Induction quantity test fixture
The automated control of the inductive test fixture solves the problem of low efficiency of manual test fixtures, achieves efficient, accurate and consistent module inductive test, and protects the module.
Patent Information
- Application Number
- CN202422663398.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-31
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-10-31
AI Technical Summary
Existing manual induction test fixtures are inefficient, have inaccurate pressure, and are difficult to ensure consistency and accuracy in test positions.
An inductive quantity test fixture was designed, which adopted an automatically controlled lifting module and limit switch to ensure the accurate positioning and uniform downward pressure of the inductive quantity contact assembly. The module was protected by spring buffering to realize the automation of the module inductive quantity test.
It improves test efficiency and accuracy, reduces operator labor intensity, and ensures consistency of test results and module protection.
Smart Images
Figure CN223471067U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of module test, specifically is a response quantity test fixture. BACKGROUND
[0002] The touch module on the market often has the phenomenon of insufficient response quantity after installation, therefore, it is necessary to test the response quantity of the module during module production, and the current response quantity test fixture has the following deficiencies:
[0003] Manual pressing operation: the previous manual test fixture depends on manual pressing to simulate user module curtain when testing the module response quantity, and this mode has low test efficiency and is prone to error;
[0004] Inaccurate pressing force: it is difficult to accurately control the pressing force on the module when the operator manually presses, different operators may have different force habits, leading to inconsistent pressure values in each test, thereby affecting the consistency of the module response quantity;
[0005] Inaccurate reaching position: it is difficult to ensure that the capacitive stylus tip can accurately position to the preset test position every time when the operator manually operates, which may lead to a large deviation between test points, thereby affecting the accuracy and consistency of the test result.
[0006] Therefore, it is necessary to design a response quantity test fixture to improve the above problems. UTILITY MODEL CONTENT
[0007] In view of the deficiencies of the prior art, the utility model aims at providing a response quantity test fixture, realizing the automation process of module response quantity test, improving the test efficiency and accuracy, and reducing the labor intensity of the operator.
[0008] To achieve the above object, the utility model provides the following technical scheme:
[0009] A response quantity test fixture, comprising a detection machine support seat, one side of the top of the detection machine support seat is fixedly connected with a gantry, an inductive quantity contact head mounting plate is installed on the gantry through a lifting module, a plurality of inductive quantity contact head assemblies are installed on the inductive quantity contact head mounting plate, the lifting module is used for driving the inductive quantity contact head mounting plate and the inductive quantity contact head assemblies to move vertically, a module platform is arranged on the top of the detection machine support seat, the module platform comprises a module moving plate, a fixed support plate is fixedly connected to the top of the module moving plate, a module placing table is fixedly connected to the top of the fixed support plate, a moving module is installed between the module moving plate and the detection machine support seat, and the moving module is used for driving the module placing table to move below the inductive quantity contact head assemblies.
[0010] The inductive contact assembly comprises a guide sleeve embeddedly installed on the inductive contact mounting plate, a contact guide rod slidingly installed in the guide sleeve, an inductive contact fixedly connected to the bottom end of the contact guide rod, a spring sleeved between the inductive contact and the guide sleeve and outside the contact guide rod, and a stopper fixedly connected to the top end of the contact guide rod.
[0011] Preferably, the moving module comprises a module platform moving guide rail fixedly connected to the top of the detection machine support seat and a module platform moving slider fixedly connected to the bottom of the module moving plate, and the module platform moving slider is slidingly connected with the module platform moving guide rail.
[0012] Preferably, both sides of the top of the detection machine support seat are fixedly connected with a module platform limiting block one, both sides of the top of the module moving plate are fixedly connected with a module platform limiting block two corresponding in position to the module platform limiting block one, a magnet one is embeddedly installed in the module platform limiting block one, a magnet two is embeddedly installed in the module platform limiting block two, and the magnet one and the magnet two are mutually adsorbed.
[0013] Preferably, a module platform limiting switch is installed on the detection machine support seat near the gantry, and the module platform limiting switch corresponds in height to the module moving plate.
[0014] Preferably, an active bearing plate is further arranged between one side of the top of the module moving plate and the module placing table, the bottom end of the active bearing plate is rotationally connected with the module moving plate through a hinge, the top end of the active bearing plate abuts against the bottom of the module placing table, and an active bearing plate support block is fixedly connected to the outside of the active bearing plate.
[0015] Preferably, a module placing groove is opened in the top of the module placing table, and a module limiting block is installed on the module placing table around the module placing groove, and the module limiting block is used to limit the installation position of the module in the module placing groove.
[0016] Preferably, the lifting module comprises a stepping motor installed on the top of the gantry, a ball screw fixedly connected with the output end of the stepping motor through a shaft coupling and penetrating through the gantry, a limiting plate fixedly connected to the inside of the gantry near the bottom end, the bottom end of the ball screw rotationally connected to the limiting plate, a nut sleeved on the ball screw, a lifting plate fixedly connected to the outside of the nut, the ball screw drives the nut and the lifting plate to move along the axial direction thereof, and the inductive contact mounting plate is fixedly connected with the lifting plate through a connecting plate.
[0017] Preferably, Z-axis sliding rails are fixedly connected to both sides of the inside of the gantry in the longitudinal direction, and Z-axis sliders are fixedly connected to both ends of the lifting plate and slidingly connected with the Z-axis sliding rails.
[0018] Preferably, the gantry interior top end is provided with an upper limit switch corresponding to the lifting plate position, and the limit plate top is provided with a lower limit switch corresponding to the lifting plate position.
[0019] Compared with the prior art, the utility model has the beneficial effects that:
[0020] 1、 the utility model discloses a test efficiency is improved, and the labor intensity of operator is reduced, through fixing the module to be tested on the module placing table, moving the module placing table to the inductive capacity contact assembly below through the module, then the inductive capacity contact mounting plate and inductive capacity contact assembly are moved down to drive the lifting module work, so that inductive capacity contact assembly contacts the module to be tested and tests, simple operation, automation control, improve test efficiency, reduce the labor intensity of operator, through the lifting module, ensure the stable movement of inductive capacity contact assembly, improve the precision and consistency of test.
[0021] 2、 the utility model discloses a lower limit switch for positioning the lowering of lifting plate to the position, can ensure that inductive capacity contact assembly can be accurately positioned to the preset test position every time, accurately control the pressure size that applies on the module, guarantee the accuracy and consistency of test result, through the spring of setting, play the buffer effect of inductive capacity contact and the module to be tested contact, ensure that the pressure degree is even, avoid the damage to the module. DRAWINGS
[0022] Figure 1 It is the whole structure schematic diagram of inductive capacity test fixture;
[0023] Figure 2 It is detection machine support seat and module platform structure schematic Figure 1 ;
[0024] Figure 3 It is detection machine support seat and module platform structure schematic Figure 2 ;
[0025] Figure 4 It is gantry, lifting module and inductive capacity contact assembly structure schematic diagram;
[0026] Figure 5 It is Figure 4 A area structure amplification schematic diagram in.
[0027] In the figure: 1, detection machine support seat; 2, module moving plate; 3, moving module; 301, module platform moving guide rail; 302, module platform moving slider; 4, fixed support plate; 5, movable bearing plate; 6, module placement table; 7, module limiting block; 8, module platform limiting block one; 9, module platform limiting block two; 10, module platform limiting switch; 11, gantry; 12, lifting module; 1201, stepper motor; 1202, limiting plate; 1203, ball screw; 1204, lifting plate; 1205, connecting plate; 1206, Z-axis slide rail; 1207, Z-axis slider; 1208, upper limiting switch; 1209, lower limiting switch; 13, inductive contact installation plate; 14, inductive contact assembly; 1401, guide sleeve; 1402, contact guide rod; 1403, inductive contact; 1404, spring; 1405, stop block. DETAILED DESCRIPTION
[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0029] Embodiment:
[0030] Please refer to Figures 1-5 The embodiment provides an inductive test fixture, which comprises a detection machine support seat 1, the top of the detection machine support seat 1 is fixedly connected with a gantry 11, the gantry 11 is installed with an inductive contact installation plate 13 through a lifting module 12, a plurality of inductive contact assemblies 14 are installed on the inductive contact installation plate 13, the lifting module 12 is used to drive the inductive contact installation plate 13 and the inductive contact assembly 14 to move vertically, the top of the detection machine support seat 1 is provided with a module platform, the module platform comprises a module moving plate 2, the top of the module moving plate 2 is fixedly connected with a fixed support plate 4, the top of the fixed support plate 4 is fixedly connected with a module placement table 6, a moving module 3 is installed between the module moving plate 2 and the detection machine support seat 1, the moving module 3 is used to drive the module placement table 6 to move to the lower side of the inductive contact assembly 14, in use, the module to be tested is fixedly placed on the module placement table 6, the module placement table 6 is moved to the lower side of the inductive contact assembly 14 through the moving module 3, then the lifting module 12 works to drive the inductive contact installation plate 13 and the inductive contact assembly 14 to move downward, so that the inductive contact assembly 14 contacts the module to be tested to test, which is simple in operation, automatic in control and improves the test efficiency.
[0031] In the embodiment, as Figure 2As shown, the top of the module placement table 6 is provided with a module placement groove, and a module limiting block 7 is installed around the module placement groove on the module placement table 6. A waist-shaped groove is formed in the module limiting block 7, and the module limiting block 7 is fixed on the module placement table 6 through the waist-shaped groove and locking bolts. By loosening the locking bolts, the position of the module limiting block 7 can be adjusted to the center of the module placement groove. The module limiting block 7 is used to limit the installation position of the module in the module placement groove. By placing the module to be tested into the module placement groove of the module placement table 6, and then adjusting the position of the module limiting block 7, the end of the module limiting block 7 is tightly pressed against the module to be tested, thereby fixing the position of the module to be tested,
[0032] In this embodiment, as shown in Figure 1 and Figure 2 The mobile module 3 includes a module platform moving guide rail 301 fixedly connected to the top of the detection machine support seat 1 and a module platform moving sliding block 302 fixedly connected to the bottom of the module moving plate 2. The module platform moving sliding block 302 is in sliding connection with the module platform moving guide rail 301. The module platform moving guide rail 301 and the module platform moving sliding block 302 are provided to play a moving guiding role for the module moving plate 2, facilitate the position adjustment of the module platform, facilitate the movement of the module placement table 6 to the position directly below the inductive quantity contact assembly 14 for testing, or move the module placement table 6 away from the position below the inductive quantity contact assembly 14, and facilitate the clamping of the module to be tested on the module placement table 6. Specifically, the mobile module 3 is provided with two groups, which are symmetrically arranged on both sides of the module moving plate 2, thereby improving the stability of the movement of the module moving plate 2.
[0033] Further, as shown in Figure 2 and Figure 3 The top of the detection machine support seat 1 is fixedly connected with a module platform limiting block one 8 on both sides, and the top of the module moving plate 2 is fixedly connected with a module platform limiting block two 9 corresponding to the position of the module platform limiting block one 8. The module platform limiting block one 8 on both sides of the detection machine support seat 1 is used to position the module platform limiting block two 9. The platform limiting block one 8 close to the gantry 11 is used to position the movement of the module platform to the testing position, and the platform limiting block one 8 on the other side is used to position the movement of the module platform to the clamping position.
[0034] As a preferred embodiment of this embodiment, a magnet one is embedded and installed in the module platform limiting block one 8, and a magnet two is embedded and installed in the module platform limiting block two 9. The magnet one and the magnet two are mutually adsorbed. When the module moving plate 2 moves to the testing position or the clamping position, the module platform limiting block one 8 is attached to the module platform limiting block two 9, so that the module platform limiting block one 8 and the module platform limiting block two 9 are adsorbed and fixed through the magnet one and the magnet two, so as to position and fix the position of the module moving plate 2, and ensure the accuracy of the position of the module platform.
[0035] In the embodiment, as shown in Figure 2 The movable bearing plate 5 is further arranged between the top side of the mold moving plate 2 and the mold placing table 6, the bottom end of the movable bearing plate 5 is rotatably connected with the mold moving plate 2 through a hinge, the top end of the movable bearing plate 5 abuts against the bottom of the mold placing table 6, the outer side of the movable bearing plate 5 is fixedly connected with a movable bearing plate support block, when the movable bearing plate 5 is in a vertical state, the top end of the movable bearing plate 5 abuts against and supports the bottom of the mold placing table 6, and the movable bearing plate 5 is used in cooperation with the fixed support plate 4 to improve the support stability of the mold placing table 6, when the movable bearing plate 5 is in an inclined state, the movable bearing plate 5 abuts against the mold moving plate 2 through the movable bearing plate support block, the space between the fixed support plate 4 and the movable bearing plate 5 is opened, which is helpful for replacing the wire of the lighted needle film, and the top end of the movable bearing plate 5 and the mold placing table 6 can be connected through bolts.
[0036] In the embodiment, as shown in Figure 4 The lifting mold group 12 includes a stepping motor 1201 installed on the top of the gantry 11, the output end of the stepping motor 1201 penetrates through the gantry 11 and is fixedly connected with a ball screw 1203 through a shaft coupling, the gantry 11 is fixedly connected with a limiting plate 1202 near the bottom inside, the bottom end of the ball screw 1203 is rotatably connected to the limiting plate 1202, a nut is sleeved on the ball screw 1203, the outer side of the nut is fixedly connected with a lifting plate 1204, the ball screw 1203 drives the nut and the lifting plate 1204 to move along the axial direction, the inductive quantity contact mounting plate 13 is fixedly connected with the lifting plate 1204 through a connecting plate 1205, the stepping motor 1201 is driven to rotate to drive the ball screw 1203 to rotate, so as to drive the nut and the lifting plate 1204 to move up and down, thereby driving the inductive quantity contact mounting plate 13 to move up and down through the connecting plate 1205, and moving the inductive quantity contact assembly 14 to contact the mold to be tested for testing.
[0037] Further, Z-axis sliding rails 1206 are fixedly connected to the inside of the gantry 11 along the longitudinal direction, Z-axis sliding blocks 1207 are fixedly connected to both ends of the lifting plate 1204, and the Z-axis sliding blocks 1207 are slidably connected with the Z-axis sliding rails 1206, the Z-axis sliding rails 1206 and the Z-axis sliding blocks 1207 are arranged to guide the movement of the lifting plate 1204, thereby improving the stability and smoothness of the movement of the lifting plate 1204.
[0038] In the embodiment, as shown in Figure 5As shown, the inductive contact assembly 14 includes a guide sleeve 1401 embeddedly installed on the inductive contact mounting plate 13, a contact guide rod 1402 is slidingly installed in the guide sleeve 1401, the bottom end of the contact guide rod 1402 is fixedly connected with an inductive contact 1403, a spring 1404 is sleeved between the inductive contact 1403 and the guide sleeve 1401 and located outside the contact guide rod 1402, the top end of the contact guide rod 1402 is fixedly connected with a stop block 1405, the stop block 1405 is arranged to prevent the contact guide rod 1402 from being separated from the guide sleeve 1401, when the inductive contact 1403 contacts the module to be tested, the inductive contact mounting plate 13 continues to move downward, so that the contact guide rod 1402 slides in the guide sleeve 1401, thereby compressing the spring 1404, the spring 1404 plays a buffering role for the contact between the inductive contact 1403 and the module to be tested, ensures that the pressing force is uniform, and avoids damage to the module, in the embodiment, the inductive contact 1403 tests the module, which is prior art and will not be described in detail here.
[0039] In the embodiment, as shown in Figure 1 、 Figure 3 and Figure 4As shown, the detection machine support seat 1 is provided with a controller, the detection machine support seat 1 is provided with a control button outside, the detection machine support seat 1 is provided with a module platform limit switch 10 near the gantry 11 at the top, the module platform limit switch 10 corresponds to the height of the module moving plate 2, the gantry 11 is provided with an upper limit switch 1208 corresponding to the position of the lifting plate 1204 at the top, the limit plate 1202 is provided with a lower limit switch 1209 corresponding to the position of the lifting plate 1204 at the top, the control button, the module platform limit switch 10, the upper limit switch 1208 and the lower limit switch 1209, the stepping motor 1201 and the inductive contact 1403 are electrically connected with the controller, the control program of the controller can be realized by simple programming of the controller, so the control mode and the circuit connection of the utility model are not explained in detail, for controlling the automatic control of the test fixture, when the module moving plate 2 moves to the test position, the stepping motor 1201 is controlled by the control button to work to drive the lifting plate 1204 to descend, when the lifting plate 1204 descends to contact the lower limit switch 1209, the signal is transmitted to the controller, the stepping motor 1201 is controlled to stop, after the test is completed, the stepping motor 1201 works again to drive the lifting plate 1204 to ascend, when the lifting plate 1204 ascends to contact the upper limit switch 1208, the signal is transmitted to the controller, the stepping motor 1201 is controlled to stop, to ensure that the inductive contact assembly 14 is reset to the position, through the setting of the module platform limit switch 10, when the module platform limit switch 10 does not generate a signal, the lifting module 12 will not work, to avoid the damage caused by the test fixture mistaken work, can ensure that the inductive contact assembly 14 can be accurately positioned to the preset test position every time, accurately control the pressure applied on the module, ensure the accuracy and consistency of the test result.
[0040] Working principle: in use, the operator first places the module to be tested in the module placement slot of the module placement table 6, ensures that the module is correctly connected with the lighting needle film, then moves the module moving plate 2 through the module platform moving guide rail 301 and the module platform moving slider 302, fixes the module platform limiting block two 9 on the module moving plate 2 and the module platform limiting block one 8 close to the gantry 11, ensures that the module platform is moved into position, at this time, the module moving plate 2 is in contact with the module platform limiting switch 10, transmits a signal to the controller, then controls the stepping motor 1201 to work through the control button to drive the nut and the lifting plate 1204 to move downward, drives the inductive capacity contact mounting plate 13 to move up and down through the connecting plate 1205, moves the inductive capacity contact assembly 14 to contact the module to be tested, in the process of descending, until the lifting plate 1204 touches the lower limit switch 1209 to stop, the inductive capacity contact assembly 14 is lowered, until the inductive capacity contact 1403 contacts the surface of the module, the spring 1404 plays a buffering role when the inductive capacity contact 1403 is pressed, ensures that the pressing force is uniform, avoids damaging the module, when the inductive capacity contact 1403 contacts the surface of the module, the inductive capacity test is carried out, in the test process, the lifting module 12 ensures the stable movement of the inductive capacity contact assembly 14, improves the test precision and consistency, after the test is completed, the operator presses the control button again, the stepping motor 1201 drives the lifting plate 1204 to move upward, until the upper limit switch 1208 is touched to return to the initial position, then the operator moves the module 3 to the clamping position, after the whole test process is completed, through the above operation process, the module inductive capacity test automation process of the utility model test fixture is realized, the test efficiency and accuracy are improved, and the labor intensity of the operator is reduced.
[0041] The above embodiment is a preferred implementation scheme of the utility model, in addition to this, the utility model can be realized in other ways, under the premise of not departing from the technical scheme concept, any obvious replacement is within the protection scope of the utility model.
Claims
1. An inductance test fixture, comprising: The utility model provides a detection machine support seat (1), one side fixedly connected with gantry (11) on the top of detection machine support seat (1), be installed with inductive capacity contact mounting plate (13) through lifting module (12) on gantry (11), a plurality of inductive capacity contact assembly (14) are installed on inductive capacity contact mounting plate (13), lifting module (12) is used to drive inductive capacity contact mounting plate (13) and inductive capacity contact assembly (14) longitudinal lifting movement, the top of detection machine support seat (1) is provided with module platform, and the module platform includes module moving plate (2), the top fixedly connected with fixed support plate (4) of module moving plate (2), the top fixedly connected with module placement platform (6) of fixed support plate (4), and the mobile module (3) is installed between module moving plate (2) and detection machine support seat (1), and the mobile module (3) is used to drive module placement platform (6) to move to inductive capacity contact assembly (14) below; The inductive capacity contact assembly (14) includes a guide sleeve (1401) embeddedly installed on the inductive capacity contact mounting plate (13), a contact guide rod (1402) is slidingly installed in the guide sleeve (1401), the bottom end of the contact guide rod (1402) is fixedly connected with an inductive capacity contact (1403), a spring (1404) is sleeved between the inductive capacity contact (1403) and the guide sleeve (1401) and located outside the contact guide rod (1402), and a stop block (1405) is fixedly connected to the top end of the contact guide rod (1402).
2. The inductance test fixture of claim 1, wherein: The mobile module (3) includes a module platform moving guide rail (301) fixedly connected to the top of the detection machine support seat (1) and a module platform moving slider (302) fixedly connected to the bottom of the module moving plate (2), and the module platform moving slider (302) is slidingly connected with the module platform moving guide rail (301).
3. The inductance test fixture of claim 1, wherein: The top of the detection machine support seat (1) is fixedly connected with a module platform limiting block one (8) on both sides, the top of the module moving plate (2) is fixedly connected with a module platform limiting block two (9) corresponding to the position of the module platform limiting block one (8) on both sides, a magnet one is embeddedly installed in the module platform limiting block one (8), a magnet two is embeddedly installed in the module platform limiting block two (9), and the magnet one and the magnet two are mutually adsorbed.
4. The inductance test fixture of claim 1, wherein: A module platform limiting switch (10) is installed on the top of the detection machine support seat (1) near the gantry (11), and the module platform limiting switch (10) corresponds to the height of the module moving plate (2).
5. The inductance test fixture of claim 1, wherein: An active bearing plate (5) is further arranged between one side of the top of the module moving plate (2) and the module placement platform (6), the bottom end of the active bearing plate (5) is hingedly connected with the module moving plate (2), the top end of the active bearing plate (5) abuts against the bottom of the module placement platform (6), and an active bearing plate support block is fixedly connected to the outside of the active bearing plate (5).
6. The inductance test fixture of claim 1, wherein: The module placement table (6) is provided with a module placement groove on the top, and a module limiting block (7) is installed around the module placement groove on the module placement table (6), which is used for limiting the installation position of the module in the module placement groove.
7. The inductance test fixture of claim 1, wherein: The lifting module (12) comprises a stepping motor (1201) installed on the top of the gantry (11), the output end of the stepping motor (1201) penetrates through the gantry (11) and is fixedly connected with a ball screw (1203) through a shaft coupling, the inside of the gantry (11) is fixedly connected with a limiting plate (1202) near the bottom end, the bottom end of the ball screw (1203) is rotatably connected to the limiting plate (1202), a nut is sleeved on the ball screw (1203), the outer side of the nut is fixedly connected with a lifting plate (1204), the ball screw (1203) drives the nut and the lifting plate (1204) to move along the axial direction, and the inductive contact head mounting plate (13) and the lifting plate (1204) are fixedly connected through a connecting plate (1205).
8. The inductance test fixture of claim 7, wherein: The inside of the gantry (11) is fixedly connected with Z-axis sliding rails (1206) on both sides in the longitudinal direction, and Z-axis sliding blocks (1207) are fixedly connected to both ends of the lifting plate (1204), and the Z-axis sliding blocks (1207) are slidingly connected with the Z-axis sliding rails (1206).
9. The inductance test fixture of claim 7, wherein: The top end of the inside of the gantry (11) is installed with an upper limiting switch (1208) corresponding to the position of the lifting plate (1204), and the top of the limiting plate (1202) is installed with a lower limiting switch (1209) corresponding to the position of the lifting plate (1204).