A detection device for testing the plug-in force of precision spare parts
By designing an automated testing device and combining insertion and extraction force testing components, the problems of misalignment and inaccurate data in the insertion and extraction force testing of precision charging components have been solved, achieving efficient and accurate insertion and extraction force testing.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2023-11-23
- Publication Date
- 2026-03-24
AI Technical Summary
In existing technologies, the insertion and extraction force detection of precision charging components suffers from problems such as easy deviation during manual operation and inaccurate data, which affect the detection efficiency and accuracy.
A detection device comprising a base, a fixed seat, a movable plate, a drive seat, a driven plate, and a rotating plate is designed. The device achieves automated detection of insertion and extraction forces and insertion forces through a servo motor drive assembly. Combined with the insertion and extraction force detection assembly and the insertion force detection assembly, the device uses a pressure sensor and a PIN probe for accurate data output.
It enables stable and accurate detection of the insertion and extraction force of precision parts, solves the problem of test misalignment, improves the continuity and efficiency of testing, and ensures the accuracy and consistency of test data.
Smart Images
Figure CN117782391B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of spare part plug-in force detection, and particularly relates to a detection device for testing plug-in force of precision spare parts. BACKGROUND
[0002] The plug-in force detection standard of precision charging spare parts is that the insertion force is not more than 35N, the pull-out force is not less than 10N, and after 1500 times of insertion and pull-out, the pull-out force is not less than 8N, which is a standard charger; the purpose of plug-in force detection of charging spare parts is that the plug-in force tester is used for testing the plug-in force of various wires, terminals, connectors, plugs and sockets, simulating the actual loading use force, plug-in life and other tests;
[0003] The operation mode of using the PIN rod for insertion force test is as follows: for the finished product of super-precision charging spare parts, three PIN holes are needed to detect the insertion value. Manual operation is easy to deviate, so the test data will have errors and be inaccurate; the operation mode of using the hand tool for plug-in force test is as follows: for the finished product of super-precision charging spare parts, the hand tool is needed to detect the plug-in force value, and manual operation data will have errors and be inaccurate, so special fixtures need to be set to assist, which affects the work efficiency and accuracy of plug-in force detection of charging spare parts; therefore, the above technical problems need to be improved and handled. SUMMARY
[0004] The present application aims at solving the problems in the prior art and provides a detection device for testing plug-in force of precision spare parts.
[0005] In order to achieve the above-mentioned purpose, the present application adopts the following technical scheme: a detection device for testing plug-in force of precision spare parts, comprising a base, a fixed seat arranged on one side of the top of the base and a moving plate slidingly arranged on the other side of the top surface of the base, a driving seat is arranged on one side of the top of the moving plate, a circular groove is formed on the inner side surface of the fixed seat, a driven disc is rotatably arranged in the circular groove, a rotating shaft is transversely rotatably arranged on the inner side surface of the driving seat, a rotating disc is fixedly connected to the inner end of the rotating shaft, a servo motor is arranged on the outer side surface of the driving seat for driving the rotating shaft, and a battery seat is arranged on the other side of the top surface of the moving plate; a guide groove is transversely formed on the top surface of the base; a driving assembly for horizontal movement of the moving plate is arranged in the guide groove; a plurality of fixed grooves are equidistantly formed on the inner side surface of the fixed seat, a mounting seat is arranged in each fixed groove, a to-be-tested charging plug is fixedly arranged on the mounting seat, a plurality of rectangular grooves are equidistantly formed on the inner side surface of the rotating disc, a fixed plate is arranged in each rectangular groove, a fixed shell is arranged on the inner side surface of the fixed plate, and a detection mechanism for plug-in force test of spare parts is arranged on the fixed shell.
[0006] Preferably, the detection mechanism comprises a plug-in force detection assembly arranged inside the three fixed shells and an insertion force detection assembly arranged inside the other three fixed shells, the plug-in force detection assembly comprises a plug-in force detector movably arranged at the outer end of the other three fixed shells, a movable seat movably arranged at the inner end of the other three fixed shells, and a counterpart movably connected to the inner side of the movable seat, the counter end of the counterpart movably penetrates out of the fixed shell; and the detection end of the plug-in force detector is fixedly connected to the outer side of the movable seat.
[0007] Preferably, the movable seat is movably arranged with a stabilizing rod on the circumferential side, the end of the stabilizing rod is fixedly connected to the inner wall of the fixed shell; and a stabilizing spring is movably arranged on the stabilizing rod of one side of the movable seat.
[0008] Preferably, the insertion force detection assembly comprises a moving block movably arranged inside the three fixed shells, an electric push rod arranged at the outer end of the fixed shell, and a plurality of PIN measuring rods rotatably connected to the inner side of the moving block, a plurality of guide sleeves for the PIN measuring rods to pass through are arranged on the inner side of the fixed shell; an installation cavity is arranged in the moving block, a vertically arranged pressure measuring force sensor is movably arranged on one side of the installation cavity, the telescopic end of the electric push rod movably penetrates into the installation cavity and is fixedly connected to one side of the pressure measuring force sensor; a pressure sensor is arranged on the inner wall of the inner end of the three fixed shells, and an abutting groove is arranged on the outer side of the inner side of the moving block, and the pressure sensor is arranged in position corresponding to the abutting groove.
[0009] Preferably, the moving block is movably arranged with a guide rod on the upper and lower ends, the end of the guide rod is fixedly connected to the inner wall of the fixed shell; the rod body of the PIN measuring rod movably penetrates out of the guide sleeve, and the inner end of the PIN measuring rod is arc-shaped.
[0010] Preferably, the driving assembly comprises a servo motor fixedly arranged at one end of the guide groove, a lead screw rotatably arranged on the driving shaft of the servo motor, and a threaded seat movably sleeved on the lead screw, the top of the threaded seat is fixedly connected to the bottom surface of the moving plate.
[0011] Preferably, the inner side of the rotating disc is fixedly connected with a fixed sleeve in the middle, the fixed sleeve is fixedly connected with a spline column in the middle, the edge of the inner end of the spline column is chamfered; the inner side of the driven disc is fixedly connected with a spline sleeve matched with the spline column in the middle, the inner side of the driven disc is arranged with a through hole penetrating through the fixed seat in the middle; the diameter of the through hole is greater than the diameter of the inner ring of the spline sleeve.
[0012] Compared with the prior art, the present application has the beneficial effects that: through the cooperation of the driven disc with the rotating disc and the detection mechanism, the present application can test and detect the plug-in force and the plug-out force of the to-be-tested charging plug through the detection mechanism when the driving assembly drives the driving seat to move horizontally, and can stably and accurately output the data of the push-pull force gauge; meanwhile, the PIN measuring rod assembled by disassembling the upper shell of each plug-in force detection assembly can detect the plug-in force of a single hole or multiple holes of the to-be-tested charging plug; and the operation track of the ultra-precision spare part is stable, the test deviation problem is solved, the operation of detecting the to-be-tested charging plug is simple, the consistency of the test and inspection is high, and the continuity and efficiency of the two test modes are greatly improved. BRIEF DESCRIPTION OF DRAWINGS
[0013] The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and serve to explain the principles of the application. In the drawings:
[0014] Figure 1 It is a schematic diagram of the overall structure of the present application;
[0015] Figure 2 It is a schematic diagram of the overall structure of the present application;
[0016] Figure 3 It is a schematic diagram of the structure after the moving plate and the driving seat are removed;
[0017] Figure 4 It is a schematic diagram of the structure after the fixed seat is removed;
[0018] Figure 5 It is a schematic diagram of the structure inside the driving seat of the present application;
[0019] Figure 6 It is a schematic diagram of the structure of the fixed seat and the driven disc of the present application;
[0020] Figure 7 It is a schematic diagram of the structure of the driving seat and the rotating disc of the present application;
[0021] Figure 8 It is a schematic diagram of the structure inside the fixed seat and the driven disc of the present application;
[0022] Figure 9 It is a schematic diagram of the structure of the driven disc and the spline sleeve of the present application;
[0023] Figure 10 It is a schematic diagram of the structure of the rotating disc and the spline column of the present application;
[0024] Figure 11 It is a schematic diagram of the structure of the fixed shell and the counterpiece of the present application;
[0025] Figure 12 Figure 1 is a schematic view of the fixed shell and PIN measuring rod of the present application;
[0026] Figure 13 Figure 2 is a sectional view of the insertion force detection assembly of the present application;
[0027] Figure 14 Figure 3 is a sectional view of the insertion force detection assembly of the present application.
[0028] In the figure, the serial numbers are as follows: 1, base; 2, fixed seat; 3, driven disc; 4, moving plate; 5, driving seat; 6, battery seat; 7, servo motor; 8, mounting seat; 9, plug to be measured; 10, rotating disc; 11, fixed plate; 12, fixed shell; 13, counter hand; 14, PIN measuring rod; 15, servo motor; 16, lead screw; 17, threaded seat; 18, fixed sleeve; 19, spline column; 20, spline sleeve; 21, guide sleeve; 22, electric push rod; 23, moving block; 24, guide rod; 25, pressure sensor; 26, pressure cell; 27, insertion force detector; 28, movable seat; 29, stabilizing rod; 30, stabilizing spring. DETAILED DESCRIPTION
[0029] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments of the present application.
[0030] Embodiment: see Figures 1 to 14The utility model provides a detection device for testing precision spare and accessory plug -pull force, including base 1, fixed seat 2 of being located in the top one side of base 1 and the moving plate 4 of sliding in the top surface other side of base 1, the top one side of moving plate 4 is equipped with drive seat 5, is equipped with driven disc 3 in the inside surface of fixed seat 2 on the round slot, the inside surface of drive seat 5 is equipped with the pivot that rotates laterally, the inner end of pivot is fixedly connected with rotary disc 10, the outside surface of drive seat 5 is equipped with servo motor 7 for the drive of pivot, the other side of moving plate 4 top surface is equipped with battery holder 6, the top surface of base 1 is equipped with guide slot laterally, and the inside of guide slot is equipped with the drive assembly for the horizontal displacement of moving plate 4, and the inside surface of fixed seat 2 is equipped with a plurality of fixed slots equidistantly on the circumferential side, and the inside of fixed slot is equipped with mounting seat 8, and the inside surface of mounting seat 8 is fixedly installed with the charging plug 9 to be measured, and the inside surface of rotary disc 10 is equipped with a plurality of rectangular slots equidistantly, and the inside of rectangular slot is equipped with fixed plate 11, and the inside surface of fixed plate 11 is equipped with fixed shell 12, and fixed shell 12 is installed with the detection mechanism for spare and accessory plug -pull force test, through the cooperation of driven disc 3 with rotary disc 10 and detection mechanism, when drive seat 5 is driven by drive assembly and is horizontally displaced, the detection mechanism can test and detect the plug -pull force and insertion force of charging plug 9 to be measured, and the data of push -pull force gauge can be stably and accurately output.
[0031] In the utility model, the detection mechanism includes plug -pull force detection assembly arranged in the inside of three fixed shells 12 and insertion force detection assembly arranged in the inside of other three fixed shells 12, the plug -pull force detection assembly includes plug -pull force detector 27 movably arranged in the outside end of the inside of other three fixed shells 12, movable seat 28 movably arranged in the inside end of the inside of other three fixed shells 12 and counter hand 13 fixedly connected to the inside surface of movable seat 28, the butt joint end of counter hand 13 movably penetrates out of the outside of fixed shell 12, the detection end of plug -pull force detector 27 is fixedly connected to the outside surface of movable seat 28, the circumferential side of movable seat 28 is movably provided with stabilizing rod 29, the end of stabilizing rod 29 is fixedly connected to the inner wall of fixed shell 12, and stabilizing spring 30 is movably arranged on the stabilizing rod 29 of one side of movable seat 28, the plug -pull force detection assembly can quickly detect the plug -pull force of charging plug 9 after being inserted into counter hand 13, and the running track of ultra-precision spare and accessory can be stabilized, the test deviation problem is solved, the operation when detecting charging plug 9 is simple, the consistency of test and inspection is high, and the continuity and efficiency of two test modes are greatly improved.
[0032] In the application, the insertion force detection assembly comprises a moving block 23 movably arranged in the three fixed shells 12, an electric push rod 22 arranged at the outer end of the fixed shell 12, and a plurality of PIN measuring rods 14 transversely and screwingly connected to the inner side of the moving block 23, a plurality of guide sleeves 21 are transversely and penetratingly arranged on the inner side of the fixed shell 12 for the PIN measuring rods 14 to pass through; a mounting cavity is arranged in the moving block 23, a vertical pressure force gauge 26 is movably arranged on one side of the mounting cavity, the telescopic end of the electric push rod 22 is movably penetrated into the mounting cavity and is fixedly connected to one side of the pressure force gauge 26; the inner wall of the inner end of the three fixed shells 12 is provided with a pressure sensor 25, the inner side of the moving block 23 is provided with an abutting groove, and the pressure end of the pressure sensor 25 corresponds to the position of the abutting groove; the upper end and the lower end of the moving block 23 are both transversely and movably provided with a guide rod 24, and the end of the guide rod 24 is fixedly connected to the inner wall of the fixed shell 12; the rod body of the PIN measuring rod 14 is movably penetrated out of the guide sleeve 21, and the inner end of the PIN measuring rod 14 is arc-shaped; and the PIN measuring rods 14 on each insertion force detection assembly are used to detect the insertion force of the single hole or the multiple holes of the to-be-tested charging plug 9.
[0033] In the application, the driving assembly comprises a servo motor 15 fixedly arranged at one end of the guide groove, a lead screw 16 transversely arranged on the driving shaft of the servo motor 15, and a threaded seat 17 movably sleeved on the lead screw 16, and the top of the threaded seat 17 is fixedly connected to the bottom surface of the moving plate 4; the inner side of the rotating disc 10 is transversely fixedly provided with a fixed sleeve 18, the fixed sleeve 18 is transversely and fixedly provided with a spline column 19 in the inner side, and the edge of the inner end of the spline column 19 is chamfered; the inner side of the driven disc 3 is transversely and fixedly provided with a spline sleeve 20 matched with the spline column 19, and the inner side of the driven disc 3 is provided with a through hole penetrating through the fixed seat 2; the diameter of the through hole is greater than that of the inner ring of the spline sleeve 20, and through the cooperation of the spline column 19 and the spline sleeve 20, the driven disc 3 can be automatically aligned and calibrated, and when the rotating disc 10 drives the spline column 19 to rotate, the spline column 19 inserted into the spline sleeve 20 can drive the driven disc 3 to rotate, thereby facilitating the disassembly and assembly of the to-be-tested charging plug 9.
[0034] Working principle: in the embodiment, the application further provides a use method of the detection device for testing the insertion and pulling force of the precision spare part, which comprises the following steps:
[0035] Step one, first, the servo motor 7, the electric push rod 22, the servo motor 15, the pressure sensor 25 and the pulling force detector 27 are respectively electrically connected with the external control equipment through wires, then the plurality of to-be-tested charging plugs 9 are fixedly arranged on the mounting seat 8 of the driven disc 3, and then the pulling force detection assemblies and the insertion force detection assemblies are arranged on the rotating disc 10 in an interval staggered manner.
[0036] Step two, then start driving assembly to drive the moving plate 4 and drive base 5 towards the fixed seat 2 moves, in the drive base 5 towards the fixed seat 2 moves, will first make the spline column 19 inserted into the spline sleeve 20 in the middle of the driven disc 3, after the spline column 19 inserted into the spline sleeve 20 inside can automatically adjust the driven disc 3, can make the multiple test charging plug 9 installed on the driven disc 3 and the PIN test rod 14 axial relative centering;
[0037] Step three, then through the moving plate 4 in the driving assembly continues to move under the action, not only can make the three plug-in force detection components on the rotating disc 10 and the three plug-in force detection components synchronous with the test charging plug 9 complete docking, but also can make the three plug-in force detection components on the rotating disc 10 first complete docking with the three test charging plug 9 on the driven disc 3, and then make the three plug-in force detection components on the rotating disc 10 complete plug-in operation with the other three test charging plug 9 on the driven disc 3, when needed, start the electric push rod 22 to drive the pressure gauge 26 to move back, when the pressure gauge 26 moves back, it can abut against the outer end of the installation cavity, and then drive the moving block 23 towards the electric push rod 22, drive the PIN test rod 14 towards the inside of the fixed shell 12, so as to realize the detection of the plug-in force detection component on the test charging plug 9;
[0038] Step four, in the process of plug-in of the three plug-in force detection components and the three test charging plug 9, the pressure gauge 26 can detect the plug-in resistance when the PIN test rod 14 is inserted into the test charging plug 9, and the pressure sensor 25 can detect the resistance when the PIN test rod 14 is pulled out of the test charging plug 9, and each plug-in force detection component on the PIN test rod 14 can also be detected synchronously;
[0039] Step five, when the three plug-in force detection components and the other three test charging plug 9 complete plug-in, start the driving assembly to drive the moving plate 4 and the drive base 5 to move back, when the drive base 5 drives the rotating disc 10 and the detection mechanism to move back, the plug-in force of the test charging plug 9 out of the handpiece 13 is detected by the plug-in force detector 27 at this time, which improves the efficient detection of multiple test charging plugs 9; it is convenient to complete the test and detection of the plug-in force and the plug-in force of the super precision spare parts, and the data of the push-pull force meter can be stably and accurately outputted;
[0040] In step six, the rotating disc 10 can be driven to rotate slightly by the servo motor 7, so as to switch the position of the plug-in force detection assembly and the plug-out force detection assembly, and facilitate the insertion force detection operation on the tested charging plug 9 after the plug-in force detection operation, thereby greatly improving the continuity and efficiency of the two test modes.
[0041] The above merely describes the preferred embodiments of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can make equivalent replacements or changes to the technical solutions and the inventive concept of the present application within the technical range disclosed by the present application, and all of them should be covered within the protection scope of the present application.
Claims
1. A testing device for testing the insertion and extraction force of precision parts, comprising a base (1), a fixed seat (2) disposed on one side of the top of the base (1), and a movable plate (4) slidably disposed on the other side of the top surface of the base (1), characterized in that: The top side of the movable plate (4) is provided with a drive seat (5), the inner side of the fixed seat (2) is provided with a circular groove, the driven disk (3) is rotatably installed in the circular groove, the inner side of the drive seat (5) is provided with a rotating shaft, the inner end of the rotating shaft is fixedly connected to a rotating disk (10), the outer side of the drive seat (5) is provided with a servo motor (7) for driving the rotating shaft, the other side of the top surface of the movable plate (4) is provided with a battery holder (6); the top surface of the base (1) is provided with a guide groove; the guide groove is provided with a drive assembly for the lateral movement of the movable plate (4). The inner side of the fixed base (2) is provided with multiple fixed grooves at equal intervals. Each fixed groove is equipped with a mounting base (8). Each mounting base (8) is fixedly installed with a charging plug (9) to be tested. The inner side of the rotating disk (10) is provided with multiple rectangular grooves at equal intervals. Each rectangular groove is provided with a fixing plate (11). Each fixing plate (11) is provided with a fixing shell (12) on its inner side. The fixing shell (12) is equipped with a testing mechanism for testing the insertion and extraction force of spare parts.
2. The testing device for testing the insertion and extraction force of precision parts according to claim 1, characterized in that: The detection mechanism includes insertion and extraction force detection components located inside three of the fixed shells (12) and insertion force detection components located inside the other three fixed shells (12). The insertion and extraction force detection components include insertion and extraction force detectors (27) movably located at the outer end of the other three fixed shells (12), movable seats (28) movably located at the inner end of the other three fixed shells (12), and a pairing member (13) movably fixed to the inner side of the movable seat (28). The mating end of the pairing member (13) movably extends out of the fixed shell (12). The detection end of the insertion and extraction force detector (27) is fixed to the outer side of the movable seat (28).
3. The testing device for testing the insertion and extraction force of precision parts according to claim 2, characterized in that: The movable seat (28) is laterally movably provided with a stabilizing rod (29) on all sides, and the end of the stabilizing rod (29) is fixedly connected to the inner wall of the fixed shell (12); a stabilizing spring (30) is movably sleeved on the stabilizing rod (29) on one side of the movable seat (28).
4. The testing device for testing the insertion and extraction force of precision parts according to claim 2, characterized in that: The insertion force detection assembly includes a movable block (23) movably disposed inside three of the fixed shells (12), an electric push rod (22) disposed at the outer end of the inner side of the fixed shell (12), and multiple PIN probes (14) laterally screwed onto the inner side of the movable block (23). Multiple guide sleeves (21) for the PIN probes (14) to pass through are laterally provided on the inner side of the fixed shell (12). An installation cavity is provided inside the movable block (23). A vertically placed pressure measuring device (26) is movably disposed on one side of the installation cavity. The telescopic end of the electric push rod (22) movably passes into the installation cavity and is fixedly connected to one side of the pressure measuring device (26). Pressure sensors (25) are provided on the circumferential side of the inner wall of the three fixed shells (12). An abutment groove is provided on the outer side of the inner side of the movable block (23). The contact end of the pressure sensor (25) corresponds to the position of the abutment groove.
5. A testing device for testing the insertion and extraction force of precision parts according to claim 4, characterized in that: The upper and lower ends of the movable block (23) are both laterally movably provided with guide rods (24), and the ends of the guide rods (24) are fixedly connected to the inner wall of the fixed shell (12); the rod body of the PIN probe (14) moves out from inside the guide sleeve (21), and the inner end of the PIN probe (14) is arc-shaped.
6. A testing device for testing the insertion and extraction force of precision parts according to claim 1, characterized in that: The drive assembly includes a servo motor (15) fixedly disposed at one end inside the guide groove, a lead screw (16) rotatably disposed on the drive shaft of the servo motor (15), and a threaded seat (17) movably sleeved on the lead screw (16). The top of the threaded seat (17) is fixedly connected to the bottom surface of the moving plate (4).
7. A testing device for testing the insertion and extraction force of precision parts according to claim 1, characterized in that: A fixing sleeve (18) is horizontally fixed to the middle of the inner side of the rotating disk (10), and a spline column (19) is horizontally fixed inside the fixing sleeve (18). The inner edge of the spline column (19) is beveled. A spline sleeve (20) that mates with the spline column (19) is horizontally fixed to the middle of the inner side of the driven disk (3). A through-hole is provided in the middle of the inner side of the driven disk (3) to pass through the fixing seat (2). The diameter of the through-hole is larger than the diameter of the inner ring of the spline sleeve (20).
Citation Information
Patent Citations
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CN204924525U