PCBA (Printed Circuit Board Assembly) production detection table
Through the design of lifting fixtures and replaceable fixtures, the problem of time-consuming replacement and adjustment of testing equipment in the prior art is solved, and the PCBA production inspection is efficient and low-cost to adapt to the inspection needs of different circuit boards.
Patent Information
- Application Number
- CN202422830907.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-20
- Publication Date
- 2025-08-01
- Estimated Expiration
- 2034-11-20
AI Technical Summary
During the production and testing process of existing PCBA, the replacement of testing equipment and adjustment of fixtures takes a long time, resulting in an increase in testing costs and it is impossible to quickly adapt to the testing needs of different products.
A PCBA production inspection table is designed, adopting lifting fixtures and replaceable fixture structures. The detection probe is aligned with the circuit board contacts through the telescopic cylinder drive, which supports rapid replacement of fixtures to adapt to different circuit board inspections, reducing equipment replacement and adjustment time.
It realizes rapid detection of different PCBA circuit boards, reduces detection costs, improves detection efficiency, and avoids the preparation and adjustment of multiple devices.
Smart Images
Figure CN223180355U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of PCBA detection, in particular to a PCBA production detection table. Background Technique
[0002] PCBA production refers to the process of soldering electronic components to a printed circuit board (PCB). This process is the core link in the manufacturing of electronic products. During the entire PCBA production process, quality control is very crucial. Production enterprises need to follow strict quality management systems to ensure that every link can meet the high standards of electronic products.
[0003] During the detection process, it is usually necessary to place the circuit board between fixtures. By using the pressing of the fixtures, the detection probes on the fixtures are made to abut against the metal detection contacts on the circuit board. Then, a dedicated detector can quickly complete the detection. The positions of the detection probes on each detection fixture are fixed, and only specific circuit board quality detections can be carried out. If the product type is changed during the production process, it is necessary to replace or reinstall the detection equipment. Using multiple detection fixtures will increase the detection cost, and the adjustment of the fixed detection probe positions on a single fixture also requires a long time, which will delay the production detection time. Content of the Utility Model
[0004] The purpose of the utility model is to provide a PCBA production detection table to solve the problems raised in the above background technique.
[0005] To achieve the above purpose, the utility model provides the following technical solution: It includes a detection table and a detector. An installation plate is fixed above the detection table through columns. The detector is fixed at the upper end of the installation plate. A connection line is arranged on the detector. The end of the connection line is fixed with a connection socket. A detection probe is fixed on the connection socket. A lifting fixture is arranged between the detection table and the installation plate. A replacement fixture is installed at the middle position of the lifting fixture. The columns pass through the four corners of the lifting fixture and are slidably connected with the lifting fixture. A telescopic cylinder for driving the lifting fixture to slide is fixed on the installation plate. Positioning holes are opened on the replacement fixture. The bottom of the detection probe passes through the positioning holes. Top columns are arranged at the four corners of the replacement fixture. A fixing component is arranged at the connection between the lifting fixture and the upper end of the replacement fixture. A positioning plate is slidably connected to the detection table and fixed by bolts. The positioning plate is symmetrically distributed at the center.
[0006] Preferably, the fixing component includes a fixing sleeve and an outer side plate. The outer side plate is fixed on both sides of the upper end of the replacement fixture. The fixing sleeve is slidably connected to the lifting fixture and is clamped outside the outer side plate. A positioning block is arranged on the lifting fixture and on the side away from the fixing.
[0007] Preferably, a telescopic groove is formed in the lifting jig at a position corresponding to the positioning block, and a jacking spring is fixed between the bottom of the positioning block and the telescopic groove.
[0008] Preferably, a positioning post is fixed to the bottom of the outer side plate, a positioning groove is formed in the lifting jig at a position corresponding to the positioning post, and a limiting block is fixed to the lifting jig on a side close to the fixed sleeve.
[0009] Preferably, an external thread sleeve is fixed to the upper end of the replacement jig around the positioning hole, an internal thread sleeve is rotatably connected to the wiring seat, and the external thread sleeve is in threaded connection with the internal thread sleeve.
[0010] Preferably, the upper end of the ejector post passes through the replacement jig and is fixed with an upper end plate, and an extrusion spring is fixed between the upper end plate and the upper end of the replacement jig.
[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows: when producing different PCBA circuit boards, the corresponding replacement jigs can be directly replaced, the detection of products can be quickly converted, the replacement of the entire inspection table is not required, the efficiency is improved, and multiple inspection tables do not need to be set, saving the detection cost. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 is a partial cross-sectional structure diagram of the front view of a PCBA production inspection table of the present utility model;
[0013] Figure 2 is a PCBA production inspection table of the present utility model Figure 1 The enlarged structure diagram at A in;
[0014] Figure 3 is a combined structure diagram of the detection probe and the connection seat of a PCBA production inspection table of the present utility model;
[0015] Figure 4 is a schematic diagram of the upper end structure of the replacement jig of a PCBA production inspection table of the present utility model.
[0016] In the figure: 1, inspection table; 11, positioning plate; 2, mounting plate; 21, detector; 22, telescopic cylinder; 23, connecting wire; 24, wiring seat; 25, detection probe; 26, internal thread sleeve; 3, column; 31, lifting jig; 32, replacement jig; 33, ejector post; 34, upper end plate; 35, extrusion spring; 36, outer side plate; 37, positioning post; 38, positioning groove; 39, positioning hole; 310, external thread sleeve; 4, fixing component; 41, fixing sleeve; 42, positioning block; 43, telescopic groove; 44, jacking spring. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0017] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.
[0018] Please refer to Figures 1-4 , the present invention provides a technical solution: including a detection table 1 and a detector 21. Above the detection table 1, a mounting plate 2 is fixed through a column 3. The detector 21 is fixed at the upper end of the mounting plate 2. A connecting wire 23 is provided on the detector 21. The end of the connecting wire 23 is fixed with a connection socket 24. A detection probe 25 is fixed on the connection socket 24. An elevating jig 31 is provided between the detection table 1 and the mounting plate 2. A replacement jig 32 is installed at the middle position of the elevating jig 31. The column 3 passes through the four corners of the elevating jig 31 and is slidably connected to the elevating jig 31. A telescopic cylinder 22 for driving the elevating jig 31 to slide is fixed on the mounting plate 2. Positioning holes 39 are provided on the replacement jig 32. The bottom of the detection probe 25 passes through the positioning holes 39. Top columns 33 are provided at the four corners of the replacement jig 32. A fixing component 4 is provided at the connection between the elevating jig 31 and the upper end of the replacement jig 32. A positioning plate 11 is slidably connected to the detection table 1 and is fixed by bolts. The positioning plate 11 is symmetrically distributed about the center.
[0019] The fixing component 4 includes a fixing sleeve 41 and an outer side plate 36. The outer side plate 36 is fixed on both sides of the upper end of the replacement jig 32. The fixing sleeve 41 is slidably connected to the elevating jig 31 and is clamped outside the outer side plate 36. A positioning block 42 is provided on the elevating jig 31 on the side far from the fixing. A telescopic groove 43 is provided on the elevating jig 31 at a position corresponding to the positioning block 42. A top spring 44 is fixed between the bottom of the positioning block 42 and the telescopic groove 43. A positioning post 37 is fixed at the bottom of the outer side plate 36. A positioning groove 38 is provided on the elevating jig 31 at a position corresponding to the positioning post 37. A limiting block is fixed on the elevating jig 31 on the side close to the fixing sleeve 41.
[0020] An external thread sleeve 310 is fixed on the upper end of the replacement jig 32 and around the positioning hole 39. An internal thread sleeve 26 is rotatably connected to the connection socket 24. The external thread sleeve 310 is threadedly connected to the internal thread sleeve 26. The upper end of the top column 33 passes through the replacement jig 32 and is fixed with an upper end plate 34. A compression spring 35 is fixed between the upper end plate 34 and the upper end of the replacement jig 32. When the top column 33 presses down and abuts against the circuit board, the compression spring can be stretched to reduce the impact of the bottom of the top column 33 on the circuit board.
[0021] Working principle: First, connect the entire device to an external power supply, then place the circuit board to be detected on the detection table 1 and between the positioning plates 11, ensuring that the circuit board is located at the center position on the upper end of the detection table 1. At the same time, ensure that the positioning holes 39 on the replacement jig 32 are aligned with the detection contacts on the circuit board. Then insert the detection probe 25 into the positioning hole 39. By rotating the internal thread sleeve 26, which is not connected to the external thread sleeve 310, fix the detection probe 25. At this time, driven by the telescopic cylinder 22, drive the lifting jig 31 to move downward, so that the detection probe 25 abuts against the detection contacts for detection operations. During this process, if it is necessary to replace different circuit boards for detection, the replacement jig 32 can be replaced separately. Just ensure that the detection contacts of the circuit board to be detected are aligned with the positioning holes 39 on this replacement jig 32. During the operation, just squeeze the positioning block 42 downward to release the limit on the fixing sleeve 41, and then pull the fixing sleeve 41 to the far side to release the fixation on the outer side plate 36. Then the replacement jig 32 can be easily removed and then replaced and installed. The operation is simple, there is no need to prepare multiple detection devices, which saves the detection cost and improves the replacement efficiency.
[0022] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device.
[0023] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A PCBA production inspection table, comprising an inspection table (1) and an inspection instrument (21), characterized in that: Above the detection table (1), a mounting plate (2) is fixed by a column (3). The detector (21) is fixed to the upper end of the mounting plate (2). A connecting wire (23) is provided on the detector (21). The end of the connecting wire (23) is fixed with a terminal block (24). A detection probe (25) is fixed on the terminal block (24). A lifting jig (31) is provided between the detection table (1) and the mounting plate (2). A replacement jig (32) is installed at the middle position of the lifting jig (31). The column (3) passes through the four corners of the lifting jig (31) and is slidably connected to the lifting jig (31). A telescopic cylinder (22) for driving the lifting jig (31) to slide is fixed on the mounting plate (2). A positioning hole (39) is provided on the replacement jig (32). The bottom of the detection probe (25) passes through the positioning hole (39). Four top columns (33) are provided at the four corners of the replacement jig (32). A fixing component (4) is provided at the connection between the lifting jig (31) and the upper end of the replacement jig (32). A positioning plate (11) is slidably connected to the detection table (1) and fixed by bolts. The positioning plates (11) are symmetrically distributed about the center.
2. The PCBA production inspection table according to claim 1, wherein: The fixing component (4) includes a fixing sleeve (41) and an outer side plate (36). The outer side plate (36) is fixed to both sides of the upper end of the replacement jig (32). The fixing sleeve (41) is slidably connected to the lifting jig (31) and is clamped outside the outer side plate (36). A positioning block (42) is provided on the lifting jig (31) and located on the side away from the fixing sleeve.
3. The PCBA production and detection platform according to claim 2, characterized in that: A telescopic groove (43) is provided on the lifting jig (31) at a position corresponding to the positioning block (42). A top spring (44) is fixed between the bottom of the positioning block (42) and the telescopic groove (43).
4. The PCBA production inspection table according to claim 2, wherein: A positioning post (37) is fixed to the bottom of the outer side plate (36). A positioning groove (38) is provided on the lifting jig (31) at a position corresponding to the positioning post (37). A limiting block is fixed on the lifting jig (31) and located on the side close to the fixing sleeve.
5. A PCBA production inspection table according to claim 1, characterized in that: An external thread sleeve (310) is fixed to the upper end of the replacement jig (32) and around the positioning hole (39). An internal thread sleeve (26) is rotatably connected to the terminal block (24). The external thread sleeve (310) is threadedly connected to the internal thread sleeve (26).
6. The PCBA production and detection table according to claim 1, wherein: The upper end of the top column (33) passes through the replacement jig (32) and is fixed with an upper end plate (34). A compression spring (35) is fixed between the upper end plate (34) and the upper end of the replacement jig (32).