Sand mixing device for casting processing

Abstract

The utility model belongs to the technical field of casting, and particularly relates to a sand mixing device for casting processing, which comprises a cylindrical mixing box, the side wall of the mixing box is fixedly connected with a feeding pipe, the inner wall of the mixing box is rotatably connected with a transmission shaft, the end face of the mixing box is fixedly provided with a motor, and an output shaft of the motor is fixedly connected with the transmission shaft. Two stirring blades are fixedly connected to the side wall of the transmission shaft in a bilateral symmetry mode, two supporting plates are fixedly connected to the positions, close to the two ends, of the side wall of the transmission shaft, the other ends of the two supporting plates are fixedly connected with the same arc-shaped plate, and the arc-shaped plate abuts against the inner wall of the mixing box. According to the sand mixing device, sand in the mixing box can be fully turned over, so that the sand does not have a mixing dead angle, and the mixing speed and the use quality of the sand are improved.

Description

Technical Field

[0001] The utility model belongs to the field of casting technology, and particularly relates to a sand mixing device used for casting processing. Background Art

[0002] In the metal casting process, it is necessary to use mixed sand to make a mold according to the shape of the casting, which can accurately replicate the shape and size of the casting. After the mold is filled with mixed sand, the mixed sand layer formed can provide the necessary support and protection to prevent the casting from deformation or cracking. Therefore, the sand mixing process is a prerequisite for manufacturing.

[0003] At present, many foundry sand mixing equipments adopt vertical mixing. Although it can achieve the purpose of sand mixing, during the sand mixing process, the sand and gravel at the bottom and corners of the mixing box are difficult to turn over. The same kind of sand will gather at the corners of the mixing box, which is not easy to mix with other sand, thus reducing the quality of the sand. Utility Model Content

[0004] The utility model aims to provide a sand mixing device for casting processing, which can fully turn over the sand in the mixing box so that there is no mixing dead corner of the sand, thereby increasing the mixing rate and use quality of the sand.

[0005] The technical solutions adopted in this utility are as follows:

[0006] The sand mixing device for casting processing comprises a mixing box, the mixing box is cylindrical, a feeding pipe is fixedly connected to the side wall of the mixing box, a transmission shaft is rotatably connected to the inner wall of the mixing box, a motor is fixedly installed on the end surface of the mixing box, the motor output shaft is fixedly connected to the transmission shaft, two stirring blades are fixedly connected to the side wall of the transmission shaft symmetrically, two support plates are fixedly connected to the side wall of the transmission shaft near both ends, the other ends of the two support plates are fixedly connected to the same arc plate, and the arc plate is against the inner wall of the mixing box;

[0007] An adjusting frame and a supporting frame are respectively provided at the lower side of the mixing box, and brackets are fixedly connected to the bottom surfaces of the adjusting frame and the supporting frame. Two rotating shafts are symmetrically fixedly connected to the front and rear side walls of the mixing box, and the other end of the rotating shaft passes through the adjusting frame and is rotatably connected thereto. An adjusting component is provided on the front end face of the rotating shaft, and a plurality of discharge pipes are fixedly connected to the left end face of the mixing box.

[0008] The adjustment component includes a gear fixedly connected to the end face of the rotating shaft, one side of the gear is meshed with a rack, a hydraulic cylinder is fixedly installed on the side wall of the adjustment frame, and the output end of the hydraulic cylinder is fixedly connected to the rack.

[0009] A baffle is fixedly connected to the side wall of the arc-shaped plate near the edge.

[0010] The top of the support frame is arranged in an arc shape, and a rubber pad is arranged inside the arc surface of the support frame.

[0011] A cover plate is arranged on the top of the feeding pipe, and a handle is fixedly connected to the top surface of the cover plate.

[0012] The discharge pipe is provided with an electric valve.

[0013] The technical effects achieved by this utility model are:

[0014] The practical sand mixing device for casting processing cooperates with each other among a mixing box, a transmission shaft, a stirring blade, an arc plate and a control component, and adopts a rotating turning form of the arc plate to turn over the sand at the bottom of the mixing box, thereby reducing the problems of dead corner residue and uneven mixing of the sand, thereby improving its mixing efficiency and sand quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a stereogram of this practical embodiment;

[0016] Figure 2 It is a cross-sectional structural schematic diagram of this practical embodiment;

[0017] Figure 3 This practical embodiment Figure 1 A in the enlarged view;

[0018] Figure 4 This practical embodiment Figure 2 Enlarged view of point B in .

[0019] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0020] 1. Mixing box; 2. Feeding pipe; 3. Transmission shaft; 4. Motor; 5. Stirring blade; 6. Arc plate; 7. Support plate; 8. Adjustment frame; 9. Support frame; 10. Bracket; 11. Rotating shaft; 12. Gear; 13. Rack; 14. Hydraulic cylinder; 15. Discharge pipe; 16. Electric valve; 17. Baffle; 18. Rubber pad; 19. Cover plate. DETAILED DESCRIPTION

[0021] In order to make the purpose and advantages of the present invention more clearly understood, the present invention is specifically described below in conjunction with the embodiments. It should be understood that the following text is only used to describe one or several specific implementations of the present invention, and does not strictly limit the scope of protection specifically requested by the present invention.

[0022] like Figure 1-Figure 4As shown, a sand mixing device for casting processing comprises a mixing box 1, which is cylindrical, a feeding pipe 2 is fixedly connected to the side wall of the mixing box 1, a transmission shaft 3 is rotatably connected to the inner wall of the mixing box 1, a motor 4 is fixedly installed on the end face of the mixing box 1, an output shaft of the motor 4 is fixedly connected to the transmission shaft 3, two stirring blades 5 are fixedly connected to the side wall of the transmission shaft 3 symmetrically, two support plates 7 are fixedly connected to the side wall of the transmission shaft 3 near both ends, the other ends of the two support plates 7 are fixedly connected to the same arc plate 6, the arc plate 6 is against the inner wall of the mixing box 1, a baffle 17 is fixedly connected to the side wall of the arc plate 6 near the edge, and an accommodating space is formed between the arc plate 6 and the baffle 17, so that the bottom sand material can be brought out conveniently when the sand material is turned over;

[0023] An adjusting frame 8 and a supporting frame 9 are respectively provided at the lower side of the mixing box 1. The bottom surfaces of the adjusting frame 8 and the supporting frame 9 are fixedly connected with a bracket 10. Two rotating shafts 11 are symmetrically fixedly connected to the front and rear side walls of the mixing box 1. The other end of the rotating shaft 11 passes through the adjusting frame 8 and is rotatably connected thereto. An adjusting component is provided on the end face of the front rotating shaft 11. A plurality of discharge pipes 15 are fixedly connected to the left end face of the mixing box 1. Electric valves 16 are provided in the discharge pipes 15. The electric valves 16 adopt the existing technology. In this scheme, they mainly play the role of opening and closing the discharge pipe 15. They can also be replaced by other forms, which will not be described in detail here.

[0024] By adopting the rotating turning form of the arc plate 6, the sand material at the bottom of the mixing box 1 can be turned over, reducing the problems of dead corner residue and uneven mixing of the sand material, thereby improving its mixing efficiency and sand material quality.

[0025] like Figure 1 and Figure 3 As shown, the adjustment assembly includes a gear 12 fixedly connected to the end face of the rotating shaft 11, a rack 13 is meshed on one side of the gear 12, a hydraulic cylinder 14 is fixedly installed on the side wall of the adjustment frame 8, and the output end of the hydraulic cylinder 14 is fixedly connected to the rack 13.

[0026] Specifically, when the hydraulic cylinder 14 is operated, the mixing box 1 as a whole rotates around the axis of the rotating shaft 11, so that it is in a tilted state, which facilitates the discharge of sand from any type of discharge pipe 15, effectively improving its discharge convenience.

[0027] like Figure 1 and Figure 2 As shown, the top of the support frame 9 is arranged in an arc shape, and a rubber pad 18 is installed in the arc surface of the support frame 9.

[0028] The rubber pad 18 can play a buffering role when the mixing box 1 is lowered. At the same time, when the sand is mixed, the shaking of the motor 4 and the turning thereof can be buffered, thereby increasing the service life of the mixing box 1.

[0029] like Figure 1 and Figure 2 As shown, a cover plate 19 is provided on the top of the feeding tube 2, and a handle is fixedly connected to the top surface of the cover plate 19.

[0030] The cover plate 19 can prevent the splashing of part of the sand material or the generation of dust during the mixing process of the sand material, and can also reduce the noise pollution generated during the mixing inside the mixing box 1.

[0031] The working principle of the utility model is as follows: firstly, the sand material is put into the mixing box 1 through the feeding pipe 2, and then the motor 4 is started, and the output shaft of the motor 4 drives the transmission shaft 3 to rotate, and the transmission shaft 3 drives the stirring blade 5 and the arc plate 6 to rotate at the same time, and the stirring blade 5 can be used to conveniently transport the sand material to both sides or the inside, and the arc plate 6 and the baffle 17 can conveniently turn the sand material at the bottom of the mixing box 1 upward, so that the sand material at the bottom can be fully mixed with the sand material at the top, and the phenomenon of residual sand material or uneven mixing can be avoided;

[0032] When the mixing is completed, the hydraulic cylinder 14 is started to drive the rack 13 to move, the rack 13 engages the gear 12 and drives the mixing box 1 to slowly enter an inclined or vertical state from a horizontal state, and at the same time, the electric valve 16 is opened, and the sand material is discharged from the discharge pipe 15, so as to achieve the purpose of convenient discharge.

[0033] The above is only a preferred embodiment of the present invention. It should be noted that, for ordinary technicians in the field, several improvements and modifications can be made without departing from the principle of the present invention, and these improvements and modifications should also be regarded as the protection scope of the present invention. The structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to the conventional means in the field unless otherwise specified and limited.

Claims

1. A sand mixing device for casting processing, characterized in that: The mixing box (1) comprises a mixing box (1), wherein the mixing box (1) is cylindrical, a feeding pipe (2) is fixedly connected to the side wall of the mixing box (1), a transmission shaft (3) is rotatably connected to the inner wall of the mixing box (1), a motor (4) is fixedly installed on the end surface of the mixing box (1), an output shaft of the motor (4) is fixedly connected to the transmission shaft (3), two stirring blades (5) are fixedly connected to the side wall of the transmission shaft (3) in a symmetrical manner, two support plates (7) are fixedly connected to the side wall of the transmission shaft (3) near both ends, the other ends of the two support plates (7) are fixedly connected to the same arc plate (6), and the arc plate (6) abuts against the inner wall of the mixing box (1); An adjusting frame (8) and a supporting frame (9) are respectively arranged at the lower side of the mixing box (1); the adjusting frame (8) and the supporting frame (9) are both fixedly connected to the bottom surface with a bracket (10); two rotating shafts (11) are symmetrically fixedly connected to the side wall of the mixing box (1) in a front-to-back manner; the other end of the rotating shaft (11) passes through the adjusting frame (8) and is rotatably connected thereto; an adjusting component is arranged at the front end surface of the rotating shaft (11); and a plurality of discharge pipes (15) are fixedly connected to the left end surface of the mixing box (1).

2. The sand mixing device for casting processing according to claim 1, characterized in that: The adjustment component comprises a gear (12) fixedly connected to the end face of the rotating shaft (11), a rack (13) meshing on one side of the gear (12), a hydraulic cylinder (14) fixedly mounted on the side wall of the adjustment frame (8), and an output end of the hydraulic cylinder (14) fixedly connected to the rack (13).

3. The sand mixing device for casting processing according to claim 1, characterized in that: A baffle (17) is fixedly connected to the side wall of the arc-shaped plate (6) near the edge.

4. The sand mixing device for casting processing according to claim 1, characterized in that: The top of the support frame (9) is arranged in an arc shape, and a rubber pad (18) is installed in the arc surface of the support frame (9).

5. The sand mixing device for casting processing according to claim 1, characterized in that: A cover plate (19) is provided on the top of the feeding pipe (2), and a handle is fixedly connected to the top surface of the cover plate (19).

6. The sand mixing device for casting processing according to claim 1, characterized in that: The discharge pipe (15) is provided with an electric valve (16).

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