Drying equipment for lost foam casting model
By introducing an electric cylinder-driven lifting structure and an adjustable guide pipe into the drying equipment for lost foam casting models, the problem of uneven model drying was solved, realizing automated adjustment and uniform drying of models of different heights, thus improving drying efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-09
- Publication Date
- 2026-03-31
AI Technical Summary
In the existing lost foam casting process, the lower parts of the model tend to dry unevenly, and traditional drying equipment cannot effectively adjust the height, resulting in low drying efficiency.
A drying device comprising a base, main shaft, motor, connecting pipe, dryer shell, and airflow circulation fan was designed. The device achieves uniform drying of models of different heights by using an electric cylinder to drive the lifting and lowering of the dryer shell and the shape adjustment of the guide pipe, thereby expanding the drying range and optimizing the airflow distribution.
It achieves automated adjustment and uniform drying of models of different heights, improves drying efficiency, avoids uneven drying of local models, and enhances the overall drying effect.
Smart Images
Figure CN224058649U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of lost foam casting technology, in particular to a drying equipment for lost foam casting model. BACKGROUND
[0002] Lost foam casting (also known as full mold casting) is a new casting method that a paraffin or foam model similar in size and shape to the casting is bonded and combined into a model cluster, coated with refractory paint and dried, then buried in dry quartz sand for vibration molding, poured under negative pressure, the model is gasified, liquid metal occupies the model position, and the casting is formed after solidification and cooling.
[0003] The lost foam casting model needs to be dried during the processing process. The traditional drying method is to place the model in the drying room and use the desktop dryer in combination with the dehumidification system of the drying room. However, the existing dryer can only adjust the angle, and it is difficult to dry the models at different heights, especially the models at low positions, resulting in uneven drying of the models, which needs to be improved. SUMMARY
[0004] The utility model aims at providing a drying equipment for lost foam casting model to solve the problem of uneven drying of models at low positions as mentioned in the background.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a drying equipment for lost foam casting model, including base, the base is located on the ground, the base is rotatably connected with main shaft, one side of main shaft is drivingly connected with motor, the top of main shaft is connected with connecting pipe, the top of connecting pipe is connected with telescopic pipe, the top of connecting pipe is provided with dryer shell, the top side of connecting pipe is fixedly connected with electric cylinder, the top of electric cylinder is fixedly connected with the outer wall of dryer shell, the inside of dryer shell is provided with circulation channel, the inside of circulation channel is provided with air flow circulation fan, the bottom of circulation channel is connected with telescopic pipe, the both sides of dryer shell are provided with first drying assembly, second drying assembly and third drying assembly.
[0006] Preferably, the both sides of the connecting pipe are fixedly connected with flow guide pipes made of high-temperature resistant material, and the inner walls of the flow guide pipes are fixedly connected with iron wires.
[0007] Preferably, the dryer shell and the electric cylinder constitute a lifting structure, the outer wall of the dryer shell is provided with a groove, and the groove is symmetrically distributed about the bisecting line of the dryer shell.
[0008] Preferably, a group of first drying assemblies, second drying assemblies and third drying assemblies are arranged in the grooves on the both sides of the dryer shell, and the second drying assemblies and the third drying assemblies are identical in structure to the first drying assemblies.
[0009] Preferably, the first drying assembly comprises a fan installed in a groove of the drying machine shell, a heating pipe is arranged on one side of the fan, and a blocking net is arranged on one side of the heating pipe.
[0010] Preferably, the outer wall of the main shaft is sleeved with a belt, one side of the belt is connected with a motor, and the motor is fixed to the ground through a support.
[0011] Preferably, the first drying assembly is provided with a second drying assembly at the bottom, and the second drying assembly is provided with a third drying assembly at the bottom.
[0012] Compared with the prior art, the device has the advantages that:
[0013] (1) The device can realize automatic height adjustment, expand the drying range, realize airflow circulation, avoid uneven drying of models at low positions, and improve model drying efficiency.
[0014] (2) The device is provided with an electric cylinder on the connecting pipe at the top of the base, the electric cylinder can push the height of the drying machine shell to realize automatic adjustment, so that the first drying assembly, the second drying assembly and the third drying assembly in the drying machine shell move synchronously to dry models of different heights, and the circulation channel in the drying machine shell, the connecting pipe and the telescopic pipe can guide the heat downward, thereby avoiding the phenomenon of uneven drying of models caused by too high heat at the top.
[0015] (3) The device is provided with a guide pipe on both sides of the connecting pipe, and an iron wire is arranged on the inner wall of the guide pipe to bend and adjust the shape of the guide pipe, so that the guide pipe guides the heat to the required area, avoids the heat airflow from impacting the model, and improves the model drying efficiency. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a drying equipment structure diagram of the lost foam casting model of the utility model;
[0017] Figure 2 It is a drying machine shell top view of the drying equipment of the lost foam casting model of the utility model;
[0018] Figure 3 It is a drying machine shell side view of the drying equipment of the lost foam casting model of the utility model;
[0019] Figure 4 It is a drying machine shell side view of the drying equipment of the lost foam casting model of the utility model; Figure 1 It is an enlarged view of A in the middle.
[0020] In the figure: 1, dryer shell; 2, air circulation fan; 3, circulation channel; 4, first drying assembly; 41, intercepting net; 42, heating pipe; 43, fan; 5, second drying assembly; 6, third drying assembly; 7, flow guide pipe; 8, connecting pipe; 9, telescopic pipe; 10, main shaft; 11, base; 12, electric cylinder; 13, belt; 14, motor; 15, iron wire. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0022] Please refer to Figures 1-4The utility model provides a technical scheme: a kind of dry equipment of lost foam casting model, including base 11, base 11 is located on ground, base 11 can use bolt to fix ground, main shaft 10 is rotatably connected on base 11, motor 14 is connected on one side of main shaft 10, the top of main shaft 10 is connected with connecting pipe 8, connecting pipe 8 both sides are fixedly connected with flow guide pipe 7, flow guide pipe 7 is high-temperature resistant material, iron wire 15 is fixedly connected in flow guide pipe 7 inner wall, the flow guide pipe 7 of this structure can be high-temperature resistant rubber tube, inner wall is laid iron wire 15, so flow guide pipe 7 can be bent to present multiple shapes, it is convenient to adjust the direction of air flow, avoid air flow direct impact model, connecting pipe 8 is metal material, can guarantee the bearing capacity of dryer shell 1, the outer wall of the shaft of main shaft 10 is equipped with belt 13, one side of belt 13 is connected with motor 14, and it is fixed on ground by support, the base 11 of this structure is placed on the ground inside drying room during use, motor 14 is fixed on the ground outside drying room, belt 13 is installed by underground space, or using box body to fill installation, guarantee the normal operation of belt 13, the inside of main shaft 10 can be hollow structure, for the layout of cable in the device, so as to ensure power supply demand under not affecting the rotation of the device, connecting pipe 8 top is connected with flexible pipe 9, connecting pipe 8 top is provided with dryer shell 1, dryer shell 1 and electric cylinder 12 constitute lifting structure, the outer wall of dryer shell 1 is provided with recess, recess is about the left and right symmetrical distribution of the bisecting line of dryer shell 1, this structure can promote dryer shell 1 automatic lifting by electric cylinder 12, so that dryer shell 1 can also be dried at higher position and lower position, expand drying range, each group of first drying assembly 4, second drying assembly 5 and third drying assembly 6 is arranged in the recess of the both sides of dryer shell 1, second drying assembly 5 and third drying assembly 6 are same with first drying assembly 4 structure, first drying assembly 4 includes fan 43 installed in the recess of dryer shell 1, heating pipe 42 is provided on one side of fan 43, intercepting net 41 is provided on one side of heating pipe 42, this structure can diffuse the heat generated by heating pipe 42 by fan 43, dust in air can be intercepted by intercepting net 41, second drying assembly 5 is provided at the bottom of first drying assembly 4, third drying assembly 6 is provided at the bottom of second drying assembly 5, this structure can dry different height models by setting first drying assembly 4, second drying assembly 5 and third drying assembly 6, increase the range of drying, expand the range of height, electric cylinder 12 is fixedly connected on the top side of connecting pipe 8, the top of electric cylinder 12 is fixedly connected with the outer wall of dryer shell 1, circulation channel 3 is arranged in dryer shell 1, airflow circulation fan 2 is arranged in circulation channel 3, circulation channel 3 bottom is connected with flexible pipe 9, the both sides of dryer shell 1 are provided with first drying assembly 4, second drying assembly 5 and third drying assembly 6, the flexible pipe 9 of the device is high-temperature resistant bellows, so as to cooperate with dryer shell 1 to stretch and shrink,At the same time, the conveying of standing is not affected, the air flow at the top can be guided downward through the circulation channel 3 and then flow to both sides through the connecting pipe 8, so that the air flow is more reasonable, and the drying efficiency is improved.
[0023] Working principle: when using the drying equipment of the lost foam casting model, first, the base 11 of the device is fixedly installed on the ground of the drying room, the belt 13 is pre-buried underground, one end of the belt 13 is connected with the motor 14, then the flow guide pipe 7 is bent and adjusted according to the position of the model core, so that the outlet position of the flow guide pipe 7 avoids the model position, and in the use process of the device, the motor 14 drives the main shaft 10 and the connecting pipe 8 to rotate through the belt 13, so that the drying machine shell 1 at the top of the connecting pipe 8 rotates synchronously, in the rotating process, the first drying assembly 4, the second drying assembly 5 and the third drying assembly 6 in the drying machine shell 1 uniformly dry the model, at the same time, the electric cylinder 12 pushes the drying machine shell 1 to automatically lift, and in the drying process, the air circulation fan 2 starts to drive the heat at the top of the drying room to flow out from one side of the flow guide pipe 7 through the circulation channel 3, the telescopic pipe 9 and the connecting pipe 8, so that the model is uniformly dried, and the drying efficiency is improved.
[0024] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A drying apparatus for lost foam casting models, comprising a base (11) which lies on the ground, characterised in that: The base (11) is rotatably connected with a main shaft (10), one side of the main shaft (10) is drivingly connected with a motor (14), the top end of the main shaft (10) is connected with a connecting pipe (8), the top of the connecting pipe (8) is connected with an extension pipe (9), the top of the connecting pipe (8) is provided with a dryer shell (1), the top side of the connecting pipe (8) is fixedly connected with an electric cylinder (12), the top end of the electric cylinder (12) is fixedly connected with the outer wall of the dryer shell (1), the inside of the dryer shell (1) is provided with a circulating channel (3), the inside of the circulating channel (3) is provided with an airflow circulating fan (2), the bottom of the circulating channel (3) is connected with the extension pipe (9), and the two sides of the dryer shell (1) are provided with a first drying assembly (4), a second drying assembly (5) and a third drying assembly (6).
2. An apparatus for drying an EPC model according to claim 1, characterized in that: The connecting pipe (8) is fixedly connected with a flow guide pipe (7) on both sides, the flow guide pipe (7) is made of high-temperature-resistant material, and the inner wall of the flow guide pipe (7) is fixedly connected with a wire (15).
3. The drying apparatus of an EPC model according to claim 1, wherein: The dryer shell (1) and the electric cylinder (12) form a lifting structure, and the outer wall of the dryer shell (1) is provided with a groove, and the groove is symmetrically distributed about the bisector of the dryer shell (1).
4. The drying apparatus of an EPC model according to claim 1, wherein: A set of first drying assemblies (4), second drying assemblies (5) and third drying assemblies (6) are arranged in the grooves on the two sides of the dryer shell (1), and the second drying assemblies (5) and the third drying assemblies (6) are the same as the first drying assemblies (4) in structure.
5. The drying apparatus of an EPC model according to claim 1, wherein: The first drying assembly (4) comprises a fan (43) mounted in the groove of the dryer shell (1), a heating pipe (42) is arranged on one side of the fan (43), and an intercepting net (41) is arranged on one side of the heating pipe (42).
6. The drying apparatus of an EPC model according to claim 1, wherein: The outer wall of the main shaft (10) is sleeved with a belt (13), one side of the belt (13) is connected with the motor (14), and the motor (14) is fixed to the ground through a support.
7. The drying apparatus of an EPC model according to claim 1, characterized in that: The bottom of the first drying assembly (4) is provided with the second drying assembly (5), and the bottom of the second drying assembly (5) is provided with the third drying assembly (6).