Sand screening and cooling device for sand casting

By designing a sand-sand-cold sand device for sand casting, the combination of shaking sand-sand assembly and cooling assembly is used to solve the problems of large land and low efficiency of the existing equipment, and an efficient sand-sand-sand-cold sand process is achieved.

CN222519904UActive Publication Date: 2025-02-25HENAN HUAYANG HYDRAULIC EQUIPMENT CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421314367.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-11
Publication Date
2025-02-25
Estimated Expiration
2034-06-11

AI Technical Summary

Technical Problem

The existing sand-sieve and sand-cold device has a split structure, covering a large area, and is inefficient in the method of gravity roll-off screening.

Method used

A sand-sand-cold sand device for sand casting is designed, including a shell, a power box, a bracket, an inclined sand-sand-sand-shaking drive assembly. The sand screening assembly sifts the sand left and right on the shell by shaking the drive assembly, and the sieved sand is cooled by the cooling assembly.

Benefits of technology

The efficient operation of screening sand and cold sand is achieved, and the area covers a small area. By shaking the combination of screening sand and cooling components, the cooling efficiency of sand is improved, and sand accumulation is avoided through intermittent discharge, which improves the sand screening efficiency.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure 00000000_0000_ABST
    Figure 00000000_0000_ABST
Patent Text Reader

Abstract

The utility model provides a sand screening and cooling device for sand casting, which comprises a shell, and a power box is fixed on the side part of the shell; the top end of the shell is slidably connected with a bracket. An inclined sand screening assembly is fixed to one side of the top end of the bracket. The sand screening assembly is connected with the shaking driving assembly, the shaking driving assembly is used for driving the bracket, and the sand screening assembly shakes and screens sand on the shell; the shaking driving assembly is arranged in the power box, a cooling assembly is arranged on the side portion of the sand screening assembly and comprises a draught fan, an inner insertion pipe and an outer sleeve, the draught fan is installed in the power box, and the air outlet end of the draught fan communicates with the inner insertion pipe; the inner intubation tube is slidably connected with the outer sleeve; the outer sleeve is fixed and communicated with the sand screening assembly. According to the sand screening and cooling device for sand mold casting, sand screening and sand cooling can be achieved, the occupied area is small, sand screening is conducted through the sand screening assembly shaking leftwards and rightwards, the sand screened through shaking is cooled through air blowing of the cooling assembly during sand screening, the contact area of the sand and air can be increased, and cooling of the sand is improved while sand screening is conducted.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of sand casting equipment, in particular to a sand screening and cooling device for sand casting. Background Art

[0002] Sand casting is a traditional metal casting method that uses sand as a molding material to create castings; this process is very suitable for mass production and can produce a variety of castings with simple to complex shapes. In the sand casting process, cooling and screening of sand are key steps to ensure the quality of castings;

[0003] Generally, after casting is completed, the sand is transported and cooled by a conveyor belt, and then screened using a screen. The existing sand screening device is generally a fixed structure, and the sand is screened through an inclined screen during screening. Therefore, the existing sand screening and cooling device is a split structure, which occupies a large area, and the method of screening by rolling the sand under the action of gravity is inefficient. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model aims to provide a sand screening and cooling device for sand casting, which can solve the existing problems.

[0005] In order to achieve the above purpose, the technical solution of the utility model is as follows:

[0006] The utility model is realized by the following technical scheme: a sand screening and cooling device for sand casting comprises a shell, a power box is fixed to the side of the shell; a bracket is slidably connected to the top of the shell, an inclined sand screening component is fixed to one side of the top of the bracket; the sand screening component is connected to a shaking drive component, and the shaking drive component is used to drive the bracket and the sand screening component to shake and screen the sand on the shell;

[0007] The shaking drive assembly is arranged in the power box, and a cooling assembly is arranged on the side of the sand screening assembly. The cooling assembly includes a fan, an inner tube and an outer tube. The fan is installed in the power box, and the air outlet end of the fan is connected to the inner tube; the inner tube is slidably connected to the outer tube; the outer tube is fixed and connected to the sand screening assembly.

[0008] Furthermore, the sand screening assembly includes a screen frame, a feed port, an air inlet and an air outlet; the bottom end of the screen frame is a screen structure, and a feed port is opened on the side of the screen frame; the side wall of the screen frame is opened with an air inlet inclined downward, and the air inlet is fixed and connected to the outer sleeve; the other side wall of the screen frame is opened with an air outlet inclined downward.

[0009] Furthermore, the sand screening assembly also includes a first material discharge blocking cloth and a second material discharge blocking cloth; the first material discharge blocking cloth surrounds the outer edge of the discharge port; and the second material discharge blocking cloth surrounds the bottom outer edge of the screen frame.

[0010] Furthermore, a discharging conveyor belt is provided at the inner bottom end of the shell, and a slide groove is provided at the top end of the shell; the bracket is slidably connected to the slide groove.

[0011] Furthermore, a support plate is provided at the bottom end of the bracket, and a slider is fixed to the bottom end of the support plate; the slider is slidably connected to the slide groove.

[0012] Furthermore, the shaking drive assembly includes a rotating wheel, a shaking motor and a rocker; the shaking motor is installed in a power box, and the output end of the shaking motor is connected to the rotating wheel; the edge of the rotating wheel is rotatably connected to a rocker, and the other end of the rocker is rotatably connected to a bracket.

[0013] Furthermore, a screw conveying assembly is fixed on the top of the power box, and the screw conveying assembly is connected to the lower hopper; the screw conveying assembly is placed on the top of the screen frame, and the screw conveying assembly is slidably connected to the screen frame.

[0014] Furthermore, the spiral conveying assembly includes a feeding motor, spiral blades, a discharge port and an outer cover; the outer cover is fixed to the top of the power box, and the feeding motor is installed inside the outer cover; the side of the output shaft of the feeding motor is provided with spiral blades; the bottom end of the outer cover is provided with a discharge port, and the side of the screen frame is provided with a baffle; the baffle is connected to the discharge port.

[0015] Compared with the prior art, the beneficial effects of the utility model include:

[0016] The sand screening and cooling device for sand casting of the utility model can realize sand screening and sand cooling, occupies a small area, utilizes the sand screening component that shakes left and right to screen the sand, and uses the cooling component to blow air to cool the shaking and screened sand during the sand screening, which can increase the contact area between the sand and the air, and improve the cooling of the sand while screening the sand;

[0017] The spiral conveying component of the utility model conveys the sand to be processed to the top of the sand screening component. When the sand screening component shakes to screen the sand, intermittent material feeding can be achieved without manual feeding. The intermittent material feeding method avoids sand accumulation and improves the sand screening efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The disclosure of the present invention is described with reference to the accompanying drawings. It should be understood that the drawings are only for illustrative purposes and are not intended to limit the scope of protection of the present invention. In the drawings, the same reference numerals are used to refer to the same components. Among them:

[0019] Figure 1 It is a schematic diagram of the overall structure of the sand screening and cooling device for sand casting of the utility model;

[0020] Figure 2 This is a schematic diagram of the internal structure of the power box of the implementation case of the utility model;

[0021] Figure 3 This is a schematic diagram of the structure of the spiral conveying assembly in the implementation case of the utility model;

[0022] Figure 4 This is an implementation case of the utility model Figure 1 Schematic diagram of the enlarged structure at point A in the middle.

[0023] Explanations in the figure: 1. Power box; 11. Through hole; 2. Shell; 21. Slide; 3. Discharge conveyor belt; 4. Bracket; 41. Support plate; 42. Slider; 5. Sand screening assembly; 51. Screen frame; 511. Baffle; 52. Discharge port; 53. Air inlet; 54. First discharge baffle; 55. Air outlet; 56. Second discharge baffle; 6. Cooling assembly; 61. Fan; 62. Inner insert; 63. Outer sleeve; 7. Shaking drive assembly; 71. Rotating wheel; 72. Shaking motor; 73. Rocker; 8. Discharge hopper; 9. Screw conveying assembly; 91. Feeding motor; 92. Spiral blade; 93. Discharge port; 94. Outer cover; 10. Diagonal support rod. DETAILED DESCRIPTION

[0024] It is easy to understand that according to the technical solution of the utility model, without changing the essential spirit of the utility model, a person skilled in the art can propose a variety of interchangeable structural modes and implementation modes. Therefore, the following specific implementation modes and drawings are only exemplary descriptions of the technical solution of the utility model, and should not be regarded as the entirety of the utility model or as a limitation or restriction to the technical solution of the utility model.

[0025] Sand screening and cooling device for sand casting, such as Figure 1 As shown, it includes a shell 2, the right side of the top of the shell 2 is open, and the shell 2 is a hollow structure; a power box 1 is fixed to the side of the shell 2; a bracket 4 is slidably connected to the top of the shell 2, an inclined sand screening component 5 is fixed to one side of the top of the bracket 4, and a diagonal support rod 10 is fixed between the bracket 4 and the sand screening component 5, and the inclination angle of the sand screening component 5 is 30° to 60°; the sand screening component 5 is connected to a shaking drive component 7, and the shaking drive component 7 is used to drive the bracket 4 and the sand screening component 5 to shake and screen sand on the shell 2; the shaking drive component 7 is arranged in the power box 1, and the shaking drive component 7 includes a rotating wheel 71, a shaking motor 72 and a rocker 73; as shown Figure 2As shown, the shaking motor 72 is installed in the power box 1, and the output end of the shaking motor 72 is connected to the rotating wheel 71; a rocker 73 is rotatably connected to the edge of the rotating wheel 71, the rocker 73 penetrates the through hole 11 on the surface of the outer shell power box 1, and the other end of the rocker 73 is rotatably connected to the bracket 4; when the shaking motor 72 is started, it drives the rotating wheel 71 to rotate, and then the rotating wheel 71 rotates to pull the rocker 73 to move; then the bracket 4 is pulled to drive the sand screening assembly 5 to shake left and right on the outer shell 2 to screen sand.

[0026] A cooling assembly 6 is provided on the side of the sand screening assembly 5, and the cooling assembly 6 includes a fan 61, an inner insert pipe 62 and an outer sleeve 63. The fan 61 is installed in the power box 1, and the air outlet end of the fan 61 is connected to the inner insert pipe 62; the inner insert pipe 62 is slidably connected to the outer sleeve 63; the outer sleeve 63 is fixed and connected to the sand screening assembly 5. The cooling assembly 6 is used to blow air into the sand screening assembly 5 to cool the inside of the sand screening assembly 5.

[0027] The sand screening assembly 5 comprises a screen frame 51, a feed opening 52, an air inlet 53 and an air outlet 55; the bottom end of the screen frame 51 is a screen structure, and the side of the screen frame 51 is provided with a feed opening 52; the side wall of the screen frame 51 is provided with an air inlet 53 inclined downward, and the air inlet 53 is fixed and connected to the outer sleeve 63; the other side wall of the screen frame 51 is provided with an air outlet 55 inclined downward; in order to prevent sand from leaking out of the air inlet 53 and the air outlet 55, a filter screen may be covered on the surface of the air inlet 53 and the air outlet 55; in order to prevent sand from escaping everywhere during screening, The sand screening component 5 further comprises a first material discharge blocking cloth 54 and a second material discharge blocking cloth 56; the first material discharge blocking cloth 54 surrounds the outer edge of the material discharge port 52, and the first material discharge blocking cloth 54 surrounds to form an annular structure with openings at both ends, so that the waste after screening is discharged from the area formed by the first material discharge blocking cloth 54; the second material discharge blocking cloth 56 surrounds the bottom outer edge of the screen frame 51, and the second material discharge blocking cloth 56 surrounds to form an annular structure with openings at both ends, so that the sand screened after screening can fall through the second material discharge blocking cloth 56 to prevent the sand from escaping when falling.

[0028] The inner bottom end of the shell 2 is provided with a discharging conveyor belt 3, and the discharging conveyor belt 3 is used to discharge the screened sand, and the top of the shell 2 is provided with a chute 21; the bracket 4 is slidably connected with the chute 21; Figure 4 As shown, a support plate 41 is provided at the bottom end of the bracket 4, and a slider 42 is fixed to the bottom end of the support plate 41; the slider 42 is slidably connected to the slide groove 21; when the bracket 4 moves on the housing 2, the slider 42 slides in the slide groove 21.

[0029] In order to facilitate the feeding of the sand that needs to be cooled and screened, a screw conveying assembly 9 is fixed on the top of the power box 1, and the screw conveying assembly 9 is connected to the lower hopper 8; the screw conveying assembly 9 is placed on the top of the screen frame 51, and the screw conveying assembly 9 is slidably connected to the screen frame 51; the screw conveying assembly 9 includes a feeding motor 91, a spiral blade 92, a discharge port 93 and an outer cover 94; Figure 3 As shown, the outer cover 94 is fixed to the top of the power box 1, and a feeding motor 91 is installed inside the outer cover 94; a spiral blade 92 is provided on the side of the output shaft of the feeding motor 91; a discharge port 93 is provided at the bottom end of the outer cover 94, and a baffle 511 is provided on the side of the screen frame 51; the baffle 511 is connected to the discharge port 93.

[0030] The sand screening and cooling device for sand casting of the utility model, when in use, firstly puts the sand to be processed into the lower hopper 8, and when the lower hopper 8 discharges the sand, the sand enters the spiral conveying assembly 9, and the feeding motor 91 is started. When the feeding motor 91 is started, the spiral blade 92 is driven to rotate, and the falling sand is transported and discharged from the discharge port 93. When the sand screening assembly 5 is in a stationary state, the baffle 511 blocks the discharge port 93, and the discharge port 93 cannot discharge the sand at this time; start the shaking motor 72, and when the shaking motor 72 is started, the rotating wheel 71 is driven to rotate, thereby pulling The rocker 73 moves, driving the bracket 4 and the sand screening assembly 5 to rock left and right on the outer shell 2 through the rocker 73. During the rocking, the discharge port 93 is staggered with the baffle 511, and the sand is discharged into the surface of the screen frame 51. The inclined screen frame 51 is used to screen and cool the falling sand, and the cooling wind passes through the cooling assembly 6. When the sand screening assembly 5 is rocked left and right, the outer sleeve 63 moves on the outer surface of the inner insert tube 62; after screening, the unscreened sand or debris falls from the discharge port 52, and the screened sand enters the surface of the discharge conveyor belt 3 and is output through the discharge conveyor belt 3.

[0031] The sand screening and cooling device for sand casting of the utility model can realize sand screening and sand cooling, occupies a small area, utilizes the sand screening component that shakes left and right to screen the sand, and uses the cooling component to blow air to cool the shaking and screened sand during the sand screening, which can increase the contact area between the sand and the air, and improve the cooling of the sand while screening the sand;

[0032] The spiral conveying component of the utility model conveys the sand to be processed to the top of the sand screening component. When the sand screening component shakes to screen the sand, intermittent material feeding can be achieved without manual feeding. The intermittent material feeding method avoids sand accumulation and improves the sand screening efficiency.

[0033] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0034] In the description of this patent, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense, for example, it can be fixedly connected or set, or it can be detachably connected or set, or connected or set in one piece. For ordinary technicians in this field, the specific meanings of the above terms in this patent can be understood according to specific circumstances.

[0035] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "several" is two or more, unless otherwise clearly and specifically defined.

[0036] The technical scope of the present invention is not limited to the contents described above. Those skilled in the art can make various deformations and modifications to the above embodiments without departing from the technical concept of the present invention, and these deformations and modifications should all fall within the protection scope of the present invention.

Claims

1. A sand screening and cooling device for sand casting, characterized in that: The invention comprises a shell (2), a power box (1) being fixed to the side of the shell (2); a bracket (4) being slidably connected to the top of the shell (2), an inclined sand screening component (5) being fixed to one side of the top of the bracket (4); the sand screening component (5) being connected to a shaking drive component (7), the shaking drive component (7) being used to drive the bracket (4) and the sand screening component (5) to shake and screen sand on the shell (2); The shaking drive assembly (7) is arranged in the power box (1); a cooling assembly (6) is arranged on the side of the sand screening assembly (5); the cooling assembly (6) comprises a fan (61), an inner tube (62) and an outer tube (63); the fan (61) is installed in the power box (1), and the air outlet end of the fan (61) is connected to the inner tube (62); the inner tube (62) is slidably connected to the outer tube (63); the outer tube (63) is fixed to and connected to the sand screening assembly (5).

2. The sand screening and cooling device for sand casting according to claim 1, characterized in that: The sand screening assembly (5) comprises a screen frame (51), a material discharge port (52), an air inlet (53) and an air outlet (55); the bottom end of the screen frame (51) is a screen structure, and the side of the screen frame (51) is provided with a material discharge port (52); the side wall of the screen frame (51) is provided with an air inlet (53) inclined downward, and the air inlet (53) is fixed to and communicated with an outer sleeve (63); the other side wall of the screen frame (51) is provided with an air outlet (55) inclined downward.

3. The sand screening and cooling device for sand casting according to claim 2, characterized in that: The sand screening assembly (5) further comprises a first material discharge blocking cloth (54) and a second material discharge blocking cloth (56); the first material discharge blocking cloth (54) surrounds the outer edge of the material discharge opening (52); and the second material discharge blocking cloth (56) surrounds the bottom outer edge of the screen frame (51).

4. The sand screening and cooling device for sand casting according to claim 1, characterized in that: A discharge conveyor belt (3) is provided at the inner bottom end of the shell (2), and a slide groove (21) is provided at the top end of the shell (2); the bracket (4) is slidably connected to the slide groove (21).

5. The sand screening and cooling device for sand casting according to claim 4, characterized in that: A support plate (41) is provided at the bottom end of the bracket (4), and a slider (42) is fixed at the bottom end of the support plate (41); the slider (42) is slidably connected to the slide groove (21).

6. The sand screening and cooling device for sand casting according to claim 1, characterized in that: The shaking drive assembly (7) comprises a rotating wheel (71), a shaking motor (72) and a rocking arm (73); the shaking motor (72) is installed in a power box (1), and the output end of the shaking motor (72) is connected to the rotating wheel (71); the edge of the rotating wheel (71) is rotatably connected to a rocking arm (73), and the other end of the rocking arm (73) is rotatably connected to a bracket (4).

7. The sand screening and cooling device for sand casting according to claim 2, characterized in that: A screw conveying assembly (9) is fixed on the top of the power box (1), and the screw conveying assembly (9) is connected to the lower hopper (8); the screw conveying assembly (9) is placed on the top of the screen frame (51), and the screw conveying assembly (9) is slidably connected to the screen frame (51).

8. The sand screening and cooling device for sand casting according to claim 7, characterized in that: The spiral conveying assembly (9) comprises a feeding motor (91), a spiral blade (92), a discharge port (93) and an outer cover (94); the outer cover (94) is fixed to the top end of the power box (1), and the feeding motor (91) is installed inside the outer cover (94); the side of the output shaft of the feeding motor (91) is provided with a spiral blade (92); the bottom end of the outer cover (94) is provided with a discharge port (93), and the side of the screen frame (51) is provided with a baffle (511); the baffle (511) is connected to the discharge port (93).