Switch elastic piece service life testing machine

Abstract

The utility model discloses a service life testing machine for a switch elastic sheet, which belongs to the technical field of switch elastic sheets and comprises a workbench, and the rear end of the workbench is connected with an adjustable pressing mechanism. The front end of the workbench is fixedly connected with a control panel, an indicating lamp, a power switch, a starting switch and a stopping switch. The upper end of the workbench is fixedly connected with a bearing plate; the adjustable pressing mechanism comprises an adjustable driving assembly, a connecting assembly and a pressing assembly, and the adjustable driving assembly is connected to the rear end of the workbench; the front end of the adjustable driving assembly is connected with a connecting assembly; the upper end of the connecting assembly is connected with a pressing assembly. In this way, the adjustable driving assembly drives the connecting assembly to drive the pressing assembly to move up and down, the pressing assembly cooperates with the pressure bearing plate to press the switch elastic piece, and meanwhile the service life of the switch elastic piece is obtained through counting of the control panel; the frequency of pressing the switch elastic sheet by the pressing assembly is adjusted through the adjustable driving assembly, the reasonable use frequency is determined according to the test result, and the service life of the switch elastic sheet is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to switch spring technology field, concretely relates to a switch spring life test machine. BACKGROUND

[0002] In the switch spring technical field, along with the rapid development of electronic technology, the switch spring widely used in various electronic products, its performance and life directly influence the quality and user experience of product, in order to ensure the stability and reliability of electronic product in the long-term use, the higher requirement is put forward to the life test of switch spring.

[0003] Chinese patent CN216433798U discloses a kind of metal spring life tester, including shell, the top of shell is provided with box, the inner chamber bottom of shell is provided with work station on left and right sides, the inner chamber front and back sides of shell are provided with sliding slot on left and right ends, sliding block is embedded in the inner chamber of sliding slot, sliding block extends into sliding slot and is equipped with base on inner side, and base is provided with clamping hole on the bottom of front and back sides, testing end is threadedly connected to the bottom of base, rubber ball is installed on the top of testing end on front and back sides, and the other end of rubber ball extends into the inner chamber of clamping hole.But, the following problems still exist in the tester:

[0004] The tester can drive the left and right ends of connecting seat to press the spring up and down by the cooperation between round rod, motor, turntable and support rod, but the tester cannot change the frequency of pressing the spring, and single frequency pressing spring can only reflect the performance of spring under specific conditions.

[0005] Therefore, the utility model designs a kind of switch spring life test machine to solve the above problems. UTILITY MODEL CONTENTS

[0006] In view of the above shortcomings of prior art, the utility model provides a kind of switch spring life test machine.

[0007] To achieve the above purpose, the utility model is realized by the following technical schemes:

[0008] A kind of switch spring life test machine, including workbench:

[0009] The workbench rear end is connected with the adjusting type pressing mechanism for pressing switch spring;Workbench front end is fixedly connected with control panel, indicator light, power switch, start switch and stop switch;Workbench upper end is fixedly connected with pressure plate for placing switch spring;

[0010] The adjustable pressing mechanism comprises an adjustable driving assembly, a connecting assembly and a pressing assembly, the adjustable driving assembly is connected at the rear end of the workbench and used to drive the connecting assembly and the pressing assembly to move up and down, the front end of the adjustable driving assembly is connected with the connecting assembly, the upper end of the connecting assembly is connected with the pressing assembly used to press the switch elastic sheet, the adjustable driving assembly is used to adjust the frequency of the pressing assembly pressing the switch elastic sheet, and the pressing assembly is located on the upper side of the workbench.

[0011] Further, the pressure bearing plate is made of wear-resistant steel plate.

[0012] Further, the adjustable driving assembly comprises a tool plate, a driving motor, a rotating disc, rotating shafts, protrusions and bolts, the tool plate is fixedly connected at the rear end of the workbench, the driving motor is fixedly connected at the upper end of the tool plate, the output end of the driving motor is fixedly connected with the rotating disc, the rear end of the rotating disc is fixedly connected with the rotating shafts, the rear end of each rotating shaft is rotatably connected with a protrusion, the protrusion corresponds to the rotating shaft, two tool grooves are arranged at the rear end of the protrusion, and the bolts are threadedly connected with the rotating disc through the protrusions.

[0013] Further, the rotating shafts are arranged in a uniform circumferential array.

[0014] Further, the tool grooves at the rear end of the protrusion are symmetrical about the corresponding rotating shaft.

[0015] Further, the connecting assembly comprises L-shaped plates, springs, slide rails, connecting plates and rollers, two slide rails are fixedly connected at the rear end of the workbench and symmetrical about the left and right sides, the front end of the L-shaped plate is fixedly connected with the sliding block of the slide rail, the upper end of the tool plate is fixedly connected with the springs, the upper end of the spring is fixedly connected with the lower end of the L-shaped plate, the rear end of the L-shaped plate is rotatably connected with the roller, the upper end of the roller is abutted against the side wall of the rotating disc, the front end of the L-shaped plate is fixedly connected with the connecting plate, and the lower end of the connecting plate is connected with the pressing assembly.

[0016] Further, the pressing assembly comprises sleeves, tool rods, tool blocks, counterweights and detachable test assemblies, the lower end of the connecting plate is fixedly connected with the sleeves arranged in a uniform linear array, the upper end of the sleeve passes through the connecting plate, the upper end of the sleeve is slidably connected with the tool rod, the side wall of the tool rod is fixedly connected with the tool block, the lower end of the tool block is abutted against the upper end of the sleeve, the upper end of the tool rod is slidably connected with the counterweights, and the lower end of the tool rod is connected with the detachable test assembly through the sleeve.

[0017] Further, the detachable test assembly comprises bolts, a first test head and a second test head, the first test head is fixedly connected with the lower end of the right tool rod through the bolts, and the second test head is fixedly connected with the lower end of the left tool rod through the bolts.

[0018] Compared with the prior art, the utility model discloses the beneficial effect is: when the switch spring piece is placed on the pressure -bearing plate upper end and is connected through the power switch, the pilot lamp is bright, and the starting switch is pressed to start the equipment, and the press -down assembly is driven to move up and down through the adjustment type drive component drive connecting assembly, and the press -down assembly is pressed switch spring piece with the pressure -bearing plate, and the service life of switch spring piece is obtained through the control panel counting and pressing frequency. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will be briefly introduced to the drawing needed to be used in the embodiment or prior art description.The drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creative labor.

[0020] Figure 1 It is a perspective view of the switch spring piece life test machine of the utility model Figure One ;

[0021] Figure 2 It is a front view of the switch spring piece life test machine of the utility model

[0022] Figure 3 It is a perspective view of the switch spring piece life test machine of the utility model Figure Two ;

[0023] Figure 4 It is the close -up view of A in Figure 3 ;

[0024] Figure 5 It is a perspective view of the switch spring piece life test machine of the utility model Figure Three ;

[0025] Figure 6 It is the close -up view of B in Figure 5 ;

[0026] Figure 7 It is a perspective view of the switch spring piece life test machine of the utility model Figure Four .

[0027] The reference signs in the drawing respectively represent:

[0028] 11, workbench; 12, control panel; 13, indicator light; 14, power switch; 15, start switch; 16, stop switch; 17, pressure plate; 2, adjustable pressing mechanism; 21, adjustable driving assembly; 211, tooling plate; 212, driving motor; 213, turntable; 214, shaft; 215, protrusion; 216, tooling groove; 217, bolt one; 22, connecting assembly; 221, L-shaped plate; 222, spring; 223, slide rail; 224, connecting plate; 225, roller; 23, pressing assembly; 231, sleeve; 232, tooling rod; 233, tooling block; 234, counterweight; 235, bolt two; 236, test head one; 237, test head two. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are 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 protection scope of the utility model.

[0030] In the following description, 'left', 'right', 'front', 'back', 'upper', 'lower' are oriented with the perspective of the front view.

[0031] Embodiment one: in some embodiments, please refer to the accompanying drawings of the specification Figures 1-7 A switch spring life test machine, comprising a workbench 11;

[0032] The workbench 11 is connected with an adjustable pressing mechanism 2 at the rear end for pressing the switch spring; the workbench 11 is fixedly connected with a control panel 12, an indicator light 13, a power switch 14, a start switch 15 and a stop switch 16 at the front end; the workbench 11 is fixedly connected with a pressure plate 17 for placing the switch spring at the upper end; the pressure plate 17 is made of wear-resistant material, such as steel plate;

[0033] The adjustable pressing mechanism 2 comprises an adjustable driving assembly 21, a connecting assembly 22 and a pressing assembly 23, the adjustable driving assembly 21 for driving the connecting assembly 22 and the pressing assembly 23 to move up and down is connected at the rear end of the workbench 11; the connecting assembly 22 is connected at the front end of the adjustable driving assembly 21; the connecting assembly 22 is connected with the pressing assembly 23 at the upper end for pressing the switch spring, the adjustable driving assembly 21 is used for adjusting the frequency of the pressing assembly 23 pressing the switch spring, and the pressing assembly 23 is located on the upper side of the workbench 11.

[0034] The utility model discloses a switch spring is placed on the pressure plate 17 upper end through the power switch 14 switch on power, the pilot lamp 13 is bright, and the starting switch 15 is pressed to start the equipment, and the adjustable drive assembly 21 drive connecting assembly 22 drive press assembly 23 moves up and down, and press assembly 23 cooperate pressure plate 17 press switch spring, and the press number is obtained through control panel 12 counting to obtain the service life of switch spring, and the frequency of press assembly 23 press switch spring is adjusted through adjustable drive assembly 21, and the fatigue law of switch spring under different press frequency and speed is studied, and the reasonable use frequency and maintenance cycle are determined according to test result, and the service life of switch spring is prolonged.

[0035] The adjustable drive assembly 21 includes a tool plate 211, a drive motor 212, a turntable 213, a shaft 214, a protrusion 215 and a bolt 217, the tool plate 211 is fixedly connected to the rear end of the workbench 11, the drive motor 212 is fixedly connected to the upper end of the tool plate 211, the output end of the drive motor 212 is fixedly connected with the turntable 213, the rear end of the turntable 213 is fixedly connected with a plurality of shafts 214 arranged in a uniform circumferential array, the rear end of each shaft 214 is rotatably connected with a protrusion 215, and the protrusion 215 corresponds to the shaft 214 one by one, two tool grooves 216 are arranged at the rear end of the protrusion 215, the tool grooves 216 at the rear end of the protrusion 215 are symmetrical about the corresponding shaft 214, and the bolt 217 is threadedly connected with the turntable 213 through the protrusion 215.

[0036] The connecting assembly 22 includes an L-shaped plate 221, a spring 222, a slide rail 223, a connecting plate 224 and a roller 225, the rear end of the workbench 11 is fixedly connected with two slide rails 223 which are symmetrical left and right, the front end of the L-shaped plate 221 is fixedly connected with the sliding block of the slide rail 223, a plurality of springs 222 are fixedly connected to the upper end of the tool plate 211, the upper end of the spring 222 is fixedly connected with the lower end of the L-shaped plate 221, the rear end of the L-shaped plate 221 is rotatably connected with the roller 225, the upper end of the roller 225 is abutted with the side wall of the turntable 213, the front end of the L-shaped plate 221 is fixedly connected with the connecting plate 224, and the connecting plate 224 is connected with the press assembly 23.

[0037] The utility model discloses a switch elastic sheet life test device, including the test head no. 236, the test head no. 237, the connecting plate 224, the L type board 221, the roller 225, the driving motor 212, the rotating disc 213, the lug 215 and the spring 222, the driving motor 212 is connected to the rotating disc 213, the rotating disc 213 is connected to the lug 215, the lug 215 is connected to the roller 225, the roller 225 is connected to the spring 222, the spring 222 is connected to the L type board 221, the L type board 221 is connected to the connecting plate 224, the connecting plate 224 is connected to the test head no. 236 and the test head no. 237.

[0038] The pressing assembly 23 includes a sleeve 231, a tool rod 232, a tool block 233, a counterweight block 234, a bolt 235, a test head 236 and a test head 237, the lower end of the connecting plate 224 is fixedly connected with a plurality of sleeves 231 arranged in uniform linear array, the upper end of the sleeve 231 passes through the connecting plate 224; the upper end of the sleeve 231 is slidably connected with the tool rod 232; the side wall of the tool rod 232 is fixedly connected with the tool block 233; the lower end of the tool block 233 abuts against the upper end of the sleeve 231; the upper end of the tool rod 232 is slidably connected with a plurality of counterweight blocks 234, and the lower end of the tool rod 232 passes through the sleeve 231; the test head 236 is fixedly connected with the lower end of the right tool rod 232 through the bolt 235, and the test head 237 is fixedly connected with the lower end of the left tool rod 232 through the bolt 235.

[0039] In the utility model, by increasing or reducing the number of counterweight blocks 234 on the upper end of the tool block 233 corresponding to the tool rod 232, the pressure on the switch elastic sheet is adjusted, the elastic deformation, recovery ability and durability of the elastic sheet under different forces are tested, and the like; the test head no. 236 and the test head no. 237 are used to press the switch elastic sheet, and the switch elastic sheets of different sizes are tested; the test head no. 236 and the test head no. 237 are fixed by the bolt 235, the test head no. 236 and the test head no. 237 are replaced, the test results of the switch elastic sheet are affected by the wear of the test head no. 236 or the test head no. 237.

[0040] The above examples are only used to illustrate the technical solutions of the present application, and are not intended to limit them; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that the technical solutions recorded in the foregoing examples can still be modified, or some technical features therein can be replaced by equivalents; and these modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A switch spring life testing machine comprising a worktable (11), characterized in that, It also comprises a control panel (12), an indicator light (13), a power switch (14), a start switch (15), a stop switch (16), a pressure plate (17) and an adjustable pressing mechanism (2). The rear end of the workbench (11) is connected with an adjustable pressing mechanism (2) for pressing the switch spring; the front end of the workbench (11) is fixedly connected with a control panel (12), an indicator light (13), a power switch (14), a start switch (15) and a stop switch (16); the upper end of the workbench (11) is fixedly connected with a pressure plate (17) for placing the switch spring. The adjustable pressing mechanism (2) comprises an adjustable driving assembly (21), a connecting assembly (22) and a pressing assembly (23), the adjustable driving assembly (21) for driving the connecting assembly (22) and the pressing assembly (23) to move up and down is connected to the rear end of the workbench (11); the front end of the adjustable driving assembly (21) is connected with the connecting assembly (22); the upper end of the connecting assembly (22) is connected with the pressing assembly (23) for pressing the switch spring, and the adjustable driving assembly (21) is used for adjusting the frequency of the pressing assembly (23) pressing the switch spring, and the pressing assembly (23) is located on the upper side of the workbench (11).

2. The switch pad life test machine of claim 1, wherein, The pressure plate (17) is made of wear-resistant steel plate.

3. The switch pad life test machine of claim 1, wherein, The adjustable driving assembly (21) comprises a tool plate (211), a driving motor (212), a rotating disc (213), a rotating shaft (214), a protruding block (215) and a bolt (217), the tool plate (211) is fixedly connected to the rear end of the workbench (11); the driving motor (212) is fixedly connected to the upper end of the tool plate (211); the output end of the driving motor (212) is fixedly connected with the rotating disc (213); the rear end of the rotating disc (213) is fixedly connected with a plurality of rotating shafts (214); the rear end of each rotating shaft (214) is rotatably connected with a protruding block (215), and the protruding block (215) corresponds to the rotating shaft (214); two tool grooves (216) are arranged at the rear end of the protruding block (215), and the bolt (217) is threadedly connected with the rotating disc (213) through the protruding block (215).

4. The switch washer life test machine of claim 3, wherein, The rotating shafts (214) are arranged in a uniform circumferential array.

5. The switch washer life test machine of claim 3, wherein, The tool grooves (216) at the rear end of the protruding block (215) are symmetrical about the corresponding rotating shaft (214).

6. The switch washer life test machine of claim 3, wherein, The connecting assembly (22) comprises an L-shaped plate (221), a spring (222), a sliding rail (223), a connecting plate (224) and a roller (225), two sliding rails (223) are fixedly connected to the rear end of the workbench (11) in left-right symmetry; the front end of the L-shaped plate (221) is fixedly connected with the sliding block of the sliding rail (223); a plurality of springs (222) are fixedly connected to the upper end of the tool plate (211); the upper end of the spring (222) is fixedly connected with the lower end of the L-shaped plate (221); the roller (225) is rotatably connected to the rear end of the L-shaped plate (221), and the upper end of the roller (225) abuts against the side wall of the rotating disc (213); the front end of the L-shaped plate (221) is fixedly connected with the connecting plate (224); and the lower end of the connecting plate (224) is connected with the pressing assembly (23).

7. The switch washer life test machine of claim 6, wherein, The pressing assembly (23) comprises a sleeve (231), a tool rod (232), a tool block (233), a counterweight (234) and a detachable test assembly, a plurality of sleeves (231) in uniform linear array are fixedly connected to the lower end of the connecting plate (224), and the upper end of the sleeve (231) penetrates through the connecting plate (224); the upper end of the sleeve (231) is slidably connected with the tool rod (232); the side wall of the tool rod (232) is fixedly connected with the tool block (233); the lower end of the tool block (233) abuts against the upper end of the sleeve (231); the upper end of the tool rod (232) is slidably connected with a plurality of counterweights (234), and the lower end of the tool rod (232) penetrates through the sleeve (231) and is connected with the detachable test assembly.

8. The switch washer life test machine of claim 7, wherein, The detachable test assembly comprises a bolt two (235), a test head one (236) and a test head two (237), the test head one (236) is fixedly connected with the lower end of the right tool rod (232) through the bolt two (235), and the test head two (237) is fixedly connected with the lower end of the left tool rod (232) through the bolt two (235).

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