CN208528014U - Single-direction and dual-direction sanding gear - Google Patents
Single-direction and dual-direction sanding gear Download PDFInfo
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- CN208528014U CN208528014U CN201821164332.3U CN201821164332U CN208528014U CN 208528014 U CN208528014 U CN 208528014U CN 201821164332 U CN201821164332 U CN 201821164332U CN 208528014 U CN208528014 U CN 208528014U
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Abstract
A kind of single-direction and dual-direction sanding gear, including feed opening, feed opening includes lower plate and upper plate, the top of lower plate is arranged in upper plate, angle where the endpoint of upper plate free end and the endpoint of lower plate free end between straight line and horizontal plane is material leakage angle, i.e. granular materials forms an inclined-plane between the upper and lower plates, and the angle between inclined-plane and horizontal plane is material leakage angle, changes the upper plate and the lower plate relative position to adjust material leakage angle size.The direction of motion crossed when sand passage opening direction works with sanding is opposite, that is when sanding work stops, the material leakage angle is less than or equal to the static stocking angle of granular materials, and it is more than or equal to zero, also it ensures that granular materials will not slide, has prevented sand leakage phenomenon, when sanding works progress, material leakage angle is more than or equal to the dynamic stocking angle of granular materials, also ensures that granular materials can be slided along inclined-plane.And more uniformly.
Description
Technical field
The utility model relates to 3D printer field more particularly to a kind of single-direction and dual-direction sanding gears of 3D printing equipment.
Background technique
The feed opening of sanding gear used in the equipment of sand mold 3D printing at present is straight opening mode, although can guarantee lower sand
Cause to print increased costs, also result in and print product but there are serious sand leakage phenomenon in print procedure with sand face consolidation
Have the defects that certain, and be easy to cause mixing device sand supplying insufficient, printed product layering is caused even to be scrapped；Another party
Face, current sanding gear are using sand under vibrating, and this feed opening size of sand amount under moment cannot be guaranteed uniformly, to lead
Cause printed product weight, surface etc. widely different, if can for existing laying device above there are aiming at the problem that optimize with
It improves, then the laying device printed product quality problems in entire 3D printing field will be readily solved.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of single-direction and dual-direction sanding gear, using stocking angle principle, if
The feed opening of an interlaced arrangement is counted, so that granular materials is piled into an inclined-plane in lower husky access, when needed
Grain material slides, and when stopping working, granular materials will not fall, and prevent sand leakage phenomenon, and uniform blanking.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
A kind of single-direction and dual-direction sanding gear, including feed opening, feed opening include lower plate and upper plate, and the upper of lower plate is arranged in upper plate
Side, and punishment in advance access is formed between upper plate and lower plate, granular materials is piled into an inclined-plane between the upper and lower plates, inclined-plane with
Angle between horizontal plane is material leakage angle, changes upper plate and lower plate relative position to adjust material leakage angle size.
Optimal, it further include lower sand launder, the under shed of lower sand launder is arranged in the feed opening, and one end of the lower plate is under
Sand launder is fixedly connected or hinged or be slidably connected, and the other end extend downwardly one section after inner bending, the upper plate is a plate,
And be fixedly connected with lower sand launder or hinged or be slidably connected, the endpoint of the upper plate free end is located above the lower plate.
Optimal, it further include lower sand launder, the under shed of lower sand launder is arranged in the feed opening, and one end of the lower plate is under
Sand launder is fixedly connected or hinged or be slidably connected, and the other end extend downwardly one section after inner bending, the upper plate be one end with
Lower sand launder is fixedly connected, and the other end extend downwardly one section after inner bending, the upper plate be fixedly connected with lower sand launder or it is hinged or
Person is slidably connected, and the endpoint of the upper plate free end is located above the lower plate.
Optimal, when sanding gear is static, the material leakage angle is less than or equal to the static stocking angle of granular materials, and big
In or be equal to zero, in sanding gear mobile working, material leakage angle be more than or equal to granular materials dynamic stocking angle.
It is optimal, the feed opening at least there are two, and two adjacent feed openings are arranged in mirror symmetry.
Optimal, it further include flat-rammer, flat-rammer and feed opening correspond, and flat-rammer is horizontally set on the one of feed opening
Side, and be located at below lower plate, flat-rammer is close to one end fillet design of feed opening, and when sanding work carries out, flat-rammer is in correspondence
Feed opening downstream, i.e., the granular materials of whereabouts is compacted.
Optimal, it further include storage sand device, storage sand device includes storage sand warehouse, sieve, and lower sand launder is arranged in storage sand warehouse lower part,
The upper opening of lower sand launder is provided with sieve.
Optimal, the storage sand device further includes flow distribution plate, spiral pushing device, stores up and is provided with screw propulsion among sand warehouse
Device stores up and is provided with herringbone flow distribution plate along long axis among sand warehouse under shed, and the two sides of flow distribution plate are respectively arranged with pair
The lower sand launder answered, lower sand launder is along sanding gear long axis, and horizontal profile area from top to bottom successively decreases.
Optimal, it further include shaking device, girder, curb girder, flexible sealing strip, storage sand warehouse is arranged on girder, and curb girder is set
It sets in girder lower part, and is provided with shaking device, lower sand launder on curb girder, the upper opening of the lower sand launder is arranged in the storage sand warehouse
Below under shed, the gap between the lower sand launder and the storage sand warehouse is closed by flexible sealing strip, i.e. the one of flexible sealing strip
End is sealedly and fixedly connected with storage sand warehouse under shed, and the other end is sealedly and fixedly connected with lower sand launder upper opening, forms closed mistake
Sand access；Shaking device is mounted on lower sand launder side, and shaking device drives lower sand launder progress up and down and the shake in former and later two directions
It is dynamic.
As shown from the above technical solution, single-direction and dual-direction sanding gear provided by the utility model utilizes stocking angle principle, design
The feed opening of one interlaced arrangement, so that granular materials is piled into an inclined-plane in lower husky access, between inclined-plane and horizontal plane
Angle be material leakage angle, the direction of motion crossed when sand passage opening direction and sanding work is opposite, that is to say, that sanding works
When stopping, the material leakage angle is less than or equal to the static stocking angle of granular materials, and is more than or equal to zero, also ensures that
Granular materials will not slide, and prevent sand leakage phenomenon, and when sanding works progress, material leakage angle is more than or equal to granular materials
Dynamic stocking angle also ensures that granular materials can be slided along inclined-plane.And more uniformly, there is no the feelings of a large amount of blankings suddenly
Condition occurs.
Detailed description of the invention
Attached drawing 1 is the structural schematic diagram of single-direction and dual-direction sanding gear.
Attached drawing 2 is the cross-sectional view of single-direction and dual-direction sanding gear.
Attached drawing 3 is the partial enlarged view of attached drawing 2.
Attached drawing 4 is the partial enlarged view of attached drawing 3.
Attached drawing 5 is a kind of embodiment of single-direction and dual-direction sanding gear feed opening.
Attached drawing 6 is another embodiment of single-direction and dual-direction sanding gear feed opening.
Attached drawing 7 is the third embodiment of single-direction and dual-direction sanding gear feed opening.
In figure: feed opening 10, lower plate 11, upper plate 12, material leakage angle 13, flat-rammer 20, storage sand device 30, storage sand warehouse 31, under
Sand launder 32, sieve 33, flow distribution plate 34, spiral pushing device 35, shaking device 40, girder 50, curb girder 60, flexible sealing strip 70.
Specific embodiment
In conjunction with the attached drawing of the utility model, the technical solution of utility model embodiment is further described in detail.
The gradient of material heap when granular materials natural packing, i.e. material heap angle with horizontal plane, referred to as stocking angle, in static state
Stocking angle is known as static stocking angle, in dynamic, such as when sanding gear setting in motion, the heap of the granular materials on sanding gear
Product angle is known as dynamic stocking angle.Common dynamic stocking angle is the 70% of static stocking angle.
Embodiment 1:
A kind of unidirectional sanding gear, including feed opening 10, feed opening 10 include lower plate 11 and upper plate 12, and the setting of upper plate 12 exists
The top of lower plate 11, the angle where the endpoint of 11 free end of endpoint and lower plate of 12 free end of upper plate between straight line and horizontal plane
For material leakage angle 13, granular materials is accumulated between upper plate 12 and lower plate 11, and forms an inclined-plane, inclined-plane and 12 free end of upper plate
11 free end of endpoint and lower plate endpoint where plane be same plane, i.e. angle between inclined-plane and horizontal plane is material leakage
Angle 13 changes the upper plate 12 and 11 relative position of the lower plate to adjust 13 size of material leakage angle.It is described when sanding work stops
Material leakage angle 13 is less than or equal to the static stocking angle of granular materials, and is more than or equal to zero, when sanding works progress, leakage
Expect that angle 13 is more than or equal to the dynamic stocking angle of granular materials.
Stocking angle is the physical property of granular materials, and variable grain material, stocking angle is naturally different, so material leakage angle 13 is wanted
The size that material leakage angle 13 is adjusted according to variable grain material changes the upper plate 12 and 11 relative position of the lower plate to adjust
There are many mode of 13 size of material leakage angle, can be upper and lower, left and right by carrying out simultaneously or respectively to upper plate 12 or lower plate 11
Adjustment guarantees the needs for meeting variable grain material stacking angle to change the size at material leakage angle 13, specifically upper plate 12 or
The regulative mode of lower plate 11 can be slide up and down, rotary motion, linear drives, the modes such as mechanical position limitation are realized, i.e., in a program
The modes such as setting driving limit, stroke, the mechanical hard limit of addition, are mechanical hard by installation driving device, rotating mechanism, installation
The structure of limit, the folder where realizing the endpoint of 11 free end of endpoint and lower plate of 12 free end of upper plate between straight line and horizontal plane
Angle is the adjusting at material leakage angle 13, achievees the purpose that sanding gear not sand leakage.
The direction of motion crossed when sand passage opening direction works with sanding between upper plate 12 and the lower plate 11 is opposite.Two
A feed opening works alternatively, i.e., when moving toward a direction, only a feed opening carries out lower sand work.This direction is very heavy
Want because this only have it is contrary, when sanding gear could being made to stop, because being transformed to by dynamic stocking angle
Static stocking angle, so granular materials can not leak completely, when can also start because of sanding gear, because being turned by static stocking angle
Become dynamic stocking angle, and start uniform sand leakage rapidly, hysteresis is not present.This mode can just prevent sand leakage, especially
When being the transformation of quiet dynamic state.
Embodiment 2:
A kind of two-way sanding gear is changed to mirror-symmetrical two feed openings 10 on the basis of embodiment 1, thus real
Existing two-way sanding, two feed openings 10 work alternatively, i.e., when moving toward a direction, only a feed opening 10 carries out lower sand work
Make.
Embodiment 3:
Referring to shown in attached drawing 7, a kind of sanding gear further includes lower sand launder on the basis of embodiment 1 or embodiment 2
32, the under shed of corresponding lower sand launder 32, feed opening 10 is arranged in the feed opening 10 specifically: one end of lower plate 11 and lower sand
Slot 32 is fixedly connected or hinged or be slidably connected, and the other end extend downwardly one section after inner bending, optimal lower plate 11 is inwardly
Horizontal buckling；Upper plate 12 is a plate, and is fixedly connected with lower sand launder 32 or hinged or be slidably connected, 12 free end of upper plate
Endpoint is in the top of lower plate 11.
Embodiment 4:
Referring to shown in attached drawing 5, attached drawing 6, a kind of sanding gear further includes on the basis of embodiment 1 or embodiment 2
The under shed of corresponding lower sand launder 32, feed opening 10 is arranged in lower sand launder 32, the feed opening 10 specifically: one end of lower plate 11
Be fixedly connected with lower sand launder 32 or hinged or be slidably connected, and the other end extend downwardly one section after inner bending, upper plate 12 is one
End is fixedly connected with lower sand launder 32, and the other end extend downwardly one section after inner bending, optimal upper plate 12 inwardly level or to
Lower inclination bending, described upper: 12 are fixedly connected with lower sand launder 32 or hingedly or are slidably connected.
Embodiment 5:
A kind of sanding gear increases flat-rammer 20 on the basis of examples 1 to 4, and flat-rammer 20 and feed opening 10 are one by one
Corresponding, flat-rammer 20 is horizontally set on the side of feed opening 10, and is located at 11 lower section of lower plate, and flat-rammer 20 is close to feed opening 10
One end fillet design, when sanding work carries out, flat-rammer 20 is in corresponding 10 downstream of feed opening, i.e., by the granular materials pressure of whereabouts
It is real.Fillet design is critically important, attempts right angle, and it is serious that discovery pushes away sand, influences technique, fillet can be solved perfectly this and ask
Topic, pressure sand effect are fine.
Embodiment 6:
A kind of single-direction and dual-direction sanding gear increases storage sand device 30, shaking device 40, master on the basis of examples 1 to 4
Beam 50, curb girder 60, flexible sealing strip 70, storage sand device 30 include storage sand warehouse 31, lower sand launder 32, sieve 33, flow distribution plate 34, spiral
Propulsion device 35 stores up and is provided with spiral pushing device 35 among sand warehouse 31, stores up and is provided among 31 under shed of sand warehouse along long axis cloth
The herringbone flow distribution plate 34 set, the two sides of flow distribution plate 34 are respectively arranged with corresponding lower sand launder 32, i.e. the setting of storage 31 lower part of sand warehouse
There are two lower sand launder 32, lower 32 lower part of sand launder is provided with feed opening 10, and the upper opening of lower sand launder 32 is provided with sieve 33.Lower sand launder
32 along sanding gear long axis, and horizontal profile area from top to bottom successively decreases, as taper, convenient lower sand.
It stores up sand warehouse 31 to be arranged on girder 50, the setting of curb girder 60 is provided with vibration dress in 50 lower part of girder, and on curb girder 60
40, lower sand launder 32 is set, the upper opening of the lower sand launder 32 is arranged below 31 under shed of storage sand warehouse, lower 32 He of sand launder
Gap between the storage sand warehouse 31 is closed by flexible sealing strip 70, i.e. one end of flexible sealing strip 70 and storage 31 under shed of sand warehouse
It is sealedly and fixedly connected, and the other end is sealedly and fixedly connected with lower 32 upper opening of sand launder, formation is closed to cross sand access；Shaking device
40 are mounted on lower 32 side of sand launder, and shaking device 40 drives lower sand launder 32 to carry out upper and lower and former and later two directions vibrations.
Shaking device 40 makes lower sand speed faster, more evenly, in conjunction with flat-rammer 20, so that 20 effect of flat-rammer is more aobvious
It writes, the vibration above and below front and back, allows 20 packed particles material of flat-rammer, realize the consolidation in sand face, ensure that the matter of printed product
Amount.
It stores up sand warehouse 31 and lower sand launder 32 is separately fixed, shaking device 40 only shakes lower sand launder 32, flexible sealing strip 70 1
Aspect ensure that the sealing of access, on the other hand play buffer function, so that vibration will not pass to storage sand warehouse from lower sand launder 32
In 31, if can make granular materials therein more consolidation because storage sand warehouse 31 often shakes, be not easy to blanking.
It is added to sieve 33, is because the sand in storage sand warehouse 31 sometimes has agglomeration problems, if reaching blanking
Mouthfuls 10 just stop lower sand, form tomography, influence sand core structure, increase 33 one side of sieve and solve the agglomeration of bulk granular materials
The problem of blocking feed opening 10, while also by shaking device 40, fragmenting bulk granular materials agglomerates on sieve 33, another party
Face also acts the purpose that throttling mixes, and after granular materials is fallen from storage sand warehouse 31,33 short time of sieve inner barrier is fallen
Granular materials granular materials is mixed, so that the granular materials in lower sand launder 32 is more evenly by shaking device 40.
Single-direction and dual-direction sanding gear provided by the utility model designs the blanking of an interlaced arrangement using stocking angle principle
Mouth 10, so that granular materials is piled into an inclined-plane in lower husky access, the angle between inclined-plane and horizontal plane is material leakage angle
13, the direction of motion crossed when sand passage opening direction works with sanding is opposite, that is to say, that when sanding work stops, the material leakage
Angle 13 is less than or equal to the static stocking angle of granular materials, and is more than or equal to zero, also ensures that granular materials will not
It slides, has prevented sand leakage phenomenon, when sanding works progress, the dynamic that material leakage angle 13 is more than or equal to granular materials is accumulated
Angle also ensures that granular materials can be slided along inclined-plane.And more uniformly, there is no the case where a large amount of blankings suddenly to occur.
Claims (9)
1. a kind of single-direction and dual-direction sanding gear, it is characterised in that: including feed opening, feed opening includes lower plate and upper plate, upper plate setting
In the top of lower plate, and punishment in advance access is formed between upper plate and lower plate, granular materials is piled into one between the upper and lower plates
Inclined-plane, the angle between inclined-plane and horizontal plane are material leakage angle, change upper plate and lower plate relative position to adjust material leakage angle size.
2. single-direction and dual-direction sanding gear according to claim 1, it is characterised in that: further include lower sand launder, the feed opening is set
Set the under shed in lower sand launder, one end of the lower plate is fixedly connected or hinged or be slidably connected with lower sand launder, and the other end
Inner bending after extending downwardly one section, the upper plate are a plate, and are fixedly connected with lower sand launder or hinged or be slidably connected, institute
The endpoint for stating upper plate free end is located above the lower plate.
3. single-direction and dual-direction sanding gear according to claim 1, it is characterised in that: further include lower sand launder, the feed opening is set
Set the under shed in lower sand launder, one end of the lower plate is fixedly connected or hinged or be slidably connected with lower sand launder, and the other end
Inner bending after extending downwardly one section, the upper plate are that one end is fixedly connected with lower sand launder, and the other end extend downwardly one section after it is interior
Bending, the upper plate are fixedly connected or hinged or be slidably connected with lower sand launder, described in the endpoint of the upper plate free end is located at
Above lower plate.
4. single-direction and dual-direction sanding gear according to any one of claims 1 to 3, it is characterised in that: sanding gear is static
When, the material leakage angle is less than or equal to the static stocking angle of granular materials, and is more than or equal to zero, mobile in sanding gear
When work, material leakage angle is more than or equal to the dynamic stocking angle of granular materials.
5. single-direction and dual-direction sanding gear according to claim 4, it is characterised in that: the feed opening at least there are two, and phase
Two adjacent feed openings are arranged in mirror symmetry.
6. single-direction and dual-direction sanding gear according to claim 5, it is characterised in that: further include flat-rammer, flat-rammer and blanking
Mouth corresponds, and flat-rammer is horizontally set on the side of feed opening, and is located at below lower plate, and flat-rammer is close to one end of feed opening
Fillet design, when sanding work carries out, the granular materials of whereabouts is compacted by flat-rammer in corresponding feed opening downstream.
7. single-direction and dual-direction sanding gear according to claim 6, it is characterised in that: further include storage sand device, store up sand device packet
Storage sand warehouse, sieve are included, in storage sand warehouse lower part, the upper opening of lower sand launder is provided with sieve for lower sand launder setting.
8. single-direction and dual-direction sanding gear according to claim 7, it is characterised in that: the storage sand device further include flow distribution plate,
Spiral pushing device stores up and is provided with spiral pushing device among sand warehouse, stores up and is provided among sand warehouse under shed along long axis
Herringbone flow distribution plate, the two sides of flow distribution plate are respectively arranged with corresponding lower sand launder, and lower sand launder is along sanding gear long axis, and water
Flat cutting faces area from top to bottom successively decreases.
9. single-direction and dual-direction sanding gear according to claim 8, it is characterised in that: further include shaking device, girder, curb girder,
Flexible sealing strip, storage sand warehouse are arranged on girder, and curb girder setting is provided with shaking device, lower sand in girder lower part, and on curb girder
The upper opening of slot, the lower sand launder is arranged below the storage sand warehouse under shed, between the lower sand launder and the storage sand warehouse
Gap is closed by flexible sealing strip, i.e., one end of flexible sealing strip with storage sand warehouse under shed be sealedly and fixedly connected, and the other end with
Lower sand launder upper opening is sealedly and fixedly connected, and formation is closed to cross sand access；Shaking device is mounted on lower sand launder side, shaking device
Drive lower sand launder progress up and down and the vibration in former and later two directions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821164332.3U CN208528014U (en) | 2018-07-23 | 2018-07-23 | Single-direction and dual-direction sanding gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821164332.3U CN208528014U (en) | 2018-07-23 | 2018-07-23 | Single-direction and dual-direction sanding gear |
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| Publication Number | Publication Date |
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| CN208528014U true CN208528014U (en) | 2019-02-22 |
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ID=65386020
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| CN201821164332.3U Active CN208528014U (en) | 2018-07-23 | 2018-07-23 | Single-direction and dual-direction sanding gear |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109014043A (en) * | 2018-07-23 | 2018-12-18 | 共享智能装备有限公司 | Single-direction and dual-direction sanding gear |
| EP3650220A4 (en) * | 2018-08-29 | 2020-07-08 | Kocel Intelligent Machinery Limited | Sand spreader |
-
2018
- 2018-07-23 CN CN201821164332.3U patent/CN208528014U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109014043A (en) * | 2018-07-23 | 2018-12-18 | 共享智能装备有限公司 | Single-direction and dual-direction sanding gear |
| WO2020019853A1 (en) * | 2018-07-23 | 2020-01-30 | 共享智能装备有限公司 | Uni- and bi-directional sand paving device |
| US11524331B2 (en) | 2018-07-23 | 2022-12-13 | Kocel Intelligent Machinery Limited | Unidirectional or bidirectional sand dispensing device |
| CN109014043B (en) * | 2018-07-23 | 2023-12-29 | 共享智能装备有限公司 | Single-direction and two-direction sand paving device |
| EP3650220A4 (en) * | 2018-08-29 | 2020-07-08 | Kocel Intelligent Machinery Limited | Sand spreader |
| US12011848B2 (en) | 2018-08-29 | 2024-06-18 | Kocel Intelligent Machinery Limited | Sand spreader |
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