阅读说明：本技术 一种o型密封圈自动筛选装置及其使用方法 (Automatic screening device for O-shaped sealing rings and using method thereof ) 是由 胡松 李龙 曹雏清 高云峰 于 2020-12-22 设计创作，主要内容包括：本发明公开了一种O型密封圈自动筛选装置,包括用于输送O型密封圈的传送带、用于对O型密封圈厚度进行筛分的厚度筛分机构和用于对O型密封圈外径进行筛分的宽度筛分机构,传送带通过支架固定连接在工作台上,厚度筛分机构和宽度筛分机构均安装在传送带的侧部,厚度筛分机构位于宽度筛分机构的前方,O型密封圈放置在传送带上,传送带运动进行传输O型密封圈,O型密封圈依次通过厚度筛分机构和宽度筛分机构。筛选装置还包括于用收集所需规格O型密封圈的需求品收集盒和收集不符合收集规格的O型密封圈的排料收集盒,需求品收集盒安装在传动带端部的出料口处,排料收集盒安装在传动带前方中间位置,用于收集不合收集规格、排除下来的O型密封圈。(The invention discloses an automatic screening device for O-shaped sealing rings, which comprises a conveyor belt for conveying the O-shaped sealing rings, a thickness screening mechanism for screening the thickness of the O-shaped sealing rings and a width screening mechanism for screening the outer diameters of the O-shaped sealing rings, wherein the conveyor belt is fixedly connected to a workbench through a support, the thickness screening mechanism and the width screening mechanism are both arranged on the side parts of the conveyor belt, the thickness screening mechanism is positioned in front of the width screening mechanism, the O-shaped sealing rings are placed on the conveyor belt, the conveyor belt moves to transmit the O-shaped sealing rings, and the O-shaped sealing rings sequentially pass through the thickness screening mechanism and the width screening mechanism. The screening device also comprises a required product collecting box for collecting O-shaped sealing rings with required specifications and a discharging collecting box for collecting the O-shaped sealing rings which are not in accordance with the collected specifications, wherein the required product collecting box is arranged at the discharge port at the end part of the transmission belt, and the discharging collecting box is arranged in the middle position in front of the transmission belt and used for collecting the O-shaped sealing rings which are not in accordance with the collected specifications and are discharged.)

1. The utility model provides a O type sealing washer autofilter device which characterized in that: including conveyer belt (1) that is used for carrying O type sealing washer, thickness screening mechanism (2) that are used for going on screening to O type sealing washer thickness and width screening mechanism (3) that are used for going on screening to O type sealing washer external diameter, conveyer belt (1) is through support (11) fixed connection on the workstation, and the lateral part at conveyer belt (1) is all installed in thickness screening mechanism (2) and width screening mechanism (3), and thickness screening mechanism (2) are located the place ahead of width screening mechanism (3), and O type sealing washer is placed on conveyer belt (1), and conveyer belt (1) motion transmits O type sealing washer, and O type sealing washer loops through thickness screening mechanism (2) and width screening mechanism (3).

2. The automatic screening device for the O-shaped sealing rings as claimed in claim 1, wherein: the screening device further comprises a required product collecting box (4) for collecting O-shaped sealing rings with required specifications and a discharging and collecting box (5) for collecting the O-shaped sealing rings which are not in accordance with the collected specifications, the required product collecting box (4) is installed at a discharging opening at the end part of the transmission belt (1), and the discharging and collecting box (5) is installed in the middle position in front of the transmission belt (1).

3. The automatic O-ring screening apparatus according to claim 1 or 2, wherein: thickness screening mechanism (2) are including connecting seat (24), driving motor (25) and screening runner (28), and driving motor (25) are installed on connecting seat (24), and pivot (27) and the output shaft of driving motor (25) of screening runner (28), and connecting seat (24) are connected on bed frame (31), and connecting seat (24) position is adjustable from top to bottom.

4. The automatic screening device for the O-shaped sealing rings as claimed in claim 3, wherein: thickness screening mechanism (2) still include fixed plate (21), be used for adjusting straight line module (22) of connecting seat (24) position height, high servo motor (23), fixed plate (21) fixed connection is on bed frame (31), straight line module (22) fixed connection is on fixed plate (21), high servo motor (23) are installed in sharp module (22) top, the output shaft and the sharp module (22) of high servo motor (23) are connected, the one end of keeping away from high servo motor (23) on sharp module (22) of connecting seat (24) fixed connection, high servo motor (23) rotate drive sharp module (22) and move, straight line module (22) motion is followed in connecting seat (24).

5. The automatic screening device for the O-shaped sealing rings as claimed in claim 3, wherein: be equipped with blade (281) on screening runner (28), the circumference evenly distributed of screening runner (28) is followed in blade (281), and the output shaft of shaft coupling and bearing and driving motor (25) is passed through to the one end of pivot (27), and the other end and the screening runner (28) of pivot (27) are connected, and the edge of the one end of screening runner (28) is kept away from to blade (281) equals the thickness of required specification O type sealing washer to the distance of drive belt (1).

6. The automatic screening device for the O-shaped sealing rings as claimed in claim 4, wherein: the width screening mechanism (3) comprises a base frame (31), a mounting plate (32) and a width baffle plate (36), the base frame (31) is fixedly mounted on the workbench, the upper portion of the mounting plate (32) is fixedly connected onto the base frame (31), the width baffle plate (36) is slidably connected to the bottom of the mounting plate (32), the position of the width baffle plate (36) on the mounting plate (32) is adjusted, and the minimum distance from the width baffle plate (36) to the edge of the conveyor belt (1) is equal to the width of an O-shaped sealing ring with the required specification.

7. The automatic screening device for the O-shaped sealing rings as claimed in claim 6, wherein: width screening mechanism (3) still include width servo motor (33), linear guide (34), ball screw (35) and screw nut (351), linear guide (34) set up the top at width striker plate (36), the bottom of mounting panel (32) is equipped with slider (341), width striker plate (36) are through linear guide (34) and slider (341) cooperation sliding connection on mounting panel (32), screw nut (351) fixed connection is in the intermediate position at width striker plate (36) top, width servo motor (33) fixed connection is in the lower rear intermediate position of mounting panel (32), the output shaft of shaft coupling and width servo motor (33) is passed through to the one end of ball screw (35), the other end and the screw nut (351) cooperation of ball screw (35).

8. The automatic screening device for the O-shaped sealing rings as claimed in claim 7, wherein: the width screening mechanism (3) further comprises a vertical blowing device (37), the vertical blowing device (37) is fixedly connected to the right front end above the mounting plate (32), the vertical blowing device (37) comprises an air source, a blowing port (371) and a supporting frame (372), one end of the supporting frame (372) is connected to the mounting plate (32), the other end of the supporting frame (372) is installed through the blowing port (371), the blowing port (371) is located on the side edge of the conveyor belt (1) far away from the mounting plate (32), and the blowing port (371) is connected with the air source through an air guide pipe.

9. The automatic O-ring screening apparatus of claim 8, wherein: the width screening mechanism (3) further comprises a horizontal air blowing device (38), the horizontal air blowing device (38) is fixedly connected to the front end of the right side of the width baffle plate (36), the horizontal air blowing device (38) comprises an installation block (381), a T-shaped block (382), a spring plunger pin (383), a hand-rotating adjusting screw (384), an L-shaped connecting plate (385) and a flat air blowing nozzle (386), the installation block (381) is fixedly connected to the width baffle plate (36), the T-shaped block (382) is slidably connected to the installation block (381), the spring plunger pins (383) are symmetrically arranged on two sides of the installation block (381), the lower end of the spring plunger pin (383) is fixedly connected to the installation block (381), the upper end of the spring plunger pin (383) abuts against the T-shaped block (382), one end of the L-shaped connecting plate (385) is fixedly connected to the T-shaped block (382), and the flat air blowing nozzle (386) is fixedly connected to the other end of the L-shaped connecting plate (, the hand-screwed adjusting screw (384) is positioned above the T-shaped block (382), and the hand-screwed adjusting screw (384) penetrates through the T-shaped block (382) to be connected with the mounting block (381) through a thread pair and is used for adjusting the height of the flat air blowing nozzle (386).

10. The use method of the automatic screening device for the O-shaped sealing ring is characterized by comprising the following steps: the automatic screening device for the O-shaped sealing rings according to any one of claims 1 to 9, wherein the using method comprises the following steps:

step a.O, screening the outer diameter and the thickness of the sealing ring according to the set equipment screening from small to large, and adjusting a thickness screening mechanism (2) and a width screening mechanism (3) according to the outer diameter and the thickness parameters of the O-shaped sealing ring to be screened out;

b, controlling the rotating angle of the height servo motor (23) to adjust the screening height of the thickness screening mechanism, enabling the connecting seat (24) to move up and down through the height servo motor (23) and the linear module (22) to adjust the height of the screening rotating wheel (28), and enabling the distance from the edge of one end, away from the screening rotating wheel (28), of the blade (281) to the transmission belt (1) to be equal to the thickness of the O-shaped sealing ring to be screened;

c, controlling the rotating angle of the width servo motor (33) to adjust the screening width of the width screening mechanism, driving a ball screw (35) to rotate through the rotation of the width servo motor (33), and driving a width material baffle plate (36) to move in the width direction of the conveyor belt (1) by moving a screw nut (351) along the ball screw (35), so that the minimum distance from the width material baffle plate (36) to the edge of the conveyor belt (1) is equal to the width of the O-shaped sealing ring to be screened; an air blowing opening (371) of the vertical air blowing device (37) is positioned right above one side edge of the conveyor belt (1) far away from the mounting plate (32), and an O-shaped sealing ring which is not completely arranged on the conveyor belt (1) when passing through the width screening mechanism is blown into the discharging and collecting box (5);

d, rotating an adjusting screw (384), wherein under the action of spring force of a spring plunger pin (383), a T-shaped block (382) moves upwards or downwards relative to an installation block (381), so that an L-shaped connecting plate (385) is driven to move upwards or downwards, a flat air blowing nozzle (386) is driven to move upwards or downwards, and the height of the flat air blowing nozzle (386) from a conveyor belt is adjusted to be equal to the thickness of the O-shaped sealing ring to be screened;

the O-shaped sealing ring is placed on the conveyor belt (1) in the step e.O, the O-shaped sealing ring runs along with the conveyor belt (1), the O-shaped sealing ring sequentially passes through the thickness screening mechanism (2) and the width screening mechanism (3), the O-shaped sealing ring can not meet the thickness requirement when passing through the thickness screening mechanism (2), the O-shaped sealing ring can be discharged into the discharge material collection box (5), the O-shaped sealing ring meeting the thickness requirement penetrates through the thickness screening mechanism (2) through the conveyor belt (1) to enter the width screening mechanism (3), the outer diameter screening is carried out, the outer diameter requirement is met, the O-shaped sealing ring passes through the width screening mechanism (3) through the conveyor belt, the discharge material falls into the required product collection box (4), and the discharge material which can not.

Technical Field

The invention belongs to the technical field of part screening, and particularly relates to an automatic screening device for an O-shaped sealing ring and a using method thereof.

Background

The O-shaped sealing ring is a circular rubber sealing ring with a circular cross section. The double-acting sealing element is a double-acting sealing element, is mainly used for preventing liquid and gas media from leaking from mechanical parts under static conditions, and can also be used as a dynamic sealing element for axial reciprocating motion and low-speed rotating motion under certain working condition environments.

O type sealing washer is various, and the O type sealing washer of different models has the appearance characteristic of different external diameters, thickness, and traditional screening mode mainly relies on the manual work to select separately, and this kind of screening mode work efficiency is low, and increases along with manual work time, and the screening is in disorder easily appears, screens phenomenons such as unqualified.

Although the chinese patent with the application number CN201822158983.8 discloses an O-shaped sealing ring screening device, which proposes a set of mode for automatically screening O-shaped sealing rings by the "vibrating funnel principle", the structure of the device is not specifically refined, all the modes are theoretically feasible, and the phenomenon of material blockage and material blockage exists due to the flexible characteristic of the O-shaped sealing rings in the principle.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide an automatic screening device for O-shaped sealing rings, which is used for automatically classifying and screening the produced O-shaped sealing rings, so that the traditional manual operation is omitted, the production efficiency is improved, the productivity is liberated, and compared with the prior art, the automatic screening device for O-shaped sealing rings is more stable in structure and higher in efficiency; the invention further provides a using method of the automatic screening device for the O-shaped sealing ring.

In order to achieve the purpose, the technical scheme of the invention is as follows: the utility model provides a O type sealing washer autofilter device which characterized in that: including the conveyer belt that is used for carrying O type sealing washer, be used for carrying out the thickness screening mechanism that sieves and be used for carrying out the width screening mechanism that sieves to O type sealing washer external diameter, the conveyer belt passes through support fixed connection on the workstation, and thickness screening mechanism and width screening mechanism all install the lateral part at the conveyer belt, and thickness screening mechanism is located the place ahead of width screening mechanism, and O type sealing washer is placed on the conveyer belt, and the conveyer belt motion transmits O type sealing washer, and O type sealing washer loops through thickness screening mechanism and width screening mechanism.

Further, the sieving mechanism still includes that the box is collected to the required article that is used for collecting required specification O type sealing washer and is used for collecting the row that is not conform to the O type sealing washer of collecting the specification and collect the box, and the required article is collected the box and is installed in the discharge gate department of drive belt tip, arranges that the material is collected the box and is installed in drive belt the place ahead intermediate position.

Further, thickness screening mechanism includes connecting seat, driving motor and screening runner, and driving motor installs on the connecting seat, and the pivot of screening runner and driving motor's output shaft, connecting seat are connected on the bed frame, and the connecting seat position is adjustable from top to bottom.

Further, thickness screening mechanism still includes the fixed plate, be used for adjusting the straight line module of connecting seat position height, high servo motor, fixed plate fixed connection is on the bed frame, straight line module fixed connection is on the fixed plate, high servo motor installs in straight line module top, high servo motor's output shaft and straight line module are connected, connecting seat fixed connection keeps away from high servo motor's one end on the straight line module, high servo motor rotates the motion of drive straight line module, the connecting seat follows straight line module motion.

Further, be equipped with the blade on the screening runner, the circumference evenly distributed of blade along the screening runner, the output shaft of shaft coupling and bearing and driving motor is passed through to the one end of pivot, and the other end and the screening runner of pivot are connected, and the edge of the one end of screening runner is kept away from to the distance of drive belt equals the thickness of required specification O type sealing washer to the blade.

Further, width screening mechanism includes bed frame, mounting panel and width striker plate, and bed frame fixed mounting is on the workstation, and the upper portion fixed connection of mounting panel is on the bed frame, and width striker plate sliding connection adjusts the position of width striker plate on the mounting panel in the bottom of mounting panel, and the minimum distance of width striker plate to conveyer belt edge equals the width of required specification O type sealing washer.

Further, width screening mechanism still includes width servo motor, linear guide, ball screw and screw nut, linear guide sets up the top at the width striker plate, the bottom of mounting panel is equipped with the slider, the width striker plate passes through linear guide and slider cooperation sliding connection on the mounting panel, screw nut fixed connection is at the intermediate position at width striker plate top, width servo motor fixed connection is at the lower rear intermediate position of mounting panel, shaft coupling and width servo motor's output shaft is passed through to ball screw's one end, ball screw's the other end and screw nut cooperation.

Further, the width screening mechanism further comprises a vertical air blowing device, the vertical air blowing device is fixedly connected to the right front end above the mounting plate, the vertical air blowing device comprises an air source, an air blowing port and a supporting frame, one end of the supporting frame is connected to the mounting plate, the air blowing port is installed at the other end of the supporting frame, the air blowing port is located right above the edge of one side of the mounting plate, and the air blowing port is connected with the air source through an air guide pipe.

Further, the width screening mechanism further comprises a horizontal air blowing device, the horizontal air blowing device is fixedly connected to the front end of the right side of the width baffle plate, the horizontal air blowing device comprises an installation block, a T-shaped block, a spring plunger pin, a hand-operated adjusting screw, an L-shaped connecting plate and a flat air blowing nozzle, the installation block is fixedly connected to the width baffle plate, the T-shaped block is slidably connected to the installation block, the spring plunger pin is symmetrically arranged on two sides of the installation block, the lower end of the spring plunger pin is fixedly connected to the installation block, the upper end of the spring plunger pin abuts against the T-shaped block, one end of the L-shaped connecting plate is fixedly connected to the T-shaped block, the flat air blowing nozzle is fixedly connected to the other end of the L-shaped connecting plate, the hand-operated adjusting screw is located above the T-shaped block, and the hand-operated adjusting screw penetrates through the T-shaped block.

Based on the automatic screening device for the O-shaped sealing ring, the invention also relates to a using method of the automatic screening device for the O-shaped sealing ring, and the using method comprises the following steps:

step a.O, screening the outer diameter and the thickness of the sealing ring according to the set equipment screening from small to large, and adjusting a thickness screening mechanism and a width screening mechanism according to the outer diameter and the thickness parameters of the O-shaped sealing ring to be screened;

b, controlling the rotating angle of the height servo motor to adjust the screening height of the thickness screening mechanism, and enabling the connecting seat to move up and down to adjust the height of the screening rotating wheel through the height servo motor and the linear module, so that the distance from the edge of one end, away from the screening rotating wheel, of the blade to the transmission belt is equal to the thickness of the O-shaped sealing ring to be screened;

c, controlling the rotating angle of the width servo motor to adjust the screening width of the width screening mechanism, driving the ball screw to rotate through the rotation of the width servo motor, and driving the width striker plate to move in the width direction of the conveyor belt by the lead screw nut moving along the ball screw so as to enable the minimum distance from the width striker plate to the edge of the conveyor belt to be equal to the width of the O-shaped sealing ring to be screened; an air blowing opening of the vertical air blowing device is positioned right above the side edge of the conveyor belt far away from the mounting plate, and an O-shaped sealing ring which is not completely arranged on the conveyor belt when passing through the width screening mechanism is blown into the discharging and collecting box;

d, rotating an adjusting screw, wherein under the action of the spring elasticity of the spring plunger pin, the T-shaped block moves upwards or downwards relative to the mounting block to drive the L-shaped connecting plate to move upwards or downwards so as to drive the flat blowing nozzle to move upwards or downwards, and the height of the flat blowing nozzle from the conveyor belt is adjusted to be equal to the thickness of the O-shaped sealing ring to be screened;

the O-shaped sealing ring type screening method comprises the steps that e.O type sealing rings are placed on a conveyor belt, the O-shaped sealing rings move along with the conveyor belt, the O-shaped sealing rings sequentially pass through a thickness screening mechanism and a width screening mechanism, the O-shaped sealing rings cannot meet the thickness requirement when passing through the thickness screening mechanism and are removed into a material discharging and collecting box, the O-shaped sealing rings meeting the thickness requirement pass through the thickness screening mechanism through the conveyor belt to enter the width screening mechanism, outer diameter screening is conducted, the outer diameter requirement is met, the O-shaped sealing rings pass through the width screening mechanism through the conveyor belt and fall into a required product collecting box, and the O-shaped sealing rings which.

The technical scheme adopted by the invention has the advantages that:

the invention provides a set of device capable of automatically screening O-shaped sealing rings with different outer diameters and thicknesses, which can screen out the O-shaped sealing rings with required thicknesses by adopting a mode of 'servo control height limitation + runner discharging'; the method adopts a mode of servo control width limitation and blowing and discharging, and can screen out the O-shaped sealing ring with the required outer diameter; its mode that adopts belt conveyor can transport the good O type sealing washer of screening fast to collect in the box, and card material, putty phenomenon can not appear. In addition, the invention has simple structure, stability and reliability, and convenient installation and maintenance, and overcomes the defects of the prior art.

Drawings

The invention is described in further detail below with reference to the following figures and detailed description:

FIG. 1 is a schematic view of the overall structure of an automatic O-shaped seal ring screening device according to the present invention;

FIG. 2 is a schematic structural view of a thickness screening mechanism and a width screening mechanism of the present invention;

FIG. 3 is a schematic structural view of the thickness screening mechanism of the present invention;

FIG. 4 is a schematic structural view of the width sizing mechanism of the present invention;

FIG. 5 is a schematic view of the horizontal blowing device of the width sifting mechanism of the present invention.

The labels in the above figures are respectively: 1. conveyer belt, 2, height screening mechanism, 21, the fixed plate, 22, the straight line module, 23, height servo motor, 24, the connecting seat, 25, driving motor, 26, the bearing frame, 27, the pivot, 28, the screening runner, 3, width screening mechanism, 31, the bed frame, 32, the mounting panel, 33, width servo motor, 34, linear guide, 35, ball screw, 351, screw nut, 36, the width striker plate, 37, vertical gas blowing device, 38, horizontal gas blowing device, 4, the box is collected to the required article, 5, arrange the material and collect the box, 381, the installation piece, 382, T type piece, 383, spring plunger pin, 384, hand adjusting screw, 385, L type connecting plate, 386, flat blowing nozzle.

Detailed Description

In the present invention, it is to be understood that the term "length"; "Width"; "Up"; "Down"; "front"; "Back"; "left"; "Right"; "vertical"; "horizontal"; "Top"; "bottom" "inner"; "outer"; "clockwise"; "counterclockwise"; "axial"; "planar direction"; "circumferential" and the like indicate orientations or positional relationships that are based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the indicated device or element must have a particular orientation; constructed and operative in a particular orientation and therefore should not be construed as limiting the invention.

As shown in fig. 1 to 5, an automatic screening device for O-ring seals is characterized in that: including conveyer belt 1 that is used for carrying O type sealing washer, the width screening mechanism 3 that is used for carrying out the thickness screening mechanism 2 that sieves and is used for sieving the O type sealing washer external diameter to O type sealing washer thickness, conveyer belt 1 passes through support 11 fixed connection on the workstation, and thickness screening mechanism 2 and width screening mechanism 3 are all installed at the lateral part of conveyer belt 1, and thickness screening mechanism 2 is located the place ahead of width screening mechanism 3, and O type sealing washer is placed on conveyer belt 1, and O type sealing washer is transmitted in the motion of conveyer belt 1, and O type sealing washer loops through thickness screening mechanism 2 and width screening mechanism 3. The sieving mechanism still collects box 4 and is used for collecting the row material that is not conform to the O type sealing washer of collecting the specification and collects box 5 for collecting the required article that is used for collecting required specification O type sealing washer, and required article are collected box 4 and are installed in the discharge gate department of 1 tip of drive belt, arrange material and collect box 5 and install in 1 the place ahead intermediate position of drive belt for collect the O type sealing washer that is not conforming to the collection specification, gets rid of down.

Specifically, the support of conveyer belt 1 passes through screw and workstation looks fixed connection for O type sealing washer transportation, and thickness screening mechanism 2 is located the left side of width screening mechanism 3, through screw and its fixed connection for to the screening of O type sealing washer thickness, and width screening mechanism 3 is located conveyer belt 1 rear intermediate position, and it passes through screw and workstation looks fixed connection for to the screening of O type sealing washer external diameter.

The thickness screening mechanism 2 comprises a connecting seat 24, a driving motor 25 and a screening rotating wheel 28, wherein the driving motor 25 is installed on the connecting seat 24, a rotating shaft 27 of the screening rotating wheel 28 is connected with an output shaft of the driving motor 25, the connecting seat 24 is connected on a base frame 31, and the position of the connecting seat 24 is adjustable up and down.

Thickness screening mechanism 2 still includes fixed plate 21, a sharp module 22 for adjusting the height of connecting seat 24 position, high servo motor 23, fixed plate 21 fixed connection is on bed frame 31, sharp module 22 fixed connection is on fixed plate 21, high servo motor 23 is installed in sharp module 22 top, high servo motor 23's output shaft and sharp module 22 are connected, connecting seat 24 fixed connection keeps away from high servo motor 23's one end on sharp module 22, high servo motor 23 rotates the motion of drive sharp module 22, connecting seat 24 follows sharp module 22 and moves. One end of the rotating shaft 27 is connected with the output shaft of the driving motor 25 through a coupler and a bearing, the other end of the rotating shaft 27 is connected with the screening rotating wheel 28, and a bearing seat 26 for mounting the bearing is arranged on the connecting seat 24.

Specifically, the rear end of fixed plate 21 passes through screw fixed connection on width screening mechanism 3, and screw fixed connection is passed through with sharp module 22 rear end to its front end, sharp module 22 front end pass through screw and the bottom fixed connection of connecting seat 24, high servo motor 23 be located sharp module 22's top, through screw and its fixed connection, driving motor 25 be located the left side of connecting seat 24, through screw and its fixed connection, bearing frame 26 is located the right side of connecting seat 24, through screw and its fixed connection, pivot 27 left end passes through shaft coupling and driving motor 25's output end fixed connection, its right-hand member passes through screw and screening runner 28 looks fixed connection, screening runner 28 is used for the screening to O type sealing washer thickness.

The screening rotor 28 is provided with vanes 281, which vanes 281 are evenly distributed along the circumference of the screening rotor 28. The detachable connection of blade 281 is on screening runner 28, is equipped with the draw-in groove that is used for connecting blade 281 on the screening runner 28, and blade 281 closely pegs graft in the draw-in groove, makes connecting seat 24 reciprocate through height servo motor 23 and sharp module 22 and adjusts the height of screening runner 28, and the edge that makes blade 281 keep away from the one end of screening runner 28 equals the thickness of required specification O type sealing washer to the distance of drive belt 1.

The rotating speed of the driving motor 25 is above 1000r/min, and the blades 281 rotate along with the screening rotating wheel 28 to form a cylinder shape due to the high rotating speed, so that the O-shaped sealing ring with the thickness larger than the O-shaped sealing ring with the required specification can be prevented from passing through the thickness screening mechanism. And the driving motor 25 rotates anticlockwise, so that the rotation direction of the screening rotating wheel 28 is opposite to the movement direction of the conveyor belt 1, and thus the blades 281 rotate along with the screening rotating wheel 28 to break up the accumulated O-shaped sealing rings, so as to avoid material blockage and further push the O-shaped sealing rings which do not meet the required specification to be discharged into the discharging and collecting box 5.

Preferably, the vanes 281 are made of plastic or nylon material, so as to prevent the vanes with higher hardness from damaging the surface of the O-ring. The vanes 281 can be detachably connected on the screening runner 28, and when the vanes 281 are worn after long-time use, only the worn vanes are replaced without replacing the whole screening runner. The arrangement of the blade structure of the screening runner can reduce the weight and the manufacturing precision of the screening runner.

The width screening mechanism 3 comprises a base frame 31, a mounting plate 32 and a width baffle plate 36, wherein the base frame 31 is fixedly mounted on a workbench, the upper part of the mounting plate 32 is fixedly connected onto the base frame 31, the width baffle plate 36 is slidably connected to the bottom of the mounting plate 32, the width baffle plate 36 is of a circular arc-shaped structure, the position of the width baffle plate 36 on the mounting plate 32 is adjusted, the width baffle plate 36 slides along the mounting plate 32, and the minimum distance from the width baffle plate 36 to the edge of the conveyor belt 1 is equal to the width of an O-shaped sealing ring with the required specification.

Width screening mechanism 3 still includes width servo motor 33, linear guide 34, ball screw 35 and screw nut 351, linear guide 34 sets up the top at width striker plate 36, the bottom of mounting panel 32 is equipped with slider 341, width striker plate 36 passes through linear guide 34 and slider 341 cooperation sliding connection on mounting panel 32, screw nut 351 fixed connection is at the intermediate position at width striker plate 36 top, width servo motor 33 fixed connection is at the lower rear intermediate position of mounting panel 32, the output shaft of shaft coupling and width servo motor 33 is passed through to ball screw 35's one end, ball screw 35's the other end and the cooperation of screw nut 351.

Specifically, the upper portion of mounting panel 32 is through screw and base 31 fixed connection, width servo motor 33 be located the lower rear intermediate position of mounting panel 32, through screw and mounting panel 32 fixed connection, linear guide 34 have two sets ofly, be located the below both ends of mounting panel 32, its slider passes through screw and mounting panel 32 fixed connection, its guide rail passes through screw and width striker plate 36 top fixed connection, ball 35 be located the intermediate position between mounting panel 32 and the width striker plate 36, its lead screw nut 35 passes through nut seat 351 and mounting panel 32 fixed connection, its lead screw 352 passes through shaft coupling and width servo motor 33's output shaft looks fixed connection.

The width screening mechanism 3 further comprises a vertical air blowing device 37, wherein the vertical air blowing device 37 is fixedly connected to the right front end above the mounting plate 32 and fixedly connected with the mounting plate 32 through screws, and is used for discharging O-shaped sealing rings with the outer diameters larger than the set width into a discharging and collecting box 5 in an air blowing mode.

Vertical gas blowing device 37 includes the air supply, gas hole 371 and support frame 372, the one end of support frame 372 is connected on mounting panel 32, gas hole 371 passes through the air duct and is connected with the air supply, gas hole 371 installs the other end at support frame 372, gas hole 371 is located conveyer belt 1 and keeps away from the side edge of mounting panel 32 directly over, the O type sealing washer that will not totally on conveyer belt 1 when screening the mechanism through the width blows and falls to arrange the material and collect box 5, avoid having the O type sealing washer that is not conform to required specification in collecting box 4 through getting into the required article.

The width screening mechanism 3 further comprises a horizontal air blowing device 38, the horizontal air blowing device 38 is fixedly connected to the front position of the right side of the width material baffle plate 36, and is fixedly connected with the width material baffle plate 36 through screws, so that the thickness of the O-shaped sealing ring is further screened, namely the thickness of the O-shaped sealing ring is larger than a set value and is blown into the discharging and collecting box 5.

The horizontal air blowing device 38 comprises a mounting block 381, a T-shaped block 382, a spring plunger pin 383, hand-screw adjusting screws 384, an L-shaped connecting plate 385 and flat air blowing nozzles 386, wherein the mounting block 381 is fixedly connected to the width baffle plate 36, the T-shaped block 382 is slidably connected to the mounting block 381, the spring plunger pins 383 are symmetrically arranged on two sides of the mounting block 381, the lower end of the spring plunger pin 383 is fixedly connected to the mounting block 381, the upper end of the spring plunger pin 383 abuts against the T-shaped block 382, one end of the L-shaped connecting plate 385 is fixedly connected to the T-shaped block 382, the flat air blowing nozzles 386 are fixedly connected to the other end of the L-shaped connecting plate 385, the hand-screw adjusting screws 384 are located above the T-shaped block 382, the hand-screw adjusting screws 384 penetrate through the T-shaped block 382 to be connected with the mounting block 381 through a thread pair, the hand-screw adjusting screws 384 are screwed, the spring plunger pins 383 are contracted, the T-shaped block 382 moves downwards relative to, thereby driving the flat blowing nozzle 386 to move downwards; the hand-screw adjusting screw 384 is unscrewed, the spring plunger pin 383 moves upwards relative to the mounting block 381 under the action of the spring force, the L-shaped connecting plate 385 is driven to move upwards, the flat blowing nozzle 386 is driven to move upwards, and the hand-screw adjusting screw 384 is used for adjusting the height of the flat blowing nozzle 386.

The height of the flat air blowing nozzle 386 from the conveyor belt is adjusted to be equal to the thickness of the O-shaped sealing ring to be screened, the O-shaped sealing ring passing through the thickness screening mechanism 2 and the width screening mechanism 3 in an overlapped mode is prevented from having a sealing ring which is not in line with the required specification, if the O-shaped sealing ring passes through the thickness screening mechanism 2 and the width screening mechanism 3 in an overlapped mode, the O-shaped sealing ring at the lowest layer is in line with the required specification, the O-shaped sealing ring above the lowest layer possibly meets the required specification or does not meet the required specification, therefore, the height of the flat air blowing nozzle 386 from the conveyor belt is adjusted to be the thickness of the O-shaped sealing ring to be screened, the O-shaped sealing ring above the lowest layer can be blown down into the discharging collecting box 5 by the flat air blowing nozzle 386, and the O-shaped sealing ring which is not in line with the required.

Based on the automatic screening device for the O-shaped sealing ring, the invention also relates to a using method of the automatic screening device for the O-shaped sealing ring, and the using method comprises the following steps:

step a.O, screening the outer diameter and the thickness of the sealing ring according to the set equipment screening from small to large, and adjusting the thickness screening mechanism 2 and the width screening mechanism 3 according to the outer diameter and the thickness parameters of the O-shaped sealing ring to be screened;

b, controlling the rotation angle of the height servo motor 23 to adjust the screening height of the thickness screening mechanism, and enabling the connecting seat 24 to move up and down to adjust the height of the screening rotating wheel 28 through the height servo motor 23 and the linear module 22, so that the distance from the edge of one end, away from the screening rotating wheel 28, of the blade 281 to the transmission belt 1 is equal to the thickness of the O-shaped sealing ring to be screened;

c, controlling the rotating angle of the width servo motor 33 to adjust the screening width of the width screening mechanism, driving the ball screw 35 to rotate through the rotation of the width servo motor 33, and driving the width baffle plate 36 to move in the width direction of the conveyor belt 1 by the movement of the screw nut 351 along the ball screw 35, so that the minimum distance from the width baffle plate 36 to the edge of the conveyor belt 1 is equal to the width of the O-shaped sealing ring to be screened; the air blowing opening 371 of the vertical air blowing device 37 is positioned right above the side edge of the conveyor belt 1 far away from the mounting plate 32, and blows the O-shaped sealing ring which is not completely on the conveyor belt 1 when passing through the width screening mechanism into the discharging and collecting box 5;

step d, rotating an adjusting screw 384, wherein under the action of spring force of a spring plunger pin 383, a T-shaped block 382 moves upwards or downwards relative to an installation block 381 to drive an L-shaped connecting plate 385 to move upwards or downwards so as to drive a flat air blowing nozzle 386 to move upwards or downwards, and the height of the flat air blowing nozzle 386 from a conveyor belt is adjusted to be equal to the thickness of an O-shaped sealing ring to be screened;

the O-shaped sealing ring of step e.O is placed on conveyer belt 1, the O-shaped sealing ring follows conveyer belt 1 and moves, the O-shaped sealing ring loops through thickness screening mechanism 2 and width screening mechanism 3, unsatisfied thickness requirement when passing through thickness screening mechanism 2, get rid of to arrange the material and collect box 5, the O-shaped sealing ring that satisfies the thickness requirement passes through thickness screening mechanism 2 through conveyer belt 1 and gets into width screening mechanism 3, carry out the external diameter screening, satisfy the external diameter requirement, pass through width screening mechanism 3 through the conveyer belt, fall into requirement collection box 4, unsatisfied being arranged material of external diameter requirement and collecting box 5 in arranging the material.

The invention provides a set of device capable of automatically screening O-shaped sealing rings with different outer diameters and thicknesses, which can screen out the O-shaped sealing rings with required thicknesses by adopting a mode of 'servo control height limitation + runner discharging'; the method adopts a mode of servo control width limitation and blowing and discharging, and can screen out the O-shaped sealing ring with the required outer diameter; its mode that adopts belt conveyor can transport the good O type sealing washer of screening fast to collect in the box, and card material, putty phenomenon can not appear. In addition, the invention has simple structure, stability and reliability, and convenient installation and maintenance, and overcomes the defects of the prior art.

The invention is described above with reference to the accompanying drawings, it is obvious that the specific implementation of the invention is not limited by the above-mentioned manner, and it is within the scope of the invention to adopt various insubstantial modifications of the technical solution of the invention or to apply the concept and technical solution of the invention directly to other occasions without modification.