Multi-barrel efficient sand mixer

Abstract

The utility model discloses a multi-barrel efficient sand mixer and relates to the technical field of sand mixers. Comprising a supporting bottom plate, a material mixing barrel and a connecting shaft, scraping plates are connected to the two sides of the connecting plate, the scraping plates make contact with the inner wall of the bottom of the material mixing barrel, a second positioning bolt is detachably connected to the interior of the connecting plate in a combined mode, and four sets of second spiral blades are arranged on the outer side of the connecting shaft. According to the utility model, parts such as scrapers are arranged, a second positioning bolt penetrates through a connecting plate and is in threaded connection with a positioning hole in a penetrating manner, the connecting plate can be detachably fixed on the outer side of a connecting shaft through the second positioning bolt, and the two groups of arc-shaped scrapers are in contact with the inner wall of the mixing barrel; after the connecting shaft drives the scraping plates and the second spiral blades to rotate in the mixing barrel, the two groups of scraping plates and the second spiral blades can spirally turn over raw materials stacked on the inner wall of the bottom of the mixing barrel, so that the raw materials are mixed more uniformly, and the quality and the performance of raw material casting products after mixing are effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sand mixers, in particular to a multi-cylinder high-efficiency sand mixer. Background Art

[0002] Sand mixer is an important equipment used in foundry industry. Its main function is to mix the various components in the molding sand evenly and effectively coat the binder on the surface of the sand particles. Sand mixer is the main equipment for mixing foundry sand and is also the key equipment for obtaining qualified molding sand. The application field of multi-cylinder high-efficiency sand mixer is quite wide. It can be used for various mixing needs in industrial production, such as preparation of foundry sand, mixing of chemical products, deployment of food ingredients, etc.

[0003] During the use of the existing sand mixer, the raw materials to be mixed are easily accumulated and adsorbed on the bottom inner wall of the sand mixer, and part of the raw materials are accumulated on the bottom inner wall of the sand mixer, which easily leads to uneven mixing of the raw materials by the sand mixer, and may cause uneven distribution of sand components, which may affect the quality and performance of the final casting. In order to solve this technical problem, the utility model proposes a multi-cylinder high-efficiency sand mixer. Utility Model Content

[0004] The main purpose of the utility model is to provide a multi-cylinder high-efficiency sand mixer, which can effectively solve the problems mentioned in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A multi-cylinder high-efficiency sand mixer comprises a supporting bottom plate, a mixing cylinder and a connecting shaft, wherein a plurality of positioning holes are symmetrically provided on the outer side of the connecting shaft, a connecting plate is movably provided on the outer side of the connecting shaft, and the connecting plate is composed of two groups of vertical plates and a straight horizontal plate, and the horizontal plate connects the two groups of vertical plates, scrapers are connected on both sides of the connecting plate, and the scrapers are arc-shaped plates, and the scrapers are in contact with the bottom inner wall of the mixing cylinder, the internal combination of the connecting plate is detachably connected with No. 2 positioning bolts, and four groups of No. 2 spiral leaves are provided on the outer side of the connecting shaft, and the No. 2 spiral leaves are located below the connecting plate.

[0007] Preferably, eight groups of supporting legs are symmetrically arranged at the bottom end of the supporting base plate, and a control box is arranged on the front side of the supporting base plate.

[0008] Preferably, the mixing barrel is symmetrically connected and installed inside the supporting bottom plate, a feeding pipe is provided through the outside of the mixing barrel, and the feeding pipe is an arc-shaped pipe, and a collecting barrel is provided on the top of the feeding pipe.

[0009] Preferably, the top end of the mixing barrel is detachably connected to a combined cover, a motor is disposed on the top of the combined cover, and an output end of the motor is connected to the top end of the connecting shaft.

[0010] Preferably, a plurality of connecting rings are movably provided on the outer side of the connecting shaft, two groups of No. 1 spiral blades are symmetrically provided on the outer side of the connecting ring, a No. 1 positioning bolt is penetrated inside the connecting ring, and the No. 1 positioning bolt is threadedly connected to the positioning hole.

[0011] Preferably, a discharging cylinder is connected through the bottom end of the mixing cylinder, and the discharging cylinder is located below the second spiral blade, and a valve is provided through the outer side of the discharging cylinder.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] In the utility model, by providing components such as scrapers, a No. 2 positioning bolt penetrates the connecting plate and is threadedly connected to the positioning hole, the No. 2 positioning bolt can detachably fix the connecting plate to the outside of the connecting shaft, and two groups of arc-shaped scrapers are utilized to contact the inner wall of the mixing barrel. After the connecting shaft drives the scrapers and the No. 2 spiral leaves to rotate inside the mixing barrel, the two groups of scrapers and the No. 2 spiral leaves can spirally turn over the raw materials accumulated on the inner wall of the bottom of the mixing barrel, so that the raw materials are mixed more evenly, effectively improving the quality and performance of the raw material castings after mixing.

[0014] In the utility model, by providing components such as the No. 2 spiral blade, when the materials need to be discharged after being transported and mixed, the valve is opened, the motor is operated, and the connecting shaft can drive the No. 2 spiral blade to rotate above the discharge barrel. The rotation of the No. 2 spiral blade pushes the mixed raw materials to be discharged through the discharge barrel at an accelerated speed, thereby improving the efficiency of the sand mixer when unloading. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of a multi-cylinder high-efficiency sand mixer of the utility model;

[0016] Figure 2 This is a schematic diagram of the cross-sectional structure of a mixing cylinder of a multi-cylinder high-efficiency sand mixer of the utility model;

[0017] Figure 3 This is a schematic diagram of the cross-sectional structure of a feed pipe of a multi-cylinder high-efficiency sand mixer of the utility model;

[0018] Figure 4 This is a schematic diagram of the scraper structure of a multi-cylinder high-efficiency sand mixer of the utility model;

[0019] Figure 5 The utility model is a schematic diagram of the connecting shaft structure of a multi-cylinder high-efficiency sand mixer.

[0020] In the figure: 1. Support base plate; 2. Support legs; 3. Control box; 4. Mixing barrel; 5. Feed pipe; 6. Collecting barrel; 7. Motor; 8. Connecting shaft; 9. Positioning hole; 10. Connecting ring; 11. No. 1 spiral blade; 12. No. 1 positioning bolt; 13. Connecting plate; 14. Scraper; 15. No. 2 positioning bolt; 16. No. 2 spiral blade; 17. Discharging barrel; 18. Valve; 19. Combination cover. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0022] like Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, a multi-cylinder high-efficiency sand mixer;

[0023] It includes a supporting base plate 1, a mixing barrel 4 and a connecting shaft 8. The outer side of the connecting shaft 8 is symmetrically penetrated with multiple groups of positioning holes 9. A connecting plate 13 is movably arranged on the outer side of the connecting shaft 8, and the connecting plate 13 is composed of two groups of vertical plates and a straight horizontal plate, and the horizontal plate connects the two groups of vertical plates. Scrapers 14 are connected to both sides of the connecting plate 13, and the scrapers 14 are arc-shaped plates. The scrapers 14 are in contact with the bottom inner wall of the mixing barrel 4. The internal combination of the connecting plate 13 is detachably connected with No. 2 positioning bolts 15. Four groups of No. 2 spiral leaves 16 are arranged on the outer side of the connecting shaft 8, and the No. 2 spiral leaves 16 are located below the connecting plate 13. A discharge barrel 17 is penetrated and connected to the bottom end of the mixing barrel 4, and the discharge barrel 17 is located below the No. 2 spiral leaves 16. A valve 18 is penetrated on the outer side of the discharge barrel 17.

[0024] The positioning hole 9 is opened inside the connecting shaft 8, and the positioning hole 9 provides a joint space for the No. 1 positioning bolt 12 and the No. 2 positioning bolt 15. The connecting plate 13 is movably arranged on the outside of the connecting shaft 8. The connecting plate 13 plays a role of connection and installation, and provides a suitable installation position for the two groups of scrapers 14. The No. 2 positioning bolt 15 penetrates the connecting plate 13 and is threadedly connected with the positioning hole 9. The No. 2 positioning bolt 15 can detachably fix the connecting plate 13 on the outside of the connecting shaft 8, and the two groups of arc-shaped scrapers 14 are used to contact the inner wall of the mixing barrel 4. After the connecting shaft 8 drives the scrapers 14 and the No. 2 spiral blades 16 to rotate inside the mixing barrel 4, the two groups of scrapers 14 and the No. 2 spiral blades 16 can spirally flip the raw materials piled on the inner wall of the bottom of the mixing barrel 4, so that the raw materials are mixed more evenly, and the quality and performance of the raw material castings after mixing are effectively improved;

[0025] When the materials need to be discharged after being transported and mixed, the valve 18 is opened, the motor 7 is operated, and the connecting shaft 8 can drive the No. 2 spiral blade 16 to rotate above the discharge barrel 17. The rotation of the No. 2 spiral blade 16 pushes the mixed raw materials to be discharged through the discharge barrel 17 at an accelerated speed, thereby improving the efficiency of the sand mixer when unloading.

[0026] like Figure 1 , Figure 2 and Figure 3 As shown, a multi-cylinder high-efficiency sand mixer;

[0027] Eight groups of supporting legs 2 are symmetrically arranged at the bottom end of the supporting base plate 1, a control box 3 is arranged on the front side of the supporting base plate 1, a mixing barrel 4 is symmetrically penetrated and connected and installed inside the supporting base plate 1, a feeding pipe 5 is penetrated on the outside of the mixing barrel 4, and the feeding pipe 5 is an arc-shaped pipe, and a collecting barrel 6 is arranged on the top end of the feeding pipe 5.

[0028] The support base plate 1 is the main bottom support component of the sand mixer. The support legs 2 can provide a suitable support height for the support base plate 1, which is convenient for the discharge barrel 17 to unload. The control box 3 is electrically connected to the electrical components inside the sand mixer. The control box 3 can regulate the operation of the sand mixer and receive the raw materials to be mixed through the collecting barrel 6. The arc-shaped tube design of the feed pipe 5 can guide the raw materials into the interior of the mixing barrel 4, and the discharge of sand and dust can be reduced through the feed pipe 5.

[0029] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, a multi-cylinder high-efficiency sand mixer;

[0030] The top of the mixing barrel 4 is detachably connected to a combination cover 19, a motor 7 is arranged on the top of the combination cover 19, and the output end of the motor 7 is connected to the top of the connecting shaft 8, a plurality of connecting rings 10 are movably arranged on the outer side of the connecting shaft 8, two groups of No. 1 spiral leaves 11 are symmetrically arranged on the outer side of the connecting ring 10, a No. 1 positioning bolt 12 is penetrated inside the connecting ring 10, and the No. 1 positioning bolt 12 is threadedly connected to the positioning hole 9.

[0031] After the combination cover 19 is combined with the top of the mixing barrel 4, the combination cover 19 can cover and seal the top of the mixing barrel 4. The output end of the motor 7 is connected through the top of the connecting shaft 8. When the motor 7 is running, the connecting shaft 8 can be rotated inside the mixing barrel 4. The connecting ring 10 provides an installation position for the outer No. 1 spiral leaf 11. The connecting ring 10 is movably connected and installed on the outer side of the connecting shaft 8. The connecting ring 10 can be fixed to the outer side of the connecting shaft 8 by using the No. 1 positioning bolt 12. The multiple groups of positioning holes 9 opened inside the connecting shaft 8 are used to facilitate the assembly of the corresponding No. 1 spiral leaf 11 according to usage requirements.

[0032] Before use, the raw materials to be mixed are received through the collecting barrel 6. The design of the arc-shaped tube of the feeding pipe 5 can guide the raw materials into the interior of the mixing barrel 4, and the dust can be reduced through the feeding pipe 5. When the motor 7 is running, the connecting shaft 8 can be rotated inside the mixing barrel 4. The connecting ring 10 is movably connected and installed on the outside of the connecting shaft 8. The connecting ring 10 can be fixed on the outside of the connecting shaft 8 by the No. 1 positioning bolt 12. The multiple groups of positioning holes 9 opened inside the connecting shaft 8 are used to facilitate the assembly of the corresponding No. 1 spiral blade 11 according to the use requirements;

[0033] The second positioning bolt 15 penetrates the connecting plate 13 and is threadedly connected with the positioning hole 9. The second positioning bolt 15 can detachably fix the connecting plate 13 on the outer side of the connecting shaft 8. The two groups of arc-shaped scrapers 14 are used to contact the inner wall of the mixing barrel 4. After the connecting shaft 8 drives the scrapers 14 and the second spiral blades 16 to rotate inside the mixing barrel 4, the two groups of scrapers 14 and the second spiral blades 16 can spirally turn the raw materials accumulated on the inner wall of the bottom of the mixing barrel 4, so that the raw materials are mixed more evenly, and the quality and performance of the raw material castings after mixing are effectively improved;

[0034] When the materials need to be discharged after being transported and mixed, the valve 18 is opened, the motor 7 is operated, and the connecting shaft 8 can drive the No. 2 spiral blade 16 to rotate above the discharge barrel 17. The rotation of the No. 2 spiral blade 16 pushes the mixed raw materials to be discharged through the discharge barrel 17 at an accelerated speed, thereby improving the efficiency of the sand mixer when unloading.

[0035] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A multi-cylinder high-efficiency sand mixer, comprising a supporting base plate (1), a mixing cylinder (4) and a connecting shaft (8), characterized in that: The outer side of the connecting shaft (8) is symmetrically penetrated with a plurality of positioning holes (9), the outer side of the connecting shaft (8) is movably provided with a connecting plate (13), and the connecting plate (13) is composed of two groups of vertical plates and a straight horizontal plate, and the horizontal plate connects the two groups of vertical plates, and the two sides of the connecting plate (13) are connected with scrapers (14), and the scrapers (14) are arc-shaped plates, and the scrapers (14) are in contact with the bottom inner wall of the mixing barrel (4), and the internal combination of the connecting plate (13) is detachably connected with a No. 2 positioning bolt (15), and the outer side of the connecting shaft (8) is provided with four groups of No. 2 spiral leaves (16), and the No. 2 spiral leaves (16) are located below the connecting plate (13).

2. A multi-cylinder high-efficiency sand mixer according to claim 1, characterized in that: Eight groups of supporting legs (2) are symmetrically arranged at the bottom end of the supporting base plate (1), and a control box (3) is arranged on the front side of the supporting base plate (1).

3. The multi-cylinder high-efficiency sand mixer according to claim 1, characterized in that: The mixing barrel (4) is symmetrically connected and installed inside the supporting base plate (1); a feeding pipe (5) is provided on the outside of the mixing barrel (4); the feeding pipe (5) is an arc-shaped pipe; a collecting barrel (6) is provided at the top end of the feeding pipe (5).

4. The multi-cylinder high-efficiency sand mixer according to claim 1, characterized in that: The top end of the mixing barrel (4) is detachably connected to a combined cover (19), a motor (7) is arranged on the top of the combined cover (19), and the output end of the motor (7) is connected to the top end of the connecting shaft (8).

5. The multi-cylinder high-efficiency sand mixer according to claim 1, characterized in that: A plurality of connecting rings (10) are movably arranged on the outer side of the connecting shaft (8), two groups of No. 1 spiral leaves (11) are symmetrically arranged on the outer side of the connecting ring (10), a No. 1 positioning bolt (12) is penetrated inside the connecting ring (10), and the No. 1 positioning bolt (12) is threadedly connected to the positioning hole (9).

6. The multi-cylinder high-efficiency sand mixer according to claim 1, characterized in that: The bottom end of the mixing cylinder (4) is connected to a discharging cylinder (17), and the discharging cylinder (17) is located below the second spiral blade (16). A valve (18) is provided on the outside of the discharging cylinder (17).

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