Impurity cleaning device for molding sand casting

Abstract

The utility model discloses an impurity cleaning device for molding sand casting. The impurity cleaning device comprises a primary treatment mechanism and a secondary treatment mechanism, the first-stage treatment mechanism comprises a screen, a plurality of magnetic column assemblies are arranged on the upper surface of the screen, a baffle ring is arranged on the outer ring of the screen, a bracket is arranged at the bottom of the screen, the center of the bracket is open, vibration motors are arranged on the left side and the right side of the bracket, compression springs are arranged at the four corners of the bracket, and supporting columns are arranged at the lower ends of the compression springs. The secondary treatment mechanism comprises a screening basket of a semicircular structure, the screening basket is located under the screening net, a plurality of magnetic column assemblies are arranged in the screening basket, a stirring rod is arranged in the center of the screening basket, stirring blades are arranged on the stirring rod, the stirring rod is driven by a motor, supporting legs are arranged outside the screening basket for supporting, and a collecting trolley is arranged at the bottom of the screening basket. By arranging the first-stage treatment mechanism and the second-stage treatment mechanism, scrap iron and non-metal impurities in molding sand can be efficiently removed, and the reutilization rate and the casting quality of the molding sand are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to sand casting technical field, concretely relates to an impurity cleaning device for sand casting. BACKGROUND

[0002] In the casting production, the sand is important molding material, and its quality directly influences the surface quality and internal performance of the casting. However, the sand will mix in the metal impurities (such as iron filings, welding slag, etc.) and non-metallic impurities (such as wood chips, plastics, etc.) after using for many times, and these impurities will cause the sand performance to drop, and then influence the quality of the casting. The traditional impurity cleaning method mainly relies on manual screening or simple screening equipment, and there are problems such as low efficiency and incomplete cleaning, so it needs to be improved. SUMMARY

[0003] The utility model discloses a kind of impurity cleaning devices for sand casting, to solve the problems of prior art, such as low efficiency and incomplete cleaning.

[0004] To achieve the above object, the technical scheme adopted by the utility model is as follows: an impurity cleaning device for sand casting, which is characterized by comprising a primary processing mechanism and a secondary processing mechanism. The primary processing mechanism includes a screen mesh, a plurality of magnetic column assemblies are arranged on the upper surface of the screen mesh, a retaining ring is arranged on the outer ring of the screen mesh, a bracket is arranged at the bottom of the screen mesh, an opening is formed in the center of the bracket, vibration motors are arranged on the left and right sides of the bracket, compression springs are arranged at the four corners of the bracket, and support columns are arranged at the lower ends of the compression springs. The secondary processing mechanism includes a sieve basket with a semicircular structure, the sieve basket is located directly below the screen mesh, a plurality of magnetic column assemblies are arranged in the sieve basket, a stirring rod is arranged in the center of the sieve basket, stirring blades are arranged on the stirring rod, the stirring rod is driven by a motor, support legs are arranged outside the sieve basket to provide support, and a collection trolley is arranged at the bottom of the sieve basket.

[0005] Further, the magnetic column assembly includes a rubber column and a magnetic sleeve, and the magnetic sleeve is sleeved outside the rubber column.

[0006] Further, the magnetic column assemblies are distributed in a staggered manner with the stirring blades.

[0007] Further, an arc-shaped mounting block is arranged in the center of the sieve basket, the motor is arranged at the lower end of the mounting block, the stirring rod penetrates through the mounting block and is drivingly connected with the motor, and a protective cover is arranged outside the motor.

[0008] After adopting the above structure, the utility model has the following beneficial effects:

[0009] The primary processing mechanism and the secondary processing mechanism can efficiently remove iron filings and non-metallic impurities from the sand, thereby improving the reusability of the sand and the casting quality. Attached Figure Description

[0010] Figure 1 This is a schematic diagram of the structure of this utility model.

[0011] Explanation of reference numerals in the attached figures:

[0012] 1. Primary processing mechanism, 11. Screen, 12. Baffle ring, 13. Bracket, 14. Vibration motor, 15. Compression spring, 16. Support column, 2. Secondary processing mechanism, 21. Screen basket, 22. Stirring rod, 23. Stirring blade, 24. Motor, 25. Support leg, 26. Mounting block, 27. Protective cover, 3. Magnetic column assembly, 4. Collection trolley. Detailed Implementation

[0013] The present invention will be further described below with reference to the accompanying drawings.

[0014] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are only for explaining the present utility model and are not intended to limit the present utility model.

[0015] See Figure 1 An impurity cleaning device for molding sand casting includes a primary processing unit 1 and a secondary processing unit 2. The primary processing unit 1 includes a screen 11, with multiple magnetic column assemblies 3 arranged on the upper surface of the screen 11, a retaining ring 12 arranged on the outer ring of the screen 11, a bracket 13 arranged at the bottom of the screen 11, a central opening in the bracket 13, vibration motors 14 arranged on the left and right sides of the bracket 13, compression springs 15 arranged at the four corners of the bracket 13, and support columns 16 arranged at the lower ends of the compression springs 15. The secondary processing unit 2 includes a semi-circular screen basket 21 located directly below the screen 11, with multiple magnetic column assemblies 3 arranged inside the screen basket 21, a stirring rod 22 arranged at the center of the screen basket 21, stirring blades 23 arranged on the stirring rod 22, the stirring rod 22 being driven by a motor 24, support legs 25 arranged on the outside of the screen basket 21 for support, and a collection trolley 4 arranged at the bottom of the screen basket 21. Specifically, the molding sand is conveyed onto the screen 11, and the vibration motor 14 is started, causing the screen 11 to shake and filter the molding sand, removing larger impurities. At the same time, the magnetic column assembly 3 can also adsorb some iron filings. Then, the molding sand enters the screen basket 21, the motor 24 is started, and the stirring rod 22 drives the stirring blade 23 to rotate, agitating the molding sand and removing smaller impurities. At the same time, the magnetic column assembly 3 adsorbs the remaining iron filings. Finally, the molding sand falls into the collection cart 4 for collection. The primary processing mechanism 1 and the secondary processing mechanism 2 can improve the cleaning efficiency and cleaning quality.

[0016] In the embodiment, the magnetic column assembly 3 comprises a rubber column and a magnetic sleeve, the magnetic sleeve is sleeved outside the rubber column. The rubber column is fixed on the screen 11 and the sieve basket 21, the magnetic sleeve is sleeved outside the rubber column, the magnetic sleeve can be taken off at any time, and the iron filings are cleaned.

[0017] In the embodiment, the magnetic column assembly 3 is distributed in dislocation with the stirring blade 23, so that the stirring blade 23 does not collide with the magnetic column assembly 3 when rotating, and the normal work is not affected.

[0018] In the embodiment, the center of the sieve basket 21 is provided with an arc-shaped mounting block 26, the motor 24 is arranged at the lower end of the mounting block 26, the stirring rod 22 penetrates the mounting block 26 and is in driving connection with the motor 24, and the motor 24 is externally provided with a protective cover 27.

[0019] The above description is only used to illustrate the technical scheme of the present application but not limit the present application, other modifications or equivalent replacements to the technical scheme of the present application made by those skilled in the art should be included in the scope of the claims of the present application, as long as the modifications or equivalent replacements do not depart from the spirit and scope of the present application.

Claims

1. A tramp cleaning device for sand casting characterized by: The utility model provides a kind of magnetic column assembly and stirring blade for the first time, and the second processing mechanism includes a plurality of magnetic column assemblies in the inside of the sieve basket, the center of the sieve basket is provided with stirring rod, and stirring blade is provided on the stirring rod, and the stirring rod is driven by motor, and the outside of the sieve basket is provided with support leg to support, and the bottom of the sieve basket is provided with collection trolley.

2. The tramp-iron cleaning device for sand casting of claim 1, wherein: The magnetic column assembly includes a rubber column and a magnetic sleeve, and the magnetic sleeve is sleeved outside the rubber column.

3. The tramp-iron cleaning device for sand casting of claim 1, wherein: The magnetic column assembly is distributed in a staggered manner with the stirring blade.

4. The tramp-iron cleaning device for sand casting of claim 1, wherein: The center of the sieve basket is provided with an arc-shaped mounting block, the motor is arranged at the lower end of the mounting block, the stirring rod penetrates the mounting block and is drivingly connected with the motor, and the motor is provided with a protective cover outside.

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