Convenient sand cleaning device for casting

Abstract

The utility model discloses a convenient sand cleaning device for casting, which comprises a working table, a sand cleaning mechanism is arranged on the working table, the sand cleaning mechanism comprises two groups of support columns, a first cylinder, a support plate, a sliding sleeve, a motor, a connecting flange and a cleaning brush, the two groups of support columns are arranged on the working table, the first cylinder is arranged at the top ends of the support columns, and the sliding sleeve is arranged on the support plate. The supporting plate is installed at the output end of the first air cylinder, the two sets of sliding sleeves are arranged on the supporting column in a sliding mode and fixedly connected with the supporting plate, the motor is installed on the supporting plate, the connecting flange is installed at the output end of the motor, and the cleaning brush is installed on the connecting flange through a quick installation mechanism. And the quick mounting mechanism comprises a clamping rod, a clamping groove, a clamping sleeve, a clamping block, a sliding block, a lock sleeve, an inclined push block, a rotating sleeve and an inclined block sleeve. The technical problems that in the background technology, the sand cleaning efficiency is low, the replacement process is often very tedious and time-consuming, and the casting part is inconvenient to convey and clamp are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of casting, and more particularly to a convenient sand cleaning device for casting. Background Art

[0002] In the existing technology, a convenient sand cleaning device for casting is an auxiliary equipment specially designed for the foundry industry, which is mainly used to clean the residual molding sand on the surface and inside of the casting. The design of this device is intended to improve the sand cleaning efficiency, improve the working environment, reduce labor intensity, and improve the surface quality of the casting;

[0003] First, the sand cleaning devices in the prior art have the problem of low sand cleaning efficiency, which seriously affects the production efficiency and product quality of the foundry industry. Traditional sand cleaning methods often rely on manual operation or simple mechanical devices, which cannot meet the needs of modern production. These devices are usually only able to perform sand cleaning in a single direction or at a fixed angle, resulting in incomplete cleaning. In particular, it is difficult to achieve comprehensive cleaning for castings with complex shapes. In addition, the sand cleaning speed is slow and cannot meet the needs of mass production. This not only increases production time, but may also lead to unstable sand cleaning quality, affecting the quality of subsequent processing steps and the final product.

[0004] Furthermore, in the prior art, it is necessary to replace cleaning brushes of different models, but this process is often very cumbersome and time-consuming. Conventional cleaning brush installation methods generally use bolt fixation or other complex connection methods, which requires the use of special tools and is time-consuming. Different shapes and materials of castings may require different types of cleaning brushes. Frequent replacement operations greatly reduce production efficiency. In addition, the complex installation and disassembly process also increases the risk of operational errors, which may cause equipment damage or safety hazards. This situation not only affects production efficiency, but also increases maintenance costs and the labor intensity of operators.

[0005] Secondly, the existing technology is inconvenient for conveying and clamping castings, which is another factor that seriously restricts the efficiency of sand cleaning. Traditional conveying systems often lack flexibility and cannot adapt to castings of different sizes and shapes. This leads to the need to frequently adjust or replace conveying equipment when processing different batches or types of castings, greatly reducing production efficiency. At the same time, the imperfection of the clamping system is also a prominent problem. Unstable or inaccurate clamping may cause the position of the casting to shift during the sand cleaning process, affecting the quality of sand cleaning. In addition, inappropriate clamping methods may damage the surface of the casting, especially for some precision or high-surface-requirement castings. These problems not only affect the effect of sand cleaning, but may also lead to an increase in product scrap rate, resulting in economic losses. Utility Model Content

[0006] (1) Technical problems solved

[0007] In response to the problems existing in the prior art, the utility model provides a convenient sand cleaning device for casting to solve the technical problems mentioned in the background technology, such as low sand cleaning efficiency, complicated and time-consuming replacement process, and inconvenience in conveying and clamping castings.

[0008] (2) Technical solution

[0009] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a convenient sand cleaning device for casting, comprising a workbench, a sand cleaning mechanism is provided on the workbench, the sand cleaning mechanism comprises a pillar, a first cylinder, a support plate, a sliding sleeve, a motor, a connecting flange and a cleaning brush, the pillar is provided with two groups mounted on the workbench, the first cylinder is mounted on the top of the pillar, the support plate is mounted on the output end of the first cylinder, the sliding sleeve is provided with two groups sliding on the pillar and fixedly connected to the support plate, the motor is mounted on the support plate, and the connecting flange is mounted on the output of the motor. The end of the cleaning brush is installed on the connecting flange by a quick-install mechanism, and the quick-install mechanism includes a clamping rod, a clamping groove, a clamping sleeve, a clamping block, a sliding block, a locking sleeve, an oblique push block, a rotating sleeve and an oblique block sleeve. The clamping rod is arranged on the cleaning brush, the clamping groove is arranged at the top end of the clamping rod, the clamping block is arranged in the clamping sleeve, the sliding block is installed at both ends of the clamping block, the locking sleeve is arranged on the outer wall of the clamping sleeve, the oblique push block is provided with multiple groups installed on the bottom surface of the locking sleeve, the rotating sleeve is rotatably installed at the bottom end of the clamping sleeve, and the oblique block sleeve is installed on the top surface of the rotating sleeve.

[0010] The utility model is further configured such that the clamping blocks are provided in multiple groups and distributed in the clamping sleeve, the multiple groups of sliding blocks are all slidably connected to the inner wall of the clamping sleeve and the top end can extend out of the clamping sleeve, and the inner wall of the locking sleeve abuts against the multiple groups of sliding blocks. This design improves the stability and reliability of the locking mechanism.

[0011] The utility model is further configured such that push springs are connected between the plurality of groups of sliding blocks and the clamping sleeves, eliminating the need for additional manual operation and improving installation efficiency and convenience.

[0012] The utility model is further configured such that a tension spring is provided between the locking sleeve and the snap sleeve, and the tension spring is provided in multiple groups and the two ends are respectively connected to the locking sleeve and the snap sleeve. The configuration of the tension spring provides the locking sleeve with an automatic reset function. In the unlocked state, the tension spring will automatically pull the locking sleeve back to its initial position, facilitating the next installation operation.

[0013] The present invention is further configured as follows: a limiting assembly is provided on the clamping sleeve, and the limiting assembly includes a control sleeve, a support rod, a limiting plate and a limiting block. The control sleeve is rotatably mounted on the top of the clamping sleeve, the support rod is provided with multiple groups installed on the outer wall of the control sleeve, the limiting plates are provided with multiple groups respectively installed on the bottom ends of multiple groups of support rods, and the limiting blocks are provided with multiple groups installed on the outer wall of the lock sleeve. This mechanism prevents accidental movement of the lock sleeve and improves the safety and reliability of the entire device.

[0014] The utility model is further configured such that a telescopic spring is connected inside the snap-fit sleeve, and a butt sleeve is installed at the bottom end of the telescopic spring. This design increases the adaptability of the device and can adapt to cleaning brushes of different sizes, while also extending the service life of each component.

[0015] The present invention is further configured as follows: a conveying and clamping mechanism is provided on the workbench, and the conveying and clamping mechanism includes a bracket, a longitudinal transmission system, a transverse transmission system, a support block, a side clamping plate, a second cylinder, a push plate, a baffle and a push block. The bracket is installed on one side of the workbench, the longitudinal transmission system is installed at the bottom end of the bracket, the transverse transmission system is installed on the longitudinal transmission system, the support block is installed on the transverse transmission system, two groups of side clamping plates are installed on the support block, the second cylinder is installed on the top surface of the bracket, the push plate is installed at the output end of the second cylinder, the baffle is installed on the workbench, and the push block is installed at the bottom end of the push plate. This multi-dimensional adjustment and positioning mechanism significantly improves the efficiency and quality of the sand cleaning process.

[0016] The utility model is further configured such that a supporting assembly is provided on the workbench, and the supporting assembly includes a third cylinder, a slide bar, a slider and a supporting plate. The third cylinder is mounted on the bottom surface of the workbench, the slide bar is mounted on the bottom surface of the workbench, the slider is slidably mounted on the slide bar, and the supporting plate is mounted on the top surface of the slider. This design can not only transport the cleaned castings out of the working area, but also realize the flipping of the castings during the sand cleaning process to ensure comprehensive cleaning.

[0017] (3) Beneficial effects

[0018] Compared with the prior art, the present invention provides a convenient sand cleaning device for casting, which has the following beneficial effects:

[0019] 1. The sand cleaning mechanism realizes multi-directional movement and rotation of the cleaning brush through the combination of the support, the first cylinder, the support plate, the sliding sleeve, the motor and the connecting flange, which greatly improves the sand cleaning efficiency and cleaning quality, and is particularly suitable for processing castings with complex shapes.

[0020] 2. The quick-install mechanism adopts components such as a clamping rod, a clamping groove, a clamping sleeve, a clamping block and a sliding block to realize the rapid installation and removal of the cleaning brush, significantly reducing the replacement time and improving production efficiency. The limit assembly, through the ingenious cooperation of the locking sleeve, the oblique push block, the rotating sleeve, the oblique block sleeve, the control sleeve, the support rod, the limit plate and the limit block, not only ensures the stable installation of the cleaning brush, but also provides reliable locking and quick release functions, greatly improving the safety and convenience of operation. The collaborative work of these two mechanisms solves the problems of cumbersome replacement and unstable fixation of the cleaning brush in the traditional sand cleaning device, making the replacement and maintenance of the cleaning brush simple and quick.

[0021] 3. The conveying and clamping mechanism consists of a bracket, a longitudinal transmission system, a transverse transmission system, a support block, a side clamping plate, a second cylinder, a push plate, a stop rod and a push block, which realizes the precise positioning and stable clamping of the casting, adapts to castings of different sizes and shapes, and improves the stability and accuracy of the sand cleaning process. The conveying assembly includes a third cylinder, a slide bar, a slider and a conveying plate, which can flexibly move and flip the casting to achieve all-round sand cleaning and quickly output the casting after cleaning, thereby improving overall work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the overall structure of a convenient sand cleaning device for casting in the utility model;

[0023] Figure 2 This is a structural diagram of the quick-install mechanism and the cleaning brush in the present invention in a disassembled state;

[0024] Figure 3 This is a schematic structural diagram of the conveying and clamping mechanism in the present utility model;

[0025] Figure 4 This is a structural diagram of the feeding mechanism in the utility model;

[0026] Figure 5 This is a schematic structural diagram of the quick-loading mechanism in the present utility model;

[0027] Figure 6 This is a schematic structural diagram of the oblique block sleeve and the oblique push block in the utility model;

[0028] Figure 7 It is a structural diagram of the clamping block in the utility model.

[0029] In the figure: 1. workbench; 2. pillar; 3. first cylinder; 4. support plate; 5. sliding sleeve; 6. motor; 7. connecting flange; 8. cleaning brush; 9. clamping rod; 10. clamping groove; 11. clamping sleeve; 12. clamping block; 13. sliding block; 14. locking sleeve; 15. oblique push block; 16. rotating sleeve; 17. oblique block sleeve; 18. push spring; 19. tension spring; 20. control sleeve; 21. support rod; 22. limit plate; 23. limit block; 24. telescopic spring; 25. resisting sleeve; 26. bracket; 27. longitudinal transmission system; 28. transverse transmission system; 29. support block; 30. side clamp; 31. second cylinder; 32. push plate; 33. stop rod; 34. push block; 35. third cylinder; 36. slide bar; 37. slider; 38. support plate. DETAILED DESCRIPTION

[0030] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments in this application can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0031] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0032] In the present invention, unless otherwise specified, directions such as "up" and "down" are usually relative to the directions shown in the drawings, or relative to the vertical, perpendicular or gravity direction; similarly, for ease of understanding and description, "left" and "right" are usually relative to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned direction words are not used to limit the present invention.

[0033] See also Figure 1-7A convenient sand cleaning device for casting includes a workbench 1, a sand cleaning mechanism is provided on the workbench 1, and the sand cleaning mechanism includes a pillar 2, a first cylinder 3, a support plate 4, a sleeve 5, a motor 6, a connecting flange 7 and a cleaning brush 8. The pillar 2 is provided with two groups mounted on the workbench 1, the first cylinder 3 is installed at the top of the pillar 2, the support plate 4 is installed at the output end of the first cylinder 3, the sleeve 5 is provided with two groups sliding on the pillar 2 and fixedly connected to the support plate 4, the motor 6 is installed on the support plate 4, the connecting flange 7 is installed at the output end of the motor 6, and the cleaning brush 8 is installed on the connecting flange through a quick-install mechanism. 7, the quick-loading mechanism includes a clamping rod 9, a clamping groove 10, a clamping sleeve 11, a clamping block 12, a sliding block 13, a locking sleeve 14, an oblique push block 15, a rotating sleeve 16 and an oblique block sleeve 17. The clamping rod 9 is arranged on the cleaning brush 8, the clamping groove 10 is arranged at the top of the clamping rod 9, the clamping block 12 is arranged in the clamping sleeve 11, the sliding block 13 is installed at both ends of the clamping block 12, the locking sleeve 14 is arranged on the outer wall of the clamping sleeve 11, the oblique push block 15 is provided with multiple groups installed on the bottom surface of the locking sleeve 14, the rotating sleeve 16 is rotatably installed at the bottom end of the clamping sleeve 11, and the oblique block sleeve 17 is installed on the top surface of the rotating sleeve 16.

[0034] The clamping blocks 12 are provided with multiple groups distributed in the clamping sleeve 11. The multiple groups of sliding blocks 13 are all slidably connected to the inner wall of the clamping sleeve 11 and the top end can extend out of the clamping sleeve 11. The inner wall of the locking sleeve 14 abuts against the multiple groups of sliding blocks 13. This design improves the stability and reliability of the locking mechanism. The cooperation between the multiple groups of clamping blocks 12 and the sliding blocks 13 increases the contact area and improves the connection strength. The sliding blocks 13 can extend out of the clamping sleeve 11, which is convenient for cooperating with the clamping groove on the cleaning brush to achieve quick locking. The abutment effect of the locking sleeve 14 further ensures the stability of the locked state.

[0035] Push springs 18 are connected between multiple groups of sliding blocks 13 and the snap-fit sleeves 11. The setting of the push springs 18 makes the sliding blocks 13 tend to extend automatically, which greatly simplifies the operation process. When the cleaning brush is inserted, the sliding blocks 13 will automatically snap into the snap-fit groove without the need for additional manual operation, thereby improving installation efficiency and convenience. At the same time, the elasticity of the push springs 18 also provides necessary buffering for the disassembly process, reducing component wear.

[0036] A tension spring 19 is provided between the locking sleeve 14 and the snap sleeve 11. There are multiple groups of tension springs 19 and the two ends are respectively connected to the locking sleeve 14 and the snap sleeve 11. The setting of the tension spring 19 provides an automatic reset function for the locking sleeve 14. In the unlocked state, the tension spring 19 will automatically pull the locking sleeve 14 back to the initial position, which is convenient for the next installation operation. The use of multiple groups of tension springs 19 ensures uniform distribution of force and improves the stability and service life of the device.

[0037] A limiting assembly is provided on the snap sleeve 11, and the limiting assembly includes a control sleeve 20, a support rod 21, a limiting plate 22 and a limiting block 23. The control sleeve 20 is rotatably installed at the top of the snap sleeve 11, and the support rod 21 is provided with multiple groups installed on the outer wall of the control sleeve 20, and the limiting plates 22 are provided with multiple groups respectively installed at the bottom ends of multiple groups of support rods 21, and the limiting blocks 23 are provided with multiple groups installed on the outer wall of the lock sleeve 14. This design provides a reliable locking mechanism. By rotating the control sleeve 20, the limiting plate 22 can be brought into contact with or separated from the limiting block 23, thereby achieving locking or release of the lock sleeve 14. This mechanism prevents accidental movement of the lock sleeve 14, improves the safety and reliability of the entire device, and at the same time, the operation is simple. Locking or unlocking can be completed by simply rotating the control sleeve 20, which greatly improves the operating efficiency.

[0038] A telescopic spring 24 is connected inside the snap-in sleeve 11, and a collar 25 is installed at the bottom end of the telescopic spring 24. The arrangement of the telescopic spring 24 and the collar 25 provides buffering and adaptive functions for the entire mechanism. During the installation process, the telescopic spring 24 can absorb part of the impact force and protect various components, while the collar 25 can ensure the stable positioning of the cleaning brush. This design increases the adaptability of the device and can adapt to cleaning brushes of different sizes, while also extending the service life of each component.

[0039] In this embodiment, the operator installs the cleaning brush 8 through the quick-install mechanism, the clamping rod 9 on the cleaning brush 8 is inserted into the clamping sleeve 11, the clamping groove 10 cooperates with the clamping block 12, and the multiple sets of sliding blocks 13 extend out of the clamping sleeve 11 under the action of the push spring 18 and are clamped into the clamping groove 10 to achieve preliminary fixation. The oblique push block 15 on the bottom surface of the locking sleeve 14 cooperates with the oblique block sleeve 17 on the rotating sleeve 16, and the control sleeve 20 is rotated to make the oblique block sleeve 17 push the multiple sets of oblique push blocks 15, thereby pushing the locking sleeve 14 so that its inner wall abuts against the multiple sets of sliding blocks 13 to prevent retraction, and then the control sleeve 20 is rotated to make the multiple sets of limit plates 22 abut on both sides of the multiple sets of limit blocks 23, thereby locking the locking sleeve 14. 4 is abutted against the limit. When the cleaning brush 8 needs to be replaced, the control sleeve 20 is rotated to drive the multiple groups of support rods 21 so that the multiple groups of limit rods are separated from the limit blocks 23 to release the limit on the locking sleeve 14. The locking sleeve 14 can be quickly disassembled by pulling the multiple groups of tension springs 19. This design not only ensures the stable installation of the cleaning brush 8, but also greatly improves the replacement efficiency. The starting motor 6 drives the connecting flange 7 to rotate, and the connecting flange 7 drives the cleaning brush 8 to rotate. At the same time, the support plate 4 is pushed by the first cylinder 3, and the support plate 4 slides along the pillar 2 through the sliding sleeve 5. At the same time, the casting is fixed by the conveying and clamping mechanism, and the cleaning brush 8 is pushed by the first cylinder 3 to perform sand cleaning operation on the casting.

[0040] See also Figure 3As an implementation method of the conveying and clamping mechanism: a conveying and clamping mechanism is provided on the workbench 1, and the conveying and clamping mechanism includes a bracket 26, a longitudinal transmission system 27, a transverse transmission system 28, a support block 29, a side clamping plate 30, a second cylinder 31, a push plate 32, a blocking rod 33 and a push block 34. The bracket 26 is installed on one side of the workbench 1, the longitudinal transmission system 27 is installed at the bottom end of the bracket 26, the transverse transmission system 28 is installed on the longitudinal transmission system 27, the support block 29 is installed on the transverse transmission system 28, the side clamping plate 30 is provided with two groups and is installed on the support block 29, the second cylinder 31 is installed on the bracket 26 On the top surface, the push plate 32 is installed at the output end of the second cylinder 31, the baffle 33 is installed on the workbench 1, and the push block 34 is installed at the bottom end of the push plate 32. This design greatly improves the flexibility and accuracy of casting processing. The longitudinal transmission system 27 and the transverse transmission system 28 allow the position to be adjusted in two directions to adapt to castings of different sizes. The side clamping plate 30 provides stable clamping, and the cooperation of the second cylinder 31, the push plate 32 and the push block 34 realizes the precise pushing and positioning of the casting, and the baffle 33 provides a fixed reference point. This multi-dimensional adjustment and positioning mechanism significantly improves the efficiency and quality of the sand cleaning process.

[0041] A supporting assembly is provided on the workbench 1, and the supporting assembly includes a third cylinder 35, a slide 36, a slider 37 and a supporting plate 38. The third cylinder 35 is installed on the bottom surface of the workbench 1, the slide 36 is installed on the bottom surface of the workbench 1, the slider 37 is slidably installed on the slide 36, and the supporting plate 38 is installed on the top surface of the slider 37. The design of the supporting assembly realizes the flexible movement and flipping of the casting. The third cylinder 35 provides power, and the precise linear movement of the supporting plate 38 can be realized through the cooperation of the slide 36 and the slider 37. This design can not only transport the cleaned castings out of the working area, but also realize the flipping of the castings during the sand cleaning process to ensure comprehensive cleaning, which greatly improves the efficiency and quality of sand cleaning, while reducing manual operation and improving production efficiency.

[0042] More specifically, longitudinal and transverse transmission systems 28 adjust the position of support blocks 29, while two sets of side clamps 30 clamp the casting. A second cylinder 31 drives a push plate 32, which pushes a push block 34 toward a stop bar 33 for precise positioning. A third cylinder 35 drives a slider 37 along a slide bar 36, which in turn drives a carrier plate 38 to move the casting. Once cleaning is complete, the side clamps 30 release, and the carrier assembly delivers the cleaned casting off the workbench 1.

[0043] In summary, when the overall device is in use or running: the operator installs the cleaning brush 8 through the quick-install mechanism, the clamping rod 9 on the cleaning brush 8 is inserted into the clamping sleeve 11, the clamping groove 10 cooperates with the clamping block 12, and the multiple sets of sliding blocks 13 extend out of the clamping sleeve 11 under the action of the push spring 18, and are clamped into the clamping groove 10 to achieve preliminary fixation, the oblique push block 15 on the bottom surface of the locking sleeve 14 cooperates with the oblique block sleeve 17 on the rotating sleeve 16, and the control sleeve 20 is rotated to make the oblique block sleeve 17 push the multiple sets of oblique push blocks 15, thereby pushing the locking sleeve 14 so that its inner wall abuts against the multiple sets of sliding blocks 13 to prevent retraction, and then the control sleeve 20 is rotated to make the multiple sets of limit plates 22 abut against both sides of the multiple sets of limit blocks 23, thereby The locking sleeve 14 is abutted and limited. When the cleaning brush 8 needs to be replaced, the control sleeve 20 is rotated to drive multiple groups of support rods 21 so that the multiple groups of limit rods disengage from the limit blocks 23 to release the limit on the locking sleeve 14. The locking sleeve 14 can be quickly disassembled by pulling the multiple groups of tension springs 19. This design not only ensures the stable installation of the cleaning brush 8, but also greatly improves the replacement efficiency. The starting motor 6 drives the connecting flange 7 to rotate, and the connecting flange 7 drives the cleaning brush 8 to rotate. At the same time, the support plate 4 is pushed by the first cylinder 3, and the support plate 4 slides along the pillar 2 through the sliding sleeve 5. At the same time, the casting is fixed by the conveying and clamping mechanism, and the cleaning brush 8 is pushed by the first cylinder 3 to perform sand cleaning operations on the casting.

[0044] Longitudinal and transverse transmission systems 28 adjust the position of support blocks 29, while two sets of side clamps 30 clamp the casting. A second cylinder 31 drives a push plate 32, which pushes a push block 34 toward a stop bar 33 for precise positioning. A third cylinder 35 drives a slider 37 along a slide bar 36, which in turn drives a carrier plate 38 to move the casting. Once cleaning is complete, the side clamps 30 release, and the carrier assembly delivers the cleaned casting off the workbench 1.

[0045] In all the schemes mentioned above, the connection between the two components can be selected according to actual conditions by welding, bolt and nut connection, bolt or screw connection or other well-known connection methods, which will not be listed here one by one. In the above, all fixed connections are preferably welded. Although the embodiments of the present invention have been shown and described, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the attached claims and their equivalents.

Claims

1. A convenient sand cleaning device for casting, comprising a workbench (1), characterized in that: The workbench (1) is provided with a sand cleaning mechanism, which comprises a pillar (2), a first cylinder (3), a support plate (4), a sliding sleeve (5), a motor (6), a connecting flange (7) and a cleaning brush (8). The pillar (2) is provided with two groups of sliding sleeves mounted on the workbench (1). The first cylinder (3) is mounted on the top of the pillar (2). The support plate (4) is mounted on the output end of the first cylinder (3). The sliding sleeve (5) is provided with two groups of sliding sleeves on the pillar (2) and fixedly connected to the support plate (4). The motor (6) is mounted on the support plate (4). The connecting flange (7) is mounted on the output end of the motor (6). The cleaning brush (8) is mounted on the connecting flange (7) by means of a quick-install mechanism. The quick-install mechanism comprises a card A connecting rod (9), a connecting groove (10), a connecting sleeve (11), a connecting block (12), a sliding block (13), a locking sleeve (14), an oblique push block (15), a rotating sleeve (16) and an oblique block sleeve (17); the connecting rod (9) is arranged on the cleaning brush (8); the connecting groove (10) is arranged at the top end of the connecting rod (9); the connecting block (12) is arranged in the connecting sleeve (11); the sliding block (13) is installed at both ends of the connecting block (12); the locking sleeve (14) is arranged on the outer wall of the connecting sleeve (11); the oblique push block (15) is provided with multiple groups installed on the bottom surface of the locking sleeve (14); the rotating sleeve (16) is rotatably installed on the bottom end of the connecting sleeve (11); and the oblique block sleeve (17) is installed on the top surface of the rotating sleeve (16).

2. The convenient sand cleaning device for casting according to claim 1, characterized in that: The clamping blocks (12) are provided with multiple groups distributed in the clamping sleeve (11), the multiple groups of sliding blocks (13) are all slidably connected to the inner wall of the clamping sleeve (11) and the top ends can extend out of the clamping sleeve (11), and the inner wall of the locking sleeve (14) abuts against the multiple groups of sliding blocks (13).

3. A convenient sand cleaning device for casting according to claim 2, characterized in that: multiple groups A push spring (18) is connected between the sliding block (13) and the clamping sleeve (11).

4. The convenient sand cleaning device for casting according to claim 3 is characterized in that: A tension spring (19) is provided between the locking sleeve (14) and the clamping sleeve (11). The tension spring (19) is provided in multiple groups and its two ends are respectively connected to the locking sleeve (14) and the clamping sleeve (11).

5. The convenient sand cleaning device for casting according to claim 4 is characterized in that: A limiting assembly is provided on the snap-fit sleeve (11), and the limiting assembly comprises a control sleeve (20), a support rod (21), a limiting plate (22) and a limiting block (23). The control sleeve (20) is rotatably mounted on the top of the snap-fit sleeve (11), the support rod (21) is provided with multiple groups mounted on the outer wall of the control sleeve (20), the limiting plates (22) are provided with multiple groups respectively mounted on the bottom ends of multiple groups of the support rods (21), and the limiting blocks (23) are provided with multiple groups mounted on the outer wall of the lock sleeve (14).

6. The convenient sand cleaning device for casting according to claim 5, characterized in that: A telescopic spring (24) is connected inside the clamping sleeve (11), and a supporting sleeve (25) is installed at the bottom end of the telescopic spring (24).

7. The convenient sand cleaning device for casting according to claim 6, characterized in that: The workbench (1) is provided with a conveying and clamping mechanism, which comprises a bracket (26), a longitudinal transmission system (27), a transverse transmission system (28), a support block (29), a side clamping plate (30), a second cylinder (31), a push plate (32), a blocking rod (33) and a pushing block (34). The bracket (26) is installed on one side of the workbench (1), the longitudinal transmission system (27) is installed at the bottom end of the bracket (26), the transverse transmission system (28) is installed on the longitudinal transmission system (27), the support block (29) is installed on the transverse transmission system (28), the side clamping plate (30) is provided with two groups installed on the support block (29), the second cylinder (31) is installed on the top surface of the bracket (26), the push plate (32) is installed at the output end of the second cylinder (31), the blocking rod (33) is installed on the workbench (1), and the pushing block (34) is installed at the bottom end of the push plate (32).

8. The convenient sand cleaning device for casting according to claim 7, characterized in that: A conveying assembly is provided on the workbench (1), and the conveying assembly includes a third cylinder (35), a slide bar (36), a slider (37) and a conveying plate (38). The third cylinder (35) is installed on the bottom surface of the workbench (1), the slide bar (36) is installed on the bottom surface of the workbench (1), the slider (37) is slidably installed on the slide bar (36), and the conveying plate (38) is installed on the top surface of the slider (37).

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