阅读说明：本技术 一种自动数球器 (Automatic ball counting device ) 是由 丛玉廷 林学明 梅玉伟 齐文国 田月根 梅玉强 王容强 姚军营 韩燕� 赵越 于 2019-08-22 设计创作，主要内容包括：本申请涉及一种自动数球器,包括振动筛部分,数球主体部分和电气控制部分；振动筛部分包括振动筛主体架,通过弹簧设置有振动筛固定筛板,振动筛固定筛板底部设置有震动电机,内部套有振动筛上筛板,上筛板的尾部设有向下的折弯；数球主体部分位于折弯的下方,包括数球器主体固定架,数球器主体固定架上设置有下固定板和上固定板,下固定板和上固定板之间设有多个传感器焊接管装配,用于安装传感器,上固定板上安装有上漏斗,下固定板的下方设置有下漏斗,上漏斗、传感器焊接管装配和下漏斗连通；电气控制部分至少包括括微控制器,微控制器连接传感器焊接管装配,可对大量胶球进行连续测试,并且不受胶球磨损的影响。(The application relates to an automatic ball counting device, which comprises a vibrating screen part, a ball counting main body part and an electric control part; the vibrating screen part comprises a vibrating screen main body frame, a vibrating screen fixing screen plate is arranged through a spring, a vibrating motor is arranged at the bottom of the vibrating screen fixing screen plate, an upper vibrating screen plate is sleeved inside the vibrating screen fixing screen plate, and a downward bend is arranged at the tail part of the upper vibrating screen plate; the ball counting main body part is positioned below the bend and comprises a ball counting device main body fixing frame, a lower fixing plate and an upper fixing plate are arranged on the ball counting device main body fixing frame, a plurality of sensor welding pipe assemblies are arranged between the lower fixing plate and the upper fixing plate and used for installing sensors, an upper funnel is arranged on the upper fixing plate, a lower funnel is arranged below the lower fixing plate, and the upper funnel, the sensor welding pipe assemblies and the lower funnel are communicated; the electric control part at least comprises a microcontroller, the microcontroller is connected with the sensor welding pipe assembly, a large number of rubber balls can be continuously tested, and the electric control part is not influenced by the abrasion of the rubber balls.)

1. An automatic ball counting device is characterized by comprising a vibrating screen part, a ball counting main body part and an electric control part;

The vibrating screen part comprises a vibrating screen main body frame (1-8), a vibrating screen fixing screen plate (1-5) is arranged on the vibrating screen main body frame (1-8) through a spring, a vibrating motor (1-1) is arranged at the bottom of the vibrating screen fixing screen plate (1-5), a vibrating screen upper screen plate (1-4) is sleeved inside the vibrating screen fixing screen plate (1-5), and the tail part of the vibrating screen upper screen plate (1-4) is provided with a downward bend;

The ball counting main body part is positioned below the bend and comprises a ball counting device main body fixing frame (2-8), a lower fixing plate (2-7) and an upper fixing plate (2-3) are arranged on the ball counting device main body fixing frame (2-8), the lower fixing plate (2-7) and the upper fixing plate (2-3) are supported through supporting columns (2-5), a plurality of sensor welding pipe assemblies (2-6) are arranged between the lower fixing plate (2-7) and the upper fixing plate (2-3), used for installing a sensor, an upper funnel (2-1) is arranged on the upper fixing plate (2-3), a lower funnel (2-9) is arranged below the lower fixing plate (2-7), and the upper funnel (2-1), the sensor welding pipe assembly (2-6) and the lower funnel (2-9) are communicated;

The electrical control part comprises at least a microcontroller connected to the sensor welded pipe arrangement (2-6).

2. The automatic ball counter according to claim 1, wherein the sensor welded pipe assembly (2-6) comprises an upper welded pipe (2-6-1), a welded pipe transition sleeve (2-6-2), a sensor protection assembly (2-6-3), a lower connecting flange (2-6-4), a sensor assembly fixing sleeve (2-6-5) and a lower welded pipe (2-6-6);

the inner diameter of the upper welded pipe (2-6-1) is smaller than that of the lower welded pipe (2-6-6), the upper part of the welded pipe transition sleeve (2-6-2) is welded with the upper welded pipe (2-6-1), the lower part of the welded pipe transition sleeve is welded with the lower welded pipe (2-6-6), and the upper welded pipe (2-6-1) and the lower welded pipe (2-6-6) are concentrically arranged;

The pipe wall of the lower welding pipe (2-6-6) is provided with 2 opposite round holes for welding a sensor assembly fixing sleeve (2-6-5), and the sensor protection assembly (2-6-3) is inserted into the sensor assembly fixing sleeve (2-6-5);

the lower part of the lower welding pipe welding (2-6-6) is welded with a lower connecting flange (2-6-4), and the lower connecting flange (2-6-4) is fastened with the lower fixing plate (2-7) through screws.

3. the automatic ball counter according to claim 2, wherein the sensor protection assembly (2-6-3) comprises a photoelectric sensor (2-6-3-1) with a nut (2-6-3-2), a sensor protection main body sleeve (2-6-3-3), an O-shaped sealing ring (2-6-3-4), a glass gland (2-6-3-5), a gland fastening screw (2-6-3-6), toughened glass (2-6-3-7) and a glass sealing ring (2-6-3-8);

the photoelectric sensor (2-6-3-1) is provided with threads, an internal thread matched with the photoelectric sensor (2-6-3-1) is processed on the sensor protection main body sleeve (2-6-3-3), and the photoelectric sensor (2-6-3-1) penetrates through the photoelectric sensor self-provided nut (2-6-3-2) and then is in threaded connection with the sensor protection main body sleeve (2-6-3-3);

a glass sealing ring (2-6-3-8), toughened glass (2-6-3-7) and a glass gland (2-6-3-5) are sequentially arranged in the other side of the sensor protection main body sleeve (2-6-3-3), the glass gland (2-6-3-5) and the sensor protection main body sleeve (2-6-3-3) are fastened through gland fastening screws (2-6-3-6), and the O-shaped sealing ring (2-6-3-4) is positioned between the sensor protection component (2-6-3) and the sensor component fixing sleeve (2-6-5);

The photoelectric sensor (2-6-3-1) is connected with the microprocessor.

4. the automatic ball counter according to claim 3, characterized in that the photoelectric sensor (2-6-3-1) is of the type OMRON.

5. The automatic ball counter according to claim 1, wherein the upper hopper (2-1) is divided into a plurality of parts having the same number as the sensor welding pipe assemblies (2-6) by a guide triangular partition (2-1-1), and a circular hole is formed below each part as a ball passing hole (2-1-2) for passing a ball when counting balls.

6. the automatic ball counter according to claim 1, wherein the upper fixing plate (2-3) is provided with a number of circular holes equal to the number of the sensor welding pipe assemblies (2-6) for inserting and welding the upper circular pipes of the sensor welding pipe assemblies (2-6).

7. The automatic ball counter according to claim 1, wherein the lower fixing plate (2-7) and the sensor welding pipe assembly (2-6) are connected by screws.

8. The automatic ball counter according to claim 1, wherein a ball bucket (2-10) is arranged below the lower hopper (2-9).

Technical Field

The invention relates to the field of rubber ball counting devices, in particular to an automatic ball counting device.

Background

in order to reduce energy consumption, condenser of thermal power plant at home and abroad generally adopts condenser tube rubber ball cleaning technology, the cleaning process is controlled by a rubber ball cleaning system, the rubber balls are recovered after passing through a condenser tube under the control of the rubber ball cleaning system, and the recovered rubber balls are subjected to quantity confirmation, so that the ball recovery rate is calculated, and is an important index for evaluating the quality of the rubber ball cleaning system. Most of rubber ball cleaning systems do not have automatic ball counting devices in whole circulation system, just so need take out the rubber ball and carry out manual check number alone after the circulation system, and it is too much time spent to a small amount of rubber balls, but will consume a large amount of manpower and materials to the number ball of a large amount of rubber balls, occupy a large amount of time. Some rubber ball cleaning systems of enterprises have online ball counting devices, but ball counting errors are quite large, and calculation results of ball receiving rates are greatly influenced, so that rubber balls need to be taken out of a circulating system to be manually counted, and the rubber ball cleaning systems are used for evaluating the ball counting function of an online ball counting device. On the other hand, when the rubber balls in the circulating system are seriously worn, the rubber balls also need to be taken out from the circulating system for manual counting. Aiming at the defects of ball counting of the rubber ball cleaning system, an automatic ball counting device which can count balls conveniently outside a circulating system is urgently needed.

Disclosure of Invention

The present invention aims to solve the above-mentioned disadvantages of the prior art.

in order to achieve the above object, an embodiment of the present invention provides an automatic ball counting device, including a vibrating screen portion, a ball counting main portion and an electrical control portion; the vibrating screen part comprises a vibrating screen main body frame, a vibrating screen fixing screen plate is arranged on the vibrating screen main body frame through a spring, a vibrating motor is arranged at the bottom of the vibrating screen fixing screen plate, an upper vibrating screen plate is sleeved inside the vibrating screen fixing screen plate, and a downward bend is arranged at the tail part of the upper vibrating screen plate; the ball counting main body part is positioned below the bend and comprises a ball counting device main body fixing frame, a lower fixing plate and an upper fixing plate are arranged on the ball counting device main body fixing frame, the lower fixing plate and the upper fixing plate are supported through supporting columns, a plurality of sensor welding pipe assemblies are arranged between the lower fixing plate and the upper fixing plate and used for installing sensors, an upper funnel is arranged on the upper fixing plate, a lower funnel is arranged below the lower fixing plate, and the upper funnel, the sensor welding pipe assemblies and the lower funnel are communicated; the electrical control portion includes at least a microcontroller connected to the sensor weld tube assembly.

in one possible embodiment, the sensor welded pipe assembly comprises an upper welded pipe, a welded pipe transition sleeve, a sensor protection assembly, a lower connecting flange, a sensor assembly fixing sleeve and a lower welded pipe; the inner diameter of the upper welding pipe is smaller than that of the lower welding pipe, the upper part of the transition sleeve of the welding pipe is welded with the upper welding pipe, the lower part of the transition sleeve of the welding pipe is welded with the lower welding pipe, and the upper welding pipe and the lower welding pipe are concentrically arranged; the pipe wall of the lower welding pipe is provided with 2 opposite round holes for welding a sensor component fixing sleeve, and a sensor protection component is inserted into the sensor component fixing sleeve; the lower part of the lower welding pipe is welded with a lower connecting flange, and the lower connecting flange is fastened with the lower fixing plate through screws.

In one possible embodiment, the sensor protection component comprises a photoelectric sensor, wherein the photoelectric sensor is provided with a nut, a sensor protection main body sleeve, an O-shaped sealing ring, a glass gland, a gland fastening screw, tempered glass and a glass sealing ring; the photoelectric sensor is provided with threads, an internal thread matched with the photoelectric sensor is processed on the sensor protection main body sleeve, and the photoelectric sensor penetrates through a nut of the photoelectric sensor and then is in threaded connection with the sensor protection main body sleeve; a glass sealing ring, toughened glass and a glass gland are sequentially arranged in the other side of the sensor protection main body sleeve, the glass gland and the sensor protection main body sleeve are fastened through gland fastening screws, and the O-shaped sealing ring is positioned between the sensor protection assembly and the sensor assembly fixing sleeve; the photoelectric sensor is connected with the microprocessor.

in one possible embodiment, the photosensor is of the type OMRON.

In a possible embodiment, the upper funnel is divided into a plurality of parts with the same number as the sensor welding pipes by a guide triangular partition plate, and a round hole is arranged below each part and is used as a glue ball circulation hole for passing glue balls when counting the glue balls.

In a possible embodiment, the upper fixing plate is provided with a number of round holes equal to the number of the sensor welding pipes, for inserting and welding the upper round pipe of the sensor welding pipe assembly.

In one possible embodiment, the lower fixing plate and the sensor welding pipe are assembled and connected through screws.

In one possible implementation, a ball containing barrel is arranged below the lower funnel.

The invention can continuously test a large number of rubber balls, is not influenced by the abrasion of the rubber balls, can display the number of the detected rubber balls in real time, adopts the photoelectric sensor for detection, has simple mechanical structure design, simple and convenient operation of counting the rubber balls, wide application range, high system integration level, good reliability, high speed of counting the rubber balls, good real-time performance and strong anti-interference performance, reduces the trouble, error and labor intensity of manual counting, and can greatly improve the accuracy and efficiency of counting the cleaned rubber balls.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

fig. 1 is a schematic structural diagram of an automatic ball counter according to an embodiment of the present invention;

FIG. 2 is a front view of FIG. 1;

FIG. 3 is a top view of FIG. 1;

FIG. 4 is a right side view of a portion of a shaker provided in accordance with an embodiment of the present invention;

FIG. 5 is a front view of a portion of a shaker provided in accordance with an embodiment of the present invention;

FIG. 6 is a cross-sectional view E-E of FIG. 4;

FIG. 7 is a top view of a portion of a shaker screen according to an embodiment of the present invention;

FIG. 8 is a schematic structural diagram of a main body of a ball counter according to an embodiment of the present invention;

FIG. 9 is a side view of FIG. 8;

FIG. 10 is a cross-sectional view E-E of FIG. 9;

FIG. 11 is a top view of FIG. 8;

FIG. 12 is a schematic diagram of a welded tube assembly for a sensor according to an embodiment of the present invention;

FIG. 13 is a cross-sectional view E-E of FIG. 12;

Fig. 14 is a schematic structural diagram of a sensor protection assembly according to an embodiment of the present invention;

FIG. 15 is a cross-sectional view E-E of FIG. 14;

Fig. 16 is a top view of an upper funnel according to an embodiment of the present invention;

FIG. 17 is a cross-sectional view E-E of FIG. 16;

Fig. 18 is a schematic structural view of an electric control portion;

1: vibrating screen portion, 2: ball counter body part, 1-1: vibration motor, 1-2: vibrating screen small channel steel, 1-3: an upper fixing shaft of the vibration spring, 1-4: an upper screen plate of a vibrating screen, 1-5: a vibrating screen fixing screen plate, 1-6: fixed spring, 1-7: lower fixed shaft of vibration spring, 1-8: main frame of vibrating screen, 1-9: fastening screws for an upper sieve plate of a vibrating sieve, 2-1: upper funnel, 2-1-1: guide triangular partition plate, 2-1-2: glue ball flow hole, 2-2: upper funnel fastening screw, 2-3: upper fixing plate, 2-4: support column fastening screw, 2-5: support column, 2-6: assembling a sensor welding pipe, 2-7: lower fixing plate, 2-8: ball counter body mount, 2-9: lower funnel, 2-10: ball filling barrel, 2-11: lower funnel fastening screw, 2-6-1: upper welded pipe, 2-6-2: 2-6-3: sensor protection component, 2-6-4: lower connecting flange, 2-6-5: sensor component fixing sleeve, 2-6-6: lower welded pipe, 2-6-3-1: photoelectric sensor, 2-6-3-2: the photoelectric sensor is provided with a nut, 2-6-3-3: sensor protection main body cover, 2-6-3-4: o-shaped sealing ring, 2-6-3-5: glass gland, 2-6-3-6: gland fastening screw, 2-6-3-7: 2-6-3-8 parts of toughened glass: and (4) a glass sealing ring.

Detailed Description

The technical solution of the present invention is further described in detail with reference to the accompanying drawings and embodiments.

Referring to fig. 1 to 3, an embodiment of the present invention provides an automatic ball counter, which is disposed beside a ball dispenser, and includes a vibrating screen part, a ball counting body part, and an electrical control part.

The vibrating screen part comprises a vibrating screen main body frame 1-8, a vibrating motor 1-1 and a rubber ball circulation plate.

the ball counting main body part comprises ball counting device main body fixing frames 2-8, a rubber ball circulation funnel part and a sensor part for rubber balls.

the electric control part consists of a microcontroller, an RTC clock, a keyboard, a display, a power supply and the like.

the rubber ball is placed in the vibrating screen, the rubber ball can fall into the hopper of the ball counting main body part along the vibrating screen uniformly due to the vibration of the vibrating motor, then fall into the ball loading barrel from the ball counting tube, the opposite photoelectric sensor for the balls is arranged on the outer wall of the ball counting tube, the rubber ball passing through the ball counting tube is recorded by the photoelectric sensor in the falling process of the rubber ball, the electric control part is provided with a microcontroller, and the microcontroller displays parameters, a ball counting value and a real-time clock in real time. The microcontroller collects the number of the rubber balls in real time and accumulates the number of the rubber balls, so that the number of the rubber balls can be displayed and stored in real time. According to the actual number of balls on site, the accuracy of the number of balls of the ball counting device can reach 99% on average, and the ball counting device has the advantages of simple structure, convenience in operation, high speed of counting balls, accuracy in counting balls and the like.

As shown in fig. 1-5, the vibrating screen part 1 comprises a vibrating screen main body frame 1-8, a vibrating screen fixed screen plate 1-5 and a vibrating screen upper screen plate 1-4.

4 lower vibrating spring fixing shafts 1-7 are welded on the upper portions of main body frames 1-8 of the vibrating screen, vibrating springs 1-6 are sleeved on the lower vibrating spring fixing shafts 1-7, and vibrating spring upper fixing shafts 1-3 are sleeved on the upper portions of the vibrating springs 1-6.

a vibrating motor 1-1 is fixed below a vibrating screen fixing screen plate 1-5, a vibrating screen small channel steel 1-2 is welded on the side face, welding positions are welded after field debugging is carried out according to the rolling condition of rubber balls in the vibrating screen, and an upper fixing shaft 1-3 of a vibrating spring is welded below the vibrating screen small channel steel 1-2.

the tail part of the fixed screen plate 1-5 of the vibrating screen is bent downwards as shown in figures 1, 2 and 5.

As shown in attached figures 6 and 7, the tail part of the upper sieve plate 1-4 of the vibrating screen is bent downwards and is a sheet metal bent part, a plurality of small round holes are processed on the bottom surface inside the upper sieve plate 1-4 of the vibrating screen, the polishing treatment is carried out on the inner part of the bottom surface, the small round holes can be used for homogenizing the rolling speed of the rubber balls rolling downwards when the rubber balls roll downwards, so that the checking accuracy of the photoelectric sensor is improved, the upper sieve plate 1-4 of the vibrating screen can be sleeved inside the fixed sieve plate 1-5 of the vibrating screen and can be conveniently detached, and the upper sieve plate 1-4 of the vibrating screen and the fixed sieve plate 1-5 of the vibrating screen are fixed together by fastening. The method comprises the steps of integrally assembling a vibrating screen fixing screen plate 1-5, a vibrating screen upper screen plate 1-4, a vibrating spring upper fixing shaft 1-3, a vibrating screen small channel steel 1-2, a vibrating motor 1-1 and vibrating screen upper screen plate fastening screws 1-9, then installing the assembled vibrating screen upper screen plate on 4 vibrating springs 1-6, adjusting the vibration frequency of the vibrating motor 1-1, and starting the vibrating motor 1-1, so that the vibrating screen upper screen plate 1-4 vibrates along with the vibrating motor 1-1.

As shown in fig. 8-9, the ball counting main body part 2 comprises a ball counting device main body fixing frame 2-8, the ball counting device main body fixing frame 2-8 is fixed on the horizontal ground, a lower fixing plate 2-7 is welded on the ball counting device main body fixing frame 2-8, 4 supporting columns 2-5 are fixed on the lower fixing plate 2-7 through supporting column fastening screws 2-4, an upper fixing plate 2-3 is fixed on the upper parts of the 4 supporting columns 2-5 through supporting column fastening screws 2-4, and an upper funnel 2-1 is fixed on the upper fixing plate 2-3 through upper funnel fastening screws 2-2.

The center of the upper fixing plate 2-3 is provided with a round hole for inserting and welding an upper round pipe of the sensor welding pipe assembly 2-6, the lower part of the sensor welding pipe assembly 2-6 is provided with a round flange which is connected with the lower fixing plate 2-7 by screws, and the round hole of the center of the lower fixing plate 2-7 is just aligned to the inner hole of the center round pipe of the sensor welding pipe assembly 2-6 after installation.

The lower funnel 2-9 is fixed on the lower fixing plate 2-7 by a lower funnel fastening screw 2-11.

Referring to fig. 16-17, the upper funnel 2-1 is divided into 4 parts by a guiding triangular partition 2-1-1, a round hole is arranged below each part to serve as a glue ball circulation hole 2-1-2 for passing glue balls when counting the glue balls, the upper funnel 2-1 is made into an inclined plane form for rolling guidance of the glue balls and is beneficial to relieving the rolling speed of the glue balls so as not to block the glue ball circulation hole 2-1-2 below the upper funnel 2-1.

As shown in attached figures 2, 10 and 11, when rubber balls pass through a vibrating screen at a certain speed, the rubber balls fall onto a guide inclined plane of an upper funnel 2-1, then enter a central vertical pipe of a sensor welding pipe assembly 2-6 along the guide inclined plane, finally pass through a lower fixing plate 2-7, and fall into a ball containing barrel 2-10 after a lower funnel 2-9.

Referring to fig. 12 and 13, the sensor welded pipe assembly 2-6 comprises an upper welded pipe 2-6-1, a welded pipe transition sleeve 2-6-2, a sensor protection assembly 2-6-3, a lower connecting flange 2-6-4, a sensor assembly fixing sleeve 2-6-5 and a lower welded pipe 2-6-6.

Wherein, the inner diameter of the upper welding pipe 2-6-1 is smaller than that of the lower welding pipe 2-6-6, the upper part of the welding pipe transition sleeve 2-6-2 is welded with the upper welding pipe 2-6-1, the lower part is welded with the lower welding pipe 2-6-6, the concentricity of the upper and lower welding pipes is ensured during welding, when the rubber ball gradually tends to the axis position of the pipe in the process of falling the welded pipe on the 2-6-1, and finally falls into the welded pipe under the 2-6-6, the rubber ball can fall from the axis position of the pipe without large deflection, therefore, the measuring accuracy of the sensor on the welded pipe under 2-6-6 can be effectively improved, and if the rubber ball is deflected relative to the axis of the pipe in the falling process, the photoelectric sensor can possibly not detect the deflected rubber ball, so that the counting error is caused. The pipe wall of the lower welding pipe 2-6-6 is provided with 2 opposite round holes for welding the sensor assembly fixing sleeve 2-6-5, the sensor protection assembly 2-6-3 is inserted into the sensor assembly fixing sleeve 2-6-5, an O-shaped sealing ring 2-6-3-4 is placed in the middle, and the sealing ring plays a role in sealing the sensor assembly fixing sleeve and the sensor assembly fixing sleeve. The external surface is fastened by screws, the photoelectric sensor is arranged in the sensor protection component 2-6-3, so that two groups of opposite sensors are formed, when the rubber balls pass through the lower welding pipe 2-6-6, the rubber balls are detected by the opposite sensors, and then the rubber balls are converted into the quantity through operations such as signal conversion and the like and are stored in the total system. The lower part of the lower welding pipe 2-6-6 is welded with a lower connecting flange 2-6-4, and the lower connecting flange 2-6-4 is fastened with a lower fixing plate 2-7 by screws.

As shown in the attached figures 14-15, the sensor protection component 2-6-3 comprises a photoelectric sensor 2-6-3-1, a nut 2-6-3-2 provided with the photoelectric sensor, a sensor protection main body sleeve 2-6-3-3, an O-shaped sealing ring 2-6-3-4, a glass gland 2-6-3-5, a gland fastening screw 2-6-3-6, toughened glass 2-6-3-7 and a glass sealing ring 2-6-3-8.

The photoelectric sensor 2-6-3-1 adopts an E3FB sensor with the model of OMRON, and the sensor head cannot be waterproof, so a protection device is needed to protect the sensor head.

The surface of the photoelectric sensor 2-6-3-1 is provided with threads, the photoelectric sensor is provided with a nut 2-6-3-2 and is arranged on the threads of the photoelectric sensor 2-6-3-1, the sensor protection main body sleeve 2-6-3-3 is provided with internal threads matched with the photoelectric sensor 2-6-3-1, the photoelectric sensor 2-6-3-1 is screwed into the sensor protection main body sleeve 2-6-3-3 during installation, and the photoelectric sensor is screwed by the nut 2-6-3-2. A glass sealing ring 2-6-3-8 is arranged in the other surface of the sensor protection main body sleeve 2-6-3-3, then installing 2-6-3-7 toughened glass, installing 2-6-3-5 glass gland on the outermost surface, finally fastening the 2-6-3-5 glass gland and the 2-6-3-3 sensor protection main body sleeve by using 2-6-3-6 gland fastening screws, in the fastening process, the glass gland 2-6-3-5 compresses the toughened glass 2-6-3-7, the toughened glass 2-6-3-7 compresses the glass sealing ring 2-6-3-8, and the glass sealing ring 2-6-3-8 deforms under pressure to play a sealing role.

The function of the O-shaped sealing ring at the position 2 protects the sensor head of the 2-6-3-1 photoelectric sensor and does not influence the detection of the rubber ball by the optical signal of the sensor passing through the glass.

as shown in fig. 18, the electrical control part comprises a microcontroller, an RTC clock, a keyboard, a display and a power supply, wherein the microcontroller, the RCT clock, the keyboard, the display and the power supply are all integrated on a main board of the digital ball system, and the microcontroller is connected with a photoelectric sensor, the circuit connection of the photoelectric sensor is shown in fig. 18,

The microcontroller is responsible for managing the keyboard and displaying, managing input instructions and parameters, displaying parameters, ball counting values and a real-time clock in real time, collecting and accumulating the rubber ball numbers in real time, realizing the real-time display and storage of the rubber ball numbers, outputting control commands according to the instructions to control the starting and the closing of the vibrating motor, and remotely controlling the starting and the stopping of the rubber ball counting.

The Microcontroller (MCU) is integrated with a plurality of units such as a CPU, a RAM, a FLASHROM, an I/O port, a serial port and the like, and electromagnetic interference is reduced. The MCU adopts a 16-bit singlechip, the highest clock can reach 24MHZ, 80 percent of instructions can be completed in a single period, and the operation and data processing speed and the data acquisition speed are obviously improved. The resolution of the digital input acquisition can reach 1 MS.

The digital ball system mainboard adopts a 4-layer PCB structure, reduces the connecting lines, and is also provided with a hardware digital filter and a software digital filter to effectively inhibit strong electromagnetic interference in the power plant environment.

And the photoelectric sensor is used for converting the rubber ball number into an electric signal, inputting the electric signal into a rubber ball detection circuit of the counter, and collecting the electric signal by the MCU after filtering, amplifying and shaping of the circuit.

the RTC real time clock provides the time output of the system and can be used for system timing.

the serial communication port (RS-485) of a channel arranged on the main board of the digital ball system can be used for communication with a remote terminal and system debugging, and can be not arranged when not used.

In one example, the model of the single chip microcomputer is C8051F 020.

As shown in fig. 1-2, the relative distance between the vibrating screen part 1 and the ball counting main part 2 is firstly adjusted to ensure that the rubber balls roll down from the vibrating screen and then just enter the left guide surface of the upper funnel 2-1 of the ball counting main part 2, the positions of the rubber balls and the vibrating screen are adjusted, then the bottom frames of the rubber balls and the vibrating screen are adjusted by a level to keep horizontal, and then the bottom frames of the rubber balls and the vibrating screen are fixed. Starting an automatic ball counting device control system, starting a vibration motor 1-1, pouring rubber balls to be tested on the left side of a vibration screen part 1, wherein the rubber balls roll forwards continuously and uniformly because a plurality of small round holes are processed on the bottom surface of the vibration screen, then the rubber balls are uniformly dispersed on the whole screen surface of the vibration screen, finally fall on a guide surface on the left side of an upper funnel 2-1 of a ball counting main body part 2, the rubber balls enter 4 uniformly-divided grooves of the upper funnel 2-1 along the guide surface, then are detected by a photoelectric sensor through a sensor welding pipe assembly 2-6, and finally the rubber balls fall into a ball containing barrel 2-10 through a lower funnel 2-9.

the automatic ball counting device can continuously test a large number of rubber balls and is not influenced by the abrasion of the rubber balls. The system can display the current number of the check balls in real time, display a timing clock in real time, store the last number of the check balls, also store historical data of one month, communicate and network with a management system through an RS485 communication port, and link with a program control cabinet.

the automatic ball counting device adopts the photoelectric sensor for detection, has simple mechanical structure design, simple and convenient ball counting operation, wide application range, high system integration level, good reliability, high ball counting speed, good real-time performance and strong anti-interference performance. The automatic ball counter has small measurement error: the resolution ratio of the rubber ball is not more than 1MS, the counting error is not more than +/-0.002%, the accuracy is higher than 99%, the control reliability is not less than 99.9%, the trouble, error and labor intensity of manual counting are reduced, the accuracy and efficiency of rubber ball cleaning counting can be greatly improved, the counting time is reduced, and the rubber ball cleaning machine can better serve the industries of power plants such as firepower, water conservancy, nuclear power and the like

The above embodiments are provided to further explain the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above embodiments are merely exemplary embodiments of the present invention and are not intended to limit the scope of the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.