CN112975324A

CN112975324A - Bearing ball quantitative feeding equipment

Info

Publication number: CN112975324A
Application number: CN202110238495.1A
Authority: CN
Inventors: 王雪飞
Original assignee: Huzhou Taineng Iot Technology Co ltd
Current assignee: Huzhou Taineng Iot Technology Co ltd
Priority date: 2021-03-04
Filing date: 2021-03-04
Publication date: 2021-06-18

Abstract

The invention relates to quantitative feeding equipment for bearing balls, which comprises a first support, a screening device and a discharging device, wherein the screening device comprises a material box, a first screening plate is arranged in the material box, the lower part of the material box is connected with a material distributing device through a discharging device, a second screening plate is arranged in the material distributing device, and a first material distributing channel of the material distributing device is connected with the discharging device; the material box and the first support form a crank block type connecting mechanism; the blanking device comprises a discharge disc, a discharge channel is arranged on the discharge disc, and the discharge disc is rotatably arranged in a discharge disc bracket; a gap is arranged on the discharging disc bracket, and a discharging plate is rotatably arranged in the gap; when the discharging disc rotates, the bearing balls in the discharging channel can rotate along the discharging plate to roll. The invention has convenient control, can discharge materials efficiently, orderly and quantitatively, and can effectively prevent vibration blockage.

Description

Bearing ball quantitative feeding equipment

The technical field is as follows:

the invention relates to the technical field of bearing bead production, in particular to quantitative bearing bead feeding equipment.

Background art:

a rolling bearing is a precise mechanical element that reduces friction loss by changing sliding friction between a running shaft and a shaft seat into rolling friction. The rolling bearing is generally composed of an inner ring, an outer ring, balls and a retainer, wherein the balls are distributed between the inner ring and the outer ring, and the shape, size and number of the balls directly influence the service performance and service life of the rolling bearing. When the steel balls are manufactured, the steel balls with the same specification need to be used, the steel balls with different sizes are easily mixed together due to the fact that the number of the steel balls is large, the steel balls need to be screened, if manual screening is conducted, efficiency is low, mistakes are easily made in the screening process, workload is increased, and production cost of enterprises is increased. Meanwhile, no matter the bearing assembly or the bulk material bottling is carried out, the number of the bearing balls needs to be controlled, the increase of enterprise cost caused by the excessive number of the bearing balls is avoided, and hidden dangers exist in the performance of the bearing caused by the too small number of the bearing balls.

The invention content is as follows:

the invention aims to provide quantitative feeding equipment for bearing balls aiming at the defects in the prior art, so as to at least solve one of the technical problems in the prior art; bearing pearl ration feeding equipment control is convenient, not only can be high-efficient, orderly, the ration carry out the ejection of compact, can effectively prevent to vibrate moreover and block up.

The technical solution of the invention is as follows:

a bearing ball quantitative feeding device comprises a first support, a screening device and a discharging device, wherein the screening device comprises a material box, a first screening plate is arranged in the material box, the lower part of the material box is connected with a material distributing device through a discharging device, a second screening plate is arranged in the material distributing device, and a first material distributing channel of the material distributing device is connected with the discharging device; the material box and the first support form a crank block type connecting mechanism; the blanking device comprises a discharging disc, the discharging disc is rotatably arranged in a discharging disc bracket, a hexagonal rotating wheel is rotatably arranged between the discharging disc and the discharging disc bracket, and the hexagonal rotating wheel is provided with a vertex angle; the discharging disc is provided with discharging channels in a ring mode, and the discharging channels are opposite to the vertex angles one by one; a photoelectric sensor is arranged above the discharging channel opposite to the material distributing device; a notch is formed in the discharging disc support, a convex block is arranged at the bottom of the right side of the notch, a sliding groove block is arranged in the middle of the notch, a sliding rod is assembled in the sliding groove block in a sliding mode, the left end of the sliding rod is in contact with the hexagonal rotating wheel, and a first spring is arranged between the left end of the sliding rod and the sliding groove block; the slide bar right-hand member touches with the dwang mutually, and the dwang rotates to be connected in the breach, and the dwang lower extreme touches with the slide of sliding assembly in the breach mutually, has installed the second spring between slide and the lug, the dwang upper end touches with unloading board, unloading board left end rotates to be connected in the breach.

Preferably, the screening device comprises a first support and a second support, a third transmission wheel is rotatably assembled at the upper end of a support of the first support, a cross rod is arranged on the circumference of the third transmission wheel, the cross rod is rotatably connected with the top of the material box, cylindrical rods are arranged on two sides of the lower part of the material box, the cylindrical rods are rotatably connected in a second sliding block, and the second sliding block is slidably assembled in a second sliding groove in the lower part of the support; and the third transmission wheel is connected with a first transmission wheel on an output shaft of the second motor through a first transmission belt.

Preferably, the bottom of the material box is provided with a feed opening, the feed opening is opposite to a discharge opening of the discharge device, the lower part of the discharge opening is in through connection with a discharge channel, the discharge device is obliquely arranged on the first support and the second support, and the discharge channel is connected with a notch of the material distribution device.

Preferably, the distributing device is arranged on the cross bar of the second support and comprises a first distributing channel and a second distributing channel, the upper end of the first distributing channel is connected with the second screening plate, the lower end of the first distributing channel is connected with the blanking device, and the first distributing channel is provided with a trapezoidal block; the second material distribution channel is positioned below the second screening plate, and the lower end of the second screening plate is connected with the waste bin; the second screening plate includes a second screening aperture and an arcuate chute.

Preferably, a second motor is arranged on the second support, and a second driving wheel is arranged on an output shaft of the second motor; the second support is provided with a through hole and a cross bar, the second support is provided with a rotating shaft, the rotating shaft is provided with a fourth driving wheel and a rotating wheel, the rotating wheel is provided with blades, and the rotating wheel is opposite to the second screening holes one by one; the fourth driving wheel is correspondingly connected with the second driving wheel through a second driving belt.

Preferably, the lower part of the discharging disc support is provided with a support column, the middle part of the discharging disc support is provided with a circular groove, the hexagonal rotating wheel is arranged in the circular groove (4041), a first motor is arranged below the discharging disc support, and an output shaft of the first motor penetrates through the bottom of the discharging disc support to be connected with the hexagonal rotating wheel and a motor connecting part of the discharging disc.

Preferably, the discharging disc support comprises a sinking groove, the sinking groove is low in center and high in edge, the structure of the discharging disc is matched with the sinking groove, and the bottom of the discharging disc is attached to the surface of the sinking groove; an arc-shaped baffle is arranged between the discharging channels.

Preferably, the first screening plate is provided with a first screening hole; the first screening plate can be fixedly arranged in the feed box or movably assembled in the feed box.

Preferably, the movable assembly structure of the bin and the first screening plate comprises a first sliding block, and an arc-shaped hole is formed in the first sliding block; the first sliding block is assembled in a first sliding groove on the bracket in a sliding mode, and a third spring is arranged between the first sliding block and a stop block on the bracket.

Preferably, the first screening plate comprises a vertical plate and a cylindrical rod, the vertical plate is attached to the inner side wall of the material box, and the cylindrical rod penetrates through the strip-shaped holes in the two sides of the material box and is slidably connected to the arc-shaped holes of the first sliding blocks.

The invention has the beneficial effects that:

the invention comprises a screening device and a blanking device, wherein the screening device is connected with the blanking device, bearing balls with qualified sizes are screened out through the screening device, and then the bearing balls with a set number are conveyed to the next production process through the blanking device, so that unnecessary time waste between the screening process and the quantitative feeding process is avoided, and the production efficiency is improved.

The screening device comprises a screening device, the screening device comprises a material box, the top of the material box is rotatably connected to the circumferential part of a third driving wheel, the bottom of the material box is slidably connected into a second chute through a second sliding block 24, the second driving wheel and the third driving wheel can be driven to rotate through a second motor, so that the whole material box is in crank sliding block type motion, the material box can vibrate up and down and can swing in the left and right directions simultaneously in the motion process, bearing balls at the bottom of the material box can incline during swinging, discharging is carried out through the swinging mode, and the bearing balls can be effectively prevented from being accumulated and blocked in the material box.

The bearing bead screening device comprises a first screening plate and a second screening plate, wherein oversized bearing beads can be screened and separated through the first screening plate, and undersized bearing beads can be screened and separated through the second screening plate, so that the screening effect is good; when first screening board and workbin activity assembly, but relative vibration between first screening board and the workbin, the elastic strength through controlling third spring and fourth spring is different, can control the vibration frequency between first screening board and the workbin and keep different, improves the vibration screening effect of first screening board.

The automatic discharging device comprises a discharging device, wherein the discharging device is inclined, so that a bearing ball can automatically fall under the action of gravity, and the automatic discharging device is simple and efficient; the discharging device is provided with a discharging channel for only allowing a single bearing ball to pass through, so that the bearing balls conveyed to the second screening plate are arranged in order in a single row; the discharging opening is V-shaped with a large upper part and a small lower part, the bottom of the feeding box provides sufficient movement space, and bearing balls can be prevented from being thrown out of the discharging device.

The ball bearing sorting device comprises a rotating wheel, wherein blades are arranged on the rotating wheel, bearing balls with unqualified sizes on a second screening plate can be pressed into a second separation slideway through the rotation of the blades, and the bearing balls with qualified sizes are pushed into a first separation slideway, so that the screening efficiency is improved; and the second screening plate is provided with an arc-shaped slideway, so that the bearing balls can roll conveniently.

The material box conveying device comprises a first driving wheel, a second driving wheel, a third driving wheel and a fourth driving wheel, wherein the swinging speed of the material box can be controlled to be adapted to the rotating speed of the rotating wheel by controlling the size ratio among the driving wheels, so that bearing balls on a second screening plate can be orderly conveyed to a first separation slideway through the rotating wheel.

The ball bearing device comprises a discharge disc, wherein a discharge channel and an arc-shaped baffle are arranged on the discharge disc, the number of bearing balls discharged at a single time can be directly and effectively controlled by controlling the size of the discharge channel, and the bearing balls in a first separation slide way can be prevented from falling off by the arc-shaped baffle when the discharge disc rotates. The hexagonal runner has been installed to ejection of compact dish bottom, combines slide bar, dwang, unloading board and spring, can carry out the material loading in ejection of compact dish one side, and the opposite side carries out automatic unloading, improve the whole production efficiency of equipment.

The feeding device comprises a notch, wherein a blanking plate is rotatably connected in the notch, the width dimension of the blanking plate is larger than that of a discharging channel, when the discharging channel rotates to the position above the notch, the bottom of a bearing bead in the discharging channel is connected with the blanking plate, and when the discharging channel rotates to the innermost end of the notch, namely, when a vertex angle below the discharging channel rotates to the notch, a sliding rod is ejected outwards, and a rotating rod is driven to rotate, the blanking plate rotates under the action of gravity, and meanwhile, the bearing bead rolls downwards along the blanking plate to finish discharging; in the discharging process, the bearing beads are always connected with the discharging plate, so that the bearing beads are prevented from falling in the discharging process, and the surface abrasion and even sinking are avoided.

Description of the drawings:

the invention is further described below with reference to the accompanying drawings:

fig. 1 is a schematic structural view of the integral assembly of the present invention.

Fig. 2 is a front cross-sectional schematic view of a screening apparatus of the present invention.

Fig. 3 is an assembly schematic of the blanking device of the present invention.

Fig. 4 is a partial sectional view of the connecting structure at the notch of the blanking device according to the present invention.

Figure 5 is a schematic view in partial cross-section of the bin in connection with the bracket when the first screen plate of the invention is fixedly mounted in the bin.

Figure 6 is a schematic view in partial cross-section of the bin in connection with the bracket when the first screen plate of the invention is movably mounted in the bin.

Fig. 7 is an assembly schematic of the feed divider of the present invention.

Fig. 8 is a partial cross-sectional view of the first screen plate and hopper connecting structure of the present invention.

In the figure: the device comprises a first support 1, a support 101, a first chute 102, a stop 103, a second chute 104, a second support 2, a through hole 201, a cross bar 202, a waste bin 3, a blanking device 4, a first motor 401, a discharging tray 402, a discharging channel 4021, an arc-shaped baffle 4022, a motor connecting part 4023, a hexagonal rotating wheel 403, a vertex angle 4031, a discharging tray support 404, a circular groove 4041, a sinking groove 4042, a notch 4043, a strut 4044, a blanking plate 405, an arc-shaped groove 4051, a rotating rod 406, a bump 407, a sliding plate 408, a sliding rod 409, a sliding groove block 4010, a first spring 4011, a second spring 4012, an inductor support 5, a photoelectric inductor 6, a material distributing device 7, a notch 701, a first material distributing channel 702, a second material distributing channel 703, a trapezoidal block 8, a bin 9, a blanking opening 901, a strip-shaped hole 902, a cylindrical rod 903, a first transmission wheel 10, a second transmission wheel 11, a third transmission wheel 12, a cross bar 1201, a fourth transmission wheel 13, the device comprises a first transmission belt 15, a second transmission belt 16, a discharging device 17, a discharging opening 1701, a discharging channel 1702, a first screening plate 18, a first screening hole 1801, a vertical plate 1802, a cylindrical rod 1803, a rotating shaft 19, a rotating wheel 20, blades 2001, a second screening plate 21, a second screening hole 2101, an arc-shaped slide way 2102, a third spring 22, a first slide block 23, an arc-shaped hole 2301, a second slide block 24 and a fourth spring 25.

The specific implementation mode is as follows:

the following description is of the preferred embodiment of the present invention only, and is not intended to limit the scope of the present invention, and it will be apparent to those skilled in the art that various modifications and variations can be made in the present invention; any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

In addition, references to the terms "vertical," "horizontal," "top," "bottom," "front," "back," "upper," "lower," "inner," "outer," and the like in embodiments of the invention are based on the orientation or positional relationship shown in FIG. 1, or the orientation or positional relationship in which the product is conventionally used, for convenience in describing and simplifying the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, terms such as "mounted," "connected," and "fixed" in the description are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; either directly or indirectly through intervening media, or through both elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

A bearing ball quantitative feeding device is shown in figures 1 to 8 and comprises a screening device and a blanking device 4; the screening device comprises a feed box 9, a first screening plate 18 is arranged in the feed box 9, the lower part of the feed box 9 is connected with a material distribution device 7 through a discharge device 17, a second screening plate 21 is arranged in the material distribution device 7, and a first material distribution channel 702 of the material distribution device 7 is connected with a blanking device 4; the feed box 9 is movably connected to the first support 1, and the feed box 9 can vibrate or swing; the blanking device 4 comprises a discharge disc 402, the discharge disc 402 is rotatably arranged in a discharge disc bracket 404, a hexagonal rotating wheel 403 is rotatably arranged between the discharge disc 402 and the discharge disc bracket 404, the hexagonal rotating wheel 403 is provided with a vertex angle 4031, and an arc-shaped groove is arranged between the vertex angles 4031; the discharging disc 402 is provided with discharging channels 4021 in a ring manner, and the discharging channels 4021 are opposite to the vertex angles 4031 one by one; a photoelectric sensor 6 is arranged above the discharging channel 4021 opposite to the material distributing device 7; a notch 4043 is formed in the discharging disc support 404, a convex block 407 is arranged at the bottom of the right side of the notch 4043, a sliding groove block 4010 is arranged in the middle of the notch 4043, a sliding rod 409 is assembled in the sliding groove block 4010 in a sliding manner, the left end of the sliding rod 409 is in contact with the hexagonal rotating wheel 403, and a first spring 4011 is arranged between the left end of the sliding rod 409 and the sliding groove block 4010; the slide bar 409 right-hand member touches with dwang 406, and dwang 406 rotates and connects in breach 4043, and dwang 406 lower extreme touches with slide 408 of sliding assembly in breach 4043, has installed second spring 4012 between slide 408 and the lug 407, dwang 406 upper end touches with lower feed plate 405, lower feed plate 405 left end rotates and connects in breach 4043.

As a preferable scheme, the photoelectric sensor 6 is mounted on the sensor support 5, the sensor support 5 is mounted at the intersection of the discharging tray support 404 and the first material distribution channel 702, the photoelectric sensor 6 is used for detecting whether the discharging channel 4021 at the first material distribution channel 702 is filled with bearing balls, and the connection, control and corresponding using methods of the photoelectric sensor 6 are common contents, belong to common knowledge, and can be fully understood by a person skilled in the art in combination with the contents of the present invention, so that the detailed description is not given here, and are not shown in the drawings.

In a further preferable embodiment, the width of the blanking plate 405 is greater than the width of the discharging channel 4021, and the sliding rod 409 points to the center of the rotation circle of the discharging tray 402 and is opposite to the discharging channel 4021 at the joint of the first material distributing channel 702. When one of the discharging channels 4021 is connected with the first distributing channel 702, the vertex 4031 of the hexagonal runner 403 below the discharging channel 4021 opposite to the vertex 4031 is contacted with the left end of the sliding rod 409 to push the sliding rod 409 to slide outwards integrally, so as to drive the rotating rod 406 and the discharging plate 405 to rotate to form a downward slope, thereby ensuring that the bearing balls can roll and discharge smoothly along the slope, and preventing the material from falling.

Still further preferably, in an embodiment, the rotation connecting portion between the rotating rod 406 and the discharging tray support 404 is close to the lower end of the rotating rod 406, i.e. the end contacting with the sliding rod 409, and is far away from the upper end of the rotating rod 406, and when the sliding rod 409 pushes the lower end of the rotating rod 406 to rotate by a small displacement, the upper end of the rotating rod 406 can rotate by a large displacement, so that the discharging plate 405 can realize a quick turning motion. An arc-shaped groove 4051 is formed in the position, close to the sliding rod 409, of the blanking plate 405, and the bearing balls can roll down in a single-row and orderly manner through the arc-shaped groove 4051; meanwhile, the arc-shaped groove 4051 can be provided with an elastic membrane, so that abrasion and depression caused by the fact that the bearing balls fall to the blanking plate 405 when equipment fails are avoided.

Preferably, the screening device comprises a first support 1 and a second support 2, the upper end of a bracket 101 of the first support 1 is rotatably assembled with a third driving wheel 12, the circumference of the third driving wheel 12 is provided with a cross bar 1201, the cross bar 1201 is rotatably connected with the top of a bin 9, two sides of the lower part of the bin 9 are provided with cylindrical rods 903, the cylindrical rods 903 are rotatably connected in second sliding blocks 24, and the second sliding blocks 24 are slidably assembled in second sliding chutes 104 at the lower part of the bracket 101; the third transmission wheel 12 is connected with the first transmission wheel 10 on the output shaft of the second motor 14 through a first transmission belt 15.

Further preferably, in the embodiment, the first support 1 and the second support 2 are both of an axisymmetric structure, and the cross bar 1201 is disposed between two opposite third transmission wheels 12.

Preferably, the bottom of the material box 9 is provided with a feed opening 901, the feed opening 901 is opposite to a feed opening 1701 of the feed device 17, the lower part of the feed opening 1701 is connected with a feed channel 1702 in a penetrating way, the feed device 17 is obliquely arranged on the first support 1 and the second support 2, and the feed channel 1702 is connected with the notch 701 of the feed device 7.

Further preferably, in the embodiment, the bottom of the material box 9 is provided with a hopper-shaped inclined opening with a large top and a small bottom, so that when the material box 9 swings, the bearing balls accumulated at the bottom can be inclined and turned over, and accumulation and blockage are avoided; the discharge opening 1701 is a bucket-shaped structure with a large upper part and a small lower part, and guides falling bearing balls while providing sufficient movement space for the discharge opening 901; the single discharging channel 1702 can only accommodate the rolling of a single row of bearing balls, the bottom of the discharging channel 1702 corresponds to the second screening holes 2101 on the second screening plate 21, the number of the discharging channels 1702 in the discharging device 17 is adapted to the second screening holes 2101 on the second screening plate 21, for example, in the embodiment, a 4-channel design is adopted, four groups of screening can be simultaneously performed, and the screening efficiency is high; still further, the bottom of the discharge opening 1701 is provided with an elastic member to prevent the bearing balls from being worn and dented when falling.

As a preferable scheme, the material distributing device 7 is arranged on the cross bar 202 of the second support 2 and comprises a first material distributing channel 702 and a second material distributing channel 703, the upper end of the first material distributing channel 702 is connected with the second screening plate 21, the lower end of the first material distributing channel 702 is connected with the blanking device 4, and the first material distributing channel 702 is provided with a trapezoidal block 8; the second material distribution channel 703 is positioned below the second screening plate 21, and the lower end of the second screening plate 21 is connected with the waste bin 3; the second screening plate 21 includes a second screening aperture 2101 and an arcuate slide 2102.

Further preferably, in the embodiment, the second screening hole 2101 is elongated, so that the contact time between the bearing bead and the second screening hole 2101 is increased, and the screening accuracy is improved; the size of the arc-shaped slide way 2102 is matched with that of qualified bearing balls, so that the bearing balls can roll conveniently; the bearing balls rolling on the first distributing channel 702 can be arranged in a single row through the trapezoid blocks 8, and are conveniently connected with the blanking device 4.

As a preferable scheme, a second motor 14 is arranged on the second support 2, and a second driving wheel 11 is arranged on an output shaft of the second motor 14; the second support 2 is provided with a through hole 201 and a cross bar 202, the second support 2 is provided with a rotating shaft 19, the rotating shaft 19 is provided with a fourth driving wheel 13 and a rotating wheel 20, the rotating wheel 20 is provided with blades 2001, and the rotating wheels 20 are opposite to the second screening holes 2101 one by one; the fourth transmission wheel 13 is correspondingly connected with the second transmission wheel 11 through a second transmission belt 16.

Further preferably, in the embodiment, the upper end of the second transmission belt 16 is connected to the second transmission wheel 11, and the lower end thereof is inserted through the through hole 201 and connected to the fourth transmission wheel 13; the lower end of the blade 2001 penetrates through the second screening hole 2101, in the process of rotating the blade 2001, a downward force is firstly applied to the bearing balls, if the bearing balls are too small in size, the bearing balls fall to the second material distribution channel 703 under the driving of the blade 2001, and the bearing balls with qualified sizes roll to the first material distribution channel 702 along the arc-shaped slide ways 2102 under the pushing of the blade 2001; further, a cover plate may be attached to the feed divider 7 in order to prevent the blade 2001 from throwing out the bearing balls.

Preferably, a pillar 4044 is arranged at the lower part of the discharging tray support 404, a circular groove 4041 is arranged at the middle part of the discharging tray support 404, and the hexagonal rotating wheel 403 is arranged in the circular groove 4041; a first motor 401 is arranged below the discharging tray support 404, and an output shaft of the first motor 401 penetrates through the bottom of the discharging tray support 404 to be connected with the motor connecting part 4023 of the hexagonal rotating wheel 403 and the discharging tray 402.

Preferably, the discharging tray support 404 includes a sinking groove 4042, the sinking groove 4042 is low in center and high in edge, the structure of the discharging tray 402 is adapted to the sinking groove 4042, and the bottom of the discharging tray 402 is attached to the surface of the sinking groove 4042; arc-shaped baffles 4022 are arranged between the discharge channels 4021.

Further preferably, in the embodiment, a structure with a low center and a high edge is adopted, so that the bearing balls can be automatically arranged in the discharge channel 4021 of the discharge disc 402 in a single row under the action of gravity, and cannot fall outwards; the outer side of the arc-shaped baffle 4022 is attached to the opening of the first material distribution channel 702, so that bearing balls arranged in a single row on the first material distribution channel 702 can be prevented from falling outwards when the discharge disc 402 rotates.

Preferably, the first screening plate 18 is provided with a first screening hole 1801; the first screening plate 18 may be fixed in the magazine 9 or movably mounted in the magazine 9.

Further preferably, in the embodiment, the first sieving hole 1801 is a trapezoidal cylinder structure with a large upper part and a small lower part, so that the bearing balls can be conveniently guided, and in combination with the swinging motion of the material box 9, the oversized bearing balls can be effectively prevented from being clamped in the first sieving hole 1801; still further, the fixing structure of the first screening plate 18 and the bin 9 is a common content of a brushing and selecting mechanism, and belongs to the common knowledge, so that the details are not described here, and are also shown in the drawings.

Preferably, the movably assembled structure of the bin 9 and the first screening plate 18 comprises a first sliding block 23, and an arc-shaped hole 2301 is formed in the first sliding block 23; the first sliding block 23 is slidably assembled in the first sliding slot 102 of the bracket 101, and a third spring 22 is arranged between the first sliding block 23 and a stop 103 of the bracket 101.

In a further preferred embodiment, the stopper 103 is disposed at the upper end of the second sliding groove 104, and the connections between the third spring 22 and the fourth spring 25, the sliding block and the bracket are common knowledge, and therefore, detailed description thereof is omitted here.

Preferably, the first screening plate 18 includes a vertical plate 1802 and a cylindrical rod 1803, the vertical plate 1802 is fitted to the inner side wall of the material box 9, and the cylindrical rod 1803 penetrates through the strip-shaped holes 902 on both sides of the material box 9 and is slidably connected to the arc-shaped holes 2301 of the first sliding block 23.

Further preferably, in the embodiment, the vertical plates 1802 can effectively prevent the first sieve plate 18 from turning sideways, so that the first sieve plate 18 can vibrate up and down in the bin 9; the selection of the spring strength of the third and

fourth springs

22, 25 depends on the desired relative vibration frequency between the first screening plate 18 and the magazine 9, and can be determined by a person skilled in the art in connection with the actual production and the content of the invention, and will therefore not be described in more detail here.

The specific use mode is as follows:

controlling the second motor 14 to rotate, driving the first driving wheel 10 and the second driving wheel 11 on the output shaft of the second motor 14 to rotate, and further driving the third driving wheel 12 and the fourth driving wheel 13 to rotate; the third driving wheel 12 rotates to drive the material box 9 to perform crank block type motion, in the motion process of the material box 9, the first screening plate 18 vibrates up and down in the strip-shaped hole 902 of the material box 9 relative to the material box 9 to complete the first round of screening, and bearing balls smaller than or equal to qualified size are rolled onto the second screening plate 21 along the discharging opening 901, the discharging opening 1701 and the discharging channel 1702. The fourth driving wheel 13 rotates to drive the rotating wheel 20 to rotate, the blades 2001 on the rotating wheel 20 push and roll the bearing balls with undersize onto the second material distribution channel 703 to push and roll the bearing balls with qualified size onto the first material distribution channel 702, and under the action of the trapezoidal block 8, the bearing balls are orderly arranged in a single row at the lower part of the first material distribution channel 702 to complete the screening.

The bearing balls arranged in a single row in order at the lower part of the first material distribution channel 702 roll into the opposite material distribution channel 4021, when the material distribution channel 4021 is full, the photoelectric sensor 6 sends a rotation instruction to the first motor 401, the first motor 401 drives the material distribution disc 402 and the hexagonal rotating wheel 403 to rotate by a corresponding angle, and the angle is 60 degrees in the embodiment; in the rotating process, one of the discharging channels 4021 filled with bearing balls rotates to the position above the blanking plate 405, at this time, the left end of the sliding rod 409 is still positioned in the arc-shaped groove of the hexagonal runner 403, the right end of the sliding rod 409 is not contacted with the lower end of the rotating rod 406, when the sliding rod 409 rotates to 60 degrees, the left end of the sliding rod 409 is contacted with the vertex angle 4031 of the hexagonal runner 403, the right end of the sliding rod 409 pushes the rotating rod 406 to rotate, the blanking plate 405 rotates along with the rotating rod under the action of gravity, the bearing balls on the blanking plate 405 roll down along the arc-shaped groove 4051 under the action of gravity, the rolled bearing balls can be connected with a charging production line or a bearing production line, the charging production and the bearing production are mature production processes, and detailed description is not provided herein; at this time, another discharging channel 4021 opposite to the discharging channel 4021 is connected to the first distributing channel 702 again, and after the charging is completed, the another discharging channel continues to rotate, at this time, under the action of the first spring 4011 and the second spring 4012, the left end of the sliding rod 409 moves towards the arc-shaped groove of the hexagonal rotating wheel 403, and the rotating rod 406 and the discharging plate 405 rotate in a resetting manner, so that preparation is made for the next discharging.

In the description herein, references to the description of the terms "embodiment," "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. The utility model provides a bearing ball ration feeding equipment, includes first support (1), sieving mechanism and unloader (4), its characterized in that:

the screening device comprises a material box (9), a first screening plate (18) is arranged in the material box (9), the lower part of the material box (9) is connected with a material distribution device (7) through a material discharge device (17), a second screening plate (21) is arranged in the material distribution device (7), and a first material distribution channel (702) of the material distribution device (7) is connected with a material discharge device (4); the work bin (9) and the first support (1) form a crank block type connecting mechanism;

the blanking device (4) comprises a discharging disc (402), a discharging channel (4021) is arranged on the discharging disc (402), and the discharging disc (402) is rotatably arranged in a discharging disc bracket (404); a notch (4043) is arranged on the discharging disc bracket (404), and a discharging plate (405) is rotatably arranged in the notch (4043); when the discharging disc (402) rotates, the bearing balls in the discharging channel (4021) can roll along the rotating discharging plate (405).

2. The bearing ball quantitative feeding apparatus according to claim 1, wherein: the screening device comprises a first support (1) and a second support (2), wherein a third driving wheel (12) is rotatably assembled at the upper end of a bracket (101) of the first support (1); cylindrical rods (903) are arranged on two sides of the lower portion of the feed box (9), the cylindrical rods (903) are rotatably connected into a second sliding block (24), and the second sliding block (24) is assembled in a second sliding groove (104) in the lower portion of the support (101) in a sliding mode; the third transmission wheel (12) is connected with a first transmission wheel (10) on an output shaft of a second motor (14) through a first transmission belt (15).

3. The bearing ball quantitative feeding apparatus according to claim 2, wherein: the bottom of the feed box (9) is provided with a feed opening (901), the feed opening (901) is opposite to a discharge opening (1701) of the discharge device (17), the lower part of the discharge opening (1701) is in through connection with a discharge channel (1702), the discharge device (17) is obliquely arranged on the first support (1) and the second support (2), and the discharge channel (1702) is connected with a notch (701) of the distribution device (7).

4. A bearing ball quantitative feeding apparatus according to claim 3, wherein: the material distribution device (7) is arranged on the transverse bar (202) of the second support (2) and comprises a first material distribution channel (702) and a second material distribution channel (703), the upper end of the first material distribution channel (702) is connected with the second screening plate (21), the lower end of the first material distribution channel is connected with the blanking device (4), and the first material distribution channel (702) is provided with a trapezoidal block (8); the second material distribution channel (703) is positioned below the second screening plate (21), and the lower end of the second screening plate (21) is connected with the waste bin (3); the second screening plate (21) comprises a second screening aperture (2101) and an arcuate chute (2102).

5. The bearing ball quantitative feeding apparatus according to claim 4, wherein: a second motor (14) is arranged on the second support (2), and a second transmission wheel (11) is arranged on an output shaft of the second motor (14); a through hole (201) and a cross bar (202) are arranged on the second support (2), a rotating shaft (19) is arranged on the second support (2), a fourth driving wheel (13) and a rotating wheel (20) are arranged on the rotating shaft (19), blades (2001) are arranged on the rotating wheel (20), and the rotating wheel (20) is opposite to the second screening holes (2101) one by one; the fourth driving wheel (13) is correspondingly connected with the second driving wheel (11) through a second driving belt (16).

6. The bearing ball quantitative feeding apparatus according to claim 1, wherein: a hexagonal rotating wheel (403) is rotatably arranged between the discharging disc (402) and the discharging disc bracket (404), and a vertex angle (4031) is arranged on the hexagonal rotating wheel (403); the discharging channels (4021) are annularly arranged on the circumference of the discharging disc (402), and the discharging channels (4021) are opposite to the vertex angles (4031) one by one; a photoelectric sensor (6) is arranged above the discharging channel (4021) opposite to the material distributing device (7); a notch (4043) is formed in the discharging disc support (404), a convex block (407) is arranged at the bottom of the right side of the notch (4043), a sliding groove block (4010) is arranged in the middle of the notch (4043), a sliding rod (409) is assembled in the sliding groove block (4010) in a sliding mode, the left end of the sliding rod (409) is in contact with the hexagonal rotating wheel (403), and a first spring (4011) is arranged between the left end of the sliding rod (409) and the sliding groove block (4010); the right end of the sliding rod (409) is contacted with the rotating rod (406), the rotating rod (406) is rotatably connected into the notch (4043), the lower end of the rotating rod (406) is contacted with the sliding plate (408) which is slidably assembled in the notch (4043), a second spring (4012) is arranged between the sliding plate (408) and the bump (407), the upper end of the rotating rod (406) is contacted with the blanking plate (405), and the left end of the blanking plate (405) is rotatably connected into the notch (4043); the width of the blanking plate 405 is greater than the width of the discharging channel 4021.

7. The bearing ball quantitative feeding apparatus according to claim 1, wherein: a support column (4044) is arranged at the lower part of the discharging disc support (404), a circular groove (4041) is arranged in the middle of the discharging disc support (404), and the hexagonal rotating wheel (403) is arranged in the circular groove (4041); a first motor (401) is arranged below the discharging disc support (404), and an output shaft of the first motor (401) penetrates through the bottom of the discharging disc support (404) to be connected with a motor connecting part (4023) of the hexagonal rotating wheel (403) and the discharging disc (402).

8. The bearing ball quantitative feeding apparatus according to claim 7, wherein: the discharging disc support (404) comprises a sinking groove (4042), the sinking groove (4042) is low in center and high in edge, the structure of the discharging disc (402) is matched with the sinking groove (4042), and the bottom of the discharging disc (402) is attached to the surface of the sinking groove (4042); arc-shaped baffles (4022) are arranged between the discharging channels (4021).

9. The bearing ball quantitative feeding apparatus according to any one of claims 1 to 8, wherein: the first screening plate (18) is provided with a first screening hole (1801); the first screening plate (18) can be fixedly arranged in the feed box (9) or movably arranged in the feed box (9).

10. The bearing ball quantitative feeding apparatus according to claim 9, wherein: the movable assembly structure of the bin (9) and the first screening plate (18) comprises a first sliding block (23), and an arc-shaped hole (2301) is formed in the first sliding block (23); the first sliding block (23) is assembled in a first sliding groove (102) on the bracket (101) in a sliding manner, and a third spring (22) is arranged between the first sliding block (23) and a stop block (103) on the bracket (101); first screening board (18) include riser (1802) and cylinder stick (1803), riser (1802) and workbin (9) inside wall laminating assembly, bar hole (902) sliding connection in arc hole (2301) of first slider (23) of workbin (9) both sides is passed in cylinder stick (1803).