Molding sand treatment device for automobile casting production

Abstract

The utility model provides a molding sand processing device for automobile casting production, which comprises a bottom plate and an L-shaped plate, the top of the bottom plate is fixedly connected with a U-shaped plate, the middle end of the top of the bottom plate is provided with a drawing box, the inner side of the U-shaped plate is provided with a sand screening mechanism, and the sand screening mechanism comprises a double-shaft motor and a screening box. A casting is placed in the screening box, the output end of the double-shaft motor drives the gear to rotate front and back, the gear drives the screening box to move front and back under the action of meshing with teeth of the toothed plate, and the output end of the air cylinder drives the L-shaped plate and the screening box to move left and right, so that the casting is gradually separated from molding sand under front-back and left-right movement. The separated molding sand falls to the bottom of the inner cavity of the screening box through the screening net, the castings are left on the top of the screening net to wait for follow-up unified collection, the separation efficiency of the castings and the molding sand is improved, the device is suitable for batch production, and the practicability of the device is improved.

Description

Technical Field

[0001] The utility model relates to a molding sand processing device for automobile casting production, belonging to the technical field of automobile castings. Background Art

[0002] Automotive castings are an indispensable component in automobile manufacturing. They usually refer to automotive parts made through the casting process. Casting is a metal heat processing process that can pour molten metal materials into a pre-designed mold. After cooling, it forms a part blank with a certain shape, size and performance. Automotive castings include but are not limited to key components such as engine cylinder blocks, cylinder heads, transmission cases, bearings, brake discs, etc.

[0003] A Chinese patent publication (publication number: CN 215845515 U) discloses a molding sand processing device for automobile casting production, comprising a base plate, a first hydraulic cylinder provided on the top of the base plate, supports provided on both sides of the first hydraulic cylinder, wherein a limiting block is provided between each of the supports, a workbench provided on the top of the supports, a side plate provided on the top of the workbench, a fixed plate provided between each of the side plates, a first slide bar provided at one end of the fixed plate, a second hydraulic cylinder provided between each of the first slide bars, guide plates provided on both sides of the workbench, a first material receiving box provided under one of the guide plates, a support provided on one side of the other guide plate, and a rotating motor provided on the top of the support. The beneficial effect is that the utility model can remove the sand core on the automobile casting to facilitate the subsequent cleaning of the automobile casting, reduce the labor intensity of workers, and improve the efficiency of molding sand recovery;

[0004] Although the above patent can remove the sand cores on automobile castings, it still has certain defects. The above patent can only remove the molding sand of one casting at a time, which is inefficient and cannot meet the requirements of large-scale processing, thereby reducing the processing efficiency of the molding sand. Moreover, the above patent only drills out the sand cores on automobile castings through a drill bit, and the separation effect of the casting and the molding sand is not ideal, thereby reducing the practicality of the equipment.

[0005] Therefore, a molding sand processing device for automobile casting production is proposed. Utility Model Content

[0006] In view of this, the utility model provides a molding sand processing device for automobile casting production to solve or alleviate the technical problems existing in the prior art and at least provide a beneficial choice.

[0007] The technical solution of the present utility model is implemented as follows: a molding sand processing device for automobile casting production comprises a base plate and an L-shaped plate, the top of the base plate is fixedly connected to the U-shaped plate, the middle end of the top of the base plate is provided with a pull-out box, the inner side of the U-shaped plate is provided with a sand screening mechanism, the sand screening mechanism comprises a dual-axis motor and a sub-screening box, the middle end of the inner cavity of the sub-screening box is fixedly connected to the sub-screening mesh, the left and right sides of the rear bottom side of the sub-screening box are fixedly connected with tooth plates, the output ends on both sides of the dual-axis motor are rotatably connected with gears, the tops of the two gears are meshed with the bottoms of the two tooth plates, the right side of the U-shaped plate is fixedly connected to a cylinder, and the right side of the L-shaped plate is fixedly connected to the output end of the cylinder.

[0008] Further preferably, the left and right sides of the screening box are fixedly connected with welding rods, the bottoms of the two welding rods are fixedly connected with support legs, the inner sides of the two support legs are movably connected with guide wheels through bearings, and guide grooves are provided on the left and right sides of the top of the L-shaped plate.

[0009] Further preferably, sliders are fixedly connected to the four sides of the bottom of the L-shaped plate, and sliding grooves are provided on the front and rear sides of the top of the inner cavity of the U-shaped plate, and the bottoms of the four sliders are slidably connected to the inner cavity of the sliding grooves.

[0010] Further preferably, a mounting seat is fixedly connected to the rear side of the top of the L-shaped plate, and the dual-axis motor is fixedly connected to the inner side of the mounting seat.

[0011] Further preferably, rectangular blocks are fixedly connected to the four sides of the bottom of the pull-out box, rectangular grooves are opened on the left and right sides of the top of the bottom plate, and the bottoms of the four rectangular blocks are slidably connected to the inner cavities of the two rectangular grooves.

[0012] Further preferably, a slot is provided on the front side of the screening box, and a baffle is clamped on the inner side of the slot.

[0013] Further preferably, the left and right sides of the top of the baffle are fixedly connected with fixing blocks, and the two fixing blocks are connected to the front side of the screening box through threads.

[0014] Further preferably, a first sand outlet is provided at the bottom of the L-shaped plate, and a second sand outlet is provided at the bottom of the U-shaped plate.

[0015] The embodiment of the present invention has the following advantages due to the adoption of the above technical solution:

[0016] 1. The utility model sets a sand screening mechanism, places the casting inside the screening box, drives the gear to rotate back and forth through the output end of the double-axis motor, drives the screening box to move back and forth through the action of meshing with the teeth of the toothed plate, and drives the L-shaped plate and the screening box to move left and right through the output end of the cylinder, so that the casting is gradually separated from the molding sand during the movement back and forth, left and right, and the separated molding sand falls to the bottom of the inner cavity of the screening box through the screening mesh, and the casting remains on the top of the screening mesh waiting for subsequent unified collection, thereby improving the separation efficiency of castings and molding sand, being suitable for batch production, and improving the practicality of the equipment.

[0017] 2. The utility model can improve the stability of the screening box during its forward and backward movement by arranging the guide wheels and the guide grooves, can improve the stability of the L-shaped plate when it moves left and right by arranging the sliders and the slide grooves, can fix the dual-axis motor by arranging the mounting seat, and play the role of installation and fixing, can improve the stability of the pull-out box during its pulling and pulling by arranging the rectangular blocks and the rectangular grooves, can conveniently block the molding sand inside the screening box by arranging the baffles, can conveniently fix the baffles by arranging the first sand outlet and the second sand outlet, can allow the molding sand inside the screening box to fall into the interior of the pull-out box through the first sand outlet and the second sand outlet, and can be conveniently collected uniformly.

[0018] The above summary is for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the present invention will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0020] Figure 1 This is a schematic diagram of the three-dimensional front view structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the bottom structure of the utility model;

[0022] Figure 3 This is a schematic diagram of the top structure of the rotating table of the present utility model;

[0023] Figure 4 This is a structural diagram of the cover plate of the present invention in a disassembled state;

[0024] Figure 5This is a structural diagram of the material taking component of the present utility model.

[0025] Figure numerals: 1. Bottom plate; 2. Sand screening mechanism; 201. Double-axis motor; 202. Screening box; 203. Gear; 204. Tooth plate; 205. Cylinder; 206. Welding rod; 207. Support leg; 208. Guide wheel; 209. Guide groove; 210. Screening mesh; 3. L-shaped plate; 4. U-shaped plate; 5. Pull-out box; 6. Slider; 7. Slide; 8. Mounting seat; 9. Rectangular block; 10. Rectangular groove; 11. Card slot; 12. Baffle; 13. Fixed block; 14. First sand outlet; 15. Second sand outlet. DETAILED DESCRIPTION

[0026] Hereinafter, only certain exemplary embodiments are briefly described. As will be appreciated by those skilled in the art, the described embodiments may be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and description are to be regarded as illustrative in nature and not restrictive.

[0027] The embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0028] Example 1

[0029] like Figure 1-5 As shown, an embodiment of the utility model provides a molding sand processing device for automobile casting production, including a base plate 1 and an L-shaped plate 3. The top of the base plate 1 is fixedly connected to a U-shaped plate 4, and a pull-out box 5 is provided at the middle end of the top of the base plate 1. A sand screening mechanism 2 is provided on the inner side of the U-shaped plate 4. The sand screening mechanism 2 includes a dual-axis motor 201 and a sub-screening box 202. The middle end of the inner cavity of the sub-screening box 202 is fixedly connected to a sub-screen 210, and the left and right sides of the rear bottom of the sub-screening box 202 are fixedly connected to tooth plates 204. The output ends on both sides of the dual-axis motor 201 are rotatably connected to gears 203, and the tops of the two gears 203 are meshed with the bottoms of the two tooth plates 204. The right side of the U-shaped plate 4 is fixedly connected to a cylinder 205, and the right side of the L-shaped plate 3 is fixedly connected to the output end of the cylinder 205.

[0030] By setting up a sand screening mechanism 2, the casting is placed inside the screening box 202, and the output end of the dual-axis motor 201 drives the gear 203 to rotate back and forth. The gear 203 drives the screening box 202 to move back and forth through the action of meshing with the teeth of the tooth plate 204, and the output end of the cylinder 205 drives the L-shaped plate 3 and the screening box 202 to move left and right, so that the casting is gradually separated from the molding sand during the movement back and forth, left and right, and the separated molding sand falls to the bottom of the inner cavity of the screening box 202 through the screening mesh 210, and the casting remains on the top of the screening mesh 210 waiting for subsequent unified collection, thereby improving the separation efficiency of the casting and the molding sand, being suitable for batch production, and improving the practicality of the equipment.

[0031] Example 2

[0032] In one embodiment, the left and right sides of the screening box 202 are fixedly connected with welding rods 206, the bottoms of the two welding rods 206 are fixedly connected with support legs 207, the inner sides of the two support legs 207 are movably connected with guide wheels 208 through bearings, the left and right sides of the top of the L-shaped plate 3 are provided with guide grooves 209, the four sides of the bottom of the L-shaped plate 3 are fixedly connected with sliders 6, the front and rear sides of the top of the inner cavity of the U-shaped plate 4 are provided with slide grooves 7, the bottoms of the four sliders 6 are slidably connected to the inner cavity of the slide groove 7, the rear side of the top of the L-shaped plate 3 is fixedly connected with a mounting seat 8, and the dual-axis motor 201 is fixed. It is fixedly connected to the inner side of the mounting seat 8, and rectangular blocks 9 are fixedly connected on all four sides of the bottom of the pull-out box 5. Rectangular grooves 10 are provided on the left and right sides of the top of the bottom plate 1. The bottoms of the four rectangular blocks 9 are slidably connected to the inner cavities of the two rectangular grooves 10. A card slot 11 is provided on the front side of the screening box 202, and a baffle 12 is clamped on the inner side of the card slot 11. Fixed blocks 13 are fixedly connected on the left and right sides of the top of the baffle 12. The two fixed blocks 13 are threadedly connected to the front side of the screening box 202. A first sand outlet 14 is provided at the bottom of the L-shaped plate 3, and a second sand outlet 15 is provided at the bottom of the U-shaped plate 4.

[0033] By setting the guide wheel 208 and the guide groove 209, the stability of the screening box 202 during the forward and backward movement can be improved. By setting the slider 6 and the slide groove 7, the stability of the L-shaped plate 3 during the left and right movement can be improved. By setting the mounting seat 8, the dual-axis motor 201 can be fixed to play the role of installation and fixing. By setting the rectangular block 9 and the rectangular groove 10, the stability of the pull-out box 5 during the pulling and pulling process can be improved. By setting the baffle 12, the molding sand inside the screening box 202 can be conveniently blocked. By setting the fixing block 13, the baffle 12 can be conveniently fixed. By setting the first sand outlet 14 and the second sand outlet 15, the molding sand inside the screening box 202 can fall into the interior of the pull-out box 5 through the first sand outlet 14 and the second sand outlet 15, which is convenient for unified collection.

[0034] When the utility model is working: first, the casting is put into the interior of the screening box 202, and the output end of the dual-axis motor 201 drives the gear 203 to rotate back and forth, and the gear 203 drives the screening box 202 to move back and forth through the action of meshing with the teeth of the tooth plate 204, and the output end of the cylinder 205 drives the L-shaped plate 3 and the screening box 202 to move left and right, so that the casting is gradually separated from the molding sand under the movement of front, back, left and right, and the separated molding sand falls to the bottom of the inner cavity of the screening box 202 through the screening mesh 210, and the fixed block 13 is separated from the screening box 202 by a screwdriver, and the baffle 12 is pulled outward, and the molding sand inside the screening box 202 falls into the interior of the pull-out box 5 through the first sand outlet 14 and the second sand outlet 15, which is convenient for unified collection.

[0035] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any person skilled in the art can easily conceive of various modifications or substitutions within the technical scope disclosed in the present invention, and such modifications or substitutions are intended to be within the scope of protection of the present invention. Therefore, the scope of protection of the present invention shall be based on the scope of protection of the claims.

Claims

1. A molding sand processing device for automobile casting production, characterized by: The invention comprises a bottom plate (1) and an L-shaped plate (3), wherein the top of the bottom plate (1) is fixedly connected to a U-shaped plate (4), the middle end of the top of the bottom plate (1) is provided with a pull-out box (5), the inner side of the U-shaped plate (4) is provided with a sand screening mechanism (2), the sand screening mechanism (2) comprises a double-shaft motor (201) and a sub-screen box (202), the middle end of the inner cavity of the sub-screen box (202) is fixedly connected to a sub-screen (210), the left and right sides of the rear side of the bottom of the sub-screen box (202) are fixedly connected to tooth plates (204), the output ends of both sides of the double-shaft motor (201) are rotatably connected to gears (203), the tops of the two gears (203) are connected to the bottoms of the two tooth plates (204) in a toothed meshing manner, the right side of the U-shaped plate (4) is fixedly connected to a cylinder (205), and the right side of the L-shaped plate (3) is fixedly connected to the output end of the cylinder (205).

2. The molding sand processing device for automobile casting production according to claim 1, characterized in that: The left and right sides of the screening box (202) are fixedly connected to welding rods (206), the bottoms of the two welding rods (206) are fixedly connected to support legs (207), the inner sides of the two support legs (207) are movably connected to guide wheels (208) through bearings, and the left and right sides of the top of the L-shaped plate (3) are provided with guide grooves (209).

3. The molding sand processing device for automobile casting production according to claim 1, characterized in that: Slide blocks (6) are fixedly connected to the four sides of the bottom of the L-shaped plate (3), and slide grooves (7) are provided on the front and rear sides of the top of the inner cavity of the U-shaped plate (4), and the bottoms of the four slide blocks (6) are slidably connected to the inner cavity of the slide grooves (7).

4. The molding sand processing device for automobile casting production according to claim 1, characterized in that: The rear side of the top of the L-shaped plate (3) is fixedly connected to a mounting seat (8), and the dual-axis motor (201) is fixedly connected to the inner side of the mounting seat (8).

5. The molding sand processing device for automobile casting production according to claim 1, characterized in that: Rectangular blocks (9) are fixedly connected around the bottom of the pull-out box (5), and rectangular grooves (10) are opened on the left and right sides of the top of the bottom plate (1), and the bottoms of the four rectangular blocks (9) are slidably connected to the inner cavities of the two rectangular grooves (10).

6. The molding sand processing device for automobile casting production according to claim 5, characterized in that: A clamping slot (11) is provided on the front side of the screening box (202), and a baffle (12) is clamped on the inner side of the clamping slot (11).

7. The molding sand processing device for automobile casting production according to claim 6, characterized in that: The left and right sides of the top of the baffle (12) are both fixedly connected with fixed blocks (13), and the two fixed blocks (13) are connected to the front side of the screening box (202) through threads.

8. The molding sand processing device for automobile casting production according to claim 6, characterized in that: The bottom of the L-shaped plate (3) is provided with a first sand outlet (14), and the bottom of the U-shaped plate (4) is provided with a second sand outlet (15).

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