A drive axle shot blasting cleaning machine

Abstract

The present invention discloses a drive axle shot blasting cleaning machine, including a supporting surface, a feeding device, a feeding device shot blasting chamber, a left sealed chamber, a right sealed chamber, and a shield conveying catenary, wherein the shot blasting chamber is arranged in the middle position of the supporting surface, the left sealed chamber is arranged on the left side of the shot blasting chamber, the right sealed chamber is arranged on the right side of the shot blasting chamber, and the feeding device is arranged on the left side of the left sealed chamber. In the present invention, the feeding and unloading truss manipulator, the feeding and unloading trolley, and the manipulator clamping mechanism cooperate with each other to realize the automation of loading and unloading of workpieces, and at the same time, the manipulator clamping mechanism supports the workpiece to realize 360° free rotation in the shot blasting chamber, so that the steel shot received by the workpiece is more uniform, effectively eliminating the welding stress generated by the previous process of the workpiece, and greatly improving the quality stability and service life of the product.

Description

Technical Field

[0001] The invention belongs to the field of shot blasting cleaning, in particular to a drive axle shot blasting cleaning machine. Background Art

[0002] After the hot forged drive axle is formed, it is necessary to weld bolt connectors, bridge shells and other accessories. After welding, it is necessary to clean the welding marks and eliminate welding stress. The shot peening process can achieve better results, but the loading and unloading is done manually, which is inefficient and labor-intensive. The workpiece rotation mechanism is complex and has poor stability during shot peening. Summary of the invention

[0003] The purpose of the present invention is to solve the shortcomings of the existing shot blasting machine, which adopts manual operation for loading and unloading, has low efficiency, high labor intensity, and complex structure and poor stability of the workpiece rotating mechanism during shot blasting, and proposes a drive axle shot blasting cleaning machine and its use method.

[0004] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a drive axle shot blasting cleaning machine, comprising a supporting surface, a feeding device, a feeding device, a shot blasting chamber, a left sealed chamber, a right sealed chamber, and a shield conveying catenary, wherein the shot blasting chamber is arranged in the middle position of the supporting surface, the left sealed chamber is arranged on the left side of the shot blasting chamber, and the right sealed chamber is arranged on the right side of the shot blasting chamber, the feeding device is arranged on the left side of the left sealed chamber, and the feeding device is arranged on the right side of the right sealed chamber, the lower end of the shot blasting chamber is located at the depression of the supporting surface and a lower hopper of the shot blasting chamber is arranged, a lower screw conveyor is arranged below the lower hopper of the shot blasting chamber, and the shield conveying catenary is arranged behind the feeding device, the feeding device, the shot blasting chamber, the shot blasting chamber, the left sealed chamber, and the right sealed chamber.

[0005] As a further description of the above technical solution:

[0006] The feeding device comprises a feeding support frame, a feeding truss manipulator is arranged on the feeding support frame, a feeding platform is arranged below the feeding support frame and on the left side of the left sealing chamber, and a guardrail is arranged on the periphery of the feeding platform.

[0007] As a further description of the above technical solution:

[0008] The unloading device comprises an unloading support frame, on which an unloading truss manipulator is arranged, and below the unloading support frame, an unloading platform is arranged on the right side of the right sealing chamber, and a guardrail is arranged on the periphery of the unloading platform.

[0009] As a further description of the above technical solution:

[0010] A trolley track is arranged on the supporting surface between the left sealing chamber and the feeding device, and a feeding trolley is arranged on the trolley track.

[0011] As a further description of the above technical solution:

[0012] A trolley track is arranged on the supporting surface between the right sealing chamber and the unloading device, and a unloading trolley is arranged on the trolley track.

[0013] As a further description of the above technical solution:

[0014] A sealing chamber lifting door mechanism is provided on one side of the left sealing chamber and the right sealing chamber, and a shot blasting chamber lifting door mechanism is provided at the inlet and the outlet of the shot blasting chamber.

[0015] As a further description of the above technical solution:

[0016] A slag-shot separator is arranged at the upper end of the shot blasting chamber, and a hoist platform and a shot control system are arranged at both sides below the slag-shot separator.

[0017] As a further description of the above technical solution:

[0018] A plurality of manipulator clamping mechanisms are arranged at the inner bottom end of the shot blasting chamber, and a high-power direct-connected shot blasting machine is arranged at the upper end of the plurality of manipulator clamping mechanisms. A bucket elevator is arranged at the inner right side of the shot blasting chamber.

[0019] As a further description of the above technical solution:

[0020] A plurality of hydraulic systems are arranged on the upper outer side of the shot blasting chamber, an electrical control system is arranged on one side of the upper end of the support surface, and a pneumatic control system is arranged on one side of the left sealing chamber and the right sealing chamber.

[0021] As a further description of the above technical solution:

[0022] A disassembly workpiece protection device is provided on one side below the loading device and the unloading device, a shot blowing device is provided on the upper end of a plurality of the disassembly workpiece protection devices, and a laser marking device is provided on one side of a plurality of the disassembly workpiece protection devices.

[0023] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0024] In the present invention, the loading and unloading truss manipulator, the loading and unloading trolley, and the manipulator clamping mechanism cooperate with each other to realize the automation of loading and unloading of workpieces. At the same time, the manipulator clamping mechanism supports the workpiece to realize 360° free rotation in the shot blasting chamber, so that the steel shot received by the workpiece is more uniform, effectively eliminating the welding stress generated by the previous process of the workpiece, and greatly improving the quality stability and service life of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a front view of the device of the present invention;

[0026] Figure 2 A top view of the device of the present invention;

[0027] Figure 3 This is a schematic diagram of the manipulator clamping mechanism of the present invention holding a workpiece.

[0028] Legend:

[0029] 1. Loading truss manipulator; 2. Loading platform; 3. Guard conveying catenary; 4. Loading trolley; 5. Sealing chamber lifting door mechanism; 6. Shot blasting chamber lifting door mechanism; 7. Elevator platform; 8. Slag shot separator; 9. Shot control system; 10. Bucket elevator; 11. Manipulator clamping mechanism; 12. High-power direct-connected shot blasting machine; 13. Shot blasting chamber; 14. Lower hopper of shot blasting chamber; 15. Lower screw conveyor; 16. Hydraulic system; 17. Workpiece disassembly and assembly protection device; 18. Shot blowing device; 19. Guardrail; 20. Left sealing chamber; 21. Right sealing chamber; 22. Trolley track; 23. Unloading trolley; 24. Unloading platform; 25. Laser marking device; 26. Unloading truss manipulator; 27. Pneumatic control system; 28. Electrical control system. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] Reference Figure 1-3A drive axle shot blasting cleaning machine includes a supporting surface, a feeding device, a feeding device, a shot blasting chamber 13, a left sealed chamber 20, a right sealed chamber 21, and a shield conveying catenary 3. The shot blasting chamber 13 is arranged in the middle position of the supporting surface, the left sealed chamber 20 is arranged on the left side of the shot blasting chamber 13, and the right sealed chamber 21 is arranged on the right side of the shot blasting chamber 13. The feeding device is arranged on the left side of the left sealed chamber 20, and the feeding device is arranged on the right side of the right sealed chamber 21. The lower end of the shot blasting chamber 13 is located at the depression of the supporting surface and is provided with a lower hopper 14 of the shot blasting chamber. A lower screw conveyor 15 is arranged below the lower hopper 14 of the shot blasting chamber. The shield conveying catenary 3 is arranged behind the feeding device, the feeding device, the shot blasting chamber 13, the shot blasting chamber 13, the left sealed chamber 20, and the right sealed chamber 21. The shield conveying catenary 3 is used for cyclically transporting the protective components required for the workpiece.

[0032] Furthermore, the loading device includes a loading support frame, on which a loading truss robot 1 is arranged, and a loading platform 2 is arranged below the loading support frame and on the left side of the left sealing chamber 20, and a guardrail 19 is arranged on the periphery of the loading platform 2. The position of the loading truss robot 1 for gripping and holding the workpiece can be adjusted by a servo motor (or stepper motor) to adapt to workpieces of different lengths, and the workpiece support block of the loading platform 2 can be adjusted by a servo motor (or stepper motor) to adapt to workpieces of different lengths.

[0033] Furthermore, the unloading device includes an unloading support frame, on which a unloading truss manipulator 26 is arranged, and a unloading platform 24 is arranged below the unloading support frame and at the right side of the right sealing chamber 21, and a guardrail 19 is arranged on the periphery of the unloading platform 24. The position of the unloading truss manipulator 26 for gripping and holding the workpiece can be adjusted by a servo motor (or a stepper motor) to adapt to workpieces of different lengths, and the workpiece support block of the unloading platform 24 can be adjusted by a servo motor (or a stepper motor) to adapt to workpieces of different lengths.

[0034] Furthermore, a trolley track 22 is provided on the support surface between the left sealing chamber 20 and the feeding device, and a feeding trolley 4 is provided on the trolley track 22 .

[0035] Furthermore, a trolley track 22 is provided on the support surface between the right sealing chamber 21 and the unloading device, and a unloading trolley 23 is provided on the trolley track 22 .

[0036] Furthermore, a sealing chamber lifting door mechanism 5 is provided on one side of the left sealing chamber 20 and the right sealing chamber 21 , and a shot blasting chamber lifting door mechanism 6 is provided at the inlet and the outlet of the shot blasting chamber 13 .

[0037] Furthermore, a slag-shot separator 8 is provided at the upper end of the shot blasting chamber 13, and a hoist platform 7 and a shot control system 9 are provided at both sides below the slag-shot separator 8, respectively.

[0038] Further, a plurality of manipulator clamping mechanisms 11 are provided at the bottom of the shot blasting chamber 13, and a high-power direct-connected shot blasting machine 12 is provided at the upper end of each of the plurality of manipulator clamping mechanisms 11. A bucket elevator 10 is provided on the right side of the shot blasting chamber 13. The manipulator clamping mechanisms 11 (such as Figure 3 As shown in the figure, when the hydraulic cylinder is extended, the front end compression spring opens the gripper, and when the hydraulic cylinder is retracted, the spring closes the gripper to clamp the workpiece. This mechanism relies on the tension of the spring to clamp the workpiece, which is reliable and not prone to failure; at the same time, when the hydraulic cylinder is retracted, it is out of contact with the gripper, and when the gripper rotates while clamping the workpiece, it will not drive the rotation of the hydraulic cylinder, which reduces the difficulty of designing and manufacturing the hydraulic cylinder and extends the service life of the hydraulic cylinder. In order to adapt to different lengths of workpieces, a hydraulic cylinder (including a cylinder, a servo motor, an electric push rod, etc.) with a displacement sensor is provided at the bottom of the manipulator clamping mechanism 11, and the positions of the grippers of the manipulator clamping mechanism 11 on both sides are controlled by the proportional valve of the hydraulic system 16 to adapt to workpieces of different lengths.

[0039] Furthermore, a plurality of hydraulic systems 16 are provided at the upper outer end of the shot blasting chamber 13 , an electrical control system 28 is provided at one side of the upper end of the support surface, and a pneumatic control system 27 is provided at one side of the left sealed chamber 20 and the right sealed chamber 21 .

[0040] Furthermore, a disassembly workpiece protection device 17 is provided on the lower side of the loading device and the unloading device, a shot blowing device 18 is provided on the upper end of each of the multiple disassembly workpiece protection devices 17, and a laser marking device 25 is provided on one side of each of the multiple disassembly workpiece protection devices 17. The laser marking device 25 can mark the workpiece after shot blasting, so as to facilitate information management of the lower process or production scheduling.

[0041] Working principle: The loading truss manipulator 1 grabs the workpiece and places it on the disassembly and assembly workpiece protection device 17, manually seals and protects the lute hole of the drive bridge and the bolt hole that needs to be protected, and then the truss manipulator places the protected workpiece on the loading platform 2, and the loading trolley 4 runs on the trolley track 22 to the lower part of the loading platform 2 to lift the workpiece, and the loading trolley 4 transports the workpiece to the shot blasting room 13, and the electrical control system 28 cooperates with the hydraulic system 16 and the manipulator clamping mechanism 11 to fix the workpiece, and at the same time, the manipulator clamping mechanism 11 holds the workpiece to rotate, and the loading trolley 4 moves to the left sealed chamber 20, the shot blasting chamber lifting door mechanism 6 is closed, the sealing chamber lifting door mechanism 5 is closed, and the shot blaster starts the shot circulation system (the shot circulation system includes The slag shot separator 8, the shot control system 9, the bucket elevator 10, the lower hopper (14) of the shot blasting chamber, and the lower screw conveyor 15) receive the projectiles while the workpiece rotates. After the workpiece is shot blasted, the shot control system 9 is closed, the shot blasting chamber lifting door and the sealing chamber lifting door are opened at the same time, the unloading trolley 23 enters the shot blasting chamber 13 to lift the workpiece, the manipulator clamping mechanism 11 releases and holds the workpiece, the unloading trolley 23 transports the workpiece to the unloading platform 24 and then places it on the upper end thereof, the unloading truss manipulator 26 holds the workpiece and places the workpiece on the disassembly and assembly workpiece protection device 17, and then the protection device is manually disassembled, and the unloading truss manipulator 26 places the workpiece with the protection device removed on the subsequent conveying mechanism or processing equipment.

[0042] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A drive axle shot blasting machine, comprising a support surface, a feeding device, a unloading device, a shot blasting chamber (13), a left sealing chamber (20), a right sealing chamber (21), and a shield conveying catenary (3), characterized in that: The shot blasting chamber (13) is arranged at the middle position of the support surface, the left sealed chamber (20) is arranged on the left side of the shot blasting chamber (13), the right sealed chamber (21) is arranged on the right side of the shot blasting chamber (13), the loading device is arranged on the left side of the left sealed chamber (20), the unloading device is arranged on the right side of the right sealed chamber (21), a lower hopper (14) of the shot blasting chamber is arranged at the lower end of the shot blasting chamber (13) in the depression of the support surface, a lower screw conveyor (15) is arranged below the lower hopper (14) of the shot blasting chamber, and a shield conveying catenary (3) is arranged behind the loading device, the unloading device, the shot blasting chamber (13), the shot blasting chamber (13), the left sealed chamber (20), and the right sealed chamber (21); The loading device comprises a loading support frame, a loading truss manipulator (1) is arranged on the loading support frame, a loading platform (2) is arranged below the loading support frame and on the left side of the left sealing chamber (20), a guardrail (19) is arranged on the periphery of the loading platform (2), the position of the workpiece gripped by the loading truss manipulator (1) can be adjusted by a servo motor or a stepper motor to accommodate workpieces of different lengths, and the workpiece support block of the loading platform (2) can be adjusted by a servo motor or a stepper motor to accommodate workpieces of different lengths; The unloading device comprises an unloading support frame, on which an unloading truss manipulator (26) is arranged, and below the unloading support frame, an unloading platform (24) is arranged at a right side of the right sealing chamber (21), and a guardrail (19) is arranged on the periphery of the unloading platform (24), and the position of the unloading truss manipulator (26) for gripping and clamping the workpiece can be adjusted by a servo motor or a stepper motor to adapt to workpieces of different lengths, and the workpiece support block of the unloading platform (24) can be adjusted by a servo motor or a stepper motor to adapt to workpieces of different lengths; A sealing chamber lifting door mechanism (5) is provided on one side of the left sealing chamber (20) and the right sealing chamber (21), and a shot blasting chamber lifting door mechanism (6) is provided at the inlet and outlet of the shot blasting chamber (13); A plurality of manipulator clamping mechanisms (11) are arranged at the bottom of the shot blasting chamber (13), a high-power direct-connected shot blasting machine (12) is arranged at the upper end of each of the plurality of manipulator clamping mechanisms (11), and a bucket elevator (10) is arranged on the right side of the interior of the shot blasting chamber (13); A disassembly workpiece protection device (17) is provided on one side below the loading device and the unloading device, a plurality of disassembly workpiece protection devices (17) are provided with a shot blowing device (18) at their upper ends, and a laser marking device (25) is provided on one side of the plurality of disassembly workpiece protection devices (17).

2. A drive axle shot blasting machine according to claim 1, characterized in that: A trolley track (22) is provided on the support surface between the left sealed chamber (20) and the loading device, and a loading trolley (4) is provided on the trolley track (22).

3. The drive axle shot blasting machine according to claim 1, characterized in that: A trolley track (22) is provided on the support surface between the right sealing chamber (21) and the material unloading device, and a material unloading trolley (23) is provided on the trolley track (22).

4. The drive axle shot blasting machine according to claim 1, characterized in that: A slag-shot separator (8) is provided at the upper end of the shot blasting chamber (13), and a hoist platform (7) and a shot control system (9) are respectively provided at both sides below the slag-shot separator (8).

5. The drive axle shot blasting machine according to claim 1, characterized in that: A plurality of hydraulic systems (16) are provided at the upper outer end of the shot blasting chamber (13), an electrical control system (28) is provided at one side of the upper end of the support surface, and a pneumatic control system (27) is provided at one side of each of the left sealed chamber (20) and the right sealed chamber (21).

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