Chip mounting equipment with visual detection function

Abstract

The invention discloses chip mounting equipment with a visual detection function, and belongs to the field of chip mounting equipment. The device comprises a detachable connecting ring arranged on the surface of a suction nozzle core, a rotary supporting ring is arranged on the surface of the connecting ring, the position between the supporting ring and the connecting ring can be fixed, the position of the supporting ring relative to the suction nozzle core can be changed, and then the position can be adjusted according to actual use requirements; the side, away from the suction nozzle support, of the sweeping rod and the side, away from the suction nozzle support, of the suction nozzle core are located on the same horizontal plane, after the suction nozzle core makes contact with an element, the driving block sliding in the connecting ring makes contact with the surface of the element firstly, and at the moment, sliding force can be provided for the sweeping rod through the driving assembly; the delay assembly is arranged between the cleaning rod and the connecting ring, so that the cleaning rod is delayed to slide and can clean the surface of the element, the suction nozzle core is not in contact with particle sundries when making contact with the element, the abrasion factor of the suction nozzle core is reduced, and the service life of the suction nozzle core is guaranteed.

Description

Technical Field

[0001] The present invention relates to the field of patch equipment, and in particular to a patch equipment with a visual detection function. Background Art

[0002] SMT equipment with visual inspection function is generally equipped with a visual centering system on the surface of the SMT equipment. The visual centering system is used to position the components, and then the components are adsorbed by a vacuum nozzle, driven to the specified position, and adhered to the glue on the surface of the PCB board to achieve SMT.

[0003] During use, the vacuum nozzle needs to be in direct contact with the surface of the component and there is extrusion. However, the surface of some components may have metal particles suspended in the electroplating layer, and silicon debris generated during wafer cutting adheres to the edge of the chip. In the process of the vacuum nozzle adsorbing the surface, it is difficult to avoid the friction of the particles on the vacuum nozzle, which will cause wear of the material at the adsorption position and damage to the surface of the nozzle, affecting the service life of the vacuum nozzle. In addition, damage to the surface of the nozzle will affect the adsorption effect, and thus affect the placement accuracy of the component during patching.

[0004] In summary, when the vacuum nozzle of the SMT equipment with visual inspection function in the prior art contacts the component, the metal particles on the surface of the component will damage the vacuum nozzle, affecting the component placement accuracy and the service life of the vacuum nozzle. Summary of the Invention

[0005] The present invention provides a patch device with a visual inspection function, which can solve the problem in the prior art that when the vacuum suction nozzle of the patch device with a visual inspection function contacts the component, the metal particles on the surface of the component will damage the vacuum suction nozzle, thereby affecting the component placement accuracy and the service life of the vacuum suction nozzle.

[0006] A patch device with a visual inspection function includes a nozzle holder rotatably arranged inside the patch machine, a plurality of nozzle cores are detachably provided on the surface of the nozzle holder, and a cleaning mechanism is provided on the surface of the nozzle core, the cleaning mechanism including:

[0007] A connecting ring, which is detachably arranged inside the nozzle core, a support ring is rotatably connected to the surface of the connecting ring, and a positioning assembly is provided between the support ring and the connecting ring;

[0008] A cleaning rod, the cleaning rod is slidably arranged inside the support ring, a driving block is slidably connected inside the support ring, a driving spring is fixedly connected between the driving block and the support ring, a driving assembly is arranged between the driving block and the cleaning rod, a connecting spring is fixedly connected between the cleaning rod and the support ring, and a delay assembly is arranged between the cleaning rod and the support ring.

[0009] Optionally, the connecting ring is fixedly connected to a connecting column on the side away from the support ring, the cross-section of the connecting column is T-shaped, and a connecting groove and a cylindrical groove are provided on the surface of the suction nozzle core. The connecting groove is adapted to the connecting column, and the cylindrical groove is connected to one end of the connecting groove; a fixing component is arranged between the connecting column and the suction nozzle core.

[0010] Optionally, the fixing assembly includes a fixing rod slidably arranged inside the nozzle core, the cross section of the fixing rod is L-shaped, and the side of the fixing rod close to the connecting ring and the side of the connecting column close to the connecting ring are located on the same horizontal plane.

[0011] Optionally, a rounded corner is provided on a side of the fixing rod close to the cylindrical groove, and a fixing spring is fixedly connected between the fixing rod and the nozzle core.

[0012] Optionally, the positioning assembly includes a positioning block fixedly arranged on the surface of the support ring, an annular groove is provided on the surface of the connecting ring, the positioning block is adapted to the annular groove, a positioning rod is internally threadedly connected to the positioning block, and a plurality of arc grooves are provided on the surface of the connecting ring, and the arc grooves are adapted to one end of the positioning rod away from the positioning block.

[0013] Optionally, the driving assembly includes a driving block fixedly connected to a driving rod near the connecting ring, a spiral groove is provided on the surface of the driving rod, a driving ring is rotatably connected inside the support ring, a driving column is fixedly connected to the surface of the driving ring, the driving column is adapted to the spiral groove, and a connecting belt is fixedly connected between the driving ring and the cleaning rod.

[0014] Optionally, the connecting spring is sleeved on the surface of the connecting belt, a sliding shaft is fixedly connected to the surface of the support ring, a sliding groove is opened on the surface of the cleaning rod, and the sliding shaft is adapted to the sliding groove.

[0015] Optionally, a through groove is provided inside the sliding shaft, the cross section of the through groove is L-shaped, and the through groove is adapted to the connecting belt.

[0016] Optionally, the delay assembly includes a delay block slidably arranged on the surface of the support ring, the delay block is provided with a rounded corner on the side close to the support ring, the surface of the cleaning rod is slidably connected to a delay rod, the delay rod is slidably connected to the delay block, and a delay spring is fixedly connected between the delay rod and the cleaning rod.

[0017] Optionally, the surface of the cleaning rod is detachably connected to a scraper rod, the surface of the cleaning rod is fixedly connected to a connecting hook, the surface of the scraper rod is provided with a disassembly groove, the disassembly groove is adapted to the connecting hook, and the surfaces of the scraper rod and the cleaning rod are both fixedly connected to a magnetic rod.

[0018] The present invention provides a patch device with a visual inspection function, comprising a detachable connecting ring arranged on the surface of a suction nozzle core, a rotating support ring arranged on the surface of the connecting ring, and the position between the support ring and the connecting ring can be fixed, and the position of the support ring relative to the suction nozzle core can be changed, so that the position can be adjusted according to actual use requirements, and a sliding cleaning rod and a driving block are provided, wherein the cleaning rod is located away from the suction nozzle bracket and the suction nozzle core is located away from the suction nozzle bracket. On the same horizontal plane, after the suction nozzle core contacts the component, the driving block sliding inside the connecting ring will first contact the surface of the component. At this time, the driving component can provide a sliding force for the cleaning rod, and a delay component is provided between the cleaning rod and the connecting ring, so that the cleaning rod can be delayed in sliding. When the component slides to a suitable position, the cleaning rod cleans the surface of the component, and then when the suction nozzle core contacts the component, the particles and debris on the surface of the component are removed by the cleaning rod, thereby avoiding the surface of the suction nozzle core being worn by the particles, reducing the wear factors of the suction nozzle core, and ensuring the service life of the suction nozzle core. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A schematic structural diagram of a patch device with a visual inspection function provided by the present invention;

[0020] Figure 2 A structural stereogram of the nozzle core provided by the present invention;

[0021] Figure 3 This is an exploded view of the three-dimensional structure of the cleaning mechanism provided by the present invention;

[0022] Figure 4 The present invention provides Figure 3 A magnified view of the local structure at point A;

[0023] Figure 5 This is a sectional view of the three-dimensional structure of the cylindrical groove provided by the present invention.

[0024] Description of reference numerals:

[0025] 1. Nozzle bracket; 2. Nozzle core; 3. Connecting ring; 4. Support ring; 5. Cleaning rod; 6. Driving block; 7. Driving spring; 8. Connecting spring; 9. Connecting column; 10. Connecting groove; 11. Cylindrical groove; 12. Fixing rod; 13. Fixing spring; 14. Positioning block; 15. Annular groove; 16. Positioning rod; 17. Arc groove; 18. Driving rod; 19. Spiral groove; 20. Driving ring; 21. Driving column; 22. Connecting belt; 23. Sliding shaft; 24. Sliding groove; 25. Delay block; 26. Delay rod; 27. Delay spring; 28. Scraper rod. DETAILED DESCRIPTION

[0026] The specific embodiments of the present invention are described in detail below, but it should be understood that the protection scope of the present invention is not limited by the specific embodiments.

[0027] like Figures 1 to 5 As shown, an embodiment of the present invention provides a patch device with a visual inspection function, including a nozzle bracket 1, which is rotatably arranged inside the patch machine, and a plurality of nozzle cores 2 are detachably provided on the surface of the nozzle bracket 1. A cleaning mechanism is provided on the surface of the nozzle core 2, and the cleaning mechanism includes:

[0028] It should be noted that the placement machine is further provided with a conveying mechanism and a support table, which are used to deliver the PCB that needs to be patched to a predetermined position through the conveying mechanism and the support table, and to deliver the PCB to the next process after the patch is completed. The placement machine is also provided with a control system that can control the rotation of the nozzle bracket 1 so that the nozzle core 2 is away from one end of the nozzle bracket 1 and contacts the component, and controls the adsorption of the component;

[0029] A connecting ring 3 is detachably mounted inside the nozzle core 2. A support ring 4 is rotatably connected to the surface of the connecting ring 3. A positioning assembly is disposed between the support ring 4 and the connecting ring 3. The positioning assembly is rotatably mounted inside the support ring 4.

[0030] A cleaning rod 5 is slidably arranged inside the support ring 4, and the side of the cleaning rod 5 away from the nozzle bracket 1 and the side of the nozzle core 2 away from the nozzle bracket 1 are located on the same horizontal plane. A driving block 6 is slidably connected inside the support ring 4, and a driving spring 7 is fixedly connected between the driving block 6 and the support ring 4. A driving assembly is provided between the driving block 6 and the cleaning rod 5, and the driving assembly is slidably arranged inside the cleaning rod 5. A connecting spring 8 is fixedly connected between the cleaning rod 5 and the support ring 4, and a delay assembly is provided between the cleaning rod 5 and the support ring 4, and the delay assembly is slidably arranged inside the connecting ring 3;

[0031] In summary, the embodiment of the present invention provides a patch device with a visual inspection function, including a detachable connecting ring 3 arranged on the surface of the nozzle core 2, a rotating support ring 4 is provided on the surface of the connecting ring 3, and the position between the support ring 4 and the connecting ring 3 can be fixed, and the position of the support ring 4 relative to the nozzle core 2 can be changed, so that the position can be adjusted according to actual use requirements, and a sliding cleaning rod 5 and a driving block 6 are provided, wherein the cleaning rod 5 is located on the same horizontal plane as the side of the nozzle bracket 1 away from the nozzle core 2. The nozzle core 2 After contacting the component, the driving block 6 sliding inside the connecting ring 3 will first contact the surface of the component. At this time, the driving component can provide a sliding force for the cleaning rod 5, and a delay component is provided between the cleaning rod 5 and the connecting ring 3, so that the cleaning rod 5 can delay sliding. When the component slides to a suitable position, the cleaning rod 5 cleans the surface of the component, and then when the suction nozzle core 2 contacts the component, the particles and debris on the surface of the component are removed by the cleaning rod 5, thereby preventing the surface of the suction nozzle core 2 from being worn by particles, reducing the wear factor of the suction nozzle core 2, and ensuring the service life of the suction nozzle core 2.

[0032] In some specific embodiments, the connecting ring 3 is fixedly connected to a connecting column 9 on the side away from the support ring 4, and the cross-section of the connecting column 9 is T-shaped. A connecting groove 10 and a cylindrical groove 11 are opened on the surface of the suction nozzle core 2, and the connecting groove 10 is adapted to the connecting column 9, and the cylindrical groove 11 is connected to one end of the connecting groove 10; a fixing component is provided between the connecting column 9 and the suction nozzle core 2; the sliding distance and sliding path of the connecting column 9 are limited by the connecting groove 10, and one side of the connecting groove 10 is connected to the cylindrical groove 11, and the connecting column 9 can be moved from the position of the cylindrical groove 11, so that the movable column is separated from the suction nozzle core 2, thereby realizing the disassembly of the connecting ring 3;

[0033] In a further embodiment, the fixing assembly includes a fixing rod 12 slidably arranged inside the nozzle core 2, and the cross-section of the fixing rod 12 is L-shaped. The side of the fixing rod 12 close to the connecting ring 3 and the side of the connecting column 9 close to the connecting ring 3 are located on the same horizontal plane; the L-shaped fixing rod 12 can fit with the adjacent surface of the T-shaped connecting column 9, thereby prompting the connecting column 9 to maintain a certain height, and the sliding fixing rod 12 restricts the connecting column 9 to the end of the connecting groove 10 away from the cylindrical groove 11, thereby restricting the rotation of the connecting ring 3 and ensuring that the connecting ring 3 does not rotate during use;

[0034] In a further embodiment, the fixing rod 12 is provided with a rounded corner on one side close to the cylindrical groove 11, and a fixing spring 13 is fixedly connected between the fixing rod 12 and the nozzle core 2; through the rounded corner, the sliding of the connecting column 9 can push the fixing rod 12 to slide, and after the connecting column 9 slides to the other side of the connecting groove 10, the fixing rod 12 can be reset under the action of the fixing spring 13;

[0035] In some specific embodiments, the positioning assembly includes a positioning block 14 fixedly arranged on the surface of the support ring 4, an annular groove 15 is provided on the surface of the connecting ring 3, the positioning block 14 is adapted to the annular groove 15, a positioning rod 16 is internally threadedly connected to the positioning block 14, and a plurality of arcuate grooves 17 are provided on the surface of the connecting ring 3, the arcuate grooves 17 are adapted to the end of the positioning rod 16 away from the positioning block 14; the distance between the positioning rod 16 and the connecting ring 3 can be changed by rotating the positioning block 14, and when the positioning rod 16 contacts the arcuate groove 17 and the annular groove 15 at the same time, the arcuate groove 17 will limit the position of the positioning rod 16;

[0036] In some specific embodiments, the driving assembly includes a driving block 6, which is fixedly connected to a driving rod 18 near the connecting ring 3. A spiral groove 19 is provided on the surface of the driving rod 18. A driving ring 20 is rotatably connected inside the support ring 4. A driving column 21 is fixedly connected to the surface of the driving ring 20. The driving column 21 is adapted to the spiral groove 19. A connecting belt 22 is fixedly connected between the driving ring 20 and the cleaning rod 5.

[0037] In a further embodiment, the connecting spring 8 is sleeved on the surface of the connecting belt 22, the surface of the support ring 4 is fixedly connected to the sliding shaft 23, the surface of the cleaning rod 5 is provided with a sliding groove 24, the sliding shaft 23 is adapted to the sliding groove 24, the sliding shaft 23 is provided with a through groove, the cross section of the through groove is L-shaped, and the through groove is adapted to the connecting belt 22; the sliding groove 24 can limit the sliding distance of the cleaning rod 5, and the surface of the sliding shaft 23 is provided with an L-shaped through groove, and the connecting belt 22 can guide the sliding trajectory of the connecting belt 22 by passing through the through groove;

[0038] In some specific embodiments, the delay assembly includes a delay block 25 slidably arranged on the surface of the support ring 4, the delay block 25 is provided with a rounded corner on the side close to the support ring 4, and a delay rod 26 is slidably connected to the surface of the cleaning rod 5, the delay rod 26 is slidably connected to the delay block 25, and a delay spring 27 is fixedly connected between the delay rod 26 and the cleaning rod 5; the delay block 25 can further block the sliding of the cleaning rod 5, and after the driving rod 18 slides, the connecting belt 22 is in a relaxed state, at this time the delay rod 26 is blocked by the delay block 25, and the delay rod 26 and the cleaning rod 5 cannot slide under the action of the connecting spring 8, and when the delay block 25 contacts and moves with the component, the delay rod 26 disengages from the delay block 25, and the connecting spring 8 drives the cleaning rod 5 to slide, and the cleaning rod 5 cleans the surface of the component;

[0039] In some specific embodiments, the surface of the cleaning rod 5 is detachably connected to a scraper rod 28, the surface of the cleaning rod 5 is fixedly connected to a connecting hook, the surface of the scraper rod 28 is provided with a disassembly groove, the disassembly groove is adapted to the connecting hook, and the surfaces of the scraper rod 28 and the cleaning rod 5 are fixedly connected to a magnetic rod; through the connecting hook and the magnetic rod, the cleaning rod 5 and the scraper rod 28 can be disassembled, which facilitates the replacement of a damaged scraper rod 28 and ensures the cleaning effect of the cleaning rod 5;

[0040] Working principle of the present invention:

[0041] During use, the nozzle bracket 1 approaches the component, and the component first contacts the driving block 6. The driving block 6 slides to drive the driving rod 18 to slide, and drives the driving ring 20 to rotate through the driving column 21 and the spiral groove 19. The connecting belt 22 relaxes, and the nozzle bracket 1 continues to approach the component. The delay block 25 is squeezed and moved by the component, and the delay block 25 is separated from the delay rod 26. The cleaning rod 5 slides under the action of the connecting spring 8, and the cleaning rod 5 moves on the surface of the component to clean the surface of the component. Finally, the component contacts the nozzle core 2 and is fixed on the surface of the nozzle bracket 1 under the action of the nozzle core 2. The nozzle bracket 1 is then controlled to slide to complete the mounting. After the component is separated from the nozzle core 2, the driving spring 7 pushes the driving block 6 to reset, and the driving ring 20 pulls the connecting belt 22 to prompt the cleaning rod 5 to reset.

[0042] The above disclosures are only a few specific embodiments of the present invention. However, the embodiments of the present invention are not limited thereto. Any changes that can be conceived by those skilled in the art should fall within the scope of protection of the present invention.

Claims

1. A patch device with visual inspection function, characterized in that: The invention comprises a nozzle support (1) rotatably arranged inside a placement machine, wherein a plurality of nozzle cores (2) are detachably provided on the surface of the nozzle support (1), and a cleaning mechanism is provided on the surface of the nozzle core (2), wherein the cleaning mechanism comprises: A connecting ring (3), the connecting ring (3) is detachably arranged inside the nozzle core (2), a support ring (4) is rotatably connected to the surface of the connecting ring (3), and a positioning assembly is provided between the support ring (4) and the connecting ring (3); A cleaning rod (5) is slidably arranged inside a support ring (4), a driving block (6) is slidably connected inside the support ring (4), a driving spring (7) is fixedly connected between the driving block (6) and the support ring (4), a driving assembly is arranged between the driving block (6) and the cleaning rod (5), a connecting spring (8) is fixedly connected between the cleaning rod (5) and the support ring (4), and a delay assembly is arranged between the cleaning rod (5) and the support ring (4).

2. A patch device with a visual inspection function as claimed in claim 1, characterized in that: The connecting ring (3) is fixedly connected to a connecting column (9) on the side away from the supporting ring (4); the cross section of the connecting column (9) is T-shaped; a connecting groove (10) and a cylindrical groove (11) are provided on the surface of the suction nozzle core (2); the connecting groove (10) is adapted to the connecting column (9); the cylindrical groove (11) is connected to one end of the connecting groove (10); and a fixing component is provided between the connecting column (9) and the suction nozzle core (2).

3. A patch device with a visual inspection function as claimed in claim 2, characterized in that: The fixing assembly comprises a fixing rod (12) slidably arranged inside the nozzle core (2), the cross section of the fixing rod (12) being L-shaped, and the fixing rod (12) close to the connecting ring (3) and the connecting column (9) close to the connecting ring (3) are located on the same horizontal plane.

4. A patch device with a visual inspection function as claimed in claim 3, characterized in that: A rounded corner is provided on one side of the fixing rod (12) close to the cylindrical groove (11), and a fixing spring (13) is fixedly connected between the fixing rod (12) and the suction nozzle core (2).

5. The patch device with visual inspection function according to claim 1, characterized in that: The positioning assembly comprises a positioning block (14) fixedly arranged on the surface of the support ring (4); an annular groove (15) is provided on the surface of the connecting ring (3); the positioning block (14) is adapted to the annular groove (15); a positioning rod (16) is internally threadedly connected to the positioning block (14); a plurality of arc grooves (17) are provided on the surface of the connecting ring (3); the arc grooves (17) are adapted to one end of the positioning rod (16) away from the positioning block (14).

6. The patch device with visual inspection function according to claim 1, characterized in that: The driving assembly comprises a driving block (6) fixedly connected to a driving rod (18) on one side close to the connecting ring (3), a spiral groove (19) being provided on the surface of the driving rod (18), a driving ring (20) being rotatably connected inside the supporting ring (4), a driving column (21) being fixedly connected to the surface of the driving ring (20), the driving column (21) being adapted to the spiral groove (19), and a connecting belt (22) being fixedly connected between the driving ring (20) and the cleaning rod (5).

7. A patch device with a visual inspection function as claimed in claim 6, characterized in that: The connecting spring (8) is sleeved on the surface of the connecting belt (22); a sliding shaft (23) is fixedly connected to the surface of the supporting ring (4); a sliding groove (24) is provided on the surface of the cleaning rod (5); and the sliding shaft (23) is adapted to the sliding groove (24).

8. The patch device with visual inspection function according to claim 7, characterized in that: A through groove is provided inside the sliding shaft (23), the cross section of the through groove is L-shaped, and the through groove is adapted to the connecting belt (22).

9. The patch device with visual inspection function according to claim 1, characterized in that: The delay assembly comprises a delay block (25) slidably arranged on the surface of the support ring (4); the delay block (25) is provided with a rounded corner on a side close to the support ring (4); a delay rod (26) is slidably connected to the surface of the cleaning rod (5); the delay rod (26) is slidably connected to the delay block (25); and a delay spring (27) is fixedly connected between the delay rod (26) and the cleaning rod (5).

10. The patch device with visual inspection function according to claim 1, characterized in that: The surface of the cleaning rod (5) is detachably connected to a scraper rod (28), the surface of the cleaning rod (5) is fixedly connected to a connecting hook, the surface of the scraper rod (28) is provided with a disassembly groove, the disassembly groove is adapted to the connecting hook, and the surfaces of the scraper rod (28) and the cleaning rod (5) are both fixedly connected to magnetic rods.

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