Full-automatic sand blasting machine applied to surface treatment of aluminum disc

Abstract

This invention discloses a fully automatic sandblasting machine for aluminum disc surface treatment, comprising a main body; a main turntable is rotatably arranged inside the main body, and multiple workpiece bearing discs are arranged on the main turntable. A fixed clamping plate and a movable clamping plate are slidably arranged on the top of the workpiece bearing discs. A flipping component is arranged inside the top of the movable clamping plate. In use, when the trigger disc moves downward, the trigger disc causes the movable clamping plate to move upward, allowing the flipping component to separate from the top of the inner rod. Then, the flipping component moves towards the aluminum disc to complete the adsorption and fixation. When the bottom end of the movable clamping plate approaches the top of the inner rod and continues to move upward, the flipping component rotates half a turn under the action of the inner rod, realizing the flipping operation of the aluminum disc workpiece, thereby turning out the abrasive in the groove on the surface of the aluminum disc, avoiding the need for separate cleaning of the abrasive in the groove of the aluminum disc later.

Description

Technical Field

[0001] This invention relates to the field of aluminum disc surface treatment technology, specifically a fully automatic sandblasting machine applied to the surface treatment of aluminum discs. Background Technology

[0002] Sandblasting machines are widely used for surface treatment of workpieces. Their main function is to remove impurities, oxide layers, rust, etc. from the surface of workpieces by high-speed jetting of abrasive materials, thereby improving the surface quality and performance of the workpieces.

[0003] Existing sandblasting machines used for surface treatment of aluminum discs have abrasive that tends to get into the grooves during the sandblasting process for round aluminum discs with grooves. After sandblasting, a large amount of abrasive remains in the grooves, which requires manual cleaning, increasing the process cost.

[0004] Therefore, it is necessary to provide a fully automatic sandblasting machine for aluminum disc surface treatment to solve the above-mentioned technical problems. Summary of the Invention

[0005] The purpose of this invention is to provide a fully automatic sandblasting machine for surface treatment of aluminum discs, so as to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a fully automatic sandblasting machine for aluminum disc surface treatment, comprising a main body; a main turntable is rotatably arranged inside the main body, and multiple sets of workpiece bearing discs are arranged on the main turntable; a fixed clamping plate and a movable clamping plate are slidably arranged on the top of the workpiece bearing disc; a centrifugal assembly is slidably arranged on the bottom of the workpiece bearing disc; a flipping assembly is arranged inside the top of the movable clamping plate; an inner rod is slidably arranged inside the movable clamping plate; the inner rod is slidably connected to the workpiece bearing disc; a trigger disc is elastically arranged at the bottom of the workpiece bearing disc; and the top of the inner rod is limitedly engaged with the flipping assembly.

[0007] When the centrifugal assembly rotates on the workpiece carrier plate, it is subjected to centrifugal force and moves towards the periphery of the workpiece carrier plate, thereby driving the fixed clamping plate and the movable clamping plate to move and achieve workpiece clamping.

[0008] When the trigger plate moves down, it drives the movable clamping plate to move up, causing the flipping component to pick up the workpiece and flip it half a turn to pour out the abrasive in the groove.

[0009] As a further aspect of the present invention: a sandblasting baffle is mounted on the front of the main body of the equipment, and the sandblasting baffle is provided with a discharge port and a feed port. The bottom of the workpiece bearing plate is mounted on the top of the main turntable via a rotating shaft. The top of the workpiece bearing plate is provided with a sliding groove that corresponds to and is slidably adapted to the fixed clamping plate and the movable clamping plate.

[0010] As a further aspect of the present invention: the flipping assembly includes an adsorption element; a fixed seat is rotatably provided at the end of the adsorption element, the fixed seat and the adsorption element are slidably embedded in the top end of the movable clamping plate, and a spring is provided between the end of the fixed seat away from the adsorption element and the movable clamping plate.

[0011] As a further aspect of the present invention: an exhaust pipe is fixedly arranged on the periphery of the fixed base, the exhaust pipe is connected to the fixed base, a sealing member is slidably arranged inside the exhaust pipe, a spring is arranged between the top of the sealing member and the inner wall of the fixed base, the bottom of the sealing member is a semi-circular structure, the top of the sealing member is a square structure with a size larger than the opening of the exhaust pipe, and a through hole is provided between the square structure and the semi-circular structure of the sealing member.

[0012] As a further aspect of the present invention: a right-angled trapezoidal top block is fixedly provided on the top of the inner rod; when the bottom of the sealing member is in contact with the top of the inner rod, the exhaust pipe is connected to the fixed seat; when the sealing member is separated from the inner rod, the passage between the exhaust pipe and the fixed seat is blocked.

[0013] As a further aspect of the present invention: the outer sidewall of the adsorption member is provided with a semi-circular toothed groove, the inner sidewall of the movable clamping plate is elastically connected with a rack, the rack meshes with the toothed groove, the sidewall of the inner rod is provided with a strip-shaped groove corresponding to the rack, the bottom end of the rack is provided with a protrusion that slides and adapts to the strip-shaped groove, when the movable clamping plate and the inner rod move relative to each other to the maximum distance, the strip-shaped groove drives the rack to move down through the protrusion, thereby driving the adsorption member to rotate half a revolution.

[0014] As a further embodiment of the present invention: positioning posts are fixedly provided at the top of both sides of the inner rod, and first traction ropes are provided inside both sides of the inner rod. One end of the first traction rope is fixedly connected to the top of the trigger plate, and the other end of the first traction rope away from the trigger plate passes around the positioning posts and is fixedly connected to the bottom of the inner wall of the movable clamping plate.

[0015] As a further aspect of the present invention: a positioning rod is symmetrically arranged at the bottom of the workpiece bearing plate along the center, and the positioning rod slides through the side wall of the trigger plate.

[0016] As a further aspect of the present invention: a fixing plate is fixedly provided on the side wall of the sandblasting baffle relative to the main body of the equipment, and a connecting plate is fixedly provided on the end of the fixing plate away from the sandblasting baffle by bolts, and an arc-shaped strip is fixedly provided on the end of the connecting plate away from the fixing plate.

[0017] As a further embodiment of the present invention: the centrifugal assembly includes a counterweight; the counterweight is slidably disposed at the bottom of the workpiece bearing plate and is slidably connected to the slide groove; a second traction rope is fixedly disposed at the top of the counterweight; a crossbar is fixedly disposed at one end of the slide groove away from the fixed clamping plate or the movable clamping plate; the crossbar is disposed above the counterweight; and the end of the second traction rope away from the counterweight passes around the crossbar and is fixedly connected to the bottom end of the movable clamping plate or the inner rod.

[0018] Compared with the prior art, the beneficial effects of the present invention are as follows: When in use, when the trigger plate moves downward, the trigger plate causes the movable clamping plate to move upward, allowing the flipping component to separate from the top of the inner rod. Then, the flipping component moves towards the aluminum disk to complete the adsorption and fixation. When the bottom end of the movable clamping plate approaches the top end of the inner rod and continues to move upward, the flipping component rotates half a turn under the action of the inner rod, realizing the flipping operation of the aluminum disk workpiece, thereby turning out the abrasive in the groove on the surface of the aluminum disk, avoiding the need for separate cleaning of the abrasive in the groove of the aluminum disk later. Attached Figure Description

[0019] Figure 1 This is a frontal three-dimensional structural diagram of the present invention.

[0020] Figure 2 This is a schematic diagram of the main turntable in this invention.

[0021] Figure 3 This is a schematic diagram of the structure of the fixed clamping plate and the movable clamping plate in this invention.

[0022] Figure 4 This is a schematic diagram of the counterweight block in this invention.

[0023] Figure 5 This is a schematic diagram of the adsorption element in this invention.

[0024] Figure 6 This is a schematic diagram of the tooth groove and toothed rack in this invention.

[0025] Figure 7 This is a schematic diagram of the structure of the first traction rope in this invention.

[0026] Figure 8 For the present invention Figure 7 A schematic diagram of the structure at point A in the middle.

[0027] Figure 9 This is a schematic diagram of the trigger disk structure in this invention.

[0028] Figure 10 This is a schematic diagram of the arc-shaped strip in this invention.

[0029] In the diagram: 1. Main body of the equipment; 2. Sandblasting baffle; 3. Discharge port; 301. Feed port; 4. Workpiece bearing plate; 5. Main turntable; 6. Fixed clamping plate; 7. Movable clamping plate; 8. Slide groove; 9. Adsorption component; 10. Positioning rod; 11. Trigger plate; 12. Rotating shaft; 13. Counterweight block; 14. Inner rod; 15. Fixed seat; 16. Exhaust pipe; 17. Sealing component; 18. Top block; 19. Gear groove; 20. Rack; 21. First traction rope; 22. Strip groove; 23. Second traction rope; 24. Arc strip; 25. Connecting plate; 26. Fixed plate. Detailed Implementation

[0030] Please see Figures 1-10 In this embodiment of the invention, a fully automatic sandblasting machine for aluminum disc surface treatment includes a main body 1. A sandblasting partition 2 is mounted on the front of the main body 1, which separates the interior and exterior of the main body 1. The interior of the main body 1 is the sandblasting area, and the exterior of the sandblasting partition 2 is the workpiece loading and unloading area. A main turntable 5 is rotatably arranged inside the main body 1. Multiple workpiece bearing plates 4 are arranged in a circular array on the main turntable 5. The bottom of the workpiece bearing plates 4 is mounted on the top of the main turntable 5 through a rotating shaft 12. A discharge port 3 and a feed port 301 are symmetrically arranged along the center of the sandblasting partition 2.

[0031] When sandblasting aluminum disc workpieces, the workpiece to be sandblasted is placed on the corresponding set of workpiece bearing trays 4 through the loading and unloading area. Then, the main turntable 5 is started to rotate. The rotation of the main turntable 5 causes the workpiece to enter the sandblasting area inside the main body 1 of the equipment through the feed port 301 for sandblasting. After the treatment is completed, the workpiece returns to the loading and unloading area through the discharge port 3 under the rotation of the main turntable 5, and can then be removed.

[0032] It should be noted that the main body 1 of the equipment is equipped with a sandblasting unit for surface treatment of aluminum discs and a collection unit for recycling abrasive. The main body 1 of the equipment is also equipped with a drive unit that drives the rotating shaft 12 to rotate on the main turntable 5. The sandblasting unit, collection unit and drive unit mentioned above are all existing technologies, and their related structures and working principles will not be described in detail here.

[0033] When surface-treating aluminum discs, especially circular aluminum discs with grooves, the abrasive is propelled into the grooves by the impact force of the spray gun during sandblasting. After sandblasting, a large amount of abrasive remains in the grooves, requiring cleaning, which presents certain limitations. Preferably, the top of the workpiece bearing disc 4 is slidably equipped with a fixed clamping plate 6 and a movable clamping plate 7, both symmetrically arranged around the center of the workpiece bearing disc 4. Multiple sets of fixed clamping plates 6 and movable clamping plates 7 are arranged in a cross-shaped structure. The top of the workpiece bearing disc 4 is equipped with... There is a sliding groove 8 that corresponds to and is adapted to the fixed clamping plate 6 and the movable clamping plate 7. A centrifugal assembly is slidably arranged at the bottom of the workpiece bearing plate 4. The centrifugal assemblies are arranged in a circular array along the center of the workpiece bearing plate 4, and the number and position of the centrifugal assemblies correspond one-to-one with the number and position of the fixed clamping plate 6 and the movable clamping plate 7. When the workpiece bearing plate 4 rotates, the centrifugal assembly moves towards the outer periphery of the workpiece bearing plate 4 under the action of centrifugal force. The movement of the centrifugal assembly drives the fixed clamping plate 6 and the movable clamping plate 7 to move in the direction of the centrifugal assembly within the sliding groove 8, thereby achieving the clamping and positioning of the workpiece.

[0034] Please see Figures 1-5 Preferably, a flipping component is provided at the top of the movable clamping plate 7, and an inner rod 14 is slidably provided inside the movable clamping plate 7. The inner rod 14 is slidably connected to the workpiece bearing plate 4, and a trigger plate 11 is elastically provided at the bottom of the workpiece bearing plate 4. The top of the inner rod 14 is limited to the flipping component. When the trigger plate 11 moves downward, it causes the movable clamping plate 7 to move upward, separating the flipping component from the top of the inner rod 14. Then, the flipping component moves towards the aluminum plate to complete the adsorption and fixation. When the bottom of the movable clamping plate 7 approaches the top of the inner rod 14 and continues to move upward, the flipping component rotates half a turn under the action of the inner rod 14 to flip the workpiece on the aluminum plate, thereby turning out the abrasive in the groove on the surface of the aluminum plate and avoiding the need for separate cleaning of the abrasive in the groove of the aluminum plate later.

[0035] In actual use, the bottom ends of the fixed clamping plate 6 and the inner rod 14 are elastically connected to the side wall of the workpiece bearing plate 4 through elastic elements. In the initial state, the fixed clamping plate 6 and the inner rod 14 are both located in the slide groove 8 near the periphery of the workpiece bearing plate 4, the centrifugal assembly is close to the rotating shaft 12, the movable clamping plate 7 retracts onto the inner rod 14, the flipping assembly is matched with the top limit of the inner rod 14, and the trigger plate 11 is in contact with the bottom of the workpiece bearing plate 4. When sandblasting the aluminum disc workpiece, the workpiece is placed in the fixed clamping plate 6 and the movable clamping plate 7 on the workpiece bearing plate 4, and then the main turntable 5 is started. The rotation of turntable 5 causes the placed workpiece to move into the sandblasting area inside the main body 1 of the equipment. At this time, the rotation speed of the main turntable 5 is too slow to allow the centrifugal assembly to slide. When a set of rotating shafts 12 enter the main body 1 of the equipment through the feed port 301, the drive unit inside the main body 1 drives the rotating shafts 12 to rotate. The rotation of the rotating shafts 12 causes the workpiece bearing plate 4 to rotate. The rotation of the workpiece bearing plate 4 causes the centrifugal assembly to move towards the periphery of the workpiece bearing plate 4 under the action of centrifugal force, thereby causing the fixed clamping plate 6 and the movable clamping plate 7 to move towards the workpiece, completing the clamping and positioning of the workpiece. Then the main turntable 5... The rotating mechanism transports the clamped workpiece to the sandblasting unit. The fixed clamping plate 6 and the movable clamping plate 7 keep the workpiece stable during surface treatment in the sandblasting unit. After the workpiece surface treatment is completed, the main turntable 5 continues to rotate, causing the workpiece to leave the sandblasting unit. Then, the trigger plate 11 moves downward, causing the movable clamping plate 7 to move upward. During this process, the flipping assembly separates from the top of the inner rod 14 and moves towards the workpiece to complete the adsorption and fixation. Subsequently, the movable clamping plate 7 continues to move upward, and under the action of the flipping assembly, it drives the workpiece upward. When the movable clamping plate 7 and the inner rod 14 move to their maximum distance... Then, the flipping assembly rotates under the action of the inner rod 14 to flip the workpiece. The distance that the movable clamping plate 7 moves relative to the inner rod 14 is sufficient for the workpiece to flip. After the workpiece is flipped, the abrasive in the groove can be poured out without the need for personnel to clean it again. When the main turntable 5 rotates and the flipped workpiece passes through the discharge port 3, it can be directly removed. Of course, the workpiece can also be allowed to re-enter the sandblasting area for sandblasting of its bottom, that is, the bottom of the workpiece that was in contact with the workpiece bearing plate 4 before the workpiece was flipped. This way, when the bottom of the workpiece needs to be sandblasted, there is no need to flip it separately.

[0036] Please see Figures 4-6 Preferably, the flipping assembly includes an adsorption element 9; a fixed seat 15 is rotatably provided at the end of the adsorption element 9, the fixed seat 15 and the adsorption element 9 are slidably embedded in the top end of the movable clamping plate 7, and a spring is provided between the end of the fixed seat 15 away from the adsorption element 9 and the movable clamping plate 7. In use, the adsorption element 9 can move towards the workpiece under the action of the spring between the fixed seat 15 and the movable clamping plate 7, so that the end of the adsorption element 9 can complete the adsorption engagement with the side wall of the workpiece.

[0037] Furthermore, preferably, an exhaust pipe 16 is fixedly provided on the periphery of the fixed base 15, and the exhaust pipe 16 is connected to the fixed base 15. A sealing member 17 is slidably provided inside the exhaust pipe 16. A spring is provided between the top of the sealing member 17 and the inner wall of the fixed base 15. When the bottom of the sealing member 17 is in contact with the top of the inner rod 14, the exhaust pipe 16 and the fixed base 15 are in a connected state. When the inner rod 14 is separated from the sealing member 17, the exhaust pipe 16 and the fixed base 15 are blocked by the sealing member 17. At this time, the adsorption member 9 can move towards the workpiece to complete the adsorption and fixation of it.

[0038] The bottom of the sealing component 17 is a semi-circular structure, and the top of the sealing component 17 is a square structure with a size larger than the opening of the exhaust pipe 16. The sealing component 17 has a through hole between the square structure and the semi-circular structure.

[0039] Furthermore, preferably, a top block 18 is fixedly installed on the top of the inner rod 14. The top block 18 is a right-angled trapezoidal structure. In use, when the movable clamping plate 7 retracts onto the inner rod 14, the bottom end of the top block 18 fits against the side wall of the exhaust pipe 16, thereby limiting the position of the exhaust pipe 16 and the suction component 9. At this time, the bottom end of the sealing component 17 fits against the top end of the inner rod 14, thereby pushing the sealing component 17 upward, allowing the fixed seat 15 to connect with the exhaust pipe 16. When the movable clamping plate 7 moves upward relative to the inner rod 14, the top block 18 separates from the exhaust pipe 16, and then the fixed seat 15 moves upward under the action of the corresponding spring. As the workpiece moves in the direction of movement, the bottom end of the sealing member 17 separates from the end of the inner rod 14, and the sealing member 17 moves downward under the action of the corresponding spring to block the opening of the exhaust pipe 16. The fixed seat 15 moves to push the adsorption member 9 to move and complete the adsorption and fixation of the workpiece. When the movable clamping plate 7 moves downward to reset, the top block 18 will first act to move the sealing member 17 upward to open the opening of the exhaust pipe 16 and keep it connected with the fixed seat 15, so that the adsorption member 9 releases the adsorption and fixation of the workpiece. Finally, under the action of the inclined surface of the top block 18, the exhaust pipe 16 is moved to reset, thereby allowing the fixed seat 15 and the adsorption member 9 to move to reset.

[0040] Please see Figure 6The outer sidewall of the adsorption component 9 is provided with a toothed groove 19, which is half a circumference on the adsorption component 9. A rack 20 is elastically connected to the inner sidewall of the movable clamping plate 7, and the middle section of the rack 20 is provided with an elastic telescopic structure. In the initial state, it is in a relatively extended state. The rack 20 is set on the inner wall of the movable clamping plate 7 away from the fixed seat 15. The rack 20 and the toothed groove 19 mesh with each other. The inner rod 14 has a strip groove 22 corresponding to the rack 20 on its sidewall. A protrusion that slides and adapts to the strip groove 22 is provided on one side of the bottom end of the rack 20. The protrusion is set at the bottom end of the rack 20 and extends into the strip groove 22 (the protrusion is not shown in the figure). In this way, when the movable clamping plate 7 and the inner rod 14 move to the maximum distance relative to each other, the rack 20 can be driven to move downward through the cooperation of the strip groove 22 and the protrusion. Then, the adsorption component 9 is rotated half a circumference through the toothed groove 19, so as to achieve the effect of flipping the workpiece.

[0041] Please see Figure 7 To ensure that the rack 20 moves downward when the movable clamping plate 7 moves the maximum distance relative to the inner rod 14 and moves upward when the movable clamping plate 7 returns to its original position relative to the inner rod 14, preferably, the side wall of the movable clamping plate 7 is provided with an elastic buckle. The end of the elastic buckle has a semi-circular structure. The side wall of the rack 20 is provided with a groove corresponding to the elastic buckle. There are two sets of elastic buckles arranged vertically, and one set of grooves (neither the elastic buckle nor the groove is shown in the figure). Initially, i.e., when the movable clamping plate 7 is in its maximum position... When plate 7 retracts onto inner rod 14, a set of elastic latches and slots fit together to limit the position of rack 20. When movable clamping plate 7 moves upward, the rack 20 is engaged by the slot 22 and the protrusion, causing a set of elastic latches to retract and release the rack 20 from its position. This causes the rack 20 to move to the position of another set of elastic latches, which then completes the limiting of the rack 20. In this way, when movable clamping plate 7 moves back to its original position, the rotation problem that may occur after the workpiece is flipped is avoided.

[0042] Please see Figures 6-8 Preferably, positioning posts are fixedly provided at the top of both sides of the inner rod 14, and first traction ropes 21 are provided on both sides of the inner rod 14. One end of the first traction rope 21 is fixedly connected to the top of the trigger plate 11, and the other end of the first traction rope 21 away from the trigger plate 11 passes around the positioning posts and is fixedly connected to the bottom of the inner wall of the movable clamping plate 7. In actual use, when the trigger plate 11 moves downward, the trigger plate 11 causes the movable clamping plate 7 to move upward relative to the inner rod 14 through the first traction rope 21, thereby achieving the effect of the space required for workpiece flipping. When the trigger plate 11 resets, the movable clamping plate 7 automatically resets under the action of the workpiece and its own gravity.

[0043] Please see Figure 9A positioning rod 10 is symmetrically arranged at the bottom of the workpiece bearing plate 4 along the center. The positioning rod 10 slides through the side wall of the trigger plate 11, and a spring is sleeved around the positioning rod 10. The positioning rod 10 enables the trigger plate 11 to move vertically only at the bottom of the workpiece bearing plate 4, and the spring has an automatic reset effect.

[0044] Please see Figure 10 A fixing plate 26 is fixedly installed on the side wall of the sandblasting baffle 2 relative to the main body 1. A connecting plate 25 is fixedly installed on the end of the fixing plate 26 away from the sandblasting baffle 2 by bolts. An arc-shaped strip 24 is fixedly installed on the end of the connecting plate 25 away from the fixing plate 26. The connection center of the connecting plate 25 and the fixing plate 26 is coaxial with the center of the main turntable 5. The diameter of the trigger plate 11 is larger than the diameter of the workpiece bearing plate 4. The arc-shaped strip 24 is set on the motion trajectory of the trigger plate 11 around the main turntable 5, and the arc-shaped strip 24 is set near the discharge port 3. In use, when the sandblasted aluminum plate moves to the position of the arc-shaped strip 24 under the action of the main turntable 5, the top of the trigger plate 11 slides and fits against the bottom of the arc-shaped strip 24. Then, under the rotation of the main turntable 5, the trigger plate 11 is moved down under the guidance of the arc-shaped strip 24. When the trigger plate 11 passes the arc-shaped strip 24, it will automatically reset.

[0045] It should be noted that when the trigger disk 11 and the arc strip 24 are in contact, the workpiece bearing disk 4 can rotate throughout the entire process, or it can stop rotating after the trigger disk 11 moves down to cause the flipping component to be attracted and fixed to the workpiece.

[0046] The centrifugal assembly includes a counterweight 13; the counterweight 13 is slidably disposed at the bottom of the workpiece bearing plate 4, and is slidably connected to the slide groove 8. A second traction rope 23 is fixedly disposed at the top of the counterweight 13. A crossbar is fixedly disposed at one end of the slide groove 8 away from the fixed clamping plate 6 or the movable clamping plate 7. The crossbar is disposed above the counterweight 13, and the end of the second traction rope 23 away from the counterweight 13 passes around the crossbar and is fixedly connected to the bottom end of the movable clamping plate 7 or the inner rod 14. Thus, during use, both the fixed clamping plate 6 and the inner rod 14 are... The slide is elastically slidably connected to the slide 8. Initially, the fixed clamping plate 6 or the inner rod 14 is located at the end of the slide 8 away from the counterweight block 13 under the elastic action. When the workpiece bearing plate 4 rotates, the counterweight block 13 moves towards the fixed clamping plate 6 or the inner rod 14 under the action of centrifugal force. This causes the fixed clamping plate 6 or the inner rod 14 to move towards the counterweight block 13 through the second traction rope 23, thereby achieving the clamping and positioning of the workpiece. The counterweight on the counterweight block 13 can also be increased or decreased according to the weight of the workpiece to achieve stable clamping of the corresponding workpiece.

Claims

1. A fully automatic sandblasting machine for surface treatment of aluminum discs, comprising a main body; characterized in that, The main body of the equipment is rotatably equipped with a main turntable, and multiple workpiece bearing plates are provided on the main turntable. A fixed clamping plate and a movable clamping plate are slidably provided on the top of the workpiece bearing plate, and a centrifugal assembly is slidably provided on the bottom of the workpiece bearing plate. A flipping assembly is provided inside the top of the movable clamping plate, and an inner rod is slidably provided inside the movable clamping plate. The inner rod is slidably connected to the workpiece bearing plate, and a trigger plate is elastically provided at the bottom of the workpiece bearing plate. The top of the inner rod is limited and cooperates with the flipping assembly. When the centrifugal assembly rotates on the workpiece carrier plate, it is subjected to centrifugal force and moves towards the periphery of the workpiece carrier plate, thereby driving the fixed clamping plate and the movable clamping plate to move and achieve workpiece clamping. When the trigger plate moves down, it drives the movable clamping plate to move up, causing the flipping component to pick up the workpiece and flip it half a turn to pour out the abrasive in the groove.

2. The fully automatic sandblasting machine for aluminum disc surface treatment according to claim 1, characterized in that, The front of the main body of the equipment is equipped with a sandblasting baffle, which has an outlet and an inlet. The bottom of the workpiece bearing plate is mounted on the top of the main turntable via a rotating shaft. The top of the workpiece bearing plate is provided with a sliding groove that corresponds to and is slidably adapted to the fixed clamping plate and the movable clamping plate.

3. The fully automatic sandblasting machine for aluminum disc surface treatment according to claim 1, characterized in that, The flipping assembly includes an adsorption element; a fixed seat is rotatably provided at the end of the adsorption element, and the fixed seat and the adsorption element are slidably embedded in the top of the movable clamping plate, and a spring is provided between the end of the fixed seat away from the adsorption element and the movable clamping plate.

4. The fully automatic sandblasting machine for aluminum disc surface treatment according to claim 3, characterized in that, An exhaust pipe is fixedly installed on the periphery of the fixed base. The exhaust pipe is connected to the fixed base. A sealing member is slidably installed inside the exhaust pipe. A spring is installed between the top of the sealing member and the inner wall of the fixed base. The bottom of the sealing member is a semi-circular structure, and the top of the sealing member is a square structure with a size larger than the opening of the exhaust pipe. A through hole is provided between the square structure and the semi-circular structure of the sealing member.

5. A fully automatic sandblasting machine for surface treatment of aluminum discs according to claim 4, characterized in that, The top of the inner rod is fixedly provided with a right-angled trapezoidal top block. When the bottom of the sealing member is attached to the top of the inner rod, the exhaust pipe is connected to the fixed seat. When the sealing member is separated from the inner rod, the passage between the exhaust pipe and the fixed seat is blocked.

6. The fully automatic sandblasting machine for aluminum disc surface treatment according to claim 4, characterized in that, The outer sidewall of the adsorption element is provided with a semi-circular toothed groove. A rack is elastically connected to the inner sidewall of the movable clamping plate. The rack meshes with the toothed groove. A strip-shaped groove corresponding to the rack is provided on the sidewall of the inner rod. A protrusion that slides and adapts to the strip-shaped groove is provided at the bottom end of the rack. When the movable clamping plate and the inner rod move to the maximum distance relative to each other, the strip-shaped groove drives the rack to move down through the protrusion, thereby causing the adsorption element to rotate half a revolution.

7. The fully automatic sandblasting machine for aluminum disc surface treatment according to claim 1, characterized in that, Positioning posts are fixedly installed at the top of both sides of the inner rod, and first traction ropes are installed inside both sides of the inner rod. One end of the first traction rope is fixedly connected to the top of the trigger plate, and the other end of the first traction rope away from the trigger plate passes around the positioning posts and is fixedly connected to the bottom of the inner wall of the movable clamping plate.

8. The fully automatic sandblasting machine for aluminum disc surface treatment according to claim 1, characterized in that, The bottom of the workpiece bearing plate is symmetrically provided with positioning rods along the center, and the positioning rods slide through the side wall of the trigger plate.

9. A fully automatic sandblasting machine for surface treatment of aluminum discs according to claim 2, characterized in that, A fixing plate is fixedly installed on the side wall of the equipment body relative to the sandblasting baffle. A connecting plate is fixedly installed on the end of the fixing plate away from the sandblasting baffle by bolts. An arc-shaped strip is fixedly installed on the end of the connecting plate away from the fixing plate.

10. A fully automatic sandblasting machine for surface treatment of aluminum discs according to claim 1, characterized in that, The centrifugal assembly includes a counterweight; the counterweight is slidably disposed at the bottom of the workpiece bearing plate and is slidably connected to the slide groove; a second traction rope is fixedly disposed at the top of the counterweight; a crossbar is fixedly disposed at one end of the slide groove away from the fixed clamping plate or the movable clamping plate; the crossbar is disposed above the counterweight; and the end of the second traction rope away from the counterweight passes around the crossbar and is fixedly connected to the bottom end of the movable clamping plate or the inner rod.

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