Chip mounter PCB positioning mechanism

Abstract

The utility model relates to the field of chip mounters, and discloses a chip mounter PCB positioning mechanism which comprises a workbench, the left side of the outside of the workbench is rotatably connected with a protective door, the inside of the workbench is fixedly connected with two driving assemblies, the outside of each driving assembly is fixedly connected with two first sleeves, and the two first sleeves are fixedly connected with two second sleeves. A second sleeve is slidably connected to the outer portion of the first sleeve, a first spring is arranged in the first sleeve, a clamping plate is fixedly connected to the end, away from the first sleeve, of the second sleeve, a cooling assembly is arranged in the workbench, a hydraulic cylinder is fixedly connected to the top of the workbench, and a fixing plate is fixedly connected to the bottom of the hydraulic cylinder. According to the utility model, the PCB can be clamped, the PCB can be ensured to be kept at a fixed position in the chip mounting process, so that the element is ensured to be placed at an accurate position, the PCB is vibrated, bubbles in glue are discharged, and the chip mounting quality is improved.

Description

Technical Field

[0001] The utility model relates to the field of chip mounters, in particular to a PCB board positioning mechanism of a chip mounter. Background Art

[0002] The PCB board of the SMT machine refers to the PCB used in the equipment for surface mount technology. In electronic manufacturing, various electronic components are usually installed on the PCB board, such as resistors, capacitors, transistors, etc., to complete the connection and control of the circuit. The PCB board of the SMT machine is one of the core components in the SMT process, which is responsible for accurately mounting various surface mount components on the PCB board.

[0003] After searching, the Chinese patent announcement number: CN217591252U discloses a flow-type placement machine, which is applied to the field of placement machines. The product includes a placement machine body, and also includes an assembly line seat, a feed conveying mechanism, a PCB board lifting and positioning device and a discharge conveying device arranged on the placement machine body. The assembly line seat is divided into a PCB waiting area, a PCB working area and a PCB board discharge area in sequence. The PCB waiting area and the PCB working area are provided with a feed conveying mechanism, and the PCB working area is provided with a PCB board lifting and positioning device; the PCB board discharge area is provided with a discharge conveying device. The placement machine of this product divides a whole section of the assembly line into three parts, which can hold three PCB boards, can reduce the movement time, and greatly improve the production efficiency.

[0004] Regarding the above-mentioned related technologies, the inventor believes that the above-mentioned patent mentioned that "three PCB boards can be placed. For example, a patch process originally requires 1.2 meters of movement time, which can eventually be reduced to 0.4 meters of movement time, greatly improving production efficiency." However, during the actual use process, the PCB board is not positioned and clamped, resulting in an unstable position of the PCB board, which is easy to move or offset during the patch process, resulting in inaccurate component placement, thereby affecting the quality and precision of the patch. For this reason, a PCB board positioning mechanism for a patch machine is proposed to solve the above problems. Utility Model Content

[0005] In order to remedy the above deficiencies, the utility model provides a PCB board positioning mechanism for a patch machine, aiming to improve the problem in the prior art that the PCB board is not positioned and clamped, resulting in an unstable position of the PCB board, which is easy to move or offset during the patch process, resulting in inaccurate component placement, thereby affecting the quality and accuracy of the patch.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a PCB board positioning mechanism for a placement machine, comprising a workbench, a protective door rotatably connected to the left side of the outside of the workbench, two driving components fixedly connected to the inside of the workbench, two sleeves 1 fixedly connected to the outside of the driving component, sleeve 1 slidably connected to the outside of sleeve 1, a spring 1 is arranged inside the sleeve 1, a clamp is fixedly connected to the end of sleeve 2 away from sleeve 1, a cooling component is arranged inside the workbench, a hydraulic cylinder is fixedly connected to the top of the workbench, and a fixed plate is fixedly connected to the bottom of the hydraulic cylinder.

[0007] Furthermore, the driving assembly includes a cylinder, a driving end of the cylinder is fixedly connected to a push plate, and the outside of the cylinder is fixedly connected to the inside of the workbench.

[0008] Furthermore, the cooling assembly includes a cooling fan, and the exterior of the cooling fan is fixedly connected to the interior of the workbench.

[0009] Furthermore, a glue dropper head is detachably connected to the interior of the fixed plate, two springs 2 are fixedly connected to the interior of the fixed plate, a movable column is provided inside the spring 2, a rotating block is fixedly connected to the end of the movable column away from the fixed plate, two fixing grooves are provided inside the fixed plate, and two card slots are provided inside the glue dropper head.

[0010] Furthermore, a spring sleeve is fixedly connected to the top of the fixing plate, and a pressing plate is fixedly connected to the top of the spring sleeve.

[0011] Furthermore, one end of the spring one is fixedly connected to the inside of the sleeve one, and the other end of the spring one is fixedly connected to the inside of the sleeve two.

[0012] Furthermore, the outer portion of the rotating block is rotatably connected to the inner portion of the fixing groove, and the inner portion of the rotating block is engaged with the clamping groove.

[0013] Furthermore, a spring is arranged inside the spring sleeve, and the outer wall of the pressure plate is slidably connected to the inside of the fixing plate.

[0014] The utility model has the following beneficial effects:

[0015] 1. In the utility model, by using the push plate, sleeve 1, spring 1, clamping plate and other structures in coordination, the PCB can be clamped to ensure that it remains in a fixed position during the patch process, thereby ensuring that the components are placed in the correct position, and at the same time, the PCB board is vibrated to discharge the bubbles in the glue, thereby improving the patch quality.

[0016] 2. In the utility model, by using the pressure plate, the rotating block, the second spring, the moving column and other structures in coordination, the glue drop head can be quickly disassembled, replaced or cleaned without the aid of technical tools, and the generation of bubbles caused by residues or blockage of the glue drop head is prevented, thereby improving the quality of the patch. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A three-dimensional schematic diagram of a PCB board positioning mechanism for a placement machine proposed by the utility model;

[0018] Figure 2 A schematic diagram of the workbench structure of a PCB board positioning mechanism for a placement machine proposed by the utility model;

[0019] Figure 3 The utility model provides a schematic diagram of the fixed plate structure of the PCB positioning mechanism of a placement machine.

[0020] Legend:

[0021] 1. Workbench; 2. Protective door; 3. Cylinder; 4. Push plate; 5. Sleeve 1; 6. Sleeve 2; 7. Spring 1; 8. Clamp; 9. Cooling fan; 10. Hydraulic cylinder; 11. Fixed plate; 12. Glue dispenser; 13. Spring 2; 14. Moving column; 15. Rotating block; 16. Fixed slot; 17. Card slot; 18. Spring sleeve; 19. Press plate. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Reference Figure 1 - Figure 2 As shown, the utility model provides an embodiment: a PCB board positioning mechanism for a placement machine, including a workbench 1, a protective door 2 is rotatably connected to the left side of the outside of the workbench 1, and the protective door 2 is used to protect the staff. The inside of the workbench 1 is fixedly connected with two driving components, and the driving component includes a cylinder 3. The cylinder 3 provides power to the clamping mechanism. The driving end of the cylinder 3 is fixedly connected with a push plate 4, and a sleeve 5 is installed through the push plate 4. The outside of the cylinder 3 is fixedly connected to the inside of the workbench 1, and the outside of the driving component is fixedly connected to two sleeves 5.

[0024] The outside of sleeve 15 is slidably connected with sleeve 26, and a spring 17 is arranged inside sleeve 15, and elastic force is provided by the elastic force of spring 17. One end of spring 17 is fixedly connected to the inside of sleeve 15, and the other end of spring 17 is fixedly connected to the inside of sleeve 26. The end of sleeve 26 away from sleeve 15 is fixedly connected with clamping plate 8, and the workpiece is clamped by clamping plate 8, so that the device can clamp PCB boards of different sizes. A cooling component is arranged inside the workbench 1, and the cooling component includes a cold fan 9. The processing part is cooled by the cold fan 9. The outside of the cold fan 9 is fixedly connected to the inside of the workbench 1. The top of the workbench 1 is fixedly connected with a hydraulic cylinder 10.

[0025] Reference Figure 2 - Figure 3 As shown, a fixed plate 11 is fixedly connected to the bottom of the hydraulic cylinder 10, and a glue dropper 12 is detachably connected to the interior of the fixed plate 11, and glue is dropped through the glue dropper 12 for patch pasting, and two springs 13 are fixedly connected to the interior of the fixed plate 11, and the glue dropper 12 is connected to a rotating block 15 through the spring 13, and a moving column 14 is arranged inside the spring 13, and the moving column 14 prevents the spring 13 from being deformed, and the rotating block 15 is fixedly connected to one end of the moving column 14 away from the fixed plate 11.

[0026] The rotating block 15 is engaged with the glue dropper head 12, two fixed grooves 16 are provided inside the fixed plate 11, and two card slots 17 are provided inside the glue dropper head 12. The fixed grooves 16 provide movement space for the rotating block 15, the outside of the rotating block 15 is rotatably connected to the inside of the fixed grooves 16, and the inside of the rotating block 15 is engaged with the card slots 17. A spring sleeve 18 is fixedly connected to the top of the fixed plate 11, and a pressure plate 19 is supported and reset by the spring sleeve 18. A pressure plate 19 is fixedly connected to the top of the spring sleeve 18, and the rotating block 15 moves by pressing the pressure plate 19.

[0027] Working principle: When the staff needs to mount the PCB board, open the protective door 2, place the workpiece inside the workbench 1, turn on the cylinder 3, so that the cylinder 3 pushes the push plate 4 to move, and under the thrust of the spring 7 inside the sleeve 1 5 and the sleeve 2 6, the clamping plate 8 flexibly clamps the workpiece, while clamping the workpiece, it will not damage the surface of the workpiece. After clamping the workpiece, turn on the hydraulic cylinder 10 to move the hydraulic cylinder 10, so that the glue head 12 drips glue on the surface of the workpiece. After the patch is mounted, start Start the cooling fan 9 to cool the processing part. When the glue head 12 needs to be replaced or cleaned, press the pressing plate 19 so that the pressing plate 19 compresses the spring inside the spring sleeve 18, so that the pressing plate 19 moves inside the fixed plate 11, so that the pressing plate 19 pushes the rotating block 15 to move, and moves inside the slot 17. Under the elastic force of the spring 13, the movable column 14 moves inside the fixed slot 16, thereby canceling the engagement between the rotating block 15 and the glue head 12, thereby realizing the disassembly of the glue head 12.

[0028] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A PCB board positioning mechanism for a chip placement machine, comprising a workbench (1), characterized in that: The left side of the outside of the workbench (1) is rotatably connected to a protective door (2); the inside of the workbench (1) is fixedly connected to two driving components; the outside of the driving components is fixedly connected to two sleeves (5); the outside of the sleeve (5) is slidably connected to a sleeve (6); a spring (7) is provided inside the sleeve (5); the end of the sleeve (6) away from the sleeve (5) is fixedly connected to a clamp (8); a cooling component is provided inside the workbench (1); the top of the workbench (1) is fixedly connected to a hydraulic cylinder (10); the bottom of the hydraulic cylinder (10) is fixedly connected to a fixed plate (11).

2. A PCB board positioning mechanism for a chip mounter according to claim 1, characterized in that: The driving assembly comprises a cylinder (3), the driving end of the cylinder (3) is fixedly connected to a push plate (4), and the outside of the cylinder (3) is fixedly connected to the inside of the workbench (1).

3. A PCB board positioning mechanism for a chip mounter according to claim 1, characterized in that: The cooling assembly comprises a cooling fan (9), the exterior of the cooling fan (9) being fixedly connected to the interior of the workbench (1).

4. A PCB board positioning mechanism for a chip mounter according to claim 1, characterized in that: The fixed plate (11) is detachably connected to a glue dropper (12), the fixed plate (11) is fixedly connected to two springs (13), a movable column (14) is arranged inside the springs (13), a rotating block (15) is fixedly connected to one end of the movable column (14) away from the fixed plate (11), two fixed grooves (16) are provided inside the fixed plate (11), and two clamping grooves (17) are provided inside the glue dropper (12).

5. A PCB board positioning mechanism for a chip mounter according to claim 4, characterized in that: The top of the fixed plate (11) is fixedly connected to a spring sleeve (18), and the top of the spring sleeve (18) is fixedly connected to a pressing plate (19).

6. A PCB board positioning mechanism for a chip mounter according to claim 1, characterized in that: One end of the spring one (7) is fixedly connected to the inside of the sleeve one (5), and the other end of the spring one (7) is fixedly connected to the inside of the sleeve two (6).

7. A PCB board positioning mechanism for a chip mounter according to claim 4, characterized in that: The outside of the rotating block (15) is rotatably connected to the inside of the fixing groove (16), and the inside of the rotating block (15) is engaged with the clamping groove (17).

8. A PCB board positioning mechanism for a chip mounter according to claim 5, characterized in that: A spring is arranged inside the spring sleeve (18), and the outer wall of the pressing plate (19) is slidably connected to the inside of the fixing plate (11).

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