Sand mold conveying and overturning device

Abstract

The utility model relates to a sand mould conveying and turning device which comprises a machine frame assembly (1), a first driving assembly (2), a second driving assembly (3), a third driving assembly (4) and a turning frame assembly (5), and the first driving assembly (2) comprises a first driver (21), a first transmission shaft (22), a first gear shaft (23), a first rack (24), a first linear guide rail (25) and a first connecting support (26). The second driving assembly (3) comprises a second driver (31), a second gear (32), a second rack (33), a second linear guide rail (34) and a second mounting frame (35), and the third driving assembly (4) comprises a third driver (41), a third gear (42), a third rack (43), a third linear guide rail (44), a third mounting plate (45) and a sliding connecting column (46). And the sand mold is prevented from being bumped and broken, and the production efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of sand mold production technology, specifically to a sand mold conveying and turning device. Background Technology

[0002] Sand casting is an important and fundamental process widely used in machinery manufacturing. It boasts low production costs, high process flexibility, and is virtually unrestricted by the size, shape, or structural complexity of parts. It can cast various types of parts ranging in weight from a few grams to hundreds of tons, with wall thicknesses from 0.5 mm to approximately 1 meter. The sand casting process includes sand mold making, metal melting, pouring and solidification, and cooling and cleaning. Sand mold making involves sand preparation, molding, parting, conveying, turning, and mold assembly. Currently, sand molds are transported using belt conveyors, and turning them is done manually. However, this method suffers from drawbacks when conveying and turning large sand molds, including low conveying efficiency, high labor intensity, and susceptibility to damage from impacts and drops. Summary of the Invention

[0003] The purpose of this utility model is to overcome the shortcomings of the existing technology and provide a sand mold conveying and turning device with a simple and novel structure and practical function. It can quickly convey and turn various sand molds, prevent the sand molds from being bumped and dropped, and help improve production efficiency.

[0004] The technical solution adopted by this utility model is: a sand mold conveying and tilting device, including a frame assembly 1, a first drive assembly 2, a second drive assembly 3, a third drive assembly 4, and a tilting frame assembly 5. The frame assembly 1 includes four uprights 11, two mounting beams 12, and two connecting beams 13. The four uprights 11 are arranged vertically and parallel to each other. The two mounting beams 12 are arranged parallel to each other above the four uprights 11, and both ends of the mounting beams 12 are fixedly connected to the uprights 11. The two connecting beams 13 are arranged between the four uprights 11, and both ends of the connecting beams 13 are fixedly connected to the uprights 11.

[0005] The first drive assembly 2 includes a first driver 21, a first drive shaft 22, a first gear shaft 23, a first rack 24, a first linear guide rail 25, and a first connecting bracket 26. One end of the first drive shaft 22 is connected to the output shaft of the first driver 21. The shaft portion of the first gear shaft 23 is rotatably connected to the first connecting bracket 26 via a bearing. The other end of the first drive shaft 22 is connected to the shaft portion of the first gear shaft 23 via a universal coupling. Two first linear guide rails 25 are respectively mounted on two mounting beams 12, and the slide rails of the first linear guide rails 25 are fixedly connected to the mounting beams 12. Two first racks 24 are respectively fixedly mounted below the two mounting beams 12, and the teeth of the first gear shaft 23 mesh with the first racks 24.

[0006] The second drive assembly 3 includes a second driver 31, a second gear 32, a second rack 33, a second linear guide rail 34, and a second mounting bracket 35. The second gear 32 is fixedly mounted on the output shaft of the second driver 31, and the second rack 33 is fixedly mounted on one side of the second mounting bracket 35. The second gear 32 meshes with the second rack 33. Two second linear guide rails 34 are respectively disposed on the upper sides of the second mounting bracket 35, and the slide rails of the second linear guide rails 34 are fixedly connected to the second mounting bracket 35. The second mounting bracket 35 is a rectangular cuboid component with a rectangular through hole in the middle. The two sides of the second mounting bracket 35 are fixedly connected to the sliders of the first linear guide rail 25. The first driver 21 and the first connecting bracket 26 are respectively fixedly connected to the second mounting bracket 35.

[0007] The third drive assembly 4 includes a third driver 41, a third gear 42, a third rack 43, a third linear guide rail 44, a third mounting plate 45, and a sliding connecting post 46. The third driver 41 is fixedly mounted on the third mounting plate 45. The third gear 42 is fixedly mounted on the output shaft of the third driver 41. The third rack 43 is fixedly mounted on one side of the sliding connecting post 46, and the third gear 42 meshes with the third rack 43. Two third linear guide rails 44 are respectively arranged on both sides of the sliding connecting post 46, and the slide rails of the third linear guide rails 44 are fixedly connected to the sliding connecting post 46. The third mounting plate 45 has a square through hole in the middle, and third connecting angle plates 47 are fixedly mounted on both sides of the square through hole. The two sides of the third mounting plate 45 are fixedly connected to the sliders of the second linear guide rail 34. The sliding connecting post 46 is inserted into the square through hole of the third mounting plate 45 and the rectangular through hole of the second mounting plate 35. The sliders of the third linear guide rail 44 are fixedly connected to the third connecting angle plates 47. The second driver 31 is fixedly connected to the third mounting plate 45.

[0008] The tilting frame assembly 5 includes a tilting fixed frame 51, a tilting clamping moving frame 52, a tilting driver 53, and a clamping power cylinder 54. The tilting fixed frame 51 is a "U"-shaped component, which includes a fixed frame connecting rod and two fixed frame side plates. The fixed frame connecting rod is fixedly connected to the lower end of the sliding connecting column 46. The tilting clamping moving frame 52 is a rectangular frame component, which includes two moving frame long side plates and two moving frame short side plates. A tilting shaft is fixedly installed on each of the two moving frame short side plates. The tilting clamping moving frame 52 is located in the middle and below the tilting fixed frame 51. The tilting shaft is rotatably connected to the fixed frame side plates through rolling bearings. The tilting driver 53 is fixedly installed on the fixed frame side plates, and its output shaft is connected to the tilting shaft. Multiple clamping power cylinders 54 are evenly and symmetrically installed on the two moving frame long side plates. A clamping block is installed on the piston rod of the clamping power cylinder 54.

[0009] A further improvement is that the first driver 21, the second driver 31, the third driver 41, and the tilting driver 53 are either geared motors or hydraulic motors.

[0010] A further improvement is that the clamping power cylinder 54 is one of a pneumatic cylinder, a hydraulic cylinder, or an electric cylinder.

[0011] Compared with the prior art, this utility model has the following advantages: it has a simple and novel structure, practical functions, and can quickly convey and flip various sand molds, preventing them from being damaged by bumps and drops, which is conducive to improving production efficiency. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of this utility model.

[0013] Figure 2 for Figure 1 Rear view,

[0014] Figure 3 for Figure 1 Top view,

[0015] Figure 4 This is a three-dimensional structural diagram of the present invention. Detailed Implementation

[0016] The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the scope of protection of the present invention.

[0017] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, a sand mold conveying and tilting device includes a frame assembly 1, a first drive assembly 2, a second drive assembly 3, a third drive assembly 4, and a tilting frame assembly 5. The frame assembly 1 includes four uprights 11, two mounting beams 12, and two connecting beams 13. The four uprights 11 are arranged vertically and parallel to each other. The two mounting beams 12 are arranged parallel to each other above the four uprights 11, and their two ends are fixedly connected to the uprights 11. The two connecting beams 13 are arranged between the four uprights 11, and their two ends are fixedly connected to the uprights 11. The bottom of each upright is provided with a fixed mounting base and is fixedly connected to the foundation.

[0018] The first drive assembly 2 includes a first driver 21, a first drive shaft 22, a first gear shaft 23, a first rack 24, a first linear guide 25, and a first connecting bracket 26. The first driver 21 is either a geared motor or a hydraulic motor. The first linear guide 25 includes a slide rail and a slider. One end of the first drive shaft 22 is connected to the output shaft of the first driver 21. The shaft portion of the first gear shaft 23 is rotatably connected to the first connecting bracket 26 via a bearing. The other end of the first drive shaft 22 is connected to the shaft portion of the first gear shaft 23 via a universal coupling. Two first linear guides 25 are respectively mounted on two mounting beams 12. The slide rails of the first linear guides 25 are fixedly connected to the mounting beams 12. Two first racks 24 are respectively fixedly mounted below the two mounting beams 12. The teeth of the first gear shaft 23 mesh with the first rack 24.

[0019] The second drive assembly 3 includes a second driver 31, a second gear 32, a second rack 33, a second linear guide rail 34, and a second mounting bracket 35. The second driver 31 is either a geared motor or a hydraulic motor. The second linear guide rail 34 includes a slide rail and a slider. The second gear 32 is fixedly mounted on the output shaft of the second driver 31. The second rack 33 is fixedly mounted on one side of the second mounting bracket 35, and the second gear 32 meshes with the second rack 33. The two second linear guide rails 34 are respectively located on the upper sides of the second mounting bracket 35. The slide rails of the second linear guide rails 34 are fixedly connected to the second mounting bracket 35. The second mounting bracket 35 is a rectangular parallelepiped component with a rectangular through hole in the middle. The two sides of the second mounting bracket 35 are fixedly connected to the sliders of the first linear guide rail 25. The first driver 21 and the first connecting bracket 26 are respectively fixedly connected to the second mounting bracket 35.

[0020] The third drive assembly 4 includes a third driver 41, a third gear 42, a third rack 43, a third linear guide 44, a third mounting plate 45, and a sliding connecting column 46. The third driver 41 is either a geared motor or a hydraulic motor. The third linear guide 44 includes a slide rail and a slider. The third driver 41 is fixedly mounted on the third mounting plate 45. The third gear 42 is fixedly mounted on the output shaft of the third driver 41. The third rack 43 is fixedly mounted on one side of the sliding connecting column 46. The third gear 42 meshes with the third rack 43. The two third linear guides... Rails 44 are respectively disposed on both sides of the sliding connecting post 46. The slide rail of the third linear guide rail 44 is fixedly connected to the sliding connecting post 46. A square through hole is provided in the middle of the third mounting plate 45. Third connecting angle plates 47 are fixedly installed on both sides of the square through hole. The two sides of the third mounting plate 45 are fixedly connected to the slider of the second linear guide rail 34. The sliding connecting post 46 is inserted into the square through hole of the third mounting plate 45 and the rectangular through hole of the second mounting bracket 35. The slider of the third linear guide rail 44 is fixedly connected to the third connecting angle plate 47. The second driver 31 is fixedly connected to the third mounting plate 45.

[0021] The tilting frame assembly 5 includes a tilting fixed frame 51, a tilting clamping moving frame 52, a tilting driver 53, and a clamping power cylinder 54. The tilting fixed frame 51 is a "U"-shaped component, which includes a fixed frame connecting rod and two fixed frame side plates. The fixed frame connecting rod is fixedly connected to the lower end of the sliding connecting column 46. The tilting clamping moving frame 52 is a rectangular frame component, which includes two moving frame long side plates and two moving frame short side plates. A tilting shaft is fixedly installed on each of the two moving frame short side plates. The tilting clamping moving frame 52 is located in the middle and below the tilting fixed frame 51. The tilting shaft is rotatably connected to the fixed frame side plates through rolling bearings. The tilting driver 53 is fixedly installed on the fixed frame side plates, and its output shaft is connected to the tilting shaft. Multiple clamping power cylinders 54 are evenly and symmetrically installed on the two moving frame long side plates. A clamping block is installed on the piston rod of the clamping power cylinder 54. The tilting driver 53 is one of a geared motor or a hydraulic motor, and the clamping power cylinder 54 is one of a pneumatic cylinder, a hydraulic cylinder, or an electric cylinder.

[0022] The first driver 21 drives the first gear shaft 23 to rotate via the first transmission shaft 22. Through the meshing transmission between the first gear shaft 23 and the first rack 24, the second drive assembly 3, the third drive assembly 4, and the tilting frame assembly 5 move back and forth on the first linear guide rail 25. The second driver 31 drives the second gear 32 to rotate. Through the meshing transmission between the second gear 32 and the second rack 33, the third drive assembly 4 and the tilting frame assembly 5 move left and right on the second linear guide rail 34. The third driver 41 drives the third gear 42 to rotate. Through the meshing transmission between the third gear 42 and the third rack 43, the sliding connecting column 46 drives the tilting frame assembly 5 to move up and down on the third linear guide rail 44. The tilting driver 53 drives the tilting shaft to rotate, causing the tilting clamping frame 52 to tilt around the tilting shaft in both directions.

[0023] The sand mold conveying and turning device moves the turning and clamping frame 52 to the periphery of the sand mold through the driving motion of the first driving component 2, the second driving component 3, and the third driving component 4, so that the sand mold is placed in the frame of the turning and clamping frame 52. The sand mold is clamped and fixed by the clamping power cylinder 54. Multiple clamping power cylinders 54 are evenly and symmetrically installed on the two long side plates of the moving frame to clamp various sand molds. Then, through the driving motion of the first driving component 2, the second driving component 3, and the third driving component 4, the sand mold is conveyed to the designated position. The sand mold is turned in both directions by the driving rotation of the turning driver 53.

[0024] However, this is not the only possibility. Any variations or substitutions conceived without inventive effort should be included within the scope of protection of this utility model. Therefore, the scope of protection of this utility model should be determined by the scope defined in the claims.

Claims

1. A sand mould delivery inverting device, characterised in that, The utility model relates to a kind of rack assembly (1), first drive assembly (2), second drive assembly (3), third drive assembly (4) and turnover frame assembly (5), rack assembly (1) includes four columns (11), two installation cross beams (12) and two connecting cross beams (13), four columns (11) are vertically parallel, two installation cross beams (12) are arranged on the top of four columns (11) in parallel, the both ends of installation cross beam (12) are fixedly connected with column (11), two connecting cross beams (13) are arranged between four columns (11), the both ends of connecting cross beam (13) are fixedly connected with column (11), First drive assembly (2) includes first driver (21), first transmission shaft (22), first gear shaft (23), first rack (24), first linear guide (25) and first connecting bracket (26), one end of first transmission shaft (22) is connected with the output shaft of first driver (21), the shaft portion of first gear shaft (23) is rotatably connected with first connecting bracket (26) by bearing, the other end of first transmission shaft (22) is connected with the shaft portion of first gear shaft (23) by universal coupling, two first linear guides (25) are respectively arranged on two installation cross beams (12), the slide rail of first linear guide (25) is fixedly connected with installation cross beam (12), two first racks (24) are respectively fixedly installed below two installation cross beams (12), the tooth portion of first gear shaft (23) is engaged with first rack (24), Second drive assembly (3) includes second driver (31), second gear (32), second rack (33), second linear guide (34) and second mounting bracket (35), second gear (32) is fixedly installed on the output shaft of second driver (31), second rack (33) is fixedly installed on one side of second mounting bracket (35), second gear (32) is engaged with second rack (33), two second linear guides (34) are respectively arranged on the top of two sides of second mounting bracket (35), the slide rail of second linear guide (34) is fixedly connected with second mounting bracket (35), second mounting bracket (35) is "mouth” shaped cuboid component, wherein middle is provided with rectangular via hole, two sides of second mounting bracket (35) are fixedly connected with the slider of first linear guide (25), first driver (21), first connecting bracket (26) are respectively fixedly connected with second mounting bracket (35), The third driving component (4) includes a third driver (41), a third gear (42), a third rack (43), a third linear guide (44), a third mounting plate (45) and a sliding connection column (46). The third driver (41) is fixedly installed on the third mounting plate (45). The third gear (42) is fixedly installed on the output shaft of the third driver (41). The third rack (43) is fixedly installed on one side of the sliding connection column (46). The third gear (42) meshes with the third rack (43). Two third linear guides (44) are respectively arranged on both sides of the sliding connection column (46). The slide rail of the third linear guide (44) is fixedly connected to the sliding connection column (46). A square through hole is provided in the middle of the third mounting plate (45). Third connection angle plates (47) are fixedly installed on both sides of the square through hole. Both sides of the third mounting plate (45) are fixedly connected to the sliders of the second linear guide (34). The sliding connection column (46) is inserted into the square through hole of the third mounting plate (45) and the rectangular through hole of the second mounting bracket (35). The slider of the third linear guide (44) is fixedly connected to the third connection angle plate (47). The second driver (31) is fixedly connected to the third mounting plate (45). The flipping frame component (5) includes a flipping fixed frame (51), a flipping clamping moving frame (52), a flipping driver (53) and a clamping power cylinder (54). The flipping fixed frame (51) is a "U" - shaped component, which includes a fixed frame connecting rod and two fixed frame side plates. The fixed frame connecting rod is fixedly connected to the lower end of the sliding connection column (46). The flipping clamping moving frame (52) is a long rectangular frame - shaped component, which includes two moving frame long side plates and two moving frame short side plates. Rotating shafts are respectively fixedly installed on the two moving frame short side plates. The flipping clamping moving frame (52) is arranged below the middle of the flipping fixed frame (51). The rotating shafts are rotatably connected to the fixed frame side plates through rolling bearings. The flipping driver (53) is fixedly installed on the fixed frame side plates, and its output shaft is connected to the rotating shafts. A plurality of clamping power cylinders (54) are evenly and symmetrically installed on the two moving frame long side plates. Clamping blocks are installed on the piston rods of the clamping power cylinders (54).

2. A sand mould delivery and tipping apparatus according to claim 1, wherein, The first driver (21), the second driver (31), the third driver (41), and the flipping driver (53) are one of a reduction motor or a hydraulic motor.

3. A sand mould delivery and tipping apparatus according to claim 1, wherein, The clamping power cylinder (54) is one of a pneumatic cylinder, a hydraulic cylinder or an electric cylinder.

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