CN204748136U - Lathe work is hydraulic pressure automatic clamp for motor casing - Google Patents
Lathe work is hydraulic pressure automatic clamp for motor casing Download PDFInfo
- Publication number
- CN204748136U CN204748136U CN201520331015.6U CN201520331015U CN204748136U CN 204748136 U CN204748136 U CN 204748136U CN 201520331015 U CN201520331015 U CN 201520331015U CN 204748136 U CN204748136 U CN 204748136U
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- China
- Prior art keywords
- motor casing
- hydraulic pressure
- clamping
- blind flange
- packing
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Abstract
The utility model discloses a lathe work is hydraulic pressure automatic clamp for motor casing, including the hollow anchor clamps bodies, press from both sides specific one side and install the packing, offer on the packing with the packing taper hole of main outside diameter of shaft looks adaptation, press from both sides specific opposite side and install the blind flange, be provided with indexable clamping mechanism on the blind flange, the last pull rod that is connected with of clamping mechanism, the one end of pull rod is worn out from the packing taper hole, the pull rod is by the rotatory oil cylinder drive of hydraulic pressure, pull rod and taper hole of spindle looks adaptation, under the drive of pull rod, but clamping mechanism transposition and clamp fasten decides the motor casing. The utility model discloses a motor casing is fixed to hydraulic pressure self -holding mode clamping, and the clamping is convenient, and the clamping is efficient, and the centre gripping rigidity is strong, and its clamp force is stabilized adjustablely, can reduce the clamping by a wide margin and warp, improves the machining precision of motor casing, can ensure bearing room 0.005mm's cylindricity, promotes the processingquality of motor casing, and reduce cost increases the benefit.
Description
Technical field
The utility model relates to a kind of Digit Control Machine Tool fixture for processing, specifically a kind of turnery processing motor casing hydraulic pressure automatic fixture.
Background technology
Motor casing is as the installing component of bearing and rotor in whole motor, and the stable rotation for motor serves crucial effect.The remarkable characteristic of motor casing processing is that processing content is based on turning.Fig. 1-3 is structural representations of common motor casing, and in Fig. 1-3, a1 hole and a2 hole are traditional Set and Positioning hole (a1 hole is opened on boss d), and b1 face, b2 face and b3 face are traditional clamping seal face, and c1 face, c2 face and c3 face are traditional Set and Positioning face.Adopt conventional brace clamping fixing motor housing, man-hour is added at motor casing, by the corresponding Set and Positioning hole shown in Fig. 1-3, clamping seal face and Set and Positioning face as Set and Positioning point, plane and two pits location is carried out to motor casing, manual operation fixture clamping motor shell, turning A hole, B face, C hole, D face, E face and F hole, wherein B face and C hole form bearing chamber.Have higher processing request for the dimensional tolerance of the bearing chamber of motor casing, roughness and cylindricity, require that the dimensional tolerance grade of bearing chamber is H7, roughness is the cylindricity in Ra0.8, C hole is 0.005mm.Adopt conventional brace clamping fixing motor housing, there is certain deficiency: first, the position of Set and Positioning point distance bearing chamber is far away, clamping rigidity is poor, in turning process, part can produce slight distortion, causes the cylindricity of 0.005mm to be difficult to ensure, often occurs overproof situation, therefore need during turning suitably to reduce the turning amount of feeding, to ensure cylindricity requirement; The second, because Set and Positioning point is too outer, cause the rotating diameter of fixture comparatively large, therefore need the speed of mainshaft be reduced when turning, but this can affect working (machining) efficiency; 3rd, tradition clamping needs hand-operated clamping, and the control manually for clamping force size is stable not, easily causes parts fixation to be out of shape, simultaneously clamping inefficiency; 4th, the dynamic balance performance of manual is poor, and fixture easily produces vibration in rotary course, affects part processing precision.
Summary of the invention
Technical problem to be solved in the utility model is: for the deficiencies in the prior art, provides a kind of turnery processing motor casing hydraulic pressure automatic fixture, can improve the machining accuracy of motor casing.
The utility model solves the problems of the technologies described above adopted technical scheme: a kind of turnery processing motor casing hydraulic pressure automatic fixture, comprise the clamp body of hollow, the side of described clamp body is provided with packing, described packing offers the packing taper hole suitable with the external diameter of main shaft, the opposite side of described clamp body is provided with blind flange, described blind flange is provided with indexable clamp system, described clamp system is connected with pull bar, one end of described pull bar passes from described packing taper hole, described pull bar is by hydraulic rotating hydraulic oil cylinder driving, described pull bar and spindle taper hole suitable, under the drive of described pull bar, indexable and the motor casing that is fixedly clamped of described clamp system.After installation, be fixed on by packing on main shaft, make main shaft be plugged in packing taper hole simultaneously, pull bar inserts in spindle taper hole, by clamp system clamping fixing motor housing, can carry out machining.The utility model adopts Hydraumatic automatic clamping mode clamping fixing motor housing, convenient mounting and clamping, and clamping efficiency is high, clamping rigidity is strong, and its clamping force is stablized adjustable, significantly can reduce clamping deformation, improve the machining accuracy of motor casing, the cylindricity of bearing chamber 0.005mm can be guaranteed.
Described clamp system comprises spaced some taper pins and indexable multiple clamping unit, each described clamping unit comprises a hook and a connecting axle, described connecting axle is connected to the tail end of described hook, described connecting axle is connected with described pull bar, described connecting axle is arranged on the first mount pad, the first described mount pad is fixed on described blind flange, the outer peripheral face of described connecting axle is provided with helicla flute, described blind flange is fixed with jackscrew, described jackscrew is connected with guide pad, the end of described guide pad is plugged in described helicla flute, described blind flange is provided with the locating dowel for locating described motor casing, described locating dowel is positioned at the inner side of described hook, each described taper pin is arranged on second mount pad, the second described mount pad is fixed on described blind flange, the afterbody of each described taper pin is provided with a Compress Spring, described motor casing is provided with the some motor casing taper holes corresponding with the front end of described some taper pins, after motor casing clamping, multiple hook hooks motor casing simultaneously, and many locating dowels withstand motor casing simultaneously, and the front end of some taper pins embeds in some motor casing taper holes respectively.When starting clamping, fixture is in releasing orientation, and pull bar is positioned at forward position, the effect that multiple hook pushes away before being subject to pull bar, is in releasing orientation; After loading motor casing to be processed, move after hydraulic rotating hydraulic oil cylinder driving pull bar, while pull bar is pressed after driving each connecting axle, while polylith guide pad slides along each helicla flute respectively, each connecting axle drives multiple hook to insert to clamped condition simultaneously, completes clamping; After clamping completes, motor casing can be processed; After machining, hydraulic rotating hydraulic oil cylinder driving pull bar moves forward, and multiple hook unclamps, and can unload the motor casing processed.The taper pin of clamp system and the structural design of hook is compact, rotating diameter is little, rotating speed is high, and working (machining) efficiency is high.
Described clamp system comprises spaced two taper pins and indexable four clamping units.In clamping process, four hooks hook the same face of motor casing simultaneously, and the front end of two taper pins embeds in two motor casing taper holes simultaneously, thus realize " plane and two pits " location of motor casing processing.
Before and after described helicla flute comprises successively rounding off connect the first axial groove, deep-slotted chip breaker and the second axial groove, the reach of multiple hook and after when moving, polylith guide pad is respectively along the first axial groove and the rectilinear movement of the second axial groove, when polylith guide pad moves into after in deep-slotted chip breaker, namely realize the transposition of multiple hook.
Described locating dowel is threaded on described blind flange, adds contour pad between described locating dowel and described blind flange.During motor casing clamping, can rotate according to actual conditions and regulate the screw-in depth of locating dowel on blind flange, and select the contour pad of suitable depth, eliminate clamping error, realize to motor casing accurate, reliably locate.
Described packing is provided with the some soket head cap screws for the described main shaft that is threaded.By some soket head cap screws, packing is fixed on main shaft, easy for installation.
The front end of described pull bar is connected with attachment screw, described attachment screw comprises the threaded portion and connecting portion that are wholely set, described pull bar is connected with described threaded portion, described connecting portion is arranged with drive plate, the outer peripheral face of the connecting axle described in every root is provided with first ring connected in star, the perisporium inlay card of described drive plate is in multiple described first ring connected in star.
The outer peripheral face of described connecting portion is provided with the second annular groove, the both sides of the second described annular groove are separately installed with a spheric washer, described drive plate is arranged between the spheric washer described in two, the shape of the two sides of described drive plate and the spheric washer described in two is suitable, and the spheric washer described in two abuts against the both sides of described drive plate respectively.The setting of two spheric washers, can eliminate the transposition deviation of hook, realizes accurate, the reliable transposition of hook.
The perisporium of described drive plate is provided with breach, and described drive plate is fixed with limited block, and described limited block is near described breach.The setting of breach, is convenient to the installation of drive plate; Limited block can carry out spacing to the transposition of drive plate, prevents from departing from first ring connected in star in drive plate rotation process.
The outer end of described blind flange is provided with mistake proofing limited block, and described mistake proofing limited block is provided with draw-in groove, and the shape of the boss on described draw-in groove and described motor casing is suitable.After motor casing clamping, its boss inlay card is in draw-in groove, thus motor casing only has a setting angle on fixture, avoids motor casing dislocation in process.
Compared with prior art, the utility model has the advantage of: turnery processing motor casing hydraulic pressure automatic fixture disclosed in the utility model, adopt Hydraumatic automatic clamping mode clamping fixing motor housing, convenient mounting and clamping, clamping efficiency is high, and clamping rigidity is strong, and its clamping force is stablized adjustable, significantly can reduce clamping deformation, improve the machining accuracy of motor casing, the cylindricity of bearing chamber 0.005mm can be guaranteed, the crudy of lifting motor shell, reduce costs, increase the benefit; After the utility model is installed, be fixed on main shaft by packing, its packing position is fixed, and is convenient to the dynamic balancing doing fixture, improves the dynamic balance performance of fixture, guarantees machining accuracy; When adopting the utility model clamping fixing motor housing to carry out turnery processing, without the need to deliberately reducing cutting parameter, working (machining) efficiency can be ensured.
Accompanying drawing explanation
Fig. 1 is the front view of common motor casing;
Fig. 2 is the rearview of common motor casing;
Fig. 3 is the cut-away illustration of common motor casing;
Fig. 4 is the side view of embodiment fixture;
Fig. 5 is the structural representation of embodiment fixture;
Fig. 6 is that in embodiment fixture, connecting axle and hook connect rear design sketch;
Fig. 7 is the side view of motor casing and fixture clamping;
Fig. 8 is the structural representation of motor casing and fixture clamping.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the utility model is described in further detail.
Turnery processing motor casing hydraulic pressure automatic fixture as shown in the figure, comprise the clamp body 1 of hollow, the side of clamp body 1 is provided with packing 2, packing 2 offers the packing taper hole 21 suitable with the external diameter of main shaft (not shown), packing 2 is provided with the some soket head cap screws 22 for the main shaft that is threaded, packing 2 is fixedly connected with by some soket head cap screws 22 with main shaft, the opposite side of clamp body 1 is provided with blind flange 3, the outer end of blind flange 3 is provided with mistake proofing limited block 31, mistake proofing limited block 31 is provided with draw-in groove 32, draw-in groove 32 is suitable with the shape of the boss 61 on motor casing 6, blind flange 3 is provided with indexable clamp system, clamp system is connected with pull bar 5, one end of pull bar 5 passes from packing taper hole 21, pull bar 5 is driven by hydraulic rotating oil cylinder (not shown), pull bar 5 is suitable with spindle taper hole, under the drive of pull bar 5, indexable and the motor casing 6 that is fixedly clamped of clamp system.
Clamp system comprises spaced two taper pins 41 and indexable multiple clamping unit, each clamping unit comprises a hook 42 and a connecting axle 43, connecting axle 43 is connected to the tail end of hook 42, connecting axle 43 is connected with pull bar 5, connecting axle 43 is arranged on the first mount pad 44, first mount pad 44 is fixed on blind flange 3, the outer peripheral face of connecting axle 43 is provided with helicla flute 45, first axial groove 451 of rounding off connection successively before and after helicla flute 45 comprises, deep-slotted chip breaker 453 and the second axial groove 452, blind flange 3 is fixed with jackscrew 33, jackscrew 33 is connected with guide pad 34, the end of guide pad 34 is plugged in helicla flute 45, blind flange 3 is threaded for the locating dowel 35 of positioning motor shell 6, contour pad 36 is added between locating dowel 35 and blind flange 3, locating dowel 35 is positioned at the inner side of hook 42, each taper pin 41 is arranged on the second mount pad 46, second mount pad 46 is fixed on blind flange 3, the afterbody of each taper pin 41 is provided with a Compress Spring 47, motor casing 6 is provided with two the motor casing taper holes 62 corresponding with the front end of two taper pins 41, after motor casing 6 clamping, four hooks 42 hook motor casing 6 simultaneously, and four locating dowels 35 withstand motor casing 6 simultaneously, and the front end of two taper pins 41 embeds in two motor casing taper holes 62 respectively.
The front end of pull bar 5 is connected with attachment screw 51, attachment screw 51 comprises the threaded portion 52 and connecting portion 53 that are wholely set, pull bar 5 is threaded with threaded portion 51, connecting portion 53 is arranged with drive plate 54, the outer peripheral face of every root connecting axle 43 is provided with first ring connected in star 431, and the perisporium inlay card of drive plate 54 is in multiple first ring connected in star 431, and the perisporium of drive plate 54 is provided with breach 55, drive plate 54 is fixed with limited block 56, limited block 56 is near breach 55; The outer peripheral face of connecting portion 53 is provided with the second annular groove 531, the both sides of the second annular groove 531 are separately installed with a spheric washer 57, drive plate 54 is arranged between two spheric washers 57, the shape of the two sides of drive plate 54 and two spheric washers 57 is suitable, and two spheric washers 57 abut against the both sides of drive plate 54 respectively.
When above-mentioned fixture is installed, be fixed on main shaft by some soket head cap screws 22 by packing 2, make main shaft be plugged in packing taper hole 21, pull bar 5 inserts in spindle taper hole simultaneously.When starting clamping, fixture is in releasing orientation, and pull bar 5 is positioned at forward position, and the effect pushed away before four hooks 42 are subject to pull bar 5, is in releasing orientation; After loading motor casing 6 to be processed, in the draw-in groove 32 of boss 61 inlay card on motor casing 6 on mistake proofing limited block 31, thus motor casing 6 only has a setting angle on fixture, motor casing 6 in process is avoided to misplace, then, move after hydraulic rotating hydraulic oil cylinder driving pull bar 5, while pull bar 5 is pressed after driving each connecting axle 43 by drive plate 54, four pieces of guide pads 34 slide along each helicla flute 45 respectively, when four pieces of guide pads 34 move into after in deep-slotted chip breaker 453, four hooks 42 insert to clamped condition, complete clamping; After clamping completes, get final product the A hole of turnery processing motor casing 6, B face, C hole, D face, E face and F hole.After machining, hydraulic rotating hydraulic oil cylinder driving pull bar 5 moves forward, and four hooks 42 unclamp, and can unload the motor casing 6 processed.
Claims (10)
1. a turnery processing motor casing hydraulic pressure automatic fixture, it is characterized in that the clamp body comprising hollow, the side of described clamp body is provided with packing, described packing offers the packing taper hole suitable with the external diameter of main shaft, the opposite side of described clamp body is provided with blind flange, described blind flange is provided with indexable clamp system, described clamp system is connected with pull bar, one end of described pull bar passes from described packing taper hole, described pull bar is by hydraulic rotating hydraulic oil cylinder driving, described pull bar and spindle taper hole suitable, under the drive of described pull bar, indexable and the motor casing that is fixedly clamped of described clamp system.
2. a kind of turnery processing motor casing hydraulic pressure automatic fixture according to claim 1, is characterized in that described clamp system comprises spaced some taper pins and indexable multiple clamping unit, each described clamping unit comprises a hook and a connecting axle, described connecting axle is connected to the tail end of described hook, described connecting axle is connected with described pull bar, described connecting axle is arranged on the first mount pad, the first described mount pad is fixed on described blind flange, the outer peripheral face of described connecting axle is provided with helicla flute, described blind flange is fixed with jackscrew, described jackscrew is connected with guide pad, the end of described guide pad is plugged in described helicla flute, described blind flange is provided with the locating dowel for locating described motor casing, described locating dowel is positioned at the inner side of described hook, each described taper pin is arranged on second mount pad, the second described mount pad is fixed on described blind flange, the afterbody of each described taper pin is provided with a Compress Spring, described motor casing is provided with the some motor casing taper holes corresponding with the front end of described some taper pins, after motor casing clamping, multiple hook hooks motor casing simultaneously, and many locating dowels withstand motor casing simultaneously, and the front end of some taper pins embeds in some motor casing taper holes respectively.
3. a kind of turnery processing motor casing hydraulic pressure automatic fixture according to claim 2, is characterized in that described clamp system comprises spaced two taper pins and indexable four clamping units.
4. a kind of turnery processing motor casing hydraulic pressure automatic fixture according to claim 2, it is characterized in that described helicla flute comprise before and after successively rounding off connect the first axial groove, deep-slotted chip breaker and the second axial groove.
5. a kind of turnery processing motor casing hydraulic pressure automatic fixture according to claim 2, is characterized in that described locating dowel is threaded on described blind flange, adds contour pad between described locating dowel and described blind flange.
6. a kind of turnery processing motor casing hydraulic pressure automatic fixture according to claim 2, is characterized in that described packing being provided with the some soket head cap screws for the described main shaft that is threaded.
7. a kind of turnery processing motor casing hydraulic pressure automatic fixture according to any one of claim 2-6, it is characterized in that the front end of described pull bar is connected with attachment screw, described attachment screw comprises the threaded portion and connecting portion that are wholely set, described pull bar is connected with described threaded portion, described connecting portion is arranged with drive plate, the outer peripheral face of the connecting axle described in every root is provided with first ring connected in star, the perisporium inlay card of described drive plate is in multiple described first ring connected in star.
8. a kind of turnery processing motor casing hydraulic pressure automatic fixture according to claim 7, the outer peripheral face that it is characterized in that described connecting portion is provided with the second annular groove, the both sides of the second described annular groove are separately installed with a spheric washer, described drive plate is arranged between the spheric washer described in two, the shape of the two sides of described drive plate and the spheric washer described in two is suitable, and the spheric washer described in two abuts against the both sides of described drive plate respectively.
9. a kind of turnery processing motor casing hydraulic pressure automatic fixture according to claim 7, it is characterized in that the perisporium of described drive plate is provided with breach, described drive plate is fixed with limited block, described limited block is near described breach.
10. a kind of turnery processing motor casing hydraulic pressure automatic fixture according to claim 7, it is characterized in that the outer end of described blind flange is provided with mistake proofing limited block, described mistake proofing limited block is provided with draw-in groove, and the shape of the boss on described draw-in groove and described motor casing is suitable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520331015.6U CN204748136U (en) | 2015-05-21 | 2015-05-21 | Lathe work is hydraulic pressure automatic clamp for motor casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520331015.6U CN204748136U (en) | 2015-05-21 | 2015-05-21 | Lathe work is hydraulic pressure automatic clamp for motor casing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204748136U true CN204748136U (en) | 2015-11-11 |
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ID=54462890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520331015.6U Withdrawn - After Issue CN204748136U (en) | 2015-05-21 | 2015-05-21 | Lathe work is hydraulic pressure automatic clamp for motor casing |
Country Status (1)
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| CN (1) | CN204748136U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104907868A (en) * | 2015-05-21 | 2015-09-16 | 宁波海天精工股份有限公司 | Hydraulic automatic clamp for turning motor shell |
| CN106239197A (en) * | 2016-08-30 | 2016-12-21 | 宁波汇众汽车车桥制造有限公司 | The knuckle hold-down mechanism of a kind of beak shape pressure head and compression apparatus |
| CN110281041A (en) * | 2019-06-20 | 2019-09-27 | 宁波旭升汽车技术股份有限公司 | A kind of motor cylinder milling fixture |
-
2015
- 2015-05-21 CN CN201520331015.6U patent/CN204748136U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104907868A (en) * | 2015-05-21 | 2015-09-16 | 宁波海天精工股份有限公司 | Hydraulic automatic clamp for turning motor shell |
| CN106239197A (en) * | 2016-08-30 | 2016-12-21 | 宁波汇众汽车车桥制造有限公司 | The knuckle hold-down mechanism of a kind of beak shape pressure head and compression apparatus |
| CN110281041A (en) * | 2019-06-20 | 2019-09-27 | 宁波旭升汽车技术股份有限公司 | A kind of motor cylinder milling fixture |
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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 |
Granted publication date: 20151111 Effective date of abandoning: 20170908 |
|
| AV01 | Patent right actively abandoned |