CN203863412U - Wedge column type internal-clamping self-centering clamping device - Google Patents
Wedge column type internal-clamping self-centering clamping device Download PDFInfo
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- CN203863412U CN203863412U CN201420247752.3U CN201420247752U CN203863412U CN 203863412 U CN203863412 U CN 203863412U CN 201420247752 U CN201420247752 U CN 201420247752U CN 203863412 U CN203863412 U CN 203863412U
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Abstract
The utility model discloses a wedge column type internal-clamping self-centering clamping device. The clamping device comprises a connecting structure for being connected with a lathe, wherein a tensioning block seat provided with a middle through hole inside is connected with the connecting structure, the middle through hole is a straight through hole at the front section of the tensioning block seat, the middle through hole is a conical through hole at the back section of the tensioning block seat, a wedge column which is matched with the middle through hole in shape and capable of axially moving along the middle through hole is coaxially arranged in the tensioning block seat, an annular groove and an accommodating groove communicated with the middle through hole are formed in the back section of the tensioning block seat, an inclined sliding tensioning block capable of radially extending and retracting along the middle through hole along with the movement of the wedge column is arranged in the accommodating groove, a tension spring for enabling the inclined sliding tensioning block to be propped against the wedge column is arranged in the annular groove, the outer side of the inclined sliding tensioning block is connected with a tensioning block insert capable of extending and retracting along with the inclined sliding tensioning block, and the outer side of the tensioning block insert is sleeved with a case blank pipe during clamping. The wedge column type internal-clamping self-centering clamping device is high in university, compact and durable in structure and capable of well guaranteeing the machining accuracy.
Description
Technical field
The utility model relates to motor manufacturing technology field, relates in particular to a kind of for processing the wedge pillar inner clip centering and clamping apparatus always of the step of magneto casing.
Background technology
Motor be current countries in the world carry out electromechanics can change in most popular a kind of device, and magneto is due to its special structure and energisation mode, has obtained developing rapidly.Especially, the casing of the magneto of an existing large absolutely part is the structure of tube-shaped through hole shape, the two ends of this casing need turning step to be used for assembling front and rear cover, yet, the step at the two ends of casing guarantees certain axiality and concentricity, the assembling of guarantee magneto and the quality of complete machine adding man-hour requirement.Therefore, when the step at the two ends of turning casing, prior art generally adopts the pneumatic scroll chuck (version is wedge-type) as shown in Fig. 1 and Fig. 2 to come tensioner tubulose blanking inner hole to carry out turning, and in process, for guaranteeing axiality, all adopt the benchmark that the internal diameter of tubular blank is processing; Because the material of above-mentioned pneumatic scroll chuck 1 self determines its life in application, when pneumatic scroll chuck 1 is used of a specified duration, pneumatic scroll chuck 1 usually causes three claws 101 to there will be bell mouth shape because be worn, claw 101 also can depart from lathe spindle center at leisure, the form and position tolerance of institute's processing parts is increased, thereby cannot guarantee the axiality of the step at casing two ends and the endoporus of casing.Even if all repair its cylindrical precision before every batch of use, all cannot guarantee that every day, precision was closed in thousands of inferior rising, thereby cannot guarantee that the perpendicularity, axiality, concentricity of this product parts, below 0.15mm, more can not guarantee the scope below the desired 0.1mm of some casing.Meanwhile, in actual production process, because existing casing is diversified in specifications, thereby the claw 101 (removable) that will make large quantities of different sizes just can deal with daily production, and this just makes cost greatly increase.
Utility model content
The purpose of this utility model is to propose a kind ofly can guarantee well machining accuracy, and highly versatile, and compact conformation is durable wedge pillar inner clip centering and clamping apparatus always again.
For reaching this object, the utility model by the following technical solutions:
A kind of wedge pillar inner clip is centering and clamping apparatus always, comprise the syndeton for being connected with lathe, described syndeton is connected with the block body that rises that intermediate throughholes is offered in inside, described intermediate throughholes is clear opening at the leading portion of the described block body that rises, described intermediate throughholes is conical through-hole at the back segment of the described block body that rises, described inside of rising by block body is coaxially arranged with that shape and described intermediate throughholes match and can be along the wedge post of the axially-movable of described intermediate throughholes, on the back segment of the described block body that rises, offer the storage tank that annular groove and a plurality of annular space are arranged and be communicated with described intermediate throughholes, in described storage tank, be provided with can be with the motion of described wedge post along the oblique cunning of the radial expansion of the described intermediate throughholes piece that rises, in described annular groove, be provided with for making the described oblique cunning piece that rises push against the extension spring of described wedge post, described oblique cunning rises that the outside of piece is removably connected with can be with the described oblique cunning flexible piece mold insert that rises of piece that rises, during clamping, rise described in casing shell the is set in outside of piece mold insert.
Wherein, on the conical section coordinating with described conical through-hole of described wedge post, offer the skewed slot of annular arrangement, described skewed slot and the described oblique cunning piece corresponding matching one by one that rises.
Wherein, the end of the leading portion of the described block body that rises is connected with spacing flange, described spacing flange is provided with for the 4th groove when described wedge post accommodating described wedge post when described spacing flange moves, the bottom of described the 4th groove is provided with third through-hole, the inside of described syndeton is run through and is provided with the pull bar being connected with outer inside casing, and described pull bar is connected by crossing the attachment screw of described third through-hole with described wedge post.
Wherein, the distance between the end face of described wedge post and the bottom surface of described the 4th groove is 9mm, and the rise distance of stretch out and draw back of piece of described oblique cunning is less than 1mm.
Wherein, described syndeton comprises lathe adpting flange and flange Connection Block, one side of described lathe adpting flange is provided with the second connecting hole for being connected with lathe, the opposite side of described lathe adpting flange is provided with the first connecting hole and the first groove, described flange Connection Block is provided with the 4th connecting hole that runs through described flange Connection Block, described flange Connection Block is inserted in described the first groove, and described lathe adpting flange, described flange Connection Block are connected with described the 4th connecting hole formation by described the first connecting hole.
Wherein, described lathe adpting flange inside is provided with the first through hole, and the inside of described flange Connection Block is provided with the second through hole, and described the first through hole, described the second through hole and described third through-hole all coaxially arrange with described intermediate throughholes.
Wherein, a side away from described lathe adpting flange on described flange Connection Block is provided with the 3rd connecting hole and the second groove, the end of the leading portion of the described block body that rises is outward extended with connection boss, on described connection boss, be provided with the 5th connecting hole that runs through described connection boss, described connection boss is placed in described the second groove, and described in rise block body, described flange Connection Block by described the 5th connecting hole, be connected with described the 3rd connecting hole formation.
Wherein, the end of described connection boss is provided with the 6th connecting hole and the 3rd groove, on described spacing flange, be provided with the 11 connecting hole, described spacing flange is placed in described the 3rd groove, and described spacing flange, the block body that rises are connected with described the 6th connecting hole formation by described the 11 connecting hole.
Wherein, the end of the back segment of the described block body that rises is provided with dust cap, wherein, the end of the back segment of the described block body that rises is provided with the 7th connecting hole, described dust cap is provided with the 9th connecting hole, described in rise block body, described dust cap by described the 7th connecting hole, be connected with described the 9th connecting hole formation.
Wherein, described in the piece mold insert that rises comprise arc top surface, the inner side of described arc top surface and described casing shell pushes against setting, described in the rise both sides of piece mold insert stretch out and be provided with backstop ear, described backstop ear coordinates with the side of described storage tank.
The beneficial effects of the utility model are:
Wedge pillar inner clip of the present utility model is centering and clamping apparatus always, when original state, wedge post is in the side away from syndeton, utilize the conflict effect of wedge post to make the tiltedly sliding piece that rises drive the piece mold insert highest position in the axis away from intermediate throughholes together that rises, and the binding effect that utilizes extension spring makes the tiltedly sliding piece that rises clamp all the time wedge post, guarantee the stable connection of whole clamping device, avoid relative sliding between parts to cause unnecessary wearing and tearing, increase the service life, and when adding man-hour to casing shell, pull wedge post, make it to the lateral movement near syndeton, in this process, wedge post coordinates with intermediate throughholes, and tiltedly sliding rise piece and wedge post inconsistent in real time, along with the conical section of wedge post is towards the conical through-hole motion that deviates from intermediate throughholes, wedge post slips away and tiltedly slides the endoporus that the piece that rises forms, the oblique sliding piece that rises is driven rise piece mold insert together along intermediate throughholes radially and towards the axial-movement of intermediate throughholes, and under the tensioning function of extension spring, realize the contraction of the piece mold insert that rises, the outer diameter of a circle that the piece mold insert that makes to rise forms diminishes, and when this diameter is less than the diameter of bore of casing shell, just can very like a cork casing shell be set in to the outside of the piece mold insert that rises, promote again wedge post, make it to the lateral movement away from syndeton, now, wedge post still coordinates with intermediate throughholes, and tiltedly sliding piece and the wedge post of rising offsets, along with the conical through-hole motion towards intermediate throughholes of the conical section of wedge post, the oblique cunning that slips into wedge post rises in the endoporus that piece forms, the oblique sliding piece that rises is driven rise piece mold insert together along intermediate throughholes radially and the axial-movement that deviates from intermediate throughholes, and then realize the stretching, extension of the piece mold insert that rises, and recover initial position, also just casing shell is held out against, so that follow-up processing, utilize this clamping device not only easy to operate, and realize the flexible of the piece mold insert that rises by the axially-movable of wedge post, its clamping process is more stable, and realize and automatically determine center by wedge post 9, and utilize extension spring 8 to realize interior clamping, this just can guarantee machining accuracy well, and compact conformation is durable again, simultaneously, this clamping device utilizes dismountable piece mold insert that rises to hold out against casing shell, and need to hold out against for the casing shell of different size time, can be only by the replacing piece mold insert that rises, realize, without whole clamping device is changed or standby many cover clamping devices to deal with need of production, greatly strengthen its versatility, reduce consumptive material configuration, reduce production costs.
Accompanying drawing explanation
Fig. 1 is the structural representation of pneumatic scroll chuck of the prior art.
Fig. 2 be startup scroll chuck in Fig. 1 A-A to cross-sectional view.
Fig. 3 is the always structural representation of centering and clamping apparatus of wedge pillar inner clip of the present utility model.
Fig. 4 be wedge pillar inner clip in Fig. 3 always centering and clamping apparatus B-B to cross-sectional view.
Fig. 5 is the structural representation of the lathe adpting flange in Fig. 3.
Fig. 6 is the structural representation of the flange Connection Block in Fig. 3.
Fig. 7 be flange Connection Block in Fig. 6 A to structural representation.
Fig. 8 is the structural representation of the block body that rises in Fig. 3.
Fig. 9 be in Fig. 8 rise block body B to structural representation.
Figure 10 is the perspective view of the block body that rises in Fig. 8.
Figure 11 is the structural representation of the piece mold insert that rises in Fig. 3.
Figure 12 is the structural representation of the dust cap in Fig. 3.
Figure 13 is the structural representation of the wedge post in Fig. 3.
Figure 14 be wedge post in Figure 13 C to structural representation.
Figure 15 is the structural representation of the spacing flange in Fig. 3.
In figure: the pneumatic scroll chuck of 1-; 101-claw;
2-lathe adpting flange; 3-flange Connection Block; The 4-block body that rises; The 5-piece mold insert that rises; 6-is the sliding piece that rises tiltedly; 7-dust cap; 8-extension spring; 9-wedge post; 10-attachment screw; The spacing flange of 11-; 12-pull bar; 13-casing shell; 21-the first through hole; 22-the first groove; 23-the first connecting hole; 24-the second connecting hole; 31-the second through hole; 32-the second groove; 33-the 3rd connecting hole; 34-the 4th connecting hole; 41-leading portion; 42-back segment; 43-intermediate throughholes; 411-the 5th connecting hole; 412-the 6th connecting hole; 413-the 3rd groove; 421-annular groove; 422-storage tank; 423-the 7th connecting hole; 51-the 8th connecting hole; 52-arc top surface; 71-the 9th connecting hole; 91-the tenth connecting hole; 92-skewed slot; 1101-the 4th groove; 1102-third through-hole; 1103-the 11 connecting hole.
The specific embodiment
Below in conjunction with accompanying drawing and by the specific embodiment, further illustrate the technical solution of the utility model.
As shown in Fig. 3 to 15, a kind of wedge pillar inner clip is centering and clamping apparatus always, comprise the syndeton for being connected with lathe, syndeton is connected with the block body 4 that rises that intermediate throughholes 43 is offered in inside, intermediate throughholes 43 is clear opening at the leading portion 41 of the block body 4 that rises, intermediate throughholes 43 is conical through-hole at the back segment 42 of the block body 4 that rises, rise that the inside of block body 4 is coaxially arranged with shape and intermediate throughholes 43 matches and can be along the wedge post 9 of the axially-movable of intermediate throughholes 43, rise and offer annular groove 421 on the back segment 42 of block body 4 and a plurality of annular space is arranged and the storage tank 422 that is communicated with intermediate throughholes 43, in storage tank 422, be provided with can be with the motion of wedge post 9 along the oblique cunning of the radial expansion of intermediate throughholes 43 piece 6 that rises, in annular groove 421, be provided with for making tiltedly to slide the extension spring 8 that the piece 6 that rises pushes against wedge post 9, tiltedly be removably connected with can be with the oblique cunning flexible piece mold insert 5 that rises of piece 6 that rises in the outside of the sliding piece 6 that rises, during clamping, casing shell 13 is set in the outside of the piece mold insert 5 that rises.
Wedge pillar inner clip of the present utility model is centering and clamping apparatus always, when original state, wedge post 9 is in the side away from syndeton, utilize the conflict effect of wedge post 9 to make the tiltedly sliding piece 6 that rises drive piece mold insert 5 highest position in the axis away from intermediate throughholes 43 together that rises, and the binding effect that utilizes extension spring 8 makes the tiltedly sliding piece 6 that rises clamp all the time wedge post 9, guarantee the stable connection of whole clamping device, avoid relative sliding between parts to cause unnecessary wearing and tearing, increase the service life, and when adding man-hour to casing shell 13, pull wedge post 9, make it to the lateral movement near syndeton, in this process, wedge post 9 coordinates with intermediate throughholes 43, and tiltedly the sliding piece 6 that rises is inconsistent in real time with wedge post 9, along with the conical section of wedge post 9 is towards the conical through-hole motion that deviates from intermediate throughholes 43, wedge post 9 slips away and tiltedly slides the endoporus that the piece that rises forms, the oblique sliding piece 6 that rises is driven rise piece mold insert 5 together along intermediate throughholes 43 radially and towards the axial-movement of intermediate throughholes 43, and under the tensioning function of extension spring 8, realize the contraction of the piece mold insert 5 that rises, the outer diameter of a circle that the piece mold insert 5 that makes to rise forms diminishes, and when this diameter is less than the diameter of bore of casing shell 13, just can very like a cork casing shell 13 be set in to the outside of the piece mold insert 5 that rises, promote again wedge post 9, make it to the lateral movement away from syndeton, now, wedge post 9 still coordinates with intermediate throughholes 43, and tiltedly the sliding piece 6 that rises offsets with wedge post 9, along with the conical through-hole motion towards intermediate throughholes 43 of the conical section of wedge post 9, the oblique cunning that slips into wedge post 9 rises in the endoporus that piece forms, the oblique sliding piece 6 that rises is driven rise piece mold insert 5 together along intermediate throughholes 43 radially and the axial-movement that deviates from intermediate throughholes 43, and then realize the stretching, extension of the piece mold insert 5 that rises, and recover initial position, also just casing shell 13 is held out against, so that follow-up processing, utilize this clamping device not only easy to operate, and realize the flexible of the piece mold insert that rises by the axially-movable of wedge post, its clamping process is more stable, and realize and automatically determine center by wedge post 9, and utilize extension spring 8 to realize interior clamping, this just can guarantee machining accuracy well, and compact conformation is durable again, simultaneously, this clamping device utilizes dismountable piece mold insert 5 that rises to hold out against casing shell 13, and need to hold out against for the casing shell 13 of different size time, can be only by the replacing piece mold insert 5 that rises, realize, without whole clamping device is changed or standby many cover clamping devices to deal with need of production, greatly strengthen its versatility, reduce consumptive material configuration, reduce production costs.
Especially, on the conical section coordinating with conical through-hole of wedge post 9, offer the skewed slot 92 of annular arrangement, skewed slot 92 and oblique sliding piece 6 corresponding matching one by one that rises.Utilize skewed slot 92 and tiltedly slide the corresponding matching one by one of the piece 6 that rises, can limit well the oblique cunning piece 6 that rises, avoid the tiltedly sliding axially-movable of piece 6 around intermediate throughholes 43 of rising, also can limit well wedge post 9 around the axially-movable of intermediate throughholes 43 simultaneously, make no matter whole clamping device is in motion process or in clamping process, capital is more stable, and reliability is higher.
The rise end of leading portion 41 of block body 4 is connected with spacing flange 11, spacing flange 11 is provided with for the 4th groove 1101 when wedge post 9 accommodating wedge post 9 when spacing flange 11 moves, the bottom of the 4th groove 1101 is provided with third through-hole 1102, the inside of syndeton is run through and is provided with the pull bar 12 being connected with outer inside casing, and pull bar 12 is connected by crossing the attachment screw 10 of third through-hole 1102 with wedge post 9.Concrete, the end of wedge post 9 is provided with the tenth connecting hole 91, and wedge post 9 coordinates by attachment screw 10 and the tenth connecting hole 91, and realization is connected with pull bar 12.In fact, in the present embodiment, the motion of wedge post 9 relies on pull bar 12 and completes, and the motion of pull bar 12 is to realize by the helicoid cylinder of outside.That is to say, after whole clamping device being fixed on lathe by syndeton, utilize helicoid cylinder to pull pull bar 12, make wedge post 9 when the direction of syndeton is moved and retreat to the bottom surface of the 4th groove 1101 of spacing flange 11, backstop action is played to wedge post 9 in the bottom surface of the 4th groove 1101, and make its stop motion, and namely by 1101 pairs of wedge posts of the 4th groove 9, realize location and spacing automatically, in order to avoid pull distance is excessive, make device unreliable; Otherwise, after casing shell 13 packages, can stir and control the reversal valve handle that helicoid cylinder turns to, make the reverse pushing drawing rod 12 of helicoid cylinder, and then promote wedge post 9 to clamp casing shell 13; Above-mentioned method of clamping is easy and simple to handle, and safe and reliable.Generally, distance between the bottom surface of the end face of wedge post 9 and the 4th groove 1101 is 9mm, tiltedly the distance of stretch out and draw back of the sliding piece 6 that rises is less than 1mm, after this just makes the oblique sliding piece 6 that rises shrink, the outside diameter of its piece mold insert 5 that rises is than the little 1mm of the internal diameter of casing shell 13, so that being inserted in and taking out of casing shell 13, and need to clamp time, also the displacement of piece mold insert 5 of only need to rising is less than 0.5mm, and the traveled distance of the pull bar 12 of helicoid cylinder is that 6mm just can realize tensioning or loose unloading, its stroke is short, consuming time short, can effectively enhance productivity.
Syndeton comprises lathe adpting flange 2 and flange Connection Block 3, one side of lathe adpting flange 2 is provided with the second connecting hole 24 for being connected with lathe, the opposite side of lathe adpting flange 2 is provided with the first connecting hole 23 and the first groove 22, flange Connection Block 3 is provided with the 4th connecting hole 34 that runs through flange Connection Block 3, flange Connection Block 3 is inserted in the first groove 22, and lathe adpting flange 2, flange Connection Block 3 is connected with the 4th connecting hole 34 formation by the first connecting hole 23.
Lathe adpting flange 2 inside are provided with the first through hole 21, and the inside of flange Connection Block 3 is provided with the second through hole 31, and the first through hole 21, the second through hole 31 and third through-hole 1102 all coaxially arrange with intermediate throughholes 31.By the coaxial setting between above-mentioned parts, further to improve the axiality of whole clamping device and lathe spindle, and then raising machining accuracy, guarantee the stepped hole at two ends of casing shell 13 and the axiality between endoporus, finally meet the high-precision requirement of magneto.
A side away from lathe adpting flange 2 on flange Connection Block 3 is provided with the 3rd connecting hole 33 and the second groove 32, the rise end of leading portion 41 of block body 4 is outward extended with connection boss, connect on boss and be provided with and run through the 5th connecting hole 411 that connects boss, connect boss and be placed in the second groove 32, and the block body 4 that rises, flange Connection Block 3 are connected with the 3rd connecting hole 33 formation by the 5th connecting hole 411.
The end that connects boss is provided with the 6th connecting hole 412 and the 3rd groove 413, on spacing flange 11, be provided with the 11 connecting hole 1103, spacing flange 11 is placed in the 3rd groove 413, and spacing flange 11, the block body 4 of rising are connected with the 6th connecting hole 412 formation by the 11 connecting hole 1103.
Further, the rise end of back segment 42 of block body 4 is provided with dust cap 7, and wherein, the end of the back segment 42 of the block body 4 that rises is provided with the 7th connecting hole 423, dust cap 7 is provided with the 9th connecting hole 71, and the block body 4 that rises, dust cap 7 are formed and are connected with the 9th connecting hole 71 by the 7th connecting hole 423.
And the quantity of storage tank 422 is 4, accordingly, tiltedly the quantity of the sliding piece 6 that rises is 4, and the quantity of the piece mold insert 5 that rises is 4.At four direction, push against casing shell 13, more stable, and for storage tank 422 four quadrantal points places at a circle, processing is more prone to, precision also easily guarantees.
In the present embodiment, as shown in figure 11, the piece mold insert 5 that rises comprises arc top surface 52, and arc top surface 52 pushes against setting with the inner side of casing shell 13, and the side of the piece mold insert 5 that rises stretches out and is provided with backstop ear, and backstop ear coordinates with the side of storage tank 422.Particularly, (a) in Figure 11, (b), (c), (d), (e) represent the piece mold insert 5 that rises of five kinds of different arc top surfaces 52, and on the piece mold insert 5 that rises, be provided with the 8th connecting hole 51 for being connected with the oblique cunning piece 6 that rises, the concrete difference of these piece mold inserts 5 that rise is that the radius of arc top surface 52 is different, particularly, the arc radius of the arc top surface 52 of the piece mold insert 5 that rises in (a) in Figure 11 is 29mm, the arc radius of the arc top surface 52 of the piece mold insert 5 that rises in (b) in Figure 11 is 35.5mm, the arc radius of the arc top surface 52 of the piece mold insert 5 that rises in (c) in Figure 11 is 38.75mm, the arc radius of the arc top surface 52 of the piece mold insert 5 that rises in (d) in Figure 11 is 48.25mm.And the arc radius of the arc top surface 52 of the piece mold insert 5 that rises in (e) in Figure 11 is 46.8mm, this just makes the mild degree varies sample of camber line of arc top surface 52, can be respectively used to the processing of endoporus of the casing shell 13 of different size, and versatility strengthens.No matter be any camber line end face 52, can be applied in clamping device of the present utility model, in order to support well and tensioner casing shell 13.
In order to guarantee the clamping effect of this clamping device, and guarantee post-production precision, the wedge pillar inner clip of the present utility model always processing and making process of each parts of centering and clamping apparatus is had relatively high expectations, specific as follows:
1) lathe adpting flange: standard component model C 6132 lathe chuck flanges are contained on lathe spindle after cleaning out, the step that processing coordinates with flange Connection Block cylindrical, processing request: interference fits.Completion of processing disassembles the first connecting hole 23 of four mounting flange Connection Blocks of reprocessing, its objective is in order to guarantee the axiality of flange Connection Block 3 and lathe spindle.
2) flange Connection Block 3 is cleaned out and is arranged on lathe adpting flange 2 and trip bolt, then lathe adpting flange 2 coupling parts is wiped clear, refuels and guarantees the accuracy that lathe adpting flange 2 is installed and be arranged on lathe spindle; After installation, with dial gauge, measure the circular runout of flange Connection Block 3 cylindricals, numerical value note order is standby; The second groove 32 of being connected with the block body 4 that rises of reprocessing, is also the precision processing by interference fits, and its object is also the rise axiality of block body 4 and lathe spindle of assurance.
3) the block body 4 that rises is main bodys of whole clamping device, its material is to make of high alloy tool steel Cr12, because of this material quenching hardness high, through hardening layer depth, the features such as wearability is fairly good, so processing is risen, the procedure of processing of block body 4 is: the cutting of roughing-heat treatment (HRC530-550)-half finish turning-peripheral milling-line.
4) wedge post 9 is driving elements of clamping device, and material is high alloy tool steel Cr12.The tenth connecting hole 91 of wedge post 9 is for connecting the pull bar 12 of helicoid cylinder, thereby promotes clamping device by workpiece (being casing shell 13) tensioner.Its procedure of processing is: half finish turning one peripheral milling one line cutting of roughing one heat treatment (HRC530-550).
5) tiltedly the sliding piece 6 that rises is clamping device driven elements, and material is that height closes tool steel Cr12.Procedure of processing is: finish turning one vacuum heat (HRC530-550) flat stone mill one line cuts a flat stone mill.
6) the piece mold insert 5 that rises is mold inserts that the internal diameter different size of casing shell 13 is processed, it is also by 45# steel heat treatment HRC350-380 line cutting processing mold insert out, by wire cutting technology, process the uniformity that can guarantee mold insert, guaranteed that uniformity just can guarantee the precision of this clamping device.
Above-mentioned processing mode all adopts Precision Machining, object is the abrasion resistance that guarantees institute's processing component, concentricity, perpendicularity and position degree, the only required precision of guaranteed parts, just can reach the service precision of clamping device, thereby the quality of casing processing is just protected.
Wedge pillar inner clip of the present utility model always centering and clamping apparatus has solved the precision deficiency existing in prior art, durable degree is poor, claw consumptive material is large, the defects such as difficult quality control, provide a kind of bulk strength high, good rigidly, accurate positioning, rub proofness and high life, compact conformation, and the clamping device that crudy is reliable and stable, reduced the centrifugal force noise that scroll chuck brings, stroke while having shortened cylinder clamping, make Pneumatic Transmission reaction fast, stroke is short, be swift in motion, thereby non-cutting time is short aborning, production efficiency increases.And, through the production practices through six months, prove, it has improved production efficiency greatly, the Product Precision of producing, no matter concentricity or perpendicularity can guarantee in the scope of 0.1mm, and maintenance did not also occur long-time use, and its reliability is high, good stability, can guarantee machining accuracy well.In addition, wedge pillar inner clip of the present utility model is centering and clamping apparatus always, not only can be for engine lathe, can also be for numerically controlled lathe, and its steady quality, has stronger practicality.
Know-why of the present utility model has below been described in conjunction with specific embodiments.These are described is in order to explain principle of the present utility model, and can not be interpreted as by any way the restriction to the utility model protection domain.Explanation based on herein, those skilled in the art does not need to pay performing creative labour can associate other specific embodiment of the present utility model, within these modes all will fall into protection domain of the present utility model.
Claims (10)
1. wedge pillar inner clip centering and clamping apparatus always, it is characterized in that, comprise the syndeton for being connected with lathe, described syndeton is connected with the block body (4) that rises that intermediate throughholes (43) is offered in inside, the leading portion (41) of described intermediate throughholes (43) in described block body (4) of rising is clear opening, the back segment (42) of described intermediate throughholes (43) in described block body (4) of rising is conical through-hole, described inside of rising by block body (4) is coaxially arranged with that shape and described intermediate throughholes (43) match and can be along the wedge post (9) of the axially-movable of described intermediate throughholes (43), on the back segment (42) of described block body (4) of rising, offer annular groove (421) and a plurality of annular space is arranged and the storage tank (422) that is communicated with described intermediate throughholes (43), in described storage tank (422), be provided with can be with the motion of described wedge post (9) along the oblique cunning of the radial expansion of described intermediate throughholes (43) piece (6) that rises, in described annular groove (421), be provided with for making the described oblique cunning piece (6) that rises push against the extension spring (8) of described wedge post (9), described oblique cunning rises that the outside of piece (6) is removably connected with can be with the described oblique cunning flexible piece mold insert (5) that rises of piece (6) that rises, during clamping, rise described in casing shell (13) the is set in outside of piece mold insert (5).
2. wedge pillar inner clip according to claim 1 centering and clamping apparatus always, it is characterized in that, on the conical section coordinating with described conical through-hole of described wedge post (9), offer the skewed slot (92) of annular arrangement, described skewed slot (92) and described oblique cunning piece (6) corresponding matching one by one that rises.
3. wedge pillar inner clip according to claim 1 centering and clamping apparatus always, it is characterized in that, the end of the leading portion (41) of described block body (4) of rising is connected with spacing flange (11), described spacing flange (11) is provided with for the 4th groove (1101) when described wedge post (9) accommodating described wedge post (9) when described spacing flange (11) moves, the bottom of described the 4th groove (1101) is provided with third through-hole (1102), the inside of described syndeton is run through and is provided with the pull bar (12) being connected with outer inside casing, described pull bar (12) is connected by crossing the attachment screw (10) of described third through-hole (1102) with described wedge post (9).
4. wedge pillar inner clip according to claim 3 centering and clamping apparatus always, it is characterized in that, distance between the bottom surface of the end face of described wedge post (9) and described the 4th groove (1101) is 9mm, and the rise distance of stretch out and draw back of piece (6) of described oblique cunning is less than 1mm.
5. wedge pillar inner clip according to claim 3 centering and clamping apparatus always, it is characterized in that, described syndeton comprises lathe adpting flange (2) and flange Connection Block (3), one side of described lathe adpting flange (2) is provided with the second connecting hole (24) for being connected with lathe, the opposite side of described lathe adpting flange (2) is provided with the first connecting hole (23) and the first groove (22), described flange Connection Block (3) is provided with the 4th connecting hole (34) that runs through described flange Connection Block (3), described flange Connection Block (3) is inserted in described the first groove (22), and described lathe adpting flange (2), described flange Connection Block (3) is formed and is connected with described the 4th connecting hole (34) by described the first connecting hole (23).
6. wedge pillar inner clip according to claim 5 centering and clamping apparatus always, it is characterized in that, described lathe adpting flange (2) inside is provided with the first through hole (21), the inside of described flange Connection Block (3) is provided with the second through hole (31), and described the first through hole (21), described the second through hole (31) and described third through-hole (1102) all coaxially arrange with described intermediate throughholes (31).
7. wedge pillar inner clip according to claim 5 centering and clamping apparatus always, it is characterized in that, the upper side away from described lathe adpting flange (2) of described flange Connection Block (3) is provided with the 3rd connecting hole (33) and the second groove (32), the end of the leading portion (41) of described block body (4) of rising is outward extended with connection boss, on described connection boss, be provided with the 5th connecting hole (411) that runs through described connection boss, described connection boss is placed in described the second groove (32), and described in the block body (4) that rises, described flange Connection Block (3) is formed and is connected with described the 3rd connecting hole (33) by described the 5th connecting hole (411).
8. wedge pillar inner clip according to claim 7 centering and clamping apparatus always, it is characterized in that, the end of described connection boss is provided with the 6th connecting hole (412) and the 3rd groove (413), on described spacing flange (11), be provided with the 11 connecting hole (1103), described spacing flange (11) is placed in described the 3rd groove (413), and described spacing flange (11), the block body (4) that rises are connected with described the 6th connecting hole (412) formation by described the 11 connecting hole (1103).
9. according to the centering and clamping apparatus always of the wedge pillar inner clip described in claim 1 to 8 any one, it is characterized in that, the end of the back segment (42) of described block body (4) of rising is provided with dust cap (7), wherein, the end of the back segment (42) of described block body (4) of rising is provided with the 7th connecting hole (423), described dust cap (7) is provided with the 9th connecting hole (71), described in rise block body (4), described dust cap (7) by described the 7th connecting hole (423), be connected with described the 9th connecting hole (71) formation.
10. wedge pillar inner clip according to claim 9 centering and clamping apparatus always, it is characterized in that, the described piece mold insert (5) that rises comprises arc top surface (52), described arc top surface (52) pushes against setting with the inner side of described casing shell (13), the described side that rises by piece mold insert (5) stretches out and is provided with backstop ear, and described backstop ear coordinates with the side of described storage tank (422).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420247752.3U CN203863412U (en) | 2014-05-14 | 2014-05-14 | Wedge column type internal-clamping self-centering clamping device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420247752.3U CN203863412U (en) | 2014-05-14 | 2014-05-14 | Wedge column type internal-clamping self-centering clamping device |
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| Publication Number | Publication Date |
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| CN203863412U true CN203863412U (en) | 2014-10-08 |
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| CN201420247752.3U Expired - Fee Related CN203863412U (en) | 2014-05-14 | 2014-05-14 | Wedge column type internal-clamping self-centering clamping device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105222690A (en) * | 2015-10-15 | 2016-01-06 | 南车青岛四方机车车辆股份有限公司 | Hole-bored axle from end to end coaxiality of inner hole pick-up unit |
| CN105834470A (en) * | 2016-04-29 | 2016-08-10 | 武汉船用机械有限责任公司 | Universal tensioning device for thin-wall rotation type components |
| CN106914762A (en) * | 2017-05-01 | 2017-07-04 | 桐乡市百宝电子商务有限公司 | A kind of centering and clamping apparatus of stairstepping sleeve |
| CN109013796A (en) * | 2018-09-30 | 2018-12-18 | 凯龙高科技股份有限公司 | A kind of tubing hemming device |
| CN114102286A (en) * | 2021-12-20 | 2022-03-01 | 无锡一机磨床制造有限公司 | High accuracy pottery pipe is positioning fixture for grinding machine |
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2014
- 2014-05-14 CN CN201420247752.3U patent/CN203863412U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105222690A (en) * | 2015-10-15 | 2016-01-06 | 南车青岛四方机车车辆股份有限公司 | Hole-bored axle from end to end coaxiality of inner hole pick-up unit |
| CN105222690B (en) * | 2015-10-15 | 2017-10-27 | 中车青岛四方机车车辆股份有限公司 | Hole-bored axle from end to end coaxiality of inner hole detection means |
| CN105834470A (en) * | 2016-04-29 | 2016-08-10 | 武汉船用机械有限责任公司 | Universal tensioning device for thin-wall rotation type components |
| CN106914762A (en) * | 2017-05-01 | 2017-07-04 | 桐乡市百宝电子商务有限公司 | A kind of centering and clamping apparatus of stairstepping sleeve |
| CN109013796A (en) * | 2018-09-30 | 2018-12-18 | 凯龙高科技股份有限公司 | A kind of tubing hemming device |
| CN109013796B (en) * | 2018-09-30 | 2024-05-24 | 凯龙高科技股份有限公司 | Pipe crimping device |
| CN114102286A (en) * | 2021-12-20 | 2022-03-01 | 无锡一机磨床制造有限公司 | High accuracy pottery pipe is positioning fixture for grinding machine |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20141008 Termination date: 20210514 |