Surface contact type electrostatic potential testing device
Technical Field
The utility model relates to the technical field of static electricity testing, in particular to a surface contact type static electricity potential testing device.
Background
The surface contact electrostatic potential testing device may also be referred to as a triboelectric electrostatic potential testing device, and is used under laboratory conditions to assess the electrostatic properties of fabrics or yarns and other materials after being charged in a triboelectric format.
The surface contact type electrostatic potential testing device mainly comprises components such as a sample mounting turntable, a friction cloth mounting frame, a measuring motor and the like, when the surface contact type electrostatic potential testing device is used, a sample is firstly fixed on the sample mounting turntable, a rear hand-held gauge block is placed between a measuring electrode and the sample, the measuring electrode is manually adjusted to keep a proper testing distance from the sample, the friction cloth is lifted to generate surface contact with the sample mounting turntable, and then the testing device is started for testing.
Because the current interval adjustment between the measuring electrode and the sample is manual adjustment, the interval adjustment is needed by means of the gauge block, the adjustment precision is poor, the operation is complex, and time and labor are wasted.
Disclosure of utility model
In order to overcome the defects in the prior art, the utility model provides a surface contact type electrostatic potential testing device.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a face contact electrostatic potential testing arrangement, includes the host computer and sets up the sample installation carousel on the host computer, be located sample installation carousel axis left part on the host computer and set up installation adjustment actuating mechanism for drive measurement electrode and remove the adjustment, be located adjustment actuating mechanism upper position setting installation position mechanism on the host computer for detect sample position data.
Further, the measuring electrode is fixedly arranged on the adjusting driving mechanism, the axis of the measuring electrode is vertical to the sample mounting turntable, and the axis of the measuring electrode is positioned on the same horizontal plane.
Further, the adjustment driving mechanism comprises a guide rail fixedly mounted on the host machine, a rotatable mounting screw rod is arranged in a screw rod groove formed in the guide rail, the screw rod is in transmission connection with a power output end of the speed reducer, the speed reducer is fixedly mounted on a motor shell, the speed reducer is in transmission connection with the motor, the motor is fixedly mounted on the guide rail, a threaded sliding block is mounted in the screw rod groove in a sliding fit manner, the threaded sliding block is mounted on the screw rod in a matching manner, and a measuring electrode is fixedly mounted on the threaded sliding block.
Further, the position finding mechanism includes the electric telescopic handle of fixed mounting on the host computer, electric telescopic handle telescopic end fixed mounting fixing base, fixing base upper portion outer wall fixed mounting servo motor, rotatable coaxial arrangement pivot on the fixing base, fixed mounting passive pulley in the pivot, passive pulley passes through the hold-in range and is connected with fixed mounting in servo motor power take off epaxial driving pulley transmission, fixed mounting bull stick in the pivot, fixed mounting contact sensor on the bull stick.
Further, the contact sensor is coaxial with the measuring electrode when the rotating rod is downward.
Further, the fixed seat is fixedly provided with a displacement sensor pull wire end, and the displacement sensor is fixedly arranged on the host.
Further, an operation table is provided at the front end of the main body.
The beneficial effects of the utility model are as follows:
According to the utility model, the measuring electrode is arranged on the adjusting driving mechanism through the design of the adjusting driving mechanism and the positioning mechanism, the position of the sample is measured through the positioning mechanism, then the data measured by the positioning mechanism is transmitted to the host for data processing, and the host sends an adjusting moving signal to enable the adjusting driving mechanism to drive the measuring electrode to move to a position with a proper distance from the sample, so that the distance between the measuring electrode and the sample can be adjusted, the whole distance adjustment process between the measuring electrode and the sample is automatically carried out, time and labor are saved, and the improvement of the adjustment precision is facilitated.
Drawings
The utility model will be further described with reference to the drawings and examples.
FIG. 1 is a front elevational view of the overall structure of the present utility model;
FIG. 2 is a front view of the overall structure of the adjustment drive mechanism of the present utility model;
Figure 3 is a front view of the overall structure of the positioning mechanism of the present utility model.
Detailed Description
In order to more clearly illustrate the technical solution of the present utility model, it is obvious that the following description of the present utility model is provided by way of example only, and it is within the scope of the present utility model to one skilled in the art to obtain other embodiments according to the present utility model without inventive effort.
As shown in fig. 1, the utility model comprises a host machine 2, an operation table 1 arranged at the front end part of the host machine 2 and a sample installation rotary table 3 arranged on the host machine 2, wherein an installation adjustment driving mechanism is arranged at the left side part of the axis of the sample installation rotary table 3 on the host machine 2 and used for driving a measuring electrode 4 to move and adjust, and an installation positioning mechanism is arranged at the upper part of the adjustment driving mechanism on the host machine 2 and used for detecting sample position data.
As shown in fig. 1 and 2, the adjusting driving mechanism comprises a guide rail 5 fixedly installed on the host machine 2 through a bolt, an installation screw rod 7 is arranged in a screw groove 6 arranged on the guide rail 5 through a bearing and a screw rod seat, the screw rod 7 is rigidly connected to a power output end of a speed reducer 9 through a coupler, the speed reducer 9 is rigidly installed on a motor 10 shell through a speed reducer support, a power input end of the speed reducer 9 is rigidly connected to a power output shaft of the motor 10, the motor 10 is rigidly installed on the outer side wall of the guide rail 5 through a motor support, a threaded sliding block 8 is installed in the screw groove 6 in a sliding fit manner, the threaded sliding block 8 is installed on the screw rod 7 in a matching manner, and a measuring electrode 4 is rigidly installed on the threaded sliding block 8 through a bolt, the axis of the measuring electrode 4 is perpendicular to the sample installation turntable 3 and the axis is located on the same horizontal plane.
As shown in fig. 1 and 3, the positioning mechanism comprises an electric telescopic rod 11 which is transversely and fixedly arranged on a host machine 2 through a mounting bracket, a fixing seat 12 is fixedly arranged at the telescopic end of the electric telescopic rod 11 through a mounting bolt, a servo motor 13 is fixedly arranged on a mounting table arranged on the outer wall of the upper part of the fixing seat 12 through a motor bracket and a bolt, a rotating shaft 17 is arranged on the fixing seat 12 through bearing fit, a driven pulley 16 is fixedly arranged on the rotating shaft 17, the driven pulley 16 is in transmission connection with a driving pulley 14 fixedly arranged on a power output shaft of the servo motor 13 through a synchronous belt 15, a rotating rod 18 is fixedly arranged on the rotating shaft 17 through a bolt, a contact sensor 19 is fixedly arranged on the rotating rod 18, so that the fixing seat 12, the rotating shaft 17 and the rotating rod 18 are driven to transversely move through the mounting bolt, and further, the contact sensor 19 can be transversely moved, the contact sensor 19 can be contacted with a sample on the sample mounting turntable 3, simultaneously, the driving pulley 16 is driven to rotate through the synchronous belt 15 under the driving of the servo motor 13, thereby driving pulley 17 is driven to rotate through the rotating shaft 15, and the rotating rod 18 is driven to rotate towards the rotating shaft 19, and the rotating rod 19 is required to be in contact with the sensor 19, and the sensor 19 is in contact with the sensor 19 when the sensor is required to be in contact with the sensor 19, and the sensor 19 is in contact with the sample, and the sensor 19 is in contact with the measuring electrode, and the sensor 19 when the sensor is in contact with the measuring position sensor is in the coaxial sensor and the measuring position.
As shown in fig. 1 and 3, in order to achieve accurate measurement of the sample position, a pull wire end of the displacement sensor 20 is fixedly mounted on the fixing base 12, the displacement sensor 20 is fixedly mounted on the host 2, and when the electric telescopic rod 11 drives the fixing base 12 to move and then drives the contact sensor 19 to be aligned with the sample, the displacement sensor 20 can accurately measure the moving distance of the fixing base 12, so as to determine the sample position.
When the utility model is used, a sample is arranged on the sample mounting turntable 3, the sample mounting turntable 3 is manually shifted to a position where the sample faces the measuring electrode 4, the rear servo motor 13 drives the driving belt pulley 14 to drive the driven belt pulley 16 to rotate through the synchronous belt 15, thereby driving the rotating shaft 17 to shift and drive the rotating rod 18 to shift downwards, the contact sensor 19 shifts to align the sample, the rear electric telescopic rod 11 stretches out of the driving fixed seat 12, the rotating shaft 17 and the rotating rod 18 to transversely move so as to realize the transverse movement of the contact sensor 19 and contact with the sample, when the contact sensor 19 contacts with the sample, the contact sensor 19 sends a contact signal, the electric telescopic rod 11 stops stretching out, the displacement sensor 20 measures the movement stroke of the fixed seat 12 and records the coordinate value when the fixed seat 12 stops moving, the specific position of the sample is obtained after calculation by the host computer 2, the rear rotating rod 18 shifts to an upward vertical position so as to prevent adjustment and test of the interference measuring electrode 4, the host computer 2 calculates the distance of the measuring electrode 4 which needs to be moved by the distance value and the zero coordinate value kept between the measuring electrode 4 and the sample, and the distance of the measuring electrode 4 needs to be driven by the distance of the adjusting driving mechanism is calculated, and the whole-course adjustment process is realized, the whole-time-saving and the measuring precision is easy to realize the adjustment of the measuring electrode 4.
The above embodiments are only exemplary embodiments of the present utility model and are not intended to limit the present utility model, and the scope of the present utility model is defined by the appended claims, and various modifications or equivalent substitutions may be made by those skilled in the art to which the present utility model pertains, and should be considered to fall within the scope of the present utility model.