A fixture for automatic detection of capacitors and working method thereof

Abstract

The present invention belongs to the field of fixture technology, and specifically relates to a fixture for automatic detection of capacitors and a working method thereof. The fixture for automatic detection of capacitors includes: a base plate, a pressure plate assembly penetrating the base plate, and a tilting drive mechanism arranged at the bottom of the base plate; the tilting drive mechanism is suitable for driving the pressure plate assembly to clamp a first capacitor located on the base plate, and to make the upper test end of the first capacitor fit with the pressure plate electrode above the pressure plate assembly, and the lower test end of the first capacitor is connected to a probe column on the base plate. The fixture for automatic detection of capacitors and the working method thereof of the present invention can automatically detect the capacitor after it is clamped, without the need for manual operation, thereby improving the detection efficiency.

Description

Technical Field

[0001] The invention belongs to the technical field of fixtures, and in particular relates to a fixture for automatic detection of capacitors and a working method thereof. Background Art

[0002] After the capacitor is produced, its performance indicators need to be tested. The two terminals of the capacitor need to be plugged into the testing equipment for testing. When testing traditional capacitors, the capacitor is first clamped by the capacitor clamping assembly, and then the two terminals are vertically inserted into the two testing ends for testing. Moreover, the manual insertion method is adopted, and the terminals are manually unplugged after the test is completed. This plug-in testing method can easily make the tester tired, and the detection efficiency is very low. Summary of the invention

[0003] The purpose of the present invention is to provide a clamp for automatic detection of capacitors and a working method thereof, which can automatically detect the capacitor by clamping the capacitor through a tilting driving mechanism, thereby improving the detection efficiency.

[0004] In order to solve the above technical problems, the present invention provides a fixture for automatic detection of capacitors, comprising:

[0005] A bottom plate, a pressing plate assembly penetrating the bottom plate, and a tilting drive mechanism disposed at the bottom of the bottom plate;

[0006] The tilting drive mechanism is suitable for driving the pressure plate assembly to clamp the first capacitor located on the bottom plate, and make the upper test end of the first capacitor fit with the pressure plate electrode above the pressure plate assembly, and the lower test end of the first capacitor is connected to the probe column on the bottom plate.

[0007] Further, the tilt driving mechanism comprises: a rotating shaft arranged between two vertical plates below the bottom plate and a first paddle fixed on the rotating shaft;

[0008] The pressing plate assembly comprises: a first pressing plate and a second pressing plate fixedly connected by a connecting plate;

[0009] The bottoms of the first pressing plate and the second pressing plate are both provided with sliding holes suitable for inserting the first paddle;

[0010] The free end of the first paddle is provided with two protrusions;

[0011] The rotating shaft is rotated to drive the first paddle to swing, and the two protrusions respectively abut against the corresponding sliding holes and drive the pressure plate assembly to swing.

[0012] Furthermore, a rotating shaft is provided between the two vertical plates;

[0013] The first pressing plate and the second pressing plate are both connected to the rotating shaft through a connecting piece, so that when the rotating shaft rotates, the pressing plate assembly rotates along the guide of the rotating shaft.

[0014] Furthermore, the clamp further comprises: a lip plate penetrating the bottom plate and a clamping plate seat arranged on the bottom plate;

[0015] The tilting drive mechanism is suitable for driving the lip plate so that the clamping portion formed by the lip plate and the clamping plate seat clamps the first capacitor terminal of the second capacitor and makes the test end of the first capacitor terminal fit with the clamping plate seat.

[0016] Further, the clamp further comprises: a stopper disposed on the bottom plate;

[0017] The first pressing plate is provided with a first pressing block;

[0018] When the tilt driving mechanism drives the pressing plate assembly to swing, the first pressing block and the stopper clamp the second capacitor terminal of the second capacitor, and make the test end of the second capacitor terminal fit with the stopper.

[0019] Furthermore, the clamp further comprises: a lip plate penetrating the bottom plate and a clamping plate seat arranged on the bottom plate;

[0020] The tilting driving mechanism is suitable for driving the lip plate so that the clamping portion formed by the lip plate and the clamping plate seat clamps the third capacitor terminal of the third capacitor and makes the test end of the third capacitor terminal fit with the clamping plate seat.

[0021] Further, the fixture further comprises: a positioning block arranged on the bottom plate;

[0022] The positioning block is suitable for clamping two sides of the fourth capacitor terminal of the third capacitor;

[0023] The second pressing plate is provided with a second pressing block;

[0024] When the tilt driving mechanism drives the pressing plate assembly to swing, the second pressing block and the positioning block clamp the fourth capacitor terminal of the third capacitor, and connect the test end of the fourth capacitor terminal to the probe column.

[0025] Further, the lip plate is connected to the rotary shaft through a connecting piece;

[0026] The tilt drive mechanism further includes: a second paddle fixed on the rotating shaft;

[0027] The rotating shaft is rotated, and the second paddle is linked with the lip plate to put the lip plate in an open state.

[0028] In another aspect, the present invention further provides a working method of a fixture for automatic detection of capacitors, comprising:

[0029] Clamping the first capacitor and detecting its parameters; or

[0030] Clamping a second capacitor and detecting its parameters; or

[0031] Clamp the third capacitor and detect its parameters.

[0032] Further, the clamp is used to clamp the first capacitor and detect its parameters; or

[0033] The tilting driving mechanism drives the lip plate so that the clamping portion formed by the lip plate and the clamping plate seat clamps the first capacitor terminal of the second capacitor, and at the same time, the tilting driving mechanism drives the pressing plate assembly so that the first pressing block and the stopper clamp the second capacitor terminal of the second capacitor, so that the test end of the first capacitor terminal is in contact with the clamping plate seat, and the test end of the second capacitor terminal is in contact with the stopper; or

[0034] The tilting driving mechanism drives the lip plate so that the clamping portion formed by the lip plate and the clamping plate seat clamps the third capacitor terminal of the third capacitor. At the same time, the tilting driving mechanism drives the pressure plate assembly so that the second pressure block and the positioning block clamp the fourth capacitor terminal of the third capacitor, so that the test end of the third capacitor terminal is in contact with the clamping plate seat, and the test end of the fourth capacitor terminal is connected to the probe column.

[0035] The beneficial effect of the present invention is that, in the fixture for automatic detection of capacitors of the present invention and its working method, when the tilting drive mechanism drives the pressure plate assembly to clamp the first capacitor located on the base plate, the upper test end of the first capacitor is in contact with the pressure plate electrode above the pressure plate assembly, and the lower test end of the first capacitor is connected to the probe column on the base plate, so that the relevant performance parameters can be automatically detected after the capacitor is clamped, without manual operation, thereby improving the detection efficiency.

[0036] Other features and advantages of the present invention will be described in the following description, and partly become apparent from the description, or understood by practicing the present invention. The purpose and other advantages of the present invention are realized and obtained by the structures particularly pointed out in the description, claims and drawings.

[0037] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, preferred embodiments are given below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0039] Figure 1 is a schematic diagram of a first embodiment of the present invention;

[0040] Figure 2is a schematic diagram of another direction of the first embodiment of the present invention;

[0041] Figure 3 is a schematic diagram of a second embodiment of the present invention;

[0042] Figure 4 is a schematic diagram of a third embodiment of the present invention.

[0043] In the figure:

[0044] Base plate 1, pressure plate assembly 2, first pressure plate 201, sliding hole 2011, first pressure block 2012, second pressure plate 202, second pressure block 2021, tilt drive mechanism 3, rotating shaft 301, first paddle 302, protrusion 3021, second paddle 303, first capacitor 4, pressure plate electrode 5, probe column 6, vertical plate 7, rotating shaft 8, lip plate 9, clamping plate seat 10, second capacitor 11, first capacitor terminal 1101, second capacitor terminal 1102, stopper 12, third capacitor 13, third capacitor terminal 1301, fourth capacitor terminal 1302, positioning block 14, first test connection terminal 15, second test connection terminal 16, positioning angle piece 17. DETAILED DESCRIPTION

[0045] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0046] Example 1

[0047] Figure 1 is a schematic diagram of a first embodiment of the present invention;

[0048] Figure 2 is a schematic diagram of another direction of the first embodiment of the present invention;

[0049] like Figure 1 and Figure 2As shown, this embodiment 1 provides a fixture for automatic detection of capacitors, including: a base plate 1, a pressure plate assembly 2 penetrating the base plate 1, and a tilting drive mechanism 3 disposed at the bottom of the base plate 1; the tilting drive mechanism 3 is suitable for driving the pressure plate assembly 2 to clamp the first capacitor 4 located on the base plate 1, and to make the upper test end of the first capacitor 4 fit with the pressure plate electrode 5 above the pressure plate assembly 2, and the lower test end of the first capacitor 4 is connected to the probe column 6 on the base plate 1. When the tilting drive mechanism 3 of the fixture clamps the first capacitor 4, the upper test end of the first capacitor 4 fits with the pressure plate electrode 5 above the pressure plate assembly 2, and the lower test end of the first capacitor 4 is connected to the probe column 6 on the base plate 1, so that the relevant performance parameters of the capacitor can be automatically detected without manual operation, thereby improving the detection efficiency.

[0050] Among them, in this embodiment 1, the first test connection terminal 15 and the second test connection terminal 16 on the bottom plate 1 are first connected to the external tester, and then the first test connection terminal 15 is connected to the platen electrode 5 through a wire, and the second test connection terminal 16 is connected to the probe column 6 through a wire, and the platen electrode 5 and the probe column 6 are conductive. When the tilt drive mechanism 3 clamps the first capacitor 4, the upper test end of the first capacitor 4 is in contact with the platen electrode 5, and the lower test end of the first capacitor 4 is connected to the probe column 6, which realizes the detection of the performance parameters of the first capacitor 4 by the external tester.

[0051] Optionally, the tilt drive mechanism 3 includes: a rotating shaft 301 arranged between two vertical plates 7 below the base plate 1 and a first paddle 302 fixed on the rotating shaft 301; the pressure plate assembly 2 includes: a first pressure plate 201 and a second pressure plate 202 fixedly connected by a connecting plate; the bottoms of the first pressure plate 201 and the second pressure plate 202 are both provided with sliding holes 2011 suitable for inserting the first paddle 302; two protrusions 3021 are provided at the free end of the first paddle 302; when the rotating shaft 301 is rotated to drive the first paddle 302 to swing, the two protrusions 3021 respectively abut against the corresponding sliding holes 2011 and drive the pressure plate assembly 2 to swing.

[0052] A handle for facilitating the rotation of the shaft 301 is provided on the outer side of one of the vertical plates 7. By turning the handle, the first paddle 302 swings along the shaft 301, and the two protrusions 3021 respectively press against the corresponding sliding holes 2011 to push the pressure plate assembly 2 to rotate. When the pressure plate assembly 2 rotates to the vertical bottom plate 1, the upper test end of the first capacitor 4 fits with the pressure plate electrode 5, and the lower test end of the first capacitor 4 is connected to the probe column 6, so that the test of the first capacitor 4 can be completed.

[0053] In this embodiment, a rotating shaft 8 is further provided between the two vertical plates 7; the first pressing plate 201 and the second pressing plate 202 are both connected to the rotating shaft 8 through a connecting piece, so that when the rotating shaft 301 rotates, the pressing plate assembly 2 is guided to rotate along the rotating shaft 8. The rotating shaft 8 guides the rotation of the pressing plate assembly 2, and a spring is provided on the rotating shaft 8 to help the pressing plate assembly 2 return to its original state when rotating.

[0054] Example 2

[0055] Figure 3 is a schematic diagram of a second embodiment of the present invention;

[0056] like Figure 3 As shown, this embodiment 2 provides a fixture for automatic detection of capacitors, comprising: a bottom plate 1, a pressing plate assembly 2 penetrating the bottom plate 1, and a tilting driving mechanism 3 disposed at the bottom of the bottom plate 1;

[0057] The tilting drive mechanism 3 includes: a rotating shaft 301 arranged between two vertical plates 7 below the bottom plate 1 and a first paddle 302 fixed on the rotating shaft 301; the pressure plate assembly 2 includes: a first pressure plate 201 and a second pressure plate 202 fixedly connected by a connecting plate; the bottoms of the first pressure plate 201 and the second pressure plate 202 are both provided with sliding holes 2011 suitable for inserting the first paddle 302; the free end of the first paddle 302 is provided with two protrusions 3021; ​​when the rotating shaft 301 is rotated to drive the first paddle 302 to swing, the two protrusions 3021 respectively abut against the corresponding sliding holes 2011 and drive the pressure plate assembly 2 to swing.

[0058] In this embodiment, the clamp also includes: a stopper 12 arranged on the base plate 1; a first pressure block 2012 is arranged on the first pressure plate 201; when the tilting drive mechanism 3 drives the pressure plate assembly 2 to swing, the first pressure block 2012 and the stopper 12 clamp the second capacitor terminal 1102 of the second capacitor 11, and make the test end of the second capacitor terminal 1102 fit with the stopper 12.

[0059] Specifically, the front end of the second capacitor terminal 1102 is in a “┌” shape, and the tilting drive mechanism 3 drives the pressure plate assembly 2 to swing. When the pressure plate assembly 2 is vertical to the bottom plate 1, the front end of the second capacitor terminal 1102 is stuck in the gap between the first pressure block 2012 and the stop block 12.

[0060] This embodiment further includes: a lip plate 9 penetrating the bottom plate 1 and a clamping plate seat 10 disposed on the bottom plate 1; the tilting driving mechanism 3 is suitable for driving the lip plate 9 so that the clamping portion formed by the lip plate 9 and the clamping plate seat 10 clamps the first capacitor terminal 1101 of the second capacitor 11, and the test end of the first capacitor terminal 1101 is fitted with the clamping plate seat 10. The tilting driving mechanism 3 drives the lip plate 9 to swing, so that the clamping portion formed by the lip plate 9 and the clamping plate seat 10 clamps or releases the first capacitor terminal 1101 of the second capacitor 11.

[0061] Among them, the first capacitor terminal 1101 and the second capacitor terminal 1102 are connected by wires to form a second capacitor 11. Before the clamp is used, the first test connection terminal 15 is first connected to the clamp seat 10 through a wire, and the second test connection terminal 16 is connected to the block 12 through a wire, and the clamp seat 10 and the block 12 are conductive. The lip plate 9 is driven by the tilting drive mechanism 3, so that the clamping portion formed by the lip plate 9 and the clamp seat 10 clamps the first capacitor terminal 1101 of the second capacitor 11, and at the same time, the tilting drive mechanism 3 drives the pressure plate assembly 2, so that the first pressure block 2012 and the block 12 clamp the second capacitor terminal 1102 of the second capacitor 11, so that the test end of the first capacitor terminal 1101 fits with the clamp seat 10, and the test end of the second capacitor terminal 1102 fits with the block 12, that is, the external tester detects the performance parameters of the second capacitor 11.

[0062] In this embodiment, a "Z"-shaped positioning angle piece 17 is provided on one side of the clamping plate seat 10 to fix the first capacitor terminal 1101. The positioning angle piece 17 is provided to clamp the gap of the first capacitor terminal 1101 to prevent the first capacitor terminal 1101 from tilting left and right after being clamped.

[0063] In this embodiment, a rotating shaft 8 is further provided between the two vertical plates 7; the first pressing plate 201 and the second pressing plate 202 are both connected to the rotating shaft 8 through a connecting piece, so that when the rotating shaft 301 rotates, the pressing plate assembly 2 is guided to rotate along the rotating shaft 8. The rotating shaft 8 guides the rotation of the pressing plate assembly 2, and a spring is provided on the rotating shaft 8 to help the pressing plate assembly 2 return to its original state when rotating.

[0064] In this embodiment, the lip plate 9 is connected to the rotating shaft 8 through a connecting piece; the tilting drive mechanism 3 also includes: a second paddle 303 fixed on the rotating shaft 301; when the rotating shaft 301 is rotated, the second paddle 303 is linked with the lip plate 9 to put the lip plate 9 in an open state.

[0065] Specifically, when the rotating shaft 301 is rotated, the second paddle 303 moves against the lip plate 9, causing the lip plate 9 to tilt and open, and the clamping portion formed by the lip plate 9 and the clamping seat 10 releases the first capacitor terminal 1101; when the rotating shaft 301 is rotated in the opposite direction, the second paddle 303 returns to the center, and the lip plate 9 returns to the center under the action of the rotating shaft 8, causing the lip plate 9 to be perpendicular to the bottom plate 1, and the clamping portion formed by the lip plate 9 and the clamping seat 10 clamps the first capacitor terminal 1101.

[0066] Example 3

[0067] Figure 4 is a schematic diagram of a third embodiment of the present invention.

[0068] like Figure 4 As shown, this embodiment 3 provides a fixture for automatic detection of capacitors, comprising: a bottom plate 1, a pressing plate assembly 2 penetrating the bottom plate 1, and a tilting driving mechanism 3 disposed at the bottom of the bottom plate 1;

[0069] The tilting drive mechanism 3 includes: a rotating shaft 301 arranged between two vertical plates 7 below the bottom plate 1 and a first paddle 302 fixed on the rotating shaft 301; the pressure plate assembly 2 includes: a first pressure plate 201 and a second pressure plate 202 fixedly connected by a connecting plate; the bottoms of the first pressure plate 201 and the second pressure plate 202 are both provided with sliding holes 2011 suitable for inserting the first paddle 302; the free end of the first paddle 302 is provided with two protrusions 3021; ​​when the rotating shaft 301 is rotated to drive the first paddle 302 to swing, the two protrusions 3021 respectively abut against the corresponding sliding holes 2011 and drive the pressure plate assembly 2 to swing.

[0070] In this embodiment, the fixture also includes: a positioning block 14 arranged on the base plate 1; the positioning block 14 is suitable for clamping the two sides of the fourth capacitor terminal 1302 of the third capacitor 13; a second pressure block 2021 is arranged on the second pressure plate 202; when the tilting drive mechanism 3 drives the pressure plate assembly 2 to swing, the second pressure block 2021 and the positioning block 14 clamp the fourth capacitor terminal 1302 of the third capacitor 13, and connect the test end of the fourth capacitor terminal 1302 to the probe column 6.

[0071] Specifically, the positioning block 14 clamps the two sides of the fourth capacitor terminal 1302 of the third capacitor 13, and the second pressing block 2021 has a boss. When the tilting drive mechanism 3 drives the pressure plate assembly 2 to swing until the pressure plate assembly 2 is perpendicular to the bottom plate 1, the front end of the fourth capacitor terminal 1302 is stuck under the boss, thereby clamping the fourth capacitor terminal 1302.

[0072] This embodiment further includes: a lip plate 9 penetrating the bottom plate 1 and a clamping plate seat 10 disposed on the bottom plate 1; the tilting driving mechanism 3 is suitable for driving the lip plate 9 so that the clamping portion formed by the lip plate 9 and the clamping plate seat 10 clamps the third capacitor terminal 1301 of the third capacitor 13, and the test end of the third capacitor terminal 1301 is attached to the clamping plate seat 10. The tilting driving mechanism 3 drives the lip plate 9 to swing, so that the clamping portion formed by the lip plate 9 and the clamping plate seat 10 clamps or releases the third capacitor terminal 1301 of the third capacitor 13.

[0073] Among them, the third capacitor terminal 1301 and the fourth capacitor terminal 1302 are connected by wires to form a third capacitor 13. Before the fixture is used, the first test connection end 15 is first connected to the clamp seat 10 through a wire, and the second test connection end 16 is connected to the probe column 6 through a wire, and the clamp seat 10 and the probe column 6 are conductive. The lip plate 9 is driven by the tilting drive mechanism 3, so that the clamping portion formed by the lip plate 9 and the clamp seat 10 clamps the third capacitor terminal 1301 of the third capacitor 13, and at the same time, the tilting drive mechanism 3 drives the pressure plate assembly 2, so that the second pressure block 2021 and the positioning block 14 clamp the fourth capacitor terminal 1302 of the third capacitor 13, so that the test end of the third capacitor terminal 1301 is in contact with the clamp seat 10, and the test end of the fourth capacitor terminal 1302 is connected to the probe column 6, that is, the external tester detects the performance parameters of the third capacitor 13.

[0074] In this embodiment, a "Z"-shaped positioning angle piece 17 is provided on one side of the clamping plate seat 10 to fix the third capacitor terminal 1301. The positioning angle piece 17 is provided to clamp the gap of the third capacitor terminal 1301 to prevent the third capacitor terminal 1301 from tilting left and right after being clamped.

[0075] In this embodiment, a rotating shaft 8 is further provided between the two vertical plates 7; the first pressing plate 201 and the second pressing plate 202 are both connected to the rotating shaft 8 through a connecting piece, so that when the rotating shaft 301 rotates, the pressing plate assembly 2 is guided to rotate along the rotating shaft 8. The rotating shaft 8 guides the rotation of the pressing plate assembly 2, and a spring is provided on the rotating shaft 8 to help the pressing plate assembly 2 return to its original state when rotating.

[0076] In this embodiment, the lip plate 9 is connected to the rotating shaft 8 through a connecting piece; the tilting drive mechanism 3 also includes: a second paddle 303 fixed on the rotating shaft 301; when the rotating shaft 301 is rotated, the second paddle 303 is linked with the lip plate 9 to put the lip plate 9 in an open state.

[0077] Specifically, when the rotating shaft 301 is rotated, the second paddle 303 moves against the lip plate 9, causing the lip plate 9 to tilt and open, and the clamping portion formed by the lip plate 9 and the clamping seat 10 releases the third capacitor terminal 1301; when the rotating shaft 301 is rotated in the opposite direction, the second paddle 303 returns to the center, and the lip plate 9 returns to the center under the action of the rotating shaft 8, causing the lip plate 9 to be perpendicular to the bottom plate 1, and the clamping portion formed by the lip plate 9 and the clamping seat 10 clamps the third capacitor terminal 1301.

[0078] Example 4

[0079] Based on the above embodiments, this embodiment provides a working method of a fixture for automatic detection of capacitors, including: clamping the first capacitor 4 and detecting its parameters; or clamping the second capacitor 11 and detecting its parameters; or clamping the third capacitor 13 and detecting its parameters.

[0080] In this embodiment, the clamp in Embodiment 1 is used to clamp the first capacitor and detect its parameters; or the tilting driving mechanism 3 drives the lip plate 9 so that the clamping portion formed by the lip plate 9 and the clamping plate seat 10 clamps the first capacitor terminal 1101 of the second capacitor 11, and at the same time, the tilting driving mechanism 3 drives the pressing plate assembly 2 so that the first pressing block 2012 and the stopper 12 clamp the second capacitor terminal 1102 of the second capacitor 11, so that the test end of the first capacitor terminal 1101 fits with the clamping plate seat 10, and the second capacitor terminal 1102 is clamped. The test end of 102 is fitted with the stop block 12; or the tilting driving mechanism 3 drives the lip plate 9, so that the clamping portion formed by the lip plate 9 and the clamping plate seat 10 clamps the third capacitor terminal 1301 of the third capacitor 13, and at the same time, the tilting driving mechanism 3 drives the pressure plate assembly 2, so that the second pressure block 2021 and the positioning block 14 clamp the fourth capacitor terminal 1302 of the third capacitor 13, so that the test end of the third capacitor terminal 1301 is fitted with the clamping plate seat 10, and the test end of the fourth capacitor terminal 1302 is connected to the probe column 6.

[0081] In the present invention, the first capacitor 4, the second capacitor 11 and the third capacitor 13 are all noise-eliminating capacitors, and their shapes can be varied in many ways. As long as they can be clamped by the clamp of the present invention, they are within the protection scope of the present invention.

[0082] In summary, the fixture for automatic detection of capacitors and the working method thereof of the present invention, when the tilting drive mechanism 3 drives the pressure plate assembly 2 to clamp the first capacitor 4 located on the base plate 1, the upper test end of the first capacitor 4 is in contact with the pressure plate electrode 5 above the pressure plate assembly 2, and the lower test end of the first capacitor 4 is connected to the probe column 6 on the base plate 1, so that the relevant performance parameters can be automatically detected after the capacitor is clamped, without manual operation, thereby improving the detection efficiency; the fixture of the present invention can clamp a variety of silencer capacitors and has stronger versatility.

[0083] The various devices selected in this application (components whose specific structures are not described) are all universal standard parts or components known to those skilled in the art, and their structures and principles can be known to those skilled in the art through technical manuals or conventional experimental methods.

[0084] In the description of the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0085] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0086] In the several embodiments provided in the present application, it should be understood that the disclosed systems, devices and methods can be implemented in other ways. The device embodiments described above are merely schematic. For example, the division of the units is only a logical function division. There may be other division methods in actual implementation. For example, multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some communication interfaces, and the indirect coupling or communication connection of devices or units can be electrical, mechanical or other forms.

[0087] The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0088] In addition, each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.

[0089] Based on the above ideal embodiments of the present invention, the relevant staff can make various changes and modifications without departing from the technical concept of the present invention through the above description. The technical scope of the present invention is not limited to the contents of the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A fixture for automated testing of capacitors, characterized in that: include: A bottom plate, a pressing plate assembly penetrating the bottom plate, and a tilting drive mechanism disposed at the bottom of the bottom plate; The tilting drive mechanism is suitable for driving the pressing plate assembly to clamp the capacitor located on the bottom plate, and make the upper test end of the capacitor fit with the pressing plate electrode above the pressing plate assembly, and the lower test end of the capacitor is connected to the probe column on the bottom plate; The tilt driving mechanism comprises: a rotating shaft arranged between two vertical plates below the bottom plate and a first paddle fixed on the rotating shaft; The pressing plate assembly comprises: a first pressing plate and a second pressing plate fixedly connected by a connecting plate; The bottoms of the first pressing plate and the second pressing plate are both provided with sliding holes suitable for inserting the first paddle; The free end of the first paddle is provided with two protrusions; The rotating shaft is rotated to drive the first paddle to swing, and the two protrusions respectively abut against the corresponding sliding holes and drive the pressure plate assembly to swing; A rotating shaft is also provided between the two vertical plates; The first pressing plate and the second pressing plate are both connected to the rotary shaft through a connecting member, so that when the rotary shaft rotates, the pressing plate assembly rotates along the rotary shaft guide; and The rotating shaft plays a guiding role in the rotation of the pressure plate assembly, and a spring is arranged on the rotating shaft to help the pressure plate assembly return to its original state when rotating.

2. The clamp according to claim 1, characterized in that The clamp further comprises: a lip plate penetrating the bottom plate and a clamping plate seat arranged on the bottom plate; The tilting driving mechanism is suitable for driving the lip plate so that the clamping portion formed by the lip plate and the clamping plate seat clamps the first capacitor terminal of the capacitor and makes the test end of the first capacitor terminal fit with the clamping plate seat.

3. The clamp according to claim 1, characterized in that The clamp further comprises: a stopper disposed on the bottom plate; The first pressing plate is provided with a first pressing block; When the tilt driving mechanism drives the pressing plate assembly to swing, the first pressing block and the stopper clamp the second capacitor terminal of the capacitor, and the test end of the second capacitor terminal fits with the stopper.

4. The clamp according to claim 1, characterized in that The fixture further comprises: a positioning block disposed on the bottom plate; The positioning block is suitable for clamping two sides of the second capacitance terminal of the capacitor; The second pressing plate is provided with a second pressing block; When the tilt driving mechanism drives the pressing plate assembly to swing, the second pressing block and the positioning block clamp the second capacitor terminal of the capacitor, and connect the test end of the second capacitor terminal to the probe column.

5. The clamp according to claim 2, characterized in that: The lip plate is connected to the rotary shaft through a connecting piece; The tilt drive mechanism further includes: a second paddle fixed on the rotating shaft; The rotating shaft is rotated, and the second paddle is linked with the lip plate to put the lip plate in an open state.

6. A working method of the fixture for automatic detection of capacitors according to any one of claims 1 to 5, characterized in that: include: Clamp the capacitor and detect its parameters.

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