Visual positioning mechanism for integrated circuit

Abstract

The invention discloses a visual positioning mechanism for an integrated circuit, which reliably positions the position of a product material sheet, ensures that marking equipment accurately and reliably performs marking, and ensures the quality and the yield of a product. The device comprises: a horizontal plate; the vertical support comprises a vertical supporting plate and a flat plate fixing seat, and a vertical movement assembly is integrated on the vertical supporting plate; the two ends of the sliding table base plate in the length direction are each provided with a horizontal movement assembly, and the output end of each horizontal movement assembly is fixedly provided with a camera module; a material sheet placing assembly; and a light source assembly.

Description

Technical Field

[0001] The invention relates to the field of integrated circuit packaging, and in particular to an integrated circuit visual positioning mechanism. Background Art

[0002] At present, the existing integrated circuit laser marking machines in China use limit plates and positioning pins for mechanical positioning of products. The marking machine uses a transmission structure for mechanical positioning, which has the disadvantage that for sheet products with high hardness, warping or small plastic packaging, the transmission track cannot transmit the sheet products in place, which easily leads to product position deviation, resulting in unstable printing accuracy and a decrease in the output of marked products.

[0003] Therefore, it is necessary to provide an integrated circuit visual positioning mechanism to enable accurate visual positioning of the sheet product, thereby ensuring the quality and output of subsequent marked products. Summary of the invention

[0004] In view of the above problems, the present invention provides an integrated circuit visual positioning mechanism, which can reliably locate the position of the product sheet, ensure that the marking equipment can mark accurately and reliably, and ensure the quality and output of the product.

[0005] An integrated circuit visual positioning mechanism, characterized in that it comprises:

[0006] Horizontal board;

[0007] A vertical support, comprising a vertical support plate and a flat plate fixing seat, wherein a vertical motion component is integrated on the vertical support plate;

[0008] The slide base plate has a horizontal motion component at each end in the length direction, and a camera module is fixed at the output end of each horizontal motion component;

[0009] Blank placement assembly;

[0010] and a light source assembly;

[0011] A sheet placing component is arranged on the upper surface of the horizontal plate, and the sheet carrier placing plate of the sheet placing component is located in a suspended position, the sheet carrier placing plate is a frame structure, and its central area is used to place the sheet product, and a notch groove is arranged directly below the central area of ​​the horizontal plate corresponding to the frame structure, and a light source component is also arranged on the upper surface of the horizontal plate, and the light source of the light source component projects light toward the sheet product, the flat plate fixing seat is fixedly installed below the horizontal plate, and a vertical motion component is arranged on the vertical support plate, and the output end of the vertical motion component is fixedly connected to the slide base plate, and the lenses of a pair of camera modules arranged on the slide base plate are arranged to face upwards, and the field of view of the lens of each camera module passes through the notch groove and faces the bottom area of ​​the sheet product.

[0012] It is further characterized by:

[0013] The vertical support plate is respectively provided with linear slide rails on both sides corresponding to the vertical motion component, and the vertical motion component includes a screw module, and the position of the slide base plate corresponding to the screw module is fixed with a screw connecting seat, and the screw of the screw module is threadedly connected to the screw connecting seat, and the slide base plate is embedded in the corresponding linear slide rail through a guide rail pair, and the screw module drives the slide base plate to move vertically up and down;

[0014] A horizontal motion component is respectively arranged at both ends of the slide base plate in the length direction, and each group of horizontal motion components includes a linear slide and a slide rail base. The bases of the linear slide are respectively fixed on the corresponding sides of the slide base plate, and the linear slide is arranged parallel to the length direction of the slide base plate. The slide rail base is arranged to move along the linear movement direction of the linear slide, and the slide rail base is the output end of each horizontal motion component;

[0015] A camera fixing frame is fixedly arranged on each slide rail base, the camera fixing frame comprises a vertical plate and a horizontal mounting plate, and the camera module is fixedly arranged on the camera fixing frame;

[0016] Each camera module includes an industrial camera and a telecentric lens. A telecentric lens is arranged above the lens of the industrial camera, and the top of the telecentric lens passes through the notch groove.

[0017] The connecting hole between the flat plate fixing seat and the horizontal plate is set as a waist-shaped hole, the rear end of the horizontal plate in the length direction is provided with a downwardly convex adjustment bolt fixing block, the rear end of the flat plate fixing seat in the length direction is provided with a downwardly convex adjustment screw block, the adjustment bolt passes through the guide hole of the adjustment bolt fixing block and then is threadedly connected to the threaded hole of the adjustment screw block, and the adjustment bolt drives the vertical bracket to adjust the position of the camera module along the front and rear direction of the waist-shaped hole;

[0018] Each of the light source assemblies comprises a detection light source fixing seat and a strip light source, wherein the detection light source fixing seat is fixedly mounted at the front and rear lower position areas of the sheet carrier placement plate, the bottom of each detection light source fixing seat is fixedly mounted on the upper surface of the horizontal plate, and the strip light source is fixedly mounted on the detection light source fixing seat, and the strip light source is obliquely upwardly illuminated toward the sheet product;

[0019] The two sides of the detection light source fixing seat are provided with arc-shaped adjustment grooves, the outer convex shaft of the strip light source is inserted into the arc-shaped adjustment grooves, and the lighting angle of the strip light source is adjusted according to the needs;

[0020] The material sheet placement component includes a vertical plate fixing plate, vertical plate reinforcement ribs, a carrier bottom plate, and a material sheet carrier placement plate. The four corners of the vertical fixing plate are respectively provided with L-shaped vertical plate reinforcement ribs, the bottom of the L-shaped vertical plate reinforcement rib at the bottom is fixed to the corresponding position of the upper surface of the horizontal plate, the upper surface of the L-shaped vertical plate reinforcement rib at the top is fixed to the carrier bottom plate, and the end face of the carrier bottom plate close to the notch groove is fixed with a material sheet carrier placement plate, which enables the material sheet carrier placement plate to be arranged in a suspended position.

[0021] After adopting the structure of the present invention, the integrated circuit visual positioning mechanism is started, and the frame of the sheet carrier placement plate performs preliminary limit positioning on the sheet product, and then the vertical motion component, the horizontal motion component and the light source component are combined to clearly and completely capture the high-definition position of each area of ​​the sheet product, thereby completing high-precision positioning. After that, the sheet product is accurately positioned and then printed by the marking machine. After printing is completed, the integrated circuit printer loading gripper takes away the sheet product and waits for the next placement of the sheet product to complete the entire process. The entire positioning process does not generate physical movement, ensuring that the position of the sheet product will not shift; the integrated circuit visual positioning mechanism can reliably locate the position of the product sheet, ensuring that the marking equipment can accurately and reliably mark, thereby ensuring the quality and output of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a front view of the present invention;

[0023] Figure 2 for Figure 1 Left view of

[0024] Figure 3 for Figure 1 A top view of

[0025] Figure 4 A perspective view of the present invention;

[0026] Figure 5 It is a three-dimensional exploded view of the present invention;

[0027] Figure 6 It is a three-dimensional diagram of the vertical motion assembly of the present invention;

[0028] Figure 7 A three-dimensional diagram of a horizontal motion assembly of the present invention;

[0029] Figure 8 A three-dimensional diagram of a light source assembly of the present invention;

[0030] Fig. 9 A three-dimensional diagram of a sheet placement assembly of the present invention;

[0031] The names corresponding to the serial numbers in the figure are as follows:

[0032] Horizontal plate 10, notch groove 11, adjustment bolt fixing block 12, vertical bracket 20, vertical support plate 21, flat plate fixing seat 22, waist-shaped hole 221, adjustment screw block 222, rib plate 23, linear slide rail 24, vertical motion component 30, screw 31, bearing seat 32, bearing 33, spoke handwheel 34, slide base plate 40, screw connecting seat 41, guide rail pair 42, sheet placement component 50, sheet carrier placement plate 51, vertical plate fixing plate 52, vertical plate reinforcement rib 53, carrier bottom plate 54, light source component 60, detection light source fixing seat 61, strip light source 62, arc adjustment groove 63, horizontal motion component 70, linear slide 71, slide rail base 72, sensor sensing sheet 73, position sensor 74, camera fixing bracket 75, camera module 80, industrial camera 81, telecentric lens 82, sheet product 90, adjustment bolt 100. DETAILED DESCRIPTION

[0033] An integrated circuit visual positioning mechanism, see Figure 1-Figure 9 , which includes a horizontal plate 10, a vertical bracket 20, a slide base plate 40, a sheet placement component 50, and a light source component 60;

[0034] The vertical support 20 includes a vertical support plate 21 and a flat plate fixing seat 22. A vertical motion assembly 30 is integrated on the vertical support plate 21. The vertical support plate 21 and the flat plate fixing seat 22 are provided with ribs 23 on both sides.

[0035] A horizontal motion assembly 70 is respectively disposed at both ends of the slide base plate 40 in the length direction, and a camera module 80 is fixedly disposed at the output end of each horizontal motion assembly 70;

[0036] A sheet placing component 50 is provided on the upper surface of the horizontal plate 10, and the sheet carrier placing plate 51 of the sheet placing component 50 is located in a suspended position. The sheet carrier placing plate 51 is a frame structure, and its central area is used to place the sheet product 90. The horizontal plate 10 is provided with a notch groove 11 directly below the central area of ​​the frame structure. A light source component 60 is also provided on the upper surface of the horizontal plate 10, and the light source of the light source component 60 projects light toward the sheet product 90. The flat plate fixing seat 22 is fixedly installed under the horizontal plate 10, and a vertical motion component 30 is provided on the vertical support plate 21. The output end of the vertical motion component 30 is fixedly connected to the slide base plate 10. The lenses of a pair of camera modules 80 arranged on the slide base plate 10 are arranged to face upward, and the field of view of the lens of each camera module 80 passes through the notch groove 11 and faces the bottom area of ​​the sheet product 90.

[0037] In a specific implementation, the vertical support plate 21 is respectively provided with linear guide rails 24 on both sides corresponding to the vertical motion component 30. The vertical motion component 30 includes a screw module. A screw connecting seat 41 is fixedly provided at the position of the slide base plate 40 corresponding to the screw module. The screw 31 of the screw module is threadedly connected to the screw connecting seat 41. The slide base plate 40 is embedded in the corresponding linear guide rail 24 through a guide rail pair 42. The screw module drives the slide base plate 40 to move vertically up and down. In a specific implementation, the screw module includes a screw 31, bearing seats 32 and bearings 33 at both ends, and a spoke handwheel 34 is provided at the lower end of the screw 31. The spoke handwheel 34 rotates to drive the slide base plate 40 to move vertically.

[0038] A horizontal motion assembly 70 is respectively provided at both ends of the slide base plate 40 in the length direction. Each group of horizontal motion assemblies 70 includes a linear slide 71 and a slide rail base 72. The bases of the linear slide 71 are respectively fixed on the corresponding sides of the slide base plate 40. The linear slide 71 is arranged parallel to the length direction of the slide base plate 40. The slide rail base 72 is arranged to move along the linear movement direction of the linear slide 71. The slide rail base 72 is the output end of each horizontal motion assembly 70. In specific implementation, a sensor sensing sheet 73 is provided on the slide rail base 72. The slide base 40 is respectively provided with three groups of position sensors 74 arranged at intervals corresponding to each sensor sensing sheet 73.

[0039] A camera fixing frame 75 is fixedly disposed on each slide rail base 72 . The camera fixing frame 75 includes a vertical plate and a horizontal mounting plate. A camera module 80 is fixedly disposed on the camera fixing frame 75 .

[0040] In a specific implementation, each camera module 80 includes an industrial camera 81 and a telecentric lens 82. The telecentric lens 82 is disposed above the lens of the industrial camera 81, and the top of the telecentric lens 82 is provided with a notch groove 11;

[0041] The connecting hole between the flat plate fixing seat 22 and the horizontal plate 10 is set as a waist-shaped hole 221, the rear end of the horizontal plate 10 in the length direction is provided with a downwardly convex adjustment bolt fixing block 12, and the rear end of the flat plate fixing seat 22 in the length direction is provided with a downwardly convex adjustment screw block 222, the adjustment bolt 100 passes through the guide hole of the adjustment bolt fixing block 12 and then is threadedly connected to the threaded hole of the adjustment screw block 222, and the adjustment bolt 100 drives the vertical bracket 20 to adjust the position of the camera module 80 along the front and rear direction of the waist-shaped hole 221;

[0042] Each light source assembly 60 includes a detection light source fixing seat 61 and a strip light source 62. The detection light source fixing seat 61 is fixedly mounted in the front and rear lower position area of ​​the material sheet carrier placement plate 51. The bottom of each detection light source fixing seat 61 is fixedly mounted on the upper surface of the horizontal plate 10. The strip light source 62 is fixedly mounted on the detection light source fixing seat 61, and the strip light source 62 is obliquely upward to illuminate the material sheet product.

[0043] In specific implementation, arc-shaped adjustment grooves 63 are provided on both sides of the detection light source fixing seat 61 , and the outer protruding shaft of the strip light source 62 is inserted into the arc-shaped adjustment grooves 63 , so that the lighting angle of the strip light source 62 can be adjusted according to demand.

[0044] During specific implementation, the material sheet placement component 50 includes a vertical plate fixing plate 52, a vertical plate reinforcement rib 53, a carrier bottom plate 54, and a material sheet carrier placement plate 51. The four corners of the vertical fixing plate 52 are respectively provided with L-shaped vertical plate reinforcement ribs 53. The bottom of the L-shaped vertical plate reinforcement rib 53 at the bottom is fixedly connected to the corresponding position of the upper surface of the horizontal plate 10, and the upper surface of the L-shaped vertical plate reinforcement rib 53 at the top is fixedly connected to the carrier bottom plate 54. The end face of the carrier bottom plate 54 close to the notch groove 11 is fixedly provided with a material sheet carrier placement plate 51, which makes the material sheet carrier placement plate 51 arranged in a suspended position.

[0045] Its working principle is as follows: after the sheet product corresponding to the integrated circuit printer is in place, the vertical position is first adjusted by the spoke handwheel, and then the front and rear position is adjusted by the adjusting bolt. The sensor transmits the signal to the PLC, and the PLC controls the linear slide. The linear slide adjusts the position of the industrial camera and telecentric lens in the horizontal direction to adapt to sheet products of different specifications, thereby completing high-precision visual positioning of the sheet products, which has promotion value.

[0046] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0047] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An integrated circuit visual positioning mechanism, characterized in that: It includes: Horizontal board; A vertical support, comprising a vertical support plate and a flat plate fixing seat, wherein a vertical motion component is integrated on the vertical support plate; The slide base plate has a horizontal motion component at each end in the length direction, and a camera module is fixed at the output end of each horizontal motion component; Blank placement assembly; and a light source assembly; A sheet placing component is arranged on the upper surface of the horizontal plate, and the sheet carrier placing plate of the sheet placing component is located in a suspended position, the sheet carrier placing plate is a frame structure, and its central area is used to place the sheet product, and a notch groove is arranged directly below the central area of ​​the horizontal plate corresponding to the frame structure, and a light source component is also arranged on the upper surface of the horizontal plate, and the light source of the light source component projects light toward the sheet product, the flat plate fixing seat is fixedly installed below the horizontal plate, and a vertical motion component is arranged on the vertical support plate, and the output end of the vertical motion component is fixedly connected to the slide base plate, and the lenses of a pair of camera modules arranged on the slide base plate are arranged to face upwards, and the field of view of the lens of each camera module passes through the notch groove and faces the bottom area of ​​the sheet product.

2. The integrated circuit visual positioning mechanism according to claim 1, characterized in that: The vertical support plate is respectively provided with linear slide rails on both sides corresponding to the vertical motion component. The vertical motion component includes a screw module. The slide base plate is fixed with a screw connecting seat at the position corresponding to the screw module. The screw of the screw module is threadedly connected to the screw connecting seat. The slide base plate is embedded in the corresponding linear slide rail through a guide rail pair. The screw module drives the slide base plate to move vertically up and down.

3. The integrated circuit visual positioning mechanism according to claim 2, characterized in that: A horizontal motion component is respectively provided at both ends of the slide base plate in the length direction. Each group of horizontal motion components includes a linear slide and a slide rail base. The bases of the linear slide are respectively fixed on the corresponding sides of the slide base plate. The linear slide is arranged parallel to the length direction of the slide base plate. The slide rail base is movably arranged along the linear movement direction of the linear slide. The slide rail base is the output end of each horizontal motion component.

4. The integrated circuit visual positioning mechanism according to claim 3, characterized in that: A camera fixing frame is fixedly arranged on each slide rail base, and the camera fixing frame comprises a vertical plate and a horizontal mounting plate, and the camera module is fixedly arranged on the camera fixing frame.

5. An integrated circuit visual positioning mechanism according to claim 1 or 4, characterized in that: Each camera module includes an industrial camera and a telecentric lens. A telecentric lens is arranged above the lens of the industrial camera, and the top of the telecentric lens passes through the notch groove.

6. The integrated circuit visual positioning mechanism according to claim 1, characterized in that: The connecting hole between the flat plate fixing seat and the horizontal plate is set as a waist-shaped hole, and a downwardly convex adjustment bolt fixing block is set at the rear end in the length direction of the horizontal plate, and a downwardly convex adjustment screw block is set at the rear end in the length direction of the flat plate fixing seat. The adjustment bolt passes through the guide hole of the adjustment bolt fixing block and is threadedly connected to the threaded hole of the adjustment screw block. The adjustment bolt drives the vertical bracket to adjust the position of the camera module along the front and rear direction of the waist-shaped hole.

7. The integrated circuit visual positioning mechanism according to claim 1, characterized in that: Each of the light source assemblies includes a detection light source fixing seat and a strip light source. The detection light source fixing seat is fixedly mounted in the front and rear lower position area of ​​the sheet carrier placement plate. The bottom of each detection light source fixing seat is fixedly mounted on the upper surface of the horizontal plate. The strip light source is fixedly mounted on the detection light source fixing seat, and the strip light source is obliquely upward toward the sheet product.

8. The integrated circuit visual positioning mechanism according to claim 7, characterized in that: Arc-shaped adjustment grooves are arranged on both sides of the detection light source fixing seat, and the outer convex shafts of the strip-shaped light source are inserted into the arc-shaped adjustment grooves.

9. The integrated circuit visual positioning mechanism according to claim 1, characterized in that: The material sheet placement component includes a vertical plate fixing plate, vertical plate reinforcement ribs, a carrier bottom plate, and a material sheet carrier placement plate. The four corners of the vertical fixing plate are respectively provided with L-shaped vertical plate reinforcement ribs, the bottom of the L-shaped vertical plate reinforcement rib at the bottom is fixed to the corresponding position of the upper surface of the horizontal plate, the upper surface of the L-shaped vertical plate reinforcement rib at the top is fixed to the carrier bottom plate, and the end face of the carrier bottom plate close to the notch groove is fixed with a material sheet carrier placement plate, which enables the material sheet carrier placement plate to be arranged in a suspended position.

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