Circuit board warping degree test fixture
By introducing an automated conveying and testing process into the circuit board warpage testing fixture, and using a laser leveling instrument and an electric push rod to achieve automatic conveying of the circuit board, the problem of low testing efficiency caused by manual replacement of circuit boards in the existing technology is solved, thereby improving testing efficiency and automation.
Patent Information
- Application Number
- CN202520255164.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-18
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-02-18
AI Technical Summary
Existing circuit board warpage testing fixtures require manual replacement of the circuit board after testing, resulting in low testing efficiency and making it impossible to continuously test a large number of circuit boards.
The circuit board is transported by a first small conveyor. After the warpage is tested by a laser leveling instrument, the tested circuit board is pushed to the second small conveyor by an electric pusher, thus realizing automated transport and testing and reducing manual intervention.
It improves the efficiency of circuit board warpage testing, reduces the labor intensity of staff, and enables continuous testing of a large number of circuit boards.
Smart Images

Figure CN223755996U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a circuit board test technical field, concretely is a circuit board warping degree test fixture. BACKGROUND
[0002] The circuit board is a piece of board printed with wires. Its main function is to reduce the space occupied by wires and organize the wires according to a clear layout. During the production process, the circuit board may warp due to factors such as temperature in the processing environment or pressure applied during processing. Therefore, after completing the processing and production of the circuit board, a warping degree test fixture is often used to measure the warping degree of the circuit board to ensure the production quality of the circuit board.
[0003] For example, a circuit board warping degree rapid test fixture in Chinese patent application No. CN202020225915.3 includes a fixture main body, multiple sets of reflection sensors, and an alarm light group. A test slot is formed in the middle of the fixture main body. The multiple sets of reflection sensors are arranged through the fixture main body. The reflection paths of the multiple sets of reflection sensors are located on the same horizontal plane and within the test slot. The utility model's circuit board warping degree rapid test fixture is provided with a fixture main body having a test slot and multiple sets of reflection sensors arranged on the fixture main body. The multiple sets of reflection sensors are used to test the warping degree of the circuit board located in the test slot. When the warping degree of the circuit board is too large and blocks the reflection of one or more sets of reflection sensors, the alarm light group will alarm, achieving rapid testing of the warping degree of the circuit board, high testing efficiency, and high precision.
[0004] However, in actual use, after testing the warping degree of the circuit board using the above-mentioned device, the worker needs to manually remove the circuit board and place another circuit board that needs to be tested. This is not convenient for continuously testing the warping degree of a large number of circuit boards, which may reduce the testing efficiency and result in poor use effect. SUMMARY
[0005] To overcome the shortcomings of the prior art, the utility model provides a circuit board warping degree test fixture. The first small conveyor is used for the first conveying, and the pushing plate pushes the tested circuit board to fall onto the second small conveyor for re-conveying. This facilitates the warping degree test of a large number of circuit boards one by one, eliminates the need for workers to manually handle a large number of circuit boards, reduces the labor intensity of the workers, improves the efficiency of the circuit board warping degree test, and effectively solves the problems in the background art.
[0006] In order to achieve the above object, the utility model takes the technical scheme for: a circuit board warping degree test fixture, including workbench one and fixedly being equipped with workbench two in the front side of one end of workbench one, be equipped with conveying assembly between the inside top of workbench one and workbench two, for the warping degree test of realizing the conveying of a large number of circuit boards in turn, the warping degree test is carried out to the circuit board, the conveying assembly includes first small -sized conveyor and second small -sized conveyor, and first small -sized conveyor and second small -sized conveyor are fixedly equipped with in the inside other end of workbench one and the inside top of workbench two respectively, the conveying assembly still includes the test platform of being fixedly equipped with in the inside one end of workbench one, the test platform is located between the one end of first small -sized conveyor and second small -sized conveyor and is close to, the test platform is located between the one end of first small -sized conveyor and second small -sized conveyor and is close to.
[0007] Preferably, the rear side of the one end of the workbench one is provided with an opening, and the opening is connected with a pushing plate, and the front side of the pushing plate is fixedly provided with a protective pad, and the pushing plate and the protective pad are both arranged on the top rear side of the test platform.
[0008] Preferably, the rear side of the one end of the workbench one is provided with a U-shaped fixing frame, and the inside of the U-shaped fixing frame is fixedly provided with an electric push rod, and the piston rod of the electric push rod is fixedly connected with the rear side center of the pushing plate, so as to facilitate the electric push rod to drive the pushing plate and the protective pad to push the circuit board.
[0009] Preferably, the side of the first small -sized conveyor close to the test platform is provided with a first guide plate, and the front and rear ends of the first guide plate are fixedly arranged between the inside front and rear sides of the workbench one, and the front side of the test platform is fixedly provided with a second guide plate, and the two ends of the second guide plate are fixedly arranged between the inside two sides of the workbench two, and the second guide plate is arranged on the top rear side of the second small -sized conveyor, so as to facilitate the circuit board after warping degree test to fall to the top of the second small -sized conveyor through the second guide plate for conveying.
[0010] Preferably, the test assembly includes a top plate, and the top plate is arranged on the top of the one end of the workbench one, and the bottom of the top plate is fixedly provided with a laser leveling instrument, and the laser leveling instrument is arranged on the top of the test platform, and the bottom of the top plate is fixedly provided with a second support column at four corners, and the bottom ends of the four second support columns are fixedly arranged on the top of the one end of the workbench one, so as to facilitate the laser leveling instrument to test the warping degree of the circuit board on the top of the test platform.
[0011] Preferably, the front side of the workbench one is fixedly provided with a control panel for controlling the first small -sized conveyor, the second small -sized conveyor and the laser leveling instrument to work, and the bottom of the workbench one and the workbench two is fixedly provided with a plurality of first support columns, so as to support the workbench one and the workbench two.
[0012] Compared with the prior art, the circuit board warping degree test fixture has the following beneficial effects: the circuit board to be tested is conveyed by the first small conveyor, warping degree test is performed by the laser leveling instrument, the electric push rod controls the pushing plate to drive the protective pad to push the tested circuit board to move and drop onto the second small conveyor for conveying again, so that the warping degree test is conveniently performed on a large number of circuit boards in turn, manual taking of a large number of circuit boards by workers is no longer needed, the labor degree of workers is reduced, and the warping degree test efficiency of the circuit board is improved. BRIEF DESCRIPTION OF DRAWINGS
[0013] Fig. 1 It is an overall structure schematic view of the utility model;
[0014] Fig. 2 It is an overall structure back view of the utility model;
[0015] Fig. 3 It is an overall structure sectional view of the utility model;
[0016] Fig. 4 It is an overall structure sectional view of the utility model;
[0017] Fig. 5 It is an overall structure sectional view of the utility model;
[0018] In the drawing: 1 workbench one, 2 workbench two, 3 conveying assembly, 4 test assembly, 5 control panel, 6 first support column; 31 first small conveyor, 32 second small conveyor, 33 first material guide plate, 34 test table, 35 second material guide plate, 36 U-shaped fixing frame, 37 electric push rod, 38 pushing plate, 39 protective pad, 41 second support column, 42 top plate, 43 laser leveling instrument. DETAILED DESCRIPTION
[0019] In order to make the skilled in the art better understand the technical scheme of the utility model, the utility model will be further introduced in detail below in conjunction with the drawings.
[0020] As Figs. 1-5 The utility model provides a circuit board warping degree test fixture, including workbench one 1 and fixedly being equipped with workbench two 2 in the front side of workbench one 1 one end, the bottom of workbench one 1 and workbench two 2 is equipped with a plurality of first support column 6, it is convenient for supporting workbench one 1 and workbench two 2.
[0021] As Figs. 1-5As shown, the workbench one 1 and the workbench two 2 inside the top end is equipped with conveying assembly 3 for a large number of circuit board for conveying in turn, and realize the warping test, the conveying assembly 3 includes the first small conveyor 31 and the second small conveyor 32, and the first small conveyor 31 and the second small conveyor 32 are fixed respectively in the workbench one 1 inside the other end and the workbench two 2 inside the top end, the conveying assembly 3 still includes the test table 34 fixedly arranged in the workbench one 1 inside one end, the test table 34 is arranged between the first small conveyor 31 and the second small conveyor 32 one end close to, the workbench one 1 one end rear side is provided with an opening, the opening inside is clamped with the push plate 38, the push plate 38 front side is fixedly provided with the protective pad 39, the push plate 38 and the protective pad 39 are all arranged in the test table 34 top rear side.
[0022] The workbench one 1 one end rear side is fixedly provided with the U-shaped fixing frame 36, the U-shaped fixing frame 36 inside is fixedly provided with the electric push rod 37, the electric push rod 37 piston rod is fixedly connected with the push plate 38 rear side center, convenient for electric push rod 37 drive push plate 38 and protective pad 39 push circuit board movement, the first small conveyor 31 one side close to the test table 34 is provided with the first guide plate 33, and the first guide plate 33 front and rear ends are fixedly arranged between the workbench one 1 inside front and rear sides.
[0023] The test table 34 front side is fixedly provided with the second guide plate 35, and the second guide plate 35 two ends are fixedly arranged between the workbench two 2 inside two sides, the second guide plate 35 is arranged in the second small conveyor 32 rear side top, convenient for the circuit board through the warping test through the second guide plate 35 falls to the second small conveyor 32 top and is conveyed.
[0024] As shown in the figure, Figs. 1-3 The workbench one 1 one end top is equipped with test assembly 4 for warping test of circuit board, the test assembly 4 includes the top plate 42, the top plate 42 is arranged in the workbench one 1 one end top, the top plate 42 bottom is fixedly provided with the laser leveling instrument 43, the workbench one 1 front side is fixedly provided with the control panel 5 for controlling the first small conveyor 31, the second small conveyor 32 and the laser leveling instrument 43 work.
[0025] The laser leveling instrument 43 is arranged on the top of the test table 34, and the second supporting columns 41 are arranged on the top of the workbench 1 at the top of the first small conveyor 31, so that the laser leveling instrument 43 can test the warping degree of the circuit board on the top of the test table 34.
[0026] The circuit board to be tested is placed on the top of the first small conveyor 31 in sequence, then the first small conveyor 31 and the second small conveyor 32 are controlled to work by the control panel 5, the circuit board on the top of the first small conveyor 31 falls on the top of the test table 34 through the first guide plate 33, the laser leveling instrument 43 detects the existence of the circuit board and sends a signal to the control panel 5, the control panel 5 controls the first small conveyor 31 to stop conveying, and then the laser leveling instrument 43 tests the warping degree of the circuit board, after the test is completed, the laser leveling instrument 43 sends a signal to the electric push rod 37 on the U-shaped fixing frame 36, so that the electric push rod 37 controls the push plate 38 to drive the protective pad 39 to push the circuit board on the top of the test table 34 to move forward, and then the circuit board falls on the top of the second small conveyor 32 through the second guide plate 35 and is conveyed on the top of the second small conveyor 32, so that the warping degree of a large number of circuit boards can be tested in sequence, and the labor degree of the workers is reduced, and the warping degree test efficiency of the circuit board is improved.
[0027] The basic principle and main features of the utility model and the advantages of the utility model are shown and described. It should be understood by those skilled in the art that the utility model is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification are only used to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model.
Claims
1. A circuit board warpage testing fixture, comprising a workbench one (1) and a workbench two (2) fixedly arranged at the front side of one end of the workbench one (1), characterized in that: The workbench one (1) and the workbench two (2) inside top end are equipped with conveying assembly (3), be used for to a large number of circuit board is in turn conveyed, and realize warping degree test;The workbench one (1) one end top is equipped with test assembly (4), is used for the warping degree test of circuit board;The conveying assembly (3) includes first small conveyor (31) and second small conveyor (32), and first small conveyor (31) and second small conveyor (32) are fixed respectively in the workbench one (1) inside the other end and the workbench two (2) inside top end, the conveying assembly (3) still includes the test platform (34) fixed in the workbench one (1) inside one end, the test platform (34) is located between the first small conveyor (31) and the second small conveyor (32) one end close to.
2. The warpage test fixture of claim 1, wherein: The workbench one (1) one end rear side is equipped with opening, the opening inside is clamped with pusher plate (38), the pusher plate (38) front side is fixed with protective pad (39), the pusher plate (38) and protective pad (39) are all located in test platform (34) top rear side.
3. The warpage test fixture of claim 2, wherein: The workbench one (1) one end rear side is fixed with U-shaped fixing frame (36), the U-shaped fixing frame (36) inside is fixed with electric push rod (37), the electric push rod (37) piston rod and pusher plate (38) rear side center fixed connection.
4. The warpage test fixture of claim 3, wherein: The first small conveyor (31) close to test platform (34) one side is equipped with first guide plate (33), and the first guide plate (33) front and rear ends are fixed between the inside front and rear sides of the workbench one (1), the test platform (34) front side is fixed with second guide plate (35), and the two ends of the second guide plate (35) are fixed between the inside two sides of the workbench two (2), the second guide plate (35) is located in the top rear side of the second small conveyor (32).
5. The warpage test fixture of claim 4, wherein: The test assembly (4) includes top plate (42), the top plate (42) is located in the top of one end of the workbench one (1), the top plate (42) bottom is fixed with laser leveling instrument (43), and the laser leveling instrument (43) is located in the top of test platform (34), the top plate (42) bottom four corners are all fixed with second support column (41), and the bottom ends of four second support columns (41) are fixed on the top of one end of the workbench one (1) respectively.
6. The warpage test fixture of claim 5, wherein: The workbench one (1) front side is fixed with control panel (5) for controlling first small conveyor (31), second small conveyor (32) and laser leveling instrument (43) to work, the workbench one (1) and the workbench two (2) bottom are fixed with a plurality of first support columns (6).
Citation Information
Patent Citations
Circuit board warping degree rapid test tool
CN211178340U