Ball-shaped object screening device

Abstract

The utility model discloses a ball-shaped object screening device which comprises a base, a feeding assembly, a screening assembly and a collecting frame. The feeding assembly comprises a feeding box and an inclined conveying plate, and ball-shaped objects are stored through the feeding box. The screening assembly comprises a screening box, and the ball-shaped objects enter the surface of the inclined conveying plate from an outlet formed in the lower end of the feeding box and slide downwards. Each screening layer in the screening box comprises a plurality of threaded rotating shafts and fixing plates, the threaded rotating shafts are linearly arranged between the fixing plates on the two sides to dredge the ball-shaped objects, the distances between the threaded rotating shafts of all the layers are sequentially reduced from top to bottom, and the ball-shaped objects of different sizes firstly fall to the upper end of the screening box and then fall to the lower end of the screening box. And the ball-shaped objects sequentially pass through the screening layers to screen out the ball-shaped objects with different sizes, and the ball-shaped objects with the corresponding sizes are discharged to the collecting plate from the corresponding screening layers. According to the utility model, the screening and counting efficiency of ball-shaped objects is improved, and convenience is provided for the treatment of ball-shaped detected materials.

Description

Technical Field

[0001] The utility model relates to the technical field of screening devices, in particular to a screening device for ball-shaped objects. Background Art

[0002] For the size screening of ball-like objects, there are stainless steel round hole sieves on the market. However, the method of screening through stainless steel round holes is low in cost and simple in principle; but it also has corresponding disadvantages. First of all, screening through stainless steel sieves inevitably requires physical shaking by manpower to push the screening, which will cause varying degrees of wear on the ball-like samples, and it is not possible to screen a large number of them at one time, and it can only achieve the function of screening, and cannot be counted. Summary of the invention

[0003] In view of the deficiencies of the prior art, the utility model discloses a ball-shaped object screening device to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a ball-shaped object screening device, comprising a base, a feeding assembly, a screening assembly and a collecting rack;

[0005] The feeding assembly includes a feed box and an inclined conveying plate, wherein the feed box is located at the upper end of the base, and the lower end of the feed box is connected to the upper surface of the base through a support rod, and the ball-shaped objects are stored through the feed box;

[0006] The screening assembly includes a screening box, the inclined conveying plate is located between the screening box and the feed box, the lower end of the screening box is also connected to the base through a support rod, one end of the screening box is connected to the lower end of one side of the feed box through the inclined conveying plate, and the inclined conveying plate is in a contracted structure close to the side of the screening box, and the ball-shaped objects enter the surface of the inclined conveying plate from the outlet provided at the lower end of the feed box and slide downward, and enter the upper end of the screening box through a plurality of first through holes arranged at the other end of the inclined conveying plate;

[0007] Several screening layers are arranged from top to bottom in the screening box, each of the screening layers includes several threaded shafts and fixed plates, the fixed plates are symmetrically installed on both sides of the screening box, and several threaded shafts are linearly arranged between the fixed plates on both sides to guide the ball-shaped objects, and the spacing between the threaded shafts of each layer decreases successively from top to bottom, and ball-shaped objects of different sizes first fall to the upper end of the screening box, and pass through the screening layers in turn to screen out ball-shaped objects of different sizes, and ball-shaped objects of corresponding sizes are discharged from the corresponding screening layers, and ball-shaped objects of corresponding sizes will be discharged to the collecting plate provided on the collecting frame at the other end of the screening box to complete the screening and collection operation of the ball-shaped objects, and at the same time, the actual size of the bead-shaped samples will be taken into consideration, and machines of uniform size on the market will be used when making bead-shaped crafts, and there will be no problem of any size. In this process, the manpower consumption of round hole screening on the market, the loss of samples and the inability to classify in large quantities are optimized.

[0008] Preferably, a first driving motor is provided at one end of the threaded rotating shaft, the first driving motor is fixedly mounted on one side of the fixed plate, and a sprocket is provided at one end of the threaded rotating shaft close to the first driving motor, the two are connected by a key, and the sprockets are mutually transmitted by a chain, and the threaded rotating shaft on one side is driven to rotate by the first driving motor, and the threaded rotating shaft of each layer is synchronously rotated through the chain, and then the fallen ball-shaped object is pushed to the other end of the screening box through the rotation of the threaded rotating shaft.

[0009] Preferably, a laser counting assembly is provided between the screening box and the collecting rack, and the laser counting assembly includes a transition plate, a counting box, a counter and a second driving motor, the tail ends of several of the transition plates are connected to the fixed plate of each layer respectively, the counting box is fixedly mounted on the front end of the transition plate, and the transition plate is in a contracted structure close to one side of the counting box, the ball-shaped objects after screening of each layer are pushed by the threaded shaft to fall onto the transition plate of the corresponding layer, and several second through holes are respectively provided on the partition provided between the transition plate and the upper end of the counting box for the ball-shaped objects to pass through and enter the upper end of the counting box, the counter is located inside the lower end of the counting box, the second driving motor is fixedly mounted on a fixed block provided on one side of the counting box, the output end of the second driving motor is connected to the counter, and the counter is driven to rotate in the counting box through the counter, the ball-shaped objects enter the upper end of the counting box from the second through holes, and are sequentially transported to the conveying pipe provided at the lower end of the counting box by the counter rotating at the lower end.

[0010] Preferably, a laser counting module is provided inside the counting box, and the number of ball-shaped objects passing through the counter is counted by the laser counting module.

[0011] Preferably, the surface of the collecting plate is provided with a plurality of grooves, through which the ball-shaped objects are placed correspondingly, and each layer of the collecting plate has 10×10 grooves evenly distributed, with a total of 100.

[0012] Preferably, a driving assembly is provided on the base, and the driving assembly includes a first cylinder, a second cylinder and a fixed seat, the first cylinder is located on one side of the collecting rack, the tail end of the first cylinder is fixed to the surface of the base through the fixed seat, the piston rod at the front end of the first cylinder is slidably connected to the slide groove provided at the lower end of the collecting rack, and the collecting rack is controlled to move along the left and right directions of the base by the first cylinder, the second cylinder is located on an adjacent side of the collecting rack, the tail end of the second cylinder is fixed to the surface of the base through the fixed seat, the piston rod at the front end of the second cylinder is slidably connected to the slide groove provided at the lower end of the collecting rack on the same side, the collecting rack is controlled to move along the front and rear directions of the base by the second cylinder, and the collecting rack is controlled to move horizontally and vertically by the driving assembly, so that the ball-shaped objects dropped out of the conveying pipe fall into the corresponding grooves in sequence.

[0013] Preferably, a universal wheel is provided at the lower end of the collecting rack to cooperate with the driving assembly.

[0014] Preferably, gravity sensing modules are respectively provided inside the grooves, and the gravity sensing modules are electrically connected to the warning lights provided on the surface of the collecting plate. Whether the grooves on the surface of the collecting plate are full can be judged by the color of the warning lights. When each layer of the collecting plate is full of ball-shaped objects, the warning lights turn green, and when the collecting plate is not full, the warning lights turn red.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] 1. In the utility model, during the material feeding and screening process, a layer-by-layer screening method is adopted in which the distance between the spiral shafts is larger than the diameter of other ball-shaped objects so that the objects fall to the next layer for screening. This can reduce the wear of the ball-shaped objects, and then the ball-shaped objects of the same size screened out of this layer are pushed to the front collection area by the rotation of the threaded shaft. The collection rack cooperates with the driving assembly to achieve one ball and one groove falling on the collection plate, making the screening and collection faster and more accurate.

[0017] 2. The utility model eliminates the need for manual screening of the size of ball-shaped objects, the inconvenience of counting the number of ball-shaped objects, and the problem of difficulty in taking photographs to record the appearance characteristics of the beads. This greatly saves the manpower and time of those who submit food and drug bead-shaped samples for inspection and identification, and provides convenience for the entire sample processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0019] In the attached picture:

[0020] Figure 1 It is a schematic diagram of the overall structure of the ball-shaped object screening device of the utility model;

[0021] Figure 2 It is a structural schematic diagram of the whole ball-shaped object screening device of the utility model from another perspective;

[0022] Figure 3 It is a structural schematic diagram of the screening component of the utility model;

[0023] Figure 4 It is a schematic diagram of the structure of the laser technology component of the utility model;

[0024] Numbers in the figure: 1, base; 201, feed box; 202, inclined conveying plate; 203, support rod; 204, outlet; 301, screening box; 302, first through hole; 303, threaded shaft; 304, fixed plate; 305, first drive motor; 306, sprocket; 4, collecting rack; 401, collecting plate; 402, groove; 403, slide; 404, universal wheel; 501, transition plate; 502, counting box; 503, counter; 504, second drive motor; 505, second through hole; 506, fixed block; 507, conveying pipe; 601, first cylinder; 602, second cylinder; 603, fixed seat; 604, piston rod; 7, ball-shaped object. DETAILED DESCRIPTION

[0025] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0026] Example: Figure 1 and Figure 2 As shown, a ball-shaped object screening device comprises a base 1, a feeding assembly, a screening assembly and a collecting frame 4;

[0027] The feeding assembly includes a feed box 201 and an inclined conveying plate 202. The feed box 201 is located at the upper end of the base 1, and the lower end of the feed box 201 is connected to the upper surface of the base 1 through a support rod 203. The ball-shaped objects 7 are stored through the feed box 201.

[0028] like Figure 1-Figure 3As shown, the screening assembly includes a screening box 301, an inclined conveying plate 202 is located between the screening box 301 and the feed box 201, and the lower end of the screening box 301 is also connected to the base 1 through a support rod 203 provided, and one end of the screening box 301 is connected to the lower end of one side of the feed box 201 through the inclined conveying plate 202, and the inclined conveying plate 202 is in a contracted structure close to the side of the screening box 301, and the ball-shaped object 7 enters the surface of the inclined conveying plate 202 from the outlet 204 provided at the lower end of the feed box 201 and slides downward, and enters the upper end of the screening box 301 through a plurality of first through holes 302 arranged at the other end of the inclined conveying plate 202;

[0029] There are several screening layers from top to bottom in the screening box 301, each screening layer includes several threaded shafts 303 and fixed plates 304, the fixed plates 304 are symmetrically installed on both sides of the screening box 301, and several threaded shafts 303 are linearly arranged between the fixed plates 304 on both sides to guide the ball-shaped objects 7. A first driving motor 305 is provided at one end of the threaded shaft, and the first driving motor 305 is fixedly installed on one side of the fixed plate 304, and a sprocket 306 is provided at one end of the threaded shaft 303 close to the first driving motor 305, and the two are connected by The sprockets 306 are connected by a key, and the sprockets 306 are mutually transmitted through a chain. The threaded shaft 303 on one side is driven to rotate by the first driving motor 305, and the threaded shaft 303 of each layer is synchronously rotated through the chain, so that the falling ball-shaped objects 7 are pushed to the other end of the screening box 301 by the rotation of the threaded shaft 303, and the spacing between the threaded shafts 303 of each layer decreases from top to bottom. The ball-shaped objects 7 of different sizes first fall to the upper end of the screening box 301, and pass through the screening layers in turn, and the ball-shaped objects 7 of different sizes are screened out. The ball-shaped objects 7 of corresponding sizes are discharged from the corresponding screening layer, and the ball-shaped objects 7 of corresponding sizes will be discharged to the collecting plate 401 provided on the collecting frame 4 at the other end of the screening box 301. The collecting plate 401 has a plurality of grooves 402 on its surface, and the ball-shaped objects 7 are placed correspondingly through the grooves 402. Each layer of the collecting plate 401 has 10×10 grooves 402 evenly distributed, and a total of 100 grooves 402 are evenly distributed. The grooves 402 are respectively provided with gravity sensing modules, and the gravity sensing modules are electrically connected to the warning lights provided on the surface of the collecting plate 401. The color of the light is used to determine whether the groove 402 on the surface of the collecting plate 401 is full. When each layer of the collecting plate 401 is full of ball-like objects 7, the prompt light turns green. When the collecting plate 401 is not full, the light turns red. Finally, the screening and collection operation of the ball-like objects 7 is completed. At the same time, the actual size of the bead-shaped samples will be taken into consideration. When making bead-shaped handicrafts, machines of uniform size on the market will be used, and there will be no problems with any size. In this process, the problems of manpower consumption, material loss and inability to classify in large quantities in the round hole screening on the market are optimized.

[0030] Among them, Figure 1-Figure 4As shown, a laser counting assembly is provided between the screening box 301 and the collecting rack 4, and the laser counting assembly includes a transition plate 501, a counting box 502, a counter 503 and a second driving motor 504. The tail ends of the transition plates 501 are connected to the fixed plates 304 of each layer, and the counting box 502 is fixedly installed at the front end of the transition plate 501, and the transition plate 501 is close to the counting box 502. The side of the shrinkage structure, the ball-shaped objects 7 after screening on each layer are pushed by the threaded shaft 303 to fall onto the transition plate 501 of the corresponding layer, and a partition is provided between the transition plate 501 and the upper end of the counting box 502. A plurality of second through holes 505 are respectively provided for the ball-shaped objects 7 to pass through and enter the upper end of the counting box 502. The counter 503 is located inside the lower end of the counting box 502. The second drive motor 504 is fixedly mounted on a fixed block 506 provided on one side of the counting box 502. The output end of the second drive motor 504 is connected to the counter 503, and the counter 503 is driven to rotate in the counting box 502 through the counter 503. A laser counting module is provided inside the counting box 502, and the number of ball-shaped objects 7 passing through the counter 503 is counted by the laser counting module. The ball-shaped objects 7 pass through the second through holes 505. The air enters the upper end of the counting box 502, and is sequentially transported to the conveying pipe 507 provided at the lower end of the counting box 502 through the counter 503 rotating at the lower end. A driving assembly is provided on the base 1, and the driving assembly includes a first cylinder 601, a second cylinder 602 and a fixed seat 603. The first cylinder 601 is located on one side of the collection rack 4. The tail end of the first cylinder 601 is fixed to the surface of the base 1 through the fixed seat 603 provided. The piston rod 604 at the front end of the first cylinder 601 is slidably connected to the slide groove 403 provided at the lower end of the collection rack 4. The collection rack 4 is controlled by the first cylinder 601 to move along the left and right directions of the base 1. Movement, the second cylinder 602 is located on the adjacent side of the collecting rack 4, the tail end of the second cylinder 602 is fixed to the surface of the base 1 through a fixed seat 603, the piston rod 604 at the front end of the second cylinder 602 is slidably connected to the slide groove 403 provided at the lower end of the collecting rack 4 on the same side, the collecting rack 4 is controlled by the second cylinder 602 to move along the front and rear directions of the base 1, and the collecting rack 4 is controlled by the driving component to move horizontally and vertically, the lower end of the collecting rack 4 is provided with a universal wheel 404 which cooperates with the driving component to make the ball-shaped objects 7 dropped from the conveying tube 507 fall into the corresponding grooves 402 in sequence.

[0031] Working process and principle: Considering that there may be a large number of ball-shaped test materials, the ball-shaped objects 7 first enter the feed box 201 for buffering, and then enter the screening component through the inclined conveying plate 202, so that after the beads of different sizes of the input pass through the first layer, the beads with the largest diameter remain in the first layer, and the beads of other sizes pass through the reserved spacing between the threaded shafts 303 to reach the next layer. The spacing between the threaded shafts 303 from top to bottom decreases layer by layer to achieve the effect of stratifying beads of different sizes, that is, according to the screening layers of the threaded shafts 303 with different spacings in the screening box 301, the beads with smaller diameters will fall from the upper layer to the lower screening layer, and the beads that cannot pass through will be moved forward to the transition plate 501 at the front end through the rotating thread, and enter the counting box 502 after passing through the convergence part of the transition area, so as to guide the beads and arrange them to be transported to the conveying pipe 507 at the lower end. The beads pass through the rotating counter 503 and cooperate with the laser meter The counting module performs counting and statistics, and the conveying pipe 507 of each layer guides the beads to the collecting plate 401 of the corresponding layer, and through the driving component provided on one side of the base 1, the collecting frame 4 is driven horizontally and vertically by the first cylinder 601 and the second cylinder 602, so that the beads fall into the grooves 402 on the collecting plate 401 in turn. Every time ten beads are output, the conveying pipe 507 will move to the next column of grooves 402 and guide the beads into the second column of grooves 402, so that the grooves 402 on each layer of the collecting plate 401 are filled. The inspector can pull out the collecting plate 401 of each layer for replacement or take photos for evidence, and each layer of the outside of the collecting plate 401 is provided with a prompt light. If the red light is on, it means that the grooves 402 on the collecting plate 401 are not full and there are still ball-shaped objects 7 to be collected on this layer; if the green light is on, it means that the collection of this layer is completed, and the debris and unclassified materials in the material fall into the bottom layer of the screening box 301 for cleaning and collection.

[0032] Finally, it should be noted that the above description is only a preferred example of the present utility model and is not intended to limit the present utility model. Although the present utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A device for screening ball-shaped objects, characterized in that: It includes a base, a feeding assembly, a screening assembly and a collecting rack; The feeding assembly includes a feed box and an inclined conveying plate, wherein the feed box is located at the upper end of the base, and the lower end of the feed box is connected to the upper surface of the base through a support rod, and the ball-shaped objects are stored through the feed box; The screening assembly includes a screening box, the inclined conveying plate is located between the screening box and the feed box, the lower end of the screening box is also connected to the base through a support rod, one end of the screening box is connected to the lower end of one side of the feed box through the inclined conveying plate, and the ball-shaped objects enter the surface of the inclined conveying plate from the outlet provided at the lower end of the feed box and slide downward, and enter the upper end of the screening box through a plurality of first through holes arranged at the other end of the inclined conveying plate; A plurality of screening layers are arranged from top to bottom in the screening box, each of the screening layers comprises a plurality of threaded shafts and fixed plates, the fixed plates are symmetrically mounted on both sides of the screening box, a plurality of threaded shafts are linearly arranged between the fixed plates on both sides, so as to guide the ball-shaped objects, and the spacing between the threaded shafts of each layer decreases successively from top to bottom, and ball-shaped objects of different sizes first fall to the upper end of the screening box, and pass through the screening layers successively to screen out ball-shaped objects of different sizes, and the ball-shaped objects of corresponding sizes are discharged from the corresponding screening layers, and the ball-shaped objects of corresponding sizes will be discharged to the collecting plate provided on the collecting frame at the other end of the screening box, so as to complete the screening and collection operation of the ball-shaped objects.

2. A ball-shaped object screening device according to claim 1, characterized in that: A first driving motor is provided at one end of the threaded shaft, and the first driving motor is fixedly mounted on one side of the fixed plate. A sprocket is provided at one end of the threaded shaft close to the first driving motor. The sprockets are mutually transmitted through a chain. The threaded shaft on one side is driven to rotate by the first driving motor, and the threaded shaft of each layer is synchronously rotated through the chain, so that the fallen ball-shaped object is pushed to the other end of the screening box through the rotation of the threaded shaft.

3. A ball-shaped object screening device according to claim 2, characterized in that: A laser counting assembly is provided between the screening box and the collecting rack, and the laser counting assembly includes a transition plate, a counting box, a counter and a second driving motor. The tail ends of several transition plates are connected to the fixed plate of each layer respectively, and the counting box is fixedly installed on the front end of the transition plate. The ball-shaped objects after screening in each layer are pushed by the threaded shaft to fall onto the transition plate of the corresponding layer. Several second through holes are respectively provided on the partition provided between the transition plate and the upper end of the counting box, so that the ball-shaped objects can pass through and enter the upper end of the counting box. The counter is located inside the lower end of the counting box. The second driving motor is fixedly installed on a fixed block provided on one side of the counting box. The output end of the second driving motor is connected to the counter, and the counter is driven to rotate in the counting box through the counter. The ball-shaped objects enter the upper end of the counting box from the second through holes and are sequentially transported to the conveying pipe provided at the lower end of the counting box through the rotating counter at the lower end.

4. A ball-shaped object screening device according to claim 3, characterized in that: A laser counting module is arranged inside the counting box, and the number of ball-shaped objects passing through the counter is counted by the laser counting module.

5. A ball-shaped object screening device according to claim 4, characterized in that: The surface of the collecting plate is provided with a plurality of grooves, and the ball-shaped objects are placed correspondingly through the grooves.

6. The device for screening ball-shaped objects according to claim 5, characterized in that: The base is provided with a driving assembly, and the driving assembly includes a first cylinder, a second cylinder and a fixed seat. The first cylinder is located on one side of the collection rack, and the tail end of the first cylinder is fixed to the surface of the base through the fixed seat, and the piston rod at the front end of the first cylinder is slidably connected to the slide groove provided at the lower end of the collection rack. The collection rack is controlled to move along the left and right directions of the base through the first cylinder, and the second cylinder is located on an adjacent side of the collection rack, and the tail end of the second cylinder is fixed to the surface of the base through the fixed seat, and the piston rod at the front end of the second cylinder is slidably connected to the slide groove provided at the lower end of the collection rack on the same side. The collection rack is controlled to move along the front and rear directions of the base through the second cylinder, and the collection rack is controlled to move horizontally and vertically through the driving assembly, so that the ball-shaped objects dropped out of the conveying pipe fall into the corresponding grooves in sequence.

7. The device for screening ball-shaped objects according to claim 6, characterized in that: The lower end of the collecting frame is provided with a universal wheel which cooperates with the driving assembly.

8. The device for screening ball-shaped objects according to claim 7, characterized in that: Gravity sensing modules are respectively provided inside the grooves, and the gravity sensing modules are electrically connected to the warning lights provided on the surface of the collection plate, and whether the grooves on the surface of the collection plate are full can be judged by the color of the warning lights.

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