Chip Mounter

Abstract

The present application provides a patch machine, including a loading component, a carrier component for supporting and fixing products, a material moving component for moving products onto the carrier component, a material feeding component for supplying parts to be patched, and a patch component for mounting products on parts to be patched; automatic patching is achieved through the loading component, the front-track imaging component, the front-track blowing component, the carrier component, the front-track correction component, the material moving component, the material feeding component, and the patch component. The image of the product delivered by the loading component can be obtained by the front-track imaging component, and the appearance quality, position, and direction of the product can be identified. If there are defects and upright materials in the product, the front-track blowing component will remove the product to avoid the problem of poor patch effect due to quality defects. The front-track correction component can correct the position of the product, improve the accuracy of the product fixed on the carrier component, improve the subsequent patch accuracy of the product, and avoid the problem of poor patch effect due to position displacement of the product.

Description

Technical Field

[0001] The present application belongs to the field of chip placement technology, and more specifically, relates to a chip placement machine. Background Art

[0002] A placement machine is a device used to place products on PCBs (Printed Circuit Boards). It primarily consists of a loading assembly for supplying products, a feeding assembly for supplying PCBs, a carrier assembly for supporting and securing the products, a transfer assembly for transferring products from the loading assembly to the carrier assembly, a placement assembly for picking up products from the carrier assembly and placing them on the PCB, and a discharge assembly for removing the PCB after placement. The coordination of the loading assembly, feeding assembly, carrier assembly, transfer assembly, placement assembly, and discharge assembly enables automated placement operations.

[0003] However, some of the multiple products supplied by the loading assembly have quality defects and cannot be removed, which affects the quality of the patch. Moreover, the position of the products will shift when they are transferred from the loading assembly to the carrier assembly, affecting the patch accuracy. Summary of the Invention

[0004] The purpose of the embodiments of the present application is to provide a placement machine to solve the problem existing in the related art: the product has poor placement effect due to quality defects and position deviation.

[0005] To achieve the above objectives, the technical solutions adopted in the embodiments of the present application are:

[0006] Provided is a chip placement machine, comprising:

[0007] Loading assembly, used to supply products to the loading position;

[0008] A front-of-rail imaging component, provided on one side of the loading position, for acquiring image information of the product;

[0009] A front-rail blowing assembly is provided on the other side of the loading position and is used to remove unqualified products;

[0010] A carrier assembly, arranged opposite to the loading assembly, for supporting and fixing the product;

[0011] A front-rail correction component, located above the carrier component, for correcting the product;

[0012] A material transfer assembly is provided between the loading assembly and the carrier assembly, and is used to transfer the qualified products to the front-track correction assembly for correction, and to transfer the corrected products to the carrier assembly;

[0013] A feeding assembly, arranged opposite to the carrier assembly, for supplying the parts to be mounted to the mounting position;

[0014] The patch component is arranged at the patch position, and is used to pick up the product on the carrier component and mount the product on the part to be patched.

[0015] This structure, the present application is provided with a loading component for supplying products, a carrier component for supporting and fixing products, a material transfer component for moving products from the loading component to the carrier component, a material feeding component for supplying parts to be mounted, and a patch component for picking up products on the carrier component and mounting them on parts to be mounted; the automatic patch operation of the patch machine can be realized through the loading component, the carrier component, the material transfer component, the material feeding component and the patch component. The image of the product delivered by the loading component can be obtained by the front-track imaging component, and then the appearance quality, position and direction of the product can be identified. If there are defects and vertical materials in the product, the unqualified products will be removed by the front-track blowing component, so as to avoid the problem of poor patch effect due to quality defects of the product. The position of the product can be corrected by the front-track correction component to improve the accuracy of the product fixed on the carrier component, and then the subsequent patch accuracy of the product can be improved, so as to avoid the problem of poor patch effect due to position offset of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the embodiments or exemplary technical descriptions. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0017] Figure 1 A schematic diagram of the three-dimensional structure of a chip mounter provided in an embodiment of the present application;

[0018] Figure 2 Schematic diagram of the three-dimensional structure of the loading position provided in the embodiment of this application Figure 1 ;

[0019] Figure 3 A partial cross-sectional schematic diagram of a direct vibration track provided in an embodiment of the present application;

[0020] Figure 4 A schematic cross-sectional view of a rail front blowing assembly provided in an embodiment of the present application;

[0021] Figure 5 A partially exploded schematic diagram of a material transfer assembly provided in an embodiment of the present application;

[0022] Figure 6 Schematic diagram of the three-dimensional structure of the loading position provided in the embodiment of this application Figure 2 ;

[0023] Figure 7 A schematic diagram of the three-dimensional structure of the connection between the carrier assembly and the loading and correction assembly provided in an embodiment of the present application;

[0024] Figure 8 A schematic diagram of the three-dimensional structure of the carrier body provided in an embodiment of the present application;

[0025] Figure 9 A partially exploded schematic diagram of a loading and correction assembly provided in an embodiment of the present application;

[0026] Figure 10 A schematic diagram of the three-dimensional structure of the correction unit provided in an embodiment of the present application;

[0027] Figure 11 A schematic diagram of the three-dimensional structure of the feeding assembly provided in an embodiment of the present application;

[0028] Figure 12 A schematic diagram of the three-dimensional structure of the patch assembly provided in an embodiment of the present application;

[0029] Figure 13 A schematic diagram of the three-dimensional structure of the guide seat provided in an embodiment of the present application;

[0030] Figure 14 for Figure 13 Schematic diagram of the cross section in the AA direction;

[0031] Figure 15 This is an enlarged schematic diagram of a guide seat at position B provided in one embodiment of the present application;

[0032] Figure 16 An enlarged schematic diagram of a guide seat at position B provided in another embodiment of the present application;

[0033] Figure 17 A schematic diagram of the three-dimensional structure of the patch blanking assembly provided in an embodiment of the present application.

[0034] Among them, the main marks of the drawings in the figure are:

[0035] 1. Loading assembly; 11. Storage hopper; 12. Vibrating plate; 121. Straight vibration track; 13. Air blowing nozzle in front of track; 14. Rear suction nozzle; 15. Lower suction nozzle;

[0036] 2. Track-front imaging component; 21. Detection unit; 22. Camera unit;

[0037] 3. Front-rail blowing assembly; 31. Waste box; 32. First blowing seat; 321. First blowing channel; 33. First blowing nozzle; 34. Second blowing seat; 341. Second blowing channel; 35. Second blowing nozzle;

[0038] 4. Carrier assembly; 41. Carrier base; 42. Carrier body; 421. Negative pressure port; 422. Carrier base; 423. Carrier top seat; 424. Receiving slot; 43. Carrier power unit; 44. Carrier imaging unit;

[0039] 5. Rail front correction assembly; 51. Rail front correction seat; 511. Rail front correction hole;

[0040] 6. Material transfer assembly; 61. Material transfer seat; 62. Material transfer nozzle; 63. Material transfer swing seat; 64. Material transfer drive unit; 641. Material transfer rotating wheel; 642. Material transfer belt; 643. Material transfer motor; 644. Material transfer eccentric wheel; 65. Material transfer rotary motor; 66. Material transfer mounting seat;

[0041] 7. Feeding assembly; 71. Feeding base; 72. Feeding slide seat; 721. Feeding slide base; 722. Feeding side seat; 723. Feeding wheel; 724. Feeding belt; 725. Feeding motor; 726. Feeding upper clamping plate; 727. Feeding lower clamping plate; 728. Feeding clamping cylinder; 729. Feeding stop seat; 720. Feeding stop cylinder; 73. Feeding power unit; 74. Feeding calibration seat; 75. Feeding calibration cylinder;

[0042] 8. Patch assembly; 81. Patch seat; 82. Patch sliding seat; 821. Patch sliding plate; 822. Patch positioning seat; 823. Positioning guide rod; 83. Patch nozzle; 84. Patch power unit; 85. Guide seat; 850. Positioning hole; 851. Guide hole; 852. First guide surface; 8521. Guide surface; 8522. Avoidance surface; 8523. Step portion; 8524. First correction surface; 8525. Second correction surface; 853. Second guide surface; 8531. First guide surface; 8532. Second guide surface; 8533. Third guide surface; 86. Detector; 87. Patch traverse unit;

[0043] 9. Loading correction assembly; 91. Loading correction seat; 911. Limit stopper; 912. First adjustment seat; 913. Second adjustment seat; 914. Third adjustment seat; 915. Transverse movement control unit; 916. Longitudinal movement control unit; 917. Lifting control unit; 92. Correction unit; 921. Rotating seat; 922. Correction wheel; 923. Correction elastic member; 924. Rotating shaft; 925. Internal threaded hole; 926. Adjusting screw; 927. Threaded hole; 928. Locking member;

[0044] 10. Patch blanking assembly; 101. Patch blanking side seat; 102. Patch blanking wheel; 103. Patch blanking belt; 104. Patch blanking motor. DETAILED DESCRIPTION

[0045] In order to make the technical problems, technical solutions and beneficial effects to be solved by this application more clearly understood, this application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this application and are not intended to limit this application.

[0046] It should be noted that when an element is referred to as being “fixed on” or “disposed on” another element, it may be directly on the other element or indirectly on the other element. When an element is referred to as being “connected to” another element, it may be directly connected to the other element or indirectly connected to the other element.

[0047] In addition, the terms "first," "second," and "third" are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the number of the technical features indicated. Therefore, a feature defined as "first," "second," or "third" may explicitly or implicitly include one or more of the features. In the description of this application, "multiple" means two or more, unless otherwise clearly and specifically defined. "Several" means one or more, unless otherwise clearly and specifically defined.

[0048] In the description of this application, it should be understood that the terms "center", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing this application 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 cannot be understood as a limitation on this application.

[0049] In the description of this application, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; they can refer to internal communication between two components or the interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on the specific circumstances.

[0050] Reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present application. Thus, when the phrases "in one embodiment" or "in some embodiments" appear in various places throughout this specification, not all references are to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

[0051] For ease of description, we define three mutually perpendicular coordinate axes in space as the X-axis, the Y-axis, and the Z-axis. The direction along the X-axis is the longitudinal direction, the direction along the Y-axis is the transverse direction, and the direction along the Z-axis is the vertical direction. The X-axis and Y-axis are two mutually perpendicular coordinate axes in the same horizontal plane, and the Z-axis is the vertical coordinate axis. The X-axis, Y-axis, and Z-axis are located in three mutually perpendicular planes in space: the XY plane, the YZ plane, and the XZ plane. The XY plane is a horizontal plane, the XZ plane and the YZ plane are both vertical planes, and the XZ plane is perpendicular to the YZ plane. The three axes in space are the X-axis, Y-axis, and Z-axis. Movement along these three axes in space refers to movement along the three mutually perpendicular axes in space, specifically movement along the X-axis, Y-axis, and Z-axis in space. Planar movement, on the other hand, refers to movement in the XY plane.

[0052] See also Figure 1 , the chip placement machine provided by the embodiment of the present application is now described. The chip placement machine includes a loading component 1, a front-track imaging component 2, a front-track blowing component 3, a carrier component 4, a front-track correction component 5, a material moving component 6, a feeding component 7 and a chip placement component 8; it may also include a frame, and the loading component 1, the front-track imaging component 2, the front-track blowing component 3, the carrier component 4, the front-track correction component 5, the material moving component 6, the feeding component 7 and the chip placement component 8 can be installed on the frame respectively. A main control system can be installed in the frame, and the loading component 1, the front-track imaging component 2, the front-track blowing component 3, the carrier component 4, the material moving component 6, the feeding component 7 and the chip placement component 8 can be electrically connected to the main control system respectively, and the main control system can provide necessary signal control, etc.

[0053] The loading assembly 1 is used to supply products to the loading position. Figure 1 and Figure 3The loading component 1 may include a storage hopper 11 and a vibration plate 12 connected to the storage hopper 11. The vibration plate 12 has a straight vibration track 121. The end of the straight vibration track 121 away from the storage hopper 11 may be the loading position. The straight vibration track 121 may be provided with a front-track air blowing nozzle 13. The front-track air blowing nozzle 13 may be provided above the straight vibration track 121 to accelerate the product to the loading position, thereby improving the loading efficiency of the product. The straight vibration track 121 may be provided with a rear suction nozzle 14 and a lower suction nozzle 15 at the loading position. The rear suction nozzle 14 is in a normal suction state, and the lower suction nozzle 15 is controlled to open and close by an electromagnetic valve. When the product reaches the loading position, the rear suction nozzle 14 and the lower suction nozzle 15 open and realize the adsorption and fixation of the product; when the material transfer component 6 picks up the product at the loading position, the lower suction nozzle 15 closes, thereby facilitating the material transfer component 6 to remove the product at the loading position, thereby improving the operation rate of the placement machine and reducing the downtime rate, thereby improving production efficiency.

[0054] Optionally, two positive pressure control valves, one connected to the rear suction nozzle 14 and the other to the lower suction nozzle 15, can be installed on the machine frame. If impurities carried by the product enter the channel, the two positive pressure control valves can blow air into the rear suction nozzle 14 and the other to expel the impurities. The rear suction nozzle 14 and the lower suction nozzle 15 can blow air simultaneously; alternatively, the rear suction nozzle 14 can blow air while the lower suction nozzle 15 does not; or alternatively, the rear suction nozzle 14 does not blow air while the lower suction nozzle 15 does.

[0055] See also Figure 1 The front-track imaging component 2 is located on one side of the loading station and is used to obtain image information of the product at the loading station. The front-track blowing component 3 is located on the other side of the loading station and is used to reject unqualified products. The carrier component 4 is located opposite the loading station and is used to support and fix the products. The front-track correction component 5 can be located above the carrier component 4 and is used to correct the products. The material transfer component 6 can be located between the loading component 1 and the carrier component 4 and is used to move qualified products to the front-track correction component 5 for correction, and then move the corrected products to the carrier component 4. The feeding component 7 can be located next to the carrier component 4 and is used to supply the parts to be mounted to the mounting station. Here, the parts to be mounted can be PCB boards. The mounting component 8 can be located at the mounting station and is used to pick up the products on the carrier component 4 and mount them on the parts to be mounted. The mounting blanking component 10 can be connected to the feeding component 7 and is used to receive the mounted parts to be mounted so that they can be moved to the next station.

[0056] This structure, the present application can realize the automatic patch operation of the patch machine through the loading component 1, the front-track imaging component 2, the front-track blowing component 3, the carrier component 4, the material moving component 6, the feeding component 7 and the patch component 8. The image of the product delivered by the loading component 1 can be obtained by the front-track imaging component 2, and then the appearance quality, position and direction of the product can be identified. If there are defects and vertical materials in the product, the unqualified products will be removed by the front-track blowing component 3, so as to avoid the problem of poor patch effect due to quality defects of the product. The position of the product can be corrected by the front-track correction component 5, and the accuracy of the product fixed on the carrier component 4 can be improved, thereby improving the subsequent patch accuracy of the product, so as to avoid the problem of poor patch effect due to position offset of the product.

[0057] In one embodiment, see Figure 2 The placement machine also includes a detection unit 21 mounted on the loading assembly 1; the front-of-track imaging assembly 2 includes a camera unit 22, located between the camera unit 22 and the loading station. With this structure, the detection unit 21 can detect the presence of a product at the loading station; the camera unit 22 can capture the product's appearance, quality, position, and orientation, thereby determining the product's polarity.

[0058] In one embodiment, the detection unit 21 can be a beaming optical fiber, which can be tilted to provide a clear path for the camera unit 22. Of course, the detection unit 21 can also be a position detector, infrared monitor, etc. The camera unit 22 can include a structure consisting of a camera, a light source, and a reflector.

[0059] In one embodiment, see Figure 2 and Figure 4 The pre-track blowing assembly 3 includes a waste box 31, a first blowing seat 32, and a first blowing nozzle 33. The first blowing seat 32 defines a first blowing channel 321 that communicates with the waste box 31; the first blowing nozzle 33 is mounted on the first blowing seat 32. With this structure, when the pre-track imaging assembly 2 detects a defective product, the transfer assembly 6 picks up the defective product. The first blowing nozzle 33 blows the defective product into the first blowing channel 321, which then deposits it into the waste box 31.

[0060] In one embodiment, see Figure 2 and Figure 4The front-rail blowing assembly 3 also includes a second blowing seat 34 and a second blowing nozzle 35. The second blowing seat 34 is connected to the first blowing seat 32 and spaced apart from the first blowing seat 32. A second blowing channel 341 is defined on the second blowing seat 34 and communicates with the waste box 31. The second blowing nozzle 35 is mounted on the second blowing seat 34. This structure allows the second blowing seat 34 to blow unqualified products from the carrier assembly 4 into the second blowing channel 341, where they are then deposited into the waste box 31.

[0061] In one embodiment, see Figure 5 The material transfer assembly 6 includes a material transfer base 61, a material transfer nozzle 62, a material transfer swing base 63, and a material transfer drive unit 64. The material transfer nozzle 62 can be mounted on the material transfer swing base 63, which can be connected to the material transfer drive unit 64, which can be mounted on the material transfer base 61. With this structure, the material transfer drive unit 64 can drive the material transfer swing base 63 to swing, causing the material transfer nozzle 62 to reciprocate between the loading position and the carrier assembly 4, thereby moving products at the loading position onto the carrier assembly 4.

[0062] In one embodiment, see Figure 5 The material transfer drive unit 64 may include two material transfer rotating wheels 641 that are respectively rotatably mounted on the material transfer seat 61, a material transfer belt 642 connecting the two material transfer rotating wheels 641, a material transfer motor 643 mounted on the material transfer seat 61 and connected to one material transfer rotating wheel 641, and a material transfer eccentric wheel 644 mounted on each material transfer rotating wheel 641. The material transfer swing seat 63 is connected to the two material transfer eccentric wheels 644. This structure enables the material transfer swing seat 63 to swing in an arc shape by driving the two material transfer eccentric wheels 644 to rotate through the material transfer motor 643. When the material transfer swing seat 63 swings to one side, the material transfer suction nozzle 62 can absorb the product at the loading position; when the material transfer swing seat 63 swings to the other side, the material transfer suction nozzle 62 can move the product to the carrier assembly 4.

[0063] In one embodiment, see Figure 5 The material moving assembly 6 may further include a material moving rotary motor 65 mounted on the material moving swing seat 63, and the material moving rotary motor 65 may be connected to the material moving suction nozzle 62. This structure can drive the material moving suction nozzle 62 to rotate through the material moving rotary motor 65, thereby adjusting the direction of the product.

[0064] In one embodiment, see Figure 5The material transfer assembly 6 also includes a material transfer mounting seat 66 for the material transfer nozzle 62 to pass through, and a sealing ring (not shown) that fills the gap between the inner side wall of the material transfer mounting seat 66 and the material transfer nozzle 62. The material transfer mounting seat 66 is mounted on the material transfer swing seat 63. This structure can achieve a sealing effect through the sealing ring, prevent gas leakage, and thus improve the suction effect of the material transfer nozzle 62 on the product.

[0065] In some embodiments, the material moving assembly 6 may also be a structure formed by a material moving nozzle 62 and one or more combinations of an X-axis material moving unit, a Y-axis material moving unit, and a Z-axis material moving unit, wherein the X-axis material moving unit, the Y-axis material moving unit, and the Z-axis material moving unit may be a cylinder transmission mechanism, a screw transmission mechanism, a slide linear motor, etc.

[0066] In one embodiment, see Figure 6 The front-of-track correction assembly 5 includes a front-of-track correction seat 51 mounted on the front-of-track blowing assembly 3. The front-of-track correction seat 51 is located above the carrier assembly 4. The front-of-track correction seat 51 defines a front-of-track correction hole 511 through which the transfer nozzle 62 and the product pass. This structure allows the transfer nozzle 62 and the product it picks up to pass through the front-of-track correction hole 511 as the transfer assembly 6 moves the product from the loading position to the carrier assembly 4. This allows the product on the transfer nozzle 62 to be corrected, thereby improving the accuracy of product loading onto the carrier assembly 4.

[0067] In some embodiments, the front-of-track correction assembly 5 can be a correction base, multiple correction bases mounted on the correction base, and a front-of-track correction power unit that drives the multiple correction bases toward or away from each other. The multiple correction bases can be used to push and correct the product. The front-of-track correction power unit can be a combination of a correction cylinder, a correction motor, and gears.

[0068] In one embodiment, see Figure 7 and Figure 8 The carrier assembly 4 includes a carrier base 41, a carrier body 42, and a carrier power unit 43. The carrier base 41 can be mounted on a frame. A negative pressure hole 421 is provided on the carrier body 42. The carrier power unit 43 can be mounted on the carrier base 41 and connected to the carrier body 42. This structure enables the adsorption and fixation of the product through the negative pressure hole 421; the carrier power unit 43 can drive the carrier body 42 to move back and forth between the loading position and the patch assembly 8 to load the product to the unloading position of the patch assembly 8.

[0069] In one embodiment, see Figure 8The carrier body 42 may include a carrier base 422 and a carrier top 423. The carrier top 423 may be located on the top surface of the carrier base 422 and is arranged along the length of the carrier base 422. The carrier top 423 is provided with a plurality of accommodating grooves 424 at intervals, and the bottom surface of each accommodating groove 424 is provided with a negative pressure hole 421. With this structure, the carrier body 42 can support and fix multiple products at a time, improving material transfer efficiency.

[0070] In one embodiment, see Figure 6 and Figure 7 The carrier assembly 4 also includes a carrier imaging unit 44 mounted on the carrier base 41. With this structure, the carrier imaging unit 44 can obtain image information of the product on the carrier body 42 to judge the appearance of the product again. If the product has defects such as flaws or vertical materials, the second blowing nozzle 35 will blow the product at this position into the waste box 31. Subsequently, the carrier power unit 43 drives the carrier body 42 in reverse to return to the loading position for re-refilling. This process is repeated until the product carried on the carrier body 42 is free of defects. Optionally, the carrier imaging unit 44 may include a combined structure formed by a camera, a light source, a reflector, etc.

[0071] In one embodiment, see Figure 7 and Figure 9 The placement machine also includes a loading and correction assembly 9 for correcting the product on the carrier body 42. This loading and correction assembly 9 comprises a loading and correction base 91 mounted on the carrier base 41 and two correction units 92 mounted on the loading and correction base 91. The two correction units 92 are spaced apart to form a passage for the carrier body 42 to pass through. With this structure, the carrier power unit 43 can drive the carrier body 42 through the passage; at the same time, the two correction units 92 can correct the position of the product on the carrier body 42, thereby reducing the position error of the product fixed on the carrier body 42 and helping to improve the accuracy of subsequent product placement.

[0072] In one embodiment, see Figure 9 and Figure 10The correction unit 92 includes a rotating seat 921, a correction wheel 922 and a correction elastic member 923. The middle part of the rotating seat 921 is hingedly mounted on the loading correction seat 91. Optionally, a rotating shaft 924 is fixedly installed on the middle part of the rotating seat 921, and the rotating shaft 924 can be rotatably mounted on the loading correction seat 91. The correction wheel 922 is rotatably mounted on one end of the rotating seat 921, and the correction elastic member 923 is mounted on the other end of the rotating seat 921. One end of the correction elastic member 923 abuts against the rotating seat 921, and the other end of the correction elastic member 923 abuts against the loading correction seat 91. Among them, the correction elastic member 923 can be a spring. With this structure, when the carrier body 42 extends into the channel, the two correction wheels 922 can respectively correct the product; the two correction elastic members 923 can respectively elastically push the two rotating seats 921, so that the two correction wheels 922 always remain in the correction position for the product. Moreover, the correction wheel 922 is used to correct the product. There is rolling friction between the product and the correction wheel 922, and the friction force is small, which prevents the product from being scratched.

[0073] In one embodiment, see Figure 9 The hinge point between the rotating seat 921 and the loading and correction seat 91 is the hinge point, and the linear distance between the correction wheel 922 and the hinge point is less than the linear distance between the correction elastic member 923 and the hinge point. With this structure, the rotation of the rotating seat 921 forms a lever structure. If the position of the product on the carrier body 42 deviates and cannot be corrected by the correction wheel 922, the correction elastic member 923 compresses to provide cushioning protection for the product.

[0074] In one embodiment, see Figure 10 The rotating seat 921 is provided with an internal threaded hole 925, in which an adjusting screw 926 is installed. In this structure, by adjusting the length of the screw 926 screwed in and out of the rotating seat 921, the rotation angle of the rotating seat 921 can be controlled, thereby adjusting the width of the channel to accommodate products of different sizes.

[0075] In one embodiment, see Figure 10 The adjustment screw 926 can be positioned between the correction wheel 922 and the hinge point. With this structure, the adjustment screw 926 is positioned close to the correction wheel 922. The adjustment screw 926 can be used to adjust the initial position of the rotating base 921, thereby adjusting the width of the channel formed between the two correction wheels 922. This allows for adaptability to different sizes of carrier bodies 42 and products.

[0076] In one embodiment, see Figure 10The rotating seat 921 is provided with a threaded hole 927 that communicates with the internal threaded hole 925. A locking member 928 is mounted in the threaded hole 927 and abuts against the adjusting screw 926. Optionally, the inner circumference of the threaded hole 927 is provided with an internal thread, and the locking member 928 can be threadedly connected to the threaded hole 927. The locking member 928 can be a screw, bolt, or screw. This structure secures the adjusting screw 926 through the abutment between the locking member 928 and the adjusting screw 926, preventing the adjusting screw 926 from shifting during the rotation of the rotating seat 921.

[0077] In one embodiment, see Figure 9 A limit baffle 911 is mounted on the loading and correction seat 91, and two correction units 92 are respectively provided on either side of the limit baffle 911. Optionally, the end of the correction elastic member 923 away from the rotating seat 921 abuts the limit baffle 911, and the end of the adjustment screw 926 away from the rotating seat 921 abuts the limit baffle 911. This structure allows the limit baffle 911 to block the two rotating seats 921, preventing interference between the two correction units 92.

[0078] In one embodiment, see Figure 9 The loading correction seat 91 includes a first adjustment seat 912, a second adjustment seat 913, a third adjustment seat 914, a transverse movement control unit 915, a longitudinal movement control unit 916, and a lifting control unit 917. Among them, the two correction units 92 can be installed on the first adjustment seat 912; the first adjustment seat 912 can be slidably installed on the second adjustment seat 913, the transverse movement control unit 915 is installed on the second adjustment seat 913, and the transverse movement control unit 915 can be connected to the first adjustment seat 912; the second adjustment seat 913 can be slidably installed on the third adjustment seat 914, and the longitudinal movement control unit 916 is installed on the third adjustment seat 914, and the longitudinal movement control unit 916 can be connected to the second adjustment seat 913; the third adjustment seat 914 can be slidably installed on the carrier base 41, and the lifting control unit 917 is installed on the carrier base 41, and the lifting control unit 917 is connected to the third adjustment seat 914. This structure can drive the first adjustment seat 912 and the two correction units 92 to move horizontally (in the X-axis direction in the figure) through the lateral movement control unit 915; can drive the second adjustment seat 913, the first adjustment seat 912 and the two correction units 92 to move longitudinally (in the Y-axis direction in the figure) through the longitudinal movement control unit 916; and can drive the third adjustment seat 914, the second adjustment seat 913, the first adjustment seat 912 and the two correction units 92 to move up and down (in the Z-axis direction in the figure) through the lifting control unit 917. In this way, the positions of the two correction units 92 can be adjusted in the XYZ axis directions.

[0079] In one embodiment, see Figure 9The lateral movement control unit 915, the longitudinal movement control unit 916 and the lifting control unit 917 can adopt an eccentric screw structure. Of course, the lateral movement control unit 915, the longitudinal movement control unit 916 and the lifting control unit 917 can also be a cylinder drive structure, a fine-tuning knob structure, etc.

[0080] In one embodiment, see Figure 11 The feeding assembly 7 includes a feeding base 71, a feeding slide seat 72 and a feeding power unit 73. Among them, the feeding base 71 can be installed on the frame; the feeding slide seat 72 can be slidably installed on the feeding base 71 through a guide rail pair; the feeding power unit 73 can be installed on the feeding base 71 and connected to the feeding slide seat 72. With this structure, the feeding slide seat 72 can be used to support and fix the patch component to be patched; the feeding power unit 73 can drive the feeding slide seat 72 to slide on the feeding base 71 to move the patch component to the patch position for patching. Optionally, the feeding power unit 73 can be a screw transmission mechanism. Of course, the feeding power unit 73 can also be a cylinder transmission mechanism, a slide linear motor, etc.

[0081] In one embodiment, see Figure 11 The feed slide 72 includes a feed slide base 721 slidably mounted on the feed base 71, feed side bases 722 mounted at both ends of the feed slide base 721, two feed wheels 723 rotatably mounted at both ends of the feed side base 722, a feed belt 724 connecting the two feed wheels 723, and a feed motor 725 mounted on the feed side base 722 and connected to one of the feed wheels 723. This structure supports the patch components to be processed through the two feed belts 724; the two feed motors 725 drive the corresponding feed wheels 723 to rotate, which in turn drives the two feed belts 724 to rotate, thereby moving the patch components to be processed.

[0082] In one embodiment, see Figure 11 The feed slide seat 72 further includes a feed correction seat 74 slidably mounted on the feed side seat 722 and a feed correction cylinder 75 mounted on the feed side seat 722 and connected to the feed correction seat 74. In this structure, the feed correction cylinder 75 can drive the feed correction seat 74 to move back and forth on the feed side seat 722. The feed correction seat 74 can push the piece to be mounted to correct the position of the piece to be mounted, thereby improving the placement accuracy of the product.

[0083] In one embodiment, see Figure 11An upper feeding clamping plate 726 is mounted on the top of each feeding side seat 722. A lower feeding clamping plate 727 and a feeding clamping cylinder 728 connected to the lower feeding clamping plate 727 are slidably mounted on each feeding side seat 722. The piece to be mounted can be placed between the upper feeding clamping plate 726 and the lower feeding clamping plate 727. In this structure, the lower feeding clamping plate 727 can be driven to slide on the feeding side seat 722 by the feeding clamping cylinder 728, so that the lower feeding clamping plate 727 can be moved closer to or away from the upper feeding clamping plate 726. The lower feeding clamping plate 727 cooperates with the upper feeding clamping plate 726 to clamp and secure the piece to be mounted, preventing positional deviation when the product is mounted on the piece to be mounted.

[0084] In one embodiment, see Figure 1 The SMT machine may also include a SMT loading unit (not shown) for supplying the SMT components to be mounted to the feeding assembly 7. The feeding assembly 7 may be arranged between the SMT loading unit and the SMT unloading assembly 10. Optionally, the SMT loading unit may include a SMT loading seat mounted on the frame, SMT loading side seats mounted at both ends of the SMT loading seat, SMT loading wheels mounted at both ends of each SMT loading side seat, a SMT loading belt connecting the corresponding two SMT loading wheels, and a SMT loading motor mounted on the SMT loading side seat and connected to one of the SMT loading wheels. With this structure, the two SMT loading belts can support the SMT components to be mounted; by driving the two SMT loading belts to rotate respectively by the two SMT loading motors, the SMT components to be mounted can be transferred to the feeding assembly 7, and specifically to the two feeding belts 724.

[0085] In one embodiment, see Figure 11 The feed slide 72 may further include a feed stop 729 slidably mounted on the feed slide base 721 and a feed stop cylinder 720 connected to the feed stop 729. The feed stop 729 may be located at one end of the feed slide 72 near the patch loading unit. With this structure, the feed stop cylinder 720 can drive the feed stop 729 up and down, and the feed stop 729 can stop the patch parts delivered by the patch loading unit, preventing patch disorder caused by repeated loading of the patch parts.

[0086] In one embodiment, see Figure 12, the patch assembly 8 includes a patch seat 81, a patch sliding seat 82, a patch nozzle 83 and a patch power unit 84. Among them, the patch sliding seat 82 is slidably installed on the patch seat 81 along a first direction. The patch nozzle 83 is installed on the patch sliding seat 82 along a second direction, the second direction is parallel to the first direction, and the first direction and the second direction can both be vertical directions. The patch power unit 84 is installed on the patch seat 81 and connected to the patch sliding seat 82. With this structure, the product on the carrier body 42 can be adsorbed by the patch nozzle 83; the patch sliding seat 82 can be driven to move on the patch seat 81 by the patch power unit 84 to mount the product on the patch nozzle 83 on the part to be patched. Optionally, the patch power unit 84 can be a screw transmission mechanism to drive the patch sliding seat 82 and the patch nozzle 83 to achieve lifting. Of course, the patch power unit 84 can also be a cylinder transmission mechanism, a slide linear motor, etc.

[0087] In one embodiment, see Figures 12 to 14 The patch assembly 8 may also include a guide base 85 mounted on the patch seat 81. The guide base 85 may be located below the patch slide seat 82. The guide base 85 defines a guide hole 851 for the patch nozzle 83 and the product to pass through. With this structure, when the patch nozzle 83 passes through the guide hole 851, the guide hole 851 guides the product movement and alignment, thereby improving the placement accuracy of the product and the patch component.

[0088] In one embodiment, see Figures 12 to 14 The number of patch nozzles 83 can be multiple, and multiple patch nozzles 83 can be installed in a row on the patch slide seat 82; correspondingly, the number of guide holes 851 can also be multiple, and multiple guide holes 851 can be opened in a row on the guide seat 85, and the number of guide holes 851 and the number of patch nozzles 83 can be consistent. This structure, multiple guide holes 851 can guide the movement and alignment of multiple products at once, and can also achieve the placement of multiple products at once, which helps to improve the guidance efficiency and patch efficiency.

[0089] In one embodiment, see Figure 15 The inner side wall of the guide hole 851 is provided with a first guide surface 852 and a second guide surface 853. With this structure, the first guide surface 852 can guide one end of the product for movement and alignment, and the second guide surface 853 can guide the other end of the product for movement and alignment, thereby achieving double alignment of the product and improving the alignment accuracy of the product.

[0090] Optionally, when the patch suction nozzle 83 with the product adsorbed passes through the guide hole 851, the first guide surface 852 can first guide the product to move and align once; then the second guide surface 853 can guide the product to move and align a second time.

[0091] In one embodiment, see Figure 13The guide hole 851 may have four inner sidewalls, two adjacent inner sidewalls of which may serve as first guide surfaces 852, and the other two adjacent inner sidewalls may serve as second guide surfaces 853. The product may have a generally square structure, such as a rectangular parallelepiped or cube, having four outer side surfaces. Two adjacent first guide surfaces 852 may cooperate with two corresponding adjacent outer side surfaces of the product to guide the product's primary movement and alignment; two adjacent second guide surfaces 853 may cooperate with two other corresponding adjacent outer side surfaces of the product to guide the product's secondary movement and alignment.

[0092] In one embodiment, see Figure 15 The first guide surface 852 includes a guide surface 8521 and a relief surface 8522. The relief surface 8522 is connected to the guide surface 8521, and a step portion 8523 is formed at the connection between the relief surface 8522 and the guide surface 8521. The first guide surface 852 can be positioned above the relief surface 8522. This structure allows one end of the product to be guided and aligned via the guide surface 8521; the portion of the second guide surface 853 facing the relief surface 8522 guides the other end of the product. During the alignment process, the step portion 8523 allows the product to be avoided.

[0093] In one embodiment, see Figure 15 The guide surface 8521 and the second guide surface 853 can be inclined surfaces, while the avoidance surface 8522 can be a vertical plane. With this structure, the portion of the second guide surface 853 facing the guide surface 8521 forms a flared opening with the guide surface 8521, allowing the patch nozzle 83 and the product to enter the guide hole 851. The portion of the second guide surface 853 facing the avoidance surface 8522 can guide the product's movement and alignment.

[0094] In another embodiment, see Figure 16 The guide surface 8521 includes a first correction surface 8524 and a second correction surface 8525. The second correction surface 8525 connects the first correction surface 8524 and the avoidance surface 8522. A step portion 8523 is formed at the connection position between the second correction surface 8525 and the avoidance surface 8522. Optionally, the first correction surface 8524 is an inclined surface, and the second correction surface 8525 can be a vertical plane. The second correction surface 8525 can be parallel to the avoidance surface 8522 and spaced apart. This structure allows the product to be guided for primary movement and correction through the first correction surface 8524, and for secondary movement and correction through the second correction surface 8525, which helps to improve the product's guidance accuracy and thereby improve the product's placement accuracy.

[0095] In another embodiment, see Figure 16The second guide surface 853 includes a first guide surface 8531, a second guide surface 8532, and a third guide surface 8533. The second guide surface 8532 connects the first guide surface 8531 and the third guide surface 8533. The first guide surface 8531 can be positioned directly opposite the first correction surface 8524. The first guide surface 8531 can be an inclined surface. The first guide surface 8531 and the first correction surface 8524 form a bell mouth, allowing the patch nozzle 83 and the product to extend into the guide hole 851. The second guide surface 8532 can be positioned directly opposite the second correction surface 8525. The second guide surface 8532 can be a vertical plane. When the second correction surface 8525 guides the product, the second guide surface 8532 can avoid the product. The third guide surface 8533 can be arranged opposite to the avoidance surface 8522. The third guide surface 8533 can be an inclined surface set at an angle. The third guide surface 8533 can guide one end of the product to move and align after the guide surface 8521 guides the other end of the product to move and align.

[0096] For example, taking a square product as an example, the product can enter the guide hole 851 through the trumpet mouth formed by the first correction surface 8524 and the first guide surface 8531, which can guide the rough correction of the product; then, the second correction surface 8525 can guide the product to achieve a fine correction, and can guide the left and back of the product to move and correct; then, the third guide surface 8533 can guide the product to achieve a second fine correction, and can guide the right and front of the product to move and correct, so as to ensure that the product is located in the center of the patch nozzle 83; finally, the product is attached to the part to be patched.

[0097] In one embodiment, see Figure 12 The patch sliding seat 82 includes a patch sliding plate 821 and a patch positioning seat 822. The patch sliding plate 821 can be slidably mounted on the patch seat 81 via a guide rail pair, and the patch positioning seat 822 can be mounted on the patch sliding plate 821. The patch power unit 84 is connected to the patch sliding plate 821, and the patch nozzle 83 can be mounted on the patch positioning seat 822. This structure allows the patch sliding plate 821 to support the patch positioning seat 822, and the patch positioning seat 822 to support the patch nozzle 83, making it easier to install and remove the patch nozzle 83.

[0098] In one embodiment, the patch sliding seat 82 further includes a patch elastic member (not shown), one end of which abuts the patch positioning seat 822, and the other end of which abuts the patch suction nozzle 83. Optionally, the patch elastic member can be a spring, which can be mounted on the patch suction nozzle 83. In this structure, the patch elastic member can provide a buffering and protective function for the patch suction nozzle 83, preventing the patch suction nozzle 83 from being damaged by a hard collision when the patch is placed on the product to be patched.

[0099] In one embodiment, see Figure 12 and Figure 13 A positioning guide rod 823 is mounted on the patch positioning seat 822, and a positioning hole 850 is opened on the guide seat 85 at a position corresponding to the positioning guide rod 823. This structure, through the cooperation between the positioning guide rod 823 and the positioning hole 850, can realize the alignment and adjustment of the patch nozzle 83 and the guide hole 851, thereby adapting to products of different sizes.

[0100] In one embodiment, see Figure 12 The patch assembly 8 also includes a detector 86 mounted on the patch holder 81. Optionally, the detector 86 can be a through-beam optical fiber, a height detector, or the like. With this structure, the detector 86 can detect the height to which the patch nozzle 83 is lifted by the patch power unit 84, preventing the nozzle 83 from colliding with other components during movement and causing damage, thereby providing a mechanical anti-fouling function.

[0101] In one embodiment, see Figure 1 The patch assembly 8 also includes a patch traverse unit 87 mounted on the frame, and the patch holder 81 can be mounted on this patch traverse unit 87. In this structure, the patch traverse unit 87 can drive the patch nozzle 83 to move laterally, thereby transferring the product sucked from the carrier assembly 4 to the patch position. Optionally, the patch traverse unit 87 can be a screw drive mechanism. Of course, the patch traverse unit 87 can also be a cylinder drive mechanism, a slide linear motor, etc.

[0102] In one embodiment, see Figure 1 and Figure 17 The SMT machine also includes a SMT unloading assembly 10, which may include two SMT unloading side seats 101 installed on the frame at intervals, SMT unloading wheels 102 installed at both ends of each SMT unloading side seat 101, a SMT unloading belt 103 connecting the two corresponding SMT unloading wheels 102, and a SMT unloading motor 104 installed on the SMT unloading side seat 101 and connected to one of the SMT unloading wheels 102. With this structure, the two SMT unloading belts 103 can receive the SMT parts to be mounted after being delivered by the feeding assembly 7, and move them to the next station under the drive of the SMT unloading motor 104.

[0103] In one embodiment, the feeding component 7 may be arranged between the patch loading unit and the patch unloading component 10 , and the structure of the patch loading unit may be the same as that of the patch unloading component 10 .

[0104] In one embodiment, see Figure 1The number of the loading component 1, the front-track imaging component 2, the front-track blowing component 3, the carrier component 4 and the material transfer component 6 can be two. The loading component 1, the front-track imaging component 2, the front-track blowing component 3, the carrier component 4 and the material transfer component 6 constitute a loading module. The two loading modules can be respectively arranged on both sides of the patch component 8 to realize loading on both sides and improve efficiency.

[0105] The chip placement method of the chip placement machine provided in the embodiment of the present application may include the following steps:

[0106] The loading assembly 1 loads the product to the loading position. Specifically, vibration loading is achieved through the cooperation of the storage hopper 11 and the vibration plate 12;

[0107] The front-of-track imaging component 2 detects the product. Specifically, the detection unit 21 can obtain the location information of the product; the camera unit 22 can obtain the image information of the product;

[0108] If the product is qualified, it is picked up at the loading position by the material transfer assembly 6 and transferred to the carrier assembly 4. If the product is unqualified, the unqualified product is rejected by the front-of-track blowing assembly 3. Specifically, the first blowing nozzle 33 blows the unqualified product into the first blowing channel 321, and then deposits it into the waste box 31 along the first blowing channel 321. If the product is not oriented correctly, the material transfer rotary motor 65 can drive the material transfer nozzle 62 to rotate to adjust the product's direction.

[0109] The material transfer assembly 6 transfers the product to the carrier assembly 4. Specifically, during the material transfer process, the material transfer nozzle 62 of the material transfer assembly 6 first passes through the front rail correction seat 51. The front rail correction hole 511 on the front rail correction seat 51 can align the product. The calibrated product is adsorbed and fixed by the negative pressure hole 421 on the carrier body 42.

[0110] The carrier imaging unit 44 performs image recognition on the product on the carrier body 42. Specifically, if the product on the carrier body 42 is qualified, the carrier power unit 43 moves the product to the patch position. If the product on the carrier body 42 is unqualified, the second blowing nozzle 35 blows the product at this position into the waste box 31. The carrier power unit 43 drives the carrier body 42 in reverse to return to the loading position for refilling. This is repeated until the product carried on the carrier body 42 is flawless. During this process, the loading correction component 9 can perform correction operations on the product on the carrier body 42. Specifically, the carrier power unit 43 drives the carrier body 42 through the channel formed by the two correction units 92, and the two correction units 92 can correct the product on the carrier body 42;

[0111] The feeding component 7 supplies the parts to be mounted to the mounting position;

[0112] The patch assembly 8 picks up the product on the carrier body 42 and places it on the part to be patched. Specifically, the guide hole 851 can guide the product adsorbed by the patch nozzle 83, and the guided product is placed on the part to be patched delivered by the feeding assembly 7;

[0113] After the mounting is completed, the waiting piece can be transferred by the feeding component 7 to the patch blanking component 10, and the patch blanking component 10 transfers the waiting piece after the mounting is completed to the next station.

[0114] The above description is merely an optional embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present application shall be included in the scope of protection of the present application.

Claims

1. Chip mounter, characterized in that, include: Loading assembly, used to supply products to the loading position; A front-of-rail imaging component, provided on one side of the loading position, for acquiring image information of the product; A front-rail blowing assembly is provided on the other side of the loading position and is used to remove unqualified products; A carrier assembly, arranged opposite to the loading assembly, for supporting and fixing the product; A front-rail correction component, located above the carrier component, for correcting the product; A material transfer assembly is provided between the loading assembly and the carrier assembly, and is used to transfer the qualified products to the front-track correction assembly for correction, and to transfer the corrected products to the carrier assembly; A feeding assembly, arranged opposite to the carrier assembly, for supplying the parts to be mounted to the mounting position; A patch component is provided at the patch position, and is used to pick up the product on the carrier component and mount the product on the part to be patched; The material transfer assembly comprises: Material transfer seat; A material transfer nozzle, used for picking up the product at the loading position; A material transfer swing seat, supporting the material transfer nozzle; A material transfer drive unit is installed on the material transfer seat and connected to the material transfer swing seat, and is used to drive the material transfer swing seat to swing, so that the material transfer nozzle moves back and forth between the loading position and the carrier assembly; The front-rail correction assembly includes a front-rail correction seat installed on the front-rail blowing assembly, and the front-rail correction seat is arranged above the carrier assembly; a front-rail correction hole is opened on the front-rail correction seat, and the front-rail correction hole is used to correct the product adsorbed on the material transfer nozzle when the material transfer nozzle passes through, and the corrected product is fixed by the carrier assembly.

2. The chip mounter according to claim 1, wherein: The placement machine also includes a detection unit for detecting whether the loading position has the product, and the detection unit is arranged on the loading component; the front-track imaging component includes a camera unit for obtaining the polarity of the product, and the detection unit is arranged between the camera unit and the loading position.

3. The chip mounter according to claim 1, wherein: The rail front blowing assembly includes: waste box; a first blowing seat, wherein the first blowing seat is provided with a first blowing channel communicating with the waste box; The first blowing nozzle is installed on the first blowing seat and is used to blow the unqualified products at the loading position into the waste box.

4. The chip mounter according to claim 3, wherein: The rail front blowing assembly also includes: a second blowing seat connected to the first blowing seat, wherein the second blowing seat is provided with a second blowing channel connected to the waste box; The second blowing nozzle is installed on the second blowing seat and is used to blow the unqualified products on the carrier assembly into the waste box.

5. The chip mounter according to any one of claims 1 to 4, characterized in that: The carrier assembly includes: Vehicle base; A carrier body, wherein the carrier body is provided with a negative pressure hole for adsorbing the product; A carrier power unit is installed on the carrier base and connected to the carrier body, and is used to drive the carrier body to move back and forth between the loading position and the patch component.

6. The chip mounter according to claim 5, wherein: The carrier assembly further includes a carrier imaging unit for acquiring image information of the product on the carrier body, and the carrier imaging unit is installed on the carrier base.

7. The chip mounter according to any one of claims 1 to 4, characterized in that: The feeding assembly comprises: Feeding base; A feeding sliding seat is slidably mounted on the feeding base and is used to support and fix the piece to be mounted; A feeding power unit is installed on the feeding base and connected to the feeding sliding seat, and is used to drive the feeding sliding seat to move back and forth between the feeding position and the patch position.

8. The chip mounter according to any one of claims 1 to 4, characterized in that: The patch assembly includes: SMD holder; A patch sliding seat is slidably mounted on the patch seat along a first direction; a patch nozzle, mounted on the patch sliding seat along a second direction, wherein the second direction is parallel to the first direction; The patch power unit is installed on the patch seat and connected to the patch sliding seat, and is used to drive the patch sliding seat to move so that the patch nozzle can absorb the product on the carrier assembly and mount the product on the piece to be patched.

Images