Casting surface sand blasting treatment device

Abstract

The utility model discloses a casting surface sand blasting treatment device which comprises a sand receiving hopper, a plurality of spray gun frames and a plurality of sand blasting machines, the sand receiving hopper is placed on a support, a sand discharging pipe is arranged at the lower end of the sand receiving hopper, a rotating disc is arranged in the middle of the upper end of the sand receiving hopper, the rotating disc is rotatably installed on a placing frame, and the placing frame is fixedly connected with the upper end of the sand receiving hopper. The rotary table is driven by the motor to rotate, the motor is installed on the containing frame, the spray gun frames are located on one sides of the sand receiving hoppers respectively and detachably connected with the support, the sand blasting machine comprises sand blasting guns, and the sand blasting guns are detachably installed on the spray gun frames respectively. According to the casting surface sand blasting treatment device, the open type structure is suitable for sand blasting treatment of large castings, and the number and the angle positions of the sand blasting guns can be flexibly adjusted according to needs in the sand blasting process.

Description

TECHNICAL FIELD

[0001] The utility model belongs to foundry sand blasting technical field, concretely relates to foundry surface sand blasting treatment device. BACKGROUND

[0002] In the production process, the casting needs to be sandblasted to remove the surface rust and the fine slag produced in the casting process, so that the casting surface is cleaner and has a certain roughness, facilitating subsequent painting and other operations. In the existing foundry workshop, small castings are generally processed in automatic sandblasting equipment. The automatic sandblasting equipment generally has a cover, which can effectively reduce the noise and dust pollution caused by sandblasting. However, for large castings, the existing automatic sandblasting equipment is difficult to meet the requirements, and manual sandblasting operation is still needed. The noise and dust pollution of sandblasting process affect the health of workers. At the same time, the sandblasting quality cannot be guaranteed, and the skill proficiency of workers is highly dependent. SUMMARY

[0003] To solve the above technical problems, the utility model adopts the technical scheme of: a foundry surface sandblasting treatment device, comprising a sand receiving hopper, a plurality of spray gun racks and a plurality of sandblasting machines, the sand receiving hopper is placed on a support, the lower end of the sand receiving hopper is provided with a sand discharge pipe, the upper end of the sand receiving hopper is provided with a turntable, the turntable is rotatably installed on a placing rack, the placing rack is fixedly connected to the upper end of the sand receiving hopper, the turntable is driven to rotate by a motor, the motor is installed on the placing rack, the spray gun racks are respectively located on one side of the sand receiving hopper and are detachably connected to the support, and the sandblasting machines comprise sandblasting guns which are detachably installed on the spray gun racks.

[0004] As a preferred embodiment of the above technical scheme, the placing rack comprises a fixed ring and a center disc, the lower surface of the fixed ring is provided with an annular groove, the upper end of the sand receiving hopper is embedded in the annular groove, the fixed ring is fixedly connected to the center disc through a plurality of evenly spaced connecting rods, the turntable is located above the center disc, the motor is located below the center disc and is fixedly connected to the center disc, the center disc is provided with a center hole through which the output shaft of the motor passes, and the output shaft of the motor is fixedly connected to the turntable after passing through the center hole.

[0005] As a preferred embodiment of the above technical scheme, the spray gun racks are provided with a plurality of clamps, one clamp corresponds to one sandblasting gun, the clamp comprises a front clamping plate and a rear clamping plate, the front clamping plate is close to the sand receiving hopper, the front clamping plate and the rear clamping plate are connected by clamping bolts, the spray gun rack is clamped between the front clamping plate and the rear clamping plate, the front clamping plate is fixedly connected with a clamp, and the sandblasting guns are respectively clamped in the corresponding clamps.

[0006] As a preferred embodiment of the above technical scheme, the lower end of the spray gun rack is provided with a plurality of fixed threaded columns, the support is provided with a plurality of insertion holes for the fixed threaded columns to insert, and the fixed threaded columns are provided with a plurality of locking nuts.

[0007] As the preferred technical scheme, the lance holder is in an arc shape, and the lance holder is coaxially arranged with the sand receiving hopper.

[0008] The casting surface sand blasting treatment device has the advantages that the open structure is suitable for sand blasting treatment of large castings, the number and angle position of the sand blasting guns can be flexibly adjusted according to requirements in the sand blasting process, and the device can adapt to castings of different shapes and specifications. BRIEF DESCRIPTION OF DRAWINGS

[0009] Fig. 1 is a structural schematic view of the present application;

[0010] Fig. 2 is a sectional structural schematic view of the present application. DETAILED DESCRIPTION

[0011] The technical solutions of the present application will be described clearly and completely below with reference to the drawings. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0012] In the description of the present application, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0013] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or the communication inside two elements. For those skilled in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0014] As Figs. 1-2As shown, the casting surface sand blasting device, including have sand receiving hopper 1, a plurality of spray gun holder 2 and a plurality of sand blasting machine, the sand receiving hopper 1 is placed on the support 3, the lower end of sand receiving hopper 1 is provided with sand discharge pipe 4, the upper end of sand receiving hopper 1 is provided with rotating disc 5, rotating disc 5 is rotatably installed on the placing rack 6, the placing rack 6 is fixedly connected with the upper end of sand receiving hopper 1, rotating disc 5 is driven to rotate by motor 7, motor 7 is installed on the placing rack 6, the sand blasting machine includes a sand blasting gun, the sand blasting gun is detachably mounted on the spray gun holder 2. The casting is hoisted to the rotating disc 5 by the crane, and the rotating disc 5 drives the casting to rotate. The sand blasting gun is installed at a suitable position on the spray gun holder 2 to perform sand blasting treatment on the casting.

[0015] Further, the placing rack 6 includes a fixed ring 7 and a center disc 8, the lower surface of the fixed ring 7 is provided with an annular groove 9, the upper end of the sand receiving hopper 1 is embedded in the annular groove 9, the fixed ring 7 is fixedly connected with the center disc 8 through a plurality of evenly spaced connecting rods 10, the rotating disc 5 is located above the center disc 8, the motor 7 is located below the center disc 8 and is fixedly connected with the center disc 8, the center disc 8 is provided with a center hole for the output shaft of the motor 7 to pass through, and the output shaft of the motor 7 is fixedly connected with the rotating disc 5 after passing through the center hole. The casting is placed on the rotating disc 5 and is driven to rotate with the rotating disc 5 by the motor 7. The motor 7 is below the center disc 8 and is not affected by the sand particles.

[0016] Further, the spray gun holder 2 is provided with a plurality of clamps, and the clamps correspond to the sand blasting guns one by one. The clamp includes a front clamping plate 11 and a rear clamping plate 12. The front clamping plate 11 is close to the sand receiving hopper 1. The front clamping plate 11 and the rear clamping plate 12 are connected through clamping bolts 13. The spray gun holder 2 has a plurality of evenly spaced mounting holes for the clamping bolts 13 to pass through. The spray gun holder 2 is clamped between the front clamping plate 11 and the rear clamping plate 12. The front clamping plate 11 is fixedly connected with a clamp 14. The sand blasting gun is respectively clamped in the corresponding clamp 14. The sand blasting gun is installed at a suitable position on the spray gun holder 2 through the clamp. The number and position of the sand blasting gun can be flexibly adjusted according to needs.

[0017] Further, the lower end of the spray gun holder 2 is provided with a plurality of fixed threaded columns 15, the support 3 is provided with a plurality of insertion holes 16 for the fixed threaded columns 15 to insert, and the fixed threaded columns 15 are provided with a plurality of locking nuts. The height of the locking nut can be adjusted to correspondingly adjust the height of the spray gun holder 2. The installation position of the spray gun holder 2 is selected according to needs.

[0018] Further, the spray gun holder 2 is arc-shaped, and the spray gun holder 2 is coaxially arranged with the sand receiving hopper 1.

[0019] It is worth mentioning that the motor and other technical features involved in the utility model patent application should be regarded as the prior art, the specific structure, working principle and possible control mode, spatial arrangement mode of these technical features can be selected by using the conventional selection in the field, and should not be regarded as the invention point of the utility model patent, and the utility model patent will not be further expanded and described in detail.

[0020] The preferred embodiments of the utility model are described in detail above, and it should be understood that those skilled in the art can make many modifications and changes without creative labor according to the concept of the utility model, therefore, all the technical solutions obtained by logical analysis, reasoning or limited experiments on the basis of the prior art according to the concept of the utility model should be within the protection scope determined by the claims.

Claims

1. A device for sandblasting the surface of a casting, characterized in that The sand receiving hopper is placed on the support, the lower end of the sand receiving hopper is provided with a sand discharging pipe, the upper end of the sand receiving hopper is provided with a rotating disc in the middle, the rotating disc is rotatably installed on the placing rack, the placing rack is fixedly connected to the upper end of the sand receiving hopper, the rotating disc is driven to rotate by a motor, the motor is installed on the placing rack, the spray gun support is detachably connected to the support on one side of the sand receiving hopper, the sand blasting machine comprises a sand blasting gun, the sand blasting gun is detachably installed on the spray gun support, the placing rack comprises a fixing ring and a center disc, the lower surface of the fixing ring is provided with an annular groove, the upper end of the sand receiving hopper is embedded in the annular groove, the fixing ring is fixedly connected to the center disc through a plurality of uniformly spaced connecting rods, the rotating disc is located above the center disc, the motor is located below the center disc and is fixedly connected to the center disc, the center disc is provided with a center hole through which the output shaft of the motor passes, the output shaft of the motor is fixedly connected to the rotating disc after passing through the center hole, the spray gun support is provided with a plurality of clamps, the clamps correspond to the sand blasting guns one by one, the clamp comprises a front clamping plate and a rear clamping plate, the front clamping plate is close to the sand receiving hopper, the front clamping plate and the rear clamping plate are connected through clamping bolts, the spray gun support is clamped between the front clamping plate and the rear clamping plate, the front clamping plate is fixedly connected with a clamp, and the sand blasting gun is tightly held in the corresponding clamp.

2. The casting surface grit blasting apparatus of claim 1 wherein, The lower end of the spray gun support is provided with a plurality of fixed threaded columns, the support is provided with a plurality of insertion holes for the fixed threaded columns to insert, and the fixed threaded columns are provided with a plurality of locking nuts.

3. The apparatus for sandblasting a surface of a casting according to claim 2, wherein The spray gun support is arc-shaped, and the spray gun support is coaxially arranged with the sand receiving hopper.

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