Detection device for silica gel button conductive particles
By designing a device that includes a resistance tester and an automated testing apparatus, the problems of missing, overfilling, and poor conductivity of conductive particles in silicone buttons during the molding process were solved, thus achieving automated testing and improved product quality.
Patent Information
- Application Number
- CN202422428622.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-09
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-10-09
AI Technical Summary
In the existing technology, silicone button products have defects such as missing or excessive conductive particles and poor surface conductivity during the molding process, which are difficult to distinguish manually.
A detection device was designed, comprising a resistance tester, an electrical control box, a linear slide, a test bench, a clamping fixture, and a cylinder. The resistance tester measures the resistance value of conductive particles, and green and red indicator lights and a buzzer indicate whether the sample is qualified or unqualified, thus achieving automated detection.
This technology enables automated detection of conductive particles in silicone keypads, improving detection efficiency and product quality, and solving the problem of difficulty in manually identifying conductive particle defects.
Smart Images

Figure CN223637618U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to silica gel button detection field especially, it is a kind of silica gel button conductive particle's detection device. BACKGROUND
[0002] Silica gel button product is provided with conductive particle, in the forming process of silica gel button product, conductive particle often exists and leaks, and puts, surface conduction is defective etc.. Whether the conductive particle exists above-mentioned problem, artificial is not easy to distinguish. CONTENT OF UTILITY MODEL
[0003] Therefore, the utility model aims at providing a kind of silica gel button conductive particle's detection device to be suitable for the detection of silica gel button conductive particle, it is convenient to use, improves detection efficiency, is favorable to improve silica gel button product quality.
[0004] To achieve the above-mentioned purpose, the technical scheme of the utility model is as follows:
[0005] A kind of silica gel button conductive particle's detection device, including resistance tester and electric control box, further include straight slide, test table, test circuit board, pressing tool and cylinder;Test table is set on straight slide and can reciprocate along straight slide, test board is provided with test circuit board and multiple for placing silica gel button's work station, the pressing tool is set on test table, and the pressing tool includes multiple pressing blocks, and the pressing block is set one by one with the work station;The cylinder is connected to the pressing tool for driving the pressing tool to reciprocate along vertical direction;Multiple green qualified indicator lights, multiple red unqualified indicator lights and buzzer are provided on the electric control box;Multiple green qualified indicator lights and multiple red unqualified indicator lights are set one by one with the work station respectively;Resistance tester is provided with the display screen for showing resistance value;Controller and power supply are provided in the electric control box, and power supply is connected to controller, and resistance tester, cylinder and test circuit board are connected to the controller respectively.
[0006] Further, the test circuit board includes PCB circuit board and test circuit, and the test circuit is connected in series with silica gel button conductive particle.
[0007] Further, the cylinder includes multiple, and multiple cylinders are set one by one with the pressing block.
[0008] Further, it further includes base, and the straight slide is set on the base.
[0009] Further, the straight slide includes two, and two straight slides are located on the two sides of test table respectively.
[0010] Further, the test table is square as a whole, and handle is set on the outside of test table.
[0011] Further, the protective screen is made of transparent material, and the protective screen is arranged in front of the pressing tool through the gantry.
[0012] Compared with the prior art, the detection device for the conductive particles of the silica gel key has the following advantages:
[0013] The detection device for the conductive particles of the silica gel key can realize detection on whether the conductive particles of the silica gel key product exist in the defects such as missing, over-discharging and poor conductivity. BRIEF DESCRIPTION OF DRAWINGS
[0014] The accompanying drawings, which form a part of this application, are intended to provide further understanding of the application and are incorporated herein for a purpose of explanations. The present application will become more fully understood from the detailed description and accompanying drawings.
[0015] Figure 1 The detection device for the conductive particles of the silica gel key product structure schematic view is shown in the figure.
[0016] Figure 2 The pressing tool and the connecting structure schematic view are shown in the figure.
[0017] Figure 3 The detection device for the conductive particles of the silica gel key product structure schematic view is shown in the figure.
[0018] Figure 4 The detection device for the conductive particles of the silica gel key product structure schematic view is shown in the figure.
[0019] BRIEF DESCRIPTION OF DRAWINGS
[0020] 1-resistance tester; 2-display screen; 3-electric control box; 4-green qualified indicator lamp; 5-red unqualified indicator lamp; 6-solenoid valve; 7-cylinder; 8-pressing tool; 9-gantry; 10-straight slide; 11-station; 12-test table; 13-test circuit board; 14-handle; 15-base; 16-protective screen; 17-switch key; 18-pressing block; 19-guide plate; 20-silica gel key; 21-key rubber coating; 22-conductive particles; 23-conductive terminal; 24-wire; 25-guide hole. DETAILED DESCRIPTION
[0021] It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict.
[0022] The utility model will be explained in detail below with reference to the drawings and in combination with embodiments.
[0023] As Figure 1 and Figure 4 As shown in a kind of silica gel key conductive particle detection device, including resistance tester 1 and electric control box 3, it further includes straight slide 10, test table 12, test circuit board 13, pressing tool 8 and cylinder 7;Test table 12 is set on straight slide 10 and can reciprocate along straight slide 10, test board is provided with test circuit board 13 and multiple workstations 11 for placing silica gel key, the pressing tool 8 of test table 12 top is set, and the pressing tool 8 includes multiple pressing blocks 18, and pressing block 18 is set one by one with the workstation 11;The cylinder 7 is connected with pressing tool 8 for driving pressing tool 8 to reciprocate along vertical direction;Multiple green qualified indicator lamps 4, multiple red unqualified indicator lamps 5 and buzzer are provided on the electric control box 3;Multiple green qualified indicator lamps 4 and multiple red unqualified indicator lamps 5 are set one by one with the workstation 11 respectively;Resistance tester 1 is provided with display screen 2 for showing resistance value;Controller and power supply are provided in the electric control box 3, and power supply is connected with controller, and resistance tester 1, cylinder 7 and test circuit board 13 are connected with the controller respectively.Further, the test circuit board 13 includes PCB circuit board and test circuit, and the test circuit is connected in series with silica gel key conductive particle.
[0024] Among them, test circuit board 13 is customized according to silica gel key product, and matched with the product to be detected, and the conductive particles of whole product are connected in series on test circuit board 13, and after conduction, it is interconnected with resistance tester, realizes the reading of resistance data, and resistance tester sets limit value according to product requirement, when resistance value exceeds limit value, resistance tester outputs alarm signal to red unqualified indicator lamp 5 and buzzer, and red unqualified indicator lamp 5 is bright, and buzzer is started simultaneously to remind product unqualified.
[0025] Specifically, as Figures 2-3 shown, the silica gel key 20 is provided with the protruding key rubber 21, and the key rubber 21 covers the conductive particle 22;Test circuit board 13 is provided with conductive terminal 23, and the electric terminal 23 is matched with the conductive particle 22, and the conductive terminals are connected in series through wire.
[0026] The working principle of the silicone key conductive particle detection device is as follows: for the silicone key product, the silicone key is provided with a conductive particle, when detecting whether the conductive particle exists in the defects of missing, over-discharging and poor conduction, the product is put into the work station, pushed into the compression tool along the linear guide rail, the cylinder is started, the cylinder drives the pressing block to press the product, then the resistance tester is started to measure the resistance, the test circuit board 13 and the resistance tester are interconnected to measure the resistance value of the conductive particle; the plurality of green qualified indicator lamps 4 and the plurality of red unqualified indicator lamps 5 are respectively arranged in one-to-one correspondence with the work station 11; the green qualified indicator lamp 4 and the red unqualified indicator lamp 5 realize the on-state reminding and unqualified product reminding.
[0027] As shown in Figure 4 The cylinder 7 includes a plurality of cylinders 7, and the plurality of cylinders 7 are arranged in one-to-one correspondence with the pressing blocks 18. The piston rod of the cylinder 7 is connected with the pressing block 18, one pressing block 18 is arranged on each work station, one cylinder is connected with each pressing block 18, a plurality of cylinders are connected with the electromagnetic valve 6, and the controller is connected with the electromagnetic valve 6, so that the silicone keys on the work stations can be detected one by one or simultaneously. Further, the cylinder 7 is provided with a guide plate 19, a plurality of guide holes 25 are formed in the guide plate 19, and the cylinder 7 moves reciprocatingly in the vertical direction in the guide hole 25. The pressing block 18 can be more accurately pressed to the work station 11.
[0028] As shown in Figure 1 The linear slide 10 includes two linear slides 10, and the two linear slides 10 are respectively arranged on the two sides of the test table 12. The test table 12 moves reciprocatingly on the two linear slides 10, and is more stable.
[0029] As shown in Figure 1 The test table 12 is in a square shape, and a handle 14 is arranged on the outer side of the test table 12. The test table 12 is pulled out by pulling the handle, and the silicone key to be detected is placed, so that the operation is convenient.
[0030] In order to further improve the safety in use, the protective screen 16 is further arranged, the protective screen 16 is made of transparent material, and the protective screen 16 is arranged in front of the compression tool 8 through the portal frame 9. The protective screen 16 plays a role of isolation and protection, and the internal situation can be observed through the protective screen 16.
[0031] The above is only a preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A kind of silica gel button conductive particle detection device, including resistance tester (1) and electric control box (3), it is characterized in that: Also include straight slide (10), test bench (12), test circuit board (13), pressing tooling (8) and cylinder (7); Test bench (12) is arranged on the straight slide (10) and can reciprocate along the straight slide (10), test board is provided with test circuit board (13) and multiple workstations (11) for placing silica gel key, the test bench (12) is provided with pressing tooling (8) above, and the pressing tooling (8) includes multiple pressing blocks (18), and the pressing block (18) is arranged one by one with the workstation (11); The cylinder (7) is connected with the pressing tooling (8) for driving the pressing tooling (8) to reciprocate along the vertical direction; The electric control box (3) is provided with multiple green qualified indicator lights (4), multiple red unqualified indicator lights (5) and a buzzer; Multiple green qualified indicator lights (4) and multiple red unqualified indicator lights (5) are arranged one by one with the workstation (11) respectively; The resistance tester (1) is provided with a display screen (2) for displaying resistance value; The electric control box (3) is provided with a controller and a power supply, and the power supply is connected with the controller, and the resistance tester (1), the cylinder (7) and the test circuit board (13) are connected with the controller respectively.
2. The apparatus of claim 1, wherein: The test circuit board (13) includes PCB circuit board and test circuit, and the test circuit is connected with silica gel key conductive particle in series.
3. The apparatus of claim 1, wherein: The cylinder (7) includes multiple, and multiple cylinders (7) are arranged one by one with the pressing block (18).
4. The apparatus of claim 1, wherein: Also include base (15), the straight slide (10) is arranged on the base (15).
5. The apparatus of claim 1, wherein: The straight slide (10) includes two, and two straight slides (10) are respectively located on both sides of the test bench (12).
6. The apparatus of claim 1, wherein: The test bench (12) is square as a whole, and the test bench (12) is provided with a handle (14) on the outside edge.
7. The apparatus of claim 1, wherein: Also include protective screen (16), the protective screen (16) is made of transparent material, and the protective screen (16) is arranged in front of the pressing tooling (8) through the portal (9).