CN206882782U - One kind material shoe apparatus - Google Patents
One kind material shoe apparatus Download PDFInfo
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- CN206882782U CN206882782U CN201720270207.XU CN201720270207U CN206882782U CN 206882782 U CN206882782 U CN 206882782U CN 201720270207 U CN201720270207 U CN 201720270207U CN 206882782 U CN206882782 U CN 206882782U
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- sieve plate
- mesh
- boots body
- shoe apparatus
- material boots
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Abstract
The utility model discloses one kind to expect shoe apparatus, including tremie pipe and material boots body, the port of export of the tremie pipe is stretched into the inner chamber of the material boots body, the exit of the material boots body is provided with the first sieve plate and the second sieve plate being bonded up and down, second sieve plate is fixedly installed and seals the outlet of the material boots body, multiple mesh are equipped with first sieve plate and the second sieve plate, first sieve plate is correspondingly provided with first sieve plate of driving and moves back and forth the drive component so that the mesh break-make of the mesh of the first sieve plate and the second sieve plate.The utility model can be and identical with the pressure at each position of filler rear mold intracavitary during filler simultaneously to the filler of die cavity diverse location, and powder filling is uniform in die cavity, ensure that the uniformity of the product size precision after sintering.
Description
Technical field
It the utility model is related to powder metallurgical technology, more particularly to a kind of material shoe apparatus.
Background technology
In powder forming technology, the uniformity of powder filling is most important to the dimensional accuracy of product after sintering.At present,
The powder filling mode of main flow is to move back and forth the feeding realized to die cavity by expecting boots to be covered in cavity surface, and this
The defects of filler mode is brought be first pusher side by the time covered by material boots is greater than rear pusher side, so as to cause
The powder filling of first pusher side is relatively closely knit, and powder filling in rear pusher side is of a relatively loose, and then causes product sintering warpage serious.Institute
With, how to solve because caused by expecting boots pusher priority pusher side time difference be solve die cavity in powder uniformity it is crucial because
Element.
Patent No. CN201310126810 patent of invention discloses a kind of including material boots body, feed pipe, motor and rotation
The material shoe apparatus of turn hole disk, the structure are directed to the larger product of appearance and size, can improve powder in die cavity on relative meaning
Uniformity.Due to disk, powder does not stop to rub with disk in rotary course, changes the mobility of powder to a certain extent, from
And influence uniform filling.In addition, it is necessary to provide the power of disc rotary, apparatus structure is complicated.
Patent No. CN200780049928 patent of invention discloses a kind of side by setting screen cloth in material sole portion
Formula changes uniform filling to increase filler performance density.Although this mode is all set to the uniformity of powder filling
Place, but still exist and first push away the characteristics of lateral pressure is big, the filler time is long, it can not avoid first pushing away side filler caused by filler direction
The shortcomings that density is big, pusher side packing density is small.
Utility model content
The technical problems to be solved in the utility model is overcome the deficiencies in the prior art, there is provided one kind can simultaneously to die cavity not
Identical with the pressure at each position of filler rear mold intracavitary with the filler of position, and during filler, powder filling is uniform in die cavity, ensure that
The material shoe apparatus of product size precision uniformity after sintering.
In order to solve the above technical problems, the utility model uses following technical scheme：
One kind material shoe apparatus, including tremie pipe and material boots body, the port of export of the tremie pipe stretch into the material boots body
Inner chamber in, the exit of the material boots body is provided with the first sieve plate and the second sieve plate being bonded up and down, and second sieve plate is consolidated
It is fixed to set and seal the outlet of the material boots body, multiple mesh are equipped with first sieve plate and the second sieve plate, it is described
First sieve plate is correspondingly provided with first sieve plate of driving and moved back and forth so that the mesh break-make of the mesh of the first sieve plate and the second sieve plate
Drive component.
Further improvement as above-mentioned technical proposal：
The drive component includes connecting shaft, spring and nut, and a side wall of the material boots body is provided with through hole, the company
Spindle one end is connected through the through hole with the first sieve plate, and the other end coordinates with the nut thread, and the spring is placed on connection
On axle and press between nut and the side wall for expecting boots body.
The material shoe apparatus also includes a flat board, and the flat board is provided with feeding port, and the material boots body can be described flat
Moved on plate so as to expect that the outlet of boots body is docked with the feeding port.
The external part of the connecting shaft is positioned at side of the material boots body towards feeding port, the feeding port and the remote company
The side of spindle is provided with the block that can be pushed against with the nut and/or connecting shaft.
The distance between the block and the feeding port are L1, L1 ＞ 0.
Second sieve plate is located in the outlet of the material boots body and is bonded with the outlet inside wall of the material boots body, institute
State the upper surface that the first sieve plate is located at the second sieve plate.
The port of export of the tremie pipe is horizontally disposed with, and between the port of export of the tremie pipe and the first sieve plate it is vertical away from
From being preferably 10 mm~20mm for L2, L2.
Mesh area on first sieve plate is no more than the 1/2 of the first sieve plate gross area, the net on second sieve plate
Hole area is no more than the 1/2 of the second sieve plate gross area, and the mesh on first sieve plate has phase with the mesh on the second sieve plate
Same or similar specification.
The width of mesh is L32 on first sieve plate, and the spacing between two neighboring mesh is L31；Second sieve
The width of mesh is L43 on plate, and the spacing between two neighboring mesh is L42, wherein, L31 >=L43, L32≤L42.
Compared with prior art, the utility model has the advantage of：
（1）Material shoe apparatus of the present utility model, passes through the net on the sieve plate of drive device fast driving first and the second sieve plate
Hole moment connects and disconnected, and eliminates the filler time difference of diverse location, ensure that while to the filler of die cavity diverse location, and
It is identical with the pressure at each position of filler rear mold intracavitary during filler, so that powder filling is uniform in die cavity, after ensure that sintering
Product size precision uniformity.
（2）Material shoe apparatus of the present utility model, drive component are Mechanical Driven, including connecting shaft, spring and nut, flat
Baffle plate is set on plate, when material boots body moves, is touched by nut with block, realizes mesh on the first sieve plate and the second sieve plate
Connection, it is simple to operate, it is easy to make.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is schematic diagram when the utility model town Southern Pass material boots body is located at filler position.
Fig. 3 is dimensional structure diagram of the present utility model.
Fig. 4 is the structural representation of the first sieve plate in the utility model.
Fig. 5 is the structural representation of the second sieve plate in the utility model.
Each label represents in figure：
1st, tremie pipe；2nd, boots body is expected；21st, through hole；22nd, front side wall；23rd, rear wall；3rd, the first sieve plate；4th, the second sieve
Plate；5th, mesh；51st, powder flow outlets；6th, drive component；61st, connecting shaft；62nd, spring；63rd, nut；7th, flat board；71st, filler
Mouthful；8th, block.
Embodiment
The utility model is described in further detail below in conjunction with Figure of description and specific embodiment.
Fig. 1 to Fig. 5 shows a kind of embodiment of the utility model material shoe apparatus, and the material shoe apparatus includes the He of tremie pipe 1
Expect boots body 2, the port of export of tremie pipe 1 is stretched into the inner chamber of material boots body 2, and the exit of material boots body 2 is provided with fitting up and down
The first sieve plate 3 and the second sieve plate 4, the second sieve plate 4 is fixedly installed and seals the outlet for expecting boots body 2, the first sieve plate 3 and the
Multiple mesh 5 are equipped with two sieve plates 4, the first sieve plate 3 is correspondingly provided with first sieve plate of driving 3 and moved back and forth so that the first sieve plate
The drive component 6 of the break-make of mesh 5 of 3 sieve plate 4 of mesh 5 and second.During non-filler, the net on the first sieve plate 3 and the second sieve plate 4
The mutual dislocation of hole 5, it is ensured that the outlet closing of material boots body 2；When needing filler, material boots body 2 is moved to filler position, passed through
The first sieve plate of fast driving 3 of drive component 6 moves relative to the second sieve plate 4, and moment communicates the mesh 5 on the two, forms powder
Flow outlets 51, expect the powder in boots body 2 simultaneously to die cavity（Not shown in figure, positioned at the lower section of the outlet of material boots body 2）
Interior diverse location filling；When filler is completed, the first sieve plate of fast driving 3 retracts to initial position, and moment makes on two sieve plates
Mesh 5 misplace, so as to cut off powder flow outlets 51, close the outlet of material boots body 2.The material shoe apparatus of the present embodiment,
Connect and disconnect with the moment of mesh 5 on the second sieve plate 4 by the first sieve plate of drive device fast driving 3, eliminate different positions
The filler time difference put, it ensure that while to the filler of die cavity diverse location, and during filler and each position of filler rear mold intracavitary
Pressure is identical, so that powder filling is uniform in die cavity, ensure that the product size precision uniformity after sintering.
In concrete application example, drive component 6 can select the modes such as hydraulic-driven, Mechanical Driven, automatically controlled driving.This
In embodiment, drive component 6 is Mechanical Driven, including connecting shaft 61, spring 62 and nut 63, and a side wall of material boots body 2 is set
There is through hole 21, the one end of connecting shaft 61 is connected through through hole 21 with the first sieve plate 3, and the other end coordinates with the screw thread of nut 63, spring 62
It is placed in connecting shaft 61 and presses on nut 63 between the side wall of material boots body 2.
In the present embodiment, material shoe apparatus also includes a flat board 7, and flat board 7 is provided with feeding port 71, and material boots body 2 can be flat
Moved on plate 7 so as to expect that the outlet of boots body 2 is docked with feeding port 71.The charging aperture of die cavity is located in feeding port 71.
The external part of connecting shaft 61 is positioned at material boots body 2 towards the side of feeding port 71, feeding port 71 and away from connecting shaft
61 side is provided with the block 8 that can be pushed against with nut 63 and/or connecting shaft 61.In the present embodiment, material boots body 2 is located at filler position
Block 8 touches with nut 63 when putting.
In the present embodiment, the distance between block 8 and feeding port 71 are L1, L1 ＞ 0.
In the present embodiment, the second sieve plate 4 is bonded in the outlet of material boots body 2 and with the outlet inside wall of material boots body 2,
First sieve plate 3 is located at the upper surface of the second sieve plate 4.Second sieve plate 4 it is immovable with the surrounding side wall of the inner chamber of material boots body 2 it
Between be bonded.Front side wall 22 of first sieve plate 3 in initial position with material boots body 2（Close to the side of feeding port 71）Fitting,
With expecting that the rear wall 23 of boots body 2 is bonded during filler position.Through hole 21 is located on front side wall 22.
The port of export of tremie pipe 1 is horizontally disposed with, and the vertical range between the port of export of tremie pipe 1 and the first sieve plate 3 is
L2, L2 are preferably 10 mm~20mm, and L2 is preferably 15mm in the present embodiment, makes have enough amount of powder to pass through in material boots body 2
Powder flow outlets 51 are to ensure the substance stability of powder filler.
The area of mesh 5 on first sieve plate 3 is no more than the 1/2 of the gross area of the first sieve plate 3, the face of mesh 5 on the second sieve plate 4
1/2 of product no more than the gross area of the second sieve plate 4, mesh 5 on the first sieve plate 3 and the mesh 5 on the second sieve plate 4 with identical or
Similar specification.In the present embodiment, the mesh 5 on the first sieve plate 3 is identical with the specification of mesh 5 on the second sieve plate 4.
The size of powder flow outlets 51 affects the speed that powder flows into die cavity, and the size of the outlet is by the first sieve
What mesh 5 size L31, L32, L41, L42 on the sieve plate 4 of plate 3 and second were determined.The width of mesh 5 is L32 on first sieve plate 3,
Spacing between two neighboring mesh 5 is L31；The width of mesh 5 is L43 on second sieve plate 4, between two neighboring mesh 5
Spacing is L42, wherein, to form the plane of closing, L31 >=L43, L32≤L42 to guarantee.The outside notch size of second sieve plate 4
For L41, in the present embodiment, L31=L32=L41=L42=L43.For ensure powder circulation is smooth and uniform filling, the size of mesh 5
L31 preferred scope is 2mm~10mm, most preferably 2mm ~ 5mm.In the present embodiment, L31 is arranged to 3mm.Accordingly, first
The size relationship of the sieve plate 4 of sieve plate 3 and second is L3=L4-3.
Operation principle：
During powder materials boots filler, due to hopper（Not shown in figure）In powder through tremie pipe 1 imported into material boots sheet
In body 2.During original state, because the pressure of spring 62 makes the first sieve plate 3 be close to the front side wall 22 for expecting boots body 2, and with second
Sieve plate 4 forms a closure plane, prevents powder from being flowed out from the outlet of material boots body 2；When material boots body 2 is transported forward along flat board 7
When moving to filler position, nut 63 touches with block 8, the first sieve plate 3 is moved on the second sieve plate 4 to material boots body 2 anti-
Direction slide, while further compression spring 62, moment make the mesh 5 on the first sieve plate 3 and the second sieve plate 4 communicate to be formed it is multiple
Powder flow outlets 51, expect the powder diverse location filling into die cavity simultaneously in boots body 2；When material boots body 2 leaves filler
When position retracts, in the presence of the restoring force of spring 62, the first sieve plate 3 returns to original state, the mesh 5 on two sieve plates
Stagger, the outlet for expecting boots body 2 is closed.
Although the utility model is disclosed above with preferred embodiment, but it is not limited to the utility model.It is any
Those skilled in the art, in the case where not departing from technical solutions of the utility model scope, all using the disclosure above
Technology contents technical solutions of the utility model are made with many possible changes and modifications, or be revised as the equivalent of equivalent variations
Embodiment.Therefore, every content without departing from technical solutions of the utility model, according to the utility model technical spirit to real above
Any simple modifications, equivalents, and modifications that example is done are applied, all should be fallen in the range of technical solutions of the utility model protection.
Claims (9)
1. one kind material shoe apparatus, including tremie pipe（1）With material boots body（2）, the tremie pipe（1）The port of export stretch into the material
Boots body（2）Inner chamber in, it is characterised in that：The material boots body（2）Exit be provided with the first sieve plate for being bonded up and down（3）
With the second sieve plate（4）, second sieve plate（4）It is fixedly installed and by the material boots body（2）Outlet seal, it is described first sieve
Plate（3）With the second sieve plate（4）On be equipped with multiple mesh（5）, first sieve plate（3）It is correspondingly provided with first sieve plate of driving
（3）Move back and forth so that the first sieve plate（3）Mesh（5）With the second sieve plate（4）Mesh（5）The drive component of break-make（6）.
2. material shoe apparatus according to claim 1, it is characterised in that：The drive component（6）Including connecting shaft（61）, bullet
Spring（62）And nut（63）, the material boots body（2）A side wall be provided with through hole（21）, the connecting shaft（61）One end passes through institute
State through hole（21）With the first sieve plate（3）Connection, the other end and the nut（63）Screw thread coordinates, the spring（62）It is placed on connection
Axle（61）Go up and press on nut（63）With expecting boots body（2）Side wall between.
3. material shoe apparatus according to claim 2, it is characterised in that：The material shoe apparatus also includes a flat board（7）, it is described
Flat board（7）It is provided with feeding port（71）, the material boots body（2）Can be in the flat board（7）Upper movement is so that material boots body（2）'s
Outlet and the feeding port（71）Docking.
4. material shoe apparatus according to claim 3, it is characterised in that：The connecting shaft（61）External part positioned at material boots sheet
Body（2）Towards feeding port（71）Side, the feeding port（71）With the remote connecting shaft（61）Side be provided with can be with institute
State nut（63）And/or connecting shaft（61）The block of abutting（8）.
5. material shoe apparatus according to claim 4, it is characterised in that：The block（8）With the feeding port（71）Between
Distance be L1, L1 ＞ 0.
6. the material shoe apparatus according to claim 1 to 5 any one, it is characterised in that：Second sieve plate（4）Positioned at institute
State material boots body（2）Outlet in and with the material boots body（2）Outlet inside wall fitting, first sieve plate（3）Positioned at
Two sieve plates（4）Upper surface.
7. material shoe apparatus according to claim 6, it is characterised in that：The tremie pipe（1）The port of export be horizontally disposed with, and
The tremie pipe（1）The port of export and the first sieve plate（3）Between vertical range be L2, L2 scope is 10 mm~20mm.
8. the material shoe apparatus according to claim 1 to 5 any one, it is characterised in that：First sieve plate（3）On net
Hole（5）Area is no more than the first sieve plate（3）The 1/2 of the gross area, second sieve plate（4）On mesh（5）Area is no more than the
Two sieve plates（4）The 1/2 of the gross area, first sieve plate（3）On mesh（5）With the second sieve plate（4）On mesh（5）With phase
Same specification.
9. material shoe apparatus according to claim 8, it is characterised in that：First sieve plate（3）Upper mesh（5）Width be
L32, two neighboring mesh（5）Between spacing be L31；Second sieve plate（4）Upper mesh（5）Width be L43, adjacent two
Individual mesh（5）Between spacing be L42, wherein, L31 >=L43, L32≤L42.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720270207.XU CN206882782U (en) | 2017-03-20 | 2017-03-20 | One kind material shoe apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720270207.XU CN206882782U (en) | 2017-03-20 | 2017-03-20 | One kind material shoe apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206882782U true CN206882782U (en) | 2018-01-16 |
Family
ID=61328648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720270207.XU Active CN206882782U (en) | 2017-03-20 | 2017-03-20 | One kind material shoe apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206882782U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108655393A (en) * | 2018-05-19 | 2018-10-16 | 安徽中健三维科技有限公司 | A kind of powder discharging device of 3D printer |
| CN113290929A (en) * | 2021-05-20 | 2021-08-24 | 麦格磁电科技（珠海）有限公司 | Multi-die forming feeding device and method |
-
2017
- 2017-03-20 CN CN201720270207.XU patent/CN206882782U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108655393A (en) * | 2018-05-19 | 2018-10-16 | 安徽中健三维科技有限公司 | A kind of powder discharging device of 3D printer |
| CN113290929A (en) * | 2021-05-20 | 2021-08-24 | 麦格磁电科技（珠海）有限公司 | Multi-die forming feeding device and method |
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