Heat-conducting silica gel pad automatic mounting and detecting equipment based on machine vision

Abstract

The utility model relates to a heat-conducting silica gel pad automatic mounting and detecting device based on machine vision. The device comprises a rack; the feeding assembly is used for feeding the heat-conducting silica gel pads; the conveying belt assembly is used for placing products; the grabbing assembly is used for grabbing the heat-conducting silica gel pad and pasting the heat-conducting silica gel pad on the product; the grabbing assembly comprises a visual detection positioning module used for detecting the positions of products on the conveying belt assembly; the sucking disc is used for sucking and releasing the heat-conducting silica gel pad; a Z-axis motion module; an X-axis motion module; a Y-axis motion module; the U-axis movement module is used for driving the suction cup to rotate; and a control unit. The full-process automation of the heat-conducting silica gel pad from automatic feeding to accurate mounting and quality detection is realized, errors caused by manual operation are greatly reduced, and the production efficiency and the product quality are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electronic equipment processing, and more specifically, to automatic mounting and detection equipment for thermal conductive silicone pads based on machine vision. Background Art

[0002] With the rapid development of science and technology, the integration of electronic equipment is increasing, and its heat dissipation needs are becoming more and more important. As the key medium between the heat source and the heat dissipation system, the effective and accurate mounting of thermal conductive silicone pads is directly related to the performance stability and service life of the equipment. The traditional manual mounting method is not only inefficient and difficult to meet the needs of large-scale production, but also due to errors caused by human factors, such as mounting position offset, angle error, etc., which seriously affect the heat dissipation effect and overall quality of the product.

[0003] In order to overcome these challenges, automated placement equipment came into being, achieving fast and accurate placement of thermal conductive silicone pads, greatly improving production efficiency and product quality. However, facing the increasingly diverse electronic product designs on the market, especially those with complex shapes, the versatility and adaptability of existing automated placement equipment seem to be insufficient.

[0004] Therefore, it is necessary to propose an automatic placement device that can prevent the placement from being skewed and has high flexibility and versatility. Utility Model Content

[0005] The main purpose of the utility model is to provide a thermal conductive silicone pad automatic mounting and detection device based on machine vision, aiming to solve the problems mentioned in the background technology.

[0006] In order to solve the above technical problems, the utility model proposes a thermal conductive silicone pad automatic mounting and detection equipment based on machine vision, including:

[0007] frame;

[0008] A loading component, used for loading the thermal conductive silicone pad;

[0009] Conveyor belt assembly for placing products;

[0010] The grabbing assembly is used to grab the thermally conductive silicone pad on the feeding assembly and stick the thermally conductive silicone pad on the product on the conveyor belt assembly; the grabbing assembly is characterized in that it includes:

[0011] A visual inspection and positioning module is used to detect the position of products on the conveyor belt assembly;

[0012] Suction cup, used to absorb and release the thermal silicone pad;

[0013] Z-axis motion module, used to drive the suction cup to move along the vertical Z-axis direction;

[0014] X-axis motion module, used to drive the suction cup to move along the horizontal X-axis direction;

[0015] The Y-axis motion module is used to drive the suction cup to move along the horizontal Y-axis direction;

[0016] U-axis motion module, used to drive the suction cup to rotate to adjust the position of the thermal conductive silicone pad on the suction cup;

[0017] and a control unit, which is electrically connected to the visual detection positioning module, the suction cup, the Z-axis motion module, the X-axis motion module, the Y-axis motion module and the U-axis motion module.

[0018] In the above technical solution, further, the visual detection and positioning module includes:

[0019] A camera to capture the position of the product on the conveyor assembly;

[0020] A controller, used to control the acquisition status of the camera;

[0021] Host computer: The image captured by the camera is transmitted to the host computer through the CameraLink bus. The host computer processes the image and obtains the position of the product.

[0022] Among them, the control unit controls the movement of the Z-axis motion module, the X-axis motion module, the Y-axis motion module and the U-axis motion module according to the product position obtained by the upper computer, and sticks the thermal conductive silicone pad on the suction cup to the position where the product is to be mounted.

[0023] In any of the above technical solutions, further, the Y-axis motion module includes:

[0024] The first slide rail has two pieces and is symmetrically arranged on the workbench of the frame;

[0025] A crossbeam, both ends of which are slidably disposed on two first slide rails;

[0026] And a first ball screw module is connected to the crossbeam and is used to drive the crossbeam to perform linear motion on the first slide rail.

[0027] In any of the above technical solutions, further, the X-axis motion module includes:

[0028] The second slide rail is arranged on the cross beam along the length direction of the cross beam;

[0029] A first sliding seat, slidably disposed on the second sliding rail;

[0030] And a second ball screw module is connected to the first sliding seat and is used to drive the first sliding seat to perform linear motion on the second sliding rail.

[0031] In any of the above technical solutions, further, the Z-axis motion module includes:

[0032] A vertical side plate, disposed on the first sliding seat;

[0033] A third slide rail is arranged on the vertical side plate along the vertical direction;

[0034] A second sliding seat is slidably disposed on the third sliding rail;

[0035] And a third ball screw module is connected to the second sliding seat and is used to drive the second sliding seat to perform linear motion on the third sliding rail.

[0036] In any of the above technical solutions, further, the U-axis motion module includes:

[0037] A horizontal plate, disposed on the second sliding seat;

[0038] and a hollow rotating motor, which is arranged on the horizontal plate;

[0039] Wherein, the suction cup is arranged on the output shaft of the hollow rotating motor.

[0040] In any of the above technical solutions, further, the suction cup includes

[0041] Suction cup body;

[0042] A hollow shaft connected to the suction cup body;

[0043] Negative pressure tube, used to generate negative pressure;

[0044] The hollow shaft is connected to the output shaft of the hollow rotating motor, and the negative pressure tube passes through the hollow rotating motor and is connected to the hollow shaft, so as to enable the suction cup body to generate negative pressure to absorb the thermal conductive silicone pad.

[0045] Beneficial effects: Compared with the prior art, the thermal conductive silicone pad automatic placement and detection equipment based on machine vision provided by this application is a highly integrated and intelligent production line solution designed to improve the accuracy and efficiency of electronic product manufacturing. The equipment combines a precise mechanical structure with advanced machine vision technology to achieve full automation of the thermal conductive silicone pad from automatic loading to precise placement and quality inspection, greatly reducing the errors caused by manual operation and improving production efficiency and product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0046] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0047] Figure 1 It is a structural schematic diagram of the utility model;

[0048] Figure 2 It is a structural schematic diagram of the grabbing assembly of the utility model;

[0049] Figure 3 It is a structural schematic diagram of the Z-axis motion module, U-axis motion module and suction cup of the utility model;

[0050] Figure 4 It is a control block diagram of the control unit of the utility model.

[0051] The following are the descriptions of the reference numerals:

[0052] 100, rack; 200, loading assembly; 300, conveyor belt assembly; 400, grab assembly; 410, visual inspection and positioning module; 411, camera; 412, controller; 413, host computer; 414, ring light source; 420, suction cup; 421, suction cup body; 422, hollow shaft; 423, negative pressure tube; 430, Z-axis motion module; 431, vertical side plate; 432, third slide rail; 433, first Second sliding seat; 434, third ball screw module; 435, frame; 440, X-axis motion module; 441, second slide rail; 442, first sliding seat; 443, second ball screw module; 450, Y-axis motion module; 451, first slide rail; 452, crossbeam; 453, first ball screw module; 460, U-axis motion module; 461, cross plate; 462, hollow rotating motor; 470, control unit. DETAILED DESCRIPTION

[0053] Below, the example embodiments according to the present application will be described in detail with reference to the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application, and it should be understood that the present application is not limited to the example embodiments described herein. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0054] It should be noted that, as shown in this application and claims, unless the context clearly indicates an exception, the words "a", "an", "a kind" and / or "the" do not specifically refer to the singular, but may also include the plural. Generally speaking, the terms "include" and "comprise" only indicate the inclusion of clearly identified steps and elements, and these steps and elements do not constitute an exclusive list, and the method or device may also include other steps or elements.

[0055] If the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indications will also change accordingly.

[0056] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0057] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing in the full text includes three parallel schemes. Taking "A and / or B" as an example, it includes scheme A, or scheme B, or a scheme that satisfies both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0058] The utility model proposes a thermal conductive silicone pad automatic mounting and detection device based on machine vision, which realizes the detection of product position by utilizing a visual detection positioning module, so that the thermal conductive silicone can be accurately mounted on the position where the product is to be mounted.

[0059] The following embodiments will be used to describe the automatic mounting and testing equipment of the present application in detail.

[0060] Embodiment 1:

[0061] like Figure 1-Figure 4 As shown, in this embodiment, a thermal conductive silicone pad automatic mounting and detection device based on machine vision includes:

[0062] The frame 100; a loading assembly 200 for loading the thermal conductive silicone pad; a conveyor belt assembly 300 for placing products; a grabbing assembly 400 for grabbing the thermal conductive silicone pad on the loading assembly 200 and pasting the thermal conductive silicone pad on the product on the conveyor belt assembly 300; the grabbing assembly 400 includes: a visual detection and positioning module 410 for detecting the position of the product on the conveyor belt assembly 300; a suction cup 420 for sucking and releasing the thermal conductive silicone pad; a Z-axis motion module 430 for driving the suction cup 420 to move along the vertical Z-axis direction; an X-axis motion module 440, used to drive the suction cup 420 to move along the horizontal X-axis direction; a Y-axis motion module 450, used to drive the suction cup 420 to move along the horizontal Y-axis direction; a U-axis motion module 460, used to drive the suction cup 420 to rotate to adjust the position of the thermal conductive silicone pad on the suction cup 420; and a control unit 470, which is electrically connected to the visual detection positioning module 410, the suction cup 420, the Z-axis motion module 430, the X-axis motion module 440, the Y-axis motion module 450 and the U-axis motion module 460.

[0063] The rack 100, as the supporting foundation of the entire equipment, is constructed of high-strength, corrosion-resistant materials to ensure stable operation of the equipment while facilitating subsequent maintenance and upgrades. Its reasonable structural design not only ensures sufficient rigidity and stability, but also takes into account the convenience of operation, making it easy for operators to perform daily maintenance and debugging.

[0064] The feeding assembly 200 ensures that the thermal conductive silicone pad can be continuously and stably supplied to the designated location. The assembly has a built-in intelligent sensor that can monitor the material inventory in real time and automatically issue an alarm when the inventory is low, reminding the operator to replenish it in time, effectively avoiding production interruptions.

[0065] The conveyor belt assembly 300 is driven by a high-precision servo motor to ensure that the product moves forward at a constant speed and in a stable posture. A positioning device is provided on the conveyor belt, which works closely with the visual inspection positioning module 410 to achieve accurate positioning of the product and facilitate subsequent mounting operations.

[0066] The grabbing assembly 400 is the core part of the device.

[0067] Among them, the visual inspection and positioning module 410 uses a high-resolution industrial camera 411 and advanced image processing algorithms, which can capture and analyze the position, posture and size information of the product on the conveyor belt in real time, and provide data support for subsequent precise mounting. The suction cup 420 has good sealing and adsorption force, and can easily absorb and firmly fix the thermal conductive silicone pad by using negative pressure, and quickly release it after the mounting is completed to avoid damage to the product. The Z-axis motion module 430 is driven by a precision lead screw or linear guide to achieve fast and accurate movement of the suction cup 420 in the vertical direction, ensuring that the thermal conductive silicone pad can be mounted to the specified position of the product. The X-axis and Y-axis motion modules 450 also use high-precision drive elements to achieve two-dimensional movement of the suction cup 420 on the horizontal plane, and cooperate with the data of the visual inspection and positioning module 410 to complete precise positioning and mounting under complex paths. Regarding the U-axis motion module 460, it is a unique rotation design of this application, which allows the suction cup 420 to fine-tune the thermal conductive silicone pad before mounting, ensuring that its fit with the product surface is optimal, and further improving the mounting quality. As the "brain" of the entire device, the control unit 470 integrates an advanced PLC control system and a human-machine interface. It is responsible for receiving data from the visual detection and positioning module 410, and coordinating the actions of each motion module according to the preset program to achieve automatic placement of the thermal conductive silicone pad. At the same time, the control unit 470 also has fault diagnosis and self-protection functions. Once an abnormal situation is found, it can immediately shut down and issue an alarm to ensure production safety.

[0068] In this embodiment, specifically, the Y-axis motion module 450 includes: a first slide rail 451, which has two and is symmetrically arranged on the workbench of the frame 100; a beam 452, whose two ends are respectively slidably arranged on the two first slide rails 451; and a first ball screw module 453, which is connected to the beam 452 and is used to drive the beam 452 to perform linear motion on the first slide rail 451.

[0069] The X-axis motion module 440 includes: a second slide rail 441, which is arranged on the beam 452 along the length direction of the beam 452; a first sliding seat 442, which is slidably arranged on the second slide rail 441; and a second ball screw module 443, which is connected to the first sliding seat 442 and is used to drive the first sliding seat 442 to perform linear motion on the second slide rail 441.

[0070] The Z-axis motion module 430 includes: a vertical side plate 431, which is arranged on the first sliding seat 442; a third slide rail 432, which is arranged on the vertical side plate 431 along the vertical direction; a second sliding seat 433, which is slidably arranged on the third slide rail 432; and a third ball screw module 434, which is connected to the second sliding seat 433 and is used to drive the second sliding seat 433 to perform linear motion on the third slide rail 432.

[0071] As the main moving component in the horizontal direction, the Y-axis motion module 450 is designed with full consideration of stability and precision. The two first slide rails 451 symmetrically arranged on the workbench of the rack 100 not only provide solid support for the movement of the beam 452, but also ensure the stability and linearity of the beam 452 during the movement through their parallel and precise layout. The two ends of the beam 452 are connected to the two slide rails through a precise sliding mechanism, respectively, to achieve low friction and high-precision sliding. Among them, the first ball screw module 453 is used as a driving source, and the efficient transmission characteristics of the ball screw are used to convert the rotational motion of the motor into the linear motion of the beam 452. This design not only improves the transmission efficiency, but also greatly reduces the positioning error caused by mechanical friction and clearance, ensuring high-precision positioning in the Y-axis direction. The design of the Y-axis motion module 450 enables the beam 452 to achieve fast, stable and high-precision movement in the horizontal direction, providing a stable platform for subsequent X-axis and Z-axis movements.

[0072] The X-axis motion module 440 further refines the movement accuracy on the beam 452, and the second slide rail 441 arranged along the length direction of the beam 452 provides accurate guidance for the first slide seat 442. The first slide seat 442 cooperates closely with the second slide rail 441 through the sliding mechanism to achieve flexible movement on the beam 452.

[0073] The Z-axis motion module 430 is responsible for precise positioning and movement in the vertical direction. The vertical side plate 431 is used as a supporting structure and is firmly mounted on the first sliding seat 442, providing a stable platform for subsequent Z-axis motion.

[0074] In this embodiment, specifically, the U-axis motion module 460 includes: a horizontal plate 461 disposed on the second sliding seat 433 ; and a hollow rotating motor 462 disposed on the horizontal plate 461 ; wherein the suction cup 420 is disposed on the output shaft of the hollow rotating motor 462 .

[0075] By setting up the U-axis motion module 460, the rotation adjustment function of the suction cup 420 during the mounting process is realized. The hollow rotary motor 462 is the core driving component of the U-axis motion module 460, and is arranged on the horizontal plate 461. The motor adopts a hollow design, that is, there is a through hole in the center of the output shaft of the motor. This design allows other components (such as cables, air pipes, etc.) to pass through while the motor rotates, thereby avoiding the problem of cable entanglement or interference during rotation. The hollow rotary motor 462 has the characteristics of high precision, high torque and fast response, and can accurately control the rotation angle and speed to meet the strict requirements for rotation accuracy during the mounting process.

[0076] The suction cup 420 includes a suction cup 420 body; a hollow shaft 422, which is connected to the suction cup 420 body; and a negative pressure tube 423, which is used to generate negative pressure; wherein the hollow shaft 422 is connected to the output shaft of the hollow rotating motor 462, and the negative pressure tube 423 is connected to the hollow shaft 422 after passing through the hollow rotating motor 462, so as to enable the suction cup 420 body to generate negative pressure to absorb the thermal conductive silicone pad.

[0077] The suction cup 420 is used as a gripping and mounting tool for the thermally conductive silicone pad and is directly arranged on the output shaft of the hollow rotating motor 462. In this way, when the motor rotates, the suction cup 420 will rotate synchronously therewith to achieve the rotation adjustment of the thermally conductive silicone pad.

[0078] The design of the U-axis motion module 460 enables the entire mounting system to add a rotational degree of freedom (U-axis) on the basis of the three-axis linear motion of X, Y, and Z, thereby greatly enhancing the flexibility of the system. This design enables the thermal conductive silicone pad to be mounted at any angle, meeting the needs of mounting on complex curved surfaces or special angles. Whether it is a flat surface, curved surface or a complex shape product, the appropriate mounting angle and position can be found through rotation adjustment. The versatility and adaptability of the entire mounting system are improved.

[0079] In this embodiment, specifically, the visual inspection and positioning module 410 includes: a camera 411, which is used to collect the product position on the conveyor belt assembly 300; a controller 412, which is used to control the collection state of the camera 411; a host computer 413, the image collected by the camera 411 is transmitted to the host computer 413 through the CameraLink bus, and the host computer 413 performs image processing and obtains the position of the product;

[0080] Among them, the control unit 470 controls the movement of the Z-axis motion module 430, the X-axis motion module 440, the Y-axis motion module 450 and the U-axis motion module 460 according to the product position processed by the upper computer 413, and sticks the thermal conductive silicone pad on the suction cup 420 to the position where the product is to be mounted.

[0081] As a key component of the entire automated placement and inspection equipment, the detailed design and technical implementation of the visual inspection and positioning module 410 are crucial to ensuring placement accuracy and efficiency.

[0082] The camera 411 adopts a high-definition, high-sensitivity industrial-grade camera 411, equipped with appropriate optical lenses to meet the inspection requirements of products of different sizes and shapes. The camera 411 is carefully installed in a suitable position to ensure that the image of the product on the conveyor belt assembly 300 can be captured comprehensively and without blind spots. Specifically, a frame 435 is installed on the vertical side plate 431, and the frame 435 wraps the entire Z-axis motion module 430. On the one hand, it plays a protective role for the Z-axis motion module 430. On the other hand, the camera 411 is installed on the frame 435 through a bracket, and its lens end is set vertically downward. A ring light source 414 surrounding the lens of the camera 411 is also arranged on the frame 435 to achieve a lighting effect, thereby improving the capture accuracy of the camera 411.

[0083] The host computer 413, as the core device for image processing, receives the raw image data from the camera 411 through the CameraLink high-speed bus. The bus ensures fast and lossless transmission of image data with its high bandwidth and low latency.

[0084] The precise control and dynamic adjustment functions of the control unit 470 enable the automated, high-precision placement of thermal conductive silicone pads. Through real-time monitoring and dynamic adjustment mechanisms, the control unit 470 can ensure the accuracy and consistency of placement positions, improving production efficiency and product quality.

[0085] It should be noted that after the product is mounted, the visual inspection and positioning module 410 needs to inspect the product on the conveyor belt assembly 300 again to check whether a thermal conductive silicone pad is mounted on the product.

[0086] The embodiments of the present disclosure have been described above, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The selection of terms used herein is intended to best explain the principles of the embodiments, practical applications, or improvements to the technology in the market, or to enable other persons of ordinary skill in the art to understand the embodiments disclosed herein.

Claims

1. A thermal conductive silicone pad automatic placement and detection equipment based on machine vision, comprising: Rack(100); A loading component (200) is used to load the thermally conductive silicone pad; A conveyor belt assembly (300) for placing products; The grabbing assembly (400) is used to grab the thermally conductive silicone pad on the feeding assembly (200) and stick the thermally conductive silicone pad on the product on the conveyor belt assembly (300); the grabbing assembly (400) is characterized in that the grabbing assembly (400) comprises: A visual detection and positioning module (410) for detecting the position of a product on the conveyor belt assembly (300); A suction cup (420) for sucking and releasing the thermal conductive silicone pad; A Z-axis motion module (430), used for driving the suction cup (420) to move along a vertical Z-axis direction; An X-axis motion module (440) is used to drive the suction cup (420) to move along a horizontal X-axis direction; A Y-axis motion module (450), used for driving the suction cup (420) to move along a horizontal Y-axis direction; A U-axis motion module (460) is used to drive the suction cup (420) to rotate so as to adjust the position of the thermally conductive silicone pad on the suction cup (420); and a control unit (470) electrically connected to the visual detection positioning module (410), the suction cup (420), the Z-axis motion module (430), the X-axis motion module (440), the Y-axis motion module (450), and the U-axis motion module (460).

2. The automatic placement and detection equipment for thermal conductive silicone pads based on machine vision according to claim 1, characterized in that: The visual detection and positioning module (410) comprises: A camera (411) for collecting the position of products on the conveyor belt assembly (300); A controller (412), used for controlling the acquisition state of the camera (411); A host computer (413), the image captured by the camera (411) is transmitted to the host computer (413) via a CameraLink bus, and the host computer (413) performs image processing and obtains the position of the product; The control unit (470) controls the movement of the Z-axis motion module (430), the X-axis motion module (440), the Y-axis motion module (450) and the U-axis motion module (460) according to the product position processed by the host computer (413), and sticks the thermal conductive silicone pad on the suction cup (420) to the position where the product is to be mounted.

3. The thermal conductive silicone pad automatic mounting and detection equipment based on machine vision as claimed in claim 1, characterized in that: The Y-axis motion module (450) comprises: The first slide rails (451) have two sections and are symmetrically arranged on the workbench of the frame (100); A crossbeam (452), two ends of which are respectively slidably disposed on the two first slide rails (451); and a first ball screw module (453), connected to the crossbeam (452) and used for driving the crossbeam (452) to perform linear motion on the first slide rail (451).

4. The automatic placement and detection equipment for thermal conductive silicone pads based on machine vision as claimed in claim 3, characterized in that: The X-axis motion module (440) comprises: A second slide rail (441) is arranged on the crossbeam (452) along the length direction of the crossbeam (452); A first sliding seat (442) is slidably disposed on the second sliding rail (441); and a second ball screw module (443), connected to the first sliding seat (442) and used for driving the first sliding seat (442) to perform linear motion on the second sliding rail (441).

5. The automatic placement and detection equipment for thermal conductive silicone pads based on machine vision according to claim 4, characterized in that: The Z-axis motion module (430) comprises: A vertical side plate (431) disposed on the first sliding seat (442); A third slide rail (432) is arranged on the vertical side plate (431) along the vertical direction; A second sliding seat (433) is slidably disposed on the third sliding rail (432); and a third ball screw module (434), connected to the second sliding seat (433) and used for driving the second sliding seat (433) to perform linear motion on the third sliding rail (432).

6. The automatic placement and detection equipment for thermal conductive silicone pads based on machine vision according to claim 5, characterized in that: The U-axis motion module includes: A horizontal plate (461) is arranged on the second sliding seat (433); and a hollow rotating motor (462) disposed on the transverse plate (461); Wherein, the suction cup (420) is arranged on the output shaft of the hollow rotating motor (462).

7. The automatic placement and detection equipment for thermal conductive silicone pads based on machine vision according to claim 6, characterized in that: The suction cup (420) comprises Suction cup (420) body; A hollow shaft (422) connected to the suction cup (420) body; A negative pressure tube (423), used for generating negative pressure; The hollow shaft (422) is connected to the output shaft of the hollow rotating motor (462), and the negative pressure tube (423) passes through the hollow rotating motor (462) and is connected to the hollow shaft (422), so as to enable the suction cup (420) body to generate negative pressure to absorb the thermally conductive silicone pad.

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