CN209504501U - A kind of stemming manufacturing device - Google Patents
A kind of stemming manufacturing device Download PDFInfo
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- CN209504501U CN209504501U CN201821983768.5U CN201821983768U CN209504501U CN 209504501 U CN209504501 U CN 209504501U CN 201821983768 U CN201821983768 U CN 201821983768U CN 209504501 U CN209504501 U CN 209504501U
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- extrusion cabin
- mixing bunker
- stemming
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Abstract
The utility model relates to a kind of stemming manufacturing devices, including bracket, horizontally disposed top plate and horizontally disposed support plate, the top plate is fixedly connected on the top of the bracket, the support plate is located at being fixedly connected vertically below and with the side of the bracket for the top plate, a mixing bunker is fixed on the top plate, the mixing bunker top is equipped with feed inlet, the mixing bunker is equipped with agitating device, extrusion cabin is fixed in the support plate, the extrusion cabin is located at the mixing bunker vertically below, it is connected between the mixing bunker and the extrusion cabin by a conveying channel, the side of the extrusion cabin is equipped with pressurizing unit, the extrusion cabin is fixed with more material-extruding tubes far from the side of the pressurizing unit, more described material-extruding tube one end are connected to the extrusion cabin.The production for capableing of efficient stable is stablized for blocking the stemming of blasthole, stemming quality, can effectively improve demolition effect.
Description
Technical field
The utility model relates to explosion auxiliary device fields, and in particular to a kind of stemming manufacturing device.
Background technique
For blasting engineering, need to be blocked the effect that blasthole guarantees explosion, currently used blocking big gun with stemming
The stemming in hole is after mixing soil, sand, a small amount of water and a small amount of adhesive, to be directly loaded into blasthole, for mixed big gun
The viscosity of mud is more demanding, and mixing is easy to appear in mixed process unevenly, and adhesive can not play bonding effect well
Fruit, and the viscosity of stemming is unstable, and when too dilute scattered, soil and sand are easy to fall down, after too consolidation, and can not fill out
It is charged in blasthole, is easy to appear gap, influence blasting quality, it is therefore desirable to which one kind can directly make the stable stemming of viscosity
Device.
Utility model content
In order to solve the above-mentioned technical problem the utility model provides a kind of stemming manufacturing device, be capable of the production of efficient stable
For blocking the stemming of blasthole, stemming quality is stablized, and can effectively improve demolition effect.
The technical solution that the utility model solves above-mentioned technical problem is as follows: a kind of stemming manufacturing device, including bracket, water
The top plate and horizontally disposed support plate, the top plate of flat setting are fixedly connected on the top of the bracket, the support plate position
In being fixedly connected vertically below and with the side of the bracket for the top plate, a mixing bunker, institute are fixed on the top plate
Mixing bunker top is stated equipped with feed inlet, the mixing bunker is equipped with agitating device, is fixed with extrusion cabin in the support plate, institute
It states extrusion cabin and is located at the mixing bunker vertically below, connected between the mixing bunker and the extrusion cabin by a conveying channel
Logical, the extrusion cabin side is fixed with more material-extruding tubes, and more described material-extruding tube one end are connected to the extrusion cabin, described to squeeze
Storehouse is pressed to be equipped with the extruding dress for squeezing out the material in the extrusion cabin from the material-extruding tube far from the side of the material-extruding tube
It sets.
The beneficial effects of the utility model are: finished product stemming directly can efficiently be produced by the utility model, it can
It is directly used in blocking blasthole, does not need manually to be filled into blasthole after being stirred mixing, improves production efficiency, Er Qiesheng
The stemming quality of production is stablized, and improves the effect of explosion, in addition the present apparatus is able to produce the stemming of sizes specification, applicability
Extensively.
Based on the above technical solution, the utility model can also do following improvement.
Further, the spiral that the agitating device includes multiple servo motor Bs and Duo Gen is arranged in the mixing bunker is stirred
Bar is mixed, the servo motor B is fixedly connected on the top of the mixing bunker, and the output end of the servo motor B is stretched straight down
Enter in the mixing bunker and is sequentially connected with the auger bar.
Beneficial effect using above-mentioned further scheme is: by auger bar enable to material in mixing bunker on
Lower movement, so that material is uniformly mixed.
Further, it is additionally provided with one in the mixing bunker and horizontally disposed the mixing bunker is separated into bilevel separation
Plate, the demarcation plate are located at auger bar bottom end vertically below, and the side of the demarcation plate is equipped with one up and down
Conveying mouth, the lower section of the demarcation plate is equipped with one horizontally disposed for conveying the auger of material, and the bottom end of the top plate is solid
Surely it is equipped with a servo motor A, the output end level of the servo motor A is penetrated into the mixing bunker and is driven with the auger
Connection, the auger are located at the vertical top in the conveying channel, and the conveying channel is located at the demarcation plate far from described defeated
The side of material mouth is vertically below.
Beneficial effect using above-mentioned further scheme is: being further stirred by auger, so that material
It mixes more uniform.
Further, the pressurizing unit includes hydraulic cylinder A, horizontally disposed hydraulic telescopic rod A and the extruding being vertically arranged
Plate, the hydraulic cylinder A are fixedly connected in the support plate, and one end of the hydraulic telescopic rod A is connect with the hydraulic cylinder A,
The other end of the hydraulic telescopic rod A is penetrated into the extrusion cabin and is fixedly connected with a side of the stripper plate.
Beneficial effect using above-mentioned further scheme is: being pressurized or depressurizes by hydraulic cylinder A to control hydraulic telescopic rod A
It moves back and forth, realization carries out extruding extrusion to material.
Further, the material-extruding tube far from one end of the extrusion cabin be equipped with one be vertically arranged for cutting off cutting for stemming
Knife, the top of the cutter are fixedly connected with the bottom end for the hydraulic telescopic rod B that one is vertically arranged, the top of the hydraulic telescopic rod B
The output end of a hydraulic cylinder B is connected, the hydraulic cylinder B is fixedly connected with the bottom surface of the top plate.
Beneficial effect using above-mentioned further scheme is: cut by corresponding slot length to the stemming material of extrusion
It is disconnected.
Further, described in the more material-extruding tubes connect and are equipped on one end in the extrusion cabin and are used to open or close
One end sliding of the lattice block of material-extruding tube being vertically arranged, the lattice block is pierced by the extrusion cabin and is fixedly connected with a handle,
The side that the more material-extruding tubes connect one end in the extrusion cabin is equipped with the slot holder being oppositely arranged, in the slot holder
Equipped with the slot being vertically arranged, the lattice block is slidably inserted into the slot.
Beneficial effect using above-mentioned further scheme is: when only needing the stemming of one of or two kinds of sizes, only
Need to by lattice block in slot slide downward, corresponding material-extruding tube is blocked into closing.
Further, there are also a discharging slideway outside the one end of the material-extruding tube far from the extrusion cabin, the discharging slideway is set
There is the top of import to pass through the support plate and be located at the material-extruding tube vertically below, the discharging slideway is equipped with the bottom end of outlet
Positioned at the lower section of the support plate, the discharging slideway is fixedly connected with the support plate.
Beneficial effect using above-mentioned further scheme is: by discharging, slideway uniformly collects the stemming produced, convenient
It compiles.
Detailed description of the invention
Fig. 1 is the utility model front view；
Fig. 2 is the utility model right view；
Fig. 3 is the utility model section view；
Fig. 4 is the utility model lattice block stereoscopic schematic diagram.
In attached drawing, parts list represented by the reference numerals are as follows:
1, bracket, 2, support plate, 3, top plate, 4, switch enclosure, 5, servo motor A, 6, hydraulic cylinder A, 7, mixing bunker, 8, hydraulic
Telescopic rod A, 9, extrusion cabin, 10, servo motor B, 11, feed inlet, 12, conveying channel, 13, hydraulic cylinder B, 14, hydraulic telescopic rod
B, 15, cutter, 16, lattice block, 17, material-extruding tube, 19, discharge slideway, 20, auger bar, 21, demarcation plate, 22, conveying mouth,
23, auger, 25, stripper plate, 26, slot holder, 27, handle, 28, slot.
Specific embodiment
The principles of the present invention and feature are described below in conjunction with attached drawing, example is served only for explaining that this is practical
It is novel, it is not intended to limit the scope of the utility model.
Embodiment
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, a kind of stemming manufacturing device, including bracket 1, horizontally disposed top plate 3 and water
The support plate 2 of flat setting, bracket 1 are made of four 304 steel columns, form cuboid, and top plate 3 is fixedly connected on the top of bracket 1,
Top plate 3 covers on bracket 1, and top plate 3 and support plate 2 are that 304 steel are made, support plate 2 be located at top plate 3 vertically below and with branch
The side of frame 1 is fixedly connected, and is spaced apart between support plate 2 and top plate 3, and a mixing bunker 7 is fixed on top plate 3, and mixing bunker 7 is
Rectangle is made of stainless steel, and the bottom end of mixing bunker 7 is placed in top plate 3 and support plate 2 across top plate 3,7 fixing card of mixing bunker
On top plate 3,7 top of mixing bunker is equipped with feed inlet 11, is connected to inside feed inlet 11 and mixing bunker 7, from 11 additive of feed inlet
Material, mixing bunker 7 are equipped with agitating device, and agitating device includes that two servo motor Bs 10 and two are vertically arranged in mixing bunker 7
Auger bar 20, servo motor B 10 is fixedly connected on the top of mixing bunker 7, and the output end of servo motor B 10 is straight down
It protrudes into mixing bunker 7 and is sequentially connected with auger bar 20, drive auger bar 20 to be rotated by servo motor B 10,
Mixing is stirred to the material in mixing bunker 7, while two servo motor Bs 10 can carry out same direction rotation simultaneously,
It is able to carry out opposite direction rotation, when carrying out opposite direction rotation, auger bar 20 rotates the material so that in mixing bunker 7
Realization moves up and down back and forth, mixes more uniform；
Be additionally provided in mixing bunker 7 one it is horizontally disposed mixing bunker 7 is separated into bilevel demarcation plate 21, demarcation plate 21 is same
Sample is made of stainless steel material, and the upper space in additional mixing storehouse 7 is greater than lower layer space, and demarcation plate 21 is located at auger bar 20
Vertically below, the side of demarcation plate 21 is equipped with a conveying mouth 22 up and down for bottom end, upper layer carry out mixed material from
Conveying mouth 22 enters lower layer space, and the lower section of demarcation plate 21 is equipped with a horizontally disposed auger 23 for being used to convey material, defeated
Material mouth 22 is located at the vertical top of 23 one end of auger, and the bottom end of top plate 3 is fixed with a servo motor A5, and servo motor A5's is defeated
Outlet level is penetrated into mixing bunker 7 and is sequentially connected with auger 23, drives auger 23 to go to by servo motor A5, auger 23
Positioned at the vertical top in conveying channel 12, conveying Channel 12-Bit in side of the demarcation plate 21 far from conveying mouth 22 vertically below,
7 upper space of mixing bunker carries out mixed material and enters lower layer space from conveying mouth 22, is carried out by auger 23 secondary mixed
Merging is transported at conveying channel 12, and after the secondary mixing of auger 23, material mixing is more uniform, and dispersibility is more preferable, benefit
It is bonded in squeezing；
Extrusion cabin 9 is fixed in support plate 2, extrusion cabin 9 is for squeezing mixed material, and extrusion cabin 9
Vertically below in mixing bunker 7, it is connected to, is mixed in mixing bunker 7 equal by a conveying channel 12 between mixing bunker 7 and extrusion cabin 9
Even material enters in extrusion cabin 9 from conveying channel 12, and the side of extrusion cabin 9 is fixed with 3 material-extruding tubes, 17,3 material extrusions
17 one end of pipe is connected to extrusion cabin 9, extrusion cabin 9 far from material-extruding tube 17 side be equipped with for by the material in extrusion cabin 9 from squeeze
The pressurizing unit that expects pipe 17 squeezes out, by pressurizing unit by the material in extrusion cabin 9 to extruding at material-extruding tube 17, material is through squeezing
Afterwards, mobile to material-extruding tube 17, it is squeezed out from material-extruding tube 17, under the action of pressure and adhesive, the material of extrusion is at consolidation
It is cylindric, for blocking blasthole, in addition the specification of material-extruding tube 17 is not identical, and diameter is respectively 160mm-80mm, be suitable for not
With the blasthole of size；The size for being additionally provided with the extrusion cabin 9 of 17 one end of material-extruding tube is gradually reduced, so that the material in extrusion cabin 9
The pressure being subject to increases, and improves the degree of packing for the stemming produced；
Pressurizing unit includes hydraulic cylinder A6, horizontally disposed hydraulic telescopic rod A8 and the stripper plate 25 being vertically arranged, hydraulic
Cylinder A6 is fixedly connected in support plate 2, and one end of hydraulic telescopic rod A8 is connect with hydraulic cylinder A6, is controlled by hydraulic cylinder A6 hydraulic
The hydraulic pressure conditions of telescopic rod A8, so that the carry out reciprocation cycle of hydraulic telescopic rod A8 elongates or shortens, hydraulic telescopic rod A8's
The other end is penetrated into extrusion cabin 9 and is fixedly connected with a side of stripper plate 25, and hydraulic telescopic rod A8 can be in extrusion cabin 9 one
Side is slided, and by the back-and-forth motion for elongating or shortening drive stripper plate 25 of hydraulic telescopic rod A8, is squeezed material,
Material is expressed to close to 17 one end of material-extruding tube by stripper plate 25, is squeezed out from material-extruding tube 17；
Material-extruding tube 17 is equipped with a cutter 15 for being used to cut off stemming being vertically arranged, cutter 15 far from one end of extrusion cabin 9
Knife face abutted with the nozzle of material-extruding tube 17, the material squeezed out in material-extruding tube 17 is cut by the up and down motion of cutter 15
Disconnected, the top of cutter 15 is fixedly connected with the bottom end for the hydraulic telescopic rod B14 that one is vertically arranged, and the top of hydraulic telescopic rod B14 connects
The output end for meeting a hydraulic cylinder B13 controls hydraulic in hydraulic telescopic rod B14 by hydraulic cylinder B13, so that hydraulic stretch
Contracting bar B14 carries out elongating or shortening for reciprocation cycle, by elongating or shortening for hydraulic telescopic rod B14, drives about 15 cutter
Material is cut off in movement, realization, and the bottom edge of cutter 15 is right angled triangle, and the nozzle of right-angle side and material-extruding tube 17 supports
It connects, the effect of cutting is more preferable, and hydraulic cylinder B13 is fixedly connected with the bottom surface of top plate 3；
3 material-extruding tubes 17, which connect to be equipped on one end in extrusion cabin 9, is used to open or closes setting vertically for material-extruding tube 17
One end sliding of the lattice block 16 set, lattice block 16 is pierced by extrusion cabin 9 and is fixedly connected with a handle 27, by lattice block 16 to downslide
When dynamic, lattice block 16 blocks material-extruding tube 17, so that material-extruding tube 17 is closed, material can not squeeze out from material-extruding tube 17, lattice are kept off
When 16 upward sliding of piece, 17 nozzle of material-extruding tube is opened, and the side that 3 material-extruding tubes 17 connect one end in extrusion cabin 9 is equipped with phase
To the slot holder 26 of setting, slot holder 26 is fixedly connected with the inner wall of extrusion cabin 9, positioned at the two sides of corresponding material-extruding tube 17, slot
The slot 28 being vertically arranged is equipped in seat 26, lattice block 16 is slidably inserted into slot 28, and lattice block 16 can be slided in slot 28
Dynamic, for fixing lattice block 16, shaking when lattice block 16 being avoided to move up and down, sealing effect is good, and setting lattice block 16 is main
It is used to keep off when only needing a kind of stemming of the size of production list one, other material-extruding tubes 17 can be closed by lattice block 16, be avoided
The wasting of resources；
There are also a discharging slideway 19 outside the one end of material-extruding tube 17 far from extrusion cabin 9, the stemming material of extrusion is cut off by cutter 15
After fall to discharging slideway 19 in, discharging slideway 19 be equipped with import top pass through support plate 2 be located at material-extruding tube 17 it is vertical under
Side, the bottom end that discharging slideway 19 is equipped with outlet are located at the lower section of support plate 2, and discharging slideway 19 is fixedly connected with support plate 2, stemming
By discharging, slideway 19 slides into bottom of device, is compiled stemming by collection device, and discharging slideway 19 is inclined
Table top slides conducive to the stemming of extrusion with gravity naturally；
It is additionally provided with the switch enclosure 4 for control device starting on the side of bracket 1, is equipped with power switch in switch enclosure 4, opens
Pass is electrically connected with external power supply, and switch is electrically connected with servo motor A5, servo motor B 10, hydraulic cylinder A6 and hydraulic cylinder B13 respectively
It connects, under the action of alternating current, hydraulic in hydraulic cylinder A6 and hydraulic cylinder B13 is pressurized and is depressurized, and realizes hydraulically extensible
The reciprocating extension of bar A8 and hydraulic telescopic rod B14 shortens movement, turns on the switch when needing to produce, whole device starting fortune
Row；
In use, soil, sand, water and adhesive are continued through feed inlet 11 and are added to by switch-starter
It, will be in 7 upper space of mixing bunker as servo motor B 10 drives auger bar 20 to be rotated in 7 upper space of mixing bunker
Material be stirred mixing, the driving direction of two servo motor Bs 10 is on the contrary, the material in 7 upper space of mixing bunker carries out
It moving back and forth up and down, mixing is more uniform, and mixed Flow of Goods and Materials enters 7 lower layer space of mixing bunker to conveying mouth 22, with
The rotation of auger 23 is further mixed and delivered at conveying channel 12, and material is fallen from conveying channel 12 under the effect of gravity
Into extrusion cabin 9, as hydraulic cylinder A6 control hydraulic telescopic rod A8 moves back and forth, the material in extrusion cabin 9 is expressed to
17 one end of material-extruding tube, material are persistently extruded in extrusion cabin 9, are then squeezed out from material-extruding tube 17, and the cylinder of consolidation is formed
Then stemming is pumped by hydraulic cylinder B13 control hydraulic telescopic rod B14 and cutter 15 is driven to move up and down, will squeezed out
The cutting of stemming material, material after cutting skids off from discharging slideway 19, is collected, when only need to produce it is one of or
When the stemming of two kinds of sizes, by lattice block 16 in slot 28 slide downward, be not required to material-extruding tube 17 to be used by corresponding and close,
So that this root material-extruding tube 17 does not generate stemming.
The above is only the preferred embodiments of the utility model, are not intended to limit the utility model, all in the utility model
Spirit and principle within, any modification, equivalent replacement, improvement and so on should be included in the protection model of the utility model
Within enclosing.
Claims (7)
1. a kind of stemming manufacturing device, which is characterized in that including bracket (1), horizontally disposed top plate (3) and horizontally disposed branch
Fagging (2), the top plate (3) are fixedly connected on the top of the bracket (1), and the support plate (2) is located at the top plate (3)
It is fixedly connected, is fixed with a mixing bunker (7) on the top plate (3) vertically below and with the side of the bracket (1), it is described mixed
It closes storehouse (7) top and is equipped with feed inlet (11), the mixing bunker (7) is equipped with agitating device, is fixed on the support plate (2)
Extrusion cabin (9), the extrusion cabin (9) are located at the mixing bunker (7) vertically below, the mixing bunker (7) and the extrusion cabin
(9) it being connected between by a conveying channel (12), the side of the extrusion cabin (9) is fixed with more material-extruding tubes (17), and more
Described material-extruding tube (17) one end is connected to the extrusion cabin (9), and the extrusion cabin (9) sets far from the side of the material-extruding tube (17)
There is the pressurizing unit for squeezing out the material in the extrusion cabin (9) from the material-extruding tube (17).
2. a kind of stemming manufacturing device according to claim 1, which is characterized in that the agitating device includes multiple servos
Motor B (10) and the more auger bars (20) being arranged in the mixing bunker (7), the servo motor B (10) is fixed to be connected
The top in the mixing bunker (7) is connect, the output end of the servo motor B (10) is protruded into straight down in the mixing bunker (7)
It is sequentially connected with the auger bar (20).
3. a kind of stemming manufacturing device according to claim 2, which is characterized in that be additionally provided with one in the mixing bunker (7)
Horizontally disposed to separate the mixing bunker (7) bilevel demarcation plate (21), the demarcation plate (21) is located at the spiral
Vertically below, the side of the demarcation plate (21) is equipped with a conveying mouth (22) up and down, described for stirring rod (20) bottom end
The lower section of demarcation plate (21) is equipped with a horizontally disposed auger (23) for being used to convey material, and the bottom end of the top plate (3) is fixed
Equipped with a servo motor A (5), the output end level of the servo motor A (5) penetrate into the mixing bunker (7) and with it is described
Auger (23) transmission connection, the auger (23) are located at the vertical top of the conveying channel (12), the conveying channel (12)
Side positioned at the demarcation plate (21) far from the conveying mouth (22) is vertically below.
4. a kind of stemming manufacturing device according to claim 1, which is characterized in that the pressurizing unit includes hydraulic cylinder A
(6), horizontally disposed hydraulic telescopic rod A (8) and the stripper plate (25) being vertically arranged, the hydraulic cylinder A (6) are fixedly connected on institute
It states on support plate (2), one end of the hydraulic telescopic rod A (8) is connect with the hydraulic cylinder A (6), the hydraulic telescopic rod A (8)
The other end penetrate into the extrusion cabin (9) and be fixedly connected with a side of the stripper plate (25).
5. a kind of stemming manufacturing device according to claim 1, which is characterized in that the material-extruding tube (17) is squeezed far from described
One end of pressure storehouse (9) is equipped with a cutter (15) for being used to cut off stemming being vertically arranged, and the top of the cutter (15) is fixed to be connected
The bottom end for the hydraulic telescopic rod B (14) that one is vertically arranged is connect, the top of the hydraulic telescopic rod B (14) connects a hydraulic cylinder B
(13) output end, the hydraulic cylinder B (13) are fixedly connected with the bottom surface of the top plate (3).
6. a kind of stemming manufacturing device according to claim 1, which is characterized in that the more material-extruding tubes (17) connect institute
State the lattice block being vertically arranged for being equipped on one end in extrusion cabin (9) and being used to open or close the material-extruding tube (17)
(16), one end sliding of the lattice block (16) is pierced by the extrusion cabin (9) and is fixedly connected a handle (27), and more described crowded
The side that expects pipe (17) connects one end in the extrusion cabin (9) is equipped with the slot holder (26) being oppositely arranged, the slot holder
(26) slot (28) being vertically arranged is equipped in, the lattice block (16) is slidably inserted into the slot (28).
7. a kind of stemming manufacturing device according to claim 1-6, which is characterized in that the material-extruding tube (17) is remote
There are also discharging slideway (19) outside one end from the extrusion cabin (9), the top that discharging slideway (19) is equipped with import is passed through
The support plate (2) is located at the material-extruding tube (17) vertically below, and the bottom end that discharging slideway (19) is equipped with outlet is located at
The lower section of the support plate (2), the discharging slideway (19) are fixedly connected with the support plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821983768.5U CN209504501U (en) | 2018-11-28 | 2018-11-28 | A kind of stemming manufacturing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821983768.5U CN209504501U (en) | 2018-11-28 | 2018-11-28 | A kind of stemming manufacturing device |
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| Publication Number | Publication Date |
|---|---|
| CN209504501U true CN209504501U (en) | 2019-10-18 |
Family
ID=68190544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821983768.5U Active CN209504501U (en) | 2018-11-28 | 2018-11-28 | A kind of stemming manufacturing device |
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| Country | Link |
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| CN (1) | CN209504501U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113354393A (en) * | 2021-07-13 | 2021-09-07 | 江苏迪丞光电材料有限公司 | Preparation method for preparing IGZO (indium gallium zinc oxide) rotary target material by gel casting |
| CN115200440A (en) * | 2022-07-06 | 2022-10-18 | 北京中大昂晟科技发展有限公司 | Blasting hole mechanical filling construction equipment using quick setting stemming |
-
2018
- 2018-11-28 CN CN201821983768.5U patent/CN209504501U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113354393A (en) * | 2021-07-13 | 2021-09-07 | 江苏迪丞光电材料有限公司 | Preparation method for preparing IGZO (indium gallium zinc oxide) rotary target material by gel casting |
| CN115200440A (en) * | 2022-07-06 | 2022-10-18 | 北京中大昂晟科技发展有限公司 | Blasting hole mechanical filling construction equipment using quick setting stemming |
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