CN216827285U - Special-shaped body recognition and sorting mechanism under visual guidance - Google Patents

Abstract

The utility model discloses a vision-guided special-shaped body identification and sorting mechanism, which comprises a mounting frame, wherein a turnover conveying device is horizontally arranged on the mounting frame, a feeding mechanism is arranged at the inlet of the turnover conveying device, a sorting device is arranged at the outlet of the turnover conveying device, a vision detection device is arranged at the top of the mounting frame and comprises a camera and a light source; the overturning and conveying device comprises a conveying frame, a plurality of regular triangular prism-shaped overturning rollers are uniformly arranged on the conveying frame, two transmission chain wheels are arranged at one end of each overturning roller, and the transmission chain wheels of adjacent overturning rollers are in transmission connection through chains; a driving motor is arranged on the conveying frame, an output shaft of the driving motor is fixedly connected with a driving gear, and a transmission chain wheel is in transmission connection with the driving gear; the utility model is used for solve conveyer among the prior art, can not show the structure omnidirectional of product in the visual detection area to make the visual detection result error great, seriously influence the problem of product letter sorting quality.

Description

Dysmorphism body discernment letter sorting mechanism under vision guide

Technical Field

The utility model relates to a letter sorting equipment technical field, especially a dysmorphism body discernment letter sorting mechanism under vision guide.

Background

In an industrial process, products are subjected to various inspection procedures before being packaged and shipped, one of which is to inspect whether the products have defective shapes. The traditional detection mode is to detect and sort through manual work, and although the detection result is comparatively accurate, the sorting efficiency is lower, and intensity of labour is big. Some existing sorting devices use a visual detection mode, wherein the visual detection is to use a robot to replace human eyes to measure and judge, convert a shot target into an image signal, and then convert the image signal into a digital signal according to information such as pixel distribution, brightness, color and the like; the image system performs various calculations on these signals to extract the features of the target, and then controls the operation of the on-site equipment according to the result of the discrimination. However, the existing conveying equipment only has a forward conveying function and cannot display the products in a visual detection area in an all-around manner, so that the visual detection is incomplete, a large error exists in a detection result, and the high-efficiency and accurate sorting of the products is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a dysmorphism body discernment letter sorting mechanism under vision guide for solve the conveyer among the prior art, can not be with the presentation of the structure full aspect multi-angle of product in the visual detection area, thereby make the visual detection result error great, seriously influence the problem of product letter sorting efficiency.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a vision-guided special-shaped body identification and sorting mechanism comprises a mounting frame, wherein an overturning and conveying device is horizontally arranged on the mounting frame, a feeding mechanism is arranged at the inlet of the overturning and conveying device, a sorting device is arranged at the outlet of the overturning and conveying device, a vision detection device is arranged at the top of the mounting frame and comprises a camera and a light source, and the camera and the light source are both positioned between the feeding mechanism and the sorting device; the overturning and conveying device comprises a conveying frame, a plurality of regular triangular prism-shaped overturning rollers are uniformly arranged on the conveying frame, two transmission chain wheels are arranged at one end of each overturning roller, all the transmission chain wheels are positioned at the same side of the conveying frame, and the transmission chain wheels of the adjacent overturning rollers are in transmission connection through chains; the conveying frame is provided with a driving motor, an output shaft of the driving motor is fixedly connected with a driving gear, and a transmission chain wheel on the overturning roller close to the driving motor is in transmission connection with the driving gear through a chain.

Optionally, the side edges of the turning rollers are rounded, the side edges of the turning rollers are of a toothed structure, a plurality of teeth and tooth grooves are uniformly arranged on the side edges, and the teeth and the tooth grooves on the side edges of adjacent turning rollers are matched with each other.

Optionally, the turning rollers comprise a plurality of triangular plates which are uniformly arranged, the triangular plates are arranged at intervals, all the triangular plates are arranged in the same direction, and the triangular plates between the adjacent turning rollers are arranged in a staggered manner.

Optionally, the sorting device comprises a fixed seat, a discharge channel and a defective product collecting device, the fixed seat is fixedly connected to the discharge end of the turnover conveying device, pneumatic nozzles are uniformly arranged on the fixed seat, the pneumatic nozzles are connected with an air source through an air duct, and an air control valve is arranged on the air duct; discharge channel sets up in pneumatic nozzle's below, and substandard product collection device sets up in upset conveyer below and near discharge channel's import.

Optionally, the bottom of the mounting frame is provided with road wheels.

The utility model discloses a dysmorphism body discernment letter sorting mechanism under vision guide has following advantage:

(1) the regular triangular prism-shaped overturning roller can convey a product forwards and overturn the product for 360 degrees in multiple turns so as to flexibly and effectively display the characteristics of the product in all directions under the visual detection device, ensure the accurate result of the visual detection and meet the requirements of automatic and efficient production.

(2) The dentate structure of upset roller lateral edge can make adjacent upset roller zonulae occludens, and the product can not block and also can not drop from the upset roller in the middle of the upset roller, can not interfere with each other between the adjacent upset roller when rotating moreover, ensures upset conveyer's normal operating.

(3) Sorting device can sort certified products and defective products, and the certified products can directly fall into discharge channel and discharge, and pneumatic nozzle can blow the defective products to recovery processing on the substandard product collection device.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a front view of the present invention.

Fig. 3 is a schematic structural view of the sorting apparatus.

Fig. 4 is a schematic view of the operation of the reversing conveyor.

Fig. 5 is a schematic view of the construction of the reversing roller.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings, in which the directions in fig. 2 are used as references in the following description.

As shown in fig. 1 to 4, a vision-guided mechanism for recognizing and sorting a special-shaped body includes a mounting rack 5, a turning and conveying device 3 is horizontally disposed on the mounting rack 5, the left end of the turning and conveying device 3 is an inlet, the right end of the turning and conveying device 3 is an outlet, a feeding mechanism 1 is disposed at the inlet of the turning and conveying device 3, and a sorting device 4 is disposed at the outlet of the turning and conveying device 3. According to the difference of product, front end device, the partial form of material loading, structure, choose for use corresponding feed mechanism 1, its purpose is in order to with the even distribution of product on upset conveyer 3, avoid appearing the condition that the product piles up, the dysmorphism body that will sort in this embodiment is quick-freeze boiled dumpling, adopts bucket feed mechanism.

The overturning conveying device 3 comprises a conveying frame 309, a plurality of regular triangular prism-shaped overturning rollers 306 are uniformly arranged on the conveying frame 309, the overturning rollers 306 are located at the same horizontal height, two transmission chain wheels 307 are arranged at one end of each overturning roller 306, all the transmission chain wheels 307 are located at the same side of the conveying frame 309, the transmission chain wheels 307 on adjacent overturning rollers 306 are in transmission connection through chains (not shown in the figure), and one overturning roller 306 drives the other overturning roller 306 to rotate, so that synchronous overturning actions of all the overturning rollers 306 are realized. The right end of the conveying frame 309 is provided with a driving motor 6, an output shaft of the driving motor 6 is fixedly connected with a driving gear 310, a transmission chain wheel 307 on the overturning roller 306 close to the driving motor 6 is in transmission connection with the driving gear 310 through a chain (not shown in the figure), and the driving motor 6 can drive the overturning roller 306 to overturn. The fillet is handled in the side edge department of upset roller 306, make the rotation of upset roller 306 more smooth, and the side edge is dentate structure, evenly be provided with a plurality of teeth and tooth's socket on the side edge, tooth and tooth's socket on the side edge of adjacent upset roller 306 match each other, be similar to the form of gear engagement, adjacent upset roller 306 is at the pivoted in-process, the side edge has partly overlapping, can make the structure compacter like this, prevent quick-freeze dumpling card between two upset rollers 306, and because the dislocation of tooth and tooth's socket is arranged, so adjacent upset roller 306 is mutual noninterference when rotating, the circumstances of jam can not appear.

As shown in fig. 5, in addition to the above-described structure, the reversing roller 306 may also adopt the following structure: the turnover rollers 306 comprise a plurality of uniformly arranged triangular plates 308, the set directions of the triangular plates 308 are consistent, the triangular plates 308 are arranged at intervals, the triangular plates 308 between the adjacent turnover rollers 306 are arranged in a staggered mode, the triangular plates 308 on the adjacent turnover rollers 306 are not interfered with each other, the normal rotation of the turnover rollers 306 cannot be influenced, the structure can effectively utilize the space structure, and the detection amount in unit time is increased. And the interval between the set square 308 can avoid the quick-frozen dumplings to appear the axial removal to a certain extent, guarantee follow-up visual detection's accuracy.

The top of mounting bracket 5 is provided with visual detection device 2, visual detection device 2 includes camera and light source, camera and light source all are located the top at upset conveyer 3 middle part, the camera can carry out the omnidirectional shooting to quick-frozen dumpling on the upset conveyer 3, the light source can polish to quick-frozen dumpling, make the image that the camera was shot more clear, it is accurate, then image transfer to dedicated image processing system, according to information such as pixel distribution, luminance, colour, change image information into digital signal, image system carries out various operations to these signals and extracts the characteristic of target, and then come the equipment action of control scene according to the result of differentiating.

The exit of upset conveyer 3 is provided with sorting device 4, and sorting device 4 includes fixing base 402, discharging channel 9 and substandard product collection device 7, and fixing base 402 fixed connection is at upset conveyer 3's discharge end, and driving motor 6 fixed connection evenly is provided with one row of pneumatic nozzle 401 on fixing base 402, the length looks adaptation of arranging and upset roller 306 of pneumatic nozzle 401. The pneumatic nozzle 401 is connected with an air source through an air duct, the air duct is provided with an air control valve 403, and the air control valve 403 can start or close the pneumatic nozzle 401 according to the judgment result of the visual detection device 2. The discharge channel 9 is arranged below the pneumatic nozzle 401 and the reject collecting device 7 is arranged below the turn-over conveyor 3 and close to the inlet of the discharge channel 9. The sorting device 4 is used for sorting qualified products and unqualified products, when the qualified products fall from the discharge end of the turnover conveying device 3, the pneumatic nozzle 401 cannot jet air, and the quick-frozen dumplings directly fall into the discharge channel 9; when the unqualified product falls from the discharge end of the turnover conveying device 3, the corresponding pneumatic nozzle 401 sprays air to blow dumplings to the inferior product collecting device 7, the inferior product collecting device 7 adopts a conveying belt, and the conveying belt can convey the unqualified product to be processed.

The working process of the utility model is as follows: at first through feed mechanism 1 with the even transport of quick-frozen boiled dumpling to upset conveyer 3 on, then upset roller 306 constantly transmits quick-frozen boiled dumpling right and lets the upset that quick-frozen boiled dumpling does not stop simultaneously, visual detection device 2 can carry out omnidirectional detection to quick-frozen boiled dumpling, whether the quick-frozen boiled dumpling of inspection exists the condition such as damage, detect the completion back, qualified boiled dumpling can directly fall into discharging channel 9 and send the packing, and unqualified boiled dumpling can be blown to substandard product collection device 7 by pneumatic nozzle 401 on, carry the boiled dumpling to other equipment departments again and carry out the unified processing. This application can overturn the product when conveying the product to reach nimble effectual each direction characteristic with the product and show under visual detection device 2, ensure that visual detection's result is accurate, thereby reach automatic, efficient production demand. The bottom of mounting bracket 5 is provided with walking wheel 8, makes things convenient for the nimble removal of equipment.

The embodiments described above are only some of the embodiments of the present invention, and not all of them. The product that this application can be handled not only quick-freeze boiled dumpling, to glue pudding, steamed stuffed bun, agricultural product (potato, tomato), fruit class (jujube, cherry tomato, orange etc.), also can realize the operation of detection, letter sorting, and the structure, the size etc. of upset roller 306 can be selected according to actual product. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.

Claims (5)

1. The utility model provides a dysmorphism body discernment letter sorting mechanism under vision guide which characterized in that: the automatic turnover device comprises a mounting frame, wherein a turnover conveying device is horizontally arranged on the mounting frame, a feeding mechanism is arranged at the inlet of the turnover conveying device, a sorting device is arranged at the outlet of the turnover conveying device, a visual detection device is arranged at the top of the mounting frame and comprises a camera and a light source, and the camera and the light source are both positioned between the feeding mechanism and the sorting device; the overturning and conveying device comprises a conveying frame, a plurality of regular triangular prism-shaped overturning rollers are uniformly arranged on the conveying frame, two transmission chain wheels are arranged at one end of each overturning roller, all the transmission chain wheels are positioned at the same side of the conveying frame, and the transmission chain wheels of the adjacent overturning rollers are in transmission connection through chains; the conveying frame is provided with a driving motor, an output shaft of the driving motor is fixedly connected with a driving gear, and a transmission chain wheel on the overturning roller close to the driving motor is in transmission connection with the driving gear through a chain.

2. The visually guided profile body recognition sorting mechanism of claim 1, wherein: the side edges of the turnover rollers are rounded, the side edges of the turnover rollers are of a tooth-shaped structure, a plurality of teeth and tooth sockets are uniformly arranged on the side edges, and the teeth and the tooth sockets on the side edges of adjacent turnover rollers are matched with each other.

3. The visually guided profile body recognition sorting mechanism of claim 1, wherein: the upset roller includes the set square that a plurality of evenly set up, and the interval sets up between the set square, and the direction homogeneous phase that sets up of all set squares is the same, and the set square dislocation arrangement between the adjacent upset roller.

4. The visually guided profile body recognition sorting mechanism of claim 1, wherein: the sorting device comprises a fixed seat, a discharge channel and a defective product collecting device, the fixed seat is fixedly connected to the discharge end of the turnover conveying device, pneumatic nozzles are uniformly arranged on the fixed seat, the pneumatic nozzles are connected with an air source through an air duct, and an air control valve is arranged on the air duct; discharge channel sets up in pneumatic nozzle's below, and substandard product collection device sets up in upset conveyer below and near discharge channel's import.

5. The visually-guided profile-identifying sortation mechanism of claim 1, wherein: the bottom of mounting bracket is provided with the walking wheel.

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