CN110524885A - A kind of increasing material manufacturing inner hole of workpiece goes support device - Google Patents
A kind of increasing material manufacturing inner hole of workpiece goes support device Download PDFInfo
- Publication number
- CN110524885A CN110524885A CN201910350803.2A CN201910350803A CN110524885A CN 110524885 A CN110524885 A CN 110524885A CN 201910350803 A CN201910350803 A CN 201910350803A CN 110524885 A CN110524885 A CN 110524885A
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- outer shaft
- mandrel
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- movement
- turn
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/30—Auxiliary operations or equipment
- B29C64/379—Handling of additively manufactured objects, e.g. using robots
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
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- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
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- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The present invention relates to a kind of increasing material manufacturing inner hole of workpiece to go support device, rotation active drive structure is equipped with including one end, the other end is equipped with mandrel in the movement of elastic parts, one end be equipped with cooperation rotation active drive structure be driven to rotate structure and cutter assembly turn outer shaft, it further include location structure, mandrel insertion can turn in outer shaft in movement, by location structure by elastic parts, it mandrel and outer shaft can be turned is combined into coaxial one in movement, elastic parts can be compressed axially and stretch reset, drive mandrel axial reciprocating displacement in mobile, so that the structure that is driven to rotate that mandrel driving can turn outer shaft in mobile acts, it can turn outer shaft completion to circumferentially rotate once, cutter assembly is driven to complete circumferential cutting support primary, the exhibition of elastic parts Shen can be compressed axially next time after resetting, complete circumferential cutting support next time.Apparatus of the present invention compared with the existing technology go the support working time, improve working efficiency, will support the more clean of removal by scheme saving.
Description
Technical field
The present invention relates to increases material manufacturing technology field, in particular to a kind of increasing material manufacturing inner hole of workpiece goes support device.
Background technique
Increases material manufacturing technology, also referred to as 3D printing are to be based on Computerized three-dimensional CAD model, straight by the way of successively accumulating
The method for connecing manufacture three dimensional physical entity.Increases material manufacturing technology can produce arbitrarily complicated shape in equipment fast precise
The components of shape and structure, to realize " freely manufacturing ".These technologies towards aerospace, weapon manufacture, automobile, mold with
And the high-end manufacturing field such as biologic medical, directly manufacture 3 D complex structure, solution conventional fabrication processes are difficult to even add
Work manufactures problem.
Increasing material manufacturing can directly manufacture complicated workpiece, and the period is short, high-efficient, and stock utilization is high, especially
Suitable for manufacture personalization and parts with complex structures.Therefore the form workpiece being manufactured cannot or be difficult to for tradition, it is intended to
The mode of selection increasing material manufacturing is manufactured.
But such workpiece is often accompanied by cavity structure and is dangled due to the complexity of its structure.The meeting of pendency
Lead to collapsing or warping for part-structure during increasing material manufacturing, to seriously affect the quality of structural member entirety.In order to keep away
Exempt from influence of the hanging position to component, is generally advised during increasing material manufacturing by adjusting component mathematical model placement angle
It keeps away.But certain structures part, even if having adjusted component mathematical model angle, can not also be evaded completely because of the particularity of its own.This
When can only prevent pendency position from collapsing or warp by addition support.This has resulted in the workpiece that increasing material manufacturing goes out, and needs
It is supported the post-processing of removal.
The support of general complex part depends on outer surface of workpiece generation, it is easy to be removed.But some complex parts
Because its own design has biggish inner hole or tubing channel, so that support can be only generated in inside workpiece, it is effectively quick to the later period
Removal supporting part carrys out very big difficulty.
The existing hole for removing this class formation or the support scheme in tubing channel, to use flat chisel or other simple ends
Sharp tool rasps away support by tapping punching manually.It is existing that flat chisel or other simple end sharp tools are tapped by craft, it is right
Support carries out rushing to rasp away falling.Mode of operation, which can not completely remove, in this way is supported on the end that workpiece surface leaves, and in most feelings
This scheme only thrusts support from centre under condition, can not cut completely support and fall.Due to inner hole or pipe passage week
It encloses closed invisible, the position for the support of being removed can not be accurately positioned when manually putting in flat chisel or other tools, in this way
It results in repeating and inefficient punching file.Such mode expends the time and consumes one's strength, and can not obtain more intact removal
Support surface.
Or by machine cut processing method, carry out designated position removal support.Using traditional machining removal side
Method, though it can preferably and quickly remove support.But complex part clamping on machine tool is time-consuming, and the hole that some needs position
Road needs to carry out numerical control programming positioning, and the overall processing cutting time is short.So in workpiece pre-processing overlong time, occupy
Machine tool resource is wasted, and the method for so removal support will increase very big economic cost for component processing itself and bear.
Summary of the invention
The shortcomings that present invention is in order to overcome the prior art provides a kind of increasing material manufacturing inner hole of workpiece and goes support device, saves
The support working time is gone, working efficiency is improved, the more clean of removal will be supported；It is operated relative to machining process more simple
Just, extra cost will not be increased to the processing of this support.
A kind of increasing material manufacturing inner hole of workpiece of the present invention goes support device, it is characterised in that: is equipped with rotation actively including one end
Driving structure, the other end are equipped with mandrel in the movement of elastic parts, and one end is equipped with the quilt for cooperating the rotation active drive structure
Driving rotational structure and cutter assembly turn outer shaft, further include location structure, can turn described in mandrel insertion in the movement
In outer shaft, by the location structure by the elastic parts, it is mobile in mandrel and outer shaft can be turned be combined into coaxial one
Body, the elastic parts can be compressed axially and stretch reset, drive mandrel axial reciprocating in the movement to be displaced, so that the shifting
The structure that is driven to rotate that can turn outer shaft in dynamic described in the rotation active drive structure driving of mandrel acts, described to turn outer shaft
Set is completed to circumferentially rotate once, and then drives the cutter assembly to complete circumferential cutting and support primary, elastic parts Shen exhibition
It can be compressed axially next time after reset, complete circumferential cutting support next time.
Specifically, the rotation active drive structure be uniformly distributed wedge block (the one of wedge block in one end of mandrel in moving
While parallel with axis, another side is at an acute angle with axis), it is described be driven to rotate structure for can turn outer shaft inner cavity setting with institute
The wedge shape space of wedge block cooperation is stated, the wedge block and the wedge shape space form angle coupling, and the elastic parts is axial
The wedge block, which is axially moved, when compression is inserted into the wedge shape space and can turn the angled rotation of outer shaft to drive, when can
Turn to drive the cutter assembly that can turn on outer shaft to rotate together when outer shaft rotation, completes circumferential cutting support.
Further, it is flat that the end head that mandrel is equipped with rotation active drive structure one end in the movement is additionally provided with abatement
Shovel.
Further, the other end for turning outer shaft is additionally provided with sleeve, is equipped with first straight line bushing in the sleeve,
The first straight line bushing axial restraint is socketed in the other end that can turn outer shaft.
Specifically, the elastic parts includes spring, spring top cover and the first spring for being inserted in the mandrel other end in mobile
Fixed structure, the mandrel other end is equipped with the second spring fixed structure matched with the first spring-fixed structure in the movement,
The location structure include it is described write off second external screw thread of flat chisel one end, mandrel one end in the movement with matching
What the second internal thread hole, first positioning surface for writing off flat chisel, described one end for turning outer shaft were equipped with determines with described first
The second positioning surface that plane matches, the location structure further include the other end inner cavity setting that can turn outer shaft with institute
The third positioning surface of spring one end contact positioning is stated, another end in contact of spring is positioned at the 4th positioning surface of spring top cover；
Mandrel insertion in the movement can be turned into outer shaft, then the spring is inserted in the mandrel other end in mobile, the one of the spring
End in contact can turn another the 4th positioning surface of end in contact of third positioning surface of outer shaft, first spring-fixed structure and the second bullet
The spring is limited in that third positioning surface is good between the 4th positioning surface by the cooperation of spring fixed structure, described abatement flat chisel one end
Second external screw thread is screwed into second internal thread hole of mandrel one end in the movement, first positioning surface for writing off flat chisel with it is described
It can turn the second positioning face contact positioning of outer shaft.
It further, further include bearing, the bearing is fixed at one end of the spring and can turn the of outer shaft
Between three positioning surfaces, one end of the spring is contacted with the fixation of the inner ring of the bearing.
It further, further include second straight line bushing, the second straight line bushing is fixedly attached to mandrel in the movement
One end.
Preferably, the second straight line bushing is two, and interval is fixedly attached to one end of mandrel in the movement.
Specifically, the cutter assembly includes being set to the knife grain fixed bit that can turn outer shaft one end and being installed on institute
State the knife grain of knife grain fixed bit.
Preferably, the knife grain fixed bit and be installed on the knife grain fixed bit knife grain it is equal there are four.
Apparatus of the present invention monnolithic case is rounded and diameter can match with hole or duct size, works as apparatus of the present invention
Fine positioning action can be played when being put into hole or the pipeline of support, each external force taps spring top cover as shown in Figure IV
When, the abatement flat chisel gone out can accurately write off very much in cutting hole or pipe inside support.Writing off flat chisel can retract upwards automatically, phase
Than lifting primary mode using the percussion of simple flat chisel is once manual-up in existing, substantially reduces labor intensity and improve
Working efficiency.
The knife grain that apparatus of the present invention lower end is installed is similar to, the milling cutter of tradition machinery processing.Striking with external force every time
Rotation is hit, lower section knife grain point of a knife is will drive and circular hole inner peripheral wall is cut, the branch under capable of being remained by the punching of abatement flat chisel
Support removal.Relative to existing removing method, hole or pipeline inner peripheral wall more preferably can be more rapidly cleaned out, and the present apparatus works as knife grain
When blunt damage occurs in point of a knife, knife grain fixed screw directly more tool changing grain can be unclamped.
In short, apparatus of the present invention combine the existing technology for writing off flat chisel technology by hand and going support with machining, it will
Spring, shock driver Principle of Rotating, milling cutter cutting principle, which combine, realizes that increasing material manufacturing inner hole of workpiece goes to support, relative to existing
There is technical solution to save go the support working time, improve working efficiency, the more clean of removal will be supported.Relative to machining
Method operation is more easy, will not increase extra cost to the processing of this support.
Detailed description of the invention
Fig. 1 is the outline structural diagram of apparatus of the present invention；
Fig. 2 is the C direction view of Fig. 1；
Fig. 2 a is the sectional view along A-A of Fig. 2；
The B-B direction cross-sectional view (forming angle coupling) that Fig. 2 b is Fig. 2 a；
Fig. 3 is the structure member perspective view of the explosion of apparatus of the present invention；
Fig. 4 is core shaft structure component perspective view of the explosion in the movement of apparatus of the present invention；
Fig. 5 is the outline structural diagram of mandrel one end in the movement of apparatus of the present invention；
Fig. 5 a is the D direction view of Fig. 5；
Fig. 5 b is the E direction view of Fig. 5；
Fig. 5 c is the F direction view of Fig. 5；
Fig. 5 d is the G direction view of Fig. 5；
Fig. 5 e is mandrel schematic perspective view in the movement of invention device；
Fig. 6 turns external shaft sleeve structure component perspective view of the explosion for apparatus of the present invention；
Fig. 7 is wedge shape space interior in the outer shaft of apparatus of the present invention；
Fig. 7 a is the H-H of Fig. 7 to cross-sectional view.
Wherein: 1 first screw, 1-1 first through hole, 2 spring top covers, 3 springs, the fixed end cap of 4 bearings, the outer spiral shell of 4-01 third
Line, 5 bearings, 6 it is mobile in mandrel, mandrel in 6-01, the first slot position of 6-01-1,6-01-2 first boss, 6-01-3 first axle
Face, the second slot position of 6-01-4,6-01-5 third slot position, the second axial plane of 6-01-6, the 4th slot position of 6-01-7,6-01-8 wedge block,
The second internal thread hole of 6-01-9, the first internal thread hole of 6-01-10,6-02 rubber ring, 6-03-01 second straight line bushing, 6-04-1
First snap ring, the second snap ring of 6-04-2,6-04-3 third snap ring, 7 can turn outer shaft, 7-01 outer shaft, and 7-01-1 second is convex
Platform, the second axial plane of 7-01-2, the first annular groove of 7-01-3,7-01-4 knife grain fixed bit screw hole, 7-01-5 knife grain fixed bit,
7-01-6 third internal thread hole 7-01-7 bearing surface, 7-01-8 wedge shape space, 7-02 sleeve, the second annular groove of 7-02-1,7-03
First straight line bushing, the 4th snap ring of 7-04, the 5th snap ring of 7-05,8 knife grain fixed screws, 9 knife grains, 10 write off flat chisel, 11 rotations
Turn active drive structure, 12 are driven to rotate structure, 13 cutter assemblies, 14 elastic parts, 15 first spring-fixed structures, and 16
Two spring-fixed structures, 17 location structures, 18 second external screw threads, 201 first positioning surfaces, 202 second positioning surfaces, 203 thirds are fixed
Plane, 204 the 4th positioning surfaces.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment belongs to the scope of protection of the invention more.
Embodiment 1:
As shown in Figure 1-3, a kind of increasing material manufacturing inner hole of workpiece goes support device, including one end to be equipped with rotation active drive knot
Structure, the other end are equipped with mandrel in the movement of elastic parts, and one end, which is equipped with, cooperates being revolved by driving for the rotation active drive structure
Rotation structure and cutter assembly turn outer shaft, further include location structure, can turn outer shaft described in mandrel insertion in the movement
It is interior, by the location structure by the elastic parts, it is mobile in mandrel and outer shaft can be turned be combined into coaxial one, it is described
Elastic parts can be compressed axially and stretch reset, drive mandrel axial reciprocating in the movement to be displaced, so that the mobile core
Can turn outer shaft described in the rotation active drive structure driving of axis is driven to rotate structure movement, and the outer shaft that turns is completed
It circumferentially rotates once, and then the drive cutter assembly is completed circumferential cutting and supported once, after the elastic parts Shen exhibition resets
It can be compressed axially next time, complete circumferential cutting support next time.
The rotation active drive structure be mandrel in moving the uniformly distributed wedge block in one end (wedge block on one side with axis
In parallel, another side is at an acute angle with axis), wedge block is axisymmetric two pieces in the present embodiment, and the structure that is driven to rotate is
It can turn the wedge shape space with wedge block cooperation of outer shaft inner cavity setting, the wedge block and the wedge shape space form angle
Degree coupling, the elastic parts when being compressed axially the wedge block be axially moved and be inserted into the wedge shape space to drive and can turn outer
The angled rotation of axle sleeve, angle rotation is similar to published shock driver rotary principle, is similar to two triangle
Sliding block is placed vertically, and two inclined-planes are bonded to form cuboid each other, when a triangular ramp moves down, can squeeze another three
Angular inclined-plane is mobile to side, and such as the two fitting is arranged in circumference and will circumferentially rotate, and angle rotates in the present embodiment
1/6th in -90 ° of a quarter angle of circumference i.e. 60 °, according to the respective inclined-plane fit angle of wedge block and wedge shape space
It is determined with fit clearance；The cutter assembly that can turn on outer shaft is driven when outer shaft rotation can be turned, is rotated together, is completed circumferential
Cutting support, principle is cut holes similar to milling cutter, so as to clean up remaining supporting base end portion on hole or tubing channel wall.
The end head that mandrel is equipped with rotation active drive structure one end in the movement is additionally provided with abatement flat chisel, for branch
The impact effect of fractureing is propped up, the punching cuts flat chisel and is installed on mandrel top in mobile by fastener.
The other end for turning outer shaft is additionally provided with sleeve, is equipped with first straight line bushing in the sleeve, and described first
Linear bushings axial restraint is socketed in the other end that can turn outer shaft.
The elastic parts includes being inserted in the spring of the mandrel other end in mobile, spring top cover (being equipped with first through hole) and the
One spring-fixed structure, the first spring-fixed structure in the present embodiment include the first through hole that spring top cover opens up and pass through it
In the first screw, the mandrel other end is equipped with and the first spring-fixed structure (the first screw and the first internal screw thread in the movement
Hole cooperation) the second spring fixed structure (in the present embodiment for the first internal thread hole) that matches, the location structure includes institute
It states and writes off second external screw thread of flat chisel one end, second internal thread hole of mandrel one end in the movement with matching, described
Write off the first positioning surface of flat chisel, second matched with first positioning surface that described one end for turning outer shaft is equipped with is determined
Plane, the location structure further include that the other end inner cavity setting that can turn outer shaft contacts positioning with the spring one end
Third positioning surface, third positioning surface is the anchor ring for protruding from inner wall that can turn the setting of outer shaft inner cavity, institute in the present embodiment
State the 4th positioning surface that another end in contact of spring is positioned at spring top cover；Mandrel insertion in the movement can be turned into outer shaft, then
The spring is inserted in the mandrel other end in mobile, the end thereof contacts of the spring can turn the third positioning surface other end of outer shaft
The 4th positioning surface is contacted, first spring-fixed structure and second spring fixed structure, which cooperate, is limited in third for the spring
It is that the first screw passes through first through hole and is screwed into the first internal thread hole between the 4th positioning surface, in the present embodiment that positioning surface is good；
Second external screw thread for writing off flat chisel one end is screwed into second internal thread hole of mandrel one end in the movement, the abatement flat chisel
The first positioning surface and it is described turn outer shaft second positioning face contact positioning.
Embodiment 2:
As shown in Fig. 4,2a, this embodiment differs from embodiment 1 in that, increasing material manufacturing inner hole of workpiece of the invention is gone
Support device further includes bearing, and the bearing is fixed at one end of the spring and can turn the third positioning surface of outer shaft
Between, one end of the spring is contacted with the fixation of the inner ring of the bearing, can be turned the linear bushings on outer shaft, is to use this hair
Hand grip locations when bright device, it is ensured that can turn outer shaft hand in rotation is that will not follow rotation.
The structure of bearing fixed setting has specifically included the fixed end cap of a bearing, and bearing fixing end is covered with the outer spiral shell of third
Line, the third internal thread hole for turning the outer shaft other end and being equipped with, third external screw thread and the cooperation of third internal thread hole, by axis
It holds on the third positioning surface for being fixed on and can turning the setting of outer shaft inner cavity.
It further includes second straight line bushing that the increasing material manufacturing inner hole of workpiece of the present embodiment, which goes support device, the second straight line lining
Set is fixedly attached to one end of mandrel in the movement.The second straight line bushing is two, and interval is fixedly attached to the shifting
One end of mandrel in dynamic.Two linear bushings be it is used to slide up and down,
Remaining content is the same as embodiment 1.
Embodiment 3:
As shown in Fig. 3,6,7,7a, the present embodiment difference from Example 2 is, in increasing material manufacturing workpiece of the invention
Hole go cutter assembly described in support device include be set to it is described can turn outer shaft one end be equipped with knife grain fixed bit screw hole
Knife grain fixed bit further includes the knife grain for being installed on the knife grain fixed bit, and the cutter assembly further includes knife grain fixed screw, tool
Body fixing means: knife grain fixed screw is screwed into respectively in the knife grain fixed bit screw hole that can turn on outer shaft fixed.The knife
There are four grain fixed bit and the knife grain for being installed on the knife grain fixed bit are equal.
Remaining content is the same as embodiment 2.
Embodiment 4:
Such as Fig. 1-7,2a, 2b, 5a, 5b, 5c, 5d, 5e, shown in 7a, the increasing material manufacturing inner hole of workpiece of the present embodiment is gone to prop up
The specific structure of support arrangement and working principle are described in detail as follows again:
Such as Fig. 1, shown in 3, the present invention is by the first screw of spring top cover, the spring equipped with the first through hole across the first screw
The fixed end cap of top cover, spring, bearing, bearing, it is mobile in mandrel, outer shaft can be turned, knife grain fixed screw, knife grain, write off flat chisel
Composition.
As shown in figure 4, by rubber ring install on middle mandrel the first slot position, will installation to the first axial plane on middle mandrel
And be adjacent to first boss, by the first snap ring install to the second slot position on middle mandrel and be adjacent to second straight line bushing, by second card
Ring install on middle mandrel third slot position, second straight line bushing installed to the second axial plane on middle mandrel and be adjacent to the second card
Third snap ring is installed to the 4th slot position on middle mandrel and is adjacent to second straight line bushing by ring, and thus just composition moves as shown in Figure 3
Mandrel in dynamic.It is the rotation active drive of mandrel one end in the movement of apparatus of the present invention shown in 5e such as Fig. 5,5a, 5b, 5c, 5d
Construction profile schematic diagram, it is mobile in mandrel one end symmetrically uniformly distributed two pieces of wedge blocks (wedge block it is parallel with axis on one side, separately
It is at an acute angle with axis on one side), the structure that is driven to rotate is that can turn cooperating with the wedge block for outer shaft inner cavity setting
Wedge shape space, the wedge block and the wedge shape space form angle coupling (shown in Fig. 2 b), after wedge block is inserted into wedge shape space,
When wedge block is moved down with axis another side at an acute angle, can squeeze can turn the bevel edge that outer shaft inner cavity forms wedge shape space
(face) is mobile to side, and such as the two (two bevel edges) fitting is arranged in circumference and will circumferentially rotate, and the two (two bevel edges) is closed
Hold together is in cylindrical body；After the axially extending reset of elastic parts, wedge block is repeated the above process again insertable into wedge shape space.It is last
The terminal of rotation is the starting point rotated next time.
The elastic parts when being compressed axially the wedge block be axially moved and be inserted into the wedge shape space and can turn to drive
The angled rotation (its angle rotation similar to published shock driver rotary principle) of outer shaft, when outer shaft can be turned
The cutter assembly on outer shaft can be turned (fixed multiple knife grains have in the present embodiment uniformly distributed within the scope of 360 ° by driving when rotation
Four) it rotates together, circumferential cutting support is completed, principle is cut holes similar to milling cutter, so as to clean up hole or tubing conduit wall
Remaining supporting base end portion on face.
As shown in fig. 6, first straight line bushing is packed into sleeve, is packed into the 4th snap ring in the second annular groove of sleeve simultaneously
It is adjacent to first straight line bushing, the sleeve for having been charged into linear bushings is packed at the second axial plane of outer shaft and is leaned on second boss
Tightly, the 5th snap ring is packed into the first annular groove of outer sleeve and is adjacent to first straight line bushing in sleeve, thus just constituted
It can turn outer shaft as shown in Figure 3.
Such as Fig. 2,2a, shown in 2b, will assemble complete mobile mandrel insertion and assembled can completely turn outer shaft, will rush
The flat chisel is equipped with second the second internal thread hole (as shown in Figure 4) for screwing into middle portion, core shaft end is sold, bearing is packed into outer shaft
It covers at axis bearing surface (as shown in Figure 7a), the third external screw thread of the fixed end cap of bearing is screwed at outer shaft third internal thread hole
Compression bearing (as shown in Figure 2 a), is inserted in mobile core axis for spring and covers spring top cover and be screwed into the first screw of spring top cover into
The first internal thread hole of mandrel (as shown in Figure 4), holddown spring.The knife grain that knife grain is installed to outer shaft (as shown in Figure 6) is fixed
Position, and knife grain fixed screw is screwed into outer shaft knife grain fixed bit screw hole fixes respectively.Thus it just constitutes of the invention
A kind of increasing material manufacturing inner hole of workpiece goes support device.Especially to accomplish when structure designs: as shown in Figure 1 being tapped using external force
Before spring top cover, the certain depth of the wedge shape space of outer shaft inner cavity setting can be turned described in the wedge block needs insertion of the middle mandrel
In degree, " certain depth " is 1/4 axial height of wedge shape space in the present embodiment, can guarantee continuously to tap the bullet in this way
The contraposition coupling of the wedge block and wedge shape space when spring top cover.
Apparatus of the present invention working principle mode are as follows: apparatus of the present invention are put into the hole or tubing channel for generating and having support, branch
The material of support is that 3D printing material is the same, there is the thick structures such as cylindrical structure or cross between upper and lower detail, plays support product pendency
Position will not collapse or warp in print procedure.Hand or hands, which are held, can turn outer shaft upper bush, be struck using external force
When hitting the spring top cover as shown in Fig. 1, external force can be such that mobile core axis moves downward, and moment will connect on mandrel in movement
It writes off flat chisel to go out, fracture to play the role of impact to support.While mandrel on the move moves downward, on middle mandrel
Wedge block (as depicted in fig. 5e) with the formation angle (as shown in Figure 7) of the wedge shape space in outer shaft can couple (such as B-B of Fig. 2 b
Sectional view), so that the angled rotation (its rotation is similar to published shock driver rotary principle) of outer shaft is driven,
The sleeve is motionless at this time, and mandrel and the outer shaft rotate together in the movement, and the central axis can be together with outer shaft
During rotation, the middle mandrel can also be acted on by spring and return back up to the position before being tapped, when outer shaft rotation
Fixed knife grain can be axially moveable with rotating without together on outer shaft, form the shear action (principle of circumferencial direction
Cut holes similar to milling cutter), so as to clean up remaining supporting base end portion on hole or tubing channel wall.And on the outer sleeve held
Sleeve because of the effect of first straight line bushing in sleeve, will not be with rotating together.As external force disappears after writing off flat chisel and going out
Depletion is weak under the action of reactive spring force, and mandrel can up be drawn high to original position in movement.When external force is applied to bullet again
When spring top cover, mandrel will move downward again again in movement, be made mandrel return in mobile again by spring effect.So work as external force
When uninterrupted percussion, it can make abatement flat chisel that reciprocal punching be presented and cut movement, outer shaft can be turned with moving knife grain presentation rotary cutting.Often strike
A spring top cover is hit, outer shaft can be turned with moving knife grain, the angle of circumference rotation of rotation about 1/6th to a quarter is presented,
Rotate 60 ° -90 °.
Mandrel can turn to move back and forth in outer shaft in movement, it is mobile in mandrel and outer shaft can be turned simultaneously in first straight line
Rotary motion in bushing, described to rush that cut the reverse side head of the first positioning surface of flat chisel be " ﹀ " shape, flat chisel head is cut in punching when use
To have destructiveness, disconnected duct inner support can be filed by impact force punching by writing off flat chisel.
External force used in spring top cover is tapped, is not limited to tap application manually, also includes being driven by electricity application, compression
The forms such as aerodynamic force application.
The application method of the device of the invention is as follows:
Complex component after increasing material manufacturing is finished is fixed using vice clamping, exposes duct opening upward.This is sent out
Bright device protrudes into duct, left hand grip apparatus of the present invention outer sleeve, and the right hand uses hammer, uninterrupted to tap apparatus of the present invention bullet
Spring top cover.While disconnected duct inner support is filed in abatement flat chisel punching, outer shaft upper slitter grain circumferentially direction progress rotary cutting can be rotated
It cuts, the supporting base end portion on hole or pipeline inner peripheral wall is successively removed.In this way, can fast intact removing inner hole support quickly.
Claims (10)
1. a kind of increasing material manufacturing inner hole of workpiece goes support device, it is characterised in that: including one end be equipped with rotation active drive structure,
The other end is equipped with mandrel in the movement of elastic parts, and one end is driven to rotate knot equipped with the cooperation rotation active drive structure
Structure and cutter assembly turn outer shaft, further include location structure, can turn in outer shaft described in mandrel insertion in the movement, lead to
Cross the location structure by the elastic parts, it is mobile in mandrel and outer shaft can be turned be combined into coaxial one, the elasticity
Component can be compressed axially and stretch reset, drive mandrel axial reciprocating in the movement to be displaced, so that mandrel in the movement
Can turn outer shaft described in rotation active drive structure driving is driven to rotate structure movement, and the outer shaft that turns is completed circumferentially
Rotation is primary, and then it is primary to drive the cutter assembly to complete circumferential cutting support, and the elastic parts Shen exhibition can be into after resetting
Row is compressed axially next time, completes circumferential cutting support next time.
2. increasing material manufacturing inner hole of workpiece according to claim 1 goes support device, which is characterized in that the rotation is actively driven
Dynamic structure is the uniformly distributed wedge block in one end of mandrel in mobile, and the structure that is driven to rotate is that can turn what outer shaft inner cavity was arranged
With the wedge shape space of wedge block cooperation, the wedge block and the wedge shape space form angle coupling, the elastic parts
The wedge block, which is axially moved the insertion wedge shape space, when being compressed axially can turn the angled rotation of outer shaft to drive,
The cutter assembly on outer shaft can be turned by driving when that can turn outer shaft rotation rotates together, completes circumferential cutting support.
3. increasing material manufacturing inner hole of workpiece according to claim 2 goes support device, which is characterized in that mandrel in the movement
End head equipped with rotation active drive structure one end is additionally provided with abatement flat chisel.
4. increasing material manufacturing inner hole of workpiece according to claim 3 goes support device, which is characterized in that described to turn outer shaft
The other end be additionally provided with sleeve, first straight line bushing is equipped in the sleeve, the first straight line bushing axial restraint is socketed in
The other end for turning outer shaft.
5. increasing material manufacturing inner hole of workpiece according to claim 4 goes support device, which is characterized in that the elastic parts packet
Include spring, spring top cover and the first spring-fixed structure for being inserted in the mandrel other end in mobile, the mandrel other end in the movement
Equipped with the second spring fixed structure matched with the first spring-fixed structure, the location structure includes the abatement flat chisel one
Second external screw thread at end, described writes off the of flat chisel at second internal thread hole of mandrel one end in the movement with matching
The second positioning surface matched with first positioning surface that one positioning surface, described one end for turning outer shaft are equipped with, it is described fixed
Bit architecture further includes the third positioning that positioning is contacted with the spring one end of the other end inner cavity setting that can turn outer shaft
Face, another end in contact of spring are positioned at the 4th positioning surface of spring top cover；Mandrel insertion in the movement can be turned into outer shaft
Set, then the spring is inserted in the mandrel other end in mobile, the end thereof contacts of the spring can turn the third positioning surface of outer shaft
Another the 4th positioning surface of end in contact, first spring-fixed structure and the cooperation of second spring fixed structure limit the spring
Good between the 4th positioning surface in third positioning surface, second external screw thread for writing off flat chisel one end is screwed into mandrel in the movement
Second internal thread hole of one end, first positioning surface for writing off flat chisel and the second positioning face contact for turning outer shaft are fixed
Position.
6. increasing material manufacturing inner hole of workpiece according to claim 5 goes support device, which is characterized in that it further include bearing, institute
State bearing be fixed at one end of the spring and outer shaft can be turned third positioning surface between, one end of the spring and institute
State the fixed contact of inner ring of bearing.
7. increasing material manufacturing inner hole of workpiece according to claim 6 goes support device, which is characterized in that further include second straight line
Bushing, the second straight line bushing are fixedly attached to one end of mandrel in the movement.
8. increasing material manufacturing inner hole of workpiece according to claim 7 goes support device, which is characterized in that the second straight line lining
Set is two, and interval is fixedly attached to one end of mandrel in the movement.
9. increasing material manufacturing inner hole of workpiece according to claim 1-8 goes support device, which is characterized in that described to cut
Cutting component includes being set to described to turn the knife grain fixed bit of outer shaft one end and be installed on the knife grain of the knife grain fixed bit.
10. increasing material manufacturing inner hole of workpiece according to claim 9 goes support device, which is characterized in that the knife grain is fixed
There are four position and the knife grain for being installed on the knife grain fixed bit are equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910350803.2A CN110524885B (en) | 2019-04-28 | 2019-04-28 | Support device is removed to vibration material disk work piece hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910350803.2A CN110524885B (en) | 2019-04-28 | 2019-04-28 | Support device is removed to vibration material disk work piece hole |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110524885A true CN110524885A (en) | 2019-12-03 |
| CN110524885B CN110524885B (en) | 2021-10-12 |
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ID=68659662
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910350803.2A Active CN110524885B (en) | 2019-04-28 | 2019-04-28 | Support device is removed to vibration material disk work piece hole |
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| Country | Link |
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| CN (1) | CN110524885B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113927375A (en) * | 2021-09-15 | 2022-01-14 | 蓝箭航天空间科技股份有限公司 | Automatic support removing method based on 3D metal printing |
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| EP0791440A1 (en) * | 1996-02-14 | 1997-08-27 | Jürgen Lashöfer | Cutting tool in a protective housing comprising an ejector means |
| JP2001277153A (en) * | 2000-04-03 | 2001-10-09 | Sangoroo:Kk | Hammer device |
| DE202005017305U1 (en) * | 2005-11-05 | 2006-02-16 | TRANMAX MACHINERY Co., Ltd., Taiping | Fall preventing device for guide bearings used in electric power tool with impact unit, has stopper portions arranged at surface of seat section to block and prevent guide bearings from jumping out from open end of spherical recesses |
| CN2866045Y (en) * | 2006-01-25 | 2007-02-07 | 庄添财 | Rotary punching mechanism |
| CN202926204U (en) * | 2012-11-29 | 2013-05-08 | 邵金安 | Rock cracking drilling machine and rotary cutting impact drilling system thereof |
| CN104801728A (en) * | 2015-04-28 | 2015-07-29 | 北京航空航天大学 | Self-guiding floating-type twisting vibration tapping main shaft |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0791440A1 (en) * | 1996-02-14 | 1997-08-27 | Jürgen Lashöfer | Cutting tool in a protective housing comprising an ejector means |
| JP2001277153A (en) * | 2000-04-03 | 2001-10-09 | Sangoroo:Kk | Hammer device |
| DE202005017305U1 (en) * | 2005-11-05 | 2006-02-16 | TRANMAX MACHINERY Co., Ltd., Taiping | Fall preventing device for guide bearings used in electric power tool with impact unit, has stopper portions arranged at surface of seat section to block and prevent guide bearings from jumping out from open end of spherical recesses |
| CN2866045Y (en) * | 2006-01-25 | 2007-02-07 | 庄添财 | Rotary punching mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113927375A (en) * | 2021-09-15 | 2022-01-14 | 蓝箭航天空间科技股份有限公司 | Automatic support removing method based on 3D metal printing |
| CN113927375B (en) * | 2021-09-15 | 2022-07-22 | 蓝箭航天空间科技股份有限公司 | Automatic support removing method based on 3D metal printing |
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| Publication number | Publication date |
|---|---|
| CN110524885B (en) | 2021-10-12 |
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Address after: 410205 East of the first floor, 2nd floor, 7th floor, 8th floor, Building B8, Luguyuyuan, No. 27 Wenxuan Road, Changsha High-tech Development Zone, Changsha, Hunan Province Patentee after: Aerospace Science and Industry (Changsha) New Materials Research Institute Co.,Ltd. Address before: 410205 7th floor, building B8, Lugu Enterprise Square, Yuelu District, Changsha City, Hunan Province Patentee before: CHANGSHA ADVANCED MATERIALS INDUSTRIAL RESEARCH INSTITUTE Co.,Ltd. |