CN210615013U - Precision casting molding sand cooling retrieval and utilization device - Google Patents
Precision casting molding sand cooling retrieval and utilization device Download PDFInfo
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- CN210615013U CN210615013U CN201921576610.0U CN201921576610U CN210615013U CN 210615013 U CN210615013 U CN 210615013U CN 201921576610 U CN201921576610 U CN 201921576610U CN 210615013 U CN210615013 U CN 210615013U
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Abstract
The utility model discloses a precision casting molding sand cooling and recycling device, which comprises a circular ring plate, a water cooling mechanism, an air cooling mechanism, a stirring mechanism and a sealing mechanism, wherein the circular ring plate is internally provided with a cooling cylinder in a matching way, the cooling cylinder comprises a cylinder and a conical cylinder, the cylinder and the conical cylinder are both stainless steel cylinders, the conical cylinder is provided with the bottom end in a matching way, the bottom end of the outer surface of the cylinder is fixedly connected with the inner wall of the circular ring plate, the water cooling mechanism is arranged inside the outer arc wall of the cooling cylinder, the precision casting molding sand cooling and recycling device has simple structure and convenient installation and operation, can realize the simultaneous heat exchange and cooling of air cooling and water cooling modes, simultaneously realize the uniform overturning of molding sand through the stirring mechanism, realize the sufficient heat exchange between the molding sand and the water in a cold water cavity and the gas blown by an axial flow fan, improve the heat exchange efficiency, and realize the high-efficiency, the sufficiency of unloading is guaranteed, and the workload of personnel is reduced.
Description
Technical Field
The utility model relates to a cooling arrangement technical field specifically is a precision casting molding sand cooling retrieval and utilization device.
Background
Precision casting refers to the general term of the process for obtaining castings with precise dimensions, and compared with the traditional sand casting process, the castings obtained by precision casting have more precise dimensions and better surface finish, and the process comprises the following steps: investment casting, ceramic mold casting, metal mold casting, pressure casting, lost foam casting, the molding sand is the material that is used for modelling in the casting, along with the end of casting, higher heat is difficult to dispel in the molding sand, influence going on of next cast member, consequently, need cool off the operation to the molding sand, but traditional molding sand cooling device has a great deal of problem, moreover, the steam generator is complicated in structure, the installation operation is inconvenient, can not realize two kinds of modes of forced air cooling and water-cooling heat exchange cooling simultaneously, can not realize the even boiling of molding sand simultaneously, can not realize with the interior thermal abundant heat exchange of molding sand, heat exchange efficiency is lower, can not realize the high efficiency of cooling back molding sand and unload, it is abundant thoroughly inadequately to unload, personnel's work burden has been increased in the intangible, consequently, the realization that can solve a precision casting molding sand cooling retrieval and utilization device of this type of problem is.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is overcome current defect, a precision casting molding sand cooling retrieval and utilization device is provided, moreover, the steam generator is simple in structure, installation convenient operation, can realize the cooling of heat exchange simultaneously of forced air cooling and water-cooling dual mode, just simultaneously along with the even boiling over to the molding sand, realize the molding sand respectively with the moisture of cold water intracavity and the gaseous abundant heat exchange that axial fan blew into, heat exchange efficiency has been improved, realize the high efficiency of cooling back molding sand and unload, guarantee the sufficiency of unloading, personnel's work burden has been alleviateed, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: a precise casting molding sand cooling and recycling device comprises a circular ring plate, a water cooling mechanism, an air cooling mechanism, a stirring mechanism and a sealing mechanism;
a circular ring plate: the cooling cylinder is arranged inside the circular ring plate in a matched mode and comprises a cylinder and a conical cylinder, the cylinder and the conical cylinder are both stainless steel cylinders, the conical cylinder is arranged at the bottom end of the cylinder in a matched mode, and the bottom end of the outer surface of the cylinder is fixedly connected with the inner wall of the circular ring plate;
a water cooling mechanism: the water cooling mechanism is arranged inside the outer arc wall of the cooling cylinder;
air cooling mechanism: the air cooling mechanisms are uniformly arranged at the upper end of the cylinder;
the stirring mechanism comprises: the stirring mechanism is arranged in the cooling cylinder in a matching way;
the sealing mechanism is as follows: the sealing mechanism is arranged at a discharge port at the bottom end of the conical barrel in a matching manner;
wherein: the heat flow pipe is arranged at an air outlet at the upper end of the cylinder, the control switch group is arranged at the upper end of the circular ring plate, the material injection pipe is arranged at a material inlet at the upper end of the cylinder, the material injection hopper is arranged at a pipe orifice at the upper end of the material injection pipe, the thermometer is arranged on the outer arc surface of the cylinder, a contact at the inner side of the thermometer penetrates through the inner wall of the cylinder, an input end of the control switch group is electrically connected with an external power supply, the structure is simple, the installation and the operation are convenient, two modes of air cooling and water cooling can be realized, the heat exchange and the temperature reduction can, realize the even boiling of molding sand through rabbling mechanism simultaneously, realize the molding sand respectively with the moisture of cold water intracavity and the gaseous abundant heat exchange that axial fan blew into, improved heat exchange efficiency, realize that the high efficiency of cooling back molding sand is unloaded, guarantee the sufficiency of unloading, alleviateed personnel's work burden.
Further, the water cooling mechanism comprises a cold water cavity, a water injection pipe, a valve and a discharge pipe, the cold water cavity is arranged inside an outer arc wall of a barrel body formed by the barrel and the conical barrel, the water injection pipe is arranged at a water injection port at the bottom end of the outer arc surface of the conical barrel, the water injection pipe is communicated with the cold water cavity, the valve is connected in series in the pipe of the water injection pipe, the discharge pipe is arranged at a water outlet at the upper end of the outer arc surface of the barrel, and the discharge pipe is communicated with the cold water cavity.
Further, the air cooling mechanism comprises an installation cylinder and an axial flow fan, the installation cylinder is correspondingly arranged at the air inlet uniformly distributed on the upper surface of the cylinder, the axial flow fan is arranged in the installation cylinder through an installation frame, and the input end of the axial flow fan is electrically connected with the output end of the control switch group, so that gas exchange cooling is realized.
Further, rabbling mechanism includes driving motor, (mixing) shaft, stirring piece, stirring board and bar mouth, driving motor sets up in the upper surface center department of drum, the upper end through-hole that the output shaft of driving motor bottom passed the drum and through the upper end fixed connection of shaft coupling with the (mixing) shaft, the stirring piece evenly sets up in the surperficial upper end of (mixing) shaft, the stirring piece is located the inside of drum, the stirring board evenly sets up in the surperficial lower extreme of (mixing) shaft, the stirring board is located the inside of a toper section of thick bamboo, and a toper section of thick bamboo sets up with the cooperation, the cooperation of bar mouth sets up in the side of stirring board, driving motor's input electricity connection control switch group's output, the realization is to the.
Further, seal the mechanism and include mounting panel, electric telescopic handle, connecting rod, seal and insert post and graphite sealing washer, the mounting panel sets up on the extrados of a toper section of thick bamboo, and electric telescopic handle sets up on the bottom surface of mounting panel, and the connecting rod sets up in electric telescopic handle's flexible end bottom, seals and inserts the post and set up in the inboard end of connecting rod, seals and inserts the post and correspond the cooperation setting with the discharge gate of toper section of thick bamboo bottom, and graphite sealing washer sets up on sealing the surface of inserting the post, and electric telescopic handle's input electricity connection control switch group's output realizes unloading fast and seals.
Further, still include fagging and mounting hole to one side, the fagging evenly sets up in ring board bottom surface edge, and the mounting hole sets up in the bottom of fagging to one side, and the installation of being convenient for provides the outrigger.
Compared with the prior art, the beneficial effects of the utility model are that: this precision casting molding sand cooling retrieval and utilization device has following benefit:
1. with the external outside cooling water equipment water pipe of water injection pipe, the external backflow pipeline of discharge pipe, to the appropriate amount cold water of cold water intracavity injection, realize the water-cooling to the molding sand, through the regulation and control of control switch group, the driving motor operation, the output shaft rotates and drives the (mixing) shaft rotation, and then realize stirring piece and stirring board respectively to the molding sand stirring in drum and the toper section of thick bamboo, realize that the molding sand is abundant with the heat exchange of cold water intracavity moisture, guarantee the high-efficient water-cooling of molding sand, heat exchange efficiency has been improved.
2. Through the regulation and control of control switch group, axial fan operates, blows into the cooling cylinder with outside air inside, and the cooling cylinder of exchange passes through the hot current pipe and discharges, and the inside temperature of thermometer real-time measurement to manage accuse cooling process, realize the high-efficient forced air cooling, guarantee the cooling quality to the molding sand.
3. After the cooling is thorough, through the regulation and control of control switch group, electric telescopic handle extends to a certain extent, drives the connecting rod and will seal and insert the post and extract from the discharge gate of toper bobbin end, and driving motor continues the operation, and the stirring board is fully unloaded a section of thick bamboo interior molding sand, and then realizes that the high efficiency of cooling back molding sand is unloaded, guarantees the sufficiency of unloading, has alleviateed personnel's work burden.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a schematic view of the present invention from the bottom;
fig. 3 is a schematic view of the internal cross-section of the cooling cylinder of the present invention.
In the figure: 1 circular ring plate, 2 cooling cylinders, 201 cylinders, 202 conical cylinders, 3 water cooling mechanisms, 31 cold water cavities, 32 water injection pipes, 33 valves, 34 discharge pipes, 4 air cooling mechanisms, 41 mounting cylinders, 42 axial flow fans, 5 stirring mechanisms, 51 driving motors, 52 stirring shafts, 53 stirring sheets, 54 stirring plates, 55 strip-shaped ports, 6 sealing mechanisms, 61 mounting plates, 62 electric telescopic rods, 63 connecting rods, 64 sealing insertion columns, 65 graphite sealing rings, 7 hot flow pipes, 8 control switch groups, 9 material injection pipes, 10 material injection hoppers, 11 thermometers, 12 inclined supporting plates and 13 mounting holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a precise casting molding sand cooling and recycling device comprises a circular ring plate 1, a water cooling mechanism 3, an air cooling mechanism 4, a stirring mechanism 5 and a sealing mechanism 6;
the circular plate 1: the circular ring plate 1 provides a supporting and mounting platform, the cooling cylinder 2 is arranged inside the circular ring plate 1 in a matched mode, the cooling cylinder 2 comprises a cylinder 201 and a conical cylinder 202, the cylinder 201 and the conical cylinder 202 are both stainless steel cylinders, the conical cylinder 202 is provided with the bottom end of the cylinder 201 in a matched mode, the bottom end of the outer surface of the cylinder 201 is fixedly connected with the inner wall of the circular ring plate 1, a molding sand cooling place is provided, and unloading is facilitated;
the water cooling mechanism 3: the water cooling mechanism 3 is arranged inside the outer arc wall of the cooling cylinder 2, the water cooling mechanism 3 comprises a cold water cavity 31, a water injection pipe 32, a valve 33 and a discharge pipe 34, the cold water cavity 31 is arranged inside the outer arc wall of the cylinder body formed by the cylinder 201 and the conical cylinder 202, the water injection pipe 32 is arranged at a water injection port at the bottom end of the outer arc surface of the conical cylinder 202, the water injection pipe 32 is communicated with the cold water cavity 31, the valve 33 is connected in series inside the water injection pipe 32, the discharge pipe 34 is arranged at a water outlet at the upper end of the outer arc surface of the cylinder 201, the discharge pipe 34 is communicated with the cold water cavity 31, the water injection pipe 32 is externally connected with an external cold water equipment water conveying pipeline, the discharge pipe 34;
air-cooling mechanism 4: the air cooling mechanisms 4 are uniformly arranged at the upper end of the cylinder 201, each air cooling mechanism 4 comprises an installation cylinder 41 and an axial flow fan 42, the installation cylinder 41 is used for installing and supporting the axial flow fan 42, the installation cylinders 41 are correspondingly arranged at air inlets uniformly distributed on the upper surface of the cylinder 201, the axial flow fans 42 are arranged inside the installation cylinders 41 through installation frames, and the axial flow fans 42 run to blow external air into the cooling cylinder 2 so as to realize air exchange and heat dissipation;
the stirring mechanism 5: the stirring mechanism 5 is arranged inside the cooling cylinder 2 in a matching manner, the stirring mechanism 5 comprises a driving motor 51, a stirring shaft 52, stirring blades 53, a stirring plate 54 and a strip-shaped opening 55, the driving motor 51 is arranged at the center of the upper surface of the cylinder 201, an output shaft at the bottom end of the driving motor 51 penetrates through a through hole at the upper end of the cylinder 201 and is fixedly connected with the upper end of the stirring shaft 52 through a coupler, the stirring blades 53 are uniformly arranged at the upper end of the surface of the stirring shaft 52, the stirring plate 53 is positioned inside the cylinder 201, the stirring plate 54 is uniformly arranged at the lower end of the surface of the stirring shaft 52, the stirring plate 54 is positioned inside the conical cylinder 202, the conical cylinder 202 is arranged in a matching manner, the strip-shaped opening 55 is arranged on the side surface of the stirring plate 54 in a matching manner, the strip-shaped opening 55 prevents the molding sand from being turned over too much, the driving motor 51 operates, the, ensuring the molding sand to fully exchange heat with moisture;
and a sealing mechanism 6: the sealing mechanism 6 is arranged at a discharge port at the bottom end of the conical barrel 202 in a matched manner, the sealing mechanism 6 comprises a mounting plate 61, an electric telescopic rod 62, a connecting rod 63, a sealing insertion column 64 and a graphite sealing ring 65, the mounting plate 61 plays a role in mounting and supporting, the mounting plate 61 is arranged on the outer arc surface of the conical barrel 202, the electric telescopic rod 62 is arranged on the bottom surface of the mounting plate 61, the connecting rod 63 is arranged at the bottom of the telescopic end of the electric telescopic rod 62, the sealing insertion column 64 is arranged at the end head of the inner side of the connecting rod 63, the sealing insertion column 64 is correspondingly matched with the discharge port at the bottom end of the conical barrel 202, the graphite sealing ring 65 is arranged on the outer surface of the sealing insertion column 64, after complete cooling, the electric telescopic rod 62 extends to a certain degree, the connecting rod;
wherein: also comprises a hot flow pipe 7, a control switch group 8 and a material injection pipe 9, the molding sand that will wait to cool off is imported through the injection hopper 10, carry to the cooling cylinder 2 that drum 201 and toper section of thick bamboo 202 are constituteed in annotating the material pipe 9, the temperature of the inside molding sand of cooling cylinder 2 is monitored in real time to thermometer 11, the steam that heat flow pipe 7 realized the exchange is discharged, control switch group 8 adjusts the normal operating of each mechanism, heat flow pipe 7 sets up in the gas outlet department of drum 201 upper end, control switch group 8 sets up in the upper end of ring plate 1, it sets up in the feed inlet department of drum 201 upper end to annotate material pipe 9, it sets up in the upper end mouth of pipe department of annotating material pipe 9 to annotate material hopper 10, thermometer 11 sets up on the extrados of drum 201, the inner wall of drum 201 is run through to the inboard contact of thermometer 11, control switch group 8's input electricity connection external power supply, axial fan 42, the equal electricity connection of drive motor.
Wherein: still include fagging 12 and mounting hole 13 to one side, fagging 12 evenly sets up in 1 bottom surface edge of ring plate, and mounting hole 13 sets up in the bottom of fagging 12 to one side, through the bolt with the mounting hole 13 and the installation position threaded mounting of fagging 12 bottom to one side.
When in use: mounting holes 13 at the bottom of an inclined supporting plate 12 and mounting positions are installed in a threaded manner through bolts, a water injection pipe 32 is externally connected with an external cold water equipment water delivery pipeline, a discharge pipe 34 is externally connected with an external backflow pipeline, a proper amount of cold water is injected in advance, a hot flow pipe 7 is externally connected with an external cooling equipment input port, molding sand to be cooled is input through a material injection hopper 10 and is conveyed into a cooling cylinder 2 consisting of a cylinder 201 and a conical cylinder 202 through a material injection pipe 9, a pipe valve at the upper end of the material injection pipe 9 is closed after a proper amount of water is added, a driving motor 51 operates through the control of a control switch group 8, an output shaft rotates to drive a stirring shaft 52 to rotate, so that the stirring blades 53 and the stirring plate 54 respectively stir the molding sand in the cylinder 201 and the conical cylinder 202, the molding sand is ensured to fully exchange heat with moisture in a cold water cavity 31, in, meanwhile, axial fan 42 operates, blow the outside air into inside cooling cylinder 2, the cooling cylinder 2 of exchange is discharged through hot flow tube 7, thermometer 11 measures the inside temperature in real time, so that the control cooling process, after the cooling is thorough, electric telescopic handle 62 extends to a certain extent, drive connecting rod 63 and will seal the discharge gate of inserting post 64 from toper section of thick bamboo 202 bottom and extract, driving motor 51 continues to operate, stirring board 54 fully unloads the section of thick bamboo interior molding sand, and then realize that the high efficiency of cooling back molding sand is unloaded, personnel in time collect can, after finishing using, each mechanism resumes the former state can.
It should be noted that, in the embodiment, the electric telescopic rod 62 disclosed in the present invention may be an electric telescopic rod of DTPD type, which is a yao electric hydraulic rod factory type available in tin-free city, the axial flow fan 42 may be a high temperature resistant axial flow fan of FT35 series, the driving motor 51 may be a YLK high temperature motor, which is a samma motor ltd in suzhou, the control switch group 8 controls the axial flow fan 42, the driving motor 51 and the electric telescopic rod 62 to operate by methods commonly used in the prior art, and the axial flow fan 42, the driving motor 51 and the electric telescopic rod 62 are all original elements commonly used in cooling equipment in the prior art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a precision casting molding sand cooling retrieval and utilization device which characterized in that: comprises a circular ring plate (1), a water cooling mechanism (3), an air cooling mechanism (4), a stirring mechanism (5) and a sealing mechanism (6);
annular plate (1): the cooling cylinder (2) is arranged inside the circular ring plate (1) in a matched mode, the cooling cylinder (2) comprises a cylinder (201) and a conical cylinder (202), the cylinder (201) and the conical cylinder (202) are both stainless steel cylinders, the conical cylinder (202) is arranged at the bottom end of the cylinder (201) in a matched mode, and the bottom end of the outer surface of the cylinder (201) is fixedly connected with the inner wall of the circular ring plate (1);
water cooling mechanism (3): the water cooling mechanism (3) is arranged inside the outer arc wall of the cooling cylinder (2);
air-cooling mechanism (4): the air cooling mechanisms (4) are uniformly arranged at the upper end of the cylinder (201);
stirring mechanism (5): the stirring mechanism (5) is arranged in the cooling cylinder (2) in a matching way;
sealing mechanism (6): the sealing mechanism (6) is arranged at a discharge hole at the bottom end of the conical cylinder (202) in a matching manner;
wherein: still include thermal current pipe (7), control switch group (8), notes material pipe (9), notes hopper (10) and thermometer (11), thermal current pipe (7) set up in gas outlet department of drum (201) upper end, and control switch group (8) set up in the upper end of ring plate (1), and notes material pipe (9) set up in the feed inlet department of drum (201) upper end, and notes hopper (10) set up in the upper end mouth of pipe department of annotating material pipe (9), and thermometer (11) set up on the extrados of drum (201), and the contact of thermometer (11) inboard runs through the inner wall of drum (201), and external power source is connected to the input electricity of control switch group (8).
2. The device for cooling and recycling the molding sand for precision casting according to claim 1, wherein: water-cooling mechanism (3) are including cold water chamber (31), water injection pipe (32), valve (33) and discharge pipe (34), cold water chamber (31) set up inside the barrel outer arc wall that drum (201) and toper section of thick bamboo (202) are constituteed, water injection pipe (32) set up in the water filling opening department of toper section of thick bamboo (202) outer arc bottom, water injection pipe (32) communicate with each other with cold water chamber (31), valve (33) are established ties in the intraductal of water injection pipe (32), discharge pipe (34) set up in the delivery port department of drum (201) outer arc upper end, discharge pipe (34) communicate with each other with cold water chamber (31).
3. The device for cooling and recycling the molding sand for precision casting according to claim 1, wherein: air-cooled mechanism (4) are including installation section of thick bamboo (41) and axial fan (42), installation section of thick bamboo (41) correspond and set up in drum (201) upper surface evenly distributed's air inlet department, and axial fan (42) set up in the inside of installation section of thick bamboo (41) through the mounting bracket, and the output of control switch group (8) is connected to the input electricity of axial fan (42).
4. The device for cooling and recycling the molding sand for precision casting according to claim 1, wherein: the stirring mechanism (5) comprises a driving motor (51), a stirring shaft (52), stirring blades (53), a stirring plate (54) and a strip-shaped opening (55), the driving motor (51) is arranged at the center of the upper surface of the cylinder (201), an output shaft at the bottom end of the driving motor (51) penetrates through a through hole at the upper end of the cylinder (201) and is fixedly connected with the upper end of the stirring shaft (52) through a coupler, the stirring blades (53) are uniformly arranged at the upper end of the surface of the stirring shaft (52), the stirring blades (53) are positioned inside the cylinder (201), the stirring plate (54) is uniformly arranged at the lower end of the surface of the stirring shaft (52), the stirring plate (54) is positioned inside the conical cylinder (202), and the conical cylinder (202) is arranged in a matching way, the strip-shaped opening (55) is arranged on the side surface of the stirring plate (54) in a matching way, and the input end of the driving motor (51) is electrically connected with the output end of the control switch group (8).
5. The device for cooling and recycling the molding sand for precision casting according to claim 1, wherein: seal mechanism (6) including mounting panel (61), electric telescopic handle (62), connecting rod (63), seal and insert post (64) and graphite sealing washer (65), mounting panel (61) set up on the extrados of a toper section of thick bamboo (202), electric telescopic handle (62) set up on the bottom surface of mounting panel (61), connecting rod (63) set up in the flexible end bottom of electric telescopic handle (62), seal and insert post (64) and set up in the inboard end of connecting rod (63), seal and insert post (64) and the discharge gate of a toper section of thick bamboo (202) bottom and correspond the cooperation setting, graphite sealing washer (65) set up on sealing the surface of inserting post (64), the output of the input electricity connection control switch group (8) of electric telescopic handle (62).
6. The device for cooling and recycling the molding sand for precision casting according to claim 1, wherein: still include fagging (12) and mounting hole (13) to one side, fagging (12) evenly set up in ring board (1) bottom surface edge, and mounting hole (13) set up in the bottom of fagging (12) to one side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921576610.0U CN210615013U (en) | 2019-09-23 | 2019-09-23 | Precision casting molding sand cooling retrieval and utilization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921576610.0U CN210615013U (en) | 2019-09-23 | 2019-09-23 | Precision casting molding sand cooling retrieval and utilization device |
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| Publication Number | Publication Date |
|---|---|
| CN210615013U true CN210615013U (en) | 2020-05-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921576610.0U Expired - Fee Related CN210615013U (en) | 2019-09-23 | 2019-09-23 | Precision casting molding sand cooling retrieval and utilization device |
Country Status (1)
| Country | Link |
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| CN (1) | CN210615013U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112629152A (en) * | 2020-11-16 | 2021-04-09 | 江山市艺康化学有限公司 | Energy-concerving and environment-protective phosphorus pentoxide cooling device |
| CN113765281A (en) * | 2021-08-18 | 2021-12-07 | 南通吉海船舶设备有限公司 | Air cooling machine with stable work for ship |
| CN113926986A (en) * | 2021-10-22 | 2022-01-14 | 安徽省含山县威建铸造厂(普通合伙) | Molding sand cooling device for casting |
-
2019
- 2019-09-23 CN CN201921576610.0U patent/CN210615013U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112629152A (en) * | 2020-11-16 | 2021-04-09 | 江山市艺康化学有限公司 | Energy-concerving and environment-protective phosphorus pentoxide cooling device |
| CN113765281A (en) * | 2021-08-18 | 2021-12-07 | 南通吉海船舶设备有限公司 | Air cooling machine with stable work for ship |
| CN113765281B (en) * | 2021-08-18 | 2022-06-28 | 南通吉海船舶设备有限公司 | Air cooling machine with stable work for ship |
| CN113926986A (en) * | 2021-10-22 | 2022-01-14 | 安徽省含山县威建铸造厂(普通合伙) | Molding sand cooling device for casting |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200526 Termination date: 20200923 |
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| CF01 | Termination of patent right due to non-payment of annual fee |