CN110695315B - Small-size casting batch dewaxing device - Google Patents
Small-size casting batch dewaxing device Download PDFInfo
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- CN110695315B CN110695315B CN201910863790.9A CN201910863790A CN110695315B CN 110695315 B CN110695315 B CN 110695315B CN 201910863790 A CN201910863790 A CN 201910863790A CN 110695315 B CN110695315 B CN 110695315B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
- B22C9/04—Use of lost patterns
- B22C9/043—Removing the consumable pattern
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Abstract
The invention discloses a batch dewaxing device for casting small-size castings, and particularly relates to the field of casting of castings. According to the invention, the motor is arranged to drive the second belt pulley, the first belt pulley and the four rotary discs to rotate through the rotary shaft, the electric push rod is arranged to drive the four protective covers to lift, so that each casting is subjected to centrifugal dewaxing independently, the inclined pipe is arranged at the bottom of the protective cover and collected into the first drawer through the vertical pipe, the first drawer can be taken out to recover paraffin after the work is finished, the phenomenon that the molten paraffin splashes around to pollute the environment when the traditional casting is dewaxed is avoided, meanwhile, the casting is dewaxed in the independent protective cover, the paraffin of other castings can be effectively prevented from being stained, and the dewaxing quality of the casting is improved.
Description
Technical Field
The invention relates to the field of casting of castings, in particular to a batch dewaxing device for casting of small-size castings.
Background
In the casting process of castings, dewaxing is an important link, most commonly, the castings are dewaxed in a centrifugal mode, but the existing centrifugal mode is used for dewaxing, a plurality of castings are often put together and then heated and rotated at a high speed at the same time, so that molten paraffin is thrown out of the castings, but when the paraffin is thrown out, the paraffin is easily stained on other castings, the dewaxing quality is low, and meanwhile, the thrown paraffin cannot be effectively collected, so that resource waste is caused, and splashing everywhere pollutes the environment.
Therefore, the invention is necessary to develop a batch dewaxing device for casting small-sized castings.
Disclosure of Invention
In order to overcome the defects in the prior art, embodiments of the present invention provide a batch dewaxing device for casting small castings, in which a motor is arranged to drive a second pulley to rotate through a rotating shaft, and drive a first pulley to rotate through a belt, so as to finally enable four rotating discs to rotate, and an electric push rod is arranged to drive four protective covers to move up and down, so that each casting is separately and independently dewaxed, and meanwhile, an inclined tube is arranged at the bottom of the protective cover and is collected into a first drawer through a vertical tube, and the first drawer can be taken out to recover paraffin after work is finished, thereby avoiding environment pollution caused by splashing of molten paraffin around during dewaxing of a traditional casting, and simultaneously, dewaxing the casting in the separate protective cover, effectively avoiding paraffin of other castings from being stained with paraffin, improving dewaxing quality of the casting, and solving the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a small-size casting batch dewaxing device comprises a box body, wherein a centrifugal mechanism is arranged inside the box body, a lifting mechanism is arranged at the top of the box body, a filtering mechanism is arranged at the bottom of the box body, and infrared lamps are fixedly connected to the inner walls of two sides of the box body;
the centrifugal mechanism comprises a motor, the motor is fixedly connected to the bottom of the box body, an output shaft of the motor is fixedly connected with a rotating shaft, the inner wall of the rear side of the box body is fixedly connected with two supporting plates, the rotating shaft penetrates through the bottom of the box body and the two supporting plates and extends to the tops of the supporting plates, two ends of the tops of the two supporting plates are fixedly connected with four first belt pulleys through bearings, four turnplates are fixedly connected to the tops of the four first belt pulleys through shaft levers (7), second belt pulleys are arranged on the tops of the two supporting plates, and the two second belt pulleys are fixedly sleeved on the outer side;
the lifting mechanism comprises an electric push rod, the electric push rod is positioned at the top of the box body, a support frame is arranged in the box body, four protective covers are fixedly connected to the front side of the support frame, and a piston rod of the electric push rod penetrates through the top of the box body and is fixedly connected with the top of the support frame;
the filtering mechanism comprises a first branch pipe, the first branch pipe is located on one side of the supporting plate, two second branch pipes are fixedly connected to one side of the first branch pipe, and the bottoms of the second branch pipes are fixedly connected with four protective covers through air pipes.
In a preferred embodiment, two of the second pulleys are located between the four first pulleys, and both of the second pulleys are connected with the four first pulleys by a belt.
In a preferred embodiment, the cross section of the support frame is provided with an H shape, and four protective covers are uniformly distributed at four corners of the front side of the support frame.
In a preferred embodiment, two inclined pipes are fixedly connected to the bottoms of the rear sides of the four protective covers through guide pipes, a vertical pipe is fixedly connected to one end of each of the two inclined pipes, a first through hole is formed in the surface of the bottom of the box body, and the bottom end of each vertical pipe extends into the corresponding first through hole.
In a preferred embodiment, the cross sections of the four protective covers are all arranged in a U shape, the bottoms of the four protective covers are all provided with grooves, the positions of the four grooves are respectively corresponding to the tops of the four turntables, and the inner diameters of the grooves are matched with the diameters of the turntables.
In a preferred embodiment, a box door is inlaid on the front side surface of the box body, the box door is movably connected with the box body through a hinge, a storage box is fixedly connected to the bottom of the box body, a first drawer is slidably connected to the inside of the storage box through a sliding rail, a first handle is fixedly connected to the front side of the first drawer, and the storage box is located on one side of a motor.
In a preferred embodiment, a second through hole is formed in the bottom surface of the box body, and the second through hole is located at the bottom of the first branch pipe.
In a preferred embodiment, a water tank is fixedly connected to the bottom of the tank body, a second drawer is slidably connected to the inside of the water tank through a sliding rail, a second handle is fixedly connected to the front side of the second drawer, and the water tank is located on the other side of the motor.
The invention has the technical effects and advantages that:
1. the motor is arranged to drive the second belt pulley to rotate through the rotating shaft, the belt drives the first belt pulley to rotate, finally, the four rotary tables are driven to rotate, the electric push rod is arranged to drive the four protective covers to move up and down, each casting is separated and independently dewaxed, meanwhile, the inclined tube is arranged at the bottom of the protective cover and collected into the first drawer through the vertical tube, the first drawer can be taken out to recover paraffin after the work is finished, the phenomenon that the molten paraffin splashes around to pollute the environment when the traditional casting is dewaxed is avoided, meanwhile, the casting is dewaxed in the independent protective cover, the paraffin of other castings can be effectively prevented from being stained and stained, compared with the prior art, the molten paraffin is recovered more efficiently, and the dewaxing quality of the casting is improved;
2. pass through trachea and protection casing top fixed connection through setting up the second branch pipe, set up the water tank simultaneously bottom the box for the paraffin vapour that the paraffin heating produced flows into the water tank through second branch pipe and first branch pipe in finally, is formed the solid by cold water cooling and floats on the cold water surface of water, compares with prior art, and the paraffin vapour that the paraffin heating produced has obtained quick effectual recovery, thereby staff's healthy has obtained the guarantee.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a front sectional view of the present invention.
FIG. 3 is an enlarged view of the portion A of FIG. 2 according to the present invention.
Fig. 4 is a perspective view of the shield of the present invention.
Fig. 5 is a schematic view of the operation of the electric putter of the present invention.
The reference signs are: the infrared lamp comprises a box body 1, an infrared lamp 2, a motor 3, a rotating shaft 4, a supporting plate 5, a first belt pulley 6, a shaft rod 7, a rotating disc 8, a second belt pulley 9, an electric push rod 10, a supporting frame 11, a protective cover 12, a first branch pipe 13, a second branch pipe 14, an inclined pipe 15, a vertical pipe 16, a storage box 17, a first drawer 18, a water tank 19 and a second drawer 20.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a small-specification casting batch dewaxing device shown in figures 1-5, which comprises a box body 1, wherein a centrifugal mechanism is arranged in the box body 1, a lifting mechanism is arranged at the top of the box body 1, and infrared lamps 2 are fixedly connected to the inner walls of two sides of the box body 1;
the centrifugal mechanism comprises a motor 3, the motor 3 is fixedly connected to the bottom of a box body 1, an output shaft of the motor 3 is fixedly connected with a rotating shaft 4, the inner wall of the rear side of the box body 1 is fixedly connected with two supporting plates 5, the rotating shaft 4 penetrates through the bottom of the box body 1 and the two supporting plates 5 and extends to the tops of the supporting plates 5, two ends of the tops of the two supporting plates 5 are fixedly connected with four first belt pulleys 6 through bearings, the tops of the four first belt pulleys 6 are fixedly connected with four rotating discs 8 through shaft levers 7, the tops of the two supporting plates 5 are respectively provided with a second belt pulley 9, and the two second belt pulleys 9 are fixedly sleeved on the;
the lifting mechanism comprises an electric push rod 10, the electric push rod 10 is positioned at the top of the box body 1, a support frame 11 is arranged inside the box body 1, four protective covers 12 are fixedly connected to the front side of the support frame 11, and a piston rod of the electric push rod 10 penetrates through the top of the box body 1 and is fixedly connected with the top of the support frame 11;
the two second belt pulleys 9 are positioned between the four first belt pulleys 6, and the two second belt pulleys 9 are connected with the four first belt pulleys 6 through belts;
the cross section of the support frame 11 is H-shaped, and the four protective covers 12 are uniformly distributed at four corners of the front side of the support frame 11;
the bottom of the rear side of each of the four protective covers 12 is fixedly connected with two inclined pipes 15 through a guide pipe, one ends of the two inclined pipes 15 are fixedly connected with vertical pipes 16, a first through hole is formed in the surface of the bottom of the box body 1, and the bottom ends of the vertical pipes 16 extend into the first through hole;
the cross sections of the four protective covers 12 are all U-shaped, grooves are formed in the bottoms of the four protective covers 12, the four grooves are respectively arranged at the tops of the four rotary tables 8 correspondingly, and the inner diameters of the grooves are matched with the diameters of the rotary tables 8;
the utility model discloses a motor cabinet, including box 1, box door, hinge and box 1 swing joint, box 1 bottom fixedly connected with receiver 17, receiver 17 is inside to have first drawer 18 through slide rail sliding connection, the first leader of 18 front side fixedly connected with of first drawer, receiver 17 is located motor 3 one side.
The implementation mode is specifically as follows: when a casting needs dewaxing, a worker can open a box door, then the casting is placed on a rotary table 8 and fixed by a clamp, the clamp is the prior art, and will not be described herein, a power supply is switched on to start an electric push rod 10, a piston rod of the electric push rod 10 moves to drive a support frame 11, finally four protective covers 12 are driven to move downwards, the protective covers 12 simultaneously drive two inclined tubes 15 and vertical tubes 16 to move downwards through a guide tube, when a groove of the protective covers 12 moves to the same height of the rotary table 8, the bottom ends of the vertical rods extend into a first drawer 18, as shown in fig. 5, the electric push rod 10 is switched off, an infrared lamp 2 is switched on, the protective covers 12 and the casting inside the infrared lamp 2 are heated, a motor 3 is simultaneously started, the motor 3 drives two second belt pulleys 9 to rotate through a rotating shaft 4, and the two second belt pulleys 9 drive the four first belt pulleys 6 to rotate through a belt, thereby the four turntables 8 will drive the casting to rotate, because the infrared lamp 2 heats at high temperature, the paraffin of the casting is melted and because the casting rotates, the melted paraffin is thrown on the protective cover 12 by centrifugal force and flows to the bottom of the protective cover 12, finally flows to the inclined tube 15 through the conduit and flows into the vertical tube 16, and finally flows into the first drawer 18, after the work is finished, the staff can start the electric push rod 10 again, the protective cover 12 is recovered to the original position, the first drawer 18 can be taken out by pulling the first handle, thereby the melted paraffin can be taken out and recycled, the second belt pulley 9 is driven by the motor 3 through the rotating shaft 4, and the first belt pulley 6 is driven to rotate through the belt, finally the four turntables 8 rotate, meanwhile, the electric push rod 10 is arranged to drive the four protective covers 12 to move up and down, so that each casting is separated to carry out centrifugal dewaxing, and meanwhile, the inclined tube 15 is arranged at the bottom of the protective cover 12, the first drawer 18 can be taken out to recover paraffin after work is finished, and the embodiment specifically solves the problems that in the prior art, when castings are subjected to batch dewaxing in a centrifugal mode, paraffin of castings at inner rings is easily thrown onto castings at outer rings, dewaxing quality is low, and the paraffin splashes everywhere in the centrifugal mode, so that environment is polluted, and resources are wasted.
The invention provides a small-size casting batch dewaxing device as shown in figures 1, 2, 4 and 5, which further comprises a filtering mechanism, wherein the filtering mechanism is positioned at the bottom of the box body 1;
the filtering mechanism comprises a first branch pipe 13, the first branch pipe 13 is positioned on one side of the supporting plate 5, two second branch pipes 14 are fixedly connected to one side of the first branch pipe 13, and the bottoms of the two second branch pipes 14 are fixedly connected with four protective covers 12 through air pipes;
a second through hole is formed in the bottom surface of the box body 1 and is positioned at the bottom of the first branch pipe 13;
the bottom of the box body 1 is fixedly connected with a water tank 19, the inside of the water tank 19 is connected with a second drawer 20 in a sliding mode through a sliding rail, a second handle is fixedly connected to the front side of the second drawer 20, and the water tank 19 is located on the other side of the motor 3.
The implementation mode is specifically as follows: before the casting is dewaxed, a worker can pull the second handle to draw out the second drawer 20 and add sufficient cold water into the second drawer 20, when the casting is dewaxed, the protective cover 12 moves downwards due to the electric push rod 10, the protective cover 12 drives the second branch pipe 14 and the first branch pipe 13 to move downwards through the air pipe, the bottom end of the first branch pipe 13 extends into the cold water of the second drawer 20, the paraffin is melted due to the high temperature of infrared rays, paraffin steam is generated when the paraffin is melted, the paraffin steam enters the second branch pipe 14 through the air pipe at the top of the protective cover 12, then the paraffin steam enters the first branch pipe 13 and finally enters the cold water along the first branch pipe 13, the paraffin steam is cooled and solidified into paraffin solid by the cold water and floats on the surface of the cold water, after the work is finished, the worker can draw out the second drawer 20 and take out the paraffin on the surface of the cold water, pass through trachea and protection casing 12 top fixed connection through setting up second branch pipe 14, set up water tank 19 simultaneously in box 1 bottom, make the paraffin vapour that the paraffin heating produced through second branch pipe 14 and first branch pipe 13 finally flow into water tank 19, it floats on the cold water surface of water to form the solid by cold water cooling, this embodiment has specifically solved among the prior art foundry goods when dewaxing, the paraffin vapour that produces after the paraffin is heated distributes out, these paraffin vapours have been inhaled to the staff, there is the problem of very big potential safety hazard to the health.
The working principle of the invention is as follows:
referring to the attached drawings 1-5 of the specification, a box door is opened, a casting is placed on a rotary table 8 and fixed by a clamp, a power supply is switched on to start an electric push rod 10, a piston rod of the electric push rod 10 moves to drive a support frame 11, and finally four protective covers 12 move downwards, the protective covers 12 simultaneously drive two inclined tubes 15 and vertical tubes 16 to move downwards through guide pipes, when grooves of the protective covers 12 move to the same height of the rotary table 8, the bottom ends of the vertical rods extend into a first drawer 18, as shown in fig. 5, the electric push rod 10 is closed at the moment, an infrared lamp 2 is turned on, the protective covers 12 and the casting inside the protective covers are heated by the infrared lamp 2, a motor 3 is started simultaneously, the motor 3 drives two second belt pulleys 9 to rotate through a rotating shaft 4, the two second belt pulleys 9 rotate four first belt pulleys 6 through belts, and the four rotary tables 8, the melted paraffin is thrown on the protective cover 12 and flows to the bottom of the protective cover 12, then flows to the inclined pipe 15 through the conduit and then flows to the vertical pipe 16, and finally flows into the first drawer 18, after the work is finished, the worker can start the electric push rod 10 again to restore the protective cover 12 to the original position, and the first drawer 18 is taken out by pulling the first handle, so that the melted paraffin can be taken out and recycled for secondary use;
referring to the attached drawings 1, 2, 4 and 5 of the specification, before the casting is dewaxed, a worker can pull a second handle to draw out a second drawer 20 and add sufficient cold water into the second drawer 20, when the casting is dewaxed, due to the fact that an electric push rod 10 enables a protective cover 12 to move downwards, the protective cover 12 simultaneously drives a second branch pipe 14 and a first branch pipe 13 to move downwards through an air pipe, the bottom end of the first branch pipe 13 extends into the cold water of the second drawer 20, paraffin is melted due to the high temperature of infrared rays, paraffin steam is generated when the paraffin is melted, the paraffin steam enters the second branch pipe 14 through the air pipe at the top of the protective cover 12, then the paraffin steam enters the first branch pipe 13 and finally enters cold water along the first branch pipe 13, the paraffin steam is cooled by the cold water to be solidified into paraffin solid and floats on the surface of the cold water, after the work is finished, the worker can draw out the second drawer 20, and taking out the paraffin on the surface of the cold water.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;
and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (5)
1. The utility model provides a dewaxing device in batches is cast to small dimension foundry goods, includes box (1), its characterized in that: a centrifugal mechanism is arranged in the box body (1), a lifting mechanism is arranged at the top of the box body (1), a filtering mechanism is arranged at the bottom of the box body (1), and infrared lamps (2) are fixedly connected to the inner walls of the two sides of the box body (1); the centrifugal mechanism comprises a motor (3), the motor (3) is fixedly connected to the bottom of a box body (1), an output shaft of the motor (3) is fixedly connected with a rotating shaft (4), the inner wall of the rear side of the box body (1) is fixedly connected with two supporting plates (5), the rotating shaft (4) penetrates through the bottom of the box body (1) and the two supporting plates (5) and extends to the tops of the supporting plates (5), two ends of the tops of the two supporting plates (5) are fixedly connected with four first belt pulleys (6) through bearings, the tops of the four first belt pulleys (6) are fixedly connected with four rotating discs (8) through shaft levers (7), the tops of the two supporting plates (5) are respectively provided with a second belt pulley (9), and the two second belt pulleys (9) are fixedly sleeved on the outer side of the; the lifting mechanism comprises an electric push rod (10), the electric push rod (10) is positioned at the top of the box body (1), a support frame (11) is arranged inside the box body (1), four protective covers (12) are fixedly connected to the front side of the support frame (11), and a piston rod of the electric push rod (10) penetrates through the top of the box body (1) and is fixedly connected with the top of the support frame (11); the filtering mechanism comprises a first branch pipe (13), the first branch pipe (13) is positioned on one side of the supporting plate (5), two second branch pipes (14) are fixedly connected to one side of the first branch pipe (13), and the bottoms of the two second branch pipes (14) are fixedly connected with four protective covers (12) through air pipes;
the two second belt pulleys (9) are positioned between the four first belt pulleys (6), and the second belt pulleys (9) are connected with the two first belt pulleys (6) through belts;
the bottom of the rear side of each of the four protective covers (12) is fixedly connected with two inclined pipes (15) through a guide pipe, one ends of the two inclined pipes (15) are fixedly connected with vertical pipes (16), a first through hole is formed in the surface of the bottom of the box body (1), and the bottom ends of the vertical pipes (16) extend into the first through hole;
and a second through hole is formed in the bottom surface of the box body (1), and the second through hole is positioned at the bottom of the first branch pipe (13).
2. The small-scale casting batch dewaxing apparatus of claim 1, wherein: the cross section of the support frame (11) is arranged to be H-shaped, and the four protective covers (12) are evenly distributed at four corners of the front side of the support frame (11).
3. The small-scale casting batch dewaxing apparatus of claim 1, wherein: the cross sections of the four protective covers (12) are all set to be U-shaped, grooves are formed in the bottoms of the four protective covers (12), the positions of the four grooves correspond to the tops of the four turntables (8) respectively, and the inner diameters of the grooves are matched with the diameters of the turntables (8).
4. The small-scale casting batch dewaxing apparatus of claim 1, wherein: the utility model discloses a refrigerator door, including box (1), box (17), slide rail sliding connection, first drawer (18) front side fixedly connected with in front of the box (1) surface inlay and have the chamber door, the chamber door passes through hinge and box (1) swing joint, box (1) bottom fixedly connected with receiver (17), receiver (17) is inside to have first drawer (18) through slide rail sliding connection, receiver (17) are located motor (3) one side.
5. The small-scale casting batch dewaxing apparatus of claim 1, wherein: the water tank is characterized in that a water tank (19) is fixedly connected to the bottom of the tank body (1), a second drawer (20) is connected to the inside of the water tank (19) in a sliding mode through a sliding rail, a second handle is fixedly connected to the front side of the second drawer (20), and the water tank (19) is located on the other side of the motor (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910863790.9A CN110695315B (en) | 2019-09-12 | 2019-09-12 | Small-size casting batch dewaxing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910863790.9A CN110695315B (en) | 2019-09-12 | 2019-09-12 | Small-size casting batch dewaxing device |
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| Publication Number | Publication Date |
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| CN110695315A CN110695315A (en) | 2020-01-17 |
| CN110695315B true CN110695315B (en) | 2021-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910863790.9A Active CN110695315B (en) | 2019-09-12 | 2019-09-12 | Small-size casting batch dewaxing device |
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| CN111644565A (en) * | 2020-06-29 | 2020-09-11 | 马鞍山市万鑫铸造有限公司 | Wax block making equipment in investment casting process |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101143381A (en) * | 2007-10-25 | 2008-03-19 | 大连金煤阀门有限公司 | Titanium alloy fine casting melting method |
| CN206047012U (en) * | 2016-06-12 | 2017-03-29 | 蔡耀名 | The device of dewaxing of ceramic shell |
| CN206335093U (en) * | 2016-12-30 | 2017-07-18 | 龙南新晶钛业有限公司 | A kind of Ti alloy casting is molded dewaxing device |
| CN208033566U (en) * | 2017-11-23 | 2018-11-02 | 成都兴宇精密铸造有限公司 | A kind of small dimension cast casting batch dewaxing device |
| CN208033565U (en) * | 2017-11-23 | 2018-11-02 | 成都兴宇精密铸造有限公司 | Casting shell molds batch dewaxing treatment device |
-
2019
- 2019-09-12 CN CN201910863790.9A patent/CN110695315B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101143381A (en) * | 2007-10-25 | 2008-03-19 | 大连金煤阀门有限公司 | Titanium alloy fine casting melting method |
| CN206047012U (en) * | 2016-06-12 | 2017-03-29 | 蔡耀名 | The device of dewaxing of ceramic shell |
| CN206335093U (en) * | 2016-12-30 | 2017-07-18 | 龙南新晶钛业有限公司 | A kind of Ti alloy casting is molded dewaxing device |
| CN208033566U (en) * | 2017-11-23 | 2018-11-02 | 成都兴宇精密铸造有限公司 | A kind of small dimension cast casting batch dewaxing device |
| CN208033565U (en) * | 2017-11-23 | 2018-11-02 | 成都兴宇精密铸造有限公司 | Casting shell molds batch dewaxing treatment device |
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