Precise alignment device for PCBA (printed circuit board assembly) multilayer board lamination
The PCBA multilayer board lamination precision alignment device uses mechanical limiting and transmission mechanisms to achieve rapid alignment of multilayer boards, solving the problem of interlayer misalignment and improving production efficiency and finished product quality.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SUZHOU HUILISHENG ELECTRONIC TECH CO LTD
- Filing Date
- 2025-04-15
- Publication Date
- 2026-04-21
AI Technical Summary
In the existing technology, during the lamination process of PCBA multilayer boards, problems such as interlayer circuit misalignment and via misalignment occur due to the cumulative thickness difference of the multilayer structure, the elastic deformation of the prepreg, and visual positioning errors caused by manual operation, which increases the scrap rate of finished products and production costs.
A PCBA multilayer board lamination precision alignment device is adopted. The mechanical limiting device clamps and aligns the four sides of the PCBA multilayer board, and the gear rack and ratchet pawl transmission mechanism realizes rapid reset, replacing manual alignment and ensuring the precise alignment of the multilayer structure.
It significantly reduces the risk of interlayer misalignment, reduces human visual fatigue, improves production efficiency, and reduces finished product scrap rate and production costs.
Smart Images
Figure CN224154430U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of PCBA multilayer board processing technology, and more specifically, it relates to a precise alignment device for PCBA multilayer board lamination. Background Technology
[0002] PCBA multilayer board lamination is a process that uses high temperature and high pressure to bond inner layers, outer layers, prepregs, and other materials into a whole, ensuring electrical connections and mechanical strength between layers to form a complete circuit board. During the lamination process, the multilayer components need to be stacked one on top of another on the placement tray of the laminator.
[0003] Based on the above, the stacking and alignment of multi-layer structures relies on manual operation. Inner layer boards, prepregs, outer copper foils and other materials need to be stacked sequentially on the laminator platform. Although the design allows for a certain alignment tolerance between layers, due to the cumulative thickness difference of the multi-layer structure, the elastic deformation characteristics of the prepreg, and the subjectivity and fatigue error of visual positioning in manual operation, the actual stacking error may exceed the error standard, resulting in problems such as misalignment of interlayer circuits and misalignment of vias, which increases the scrap rate of finished products and production costs. Summary of the Invention
[0004] To address the aforementioned technical problems, this utility model provides a precise alignment device for PCBA multilayer board lamination. This device solves the problem that the existing multilayer structure stacking and alignment relies on manual operation. It requires stacking materials such as inner layer boards, prepreg, and outer copper foil in sequence on the laminator platform. Although the design allows for a certain alignment tolerance between layers, due to the cumulative thickness difference of the multilayer structure, the elastic deformation characteristics of the prepreg, and the subjectivity and fatigue error of visual positioning in manual operation, the actual stacking error may exceed the error standard, leading to problems such as misalignment of interlayer circuits and via misalignment, which increases the scrap rate of finished products and production costs.
[0005] The purpose and effectiveness of this PCBA multilayer board lamination precision alignment device are achieved through the following specific technical means:
[0006] A PCBA multilayer board lamination precision alignment device includes an operating table, operating holes, a rear baffle, side baffles, a first push plate, a second push plate, a first drive shaft, an alignment and retrieval assembly, and a reset assembly. Two operating holes are provided, distributed inside the operating table. The rear baffle is an "L"-shaped mechanism, fixedly connected to the upper rear end of the operating table. Two side baffles are provided, distributedly and fixedly connected to the upper left side of the operating table. The first push plate is slidably connected inside the operating table. The second push plate is slidably connected inside the operating table. Two first drive shafts are provided, distributedly and rotatably connected inside the operating table. The alignment and retrieval assembly is located inside the operating table. The reset assembly is located inside the operating table.
[0007] Furthermore, the alignment and picking component includes: a transmission rack and transmission gears; two transmission racks are provided, and the two transmission racks are respectively fixedly connected to the left side of the first push plate and the front of the second push plate; two transmission gears are provided, and the two transmission gears are respectively coaxially fixedly connected to the outside of the two first transmission shafts, and the two transmission gears mesh with the two transmission racks respectively.
[0008] Furthermore, the alignment and picking assembly also includes: a limiting ratchet and a limiting pawl; two limiting ratchets are provided, and the two limiting ratchets are coaxially fixedly connected to the top of the two first drive shafts; two limiting pawls are provided, and the two limiting pawls are rotatably connected to the inside of the operating table, and the two limiting pawls respectively engage with the two limiting ratchets.
[0009] Furthermore, the alignment and retrieval assembly also includes: retrieval slots; two retrieval slots are provided, and the two retrieval slots are distributed on the left end of the operating table. The position of the front retrieval slot corresponds to the gap between the two side baffles, and the position of the rear retrieval slot corresponds to the gap between the left end of the rear baffle and the rear side baffle.
[0010] Furthermore, the alignment and retrieval component also includes: a placement box and fixing clips; the placement box is fixedly connected to the left side of the operating table; multiple fixing clips are provided, and the multiple fixing clips are placed separately inside the placement box.
[0011] Furthermore, the reset assembly includes: a reset spiral spring and a engagement spring; two reset spiral springs are provided, with the inner ends of the two reset spiral springs respectively fixedly connected to the bottom of the two first drive shafts, and the outer ends of the two reset spiral springs being dispersedly fixedly connected inside the operating table; two engagement springs are provided, with the inner ends of the two engagement springs being dispersedly fixedly connected inside the operating table, and the outer ends of the two engagement springs being dispersedly fixedly connected to the ends of the limiting pawls.
[0012] Compared with the prior art, the present invention has the following beneficial effects:
[0013] First, by pushing the first and second push plates inward, the front and rear sides of the PCBA multilayer board can be clamped between the rear baffle and the first push plate, and the left and right sides of the PCBA multilayer board can be clamped between the second push plate and the side baffle. During the process, the multilayer structure is squeezed and aligned. At the same time, the first and second push plates will stay in their current positions, making it convenient for the operator to take out the multilayer structure that is fixed by the fixing clamp from the take-up slot and place it in the laminator.
[0014] Secondly, by simply moving the end of the limiting pawl, the first drive shaft rotates rapidly under the rebound action of the reset spiral spring, causing the first and second push plates to quickly return to their initial positions, thus facilitating the lamination of the multi-layer structure of the next PCBA multi-layer board.
[0015] This invention uses a first and a second pusher plate to clamp and align the four sides of a PCBA multilayer board. Mechanical limits are used to maintain the positioning state, facilitating manual handling. After the limit pawl is moved, the first and second pusher plates quickly reset, enabling rapid and continuous alignment of multiple PCBA multilayer boards. By replacing manual alignment with mechanical limits, the risk of interlayer misalignment is significantly reduced, and visual fatigue is minimized, providing a reliable guarantee for PCBA multilayer board manufacturing. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model.
[0017] Figure 2 This is a schematic diagram of the transmission rack structure of this utility model.
[0018] Figure 3 This is a schematic diagram of the first transmission shaft structure of this utility model.
[0019] Figure 4 This is a schematic diagram of the retrieval slot structure of this utility model.
[0020] Figure 5 This is a schematic diagram of the placement box structure of this utility model.
[0021] In the diagram, the correspondence between component names and drawing numbers is as follows:
[0022] 1. Operating platform; 101. Operating hole; 102. Retrieval slot; 2. Rear baffle; 3. Side baffle; 4. First push plate; 5. Second push plate; 6. Transmission rack; 7. First transmission shaft; 701. Transmission gear; 702. Limiting ratchet; 703. Return spiral spring; 8. Limiting pawl; 801. Engaging spring; 9. Placement box; 10. Fixing clamp. Detailed Implementation
[0023] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model. Example
[0024] As attached Figure 1 To be continued Figure 5 As shown:
[0025] This utility model provides a precise alignment device for PCBA multilayer board lamination, including an operating table 1, operating holes 101, a rear baffle 2, side baffles 3, a first push plate 4, a second push plate 5, a first drive shaft 7, and an alignment and picking component; two operating holes 101 are provided, and the two operating holes 101 are distributed inside the operating table 1; the rear baffle 2 is an "L"-shaped mechanism, and the rear baffle 2 is fixedly connected to the upper rear end of the operating table 1; two side baffles 3 are provided, and the two side baffles 3 are distributedly and fixedly connected to the upper left side of the operating table 1; the first push plate 4 is slidably connected inside the operating table 1; the second push plate 5 is slidably connected inside the operating table 1; two first drive shafts 7 are provided, and the two first drive shafts 7 are distributedly and rotatably connected inside the operating table 1; the alignment and picking component is located inside the operating table 1.
[0026] The alignment and picking component includes: a transmission rack 6 and a transmission gear 701; two transmission racks 6 are provided, and the two transmission racks 6 are respectively fixedly connected to the left side of the first push plate 4 and the front of the second push plate 5; two transmission gears 701 are provided, and the two transmission gears 701 are respectively coaxially fixedly connected to the outside of the two first transmission shafts 7, and the two transmission gears 701 mesh with the two transmission racks 6 respectively.
[0027] The alignment and retrieval assembly also includes: a limiting ratchet 702 and a limiting pawl 8; two limiting ratchet 702s are provided, and the two limiting ratchet 702s are coaxially fixedly connected to the top of the two first drive shafts 7 respectively; two limiting pawls 8 are provided, and the two limiting pawls 8 are rotatably connected inside the operating table 1, and the two limiting pawls 8 respectively mesh with the two limiting ratchet 702s.
[0028] The alignment and retrieval assembly also includes a retrieval slot 102; two retrieval slots 102 are provided, and the two retrieval slots 102 are distributed on the left end of the operating table 1. The position of the front retrieval slot 102 corresponds to the gap between the two side baffles 3, and the position of the rear retrieval slot 102 corresponds to the gap between the left end of the rear baffle 2 and the rear side baffle 3.
[0029] The alignment and retrieval component also includes: a placement box 9 and a fixing clip 10; the placement box 9 is fixedly connected to the left side of the operating table 1; multiple fixing clips 10 are provided, and the multiple fixing clips 10 are placed separately inside the placement box 9.
[0030] The specific usage and function of this embodiment are as follows: In use, firstly, each layer of the PCBA multilayer board is placed sequentially on the operating table 1. Then, the first push plate 4 is pushed inwards until the front and rear sides of the PCBA multilayer board are clamped between the rear baffle 2 and the first push plate 4. The same operation is performed to push the second push plate 5, clamping the left and right sides of the PCBA multilayer board between the second push plate 5 and the side baffle 3. During this process, the multilayer structure is squeezed and aligned. During the pushing of the first push plate 4 and the second push plate 5, the transmission rack 6 is pushed synchronously and, through interaction with the transmission gear… The gear and rack transmission mechanism composed of 701 drives the first transmission shaft 7 to rotate. At the same time, under the restriction of the ratchet and pawl transmission mechanism composed of the meshing of the limiting ratchet 702 and the limiting pawl 8, the first transmission shaft 7 can only rotate in one direction, so that the first push plate 4 and the second push plate 5 will remain in the current position. Then, take out a fixing clip 10 from the placement box 9, put your hand into the picking slot 102, and clamp the multi-layer structure of the PCBA multi-layer board in this area with the fixing clip 10. Then, take out the PCBA multi-layer board after clamping and fixing, put it into the laminator, and then remove the fixing clip 10. Example
[0031] Based on Example 1, as shown in the appendix Figure 1 To be continued Figure 5 As shown, it also includes a reset component, which is located inside the control panel 1.
[0032] The reset assembly includes a reset spiral spring 703 and an engagement spring 801. Two reset spiral springs 703 are provided, with their inner ends fixedly connected to the bottom of the two first drive shafts 7 respectively, and their outer ends fixedly connected to the inside of the operating table 1. Two engagement springs 801 are provided, with their inner ends fixedly connected to the inside of the operating table 1, and their outer ends fixedly connected to the ends of the limiting pawls 8.
[0033] The specific usage and function of this embodiment: After the PCBA multilayer board is removed from the operating table 1, the hand is inserted into the operating hole 101, and the ends of the two limiting pawls 8 are respectively moved to disengage the limiting pawls 8 from the limiting ratchet 702, thereby releasing the restriction on the rotation direction of the first drive shaft 7. Under the rebound action of the reset spiral spring 703, the first drive shaft 7 rotates quickly, causing the first push plate 4 and the second push plate 5 to quickly return to their initial positions. Finally, the ends of the limiting pawls 8 are released, and under the rebound action of the engagement spring 801, the limiting pawls 8 and the limiting ratchet 702 re-engage, facilitating the alignment processing of the next PCBA multilayer board.
[0034] The following points should be noted in this article:
[0035] 1. The accompanying drawings of the embodiments disclosed herein only relate to the structures involved in the embodiments disclosed herein; other structures can be referred to in general design.
[0036] 2. Where there is no conflict, the embodiments of this disclosure and the features in the embodiments can be combined with each other to obtain new embodiments.
[0037] The above are merely specific embodiments of this disclosure, but the scope of protection of this disclosure is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in this disclosure should be included within the scope of protection of this disclosure. Therefore, the scope of protection of this disclosure should be determined by the scope of the claims.
Claims
1. A PCBA multilayer board lamination precision alignment device, comprising an operating table (1), an operating hole (101), a rear baffle (2), a side baffle (3), a first push plate (4), a second push plate (5), a first transmission shaft (7), an alignment and picking assembly, and a reset assembly; characterized in that: Two operation holes (101) are provided, and the two operation holes (101) are distributed inside the operating table (1); the rear baffle (2) is an "L" shaped mechanism, and the rear baffle (2) is fixedly connected to the upper rear end of the operating table (1); two side baffles (3) are provided, and the two side baffles (3) are distributedly fixedly connected to the upper left side of the operating table (1); the first push plate (4) is slidably connected inside the operating table (1); the second push plate (5) is slidably connected inside the operating table (1); two first drive shafts (7) are provided, and the two first drive shafts (7) are distributedly rotatably connected inside the operating table (1); the alignment and picking component is provided inside the operating table (1); the reset component is provided inside the operating table (1).
2. The PCBA multi-layer board lamination precision alignment device of claim 1, wherein: The alignment and picking assembly includes: a transmission rack (6) and a transmission gear (701); two transmission racks (6) are provided, and the two transmission racks (6) are respectively fixedly connected to the left side of the first push plate (4) and the front of the second push plate (5); two transmission gears (701) are provided, and the two transmission gears (701) are respectively coaxially fixedly connected to the outside of the two first transmission shafts (7), and the two transmission gears (701) mesh with the two transmission racks (6) respectively.
3. The PCBA multi-layer board lamination precision alignment device of claim 2, wherein: The alignment and picking assembly further includes: a limiting ratchet (702) and a limiting pawl (8); two limiting ratchets (702) are provided, and the two limiting ratchets (702) are coaxially fixedly connected to the top of the two first transmission shafts (7); two limiting pawls (8) are provided, and the two limiting pawls (8) are rotatably connected to the inside of the operating table (1), and the two limiting pawls (8) are respectively engaged with the two limiting ratchets (702).
4. The PCBA multi-layer board lamination precision alignment device of claim 1, wherein: The alignment and picking component also includes: picking slots (102); two picking slots (102) are provided, and the two picking slots (102) are distributed on the left end of the operating table (1). The position of the front picking slot (102) corresponds to the gap between the two side baffles (3), and the position of the rear picking slot (102) corresponds to the gap between the left end of the rear baffle (2) and the rear side baffle (3).
5. The PCBA multi-layer board lamination precision alignment device of claim 1, wherein: The alignment and retrieval component also includes: a placement box (9) and a fixing clip (10); the placement box (9) is fixedly connected to the left side of the operating table (1); multiple fixing clips (10) are provided, and the multiple fixing clips (10) are placed separately inside the placement box (9).
6. The PCBA multilayer board lamination precision alignment device as described in claim 1, characterized in that: The reset assembly includes a reset spiral spring (703) and a engagement spring (801). Two reset spiral springs (703) are provided, with the inner ends of the two reset spiral springs (703) respectively fixedly connected to the bottom of the two first transmission shafts (7), and the outer ends of the two reset spiral springs (703) are dispersedly fixedly connected to the inside of the operating table (1). Two engagement springs (801) are provided, with the inner ends of the two engagement springs (801) dispersedly fixedly connected to the inside of the operating table (1), and the outer ends of the two engagement springs (801) dispersedly fixedly connected to the end of the limiting pawl (8).