Electric vehicle battery liquid cooling plate size detection work station

Abstract

An electric vehicle battery liquid cooling plate size detection work station is provided with a truss, a feeding and discharging mechanical arm, a detection workbench, a workpiece pressing clamp, a line laser scanning unit and an image processing system. The truss is in butt joint with a workpiece conveying system of a production line, the top of the truss is provided with a feeding and discharging mechanical arm, and a detection workbench is arranged below the middle of the truss. The two feeding and discharging mechanical arms are arranged in a bilateral symmetry mode. The workpiece pressing clamp is assembled with the detection workbench; the line laser scanning unit comprises a line laser scanning module and a movable frame, the movable frame is installed above the detection workbench, the line laser scanning module is installed on the movable frame, and the output end of the line laser scanning module is in communication connection with the image processing system; and the image processing system analyzes the data converted by the linear laser scanning module and judges whether the workpiece is a qualified product or not. According to the utility model, the precise measurement of the size of the workpiece is realized, and the purposes of ensuring the reliability of the detection result and improving the working efficiency are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to new energy electric automobile technical field, concretely is a kind of full-automatic detection workstation for electric automobile battery liquid cooling plate size detection. BACKGROUND

[0002] With the rapid development of new energy electric automobile industry, the safety of power battery system becomes an important indicator to measure vehicle performance. At present, the cooling method of electric automobile battery system is gradually replaced by water cooling from air cooling, and under this background, the performance of liquid cooling plate is also concerned, and the dimensional accuracy such as assembly hole position degree, line profile degree, surface profile degree and water nozzle perpendicularity on liquid cooling plate has great influence on heat dissipation effect and assembly quality, therefore, the size detection of liquid cooling plate product becomes one of the key control processes in production process.

[0003] The traditional liquid cooling plate size detection method usually relies on manual operation, is influenced by human factors, is difficult to overcome the problem of measurement error, and has low work efficiency, and cannot guarantee the consistency with liquid cooling plate production line rhythm. UTILITY MODEL CONTENT

[0004] The utility model provides a kind of electric automobile battery liquid cooling plate size detection workstation, it aims at the cooperation of feeding and discharging mechanical hand, detection workbench, workpiece pressure clamps, line laser scanning component, realizes the accurate measurement to workpiece size by means of image processing technology, reaches the purpose of guaranteeing detection result reliability, improve work efficiency.

[0005] To achieve the above object, the utility model adopts the following technical scheme:

[0006] A kind of electric automobile battery liquid cooling plate size detection workstation is equipped with truss, feeding and discharging mechanical hand, detection workbench, workpiece pressure clamps, line laser scanning unit and image processing system;The truss is fixedly installed on horizontal ground, and is connected with the workpiece conveying system of production line, feeding and discharging mechanical hand is equipped on the top of truss, detection workbench is arranged below the middle part of truss;The feeding and discharging mechanical hand is arranged two groups left and right symmetrically;The workpiece pressure clamps are equipped with detection workbench;The line laser scanning unit includes line laser scanning module and moving frame, the moving frame is installed above detection workbench, the line laser scanning module is installed on moving frame, and its output end is connected with image processing system;The image processing system analyzes the data converted by line laser scanning module, and judges whether workpiece is qualified product.

[0007] The above-mentioned electric automobile battery liquid cooling plate size detection workstation is further provided with left-right direction moving assembly in the line laser scanning unit, and the line laser scanning module is assembled with the moving frame through the left-right direction moving assembly, and the laser scanning module is moved along the left-right direction of the moving frame through the left-right direction moving assembly.

[0008] The electric vehicle battery liquid cooling plate size detection station is provided with a line laser scanning module moving track on the detection workbench, the line laser scanning module moving track is arranged symmetrically left and right, a moving frame in the line laser scanning unit is matched therewith, and the line laser scanning module moving track provides a guiding action for the front and back direction movement of the moving frame.

[0009] The electric vehicle battery liquid cooling plate size detection station is further provided with a position sensor assembly on the detection workbench; the position sensor assembly is four groups and is arranged in a closed manner to form a rectangular workpiece detection area matched with the outer contour size of the workpiece.

[0010] The electric vehicle battery liquid cooling plate size detection station, the feeding and discharging manipulator comprises a moving assembly and a manipulator arm; the moving assembly is provided with an X-direction horizontal moving unit, a Y-direction horizontal moving unit and a Z-direction lifting unit matched and assembled, and the manipulator arm is matched and assembled below the Z-direction lifting unit.

[0011] The electric vehicle battery liquid cooling plate size detection station, the manipulator arm is provided with an arm support, a suction cup, a clamping jaw, a clamping jaw cylinder and a rotating arm shaft; the arm support is matched with the Z-direction lifting unit, two groups of suction cups are arranged symmetrically on the bottom surface of the arm support, the rotating arm shaft is installed on the left and right sides of the arm support, and the clamping jaw is matched and assembled on the rotating arm shaft; the suction cup is connected with a vacuum negative pressure system on the production line; the clamping jaw is hingedly connected with the telescopic arm of the clamping jaw cylinder and the arm support through the rotating arm shaft; and the clamping jaw cylinder is installed on the top surface of the arm support.

[0012] The electric vehicle battery liquid cooling plate size detection station, the number of clamping jaws is not less than four groups, at least two groups of rotating arm shafts are arranged on the left and right sides of the arm support, and a gasket is arranged on the contact surface between each group of clamping jaws and the workpiece.

[0013] The electric vehicle battery liquid cooling plate size detection station further comprises a clamp moving assembly, the clamp moving assembly comprises a horizontal moving unit and a lifting unit matched and assembled, and the clamp moving assembly drives the workpiece pressing clamp to realize front and back movement and lifting action through the horizontal moving unit and the lifting unit.

[0014] The electric vehicle battery liquid cooling plate size detection station, the workpiece pressing clamp comprises a pressing plate and a pressing plate fixing seat, the pressing plate fixing seat is matched and assembled with the lifting unit in the clamp moving assembly; the pressing plate is installed below the pressing plate fixing seat, the shape of the pressing plate is matched with the structure of the workpiece, and a plurality of groups of detection holes are arranged on the pressing plate.

[0015] The electric vehicle battery liquid cooling plate size detection station, the moving assembly of the feeding and discharging manipulator, the clamp moving assembly, the moving frame in the line laser scanning unit and the left and right direction moving assembly are all in a motor driving mode.

[0016] The utility model provides a kind of electric automobile battery liquid cooling plate size detection workstation, it applies line laser scanning module and image processing technology, integrates multiple line laser sensors in line laser scanning module, can quickly detect workpiece assembly hole position degree, line profile, face profile, water nozzle perpendicularity and other characteristics, realizes the high-precision, high-efficiency automatic detection of liquid cooling plate size, and its repeatability can reach 0.1mm compared with traditional gauge by trial and comparison, and detection efficiency is improved by more than 300%.The utility model realizes the conversion of workpiece between production line conveying system and detection workbench using feeding and discharging manipulator, and sets up suction disc in the manipulator arm of feeding and discharging manipulator, can first be grabbed by the negative pressure adsorption of suction disc to sheet metal workpiece, then workpiece is lifted and limited by gripper action, so that the stable grabbing and transfer of workpiece are realized, and the deformation problem of workpiece in the process of grabbing and transfer is avoided.The utility model has the characteristics of wide applicability and high degree of flexibility, can meet the needs of different host factory liquid cooling plate size detection, realize 100% detection of single variety mass production product, and can accurately trace the state of single product, effectively curb the outflow of defective products.Obviously, the utility model realizes the accurate measurement of workpiece size, achieves the purpose of ensuring the reliability of detection result and improving work efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the whole structure schematic diagram of the utility model;

[0018] Figure 2 It is Figure 1 The top view (after rotating to horizontal state) of

[0019] Figure 3 It is detection workbench, workpiece pressing clamp, clamp transfer assembly and line laser scanning unit arrangement relationship schematic diagram;

[0020] Figure 4 It is detection workbench and line laser scanning unit structure schematic diagram;

[0021] Figure 5 It is workpiece pressing clamp structure schematic diagram;

[0022] Figure 6 It is truss and feeding and discharging manipulator structure schematic diagram;

[0023] Figure 7 It is K view of Figure 6

[0024] Figure 8 It is the structure enlarged view of I in Figure 7

[0025] Figure 9 ​​It is the working state schematic view (top view) of the utility model.

[0026] Interpretation of each reference numeral in the figure:

[0027] 1 is truss;

[0028] 2 is the feeding and discharging manipulator, 2-1 is X direction horizontal moving unit, 2-2 is Y direction horizontal moving unit, 2-3 is Z direction lifting unit, 2-4 is manipulator arm, 2-4-1 is arm support, 2-4-2 is clamping jaw cylinder, 2-4-3 is clamping jaw, 2-4-4 is gasket, 2-4-5 is rotating arm shaft, 2-4-6 is suction cup;

[0029] 3 is detection workbench, 3-1 is in-place sensor assembly, 3-2 is line laser scanning module moving track;

[0030] 4 is workpiece pressing clamp, 4-1 is pressing plate, 4-2 is pressing plate fixed seat, 4-3 is detection hole;

[0031] 5 is clamp moving assembly;

[0032] 6 is line laser scanning unit, 6-1 is moving frame, 6-2 is line laser scanning module, 6-3 is left and right direction moving assembly;

[0033] 7 is workpiece, 7a is qualified product, 7b is unqualified product;

[0034] 8 is workpiece conveying system. DETAILED DESCRIPTION

[0035] The utility model will be further described below in combination with the drawings and specific embodiment.

[0036] Referring to Fig. 1, Figure 2 , Figure 3 , Figure 4 , Figure 9The utility model provides a kind of electric automobile battery liquid cooling plate size detection workstation, it is equipped with truss 1, feeding and discharging manipulator 2, detection workbench 3, workpiece pressure clamp 4, line laser scanning unit 6 and image processing system;The truss 1 is fixedly installed on horizontal ground, and the workpiece conveying system 8 of production line is docked, feeding and discharging manipulator 2 is equipped on the top of truss 1, detection workbench 3 is arranged below the middle of truss 1;Feeding and discharging manipulator 2 is arranged two groups symmetrically, and the conversion between workpiece 7 in production line conveying system 8 and detection workbench 3 is realized by feeding and discharging manipulator 2;Workpiece pressure clamp 4 is equipped with detection workbench 3, and workpiece 7 to be detected is pressed tightly by workpiece pressure clamp 4, to simulate the working condition of workpiece under battery pressure;Line laser scanning unit 6 includes line laser scanning module 6-2 and moving frame 6-1, the moving frame 6-1 is installed above detection workbench 3, and the line laser scanning module 6-2 is installed on moving frame 6-1, and point cloud data is scanned and collected to workpiece by line laser scanning module 6-2, and the output end of line laser scanning module 6-2 is connected with image processing system in communication;Image processing system analyzes the data converted by line laser scanning module, and judges whether workpiece is qualified product.

[0037] Referring to Figure 3 、 Figure 4 The electric automobile battery liquid cooling plate size detection workstation disclosed by the utility model further includes left-right direction moving assembly 6-3 in its line laser scanning unit 6, and the line laser scanning module 6-2 is assembled with moving frame 6-1 through left-right direction moving assembly 6-3, and the movement of laser scanning module 6-2 along the left-right direction of moving frame 6-1 is realized through left-right direction moving assembly 6-3.

[0038] Still referring to Figure 3 、 Figure 4 The electric automobile battery liquid cooling plate size detection workstation disclosed by the utility model is provided with line laser scanning module moving track 3-2 and in-place sensor assembly 3-1 on its detection workbench 3, the line laser scanning module moving track 3-2 is arranged symmetrically left and right, and moving frame 6-1 in line laser scanning unit 6 is assembled therewith, and the line laser scanning module moving track 3-2 provides guiding action for the front-back direction movement of moving frame 6-1;The in-place sensor assembly 3-1 is four groups, and is arranged to form rectangular workpiece detection area matched with the overall size of workpiece, and the left-right and front-back direction movement in-place signals are provided for feeding and discharging manipulator 2, workpiece pressure clamp 4 and line laser scanning unit 6 by in-place sensor assembly 3-1.

[0039] Referring to Figure 1 、 Figure 2 、 Figure 3 、 Figure 5The electric automobile battery liquid cooling plate size detection workstation further is equipped with clamp moving and carrying assembly 5, the clamp moving and carrying assembly 5 includes the horizontal moving unit and lifting unit of combined assembly, and the workpiece pressing clamp 4 is driven to realize front and back movement and lifting action through the horizontal moving unit and lifting unit;The workpiece pressing clamp 4 includes pressing plate 4-1 and pressing plate fixed seat 4-2, the pressing plate fixed seat 4-2 is equipped with the lifting unit of clamp moving and carrying assembly 5, the pressing plate 4-1 is installed below the pressing plate fixed seat 4-2, and the shape of the pressing plate 4-1 is matched with the structure of the workpiece, a plurality of groups of detection holes 4-3 are arranged on the pressing plate 4-1, and the line laser scanning module 6-2 can collect workpiece corresponding position point information through the detection hole 4-3.

[0040] Referring to Figure 1 、 Figure 2 、 Figure 6 、 Figure 7 、 Figure 8 The electric automobile battery liquid cooling plate size detection workstation, the feeding and discharging mechanical arm 2 includes moving assembly and mechanical arm 2-4;The moving assembly is equipped with the X direction horizontal moving unit 2-1, Y direction horizontal moving unit 2-2 and Z direction lifting unit 2-3 of combined assembly, and the mechanical arm 2-4 is equipped below the Z direction lifting unit 2-3;The mechanical arm 2-4 is equipped with arm support 2-4-1, suction cup 2-4-6, clamping jaw 2-4-3, clamping jaw cylinder 2-4-2 and rotating arm shaft 2-4-5, the arm support 2-4-1 is assembled with the Z direction lifting unit 2-3, two groups of suction cups 2-4-6 are arranged on the bottom surface of the arm support 2-4-1 left and right symmetrically, the rotating arm shaft 2-4-5 is installed on the left and right sides of the arm support 2-4-1, the clamping jaw 2-4-3 is assembled on the rotating arm shaft 2-4-5, the suction cup 2-4-6 is connected with the vacuum negative pressure system on the production line, the clamping jaw 2-4-3 is respectively connected with the telescopic arm of clamping jaw cylinder 2-4-2 and arm support 2-4-1 through rotating arm shaft 2-4-5, the number of clamping jaw 2-4-3 is not less than four groups, at least two groups of rotating arm shafts 2-4-5 are arranged on the left and right sides of the arm support 2-4-1, and the gasket 2-4-4 is arranged on the contact surface of each group of clamping jaw 2-4-3 and the workpiece 7.

[0041] Referring to Figures 1 to 9The electric automobile battery liquid cooling plate size detection work station, its working process is: the workpiece 7 of waiting for detection is transported to the working area of the utility model through the workpiece conveying system 8 of production line, is moved after the workpiece 7 is adsorbed and grabbed by the action of the feeding and discharging mechanical arm 2 arranged in the one side of the truss 1, is transported to the detection area of the detection workbench 3, and the feeding and discharging mechanical arm 2 exits;Clamp transfer mechanism 4-5 drives workpiece pressure clamp 4 to move to the detection station, then the pressure plate 4-1 in workpiece pressure clamp 4 is driven under the lifting unit to press the workpiece 7, so that the pressure that the workpiece 7 bears is same with the pressure that the battery applies in working process, reaches the purpose of simulating workpiece 7 working state;Then, start line laser scanning unit 6, through moving frame 6-1, left and right moving assembly 6-3 drive line laser scanning module 6-2 front, back, left, right movement, line laser scanning module 6-2 carries out all-around laser scanning to workpiece 7, gathers point cloud data, and the data collected are transmitted to image processing system;The data transferred by line laser scanning module are analyzed by image processing system, and whether the workpiece is a qualified product is judged, and line laser scanning unit 6 exits the detection area and resets to the initial position;The PLC control system of production line outputs instruction according to detection result, and the qualified product 7a is transported to the qualified product station of workpiece conveying system 8 by the feeding and discharging mechanical arm 2 arranged in the one side of the truss 1 unloading, and the unqualified product 7b is transported to the unqualified product station of workpiece conveying system 8 by the feeding and discharging mechanical arm 2 arranged in the one side of the truss 1 unloading.

Claims

1. An electric vehicle battery liquid cooling plate dimension detection workstation, characterized in that: The utility model provides a kind of production line workpiece detection system, including truss (1), feeding and discharging manipulator (2), detection workbench (3), workpiece pressing fixture (4), line laser scanning unit (6) and image processing system;The truss (1) is fixedly installed on horizontal ground, and is butt joint with workpiece conveying system (8) of production line, feeding and discharging manipulator (2) is equipped on the top of truss (1), detection workbench (3) is arranged below middle part of truss (1);The feeding and discharging manipulator (2) is arranged two groups symmetrically left and right;Workpiece pressing fixture (4) is equipped with detection workbench (3);Line laser scanning unit (6) includes line laser scanning module (6-2) and moving frame (6-1), moving frame (6-1) is installed above detection workbench (3), line laser scanning module (6-2) is installed on moving frame (6-1), and its output is connected with image processing system communication;Image processing system analyzes the data converted by line laser scanning module, and judges whether workpiece is qualified product.

2. The electric vehicle battery liquid cooling plate dimension detection station of claim 1, wherein: In the line laser scanning unit (6), left and right direction moving assembly (6-3) is further included, and the line laser scanning module (6-2) is assembled with the moving frame (6-1) through the left and right direction moving assembly (6-3), and the laser scanning module (6-2) is moved along the moving frame (6-1) in the left and right directions through the left and right direction moving assembly (6-3).

3. The electric vehicle battery liquid cooling plate dimension detection station of claim 2, wherein: Line laser scanning module moving track (3-2) is provided on the detection workbench (3), the line laser scanning module moving track (3-2) is arranged symmetrically left and right, and the moving frame (6-1) in the line laser scanning unit (6) is equipped therewith, and the line laser scanning module moving track (3-2) provides a guiding effect for the front and back direction movement of the moving frame (6-1).

4. The electric vehicle battery liquid cooling plate dimension detection station of claim 3, wherein: Arrangement is further provided on the detection workbench (3) to the position sensor assembly (3-1);The position sensor assembly (3-1) is four groups, and is arranged to form a rectangular workpiece detection area matched with the outer contour size of workpiece.

5. The electric vehicle battery liquid cooling plate dimension detection station according to any one of claims 1 to 4, characterized in that: The feeding and discharging manipulator (2) includes moving assembly and manipulator arm (2-4);The moving assembly is provided with combined X direction horizontal movement unit (2-1), Y direction horizontal movement unit (2-2) and Z direction lifting unit (2-3), and the manipulator arm (2-4) is equipped below the Z direction lifting unit (2-3).

6. The electric vehicle battery liquid cooling plate dimension detection station of claim 5, wherein: The mechanical arm (2-4) is provided with an arm support (2-4-1), a suction cup (2-4-6), a clamping jaw (2-4-3), a clamping jaw cylinder (2-4-2) and a rotating arm shaft (2-4-5); the arm support (2-4-1) is assembled with a Z-direction lifting unit (2-3), two groups of suction cups (2-4-6) are symmetrically arranged on the bottom surface of the arm support (2-4-1), the rotating arm shaft (2-4-5) is installed on the left and right sides of the arm support (2-4-1), and the clamping jaw (2-4-3) is assembled on the rotating arm shaft (2-4-5); the suction cup (2-4-6) is connected with a vacuum negative pressure system on the production line; the clamping jaw (2-4-3) is respectively connected with the extension arm of the clamping jaw cylinder (2-4-2) and the arm support (2-4-1) through the rotating arm shaft (2-4-5); and the clamping jaw cylinder (2-4-2) is installed on the upper surface of the arm support (2-4-1).

7. The electric vehicle battery liquid cooling plate dimension detection station of claim 6, wherein: The number of the clamping jaws (2-4-3) is not less than four groups, and at least two groups of rotating arm shafts (2-4-5) are arranged on the left and right sides of the arm support (2-4-1), and a gasket (2-4-4) is arranged on the contact surface between each group of clamping jaws (2-4-3) and the workpiece (7).

8. The electric vehicle battery liquid cooling plate dimension detection station of claim 7, wherein: It is also provided with a clamp transfer assembly (5), the clamp transfer assembly (5) comprising a horizontally moving unit and a lifting unit assembled together, and the workpiece pressing clamp (4) is driven by the horizontally moving unit and the lifting unit to realize forward and backward movement and lifting action.

9. The electric vehicle battery liquid cooling plate dimension detection station of claim 8, wherein: The workpiece pressing clamp (4) comprises a pressing plate (4-1) and a pressing plate fixing seat (4-2), the pressing plate fixing seat (4-2) is assembled with the lifting unit of the clamp transfer assembly (5); the pressing plate (4-1) is installed below the pressing plate fixing seat (4-2), the shape of the pressing plate (4-1) is matched with the structure of the workpiece, and a plurality of groups of detection holes (4-3) are arranged on the pressing plate (4-1).

10. The electric vehicle battery liquid cooling plate dimension detection station of claim 9, wherein: The moving assembly of the feeding and discharging mechanical arm (2), the clamp transfer assembly (5), the moving frame (6-1) and the left and right direction moving assembly (6-3) of the line laser scanning unit (6) all adopt a motor driving mode.

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