Rapid sand cooling device for resin sand casting

Abstract

The utility model relates to the technical field of resin sand casting, in particular to a rapid sand cooling device for resin sand casting, which comprises a bottom frame, a circular horizontal tank with an open top is fixedly mounted at the top of the bottom frame, and a rotatable water jacket roller transversely penetrates through the circular horizontal tank with the open top. The water jacket roller is connected with a heat conduction conveying helical ribbon capable of making contact with the inner wall of the circular horizontal tank with the open top, the two ends of the circular horizontal tank with the open top are arranged to be a feeding end and a discharging end respectively, a discharging port is formed in the bottom of the discharging end, the liquid supply mechanism supplies cooling liquid for the water jacket roller from the discharging end, and the driving mechanism drives the water jacket roller to rotate. The cooling device has two cooling modes of natural wind heat dissipation and liquid cooling heat exchange, and the cooling effect of sand is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to resin sand casting technical field, concretely is a kind of sand quick cooling device for resin sand casting. BACKGROUND

[0002] Resin sand refers to the sand or core sand with artificial synthetic resin as the binder of sand particle. After resin sand is made into casting mold or core, through the action of solidifying agent, resin solidifies by irreversible crosslinking reaction, thereby giving casting mold or core with necessary strength, resin sand can be repeatedly used in resin sand casting process, by searching, the patent with publication number CN106077451A discloses a quick cooling device for sand of lost foam production line, sand cooling metal pipe is directly arranged in cooling water tank, sand cooling metal pipe has good heat conduction performance, directly transfers the heat of sand to cooling water in cooling water tank, cooling water in cooling water tank keeps circulating flow by water pump, sand in sand cooling metal pipe can be cooled to about 25 DEG C, sand can be cooled to recyclable temperature by once cooling process, in this way, the cooling of sand relies on heat exchange of cooling metal pipe entirely, and the heat exchange burden of water cooling is heavy, therefore, design a kind of sand quick cooling device for resin sand casting, which has natural wind heat dissipation and liquid cooling heat exchange two cooling forms, improves the cooling effect of sand. SUMMARY

[0003] (I) technical problem solved

[0004] In view of the deficiencies in the prior art, the utility model provides a kind of sand quick cooling device for resin sand casting, and it has natural wind heat dissipation and liquid cooling heat exchange two cooling forms, improves the cooling effect of sand.

[0005] (II) technical scheme

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of sand quick cooling device for resin sand casting, including chassis, the top of the chassis is fixedly installed with the top open round horizontal tank, the water jacket roller that can rotate is horizontally passed through in the top open round horizontal tank, the water jacket roller is provided with the heat conduction conveying screw belt that can be contacted with the inner wall of top open round horizontal tank, the two ends of top open round horizontal tank are respectively arranged as feeding end and discharge end, discharge end bottom is provided with discharge port, further including the liquid supply mechanism for water jacket roller cooling liquid from discharge end and the driving mechanism of driving water jacket roller rotation.

[0007] Preferably, the water jacket roller is fixedly connected with the heat insulation shaft at the middle position in the inside by multiple connecting columns.

[0008] Preferably, the liquid supply mechanism comprises a cooling liquid tank fixedly installed on the chassis and located below the top-opened round horizontal tank, and a pressurizing pump, an input end of the pressurizing pump being in communication with the bottom of the cooling liquid tank, and an output end of the pressurizing pump being in sealed rotary communication with the water jacket roller through a communication pipe.

[0009] Preferably, a heat dissipation tank is further fixedly installed above the cooling liquid tank, and the other end of the water jacket roller is also in sealed rotary connection with a communication pipe fixedly connected with the heat dissipation tank, the heat dissipation tank being in communication with the top of the cooling liquid tank through a liquid supplementing pipe, and a thermometer and an electromagnetic valve being installed on the liquid supplementing pipe.

[0010] Preferably, a clamp is arranged on the communication pipe, and the clamp is fixedly connected with the top-opened round horizontal tank.

[0011] Preferably, the driving mechanism is arranged on the feeding end side, and the driving mechanism comprises a driving motor fixedly installed above the cooling liquid tank, and an output shaft of the driving motor being in driving connection with the water jacket roller through a transmission assembly.

[0012] Preferably, a baffle is fixedly installed on the inner top of the top-opened round horizontal tank, and the baffle is close to the feeding end side of the top-opened round horizontal tank.

[0013] (Three) beneficial effects

[0014] Compared with the prior art, the resin sand casting sand rapid cooling device has the following beneficial effects:

[0015] The resin sand casting sand rapid cooling device has the following beneficial effects: the driving mechanism drives the water jacket roller and the heat-conducting conveying spiral belt to stir as a whole, and the sand at the feeding end is transported to the discharging end, the sand is cooled by the natural wind during the transportation, and the water jacket roller is supplied with cooling liquid from the discharging end by the liquid supply mechanism during the cooling by the natural wind, so that the cooling liquid conducts heat with the sand through the water jacket roller, the sand is cooled by the cooling liquid, the temperature of the sand becomes lower and lower as the sand moves to the discharging end, and finally the cooled sand is discharged through the discharge port. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structure schematic view of the whole utility model;

[0017] Figure 2 It is a structure schematic view of the whole utility model from another perspective;

[0018] Figure 3The utility model discloses a top open round horizontal tank, water jacket roller and liquid supply mechanism cooperation structure schematic view.

[0019] Figure 4 The utility model discloses a top open round horizontal tank, water jacket roller and heat insulation shaft cooperation partial section structure schematic view.

[0020] Marked in drawing: 1, bottom bracket;2, top open round horizontal tank;3, water jacket roller;4, heat conduction conveying spiral band;5, discharge port;6, baffle;7, drive motor;8, transmission assembly;9, cooling liquid tank;10, heat dissipation tank;11, liquid supplementing pipe;12, pressurizing pump;13, communication pipe;14, clamp;15, thermometer;16, electromagnetic valve;17, heat insulation shaft. Specific implementation

[0021] The technical scheme in the embodiments of the utility model will be apparently and completely described below with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative work belong to the range of the utility model protection.

[0022] Embodiment:

[0023] Please refer to Figures 1-4 A sand rapid cooling device for resin sand casting, including bottom bracket 1, the top of bottom bracket 1 is fixedly installed with top open round horizontal tank 2, the transverse through of top open round horizontal tank 2 is fixedly connected with water jacket roller 3 that can rotate, water jacket roller 3 is fixedly connected with heat conduction conveying spiral band 4 that can contact with the inner wall of top open round horizontal tank 2, the both ends of top open round horizontal tank 2 are respectively arranged as feeding end and discharge end, the bottom of discharge end is provided with discharge port 5, and the device further comprises a liquid supply mechanism for supplying cooling liquid to water jacket roller 3 from the discharge end and a driving mechanism for driving water jacket roller 3 to rotate.

[0024] Specifically, the heat insulation shaft 17 is fixedly connected to the middle position of the water jacket roller 3 by a plurality of connecting columns, the cooling liquid is as close as possible to the inner wall of the water jacket roller 3 through the arrangement of the heat insulation shaft 17, so as to improve the heat exchange effect of the cooling liquid, and further, the heat insulation shaft 17 is made of hollow material to reduce the cost.

[0025] Specifically, the liquid supply mechanism includes a cooling liquid tank 9 and a pressurizing pump 12, which are fixedly installed on the bottom bracket 1 and located below the top open round horizontal tank 2, the input end of the pressurizing pump 12 is in communication with the bottom of the cooling liquid tank 9, and the output end of the pressurizing pump 12 is in sealed rotary communication with the water jacket roller 3 on the discharge end side through the communication pipe 13, the cooling liquid in the cooling liquid tank 9 is conveniently added to the water jacket roller 3 by starting the pressurizing pump 12, and the heat exchange between the water jacket roller 3 and the sand is facilitated.

[0026] Specifically, the heat dissipation tank 10 is fixedly installed above the cooling liquid tank 9, the other end of the water jacket roller 3 is also sealingly and rotatably connected with a communication pipe 13 which is fixedly communicated with the heat dissipation tank 10, the heat dissipation tank 10 is communicated with the top of the cooling liquid tank 9 through a liquid supplement pipe 11, a thermometer 15 and an electromagnetic valve 16 are installed on the liquid supplement pipe 11, through the arrangement of the heat dissipation tank 10, the cooling liquid discharged through the water jacket roller 3 can be conveniently cooled again and re-poured into the cooling liquid tank 9 through the liquid supplement pipe 11 for repeated use, thereby improving the utilization rate of the cooling liquid, through the arrangement of the thermometer 15 and the electromagnetic valve 16, when the cooling liquid in the heat dissipation tank 10 reaches a certain temperature, the electromagnetic valve 16 is opened to re-lead the cooling liquid into the cooling liquid tank 9, further, a liquid inlet is arranged on the heat dissipation tank 10, and a sealing plug is arranged at the liquid inlet.

[0027] Specifically, the communication pipe 13 is provided with a clamp 14 which is fixedly connected with the top-opened round horizontal tank 2, and the clamp 14 is used to support the communication pipe 13 and increase the stability of the structure.

[0028] Specifically, the driving mechanism is arranged on the feeding end side, the driving mechanism comprises a driving motor 7 which is fixedly installed above the cooling liquid tank 9, the output shaft of the driving motor 7 is drivingly connected with the water jacket roller 3 through a transmission assembly 8, further, the transmission assembly 8 can be arranged in the form of a chain wheel and chain or a belt and belt wheel, and the transmission assembly 8 is preferably arranged in the form of a chain wheel and chain, the driving motor 7 is started, and the water jacket roller 3 is driven to rotate through the transmission of the transmission assembly 8.

[0029] Specifically, the inner top of the top-opened round horizontal tank 2 is fixedly installed with a baffle 6 which is close to the feeding end side of the top-opened round horizontal tank 2, through the arrangement of the baffle 6, the sand can be conveniently introduced into the top-opened round horizontal tank 2 from the feeding end side of the baffle 6 and the top-opened round horizontal tank 2, thereby reducing the situation that the sand occupies a relatively long length of the top-opened round horizontal tank 2 and causes a relatively short cooling time, and further ensuring the cooling time of the sand.

[0030] In use, the sand is poured into the top-opened round horizontal tank 2 from the feeding end, and the driving mechanism and the liquid supply mechanism are started at the same time, the driving mechanism drives the water jacket roller 3 and the heat-conducting conveying spiral belt 4 to rotate as a whole, so as to transport the sand from the feeding end to the discharging end, in the process of transportation, the sand is cooled by natural wind from the top, the liquid supply mechanism transports the cooling liquid into the water jacket roller 3 from the discharging end, so that the sand at the bottom exchanges heat with the cooling liquid through the water jacket roller 3, and finally the cooled sand is discharged from the discharge port 5.

[0031] It should be noted that the use of "a" or "an" or "the" or similar referents in the specification are used inclusively and in the discretion of the author and not by way of limitation, unless otherwise clear by context. It should also be noted that, as used in the specification, "about" or "approximately" means ±10% of the value stated, unless otherwise clear from context.

[0032] It will be readily understood that the terms "on", "above", and "over", in the disclosure, are to be construed in the widest sense and encompass both directly on, above or over, as well as indirectly on, above or over with intervening features or layers therebetween. The terms "above" or "over" are to be construed in the widest sense and encompass both directly above or over, as well as indirectly above or over without intervening features or layers therebetween (i.e., directly on).

[0033] In addition, spatially relative terms, such as "beneath", "below", "lower", "above", "upper" and the like, can be used herein for ease of description to describe one element or feature's relationship to another element(s) or feature(s) as illustrated in the figures. The spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientations depicted in the figures. The devices can be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

[0034] It should be noted that, as used in the present disclosure, relational terms such as "first" and "second", and the like, are used solely to distinguish one from another entity or action without necessarily requiring or implying any actual relationship or order between or among such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0035] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A rapid cooling device for resin sand casting, characterized in that: The utility model provides a kind of cooling device of rotary drum, including chassis (1), the top of chassis (1) is fixedly installed with top open round horizontal tank (2), the water jacket roller (3) of being rotatable is passed through in the top open round horizontal tank (2) and is transversely arranged, the heat-conducting conveying spiral band (4) that can be contacted with the inner wall of top open round horizontal tank (2) is provided on the water jacket roller (3), the two ends of top open round horizontal tank (2) are respectively arranged as feeding end and discharge end, the bottom of discharge end is provided with discharge port (5), further including the liquid supply mechanism for water jacket roller (3) from discharge end and the driving mechanism of driving water jacket roller (3) rotation.

2. The resin sand casting sand rapid cooling device according to claim 1, characterized by: The heat-insulating shaft (17) is fixedly connected to the inner middle position of the water jacket roller (3) by a plurality of connecting columns.

3. The resin sand casting sand rapid cooling device according to claim 2, characterized by: The liquid supply mechanism includes a cooling liquid tank (9) and a pressurizing pump (12) fixedly installed on the chassis (1) below the top open round horizontal tank (2), the input end of the pressurizing pump (12) is in communication with the bottom of the cooling liquid tank (9), and the output end of the pressurizing pump (12) is in sealed rotary communication with the water jacket roller (3) on the discharge end side through a communication pipe (13).

4. The resin sand casting sand rapid cooling device according to claim 3, characterized by: Further comprising a heat dissipation tank (10) fixedly installed above the cooling liquid tank (9), the other end of the water jacket roller (3) is also sealingly rotatably connected to the communication pipe (13) fixedly communicated with the heat dissipation tank (10), the heat dissipation tank (10) is in communication with the top of the cooling liquid tank (9) through a liquid supplementing pipe (11), and a thermometer (15) and an electromagnetic valve (16) are installed on the liquid supplementing pipe (11).

5. The resin sand casting sand rapid cooling device according to claim 4, characterized by: The communication pipe (13) is provided with a clamp (14) fixedly connected with the top open round horizontal tank (2).

6. The resin sand casting sand rapid cooling device according to claim 5, characterized by: The driving mechanism is arranged on the feeding end side, and the driving mechanism includes a driving motor (7) fixedly installed above the cooling liquid tank (9), and the output shaft of the driving motor (7) is drivingly connected to the water jacket roller (3) through a transmission assembly (8).

7. The resin sand casting sand rapid cooling device according to claim 6, characterized by: The inner top of the top open round horizontal tank (2) is fixedly installed with a baffle (6) close to the feeding end side of the top open round horizontal tank (2).

Images