CN107649395B - Automatic steel ball screening device - Google Patents
Automatic steel ball screening device Download PDFInfo
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- CN107649395B CN107649395B CN201710914527.9A CN201710914527A CN107649395B CN 107649395 B CN107649395 B CN 107649395B CN 201710914527 A CN201710914527 A CN 201710914527A CN 107649395 B CN107649395 B CN 107649395B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B13/00—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices
- B07B13/04—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices according to size
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B13/00—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices
- B07B13/14—Details or accessories
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B13/00—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices
- B07B13/14—Details or accessories
- B07B13/16—Feed or discharge arrangements
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06M—COUNTING MECHANISMS; COUNTING OF OBJECTS NOT OTHERWISE PROVIDED FOR
- G06M1/00—Design features of general application
- G06M1/08—Design features of general application for actuating the drive
- G06M1/10—Design features of general application for actuating the drive by electric or magnetic means
- G06M1/101—Design features of general application for actuating the drive by electric or magnetic means by electro-optical means
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06M—COUNTING MECHANISMS; COUNTING OF OBJECTS NOT OTHERWISE PROVIDED FOR
- G06M7/00—Counting of objects carried by a conveyor
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Abstract
The invention discloses a device capable of automatically screening, classifying and placing steel balls with different diameters. The automatic steel ball feeding and discharging device comprises an automatic feeding mechanism, a first automatic screening mechanism, a second automatic screening mechanism, a discharging mechanism and a rack, when a steel ball passes through the first automatic screening mechanism, the oversized steel ball pushes a first screening pipe to move downwards and rotate, after the first screening pipe rotates for a certain angle, the steel ball rolls down to a first material receiving box through a first discharging track, and then the first screening pipe resets; the second screening pipe repeats the action of the first screening pipe, the qualified steel balls roll down to the second material receiving box, and the undersized steel balls fall down to the third material receiving box. The invention has the beneficial effects that: the first automatic screening mechanism and the second automatic screening mechanism can automatically screen steel balls with different diameters, and the screening precision is high; the automatic blanking mechanism automatically classifies and places the screened steel balls; each counter can count the number of oversize steel balls, undersize steel balls and qualified steel balls, and provides data support for the subsequent improved steel ball production process.
Description
Technical Field
The invention relates to the field of screening equipment, in particular to an automatic steel ball screening device.
Background
The steel ball is usually applied to occasions such as mechanical transmission, bear as basic part, and the diameter of steel ball usually has the requirement, generally goes to measure the diameter of steel ball with external micrometer, and the steel ball that the size is not in minimum limit diameter and maximum limit diameter within range all is unqualified product, goes to measure the diameter of steel ball one by one through the staff and wastes time and energy, and because the existence of artificial error, often has the phenomenon of misconnection to exist, influences follow-up steel ball result of use, and overall efficiency is low.
Chinese patent grant publication No. CN 104316532 a, the announcement day is 2015.01.28, the name is "steel ball detection device based on weighing sensor", it discloses a device that drives the steel ball through the gyro wheel and rolls, the camera detects the steel ball surface quality when the steel ball passes through first detection room, the weighing sensor further detects the steel ball quality when passing through the second detection room, then select the unqualified steel ball, the shortcoming of this kind of device is that can not screen the steel ball of different diameters, compare and rely on artifical the detection, degree of automation is not high.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a device capable of automatically screening steel balls with different diameters.
In order to achieve the purpose, the invention adopts the following technical scheme:
an automatic screening device for steel balls comprises
The automatic feeding mechanism comprises a hopper, a material conveying platform and a cylinder for pushing materials, the material conveying platform is fixed on the rack and comprises a material placing slope and a material pushing platform, the cylinder is arranged on the material conveying platform, and the hopper is positioned above the material placing slope;
the first automatic screening mechanism comprises a first gear, a first rack, a first connecting rod, a first screening pipe, a first sliding seat, a first spring and a stand column fixed on the rack, the first sliding seat is connected with the stand column in a sliding mode, a first bulge is arranged on the stand column, one end of the first spring is in contact with the sliding seat, the other end of the first spring is in contact with the first bulge, the first sliding seat, the first spring and the first bulge are sequentially arranged from top to bottom, one end of the first connecting rod is connected with the sliding seat in a rotating mode, the other end of the first connecting rod is connected with the first screening pipe, the first gear is connected with the first connecting rod, the first rack is relatively fixed with the stand column, the first rack is meshed with the first gear, and a material placing slope is located between the first screening pipe and the material pushing platform;
the second autofilter mechanism includes the second gear, the second rack, the second connecting rod, the second screening pipe, second slide and second spring, second slide and stand sliding connection, be equipped with the second arch on the stand, the one end and the slide contact of second spring, the other end and the protruding contact of second spring, the second slide, second spring and second arch are arranged from top to bottom in proper order, the one end and the slide of second connecting rod rotate to be connected, the other end and the second screening union coupling of second connecting rod, the second gear is connected with the second connecting rod, the second rack is relatively fixed with the stand, second rack and second gear meshing, the second screening pipe is located the below of first screening pipe, first screening pipe and the coaxial arrangement of second screening pipe, the screening clearance has between first screening pipe and the second screening pipe. The steel balls are placed in the hopper, the air cylinder pushes the steel balls on the material placing slope once at intervals to push the steel balls to the first screening pipe, the inner diameter of the first screening pipe is equal to the maximum limit diameter of the steel balls, the steel balls larger than the maximum limit diameter, namely, the steel balls which are too large, stay on the first screening pipe, the first screening pipe is pushed by the action of gravity to drive the first gear, the first connecting rod and the first slider to move downwards, the first gear rotates under the action of a first rack matched with the first gear in the process of moving downwards, the steel balls roll down to the blanking mechanism after the first screening pipe rotates for a certain angle, the first screening pipe resets under the action of a spring, so that the steel balls with the diameter larger than the maximum limit diameter are screened by the first screening pipe, the steel balls with the diameter smaller than the maximum limit diameter pass through the first screening pipe and fall to the second screening pipe, the inner diameter of the second screening pipe is equal to the minimum, the second screening pipe repeats the action of the first screening pipe, the qualified steel balls roll down to the blanking mechanism, and the steel balls with the diameter smaller than the minimum limit diameter, namely the undersized steel balls, fall from the second screening pipe.
Preferably, the blanking mechanism comprises a first blanking track arranged on one side of the first screening pipe, a first material receiving box arranged on the rack, a second blanking track arranged on one side of the second screening pipe, a second material receiving box arranged on the rack and a third material receiving box arranged on the rack, the first blanking track is communicated with the first material receiving box, the feeding end of the first blanking track is higher than the discharging end of the first blanking track, the second blanking track is communicated with the second material receiving box, the feeding end of the second blanking track is higher than the discharging end of the second blanking track, and the third material receiving box is positioned below the second screening pipe. The oversize steel balls fall from the first screening pipe to the first blanking track and then roll into the first material receiving box, the qualified steel balls fall from the second screening pipe and roll into the second material receiving box through the second blanking track, and the undersize steel balls directly fall into the third material receiving box.
Preferably, the rack is provided with a speed reducing pipe, the speed reducing pipe is arranged between the first screening pipe and the second screening pipe, the inner diameter of the speed reducing pipe is larger than that of the first screening pipe, the speed reducing pipe is formed by sequentially connecting an inlet pipe, an elbow pipe and an outlet pipe, and the inlet pipe, the outlet pipe and the first screening pipe are coaxially arranged. The bent pipe is used for reducing the speed of the steel ball in the process from the first screening pipe to the second screening pipe, so that the steel ball is prevented from impacting the second screening pipe too much and directly falling from the second screening pipe.
Preferably, a glue layer for reducing the speed of the steel ball is arranged in the speed reducing pipe. The glue layer further decelerates the steel ball.
Preferably, first screening pipe upper end is equipped with first stand pipe, and the diameter of first stand pipe reduces from top to bottom gradually, and second screening pipe upper end is equipped with the second stand pipe, and the diameter of second stand pipe reduces from top to bottom gradually. The first guide pipe or the second guide pipe is beneficial to stable placement of the steel balls in the first screening pipe or the second screening pipe.
Preferably, the first blanking track is provided with a first counting device, the first counting device is formed by electrically connecting a first photoelectric sensor and a first single chip microcomputer, the first photoelectric sensor comprises a first infrared transmitter and a first infrared receiver, and the first infrared transmitter and the first infrared receiver are respectively arranged on two opposite sides of the discharge end of the first blanking track. Every time the steel ball passes through the first photoelectric sensor, the infrared ray is blocked once, a pulse signal is given to the first single chip microcomputer, counting is performed once, and the first counting device can count the number of the overlarge steel balls.
Preferably, a second counting device is arranged on the second discharging rail and composed of a second photoelectric sensor and a second single chip microcomputer in electric connection, the second photoelectric sensor comprises a second infrared transmitter and a second infrared receiver, and the second infrared transmitter and the second infrared receiver are respectively arranged on two opposite sides of the discharging end of the second discharging rail. The second counting device can count the number of qualified steel balls.
Preferably, a third counting device is arranged below the second screening pipe, the third counting device is formed by electrically connecting a third photoelectric sensor and a third single chip microcomputer, the third photoelectric sensor comprises a third infrared transmitter and a third infrared receiver, and the third infrared transmitter and the third infrared receiver are respectively arranged on two opposite sides of the discharge end of the second screening pipe. The third counting device can count the number of the small steel balls.
Preferably, the first blanking track and the second blanking track are both provided with a speed reduction layer, and the first material receiving box, the second material receiving box and the third material receiving box are all provided with sponge buffer layers. The speed reduction layer reduces the rolling speed of the steel ball, and the sponge buffer layer reduces the impact of the steel ball on the first material receiving box, the second material receiving box and the third material receiving box and the noise caused by the impact.
Preferably, one end, far away from the material pushing platform, of the material placing slope is provided with a down-sliding rail, and the down-sliding rail is located above the first automatic screening pipe. The steel ball stops on the material placing slope stably and is propped by the cylinder, and the steel ball is pushed out of the material placing slope by the cylinder at intervals and rolls down into the first screening pipe stably through the lower sliding rail.
The invention has the beneficial effects that: (1) the first automatic screening mechanism and the second automatic screening mechanism can automatically screen steel balls with different diameters, and the screening precision is high; (2) the blanking mechanism automatically classifies and places the screened steel balls; (3) each counter can count the number of oversize steel balls, undersize steel balls and qualified products, and provides data support for improving the steel ball production process.
Drawings
Fig. 1 is a schematic structural view of the present invention.
In the figure: the feeding device comprises a hopper 11, a conveying table 12, a material placing slope 121, a material pushing platform 122, a lower sliding rail 123, an air cylinder 13, a first gear 21, a first rack 22, a first connecting rod 23, a first screening pipe 24, a first sliding seat 25, a first spring 26, a second gear 31, a second rack 32, a second connecting rod 33, a second screening pipe 34, a second sliding seat 35, a second spring 36, a first discharging rail 41, a first material receiving box 42, a second discharging rail 43, a second material receiving box 44, a third material receiving box 45, a stand column 51, a first protrusion 511, a second protrusion 512, a speed reducing pipe 52, an inlet pipe 521, an elbow 522 and an outlet pipe 523.
Detailed Description
The invention is further described with reference to the following figures and detailed description.
As shown in figure 1, the automatic screening device for the steel balls comprises
The automatic feeding mechanism comprises a hopper 11, a material conveying table 12 and a cylinder 13 for pushing materials, the material conveying table is fixed on the rack and comprises a material placing slope 121 and a material pushing platform 122, the cylinder is arranged on the material pushing platform, and the hopper is positioned above the material placing slope;
the first automatic screening mechanism comprises a first gear 21, a first rack 22, a first connecting rod 23, a first screening pipe 24, a first sliding seat 25, a first spring 26 and an upright post 51 fixed on the rack, wherein the first sliding seat is in sliding connection with the upright post, a first bulge 511 is arranged on the upright post, one end of the first spring is in contact with the sliding seat, the other end of the first spring is in contact with the first bulge, the first sliding seat, the first spring and the first bulge are sequentially arranged from top to bottom, one end of the first connecting rod is rotatably connected with the sliding seat, the other end of the first connecting rod is connected with the first screening pipe, the first gear is fixed on the first connecting rod, the first rack is relatively fixed with the upright post, the first rack is meshed with the first gear, and a material placing slope is positioned between the first screening pipe and the material pushing platform;
the second automatic screening mechanism comprises a second gear 31, a second rack 32, a second connecting rod 33, a second screening pipe 34, a second slide seat 35 and a second spring 36, the second slide seat is connected with the stand column in a sliding mode, a second bulge 512 is arranged on the stand column, one end of the second spring is in contact with the slide seat, the other end of the second spring is in contact with the second bulge, the second slide seat, the second spring and the second bulge are sequentially arranged from top to bottom, one end of the second connecting rod is rotatably connected with the slide seat, the other end of the second connecting rod is connected with the second screening pipe, the second gear is fixed on the second connecting rod, the second rack is relatively fixed with the stand column, the second rack is meshed with the second gear, the second screening pipe is located below the first screening pipe, the first screening pipe and the second screening pipe are coaxially arranged, and a screening gap is formed between the first screening pipe and the second screening pipe.
The blanking mechanism comprises a first blanking track 41 arranged on one side of the first screening pipe, a first material receiving box 42 arranged on the rack, a second blanking track 43 arranged on one side of the second screening pipe, a second material receiving box 44 arranged on the rack and a third material receiving box 45 arranged on the rack, the first blanking track is communicated with the first material receiving box, the feed end of the first blanking track is higher than the discharge end of the first blanking track, the second blanking track is communicated with the second material receiving box, the feed end of the second blanking track is higher than the discharge end of the second blanking track, and the third material receiving box is positioned below the second screening pipe; the rack is provided with a speed reducing pipe 52, the speed reducing pipe is positioned between the first screening pipe and the second screening pipe, the inner diameter of the speed reducing pipe is larger than that of the first screening pipe, the speed reducing pipe is formed by sequentially connecting an inlet pipe 521, an elbow pipe 522 and an outlet pipe 523, and the inlet pipe, the outlet pipe and the first screening pipe are coaxially arranged; a glue layer for reducing the speed of the steel ball is arranged in the speed reducing pipe; the upper end of the first screening pipe is provided with a first guide pipe, the diameter of the first guide pipe is gradually reduced from top to bottom, the upper end of the second screening pipe is provided with a second guide pipe, and the diameter of the second guide pipe is gradually reduced from top to bottom; the first blanking track is provided with a first counting device, the first counting device is formed by electrically connecting a first photoelectric sensor and a first single chip microcomputer, the first photoelectric sensor comprises a first infrared transmitter and a first infrared receiver, and the first infrared transmitter and the first infrared receiver are respectively arranged on two opposite sides of the discharge end of the first blanking track; a second counting device is arranged on the second blanking track and is formed by electrically connecting a second photoelectric sensor and a second single chip microcomputer, the second photoelectric sensor comprises a second infrared transmitter and a second infrared receiver, and the second infrared transmitter and the second infrared receiver are respectively arranged on two opposite sides of the discharge end of the second blanking track; a third counting device is arranged below the second screening pipe, the third counting device is formed by electrically connecting a third photoelectric sensor and a third single chip microcomputer, the third photoelectric sensor comprises a third infrared transmitter and a third infrared receiver, and the third infrared transmitter and the third infrared receiver are respectively arranged on two opposite sides of the discharge end of the second screening pipe; the first blanking track and the second blanking track are respectively provided with a deceleration layer, and the first material receiving box, the second material receiving box and the third material receiving box are respectively provided with a sponge buffer layer; one end of the material placing slope, which is far away from the material pushing platform, is provided with a down-sliding rail 123, and the down-sliding rail is positioned above the first screening pipe.
The steel balls are placed in the hopper, the cylinder pushes the steel balls on the material placing slope once at intervals to push the steel balls to the first screening pipe, the inner diameter of the first screening pipe is equal to the maximum diameter allowed by the steel balls, the steel balls with the diameter larger than the inner diameter of the first screening pipe stay on the first screening pipe, the first gear, the first connecting rod and the first sliding block are driven to move downwards by the thrust generated by the dead weight of the steel balls on the first screening pipe, the first gear rotates under the action of a first rack matched with the first gear in the process of moving downwards, the first gear drives the first screening pipe to rotate for a certain angle, the steel balls fall from the first screening pipe to the first blanking track and then roll to the first material receiving box, after the steel balls fall, the first screening pipe resets under the action of the spring, so that the steel balls with the diameter larger than the maximum limit diameter are screened by the first screening pipe, and the steel balls with the diameter smaller than or equal to the inner diameter of the first screening pipe pass through the first screening pipe and fall to the second screening pipe, the inner diameter of the second screening pipe is equal to the minimum diameter allowed by the steel balls, the second screening pipe repeats the action of the first screening pipe, the qualified steel balls roll into the second material receiving box through the second blanking track, and the steel balls with the diameter smaller than the minimum diameter directly fall into the third material receiving box.
The bent pipe is used for reducing the speed of the steel ball in the process from the first screening pipe to the second screening pipe, and the glue layer further reduces the speed of the steel ball so as to prevent the steel ball from impacting the second screening pipe too much and directly falling off the second screening pipe; the first guide pipe or the second guide pipe is beneficial to stable placement of the steel balls in the first screening pipe or the second screening pipe; every time the steel ball passes through the first photoelectric sensor, infrared rays are blocked once, a pulse signal is given to the first single chip microcomputer, counting is performed once, the first counting device can count the number of the steel balls with the diameter larger than the maximum limit diameter, similarly, the second counting device can count the number of qualified steel balls, the third counting device can count the number of the steel balls with the diameter smaller than the minimum limit diameter, and data support can be provided for the subsequent improved steel ball production process and the qualification rate can be improved by calculating the proportion of the steel balls with the diameter larger or smaller; the speed reduction layer reduces the rolling speed of the steel ball, and the sponge buffer layer reduces the impact of the steel ball on the first material receiving box, the second material receiving box or the third material receiving box and noise caused by the impact; the steel balls are stably stopped on the material placing slope and are propped by the air cylinder, the steel balls are pushed out of the material placing slope by the air cylinder at intervals, and stably roll down into the first screening pipe through the downslide track, and the interval time for pushing out the steel balls is longer than the time consumed for screening the steel balls. The first automatic screening mechanism and the second automatic screening mechanism can automatically screen steel balls with different diameters, and the screening precision is high; the blanking mechanism automatically classifies and places the screened steel balls; each counter can count the number of oversize steel balls, undersize steel balls and qualified steel balls, and provides data support for the subsequent improvement of the steel ball production process and the improvement of the steel ball qualification rate.
Claims (10)
1. An automatic screening device for steel balls is characterized by comprising
The automatic feeding mechanism comprises a hopper, a material conveying platform and a cylinder for pushing materials, the material conveying platform is fixed on the rack and comprises a material placing slope and a material pushing platform, the cylinder is arranged on the material conveying platform, and the hopper is positioned above the material placing slope;
the first automatic screening mechanism comprises a first gear, a first rack, a first connecting rod, a first screening pipe, a first sliding seat, a first spring and a stand column fixed on the rack, the first sliding seat is connected with the stand column in a sliding mode, a first bulge is arranged on the stand column, one end of the first spring is in contact with the sliding seat, the other end of the first spring is in contact with the first bulge, the first sliding seat, the first spring and the first bulge are sequentially arranged from top to bottom, one end of the first connecting rod is connected with the sliding seat in a rotating mode, the other end of the first connecting rod is connected with the first screening pipe, the first gear is connected with the first connecting rod, the first rack is relatively fixed with the stand column, the first rack is meshed with the first gear, and a material placing slope is located between the first screening pipe and the material pushing platform;
the second automatic screening mechanism comprises a second gear, a second rack, a second connecting rod, a second screening pipe, a second sliding seat and a second spring, the second sliding seat is connected with the upright column in a sliding manner, a second bulge is arranged on the upright column, one end of the second spring is contacted with the sliding seat, the other end of the second spring is contacted with the second bulge, the second sliding seat, the second spring and the second bulge are sequentially arranged from top to bottom, one end of the second connecting rod is rotatably connected with the sliding seat, the other end of the second connecting rod is connected with the second screening pipe, the second gear is connected with the second connecting rod, the second rack is relatively fixed with the upright column, the second rack is meshed with the second gear, the second screening pipe is positioned below the first screening pipe, the first screening pipe and the second screening pipe are coaxially arranged, a screening gap is arranged between the first screening pipe and the second screening pipe, the inner diameter of the first screening pipe is equal to the maximum limit diameter of the steel ball, the inner diameter of the second screening pipe is equal to the minimum limit diameter of the steel ball.
2. The automatic steel ball screening device according to claim 1, wherein the blanking mechanism includes a first blanking track disposed on one side of the first screening pipe, a first material receiving box disposed on the frame, a second blanking track disposed on one side of the second screening pipe, a second material receiving box disposed on the frame, and a third material receiving box disposed on the frame, the first blanking track is communicated with the first material receiving box, a feeding end of the first blanking track is higher than a discharging end of the first blanking track, the second blanking track is communicated with the second material receiving box, a feeding end of the second blanking track is higher than a discharging end of the second blanking track, and the third material receiving box is located below the second screening pipe.
3. The automatic steel ball screening device according to claim 1, wherein a speed reduction pipe is arranged on the frame, the speed reduction pipe is arranged between the first screening pipe and the second screening pipe, the inner diameter of the speed reduction pipe is larger than that of the first screening pipe, the speed reduction pipe is formed by sequentially connecting an inlet pipe, an elbow pipe and an outlet pipe, and the inlet pipe, the outlet pipe and the first screening pipe are coaxially arranged.
4. An automatic screening device for steel balls according to claim 3, wherein a glue layer for reducing the speed of the steel balls is arranged in the speed reducing pipe.
5. The automatic steel ball screening device according to claim 1 or 3, wherein a first guide pipe is arranged at the upper end of the first screening pipe, the diameter of the first guide pipe is gradually reduced from top to bottom, a second guide pipe is arranged at the upper end of the second screening pipe, and the diameter of the second guide pipe is gradually reduced from top to bottom.
6. The automatic steel ball screening device according to claim 2, wherein a first counting device is arranged on the first blanking track, the first counting device is formed by electrically connecting a first photoelectric sensor and a first single chip microcomputer, the first photoelectric sensor comprises a first infrared transmitter and a first infrared receiver, and the first infrared transmitter and the first infrared receiver are respectively arranged on two opposite sides of the discharge end of the first blanking track.
7. The automatic steel ball screening device according to claim 2, wherein a second counting device is arranged on the second blanking track, the second counting device is formed by electrically connecting a second photoelectric sensor and a second single chip microcomputer, the second photoelectric sensor comprises a second infrared transmitter and a second infrared receiver, and the second infrared transmitter and the second infrared receiver are respectively arranged on two opposite sides of the discharge end of the second blanking track.
8. The automatic steel ball screening device according to claim 1, wherein a third counting device is arranged below the second screening pipe, the third counting device is formed by electrically connecting a third photoelectric sensor and a third single chip microcomputer, the third photoelectric sensor comprises a third infrared transmitter and a third infrared receiver, and the third infrared transmitter and the third infrared receiver are respectively arranged on two opposite sides of the discharge end of the second screening pipe.
9. The automatic steel ball screening device according to claim 2, wherein the first and second discharging rails are provided with a decelerating layer, and the first, second and third material receiving boxes are provided with sponge buffer layers.
10. The automatic steel ball screening device according to claim 1 or 3, wherein a lower sliding rail is arranged at one end of the material placing slope, which is far away from the material pushing platform, and the lower sliding rail is positioned above the first screening pipe.
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| CN201710914527.9A CN107649395B (en) | 2017-09-30 | 2017-09-30 | Automatic steel ball screening device |
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|---|---|---|---|
| CN201710914527.9A CN107649395B (en) | 2017-09-30 | 2017-09-30 | Automatic steel ball screening device |
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| CN107649395A CN107649395A (en) | 2018-02-02 |
| CN107649395B true CN107649395B (en) | 2020-03-24 |
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| CN2588469Y (en) * | 2002-10-25 | 2003-11-26 | 郑州铁路职业技术学院 | Infrared ray intelligent counter |
| CN203565378U (en) * | 2013-09-22 | 2014-04-30 | 许昌四达电力设备有限公司 | Steel ball screening device |
| CN104226603A (en) * | 2014-09-19 | 2014-12-24 | 丹阳市云阳镇田园圣树专业合作社 | Vegetable seed screening device |
| CN204710726U (en) * | 2015-05-11 | 2015-10-21 | 武汉科技大学 | A kind of automatic letter sorting machine of New body-building ball |
| CN206503680U (en) * | 2017-02-22 | 2017-09-19 | 重庆永重重工有限公司 | Gravitational potential energy converting device |
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| CN107649395A (en) | 2018-02-02 |
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