Foundry sand screening device for casting parts
By accelerating material screening by using a reducer motor-driven lateral movement and agitating plate in the cast sand screening device, the problems of low screening efficiency and equipment vibration are solved, and the effect of efficient screening and extended service life is achieved.
Patent Information
- Application Number
- CN202420471434.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-12
- Publication Date
- 2025-02-07
- Estimated Expiration
- 2034-03-12
AI Technical Summary
During the casting process, the screening efficiency of cast sand is low, and the use of a vibrating motor increases the screening efficiency, but it will cause equipment vibration, parts damage and service life to be reduced.
A cast sand screening device is designed, and a speed reduction motor drives the drive shaft. The inner frame of the screen is moved horizontally through the turntable and the drive plate, and agitating plates are installed in the inner frame to accelerate material screening.
It improves the falling speed of cast sand on the surface of the screening net, improves the screening efficiency, avoids long-term vibration of the equipment and damage to parts, and extends the service life.
Smart Images
Figure CN222429176U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of screening devices, in particular to a casting sand screening device for casting parts. Background Art
[0002] Casting is one of the earliest metal heat processing technologies mastered by humans. Casting is a method of pouring liquid metal into a casting cavity that is adapted to the shape of the part, and then cooling and solidifying it to obtain a part or blank.
[0003] Foundry sand is needed when casting parts, but the foundry sand needs to be screened. When screening the foundry sand, a screening machine is generally used. The foundry sand is screened on the surface of the screen. The foundry sand falls slowly on the surface of the screen, which greatly reduces the screening efficiency of the screening machine. If a vibration motor is installed on the screening machine, although the screening efficiency of the screening machine can be increased, the equipment vibrates for a long time, the parts are easily damaged, the screws are easily loosened, the service life is short, and the cost of use is increased. Utility Model Content
[0004] The utility model aims to provide a casting sand screening device for casting parts to solve the defects mentioned in the above background technology.
[0005] To achieve the above-mentioned purpose, a foundry sand screening device for casting parts is provided, comprising a mounting frame, a screening inner frame is movably mounted inside the mounting frame, a screening net is mounted at the bottom of the screening inner frame, and the bottom of the mounting frame is supported by a support frame, characterized in that a driving frame is screwed on the right side of the mounting frame, a reduction motor is mounted on the upper side of the driving frame through a machine base, the output shaft of the reduction motor is fixed to the transmission shaft, a turntable is mounted at the bottom of the transmission shaft, a driving plate is movably mounted on the surface of the turntable, and the end of the driving plate away from the turntable is movably connected to the screening inner frame, and a stirring plate is movably mounted inside the screening inner frame.
[0006] Preferably, a right pulley and a turntable are respectively mounted on the transmission shaft, and the right pulley and the left pulley are arranged horizontally, and transmission is performed between the right pulley and the left pulley via a V-belt.
[0007] Preferably, the left pulley is welded and fixed to the rotating shaft, and stirring plates are welded on both sides of the bottom of the rotating shaft, and two groups of stirring plates are respectively arranged on the upper surface of the screening net.
[0008] Preferably, the turntable drives the screening inner frame to move back and forth laterally inside the mounting frame via a driving plate, and the driving sources of the screening inner frame and the stirring plate are both reduction motors.
[0009] Preferably, four groups of guide rods are welded on both sides of the screening inner frame, and the guide rods are inserted into guide holes opened on the two side walls of the installation frame, and limiting plates are welded on the ends of the guide rods.
[0010] Preferably, a material guiding channel is welded on the inner lower side of the installation frame, and the material outlet of the material guiding channel is arranged on the upper side of the collecting frame.
[0011] Compared with the prior art, the utility model has the following beneficial effects: the lateral movement of the screening inner frame makes the logistics inside it always in an active state; at the same time, under the stirring work of the stirring plate, the material inside the screening inner frame can be quickly screened through the screening net, thereby increasing the falling speed of the casting sand on the surface of the screening net, and replacing the method of using a vibration motor for driving, thereby avoiding the long-term vibration of the equipment, easy damage to parts, easy loosening of screws, and reduced service life. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 This is a schematic diagram of the front view of the structure of the utility model;
[0013] Figure 2 The utility model structure Figure 1 Side view of
[0014] Figure 3 The utility model structure Figure 1 A top view of
[0015] Figure 4 The utility model structure Figure 1 Schematic diagram of the lateral movement of the screening inner frame.
[0016] Numbers in the figure: 1. Installation frame; 2. Screening inner frame; 3. Screening net; 4. Stirring plate; 5. Rotating shaft; 6. Left pulley; 7. Guide rod; 8. Reduction motor; 9. Right pulley; 10. Driving frame; 11. Transmission shaft; 12. Turntable; 13. Driving plate; 14. Material guide channel; 15. Collecting frame. DETAILED DESCRIPTION
[0017] 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 in 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.
[0018] See also Figure 1-4The utility model provides a foundry sand screening device for casting parts, including a mounting frame 1, a screening inner frame 2 is movably mounted inside the mounting frame 1, and a screening net 3 is mounted at the bottom of the screening inner frame 2, and at the same time, the bottom of the mounting frame 1 is supported by a supporting frame, a driving frame 10 is screwed and mounted on the right side of the mounting frame 1, and a reduction motor 8 is mounted on the upper side of the driving frame 10 through a machine base, and at the same time, the output shaft of the reduction motor 8 is fixed to a transmission shaft 11, and a turntable 12 is mounted at the bottom of the transmission shaft 11, a driving plate 13 is movably mounted on the surface of the turntable 12, and one end of the driving plate 13 away from the turntable 12 is movably connected to the screening inner frame 2, and a stirring plate 4 is movably mounted inside the screening inner frame 2.
[0019] Working principle: When in use, place the material to be screened inside the screening inner frame 2, then start the external switch of the reduction motor 8, the output shaft of the reduction motor 8 drives the right pulley 9 and the turntable 12 to rotate respectively, and the right pulley 9 drives the stirring plate 4 to rotate through the transmission assembly; the turntable 12 drives the screening inner frame 2 to move horizontally through the transmission assembly; the lateral movement of the screening inner frame 2 makes the logistics inside it always in an active state; at the same time, under the stirring work of the stirring plate 4, the material inside the screening inner frame 2 can be quickly screened through the screening net 3, thereby increasing the falling speed of the foundry sand on the surface of the screening net 3, and at the same time replacing the method of driving with a vibration motor, avoiding long-term vibration of the equipment, easy damage to parts, easy loosening of screws, and reduced service life.
[0020] As a preferred embodiment, the right pulley 9 and the turntable 12 are respectively installed on the transmission shaft 11, and the right pulley 9 and the left pulley 6 are horizontally arranged, and the right pulley 9 and the left pulley 6 are driven by a V-belt.
[0021] like Figure 1 As shown: the driving mode of the stirring plate 4 is: the right pulley 9 drives the left pulley 6 to rotate under the action of the belt, and the left pulley 6 drives the two groups of stirring plates 4 to rotate through the rotating shaft 5. The two groups of stirring plates 4 rotate to stir the materials inside the screening inner frame 2, thereby increasing the screening speed of the materials on the surface of the screening net 3.
[0022] As a preferred implementation, the left pulley 6 is welded and fixed to the rotating shaft 5 , and stirring plates 4 are welded on both sides of the bottom of the rotating shaft 5 , and two groups of stirring plates 4 are respectively arranged on the upper surface of the screening net 3 .
[0023] like Figure 1 As shown: two groups of stirring plates 4 are respectively arranged on the upper side surface of the screening net 3, so that the materials covered on the surface of the screening net 3 can be quickly screened and dropped.
[0024] As a preferred embodiment, the turntable 12 drives the screening inner frame 2 to move back and forth laterally inside the mounting frame 1 through the driving plate 13 , and the driving sources of the screening inner frame 2 and the stirring plate 4 are both the reduction motor 8 .
[0025] like Figure 1-3 As shown: the reduction motor 8 drives the turntable 12 to rotate, and the turntable 12 drives the screening inner frame 2 to move back and forth horizontally through the driving plate 13, so that the material inside the screening inner frame 2 is always in a flowing state, thereby accelerating the screening speed of the logistics.
[0026] As a preferred embodiment, four sets of guide rods 7 are welded on both sides of the screening inner frame 2, and the guide rods 7 are inserted into the guide holes opened on the two side walls of the installation frame 1, and the ends of the guide rods 7 are welded with limit plates.
[0027] like Figure 1-4 As shown: when the screening inner frame 2 moves back and forth laterally, the guide rods 7 on both sides thereof are inserted into the guide holes provided on the two side walls of the mounting frame 1, so as to limit the positioning, guide and support the laterally moving screening inner frame 2, thereby ensuring the stability of the screening inner frame 2 during the laterally moving.
[0028] As a preferred embodiment, a material guiding channel 14 is welded on the inner lower side of the installation frame 1 , and the material outlet of the material guiding channel 14 is arranged on the upper side of the collecting frame 15 .
[0029] like Figure 1 As shown: the driving sources of the screening inner frame 2 and the stirring plate 4 are both the reduction motor 8, and one motor can realize the driving work of two groups of devices, thereby reducing the manufacturing cost of the device.
[0030] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A foundry sand screening device for casting parts, comprising a mounting frame (1), a screening inner frame (2) being movably mounted inside the mounting frame (1), a screening net (3) being mounted at the bottom of the screening inner frame (2), and the bottom of the mounting frame (1) being supported by a support frame, characterized in that: A driving frame (10) is screwed onto the right side of the mounting frame (1), and a reduction motor (8) is mounted on the upper side of the driving frame (10) through a machine base, while an output shaft of the reduction motor (8) is fixed to a transmission shaft (11), and a turntable (12) is mounted at the bottom of the transmission shaft (11), a driving plate (13) is movably mounted on the surface of the turntable (12), and an end of the driving plate (13) away from the turntable (12) is movably connected to a screening inner frame (2), and a stirring plate (4) is movably mounted inside the screening inner frame (2).
2. The foundry sand screening device for casting parts according to claim 1, characterized in that: The transmission shaft (11) is respectively provided with a right pulley (9) and a rotating disk (12), and the right pulley (9) and the left pulley (6) are arranged horizontally, and transmission is performed between the right pulley (9) and the left pulley (6) via a V-belt.
3. The foundry sand screening device for casting parts according to claim 2, characterized in that: The left pulley (6) is welded and fixed to the rotating shaft (5), and stirring plates (4) are welded on both sides of the bottom of the rotating shaft (5), and two groups of stirring plates (4) are respectively arranged on the upper side surface of the screening net (3).
4. The foundry sand screening device for casting parts according to claim 2, characterized in that: The rotating disk (12) drives the screening inner frame (2) to move back and forth laterally inside the mounting frame (1) via a driving plate (13), and the driving sources of the screening inner frame (2) and the stirring plate (4) are both reduction motors (8).
5. The foundry sand screening device for casting parts according to claim 1, characterized in that: Four groups of guide rods (7) are welded on both sides of the screening inner frame (2), and the guide rods (7) are inserted into guide holes opened on the two side walls of the installation frame (1), and the ends of the guide rods (7) are welded with limit plates.
6. The foundry sand screening device for casting parts according to claim 1, characterized in that: A material guiding channel (14) is welded on the lower inner side of the installation frame (1), and the material outlet of the material guiding channel (14) is arranged on the upper side of the collection frame (15).