Clamp for thin PCB (Printed Circuit Board)
By designing a thin PCB board fixture with an elastic clamping mechanism, the deviation problem of thin PCB board due to external factors on the production assembly line is solved, and the normal production of thin PCB board in each process is achieved and the order requirements of the thin PCB board is met in various processes. .
Patent Information
- Application Number
- CN202421207233.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-30
- Publication Date
- 2025-02-18
- Estimated Expiration
- 2034-05-30
AI Technical Summary
Thin PCB boards are easily affected by external factors on the production assembly line, causing floating, skew, curling, and deviation, which affects the normal production. The deviation of the front end at the intersection of the process causes the partition or rolling roller to block, causing accumulation or lack of The material seriously affects production.
Design a clamp for thin PCB board, including a clamp and multiple clamping mechanisms. The clamping mechanism consists of a clamp and a clamp seat. The clamp and clamp seat have elastic functions through the optimization design and can firmly clamp the thin PCB board. Use your own weight and clamping force to pull the thin PCB board forward.
It effectively overcomes the deviation problem caused by external factors in the production assembly line, ensures the normal production of thin PCB boards in each process, avoids stacking and material shortage, and meets order requirements.
Smart Images
Figure CN222493943U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of PCB board production, in particular to a clamp for thin PCB boards. Background Art
[0002] The existing PCB production is inseparable from the production line (i.e., horizontal line). The production process of PCB includes multiple processing steps, and sometimes partitions are required to separate the processes. For ordinary PCBs, there is no problem in the transmission of PCBs on the production line and passing through the partitions between processes. However, for the production of thin PCBs, there are the following defects:
[0003] (1) Thin PCB boards may be affected by external factors (such as water spray cleaning or spraying or cold air cooling) on the production line, causing floating, skewing, curling, and deviation, which will affect the normal production of the process;
[0004] (2) At the intersection between processes, the front end of the thin PCB board is offset (such as curling), causing the partition or upper roller to block the thin PCB board from passing, resulting in accumulation in this process and lack of material in the next process, which seriously affects production.
[0005] In order not to affect the production of thin PCB boards, this solution proposes a clamp for thin PCB boards to solve the above defects. Utility Model Content
[0006] The invention of the utility model aims to solve the technical problem that in the production of thin PCB boards, the thin PCB boards on the production line will be affected by external factors and cause floating, skewing, curling and deviation, which will affect the normal production of the process. At the intersection between processes, the front end of the thin PCB board is offset, causing the partition or the upper roller to block the passage, resulting in accumulation in the process and lack of material in the next process, which seriously affects the production. The specific solution is as follows:
[0007] A clamp for a thin PCB board comprises a clamping plate, a plurality of clamping mechanisms are arranged at intervals on the edges of the same side of the clamping plate, the clamping mechanisms comprise a clamping piece and a clamping seat surrounding the clamping piece, a first interval is arranged between the clamping piece and the clamping seat, a second interval is arranged between the clamping seat near the end of the clamping plate and the end, a window is arranged in the middle of the clamping piece, the inner end of the clamping piece is connected to the clamping plate, the outer end of the clamping piece is used to clamp the front end upper surface of the thin PCB board, the inner end of the clamping seat is connected to the clamping plate, and the outer end of the clamping seat is used to clamp the front end lower surface of the thin PCB board.
[0008] Furthermore, the clamping plate is rectangular, and the clamping mechanism is arranged on the same long side of the rectangle.
[0009] Furthermore, the spacings between the clamping seats are equal.
[0010] Furthermore, the clamping piece and the main body of the clamping seat form a semi-circular shape.
[0011] Furthermore, the outer dimensions of the clamping seat are: 20mm×10mm.
[0012] Furthermore, the width of the long side of the main body of the clamp seat is 3mm, and the width of the short side of the main body of the clamp seat is 4mm.
[0013] Furthermore, the outer dimensions of the clip are: 9mm×7mm.
[0014] Furthermore, the main body width of the clip is 3 mm.
[0015] Furthermore, the first interval is a U-shaped hollow, and the clip and the clip seat are an integral structure with the clamping plate.
[0016] Furthermore, the dimensions of the clamping plate are: length 620 mm×width 150 mm×thickness 0.6-0.8 mm, and the dimensions of the thin PCB board are: length 620 mm×width 518 mm×thickness 0.15-0.3 mm.
[0017] In summary, the technical solution of the utility model has the following beneficial effects: the clamp of the solution is combined with the thin PCB board, and the clamp is located on the side of the thin PCB board facing the production line. The clamp pulls the thin PCB board forward, overcomes the defects in the background technology, and ensures that the thin PCB board can be normally produced and processed in each process on the production line to meet the order requirements. The material of the clamp is epoxy resin, which is easy to obtain, and the clamp structure is simple and easy to use. The clip of the solution has an elastic effect and an elastic space through the window, and the clamp seat has an elastic effect and an elastic space through the U-shaped hollowing of the first interval, so that the thin PCB board can be clamped. Moreover, through the optimization design of the main body size parameters of the clip and the clamp seat, the clip and the clamp seat are given elasticity, and the clip and the clamp seat are guaranteed not to break during repeated clamping. When in use, it is only necessary to align the clip and the clamp seat in sequence and clamp them on the upper and lower edges of the thin PCB board, which is convenient to operate. The various dimensional parameters of the clamping plate, clamping piece and clamping seat on the clamp of this solution have been repeatedly optimized and experimentally verified to ensure the best effects of material saving, weight balance and appropriate clamping force. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] In order to more clearly illustrate the technical solution of the embodiment of the utility model, the following is a brief introduction to the drawings required for the description of the embodiment of the utility model. Obviously, the drawings described below are only part of the embodiments of the utility model, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor.
[0019] Figure 1 This is a schematic diagram of a clamp for a thin PCB board and a thin PCB assembly according to the utility model;
[0020] Figure 2 This is a schematic diagram of the structure of a clamp for a thin PCB board according to the utility model;
[0021] Figure 3 It is a cross-sectional view of the production line of the utility model.
[0022] Description of reference numerals:
[0023] 1- clamping plate, 2- clamping piece, 3- clamping seat, 31- long side of the main body, 32- short side of the main body, 4- first interval, 5- second interval, 6- window, 7- transmission roller, 71- upper roller, 8- wire frame, 9- partition, 91- board window, 10- thin PCB board. DETAILED DESCRIPTION
[0024] 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.
[0025] like Figure 1 , 2 As shown in Figure 3, a clamp for a thin PCB board comprises a clamp 1, and a plurality of clamping mechanisms are arranged at intervals on the edges of the same side of the clamp 1. In this embodiment, five clamping mechanisms are preferably arranged, and the clamping mechanisms comprise a clamping piece 2 and a clamping seat 3 surrounding the clamp 2. A first interval 4 is arranged between the clamp 2 and the clamping seat 3, and a second interval 5 is arranged between the clamping seat 3 near the end of the clamp 1 and the end. In this embodiment, the second interval 5 is preferably 10 mm. A window 6 is arranged in the middle of the clamp 2. In this embodiment, the window 6 is preferably rectangular. The inner end of the clamp 2 is connected to the clamp 1, and the outer end of the clamp 2 is used to clamp the upper surface of the front end (i.e., the end facing the direction of advance of the production line) of the thin PCB board 10. The inner end of the clamping seat 3 is connected to the clamp 1, and the outer end of the clamping seat 3 is used to clamp the lower surface of the front end of the thin PCB board 10.
[0026] Specifically, the clamping plate 1 is rectangular, and the clamping mechanisms are arranged on the same long side of the rectangle.
[0027] Specifically, the intervals between the clamping seats 3 are equal.
[0028] Specifically, the main bodies of the clip 2 and the clip seat 3 form a semi-circular shape.
[0029] Specifically, the outer dimensions of the clamping seat 3 are: 20 mm×10 mm.
[0030] Specifically, the width of the main body long side 31 of the clamp seat 3 is 3 mm, and the width of the main body short side 32 of the clamp seat is 4 mm.
[0031] Specifically, the outer dimensions of the clip 2 are: 9 mm×7 mm.
[0032] Specifically, the main body width of the clip 2 is 3 mm.
[0033] Specifically, the first spacer 4 is a U-shaped hollow, and the clip 2 and the clip seat 3 are an integral structure with the clamping plate 1 .
[0034] Specifically, the dimensions of the clamping plate 1 are: length 620 mm×width 150 mm×thickness 0.6-0.8 mm, and the dimensions of the thin PCB board 10 are: length 620 mm×width 518 mm×thickness 0.15-0.3 mm. The dimension error range in this solution is: -0 to +0.2 mm.
[0035] The clip 2 of the present solution has elasticity and elastic space through the window 6, and the clamp seat 3 has elasticity and elastic space through the U-shaped hollowing out of the first spacer 4, so that the thin PCB board 10 can be clamped, and the main body size parameters of the clip 2 and the clamp seat 3 are optimized, which not only gives the clip 2 and the clamp seat 3 elasticity, but also ensures that the clip 2 and the clamp seat 3 will not break during repeated clamping.
[0036] When using the clamp of this scheme, it is only necessary to align the clamping piece 2 and the clamping seat 3 in sequence and clamp them on the upper and lower edges of the thin PCB board, which is convenient to operate. In this embodiment, the front end of the thin PCB board, i.e., the long side, is clamped.
[0037] like Figure 3As shown, the production line (i.e., the horizontal line) is composed of a plurality of neatly arranged transmission rollers 7 and a line frame 8. A partition 9 is provided between the current process and the next process. The partition 9 is provided with a board window 91 for allowing the PCB board (i.e., the clamp and the thin PCB board 10 in this solution) to pass through. An upper roller 71 is provided on the upper side of the board window 91. The clamp and the thin PCB board 10 are placed on the production line and driven by the transmission roller 7. Since the clamp plays a dual role of balancing weight and clamping the thin PCB board 10, the defect of the thin PCB board 10 being affected by external factors and causing floating, skewing, curling, and deviation to affect the normal production of the process is overcome. At the same time, the defect of the front end of the PCB board 10 being offset (such as curling at the front end) causing the partition 9 or the upper roller 71 to block the thin PCB board 10 from passing through is overcome, resulting in accumulation in the current process and shortage of materials in the next process.
[0038] By using the optimal size parameters in this solution, the phenomenon of breaking the clip 2 and the clamp seat 3 will not occur, and the clamping effect of the clip 2 and the clamp seat 3 is the best, and the weight of the clamp 1 is the most appropriate. It is particularly noted that the optimal size parameters in this solution are the optimal configuration based on the specific size specifications of the thin PCB board 10 (i.e., length 620mm×width 518mm×thickness 0.15-0.3mm). If it is used for the matching fixture of thin PCB boards of other size specifications, relevant parameter adjustment and verification work are required, but the design principle of this solution is universal.
[0039] In summary, the technical solution of the utility model has the following beneficial effects: the clamp of the solution is combined with the thin PCB board, and the clamp is located on the side of the thin PCB board facing the production line. The clamp pulls the thin PCB board forward, overcomes the defects in the background technology, and ensures that the thin PCB board can be normally produced and processed in each process on the production line to meet the order requirements. The material of the clamp is epoxy resin, which is easy to obtain, and the clamp structure is simple and easy to use. The clip of the solution has an elastic effect and an elastic space through the window, and the clamp seat has an elastic effect and an elastic space through the U-shaped hollowing of the first interval, so that the thin PCB board can be clamped. Moreover, through the optimization design of the main body size parameters of the clip and the clamp seat, the clip and the clamp seat are given elasticity, and the clip and the clamp seat are guaranteed not to break during repeated clamping. When in use, it is only necessary to align the clip and the clamp seat in sequence and clamp them on the upper and lower edges of the thin PCB board, which is convenient to operate. The various dimensional parameters of the clamping plate, clamping piece and clamping seat on the clamp of this solution have been repeatedly optimized and experimentally verified to ensure the best effects of material saving, weight balance and appropriate clamping force.
[0040] The above-described implementation methods do not constitute a limitation on the protection scope of the technical solution. Any modification, equivalent replacement and improvement made within the spirit and principle of the above-described implementation methods shall be included in the protection scope of the technical solution.
Claims
1. A clamp for a thin PCB board, characterized in that: It includes a clamping plate, and a plurality of clamping mechanisms are arranged at intervals on the edges of the same side of the clamping plate, the clamping mechanism includes a clamping piece and a clamping seat surrounding the clamping piece, a first interval is arranged between the clamping piece and the clamping seat, a second interval is arranged between the clamping seat near the end of the clamping plate and the end, a window is arranged in the middle of the clamping piece, the inner end of the clamping piece is connected to the clamping plate, the outer end of the clamping piece is used to clamp the front end upper surface of the thin PCB board, the inner end of the clamping seat is connected to the clamping plate, and the outer end of the clamping seat is used to clamp the front end lower surface of the thin PCB board.
2. A clamp for a thin PCB board according to claim 1, characterized in that: The clamping plate is rectangular, and the clamping mechanism is arranged on the same long side of the rectangle.
3. A clamp for a thin PCB board according to claim 1, characterized in that: The distances between the clamp seats are equal.
4. The clamp for a thin PCB board according to claim 1, characterized in that: The clamping piece and the main body of the clamping seat form a semi-circular shape.
5. A clamp for a thin PCB board according to claim 4, characterized in that: The outer dimensions of the clamping seat are: 20mm×10mm.
6. A clamp for a thin PCB board according to claim 5, characterized in that: The main body long side width of the clamp seat is 3mm, and the main body short side width of the clamp seat is 4mm.
7. A clamp for a thin PCB board according to claim 4, characterized in that: The outer dimensions of the clip are: 9mm×7mm.
8. A clamp for a thin PCB board according to claim 7, characterized in that: The main body width of the clip is 3mm.
9. The clamp for a thin PCB board according to claim 1, characterized in that: The first interval is a U-shaped hollow, and the clip and the clip seat are an integral structure with the clamping plate.
10. The clamp for a thin PCB board according to claim 1, characterized in that: The dimensions of the clamping plate are: length 620 mm×width 150 mm×thickness 0.6-0.8 mm, and the dimensions of the thin PCB board are: length 620 mm×width 518 mm×thickness 0.15-0.3 mm.