Adjustable aluminum alloy hub spraying and carrying mechanism

Abstract

The utility model discloses an adjustable aluminum alloy hub spraying and carrying mechanism which comprises a conveying frame, a plurality of connecting blocks are installed at the position of a conveying chain of the conveying frame, vertical rod bodies are installed on the connecting blocks, the tops of the vertical rod bodies extend upwards and are fixedly provided with connecting columns, and hubs to be machined are installed at the tops of the connecting columns. An industrial robot is mounted outside one side of the conveying chain; vertical supporting columns are fixed to the front side and the rear side of the portion, in front of the left side of the industrial robot, of the conveying chain. The size of a conveyed hub can be detected, so that the opening distance between two grabbing rods of the industrial robot is controlled, grabbing of different hubs is met, conveying and grabbing of mixed hubs can be met, meanwhile, all the vertical spray heads can be controlled according to the size of the conveyed hub, and the conveying and grabbing efficiency is improved. The number of the vertical sprayers corresponds to the outer diameter of the hub, and waste is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to wheel hub processing equipment technical field more specifically relates to an adjustable aluminum alloy wheel hub spraying carrying mechanism. BACKGROUND

[0002] In the existing wheel hub spraying process, a plurality of spray heads are generally arranged above the wheel hub conveying equipment in the spraying equipment, and the spray head arrangement is generally set according to the diameter of the largest wheel hub to ensure that the spraying needs of different wheel hubs can be met. However, when small wheel hubs are conveyed, a large amount of coating is wasted during spraying, increasing the cost.

[0003] At the same time, the wheel hubs in the existing wheel hub conveying equipment are generally automatically grabbed and unloaded by industrial robots, and the opening size of the gripper of the industrial robot is adjusted according to the size of the wheel hub. When the size of the conveyed wheel hub changes, manual adjustment must be performed, otherwise the grabbing cannot be realized, affecting processing. Therefore, the opening size of the gripper can only be adjusted after a batch of wheel hubs of the same size are grabbed, and then a subsequent batch of wheel hubs of the same size can be grabbed. The grabbing of mixed conveying wheel hubs cannot be realized. SUMMARY

[0004] The utility model aims at overcoming the defects of the prior art and providing an adjustable aluminum alloy wheel hub spraying carrying mechanism. The size of the conveyed wheel hub can be detected, the opening distance between the two grabbing rods of the industrial robot is controlled, the grabbing of different wheel hubs is met, the conveying and grabbing of mixed wheel hubs can be met, all vertical spray heads can be controlled according to the size of the conveyed wheel hub, the vertical spray heads corresponding to the size of the wheel hub are sprayed, and waste is reduced.

[0005] The utility model solves the technical problem by the following scheme:

[0006] An adjustable aluminum alloy wheel hub spraying carrying mechanism includes a conveying frame, a plurality of connecting blocks are installed at the conveying chain of the conveying frame, a vertical rod body is installed on each connecting block, a connecting column is fixed on the top of the vertical rod body and extends upward, and a wheel hub to be processed is installed at the top of the connecting column; an industrial robot is installed on one side of the conveying chain;

[0007] Vertical support columns are fixed on the front and rear sides of the conveying chain on the left side of the industrial robot, a measurement grating emitting element and a measurement grating detection receiving element are respectively fixed on the inner side walls of the upper parts of the two vertical support columns, and the measurement grating emitting element irradiates infrared rays to the receiving end of the measurement grating detection receiving element.

[0008] The measuring grating emitting member and the measuring grating detecting receiving member are electrically connected with the control host through the electric connecting line, the measuring grating detecting receiving member transmits the detection signal to the control host, the control host processes the signal, the industrial robot is electrically connected with the control host through the signal connecting line, information intercommunication is realized, the control host transmits the control signal to the industrial robot after processing the detection signal of the measuring grating detecting receiving member, and the distance between the two grabbing rods installed at the grabbing end of the industrial robot is adjusted, so that the distance is matched with the outer diameter of the hub between the measuring grating emitting member and the measuring grating detecting receiving member.

[0009] The conveying frame comprises two connecting frames of left and right parts, a rotating shaft is movably connected to the top plate of the connecting frame through a bearing, the top of the rotating shaft extends out of the top surface of the top plate of the connecting frame and is fixed with a transmission sprocket, the conveying chain is tensioned on the two transmission sprockets, a conveying servo motor is fixed in one of the connecting frames, the output shaft of the conveying servo motor is fixedly connected with the bottom end of the corresponding rotating shaft through a shaft coupling, and the rotating shaft is driven to rotate by the conveying servo motor.

[0010] The industrial robot is fixed to the rear ground of the rear chain part of the conveying chain, the spraying protection shell is installed at the front chain part of the conveying chain, the middle part of the top plate of the spraying protection shell is formed with a left-right penetrating through groove, the front chain part of the conveying chain penetrates through the spraying protection shell, and part of the front chain part is located in the spraying protection shell.

[0011] The bottom surface of the front part of the spraying protection shell is fixed with at least one frame body, the bottom surface of the transverse rod of the top part of the frame body is fixed with a vertical column, the bottom surface of the vertical column is fixed with a plurality of outwardly horizontally extending horizontal extension rods, all the horizontal extension rods are uniformly distributed on the bottom end side wall of the vertical column with the center axis of the vertical column as the center, the bottom surface of the horizontal extension rod is fixed with a plurality of vertical nozzles, all the vertical nozzles are uniformly arranged along the length direction of the horizontal extension rod, and the bottom end of the vertical nozzle sprays the hub to be machined.

[0012] The conveying chain at the right side of the spraying protective shell is fixed with vertical supporting columns at the front and back sides, the upper inner side walls of the two vertical supporting columns are respectively fixed with a second measuring grating emitting member and a second measuring grating detecting receiving member, the second measuring grating emitting member irradiates infrared rays to the receiving end of the second measuring grating detecting receiving member, the second measuring grating emitting member and the second measuring grating detecting receiving member are electrically connected with the control host through an electric connecting line, the second measuring grating detecting receiving member sends detection signals to the control host, the control host processes the signals, the control host is electrically connected with the spraying equipment through a signal connecting line, information intercommunication is realized, the control host sends control signals to the spraying equipment after processing the detection signals of the second measuring grating detecting receiving member, the corresponding electromagnetic valves connected with all the vertical nozzles of the spraying equipment are controlled according to the control signals sent by the control host, part or all of the electromagnetic valves are opened according to needs, and spraying is realized.

[0013] The utility model has the advantages of:

[0014] Compared with the prior art, it can detect the size of the hub conveyed, thereby controlling the opening distance between the two grabbing rods of the industrial robot, meeting the grabbing of different hubs, thereby meeting the conveying and grabbing of mixed hubs, and meanwhile, all the vertical nozzles can be controlled according to the size of the hub conveyed, thereby corresponding vertical nozzles are sprayed according to the size of the hub, and waste is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a simple distribution schematic diagram of the utility model;

[0016] Figure 2 is a local structure schematic diagram of the spraying protective shell;

[0017] Figure 3 is a local structure schematic diagram of the industrial robot;

[0018] Figure 4 is a local structure schematic diagram between the two grabbing rods;

[0019] Figure 5 is a local structure schematic diagram between the hub and the second measuring grating emitting member and the second measuring grating detecting receiving member. DETAILED DESCRIPTION

[0020] Embodiment, see as Figures 1 to 5As shown, an adjustable aluminum alloy wheel hub spraying carrying mechanism comprises a conveying frame 10, the conveying frame 10 comprises two connecting frames of left and right parts, a rotating shaft is movably connected on the top plate of the connecting frame through a bearing, the top of the rotating shaft extends out of the top surface of the top plate of the connecting frame and is fixed with a transmission sprocket 15, a conveying chain 11 is tensioned on the two transmission sprockets 15, a conveying servo motor is fixed in one of the connecting frames, the output shaft of the conveying servo motor is fixedly connected with the bottom end of the corresponding rotating shaft through a shaft coupling, and the rotating shaft is driven to rotate by the conveying servo motor.

[0021] A plurality of connecting blocks 12 are installed at the bottom of part of the pin shaft of the conveying chain 11 of the conveying frame 10, a connecting sleeve is fixed on one side wall of the connecting block 12, a vertical rod body 13 is in the connecting sleeve and is movably connected in the connecting sleeve through a bearing, the top of the vertical rod body 13 extends upward and extends out of the top surface of the connecting sleeve, a connecting column 14 is fixed on the top of the vertical rod body 13, and a wheel hub 100 to be machined is installed at the top of the connecting column 14; an industrial robot 20 (a conventional industrial robot such as a six-axis robot can be used) is fixed to the ground behind the rear chain part of the conveying chain 11;

[0022] The front and rear sides of the conveying chain 11 at the left front of the industrial robot 20 are both fixed with vertical support columns 30, a measuring grating emitting element 31 and a measuring grating detection receiving element 32 are respectively fixed on the inner side walls of the upper parts of the two vertical support columns 30, and the measuring grating emitting element 31 irradiates infrared rays to the receiving end of the measuring grating detection receiving element 32.

[0023] The measuring grating emitting element 31 and the measuring grating detection receiving element 32 are electrically connected with a control host computer through an electric connection line, the measuring grating detection receiving element 32 sends a detection signal to the control host computer, the control host computer processes the signal, the industrial robot 20 is electrically connected with the control host computer through a signal connection line to realize information intercommunication, the control host computer sends a control signal to the industrial robot 20 after processing the detection signal of the measuring grating detection receiving element 32, and the distance between the two grabbing rods 21 installed at the grabbing end of the industrial robot 20 is adjusted to match the outer diameter of the wheel hub 100 passing between the measuring grating emitting element 31 and the measuring grating detection receiving element 32.

[0024] Further, the bottom surface of the grabbing end of the industrial robot 20 is fixed with a double-head driving servo motor 22, the end of the two rotating shafts of the double-head driving servo motor 22 is movably connected with a transverse screw rod 23 through a shaft coupling, the transverse screw rod 23 is screwed with a transverse screw sleeve 24, the outer end of the two transverse screw sleeves 24 is respectively fixed with a connecting plate 25, the front end of the connecting plate 25 is fixed with a grabbing rod 21, the front part of the two grabbing rods 21 is movably connected with a plurality of transversely arranged rollers 211, the inner side of the rollers 211 extends out of the inner side of the grabbing rod 21 and corresponds to the middle part of the outer side wall of the rim of the corresponding wheel hub 100.

[0025] The middle part of the left side wall and the right side wall of the grabbing end of the industrial robot 20 is fixed with a transverse plate, the bottom surface of the far end of the two transverse plates is fixed with a vertical baffle, the opposite wall surface of the two vertical baffles is fixed with an elastic protection block, the elastic protection block is opposite to the outer side wall of the corresponding connecting plate 25, the elastic protection block realizes limiting, preventing the distance between the two grabbing rods 21 from being too large.

[0026] Further, the bottom surface of the grabbing end of the industrial robot 20 is fixed with a lower guide connecting block 26, the middle part of the lower guide connecting block 26 is formed with a left-right extending center through hole 27, the opposite wall surface of the two connecting plates 25 is respectively fixed with a guide rod 28, the guide rod 28 is inserted into the guide sleeve 271 fixed on the inner side wall of the center through hole 27, the outer side wall of the guide rod 28 is tightly attached to the inner side wall of the guide sleeve 271.

[0027] Further, the front part of the conveying chain 11 is provided with a spraying protection shell 40, the top plate of the spraying protection shell 40 is formed with a left-right through groove in the middle part, the front part of the conveying chain 11 passes through the spraying protection shell 40, part of which is in the spraying protection shell 40, the corresponding vertical rod body 13 moves along the through groove, and the top part extends out of the top surface of the through groove.

[0028] Further, the bottom surface of the front part of the spraying protection shell 40 is fixed with at least one frame 41, the bottom surface of the transverse rod of the top part of the frame 41 is fixed with a vertical column, the bottom surface of the vertical column is fixed with a plurality of outwardly horizontally extending horizontal extension rods 42, all the horizontal extension rods 42 are evenly distributed on the bottom end side wall of the vertical column with the center axis of the vertical column as the center, the bottom surface of the horizontal extension rod 42 is fixed with a plurality of vertical nozzles 43, all the vertical nozzles 43 are evenly arranged along the length direction of the horizontal extension rod 42, and the bottom end of the vertical nozzle 43 sprays the wheel hub 100 to be processed. The inlet end of all the vertical nozzles 43 is connected to the outlet end of the electromagnetic valve, the inlet end of the electromagnetic valve is connected to the corresponding outlet of the spraying equipment, the spraying equipment is of a conventional structure, which will not be described in detail here, and the inner side wall of one side plate of the spraying protection shell 40 is fixed with a left-right extending rack part, which cooperates with the gear fixed on the bottom part of the vertical rod body 13.

[0029] Further, the vertical support columns 30 are fixed on the front and back sides of the conveying chain 11 at the right side of the spraying protective shell 40, the second measurement grating emitting element 33 and the second measurement grating detecting receiving element 34 are respectively fixed on the upper inner side walls of the two vertical support columns 30, the second measurement grating emitting element 33 irradiates infrared rays to the receiving end of the second measurement grating detecting receiving element 34, the second measurement grating emitting element 33 and the second measurement grating detecting receiving element 34 are electrically connected with the control host through the electric connection line, the second measurement grating detecting receiving element 34 sends the detection signal to the control host, the control host processes the signal, the control host is electrically connected with the spraying equipment through the signal connection line, realizes information intercommunication, the control host sends the control signal to the spraying equipment after processing the detection signal of the second measurement grating detecting receiving element 34, the corresponding electromagnetic valves connected with all the vertical nozzles 43 of the spraying equipment are controlled according to the control signal sent by the control host, part or all of the electromagnetic valves are opened according to the need, and spraying is realized.

[0030] The measurement grating emitting element 31, the measurement grating detecting receiving element 32, the second measurement grating emitting element 33 and the second measurement grating detecting receiving element 34 are all products that can be directly purchased on the market, and will not be described here in detail.

[0031] In use, the hub 100 to be processed is placed on the top of the connecting column 14, the conveying servo motor is operated to drive the conveying chain 11 to move, and the hub 100 moves along with the conveying chain 11, first passes through the second measurement grating emitting element 33 and the second measurement grating detecting receiving element 34, and the second measurement grating detecting receiving element 34 sends the sensing signal to the control host, the control host processes the signal, and the diameter of the hub 100 can be obtained, at this time, the electromagnetic valves of the corresponding vertical nozzles 43 can be controlled to be opened or closed, so that the vertical nozzles 43 corresponding in size to the hub 100 are sprayed, and the electromagnetic valves of the vertical nozzles 43 exceeding the outer diameter of the hub 100 are closed and not sprayed, thereby reducing waste.

[0032] During the spraying process, the gear at the bottom of the vertical rod body 13 below the hub 100 meshes with the rack and moves along the rack, so that the hub 100 rotates, improves the uniformity of spraying, and has good use effect.

[0033] The sprayed wheel hub 100 continues to be conveyed, and when it passes through the measurement grating emitting element 31 and the measurement grating detection receiving element 32, the measurement grating detection receiving element 32 transmits a detection signal to the control host, the control host processes the signal, the industrial robot 20 is electrically connected with the control host through a signal connection line, information intercommunication is realized, and the control host transmits a control signal to the industrial robot 20 after processing the detection signal of the measurement grating detection receiving element 32, the distance between the two grabbing rods 21 installed at the grabbing end of the industrial robot 20 is adjusted, the two grabbing rods 21 are brought close to or away from each other through the operation of the double-head driving servo motor 22, and the outer diameter of the wheel hub 100 passing through the measurement grating emitting element 31 and the measurement grating detection receiving element 32 is matched.

[0034] Then, the wheel hub 100 is placed on the four rollers 211 (two rollers 211 are installed at the front of each grabbing rod 21) of the two grabbing rods 21 through the operation of the industrial robot 20, and is taken out of the connecting column 14, that is, it can be installed on the subsequent drying conveying equipment for subsequent drying operation, the distance between the two grabbing rods 21 can be adjusted according to different wheel hubs 100, so that different wheel hubs 100 can be grabbed at any time, the needs of wheel hub mixed processing (that is, wheel hubs of different diameters can be continuously processed) are met, and moreover, the corresponding electromagnetic valves connected at all vertical nozzles 43 are controlled according to the control signal transmitted by the control host, part or all of the electromagnetic valves are opened according to needs, so that the spraying area can be changed at any time, the top surface of the wheel hub 100 is matched, the vertical nozzles 43 exceeding the diameter of the wheel hub 100 can stop spraying, waste is reduced, energy saving and environmental protection effect is good, and the processing needs of mixed wheel hubs are met.

[0035] Finally, it should be pointed out that the above embodiments are only more representative examples of the present application. Obviously, the present application is not limited to the above embodiments, and many modifications can be made. Any simple modification, equivalent change and modification made according to the technical essence of the present application to the above embodiments should be considered to fall within the protection scope of the present application.

Claims

1. An adjustable aluminum alloy wheel hub spraying and transporting mechanism, comprising a conveyor frame (10), a plurality of connecting blocks (12) being installed at a conveying chain (11) of the conveyor frame (10), a vertical rod (13) being installed on each connecting block (12), a connecting column (14) being fixed to the top of the vertical rod (13) extending upward, and a wheel hub (100) to be processed being installed at the top of the connecting column (14); characterized in that: An industrial robot (20) is installed outside one side of the conveyor chain (11); Vertical support columns (30) are fixed to both the front and rear sides of the conveyor chain (11) at the left front of the industrial robot (20), and a measuring grating transmitter (31) and a measuring grating detection receiver (32) are fixed to the upper inner side walls of the two vertical support columns (30), and the measuring grating transmitter (31) irradiates infrared rays to the receiving end of the measuring grating detection receiver (32); The measuring grating transmitting element (31) and the measuring grating detecting receiving element (32) are electrically connected to the control host through an electrical connection line. The measuring grating detecting receiving element (32) transmits a detection signal to the control host, and the control host processes the signal. The industrial robot (20) is electrically connected to the control host through a signal connection line to realize information exchange. The control host processes the detection signal of the measuring grating detecting receiving element (32) and transmits the control signal to the industrial robot (20). The distance between the two grabbing rods (21) installed at the grabbing end of the industrial robot (20) is adjusted so that it matches the outer diameter of the hub (100) passing between the measuring grating transmitting element (31) and the measuring grating detecting receiving element (32).

2. The adjustable aluminum alloy wheel hub spraying and conveying mechanism according to claim 1, characterized in that: A double-headed driving servo motor (22) is fixed to the bottom surface of the gripping end of the industrial robot (20), and the ends of the two rotating shafts of the double-headed driving servo motor (22) are movably connected to a transverse screw (23) through a coupling, and a transverse screw sleeve (24) is screwed on the transverse screw (23), and the outer ends of the two transverse screw sleeves (24) are respectively fixed with connecting plates (25), and the front ends of the connecting plates (25) are fixed with a gripping rod (21), and the front parts of the two gripping rods (21) are movably connected to a plurality of transversely arranged rollers (211), and the inner sides of the rollers (211) extend out of the inner side of the gripping rod (21) and correspond to the middle part of the outer side wall of the rim of the corresponding wheel hub (100).

3. The adjustable aluminum alloy wheel hub spraying and conveying mechanism according to claim 2, characterized in that: A lower guide connecting block (26) is fixed to the bottom surface of the grasping end of the industrial robot (20), and a central through hole (27) extending left and right is formed in the middle of the lower guide connecting block (26). Guide rods (28) are fixed on the opposite wall surfaces of the two connecting plates (25), and the guide rods (28) are inserted into a guide sleeve (271) fixed on the inner wall of the central through hole (27), and the outer wall of the guide rod (28) is in close contact with the inner wall of the guide sleeve (271).

4. The adjustable aluminum alloy wheel hub spraying and conveying mechanism according to claim 1, characterized in that: The conveying frame (10) comprises two connecting frames, a left frame and a right frame, a rotating shaft is movably connected to the top plate of the connecting frame through a bearing, the top of the rotating shaft extends out of the top surface of the top plate of the connecting frame and is fixed with a transmission sprocket (15), and the conveying chain (11) is tensioned on the two transmission sprockets (15), a conveying servo motor is fixed in one of the connecting frames, and the output shaft of the conveying servo motor is fixedly connected to the bottom end of the corresponding rotating shaft through a coupling, and the rotating shaft is driven to rotate by the conveying servo motor.

5. The adjustable aluminum alloy wheel hub spraying and conveying mechanism according to claim 4, characterized in that: An industrial robot (20) is fixed to the ground behind the rear chain portion of the conveying chain (11), and a spray protection shell (40) is installed at the front chain portion of the conveying chain (11). A through groove running through the middle of the top plate of the spray protection shell (40) is formed. The front chain portion of the conveying chain (11) passes through the spray protection shell (40), and part of it is in the spray protection shell (40). The corresponding vertical rod (13) moves along the through groove, and its top extends out of the top surface of the through groove.

6. The adjustable aluminum alloy wheel hub spraying and conveying mechanism according to claim 5, characterized in that: At least one frame (41) is fixed on the bottom surface of the front portion of the spray protection shell (40), a vertical column is fixed on the bottom surface of the horizontal rod at the top of the frame, a plurality of horizontal extension rods (42) extending horizontally outward are fixed on the bottom surface of the vertical column, all the horizontal extension rods (42) are evenly distributed on the bottom side wall of the vertical column with the central axis of the vertical column as the center, a plurality of vertical spray heads (43) are fixed on the bottom surface of the horizontal extension rod (42), all the vertical spray heads (43) are evenly distributed along the length direction of the horizontal extension rod (42), and the bottom ends of the vertical spray heads (43) spray the wheel hub (100) to be processed.

7. The adjustable aluminum alloy wheel hub spraying and conveying mechanism according to claim 6, characterized in that: Vertical support columns (30) are fixed on both the front and rear sides of the conveying chain (11) on the right side of the spray protection shell (40), and a second measuring grating transmitter (33) and a second measuring grating detection receiver (34) are fixed on the upper inner side walls of the two vertical support columns (30), respectively. The second measuring grating transmitter (33) irradiates infrared rays to the receiving end of the second measuring grating detection receiver (34), and the second measuring grating transmitter (33) and the second measuring grating detection receiver (34) are connected to the control main unit through an electrical connection line. Electromechanical connection, the second measuring grating detection receiving element (34) transmits the detection signal to the control host, the control host processes the signal, the control host is electrically connected to the spraying equipment through the signal connection line to realize information exchange, the control host processes the detection signal of the second measuring grating detection receiving element (34) and transmits the control signal to the spraying equipment, the corresponding solenoid valves connected at all vertical nozzles (43) of the spraying equipment are controlled according to the control signal transmitted by the control host, and some or all of the solenoid valves are opened as needed to realize spraying.

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