A lost foam three-dimensional drying room

Abstract

This invention provides a three-dimensional drying chamber for lost foam casting, relating to the field of lost foam casting drying technology. It includes a steel frame structure, with a moving track bolted to the bottom of the frame. The moving track is equipped with a pick-and-place mechanism, and limiting damping mechanisms at both ends. A heating mechanism is mounted on the frame, and an auxiliary cleaning mechanism is located on the side of the frame. The auxiliary cleaning mechanism includes a cleaning platform bolted to the side of the frame, a support frame fixedly connected to the platform, a cleaning structure on the support frame, and an adsorption structure on the side of the support frame. This invention solves the technical problem of the lack of a cleaning mechanism for melted residue in lost foam casting drying chambers.

Description

Technical Field

[0001] This invention belongs to the field of lost foam drying technology, specifically relating to a three-dimensional drying chamber for lost foam. Background Technology

[0002] Lost foam casting is a new type of molding process material used in the casting field. Its core principle is to use foam plastic models (including gating systems) to replace traditional wooden or metal models, and to produce castings through specific processes. It has the characteristics of low density, light weight, easy molding, and high dimensional accuracy. When using lost foam casting, the model needs to be surface treated and dried.

[0003] A search revealed that a utility model patent with publication number CN222919010U proposes an air-powered drying chamber for lost foam casting. This patent utilizes air energy to heat the lost foam casting, achieving uniform heating. However, some of the lost foam casting may melt during the heating process due to excessively high temperatures. The melted residue adheres to the heating mechanism. The aforementioned lost foam casting drying chamber lacks a function to clean the heating mechanism of the lost foam casting, making it impossible to treat the melted residue. Summary of the Invention

[0004] The present invention provides a lost foam three-dimensional drying chamber to solve at least one of the technical problems mentioned above.

[0005] To solve the above-mentioned technical problems, the present invention discloses a three-dimensional drying room for lost foam casting, including a steel structure frame, a moving track bolted to the bottom of the steel structure frame, a picking and placing mechanism on the moving track, a limiting damping mechanism at both ends of the moving track, a heating mechanism on the steel structure frame, and an auxiliary cleaning mechanism on the side of the steel structure frame.

[0006] The heating mechanism includes several heating chambers, which are arranged on a steel frame. Each heating chamber contains a heating structure and a sealing structure. Several suction pipes are arranged longitudinally on the rear side of the steel frame. The suction pipes are connected to the steel frame by pipe clamps and bolts. A main pipe is located on the right side of the steel frame. One end of each suction pipe is connected to the main pipe. A suction fan is bolted to the bottom of the main pipe.

[0007] The auxiliary cleaning mechanism includes a cleaning platform, which is bolted to the side of the steel structure frame. A support frame is fixedly connected to the cleaning platform, and a sweeping structure is provided on the support frame. An adsorption structure is provided on the side of the support frame.

[0008] Preferably, the picking and placing mechanism includes a movable chassis, which is located above the movable track. A drive motor is bolted to the movable chassis. Track shafts are symmetrically arranged at the bottom of the movable chassis. The track shafts pass through and are rotatably connected to the movable chassis. Track wheels are bolted to both ends of the track shafts. The track wheels are rotatably connected to the movable track. The drive motor is connected to the center of the track shafts through a transmission structure. A lifting structure is provided above the movable chassis.

[0009] Preferably, the lifting structure includes a lifting frame, a crossbar slidably connected to the top of the lifting frame, both ends of the crossbar being bolted to one side of the steel structure frame, a lead screw rod inside the lifting frame, the lead screw rod passing through and rotatably connected to the lifting frame, a lifting motor at the top of the lifting frame, the output end of the lifting motor being connected to the top of the lead screw rod, a load-bearing slide table slidably connected inside the lifting frame, the lead screw rod passing through and threadedly connected to the load-bearing slide table, and a push-pull structure on the load-bearing slide table.

[0010] Preferably, the push-pull structure includes two push-pull rods, which are slidably connected in two push-pull grooves. The two push-pull grooves are symmetrically arranged on the bearing slide. An electric telescopic push rod is provided between the two push-pull grooves. The electric telescopic push rod is nested and fixed on the bearing slide. The working end of the electric telescopic push rod is bolted to the push-pull rod. Limiting baffles are fixedly connected to both push-pull rods. Electromagnets are provided on both push-pull rods.

[0011] Preferably, the limiting damping mechanism includes two damping plates, which are bolted to both ends of the moving track. Damping sleeves are symmetrically arranged on both damping plates. A damper is provided inside the damping sleeve and bolted to the damping plate. A collision cap is fitted on the working end of the damper and is slidably connected inside the damping sleeve. An elastic compression member is provided between the collision cap and the damping sleeve.

[0012] Preferably, the heating structure includes a microwave emitting structure bolted to the heating chamber. A partition is bolted to the top of the heating chamber, and a metal stirring fan is provided above the partition. The metal stirring fan is rotatably connected to the partition. A micro motor is bolted to the top of the heating chamber, and the output end of the micro motor is fixedly connected to the metal stirring fan. Several through holes are provided on the partition. A suction branch pipe is provided at the top of the microwave emitting structure. The suction branch pipe passes through and is bolted to the heating chamber. The suction branch pipe is connected to the suction horizontal pipe.

[0013] Preferably, the closed structure includes a closed plate, a sliding plate fixedly connected to the side of the closed plate, closed grooves provided on both sides of the heating chamber, the sliding plate being slidably connected to the closed grooves on both sides, and a push-pull groove provided below the closed grooves.

[0014] Preferably, the cleaning structure includes a cleaning rotating seat, which is fixedly connected to the bottom of the support frame. A rotating rod is rotatably connected to the cleaning rotating seat. A rotating motor is provided on one side of the cleaning rotating seat. The output end of the rotating motor is connected to the rotating rod. A cleaning grinding sleeve is fitted on the rotating rod. A limit bolt is threaded to the end of the rotating rod away from the rotating motor.

[0015] Preferably, the adsorption structure includes a support sleeve bolted to the cleaning platform, a connecting hose inside the support sleeve, an air duct below the cleaning platform bolted to the steel frame, an output end of the connecting hose connected to an input end of the air duct, an output end of the air duct connected to an input end of a negative pressure fan, a transverse air duct on the side of the cleaning sleeve connected to the output end of the connecting hose, the transverse air duct and the support sleeve nested together, and a counterweight ball on the connecting hose.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1. This invention achieves three-dimensional drying of lost foam through a steel structure frame, a picking and placing mechanism, and a heating mechanism. It makes full use of vertical space and can simultaneously perform different customized drying on several lost foam pieces, improving space and time utilization and ensuring the efficiency and effect of lost foam drying.

[0018] 2. The present invention utilizes an auxiliary cleaning mechanism to clean the lost foam residue attached to the closed structure and collect the cleaned debris. This design can prevent the lost foam from re-adhering residue during the subsequent drying process and ensure the uniformity of the drying of the lost foam. Attached Figure Description

[0019] The accompanying drawings are provided to further illustrate the invention and form part of the specification. They are used in conjunction with embodiments of the invention to explain the invention and do not constitute a limitation thereof. In the drawings:

[0020] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0021] Figure 2 This is a schematic diagram of the cross-sectional structure of the present invention;

[0022] Figure 3 This is a schematic diagram of the push-pull structure of the present invention;

[0023] Figure 4 This is a schematic diagram of the limiting damping mechanism of the present invention;

[0024] Figure 5 This is a schematic diagram of the rear side structure of the present invention;

[0025] Figure 6This is a schematic diagram of the longitudinal section structure of the heating mechanism of the present invention;

[0026] Figure 7 This is a schematic diagram of the auxiliary cleaning mechanism of the present invention;

[0027] Figure 8 This is a schematic diagram of the longitudinal section of the auxiliary cleaning mechanism of the present invention;

[0028] Figure 9 This is a cross-sectional structural diagram of the auxiliary cleaning mechanism of the present invention.

[0029] In the diagram: 1. Steel frame structure; 11. Moving track; 2. Picking and placing mechanism; 21. Moving chassis; 22. Drive motor; 23. Track shaft; 24. Track wheel; 3. Lifting structure; 31. Lifting upright; 32. Crossbar; 33. Screw; 34. Lifting motor; 35. Bearing slide; 4. Push-pull structure; 41. Push-pull rod; 42. Push-pull slide groove; 43. Electric telescopic push rod; 44. Limiting baffle; 5. Limiting damping mechanism; 51. Damping plate; 52. Damping sleeve; 53. Damper; 54. Collision cap; 55. Elastic compression component; 6. Heating mechanism; 61. Heating chamber; 62. Suction horizontal pipe; 63. Main pipe; 64. Suction fan; 7. Heating structure; 71. Microwave emission structure; 72. Partition plate; 73. Metal stirring fan; 74. Micro motor; 75. Through hole; 76. Suction branch pipe; 8. Enclosed structure; 81. Enclosed plate; 82. Sliding plate; 83. Enclosed slide; 84. Push-pull groove; 9. Auxiliary cleaning mechanism; 91. Cleaning platform; 92. Support frame; 93. Sweeping structure; 931. Sweeping rotating seat; 932. Rotating insert rod; 933. Rotating motor; 934. Sweeping grinding sleeve; 935. Limiting bolt; 10. Adsorption structure; 101. Support sleeve; 102. Connecting hose; 103. Air duct; 104. Horizontal air duct; 105. Counterweight ball. Detailed Implementation

[0030] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit the present invention.

[0031] Furthermore, in this invention, the use of terms such as "first" and "second" is for descriptive purposes only and does not specifically refer to any order or sequence, nor is it intended to limit the invention. They are merely used to distinguish components or operations described using the same technical terms and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions and features of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. If a combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this invention.

[0032] The present invention provides the following embodiments:

[0033] Example 1

[0034] This invention provides a lost foam three-dimensional drying chamber, such as... Figure 1 , Figure 2 , Figure 5 As shown, a lost foam three-dimensional drying room includes a steel structure frame 1, a moving track 11 bolted to the bottom of the steel structure frame 1, a picking and placing mechanism 2 on the moving track 11, a limiting damping mechanism 5 at both ends of the moving track 11, a heating mechanism 6 on the steel structure frame 1, and an auxiliary cleaning mechanism 9 on the side of the steel structure frame 1.

[0035] The heating mechanism 6 includes several heating chambers 61, which are arranged on the steel frame 1. Each heating chamber 61 is equipped with a heating structure 7 and a sealing structure 8. Several suction horizontal pipes 62 are arranged longitudinally on the rear side of the steel frame 1. The suction horizontal pipes 62 are connected to the steel frame 1 by pipe clamp bolts. A main pipe 63 is provided on the right side of the steel frame 1. One end of each suction horizontal pipe 62 is bolted to the main pipe 63. A suction fan 64 is bolted to the bottom end of the main pipe 63.

[0036] The auxiliary cleaning mechanism 9 includes a cleaning platform 91, which is bolted to the side of the steel structure frame 1. A support frame 92 is fixedly connected to the cleaning platform 91. A cleaning structure 93 is provided on the support frame 92, and an adsorption structure 10 is provided on the side of the support frame 92.

[0037] The working principle and beneficial effects of the above technical solution are as follows: The three-dimensional drying chamber for lost foam uses a steel structure frame 1 as the basic carrier to achieve efficient drying of lost foam. The lost foam to be dried is placed on the pick-and-place mechanism 2. After the pick-and-place mechanism 2 moves to the designated position along the moving track 11, it puts the lost foam into each space of the heating mechanism 6 by lifting and pushing. The dried lost foam is also taken out from each space of the heating mechanism 6 by the pick-and-place mechanism 2. The heating mechanism 6 uses several heating chambers 61 on the steel structure frame 1 to microwave dry the lost foam. Different lost foams are dried according to different parameters, and the exhaust gas generated by heating is treated in time. The limiting damping mechanism 5 is used to ensure the safety of the operator in case of an emergency on the moving track 11. The auxiliary cleaning mechanism 9 uses the synergistic effect of mechanical grinding and negative pressure adsorption to polish the surface of the components in the heating mechanism 6 used to place the lost foam and remove the melted residue of the lost foam attached to it.

[0038] Several heating chambers 61 serve as independent heating units, each generating heat through its internal heating structure 7 to heat the lost foam placed within. Multiple heating chambers 61 can operate simultaneously or in batches to meet the heating needs of multiple batches of lost foam. The enclosed structure 8 within the heating chamber 61 keeps the heating space relatively sealed, preventing the emission of microwaves generated by the heating structure 7. During the heating process, lost foam may generate a small amount of toxic waste gas, water vapor, or volatiles. These gases enter the suction pipe 62 through the connection between the heating chamber 61 and the suction pipe 62. After the suction fan 64 is started, a negative pressure is formed in the main pipe 63 and the suction pipe 62, drawing the gas from each heating chamber 61 to the main pipe 63, and finally discharging it through the suction fan 64 (which can be treated by an external purification device), thus achieving unified collection and treatment of waste gas.

[0039] When residue is found on the component in the heating mechanism 6 used to place the lost foam, the pick-and-place mechanism 2 extends it between the support frame 92 and the cleaning table 91. The cleaning structure 93 grinds the lost foam melt residue by rotating and cleans the grinding debris by the adsorption structure 10.

[0040] This invention heats lost foam casting on a steel frame 1 using a pick-and-place mechanism 2 and a heating mechanism 6. This design, through a three-dimensional structure, makes full use of vertical space, enabling simultaneous customized drying of several lost foam castings, improving space and time utilization, and ensuring the efficiency and effectiveness of lost foam casting drying. The pick-and-place mechanism 2 achieves automation, reduces manual intervention, and significantly improves overall processing efficiency. The heating mechanism 6 uses microwave drying, which has high energy utilization and fast drying speed compared to traditional drying methods. Multiple heating chambers 61 operate independently, allowing for the simultaneous processing of multiple batches of lost foam casting, thus increasing overall heating capacity. The suction horizontal pipe 62, main pipe 63, and suction fan 64 continuously remove waste gas and moisture generated during heating, preventing accumulation in the heating chambers 61 that could affect the quality of the lost foam casting and also preventing the volatilization of toxic gases. The limiting damping mechanism 5 ensures the safety of operators under extreme conditions and reduces equipment damage. The auxiliary cleaning mechanism 9 can polish the surface of the component used to place the lost foam in the heating mechanism 6, clean the lost foam melt residue attached to it, and collect the cleaned debris. This design can prevent the lost foam from re-adhering residue during the subsequent drying process and ensure the uniformity of the drying of the lost foam.

[0041] Example 2

[0042] Based on Example 1, such as Figure 2 , Figure 3 As shown, the pick-and-place mechanism 2 includes a movable chassis 21, which is located above the movable track 11. The movable chassis 21 is bolted to a drive motor 22. The bottom of the movable chassis 21 is symmetrically arranged with track shafts 23, which pass through and are rotatably connected to the movable chassis 21. Track wheels 24 are bolted to both ends of the track shafts 23, which are rotatably connected to the movable track 11. The drive motor 22 is connected to the center of the track shafts 23 through a transmission structure (the transmission structure is driven by a gear set). A lifting structure 3 is provided above the movable chassis 21.

[0043] The lifting structure 3 includes a lifting frame 31, a crossbar 32 slidably connected to the top of the lifting frame 31, and bolts at both ends of the crossbar 32 to one side of the steel structure frame 1. A screw rod 33 is provided inside the lifting frame 31, which passes through and is rotatably connected to the lifting frame 31. A lifting motor 34 is provided at the top of the lifting frame 31, and the output end of the lifting motor 34 is connected to the top of the screw rod 33. A bearing slide 35 is slidably connected inside the lifting frame 31, and the screw rod 33 passes through and is threadedly connected to the bearing slide 35. A push-pull structure 4 is provided on the bearing slide 35.

[0044] The push-pull structure 4 includes two push-pull rods 41, which are slidably connected in two push-pull slide grooves 42. The two push-pull slide grooves 42 are symmetrically arranged on the bearing slide table 35. An electric telescopic push rod 43 is provided between the two push-pull slide grooves 42. The electric telescopic push rod 43 is nested and fixed on the bearing slide table 35. The working end of the electric telescopic push rod 43 is bolted to the push-pull rod 41. Limiting baffles 44 are fixedly connected to both push-pull rods 41. Electromagnets are provided on both push-pull rods 41.

[0045] The working principle and beneficial effects of the above technical solution are as follows: The drive motor 22 works, which drives the track shaft 23 to rotate through the transmission structure. The track wheels 24 at both ends of the track shaft 23 roll on the moving track 11, thereby driving the moving chassis 21 (and the lifting structure 3 and the push-pull structure 4 above it) to move horizontally along the moving track 11, realizing the horizontal position adjustment of the overall mechanism. When it reaches the designated position of the control center, the lifting motor 34 starts, and its output end drives the lead screw 33 to rotate in the lifting frame 31. Since the bearing slide 35 is threadedly connected to the lead screw 33 and slides along the lifting frame 31, the rotation of the lead screw 33 will be converted into the vertical movement of the bearing slide 35 (sliding up and down along the lifting frame 31), thereby adjusting the vertical height of the bearing slide 35 to match the height of the target heating chamber 61. Then the electric telescopic push rod 43 works, and its working end pushes the push-pull rod 41 to slide along the push-pull groove 42 (realizing horizontal extension and retraction).

[0046] When the lost foam is heated, the electromagnet on the push-pull rod 41 attracts the target object (sliding plate 82 described later) and sends it from the supporting slide 35 into the heating mechanism 6. Then, the electromagnet is de-energized, and the supporting slide 35 descends a certain distance. The electric telescopic push rod 43 drives the push-pull rod 41 to retract. When the heated lost foam is removed, the push-pull rod 41 extends into the heating mechanism 6, and the supporting slide 35 rises a certain distance. The electromagnet is energized to attract the target object, and the electric telescopic push rod 43 drives the push-pull rod 41 to retract, moving the target object from the heating mechanism 6 onto the supporting slide 35. Subsequently, the drive motor 22 and the lifting motor 34 respectively reset the moving chassis 21 and the supporting slide 35.

[0047] In this invention, horizontal movement is achieved through the cooperation of track wheels 24 and moving track 11, enabling stable long-distance movement. Vertical movement is achieved through a lead screw 33, which drives the supporting slide 35 to rise and fall smoothly. In the push-pull direction, an electric telescopic push rod 43 drives the push-pull rod 41 to slide, allowing precise control of the distance to the object. These three components work together to achieve precise positioning in three-dimensional space, meeting the needs of handling complex scenarios. The lifting frame 31 is slidably connected to the crossbar 32, ensuring its stability during movement and lifting.

[0048] Example 3

[0049] Based on Example 1, such as Figure 2 , Figure 4 As shown, the limiting damping mechanism 5 includes two damping plates 51, which are bolted to both ends of the moving track 11. Damping sleeves 52 are symmetrically arranged on both damping plates 51. A damper 53 is provided inside the damping sleeve 52. The damper 53 is bolted to the damping plate 51. A collision cap 54 is sleeved on the working end of the damper 53. The collision cap 54 is slidably connected inside the damping sleeve 52. An elastic compression member 55 is provided between the collision cap 54 and the damping sleeve 52.

[0050] The working principle and beneficial effects of the above technical solution are as follows: The limiting damping mechanism 5 is used to prevent the mobile chassis 21 from experiencing brake failure. When the mobile chassis 21 moves horizontally along the moving track 11 to the extreme positions at both ends, the mobile chassis 21 will first contact the collision cap 54 on the damping plate 51. After the collision cap 54 is subjected to the impact force, it slides inward along the damping sleeve 52 and compresses the elastic compression member 55 at the same time. The elastic compression member 55 absorbs part of the impact force through deformation, achieving initial buffering. As the collision cap 54 continues to move, it will trigger the working end of the damper 53. The damper 53 consumes energy through the resistance of the internal damping medium, further slowing down the movement speed of the collision cap 54 and releasing the impact force in the form of heat energy. Finally, under the combined action of the damper 53 and the elastic compression member 55, the kinetic energy of the mobile chassis 21 is gradually absorbed until it stops smoothly, avoiding direct rigid collision with the damping plate 51.

[0051] This invention limits the maximum movement range of the mobile chassis 21 through the limiting damping mechanism 5, preventing it from running off the moving track 11 due to loss of control or inertia, and ensuring the safe operation of the overall pick-and-place mechanism 2 within the preset moving track 11. The damping effect of the damper 53 and the buffering effect of the elastic compression member 55 reduce the collision damage to components such as the mobile chassis 21, track wheels 24, and drive motor 22 when the brakes of the mobile chassis 21 fail, thus protecting the equipment. The damping force of the damper 53 and the elastic force of the elastic compression member 55 can be selected according to actual needs (such as the weight of the mobile chassis 21 and the running speed) to ensure stable buffering effect; at the same time, the collision cap 54 is slidably connected inside the damping sleeve 52, with a compact structure and clear motion guidance, avoiding deviation during the buffering process.

[0052] Example 4

[0053] Based on Example 1, such as Figure 6As shown, the heating structure 7 includes a microwave emitting structure 71, which is bolted to the heating chamber 61. A partition 72 is bolted to the top of the heating chamber 61. A metal stirring fan 73 is provided above the partition 72 and is rotatably connected to the partition 72. A micro motor 74 is bolted to the top of the heating chamber 61, and the output end of the micro motor 74 is fixedly connected to the metal stirring fan 73. Several through holes 75 are provided on the partition 72. A suction branch pipe 76 is provided at the top of the microwave emitting structure 71. The suction branch pipe 76 passes through and is bolted to the heating chamber 61. The suction branch pipe 76 is bolted to the suction horizontal pipe 62.

[0054] The closed structure 8 includes a closed plate 81, a sliding plate 82 fixedly connected to the side of the closed plate 81, a closed groove 83 on both sides of the heating chamber 61, the sliding plate 82 is slidably connected to the closed groove 83 on both sides, and a push-pull groove 84 is provided below the closed groove 83.

[0055] The working principle and beneficial effects of the above technical solution are as follows: The microwave emitting structure 71 is fixed on the heating chamber 61. During operation, it emits microwave energy into the heating chamber 61. The microwaves penetrate the lost foam and cause the lost foam molecules to vibrate at high frequency. Heat is generated through molecular friction, achieving rapid heating of the lost foam. The micro motor 74 drives the metal stirring fan 73 to rotate above the partition 72. The metal material has the effect of reflecting and scattering microwaves. By rotating, the "focusing effect" of microwaves in the heating chamber 61 can be broken, avoiding excessive local energy and overheating of the lost foam, thus ensuring heating uniformity. Water vapor, volatiles, or toxic waste gases generated during the heating process enter the suction branch pipe 76 through the through hole 75 under negative pressure and collect in the suction horizontal pipe 62. The sealing plate 81 slides along the sealing grooves 83 on both sides of the heating chamber 61 through the sliding plate 82 on the side, realizing the sealing or opening of the heating chamber 61. When sealed, it can reduce microwave leakage and heat loss, improve heating efficiency and operational safety.

[0056] The closed structure 8 seals the heating chamber 61 through the push-pull structure 4. When it is necessary to dry the lost foam in a single heating chamber 61, the push-pull rod 41 of the push-pull structure 4 and the electromagnet are used to send the closed structure 8 and the lost foam into the heating chamber 61. After the lost foam in the heating chamber 61 is dried, the push-pull rod 41 of the push-pull structure 4 and the electromagnet are used to remove the closed structure 8 and the lost foam from the heating chamber 61.

[0057] This invention utilizes microwave heating to directly act on the molecules of lost foam casting, resulting in rapid heating and higher thermal efficiency than traditional heating methods. The metal stirring fan 73 effectively solves the problem of "localized overheating" that easily occurs in microwave heating through microwave scattering, ensuring uniform temperature throughout the lost foam casting and improving heating quality. The enclosed structure 8 reduces microwave leakage; the suction pipe 62 continuously discharges waste gas and moisture, preventing the accumulation of harmful substances and ensuring the health of operators and the safety of the working environment.

[0058] Example 5

[0059] Based on Example 1, such as Figure 7 , Figure 8 , Figure 9 As shown, the cleaning structure 93 includes a cleaning rotating seat 931, which is fixedly connected to the bottom of the support frame 92. A rotating rod 932 is rotatably connected to the cleaning rotating seat 931. A rotating motor 933 is provided on one side of the cleaning rotating seat 931. The output end of the rotating motor 933 is connected to the rotating rod 932. A cleaning grinding sleeve 934 is fitted on the rotating rod 932. A limit bolt 935 is threadedly connected to the end of the rotating rod 932 away from the rotating motor 933.

[0060] The adsorption structure 10 includes a support sleeve 101, which is bolted to the cleaning platform 91. A connecting hose 102 is provided inside the support sleeve 101. An air duct 103 is provided below the cleaning platform 91 and is bolted to the steel frame 1. The output end of the connecting hose 102 is connected to the input end of the air duct 103, and the output end of the air duct 103 is connected to the input end of the negative pressure fan. A transverse air duct 104 is provided on the side of the cleaning grinding sleeve 934, and the transverse air duct 104 is connected to the output end of the connecting hose 102. The transverse air duct 104 and the support sleeve 101 are nested together. A counterweight ball 105 is provided on the connecting hose 102.

[0061] The working principle and beneficial effects of the above technical solution are as follows: During cleaning, the push-pull structure 4 extends the sliding plate 82 under the support frame 92 and starts the rotating motor 933. The rotating motor 933 drives the rotating rod 932 and the cleaning grinding sleeve 934 sleeved on it to rotate. The cleaning grinding sleeve 934 and the sliding plate 82 rub against each other, removing the lost foam melting residue on the sliding plate 82. At the same time, the negative pressure fan starts, and the horizontal air duct 104 generates negative suction pressure to adsorb the debris generated by friction. The debris passes through the connecting hose. 102 enters the air duct. When it is necessary to adsorb debris from other locations, the horizontal air duct 104 and the connecting hose 102 are pulled out of the support sleeve 101, and the counterweight ball 105 is raised accordingly. The operator holds the horizontal air duct 104 to adsorb and clean. After cleaning, the horizontal air duct 104 is inserted into the support sleeve 101, and the connecting hose 102 is pulled into the support sleeve 101 under the action of the counterweight ball 105. When the cleaning grinding sleeve 934 is worn out and cannot be used, the limit bolt 935 is removed and a new cleaning grinding sleeve 934 is installed.

[0062] This invention utilizes a cleaning abrasive sleeve 934 to clean the sliding plate 82, effectively removing melted residue from the sliding plate 82 and preventing it from adhering to the lost foam during subsequent drying. It also avoids the impact of melted residue on heating uniformity. Furthermore, the design of the transverse air duct 104, connecting hose 102, and counterweight ball 105 allows for flexible adsorption and cleaning of the grinding areas of the sliding plate 82. Moreover, grinding and adsorption occur simultaneously, significantly improving cleaning efficiency.

[0063] Obviously, those skilled in the art can make various modifications and variations to this invention without departing from its spirit and scope. Therefore, if these modifications and variations fall within the scope of the claims of this invention and their equivalents, this invention also intends to include these modifications and variations.

Claims

1. A lost foam three-dimensional drying room, characterized in that: A steel frame (1) is bolted to the bottom of the steel frame (1) and a moving rail (11) is provided. A pick-up and put-down mechanism (2) is provided on the moving rail (11). A limit damping mechanism (5) is provided at both ends of the moving rail (11). A heating mechanism (6) is provided on the steel frame (1). An auxiliary cleaning mechanism (9) is provided on the side of the steel frame (1). The heating mechanism (6) includes several heating chambers (61), which are arranged on the steel frame (1). The heating chambers (61) are equipped with a heating structure (7) and a closed structure (8). Several suction horizontal pipes (62) are arranged longitudinally on the rear side of the steel frame (1). The suction horizontal pipes (62) are connected to the steel frame (1) by pipe clamp bolts. The right side of the steel frame (1) is equipped with a main pipe (63). One end of the suction horizontal pipes (62) is connected to the main pipe (63). The bottom end of the main pipe (63) is connected to the suction fan (64). The auxiliary cleaning mechanism (9) includes a cleaning platform (91), which is bolted to the side of the steel frame (1). A support frame (92) is fixedly connected to the cleaning platform (91), and a cleaning structure (93) is provided on the support frame (92). An adsorption structure (10) is provided on the side of the support frame (92). The cleaning structure (93) includes a cleaning rotating seat (931), which is fixedly connected to the bottom of the support frame (92). A rotating rod (932) is rotatably connected to the cleaning rotating seat (931). A rotating motor (933) is provided on one side of the cleaning rotating seat (931). The output end of the rotating motor (933) is connected to the rotating rod (932). A cleaning grinding sleeve (934) is sleeved on the rotating rod (932). A limit bolt (935) is threadedly connected to the end of the rotating rod (932) away from the rotating motor (933). The adsorption structure (10) includes a support sleeve (101), which is bolted to the cleaning platform (91). A connecting hose (102) is provided inside the support sleeve (101). An air duct (103) is provided below the cleaning platform (91). The air duct (103) is bolted to the steel frame (1). The output end of the connecting hose (102) is connected to the input end of the air duct (103). The output end of the air duct (103) is connected to the input end of the negative pressure fan. A transverse air duct (104) is provided on the side of the cleaning grinding sleeve (934). The transverse air duct (104) is connected to the output end of the connecting hose (102). The transverse air duct (104) and the support sleeve (101) are nested together. A counterweight ball (105) is provided on the connecting hose (102).

2. The lost foam three-dimensional drying room according to claim 1, characterized in that: The pick-and-place mechanism (2) includes a movable chassis (21), which is located above the movable track (11). The movable chassis (21) is bolted to a drive motor (22). The bottom of the movable chassis (21) is symmetrically arranged with track shafts (23). The track shafts (23) pass through and are rotatably connected to the movable chassis (21). The two ends of the track shafts (23) are bolted to track wheels (24). The track wheels (24) are rotatably connected to the movable track (11). The drive motor (22) is connected to the track shafts (23) through a transmission structure. A lifting structure (3) is provided above the movable chassis (21).

3. The lost foam three-dimensional drying room according to claim 2, characterized in that: The lifting structure (3) includes a lifting frame (31), a crossbar (32) is slidably connected to the top of the lifting frame (31), the two ends of the crossbar (32) are bolted to one side of the steel structure frame (1), a screw rod (33) is provided on the lifting frame (31), the screw rod (33) passes through and is rotatably connected to the lifting frame (31), a lifting motor (34) is provided on the top of the lifting frame (31), the output end of the lifting motor (34) is connected to the top of the screw rod (33), a bearing slide (35) is slidably connected inside the lifting frame (31), the bearing slide (35) is threadedly connected to the screw rod (33), and a push-pull structure (4) is provided on the bearing slide (35).

4. The lost foam casting three-dimensional drying chamber according to claim 3, characterized in that: The push-pull structure (4) includes two push-pull rods (41), which are slidably connected in two push-pull slides (42). The two push-pull slides (42) are symmetrically arranged on the bearing slide (35). An electric telescopic push rod (43) is provided between the two push-pull slides (42). The electric telescopic push rod (43) is nested and fixed on the bearing slide (35). The working end of the electric telescopic push rod (43) is bolted to the push-pull rod (41). Limiting baffles (44) are fixedly connected to both push-pull rods (41). Electromagnets are provided on both push-pull rods (41).

5. The lost foam three-dimensional drying chamber according to claim 1, characterized in that: The limiting damping mechanism (5) includes two damping plates (51), which are bolted to both ends of the moving track (11). Damping sleeves (52) are symmetrically arranged on both damping plates (51). A damper (53) is provided inside the damping sleeve (52). The damper (53) is bolted to the damping plate (51). A collision cap (54) is sleeved on the working end of the damper (53). The collision cap (54) is slidably connected inside the damping sleeve (52). An elastic compression member (55) is provided between the collision cap (54) and the damping sleeve (52).

6. The lost foam casting three-dimensional drying chamber according to claim 1, characterized in that: The heating structure (7) includes a microwave emitting structure (71), which is bolted to the heating chamber (61). A partition (72) is bolted to the top of the heating chamber (61). A metal stirring fan (73) is provided above the partition (72). The metal stirring fan (73) is rotatably connected to the partition (72). A micro motor (74) is bolted to the top of the heating chamber (61). The output end of the micro motor (74) is fixedly connected to the metal stirring fan (73). Several through holes (75) are provided on the partition (72). A suction branch pipe (76) is provided at the top of the microwave emitting structure (71). The suction branch pipe (76) passes through and is bolted to the heating chamber (61). The suction branch pipe (76) is connected to the suction horizontal pipe (62).

7. A three-dimensional drying room for lost foam casting according to claim 6, characterized in that: The closed structure (8) includes a closed plate (81), a sliding plate (82) is fixedly connected to the side of the closed plate (81), and a closed groove (83) is provided on both sides of the heating chamber (61). The sliding plate (82) is slidably connected in the closed groove (83) on both sides, and a push-pull groove (84) is provided below the closed groove (83).

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