CN213023333U

CN213023333U - Resistivity testing device for diaphragm

Info

Publication number: CN213023333U
Application number: CN202020987613.XU
Authority: CN
Inventors: 武强
Original assignee: Yancheng Dongfu Electronic Technology Co ltd
Current assignee: Yancheng Dongfu Electronic Technology Co ltd
Priority date: 2020-06-03
Filing date: 2020-06-03
Publication date: 2021-04-20
Anticipated expiration: 2030-06-03

Abstract

The utility model discloses a resistivity testing device for a diaphragm, which comprises a base, a display screen is arranged above the front surface of the base, a control button is arranged below the front surface of the base, a singlechip is arranged at the center of the back surface of the base, a sliding mechanism is arranged at four corners of the top part of the base, a test bench is arranged at the top part of the sliding mechanism, a lower electrode is arranged at the center of the bottom part of the test bench, a pressure sensor is fixedly connected with the bottom part of the lower electrode, and the bottom part of the pressure sensor is connected with the top part of the base, the utility model presses a first clamp plate to ensure that the first clamp plate rotates downwards on a second clamp plate through a pin shaft and compresses a reset spring, when the diaphragm is arranged below a rubber block, the first clamp plate is loosened, the reset spring ensures that the first clamp plate resets to drive the rubber block to be attached to the diaphragm, so, affecting the testing process of the device.

Description

Resistivity testing device for diaphragm

Technical Field

The utility model relates to a diaphragm test equipment technical field specifically is a resistivity testing arrangement for diaphragm.

Background

The application of the diaphragm is very extensive and is demanded in more and more fields, the diaphragm has certain conductivity, although the conductivity is not as traditional metal conductor, but as a non-metal conductor, so the diaphragm has attracted extensive attention, and some devices are appeared to test the resistivity of the diaphragm, but the existing devices still have certain problems, and the specific problems are as follows:

the traditional device can not press and fix the diaphragm when testing the diaphragm, thereby causing the diaphragm to slide and influencing the testing efficiency of the device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a resistivity testing arrangement for diaphragm to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a resistivity testing device for a diaphragm comprises a base, a display screen is installed above the front face of the base, a control button is arranged below the front face of the base, a single chip microcomputer is installed at the center of the back face of the base, sliding mechanisms are installed at four corners of the top of the base, a test bench is installed at the top of each sliding mechanism, a lower electrode is installed at the center of the bottom of the test bench, a pressure sensor is fixedly connected to the bottom of the lower electrode, the bottom of the pressure sensor is connected with the top of the base, a lifting mechanism is installed at the top of the test bench, a connecting plate is installed between the lifting mechanisms, an upper electrode is installed at the center of the bottom of the connecting plate, a slide groove is formed in an inner cavity of the test bench below the upper electrode, and a slide block is installed inside the, the one end spiro union that the spout was kept away from to the slider has the bolt, and the bolt stretches into the inner chamber of spout, press mechanism is installed at the top of slider, pressure sensor's output passes through the input electric connection of wire and singlechip, the output of singlechip passes through the input electric connection of wire and display screen.

Preferably, the lifting mechanism comprises a threaded screw rod, a first gear, a transmission rod, a mounting seat, a second gear, a servo motor, a third gear, a driving block and a fourth gear, the threaded screw rod of the lifting mechanism is positioned at the left end and the right end of the top of the test board, the driving block is sleeved on the outer wall of the threaded screw rod and connected with the left end and the right end of the connecting plate, the mounting seat is transversely mounted at the top of the threaded screw rod, the servo motor is mounted at the center of the top of the mounting seat, the power output end of the servo motor penetrates through the top of the mounting seat through a rotating shaft and is mounted with the third gear, the second gear is meshed at the left end and the right end of the third gear, the transmission rod is mounted at one end of the second gear far away from the third gear through a bearing, the first gear is sleeved on the outer wall of the transmission rod, and the, and the bottom of the fourth gear is connected with the top of the threaded screw rod, and the output end of the single chip microcomputer is electrically connected with the input end of the servo motor through a wire.

Based on the technical characteristics, the servo motor drives the third gear to rotate through the rotating shaft, the third gear drives the second gear to rotate, the second gear rotates to drive the transmission rod and the first gear to rotate, the first gear rotates to drive the fourth gear to rotate, and the fourth gear rotates to drive the threaded lead screw to rotate, so that the driving block can move up and down, and the position of the upper electrode can be conveniently adjusted.

Preferably, the four corners of the bottom of the base are provided with suckers.

Based on the technical characteristics, the sucker enables the device to be more stable when in contact with a desktop, the stability of the device during testing is improved, and the device is prevented from being touched by external force.

Preferably, slide mechanism is including reserving chamber, slide rail, fly leaf, draw runner, montant, positioning spring and fixing base, slide mechanism's fixing base is located four corners at base top, the slide rail has been seted up to the symmetry on the left and right sides wall of fixing base inner chamber, the inside slidable mounting of slide rail has the draw runner, be fixed with the fly leaf between the draw runner, the top of fly leaf is fixed with reserves the chamber, and reserves the top in chamber and is connected with the bottom of testboard, the vertical montant of installing of center department of fixing base inner chamber, and the top of montant passes the fly leaf and stretch into the inner chamber of reserving the chamber, the outer wall cover of montant is equipped with positioning spring, and positioning spring is located between the bottom of fly leaf and fixing base.

Based on the technical characteristics, the reserved cavity presses the movable plate downwards, so that the movable plate presses the positioning spring downwards on the slide rail through the slide bar, and the position of the test board is finely adjusted conveniently during testing.

Preferably, a graduated scale is fixed on the threaded screw rod, close to the right end, of the top of the test board, and a pointer is installed at one end, close to the vertical center line of the graduated scale, of the driving block at the right end.

Based on the technical characteristics, the moving distance of the upper electrode is convenient to record, and the testing accuracy of the device is improved.

Preferably, pressing means includes reset spring, first splint, round pin axle, second splint and block rubber, pressing means's reset spring is located the top of slider, reset spring's top articulates through the round pin axle has first splint, the block rubber is installed to the one end that first splint bottom is close to testboard vertical center line, the one end that first splint bottom is close to the screw lead screw is connected with reset spring, and reset spring's bottom is connected with the top of second splint.

Based on above-mentioned technical characteristics, press first splint for first splint drive first splint through the round pin axle and rotate, put the diaphragm in the rubber block below, loosen first splint, make the rubber block reset fast under reset spring's effect and press the diaphragm is fixed, are convenient for press the diaphragm is fixed when the test.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the first clamping plate is pressed to enable the first clamping plate to rotate downwards on the second clamping plate through a pin shaft and compress a return spring, when the diaphragm is placed below the rubber block, the first clamping plate is loosened, the return spring enables the first clamping plate to reset to drive the rubber block to be attached to the diaphragm, the diaphragm can be fixed during testing, and the influence on the testing process of the device due to the sliding condition is avoided;

(2) set for pressure sensor's pressure size, servo motor drives third gear through the pivot and rotates, third gear rotates and drives second gear, second gear rotates and drives transfer line and first gear rotation simultaneously, first gear rotates and drives screw lead screw and rotates, make the drive block reciprocate at screw lead screw outer wall, be convenient for adjust the position of drive block, make the drive block drive the electrode and exert a predetermined power perpendicularly downwards, the drive block is at the in-process of removing through the directional scale of pointer and read the scale mark, to the distance record of removal, the repetition goes on many times, be convenient for improve the accuracy of test, the difference of avoiding exerting pressure leads to the test result difference big.

Description of the drawings:

in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic side view of the present invention;

fig. 3 is a schematic structural diagram of fig. 1A of the present invention.

In the figure: 1. a lifting mechanism; 101. a threaded lead screw; 102. a first gear; 103. a transmission rod; 104. a mounting seat; 105. a second gear; 106. a servo motor; 107. a third gear; 108. a drive block; 109. a fourth gear; 2. a graduated scale; 3. a slider; 4. a chute; 5. a sliding mechanism; 501. reserving a cavity; 502. a slide rail; 503. a movable plate; 504. a slide bar; 505. a vertical rod; 506. a positioning spring; 507. a fixed seat; 6. a base; 7. a control button; 8. a display screen; 9. a pressure sensor; 10. a lower electrode; 11. a suction cup; 12. a test bench; 13. an upper electrode; 14. a connecting plate; 15. a bolt; 16. a single chip microcomputer; 17. a pressing mechanism; 1701. a return spring; 1702. a first splint; 1703. a pin shaft; 1704. a second splint; 1705. a rubber block; 18. a pointer.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides an embodiment: a resistivity testing device for a diaphragm comprises a base 6, a display screen 8 is installed above the front face of the base 6, suckers 11 are installed at four corners of the bottom of the base 6, control buttons 7 are arranged below the front face of the base 6, a single chip microcomputer 16 is installed at the center of the back face of the base 6, sliding mechanisms 5 are installed at four corners of the top of the base 6, a test board 12 is installed at the top of each sliding mechanism 5, each sliding mechanism 5 comprises a reserved cavity 501, a sliding rail 502, a movable plate 503, sliding strips 504, vertical rods 505, positioning springs 506 and a fixed seat 507, fixed seats 507 of the sliding mechanisms 5 are located at four corners of the top of the base 6, sliding rails 502 are symmetrically arranged on the left side wall and the right side wall of an inner cavity of the fixed seat 507, sliding strips 504 are installed inside the sliding rails 502 in a sliding mode, the movable plates 503 are fixed between the sliding strips 504, the top of the reserved cavity 501 is connected with the bottom of the test bench 12, a vertical rod 505 is vertically installed at the center of the inner cavity of the fixed seat 507, the top of the vertical rod 505 penetrates through the movable plate 503 and extends into the inner cavity of the reserved cavity 501, a positioning spring 506 is sleeved on the outer wall of the vertical rod 505, the positioning spring 506 is located between the movable plate 503 and the bottom of the inner cavity of the fixed seat 507, a lower electrode 10 is installed at the center of the bottom of the test bench 12, the bottom of the lower electrode 10 is fixedly connected with a pressure sensor 9, the bottom of the pressure sensor 9 is connected with the top of the base 6, a lifting mechanism 1 is installed at the top of the test bench 12, the lifting mechanism 1 comprises a threaded lead screw 101, a first gear 102, a transmission rod 103, a mounting seat 104, a second gear 105, a servo motor 106, a third gear 107, a driving block 108 and a fourth, the outer wall of the threaded screw rod 101 is sleeved with a driving block 108, the driving block 108 is connected with the left end and the right end of the connecting plate 14, the top of the threaded screw rod 101 is transversely provided with an installation seat 104, the center of the top of the installation seat 104 is provided with a servo motor 106, the power output end of the servo motor 106 penetrates through the top of the installation seat 104 through a rotating shaft and is provided with a third gear 107, the left end and the right end of the third gear 107 are meshed with a second gear 105, one end, far away from the third gear 107, of the second gear 105 is provided with a transmission rod 103 through a bearing, the outer wall of the transmission rod 103 is sleeved with a first gear 102, the lower part of the first gear 102 is meshed with a fourth gear 109, the bottom of the fourth gear 109 is connected with the top of the threaded screw rod 101, the output end of the single chip microcomputer 16 is electrically connected with the input end of the servo, a pointer 18 is arranged at one end, close to the vertical central line of the graduated scale 2, of a driving block 108 at the right end, a connecting plate 14 is arranged between lifting mechanisms 1, an upper electrode 13 is arranged at the center of the bottom of the connecting plate 14, a sliding groove 4 is formed in an inner cavity of a test platform 12 below the upper electrode 13, a sliding block 3 is slidably arranged in the sliding groove 4, a bolt 15 is screwed at one end, far away from the sliding groove 4, of the sliding block 3, the bolt 15 extends into the inner cavity of the sliding groove 4, a pressing mechanism 17 is arranged at the top of the sliding block 3, the pressing mechanism 17 comprises a return spring 1701, a first clamping plate 1702, a pin 1703, a second clamping plate 1704 and a rubber block 1705, the return spring 1701 of the pressing mechanism 17 is positioned at the top of the sliding block 3, the top of the return spring 1701 is hinged with the first clamping plate 1702 through the pin 1703, the rubber block 1705 is arranged, and the bottom of reset spring 1701 is connected with the top of second splint 1704, and pressure sensor 9's output passes through the wire and is connected with the input electric of singlechip 16, and singlechip 16's output passes through the wire and is connected with the input electric of display screen 8, and servo motor 106's model can be MS0040A, and pressure sensor 9's model can be CYYZ11, and singlechip 16's model can be HT66F 018.

The working principle is as follows: when the device is used, an external power supply is used for pressing the first clamping plate 1702, the first clamping plate 1702 rotates at the top of the second clamping plate 1704 through the pin 1703, the return spring 1701 is compressed at the moment, a membrane to be tested is placed below the rubber block 1705, after the placement is finished, the first clamping plate 1702 is loosened, the elastic force of the return spring 1701 enables the first clamping plate 1702 to be quickly reset so that the rubber block 1705 is attached to the upper surface of the membrane to be convenient for pressing and fixing the membrane, the situation that the membrane is displaced during testing is avoided, the pressure of the pressure sensor 9 is set through the control button 7, the pressure sensor 9 enables the data value singlechip 16, the singlechip 16 displays the data through the display screen 8, the servo motor 106 drives the third gear 107 to rotate through the rotating shaft, the third gear 107 rotates to drive the second gear 105 to rotate, the second gear 105 rotates to drive the first gear 102 and the transmission rod 103 to rotate, therefore, the fourth gear 109 rotates to drive the threaded screw rod 101 to rotate, the position of the driving block 108 is convenient to adjust, the driving block 108 drives the upper electrode 13 to vertically downwards apply a preset pressure to the diaphragm above the test board 12, the driving block 108 drives the pointer 18 to point to the scale 2 in the downwards moving process, scale marks are read, the moving distance is recorded and repeatedly performed, the test accuracy of the device is improved, and the test result is prevented from being influenced by different applied forces.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A resistivity testing device for membranes, comprising a base (6), characterized in that: the testing device is characterized in that a display screen (8) is installed above the front surface of the base (6), a control button (7) is arranged below the front surface of the base (6), a single chip microcomputer (16) is installed at the center of the back surface of the base (6), sliding mechanisms (5) are installed at four corners of the top of the base (6), a testing table (12) is installed at the top of each sliding mechanism (5), a lower electrode (10) is installed at the center of the bottom of the testing table (12), a pressure sensor (9) is fixedly connected to the bottom of each lower electrode (10), the bottom of each pressure sensor (9) is connected with the top of the base (6), a lifting mechanism (1) is installed at the top of the testing table (12), a connecting plate (14) is installed between the lifting mechanisms (1), an upper electrode (13) is installed at the center of the bottom of the connecting plate (14), and a sliding groove (4) is formed in, the utility model discloses a pressure sensor, including spout (4), the inside slidable mounting of spout (4) has slider (3), the one end spiro union that spout (4) were kept away from in slider (3) has bolt (15), and bolt (15) stretch into the inner chamber of spout (4), pressing means (17) are installed at the top of slider (3), the output of pressure sensor (9) passes through the input electric connection of wire and singlechip (16), the input electric connection of wire and display screen (8) is passed through to the output of singlechip (16).

2. The resistivity testing device for the membrane according to claim 1, wherein: the lifting mechanism (1) comprises a threaded screw rod (101), a first gear (102), a transmission rod (103), a mounting seat (104), a second gear (105), a servo motor (106), a third gear (107), a driving block (108) and a fourth gear (109), the threaded screw rod (101) of the lifting mechanism (1) is located at the left end and the right end of the top of the test platform (12), the driving block (108) is sleeved on the outer wall of the threaded screw rod (101), the driving block (108) is connected with the left end and the right end of the connecting plate (14), the mounting seat (104) is transversely installed at the top of the threaded screw rod (101), the servo motor (106) is installed at the center of the top of the mounting seat (104), the power output end of the servo motor (106) penetrates through a rotating shaft to penetrate through the top of the mounting seat (104) to be installed with the third gear (107), the second gear (105) is meshed with the left end and the right end of the, one end, far away from the third gear (107), of the second gear (105) is provided with a transmission rod (103) through a bearing, the outer wall of the transmission rod (103) is sleeved with the first gear (102), a fourth gear (109) is meshed below the first gear (102), the bottom of the fourth gear (109) is connected with the top of the threaded screw rod (101), and the output end of the single chip microcomputer (16) is electrically connected with the input end of the servo motor (106) through a lead wire.

3. The resistivity testing device for the membrane according to claim 1, wherein: sucking discs (11) are installed at four corners of the bottom of the base (6).

4. The resistivity testing device for the membrane according to claim 1, wherein: the sliding mechanism (5) comprises a reserved cavity (501), a sliding rail (502), a movable plate (503), a sliding strip (504), a vertical rod (505), a positioning spring (506) and a fixed seat (507), wherein the fixed seat (507) of the sliding mechanism (5) is positioned at four corners of the top of a base (6), the sliding rail (502) is symmetrically arranged on the left side wall and the right side wall of the inner cavity of the fixed seat (507), the sliding strip (504) is slidably arranged inside the sliding rail (502), the movable plate (503) is fixed between the sliding strips (504), the reserved cavity (501) is fixed at the top of the movable plate (503), the top of the reserved cavity (501) is connected with the bottom of a test bench (12), the vertical rod (505) is vertically arranged at the center of the inner cavity of the fixed seat (507), the top of the vertical rod (505) penetrates through the movable plate (503) to extend into the inner cavity of the reserved cavity (501), and the positioning spring, and the positioning spring (506) is positioned between the movable plate (503) and the bottom of the inner cavity of the fixed seat (507).

5. The resistivity testing device for the membrane according to claim 1, wherein: the thread screw rod (101) at the top of the test bench (12) close to the right end is fixed with a graduated scale (2), and one end of a driving block (108) at the right end close to the vertical center line of the graduated scale (2) is provided with a pointer (18).

6. The resistivity testing device for the membrane according to claim 1, wherein: pressing means (17) include reset spring (1701), first splint (1702), round pin axle (1703), second splint (1704) and rubber piece (1705), reset spring (1701) of pressing means (17) are located the top of slider (3), the top of reset spring (1701) articulates through round pin axle (1703) has first splint (1702), rubber piece (1705) are installed to the one end that first splint (1702) bottom is close to testboard (12) vertical center line, the one end that first splint (1702) bottom is close to screw lead screw (101) is connected with reset spring (1701), and the bottom of reset spring (1701) is connected with the top of second splint (1704).