Sand cleaning device suitable for surface of nodular cast iron pipe fitting

Abstract

The utility model relates to the technical field of nodular cast iron pipe fittings, in particular to a sand cleaning device suitable for the surface of a nodular cast iron pipe fitting, which comprises a sand tank, a sand cleaning station arranged in the middle of the sand tank, preparation stations arranged on two sides of the sand cleaning station, and two groups of rotatable nodular cast iron pipe fitting rotating clamping tables, the two nodular cast iron pipe fitting rotating clamping tables can be horizontally moved as a whole and can be arranged at a sand cleaning station and one of the preparation stations correspondingly, and the upper portion of the sand cleaning station fixedly communicates with a sand cleaning box with inlets and outlets formed in the bottoms of the two sides; the nodular cast iron pipe fitting sand removing device is simple in structure, sand on the inner wall and the outer wall of a nodular cast iron pipe fitting can be conveniently and continuously removed, the sand removing energy consumption is reduced, the occupied area is reduced, the safety performance is further improved, and abrasion to the nodular cast iron pipe fitting is reduced.

Description

Technical Field

[0001] This utility model relates to the field of ductile iron pipe fittings technology, specifically a sand-removing device suitable for the surface of ductile iron pipe fittings. Background Technology

[0002] In the casting process, molding sand is an indispensable material used to manufacture molds and cores. However, after the casting cools and solidifies, molding sand often remains on the surface and inside the casting. This residual molding sand not only affects the appearance quality of the casting but may also adversely affect its performance. Therefore, sand removal is an essential part of the casting process. Existing methods for sand removal of ductile iron pipe fittings typically involve throwing the pipe into a tumbler to remove the sand remaining on the surface before discharging it. However, this method causes significant wear on the ductile iron pipe fittings and requires overcoming their weight for rotation, resulting in high energy consumption. Furthermore, the overall equipment used for this sand removal method is relatively large. Therefore, this paper proposes a sand removal device for ductile iron pipe fittings that is simple in structure, facilitates continuous sand removal of the inner and outer walls of ductile iron pipe fittings, reduces energy consumption and floor space, further improves safety performance, and reduces wear on the ductile iron pipe fittings. Utility Model Content

[0003] (a) Technical problems to be solved

[0004] To address the shortcomings of existing technologies, this utility model provides a sand-cleaning device suitable for the surface of ductile iron pipe fittings. It has a simple structure and facilitates continuous sand cleaning of the inner and outer walls of ductile iron pipe fittings, reducing sand cleaning energy consumption and floor space, further improving safety performance and reducing wear on ductile iron pipe fittings.

[0005] (II) Technical Solution

[0006] To achieve the above objectives, this utility model provides the following technical solution: a sand cleaning device suitable for the surface of ductile iron pipe fittings, including a sand trough, a sand cleaning station in the middle of the sand trough, and preparatory stations on both sides of the sand cleaning station. It also includes two sets of rotatable ductile iron pipe fitting rotating clamps, which can be moved as a whole and can be respectively positioned at the sand cleaning station and one of the preparatory stations. A sand cleaning box with inlets and outlets on both sides of the bottom is fixedly connected above the sand cleaning station. Two sets of vertically distributed and rotatable soft brush rollers are provided on the top of the sand cleaning box. The device also includes a lifting mechanism for driving the two soft brush rollers to rise and fall as a whole.

[0007] Preferably, an mounting plate is provided above the two soft brush rollers, and both soft brush rollers are rotatably connected to the mounting plate. The lifting mechanism includes a lifting drive cylinder fixedly installed on the top of the sand cleaning box. A lifting frame is fixedly installed on the bottom output shaft of the lifting drive cylinder, and the mounting plate is fixedly connected to the lifting frame.

[0008] Preferably, the lifting frame and the mounting plate are provided with a sand-cleaning drive mechanism for driving the two soft brush rollers to rotate. The sand-cleaning drive mechanism includes two sand-cleaning gears that are respectively fixedly installed on the soft brush rollers, and the two sand-cleaning gears are meshed with an auxiliary gear that is rotatably connected to the mounting plate. A sand-cleaning motor that drives one of the sand-cleaning gears to rotate is fixedly installed on the lifting frame.

[0009] Preferably, the sand trough is equipped with a reciprocating translational movement that drives two ductile iron pipe fitting rotating chucks to move simultaneously. The reciprocating translational movement includes a screw rotatably connected to the sand trough, and a sliding table that slides horizontally with the sand trough is threaded onto the screw. The two ductile iron pipe fitting rotating chucks are rotatably connected to the top of the sliding table. The bottom of the sliding table is equipped with two sets of rotary motors that drive the two ductile iron pipe fitting rotating chucks to rotate respectively. The sand trough also includes a sliding motor that drives the screw to rotate.

[0010] Preferably, the rotary motor is provided with a protective cover that can be detachably installed on the movable slide.

[0011] Preferably, splash guards are installed at both of the aforementioned inlets and outlets.

[0012] (III) Beneficial Effects

[0013] Compared with the prior art, this utility model provides a sand-removing device suitable for the surface of ductile iron pipe fittings, which has the following beneficial effects:

[0014] This sand-removing device for ductile iron pipe fittings utilizes a rotating clamping platform to vertically hold and support the fittings. Two sets of rotatable clamping platforms allow for intermittent movement to the sand-removing station. Two sets of soft brush rollers vertically insert into the inner and outer sides of the fitting, which has been moved to the sand-removing station. The rotating clamping platform at the sand-removing station then rotates, circumferentially cleaning the inner and outer walls of the fitting. This process allows for intermittent loading and unloading of the sand-removing box from the pre-positioned positions on both sides, improving sand-removing efficiency. The device is simple in structure, facilitates continuous sand removal of the inner and outer walls of ductile iron pipe fittings, reduces energy consumption and floor space, further enhances safety, and minimizes wear on the fittings. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0016] Figure 2 This utility model Figure 1 A magnified schematic diagram of the local structure at point A;

[0017] Figure 3 This is a structural schematic diagram of the present invention from another perspective;

[0018] Figure 4 This is a schematic diagram of the structure of the sand trough and the rotating clamp of the ductile iron pipe fitting of this utility model.

[0019] The following are labeled in the attached diagram: 1. Sand trough; 2. Rotary clamping table for ductile iron pipe fittings; 3. Sand cleaning box; 4. Soft brush roller; 5. Splash curtain; 6. Lifting drive cylinder; 7. Lifting frame; 8. Mounting plate; 9. Sand cleaning gear; 10. Auxiliary gear; 11. Sand cleaning motor; 12. Moving slide; 13. Rotary motor; 14. Screw; 15. Guide rod; 16. Moving motor; 17. Protective cover. Detailed Implementation

[0020] 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.

[0021] Example:

[0022] Please see Figure 1-4 A sand-cleaning device for the surface of ductile iron pipe fittings includes a sand tank 1, with a sand-cleaning station in the middle and preparatory stations on both sides of the sand-cleaning station. It also includes two sets of rotatable ductile iron pipe fitting rotating clamps 2, which can be moved as a whole and can be respectively positioned at the sand-cleaning station and one of the preparatory stations. A sand-cleaning box 3 with inlets and outlets on both sides of the bottom is fixedly connected above the sand-cleaning station. Two sets of vertically distributed and rotatable soft brush rollers 4 are installed on the top of the sand-cleaning box 3. The device also includes a lifting mechanism for driving the two soft brush rollers 4 to rise and fall as a whole.

[0023] Specifically, an mounting plate 8 is provided above the two soft brush rollers 4, and both soft brush rollers 4 are rotatably connected to the mounting plate 8. The lifting mechanism includes a lifting drive cylinder 6 fixedly installed on the top of the sand cleaning box 3. A lifting frame 7 is fixedly installed on the bottom output shaft of the lifting drive cylinder 6. The mounting plate 8 is fixedly connected to the lifting frame 7. Through the lifting frame 7, the lifting frame 7, the mounting plate 8 and the two soft brush rollers 4 can be easily driven to move up and down as a whole.

[0024] Specifically, the lifting frame 7 and the mounting plate 8 are equipped with a sand-cleaning drive mechanism that drives the two soft brush rollers 4 to rotate. The sand-cleaning drive mechanism includes two sand-cleaning gears 9 that are respectively fixedly installed on the soft brush rollers 4. The two sand-cleaning gears 9 are meshed with an auxiliary gear 10 that is rotatably connected to the mounting plate 8. A sand-cleaning motor 11 that drives one of the sand-cleaning gears 9 to rotate is fixedly installed on the lifting frame 7. When the sand-cleaning motor 11 is started, one of the sand-cleaning gears 9 rotates. Through the meshing of the auxiliary gear 10, the other sand-cleaning gear 9 is driven to rotate, thereby causing the two soft brush rollers 4 to rotate simultaneously, so that the two soft brush rollers 4 perform sand-cleaning operations from the inner and outer sides of the ductile iron pipe fitting.

[0025] Specifically, the sand trough 1 is equipped with a reciprocating translational movement that drives two ductile iron pipe fitting rotating chucks 2 to move simultaneously. The reciprocating translational movement includes a screw 14 rotatably connected to the sand trough 1, and a sliding table 12 that slides horizontally with the sand trough 1 is threaded onto the screw 14. The two ductile iron pipe fitting rotating chucks 2 are rotatably connected to the top of the sliding table 12. The bottom of the sliding table 12 is equipped with two sets of rotary motors 13 that drive the two ductile iron pipe fitting rotating chucks 2 to rotate respectively. The sand trough 1 also includes a sliding motor 16 that drives the screw 14 to rotate, and a guide rod 15 that is parallel to the screw 14 and slides with the sliding table 12. When the sliding motor 16 is started, its output shaft rotates clockwise or counterclockwise, thereby driving the sliding table 12 to move to the left or right. The guide rod 15 facilitates the support and guidance of the sliding table 12, increasing the stability of the sliding table 12.

[0026] Specifically, the rotary motor 13 is provided with a protective cover 17 that can be detachably installed on the movable slide 12. The protective cover 17 is provided to shield the rotary motor 13 and prevent debris from entering the rotary motor 13.

[0027] Specifically, splash curtains 5 are installed at both inlet and outlet. The splash curtains 5 help to prevent sand from splashing out of the inlet and outlet during the sand cleaning process.

[0028] It should be noted that the terms "one embodiment," "embodiment," "exemplary embodiment," "some embodiments," etc., mentioned in the specification indicate that the described embodiment may include a specific feature, structure, or characteristic, but not every embodiment necessarily includes that specific feature, structure, or characteristic. Furthermore, such phrases do not necessarily refer to the same embodiment. Moreover, when a specific feature, structure, or characteristic is described in connection with an embodiment, implementing such a feature, structure, or characteristic in conjunction with other embodiments, whether explicitly described or not, is within the knowledge scope of those skilled in the art.

[0029] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application.

Claims

1. A sand cleaning device suitable for use on the surface of a ductile iron pipe fitting, characterized by: The system includes a sand trough (1), with a sand cleaning station in the middle and two preparatory stations on both sides of the sand cleaning station. It also includes two sets of rotatable ductile iron pipe fitting rotating clamps (2), and the two ductile iron pipe fitting rotating clamps (2) can be moved as a whole and can be respectively set at the sand cleaning station and one of the preparatory stations. A sand cleaning box (3) with inlets and outlets on both sides is fixedly connected above the sand cleaning station. Two sets of vertically distributed and rotatable soft brush rollers (4) are set on the top of the sand cleaning box (3). The system also includes a lifting mechanism that drives the two soft brush rollers (4) to rise and fall as a whole.

2. The sand cleaning device for the surface of a ductile cast iron pipe fitting according to claim 1, characterized in that: An mounting plate (8) is provided above the two soft brush rollers (4), and both soft brush rollers (4) are rotatably connected to the mounting plate (8). The lifting mechanism includes a lifting drive cylinder (6) fixedly installed on the top of the sand cleaning box (3). A lifting frame (7) is fixedly installed on the bottom output shaft of the lifting drive cylinder (6), and the mounting plate (8) is fixedly connected to the lifting frame (7).

3. The sand cleaning device for the surface of a ductile cast iron pipe fitting according to claim 2, characterized in that: The lifting frame (7) and the mounting plate (8) are provided with a sand-cleaning drive mechanism for driving two soft brush rollers (4) to rotate. The sand-cleaning drive mechanism includes two sand-cleaning gears (9) respectively fixedly mounted on the soft brush rollers (4), and the two sand-cleaning gears (9) mesh with an auxiliary gear (10) rotatably connected to the mounting plate (8). The lifting frame (7) is fixedly mounted with a sand-cleaning motor (11) for driving one of the sand-cleaning gears (9) to rotate.

4. The sand cleaning device for the surface of a ductile cast iron pipe fitting according to claim 3, characterized in that: The sand trough (1) is equipped with a translational reciprocating motion that drives two ductile iron pipe fitting rotating chucks (2) to move simultaneously. The translational reciprocating motion includes a screw (14) rotatably connected to the sand trough (1). The screw (14) is threadedly connected to a sliding table (12) that slides horizontally with the sand trough (1). The two ductile iron pipe fitting rotating chucks (2) are rotatably connected to the top of the sliding table (12). The bottom of the sliding table (12) is equipped with two sets of rotary motors (13) that drive the two ductile iron pipe fitting rotating chucks (2) to rotate respectively. The sand trough (1) also includes a sliding motor (16) that drives the screw (14) to rotate.

5. The sand cleaning device for the surface of a ductile cast iron pipe fitting according to claim 4, characterized in that: The rotary motor (13) is provided with a protective cover (17) that can be detachably installed on the movable slide (12).

6. The sand cleaning device for the surface of a ductile cast iron pipe fitting according to claim 5, characterized in that: Splash curtains (5) are installed at both of the aforementioned entrances and exits.

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