CN206153545U - Carbon fiber heating temperature controller with filtering capability - Google Patents
Carbon fiber heating temperature controller with filtering capability Download PDFInfo
- Publication number
- CN206153545U CN206153545U CN201620950614.0U CN201620950614U CN206153545U CN 206153545 U CN206153545 U CN 206153545U CN 201620950614 U CN201620950614 U CN 201620950614U CN 206153545 U CN206153545 U CN 206153545U
- Authority
- CN
- China
- Prior art keywords
- casing
- pipe
- inner chamber
- fuel tank
- fixedly connected
- 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.)
- Active
Links
Abstract
The utility model discloses a long -service -life carbon fiber heating temperature controller, including the box, body cavity's bottom fixedly connected with water pump, body cavity's bottom just is located the right side fixedly connected with heater of water pump, the bottom fixedly connected with cooler bin on body cavity right side, the left top fixedly connected with controller of box, the water inlet intercommunication of water pump has first inlet tube, the pump intake was kept away from to first inlet tube one end runs through the top on box right side and extends to the outside of box. The heating of controller control heater is given with information transmission when having water in detecting body detects the detection case to this long service life's carbon fiber heating temperature controller, because the detection case is located the top of heater, the water that the water level reachd in the detection case rear heater is filled up, therefore the heater is in the state of dry combustion method never, has increased the life of heater.
Description
Technical field
The utility model is related to temperature controlling instruments technical field, specially a kind of carbon fiber heating temperature with filtering function
Control machine.
Background technology
Mould temperature controller in Die Casting Industry with there is very big space, particularly in magnesium alloy, the system of aluminium alloy
In making, unequal or unsuitable mold temperature can cause casting dimension unstable, and casting deformation is ejected in process of production, produce
The defect such as heat pressure, glutinous mould, surface indentation, internal shrinkage and thermal, also produces impact on the production cycle, such as filling time, cold
But time and spray time all produce unstable parameter, and the life-span of mould also can be because being caused to hold high by the overheated impact of supercooling
Expensive steel produce hot tearing, accelerate its aging, and oily formula mould temperature controller belongs to one kind of temperature controller, by heater
Oil supply is heated, and deep fat is heated through mould to mould, because deep fat is constantly circulated in the duct, some moisture is occurred in pipeline
Mix with deep fat, plus oil the inside per se with some impurity cause the boiling point of oil to be varied from, therefore have impact on temperature control
Machine processed have impact on the quality of production of mould to temperature controlled accuracy.
Utility model content
The purpose of this utility model is to provide a kind of carbon fiber heating temperature controller with filtering function, to solve
The problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:A kind of carbon fiber with filtering function adds
Hot temperature controller, including casing, the top on the left of the cabinets cavity is fixedly connected with fuel tank, the cabinets cavity bottom
Left side is fixedly connected with oil pump, and auxiliary fuel tank is fixedly connected with the right side of the cabinets cavity bottom, and the auxiliary fuel tank includes odd-side
Body, the top on the right side of the auxiliary box body is fixedly connected with nut, and the inner chamber of the auxiliary box body is provided through threaded rod, the spiral shell
The right-hand member of rasp bar sequentially passes through from left to right auxiliary box body and nut and extends to the right side of nut, and the left end of the threaded rod is fixed
Heating tube is connected with, the inner chamber of the auxiliary box body is provided through condenser pipe, and the water inlet pipe and outlet pipe of the condenser pipe are passed through
Wear the right side of auxiliary box body and extend to the inner chamber of casing, the water inlet pipe of the condenser pipe and be communicated with positioned at one end of cabinets cavity
First cooling tube, the outlet pipe of the condenser pipe and is communicated with the second cooling tube positioned at one end of cabinets cavity, and described first is cold
But pipe away from condenser pipe water inlet pipe one end is through the right side of casing and extends to the outside of casing, second cooling tube away from
One end of condenser pipe outlet pipe runs through the right side of casing and extends to the outside of casing, on first cooling tube and positioned at casing
Outside one end is provided with the first magnetic valve, and the one end on second cooling tube and outside casing is provided with the second electromagnetism
Valve, is fixedly connected with filter on the right side of the cabinets cavity, the filter includes housing, and the inner chamber of the housing sets
Be equipped with filtration transverse slat, the left end of the filtration transverse slat is fixedly connected with the left of housing cavity, it is described filter transverse slat right-hand member with
Be fixedly connected on the right side of housing cavity, the inner chamber of the housing and positioned at filter transverse slat at the top of be provided with filtration riser, it is described
The top for filtering riser is fixedly connected with the center at the top of housing cavity, at the top of the bottom for filtering riser and filtration transverse slat
Center Gu Ding connection, drainpipe is communicated with the right side of the housing bottom, the drainpipe runs through away from one end of housing
The right side of casing simultaneously extends to the outside of casing, and the top on the left of the casing is fixedly connected with controller, the top of oil-tank
Right side offer oil filler, the top on the right side of the fuel tank is communicated with blast pipe, and the blast pipe is passed through away from one end of fuel tank
Wear the right side of casing and extend to the outside of casing, the one end on the blast pipe and outside casing sets successively from left to right
Pressure sensor and the 3rd magnetic valve are equipped with, the bottom of the fuel tank is communicated with the first pipeline, and first pipeline is away from fuel tank
One end connect with the water inlet of oil pump, the delivery port of the oil pump is communicated with second pipe, and the second pipe is away from oil pump
One end of delivery port connects with the right side at the top of auxiliary fuel tank, and the bottom on the right side of the auxiliary fuel tank is communicated with the 3rd pipeline, and described
Three pipelines run through the right side of casing and extend to the outside of casing away from one end of auxiliary fuel tank, on the 3rd pipeline and positioned at case
One end of external body is disposed with from left to right temperature sensor and the first ball valve, and the right-hand member of the 3rd pipeline is communicated with mould
Tool, the top on the left of the mould is communicated with the 4th pipeline, and the 4th pipeline runs through the right side of casing away from one end of mould
And the inner chamber of casing is extended to, and it is provided with the second ball valve on the 4th pipeline and between mould and casing, the described 4th
Pipeline and connect with the right side of case top positioned at one end of cabinets cavity, on the left of the case top oil return pipe be communicated with,
The oil return pipe is connected away from one end of housing with the bottom on the right side of fuel tank, the controller respectively with oil pump, heating tube, pressure
Sensor, the first magnetic valve, the second magnetic valve, the 3rd magnetic valve and temperature sensor are electrically connected with.
Preferably, the threaded rod is connected with nut thread.
Preferably, the outside of the controller is provided with diaphragm.
Preferably, the both sides of the bottom half are connected with roller by support.
Preferably, it is provided with check-valves on the second pipe.
Compared with prior art, the beneficial effects of the utility model are:There should be the carbon fiber heating temperature of filtering function
Control machine, by the inner chamber of auxiliary fuel tank heating tube and condenser pipe are provided with, and are heated and are greatly reduced with the design of condensation one
In the past heater and cooling device separately designed occupied space, therefore reduced the volume of casing, saved production material
Material, is that producer increased economic benefit, and the inner chamber of casing is provided with filter, and the setting for filtering riser is hindered water
Every, oil can pass through, and the setting for filtering transverse slat is intercepted to oil, and water energy can lead to, therefore can filter out the moisture in oil,
The purity for making oil is uprised, and makes control of the temperature controller to temperature more accurate, it is ensured that the quality of production of mould.
Description of the drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the internal structure schematic diagram of the utility model auxiliary fuel tank;
Fig. 3 is the structural representation of the utility model filter.
In figure:It is 1 casing, 2 fuel tanks, 3 oil pumps, 4 auxiliary fuel tanks, 41 auxiliary box bodies, 42 nuts, 43 threaded rods, 44 heating tubes, 45 cold
Solidifying pipe, 46 first cooling tubes, 47 second cooling tubes, 5 first magnetic valves, 6 second magnetic valves, 7 filters, 71 housings, 72 mistakes
Riser, 74 drainpipes, 8 oil fillers, 9 blast pipes, 10 pressure sensors, 11 the 3rd magnetic valves, 12 first pipes are filtered in filter transverse slat, 73
Road, 13 second pipes, 14 the 3rd pipelines, 15 temperature sensors, 16 first ball valves, 17 moulds, 18 the 4th pipelines, 19 second balls
Valve, 20 oil return pipes, 21 controllers, 22 rollers, 23 check-valves.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of the utility model protection.
Fig. 1-3 are referred to, the utility model provides a kind of technical scheme:A kind of carbon fiber heating temperature with filtering function
Degree control machine, including casing 1, the top on the left of the inner chamber of casing 1 is fixedly connected with fuel tank 2, and the both sides of the bottom of casing 1 are by propping up
Frame is connected with roller 22, and the convenient movement to casing 1 of setting of roller 22 is fixedly connected on the left of the intracavity bottom of casing 1
There is oil pump 3, auxiliary fuel tank 4 is fixedly connected with the right side of the intracavity bottom of casing 1, auxiliary fuel tank 4 includes auxiliary box body 41, the right side of auxiliary box body 41
Top be fixedly connected with nut 42, the inner chamber of auxiliary box body 41 is provided through threaded rod 43, the right-hand member of threaded rod 43 from a left side to
The right side sequentially passes through auxiliary box body 41 and nut 42 and extends to the right side of nut 42, and threaded rod 43 is threadedly coupled with nut 42, screw thread
The left end of bar 43 is fixedly connected with heating tube 44, and the inner chamber of auxiliary box body 41 is provided through condenser pipe 45, the water inlet of condenser pipe 45
Pipe and outlet pipe are through the right side of auxiliary box body 41 and extend to the inner chamber of casing 1, the water inlet pipe of condenser pipe 45 and positioned at casing 1
One end of inner chamber is communicated with the first cooling tube 46, the outlet pipe of condenser pipe 45 and is communicated with second positioned at one end of the inner chamber of casing 1
Cooling tube 47, the first cooling tube 46 runs through the right side of casing 1 and extends to the outer of casing 1 away from one end of the water inlet pipe of condenser pipe 45
Portion, the second cooling tube 47 runs through the right side of casing 1 and extends to the outside of casing 1 away from one end of the outlet pipe of condenser pipe 45, the
One end on one cooling tube 46 and outside casing 1 is provided with the first magnetic valve 5, on the second cooling tube 47 and positioned at casing 1
Outside one end is provided with the second magnetic valve 6, and the inner chamber of auxiliary fuel tank 4 is provided with heating tube 44 and condenser pipe 45, heating with
The design of condensation one is greatly reduced conventional heater and cooling device separately designs occupied space, therefore reduces
The volume of casing 1, saves production material, is producer increased economic benefit, is fixedly connected with the right side of the inner chamber of casing 1
Filter device 7, filter 7 includes housing 71, and the inner chamber of housing 71 is provided with filtration transverse slat 72, filters the left end and shell of transverse slat 72
Be fixedly connected on the left of the inner chamber of body 71, filter transverse slat 72 right-hand member be fixedly connected with the right side of the inner chamber of housing 71, housing 71 it is interior
Chamber and the top for filtering transverse slat 72 is provided with filtration riser 73, in filtering top and the inner cavity top of housing 71 of riser 73
It is fixedly connected at the heart, the bottom for filtering riser 73 is connected with the center Gu Ding for filtering the top of transverse slat 72, the right side of the bottom of housing 71
Side is communicated with drainpipe 74, and drainpipe 74 runs through the right side of casing 1 and extends to the outside of casing 1 away from one end of housing 71,
The top in the left side of casing 1 is fixedly connected with controller 21, and the outside of controller 21 is provided with diaphragm, the right side at the top of fuel tank 2
Oil filler 8 is offered, the top on the right side of fuel tank 2 is communicated with blast pipe 9, and blast pipe 9 runs through casing 1 away from one end of fuel tank 2
Right side simultaneously extends to the outside of casing 1, and the one end on blast pipe 9 and outside casing 1 is disposed with from left to right pressure
The magnetic valve 11 of sensor 10 and the 3rd, the bottom of fuel tank 2 is communicated with the first pipeline 12, the one end of the first pipeline 12 away from fuel tank 2
Connect with the water inlet of oil pump 3, the delivery port of oil pump 3 is communicated with second pipe 13, and second pipe 13 is away from the delivery port of oil pump 3
One end connects with the right side at the top of auxiliary fuel tank 4, and check-valves 23 is provided with second pipe 13, and the setting of check-valves 23 is used for protecting
Oil pump 3, the bottom on the right side of auxiliary fuel tank 4 is communicated with the 3rd pipeline 14, and the 3rd pipeline 14 runs through casing 1 away from one end of auxiliary fuel tank 4
Right side and extend to the outside of casing 1, the one end on the 3rd pipeline 14 and outside casing 1 is disposed with from left to right
The ball valve 16 of temperature sensor 15 and first, the right-hand member of the 3rd pipeline 14 is communicated with mould 17, and the top in the left side of mould 17 is communicated with
4th pipeline 18, the 4th pipeline 18 runs through the right side of casing 1 and extends to the inner chamber of casing 1 away from one end of mould 17, and the 4th
It is provided with the second ball valve 19 on pipeline 18 and between mould 17 and casing 1, the 4th pipeline 18 and positioned at the one of the inner chamber of casing 1
Hold and connected with the right side at the top of housing 71, the left side at the top of housing 71 is communicated with oil return pipe 20, and oil return pipe 20 is away from housing 71
One end connects with the bottom on the right side of fuel tank 2, and the inner chamber of casing 1 is provided with filter 7, filters the setting of riser 73 to water
Intercepted, oil can pass through, the setting for filtering transverse slat 72 is intercepted to oil, and water energy can lead to, therefore can filter out oil
In moisture, make oil purity uprise, make control of the temperature controller to temperature more accurate, it is ensured that the production matter of mould 17
Amount, controller 21 respectively with oil pump 3, heating tube 44, pressure sensor 10, the first magnetic valve 5, the second magnetic valve 6, the 3rd electromagnetism
Valve 11 and temperature sensor 15 are electrically connected with.
Operation principle:The control oil pump 3 of controller 21 runs when using, and the operation of oil pump 3 makes oil enter by second pipe 13
The inner chamber of auxiliary fuel tank 4, control 44 pairs of oil of heating tube of controller 21 are heated, and the oil after heating flows progressive die by the 3rd pipeline 14
Tool 17 is heated to mould 17, and oil comes the inner chamber of housing 71 through mould 17 by the 4th pipeline 18, and water is by filtering transverse slat
72 bottoms for being filtered to the inner chamber of housing 71 are discharged by drainpipe 74, and oil flows oil-feed tank by filtering riser 73 from oil return pipe 20
2 carry out reciprocation cycle, and temperature sensor 15 measures at any time the temperature of oil, when needing to lower the temperature mould 17, controller 21
Control the first magnetic valve 5 and the second magnetic valve 6 is opened, cold water enters condenser pipe 45 by the stream of the first cooling tube 46, from the second cooling
Pipe 47 flows out oil supply is lowered the temperature, and so as to lower the temperature to mould 17, the pressure of the detection pipeline of pressure sensor 10 is to certain value
When, information is passed to controller 21, the 3rd magnetic valve 11 of control of controller 21 is opened and fuel tank 2 is deflated.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out various changes in the case of without departing from principle of the present utility model and spirit, repaiies
Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of carbon fiber heating temperature controller with filtering function, including casing(1), it is characterised in that:The casing
(1)Top on the left of inner chamber is fixedly connected with fuel tank(2), the casing(1)Oil pump is fixedly connected with the left of intracavity bottom
(3), the casing(1)Auxiliary fuel tank is fixedly connected with the right side of intracavity bottom(4), the auxiliary fuel tank(4)Including auxiliary box body(41),
The auxiliary box body(41)The top on right side is fixedly connected with nut(42), the auxiliary box body(41)Inner chamber be provided through screw thread
Bar(43), the threaded rod(43)Right-hand member sequentially pass through auxiliary box body from left to right(41)And nut(42)And extend to nut
(42)Right side, the threaded rod(43)Left end be fixedly connected with heating tube(44), the auxiliary box body(41)Inner chamber run through
It is provided with condenser pipe(45), the condenser pipe(45)Water inlet pipe and outlet pipe run through auxiliary box body(41)Right side and extend to
Casing(1)Inner chamber, the condenser pipe(45)Water inlet pipe and positioned at casing(1)One end of inner chamber is communicated with the first cooling tube
(46), the condenser pipe(45)Outlet pipe and positioned at casing(1)One end of inner chamber is communicated with the second cooling tube(47), described
One cooling tube(46)Away from condenser pipe(45)Casing is run through in one end of water inlet pipe(1)Right side and extend to casing(1)Outside,
Second cooling tube(47)Away from condenser pipe(45)Casing is run through in one end of outlet pipe(1)Right side and extend to casing(1)
Outside, first cooling tube(46)Above and positioned at casing(1)Outside one end is provided with the first magnetic valve(5), described
Two cooling tubes(47)Above and positioned at casing(1)Outside one end is provided with the second magnetic valve(6), the casing(1)The right side of inner chamber
Side is fixedly connected with filter(7), the filter(7)Including housing(71), the housing(71)Inner chamber be provided with
Filter transverse slat(72), the filtration transverse slat(72)Left end and housing(71)It is fixedly connected on the left of inner chamber, the filtration transverse slat
(72)Right-hand member and housing(71)It is fixedly connected on the right side of inner chamber, the housing(71)Inner chamber and positioned at filter transverse slat(72)'s
Top is provided with filtration riser(73), the filtration riser(73)Top and housing(71)The center of inner cavity top is fixed and is connected
Connect, the filtration riser(73)Bottom with filter transverse slat(72)The center Gu Ding connections at top, the housing(71)Bottom
Right side be communicated with drainpipe(74), the drainpipe(74)Away from housing(71)One end run through casing(1)Right side and prolong
Extend casing(1)Outside, the casing(1)The top in left side is fixedly connected with controller(21), the fuel tank(2)Top
Right side offers oil filler(8), the fuel tank(2)The top on right side is communicated with blast pipe(9), the blast pipe(9)Away from oil
Case(2)One end run through casing(1)Right side and extend to casing(1)Outside, the blast pipe(9)Above and positioned at casing
(1)Outside one end is disposed with from left to right pressure sensor(10)With the 3rd magnetic valve(11), the fuel tank(2)Bottom
Portion is communicated with the first pipeline(12), first pipeline(12)Away from fuel tank(2)One end and oil pump(3)Water inlet connection,
The oil pump(3)Delivery port be communicated with second pipe(13), the second pipe(13)Away from oil pump(3)One end of delivery port
With auxiliary fuel tank(4)The right side connection at top, the auxiliary fuel tank(4)The bottom on right side is communicated with the 3rd pipeline(14), the described 3rd
Pipeline(14)Away from auxiliary fuel tank(4)One end run through casing(1)Right side and extend to casing(1)Outside, it is described 3rd pipe
Road(14)Above and positioned at casing(1)Outside one end is disposed with from left to right temperature sensor(15)With the first ball valve
(16), the 3rd pipeline(14)Right-hand member be communicated with mould(17), the mould(17)The top in left side is communicated with the 4th pipe
Road(18), the 4th pipeline(18)Away from mould(17)One end run through casing(1)Right side and extend to casing(1)It is interior
Chamber, the 4th pipeline(18)Above and positioned at mould(17)With casing(1)Between be provided with the second ball valve(19), the 4th pipe
Road(18)And positioned at casing(1)One end of inner chamber and housing(71)The right side connection at top, the housing(71)The left side at top
It is communicated with oil return pipe(20), the oil return pipe(20)Away from housing(71)One end and fuel tank(2)The bottom connection on right side, it is described
Controller(21)Respectively with oil pump(3), heating tube(44), pressure sensor(10), the first magnetic valve(5), the second magnetic valve
(6), the 3rd magnetic valve(11)And temperature sensor(15)It is electrically connected with.
2. a kind of carbon fiber heating temperature controller with filtering function according to claim 1, it is characterised in that:Institute
State threaded rod(43)With nut(42)Threaded connection.
3. a kind of carbon fiber heating temperature controller with filtering function according to claim 1, it is characterised in that:Institute
State controller(21)Outside be provided with diaphragm.
4. a kind of carbon fiber heating temperature controller with filtering function according to claim 1, it is characterised in that:Institute
State casing(1)The both sides of bottom are connected with roller by support(22).
5. a kind of carbon fiber heating temperature controller with filtering function according to claim 1, it is characterised in that:Institute
State second pipe(13)On be provided with check-valves(23).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620950614.0U CN206153545U (en) | 2016-08-27 | 2016-08-27 | Carbon fiber heating temperature controller with filtering capability |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620950614.0U CN206153545U (en) | 2016-08-27 | 2016-08-27 | Carbon fiber heating temperature controller with filtering capability |
Publications (1)
Publication Number | Publication Date |
---|---|
CN206153545U true CN206153545U (en) | 2017-05-10 |
Family
ID=58648536
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201620950614.0U Active CN206153545U (en) | 2016-08-27 | 2016-08-27 | Carbon fiber heating temperature controller with filtering capability |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN206153545U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114427136A (en) * | 2020-10-15 | 2022-05-03 | 中国石油化工股份有限公司 | Fiber hot-drawing setting device and drawing method thereof |
-
2016
- 2016-08-27 CN CN201620950614.0U patent/CN206153545U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114427136A (en) * | 2020-10-15 | 2022-05-03 | 中国石油化工股份有限公司 | Fiber hot-drawing setting device and drawing method thereof |
CN114427136B (en) * | 2020-10-15 | 2023-05-19 | 中国石油化工股份有限公司 | Fiber hot stretching and shaping device and stretching method thereof |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN104368789B (en) | A kind of die casting temperature control equipment and control method | |
CN207359461U (en) | A kind of plastic cement die casting machine easy to heat dissipation | |
CN106426782B (en) | Mold with heat insulation function | |
CN206153545U (en) | Carbon fiber heating temperature controller with filtering capability | |
CN105537568A (en) | Novel casting die cooling device | |
CN201569162U (en) | Hot water unit capable of recycling waste heat of air compressor | |
CN104005959B (en) | Oil free screw air compressor machine combined type heat recovery system | |
CN206747575U (en) | A kind of mould cooling-cycle device | |
CN207915993U (en) | A kind of energy saving die heater of bloom | |
CN208116712U (en) | A kind of auto parts die casting that part can be accelerated cooling | |
CN211261287U (en) | Wet method lithium battery diaphragm white oil heating device | |
CN210280640U (en) | Pouring device for casting | |
CN110762843A (en) | Wet method lithium battery diaphragm white oil heating device | |
CN207564804U (en) | A kind of pipe mold cooling device | |
CN209439408U (en) | A kind of Aluminium ingot mould with water-cooling jacket | |
CN208513619U (en) | A kind of cylinder body Automated mould | |
CN105947450A (en) | Multi-functional plastic oil tank | |
CN219703464U (en) | Water cooling structure of middle core column of casting die of piezoelectric shell | |
CN206169235U (en) | Fluid buffering carbon fiber oil mould temperature control machine | |
CN207310494U (en) | A kind of cooling water heat recycling device of tubing injection molding machine | |
CN205732911U (en) | A kind of automotive hub Casting Equipment | |
CN206677112U (en) | A kind of casing of kitchen ventilator mould | |
CN205631232U (en) | Plastic process gas cooling treatment device | |
CN204977181U (en) | Gum cover vulcanizing boiler | |
CN204799884U (en) | Improve sand preparing machine |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |