CN218412707U - A test machine that is used for fender key conducting resin resistance to test - Google Patents

Abstract

The utility model discloses a test machine for test of fender key conducting resin resistance, concretely relates to conducting resin test technical field, including the test machine body, the internally mounted of test machine body has test circuit board, test circuit board's input electric connection has test subassembly and output electric connection has a plurality of to be used for showing the display screen of resistance, pushes down the handle through articulated and drives two articulated slats and move down, and articulated slat drives and pushes down pillar bottom position department and presses down, and it leads down to push down the extension board along the outer wall of two direction fulcrum columns and the outer wall of two screw bull sticks to push down the pillar drive, and it can push down the conducting resin to push down the extension board, and a plurality of display screen can demonstrate every keyboard conducting resin's resistance data, and the test can carry out batch detection to a plurality of key conducting resin in step like this, reaches synchronous detection operation, and the efficiency of detection is higher.

Description

A test machine that is used for fender key conducting resin resistance to test

Technical Field

The utility model relates to a conducting resin test technical field, more specifically say, the utility model relates to a test machine for test of fender key conducting resin resistance.

Background

The digital piano has more special functions of 'digital' than the traditional mechanical piano, and in China, the digital piano is also called as 'electric piano'. The digital piano replaces the analog technology with the digital technology (pulse code modulation technology), so that the vivid simulation of the traditional piano is realized, and the conductive adhesive is required to be used for conducting connection in the use process of the digital piano keyboard, so that a testing machine is required to be used for detecting whether the conductive adhesive is in a composite resistance standard or not.

Patent application publication No. CN210626565U discloses a conductive adhesive resistance testing device, which comprises a base, a telescopic arm and a horizontal telescopic rod, wherein the telescopic arm comprises an inner tube, an electric push rod and an outer tube, the horizontal telescopic rod is arranged on the outer tube, a circuit board is further arranged on the horizontal telescopic rod, the circuit board comprises a pressure sensor and a resistance testing block, a resistance tester is connected onto the circuit board, and a spring is sleeved on the inner tube; the utility model has the advantages that: set up horizontal telescoping rod on the outer tube of flexible arm, because the outer tube can stretch out and draw back along the inner tube outside under electric putter's effect, consequently horizontal telescoping rod can be along with the outer tube height in the vertical side of synchronous adjustment horizontal telescoping rod, in addition, the regulatory function that horizontal telescoping rod itself has makes horizontal telescoping rod adjust at the ascending length of horizontal direction to circuit board on the messenger horizontal telescoping rod is in the face of the product that different measurement height is low or length differs and convenient.

Through retrieving above-mentioned patent, can only carry out the test to a conducting resin one by one when carrying out resistance detection, like this at the test procedure, can't reach synchronous batch detection to the key conducting resin of different models, reduced detection efficiency by a wide margin.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides a test machine for test of fender key conducting resin resistance to propose in solving above-mentioned background art and can only carry out the test one by one to a conducting resin when carrying out resistance detection, like this in the test process, can't reach synchronous batch detection to the key conducting resin of different models, reduced detection efficiency's problem by a wide margin.

In order to achieve the above object, the utility model provides a following technical scheme: a testing machine for testing the resistance of conductive adhesive of piano keys comprises a testing machine body, wherein a testing circuit board is arranged in the testing machine body, the input end of the testing circuit board is electrically connected with a testing assembly, and the output end of the testing circuit board is electrically connected with a plurality of display screens for displaying the resistance;

the test assembly is including establishing the multiple spot position test contact plate at the test circuit board output, and the surface contact at the multiple spot position test contact plate has the key conducting resin, and the key conducting resin's upper surface is equipped with the extension board that pushes down that is used for pushing down, the top fixedly connected with who pushes down the extension board pushes down the pillar, all articulates in the both sides of pushing down the pillar has articulated slat, and articulated slat 7 one side is equipped with spill articulated support, and it has the articulated handle that pushes down that is used for the rotatory articulated at the inner wall of spill articulated support.

In a preferred embodiment, the pressing support plate is fixedly connected with the pressing support column, the cross-sectional shape of the bottom end of the pressing support column is rectangular, the key conductive adhesive is detachably connected with the multi-point testing contact plate, a group of metal sheets are symmetrically arranged on the surface of the multi-point testing contact plate, and the metal sheets are electrically connected with the testing circuit board.

In a preferred embodiment, an inclined positioning support plate is installed on one side of the display screen, the inclined positioning support plate is rotatably connected with the test machine body, the plurality of display screens are arranged in a four-by-four manner, two guide support shaft columns are arranged in the pressing support plate and located on one side of the pressing support plate, the guide support shaft columns are movably connected with the pressing support plate, a button for starting and stopping equipment is installed on one side of the test machine body, and the button is electrically connected with the test circuit board.

In a preferred embodiment, a guide frame is arranged on the upper surface of the multi-point testing contact plate and at a position outside the conductive adhesive of the key, a positioning assembly is embedded in one side of the guide frame and installed, the positioning assembly includes a plurality of gap insertion strips which are embedded in one side of the guide frame and sequentially arranged from left to right, a pushing support plate used for transverse pushing is fixed on one side of each gap insertion strip, a group of pushing cylinders fixedly installed on the surface of the body are symmetrically arranged at one end of each pushing support plate, a collar block is symmetrically and fixedly connected to the bottom of one end of each pushing support plate, a supporting shaft rod is sleeved on each collar block in a sliding mode, and the supporting shaft rod is fixedly connected to the telescopic end of each pushing cylinder.

In a preferred embodiment, two scale rulers are arranged on one side of the downward pressing support plate, a fastening bolt and a limiting support spiral ring are mounted on one side of each scale ruler, one end of the fastening bolt penetrates through the outer wall of the limiting support spiral ring and extends to the inside of the limiting support spiral ring, a threaded rotating rod is mounted on the inner wall of the limiting support spiral ring in a threaded mode, the top end of the threaded rotating rod penetrates through the bottom end of the downward pressing support plate and extends to the upper portion of the downward pressing support plate, and the fastening bolt is in threaded connection with the limiting support spiral ring.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a hinged push handle drives two articulated slats and moves down, the articulated slat drives and pushes down pillar bottom position department and presses down, it drives and pushes down the extension board and leads along the outer wall of two direction fulcrum posts and the outer wall of two screw thread bull sticks to move down to push down the pillar, it can push down the key conducting resin to push down the extension board, a plurality of display screen can demonstrate the resistance data of every keyboard conducting resin, can carry out batch detection to a plurality of key conducting resin like this, reach synchronous detection operation, the efficiency of detection is higher, and is faster;

2. the utility model discloses a locating component makes the key conducting resin enter along the inside direction of guide frame and carries out the marginalization location, and the promotion cylinder drives and promotes the extension board and move, promotes the extension board and drives clearance insert the strip and move, and clearance insert the strip and insert in the space between each of the protruding keyboard of key conducting resin, realizes carrying out the horizontal location support to each protruding position gap of keyboard, avoids the key conducting resin to take place the deformation dislocation when pushing down, and the test makes the accuracy higher, and stability is better;

3. the utility model discloses a scale mark through the scale ruler on can rotate spacing support spiro, spacing support spiro can carry out screw thread rotary motion at the screw bull stick, fastening bolt can play spacing fixed operation to spacing support spiro, spacing support spiro upper surface can play spacing effect to pushing down the extension board bottom, guarantee to push down the extension board and can't move down after moving down to the appointed depth, carry out accurate pushing down, guarantee to push down the same, the pressure value is the same in position, the accurate test that tests when testing each time; the utility model discloses the device can carry out batch detection to a plurality of key conducting resin in step, reaches synchronous detection operation, and then can effectively improve the accuracy nature of efficiency of software testing and test.

Drawings

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

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

fig. 3 is a schematic rear view of the present invention;

fig. 4 is a schematic view of the connection structure between the testing machine body and the testing component of the present invention;

fig. 5 is a schematic view of the connection structure between the pushing cylinder, the pushing support plate, the gap insertion strip, the support shaft lever and the sleeve ring block of the present invention;

fig. 6 is an enlarged schematic structural view of a portion a in fig. 3 according to the present invention;

fig. 7 is a schematic view of the test operation principle of the present invention.

The reference signs are: 1. a tester body; 2. testing the circuit board; 3. a multipoint test contact plate; 31. a metal sheet; 4. conductive glue for the keys; 5. pressing down the support plate; 6. pressing the support column; 7. hinging the lath; 8. a concave hinged support; 9. a hinged lower pressure handle; 10. a display screen; 11. inclining the positioning support plate; 12. a guide fulcrum post; 13. a button; 14. a guide frame; 15. a gap insertion strip; 16. pushing the support plate; 17. a push cylinder; 18. a collar block; 19. a support shaft; 20. a threaded rotating rod; 21. a limiting support spiral ring; 22. fastening a bolt; 23. a graduated scale.

Detailed Description

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.

The tester for testing the resistance of the conductive adhesive of the piano keys as shown in the attached drawings 1-7 comprises a tester body 1, wherein a test circuit board 2 is arranged in the tester body 1, and the input end of the test circuit board 2 is electrically connected with a test component and the output end of the test circuit board is electrically connected with a plurality of display screens 10 for displaying the resistance;

the test assembly is including establishing the multiple spot position test contact plate 3 at 2 outputs of test circuit board, the surface contact at multiple spot position test contact plate 3 has key conducting resin 4, and the upper surface of key conducting resin 4 is equipped with the extension board 5 that pushes down that is used for pushing down, the top fixedly connected with of extension board 5 pushes down pillar 6, it has articulated slat 7 all to articulate in the both sides of pillar 6 down, articulated slat 7 one side is equipped with spill articulated bracket 8, it has articulated handle 9 that pushes down that is used for rotatory to articulate at the inner wall of spill articulated bracket 8.

In some embodiments, as shown in fig. 1 to 4, the pressing support plate 5 is fixedly connected to the pressing support column 6, and the cross-sectional shape of the bottom end of the pressing support column 6 is set to be rectangular, so that the hinged slat 7 drives the bottom position of the pressing support column 6 to press downward, so that the rectangular bottom surface of the pressing support column 6 plays a better role in pressing downward, the key conductive adhesive 4 is detachably connected to the multi-point test contact plate 3, and a set of metal sheets 31 is symmetrically arranged on the surface of the multi-point test contact plate 3, the metal sheets 31 are electrically connected to the test circuit board 2, the key conductive adhesive 4 is made to communicate with the two metal sheets 31 by pressing the key conductive adhesive 4 through the pressing support plate 5, so that the internal circuit of the test circuit board 2 is conducted through the key conductive adhesive 4, so that the resistance of the test circuit board 2 on the key conductive adhesive 4 is measured, the key conductive adhesive 4 can be directly placed on the upper surface of the multi-point test contact plate 3 for testing, after the testing, the conductive adhesive 4 can be pulled upward, and the key conductive adhesive 4 is separated from the multi-point test 3.

In some embodiments, as shown in fig. 1, an inclined positioning support plate 11 is installed on one side of a display screen 10, the inclined positioning support plate 11 is rotatably connected with the testing machine body 1, a plurality of display screens 10 are arranged in a four-by-four manner, the display screen 10 is obliquely supported by the plurality of inclined positioning support plates 11, so that a person can conveniently check and observe the display screen, the display screen presents multi-point display in which four-by-four manner is achieved, and display data are conveniently read and recorded by the person, two guide support shaft columns 12 are arranged inside a pressing support plate 5 and at one side of a pressing support 6, the guide support shaft columns 12 are movably connected with the pressing support plate 5, so that the pressing support plate 5 can conveniently read and record the data along the outer walls of the two guide support shaft columns 12, the stable guiding and downward moving effect is achieved, a button 13 for starting and stopping the device is installed on one side of the testing machine body 1, the button 13 is electrically connected with the testing circuit board 2, so that the button 13 is pressed to electrify the testing circuit board 2 and the plurality of display screens 10 are electrified, and the testing circuit board 2 can be closed in a later stage.

In some embodiments, as shown in fig. 4 to 5, a guide frame 14 is disposed on an upper surface of the multi-point testing contact plate 3 and at a position outside the key conductive adhesive 4, so as to guide the key conductive adhesive 4 into the guide frame 14, a positioning assembly is mounted on one side of the guide frame 14 in an embedded manner, the positioning assembly includes a plurality of gap insertion strips 15 sequentially disposed from left to right on one side of the guide frame 14 in an embedded manner, a push support plate 16 for lateral pushing is fixed on one side of the gap insertion strips 15, a set of push cylinders 17 fixedly mounted on the surface of the testing machine body 1 is symmetrically disposed at one end of the push support plate 16, a collar block 18 is symmetrically and fixedly connected to the bottom of one end of the push support plate 16, a support shaft rod 19 is slidably sleeved on the collar block 18, the support shaft rod 19 is fixedly connected to a telescopic end of the push cylinder 17, the push support plate 16 is driven to move by activating the push cylinder 17, the collar block 18 moves along an outer wall of the support plate 19, the push support plate 16 drives the gap insertion strips 15 to move, and the gap insertion strips 15 can be inserted into gaps between the protrusions of the conductive adhesive 4 to prevent the key from being loosened and affecting the resistance measurement of the key 5.

In some embodiments, as shown in fig. 3 to 6, two graduated scales 23 are disposed on one side of the pressing support plate 5, and a fastening bolt 22 and a limiting support screw ring 21 are mounted on one side of each graduated scale 23, one end of the fastening bolt 22 penetrates through an outer wall of the limiting support screw ring 21 and extends into the limiting support screw ring 21, a threaded rotating rod 20 is mounted on an inner wall of the limiting support screw ring 21 in a threaded manner, the top end of the threaded rotating rod penetrates through a bottom end of the pressing support plate 5 and extends to a position above the pressing support plate 5, the fastening bolt 22 is in threaded connection with the limiting support screw ring 21, through a scale mark on the graduated scale 23, the limiting support screw ring 21 is rotated to drive the fastening bolt 22 to rotate, the threaded rotating rod moves downward, when the upper surface of the limiting support screw ring 21 moves to a specified height on the graduated scale 23, the fastening bolt 22 can be rotated to perform an extrusion operation, it is ensured that the pressing support plate 5 cannot move downward after moving to the specified depth, and the pressing depth and the magnitude of the pressing force can be accurately controlled.

The utility model discloses theory of operation: during limiting support, the limiting support spiral ring 21 can be rotated through scale marks on the scale ruler 23, the limiting support spiral ring 21 drives the fastening bolt 22 to rotate, so that the limiting support spiral ring 21 can rotate in a threaded manner on the threaded rotating rod 20 and move downwards under the action of threads, so that when the upper surface of the limiting support spiral ring 21 moves upwards to a specified numerical height on the scale ruler 23, the fastening bolt 22 can be rotated, the fastening bolt 22 is extruded to the inner position of the limiting support spiral ring 21 along the outer wall of the limiting support spiral ring 21 under the action of the threads, and the outer wall of the threaded rotating rod 20 can be extruded to realize extrusion fixing operation, so that the upper surface of the limiting support spiral ring 21 can play a limiting role on the bottom of the pressing support plate 5, the pressing support plate 5 cannot move downwards after moving downwards to a specified depth, the accurate control of the pressing depth and the size of the pressing force can be realized, and excessive pressing cannot be easily caused during each test; when the key conductive adhesive 4 is positioned, the key conductive adhesive 4 can be guided and placed along the interior of the guide frame 14, so that the bottom position of the key conductive adhesive 4 is attached to the upper surface position of the multi-point position test contact plate 3, the key conductive adhesive 4 can be quickly positioned and placed, the push cylinder 17 is started to drive the push support plate 16 to move, meanwhile, the push support plate 16 drives the collar block 18 to move along the outer wall of the support shaft rod 19, and the push support plate 16 drives the gap insertion strip 15 to move, so that the gap insertion strip 15 can be inserted into gaps among the raised keyboards of the key conductive adhesive 4, and the phenomenon that the conductive adhesive 4 deforms and deflects when pressed down, so that the key contact dislocation is caused, and the measurement data are influenced is avoided; when multiple points are pressed down, the button 13 can be pressed to electrify the test circuit board 2 and the display screens 10, the hinged pressing handle 9 can be rotated downwards, the hinged pressing handle 9 rotates downwards in the concave hinged support 8, meanwhile, the hinged pressing handle 9 drives the two hinged slats 7 to move downwards, the hinged slats 7 drive the bottom position of the pressing strut 6 to press downwards, the pressing strut 6 drives the pressing strut 5 to move downwards along the outer walls of the two guide fulcrum columns 12 and the outer walls of the two threaded rotating rods 20 in a guiding manner, the pressing strut 5 can press the conductive adhesive 4 downwards, the conductive adhesive 4 of the keys is tightly attached to the multiple-point test contact board 3 and can be electrified to operate through the test circuit board 2, the resistance values of the conductive adhesive 4 measured on the multiple-point test contact board 3 are input into the test circuit board 2, the conductive adhesive 4 of the keys is output into the display screens 10 through the test circuit board 2, the display screens 10 can display the resistance data of each key 4 and can be directly viewed on the display screen 10, the display screens 10 can be conveniently viewed by a plurality of inclined positioning support boards 11, and people can observe inclination and position the inclined support boards 11.

The details which are not described in the specification belong to the prior art which is well known to those skilled in the art, and the model parameters of each electrical appliance are not specifically limited and can be determined by using conventional equipment.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. The utility model provides a test machine for test of fender key conducting resin resistance, includes test machine body (1), the internally mounted of test machine body (1) has test circuit board (2), its characterized in that: the input end of the test circuit board (2) is electrically connected with a test component, and the output end of the test circuit board is electrically connected with a plurality of display screens (10) for displaying resistance values;

the test assembly is including establishing multi-point position test contact board (3) at test circuit board (2) output, and the upper surface contact of multi-point position test contact board (3) has key conducting resin (4), and the upper surface of key conducting resin (4) is equipped with and is used for pushing down extension board (5), the top fixedly connected with who pushes down extension board (5) pushes down pillar (6), and the both sides of pushing down pillar (6) all articulate there is articulated slat (7), and articulated slat (7) top one side is equipped with spill articulated support (8), and the inner wall of spill articulated support (8) articulates there is articulated handle (9) that pushes down that is used for the rotation.

2. The testing machine for the resistance value test of the piano key conductive adhesive according to claim 1, wherein: the pressing support plate (5) is fixedly connected with the pressing support column (6), and the cross section of the bottom end of the pressing support column (6) is rectangular.

3. The testing machine for the resistance value test of the piano key conductive adhesive according to claim 1, wherein: the key conducting resin (4) is detachably connected with the multi-point testing contact plate (3), a group of metal sheets (31) are symmetrically arranged on the surface of the multi-point testing contact plate (3), and the metal sheets (31) are electrically connected with the testing circuit board (2).

4. The testing machine for the resistance value test of the piano key conductive adhesive according to claim 1, wherein: an inclined positioning support plate (11) is installed on one side of the display screens (10), the inclined positioning support plate (11) is rotatably connected with the testing machine body (1), and the display screens (10) are arranged in a four-by-four manner.

5. The testing machine for the resistance value test of the piano key conductive adhesive according to claim 1, wherein: two guide supporting shaft columns (12) are arranged in the pressing supporting plate (5) and at one side of the pressing supporting column (6), and the guide supporting shaft columns (12) are movably connected with the pressing supporting plate (5).

6. The testing machine for the resistance test of the conductive adhesive of the electric piano key according to claim 1, characterized in that: a button (13) for starting and stopping equipment is installed on one side of the testing machine body (1), and the button (13) is electrically connected with the testing circuit board (2).

7. The testing machine for the resistance value test of the piano key conductive adhesive according to claim 1, wherein: the key conductive adhesive testing machine is characterized in that a guide frame (14) is arranged on the upper surface of the multipoint position testing contact plate (3) and located at the outer position of the key conductive adhesive (4), a positioning assembly is embedded into one side of the guide frame (14), the positioning assembly comprises a plurality of gap insertion strips (15) which are embedded into one side of the guide frame (14) and sequentially arranged from left to right, a pushing support plate (16) used for transverse pushing is fixed to one side of each gap insertion strip (15), a group of pushing cylinders (17) fixedly installed on the surface of the testing machine body (1) is symmetrically arranged at one end of each pushing support plate (16), a collar block (18) is symmetrically and fixedly connected to the bottom of one end of each pushing support plate (16), a supporting shaft rod (19) is sleeved on the collar block (18) in a sliding mode, and the supporting shaft rod (19) is fixedly connected to the telescopic end of each pushing cylinder (17).

8. The testing machine for the resistance test of the conductive paste for the keys of the electric piano according to any one of claims 1 to 7, wherein: one side of the downward pressing support plate (5) is provided with two scale scales (23), one side of each scale (23) is provided with a fastening bolt (22) and a limiting support spiral ring (21), one end of each fastening bolt (22) penetrates through the limiting support spiral ring (21) and extends to the inside of the limiting support spiral ring (21), and a threaded rotating rod (20) is installed on the inner wall of the limiting support spiral ring (21) in a threaded mode, wherein the top end of the threaded rotating rod penetrates through the bottom end of the downward pressing support plate (5) and extends to the upper portion of the downward pressing support plate (5).

9. The testing machine for the resistance value test of the piano key conductive adhesive according to claim 8, wherein: the fastening bolt (22) is in threaded connection with the limiting support spiral ring (21).

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