Following type full-automatic loading and unloading system for power battery box and control method of following type full-automatic loading and unloading system

Abstract

The invention discloses a power battery box following type full-automatic loading and unloading system which comprises a main line conveying belt, a transfer conveying belt, a loading robot and a controller, the main line conveying belt and the transfer conveying belt are parallel to each other, and the loading robot is located between the main line conveying belt and the transfer conveying belt. A photoelectric proximity switch, a clamping assembly and a driving assembly used for detecting a workpiece hanger hole position are arranged on the side edge of the main line conveying belt, and the photoelectric proximity switch is used for detecting whether a workpiece is in place or not. The clamping assembly comprises a clamping assembly body used for grasping the hanging tool, a Y-axis air cylinder used for moving the clamping assembly body in the Y direction and an X-axis servo motor used for conducting servo on the clamping assembly body in the x direction, and the controller is electrically connected with the X-axis servo motor, the Y-axis air cylinder, the clamping assembly body and the driving assembly. The working efficiency can be improved.

Description

Technical Field

[0001] The present invention relates to the technical field of power battery box loading, and in particular to a power battery box following fully automatic loading and unloading system and a control method thereof. Background Art

[0002] Energy is an important support for the modern economy and an important foundation for the survival and development of human society. It plays an indispensable and important role in promoting economic and social development. Since the advent of industrialization, energy based on fossil fuels such as coal, oil, and natural gas has become the material basis for the survival of human society. At present, the contradiction between the increasing shortage of traditional petrochemical energy and the strong demand for energy for social and economic development is becoming more acute. If the current energy consumption structure is not changed and the diversification of energy supply is accelerated, the sustainable and healthy development of social economy will be severely restricted by the non-renewable nature of traditional fossil energy. Therefore, it is urgent to adjust the energy consumption structure, improve energy utilization efficiency, effectively develop new energy, establish an energy system based on new energy and renewable energy, reduce carbon emissions, and ensure energy security.

[0003] It is in this context that new energy vehicles were born, developed and grew, and in 2021, sales experienced a blowout phenomenon, with sales reaching 3.2 million vehicles. It is estimated that new energy sales will reach 19 million vehicles in 2030.

[0004] Therefore, the output of the new energy vehicle battery box powder production line is 380,000 pieces, which is an astonishing number. How to complete the powder coating on the battery box on a high-efficiency production line to achieve safety and appearance indicators is the first time in China. At the same time, it also has very high social and economic benefits in terms of improving the pass rate, improving quality and saving energy. However, the existing power battery box is generally loaded manually during the processing process, resulting in low work efficiency, so it needs to be improved. Summary of the invention

[0005] (I) Technical Problems to be Solved The purpose of the present invention is to provide a power battery box following fully automatic loading and unloading system and a control method thereof, so as to solve the defect of low work efficiency caused by manual loading of existing workpieces. (II) Summary of the invention In order to solve the above technical problems, the present invention provides the following technical solutions: a power battery box following fully automatic loading and unloading system, comprising a main line conveyor belt, a transfer conveyor, a loading robot and a controller, the main line conveyor belt and the transfer conveyor are parallel to each other, the loading robot is located between the main line conveyor belt and the transfer conveyor, and a photoelectric proximity switch, a clamping assembly and a driving assembly for detecting the hole position of a workpiece hanger are arranged on the side of the main line conveyor belt, the photoelectric proximity switch is used to detect whether the workpiece is in place, the clamping assembly comprises a clamping assembly for grasping the hanger, a Y-axis cylinder for moving the clamping assembly in the Y direction and an X-axis servo motor for servoing the clamping assembly in the x direction, and the controller is electrically connected to the X-axis servo motor, the Y-axis cylinder, the clamping assembly and the driving assembly.

[0007] Preferably, the driving assembly includes a driving motor, a grating disk electrically connected to the output shaft of the driving motor, a receiver and a laser transmitter, the receiver and the laser transmitter are symmetrically arranged, and the grating disk is placed between the receiver and the laser transmitter, and a detection hole is provided on the grating disk.

[0008] Preferably, the clamping assembly is a pneumatic clamp.

[0009] Preferably, the controller is PLC controlled.

[0010] The present invention also discloses a control method for a power battery box following fully automatic loading and unloading system, including the power battery box following fully automatic loading and unloading system, characterized in that: Step 1: Place the workpiece on the main conveyor and transport it to the photoelectric proximity switch. After the workpiece is identified, the information is sent to the controller. Step 2: When the driving motor rotates, it drives the grating disk to rotate through the connecting shaft. The grating holes are evenly arranged on the grating disk. The laser transmitter passes through the grating holes on the grating disk and shoots to the receiver. Each time the grating disk rotates a circle, the receiver will receive a certain number of laser irradiations and send the number of irradiations to the controller. The controller can calculate the distance traveled by the workpiece, and then send the distance data to the loading robot, the X-axis servo motor, the Y-axis cylinder and the clamping assembly; Step 3: The X-axis servo motor will follow the workpiece according to the speed calculated by the controller, the Y-axis cylinder will move toward the workpiece according to the time calculated by the controller, and the clamping assembly will also clamp the hanger according to the time calculated by the controller, thereby preventing the hanger from shaking. Step 4: The loading robot grabs the hanger and transfers it to the transfer conveyor according to the time and position calculated by the controller.

[0011] As a priority, the specific distance calculation formula in step 3 is as follows: L=Qπd / N / k / 1000(m / min) Where: L represents the distance the workpiece travels, Q is the number of irradiations, π is the circumference, d is the outer diameter of the gear, N is the number of holes on the grating disk, and K is the reduction ratio.

[0012] As a preference, the outer diameter of the gear is given in millimeters.

[0013] (III) Beneficial effects The invention provides a power battery box following fully automatic loading and unloading system and a control method thereof, which have the advantages of: using automatic loading to further improve work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a top view of a power battery box tracking fully automatic loading and unloading system in this embodiment; Figure 2 This is a schematic diagram of the connection between PLC and other devices in this embodiment.

[0015] In the reference numerals: Main line conveyor belt 1, transfer conveyor 2, loading robot 3, controller 4, photoelectric proximity switch 5, clamping assembly 6, drive assembly 9, Y-axis cylinder 8, X-axis servo motor 7, drive motor 7-1, and drive motor 7-1, grating disk 7-2, receiver 7-3, laser transmitter 7-4. DETAILED DESCRIPTION

[0016] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described in combination with the embodiments of the present invention. Obviously, the described embodiments are 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.

[0017] Embodiment 1 As shown in the figure, an embodiment of the present invention is: a power battery box following fully automatic loading and unloading system, including a main line conveyor belt 1, a transfer conveyor 2, a loading robot 3 and a controller 4, the main line conveyor belt 1 and the transfer conveyor 2 are parallel to each other, the loading robot 3 is located between the main line conveyor belt 1 and the transfer conveyor 2, and a photoelectric proximity switch 5, a clamping assembly 6 and a driving assembly 9 for detecting the hole position of the workpiece hanger are arranged on the side of the main line conveyor belt 1, the photoelectric proximity switch 5 is used to detect whether the workpiece is in place, the clamping assembly 6 includes a clamping assembly 6 for grasping the hanger, a Y-axis cylinder 8 for moving the clamping assembly 6 in the Y direction and an X-axis servo motor 7 for servoing the clamping assembly 6 in the x direction, and the controller 4 is electrically connected to the X-axis servo motor 7, the Y-axis cylinder 8, the clamping assembly 6 and the driving assembly 9.

[0018] Preferably, the driving assembly 9 includes a driving motor 7-1, a grating disk 7-2 electrically connected to the output shaft of the driving motor 7-1, a receiver 7-3 and a laser emitter 7-4, wherein the receiver 7-3 and the laser emitter 7-4 are symmetrically arranged, and the grating disk 7-2 is placed between the receiver 7-3 and the laser emitter 7-4, and a detection hole is arranged on the grating disk 7-2.

[0019] Preferably, the clamping assembly 6 is a pneumatic clamp.

[0020] Preferably, the controller 4 is PLC controlled.

[0021] The present invention also discloses a control method for a power battery box following fully automatic loading and unloading system, including the power battery box following fully automatic loading and unloading system, characterized in that: Step 1: Place the workpiece on the main conveyor and transport it to the photoelectric proximity switch 5. After the workpiece is identified, the information is sent to the controller 4. Step 2: When the driving motor 7-1 rotates, the grating disk 7-2 is driven to rotate through the connecting shaft. The grating holes are evenly arranged on the grating disk 7-2. The laser transmitter 7-4 passes through the grating holes on the grating disk 7-2 and shoots to the receiver 7-3. Every time the grating disk 7-2 rotates a circle, the receiver 7-3 will receive a certain number of laser irradiations and send the number of irradiations to the controller 4. The controller 4 can calculate the distance traveled by the workpiece, and then send the distance data to the feeding robot 3, the X-axis servo motor 7, the Y-axis cylinder 8 and the clamping assembly 6; Step 3: The X-axis servo motor 7 will follow the workpiece according to the speed calculated by the controller 4, the Y-axis cylinder 8 will move toward the workpiece according to the time calculated by the controller 4, and the clamping assembly 6 will also clamp the hanger according to the time calculated by the controller 4, thereby preventing the hanger from shaking. Step 4: The loading robot 3 grabs the hanger and transfers it to the transfer conveyor 2 according to the time and position calculated by the controller 4.

[0022] As a priority, the specific distance calculation formula in step 3 is as follows: L=Qπd / N / k / 1000(m / min) Wherein: L represents the distance traveled by the workpiece, Q is the number of irradiations, π is the circumference, d is the outer diameter of the gear, N is the number of holes on the grating disk 7-2, and K is the reduction ratio.

[0023] As a preference, the outer diameter of the gear is given in millimeters.

[0024] During operation, the workpiece is placed on the main conveyor and conveyed to the photoelectric proximity switch 5. After the workpiece is identified, the information is sent to the controller 4. When the driving motor 7-1 rotates, the grating disk 7-2 is driven to rotate through the connecting shaft. The grating holes are evenly arranged on the grating disk 7-2. The laser transmitter 7-4 passes through the grating holes on the grating disk 7-2 and shoots to the receiver 7-3. Every time the grating disk 7-2 rotates a circle, the receiver 7-3 will receive a certain number of laser irradiations and send the number of irradiations to the controller 4. The distance traveled by the workpiece can be calculated by the controller 4, and then the distance traveled by the workpiece can be calculated. The distance data is sent to the loading robot 3, the X-axis servo motor 7, the Y-axis cylinder 8 and the clamping assembly 6; the X-axis servo motor 7 will follow the workpiece according to the speed calculated by the controller 4, the Y-axis cylinder 8 will move toward the workpiece according to the time calculated by the controller 4, and the clamping assembly 6 will also grasp the hanger according to the time calculated by the controller 4, thereby preventing the hanger from shaking. The loading robot 3 grabs the hanger according to the time and position calculated by the controller 4 and transfers it to the transfer conveyor 2, thereby realizing automatic loading and improving work efficiency.

[0025] The device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the scheme of this embodiment. Ordinary technicians in this field can understand and implement it without paying creative labor.

[0026] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A power battery box following fully automatic loading and unloading system, characterized by: The invention comprises a main conveyor belt (1), a transfer conveyor (2), a loading robot (3) and a controller (4), wherein the main conveyor belt (1) and the transfer conveyor (2) are parallel to each other, the loading robot (3) is located between the main conveyor belt (1) and the transfer conveyor (2), a photoelectric proximity switch (5), a clamping assembly (6) and a driving assembly (9) for detecting the position of a workpiece hanger hole are arranged on the side of the main conveyor belt (1), the photoelectric proximity switch (5) is used to detect whether the workpiece is in place, the clamping assembly (6) comprises a clamping assembly (6) for grasping the hanger, a Y-axis cylinder (8) for moving the clamping assembly (6) in the Y direction and an X-axis servo motor (7) for servoing the clamping assembly (6) in the X direction, and the controller (4) is electrically connected to the X-axis servo motor (7), the Y-axis cylinder (8), the clamping assembly (6) and the driving assembly (9).

2. A power battery box following fully automatic loading and unloading system according to claim 1, characterized in that: The driving assembly (9) comprises a driving motor (7-1), a grating disk (7-2) electrically connected to an output shaft of the driving motor (7-1), a receiver (7-3) and a laser transmitter (7-4), wherein the receiver (7-3) and the laser transmitter (7-4) are symmetrically arranged, and the grating disk (7-2) is arranged between the receiver (7-3) and the laser transmitter (7-4), and a detection hole is arranged on the grating disk (7-2).

3. A power battery box following fully automatic loading and unloading system according to claim 1, characterized in that: The clamping assembly (6) is a pneumatic clamp.

4. A power battery box following fully automatic loading and unloading system according to claim 1, characterized in that: The controller (4) is PLC controlled.

5. A control method for a power battery box following fully automatic loading and unloading system, comprising adopting a power battery box following fully automatic loading and unloading system according to claims 1 to 4, characterized in that: Step 1: Place the workpiece on the main conveyor and transport it to the photoelectric proximity switch (5). After the workpiece is identified, the information is sent to the controller (4). Step 2: When the driving motor (7-1) rotates, the grating disk (7-2) is driven to rotate through the connecting shaft. The grating holes are evenly arranged on the grating disk (7-2). The laser transmitter (7-4) passes through the grating holes on the grating disk (7-2) and shoots to the receiver (7-3). Each time the grating disk (7-2) rotates one circle, the receiver (7-3) will receive a certain number of laser irradiations and send the number of irradiations to the controller (4). The controller (4) can calculate the distance traveled by the workpiece, and then send the distance data to the loading robot (3), the X-axis servo motor (7), the Y-axis cylinder (8) and the clamping assembly (6); Step 3: The X-axis servo motor (7) will follow the workpiece according to the speed calculated by the controller (4), the Y-axis cylinder (8) will move toward the workpiece according to the time calculated by the controller (4), and the clamping assembly (6) will also clamp the hanger according to the time calculated by the controller (4), thereby preventing the hanger from shaking. Step 4: The loading robot (3) grabs the hanger and transfers it to the transfer conveyor (2) according to the time and position calculated by the controller (4).

6. The control method of a power battery box following fully automatic loading and unloading system according to claim 5 is characterized in that: In the third step, the specific distance calculation formula is as follows: L=Qπd / N / k / 1000(m / min) Where: L represents the distance traveled by the workpiece, Q is the number of irradiations, π is the circumference, d is the outer diameter of the gear, N is the number of holes on the grating disk (7-2), and K is the reduction ratio.

7. The control method of a power battery box following fully automatic loading and unloading system according to claim 6 is characterized in that: The unit of gear outer diameter is millimeters.

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