CN205237650U - Machining clamp - Google Patents
Machining clamp Download PDFInfo
- Publication number
- CN205237650U CN205237650U CN201620074727.9U CN201620074727U CN205237650U CN 205237650 U CN205237650 U CN 205237650U CN 201620074727 U CN201620074727 U CN 201620074727U CN 205237650 U CN205237650 U CN 205237650U
- Authority
- CN
- China
- Prior art keywords
- centralized positioning
- support guide
- guide cover
- slide bearings
- pin
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model provides a machining clamp, it includes base (1), cylinder (2), cylinderpiston and connecting rod (3), support uide bushing (4), slip supporting seat (5), thrust ball bearing holder and ball (6), floating platform (7), first connecting screw (8), compact heap (9), round pin axle (10), push rod pin (11), second connecting screw (12), center location axle (13), third connecting screw (15), uide bushing (16), backup pad (17), piston and connecting rod (18), one -way cylinder (19). The utility model discloses a centering that floats from pressing from both sides tight machining clamp, is applicable to the processing of flange class parts such as wheel, and the design can increase the location accuracy, improves the machining precision, and is easy and simple to handle. Anchor clamps have the automatic positive floating platform that returns, realize the automatic part of adjusting well, adjust the back floating gripper well and move down, change rigid support into, the steadiment, the locating lever continues to move down to ejector pin pendulum -arm mechanism self -holding work piece has been realized.
Description
Technical field
The utility model relates to field of machining, relates to particularly a kind of machining fixture.
Background technology
In traditional fixture location, often have difficulties, be difficult to realize horizontal positioned and centralized positioning at the large part of weightAccurately, therefore the skew of machining feature position is serious. Meanwhile, traditional fixture steps up to adopt panel nut to connect, thisTo tighten by hand operation.
Utility model content
Therefore, the purpose of this utility model is to provide a kind of machining fixture, protects thereby realize in the heavier situation of partCard horizontal positioned and centralized positioning are accurate, and operation comparatively is easily provided.
Aspect one of the present utility model, a kind of machining fixture is provided, it comprises base (1), cylinder (2),Cylinder piston and connecting rod (3), support guide cover (4), slide bearings (5), thrust ball bearing retainer and ball(6), floating platform (7), the first attachment screw (8), compact heap (9), bearing pin (10), push rod pin (11),The second attachment screw (12), centralized positioning axle (13), the 3rd attachment screw (15), fairlead (16), gripper shoe(17), oil cylinder piston and connecting rod (18), unidirectional oil cylinder (19), is characterized in that: unidirectional oil cylinder (19) is by propping upFagging (17) bolt is connected to base (1), and fairlead (16) connects with the little matched in clearance of base (1) and by the 3rdConnect screw (15) fixing, the oil cylinder connecting rod (18) of described unidirectional oil cylinder (19) passes by fairlead (16)Base (1), and centralized positioning axle (13) is installed to oil cylinder piston and connecting rod (18) by the second attachment screw (12)Top; Cylinder (2) is bolted base (1), and support guide cover (4) is joined with the little gap of base (1)Merge and fix by the first attachment screw (8), the cylinder piston of described cylinder (2) and connecting rod (3) are by supportingFairlead (4) is through base (1) and be connected to slide bearings (5), and slide bearings is placed with guarantor on (5)Hold frame and ball (6); Floating platform (7) is set to be placed in retainer under adjustment state and ball (6) is upper, andAnd be placed on slide bearings (5) under the duty of workpiece processing; Compact heap (9) and bearing pin (10) pointBe not fixed to centralized positioning axle (13), and make it keep fixing; Push rod pin (11) be arranged at floating platform (7) andBetween support guide cover (4).
The utility model preferred aspect, described support guide cover (4) comprise support guide cover installation foot (401),Support guide cover construction bolt hole (402), support guide cover cylindrical body (403) and friction sleeve (404); SupportFairlead installation foot (401) is positioned at the bottom on the top of support guide cover (4), and is set to base (1) littleMatched in clearance; Support guide cover (4) overlaps construction bolt hole (402) by support guide to be fixed with bolt; Friction sleeve(404) be positioned at the top of support guide cover (4), and contact in rigidity with floating platform (7).
The utility model preferred aspect, described slide bearings (5) comprise slide bearings cylindrical outer wall (501),Be positioned at cylindrical outer wall (501) upper end slide bearings inner chamber (503) and be positioned at cylindrical outer wall (501)The slide bearings screw thread (502) of lower end; Described slide bearings (5) is passed through sliding with cylinder piston rod (3)Moving supporting seat screw thread (502) connects; The friction sleeve of slide bearings cylindrical outer wall (501) and support guide cover (4)(404) coordinate in slide-and-guide; Retainer and ball (6) in slide bearings inner chamber (503), are placed.
The utility model preferred aspect, described centralized positioning axle (13) is frustum shape, and it comprises:Centralized positioning conical surface of shaft (1301); Centralized positioning axle working face (1302), it is positioned at described centralized positioning axle (13)Lower edge outside and there is projection; Centralized positioning axis hole (1303), it is positioned at described centralized positioning axle (13)Bottom, and with the little matched in clearance of oil cylinder connecting rod (18); Centralized positioning axle centre bolt hole (1304), it is positioned atThe bottom of described centralized positioning axle (13), and fix by screw with oil cylinder connecting rod (18); Top, sideComprise centralized positioning pivot pin axle locating hole (1305), and described centralized positioning pivot pin axle locating hole (1305) arrangesFor with bearing pin (10) interference fit; Centralized positioning axle slip pin-and-hole (1306), and described centralized positioning axle slidesPin-and-hole (1306) is configured such that push rod pin (11) can vertically slide in centralized positioning axle slip pin-and-hole (1306);Centralized positioning shaft compression slot to make way (1307), it is positioned at the bottom of described centralized positioning axle (13); And center is fixedPosition axle lightening hole (1308).
Aspect other, also comprise following technical scheme of the present utility model:
The device of the present embodiment comprises as lower component: 1 base, 2 cylinders, 3 cylinder pistons and connecting rod, 4 support guidesCover, 5 slide bearings, 6 thrust ball bearing retainer and balls, 7 floating platforms, 8 first attachment screws, 9 pressTight piece, 10 bearing pins, 11 push rod pins, 12 second attachment screws, 13 centralized positioning axles, 14 workpiece, 15 the 3rd connectScrew, 16 fairleads, 17 gripper shoes, 18 oil cylinder pistons and connecting rod, 19 unidirectional oil cylinders. Base (1) and cylinder (2)Employing screw connects, and base (1) is with bolts by gripper shoe 17 with oil cylinder 19, fairlead (16) and the endSeat (1) little matched in clearance adopting is screwed; The support guide cover installation foot (401) of support guide cover (4) withThe little matched in clearance of base (1) is also overlapped construction bolt hole (402) by support guide and is screwed, support guide cover(4) tip designs friction sleeve (404). Centralized positioning axle (13) is determined by center with oil cylinder piston and connecting rod (18)The position little matched in clearance of axis hole (1303) is also connected and fixed by centralized positioning axle centre bolt hole (1304) with screw;In centralized positioning axle (13), arrange centralized positioning shaft compression slot to make way (1307), be provided with centralized positioning pivot pin axle locationHole (1305) and bearing pin (10) interference fit, be provided with 3 slip pin-and-holes (1306), push rod pin (11) can inIn heart locating shaft slip pin-and-hole (1306), vertically slide; Be provided with centralized positioning axle lightening hole (1308). Slide bearings(5) be connected its slide bearings cylindrical outer wall (501) by slide bearings screw thread (502) with cylinder piston rod (3)Be that slide-and-guide coordinates with support guide cover inwall, slide bearings inner chamber (503) is placed retainer and ball (6).Floating platform (7) is placed in retainer and ball (6) is upper, is placed on supporting seat (5), with friction under dutyThe contact of cover (404) rigidity.
Unsteady centering of the present utility model, from clamping machine clamp for machining, is applicable to the processing of the flange type parts such as wheel, establishesMeter can increase accurate positioning, improves machining accuracy, easy and simple to handle. Fixture is with self-aligning floating platform, realExisting automatic alignment part; Align rear float support and move down, change rigid support into, increase stability; Under backstay continuesMove, thereby realized push rod oscillating arm mechanisms Automatic-clamping workpiece.
Brief description of the drawings
Below, describe by reference to the accompanying drawings embodiment of the present utility model in detail, wherein:
The structural representation of the machining fixture described in Fig. 1: embodiment 1;
The structural representation of the centralized positioning axle (13) of the machining fixture described in Fig. 2: embodiment 1;
The top view of the centralized positioning axle (13) of the machining fixture described in Fig. 3: embodiment 1;
The structural representation of the slide bearings (5) of the machining fixture described in Fig. 4: embodiment 1; And
The structural representation of the support guide cover (4) of the machining fixture described in Fig. 5: embodiment 1.
Wherein: 1 base, 2 cylinders, 3 cylinder pistons and connecting rod, 4 support guide covers, 5 slide bearings, 6 thrustsBall bearing retainer and ball, 7 floating platforms, 8 first attachment screws, 9 compact heaps, 10 bearing pins, 11 push rod pins,12 second attachment screws, 13 centralized positioning axles, 14 workpiece, 15 the 3rd attachment screws, 16 fairleads, 17 gripper shoes,18 oil cylinder pistons and connecting rod, 19 unidirectional oil cylinders, 401 support guide cover installation feet, 402 support guide cover construction boltsHole, 403 support guide cover cylindrical body, 404 friction sleeves, 501 slide bearings cylindrical outer wall, 502 slide props upSupport seat screw thread, 503 slide bearings inner chambers, 1301 centralized positioning conical surface of shafts, 1302 centralized positioning axle working faces, 1303Centralized positioning axis hole, 1304 centralized positioning axle centre bolt holes, 1305 centralized positioning pivot pin axle locating holes, 1306 centersLocating shaft slip pin-and-hole, 1307 centralized positioning shaft compression slots to make way, 1308 centralized positioning axle lightening holes.
Detailed description of the invention
Embodiment 1
The machining fixture of the present embodiment comprises base (1), cylinder (2), and cylinder piston and connecting rod (3), support is ledTo cover (4), slide bearings (5), thrust ball bearing retainer and ball (6), floating platform (7), first connectsConnect screw (8), compact heap (9), bearing pin (10), push rod pin (11), the second attachment screw (12), centralized positioningAxle (13), the 3rd attachment screw (15), fairlead (16), gripper shoe (17), oil cylinder piston and connecting rod (18),Unidirectional oil cylinder (19), is characterized in that: unidirectional oil cylinder (19) is connected to base (1) by gripper shoe (17) bolt,Fairlead (16) and the little matched in clearance of base (1) adopting is screwed, and the oil cylinder of described unidirectional oil cylinder (19) connectsExtension bar (18) passes base (1) by fairlead (16), and centralized positioning axle (13) connects spiral shell by secondNail (12) is installed to the top of oil cylinder piston and connecting rod (18); Cylinder (2) is bolted base (1),Support guide cover (4) and the little matched in clearance of base (1) and fixing by the first attachment screw (8), described cylinder(2) cylinder piston and connecting rod (3) are passed base (1) and are connected to slide by support guide cover (4) and prop upSupport seat (5), is placed with retainer and ball (6) in slide bearings (5); Floating platform (7) is set to adjustingUnder nodular state, be placed in retainer and ball (6) upper, and be placed in slide bearings (5) under the duty of workpiece processingOn; Compact heap (9) is respectively fixed to centralized positioning axle (13) with bearing pin (10), and makes it keep fixing; Push awayLever pin (11) is arranged between floating platform (7) and support guide cover (4). Described support guide cover (4) bagDraw together support guide cover installation foot (401), support guide cover construction bolt hole (402), support guide cover cylindrical bodyAnd friction sleeve (404) (403); Support guide cover installation foot (401) is positioned at the end on the top of support guide cover (4)End, and be set to and the little matched in clearance of base (1); Support guide cover (4) overlaps construction bolt by support guideHole (402) is fixed with bolt; Friction sleeve (404) is positioned at the top of support guide cover (4), and and floating platform(7) contact in rigidity. Described slide bearings (5) comprises slide bearings cylindrical outer wall (501), is positioned atThe slide bearings inner chamber (503) of the upper end in cylindrical outer wall (501) and be positioned at cylindrical outer wall (501) underThe slide bearings screw thread (502) of end; Described slide bearings (5) is propped up by slip with cylinder piston rod (3)Support seat screw thread (502) connects; The friction sleeve (404) of slide bearings cylindrical outer wall (501) and support guide cover (4)Coordinate in slide-and-guide; Retainer and ball (6) in slide bearings inner chamber (503), are placed. Described centerLocating shaft (13) is frustum shape, and it comprises: centralized positioning conical surface of shaft (1301); The work of centralized positioning axleFace (1302), it is positioned at the lower edge outside of described centralized positioning axle (13) and has projection; Centralized positioning axis hole(1303), it is positioned at the bottom of described centralized positioning axle (13), and joins with the little gap of oil cylinder connecting rod (18)Close; Centralized positioning axle centre bolt hole (1304), it is positioned at the bottom of described centralized positioning axle (13), and withOil cylinder connecting rod (18) is fixed by screw; Top, side comprises centralized positioning pivot pin axle locating hole (1305), andDescribed centralized positioning pivot pin axle locating hole (1305) is set to and bearing pin (10) interference fit; Centralized positioning axle is slidingUntie-sell hole (1306), and described centralized positioning axle slip pin-and-hole (1306) is configured such that push rod pin (11) can beIn centralized positioning axle slip pin-and-hole (1306), vertically slide; Centralized positioning shaft compression slot to make way (1307), it is positioned at instituteThe bottom of the centralized positioning axle (13) of stating; And centralized positioning axle lightening hole (1308).
In running, it is upper that workpiece (14) is positioned over floating platform (7), with centralized positioning conical surface of shaft (1301)Contact, because cone match event workpiece has the small skew of 1-3 °, workpiece under its gravity (14), centralized positioning axle(13) and oil cylinder piston and connecting rod (18) under flow valve control to decline compared with jogging speed. Workpiece (14) beveled endThere is a place first to contact with floating platform (7), and cause floating platform (7) horizontal slip, make workpiece (14)Supporting surface and floating platform (7) upper surface is fitted completely, now cylinder piston and connecting rod (3), slide bearings (5)Together decline and finally also accurately locate in the adjusted righting of workpiece (14) with retainer and ball (6), and finally declineContact and stablize with drag ring (404) upper surface that supports sliding sleeve (4); The unidirectional oil cylinder of operating personnel's gauge tap (19),Make oil cylinder piston and connecting rod (18) and centralized positioning axle (13) continue to move down, make push rod (11) with respect inHeart locating shaft (13) relative sliding also promotes compact heap (9), workpiece pressing, and so far workpiece installs, and starts to addWork.
Work as completion of processing, unidirectional oil cylinder (19) switch open, makes workpiece (14), unidirectional oil cylinder (19) and cylinder(2) rise return, push rod pin in this process (11) relatively centralized positioning axle (13) moves down, and compact heap (9) existsUnder return spring effect, open, cylinder (2) first return completes, after this oil cylinder piston (18), workpiece (14), inHeart locating shaft (13) continues upwards to rise, in this process, and the centralized positioning axle working face of centralized positioning axle (13)(1302) extruding floating platform centre bore, recenters central platform, ready for work next time.
Claims (4)
1. a machining fixture, it comprises base (1), cylinder (2), cylinder piston and connecting rod (3), support is ledTo cover (4), slide bearings (5), thrust ball bearing retainer and ball (6), floating platform (7), first connectsConnect screw (8), compact heap (9), bearing pin (10), push rod pin (11), the second attachment screw (12), centralized positioningAxle (13), the 3rd attachment screw (15), fairlead (16), gripper shoe (17), oil cylinder piston and connecting rod (18),Unidirectional oil cylinder (19), is characterized in that: unidirectional oil cylinder (19) is connected to base (1) by gripper shoe (17) bolt,Fairlead (16) and the little matched in clearance of base (1) adopting is screwed, and the oil cylinder of described unidirectional oil cylinder (19) connectsExtension bar (18) passes base (1) by fairlead (16), and centralized positioning axle (13) connects spiral shell by secondNail (12) is installed to the top of oil cylinder piston and connecting rod (18); Cylinder (2) is bolted base (1),Support guide cover (4) and the little matched in clearance of base (1) and fixing by the first attachment screw (8), described cylinder(2) cylinder piston and connecting rod (3) are passed base (1) and are connected to slide by support guide cover (4) and prop upSupport seat (5), is placed with retainer and ball (6) in slide bearings (5); Floating platform (7) is set to adjustingUnder nodular state, be placed in retainer and ball (6) upper, and be placed in slide bearings (5) under the duty of workpiece processingOn; Compact heap (9) is respectively fixed to centralized positioning axle (13) with bearing pin (10), and makes it keep fixing; Push awayLever pin (11) is arranged between floating platform (7) and support guide cover (4).
2. machining fixture claimed in claim 1, is characterized in that, described support guide cover (4) comprisesSupport fairlead installation foot (401), support guide cover construction bolt hole (402), support guide cover cylindrical body (403)And friction sleeve (404); Support guide cover installation foot (401) is positioned at the bottom on the top of support guide cover (4), andAnd be set to and the little matched in clearance of base (1); Support guide cover (4) overlaps construction bolt hole (402) by support guideFix with bolt; Friction sleeve (404) is positioned at the top of support guide cover (4), and with floating platform (7) inRigidity contact.
3. the machining fixture described in claim 1 or 2, is characterized in that, described slide bearings (5) bagDraw together slide bearings cylindrical outer wall (501), be positioned at the slide bearings inner chamber (503) of the upper end of cylindrical outer wall (501)And be positioned at the slide bearings screw thread (502) of the lower end of cylindrical outer wall (501); Described slide bearings (5)Be connected by slide bearings screw thread (502) with cylinder piston rod (3); Slide bearings cylindrical outer wall (501) withThe friction sleeve (404) of support guide cover (4) coordinates in slide-and-guide; In slide bearings inner chamber (503), placeRetainer and ball (6).
4. the machining fixture described in claim 1 or 2, is characterized in that, described centralized positioning axle (13) isFrustum shape, and it comprises: centralized positioning conical surface of shaft (1301); Centralized positioning axle working face (1302), itsBe positioned at the lower edge outside of described centralized positioning axle (13) and there is projection; Centralized positioning axis hole (1303), its positionIn the bottom of described centralized positioning axle (13), and with the little matched in clearance of oil cylinder connecting rod (18); Centralized positioningAxle centre bolt hole (1304), it is positioned at the bottom of described centralized positioning axle (13), and with oil cylinder connecting rod (18)Fix by screw; Top, side comprises centralized positioning pivot pin axle locating hole (1305), and described centralized positioning axleBearing pin locating hole (1305) is set to and bearing pin (10) interference fit; Centralized positioning axle slip pin-and-hole (1306), andAnd described centralized positioning axle slip pin-and-hole (1306) is configured such that push rod pin (11) can be at centralized positioning axle sliding pinIn hole (1306), vertically slide; Centralized positioning shaft compression slot to make way (1307), it is positioned at described centralized positioning axle (13)Bottom; And centralized positioning axle lightening hole (1308).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620074727.9U CN205237650U (en) | 2016-01-26 | 2016-01-26 | Machining clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620074727.9U CN205237650U (en) | 2016-01-26 | 2016-01-26 | Machining clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205237650U true CN205237650U (en) | 2016-05-18 |
Family
ID=55936729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620074727.9U Withdrawn - After Issue CN205237650U (en) | 2016-01-26 | 2016-01-26 | Machining clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205237650U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105458799A (en) * | 2016-01-26 | 2016-04-06 | 中信戴卡股份有限公司 | Machining fixture |
| CN107283178A (en) * | 2017-07-31 | 2017-10-24 | 中信戴卡股份有限公司 | A kind of wheel two-shot clamping device |
-
2016
- 2016-01-26 CN CN201620074727.9U patent/CN205237650U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105458799A (en) * | 2016-01-26 | 2016-04-06 | 中信戴卡股份有限公司 | Machining fixture |
| CN107283178A (en) * | 2017-07-31 | 2017-10-24 | 中信戴卡股份有限公司 | A kind of wheel two-shot clamping device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160518 Effective date of abandoning: 20171219 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20160518 Effective date of abandoning: 20171219 |