Investment casting shell drying system
By introducing work boxes, drying devices, drive devices, rotary shafts, suspension devices and positioning devices into the investment cast shell drying system, synchronous rotation and drying of multiple shells is achieved, and the low drying efficiency and poor applicability of the existing system are solved. The problem of drying efficiency and applicability are improved.
Patent Information
- Application Number
- CN202420985849.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-08
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-05-08
AI Technical Summary
The existing investment cast molded shell drying system has low drying efficiency and poor applicability, and cannot be used for drying of molded shells that cannot be hung and multiple molded shells.
A system including work box, drying device, drive device, rotary shaft, suspension device and positioning device is designed. Different types of shells are positioned through suspension device suspension and positioning device, and the drive device is used to drive the rotation of the rotary shaft and suspension device to realize multiple types. The shell is synchronously dried.
It improves the drying efficiency and applicability of investment cast molded shells, can be suitable for the drying of various molded shells, and enhances the flexibility and efficiency of the system.
Smart Images
Figure CN222242523U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of machinery and relates to an investment casting shell drying system. Background Art
[0002] Investment casting is also called lost wax casting, which includes the processes of wax pressing, wax repairing, tree assembly, slurry dipping, wax melting, casting molten metal and post-processing. Lost wax casting is to use wax to make a wax mold of the part to be cast, and then apply mud on the wax mold, which is a mud mold. After the mud mold is dried, it is put into hot water to melt the wax mold inside, and the mud mold with the melted wax mold is taken out and baked into a ceramic mold. Once baked, a pouring port is generally left when making the mud mold, and then the molten metal is poured from the pouring port.
[0003] The existing investment casting shell drying system has low drying efficiency when drying the investment casting shell, and the placement method of the investment casting shell is relatively simple, mostly hanging. Since the shape of some shells cannot be hung, it can only be used for the placement of the same shell shape, and the applicability is poor. Summary of the invention
[0004] The purpose of the utility model is to provide an investment casting shell drying system with strong applicability in view of the above problems existing in the prior art.
[0005] The purpose of the utility model can be achieved through the following technical solutions:
[0006] A drying system for investment casting mold shells, characterized in that it includes a working box, a drying device, a driving device, a rotating shaft, a hanging device and a positioning device, the working box having an internal cavity and a door that can be opened and closed, the drying device being installed on the side of the working box, the driving device being connected to the top of the working box, the rotating shaft being connected to the driving device and being located in the inner cavity of the working box, the upper and lower ends of the rotating shaft being rotatably connected to the upper and lower side walls of the inner cavity of the working box, the air outlet end of the drying device being located in the inner cavity of the working box and facing the rotating shaft, and the hanging device and the positioning device being fixedly connected to the rotating shaft.
[0007] The utility model creatively arranges a working box, a drying device, a driving device, a rotating shaft, a hanging device and a positioning device. The drying device is used for drying the investment casting mold shell. The driving device can drive the rotating shaft to rotate and drive the hanging device and the positioning device to rotate. The hanging device is used for hanging the investment casting mold shell. The positioning device is used for positioning the investment casting mold shell that cannot be hung, thereby different investment casting mold shells can be placed. Since the investment casting mold shell rotates during the drying process and multiple investment casting mold shells can be dried at the same time, the drying efficiency can be improved to a certain extent and the utility model has strong applicability.
[0008] In the above-mentioned investment casting shell drying system, the hanging device includes a top plate, the top plate is circular, and a plurality of hooks are evenly distributed circumferentially on the top plate with the center of the circle as the center, and the hooks are used to hang the investment casting shell.
[0009] The investment casting shell can be hung from the top plate by hooks.
[0010] In the above-mentioned investment casting shell drying system, the positioning device includes a bottom plate, the bottom plate is circular, and a plurality of positioning components are evenly distributed circumferentially on the bottom plate with the center of the circle as the center, and the positioning components are used to position the investment casting shell.
[0011] The investment casting shell can be positioned on the base plate by a positioning assembly.
[0012] In the above-mentioned investment casting shell drying system, the positioning assembly includes a fixed block and a clamping block, the fixed block is fixedly connected to the base plate, the side of the fixed block has a groove, a spring is fixedly connected in the groove, the clamping block and the spring are connected, the fixed block, the spring and the clamping block form a positioning unit, the number of the positioning units is two, the two positioning units are arranged opposite to each other and the two positioning units constitute a positioning assembly.
[0013] Under the elastic force of the spring, the clamping block always has an inward clamping force. The arrangement of the two positioning units can clamp and position the investment casting shell on the bottom plate.
[0014] In the above-mentioned investment casting shell drying system, the driving device includes a stand, a motor, a pulley 1 and a pulley 2, the stand is fixedly connected to the top of the working box, the motor is fixedly connected to the stand, the pulley 1 and the pulley 2 are both rotatably connected between the stand and the working box, the output shaft of the motor is connected to the pulley 1, and a belt is wound between the pulley 1 and the pulley 2.
[0015] Motor 2 drives pulley 1 to rotate, and since a belt is wound between pulley 1 and pulley 2, pulley 2 rotates synchronously.
[0016] In the above-mentioned investment casting shell drying system, the rotating shaft, the suspension device, and the positioning device form a placement unit, and the number of the placement units is two, one of which is connected to pulley one through the rotating shaft, and the other is connected to pulley two through the rotating shaft.
[0017] The arrangement of the two placement units increases the number of investment casting shells that can be placed, and the rotation of the first pulley and the second pulley can drive the two placement units to rotate synchronously for uniform drying.
[0018] In the above-mentioned investment casting shell drying system, the drying device includes a heating box, a plurality of fans are fixed to the upper outer wall of the heating box by bolts, and the air outlet ends of the fans are all located inside the heating box, an electric heating wire is fixed to the inner wall of one side of the heating box by bolts, an air outlet pipe is plugged into the bottom outer wall of the heating box, and one end of the air outlet pipe is located inside the working box.
[0019] Starting the electric heating wire can perform heating work, and the air outlet of the fan blows the hot air inside the heating box to the bottom of the heating box. The hot air is discharged into the interior of the working box through the air outlet pipe to dry the printed and dyed fabrics.
[0020] In the above-mentioned investment casting shell drying system, the number of the drying devices is two, and the two drying devices are respectively located on both sides of the working box.
[0021] One of the drying devices faces one of the placement units, and the other drying device faces the other placement unit.
[0022] In the above-mentioned investment casting shell drying system, the outer wall of the working box is connected with an exhaust pipe, and the number of the exhaust pipes is four, two of which are located on both sides of one of the drying devices, and the other two exhaust pipes are located on both sides of the other drying device.
[0023] The setting of the exhaust pipe ensures smooth flow of gas in the inner cavity of the working box.
[0024] Compared with the prior art, the investment casting mold shell drying system creatively arranges a working box, a drying device, a driving device, a rotating shaft, a hanging device and a positioning device. The drying device is used to dry the investment casting mold shell, the driving device can drive the rotating shaft to rotate and drive the hanging device and the positioning device to rotate, the hanging device is used to suspend the investment casting mold shell, and the positioning device is used to position the investment casting mold shell that cannot be suspended, thereby different investment casting mold shells can be placed. Since the investment casting mold shell rotates during the drying process and multiple investment casting mold shells can be dried at the same time, the drying efficiency can be improved to a certain extent and the applicability is strong. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] Figure 1 It is a schematic diagram of the cross-sectional structure of the investment casting shell drying system.
[0026] Figure 2 It is a three-dimensional structural schematic diagram of the placement unit in the investment casting shell drying system.
[0027] In the figure, 1. working box; 2. drying device; 21. heating box; 22. heating wire; 23. fan; 24. air outlet duct; 3. driving device; 31. stand; 32. motor; 33. pulley 1; 34. pulley 2; 35. belt; 4. rotating shaft; 5. hanging device; 51. top plate; 52. hook; 6. positioning device; 61. bottom plate; 62. positioning assembly; 621. fixing block; 622. groove; 623. spring; 624. clamping block. DETAILED DESCRIPTION
[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0029] It should be noted that when a component is referred to as being "mounted on" another component, it may be directly mounted on the other component or there may be a central component. When a component is considered to be "set on" another component, it may be directly set on the other component or there may be a central component at the same time. When a component is considered to be "fixed to" another component, it may be directly fixed on the other component or there may be a central component at the same time.
[0030] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "or / and" used herein includes any and all combinations of one or more related listed items.
[0031] like Figure 1 and Figure 2 As shown, the investment casting shell drying system includes a working box 1, a drying device 2, a driving device 3, a rotating shaft 4, a hanging device 5 and a positioning device 6. The working box 1 has an internal cavity and has a door that can be opened and closed. The drying device 2 is installed on the side of the working box 1, the driving device 3 is connected to the top of the working box 1, the rotating shaft 4 is connected to the driving device 3 and the rotating shaft 4 is located in the inner cavity of the working box 1, the upper and lower ends of the rotating shaft 4 are rotatably connected to the upper and lower side walls of the inner cavity of the working box 1, the air outlet end of the drying device 2 is located in the inner cavity of the working box 1 and is opposite to the rotating shaft 4, and the hanging device 5 and the positioning device 6 are both fixedly connected to the rotating shaft 4.
[0032] The suspension device 5 comprises a top plate 51 , which is circular in shape. A plurality of hooks 52 are evenly distributed in the circumferential direction around the center of the circle on the top plate 51 , and the hooks 52 are used to suspend the investment casting shell.
[0033] The positioning device 6 comprises a bottom plate 61 , which is circular in shape. A plurality of positioning components 62 are evenly distributed circumferentially on the bottom plate 61 with the center of the circle as the center, and the positioning components 62 are used to position the investment casting shell.
[0034] The positioning assembly 62 includes a fixed block 621 and a clamping block 624. The fixed block 621 is fixedly connected to the base plate 61. The side of the fixed block 621 has a groove 622. A spring 623 is fixedly connected in the groove 622. The clamping block 621 and the spring 623 are connected. The fixed block 631, the spring 623 and the clamping block 624 form a positioning unit. There are two positioning units, which are arranged opposite to each other and constitute a positioning assembly 62.
[0035] The driving device 3 includes a stand 31, a motor 32, a pulley 1 33 and a pulley 2 34. The stand 31 is fixedly connected to the top of the working box 1, the motor 32 is fixedly connected to the stand 31, the pulley 1 33 and the pulley 2 34 are both rotatably connected between the stand 31 and the working box 1, the output shaft of the motor 32 is connected to the pulley 1 33, and a belt 35 is wound between the pulley 1 33 and the pulley 2 34.
[0036] The rotating shaft 4, the suspension device 5, and the positioning device 6 form a placement unit, and the number of the placement units is two, one of which is connected to the first pulley 33 through the rotating shaft 4, and the other is connected to the second pulley 34 through the rotating shaft 4.
[0037] The drying device 2 includes a heating box 21, on the upper outer wall of the heating box 21, a plurality of fans are fixed by bolts, and the air outlet ends of the fans are all located inside the heating box 21, an electric heating wire 22 is fixed by bolts on the inner wall of one side of the heating box 21, an air outlet pipe 24 is plugged into the bottom outer wall of the heating box 21, and one end of the air outlet pipe 24 is located inside the working box 1.
[0038] There are two drying devices 2, and the two drying devices 2 are respectively located on both sides of the working box.
[0039] An exhaust pipe 11 is inserted into the outer wall of the working box 1 . There are four exhaust pipes 11 , two of which are located at both sides of one of the drying devices 2 , and the other two exhaust pipes 11 are located at both sides of the other drying device 2 .
[0040] The utility model creatively sets a working box, a drying device, a driving device, a rotating shaft, a hanging device and a positioning device. The box door is opened to hang the investment casting mold shell on the top plate through a hook. The investment casting mold shell that cannot be hung is placed between two positioning units on the bottom plate. Under the elastic force of the spring, the clamping block always has an inward clamping force. The setting of the two positioning units can clamp and position it on the bottom plate; after the placement is completed, the box door is closed, and the motor is started to drive the pulley 1 to rotate. Since a belt is wound between the pulley 1 and the pulley 2, the pulley 2 rotates synchronously; the rotation of the pulley 1 and the pulley 2 can drive the two placement units to rotate synchronously; the electric heating wire is started to perform heating work, and the air outlet end of the fan blows the hot air inside the heating box to the bottom of the heating box. The hot air is discharged into the interior of the working box through the air outlet pipe to dry the investment casting mold shell on the placement unit.
[0041] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.
[0042] Those skilled in the art should recognize that the above embodiments are only used to illustrate the present invention and are not intended to limit the present invention. As long as they are within the spirit of the present invention, appropriate changes and modifications to the above embodiments are within the scope of protection required by the present invention.
Claims
1. An investment casting shell drying system, characterized in that: It includes a working box, a drying device, a driving device, a rotating shaft, a hanging device and a positioning device. The working box has a hollow interior and a door that can be opened and closed. The drying device is installed on the side of the working box. The driving device is connected to the top of the working box. The rotating shaft is connected to the driving device and is located in the inner cavity of the working box. The upper and lower ends of the rotating shaft are rotatably connected to the upper and lower side walls of the inner cavity of the working box. The air outlet end of the drying device is located in the inner cavity of the working box and is directly opposite to the rotating shaft. The hanging device and the positioning device are both fixedly connected to the rotating shaft.
2. The investment casting shell drying system according to claim 1, characterized in that: The suspension device comprises a top plate, which is circular in shape. A plurality of hooks are evenly distributed circumferentially on the top plate with the center of the circle as the center, and the hooks are used for hanging the investment casting shell.
3. The investment casting shell drying system according to claim 2, characterized in that: The positioning device comprises a bottom plate, which is circular in shape. A plurality of positioning components are evenly distributed circumferentially on the bottom plate with the center of the circle as the center, and the positioning components are used for positioning the investment casting shell.
4. The investment casting shell drying system according to claim 3, characterized in that: The positioning assembly includes a fixed block and a clamping block, the fixed block is fixedly connected to the base plate, the side of the fixed block has a groove, a spring is fixedly connected in the groove, the clamping block and the spring are connected, the fixed block, the spring and the clamping block form a positioning unit, the number of the positioning units is two, the two positioning units are arranged opposite to each other and the two positioning units constitute a positioning assembly.
5. The investment casting shell drying system according to claim 4, characterized in that: The driving device includes a stand, a motor, a first pulley and a second pulley. The stand is fixedly connected to the top of the working box, the motor is fixedly connected to the stand, the first pulley and the second pulley are both rotatably connected between the stand and the working box, the output shaft of the motor is connected to the first pulley, and a belt is wound between the first pulley and the second pulley.
6. The investment casting shell drying system according to claim 5, characterized in that: The rotating shaft, the suspension device and the positioning device form a placement unit. The number of the placement units is two, one of which is connected to the first pulley through the rotating shaft, and the other is connected to the second pulley through the rotating shaft.
7. The investment casting shell drying system according to claim 6, characterized in that: The drying device includes a heating box, a plurality of fans are fixed to the upper outer wall of the heating box by bolts, and the air outlet ends of the fans are all located inside the heating box, an electric heating wire is fixed to the inner wall of one side of the heating box by bolts, an air outlet pipe is plugged into the bottom outer wall of the heating box, and one end of the air outlet pipe is located inside the working box.
8. The investment casting shell drying system according to claim 7, characterized in that: The number of the drying devices is two, and the two drying devices are respectively located on both sides of the working box.
9. The investment casting shell drying system according to claim 8, characterized in that: The outer wall of the working box is plugged with exhaust pipes, and the number of the exhaust pipes is four, two of which are respectively located on both sides of one of the drying devices, and the other two exhaust pipes are respectively located on both sides of the other drying device.