CN107225183B - A kind of novel hopper and its processing drawing die used - Google Patents
A kind of novel hopper and its processing drawing die used Download PDFInfo
- Publication number
- CN107225183B CN107225183B CN201710671745.4A CN201710671745A CN107225183B CN 107225183 B CN107225183 B CN 107225183B CN 201710671745 A CN201710671745 A CN 201710671745A CN 107225183 B CN107225183 B CN 107225183B
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- foreboard
- plate
- circle
- backboard
- horizontal plane
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- 230000007704 transition Effects 0.000 claims abstract description 7
- 238000000465 moulding Methods 0.000 claims abstract description 6
- 238000009434 installation Methods 0.000 claims abstract description 5
- 230000000694 effects Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 16
- 230000008569 process Effects 0.000 description 14
- 239000000463 material Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 4
- 238000007493 shaping process Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000037303 wrinkles Effects 0.000 description 2
- 206010019233 Headaches Diseases 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000009360 aquaculture Methods 0.000 description 1
- 244000144974 aquaculture Species 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 231100000869 headache Toxicity 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003698 laser cutting Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K5/00—Feeding devices for stock or game ; Feeding wagons; Feeding stacks
- A01K5/01—Feed troughs; Feed pails
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/20—Deep-drawing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D24/00—Special deep-drawing arrangements in, or in connection with, presses
- B21D24/04—Blank holders; Mounting means therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Birds (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Food-Manufacturing Devices (AREA)
Abstract
The present invention relates to a kind of novel hoppers, including ontology and the installation parts being fixed on outside ontology, the ontology includes foreboard, backboard, left plate, right plate and bottom plate, the backboard top is also associated with a folded plate, the foreboard, backboard, left plate, right plate is arc-shaped transition and integrated molding with bottom plate, the folded plate and backboard, left plate and right plate are also integrally formed, the foreboard, the folded plate being connected with backboard, the opening that left plate and right plate surround is a round rectangle, when in use, the angle of the open place plane and horizontal plane is 45 °, the backboard and horizontal plane, respectively height the ratio between of the place risers apart from horizontal plane is 3.5 for the peak of the folded plate and the foreboard:1, the height of the risers of the foreboard is 144mm, and the present invention gives processing drawing die used on this basis.The present invention has good appearance, processing cost relatively low and advantageous effect of material-saving when in use.
Description
Technical field
The present invention relates to stainless steel hoppers, in particular to one used in machinery field more particularly to a kind of cultivation field
Drawing die used in the novel hopper of kind and its processing.
Background technology
At present for cultivation industry, how to improve the utilization rate of feed is a very crucial problem, feed profit
Aquaculture cost will be reduced with rate height.For a kind of material for the current most original of stainless steel hopper that feeding this part of sow uses
Slot structure is as shown in fig. 1, and this hopper size is relatively small, and a kind of common size is length 515mm, width 380mm,
Depth is 230mm, and front and back stress unbalance loading is small when due to processing therefore available stretch moulding process is processed, due to backboard and both sides
The height of plate is relatively low, sow on the feed when be very easy to by the feed in hopper to ride out come, cause the significant wastage of feed.
To reduce the waste of feed, existing improvement project is to increase backboard and both side plate, but the program is but brought in processing
Problem, it is known that technology can not carry out the stretch process of hopper, so being in such a way that bending is welded with and connects and be combined again
It is processed, this processing method process velocity is slow, and human cost is high, and overall cost is also higher, and in addition this bending, which is welded with, connects
The hopper intracavitary that comes out of technique productions there are buildup dead angle, the feed that accumulates in dead angle be easy it is mouldy, so as to cause sow life
Disease, this point enable pig raising people have a headache very much.Therefore it existing market both the above hopper and deposits, Dou You farms are using.
Also it has tried to increase backboard and left and right side plates and be processed using traditional drawing process, but because of knot
Structure designs the reasons such as processing mold that is unreasonable or not matching and can not process the ontology of hopper by the technique of stretching
Come.
Therefore how to design a novel hopper that the processing technology of drawing and forming can be used to produce and solve asking for expense material
One in topic as sow cultivation industry is badly in need of the technical barrier broken through.
Invention content
The present invention in view of the deficiencies of the prior art, is improved on the basis of the hopper of traditional drawing and forming, if
A novel hopper that can greatly reduce expense material and buildup dead angle is not present has been counted, and has given and redraws institute in process
The mold used.
The present invention is achieved through the following technical solutions, provides a kind of novel hopper first, including ontology and is fixed on
Installation parts outside ontology, the ontology include foreboard, backboard, left plate, right plate and bottom plate, and the backboard top is also
It is connected with a folded plate, the foreboard, backboard, left plate, right plate are arc-shaped transition and integrated molding with bottom plate, described
Folded plate is also integrally formed with backboard, left plate and right plate, the foreboard, the folded plate being connected with backboard, left plate and the right side
The opening that side plate surrounds is a round rectangle, and when in use, the angle of the open place plane and horizontal plane is 30 °~60 °,
The angle of the foreboard and horizontal plane is 30 °~60 °, the backboard and horizontal plane, the peak of the folded plate away from
It is 2.8 from the ratio between height H1 of risers where the height of horizontal plane and the foreboard:1~3.8:1, setting where the foreboard
The height H1 in face is 130mm~160mm.
After above scheme, the novel hopper of offer of the invention increased in two side plates of backboard and left and right and
On the one hand folded plate is devised on backboard, and by studying repeatedly and experimental selection suitably sized, angle and proportion relation,
It avoids and there are problems that buildup dead angle and the expense material because of pig arch food generation, since product structure is led when on the other hand reducing processing
The problem of causing the stress unbalance loading during drawing and forming, therefore what is reduced on the basis of solving prior art problem is drawn into
The excessively serious problem of unbalance loading present in type processing.
Preferably, the arc panel of the bottom plate generally arc-shaped transition of foreboard and backboard.Such preferred embodiment bottom plate
Structure is simpler and easy to process, and is reduced the advantageous effect of expense material.
Preferably, the folded plate is with foreboard, respectively place plane is mutually parallel.This design, which may make, to be drawn into
The bottom of die head is cylinder, the problem of can reducing stress unbalance loading when type.
Preferably, the angle of the open place plane and horizontal plane is 45 ° ± 5 °.
Preferably, the angle of described open place plane and horizontal plane is 45 °.
Select above two scheme to sow search for food for be comfortable feeding scheme, and processing comparatively material-saving and
Scheme easy to process.
Preferably, the angle of the foreboard and horizontal plane is 45 ° ± 5 °.
Preferably, the angle of the foreboard and horizontal plane is 45 °.
Above two scheme is selected, for solving the convenience of sow feeding, reducing and take material and buildup and side easy to process
Just there is preferable effect.
Preferably, respectively height the ratio between of the place risers apart from horizontal plane is for the peak and foreboard of the folded plate
3.52:1.This preferred embodiment takes material for reduction, has preferable effect convenient for sow feeding scheme.
Preferably, the height of the risers of the foreboard is 144mm.This preferred embodiment is for facilitating sow to search for food and draw
Unbalance loading is reduced when stretching processing preferable advantageous effect.
On the basis of the novel hopper of above-mentioned offer, the present invention also provides one kind to be made for processing above-mentioned novel hopper
Drawing die, the drawing die include upper mold circle, die head and lower die circle, the die head and the novel hopper
Cavity shape matches, the die head lower end be with the round rectangle that matches of opening, in the upper mold circle and lower die circle
It is equipped with the cavity to match with round rectangle described above, the cavity is in the left and right position pair of upper mold circle and lower die circle
Claim, and position of the cavity before and after upper mold circle and lower die circle deviates the distance of 50mm~100mm forward or backward, and with
Above-mentioned cavity is corresponding, the die head deviated forward or backward equally in front and back position on press it is corresponding away from
From after offset respective distance so that center of the peak far from press of die head, the upper surface of described lower die circle, upper surface
Below on be additionally provided with the groove or protrusion of the mutual corresponding positioning of at least two groups.
After adopting the above scheme, in the novel hopper of the processing present invention, product construction is further reduced using 2 points
The problem of leading to stress unbalance loading present in processing, be that detent mechanism is devised between upper mold circle and lower die circle first, both
The mutual corresponding positioning groove of at least two groups or protrusion, change such product conventional machining process in this way, and lower die circle is to float to add
The mode of work, so-called processing of floating refer to that the backing plate of lower die circle and placement lower die circle is to be directly placed in traditional handicraft
On press uplink support column, processing is floated in the serious product processing of stress unbalance loading, stress can become between lower die circle and die head
The problem for causing the serious problems such as the gauffer deformity of workpiece, drawing crack that product can't process greatly, and the invention
Property upper mold circle is positioned with lower die circle, positioning herein is different from the wrinkle resistant muscle of the setting in traditional drawing process, prevents
Wrinkle muscle is to be equipped in shaping process for fixing four side of hopper, and what the present invention used uses upper mold circle and lower die delineation position
Groove or protrusion for preventing lower die circle because uniform force play is used, rather than fixing steel plate reduces drawing
Serious problem is deformed during stretching；Secondly a bit, interior in the installation of die head and corresponding upper mold circle, upper mold circle
Chamber is deviated in longitudinal separation so that, center of the peak far from press of die head, so that when processing
Product backboard increases a part when stretching to the larger bottom plate position offset of deflection, reduces the deformation of bottom plate position steel plate
Amount, is more easily molded.Therefore the novel hopper designed by the present invention can successfully be processed using this drawing die.
Preferably, position of the cavity before and after upper mold circle and lower die circle deviates 80 ± 15mm's forward or backward
Distance.
Preferably, position of the cavity before and after upper mold circle and lower die circle deviates the distance of 80mm forward or backward.
Using above two scheme, the problem of deformation for processing product of the present invention is uneven and stress unbalance loading, has positive
Effect.
Preferably, being additionally provided with four groups of mutual corresponding positioning on quadrangle above the lower die circle, below upper mold circle
Groove or protrusion.This preferred embodiment is that more reliable solution is more saved and positioned to a kind of cost, contribute to compared with
Stress unbalance loading is solved the problems, such as well.
In conclusion the present invention has devised a kind of Novel material that can greatly reduce expense material and buildup dead angle is not present
Slot, and give the mold redrawn used in process.
Description of the drawings
Fig. 1 is the bin design schematic diagram for the traditional structure produced with drawing process；
Fig. 2 is the main structure diagram of the novel hopper of the present invention；
Fig. 3 is the overlooking structure diagram of Fig. 2；
Fig. 4 is the use state diagram of the novel hopper of the present invention；
Fig. 5 is the die head outline structural diagram of the drawing die of the present invention；
Fig. 6 is the main structure diagram of the upper mold circle of the drawing die of the present invention；
Fig. 7 is the schematic cross-sectional view along cross section A-A direction in Fig. 6；
Fig. 8 is the main structure diagram of the lower die circle of the drawing die of the present invention；
Fig. 9 be in Fig. 8 along the schematic cross-sectional view in section B-B direction；
As shown in the figure：
1, parts are installed, 2, foreboard, 3, backboard, 4, left plate, 5, right plate, 6, bottom plate, 7, folded plate, 8, upper mold circle, 9,
Die head, 10, lower die circle, 11, groove, 12, protrusion.
Specific implementation mode
Illustrate that the technical characterstic of the present invention program explains this programme below by specific implementation mode for that can understand
It states.
As shown in Fig. 2 to Fig. 4, a kind of novel hopper, including ontology and the installation parts 1 being fixed on outside ontology, institute
The ontology stated includes foreboard 2, backboard 3, left plate 4, right plate 5 and bottom plate 6, and 3 top of the backboard is also associated with a folded plate 7,
The foreboard 2, backboard 3, left plate 4, right plate 5 are arc-shaped transition and integrated molding with bottom plate 6, and the bottom plate 6 is whole
For the arc panel of 3 arc-shaped transition of foreboard 2 and backboard, the folded plate 7 is also integrated with backboard 3, left plate 4 and right plate 5
Molding, the opening that the foreboard 2, the folded plate 7 being connected with backboard 3, left plate 4 and right plate 5 surround are a round rectangle,
In use, the folded plate 7 is with foreboard 2, respectively place plane is mutually parallel, the angle of open the place plane and horizontal plane
It it is 45 °, the angle of the foreboard 2 and horizontal plane is 45 °, the backboard 3 and horizontal plane, the highest of the folded plate 7
The ratio between the height H1 of 2 place risers of height and the foreboard of point apart from horizontal plane is 3.52:1, setting where the foreboard 2
The height H1 in face is 144mm.
As shown in Fig. 5 to Fig. 7, one kind is used for processing drawing die used in above-mentioned novel hopper, the stretching
Mold includes upper mold circle 8, die head 9 and lower die circle 10, and the cavity shape of the die head 9 and the novel hopper matches, institute
9 lower end of die head stated is the round rectangle to match with opening, is equipped in the upper mold circle 8 and lower die circle 10 and institute above
The cavity that round rectangle matches is stated, the cavity is symmetrical in the left and right position of upper mold circle 8 and lower die circle 10, and the cavity
The distance of position biased forwards 88.5mm before and after upper mold circle 8 and lower die circle 10, and, the mould corresponding with above-mentioned cavity
First 9 on press equally in front and back position the corresponding distance of biased forwards, deviate after respective distance so that die head 9
Center of the peak far from press, the lower die circle 10 is additionally provided with four groups of phases on quadrangle above, below upper mold circle 8
The groove 11 or protrusion 12 of mutual corresponding positioning.
The processing process that above-mentioned hopper should also be briefly described herein, includes the following steps, blanking → be drawn into
Type → shaping → laser cutting → crimping, wherein it should be noted that in shaping process, used upper mold have with most
The corresponding inside cavity of finished product shape, in processing, die head does not need front and back position offset on being fixed on stretching, directly adopts
Corresponding mold is designed with traditional shaping process and according to the shape of institute's converted products.
Certainly, above description is also not limited to the example above, and technical characteristic of the utility model without description can lead to
It crosses or realizes that details are not described herein using the prior art；Above example and attached drawing are merely to illustrate the technology of the utility model
Scheme is not limitations of the present invention, and the utility model is described in detail with reference to preferred embodiment, this
Field it is to be appreciated by one skilled in the art that those skilled in the art institute in the essential scope of the utility model
The variations, modifications, additions or substitutions made should also belong to the claim protection model of the present invention without departure from spirit of the invention
Enclose, such as groove 11 that is equipped with of affiliated upper mold circle 8 and lower die circle 10 and protrusion 12 can be interchanged, some sizes being related to nor
Unalterable, above-described embodiment has been merely given as best embodiment.
Claims (10)
1. a kind of novel hopper, including ontology and the installation parts that are fixed on outside ontology（1）, the ontology includes foreboard
（2）, backboard（3）, left plate（4）, right plate（5）And bottom plate（6）, it is characterised in that：The backboard（3）Top is also associated with one
Folded plate（7）, the foreboard（2）, backboard（3）, left plate（4）, right plate（5）And bottom plate（6）For arc-shaped transition and one
Molding, the folded plate（7）With backboard（3）, left plate（4）And right plate（5）Also it is integrally formed, the foreboard（2）And
Backboard（3）Connected folded plate（7）, left plate（4）And right plate（5）The opening surrounded is a round rectangle, when in use, described
The angle of plane and horizontal plane where open is 30 °~60 °, the foreboard（2）Angle with horizontal plane is 30 °~60 °, institute
The backboard stated（3）With horizontal plane, the folded plate（7）Apogee distance horizontal plane height and the foreboard（2）Place
The ratio between height H1 of risers is 2.8:1~3.8:1, the foreboard（2）The height H1 of place risers is 130mm~160mm.
2. novel hopper according to claim 1, it is characterised in that：The bottom plate（6）Generally foreboard（2）And backboard
（3）The arc panel of arc-shaped transition.
3. novel hopper according to claim 1, it is characterised in that：The folded plate（7）With foreboard（2）It is flat where respectively
Face is mutually parallel.
4. novel hopper according to claim 1, it is characterised in that：It is described it is open where the angle of plane and horizontal plane be
45°±5°。
5. novel hopper according to claim 1, it is characterised in that：The foreboard（2）Angle with horizontal plane is 45 °
±5°。
6. novel hopper according to claim 1, it is characterised in that：The folded plate（7）Peak and foreboard（2）Respectively
The ratio between the height of place risers apart from horizontal plane is 3.52:1.
7. novel hopper according to claim 1, it is characterised in that：The foreboard（2）The height H1 of risers be
144mm。
8. one kind is used for processing the drawing die as used in any novel hopper in claim 1 to 7, the drawing die
Including upper mold circle（8）, die head（9）With lower die circle（10）, the die head（9）With the cavity shape phase of the novel hopper
Match, it is characterised in that：The die head（9）Lower end is the round rectangle to match with opening, the upper mold circle（8）And lower die
Circle（10）It is inside equipped with the cavity to match with round rectangle described above, the cavity is in upper mold circle（8）With lower die circle
（10）Left and right position it is symmetrical, and the cavity is in upper mold circle（8）With lower die circle（10）Front and back position it is inclined forward or backward
The distance of shifting 50mm~100mm, and, the die head corresponding with above-mentioned cavity（9）On press equally in anteroposterior position
It sets and deviates corresponding distance forward or backward, make die head after deviating respective distance（9）Peak far from press
Heart position, the lower die circle（10）The upper surface of, upper mold circle（8）Below on be additionally provided with the mutual corresponding positioning of at least two groups and use
Groove（11）Or protrusion（12）.
9. drawing die according to claim 8, it is characterised in that：The cavity is in upper mold circle（8）With lower die circle（10）
Front and back position deviate the distance of 80 ± 15mm forward or backward.
10. drawing die according to claim 8, it is characterised in that：The lower die circle（8）Above, upper mold circle（10）
The groove of four groups of mutual corresponding positioning is additionally provided on following quadrangle（11）Or protrusion（12）.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710671745.4A CN107225183B (en) | 2017-08-08 | 2017-08-08 | A kind of novel hopper and its processing drawing die used |
| PCT/CN2018/098260 WO2019029424A1 (en) | 2017-08-08 | 2018-08-02 | Novel feed chute and stretching mould for processing same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710671745.4A CN107225183B (en) | 2017-08-08 | 2017-08-08 | A kind of novel hopper and its processing drawing die used |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107225183A CN107225183A (en) | 2017-10-03 |
| CN107225183B true CN107225183B (en) | 2018-08-10 |
Family
ID=59958078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710671745.4A Active CN107225183B (en) | 2017-08-08 | 2017-08-08 | A kind of novel hopper and its processing drawing die used |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107225183B (en) |
| WO (1) | WO2019029424A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107225183B (en) * | 2017-08-08 | 2018-08-10 | 山东金星不锈钢科技有限公司 | A kind of novel hopper and its processing drawing die used |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0641014B2 (en) * | 1986-01-31 | 1994-06-01 | 丸順精器工業株式会社 | Timing Belt Pull Mold |
| CN202059857U (en) * | 2011-05-12 | 2011-12-07 | 程洪青 | Pig feeding trough |
| CN202354197U (en) * | 2011-11-25 | 2012-08-01 | 周庆民 | Feed trough capable of preventing overflow of pig feed |
| WO2013088200A1 (en) * | 2011-12-13 | 2013-06-20 | Rīgas Tehniskā Universitāte | Spill-proof container |
| CN104028609B (en) * | 2014-05-27 | 2016-02-24 | 浙江大学 | Be applied to the annular frustum structure Two-layer Blank Holder device of dome head integral drawing |
| CN204032041U (en) * | 2014-06-19 | 2014-12-24 | 鲁伏田 | A kind of sow manger |
| CN104759513A (en) * | 2015-03-17 | 2015-07-08 | 苏州市东吴滚针轴承有限公司 | Stretching and automatic feeding device for outer ring of bearing |
| CN204733735U (en) * | 2015-03-24 | 2015-11-04 | 贵州省草业研究所 | Drylot feeding sheep trough |
| CN205492069U (en) * | 2016-03-17 | 2016-08-24 | 江西润民农业生物科技发展有限公司 | Trough is used to convenient abluent pig |
| CN205922416U (en) * | 2016-06-20 | 2017-02-08 | 务川县金茂生猪养殖有限公司 | Feed trough for pigs |
| CN106561471A (en) * | 2016-10-25 | 2017-04-19 | 马鞍山市金农牧业有限公司 | Trough achieving automatic feeding and cleaning |
| CN207086706U (en) * | 2017-08-08 | 2018-03-13 | 山东金星不锈钢科技有限公司 | A kind of drawing die used in new hopper and its processing |
| CN107225183B (en) * | 2017-08-08 | 2018-08-10 | 山东金星不锈钢科技有限公司 | A kind of novel hopper and its processing drawing die used |
-
2017
- 2017-08-08 CN CN201710671745.4A patent/CN107225183B/en active Active
-
2018
- 2018-08-02 WO PCT/CN2018/098260 patent/WO2019029424A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019029424A1 (en) | 2019-02-14 |
| CN107225183A (en) | 2017-10-03 |
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