Hold second supported top, the second top slide in the horizontal direction is set;It is additionally provided with bottom plate and clamping position is carried out to part Positioning component, it is the plane parallel with bottom plate, the one of locating piece that positioning component, which is included at the top and bottom of locating piece, locating piece, Half height offers the bayonet socket of the periphery wall for clamping part, and locating piece, which is provided with, to be used to part locking onto in bayonet socket Locking member;It is additionally provided with bottom plate for by locating piece and holding down assembly that bottom plate is compressed.
Further, locating piece is in be machined with the middle part of square, its first side wall on the bayonet socket in " V " type, the first side wall Two mounting grooves are also machined with, two mounting grooves are symmetrical on bayonet socket;Locking member includes L-shaped briquetting, locking bar, Yi Jisuo Tight nut;The first end of briquetting is hinged by the articulated elements being arranged in the mounting groove being located above bayonet socket with locating piece, and it the Two ends are machined with through hole;The first end of locking bar is cut with scissors by being arranged at the articulated elements in the mounting groove being located at below bayonet socket with locating piece Connect, its second end is threaded, the second end of locking bar is connected after passing through through hole with locking nut.
Further, hold down assembly including the first pillar, the pressing plate for compressing locating piece, the elasticity for branch bearing plate Part and the clamp nut for making pressing plate compression locating piece;First pillar includes the first paragraph that is connected with bottom plate and with the One section connected and diameter be less than first paragraph diameter second segment, be threaded on second segment;Pressing plate slides up and down suit In on second segment, elastic component is installed on second segment and positioned between pressing plate and first paragraph, clamp nut is installed on second segment And positioned at the top of pressing plate.
Further, hold down assembly the second pillar for branch bearing plate for also including being arranged on bottom plate, the second pillar The both sides of the first pillar are divided into locating piece, and the second pillar and locating piece are contour.
Further, the plate-like structure of pressing plate, is machined with the waist-shaped hole passed through for the second segment of the first pillar, pressing plate thereon Bottom be machined with for accommodate the second pillar top the first chute.
Further, part be in hollow rod-like structure, its two ends respectively with first it is top and second it is top support, part On periphery wall relative and with plane-parallel the first plane and the second plane are provided with close to the first top place;Plane frock is also Including for correcting the first plane or the second plane so that the correction component of the first plane or the second plane and plane-parallel, school Positive component is arranged on bottom plate and positioned between the first pillar and the first bearing.
Further, correction component include two the 3rd pillars, positioning sleeves being arranged on bottom plate and make positioning sleeve with The fastener that 3rd pillar is fixed;Width of two the 3rd pillars along bottom plate is arranged, and both tops are and level The parallel plane in face;Positioning sleeve is provided with two binding faces fitted respectively with the top of two the 3rd pillars and positioned at two Neck between individual binding face, the combinatorial surface that neck is constituted with two sides being respectively connected with by the first plane and with the first plane Match or combinatorial surface that two sides with being respectively connected with by the second plane and with the second plane are constituted matches;Fastener It is embedded in the 3rd pillar to fix positioning sleeve with the 3rd pillar by the top of the 3rd pillar after through positioning sleeve.
Further, plane frock also include for support accessory the 4th pillar, the 4th pillar be arranged on bottom plate and Between the first pillar and the first bearing.
Further, plane frock also include promote the second top movable push rod, push rod with second it is top be connected, The screwed hole for being machined with and being moved for push rod on external screw thread, the second bearing is machined with push rod.
Further, the second bearing includes being arranged on bottom plate base, it is connected with base and is located at leading above base Plate and the support plate being connected simultaneously with base and guide plate;It is machined with the screwed hole of insertion, guide plate and is in contact with base on support plate The second chute that place is oriented to provided with the slip top to second, the second chute is connected with screwed hole.
The invention has the advantages that:
When turning round tooth using the survey on the indexing flat surface grinding frock processing torque tube component of the present invention, due to using first It is top and second top while hold out against torque tube component, also using periphery wall of the positioning component to torque tube component Positioning clamping is carried out, therefore is unlikely to deform during the processing of torque tube component, the position degree precision of torque tube component is high, and point Degree flat surface grinding tool structure is simple, manufacture processing and manufacturing;
Rotating locating blocks can realize the indexing that tooth is turned round to surveying, and indexing is simple, and while simplifying frock global design, moreover it is possible to Meet well and survey the indexing requirement for turning round tooth;
The indexing flat surface grinding frock of the present invention is applied to the fabrication design of relative two plane on strip part, has Versatility, applicability is wide.
In addition to objects, features and advantages described above, the present invention also has other objects, features and advantages. Below with reference to figure, the present invention is further detailed explanation.
Brief description of the drawings
The accompanying drawing for constituting the part of the application is used for providing a further understanding of the present invention, schematic reality of the invention Apply example and its illustrate to be used to explain the present invention, do not constitute inappropriate limitation of the present invention.In the accompanying drawings:
Partial cutaway when Fig. 1 is the indexing flat surface grinding tool locating clamping torque tube component of the preferred embodiment of the present invention Depending on main structure diagram;
Broken section plan structure when Fig. 2 is the indexing flat surface grinding frock clamping and positioning torque tube component in Fig. 1 Schematic diagram;
Fig. 3 is K-K in Fig. 1 to cross section structure diagram;
Fig. 4 is the right side structural representation of the briquetting in Fig. 3;
Fig. 5 is the left view structural representation of the locking bar in Fig. 3;
Fig. 6 is the overlooking the structure diagram of the pressing plate in Fig. 1;
Fig. 7 is the section view main structure diagram of the positioning sleeve in Fig. 1;And
Fig. 8 is the overlooking the structure diagram of the positioning sleeve in Fig. 7.
Marginal data
1st, bottom plate;2nd, the first bearing;3rd, the second bearing;301st, base;302nd, guide plate;3020th, the second chute;303rd, prop up Plate;4th, first is top;5th, second is top;6th, positioning component;601st, locating piece;6010th, bayonet socket;6011st, mounting groove;602nd, press Block;603rd, locking bar;604th, locking nut;7th, hold down assembly;701st, the first pillar;702nd, pressing plate;7021st, waist-shaped hole;7022nd, One chute;703rd, elastic component;704th, clamp nut;705th, the second pillar;8th, component is corrected;801st, the 3rd pillar;802nd, position Set;8020th, neck;8021st, binding face;803rd, fastener;9th, the 4th pillar;10th, push rod.
Embodiment
Embodiments of the invention are described in detail below in conjunction with accompanying drawing.
As shown in Figure 1 to Figure 3, the preferred embodiments of the present invention provide a kind of indexing flat surface grinding frock, and it includes bottom plate 1, bottom plate 1 is provided with relative the first bearing 2 and the second bearing 3, and the first bearing 2, which is provided with, is used for one with part to be processed First top 4 supported is held, the second bearing 3 is provided be used for supporting with the other end of part second top 5, second top 5 Slide and set in the horizontal direction;The positioning component 6 that clamping position is carried out to part is additionally provided with bottom plate 1, positioning component 6 includes fixed Position block 601, the top and bottom of locating piece 601 are the plane parallel with bottom plate 1, and a half height of locating piece 601 is opened up There is the bayonet socket 6010 for the periphery wall of clamping part, locating piece 601, which is provided with, to be used to part locking onto in bayonet socket 6010 Locking member;It is additionally provided with bottom plate 1 and holds down assembly 7 for compress locating piece 601 and bottom plate 1.Ground using the indexing of the present invention Plane frock process torque tube component of the prior art when technical process be:First, torque tube component is filled Between first top 4 and second top 5, and mobile second top 5 holds out against torque tube component in the first top 4 He Between second top 5, during installing, tooth is turned round in the survey on adjustment torque tube component, survey is turned round one side to be processed on tooth upward And and plane-parallel;Then, the periphery wall for clamping torque tube component is positioned using positioning component 6;Then, using compression Component 7 compresses the locating piece 601 in positioning component 6 and bottom plate 1;Then, start process equipment processing survey turn round tooth upward Simultaneously;After machining, stop process equipment, and unclamp and hold down assembly 7, while mobile second top 5 unclamps torque tube Component is until it is rotatable under external force;Rotating locating blocks 601 be allowed to before bottom-up or top before upward;So Afterwards, 7 locating piece 601 is compressed with bottom plate 1 again using holding down assembly, while mobile second top 5 holds out against torque tube group Part;Finally, it is again started up process equipment processing and surveys the another side turned round on tooth upward.Indexing flat surface grinding frock using the present invention adds When tooth is turned round in survey on work torque tube component, due to holding out against torque tube component using first top 4 and second top 5 Meanwhile, positioning clamping is also carried out to the periphery wall of torque tube component using positioning component 6, therefore torque tube component is processed When be unlikely to deform, the position degree precision of torque tube component is high, and indexing flat surface grinding tool structure is simple, manufacture processing system Make;Rotating locating blocks 601 can realize the indexing that tooth is turned round to surveying, and indexing is simple, and while simplifying frock global design, moreover it is possible to very Good satisfaction surveys the indexing requirement for turning round tooth;Relative two that the indexing flat surface grinding frock of the present invention is applied on strip part put down The fabrication design in face, with versatility, applicability is wide.
Specifically, as shown in Figure 3 and Figure 4, locating piece 601 is in be machined with the middle part of square, its first side wall in " V " type Two mounting grooves 6011 are also machined with bayonet socket 6010, the first side wall, two mounting grooves 6011 are symmetrical on bayonet socket 6010;Locking Part includes L-shaped briquetting 602, locking bar 603 and locking nut 604;The first end of briquetting 602 is located at by being arranged at Articulated elements in the mounting groove 6011 of the top of bayonet socket 6010 is hinged with locating piece 601, and its second end is machined with through hole;Locking bar 603 First end be hinged by being arranged at the articulated elements being located in the mounting groove 6011 of the lower section of bayonet socket 6010 with locating piece 601, it the Two ends are threaded, and the second end of locking bar 603 is connected after passing through through hole with locking nut 604.
In specific embodiment of the present invention, the short side of L-shaped briquetting 602 is located at the top of bayonet socket 6010 by being arranged at Mounting groove 6011 in articulated elements be hinged with locating piece 601, be machined with through hole on its long side;Locking bar 603 is slip-knot bolt;Hinge Fitting acts the connector being hinged for what in the market was commonly used.
When positioning the periphery wall for clamping torque tube component using positioning component 6, rotating rod lock 603 will be surveyed and turn round base first Fiducial axis component is locked in be enclosed in the space being set as by locating piece 601, briquetting 602 and locking bar 603, then by locking nut 604 It is set on locking bar 603, and turns locking nut 604 until locking torque tube component.
Specifically, in the present invention, as depicted in figs. 1 and 2,7 are held down assembly including the first pillar 701, for compressing positioning The pressing plate 702 of block 601, the elastic component 703 for branch bearing plate 702 and the pressure for making the compression locating piece 601 of pressing plate 702 Tight nut 704;First pillar 701 include the first paragraph being connected with bottom plate 1 and be connected with first paragraph and diameter less than first It is threaded on the second segment of the diameter of section, second segment;Pressing plate 702, which is slided up and down, to be set on second segment, and elastic component 703 is filled On second segment and positioned between pressing plate 702 and first paragraph, clamp nut 704 is installed on second segment and positioned at pressing plate 702 Top.When compressing locating piece 601, pressing plate 702 is pushed down the top of locating piece 601 first, then turn clamp nut 704 i.e. Locating piece 601 can be compressed with bottom plate 1, it is simple in construction, easy to operate.
In the preferred embodiment of the invention, as shown in figure 1, hold down assembly 7 quantity be two groups, two groups of 7 edges that hold down assembly The direction arrangement vertical with the first top 4 and second top 5 line.In the preferred embodiment of the invention, the thrum of elastic component 703 Spring, by setting spring between the end face of second segment connecting place on pressing plate 702 and first paragraph, may not only be applied to branch bearing plate 702, interfered when can also prevent locating piece 601 from rotating with pressing plate 702.
Alternatively, as shown in figure 1,7 second for branch bearing plate 702 for also including being arranged on bottom plate 1 that hold down assembly Pillar 705, the second pillar 705 and locating piece 601 are divided into the both sides of the first pillar 701, and the second pillar 705 and locating piece 601 is contour.By setting up the second pillar 705 on bottom plate 1, and the second pillar 705 and locating piece 601 are contour, can make pressing plate 702 It is uniform to compress locating piece 601.In the preferred embodiment of the invention, the quantity of the second pillar 705 is two, two second pillars 705 arrange along the width of bottom plate 1.
More alternatively, with reference to shown in Fig. 6, the plate-like structure of pressing plate 702 is machined with second for the first pillar 701 thereon The waist-shaped hole 7021 that section is passed through, the bottom of pressing plate 702 is machined with first chute on the top for accommodating the second pillar 705 7022.Because the hole that the second segment of the first pillar of confession 701 on pressing plate 702 is passed through is waist-shaped hole 7021, therefore can left and right adjusting pressure Plate 702 compresses the position of locating piece 601;First chute 7022 can be oriented to the mobile of pressing plate 702.
In the present invention, as depicted in figs. 1 and 2, part is in hollow rod-like structure, and its two ends is respectively with first top 4 and the Two top 5 support, on the periphery wall of part at first top 4 provided with relative and the first plane with plane-parallel and Second plane;Plane frock also includes being used to correct the first plane or the second plane so that the first plane or the second plane and level The parallel correction component 8 in face, correction component 8 is arranged on bottom plate 1 and positioned between the first pillar 701 and the first bearing 2.
Specifically, in the present invention, as shown in Fig. 1, Fig. 7 and Fig. 8, correction component 8 includes be arranged on bottom plate 1 two pieces the Three pillars 801, positioning sleeve 802 and the fastener 803 for fixing the pillar 801 of positioning sleeve 802 and the 3rd;Two the 3rd pillars 801 arrange that the top of two the 3rd pillars 801 is the plane with plane-parallel along the width of bottom plate 1;Positioning sleeve 802 provided with two binding faces 8021 fitted respectively with the top of two the 3rd pillars 801 and positioned at two binding faces Neck 8020 between 8021, the group that neck 8020 is constituted with two sides being respectively connected with by the first plane and with the first plane The combinatorial surface that conjunction face matches or two sides with being respectively connected with by the second plane and with the second plane are constituted matches;Tightly Firmware 803 is passed through after positioning sleeve 802 in the pillar 801 of top insertion the 3rd of the 3rd pillar 801 with by positioning sleeve 802 and the 3rd Pillar 801 is fixed.In the preferred embodiment of the invention, fastener 803 refers to trip bolt.
During processing, torque tube component is installed between first top 4 and second top 5 first;Then using fixed The clamping of neck 8020 on position set 802, which is surveyed, turns round tooth, the first plane or the second plane is fitted with the bottom land of neck 8020;Then again Two on positioning sleeve 802 tops of the binding face 8021 respectively with two the 3rd pillars 801 are made to fit;Then fastener 803 is made It is embedded in after through positioning sleeve 802 by the top of the 3rd pillar 801 in the 3rd pillar 801;Then the locating clip of positioning component 6 is used again The periphery wall of tight torque tube component;Then, correction component is unclamped;Then use again and hold down assembly 7 by positioning component 6 Locating piece 601 is compressed with bottom plate 1;Then it is further continued for carrying out follow-up operation.
In the present invention, as shown in figure 1, plane frock also includes the 4th pillar 9 for support accessory, the 4th pillar 9 is set It is placed on bottom plate 1 and positioned between the first pillar 701 and the first bearing 2.
In the present invention, as depicted in figs. 1 and 2, plane frock also includes promoting the second top 5 movable push rod 10, Push rod 10 is connected with second top 5, and the spiral shell for being machined with and being moved for push rod 10 on external screw thread, the second bearing 3 is machined with push rod 10 Pit.In the preferred embodiment of the invention, push rod 10 is screw.
Base 301 that second bearing 3 includes being arranged on bottom plate 1, be connected with base 301 and be located above base 301 Guide plate 302 and the support plate 303 being connected simultaneously with base 301 and guide plate 302;The screwed hole of insertion is machined with support plate 303, The second chute 3020 being oriented on guide plate 302 with the touching position of base 301 provided with top to second 5 slip, second slides Groove 3020 is connected with screwed hole.When holding out against torque tube component or unclamping torque tube component, rotating push-rod 10 is only needed i.e. Can, it is easy to adjust, reliable.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies Change, equivalent substitution, improvement etc., should be included in the scope of the protection.

Claims (8)

1. one kind indexing flat surface grinding frock, it is characterised in that
Including bottom plate (1), the bottom plate (1) is provided with relative the first bearing (2) and the second bearing (3), first bearing (2) first top (4) for being used for supporting with one end of part to be processed are provided with, second bearing (3), which is provided with, to be used for Setting is slided in the horizontal direction in second top (5) supported with the other end of the part, second top (5);
The positioning component (6) that clamping position is carried out to the part, positioning component (6) bag are additionally provided with the bottom plate (1) It is the plane parallel with the bottom plate (1), the positioning to include at the top and bottom of locating piece (601), the locating piece (601) One half height of block (601) offers the bayonet socket (6010) of the periphery wall for part described in clamping, the locating piece (601) Be provided with the locking member for being used for the part being lock onto in the bayonet socket (6010);
It is additionally provided with and is held down assembly (7) for compress the locating piece (601) and the bottom plate (1) on the bottom plate (1), institute State and hold down assembly (7) including the first pillar (701), the pressing plate (702) for compressing the locating piece (601), for supporting State the elastic component (703) of pressing plate (702) and for making the pressing plate (702) compress the clamp nut of the locating piece (601) (704);
The part is in hollow rod-like structure, and its two ends is supported with described first top (4) and second top (5) respectively, Close to the described first top (4) place provided with relative and the first plane with plane-parallel and the on the periphery wall of the part Two planes;
The plane frock also includes being used to correct first plane or second plane so that first plane or institute The correction component (8) of the second plane and plane-parallel is stated, the correction component (8) is arranged on the bottom plate (1) and is located at Between first pillar (701) and first bearing (2);
The correction component (8) include being arranged at two the 3rd pillars (801) on the bottom plate (1), positioning sleeve (802), with And make the positioning sleeve (802) fastener (803) fixed with the 3rd pillar (801);
Width of two the 3rd pillars (801) along the bottom plate (1) is arranged, and both tops are and horizontal plane Parallel plane;
The positioning sleeve (802) is provided with two binding faces fitted respectively with the top of two the 3rd pillars (801) (8021) neck (8020) and between described two binding faces (8021), the neck (8020) with by described the The combinatorial surfaces of one plane and be respectively connected with first plane two side compositions match or with by second plane Match with the combinatorial surface for two side compositions being respectively connected with second plane;
The fastener (803) passes through the top insertion the described 3rd by the 3rd pillar (801) after the positioning sleeve (802) So that the positioning sleeve (802) and the 3rd pillar (801) is fixed in pillar (801).
2. indexing flat surface grinding according to claim 1 frock, it is characterised in that
The locating piece (601) is in that the bayonet socket (6010) in " V " type is machined with the middle part of square, its first side wall, described Two mounting grooves (6011) are also machined with the first side wall, described two mounting grooves (6011) are right on the bayonet socket (6010) Claim;
The locking member includes L-shaped briquetting (602), locking bar (603) and locking nut (604);
The first end of the briquetting (602) is by being arranged in the mounting groove (6011) being located above the bayonet socket (6010) Articulated elements be hinged with the locating piece (601), its second end is machined with through hole;
The first end of the locking bar (603) is by being arranged in the mounting groove (6011) being located at below the bayonet socket (6010) Articulated elements be hinged with the locating piece (601), its second end is threaded, and the second end of the locking bar (603) passes through institute State after through hole and to be connected with the locking nut (604).
3. indexing flat surface grinding according to claim 1 frock, it is characterised in that
First pillar (701) include the first paragraph being connected with the bottom plate (1) and be connected with the first paragraph and it is straight Footpath, which is less than on the second segment of the diameter of the first paragraph, the second segment, to be threaded;
The pressing plate (702), which slides up and down, to be set on the second segment, and the elastic component (703) is installed on the second segment And positioned between the pressing plate (702) and the first paragraph, the clamp nut (704) is installed on the second segment and is located at The top of the pressing plate (702).
4. indexing flat surface grinding according to claim 3 frock, it is characterised in that
Hold down assembly (7) also include being arranged at the second pillar for supporting the pressing plate (702) on the bottom plate (1) (705), second pillar (705) and the locating piece (601) are divided into the both sides of first pillar (701), and described Second pillar (705) and the locating piece (601) are contour.
5. indexing flat surface grinding according to claim 4 frock, it is characterised in that
The plate-like structure of the pressing plate (702), is machined with the waist-shaped hole passed through for the second segment of first pillar (701) thereon (7021), the bottom of the pressing plate (702) is machined with first chute on the top for accommodating second pillar (705) (7022)。
6. indexing flat surface grinding according to claim 3 frock, it is characterised in that
The plane frock also includes the 4th pillar (9) for being used to support the part, and the 4th pillar (9) is arranged at described On bottom plate (1) and positioned between first pillar (701) and first bearing (2).
7. indexing flat surface grinding according to claim 1 frock, it is characterised in that
The plane frock also includes the push rod (10) for promoting described second top (5) movable, the push rod (10) and institute State second top (5) be connected, be machined with the push rod (10) on external screw thread, second bearing (3) be machined with for described in push away The mobile screwed hole of bar (10).
8. indexing flat surface grinding according to claim 7 frock, it is characterised in that
Base (301) that second bearing (3) includes being arranged on the bottom plate (1), it is connected and position with the base (301) Guide plate (302) above the base (301) and the branch being connected simultaneously with the base (301) and the guide plate (302) Plate (303);
It is machined with the screwed hole of insertion, the guide plate (302) and connects with the base (301) on the support plate (303) Slips second chute (3020) that is oriented to of the synapsis provided with (5) top to described second, second chute (3020) and The screwed hole connection.
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Publication number Priority date Publication date Assignee Title
CN108127524A (en) * 2017-12-08 2018-06-08 中国航发动力股份有限公司 A kind of top processing of high accuracy positioning and prosthetic device and method

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