CN106583670B - A kind of the telescopiform sandbox and its working method of sand mold three-dimensional printer - Google Patents
A kind of the telescopiform sandbox and its working method of sand mold three-dimensional printer Download PDFInfo
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- CN106583670B CN106583670B CN201710062505.4A CN201710062505A CN106583670B CN 106583670 B CN106583670 B CN 106583670B CN 201710062505 A CN201710062505 A CN 201710062505A CN 106583670 B CN106583670 B CN 106583670B
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- sand mold
- pedestal
- sandbox
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C21/00—Flasks; Accessories therefor
- B22C21/02—Sectional flasks, i.e. with divided, articulated, or interchangeable side sections
Abstract
The invention belongs to sand mold three-dimensional (3D) printer fields, it discloses a kind of telescopiform sandbox of sand mold three-dimensional printer and its control methods, the telescopiform sandbox of the sand mold three-dimensional printer, including babinet, pedestal, supporting rack, babinet is set on the base, babinet is detachably connected with pedestal, and pedestal is arranged on the bottom of supporting rack；Babinet includes internal box and outer case, and internal box is arranged in the outer case, and internal box includes 1 internal upper part part and n (n is greater than or equal to 1) interior lower components, and interior lower component is nested in the outside of internal upper part part；Outer case includes 1 outer upper-part and n (n is greater than or equal to 1) outer lower components, and outer lower component is nested in the outside of outer upper-part.The structure of telescopiform of the present invention, not only good airproof performance, sandbox sand removal are convenient, while ensure that equipment good running environment, substantially increase the service life of equipment；And restriction of the equipment to factory building height is relieved, it is easy to utilize.
Description
Technical field
The invention belongs to sand mold three-dimensional (3D) printer field, more particularly to a kind of telescopiforms of sand mold three-dimensional printer
Sandbox and its working method.
Background technology
The sandbox of existing sand mold three-dimensional printer is arranged in the inside of printer, generally tambour door structure, is printed in sand mold
When, although the door of sandbox is to close, the sand in sandbox is still easy to come out from the gap leakage of sandbox door, leads to sand in equipment
Dirt gathers, and seriously affects normal operation and the service life of equipment；If using fluid sealant by gap sealing, using close after one or two months
Sealing can be worn, and still cannot effectively solve the problems, such as that sand grains leaks.And existing sandbox is integral structure, the height of babinet
It is changeless, adds the height of corresponding elevating mechanism, keep the whole height of sand mold three-dimensional printer bigger, it is unfavorable
In printing and cost savings.
Invention content
In order to overcome the defect of the above-mentioned prior art, the present invention to propose a kind of telescopiform sand of sand mold three-dimensional printer
Case, not only good airproof performance, and device height can be effectively reduced, be conducive to plant maintenance and production operation, improve production efficiency.
The technical problem to be solved by the present invention is to what is be achieved through the following technical solutions：
A kind of telescopiform sandbox of sand mold three-dimensional printer, including babinet, pedestal, supporting rack, babinet are arranged in pedestal
On, babinet is detachably connected with pedestal, and pedestal is arranged on the bottom of supporting rack；Babinet includes internal box and outer case, interior
Babinet is arranged in the outer case, and internal box includes 1 internal upper part part and n (n is greater than or equal to 1) interior lower components, interior lower component
It is nested in the outside of internal upper part part；Outer case includes 1 outer upper-part and n (n is greater than or equal to 1) outer lower components, outer lower part
Part is nested in the outside of outer upper-part；Internal upper part part is fixedly connected by connecting rod with outer upper-part, and lower component is following in n-th
Along being fixedly connected with the lower edge of n-th of outer lower component by lower fixed block, outer upper-part is erected at by barre on supporting rack；
Upper limit part, interior lower limit in the lower part of interior upper-part, interior lower component, outer upper-part and outer lower component is fixedly installed respectively
Part, outside upper locating part and outer lower limit part；The lower supporting parts in the upper edge of interior lower component and outer lower component is fixedly installed respectively
With outer lower supporting parts.
Further, internal upper part part and interior lower component surround the internal box of rectangle, correspondingly, outer top with metallic plate respectively
Part and outer lower component surround the outer case of rectangle with metallic plate respectively；The distance between internal upper part part and interior lower component, and it is outer
The distance between upper-part and outer lower component are 5mm~9mm；Spacing between the periphery of internal box and the periphery of outer case is
80mm~200mm.
Further, the upper edge of internal upper part part, interior lower component, outer upper-part and outer lower component is respectively provided with horizontally outward
Interior upper nosing, interior lower nosing, outside upper nosing and outer lower nosing；Connecting rod setting is inside below upper nosing, the both ends of connecting rod with
The upper edge of outer upper-part is fixedly connected；Barre is arranged below outside upper nosing, and the external part of barre is erected on supporting rack；
Interior lower supporting parts and outer lower supporting parts are respectively fixedly disposed at the upper surface of interior lower nosing and outer lower nosing.
Specifically, lower fixed block is several metal bar blocks, uniformly connects the lower edge and n-th of lower component in n-th
The lower edge of a outer lower component.Interior upper limit part, interior lower limit part, outside upper locating part and outer lower limit part are that length is 60mm
~80mm, width be 4mm~8mm, be highly several metal derbies of 6mm~10mm, be distributed on internal upper part part, interior lower component,
The lower part surrounding of outer upper-part and outer lower component.Interior lower supporting parts and outer lower supporting parts are that length is 60mm~80mm, width
Several metal derbies for being for 15mm~25mm, highly 6mm~10mm are distributed on the surrounding top of interior lower component and outer lower component
Edge.It is overlapping when overlap distance and outer lower supporting parts when interior lower supporting parts are resisted with interior upper limit part are resisted with outside upper locating part
Distance is 3mm~5mm.The length of the external part of interior lower supporting parts is less than the distance between internal upper part part and interior lower component, outside
The length of the external part of lower supporting parts is less than the distance between outer upper-part and outer lower component.
Specifically, the lower face of interior upper limit part, interior lower limit part, outside upper locating part and outer lower limit part with it is corresponding in
Upper-part, interior lower component, outer upper-part and outer lower component the distance between lower face be 10mm~15mm；Support is descended inside
Nylon or plastic spacer is respectively set in the lower face of part and outer lower supporting parts, and the length of gasket external part is respectively greater than interior lower support
Length 1mm~2mm of part and outer lower supporting parts external part.
Specifically, locating rod is set in the lower face of barre, setting and the matched positioning seat of locating rod on supporting rack；
Locating piece is set below pedestal, setting and the matched locating slot of locating piece on supporting rack；Bolt is set on pedestal,
Setting and the matched socket of bolt in n-th of outer lower component；In supporting rack following settings track；At the edge of pedestal surrounding
Flange is set；Sand mold platform is set on pedestal, and sand mold platform is equipped with and allows the through-hole that the pallet fork of fork truck penetrates.
Particularly, further include the elevating mechanism of sand mold three-dimensional printer, high position sensor, low sensors and automatically control
System, elevating mechanism are arranged in the both sides of pedestal, hook the lower face of pedestal with hook respectively, drive internal box and outer case with
Elevating mechanism makees intussusception and expansion moves；Automatic control system is electric with elevating mechanism and high position sensor, low sensors respectively
Connection.
Based on the above technical solution, invention further provides a kind of telescopiforms of sand mold three-dimensional printer
The working method of sandbox, includes the following steps：
Step 1, sandbox is in place：Pedestal is placed on together with sand mold platform above the bottom of supporting rack, outer upper-part passes through handle
Bridge is located at the top of supporting rack, and the lower face of lower component is placed on bottom in n-th of lower component and outer case in n-th of internal box
On seat, the bolt on pedestal is inserted into the socket of outer lower component, supporting rack is sent along track to sand mold three-dimensional printer；
Step 2, babinet intussusception is carried out：Automatic control system sends a signal to elevating mechanism, and hook is made to hook pedestal level
Rising makes internal box and outer case carry out intussusception, when n-th of outer lower component rises to high-order extreme position, high position sensor hair
The number of delivering letters to automatic control system, automatic control system sends a signal to elevating mechanism, it is made to stop rising；Then printer is opened
Begin to carry out sanding and inkjet printing work；
Step 3, babinet is gradually unfolded：It is automatic to control according to every layer of sanding thickness requirement in sanding and ink jet printing process
System control elevating mechanism processed drives pedestal gradually to decline, to drive the interior lower component of internal box and the outer lower component of outer case
Gradually decline expansion.Every layer printing when internal box house print thickness be 5mm~20mm enclosure wall, enclose face of wall with
The distance between inner surface of internal box is greater than or equal to 5mm.When sand mold, which prints, to be completed, automatic control system is sent a signal to
Elevating mechanism makes it stop declining；
Step 4, sandbox is removed：Supporting rack is moved along track out of sand mold three-dimensional printer together with internal box and outer case
Go out；
Step 5, sandbox is detached from sand mold：Bolt on pedestal is extracted from the groove of outer lower component, it is external to release
The locking of lower component；Then the nosing of outer lower component is held from outer case both sides using the Special fork of fork lift truck, or is utilized
Crane hangs locating rod, so that outer case is raised above to enough height together with internal box and is detached from sand mold, subsequent clear to carry out
Sand works.
The structure of telescopiform of the present invention, not only good airproof performance, sandbox sand removal are convenient, ensure that the good running environment of equipment
Meanwhile substantially increasing the service life of equipment；And the lifting structure of sand mold three-dimensional printer is not high to working space height requirement,
To relieve restriction of the equipment to factory building height, sand mold 3 D-printing function is set to popularize large, medium and small large-scale production, convenient for pushing away
Wide application.
Description of the drawings
Fig. 1 is the vertical view of the embodiment of the present invention one；
Fig. 2 is the faces the A-A internal structure schematic diagram of Fig. 1；
Fig. 3 is the faces the B-B internal structure schematic diagram of Fig. 1；
Fig. 4 is the structural schematic diagram of one internal box of the embodiment of the present invention；
Fig. 5 is the structural schematic diagram of one outer case of the embodiment of the present invention；
Fig. 6 is the portions the G enlarged drawing of Fig. 2；
Fig. 7 is another structural schematic diagram of one internal box of the embodiment of the present invention；
Fig. 8 is structural schematic diagram when two telescopiform sandbox of the embodiment of the present invention is unfolded；
Structural schematic diagram when Fig. 9 is two telescopiform sandbox intussusception of the embodiment of the present invention；
Figure 10 is that two babinet of the embodiment of the present invention detaches schematic diagram with supporting rack.
Specific implementation mode
Embodiment one
The telescopiform sandbox of embodiment one is two layers.
Fig. 1 is the vertical view of the embodiment of the present invention one, and Fig. 2 is the faces the A-A internal structure schematic diagram of Fig. 1, and Fig. 3 is Fig. 1's
The faces B-B internal structure schematic diagram, Fig. 4 are the structural schematic diagram of one internal box of the embodiment of the present invention, and Fig. 5 is the embodiment of the present invention one
The structural schematic diagram of outer case.
In conjunction with shown in Fig. 1 to Fig. 5, a kind of telescopiform sandbox of sand mold three-dimensional printer, including babinet, pedestal 1, support
Frame 2, babinet are arranged on pedestal 1, and babinet is detachably connected with pedestal 1, and pedestal 1 is arranged on the bottom of supporting rack 2；Babinet
Including internal box 3 and outer case 4, internal box 3 is arranged in outer case 4, and internal box 3 includes that (n is equal to by internal upper part part 3a and 1
1) lower component 3b in, interior lower component 3b are nested in the outside of internal upper part part 3a.Outer case 4 includes outer upper-part 4a and 1 (n etc.
In 1) outer lower component 4b, outer lower component 4b is nested in the outside of outer upper-part 4a.
Internal upper part part 3a and interior lower component 3b surrounds the internal box 3 of rectangle, correspondingly, outer upper-part 4a with metallic plate respectively
Surround the outer case 4 of rectangle with metallic plate respectively with outer lower component 4b；Between the periphery and the periphery of outer case 4 of internal box 3
It is 80mm~200mm that space D 2 is (shown in Figure 3), the numerical value of D2 be determined according to the lower sand amount of one layer of sand of paving, if under
Sand mechanism is accurate, and the flow model of sand is good, and lower sand measurement is paved with 1.03 times of one layer of sand amount, conversely, the measurement of lower sand is paved with one layer of sand
1.12 times of amount；According to the difference of current specification of equipment, when lower sand measures 1.03 times, the numerical value of D2 is 80mm, and lower sand measures
At 1.12 times, the numerical value of D2 is 200mm.Lower sand amount when smaller the relatively few then D2 of possible excessive sand amount take smaller value, lower sand amount larger
When possible excessive sand amount more at most D2 take higher value.
Internal upper part part 3a, interior lower component 3b, outer upper-part 4a and outer lower component 4b upper edge be respectively provided with horizontally outward
Interior upper nosing 3.1, interior lower nosing 3.2, outside upper nosing 4.1 and outer lower nosing 4.2.Internal upper part part 3a by connecting rod 5 with it is outside upper
Component 4a is fixedly connected, and the connecting rod 5 of embodiment one is two parallel connecting rods, is separately positioned under the interior upper nosing 3.1
The both ends in face, connecting rod 5 are fixedly connected with the upper edge of outer upper-part 4a respectively.Under the lower edge of 1st interior lower component 3b passes through
Fixed block 6 is fixedly connected with the lower edge of the 1st outer lower component 4b, the lower fixed block 6 of embodiment one be 12 pieces be distributed in
Metal bar blocks between lower component 3b and the lower edges outer lower component 4b.Thus by connecting rod 5 and lower fixed block 6 internal box 3
It links together with outer case 4.
Outer upper-part 4a is erected at by barre 7 on supporting rack 2, and the barre 7 of embodiment one is arranged in outside upper nosing 4.1
In the following, barre 7 is two parallel barres, the external part of two barres 7 is respectively erected on supporting rack 2.In the lower end of barre 7
Locating rod 7.1 is arranged in face, and setting and 7.1 matched positioning seat 2.2 of locating rod, branch is erected at convenient for babinet on supporting rack 2
Positioning when support 2.
As shown in Figure 4 and Figure 5, in the lower part of interior upper-part 3a, interior lower component 3b, outer upper-part 4a and outer lower component 4b
It Gu Dingshezhi not interior upper limit part 9, interior lower limit part 10, outside upper locating part 11 and outer lower limit part 12.Embodiment one it is interior on
Locating part 9, interior lower limit part 10, outside upper locating part 11 and outer lower limit part 12 length L1 be 60mm~80mm, width E1
It is the metal derby that 4mm~8mm, height H1 are 6mm~10mm, is distributed on internal upper part part 3a, interior lower component 3b, outer upper-part
The quantity of 4a and the lower parts outer lower component 4b surrounding, the locating part on each face is three pieces.
Lower supporting parts 13 and outer lower supporting parts in the upper edge of interior lower component 3b and outer lower component 4b are fixedly installed respectively
14, the interior lower supporting parts 13 and outer lower supporting parts 14 of embodiment 1 are respectively fixedly disposed at interior lower nosing 3.2 and outer lower nosing 4.2
The upper surface of.They are the metal derby that length L is 60mm~80mm, width E is 15mm~25mm, height H is 6mm~10mm,
It is distributed on the upper edge surrounding of interior lower component 3b and outer lower component 4b, the quantity of the supporting parts per side is three pieces.
As shown in Figures 2 and 3, bolt 1.1 is set on the flange 1.3 of pedestal 1, socket 8 is set on outer lower component 4b,
Setting and 1.1 matched groove 8.1 of bolt on socket 8, realization babinet and pedestal being fixed and being detachably connected.Embodiment
One socket 8 is four, is distributed on four angles of babinet, and the quantity of corresponding bolt 1.1 is also four.Under pedestal 1
Locating piece 1.2 is arranged in end face, setting and 1.2 matched locating slot 2.1 of locating piece on supporting rack 2, convenient for determining for pedestal 1
Position.At the edge of 1 surrounding of pedestal, flange 1.3, to prevent the sand on pedestal from leaking, the height H2 of one flange 1.3 of embodiment are set
For 15mm.In 2 following settings track 70 of supporting rack, frame 2 easy to support is movable into and out printer.
Sand mold platform 20 is set on pedestal 1, and height is slightly below the height of internal upper part part so that start not excessive when sanding
Waste sand.Sand mold platform 20 is equipped with and allows the through-hole 21 that the pallet fork of fork truck penetrates, when sand mold 30 prints completion on sand mold platform 20,
After inside and outside babinet is removed, the through-hole 21 that the pallet fork of fork truck can be utilized to penetrate sand mold platform 20 takes sand mold 30 away.
The lower face of internal box 3 and outer case 4 and the upper surface of pedestal 1 are in close contact, and can prevent sand from letting out well
Dew.The effect of outer case 4, which is arranged, is, when sanding prints, when sanding surface is excessively high, sand can be let out from the upper surface of internal box 3
Expose and fall between internal box 3 and outer case 4, outer case 4 can prevent these sands from further leaking out, double to rise
The effect ensured again.
Fig. 6 is the portions the G enlarged drawing of Fig. 2.As shown in fig. 6, the distance between internal upper part part 3a and interior lower component 3b and outer
The distance between upper-part 4a and outer lower component 4b are D.Instantly layer box body (lower component or outer lower component in i.e.) and upper layer case
It is covered with molding sand in body (i.e. internal upper part part or outer upper-part), (i.e. internal upper part at the gap between lower layer's chest and upper layer chest
Between part and interior lower component and at the distance between outer upper-part and outer lower component D) it has sand and squeezes into, to prevent sand from seam
At gap it is counter emit it is excessive go out babinet, pass through and the experiment of the sand of various different mobility determined：Between internal upper part part and interior lower component
Distance and the distance between outer upper-part and outer lower component D be 5mm~9mm.Interior upper limit part 9, interior lower limit part 10,
The lower face of outside upper locating part 11 and outer lower limit part 12 and corresponding internal upper part part 3a, interior lower component 3b, outer upper-part 4a and
The distance between the lower face of outer lower component 4b D1 is 10mm~15mm.(shown in Fig. 4, Fig. 5).
As shown in fig. 6, the length S1 of interior 13 external part of lower supporting parts is less than between internal upper part part 3a and interior lower component 3b
Distance D, to ensure the relative motion up and down of internal upper part part 3a and interior lower component 3b.When interior lower component 3b drops to extreme position
When, interior lower supporting parts 13 resist interior upper limit part 9, the number of the overlap distance S2 between interior lower limit part 9 and interior lower supporting parts 13
Value is 3mm~5mm, to ensure that interior lower component 3b is resisted to deviate from by interior lower limit part 9, when interior lower component 3b rises to limit position
When setting, interior lower supporting parts 13 resist interior upper nosing 3.1 (referring to Fig. 4).Similarly, the length S1 of outer 14 external part of lower supporting parts is less than
The distance between outer upper-part 4a and outer lower component 4b D, when outer lower component 4b drops to extreme position, outer lower supporting parts 14 support
Firmly outside upper locating part 11, when outer lower component 4b rises to extreme position, outer lower supporting parts 14 resist outside upper nosing 4.1 (referring to
Fig. 5).
As shown in fig. 6, descending inside, nylon is arranged in the lower face of supporting parts 13 or plastic spacer 15, gasket 15 are for length
62mm~82mm, width are 15mm~25mm, are highly the unit of plastic of 3mm~6mm.The length of 15 external part of gasket be more than it is interior under
Length 1mm~2mm of 13 external part of supporting parts, can withstand the outer surface of internal upper part part 3a, to ensure in metal material
Lower supporting parts 13 are not contacted with the outer surface of internal upper part part 3a and inner surface of the interior lower limit part 9 not with interior lower component 3b connects
It touches, in order to avoid internally the relative motion of upper-part and interior lower component causes certain resistance, influences smooth intussusception or the expansion of babinet.Together
Reason, descends 14 lower face of supporting parts to be also provided with nylon or plastic spacer 15 outside.
Fig. 7 is another structural schematic diagram of one internal box of the embodiment of the present invention.As shown in fig. 7, the locating part of embodiment one
Can also be strip, such as interior lower limit part 10, length is consistent with the length of side of lower component 3b, is distributed on the four of lower component 3b
Week.Similarly, interior upper limit part 9, outside upper locating part 11 and outer lower limit part 12 can also be respectively and internal upper part part 3a, outside upper
The strip consistent in length of component 4a and outer lower component 4b are distributed on internal upper part part 3a, outer upper-part 4a and outer lower part respectively
The surrounding of part 4b.
Embodiment two
Fig. 8 is structural schematic diagram when two telescopiform sandbox of embodiment is unfolded, and Fig. 9 is two telescopiform sandbox intussusception of embodiment
When structural schematic diagram.
As shown in Figure 8 (Fig. 8 be equivalent to the A-A of embodiment one to), embodiment two is the most preferred embodiment of the present invention,
The internal box 3 of embodiment two and the quantity n of the lower component of outer case 4 are respectively 3, respectively lower component in the 1st of internal box 3
3b1, lower component 3b in the 2nd2, lower component 3b in the 3rd3, the 1st outer lower component 4b of outer case 41, the 2nd outer lower component 4b2, outside the 3rd
Lower component 4b3.Lower component 3b in 1st1It is nested in the outside of internal upper part part 3a, lower component 3b in the 2nd2It is nested in lower component in the 1st
3b1Outside, lower component 3b in the 3rd3It is nested in lower component 3b in the 2nd2Outside.
Similarly, the 1st outer lower component 4b1It is nested in the outside of outer upper-part 4a, the 2nd outer lower component 4b2It is nested in outside the 1st
Lower component 4b1Outside, the 3rd outer lower component 4b3It is nested in the described 2nd outer lower component 4b2Outside.Multilayer intussusception sandbox can be with
Fully meet the requirement for making different height sand mold.
The internal box 3 of embodiment two and the plate thickness of outer case 4 are 2mm~3.5mm, so that it is guaranteed that integral rigidity, internal box 3
It is arranged in outer case 4, the space D 2 between outer upper-part 4a and internal upper part part 3a is 200mm.The internal upper part part of internal box 3
3a, lower component 3b in the 1st1, lower component 3b in the 2nd2With the 3rd in lower component 3b3The distance between D be 6mm, can effectively prevent
Molding sand only in internal box 3 is counter to be spilt over outside internal box.Similarly, the outer upper-part 4a, the 1st outer lower component 4b of outer case 41, the 2nd
Outer lower component 4b2, the 3rd outer lower component 463The distance between D be 6mm, the molding sand that can be effectively prevent in outer case 4 is counter to be overflowed
Outside babinet, to realize the good sealing property of sandbox.
(Fig. 9 is equivalent to the B-B direction of embodiment one) as shown in Figure 9, further include sand mold three-dimensional printer elevating mechanism 40,
High position sensor 50, low sensors 51 and automatic control system, elevating mechanism 40 are arranged in the both sides of pedestal 1, respectively with support
Hook 41 hooks the lower face of pedestal 1, and internal box 3 and outer case 4 is driven to make intussusception and expansion movement with elevating mechanism.It automatically controls
System is electrically connected with elevating mechanism 40, high position sensor 50 and low sensors 51 respectively.Since elevating mechanism is arranged in sandbox
Babinet both sides, lifting spatial altitude is overlapped with the lifting spatial altitude of intussusception sandbox, therefore makes sand mold printer apparatus
Whole height be less than the existing sand mold printer using integral type sandbox height, be not only advantageous to printing, and
Applicability of the sand mold printer to different height workshop can be improved.
Other settings of embodiment two are identical as embodiment one, and details are not described herein.
Below (referring to Fig. 8, Fig. 9) by taking embodiment two as an example, illustrate the telescopiform sand of sand mold three-dimensional printer of the present invention
The working method of case, includes the following steps：
Step 1, sandbox is in place：Pedestal 1 is placed on together with sand mold platform 20 above the bottom of supporting rack 2, outer upper-part 4a
The top of supporting rack 2 is erected at by barre 7, locating rod 7.1 is inserted into positioning seat 2.2；Lower component 3b in internal box the 3rd3With
Lower component 4b in outer case the 3rd3Lower face be placed on pedestal 1, by pedestal 1 bolt 1.1 be inserted into socket 8 groove
In 8.1, supporting rack 2 is sent along track 70 to sand mold three-dimensional printer.
Step 2, babinet intussusception is carried out：Automatic control system sends a signal to elevating mechanism 40 so that hook 41 hooks bottom
Seat 1 is horizontal to be risen, to drive the 3rd outer lower component 4b3With lower component 3b in third3Rise, in uphill process, it is each it is outer under
Component and the supporting parts of interior lower component resist the nosing of an outer lower component and interior lower component successively, to complete intussusception, such as
Shown in Fig. 9.
As lower component 4b outside third3When rising to high-order extreme position, high position sensor 50 detects the outer lower component of third
4b3, high position sensor 50 sends a signal to automatic control system, and automatic control system sends a signal to elevating mechanism 40, makes liter
Descending mechanism 40 stops rising.Then printer proceeds by sanding and inkjet printing work.
Step 3, babinet is gradually unfolded：It is automatic to control according to every layer of sanding thickness requirement in sanding and ink jet printing process
System control elevating mechanism 40 processed drives pedestal 1 successively to decline, to drive under the interior lower component of internal box and the outer of outer case
Component gradually declines expansion.During decline, the supporting parts of each outer lower component and interior lower component are limited accordingly successively
Part resists, and automatic control system, which sends a signal to elevating mechanism, when printing is finished with sanding makes its stop declining.Or set
When the babinet to gather into folds is fully deployed to low level extreme position, low sensors 51, which send a signal to automatic control system, makes lifting
Mechanism stops declining.
According to needs of production, the enclosure wall for being 5mm~20mm in the house print thickness of internal box 3 when every layer of printing
60, the distance between the outer surface of enclosure wall 60 and the inner surface of internal box 3 are more than or equal to 5mm.Due to intussusception sandbox present it is small under
Big tower structure, during successively sanding declines, sandbox lower part is gradually spread out, and lower layer space is gradually increased, molding sand by
It gradually spreads out outward, thus the stabilization sanding of top layer can be influenced, or even so that whole sand mold is generated and collapse, therefore in print routine
The enclosure wall 60 that thickness is 5mm~20mm need to be set, molding sand in enclosure wall 60 is made to keep stablizing, to make sanding and printing stablize into
Row ensures product quality.Step 4, sandbox is removed：Supporting rack 2 is three-dimensional from sand mold along track together with internal box 3 and outer case 4
It is removed in printer.
Step 5, sandbox is detached from sand mold：By the bolt 1.1 on pedestal from the 3rd outer lower component 4b3Socket 8 in extract,
To release external lower component 4b3Fixation, then hold outer lower component 4b from outer case both sides using the Special fork of fork lift truck3
Nosing make outer case 4 together with internal box 3 be raised above to enough height be detached from sand mold, to carry out subsequent sand removal work.
Figure 10 is that two babinet of embodiment detaches schematic diagram with supporting rack.As shown in Figure 10, when printed sand mold 30 is excessively high, internal box 3
With 4 intussusception of outer case rise after can not all take out when, since babinet is erected on supporting rack 2 by barre 7, not with support
Frame 2 is fixed together, it is possible to hang barre 7 using the large-scale suspender of portal frame etc, keep internal box 3 and outer case 4 same
When sling upwards to enough height be detached from sand mold.
And the sand mold on the sand mold platform 20 of pedestal 1 is stayed in, the pallet fork of fork truck can be utilized to be formed directly into the logical of sand mold platform 20
Hole 21 is removed together with sand mold 30 and sand mold platform 20.
Step 6, sand removal：It is directly that all directions of remaining sand from pedestal 1 are same after internal box 3 and outer case 4 are detached from sand mold
When root out, compared with the chamber door that existing equipment can only open one side single direction carry out sand removal saving of time 20%~50%.
It, can be with return to step 1 after pedestal is cleaned out.
In short, the structure of telescopiform of the present invention, not only good airproof performance, sandbox sand removal are convenient, ensure that equipment is well run
While environment, the service life of equipment is substantially increased；And the lifting structure of sand mold three-dimensional printer needs working space height
It asks not high, to relieve restriction of the equipment to factory building height, sand mold 3 D-printing function is made to popularize large, medium and small large-scale production,
It is easy to utilize.
Claims (10)
1. a kind of telescopiform sandbox of sand mold three-dimensional printer, characterized in that including babinet, pedestal (1), supporting rack (2), institute
It states babinet to be arranged on the pedestal (1), the babinet is detachably connected with the pedestal (1), and the pedestal (1) is arranged in institute
Above the bottom for stating supporting rack (2)；The babinet includes internal box (3) and outer case (4), and the internal box (3) is arranged in institute
It states in outer case (4), the internal box (3) includes lower component (3b) in 1 internal upper part part (3a) and n, and n is greater than or equal to 1,
The interior lower component (3b) is nested in the outside of the internal upper part part (3a)；The outer case (4) includes 1 outer upper-part (4a)
With n outer lower components (4b), n is greater than or equal to 1, and the outer lower component (4b) is nested in the outside of the outer upper-part (4a)；
The internal upper part part (3a) is fixedly connected by connecting rod (5) with the outer upper-part (4a), and lower component (3b) is following in n-th
Along being fixedly connected with the lower edge of n-th of outer lower component (4b) by lower fixed block (6), the outer upper-part (4a) passes through barre
(7) it is erected on support frame as described above (2)；In the internal upper part part (3a), interior lower component (3b), outer upper-part (4a) and outer lower part
Interior upper limit part (9), interior lower limit part (10), outside upper locating part (11) and outer lower limit is fixedly installed in the lower part of part (4b) respectively
Part (12)；The lower supporting parts (13) and outside in the upper edge of the interior lower component (3b) and outer lower component (4b) is fixedly installed respectively
Lower supporting parts (14).
2. the telescopiform sandbox of sand mold three-dimensional printer according to claim 1, characterized in that the internal upper part part
(3a) and interior lower component (3b) surround the internal box (3) of rectangle with metallic plate respectively, correspondingly, the outer upper-part (4a) and outer
Lower component (4b) surrounds the outer case (4) of rectangle with metallic plate respectively；The internal upper part part (3a) and the interior lower component (3b)
The distance between and the distance between the outer upper-part (4a) and the outer lower component (4b) be 5mm~9mm；It is described
Spacing between the periphery and the periphery of outer case (4) of internal box (3) is 80mm~200mm.
3. the telescopiform sandbox of sand mold three-dimensional printer according to claim 1, characterized in that the internal upper part part
The upper edge of (3a), interior lower component (3b), outer upper-part (4a) and outer lower component (4b) is respectively provided with horizontally outward interior prominent
Along (3.1), interior lower nosing (3.2), outside upper nosing (4.1) and outer lower nosing (4.2)；The connecting rod (5) is arranged described interior
Below upper nosing (3.1), the both ends of the connecting rod (5) are fixedly connected with the upper edge of the outer upper-part (4a)；Described
Barre (7) is arranged below outside upper nosing (4.1), and the external part of the barre (7) is erected on supporting rack (2)；Described
Interior lower supporting parts (13) and outer lower supporting parts (14) are respectively fixedly disposed at the interior lower nosing (3.2) and outer lower nosing (4.2)
The upper surface of.
4. the telescopiform sandbox of sand mold three-dimensional printer according to claim 1, characterized in that the lower fixed block
(6) it is several metal bar blocks, uniformly connects the lower edge of lower component (3b) and n-th outer lower component (4b) in n-th
Lower edge；The interior upper limit part (9), interior lower limit part (10), outside upper locating part (11) and outer lower limit part (12) are length
Degree is 60mm~80mm, width is 4mm~8mm, is highly several metal derbies of 6mm~10mm, is distributed on the internal upper part
The lower part surrounding of part (3a), interior lower component (3b), outer upper-part (4a) and outer lower component (4b)；The interior lower supporting parts (13) and
Outer lower supporting parts (14) be length be 60mm~80mm, width is 15mm~25mm, is highly several gold of 6mm~10mm
Belong to block, is distributed on the surrounding upper edge of the interior lower component (3b) and outer lower component (4b).
5. the telescopiform sandbox of sand mold three-dimensional printer according to claim 1, characterized in that the interior lower supporting parts
(13) overlap distance and the outer lower supporting parts (14) when being resisted with the interior upper limit part (9) and the outside upper locating part
(11) overlap distance when resisting is 3mm~5mm；The length of the external part of the interior lower supporting parts (13) be less than it is described it is interior on
The distance between component (3a) and the interior lower component (3b), the length of the external part of the outer lower supporting parts (14) is less than described
The distance between outer upper-part (4a) and the outer lower component (4b).
6. the telescopiform sandbox of sand mold three-dimensional printer according to claim 1, characterized in that the interior upper limit part
(9), the lower face of interior lower limit part (10), outside upper locating part (11) and outer lower limit part (12) and the corresponding internal upper part part
The distance between the lower face of (3a), interior lower component (3b), outer upper-part (4a) and outer lower component (4b) is 10mm~15mm.
7. the telescopiform sandbox of sand mold three-dimensional printer according to claim 1, characterized in that in the interior lower support
Nylon or plastic spacer (15) is respectively set in the lower face of part (13) and outer lower supporting parts (14), gasket (15) external part
Length is respectively greater than length 1mm~2mm of the interior lower supporting parts (13) and outer lower supporting parts (14) external part.
8. the telescopiform sandbox of sand mold three-dimensional printer according to claim 1, characterized in that in the barre (7)
Lower face setting locating rod (7.1), on support frame as described above (2) setting with the locating rod (7.1) matched positioning seat
(2.2)；Locating piece (1.2) is set below the pedestal (1), setting and the locating piece on support frame as described above (2)
(1.2) matched locating slot (2.1)；Bolt (1.1) is set on the pedestal (1), in n-th of outer lower component
Setting and the bolt (1.1) matched socket (8) on (4b)；In support frame as described above (2) following settings track (70)；Institute
State the edge setting flange (1.3) of pedestal (1) surrounding；Sand mold platform (20), the sand mold platform (20) are set on the pedestal (1)
Equipped with the through-hole (21) for allowing the pallet fork of fork truck to penetrate.
9. the telescopiform sandbox of sand mold three-dimensional printer according to claim 1, characterized in that further include sand mold three-dimensional
Elevating mechanism (40), high position sensor (50), low sensors (51) and the automatic control system of printer, the elevating mechanism
(40) it is arranged in the both sides of pedestal (1), hooks the lower face of the pedestal (1) with hook (41) respectively, drive the interior case
Body (3) and outer case (4) make intussusception and expansion movement with elevating mechanism；The automatic control system respectively with the elevating mechanism
(40) it is electrically connected with high position sensor (50), low sensors (51).
10. a kind of working method of the telescopiform sandbox of sand mold three-dimensional printer as described in any one of claim 1 to 9,
It is characterized in that including the following steps：
Step 1, sandbox is in place：The pedestal (1) is placed on together with sand mold platform (20) above the bottom of supporting rack (2), it is described
Outer upper-part (4a) is erected at the top of supporting rack (2) by barre (7), lower component (3b) in n-th of the internal box (3)
It is placed on pedestal (1) with the lower face of n-th of outer lower component (4b) of outer case (4), by the bolt on the pedestal (1)
(1.1) it is inserted into the socket (8) of outer lower component (4b), support frame as described above (2) is sent along track (70) to sand mold three-dimensional printer
It is interior；
Step 2, babinet intussusception is carried out：Automatic control system sends a signal to elevating mechanism (40), and hook (41) is made to hook pedestal
(1) horizontal rise makes internal box and outer case carry out intussusception, when n-th of outer lower component (4b) rises to high-order extreme position,
High position sensor (50) sends a signal to automatic control system, and automatic control system sends a signal to elevating mechanism (40), makes it
Stop rising；Then printer proceeds by sanding and inkjet printing work；
Step 3, babinet is gradually unfolded：In sanding and ink jet printing process, according to every layer of sanding thickness requirement, automatically controls and be
System control elevating mechanism (40) drive pedestal (1) to drive internal box interior lower component and outer case outer lower component gradually under
Drop expansion；In the enclosure wall (60) that the house print thickness of internal box (3) is 5mm~20mm, the enclosure wall (60) when every layer of printing
The distance between the inner surface of outer surface and internal box (3) be greater than or equal to 5mm；When sand mold, which prints, to be completed, automatically control
System, which sends a signal to elevating mechanism (40), makes it stop declining；
Step 4, sandbox is removed：Supporting rack (2) is beaten along track (70) from sand mold three-dimensional together with internal box (3) and outer case (4)
It is removed in print machine；
Step 5, sandbox is detached from sand mold：Bolt (1.1) on pedestal is extracted from the socket (8) of outer lower component (4b), with
Release the fixation of external lower component (4b)；Then using the Special fork of fork lift truck outer lower component (4b) is held from outer case both sides
Nosing, or hang locating rod (7) using crane, so that outer case (4) is raised above together with internal box (3) de- to enough height
From sand mold, to carry out subsequent sand removal work.
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| CN108526418B (en) * | 2018-04-28 | 2019-12-20 | 共享装备股份有限公司 | Lapping device and using method thereof |
| CN109277536A (en) * | 2018-11-20 | 2019-01-29 | 肇庆学院 | A kind of lift sandbox suitable for sand mold three-dimensional printer |
| CN110394423B (en) * | 2019-08-27 | 2020-07-24 | 江苏集萃微纳自动化系统与装备技术研究所有限公司 | 3D sand mould printer based on ink-jet printing technology |
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