Automatic turn-over shot blasting machine

Abstract

The utility model relates to the technical field of shot blasting machines, in particular to an automatic turn-over shot blasting machine which comprises a bottom plate, a shot blasting bin is installed on the bottom plate, two limiting rods are symmetrically installed on the inner wall of the bottom plate, two sets of overturning assemblies are arranged on the two L-shaped supporting plates in a mirror image mode, the two limiting rods are slidably sleeved with two sliding sleeves correspondingly, and a connecting beam is jointly installed between the two sliding sleeves. The bottom ends of the two fixing bolts are rotationally installed on the clamping plate, the fixing bolts can drive the clamping plate to fix a workpiece between the two overturning assemblies when rotating, and the driving shaft can drive the workpiece to move into the shot blasting bin through an opening in the side face of the shot blasting bin through one overturning assembly when rotating. When the first motor operates, a workpiece can be driven to turn over between the two connecting beams through the two rotating shafts, the function of automatic turning over during shot blasting cleaning is achieved through cooperation, compared with a traditional shot blasting machine, the rust removal and strengthening efficiency is higher, and the use convenience of the shot blasting machine is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of shot blasting machines, in particular to an automatic turning shot blasting machine. Background Art

[0002] Shot blasting machine is a device that projects high-hardness projectiles onto the surface of a workpiece. It improves the strength of the workpiece and cleans the surface of the workpiece by shooting projectiles at high speed. The hardness of the projectile is higher than that of the workpiece. It is widely used in industrial manufacturing for slag removal and surface rust removal after casting.

[0003] A patent with announcement number CN 218364126 U discloses a steel structure shot blasting machine, including a shot blasting machine body, a conveying platform crossing the middle of the shot blasting machine body, a collecting and screening mechanism arranged inside the shot blasting machine body, a collecting pipe fixedly connected to the front of the shot blasting machine body, a lifting pipe fixedly connected to the top of the collecting pipe, a motor fixedly installed on the top of the lifting pipe, a spiral blade fixedly connected to the surface of the rotating shaft, a recovery pipe fixedly plugged into the back of the lifting pipe, a shot box fixedly connected to the end of the recovery pipe, and the shot box fixedly installed on the top of the shot blasting machine body, small particles of sand are screened into the collection box through a screen, so that the shot enters the collection pipe through an opening, thereby achieving the effect of facilitating the rapid recycling of the shot in the shot blasting machine, improving the degree of automation of the shot recovery of the shot blasting machine, and ensuring the working efficiency of the shot blasting machine.

[0004] However, since the existing shot blasting machine cannot automatically turn over the workpiece during the processing, multiple processing is required, resulting in low rust removal and strengthening efficiency and slow processing speed; therefore, a shot blasting machine with automatic turning is proposed to address the above problems. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art and to address the problems existing in the prior art, the utility model proposes an automatic turning shot blasting machine.

[0006] The technical solution adopted by the utility model to solve its technical problems is: the automatic turning shot blasting machine described in the utility model comprises a bottom plate; a shot blasting bin is installed on the bottom plate, an opening is arranged on the side of the shot blasting bin, an L-shaped support plate is installed at the lower part of the opening of the shot blasting bin, two limit rods are symmetrically installed on the inner wall of the bottom plate, and the other ends of the two limit rods pass through the opening on the side of the shot blasting bin and are installed on the side wall of the L-shaped support plate, two groups of turning components are mirror-imaged on the two L-shaped support plates, and the turning components include two sliding sleeves, and The two sliding sleeves are respectively slidably sleeved on the two limit rods, and a connecting beam is installed between the two sliding sleeves. A hole is penetrated through the side of the connecting beam, and a rotating shaft is penetrated through the hole. A U-shaped fixing piece is installed at the end of the rotating shaft, and the openings of the U-shaped fixing pieces in the two groups of the flip assemblies are symmetrically arranged inwardly, and a clamping plate is arranged in the opening of the U-shaped fixing piece. Two threaded holes are symmetrically opened on the U-shaped fixing piece, and fixing bolts are respectively penetrated through the two threaded holes, and the bottom ends of the two fixing bolts are rotatably mounted on the clamping plate, which An L-shaped hollow shaft is installed under the U-shaped fixing piece of one set of flip assemblies, and an L-shaped connecting rod is installed under the U-shaped fixing piece of another set of flip assemblies, and the L-shaped hollow shaft and the horizontal section of the L-shaped connecting rod are located on the same horizontal line, the horizontal section of the L-shaped connecting rod is penetrated and arranged in the horizontal section of the L-shaped hollow shaft, and the side of the L-shaped connecting rod is horizontally arranged with pin holes, and a through groove is penetrated and opened at the end of the horizontal section of the L-shaped hollow shaft, and a latch bolt is penetrated in the through groove, and the other end of the latch bolt simultaneously penetrates the through groove and the pin hole at the end of the L-shaped hollow shaft. Nut, a No. 2 motor is installed on the connecting beam in one group of flip assemblies through a fixing part, a driving shaft is installed on the output shaft of the No. 2 motor, and the side curved surface of the driving shaft intersects with one of the limit rods, a shot blasting launcher is arranged on the top of the shot blasting bin, and is located above the two limit rods, and a No. 1 motor is installed on the other end of the rotating shaft in one group of flip assemblies, which cooperate to achieve the effect of automatic flipping during shot blasting cleaning. Compared with traditional shot blasting machines, the rust removal and strengthening efficiency is higher, the cleaning and slag removal effect is more comprehensive, and the use convenience of the shot blasting machine is effectively improved.

[0007] Preferably, the two limit rods are parallel to each other and are horizontally arranged, the connecting beam and the limit rod are perpendicular to each other, and the U-shaped fixing piece and the connecting beam are parallel to each other, so as to achieve the effect of driving the two U-shaped fixing pieces to rotate between the two connecting beams, so as to drive the workpiece to flip between the two limit rods.

[0008] Preferably, the No. 1 motor is installed on the connecting beam through a fixing part, and the No. 1 motor is located outside the two groups of flipping assemblies. A limiting disk is installed on the other end of the rotating shaft in the other group of flipping assemblies, which cooperates to achieve the effect of flipping the workpiece and improve the impurity removal and strengthening effect of the shot blasting machine.

[0009] Preferably, the U-shaped fixing part is located on the inner side of two limit rods, the fixing bolt and the clamp plate are perpendicular to each other, the L-shaped hollow shaft and the horizontal section of the L-shaped connecting rod are perpendicular to each other and parallel to the limit rods, and the No. 1 motor, No. 2 motor and the outer side of the drive shaft are all provided with protective shells, which cooperate to achieve the effect of fixing the workpiece and improve the stability of use.

[0010] Preferably, a U-shaped sieve plate is installed in the opening of the bottom plate, and the U-shaped sieve plate is located below the two limit rods, and two vertical rods are symmetrically installed on the bottom plate on both sides of the shot blasting bin, and sliding sleeves are slidably sleeved on the two vertical rods respectively, and a closing plate for blocking the side opening of the shot blasting bin is jointly installed on the inner side of the two sliding sleeves, which cooperate to achieve the effect of closing the opening of the shot blasting bin and ensure the use effect.

[0011] Preferably, baffles are respectively installed on the top of the two vertical poles, and two hydraulic telescopic rods are symmetrically installed on the bottom plate on both sides of the shot blasting bin, and the hydraulic telescopic rods are parallel to the vertical poles. The tops of the two hydraulic telescopic rods are respectively connected to two sliding sleeves through fixed plates. A conveying pipe is installed on the shot blasting launcher, and the other end of the conveying pipe is connected to the bottom of the shot blasting bin side. A shot blasting conveying device is installed on the conveying pipe, so as to achieve the effect of recycling the projectiles.

[0012] The utility model is beneficial in that:

[0013] 1. When the fixing bolt rotates, the utility model drives the clamping plate to fix the workpiece between the two groups of flipping components. When the No. 2 motor is running, it drives the driving shaft to rotate. When the driving shaft rotates, it drives the workpiece through the opening on the side of the shot blasting bin to move into the shot blasting bin through one group of flipping components. When the No. 1 motor is running, it drives the workpiece to flip between the two connecting beams through the two rotating shafts, and then flips the workpiece under the shot blasting launcher, which achieves the effect of automatic flipping during shot blasting cleaning. Compared with traditional shot blasting machines, it has higher rust removal and strengthening efficiency, more comprehensive cleaning and slag removal effects, and effectively improves the convenience of using the shot blasting machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0015] Figure 1 is a schematic diagram of a first three-dimensional structure;

[0016] Figure 2 It is a cutaway and enlarged schematic diagram of the main structure of the shot blasting component;

[0017] Figure 3 It is an enlarged schematic diagram of the main structure of the flip conveying component;

[0018] Figure 4 It is a cross-sectional enlarged schematic diagram of the flip assembly structure;

[0019] Figure 5 It is a cutaway and enlarged schematic diagram of the main structure of the connection component;

[0020] Figure 6 It is an enlarged schematic diagram of the main structure of the clamping component;

[0021] Figure 7 This is an enlarged schematic diagram of the main structure of the shot blasting bin.

[0022] In the figure: 1. bottom plate; 2. shot blasting chamber; 3. limit rod; 4. L-shaped support plate; 5. sliding sleeve; 6. connecting beam; 7. rotating shaft; 8. U-shaped fixing piece; 9. clamping plate; 10. fixing bolt; 11. L-shaped hollow shaft; 12. L-shaped connecting rod; 13. pin hole; 14. latch bolt; 15. nut; 16. No. 1 motor; 17. No. 2 motor; 18. driving shaft; 19. vertical pole; 20. sliding sleeve; 21. closing plate; 22. baffle; 23. hydraulic telescopic rod; 24. fixing plate; 25. U-shaped screen plate; 26. shot blasting launcher; 27. conveying pipe; 28. shot blasting conveying equipment. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-7As shown, an automatic flipping shot blasting machine comprises a bottom plate 1; a shot blasting bin 2 is installed on the bottom plate 1, an opening is arranged on the side of the shot blasting bin 2, an L-shaped support plate 4 is installed at the lower part of the opening of the shot blasting bin 2, two limiting rods 3 are symmetrically installed on the inner wall of the bottom plate 1, and the other ends of the two limiting rods 3 pass through the opening on the side of the shot blasting bin 2 and are installed on the side wall of the L-shaped support plate 4, two groups of flipping components are mirror-imaged on the two L-shaped support plates 4, the flipping components comprise two sliding sleeves 5, and the two sliding sleeves 5 are respectively slidably sleeved on the two limiting rods 3, a connecting beam 6 is commonly installed between the two sliding sleeves 5, a hole is penetrated through the side of the connecting beam 6, a rotating shaft 7 is penetrated through the hole, A U-shaped fixing piece 8 is installed at the end of the rotating shaft 7, and the openings of the U-shaped fixing pieces 8 in the two groups of the flipping assemblies are symmetrically arranged inwardly, a clamping plate 9 is arranged in the opening of the U-shaped fixing piece 8, and two threaded holes are symmetrically opened on the U-shaped fixing piece 8, and fixing bolts 10 are respectively penetrated in the two threaded holes, and the bottom ends of the two fixing bolts 10 are rotatably installed on the clamping plate 9, an L-shaped hollow shaft 11 is installed under the U-shaped fixing piece 8 of one group of the flipping assemblies, and an L-shaped connecting rod 12 is installed under the U-shaped fixing piece 8 of the other group of the flipping assemblies, and the horizontal sections of the L-shaped hollow shaft 11 and the L-shaped connecting rod 12 are located on the same horizontal line, and the horizontal section of the L-shaped connecting rod 12 penetrates the L-shaped hollow shaft 11. In the horizontal section, the side of the L-shaped connecting rod 12 is horizontally arranged with pin holes 13, the end of the horizontal section of the L-shaped hollow shaft 11 is penetrated with a through groove, and a latch bolt 14 is penetrated in the through groove, and the other end of the latch bolt 14 penetrates the through groove at the end of the L-shaped hollow shaft 11 and the pin hole 13 at the same time, and a nut 15 is provided. A No. 2 motor 17 is installed on the connecting beam 6 in one group of flip assemblies through a fixing piece, and a drive shaft 18 is installed on the output shaft of the No. 2 motor 17, and the side curved surface of the drive shaft 18 intersects with one of the limit rods 3. A shot blasting launcher 26 is arranged on the top of the shot blasting bin 2, and is located above the two limit rods 3. A No. 1 motor is installed on the other end of the rotating shaft 7 in one group of flip assemblies. 16, the two limit rods 3 are parallel to each other, and the limit rods 3 are horizontally arranged, the connecting beam 6 and the limit rod 3 are perpendicular to each other, the U-shaped fixing piece 8 and the connecting beam 6 are parallel to each other, the No. 1 motor 16 is installed on the connecting beam 6 through a fixing piece, the No. 1 motor 16 is located on the outside of the two groups of flip assemblies, and a limit disk is installed on the other end of the rotating shaft 7 in the other group of flip assemblies, the U-shaped fixing piece 8 is located on the inside of the two limit rods 3, the fixing bolt 10 and the clamping plate 9 are perpendicular to each other, the L-shaped hollow shaft 11 and the horizontal section of the L-shaped connecting rod 12 are perpendicular to each other and the U-shaped fixing piece 8, and are parallel to the limit rod 3, and the No. 1 motor 16, the No. 2 motor 17 and the outside of the drive shaft 18 are all provided with a protective shell.

[0025] During operation, since the existing shot blasting machine cannot automatically turn over the workpiece during the processing, multiple processing is required, resulting in low rust removal and strengthening efficiency and slow processing speed. In this solution, the workpiece is placed between the two U-shaped fixings 8 in the two sets of flipping assemblies, and the workpiece connecting sections are respectively located under the clamping plates 9, and then the two fixing bolts 10 in the two sets of flipping assemblies are rotated. When the two fixing bolts 10 rotate, the clamping plates 9 will move downward in the openings of the U-shaped fixings 8, and when the clamping plates 9 move downward, the end of the workpiece will be fixed in the opening of the U-shaped fixings 8, so that the workpiece is fixed between the two sets of flipping assemblies, and then the No. 2 motor 17 is controlled to operate. When the No. 2 motor 17 operates, it will drive the drive shaft 18 to rotate, and the No. 2 motor 17 is installed on the connecting beam 6, so that the drive shaft 18 can be driven to rotate. When the moving shaft 18 rotates, it will drive the workpiece through the opening on the side of the shot blasting bin 2 to move into the shot blasting bin 2 through one of the flipping components, and make the workpiece located under the shot blasting launcher 26, and then control the shot blasting conveying device 28 to operate. When the shot blasting conveying device 28 is in operation, the projectiles located at the bottom of the shot blasting bin 2 will be transported to the shot blasting launcher 26, and will be projected onto the surface of the workpiece located thereunder through the shot blasting launcher 26, and at the same time, the No. 1 motor 16 is controlled to operate. When the No. 1 motor 16 is in operation, it will drive the workpiece to flip between the two connecting beams 6 through the two rotating shafts 7, and then flip the workpiece under the shot blasting launcher 26, so as to achieve the effect of automatic flipping during shot blasting cleaning. Compared with the traditional shot blasting machine, the rust removal and strengthening efficiency is higher, the cleaning and slag removal effect is more comprehensive, and the use convenience of the shot blasting machine is effectively improved.

[0026] See also Figure 1-2 As shown, a U-shaped sieve plate 25 is installed in the opening of the bottom plate 1, and the U-shaped sieve plate 25 is located below the two limit rods 3, two vertical poles 19 are symmetrically installed on the bottom plate 1 on both sides of the shot blasting bin 2, and sliding sleeves 20 are respectively slidably sleeved on the two vertical poles 19, and a closing plate 21 for blocking the side opening of the shot blasting bin 2 is commonly installed on the inner side of the two sliding sleeves 20, and baffles 22 are respectively installed on the top of the two vertical poles 19, and two hydraulic telescopic rods 23 are symmetrically installed on the bottom plate 1 on both sides of the shot blasting bin 2, and the hydraulic telescopic rods 23 are parallel to the vertical poles 19, and the tops of the two hydraulic telescopic rods 23 are respectively connected to the two sliding sleeves 20 through fixed plates 24, and a conveying pipe 27 is installed on the shot blasting launcher 26, and the other end of the conveying pipe 27 is connected to the bottom of the shot blasting bin 2, and a shot blasting conveying device 28 is installed on the conveying pipe 27.

[0027] During operation, in order to ensure the normal use of the shot blasting machine in this scheme and improve its stability in use, in this scheme, the two hydraulic telescopic rods 23 are controlled to retract. When the hydraulic telescopic rods 23 retract, the two sliding sleeves 20 are driven to move downward through the fixed plate 24, and then the closing plate 21 is driven to move downward through the two sliding sleeves 20. When the closing plate 21 moves downward, it will block the side opening of the shot blasting bin 2, and the projectiles projected on the surface of the workpiece will pass through the U-shaped sieve plate 25 and leak to the bottom of the shot blasting bin 2, and the projectiles falling on the bottom of the shot blasting bin 2 will be transported by the shot blasting conveying equipment 28 to the shot blasting launcher 26 again, so as to achieve the effect of sealing during shot blasting, realize the effect of shot blasting recycling, and effectively improve the convenience of use of the shot blasting machine.

[0028] Working principle: by placing the workpiece between the two U-shaped fixings 8 in the two groups of flipping assemblies, and making the workpiece connecting sections respectively located under the clamping plates 9, then rotating the two fixing bolts 10 in the two groups of flipping assemblies, the two fixing bolts 10 will drive the clamping plates 9 to move downward in the openings of the U-shaped fixings 8, and when the clamping plates 9 move downward, the end of the workpiece will be fixed in the openings of the U-shaped fixings 8, so as to fix the workpiece between the two groups of flipping assemblies, and then controlling the No. 2 motor 17 to operate, the No. 2 motor 17 will drive the driving shaft 18 to rotate when it is running, and the No. 2 motor 17 is installed on the connecting beam 6, so that when the driving shaft 18 rotates, it will drive the workpiece through one of the groups of flipping assemblies through the shot blasting bin 2 side The opening of the surface is moved into the shot blasting bin 2, and the workpiece is located under the shot blasting launcher 26, and then the shot blasting conveying device 28 is controlled to operate. When the shot blasting conveying device 28 is in operation, the projectiles located at the bottom of the shot blasting bin 2 are transported to the shot blasting launcher 26, and are projected onto the surface of the workpiece located thereunder through the shot blasting launcher 26, and at the same time, the No. 1 motor 16 is controlled to operate. When the No. 1 motor 16 is in operation, it drives the workpiece to flip between the two connecting beams 6 through the two rotating shafts 7, and then the workpiece is flipped under the shot blasting launcher 26, so as to achieve the effect of automatic flipping during shot blasting cleaning. Compared with the traditional shot blasting machine, the rust removal and strengthening efficiency is higher, the cleaning and slag removal effect is more comprehensive, and the use convenience of the shot blasting machine is effectively improved.

[0029] By controlling the two hydraulic telescopic rods 23 to retract, the hydraulic telescopic rods 23 will drive the two sliding sleeves 20 to move downward through the fixed plate 24 when they retract, and then drive the closing plate 21 to move downward through the two sliding sleeves 20. When the closing plate 21 moves downward, it will block the side opening of the shot blasting bin 2, and the projectiles projected on the surface of the workpiece will pass through the U-shaped sieve plate 25 and leak to the bottom of the shot blasting bin 2, and the projectiles falling on the bottom of the shot blasting bin 2 will be transported by the shot blasting conveying equipment 28 to the shot blasting launcher 26 again, so as to achieve the effect of sealing during shot blasting, realize the effect of shot blasting recycling, and effectively improve the convenience of using the shot blasting machine.

[0030] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and 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, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. An automatic flipping shot blasting machine, characterized in that: The invention comprises a bottom plate (1); a shot blasting bin (2) is installed on the bottom plate (1); an opening is arranged on the side of the shot blasting bin (2); an L-shaped support plate (4) is installed at the lower part of the opening of the shot blasting bin (2); two limit rods (3) are symmetrically installed on the inner wall of the bottom plate (1); the other ends of the two limit rods (3) pass through the opening on the side of the shot blasting bin (2) and are installed on the side wall of the L-shaped support plate (4); two groups of flipping assemblies are arranged in a mirror image on the two L-shaped support plates (4); the flipping assemblies comprise two sliding sleeves (5), and the two sliding sleeves (5) are respectively slidably sleeved on the two limit rods (3); ), a connecting beam (6) is installed between the two sliding sleeves (5), a hole is penetrated through the side of the connecting beam (6), a rotating shaft (7) is penetrated through the hole, a U-shaped fixing piece (8) is installed at the end of the rotating shaft (7), and the openings of the U-shaped fixing pieces (8) in the two groups of the flipping assemblies are symmetrically arranged inwardly, a clamping plate (9) is arranged in the opening of the U-shaped fixing piece (8), two threaded holes are symmetrically opened on the U-shaped fixing piece (8), and fixing bolts (10) are respectively penetrated through the two threaded holes, and the bottom ends of the two fixing bolts (10) are rotatably mounted on the clamping plate (9) An L-shaped hollow shaft (11) is installed under the U-shaped fixing piece (8) of one set of flip assemblies, and an L-shaped connecting rod (12) is installed under the U-shaped fixing piece (8) of the other set of flip assemblies, and the horizontal sections of the L-shaped hollow shaft (11) and the L-shaped connecting rod (12) are located on the same horizontal line, and the horizontal section of the L-shaped connecting rod (12) is penetrated and arranged in the horizontal section of the L-shaped hollow shaft (11), and the side of the L-shaped connecting rod (12) is provided with pin holes (13) arranged horizontally, and a through slot is penetrated and opened at the end of the horizontal section of the L-shaped hollow shaft (11), and a latch bolt (14) is penetrated and arranged in the through slot, and the latch bolt (14) is inserted into the through slot, and the latch bolt (14) is inserted into the through slot. The other end of the pin bolt (14) penetrates through the through slot and the pin hole (13) at the end of the L-shaped hollow shaft (11) and is provided with a nut (15); a second motor (17) is installed on the connecting beam (6) in one set of the flipping components through a fixing member; a driving shaft (18) is installed on the output shaft of the second motor (17); and a side curved surface of the driving shaft (18) intersects with one of the limit rods (3); a shot blasting launcher (26) is provided at the top of the shot blasting bin (2) and is located above the two limit rods (3); and a first motor (16) is installed on the other end of the rotating shaft (7) in one set of the flipping components.

2. The automatic flipping shot blasting machine according to claim 1, characterized in that: The two limiting rods (3) are parallel to each other, and the limiting rods (3) are arranged horizontally, the connecting beam (6) and the limiting rods (3) are perpendicular to each other, and the U-shaped fixing member (8) and the connecting beam (6) are parallel to each other.

3. The automatic flipping shot blasting machine according to claim 1, characterized in that: The first motor (16) is mounted on the connecting beam (6) via a fixing member. The first motor (16) is located outside the two groups of flip assemblies. A limiting disk is mounted on the other end of the rotating shaft (7) in the other group of flip assemblies.

4. The automatic flipping shot blasting machine according to claim 1, characterized in that: The U-shaped fixing member (8) is located inside the two limiting rods (3), the fixing bolt (10) and the clamping plate (9) are perpendicular to each other, the horizontal sections of the L-shaped hollow shaft (11) and the L-shaped connecting rod (12) are perpendicular to each other and the U-shaped fixing member (8) and are parallel to the limiting rods (3), and protective shells are arranged on the outsides of the No. 1 motor (16), the No. 2 motor (17) and the driving shaft (18).

5. The automatic flipping shot blasting machine according to claim 1, characterized in that: A U-shaped screen plate (25) is installed in the opening of the bottom plate (1), and the U-shaped screen plate (25) is located below the two limit rods (3). Two vertical rods (19) are symmetrically installed on the bottom plate (1) and located on both sides of the shot blasting bin (2). Sliding sleeves (20) are slidably sleeved on the two vertical rods (19), and a closing plate (21) for sealing the side opening of the shot blasting bin (2) is installed on the inner side of the two sliding sleeves (20).

6. The automatic flipping shot blasting machine according to claim 5, characterized in that: Baffles (22) are respectively installed at the top ends of the two vertical poles (19); two hydraulic telescopic rods (23) are symmetrically installed on the bottom plate (1) at both sides of the shot blasting bin (2); the hydraulic telescopic rods (23) and the vertical poles (19) are parallel to each other; the top ends of the two hydraulic telescopic rods (23) are respectively connected to two sliding sleeves (20) through fixing plates (24); a conveying pipe (27) is installed on the shot blasting launcher (26); the other end of the conveying pipe (27) is connected to the bottom of the shot blasting bin (2); and a shot blasting conveying device (28) is installed on the conveying pipe (27).

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