CN109228007A - The dedicated Y taper pelletizer of ceramic/metal powder - Google Patents
The dedicated Y taper pelletizer of ceramic/metal powder Download PDFInfo
- Publication number
- CN109228007A CN109228007A CN201811232904.1A CN201811232904A CN109228007A CN 109228007 A CN109228007 A CN 109228007A CN 201811232904 A CN201811232904 A CN 201811232904A CN 109228007 A CN109228007 A CN 109228007A
- Authority
- CN
- China
- Prior art keywords
- bipyramid
- screw
- heating cylinder
- groove body
- pelletizing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
- B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
- B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
- B29B7/48—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
- B29B7/484—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws with two shafts provided with screws, e.g. one screw being shorter than the other
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
- B29B7/7476—Systems, i.e. flow charts or diagrams; Plants
- B29B7/7495—Systems, i.e. flow charts or diagrams; Plants for mixing rubber
Abstract
The present invention discloses the dedicated Y taper pelletizer of ceramic/metal powder, and frame upper end portion installs gear housing, bipyramid cavity, heating cylinder and pelletizing component；The installing of heating cylinder front end squeezes out head；Bipyramid cavity includes bipyramid groove body, groove body support base, forms bipyramid in bipyramid groove body and squeezes pan feeding chamber, and material bin is installed in bipyramid groove body upper end, and groove body support base upper end and bipyramid cavity lower end spiral shell dress are fixed, and has melten gel to squeeze out chamber inside heating cylinder；There are the driving screw by main motor driving and the sub-screw of gear-box driving in bipyramid chamber, it is in a certain angle between driving screw and sub-screw, it forms bipyramid and squeezes feeding structure；Heating cylinder embeds driving screw extension.Said structure design has the advantages that novel design, high degree of automation, work efficiency is high, and can effectively improve the dust pollution in working environment.
Description
Technical field
The present invention relates to a kind of ceramics, metal Granulation Equipments, and specifically a kind of powder suitable for ceramics and metal is made
Grain machine.
Background technique
It is granulated in process in ceramics, metal, the generally existing blanking of pelletizer in the prior art is difficult, easy to pollute and not
The problem of easy to clean, this can seriously affect yield and product quality.Under existence conditions, the common practices of ceramic prilling are as follows:
The crushing material that will be kneaded；And a large amount of dust pollution can be generated in crushing process, this can be to the body of field personnel
Body health causes damages.In addition, the mode that the prior art generallys use multiple computer desk multi-process realizes that the degree of automation is mentioned
Height, but the problem of exist simultaneously low recovery efficiency and high labor cost.
Summary of the invention
To overcome metal in the prior art, ceramic prilling technology and being granulated defect existing for machinery, the present invention provides pottery
The dedicated Y taper pelletizer of porcelain/metal powder, the machinery carry out the pan feeding of ceramics, raw metal by the double cone structure of improvement
Work, novel in design, high degree of automation, work efficiency is high and can be effectively reduced dust pollution, improves in working environment.
The technical solution adopted by the present invention to solve the technical problems is: the dedicated Y taper pelletizer of ceramic/metal powder,
Including organic frame, the upper end of rack is installed with the heating cylinder arranged in horizontal cross, and the outer surface of heating cylinder is sheathed with
The inside molding of electric heater, heating cylinder squeezes out chamber, heating cylinder along the melten gel that the axis direction of heating cylinder extends
Front end be installed with extrusion head, the upper end of rack is installed with bipyramid cavity in heating cylinder rear end.
The bipyramid cavity includes bipyramid groove body and the groove body support base for being installed in bipyramid cavity lower end side, groove body branch
Support seat lower end be spirally connected with rack, the inside of bipyramid groove body have before and after completely through driving screw and sub-screw；Groove body support
The upper end of seat is screwed at the lower end of bipyramid groove body, and the lower end of bipyramid groove body is equipped with electric boiling plate, and the upper end of bipyramid groove body is expected
Chamber opening is installed with material bin funnel-shaped, and the front end of bipyramid cavity is screwed on heating cylinder, the rear end of bipyramid cavity
Portion is screwed on gear housing.
There is a pair of relatively turnable, in a certain angle arrangement in the bipyramid groove body of bipyramid cavity and synchronizes incorgruous rotation
Driving screw and sub-screw, the main external spiral of driving screw is engaged with the secondary bottom diameter of sub-screw to be reached from net effect, and the pair of sub-screw is outer
Spiral is engaged with the main bottom diameter of driving screw to be reached from net effect, and the mixing and dispersion of material are come by driving screw and sub-screw engagement
Realize, driving screw and sub-screw axis are in a certain angle, form bipyramid and force feeding structure, the main external spiral of driving screw along
The vallecular cavity edge of bipyramid groove body moves forward with peace and quiet bipyramid groove body, the secondary external spiral of sub-screw along bipyramid groove body vallecular cavity side
Edge moves forward with peace and quiet bipyramid groove body, and driving screw and sub-screw run through gear housing, and bipyramid cavity and gear housing are spirally connected place
Equipped with mechanical seal plate.
Rotatably extend embedded with along the axis direction of heating cylinder in the melten gel extruding cavity room of heating cylinder
Driving screw extension, the upper end of rack is installed with pelletizing component in the front end side of heating cylinder.
The driving screw axis has driven sprocket, the power output shaft of the main motor in the periphery set card of the gear housing
It is installed with drive sprocket, around driving chain is equipped between drive sprocket and driven sprocket, main motor driving driving screw rotates and leads to
It crosses gear housing and drives the rotation of sub-screw synchronous backward；Driving screw and sub-screw axis form certain angle α, shape cloth in Y-shape
Structure is set, angle α is between 11 °~25 °.
Wherein, the bottom anchor ear of the bipyramid cavity has the heating device heated to electric boiling plate.
Wherein, the pelletizing component includes to be installed in the frame upper end portion and be located at the heating cylinder front end side
Pelletizing cover, the inside of pelletizing cover form pelletizing chamber, and the front end for squeezing out head stretches to cutting for pelletizing cover
In grain chamber, the upper end of rack is installed with pelletizing driving motor in the side of pelletizing cover；The power of pelletizing driving motor is defeated
It is equipped at shaft and is flush-mounted in the indoor pelletizing head of pelletizing chamber；Pelletizing component by being set on the rack hinge, can 0 °~
It is freely opened within the scope of 120 °.It, can the locking device of quick locking on the rack when pelletizing component pelletizing.
The bipyramid cavity and heating cylinder can set release cylinder in lower section, and it is affixed on the rack to release cylinder；Bipyramid
Cavity and heating cylinder can be released forward by cylinder, and driving screw and sub-screw and bipyramid groove body, melten gel is made to squeeze out chamber point
From.
The outside of structure can have barrel shield at the heating cylinder.
Above and " preceding " or " front " described hereinafter refers to the direction of nearly pelletizing assembly end, and " rear " or " rear " refers to
Nearly gear housing direction.
The invention has the benefit that have in bipyramid groove body completely through driving screw and sub-screw, driving main motor drive
It dynamic driving screw and drives sub-screw shape to form an angle by gear housing, forms bipyramid feeding structure in bipyramid groove body,
Spice can be effectively performed, and have from net effect, it can be to avoid dust pollution；Driving screw extension squeezes out chamber through melten gel
It is interior, material can be pushed and carry out blank operation；Spice and pelletizing operation can be completely completed on the whole, granulating working procedure is complete
It is whole to be combined together.Said structure design has the advantages that novel design, high degree of automation, work efficiency is high on the whole,
And the dust pollution in working environment can be effectively improved.
Detailed description of the invention
Below in conjunction with attached drawing, the present invention is further illustrated.
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram (containing internal structure) at side visual angle of the present invention；
Fig. 3 is the structural schematic diagram at present invention top visual angle；
Fig. 4 is the structural schematic diagram of pan feeding component of the invention；
Fig. 5 is the structural schematic diagram at visual angle above pan feeding component of the invention.
In figure, 1. racks, 2. gear housings, 21. driven sprockets, 3. bipyramid cavitys, 31. driving screws, 311. main external spirals,
312. main bottom diameters, 313. driving screw extensions, 32. sub-screws, 321. secondary external spirals, 322. secondary bottom diameters, 33. material bins, 34. slots
Body support base, 35. electric boiling plates, 36. bipyramid groove bodies, 37. mechanical seal plates, 41. heating cylinders, 42. melten gels squeeze out chamber,
43. barrel shield, 5. squeeze out head, 6. pelletizing components, 61. hinges, 62. locking devices, 63. pelletizing covers, 64. pelletizings driving
Motor, 7. release cylinder, 8. main motors, 81. drive sprockets, 82. driving chains.
Specific embodiment
The dedicated Y taper pelletizer of ceramic/metal powder, including organic frame 1, the upper end of rack 1 are installed in horizontal horizontal
To the heating cylinder 41 of arrangement, the outer surface of heating cylinder 41 is sheathed with electric heater, the inside molding of heating cylinder 41 along
The melten gel that the axis direction of heating cylinder 41 extends squeezes out chamber 42, and the front end of heating cylinder 41, which is installed with, squeezes out head 5, machine
The upper end of frame 1 connects bipyramid cavity 3 in the rear end of heating cylinder 41.
Further, bipyramid cavity 3 includes bipyramid groove body 36 and the groove body branch for being installed in 36 lower end side of bipyramid groove body
Support seat 34, lower end and the rack 1 of groove body support base 34 be spirally connected, the inside of bipyramid groove body 36 have before and after completely through driving screw
31 and sub-screw 32, the upper end of groove body support base 34 be screwed at the lower end of bipyramid groove body 36,36 lower end of bipyramid groove body is equipped with
The upper end material chamber opening of electric boiling plate 35, bipyramid groove body 36 is installed with material bin 33 funnel-shaped, the front end of bipyramid cavity 3
Portion is screwed on heating cylinder 41, and the rear end of bipyramid cavity 3 is screwed on gear housing 2.
Driving screw 31 and 32 axis of sub-screw α arrangement in a certain angle in the bipyramid groove body 36 of bipyramid cavity 3, and can be same
Incorgruous rotation is walked, the main external spiral 311 of driving screw 31 is engaged with the secondary bottom diameter 322 of sub-screw 32 to be reached from net effect, sub-screw
32 secondary external spiral 321 is engaged with the main bottom diameter 312 of driving screw 31 to be reached from net effect, and driving screw 31 and sub-screw 32 run through tooth
Cabinet 2 is taken turns, is equipped with mechanical seal plate 37 at bipyramid cavity 3 and 2 screw connection of gear housing.
In addition, the melten gel of heating cylinder 41 squeezes out in chamber 42 rotatably embedded with the axis along heating cylinder 41
The driving screw extension 313 that line direction extends, the upper end of rack 1 is installed with pelletizing component 6 in the front end side of heating cylinder 41.
Below in conjunction with the specific course of work, the present invention will be described in detail, specifically: the material being kneaded is set
In material bin 33, the material in material bin 33 is fallen into bipyramid groove body 36；Under the driving of main motor 8,31 turns of driving screw
It is dynamic, and be driven through gear housing 2 and drive the rotation of 32 reverse sync of sub-screw, it is certain between driving screw 31 and the axis of sub-screw 32
Angle α forms bipyramid feeding structure forward, between two screw rods there is self-cleaning effect will not generate material adhesion in the process
Screw rod phenomenon, therefore material stock contaminated material phenomenon will not occur；Material through bipyramid compacting is by through heating cylinder 41
Driving screw extension 313 is sent to melten gel and squeezes out in chamber 42, and the electric heater of 41 outer surface of heating cylinder is to heating cylinder 41
It is heated and melten gel is made to squeeze out the rim charge fusing in chamber 42 and be in a liquid state, driving of the driving screw extension 313 in main motor 8
Effect is lower to be squeezed liquid sizing material and makes liquid sizing material mobile towards 5 side of head is squeezed out, in the squeezing action of driving screw extension 313
Under, liquid sizing material is squeezed out via head 5 is squeezed out, and the sizing material squeezed out carries out pelletizing processing by pelletizing component 6.
The axis of the driving screw 31 has driven sprocket 21 in the periphery set card of the gear housing 2, and the main motor 8 moves
Power output shaft is installed with drive sprocket 81, and around driving chain 82 is equipped between drive sprocket 81 and driven sprocket 21, main motor 8 is driven
Dynamic driving screw 31 rotates and drives sub-screw 32 to rotate by gear housing 2；Driving screw 31 and 32 shape of sub-screw form an angle
α, angle α is between 11 °~25 °.
As preferred embodiment, the bottom anchor ear of the bipyramid cavity 3 has to be added to what electric boiling plate 35 was heated
Thermal.
As preferred embodiment, as shown in Figure 1 to Figure 3, pelletizing component 6 includes to be installed in 1 upper end of rack
Portion and the pelletizing cover 63 for being located at 41 front end side of heating cylinder, the inside of pelletizing cover 63 forms pelletizing chamber, described
The front end for squeezing out head 5 stretches in the pelletizing chamber of pelletizing cover 64, and the upper end of rack 1 is in the side of pelletizing cover 63
It is installed with pelletizing driving motor 64, is equipped at the power output shaft of pelletizing driving motor 64 and is flush-mounted in the indoor pelleter of pelletizing chamber
Head, pelletizing component 6 can freely be opened by being located at 1 upper hinge 61 of rack within the scope of 0 °~120 °.There is lock on pelletizing component 6
Tight device 62, when pelletizing 6 pelletizing of component, the locking device 62 that is locked in rack 1.
As preferred embodiment, the bipyramid cavity 3 and heating cylinder 41 can be equipped in lower section and release cylinder 7,
Cylinder 7 is released to be connected in rack 1；Bipyramid cavity 3 and heating cylinder 41 can be released forward by cylinder 7, make driving screw 31
And sub-screw 32 squeezes out chamber 4 and separates with bipyramid groove body 36, melten gel, facilitates carry out cleaning.
As preferred embodiment, the outside of structure can have barrel shield 43 at the heating cylinder 41, can be with
Structure at heating cylinder is protected.
Above-described embodiment is more excellent way of realization of the invention, to illustrate basic structure and basic thought of the invention,
It should not be construed as to absolute limitation of the invention, one of ordinary skill in the art, it is of the invention basic not departing from
Under the premise of structure and basic thought, to implementation of the invention take with above-described embodiment not absolutely identical treatment measures, also
It should be considered as in the scope of the present invention.
Claims (7)
1. the dedicated Y taper pelletizer of ceramic/metal powder, it is characterised in that: including organic frame (1), the upper end of rack (1) is filled
Equipped with the heating cylinder (41) in horizontal cross arrangement, the outer surface of heating cylinder (41) is sheathed with electric heater, heating cylinder
(41) inside molding squeezes out chamber (42) along the melten gel that the axis direction of heating cylinder (41) extends, heating cylinder (41)
Front end, which is installed with, squeezes out head (5), and the upper end of rack (1) connects bipyramid cavity (3) in heating cylinder (41) rear end；
Bipyramid cavity (3) includes bipyramid groove body (36) and the groove body support base for being installed in bipyramid groove body (36) lower end side
(34), the lower end of groove body support base (34) is spirally connected with rack (1), the inside of bipyramid groove body (36) have front and back completely through master
Screw rod (31) and sub-screw (32), the upper end of groove body support base (34) are screwed at the lower end of bipyramid groove body (36), bipyramid slot
Body (36) lower end is equipped with electric boiling plate (35), and the upper end material chamber opening of bipyramid groove body (36) is installed with material bin funnel-shaped
(33), the front end of bipyramid cavity (3) is screwed on heating cylinder (41), and the rear end of bipyramid cavity (3) is screwed on gear housing
(2)；
Driving screw (31) and sub-screw (32) α arrangement in a certain angle in the bipyramid groove body (36) of bipyramid cavity (3), and it is synchronous
Incorgruous rotation, the main external spiral (311) of driving screw (31) is engaged with the secondary bottom diameter (322) of sub-screw (32) reaches self-cleaning effect
Fruit, the secondary external spiral (321) of sub-screw (32) is engaged with the main bottom diameter (312) of driving screw (31) to be reached from net effect, driving screw
(31) and sub-screw (32) runs through gear housing (2), and bipyramid cavity (3) and gear housing (2) screw connection are equipped with mechanical seal plate
(37)；
The melten gel of heating cylinder (41) squeezes out in chamber (42) rotatably embedded with the axis along heating cylinder (41)
The driving screw extension (313) that direction extends, the upper end of rack (1) is installed with pelletizing group in the front end side of heating cylinder (41)
Part (6).
2. the dedicated Y taper pelletizer of ceramic/metal powder according to claim 1, it is characterised in that: the driving screw axis
(31) have driven sprocket (21) in the periphery set card of the gear housing (2), the power output shaft of the main motor (8) is installed with
Drive sprocket (81), around driving chain (82) are equipped between drive sprocket (81) and driven sprocket (21), gear housing (2) is driven
Driving screw (31) and sub-screw (32) rotate pan feeding, and driving screw (31) and sub-screw (32) axis form certain angle α.
3. the dedicated Y taper pelletizer of ceramic/metal powder according to claim 2, it is characterised in that: angle α 11 °~
Between 25 °.
4. the dedicated Y taper pelletizer of ceramic/metal powder according to claim 1, it is characterised in that: the bipyramid cavity
(3) bottom anchor ear has the heating device heated to electric boiling plate (35).
5. the dedicated Y taper pelletizer of ceramic/metal powder according to claim 1, it is characterised in that: the pelletizing component
(6) include the pelletizing cover (63) for being installed in the rack (1) upper end and being located at the heating cylinder (41) front end side, cut
The inside of grain cover (63) forms pelletizing chamber, and the front end for squeezing out head (5) stretches to cutting for pelletizing cover (63)
In grain chamber, the upper end of rack (1) is installed with pelletizing driving motor (64) in the side of pelletizing cover (63), pelletizing driving electricity
It is equipped at the power output shaft of machine (64) and is flush-mounted in the indoor pelletizing head of pelletizing chamber；Pelletizing component (6) is by being located at rack (1)
On hinge (61) can freely be opened within the scope of 0 °~120 °；There are locking device (62) on pelletizing component (6).
6. the dedicated Y taper pelletizer of ceramic/metal powder according to claim 1, it is characterised in that: the bipyramid cavity
(3) it can be equipped in lower section with heating cylinder (41) and release cylinder (7), released cylinder (7) and be connected on rack (1).
7. the dedicated Y taper pelletizer of ceramic/metal powder according to claim 1, it is characterised in that: heating cylinder (41)
There are barrel shield (43) on the outside of place's structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811232904.1A CN109228007A (en) | 2018-10-22 | 2018-10-22 | The dedicated Y taper pelletizer of ceramic/metal powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811232904.1A CN109228007A (en) | 2018-10-22 | 2018-10-22 | The dedicated Y taper pelletizer of ceramic/metal powder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109228007A true CN109228007A (en) | 2019-01-18 |
Family
ID=65081086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811232904.1A Pending CN109228007A (en) | 2018-10-22 | 2018-10-22 | The dedicated Y taper pelletizer of ceramic/metal powder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109228007A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111849522A (en) * | 2020-08-06 | 2020-10-30 | 青岛磊莎工业自动化设备有限公司 | A automatic tamping unit of coal cake for smelting |
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| CN2065976U (en) * | 1989-10-16 | 1990-11-21 | 林治楷 | Multi-functional plastics reclaimed prill machine |
| CN202264376U (en) * | 2011-09-26 | 2012-06-06 | 东莞市利拿实业有限公司 | Dual-cone feeding device for granulator |
| CN203331391U (en) * | 2013-06-26 | 2013-12-11 | 上虞市佳华高分子材料有限公司 | Conical double-screw rod feeder for organic silicon plastic particles |
| CN203844195U (en) * | 2014-04-17 | 2014-09-24 | 浙江嘉丞机械有限公司 | Three-screw-rod high-pressure extruding machine |
| CN204566451U (en) * | 2015-01-23 | 2015-08-19 | 昌乐县友谊塑胶有限公司 | A kind of comminutor with feed paddle device |
| CN209111288U (en) * | 2018-10-22 | 2019-07-16 | 东莞市昶丰机械科技有限公司 | The dedicated Y taper pelletizer of ceramic/metal powder |
-
2018
- 2018-10-22 CN CN201811232904.1A patent/CN109228007A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2065976U (en) * | 1989-10-16 | 1990-11-21 | 林治楷 | Multi-functional plastics reclaimed prill machine |
| CN202264376U (en) * | 2011-09-26 | 2012-06-06 | 东莞市利拿实业有限公司 | Dual-cone feeding device for granulator |
| CN203331391U (en) * | 2013-06-26 | 2013-12-11 | 上虞市佳华高分子材料有限公司 | Conical double-screw rod feeder for organic silicon plastic particles |
| CN203844195U (en) * | 2014-04-17 | 2014-09-24 | 浙江嘉丞机械有限公司 | Three-screw-rod high-pressure extruding machine |
| CN204566451U (en) * | 2015-01-23 | 2015-08-19 | 昌乐县友谊塑胶有限公司 | A kind of comminutor with feed paddle device |
| CN209111288U (en) * | 2018-10-22 | 2019-07-16 | 东莞市昶丰机械科技有限公司 | The dedicated Y taper pelletizer of ceramic/metal powder |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111849522A (en) * | 2020-08-06 | 2020-10-30 | 青岛磊莎工业自动化设备有限公司 | A automatic tamping unit of coal cake for smelting |
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