JP2021107802A - Pressure application measurement device of pressure sensor - Google Patents

Abstract

To provide a pressure application measurement device of a pressure sensor.SOLUTION: A pressure application measurement device of a pressure sensor comprises a main unit. A transportation space is placed in the main unit. A transportation unit is placed in the transportation space. The transportation units includes rotatable first transportation belt and second transportation belt. The present invention makes: the transportation unit send sensors to the right side; and a measurement unit and a pressure application unit perform pressure measurements on the sensors in a transport process. A measurement process can full-automatically perform the pressure measurement on each of the sensors and enhances measurement accuracy and product acceptance rates. When the acceptances of the measured sensors are recognized, the sensors are directly sent to the right side to be packed. When the acceptances of the measured sensors are not recognized, the sensors are sent to the rear to be collected. Thus, an automatic removal operation of defective products is realized. The present invention has high work efficiency and high measurement accuracy, and is full-automatically operated and conveniently used.SELECTED DRAWING: Figure 1

Description

The present invention relates to the field of sensor technology, and specifically is a pressure measuring device for a pressure sensor.

A pressure sensor is a device that detects a pressure signal and converts it into an available electrical output signal according to a certain discipline, and it is important enough how to measure the pressure of the pressure sensor according to the wide range of applications of the pressure sensor. In general, there are three methods of measuring the pressure of a pressure sensor: measurement of the bridge circuit part, measurement of the zero point, and pressure measurement. Among them, pressure measurement is to provide power to the sensor. By applying pressure to the gas guide hole of the sensor, the amount of change in voltage becomes clear when the relative sensitivity of the pressure sensor is large, analyzed from the change in the voltage at the output end of the voltage detection sensor of the multimeter. Existing pressure measuring devices perform sampling inspections on the sensor, increasing the number of products that are not complete and fail, and the current pressure measuring process requires the assistance of human operation of the pressure gauge. , Work efficiency is low, and there is an artificial error when measuring, and the accuracy is low. The present invention discloses an apparatus capable of solving the above problems.

Chinese Patent Application Publication No. 101410703

Technical problem:
The pressure measuring device of the existing pressure sensor performs a sampling inspection on the sensor, and the work efficiency is low because the pressure measurement process at the present stage requires assistance to operate the pressure gauge by a person.

In order to solve the above problems, the present invention designs a pressure measuring device for a pressure sensor. The pressure measuring device of the pressure sensor includes a main body, a transport space is installed in the main body, a transport device is installed in the transport space, and the transport device is a rotatable first transport belt. Including the second transport belt, the first transport belt and the second transport belt have the same rotation direction, and the first transport belt and the second transport belt are used to send a sensor, and a gas guide. The holes are moved and interlocked to the right, a cylinder is fixedly installed between the first transport belt and the second transport belt, and a measurement space communicates with the cylinder under the cylinder. A lifting device is installed in the measuring space, the lifting device includes a measuring block that can be lifted and lowered, a measuring device is installed in the measuring block, and the measuring device is connected to a voltage connection end. The sensor is energized by electrically connecting the voltage connection end and the sensor to include two symmetrical insertion connection blocks, and the insertion connection block and the sensor are electrically connected. At the time, the voltage of the sensor is measured, and a pinching device is installed on the outer surface of the measuring space. The measuring device measures the pressure on the sensor, and a feeding device is installed behind the measuring space. The feeding device includes a rotatable feeding belt, and the sensor that has passed the measurement is on the right. The sensor, which has been sent out by the second transport belt and has failed the measurement, is sent back by the sending belt, and a pressurizing device is installed on the upper end surface of the main body, and the pressurizing device supplies gas. A gas pipe that can be inserted and pressurized is included, and the gas pipe measures the pressure by applying pressure to the sensor, and a multimeter showing the measurement result is attached to the right side of the pressurizing device.

Beneficially, a gas guide hole is provided in the sensor, and three insertion connecting grooves are formed on the lower end surface of the sensor.

The transport device includes four transport shafts rotatably installed in the transport space, a transport vehicle is fixedly installed on the transport shaft, and two transport vehicles located on the left side are symmetrical in the front-rear direction. The two transport vehicles located on the right side are mobilably connected by the first transport belt, and a timing belt groove is formed on the front end wall of the transport space. The front ends of the two transport shafts located in the middle extend into the timing belt groove, and the front end wall of the timing belt groove can be transmitted to the front end of the transport shaft located on the left side inside the timing belt groove. The attached power motor is fixedly installed, the transmission shaft is rotatably installed in the timing belt groove, and the transportation shaft and the transmission shaft located in the timing belt groove are connected by the timing belt. It is movably connected, and an overturning plate is rotatably installed between the front and rear first transport belts by an overturning shaft, and an overturning motor is rotatably connected to the front end of the overturning shaft. ..

The elevating device includes an elevating groove that opens rearward and communicates with the measurement space, and an elevating head screw is rotatably installed in the elevating groove, and an elevating motor is transmitted to the lower end of the elevating head screw. The elevating block is connected to the elevating master screw by a screw thread, the rear end of the elevating block extends into the measurement space, and the rotating shaft is rotatably installed in the elevating block. , The measuring block is fixedly installed on the rotating shaft, and a rotating motor is movably connected to the left end of the rotating shaft.

The measuring device includes a contraction space, in which an annular energization block is slidably installed, the insertion connection block is electrically connected to the energization block, and the energization block is connected by a voltage conductor. It is electrically connected to a multimeter, the lower end of the voltage connection end is attached to the energization block so as to cut off the conduction of electricity, and the lower end of the voltage connection end is electrically connected to an external power source by a wire. An adjustment slide groove is formed on the left end wall of the contraction space, a rotary lead screw is rotatably installed in the adjustment slide groove, and a connecting block is attached to the rotary lead screw by a thread. The right end of the main screw and the energizing block are fixedly connected, and an adjustment motor is electrically connected to the lower end of the rotary lead screw.

The sandwiching device includes a sandwiching space that communicates with the measurement space, and symmetrical sandwiching rods are slidably installed in the sandwiching space, and one end of the sandwiching rod that is close to each other and the sandwiching block are fixed. A fixed block is fixedly installed on the upper end surface of the holding rod, and a turning rod is crossed and connected by a hinge in the holding space, and the front end of the turning rod and the fixed block are connected to each other. Is slidably connected by a hinge, a mobile motor is fixedly installed on the right end wall of the holding space, and a bidirectional lead screw is movably attached to the left end of the mobile motor, and is attached to the bidirectional lead screw. Two moving blocks are attached by threads, and the left and right moving blocks are located outside the rear end of the turning rod.

The delivery device includes a delivery space that communicates with the transportation space and an external space, and a delivery shaft that is symmetrical in the front-rear direction is rotatably installed in the delivery space, and a delivery vehicle is fixedly installed on the delivery shaft. The delivery vehicle is mobilably connected by a delivery belt, a meshing space is provided on the right side of the delivery space, the right end of the delivery shaft located on the front side extends into the meshing space, and the meshing space is extended. A first umbrella gear is fixedly installed at the right end of the delivery shaft located on the front side extending into the inside, and a second umbrella gear meshes with the front end of the first umbrella gear, and the second umbrella gear and the said The rear end of the transmission shaft is fixedly connected.

The pressurizing device includes a push space opened downward, a hydraulic cylinder is fixedly installed on the upper end wall of the push space, and a telescopic shaft is movably attached to the lower end of the hydraulic cylinder. A push block is fixedly installed at the lower end of the telescopic shaft, a pneumatic cylinder is fixedly installed in the push block, and a gas pipe capable of communicating with the gas guide hole is attached to the lower end of the pneumatic cylinder. There is.

In the present invention, the sensor is sent to the right by the transport device, the pressure is measured on the sensor by the measuring device and the pressurizing device during the transport process, and the measurement process is fully automatic, and the pressurization measurement can be performed on each sensor. Increases the quality and pass rate of the product, and if the measured sensor is found to pass, the sensor is sent directly to the right for packaging, and if it is found to be unsuccessful, the sensor is sent back to collect and collect. In this way, the work of automatically eliminating defective products is realized, and the present invention has high work efficiency, high measurement accuracy, fully automatic operation, and is convenient to use.

In order to explain the present invention in detail with reference to FIGS. 1 to 5 below and to explain the present invention in a convenient manner, the following directions are defined as follows: FIG. 1 is a front view of the apparatus of the present invention and is described in the present application. Each direction is the direction when the device is viewed in the same direction as in FIG.

FIG. 1 is a schematic diagram of the overall configuration of the present invention. FIG. 2 is a schematic configuration diagram in the “AA” direction of FIG. FIG. 3 is a schematic configuration diagram in the “BB” direction of FIG. FIG. 4 is an enlarged schematic diagram of “C” in FIG. FIG. 5 is a schematic configuration diagram in the “DD” direction of FIG.

The present invention is a pressure measuring device for a pressure sensor, and is mainly used for measuring a pressure sensor. Further description will be given below in accordance with the accompanying drawings of the present invention.

The pressure measuring device for a pressure sensor according to the present invention includes a main body 20, a transport space 21 is installed in the main body 20, and a transport device 90 is installed in the transport space 21. The device 90 includes a rotatable first transport belt 24 and a second transport belt 25, the first transport belt 24 and the second transport belt 25 have the same rotation direction, and the first transport belt 24 and the second transport belt 25 have the same rotation direction. The second transport belt 25 is used to feed the sensor 35, and the gas guide hole 36 is moved and interlocked to the right, and a cylinder 29 is formed between the first transport belt 24 and the second transport belt 25. It is fixedly installed, a measurement space 64 is installed under the cylinder 29 so as to communicate with the cylinder 29, an elevating device 89 is installed in the measurement space 64, and the elevating device 89 elevates. A possible measurement block 44 is included, and a measurement device 88 is installed in the measurement block 44, and the measurement device 88 includes two insertion connection blocks 40 that are symmetrical with the voltage connection end 46, and the voltage connection end. When the sensor 35 is energized by electrically connecting the 46 and the sensor 35, and the insertion connection block 40 and the sensor 35 are electrically connected, the voltage of the sensor 35 is measured. A sandwiching device 87 is installed on the outer surface of the measurement space 64, the sandwiching device 87 is slidably installed and includes a sandwiching block 37 that is symmetrical, and the sandwiching block 37 tightly clamps the sensor 35 to perform the measurement. The device 88 measures the pressure on the sensor 35, and a delivery device 86 is installed behind the measurement space 64. The delivery device 86 includes a rotatable delivery belt 62, and the sensor has passed the measurement. 35 is sent to the right by the second transport belt 25, the sensor 35 which has failed the measurement is sent back by the sending belt 62, and a pressurizing device 85 is installed on the upper end surface of the main body 20. The pressurizing device 85 includes a gas pipe 79 capable of inputting gas and pressurizing, and the gas pipe 79 measures the pressure by applying pressure to the sensor 35, and the measurement result is displayed on the right side of the pressurizing device 85. The indicated multimeter 80 is attached.

For convenience, a gas guide hole 36 is installed in the sensor 35, and three insertion connecting grooves 39 are formed on the lower end surface of the sensor 35.

The transport device 90 includes four transport shafts 22 rotatably installed in the transport space 21, and a transport vehicle 23 is fixedly installed on the transport shaft 22, and two transport shafts located on the left side. The first transport belt 24, which is symmetrical in the front-rear direction, connects the vehicles 23 to the front end of the transport space 21. A timing belt groove 30 is formed on the wall, the front ends of the two transport shafts 22 located in the middle extend into the timing belt groove 30, and the timing belt groove 30 is formed on the front end wall of the timing belt groove 30. A power motor 32 movably attached to the front end of the transport shaft 22 located on the left side of the inside is fixedly installed, and a transmission shaft 34 is rotatably installed in the timing belt groove 30. The transport shaft 22 located in the belt groove 30 and the transmission shaft 34 are movably connected by a timing belt 33, and an overturn plate 26 is placed between the front and rear first transport belts 24. The flipping motor 28 is rotatably connected to the front end of the flipping shaft 27.

The elevating device 89 includes an elevating groove 72 that opens rearward and communicates with the measurement space 64, and an elevating base screw 73 is rotatably installed in the elevating groove 72, and a lower end of the elevating base screw 73. An elevating motor 71 is movably connected to the elevating base screw 73, an elevating block 70 is connected to the elevating main screw 73 by a screw thread, the rear end of the elevating block 70 extends into the measurement space 64, and the elevating block 70 A rotary shaft 42 is rotatably installed in the inside, the measurement block 44 is fixedly installed on the rotary shaft 42, and a rotary motor 49 is movably connected to the left end of the rotary shaft 42.

The measuring device 88 includes a contraction space 47, and an annular energization block 48 is slidably installed in the contraction space 47, the insertion connection block 40 is electrically connected to the energization block 48, and the energization is performed. The block 48 is electrically connected to the multimeter 80 by a voltage conducting wire 43, the lower end of the voltage connecting end 46 is attached to the energizing block 48 so as to cut off the conduction of electricity, and the lower end of the voltage connecting end 46 is a wire. An adjustment slide groove 51 is formed on the left end wall of the contraction space 47 by being electrically connected to an external power source by 45, and a rotary lead screw 41 is rotatably installed in the adjustment slide groove 51. A connecting block 52 is attached to the rotary master screw 41 by a thread, the right end of the connecting block 52 and the energizing block 48 are fixedly connected, and an adjustment motor 50 can be transmitted to the lower end of the rotary master screw 41. Is connected to.

The sandwiching device 87 includes a sandwiching space 53 that communicates with the measuring space 64, and a symmetrical sandwiching rod 38 is slidably installed in the sandwiching space 53, and is provided with one end of the sandwiching rod 38 that is close to each other. The holding block 37 is fixedly connected, the fixed block 55 is fixedly installed on the upper end surface of the holding rod 38, and the turning rod 68 is crossed and connected by a hinge in the holding space 53. The front end of the turning rod 68 and the fixed block 55 are slidably connected by a hinge, a moving motor 65 is fixedly installed on the right end wall of the holding space 53, and both are fixedly installed on the left end of the moving motor 65. A head screw 66 is movably attached, two moving blocks 67 are attached to the bidirectional head screw 66 by threads, and the left and right moving blocks 67 are located at positions outside the rear end of the turning rod 68. is doing.

The delivery device 86 includes a delivery space 63 that communicates with the transport space 21 and an external space, and a front-rear symmetrical delivery shaft 61 is rotatably installed in the delivery space 63, and the delivery shaft 61 is used for delivery. The vehicle 60 is fixedly installed, the delivery vehicle 60 is movably connected by a delivery belt 62, a meshing space 58 is installed on the right side of the delivery space 63, and the right end of the delivery shaft 61 located on the front side is A first umbrella gear 57 is fixedly installed at the right end of the delivery shaft 61 located on the front side extending into the meshing space 58 and extending into the meshing space 59, and the first umbrella gear 57 A second umbrella gear 59 meshes with the front end, and the second umbrella gear 59 and the rear end of the transmission shaft 34 are fixedly connected to each other.

The pressurizing device 85 includes a push space 74 that opens downward, a hydraulic cylinder 75 is fixedly installed on the upper end wall of the push space 74, and a telescopic shaft 76 is transmitted to the lower end of the hydraulic cylinder 75. A push block 77 is fixedly installed at the lower end of the telescopic shaft 76, a pneumatic cylinder 78 is fixedly installed in the push block 77, and the pneumatic cylinder 78 is fixedly installed at the lower end of the pneumatic cylinder 78. A gas pipe 79 that can communicate with the gas guide hole 36 is attached.

Hereinafter, the procedure for using the present invention will be described in detail with reference to FIGS. 1 to 5.

In the initial state, the flip plate 26 is installed horizontally, the sensor 35 is placed on the first transport belt 24 in the left-right direction, the insertion connecting groove 39 opens to the right, and the lower end surface of the energization block 48 is a contraction space. One end of the holding rod 38, which is in contact with the lower end wall of 47 and is separated from each other, is in contact with the inner end wall of the holding space 53.

At the time of measurement, the power motor 32 is started, the power motor 32 rotates and interlocks the transport shaft 22, and the timing belt 33 rotates, and the first transport belt 24 and the second transport belt 25 rotate clockwise in synchronization. When the timing belt 33 rotates, the transmission shaft 34 is rotated and interlocked, and the delivery shaft 61 rotates, the delivery belt 62 rotates at the same time, and the sensor 35 to be measured is turned to the right and sent to the flip plate 26 and turned over. By starting the motor 28, the flip plate 26 rotates 90 degrees clockwise, the sensor 35 located on the flip plate 26 falls into the measurement space 64, the power motor 32 stops, and the power motor 32 stops.
The mobile motor 65 is started, and the bidirectional lead screw 66 is rotated, the moving blocks 67 are moved away from each other, the holding blocks 37 are close to each other, pinch the sensor 35 tightly, start the adjusting motor 50, and rotate. The lead screw 41 rotates, the connecting block 52 ascends and interlocks the energizing block 48, the voltage connecting end 46 and the insertion connecting block 40 are respectively inserted into the insertion connecting groove 39 and electrically connected, and the sensor 35 is energized. Then, when the hydraulic cylinder 75 is started, the push block 77 is pushed down by the telescopic shaft 76, the lower end of the gas pipe 79 is inserted into the gas guide hole 36 to communicate with the gas guide hole 36, and the pneumatic cylinder 78 operates. , Gas is put into the gas guide hole 36 to realize pressurization, the result of pressure measurement is shown by the multimeter 80, and after the measurement is completed, the adjustment motor 50 reversely operates, so that the energization block 48 returns to descent. Then, the hydraulic cylinder 75 was reversed, the gas pipe 79 was raised and returned, and
After that, the elevating motor 71 is started, the elevating base screw 73 rotates, the measuring block 44 is ascended and interlocked by the elevating block 70, and when it is recognized that the pressure measurement is passed, the flipping motor 28 operates and the flipping plate 26 Is rotated clockwise to push the sensor 35 to position it on the second transport belt 25, and when the second transport belt 25 sends the sensor 35 to the right and the pressure measurement is found to be unsuccessful, the rotary motor 49 is started. Then, the measurement block 44 is turned over to the back, the sensor 35 is turned over until it is located on the delivery belt 62, sent to the back and collected in a concentrated manner, and then the elevating motor 71 and the rotary motor 49 are reversed and measured. The block 44 returns and prepares to make a pressure measurement on the next sensor 35.

The above-mentioned examples merely explain the technical concept and features of the present invention, and the purpose thereof is to allow a person skilled in the art to understand the contents of the present invention and further implement the invention, and the scope of protection of the present invention cannot be limited. .. All equivalent changes or modifications made on the basis of the spiritual substance of the invention should be included within the scope of the invention.

Claims (8)

Including the main body, a transportation space is installed in the main body,
A transport device is installed in the transport space, and the transport device includes a rotatable first transport belt and a second transport belt, and the rotation directions of the first transport belt and the second transport belt are the same. Also, the first transport belt and the second transport belt are used to feed the sensor, and the gas guide hole is moved and interlocked to the right, and between the first transport belt and the second transport belt. The cylinder is fixedly installed,
A measurement space is installed under the cylinder so as to communicate with the cylinder, a lifting device is installed in the measuring space, and the lifting device includes a measuring block that can be lifted and lowered, and is inside the measuring block. Is equipped with a measuring device, the measuring device includes two insertion connecting blocks that are symmetrical with the voltage connecting end, and the sensor is energized by electrically connecting the voltage connecting end and the sensor. When the insertion connection block and the sensor are electrically connected, the voltage of the sensor is measured.
A holding device is installed on the outer surface of the measuring space, the holding device includes a holding block that is slidably installed and becomes symmetrical, the holding block tightly holds the sensor, and the measuring device attaches to the sensor. A delivery device is installed on the rear side of the measurement space, the delivery device includes a rotatable delivery belt, and the sensor that has passed the measurement is sent to the right by the second transport belt. The sensor that failed the measurement is sent back by a feeding belt, a pressurizing device is installed on the upper end surface of the main body, and the pressurizing device includes a gas pipe capable of inputting gas and pressurizing. A pressure measuring device for a pressure sensor, characterized in that a gas pipe applies pressure to the sensor to measure pressure, and a multimeter indicating the measurement result is attached to the right side of the pressurizing device. The pressure measuring device for a pressure sensor according to claim 1, wherein a gas guide hole is provided in the sensor, and three insertion connecting grooves are formed on the lower end surface of the sensor. The transport device includes four transport shafts rotatably installed in the transport space.
A transport vehicle is fixedly installed on the transport shaft, and the two transport vehicles located on the left side are movably connected by the first transport belt that is symmetrical in the front-rear direction, and the two transport vehicles located on the right side are connected. Connected by the second transport belt so that it can be transmitted.
A timing belt groove is formed on the front end wall of the transportation space, the front ends of the two transport shafts located in the middle extend into the timing belt groove, and the timing belt groove is formed on the front end wall of the timing belt groove. A power motor movably attached to the front end of the transport shaft located on the left side of the inside is fixedly installed, and the transmission shaft is rotatably installed in the timing belt groove. The transport shaft and the transmission shaft located at the above are rotatably connected by a timing belt, and a flip plate is rotatably installed between the front and rear first transport belts by the flip shaft, and the flip shaft is rotatably installed. The pressure measuring device for a pressure sensor according to claim 1, wherein an overturning motor is motivated to be connected to the front end of the device. The elevating device includes an elevating groove that opens rearward and communicates with the measurement space.
An elevating head screw is rotatably installed in the elevating groove, an elevating motor is movably connected to the lower end of the elevating head screw, and an elevating block is connected to the elevating base screw by a screw thread. The rear end of the elevating block extends into the measurement space, a rotating shaft is rotatably installed in the elevating block, the measuring block is fixedly installed on the rotating shaft, and is located at the left end of the rotating shaft. The pressure sensor pressurization measuring device according to claim 1, wherein the rotary motors are movably connected to each other. The measuring device includes a contraction space.
An annular energizing block is slidably installed in the contracted space, the insertion connecting block is electrically connected to the energizing block, and the energizing block is electrically connected to the multimeter by a voltage conductor. The lower end of the voltage connection end is attached to the energization block so as to cut off the conduction of electricity, the lower end of the voltage connection end is electrically connected to an external power source by a wire, and an adjustment slide is attached to the left end wall of the contraction space. A groove is formed, a rotary master screw is rotatably installed in the adjustment slide groove, a connecting block is attached to the rotary master screw by a thread, and the right end of the connecting block and the energizing block are fixed. The pressure measuring device for a pressure sensor according to claim 1, wherein an adjustment motor is electrically connected to the lower end of the rotary lead screw. The sandwiching device includes a sandwiching space that communicates with the measuring space.
A symmetrical holding rod is slidably installed in the holding space, one end of the holding rod adjacent to each other and the holding block are fixedly connected, and a fixed block is fixedly connected to the upper end surface of the holding rod. Is fixedly installed, a turning rod is crossed and connected by a hinge in the holding space, and the front end of the turning rod and the fixed block are slidably connected by a hinge, and the right end wall of the holding space is connected. A mobile motor is fixedly installed in the space, and a bidirectional lead screw is movably attached to the left end of the mobile motor, and two moving blocks are attached to the bidirectional lead screw by threads. The pressure sensor pressure measuring device according to claim 1, wherein the moving block is located at an outer position of the rear end of the turning rod. The delivery device includes a delivery space that communicates with the transport space and an external space.
A delivery shaft that is symmetrical in the front-rear direction is rotatably installed in the delivery space, a delivery wheel is fixedly installed on the delivery shaft, the delivery wheel is movably connected by a delivery belt, and the delivery space is transmitted. A meshing space is installed on the right side of the gear, and the right end of the delivery shaft located on the front side extends into the meshing space, and the first is located at the right end of the delivery shaft located on the front side extending into the meshing space. A feature is that the bevel gear is fixedly installed, the second bead gear meshes with the front end of the first bead gear, and the second bead gear and the rear end of the transmission shaft are fixedly connected. The pressure measuring device for a pressure sensor according to claim 1. The pressurizing device includes a push space that opens downward.
A hydraulic cylinder is fixedly installed on the upper end wall of the push space, a telescopic shaft is movably attached to the lower end of the hydraulic cylinder, and a push block is fixedly installed on the lower end of the telescopic shaft. The pressure sensor according to claim 1, wherein a pneumatic cylinder is fixedly installed in the push block, and a gas pipe capable of communicating with the gas guide hole is attached to the lower end of the pneumatic cylinder. Pressurization measuring device.

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