Temperature control equipment for shell-making workshop
By using temperature control equipment with refrigeration circulation and heat recovery circulation systems in the shell making workshop, the problem of humidity and temperature instability is solved, and the constant temperature and humidity of the air in the workshop is achieved and energy consumption is reduced.
Patent Information
- Application Number
- CN202420252973.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-01
- Publication Date
- 2025-02-11
- Estimated Expiration
- 2034-02-01
AI Technical Summary
In precision cast shell making workshops, instability in humidity and temperature will cause cracking and falling between the molded shell and wax piece, affecting the quality of shell making, and traditional equipment needs high power consumption heating compensation in winter.
A temperature control device including a refrigeration circulation system and a heat recovery circulation system is designed. The external air is sucked in and cooled down through a fan and air filter device, and then discharged to achieve constant temperature and humidity of the air in the workshop, and through the heat recovery circulation device Reduce energy consumption.
Effectively maintain constant temperature and humidity of the air in the shell making workshop, prevent cracking and falling off of the shell and wax parts, reduce energy consumption and extend the service life of the evaporator.
Smart Images
Figure CN222459682U_ABST
Abstract
Description
[Technical field]
[0001] The utility model relates to the technical field of precision casting, in particular to a temperature control device for a shell making workshop. [Background technology]
[0002] Precision casting is a general term for the process of obtaining castings with precise dimensions. It includes: investment casting, ceramic mold casting, metal mold casting, pressure casting, and lost foam casting.
[0003] Among them, the more commonly used is investment casting, also known as lost wax casting: select suitable investment material (such as paraffin) to make investment pattern; repeat the process of applying refractory coating and sprinkling refractory sand on the investment pattern to harden the shell and dry it; then melt the internal investment pattern to obtain the cavity; bake the shell to obtain sufficient strength and burn off the remaining investment material; pour the required metal material; solidify and cool, remove the sand after shelling, so as to obtain a high-precision finished product.
[0004] Humidity is very important for precision casting shell making workshops. If the relative humidity of the air in the workshop is low, that is, the workshop environment is relatively dry, it will cause cracks or even fall off between the mold shell and the wax parts, affecting the quality of shell making, which will directly affect the quality of the finished product in the later stage.
[0005] In addition, temperature control not only requires humidity control, but also temperature compensation in winter. Traditional equipment requires heating pipes to generate heat to compensate for temperature in winter, and the colder the weather, the higher the power consumption.
[0006] In view of the above problems, the applicant has proposed a solution. [Contents of the utility model]
[0007] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model proposes a shell making workshop temperature control device, the technical solution adopted is:
[0008] A temperature control device for a shell making workshop, comprising a chassis with an inner cavity, an air inlet and an air outlet are provided on the wall of the chassis, a fan and a refrigeration cycle system are provided in the inner cavity of the chassis, the refrigeration cycle system comprises a compressor, a condenser, an expansion valve and an evaporator and pipelines constituting a circular connection of the above components; the fan is used to suck outside air into the inner cavity through the air inlet and then discharge it through the air outlet, and the refrigeration cycle system is used to cool the air in the inner cavity; an air filter device is provided in the inner cavity close to the air inlet, and a cleaning device is also provided in the inner cavity, and the cleaning device is used to clean the evaporator.
[0009] According to a temperature control device for a shell making workshop in an embodiment of the utility model, the cleaning device includes a cleaning pipe built into the steamer, and a water supply device connected to the cleaning pipe to supply water to the cleaning pipe; the cleaning pipe is arranged along the length direction of the evaporator, and a plurality of cleaning water outlets are opened on the cleaning pipe along its length direction.
[0010] According to a temperature control device for a shell making workshop of an embodiment of the utility model, the air filtering device includes an evaporation rack and a plurality of evaporation sheets arranged on the evaporation rack; the cleaning pipe includes a plurality of cleaning pipes arranged in pairs up and down, and the cleaning pipes penetrate the plurality of evaporation sheets.
[0011] According to a shell making workshop temperature control device of an embodiment of the utility model, a cleaning nozzle is provided at the cleaning water outlet.
[0012] According to a temperature control device for a shell making workshop in an embodiment of the utility model, the water supply device includes a water storage tank built into the inner cavity of the chassis, a water supply pump and a water supply pipe.
[0013] According to a temperature control device for a shell making workshop in an embodiment of the utility model, a drainage groove is provided at the bottom of the chassis, and a drainage hole is provided in the drainage groove.
[0014] According to a shell-making workshop temperature control device of an embodiment of the utility model, a heat recovery circulation device is also provided in the inner cavity of the chassis, and the heat recovery circulation device is connected to the refrigeration circulation system.
[0015] According to a temperature control device for a shell making workshop of an embodiment of the utility model, the inner cavity of the chassis is divided into an air duct cavity and an equipment compartment, the air duct cavity includes an air inlet cavity of a lower layer and an air exhaust cavity of an upper layer, the air inlet and the air filter device are located in the air inlet cavity of the lower layer, and the air outlet and the fan are located in the air exhaust cavity of the upper layer; the equipment compartment includes a refrigeration compartment of a lower layer and a recovery compartment of an upper layer, the refrigeration cycle system is located in the refrigeration compartment, and the heat recovery cycle device is located in the recovery compartment.
[0016] Compared with the prior art, the beneficial effects of the utility model are:
[0017] In the utility model, after the air in the shell making workshop is sucked into the inner cavity through the air inlet, the refrigeration cycle system cools the air in the inner cavity and then discharges it through the air outlet. The refrigeration cycle system can regulate the temperature, so that the air in the workshop can maintain a constant temperature and humidity. After the air is sucked in through the air inlet, it is filtered by the air filter device, which can effectively purify the air. The cleaning device can effectively clean the evaporator to prevent dust and dirt from condensing inside the evaporator, which can effectively extend the service life of the evaporator.
Brief Description of the Drawings
[0018] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:
[0019] Figure 1 It is a three-dimensional schematic diagram of an embodiment of the utility model;
[0020] Figure 2 The structure of the embodiment of the utility model is shown in FIG. Figure 1 ;
[0021] Figure 3 The structure of the embodiment of the utility model is shown in FIG. Figure 2 ;
[0022] Figure 4 A three-dimensional schematic diagram of an embodiment of the present utility model Figure 3 ;
[0023] Figure 5 The structure of the embodiment of the utility model is shown in FIG. Figure 4 (partial);
[0024] Figure 6 The structure of the embodiment of the utility model is shown in FIG. Figure 5 (Partial).
[0025] Description of main component symbols:
[0026] 10. Chassis; 20. Air inlet; 30. Air outlet; 40. Fan; 50. Refrigeration cycle system; 60. Cleaning pipe; 61. Water storage tank; 62. Water supply pump; 63. Water supply pipe fittings; 70. Evaporator; 80. Heat recovery cycle device. [Specific implementation method]
[0027] The embodiments of the present invention are described in detail below. The embodiments are shown in the accompanying drawings, wherein the same or similar numbers throughout represent the same or similar elements or elements with the same or similar functions.
[0028] The orientation shown in the drawings cannot be understood as limiting the specific protection scope of the present utility model, and is only provided for reference and understanding of the preferred embodiments. The product components shown in the drawings may be changed in position, increased in number, or simplified in structure.
[0029] The "connection" described in the specification and the mutual "connection" relationship of the components shown in the drawings can be understood as a fixed connection or a detachable connection or an integral connection; it can be a direct connection or a connection through an intermediate medium. Ordinary technicians in this field can understand the connection relationship according to the specific circumstances and can derive different implementation methods in an appropriate manner such as screwing, riveting, welding, clamping or embedding.
[0030] With respect to the directional words such as up, down, left, right, top, bottom, etc. described in the specification and the directions shown in the drawings, the components may be in direct contact or in contact through other features between them; for example, "above" may mean directly above or obliquely above, or it simply means higher than other objects; other directions may be understood by analogy.
[0031] The materials for making parts with solid shapes shown in the specification and the drawings may be metal materials, non-metal materials or other synthetic materials; the mechanical processing techniques used for parts with solid shapes may be stamping, forging, casting, wire cutting, laser cutting, casting, injection molding, CNC milling, 3D printing, machining, etc.; ordinary technicians in this field can adaptively select or combine them according to different processing conditions, costs, and precisions, but are not limited to the above-mentioned materials and manufacturing processes.
[0032] The utility model is a temperature control device for a shell making workshop, such as Figures 1 to 6 As shown, it includes a chassis 10 with an inner cavity, an air inlet 20 and an air outlet 30 are opened on the wall of the chassis 10, and a fan 40 and a refrigeration cycle system 50 are arranged in the inner cavity of the chassis 10. The refrigeration cycle system 50 includes a compressor, a condenser, an expansion valve and an evaporator, and pipelines constituting a circular connection between the above components; the fan 40 is used to suck the outside air into the inner cavity through the air inlet 20 and then discharge it through the air outlet 30, and the refrigeration cycle system 50 is used to cool the air in the inner cavity; an air filter device is provided in the inner cavity close to the air inlet 20, and a cleaning device is also provided in the inner cavity, and the cleaning device is used to clean the evaporator.
[0033] In the utility model, after the air in the shell making workshop is sucked into the inner cavity through the air inlet 20, the refrigeration cycle system 50 cools the air in the inner cavity and then discharges it through the air outlet 30, and the refrigeration cycle system 50 can adjust the temperature, so that the air in the workshop can maintain a constant temperature and humidity; after the air is sucked in through the air inlet 20, it is filtered by the air filter device, which can effectively purify the air, and the cleaning device can effectively clean the evaporator to prevent dust and dirt from condensing inside the evaporator, which can effectively extend the service life of the evaporator.
[0034] Further, in some embodiments of the present utility model application, such as Figure 3 , 4 As shown in , 5 and 6, the cleaning device includes a cleaning pipe 60 built into the steamer, and a water supply device connected to the cleaning pipe 60 to supply water to the cleaning pipe 60; the cleaning pipe 60 is arranged along the length direction of the evaporator, and a plurality of cleaning water outlets are opened on the cleaning pipe 60 along its length direction, and a cleaning nozzle is arranged at the cleaning water outlet. The water supply device includes a water storage tank 61 built into the inner cavity of the chassis 10, a water supply pump 62 and a water supply pipe 63.
[0035] When in use, the water supply pump pumps the water in the water storage tank into the cleaning pipe 60, and then sprays it out from the cleaning nozzle to clean the air filter device. Since the cleaning pipe 60 is built into the air filter device, the dust in the air filter device can be effectively cleaned. Figure 6 As shown, the air filter device includes an evaporation frame and a plurality of evaporation sheets 70 arranged on the evaporation frame; the cleaning pipes 60 include a plurality of cleaning pipes 60 arranged in pairs up and down, and the cleaning pipes 60 are arranged through the plurality of evaporation sheets 70.
[0036] In order to smoothly discharge the cleaning wastewater, in some embodiments of the present utility model application, a drainage groove is provided at the bottom of the chassis 10, and a drainage hole is provided in the drainage groove.
[0037] In order to further improve energy consumption, in some embodiments of the present utility model application, such as Figure 2 , 3 As shown in FIG. 4 , a heat recovery circulation device 80 is also provided in the inner cavity of the chassis 10. The heat recovery circulation device 80 is connected to the refrigeration circulation system 50. The waste heat of the compressor in the refrigeration circulation system 50 is recovered by the heat recovery circulation device. When the indoor humidity is still within the set range and the indoor temperature is lower than the set temperature value, the compressor continues to work, and the heat recovery circulation device is started to recover the heat generated by the compressor and dissipate the heat to perform temperature compensation to achieve constant temperature, thereby greatly reducing energy consumption. In the embodiment, a temperature control device can reduce energy consumption by tens of kilowatts.
[0038] In order to make the structure of the temperature control device more compact and improve space utilization, in some embodiments of the present utility model application, such as Figure 2 , 3 As shown in Figure 4, the inner cavity of the chassis 10 is divided into an air duct cavity and an equipment compartment. The air duct cavity includes an air inlet cavity at a lower layer and an air exhaust cavity at an upper layer. The air inlet 20 and the air filter device are located in the air inlet cavity at the lower layer, and the air outlet 30 and the fan 40 are located in the air exhaust cavity at the upper layer. The equipment compartment includes a refrigeration compartment at a lower layer and a recovery compartment at an upper layer. The refrigeration cycle system 50 is located in the refrigeration compartment, and the heat recovery cycle device 80 is located in the recovery compartment.
[0039] Although the utility model is described in detail with reference to the above embodiments, it is obvious to those skilled in the art through this disclosure that various changes or modifications can be made to the utility model without departing from the principle and spirit of the utility model defined by the claims. Therefore, the detailed description of the embodiments of the present disclosure is only used to explain, not to limit the utility model, but the scope of protection is limited by the content of the claims.
Claims
1. A temperature control device for a shell making workshop, characterized in that: The invention comprises a case (10) having an inner cavity, an air inlet (20) and an air outlet (30) being provided on the wall of the case (10), a fan (40) and a refrigeration cycle system (50) being provided in the inner cavity of the case (10), the refrigeration cycle system (50) comprising a compressor, a condenser, an expansion valve and an evaporator, and pipelines constituting a cyclic connection between the above components; the fan (40) is used to suck outside air into the inner cavity through the air inlet (20) and then discharge it through the air outlet (30), and the refrigeration cycle system (50) is used to cool the air in the inner cavity; an air filter device is provided in the inner cavity close to the air inlet (20), and a cleaning device is also provided in the inner cavity, and the cleaning device is used to clean the evaporator.
2. The shell making workshop temperature control equipment according to claim 1, characterized in that: The cleaning device comprises a cleaning pipe (60) built into the steamer, and a water supply device connected to the cleaning pipe (60) for supplying water to the cleaning pipe (60); the cleaning pipe (60) is arranged along the length direction of the evaporator, and a plurality of cleaning water outlets are provided on the cleaning pipe (60) along the length direction thereof.
3. The shell making workshop temperature control equipment according to claim 2, characterized in that: The air filter device comprises an evaporation frame and a plurality of evaporation sheets (70) arranged on the evaporation frame; the cleaning pipes (60) comprise a plurality of pipes arranged in pairs vertically and spaced apart, and the cleaning pipes (60) are arranged to penetrate the plurality of evaporation sheets (70).
4. The shell making workshop temperature control equipment according to claim 2, characterized in that: A cleaning nozzle is provided at the cleaning water outlet.
5. The shell making workshop temperature control equipment according to claim 2, characterized in that: The water supply device comprises a water storage tank (61) built into the inner cavity of the case (10), a water supply pump (62) and a water supply pipe (63).
6. The shell making workshop temperature control equipment according to claim 2, characterized in that: A drainage groove is provided at the bottom of the chassis (10), and a drainage hole is provided in the drainage groove.
7. The shell making workshop temperature control equipment according to claim 1, characterized in that: A heat recovery circulation device (80) is also provided in the inner cavity of the chassis (10), and the heat recovery circulation device (80) is connected to the refrigeration circulation system (50).
8. The shell making workshop temperature control device according to claim 7, characterized in that: The inner cavity of the chassis (10) is divided into an air duct cavity and an equipment compartment, the air duct cavity includes a lower air inlet cavity and an upper air exhaust cavity, the air inlet (20) and the air filter device are located in the lower air inlet cavity, and the air outlet (30) and the fan (40) are located in the upper air exhaust cavity; the equipment compartment includes a lower refrigeration compartment and an upper recovery compartment, the refrigeration cycle system (50) is located in the refrigeration compartment, and the heat recovery cycle device (80) is located in the recovery compartment.