Rectangular product and circular product edge detection platform

Abstract

The utility model relates to a rectangular product and circular product edge detection platform, which belongs to the field of precision detection equipment and comprises a machine table, two groups of Y-direction movement modules arranged on the machine table, X-direction movement modules arranged at the movement ends of the Y-direction movement modules, negative pressure adsorption jigs rotationally arranged at the movement ends of the X-direction movement modules, and a precision alignment unit, a first detection unit; a transfer unit; a second detection unit; and the fine alignment unit, the first detection unit, the transfer unit and the second detection unit are sequentially erected above the Y-direction movement module. The beneficial effects of the utility model are that the Y-direction movement module and the X-direction movement module cooperate with each other to detect the edge of a rectangular product, the Y-direction movement module and the rotatable negative pressure adsorption jig cooperate with each other to detect the edge of a circular product, and the device can be suitable for two kinds of display screen products at the same time, is more diversified in detection modes, is high in equipment utilization rate, and is convenient to use. And the two Y-direction movement modules are adopted to transmit products at the same time, so that the detection efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the field of precision detection equipment, in particular to an edge detection platform for rectangular products and circular products. Background Art

[0002] During the production process of display panels, panel products need to be inspected for bad pixels, defects, and various optical tests. However, existing panel product inspection equipment cannot simultaneously inspect products of different shapes. The inspection process is relatively simple and the inspection cycle is long, which reduces inspection efficiency.

[0003] There is an urgent need for a detection platform that can improve detection efficiency. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a detection platform which can be adapted to different product shapes and improve detection efficiency.

[0005] The utility model solves the above-mentioned technical problems with the following technical solutions: a rectangular product and circular product edge detection platform, comprising a machine platform, wherein two or more mutually parallel Y-direction motion modules are provided on the machine platform, wherein the motion ends of the Y-direction motion modules are each provided with an X-direction motion module, wherein the motion direction of the X-direction motion module is perpendicular to that of the Y-direction motion module, and a negative pressure adsorption fixture is rotatably provided on the motion end of the X-direction motion module, wherein the rotation axis of the negative pressure adsorption fixture is perpendicular to the top surface of the machine platform, and:

[0006] A precision alignment unit, used for precisely aligning the product above the negative pressure adsorption fixture;

[0007] A first detection unit is used to detect the product above the negative pressure adsorption fixture;

[0008] A transfer unit, used for clamping and transferring the product above the negative pressure adsorption fixture;

[0009] A second detection unit is used to re-detect the product above the negative pressure adsorption fixture;

[0010] The precise alignment unit, the first detection unit, the transfer unit and the second detection unit are sequentially mounted above the Y-direction motion module along the motion direction of the Y-direction motion module.

[0011] The beneficial effects of the present invention are as follows: the Y-direction motion module and the X-direction motion module cooperate to detect the edges of rectangular products, and the Y-direction motion module and the rotatable negative pressure adsorption fixture cooperate to detect the edges of circular products. It can be applied to two types of display screen products at the same time, the detection methods are more diverse, the equipment utilization rate is high, and two groups of Y-direction motion modules are used to transmit products at the same time, thereby improving the detection efficiency.

[0012] On the basis of the above technical solution, the present invention can also be improved as follows.

[0013] Furthermore, the Y-axis motion module includes a double-motor linear motor, and the double-motor linear motor includes a first guide rail, which is fixed on the machine platform. Two first movers are slidably arranged on the first guide rail, and both of the first movers are provided with an X-axis motion module.

[0014] The beneficial effects of adopting the above further solution are: the Y-direction motion module performs Y-direction transmission, adopts a double-motor linear motor, and the two first movers cooperate with each other for transmission, thereby improving transmission efficiency and achieving high positioning accuracy.

[0015] Furthermore, the X-axis motion module includes a linear motor, the linear motor includes a second guide rail, the second guide rail is fixed on the first mover and is perpendicular to the length direction of the first guide rail, a second mover is slidably arranged on the second guide rail, and the negative pressure adsorption jig is rotatably arranged on the second mover.

[0016] The beneficial effects of adopting the above further solution are: the X-direction motion module performs X-direction transmission with fast response speed and high positioning accuracy.

[0017] Furthermore, the first mover located on the side where the fine alignment unit is located is a loading side, and the other first mover is a unloading side;

[0018] A first DD motor is fixedly provided on the top surface of the second mover located on the feeding side, the rotation axis of the first DD motor is perpendicular to the top surface of the machine platform, a first connecting plate is fixedly provided on the output shaft of the first DD motor, a UVW alignment platform is fixedly provided on the top surface of the first connecting plate, and a negative pressure adsorption fixture is fixedly provided above the UVW alignment platform;

[0019] A second DD motor is fixedly installed on the top surface of the second mover located on the unloading side, the rotation axis of the second DD motor is perpendicular to the top surface of the machine, a second connecting plate is fixed on the output shaft of the second DD motor, and a negative pressure adsorption fixture is fixed on the top surface of the second connecting plate.

[0020] The beneficial effects of adopting the above further solution are: the negative pressure adsorption fixtures on the loading side and the unloading side can be rotated, the detection method is flexible, and the UVW alignment platform can also be adjusted accordingly.

[0021] Furthermore, the precision alignment unit includes a first gantry, which is fixed to the top surface of the machine platform, and is provided with a precision alignment camera, a camera trigger and a light source control module.

[0022] The beneficial effects of adopting the above further solution are: the camera trigger and light source control module controls the light source position and starts the camera, and the precision alignment camera takes pictures to detect whether the product is in the correct position.

[0023] Furthermore, the first detection unit and the second detection unit both include a second gantry, which is fixed to the top surface of the machine platform, and is provided with a detection module and a controller module.

[0024] The beneficial effect of adopting the above further solution is that the detection module detects various parameters of the product.

[0025] Furthermore, a horizontal motion module is fixedly provided on the second gantry, a vertical motion module is provided at the motion end of the horizontal motion module, a rotation module is provided at the motion end of the vertical motion module, the rotation axis of the rotation module is horizontally provided, and the detection module is fixed on the rotation end of the rotation module.

[0026] The beneficial effect of adopting the above further solution is that the detection module can be adjusted horizontally, vertically and rotationally to meet the detection requirements of different product curvatures.

[0027] Furthermore, the transfer unit includes a third gantry, which is fixed on the top surface of the machine and located between the two second gantries;

[0028] The third gantry is provided with an electric-controlled clamping arm.

[0029] The beneficial effect of adopting the above further solution is that the electrically controlled clamping arm clamps the product and exchanges positions on the two first movers.

[0030] Furthermore, the two side walls of the machine perpendicular to the movement direction of the Y-direction movement module are provided with opposing optical fibers.

[0031] The beneficial effect of adopting the above further solution is: monitoring the position of the detection module to avoid collision with the product during movement.

[0032] Furthermore, the machine table is a marble table top, a base is provided below the machine table, and a plurality of vibration isolation pads and air-floating vibration absorbers are evenly provided on the top surface of the base.

[0033] The beneficial effects of adopting the above further solution are: ensuring that the machine is placed stably, eliminating unnecessary vibration, and avoiding affecting the accuracy of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 It is an overall schematic diagram of the utility model.

[0035] Figure 2This is a schematic diagram of a machine according to the present invention.

[0036] Figure 3 for Figure 2 Enlarged view of point A.

[0037] Figure 4 This is a schematic diagram of the first DD motor of the present invention.

[0038] Figure 5 This is a schematic diagram of the second DD motor of the present invention.

[0039] Figure 6 This is a schematic diagram of the precise alignment unit of the present utility model.

[0040] Figure 7 This is a schematic diagram of the first detection unit of the present invention.

[0041] Figure 8 This is a schematic diagram of the horizontal motion module of the present utility model.

[0042] Figure 9 This is a schematic diagram of the transfer unit of the present utility model.

[0043] Figure 10 It is a schematic diagram of the base of the utility model.

[0044] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0045] 1. Machine; 2. Y-axis motion module; 3. X-axis motion module; 4. Negative pressure adsorption fixture; 5. Precision alignment unit; 6. First detection unit; 7. Transfer unit; 8. Second detection unit; 9. Optical fiber; 10. Base; 11. Isolation pad; 12. Air-floating vibration damper;

[0046] 201, first guide rail; 202, first mover;

[0047] 301, second guide rail; 302, second mover; 303, first DD motor; 304, first connecting plate; 305, UVW alignment platform; 306, second DD motor; 307, second connecting plate;

[0048] 501, first gantry; 502, precision alignment camera; 503, camera trigger and light source control module;

[0049] 601, second gantry; 602, detection module; 603, controller module; 604, horizontal motion module; 605, vertical motion module; 606, rotation module;

[0050] 701. The third gantry; 702. The electric-controlled clamping arm. DETAILED DESCRIPTION

[0051] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention.

[0052] Example 1

[0053] like Figures 1 to 10 As shown, a rectangular product and circular product edge detection platform includes an organic platform 1, on which two or more mutually parallel Y-direction motion modules 2 are provided, and the motion ends of the Y-direction motion modules 2 are each provided with an X-direction motion module 3, the motion direction of the X-direction motion module 3 being perpendicular to the Y-direction motion module 2, and a negative pressure adsorption fixture 4 being rotatably provided on the motion end of the X-direction motion module 3, the rotation axis of the negative pressure adsorption fixture 4 being perpendicular to the top surface of the machine 1, and:

[0054] A precise alignment unit 5 is used to precisely align the product above the negative pressure adsorption fixture 4;

[0055] A first detection unit 6 is used to detect the product above the negative pressure adsorption fixture 4;

[0056] The transfer unit 7 is used to clamp and transfer the product above the negative pressure adsorption fixture 4;

[0057] The second detection unit 8 is used to re-detect the product above the negative pressure adsorption fixture 4;

[0058] The precise alignment unit 5 , the first detection unit 6 , the transfer unit 7 and the second detection unit 8 are sequentially mounted above the Y-direction motion module 2 along the motion direction of the Y-direction motion module 2 .

[0059] The beneficial effects of this embodiment are: the Y-axis motion module 2 and the X-axis motion module 3 cooperate to detect the edges of rectangular products, and the Y-axis motion module 2 and the rotatable negative pressure adsorption fixture 4 cooperate to detect the edges of circular products. It can be applied to two display screen products at the same time, the detection methods are more diverse, the equipment utilization rate is high, and two sets of Y-axis motion modules 2 are used to transmit products at the same time, thereby improving the detection efficiency.

[0060] Specifically, this device is mainly used to detect display screen products. A number of air holes are opened on the negative pressure adsorption fixture 4, which are connected to the vacuum equipment. The product is placed on the negative pressure adsorption fixture 4 and the negative pressure is adsorbed on the product through the air holes. Display screen products include rectangular products such as computer screens and tablets, or round products such as watches.

[0061] When a rectangular product needs to be inspected, the rectangular product is placed on the negative pressure adsorption fixture 4, and the Y-axis motion module 2 transfers the rectangular product to the bottom of the precision alignment unit 5. The precision alignment unit 5 ensures that the rectangular product is in the correct position for subsequent work;

[0062] The Y-axis motion module 2 continues to transport the rectangular product to the bottom of the first inspection unit 6. Depending on the placement direction of the rectangular product, the first inspection unit 6 inspects the long side or short side of the rectangular product. During the inspection, the X-axis motion module 3 moves horizontally to ensure that there are no blind spots in the inspection. After the inspection, the Y-axis motion module 2 continues to transport the rectangular product to the second inspection unit 8. The second inspection unit 8 inspects the other side that was not inspected by the first inspection unit 6. After the inspection is completed, the product is transported to the other side for unloading.

[0063] When a round product needs to be inspected, the product is placed on the negative pressure adsorption fixture 4, and the Y-axis motion module 2 transfers the round product to the bottom of the precision alignment unit 5. The precision alignment unit 5 ensures that the round product is in the correct position for subsequent work;

[0064] The Y-axis motion module 2 continues to be transmitted to the bottom of the first detection unit 6. The first detection unit 6 detects the edge of the circular product. During the detection, the negative pressure adsorption fixture 4 rotates synchronously and completes a circle of detection. After the detection is completed, it is transported to the other side for unloading.

[0065] Example 2

[0066] like Figures 2 to 3 As shown, preferably, on the basis of Example 1, the Y-axis motion module 2 includes a double-motor linear motor, and the double-motor linear motor includes a first guide rail 201, and the first guide rail 201 is fixed on the machine 1, and two first movers 202 are slidingly arranged on the first guide rail 201, and the two first movers 202 are both provided with an X-axis motion module 3.

[0067] The beneficial effects of adopting the preferred solution in the above embodiment are: the Y-direction motion module 2 performs Y-direction transmission, adopts a double-motor linear motor, and the two first movers 202 cooperate with each other for transmission, thereby improving transmission efficiency and achieving high positioning accuracy.

[0068] Specifically, a linear motor refers to a transmission device that directly converts electrical energy into linear motion mechanical energy without the need for any intermediate conversion mechanism, and includes a guide rail, a stator, and a mover.

[0069] The linear motor may have several movers that can move independently of each other. The transfer unit 7 is mainly used to transfer products between the two first movers 202 .

[0070] Example 3

[0071] like Figures 2 to 3As shown, preferably, on the basis of Examples 1-2, the X-axis motion module 3 includes a linear motor, the linear motor includes a second guide rail 301, the second guide rail 301 is fixed on the first mover 202 and is perpendicular to the length direction of the first guide rail 201, the second mover 302 is slidingly arranged on the second guide rail 301, and the negative pressure adsorption jig 4 is rotatably arranged on the second mover 302.

[0072] The beneficial effects of adopting the preferred solution in the above embodiment are: the X-direction motion module 3 performs X-direction transmission with fast response speed and high positioning accuracy.

[0073] Example 4

[0074] like Figures 2 to 5 As shown, preferably, based on embodiments 1-3, the first mover 202 located on the side where the fine alignment unit 5 is located is the loading side, and the other first mover 202 is the unloading side;

[0075] A first DD motor 303 is fixedly mounted on the top surface of the second mover 302 located on the loading side. The rotation axis of the first DD motor 303 is perpendicular to the top surface of the machine platform 1. A first connecting plate 304 is fixedly mounted on the output shaft of the first DD motor 303. A UVW alignment platform 305 is fixedly mounted on the top surface of the first connecting plate 304. A negative pressure adsorption fixture 4 is fixedly mounted above the UVW alignment platform 305.

[0076] A second DD motor 306 is fixedly provided on the top surface of the second mover 302 located on the unloading side. The rotation axis of the second DD motor 306 is perpendicular to the top surface of the machine 1. A second connecting plate 307 is fixed on the output shaft of the second DD motor 306. A negative pressure adsorption fixture 4 is fixed on the top surface of the second connecting plate 307.

[0077] The beneficial effects of adopting the preferred solution in the above embodiment are: the negative pressure adsorption fixtures 4 on the loading side and the unloading side can be rotated, the detection method is flexible, and the UVW alignment platform 305 can also be adjusted in coordination.

[0078] Specifically, in this embodiment, the DD motor refers to a direct drive motor that can directly drive the motion carrier through the rotor without requiring any other transition connection in the middle, and has the advantages of simple structure and fast response speed.

[0079] A UVW alignment platform 305 is also provided on the first connecting plate 304 on the loading side. The UVW alignment platform 305 is a three-axis parallel motion mechanism, which realizes movement in three directions through the parallel motion of three linear moving axes, and cooperates with the precision alignment unit 5 to position the product to minimize errors. The UVW alignment platform 305 is not required on the unloading side.

[0080] In addition, the first DD motor 303 and the second DD motor 306 are both provided with an electric slip ring, which is an electrical equipment mainly used for ensuring electrical connection in the rotating condition.

[0081] Embodiment 5

[0082] As shown in the preferred embodiment based on the embodiments 1-4, the fine alignment unit 5 comprises a first gantry 501 fixedly arranged on the top surface of the machine table 1, and the first gantry 501 is provided with a fine alignment camera 502 and a camera trigger and light source control module 503. Figure 6 The camera trigger and light source control module 503 controls the light source position and starts the camera, and the fine alignment camera 502 takes a photo to detect whether the position of the product is correct.

[0083] Embodiment 6

[0084] As shown in the preferred embodiment based on the embodiments 1-5, the first detection unit 6 and the second detection unit 8 both comprise a second gantry 601 fixedly arranged on the top surface of the machine table 1, and the second gantry 601 is provided with a detection module 602 and a controller module 603.

[0085] Figure 7 The detection module 602 detects various parameters of the product. Figure 8 Preferably, the second gantry 601 is further provided with a horizontal motion module 604, the motion end of the horizontal motion module 604 is provided with a vertical motion module 605, the motion end of the vertical motion module 605 is provided with a rotation module 606, the rotation axis of the rotation module 606 is horizontally arranged, and the detection module 602 is fixedly arranged on the rotation end of the rotation module 606.

[0086] The detection module 602 can be adjusted in the horizontal direction, the vertical direction and the rotation direction, which meets the detection requirements of different product radii.

[0087] Specifically, in the present embodiment, the detection module 602 can be any detection item such as a camera, a microscope and a colorimeter for defect detection, colorimetric detection, optical detection and brightness detection.

[0088]

[0089]

[0090] ​​​The horizontal motion module 604 includes a horizontal threaded rod and a horizontal slide rail. A horizontal slider is slidably mounted on the horizontal slide rail. The horizontal slider is sleeved on the horizontal threaded rod and threadedly connected to the horizontal threaded rod.

[0091] The vertical motion module 605 includes a base plate fixedly mounted on the horizontal slider, a vertical slide rail and a vertical threaded rod provided on the base plate, a vertical slide rail slidingly provided on the vertical slide rail, and the vertical slide rail sleeved on the vertical threaded rod and threadedly connected to the vertical threaded rod;

[0092] The rotating module 606 includes a rotating power source, which is fixedly mounted on the vertical slider. The output shaft of the rotating power source is fixedly provided with a detection module 602.

[0093] The horizontal position of the detection module 602 is adjusted by the horizontal slider, the vertical position of the detection module 602 is adjusted by the vertical slider, and the angle of the detection module 602 is adjusted by the rotary power source to meet the detection requirements of different products with an arc of 0° to 60°.

[0094] Example 7

[0095] like Figure 9 As shown, preferably, on the basis of embodiments 1-6, the transfer unit 7 includes a third gantry 701, and the third gantry 701 is fixedly arranged on the top surface of the machine 1 and located between the two second gantries 601;

[0096] The third gantry 701 is provided with an electric-controlled clamping arm 702 .

[0097] The beneficial effect of adopting the preferred solution in the above embodiment is that the electrically controlled clamping arm 702 clamps the product and exchanges positions on the two first movers 202 .

[0098] Specifically, in this embodiment, the electric-controlled clamping arm 702 includes a lifting slide that moves vertically, a bracket is installed on the bottom of the lifting slide, and a plurality of suction cups are installed on the bottom of the bracket. The product is grabbed from the first mover 202 on the loading side through the suction cups and then placed on the first mover 202 on the unloading side.

[0099] Example 8

[0100] like Figure 1 As shown, preferably, on the basis of embodiments 1-7, the two side walls of the machine 1 perpendicular to the movement direction of the Y-direction motion module 2 are provided with opposing optical fibers 9 .

[0101] The beneficial effect of adopting the preferred solution in the above embodiment is: monitoring the position of the detection module 602 to avoid collision with the product during movement.

[0102] Specifically, the beam fiber 9 is an optical sensor typically consisting of a transmitting fiber and a receiving fiber. By placing the two fibers on either side of the object to be measured, the sensor utilizes light transmission through the fibers to measure the object's position, shape, color, and other information, determine if there is any obstruction, and then process the data to provide feedback to the control system.

[0103] Example 9

[0104] like Figure 10 As shown, preferably, on the basis of Examples 1-8, the machine table 1 is a marble table top, a base 10 is provided below the machine table 1, and a plurality of vibration isolation pads 11 and air-floating vibration absorbers 12 are evenly provided on the top surface of the base 10.

[0105] The beneficial effects of adopting the preferred solution in the above embodiment are: ensuring that the machine 1 is placed stably, eliminating unnecessary vibration, and avoiding affecting the accuracy of the equipment.

[0106] The complete testing process is:

[0107] When a rectangular product needs to be inspected, the rectangular product is placed on the negative pressure adsorption fixture 4 of the first mover 202 on the loading side. After the negative pressure adsorption fixture 4 adsorbs the rectangular product, the first mover 202 on the loading side moves to the bottom of the first gantry 501, and the precision alignment camera 502 starts taking pictures to determine whether the product position is correct. The UVW alignment platform 305 fine-tunes the position according to the feedback signal.

[0108] Then the first mover 202 on the loading side moves to the bottom of the second gantry 601 of the first inspection unit 6, and inspects the long side or short side of the rectangular product according to the placement direction of the rectangular product. During the inspection, the second mover 302 moves horizontally to ensure that the edge is fully inspected by the inspection module 602;

[0109] After detection, the first mover 202 on the loading side continues to move to the bottom of the third gantry 701, and the electric-controlled clamping arm 702 grabs the rectangular product. At this time, the first mover 202 on the loading side returns to the initial loading position, and the first mover 202 on the unloading side moves to the bottom of the third gantry 701, and the electric-controlled clamping arm 702 places the rectangular product on the first mover 202 on the unloading side;

[0110] Then the first mover 202 on the unloading side continues to be transmitted to the bottom of the second gantry 601 of the second detection unit 8 to detect the edges that have not been detected by the first detection unit 6 (that is, the first detection unit 6 detects the two long sides, and the second detection unit 8 detects the two short sides). After the detection is completed, the first mover 202 on the unloading side moves to the unloading side for unloading.

[0111] When a round product needs to be inspected, the round product is placed on the negative pressure adsorption fixture 4 of the first mover 202 on the feeding side. After the negative pressure adsorption fixture 4 adsorbs the round product, the first mover 202 on the feeding side moves to the bottom of the first gantry 501, and the precision alignment camera 502 starts taking pictures to determine whether the product position is correct. The UVW alignment platform 305 fine-tunes the position according to the feedback signal.

[0112] Then the first mover 202 on the loading side moves to the bottom of the second gantry 601 of the first inspection unit 6 for inspection. During the inspection, the first DD motor 303 rotates to ensure that the circumferential edge of the circular product is completely inspected in the inspection module 602.

[0113] After detection, the first mover 202 on the loading side continues to move to the bottom of the third gantry 701, and the electric-controlled clamping arm 702 grabs the round product. At this time, the first mover 202 on the loading side returns to the initial loading position, and the first mover 202 on the unloading side moves to the bottom of the third gantry 701, and the electric-controlled clamping arm 702 places the round product on the first mover 202 on the unloading side;

[0114] Then the first mover 202 on the unloading side moves to the unloading side to unload the material.

[0115] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation to the present invention.

[0116] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of this utility model, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0117] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, or indirect connection through an intermediate medium; internal communication between two components, or interaction between two components, unless otherwise specified. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0118] In the present invention, unless otherwise expressly specified or limited, when a first feature is "above" or "below" a second feature, it may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediary. Furthermore, when a first feature is "above," "above," or "above" a second feature, it may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is "below," "below," or "below" a second feature, it may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0119] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification and features of different embodiments or examples without contradiction.

[0120] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are illustrative and cannot be understood as limitations on the present invention. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A rectangular product and circular product edge detection platform, characterized in that: The invention comprises a machine platform (1), wherein the machine platform (1) is provided with two or more mutually parallel Y-direction motion modules (2), the motion ends of the Y-direction motion modules (2) are provided with X-direction motion modules (3), the motion direction of the X-direction motion modules (3) is perpendicular to the Y-direction motion modules (2), a negative pressure adsorption fixture (4) is rotatably provided on the motion end of the X-direction motion module (3), and the rotation axis of the negative pressure adsorption fixture (4) is perpendicular to the top surface of the machine platform (1), and: A precise alignment unit (5) for precisely aligning the product above the negative pressure adsorption fixture (4); A first detection unit (6) is used to detect the product above the negative pressure adsorption fixture (4); A transfer unit (7) is used to clamp and transfer the product above the negative pressure adsorption fixture (4); A second detection unit (8) is used to re-detect the product above the negative pressure adsorption fixture (4); The precise alignment unit (5), the first detection unit (6), the transfer unit (7) and the second detection unit (8) are sequentially mounted above the Y-direction motion module (2) along the motion direction of the Y-direction motion module (2).

2. The rectangular and circular product edge detection platform according to claim 1, characterized in that: The Y-direction motion module (2) includes a double-moving linear motor, and the double-moving linear motor includes a first guide rail (201). The first guide rail (201) is fixedly arranged on the machine platform (1). Two first movers (202) are slidably arranged on the first guide rail (201), and the two first movers (202) are both provided with an X-direction motion module (3).

3. The rectangular and circular product edge detection platform according to claim 2, characterized in that: The X-axis motion module (3) includes a linear motor, and the linear motor includes a second guide rail (301). The second guide rail (301) is fixed on the first mover (202) and is perpendicular to the length direction of the first guide rail (201). The second mover (302) is slidably arranged on the second guide rail (301), and the negative pressure adsorption jig (4) is rotatably arranged on the second mover (302).

4. The rectangular and circular product edge detection platform according to claim 3, characterized in that: The first mover (202) located on the side where the fine alignment unit (5) is located is a loading side, and the other first mover (202) is a unloading side; A first DD motor (303) is fixedly provided on the top surface of the second mover (302) located on the feeding side, the rotation axis of the first DD motor (303) is perpendicular to the top surface of the machine (1), a first connecting plate (304) is fixedly provided on the output shaft of the first DD motor (303), a UVW alignment platform (305) is fixedly provided on the top surface of the first connecting plate (304), and a negative pressure adsorption fixture (4) is fixedly provided above the UVW alignment platform (305); A second DD motor (306) is fixedly provided on the top surface of the second mover (302) located on the unloading side, the rotation axis of the second DD motor (306) is perpendicular to the top surface of the machine (1), a second connecting plate (307) is fixedly provided on the output shaft of the second DD motor (306), and a negative pressure adsorption fixture (4) is fixedly provided on the top surface of the second connecting plate (307).

5. The rectangular product and circular product edge detection platform according to claim 1, characterized in that: The precise alignment unit (5) comprises a first gantry (501), which is fixed on the top surface of the machine (1); and a precise alignment camera (502), a camera trigger and light source control module (503) are arranged on the first gantry (501).

6. The rectangular product and circular product edge detection platform according to claim 1, characterized in that: The first detection unit (6) and the second detection unit (8) both include a second gantry (601), the second gantry (601) being fixedly arranged on the top surface of the machine (1), and a detection module (602) and a controller module (603) being arranged on the second gantry (601).

7. The rectangular and circular product edge detection platform according to claim 6, characterized in that: A horizontal motion module (604) is also fixedly provided on the second gantry (601), a vertical motion module (605) is provided at the motion end of the horizontal motion module (604), a rotation module (606) is provided at the motion end of the vertical motion module (605), a rotation axis of the rotation module (606) is horizontally provided, and the detection module (602) is fixedly provided on the rotation end of the rotation module (606).

8. The rectangular and circular product edge detection platform according to claim 6, characterized in that: The transfer unit (7) includes a third gantry (701), and the third gantry (701) is fixedly arranged on the top surface of the machine (1) and located between the two second gantries (601); The third gantry (701) is provided with an electric-controlled clamping arm (702).

9. The rectangular product and circular product edge detection platform according to any one of claims 1 to 8, characterized in that: Optical fibers (9) are provided on both side walls of the machine (1) perpendicular to the movement direction of the Y-direction movement module (2).

10. The rectangular product and circular product edge detection platform according to any one of claims 1 to 8, characterized in that: The machine platform (1) is a marble tabletop, a base (10) is provided below the machine platform (1), and a plurality of vibration isolation pads (11) and air-floating vibration dampers (12) are evenly provided on the top surface of the base (10).

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