CN214767000U

CN214767000U - Automatic defective product selecting device based on RFID (radio frequency identification) tag

Info

Publication number: CN214767000U
Application number: CN202120487523.9U
Authority: CN
Inventors: 赵胜飞
Original assignee: Xi'an Heying Intelligent Technology Development Co ltd
Current assignee: Xi'an Heying Intelligent Technology Development Co ltd
Priority date: 2021-03-08
Filing date: 2021-03-08
Publication date: 2021-11-19
Anticipated expiration: 2031-03-08

Abstract

The utility model discloses an automatic defective product selecting device based on RFID labels, which comprises a conveying unit, an induction unit, an RFID label reading and writing unit, an intelligent controller, a primary sorting unit and a secondary sorting unit; the conveying unit is used for conveying products with RFID labels, the sensing unit is fixedly arranged on the conveying unit and close to the starting end and the tail end, and the RFID label reading and writing unit, the first-level sorting unit and the second-level sorting unit are sequentially arranged on the conveying unit along the conveying direction of the products and are electrically connected with the intelligent controller. The device carries out read-write operation to the RFID label through RFID label read-write unit to select and reject from producing the line through the unusual bad product of label data that one-level letter sorting unit and second grade letter sorting unit will not write in label data or write in, thereby realize selecting, rejecting the function to the automation of defective products, the device simple structure, degree of automation are higher, and the selection process is more high-efficient reliable.

Description

Automatic defective product selecting device based on RFID (radio frequency identification) tag

Technical Field

The utility model relates to a RFID detects and mechanical automation technical field, and more specifically the utility model relates to an automatic device of selecting of defective products based on RFID label that says so.

Background

At present, the automation degree of a production line of a production and manufacturing enterprise is gradually improved due to the technological progress, but defective products on the production line still need to be manually selected and removed in the production process, the labor cost of the enterprise is consumed by the defective product selection mode, and the error rate of manual operation is higher. The RFID tag has the advantages of no contact, water resistance, magnetism prevention, high temperature resistance, long service life, large reading distance, capability of encrypting data on the tag, larger storage data capacity than a traditional bar code, convenience in change of stored information and the like, and is widely applied to multiple industries and fields of logistics industry, retail industry, medical industry, asset management, transportation and the like. However, in the prior art, it is not common to implement automatic selection and elimination of defective products on a production line by using RFID tags.

Therefore, how to provide an efficient and reliable defective product automatic selection device based on an RFID tag is a problem that needs to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides an automatic device of selecting of defective products based on RFID label, the device have solved current artifical mode of selecting and have consumeed manpower and materials, easily make mistakes scheduling problem through the rational design of structure.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an automatic defective product selecting device based on an RFID label comprises: the RFID tag sorting system comprises a conveying unit, a sensing unit, an RFID tag reading and writing unit, an intelligent controller, a primary sorting unit and a secondary sorting unit;

the RFID tag reading and writing unit, the first-level sorting unit and the second-level sorting unit are sequentially arranged on the conveying unit along the conveying direction of the products, and the conveying unit, the sensing unit, the RFID tag reading and writing unit, the first-level sorting unit and the second-level sorting unit are all electrically connected with the intelligent controller.

The utility model has the advantages that: the device carries the product that has the RFID label through the conveying unit, through induction element perception product entering or leave the detection area, read and write operation is carried out to the RFID label through RFID label read-write unit, and select and reject from producing the line through one-level letter sorting unit and second grade letter sorting unit with the unusual defective products of label data that do not write in label data or write in, thereby realize selecting, rejecting the function to the automation of defective products, the device simple structure, degree of automation is higher, and the selection process is more high-efficient reliable.

Further, the conveying unit comprises a support, a conveying belt and a motor, the conveying belt is installed on the support, the motor is arranged at the bottom of the conveying belt and fixedly connected with the support, the input end of the motor is electrically connected with the intelligent controller, and the output end of the motor is in transmission connection with the conveying belt. The utility model discloses well whole device is installed on the support, and the product is carried through the motor drive conveyer belt.

Furthermore, the sensing unit comprises a plurality of sensors, and the sensors are respectively arranged on the transmission unit and are close to the starting end and the tail end. The sensor is mainly used for detecting whether products enter or leave from the conveying unit, when the products enter the conveying unit, the intelligent controller can control the RFID label reading and writing unit, the first-level sorting unit and the second-level sorting unit to operate, and the reading, the selecting and the rejecting operations are carried out on the products.

Further, the RFID tag reading and writing unit comprises a tag reading and writing bin and an RFID tag reader, the RFID tag reader is arranged in the tag reading and writing bin, and the RFID tag reader is electrically connected with the intelligent controller. The label reading and writing bin is buckled above part of the conveying section of the conveying unit, and a relatively closed environment is mainly provided for the reading and writing operation of the RFID label of the product.

Furthermore, the primary sorting unit comprises a primary sorting bin and a defective product eliminating mechanism, the intelligent controller and the defective product eliminating mechanism are both arranged in the primary sorting bin, a defective product output window is formed in the front end of the primary sorting bin, the defective product eliminating mechanism is arranged corresponding to the defective product output window, and the defective product eliminating mechanism is electrically connected with the intelligent controller; the intelligent controller is used for detecting whether the RFID label data on the product subjected to the read-write processing of the RFID label read-write unit are successfully written in, and controlling the defective product removing mechanism to push out the product in which the RFID label data are not successfully written through the defective product output window.

Furthermore, the second-stage sorting unit comprises a second-stage sorting bin, a data detector and a defective product eliminating mechanism, the data detector and the defective product eliminating mechanism are both arranged in the second-stage sorting bin, a defective product output window is formed in the front end of the second-stage sorting bin, the defective product eliminating mechanism is arranged corresponding to the defective product output window, and the data detector and the defective product eliminating mechanism are both electrically connected with the intelligent controller; the data detector is used for detecting whether RFID label data on the products output by the primary sorting unit are complete and accurate, and the intelligent controller is used for controlling the defective product removing mechanism to push out the products with incomplete or inaccurate RFID label data through the defective product output window.

Furthermore, the defective product removing mechanism comprises a pneumatic assembly, a switch assembly and a mechanical assembly, wherein the pneumatic assembly is in transmission connection with the mechanical assembly, and the switch assembly is arranged on the air inlet end of the pneumatic assembly and is electrically connected with the intelligent controller.

Furthermore, the pneumatic component is a pneumatic motor, the pneumatic motor is arranged on the outer side of the back plate of the primary sorting bin or the secondary sorting bin, and an output shaft of the pneumatic motor extends into the primary sorting bin or the secondary sorting bin;

the switch assembly comprises an air inlet switch valve, a forward rotation switch valve and a reverse rotation switch valve, the air inlet switch valve, the forward rotation switch valve and the reverse rotation switch valve are all installed at the front end of an air inlet of the pneumatic motor, and the air inlet switch valve, the forward rotation switch valve and the reverse rotation switch valve are all electrically connected with the intelligent controller;

the mechanical assembly comprises a telescopic rod and a push plate, one end of the telescopic rod is in transmission connection with the output end of the pneumatic motor, the other end of the telescopic rod is fixedly connected with the push plate, and the push plate is vertically arranged and corresponds to the defective product output window.

The utility model discloses well pneumatic motor mainly releases the operation for the product and provides power, and air inlet switch valve, corotation ooff valve and reversal ooff valve mainly used control pneumatic motor and open and close, corotation and reversal, and the telescopic link drives the push pedal and stretches out and push away the defective products to defective products output window under pneumatic motor's drive, releases the back, and pneumatic motor reversal drives the telescopic link withdrawal to pull the push pedal to primary position and wait for the operation of rejecting next time.

Furthermore, the outer side wall of the push plate is also provided with an anti-slip pad, and the anti-slip pad is fixedly connected with the outer side wall of the push plate. The setting of slipmat mainly used increase push pedal and the frictional force of product contact surface, avoid the product to take place to slide pushing away the in-process, lead to the product can't push away to the window position along the route of releasing.

Further, the automatic defective product selecting device based on the RFID label further comprises a control panel, and the control panel is electrically connected with the intelligent controller. The control panel is mainly used for setting and checking related operation parameters of the device and controlling the device to be opened or closed. The device is convenient for workers to control and check and know the running state of the device in time.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a defective product automatic selection device based on an RFID tag according to the present invention;

fig. 2 is a schematic view of the overall structure of the defective product automatic selecting device based on the RFID tag in the embodiment of the present invention;

fig. 3 is a schematic front structural view of an automatic defective product selecting device based on an RFID tag according to an embodiment of the present invention;

fig. 4 is a schematic side view of an automatic defective product selecting device based on an RFID tag according to an embodiment of the present invention;

FIG. 5 is a schematic view of a portion of a pneumatic assembly according to an embodiment of the present invention;

fig. 6 is a schematic view of an implementation flow of the defective product eliminating process in the embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, fig. 2 and fig. 3, the embodiment of the utility model discloses a device is selected automatically to defective products based on RFID label includes: the system comprises a conveying unit 1, a sensing unit 2, an RFID tag reading and writing unit 3, an intelligent controller 4, a primary sorting unit 5 and a secondary sorting unit 6;

the conveying unit 1 is used for conveying products with RFID labels, the sensing unit 2 is fixedly installed on the conveying unit 1 and close to the starting end and the tail end, the RFID label reading and writing unit 3, the first-level sorting unit 5 and the second-level sorting unit 6 are sequentially installed on the conveying unit 1 along the conveying direction of the products, and the conveying unit 1, the sensing unit 2, the RFID label reading and writing unit 3, the first-level sorting unit 5 and the second-level sorting unit 6 are all electrically connected with the intelligent controller 4.

Specifically, conveying unit 1 includes support 11, conveyer belt 12 and motor 13, and conveyer belt 12 installs on support 11, and motor 13 locates the bottom of conveyer belt 12 and with support 11 fixed connection, and motor 13's input is connected with intelligent control ware 4 electricity, and motor 13's output and conveyer belt 12 transmission are connected.

In this embodiment, the support 11 is a movable support with universal wheels at the lower part, so that the whole device can be conveniently transferred to a proper position for use, and the mobility of the whole device is improved.

Specifically, the sensing unit 2 includes a plurality of sensors 21, and the sensors 21 are respectively disposed on the transferring unit 1 near the start end and the end positions.

Four sensors 21 are arranged in the embodiment, are respectively positioned on two sides of the whole conveying belt close to the first section and two sides of the whole conveying belt close to the tail end, specifically adopt infrared sensors, are opposite in pairs, and can detect whether products enter or leave the conveying belt

Specifically, the RFID tag reading and writing unit 3 includes a tag reading and writing chamber 31 and an RFID tag reader 32, the RFID tag reader 32 is disposed in the tag reading and writing chamber 31, and the RFID tag reader 32 is electrically connected to the intelligent controller 4.

Specifically, mechanism 7 is rejected to one-level letter sorting unit 5 includes that one-level letter sorting storehouse 51 and defective products, and intelligent control ware 4 all locates in one-level letter sorting storehouse 51 with defective products rejection mechanism 7, and defective products output window 8 has been seted up to the front end in one-level letter sorting storehouse 51, and defective products rejection mechanism 7 corresponds defective products output window 8 setting, and defective products rejection mechanism 7 is connected with intelligent control ware 4 electricity.

In this embodiment, the intelligent controller 4 is configured to detect whether the RFID tag data on the product subjected to the read-write processing by the RFID tag read-write unit 3 is successfully written in, and control the defective product rejecting mechanism 7 to push out the product in which the RFID tag data is not successfully written through the defective product output window 8.

Specifically, second grade letter sorting unit 6 includes that second grade letter sorting storehouse 61, data detector 62 and defective products reject mechanism 7, and data detector 62 and defective products reject the mechanism and all locate second grade letter sorting storehouse 61 in, and defective products output window 8 has been seted up to the front end in second grade letter sorting storehouse 61, and defective products reject mechanism 7 and correspond defective products output window 8 setting, and data detector 62 and defective products reject mechanism 7 and all be connected with intelligent control 4 electricity.

In this embodiment, the data detector 62 is configured to detect whether the RFID tag data on the product output by the first-stage sorting unit 5 is complete and accurate, and the intelligent controller 4 is configured to control the defective product removing mechanism 7 to push out the product with incomplete or inaccurate RFID tag data through the defective product output window 8.

In this embodiment, the data detector 62 may be implemented by a single chip with a data processing function, or may be implemented by a programmable logic controller, which may be set reasonably as required.

Referring to fig. 2 and 4, in the embodiment, a defective product conveying slide way 10 is further arranged at the outer side of the first-stage sorting bin 51 and the second-stage sorting bin 61 corresponding to the defective product output window 8, so that the pushed defective products can be conveniently stacked along the slide way, and the problem that the defective products are directly scattered after falling from the windows and are difficult to classify is prevented.

Specifically, the defective product rejection mechanism 7 comprises a pneumatic assembly 71, a switch assembly 72 and a mechanical assembly 73, wherein the pneumatic assembly 71 is in transmission connection with the mechanical assembly 73, and the switch assembly 72 is arranged on the air inlet end of the pneumatic assembly 71 and is electrically connected with the intelligent controller 4.

In this embodiment, the intelligent controller 4 is a programmable logic controller, which can meet the requirements of industrial-grade intelligent control and data processing. The large arrow in fig. 1 indicates the direction of conveyance of the product.

Specifically, referring to fig. 1, 4 and 5, the pneumatic assembly 71 is a pneumatic motor, the pneumatic motor is mounted on the outer side of the back plate of the first-stage sorting bin 51 or the second-stage sorting bin 61, and the output shaft of the pneumatic motor extends into the first-stage sorting bin 51 or the second-stage sorting bin 61;

the switch assembly 72 comprises an air inlet switch valve, a forward rotation switch valve and a reverse rotation switch valve, wherein the air inlet switch valve, the forward rotation switch valve and the reverse rotation switch valve are all arranged at the front end of an air inlet of the pneumatic motor, and the air inlet switch valve, the forward rotation switch valve and the reverse rotation switch valve are all electrically connected with the intelligent controller 4;

the mechanical assembly 73 comprises an expansion link 721 and a push plate 722, one end of the expansion link 721 is in transmission connection with the output end of the pneumatic motor, the other end of the expansion link 721 is fixedly connected with the push plate 722, and the push plate 722 is vertically arranged and arranged corresponding to the defective product output window 8.

Preferably, the outer side wall of the push plate 722 is further provided with a non-slip pad 723, and the non-slip pad 723 is fixedly connected with the outer side wall of the push plate 722. The anti-slip pad 723 may be made of rubber pad or other anti-slip and wear-resistant material.

In some embodiments, referring to fig. 2 and 3, the above-mentioned automatic defective product sorting apparatus based on RFID tags further includes a control panel 9, and the control panel 9 is electrically connected to the intelligent controller 4.

In this embodiment, the control panel 9 is fixedly connected to the top of the whole device through a bracket, and is mainly used for the staff to know the operation state and relevant operation parameters of the device and to control the operation state of the device through the keys on the control panel.

Referring to fig. 6, in the operation process of the whole device, when the RFID product is on the automatic production line, the automatic production line transmits the RFID product forward by the transmission unit, and two sides of the originating end of the transmission belt are provided with sensors, when the sensors detect that the product enters the transmission unit, the sensors transmit the detected data to the intelligent controller, and the intelligent controller sends a read-write command to the RFID tag read-write unit; after the RFID tag reading and writing unit finishes reading and writing operation, the intelligent controller checks whether the RFID tag data is successfully written in the primary sorting unit, if the RFID tag data is not successfully written in the primary sorting unit, the product corresponding to the tag is directly sent to a defective product rejection flow, namely the product is pushed out from a defective product output window through a defective product rejection unit; and the products corresponding to the successfully written labels enter a scanning area in the secondary sorting unit, if the label data is successfully written, the intelligent controller enables the data detector to check whether the written data in the RFID labels are complete and accurate, if the data are incomplete or inaccurate or both, the products are determined to be defective products, the intelligent controller sends an instruction to enable the products corresponding to the labels to enter a defective product removing process, and the defective product removing unit pushes the products corresponding to the defective RFID labels out of a defective product output window, so that the defective products are removed from a production line.

In summary, the device for automatically selecting defective products based on RFID tags disclosed in this embodiment can realize automatic selection and rejection of defective products after the RFID tag information is automatically read and written on the automatic production line. The device can replace manual work to reject RFID defective products with problematic read-write on the production line, and the intelligent management of the production line is realized while the production efficiency is improved and the labor cost is saved.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An automatic defective product selecting device based on an RFID tag is characterized by comprising: the RFID tag sorting system comprises a conveying unit (1), a sensing unit (2), an RFID tag reading and writing unit (3), an intelligent controller (4), a primary sorting unit (5) and a secondary sorting unit (6);

the conveying unit (1) is used for conveying products with RFID labels, the sensing unit (2) is fixedly installed at a position, close to a starting end and a tail end, on the conveying unit (1), the RFID label reading and writing unit (3), the first-level sorting unit (5) and the second-level sorting unit (6) are sequentially installed on the conveying unit (1) along the conveying direction of the products, and the conveying unit (1), the sensing unit (2), the RFID label reading and writing unit (3), the first-level sorting unit (5) and the second-level sorting unit (6) are electrically connected with the intelligent controller (4).

2. The automatic defective product selecting device based on the RFID tags is characterized in that the conveying unit (1) comprises a support (11), a conveying belt (12) and a motor (13), the conveying belt (12) is installed on the support (11), the motor (13) is arranged at the bottom of the conveying belt (12) and fixedly connected with the support (11), the input end of the motor (13) is electrically connected with the intelligent controller (4), and the output end of the motor (13) is in transmission connection with the conveying belt (12).

3. The automatic defective product sorting device based on the RFID tag as claimed in claim 1, wherein the sensing unit (2) comprises a plurality of sensors (21), and the sensors (21) are respectively arranged on the conveying unit (1) near the initial end and the final end.

4. The device for automatically selecting the defective products based on the RFID tags as claimed in claim 1, wherein the RFID tag reading and writing unit (3) comprises a tag reading and writing bin (31) and an RFID tag reader-writer (32), the RFID tag reader-writer (32) is arranged in the tag reading and writing bin (31), and the RFID tag reader-writer (32) is electrically connected with the intelligent controller (4).

5. The automatic defective product selecting device based on the RFID tag as claimed in claim 1, wherein the primary sorting unit (5) comprises a primary sorting bin (51) and a defective product rejecting mechanism (7), the intelligent controller (4) and the defective product rejecting mechanism (7) are both arranged in the primary sorting bin (51), a defective product output window (8) is formed in the front end of the primary sorting bin (51), the defective product rejecting mechanism (7) is arranged corresponding to the defective product output window (8), and the defective product rejecting mechanism (7) is electrically connected with the intelligent controller (4).

6. The automatic defective product selecting device based on the RFID tag as claimed in claim 1, wherein the secondary sorting unit (6) comprises a secondary sorting bin (61), a data detector (62) and a defective product rejecting mechanism (7), the data detector (62) and the defective product rejecting mechanism are both arranged in the secondary sorting bin (61), a defective product output window (8) is formed in the front end of the secondary sorting bin (61), the defective product rejecting mechanism (7) is arranged corresponding to the defective product output window (8), and the data detector (62) and the defective product rejecting mechanism (7) are both electrically connected with the intelligent controller (4).

7. The automatic defective product selecting device based on the RFID tag as claimed in claim 5 or 6, wherein the defective product rejecting mechanism (7) comprises a pneumatic assembly (71), a switch assembly (72) and a mechanical assembly (73), the pneumatic assembly (71) is in transmission connection with the mechanical assembly (73), and the switch assembly (72) is arranged on an air inlet end of the pneumatic assembly (71) and is electrically connected with the intelligent controller (4).

8. The automatic defective product sorting device based on RFID tags as claimed in claim 7, wherein said pneumatic assembly (71) is a pneumatic motor, said pneumatic motor is installed outside the back plate of said primary sorting bin (51) or said secondary sorting bin (61) and its output shaft is extended into said primary sorting bin (51) or said secondary sorting bin (61);

the switch assembly (72) comprises an air inlet switch valve, a forward rotation switch valve and a reverse rotation switch valve, the air inlet switch valve, the forward rotation switch valve and the reverse rotation switch valve are all installed at the front end of an air inlet of the pneumatic motor, and the air inlet switch valve, the forward rotation switch valve and the reverse rotation switch valve are all electrically connected with the intelligent controller (4);

the mechanical assembly (73) comprises an expansion link (721) and a push plate (722), one end of the expansion link (721) is in transmission connection with the output end of the pneumatic motor, the other end of the expansion link (721) is fixedly connected with the push plate (722), and the push plate (722) is vertically arranged and corresponds to the defective product output window (8).

9. The automatic defective product selecting device based on the RFID tag as claimed in claim 8, wherein a non-slip pad (723) is further disposed on an outer side wall of the pushing plate (722), and the non-slip pad (723) is fixedly connected with the outer side wall of the pushing plate (722).

10. The automatic defective product selecting device based on the RFID tag as claimed in claim 1, further comprising a control panel (9), wherein the control panel (9) is electrically connected with the intelligent controller (4).