Automatic sand core cleaning device for pipe socket of nodular cast iron

Abstract

The utility model discloses a nodular cast iron pipe socket place sand core automatic cleaning device, including the bottom plate, the left side fixedly connected with fixed plate of bottom plate top, the utility model discloses a fixed plate and movable board's cooperation can adapt to the nodular cast iron pipe of different length, and the movable frame is driven with support frame and supports the wheel to pipe fitting and forms stable support, and the reduction motor drives the wheel to make pipe fitting rotate, and the electric telescopic link adjusts the cleaning roller height simultaneously, and the DC motor drives the cleaning roller rotation, realizes the automatic cleaning of socket place sand core. This whole structure has replaced the traditional manual cleaning mode, and the labor intensity of workers is greatly reduced, fatigue caused by long -term repetitive operation is avoided, and the cleaning process is stably controllable through mechanical cooperation, cleaning efficiency and quality are effectively improved, cleaning is not thorough or over cleaning problem caused by manual operation difference is reduced, and the device has the advantages of good cleaning effect and convenient use.

Description

Technical Field

[0001] This utility model relates to the field of ductile iron pipe technology, specifically to an automatic sand core cleaning device for the socket of ductile iron pipe. Background Technology

[0002] During the production of ductile iron pipes, the socket area typically requires the use of a sand core for molding. After the casting is formed, the sand core needs to be cleaned from the socket area. Currently, the cleaning of the sand core at the socket area of ​​ductile iron pipes is mostly done manually, with workers using hand tools to clean the sand core.

[0003] This manual cleaning method has the following drawbacks: First, it is labor-intensive, requiring workers to perform repetitive tasks for extended periods, which can easily lead to fatigue; second, it is inefficient and cannot meet the needs of mass production; and third, the cleaning quality is unstable, greatly affected by the workers' skills and sense of responsibility, which can easily result in incomplete cleaning or over-cleaning that damages the pipe fittings.

[0004] Therefore, developing a device that can automatically clean the sand core at the socket of ductile iron pipes to improve cleaning efficiency and quality, reduce labor intensity, and improve the working environment has become an urgent technical problem to be solved in this field. Utility Model Content

[0005] To address the problems mentioned in the background art, the purpose of this utility model is to provide an automatic sand core cleaning device for the socket of ductile iron pipes, which has the advantages of good cleaning effect and ease of use.

[0006] To achieve the above objectives, this utility model provides the following technical solution: an automatic sand core cleaning device for the socket of ductile iron pipes, comprising a base plate, a fixed plate fixedly connected to the left side of the top of the base plate, sliding grooves provided on the front and rear sides of the top of the base plate, with sliders slidably connected inside the sliding grooves, a movable plate provided on the right side of the top of the base plate, the top of the slider fixedly connected to the bottom of the movable plate, a support plate fixedly connected to the top of both the fixed plate and the movable plate via brackets, sliding grooves provided on both sides of the top of the support plate, with movable frames slidably connected to the front and rear sides inside the sliding grooves. The movable frame has support frames hinged to both sides inside. Support wheels are rotatably connected to the surface of the support frames. There are two support wheels. A reduction motor is fixedly connected to the right side of the left support frame. The output end of the reduction motor is fixedly connected to the support wheel. A gantry frame is fixedly connected to the top left side of the base plate. An electric telescopic rod is fixedly connected to the top of the gantry frame. A lifting frame is fixedly connected to the output end of the electric telescopic rod. A cleaning roller is rotatably connected inside the lifting frame. A DC motor is fixedly connected to the surface of the lifting frame. The output end of the DC motor is fixedly connected to the cleaning roller.

[0007] As a preferred embodiment of this invention, nozzles are fixedly connected to both the front and rear sides of the right side of the lifting frame.

[0008] As a preferred embodiment of this utility model, the front and rear sides of the top of the lifting frame are fixedly connected with limit rods, the limit rods are slidably connected to the gantry frame, and the top of the limit rods extends to the top of the gantry frame.

[0009] As a preferred embodiment of this utility model, mounting blocks are fixedly connected to both sides of the front and back of the movable plate, and a mounting groove is provided on the top of the base plate. The number of mounting grooves is several, and bolts are provided on the surface of the mounting blocks. The bolts are threadedly connected to the mounting grooves.

[0010] In a preferred embodiment of this invention, a drive box is fixedly connected to the bottom of the support plate. A drive frame is slidably connected to the front and rear sides inside the drive box. The drive frame is fixedly connected to the movable frame. A threaded rod with positive and negative threads is rotatably connected inside the drive box. The threaded rod with positive and negative threads is threadedly connected to the drive frame. A drive motor is fixedly connected to the front of the drive box. The output end of the drive motor is fixedly connected to the threaded rod with positive and negative threads.

[0011] As a preferred embodiment of this invention, the support plate is provided with movable grooves on both sides, and the drive frame is slidably connected to the movable grooves.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows: 1. This utility model utilizes a combination of a fixed plate and a movable plate to accommodate ductile iron pipes of varying lengths. The movable frame and support frame drive support wheels to provide stable support for the pipe fittings. A geared motor drives the support wheels to rotate the pipe fittings, while an electric telescopic rod adjusts the height of the cleaning rollers. A DC motor drives the cleaning rollers to rotate, achieving automatic cleaning of the sand core at the socket. This integrated structure replaces the traditional manual cleaning method, significantly reducing worker labor intensity and avoiding fatigue caused by prolonged repetitive work. Simultaneously, the mechanical coordination ensures a stable and controllable cleaning process, effectively improving cleaning efficiency and quality, and reducing incomplete or excessive cleaning caused by differences in manual operation. This device boasts the advantages of excellent cleaning effect and ease of use.

[0013] 2. This invention features a nozzle positioned towards the cleaning roller, enabling the spraying of cleaning fluid onto the contact area between the cleaning roller and the sand core during the cleaning process. This not only promptly removes debris generated during cleaning, preventing debris accumulation from affecting the cleaning effect, but also cools the cleaning roller, reducing component wear caused by frictional heat. Simultaneously, the use of cleaning fluid reduces dust emissions, improves the working environment, protects operator health, further enhances the smoothness and continuity of the cleaning process, and ensures a more thorough cleaning effect. The nozzle is connected to an external water pump via a hose, which delivers cleaning fluid from an external storage tank to the nozzle. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a schematic diagram of the movable frame, support frame, and support wheels of this utility model; Figure 3 This is a schematic diagram of the drive box and drive frame structure of this utility model; Figure 4 This utility model Figure 1 Enlarged schematic diagram of the structure at point A in the middle.

[0015] In the diagram: 1. Base plate; 2. Fixed plate; 3. Movable plate; 4. Support plate; 5. Movable frame; 6. Support frame; 7. Support wheel; 8. Gear motor; 9. Gantry frame; 10. Electric telescopic rod; 11. Lifting frame; 12. Cleaning roller; 13. Nozzle; 14. Limit rod; 15. Mounting block; 16. Bolt; 17. Drive box; 18. Drive frame; 19. Drive motor. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0017] like Figures 1 to 4As shown, an automatic sand core cleaning device for the socket of a ductile iron pipe includes a base plate 1. A fixed plate 2 is fixedly connected to the left side of the top of the base plate 1. Sliding grooves are provided on the front and rear sides of the top of the base plate 1, and sliders are slidably connected inside the sliding grooves. A movable plate 3 is provided on the right side of the top of the base plate 1. The top of the slider is fixedly connected to the bottom of the movable plate 3. Support plates 4 are fixedly connected to the top of both the fixed plate 2 and the movable plate 3 via brackets. Sliding grooves are provided on both sides of the top of the support plate 4, and movable frames 5 are slidably connected to the front and rear sides inside the sliding grooves. Two movable frames 5 are slidably connected inside the movable frames 5. Each side is hinged with a support frame 6, and two support wheels 7 are rotatably connected to the surface of the support frame 6. A reduction motor 8 is fixedly connected to the right side of the left support frame 6, and the output end of the reduction motor 8 is fixedly connected to the support wheel 7. A gantry frame 9 is fixedly connected to the top left of the base plate 1, and an electric telescopic rod 10 is fixedly connected to the top of the gantry frame 9. A lifting frame 11 is fixedly connected to the output end of the electric telescopic rod 10. A cleaning roller 12 is rotatably connected inside the lifting frame 11, and a DC motor is fixedly connected to the surface of the lifting frame 11. The output end of the DC motor is connected to the cleaning roller 12. The fixed connection, the aforementioned cleaning roller 12 is a common existing technology and is common knowledge to those skilled in the art, and will not be described in detail here. Related contents not disclosed in this application, such as the power supply circuits and control systems of various electrical appliances in the device, are common knowledge to those skilled in the art, and will not be described in detail here. A retractable protective sleeve is provided on the surface of the threaded rod to prevent debris from adhering to the surface of the threaded rod and affecting its operation. The retractable protective sleeve is not shown. The operator can adjust the distance between the two support plates 4 on the left and right sides and the two movable frames at the top of the support plates 4. The distance between 5 is used to support ductile iron pipes of different lengths and diameters. The ductile iron pipe is placed on the support wheel 7, so that the socket of the ductile iron pipe faces to the left. The ductile iron pipe is moved to the left so that the cleaning roller 12 fits with the inner wall of the socket. The cleaning roller 12 is adjusted upward by the electric telescopic rod 10 so that the cleaning roller 12 is in contact with the top of the inner wall of the ductile iron pipe socket. Then the DC motor is started to drive the cleaning roller 12 to rotate, and the reduction motor 8 drives the support wheel 7 to rotate, which in turn drives the ductile iron pipe to rotate, thereby cleaning the socket of the ductile iron pipe.

[0018] refer to Figure 4 Nozzles 13 are fixedly connected to the front and rear sides of the right side of the lifting frame 11.

[0019] As a technical optimization of this utility model, the nozzle 13 is positioned towards the cleaning roller 12, enabling the spraying of cleaning fluid onto the contact area between the cleaning roller 12 and the sand core during the cleaning process. This not only promptly removes debris generated during cleaning, preventing debris accumulation from affecting the cleaning effect, but also cools the cleaning roller 12, reducing component wear caused by frictional heat. Simultaneously, the use of cleaning fluid reduces dust emissions, improves the working environment, protects the health of operators, further enhances the smoothness and continuity of the cleaning process, and ensures a more thorough cleaning effect. The nozzle 13 is connected to an external water pump via a hose, and the water pump delivers the cleaning fluid from the external storage tank to the nozzle 13.

[0020] refer to Figure 1 Limiting rods 14 are fixedly connected to the front and rear sides of the top of the lifting frame 11. The limiting rods 14 are slidably connected to the gantry frame 9, and the top of the limiting rods 14 extends to the top of the gantry frame 9.

[0021] As a technical optimization of this utility model, the limiting rod 14 is slidably connected to the gantry frame 9 and moves synchronously with the lifting frame 11, providing stable guidance for the up-and-down movement of the lifting frame 11. This effectively avoids the swaying or deviation that may occur when the electric telescopic rod 10 drives the lifting frame 11, ensuring that the cleaning roller 12 always remains in the preset cleaning position and precisely fits against the inner wall of the ductile iron pipe socket. The stable movement trajectory reduces positional deviation during the cleaning process, ensuring the uniformity of sand core cleaning and preventing accidental damage to the pipe fittings caused by the swaying of the cleaning roller 12, thus improving the reliability of the device operation.

[0022] refer to Figure 2 Mounting blocks 15 are fixedly connected to both sides of the front and back of the movable plate 3. The top of the base plate 1 is provided with mounting grooves, and there are several mounting grooves. Bolts 16 are provided on the surface of the mounting blocks 15, and the bolts 16 are threadedly connected to the mounting grooves.

[0023] As a technical optimization of this utility model, the mounting block 15 is fixed in the mounting groove at different positions by bolts 16, allowing for flexible adjustment of the distance between the movable plate 3 and the fixed plate 2. This enables the device to be adapted to the actual length of the ductile iron pipe, meeting the cleaning needs of different pipe specifications without changing the equipment, greatly enhancing the device's versatility. Simultaneously, the bolt 16 fixing method is simple to operate and provides a stable connection, ensuring that the movable plate 3 will not shift due to pipe rotation or vibration during the cleaning process, thus guaranteeing the stability of the overall structure and ease of operation.

[0024] refer to Figure 3A drive box 17 is fixedly connected to the bottom of the support plate 4. A drive frame 18 is slidably connected to the front and rear sides inside the drive box 17. The drive frame 18 is fixedly connected to the movable frame 5. A threaded rod with positive and negative threads is rotatably connected inside the drive box 17. The threaded rod with positive and negative threads is threadedly connected to the drive frame 18. A drive motor 19 is fixedly connected to the front of the drive box 17. The output end of the drive motor 19 is fixedly connected to the threaded rod with positive and negative threads.

[0025] As a technical optimization of this utility model, the structure of drive box 17, drive frame 18, threaded rods, and drive motor 19 enables the drive motor 19 to rotate the threaded rods, which in turn drives the drive frames 18 on both sides to move in opposite directions, thereby adjusting the spacing of the movable frame 5. This structure achieves automatic adjustment of the spacing of the support wheels 7, quickly adapting to ductile iron pipes of different diameters without manual adjustment, reducing preparation time and improving work efficiency. Simultaneously, the mechanical drive ensures adjustment accuracy, making the support wheels 7 provide more uniform and stable support to the pipe fittings, preventing pipe tilting or offset due to improper spacing, and further ensuring the stability of the cleaning process.

[0026] refer to Figure 2 Both sides of the support plate 4 are provided with movable slots, and the drive frame 18 is slidably connected to the movable slots.

[0027] As a technical optimization of this utility model, the drive frame 18 is slidably connected to the movable slot through the movable slot structure, providing precise guidance for the movement of the drive frame 18. This ensures that the drive frame 18 moves smoothly along a fixed trajectory under the drive of the positive and negative threaded rod, avoiding jamming or deviation, and making the position adjustment of the movable frame 5 and the support wheel 7 more precise and reliable. The stable sliding fit reduces mechanical wear, extends the service life of components, and ensures that the support wheel 7 maintains symmetrical and stable support for the ductile iron pipe, providing a solid foundation for pipe rotation and cleaning roller 12 operation, and improving the overall smoothness and durability of the device.

[0028] The working principle and usage process of this utility model are as follows: First, check that all components of the device are functioning properly, ensuring all connections are secure and the power lines are undamaged. Then, according to the length of the ductile iron pipe to be cleaned, loosen the bolts 16 on the movable plate 3 and move the movable plate 3 along the sliding groove of the base plate 1 to a suitable position, so that the distance between the fixed plate 2 and the movable plate 3 matches the pipe length. Then, tighten the bolts 16 and fix the movable plate 3 in the corresponding mounting groove using the mounting block 15. Next, start the drive motor 19 on the drive box 17. The drive motor 19 drives the internal positive and negative threaded rod to rotate, causing the drive frame 18 to slide along the movable groove, thereby moving the movable frame 5 within the sliding groove of the support plate 4. Adjust the distance between the front and rear movable frames 5 so that the support wheel 7 can fit the outer wall of the pipe. After completion, turn off the drive motor 19. Place the ductile iron pipe on the support wheel 7, ensuring the pipe socket faces left. Then, continue to move the ductile iron pipe to the left using external hoisting equipment, so that the cleaning roller 12 is inserted into the accurate position within the socket. Next, operate the electric telescopic rod 10 on the gantry 9 to move the lifting frame 11 up and down, driving the cleaning roller 12. Adjust the height of the cleaning roller 12 until it is flush with the inner wall of the socket. During the process, the limit rod 14 moves synchronously with the lifting frame 11 to ensure stable lifting. At the same time, connect the nozzle 13 to the external water pump and storage tank through a hose to ensure a normal supply of cleaning fluid. After everything is ready, first start the DC motor to drive the cleaning roller 12 to rotate, then start the geared motor 8 to drive the support wheel 7 to rotate. The support wheel 7 drives the ductile iron pipe to rotate, so that the cleaning roller 12 can thoroughly clean the sand core at the socket. During the cleaning process, turn on the water pump and spray the cleaning fluid into the contact area between the cleaning roller 12 and the sand core through the nozzle 13 to remove debris and cool the cleaning roller 12 in time.

[0029] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0030] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An automatic sand core cleaning device for the socket of a ductile iron pipe, comprising a base plate (1), characterized in that: A fixed plate (2) is fixedly connected to the left side of the top of the base plate (1). Slide grooves are provided on the front and rear sides of the top of the base plate (1), and sliders are slidably connected inside the slide grooves. A movable plate (3) is provided on the right side of the top of the base plate (1). The top of the slider is fixedly connected to the bottom of the movable plate (3). Support plates (4) are fixedly connected to the top of both the fixed plate (2) and the movable plate (3) through brackets. Slide grooves are provided on both sides of the top of the support plate (4), and movable frames (5) are slidably connected to the front and rear sides inside the slide grooves. Support frames (6) are hinged to both sides inside the movable frames (5). The surface of the support frames (6) is rotatably connected. The support is connected to a support wheel (7), and there are two support wheels (7). A reduction motor (8) is fixedly connected to the right side of the support frame (6) on the left side. The output end of the reduction motor (8) is fixedly connected to the support wheel (7). A gantry frame (9) is fixedly connected to the left side of the top of the base plate (1). An electric telescopic rod (10) is fixedly connected to the top of the gantry frame (9). A lifting frame (11) is fixedly connected to the output end of the electric telescopic rod (10). A cleaning roller (12) is rotatably connected inside the lifting frame (11). A DC motor is fixedly connected to the surface of the lifting frame (11). The output end of the DC motor is fixedly connected to the cleaning roller (12).

2. The automatic sand core cleaning device for the socket of ductile iron pipe according to claim 1, characterized in that: The front and rear sides of the right side of the lifting frame (11) are both fixedly connected to nozzles (13).

3. The automatic sand core cleaning device for the socket of a ductile iron pipe according to claim 2, characterized in that: Limiting rods (14) are fixedly connected to the front and rear sides of the top of the lifting frame (11). The limiting rods (14) are slidably connected to the gantry frame (9), and the top of the limiting rods (14) extends above the gantry frame (9).

4. The automatic sand core cleaning device for the socket of a ductile iron pipe according to claim 3, characterized in that: The movable plate (3) has mounting blocks (15) fixedly connected to both sides of the front and back sides. The bottom plate (1) has a mounting groove on its top. There are several mounting grooves. The surface of the mounting block (15) is provided with bolts (16), and the bolts (16) are threadedly connected to the mounting groove.

5. The automatic sand core cleaning device for the socket of a ductile iron pipe according to claim 4, characterized in that: The bottom of the support plate (4) is fixedly connected to a drive box (17). The front and rear sides of the drive box (17) are slidably connected to drive frames (18). The drive frames (18) are fixedly connected to the movable frame (5). The drive box (17) is rotatably connected to a threaded rod. The threaded rod is threadedly connected to the drive frame (18). The front of the drive box (17) is fixedly connected to a drive motor (19). The output end of the drive motor (19) is fixedly connected to the threaded rod.

6. The automatic sand core cleaning device for the socket of ductile iron pipe according to claim 5, characterized in that: Both sides of the support plate (4) are provided with movable grooves, and the drive frame (18) is slidably connected to the movable grooves.

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