CN114516458A - Missing code product deleting method and product packaging code printing device - Google Patents
Missing code product deleting method and product packaging code printing device Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 60
- 238000004806 packaging method and process Methods 0.000 title claims description 38
- 238000001514 detection method Methods 0.000 claims abstract description 72
- 238000004891 communication Methods 0.000 claims description 4
- 238000012217 deletion Methods 0.000 claims 8
- 230000037430 deletion Effects 0.000 claims 8
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 239000008267 milk Substances 0.000 description 15
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B57/00—Automatic control, checking, warning, or safety devices
- B65B57/10—Automatic control, checking, warning, or safety devices responsive to absence, presence, abnormal feed, or misplacement of articles or materials to be packaged
- B65B57/12—Automatic control, checking, warning, or safety devices responsive to absence, presence, abnormal feed, or misplacement of articles or materials to be packaged and operating to control, or stop, the feed of wrapping materials, containers, or packages
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
- B65B61/26—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for marking or coding completed packages
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Abstract
The invention discloses a missing code product deleting method, which designs a set of method for judging whether the product package is printed with codes correctly or not by specifically setting the positions of a code printing device and a product detection sensor and combining a control unit and a response unit. The missing code product deleting method realizes automatic detection of missing codes or continuous product packages, has high detection efficiency and more accurate detection result, avoids the use of a large number of missing code detection personnel in the production process, and has lower labor cost.
Description
Technical Field
The invention relates to the field of product coding, in particular to a missing code product deleting method and a product packaging coding device.
Background
After the milk product is packaged, a code needs to be printed on the milk packaging box, such as printing production information such as production date. The code printing of the existing milk packing box is usually completed by a code printing machine, specifically, the code printing machine is arranged on the side of a conveying device, when the code printing machine works, the milk packing box is conveyed on the conveying device at intervals by the conveying device, and when the milk packing box is conveyed to the code printing machine, the code printing machine prints codes on the milk packing box. In the coding process of the coding machine, two milk packaging boxes are connected together, or the system does not respond in time, and the like, so that code leakage often occurs. The automatic detection device for code printing of the milk packaging box usually has no missing codes, in order to ensure that a product is correct, the sold milk packaging box is printed with codes, and in the existing production process, the code printing condition on each milk packaging box is usually detected by naked eyes of a specially-assigned person so as to screen out the milk packaging boxes which are not printed with codes and print the codes again. The method for detecting the code printing condition by the aid of manual naked eyes can increase manual production cost, and can increase the detection amount of the code printing condition of the milk packaging box due to large milk production, visual fatigue can be generated by high-strength naked eye detection, and the conditions of missed detection and low detection accuracy rate easily occur in the manual code missing detection process.
Disclosure of Invention
The invention aims to provide a missing code product deleting method.
The technical scheme for realizing the aim of the invention is as follows: a missing code product deleting method is realized based on a product packaging coding device, wherein:
the product packaging code printing device comprises a conveying device, code printing equipment, a product detection sensor, a control unit and a response unit, wherein the product detection sensor and the code printing equipment are sequentially arranged on the side of a conveying path of the conveying device along the conveying direction of the conveying device, the horizontal distance between the code printing equipment and the product detection sensor is smaller than a value L, the value L is a value equal to the width of a product package, the control unit is provided with a counting unit, and the code printing equipment, the product detection sensor and the response unit are respectively in communication connection with the control unit;
the missing code product deleting method comprises the following steps:
s1, setting a preset value M for the control unit, wherein the preset value M is equal to the counting value of the counting unit of the control unit within a time T, and the time T is equal to the conveying time spent when the conveying distance of the conveying device is a value L;
S2, placing the product packages on the conveying device, and conveying the product packages by the conveying device in sequence;
s3, conveying each product package to the product detection sensor, and when the product detection sensor detects the front edge of the product package, clearing the counting unit of the control unit and starting counting; with the conveying of the conveying device, when the product package is conveyed to the coding device, the coding device codes the product package, after coding, the coding device feeds back a coding signal to the control unit, and when the control unit receives the coding signal of the coding device, the control unit reads a counting value N1 of the counting unit at the moment, wherein N1 is a positive number;
s4, the control unit judges whether the product package is error-free or not according to whether the counting numerical value N1 read by the counting unit exists or not and the size of the counting numerical value N1 when the counting numerical value N1 is read; if the control unit reads the counting numerical value N1 of the counting unit and 0< N1< M, the control unit judges that the product package is coded correctly; otherwise, the control unit judges that the product package is wrongly coded;
And S5, when the control unit judges that the product package is wrongly coded, the control unit controls the response unit to make the response unit respond to the product package with wrong coding.
Further, in step S3, when the trailing edge of the product package passes through the product detecting sensor and the product detecting sensor no longer detects the product package after the product package passes through the coding device and is conveyed by the conveying device, the control unit reads a count value N2 of the counting unit at this time, where N2 is a positive number. The missing code product deleting method can judge whether the error condition of the missing codes exists or not, and can also be used for judging whether the error condition of the product packages which are conveyed together next to each other exists or not by reading the counting value N2.
Further, in step S4, the control unit determines whether the product package is error-free by determining whether the count value N1 is read to the count unit, and whether the count value N1 and the count value N2 are correct when the count value N1 is read; if the control unit reads the counting numerical value N1 of the counting unit and 0< N1< N2 not more than M, the control unit judges that the product package is free from error in coding; if the control unit does not read the counting value N1 of the counting unit and N2 is not more than or equal to M, the control unit judges that the product package is not printed with codes; if N2> M, the control unit determines that the product packages are being transported next to each other regardless of whether the control unit reads the count value N1 of the counting unit and the size of the count value N1 when the count value N1 is read. According to the missing code product deleting method, the error condition that the product packages are conveyed together in a side-by-side mode can be effectively controlled at the conveying source; whether the conveying source is controlled or not can be judged through the method, the condition that the continuous package code printing is mistaken in the code printing process is judged, so that the condition that the subsequent product package is missed in code printing due to continuous packages is avoided, the code printing process is smoother, and careless mistakes are avoided.
Furthermore, the response unit comprises a horizontal push rod mechanism facing the conveying device, the product detection sensor, the code printing equipment and the horizontal push rod mechanism are sequentially arranged on the side of the conveying device along the conveying direction of the conveying device, and the horizontal push rod mechanism is electrically connected with the control unit. According to the arrangement of the product packaging automatic code printing device, when the control unit judges that the product packaging is printed by mistake or is printed by mistake, the control unit controls the horizontal push rod mechanism of the response unit to enable the horizontal push rod mechanism to stretch out, and the product packaging which is conveyed to the horizontal push rod mechanism and is printed by mistake is pushed out of the conveying device. According to the invention, the product packages with wrong codes are removed through the horizontal push rod mechanism, so that manual operation is avoided, and the production automation degree and the working efficiency are higher.
Further, the horizontal push rod mechanism is an air cylinder. The horizontal push rod mechanism can be a screw rod mechanism driven by a motor, and can also adopt an air cylinder, and compared with the former, the latter has a simpler structure.
Further, the response unit comprises an alarm device, which is electrically connected with the control unit. According to the invention, the control unit controls the alarm device of the response unit to make the alarm device send out an alarm to warn that the product package is wrongly printed when the control unit judges that the product package is wrongly printed, and at the moment, if the removing mechanism of the product package with wrong printing is not arranged, the operator can be warned, so that the operator can manually remove the product package with wrong printing from the conveying device.
Further, the alarm device comprises an alarm bell or/and an alarm lamp.
Further, the response unit comprises an alarm device and a horizontal push rod mechanism facing the conveying device, the product detection sensor, the code printing equipment and the horizontal push rod mechanism are sequentially arranged on the side of the conveying device along the conveying direction of the conveying device, and the horizontal push rod mechanism and the alarm device are respectively and electrically connected with the control unit;
step S5, if the control unit does not read the counting value N1 of the counting unit and N2 is not more than or equal to M, when the control unit judges that the product package is not printed with the code, the control unit controls the horizontal push rod mechanism of the response unit to extend the horizontal push rod mechanism, and the product package which is conveyed to the horizontal push rod mechanism and is not printed with the code is pushed out of the conveying device; if N2> M, the control unit controls the alarm device of the response unit to make the alarm device give an alarm when the control unit judges whether the control unit reads the counting number N1 of the counting unit and the size of the counting number N1 when the control unit reads the counting number N1. Under the arrangement of the invention, if no continuous package appears on the product package, only code printing is missed, the product package without code printing can be accurately pushed out of the conveying device through the horizontal push rod mechanism; and to the condition that the product package is even, because even quantity of package is all undetermined, through horizontal push rod mechanism rejects more loaded down with trivial details, this moment, through alarm device's warning is handled more conveniently. By the mechanical and manual combined mode, the product can be removed more efficiently and conveniently in the product packaging and coding process.
Further, the conveying device is a conveying belt device. Like in the coding of a milk package, the transport is usually carried out by means of a conveyor belt.
Further, the product detection sensor comprises a light emitter and a light receiver which are oppositely arranged, the light emitter and the light receiver are respectively positioned on two sides of the conveying device, and the light receiver is electrically connected with the control unit. The product detection sensor can be a position sensor or the photoelectric sensor, and compared with the former photoelectric sensor, the photoelectric sensor is used at the position, so that the detection precision is higher.
Further, the control unit is an MCU processor. The control unit may be a wide variety of controllers.
The invention also aims to provide a product packaging code printing device.
The utility model provides a product packaging beats sign indicating number device, includes conveyor, beats sign indicating number equipment, product detection sensor, the control unit and response unit, the product detection sensor with it follows to beat sign indicating number equipment conveyor's direction of delivery locates in proper order conveyor's side, beat sign indicating number equipment with the horizontal interval of product detection sensor is less than a numerical value L, and numerical value L is a numerical value that equals with product packaging width, the control unit has the counting unit, beat sign indicating number equipment the product detection sensor response unit equally divide do not with the control unit communication is connected.
According to the missing code product deleting method, a set of method capable of judging whether the product package is error-printed or not is designed by specifically setting the positions of the code printing equipment and the product detection sensor and combining the control unit and the response unit, according to the judging method, the control unit can control the response unit to make a corresponding response that the product package is error-printed, for example, an alarm is sent out or the product package with missing code printing is directly removed from the conveying device, so that the missing code or the product package with continuous packages is detected and screened out in the code printing process, and the product package output on the conveying device is printed. The missing code product deleting method realizes automatic detection of missing codes or continuous product packages, has high detection efficiency and more accurate detection result, avoids the use of a large number of missing code detection personnel in the production process, and has lower labor cost.
Drawings
FIG. 1 is a schematic view of a product packaging coding device according to the present invention;
FIG. 2 is a schematic top view of the product packaging coding device of the present invention;
fig. 3 is a functional block diagram of the product packaging coding device of the invention.
Detailed Description
The preferred embodiments of the missing code product deleting method and the product packaging coding device of the present invention are described in detail below with reference to the accompanying drawings:
as shown in fig. 1 to 3, a product package coding device comprises a conveying device 1, a coding device 2, a product detection sensor 3, a control unit 4 and a response unit 5, the response unit 5 comprises an alarm device 52 and a horizontal pusher mechanism 51 towards the delivery device 1, the product detection sensor 3, the coding device 2 and the horizontal push rod mechanism 51 are sequentially arranged at the side of the conveying path of the conveying device 1 along the conveying direction of the conveying device 1, the horizontal spacing L1 between the coding device 2 and the product detection sensor 3 is less than a value L, which is a value equal to the width of the product package 10, the control unit 4 has a counting unit 41, and the coding device 2, the product detection sensor 3, the horizontal pushing bar mechanism 51 and the alarm device 52 of the response unit 5 are electrically connected to the control unit 4, respectively.
The invention also discloses a missing code product deleting method which is realized based on the product packaging code printing device.
The missing code product deleting method comprises the following steps:
S1, setting a preset value M for the control unit 4, where the preset value M is equal to the counting value of the counting unit 41 of the control unit 4 within a time T, and the time T is equal to the conveying time taken by the conveying device 1 when the conveying distance is a value L;
s2, placing the product packages 10 on the conveying device 1, and sequentially conveying the product packages by the conveying device 1;
s3, each product package 10 is conveyed to the product detection sensor 3, and when the product detection sensor 3 detects the leading edge of the product package 10, the counting unit 41 of the control unit 4 is cleared and starts counting; with the conveying of the conveying device 1, when the product package 10 is conveyed to the coding device 2, the coding device 2 codes the product package 10, and after coding, the coding device 2 feeds back a coding signal to the control unit 4, and when the control unit 4 receives the coding signal of the coding device 2, the control unit 4 reads a counting value N1 of the counting unit 41 at this time; after the product package 10 passes through the coding device 2, the rear edge of the product package 10 passes through the product detection sensor 3 along with the conveying of the conveying device, and when the product detection sensor 3 no longer detects the product package 10, the control unit 4 reads the counting value N2 at this time of the counting unit 41; wherein N1 and N2 are positive numbers;
S4, the control unit 4 judges whether the product package 10 is error-free in coding according to whether the counting number N1 is read to the counting unit 41 and the counting number N1 and the counting number N2 when the counting number N1 is read; if the control unit 4 reads the counting number N1 of the counting unit 41 and 0< N1< N2 ≤ M, the control unit 4 determines that the product package is correct to be coded; if the control unit 4 does not read the counting number N1 of the counting unit 41 and N2 is not greater than or equal to M, the control unit 4 determines that the product package 10 is not printed with the code; if N2> M, the control unit 4 determines that the product packages 10 are conveyed next to each other regardless of whether the control unit 4 reads the count value N1 of the counting unit 41 and the size of the count value N1 when the count value N1 is read;
s5, if the control unit 4 does not read the counting value N1 of the counting unit 41 and N2 is not greater than or equal to M, when the control unit 4 determines that the product package 10 is missing the code printing, the control unit 4 controls the horizontal pushing rod mechanism 51 of the response unit 5 to extend the horizontal pushing rod mechanism 51, and pushes the product package 10 which is conveyed to the horizontal pushing rod mechanism 51 and has missed the code printing out of the conveying device 1; if N2> M, regardless of whether the control unit 4 reads the count value N1 of the counting unit 41 and the size of the count value N1 when the count value N1 is read, when the control unit 41 determines that the product packages 10 are conveyed next to each other, the control unit 4 controls the alarm device 52 of the response unit 5 to make the alarm device 52 give an alarm.
According to the product packaging coding device, the horizontal distance L1 between the coding device 2 and the product detection sensor 3 is smaller than a value L, and the setting is used for judging whether coding is correct or not through the condition that 0< N1< M after coding.
According to the missing code product deleting method, in work, the product packages 10 are arranged on the conveying device 1 at intervals and are conveyed by the conveying device 1 in sequence. In the process of conveying the product package 10 by the conveying device 1, under normal conditions, the leading edge of the product package 10 will reach the product detection sensor 3 first, and the product detection sensor 3 will detect the leading edge of the product package 10 first, at this time, the counting unit 41 of the control unit 4 is cleared and starts counting; after the counting unit 41 of the control unit 4 is cleared and starts counting, along with the conveying of the conveying device 1, because the horizontal distance L1 between the coding device 2 and the product detection sensor 3 is smaller than the value L equal to the width of the product package 10, the product package 10 will arrive at the coding device 2 first, and the coding device 2 performs coding, and meanwhile, the control unit 4 reads the counting value N1 of the counting unit 41 when receiving the coding signal of the coding device 2; then, as the conveying device 1 conveys, the trailing edge of the product package 10 passes the product detection sensor 3, the product detection sensor 3 detects the trailing edge of the product package 10, the product package 10 completely passes the product detection sensor 3, the product detection sensor 3 no longer detects the product package 10, and the control unit 4 reads the count value N2 of the counting unit 41 when the product detection sensor 3 no longer detects the product package 10.
In the missing-code product deleting method of the present invention, since the product package 10 will reach the coding device 2 first, the coding device 2 codes the product package, and then the trailing edge of the product package 10 will pass through the product detecting sensor 3, the counting value N1 of the counting unit 41 will be usually smaller than the counting value N2. Moreover, since the count value N1 of the counting unit 41 is the count value when the conveying device 1 conveys one product package 10 by the width distance, the preset value M of the control unit 4 is equal to the count value of the counting unit 41 in the conveying time taken by the conveying device 1 to convey the product package by the width distance L, and the count value N2 is normally equal to the preset value M. Therefore, when the code is printed normally, the control unit 4 not only reads the count value N1 of the count unit 41, but also reads the count value N1< N2 < M, otherwise, the control unit 4 can also determine whether the product package 10 is printed correctly by determining whether the count value N1 of the count unit 41 is read and whether the count value N1 is read when the count value N1 is read.
In a preferred embodiment of the method for deleting missing-code products of the present invention, if the control unit 4 reads the counting number N1 of the counting unit 41 and 0< N1< N2 < M, the control unit 4 determines that the product package is correctly coded; if the control unit 4 does not read the counting value N1 of the counting unit 41 and N2 is not greater than or equal to M, the control unit 4 determines that the product package 10 is missing a code; if N2> M, the control unit 4 determines that the product packages 10 are being transported next to each other regardless of whether the control unit 4 reads the count value N1 of the counting unit 41 and the size of the count value N1 when the count value N1 is read.
The missing code product deleting method can only judge that the code printing is correct through the relation of 0< N1< M, and the code printing is wrong under all other conditions; in the case of an error in coding, the response unit 5 may not perform subdivision and may perform a uniform response.
According to the missing code product deleting method, under the preferred embodiment, the condition that the code printing is wrong is subdivided, and the condition that the code printing is wrong in different code printing of missing codes and continuous packages is separated; and aiming at the condition that each different code is wrongly printed, the control unit 4 controls the response unit 5 to carry out different responses and carry out different processing, so that the operation is more precise and accurate, and the operation efficiency is higher.
According to the missing code product deleting method, for the error condition that the product packages 10 are conveyed next to each other, effective control can be carried out at the conveying source, for example, the product packages 10 are controlled at the conveying source, so that the adjacent product packages 10 are spaced. Whether the conveying source is controlled or not, the invention judges that the continuous package code printing has error condition in the code printing process through the better implementation mode of the method, thereby avoiding the condition that the code printing is missed in the next product package possibly caused by continuous packages, ensuring the code printing process to be smoother and having no careless mistakes.
In the product package coding device of the present invention, the response unit 5 may only include the horizontal push rod mechanism 51, may only include the alarm device 52, and may also include both the horizontal push rod mechanism 51 and the alarm device 52. When the response unit 5 only comprises the horizontal push rod mechanism 51, and in the production process, the control unit 4 judges that the product package 10 is wrongly coded, the control unit 4 can control the horizontal push rod mechanism 51 of the response unit 5 to enable the horizontal push rod mechanism 51 to extend out, so that the product package 10 which is conveyed to the horizontal push rod mechanism 51 and is wrongly coded is pushed out of the conveying device 1. When response unit 5 only includes alarm device 52, in the production process, control unit 4 judges product packaging 10 beats the sign indicating number when wrong, control unit 4 is steerable response unit 5 alarm device 52 makes alarm device 52 sends out the police dispatch newspaper, has in order to warn product packaging 10 beats the sign indicating number and has the mistake, this moment, if do not set up and beat the sign indicating number and have the mistake product packaging 10's rejection mechanism, also can warn operating personnel to operating personnel can be manual will beat the sign indicating number and have the mistake product packaging 10 by reject on the conveyor 1 and go out.
When the response unit 5 includes the horizontal push rod mechanism 51 and the alarm device 52, in step S5 of the missing-code product deleting method of the present invention, if the control unit 4 determines that the code printing of the product package 10 is wrong, the control unit 4 can control the response unit 5 to make a more refined response. If the control unit 4 does not read the counting number N1 of the counting unit 41 and N2 is not greater than or equal to M, when the control unit 4 determines that the product package 10 is not printed with the code, the control unit 4 controls the horizontal push rod mechanism 51 of the response unit 5 to extend the horizontal push rod mechanism 51, and pushes the product package 10 which is conveyed to the horizontal push rod mechanism 51 and printed with the code without printing out of the conveying device 1; if N2> M, regardless of whether the control unit 4 reads the count value N1 of the counting unit 41 and the size of the count value N1 when the count value N1 is read, when the control unit 41 judges that the product packages 10 are conveyed next to be connected, the control unit 4 controls the alarm device 52 of the response unit 5 to make the alarm device 52 give an alarm.
According to the missing code product deleting method, if no side package appears on the product package 10, only the code is missed, the product package 10 which is missed to be printed can be accurately pushed out of the conveying device 1 through the horizontal push rod mechanism 51; in the case of the product packages 10 in a continuous package manner, since the number of the continuous packages is not determined, the removal by the horizontal push rod mechanism 51 is complicated, and at this time, the warning processing by the warning device 52 is more convenient. According to the missing code product deleting method, the eliminating work of wrong products in the code printing process of the product package 10 can be more efficient and convenient in a mechanical and manual combined mode.
In the method for deleting the missing code product, when the control unit 4 controls the horizontal push rod mechanism 51 of the response unit 5 to extend the horizontal push rod mechanism 51 and pushes the product package 10 which is conveyed to the horizontal push rod mechanism 51 and is missed in code printing out of the conveying device 1, the control unit 4 usually calculates the time for conveying the product package 10 to the horizontal push rod mechanism 51 and then controls the horizontal push rod mechanism 51 to extend.
In the product packaging and coding device of the present invention, preferably, the horizontal push rod mechanism 51 is an air cylinder. The horizontal push rod mechanism 51 can be a screw rod mechanism driven by a motor, and can also adopt an air cylinder, and compared with the former, the latter has a simpler structure.
In the product packaging coding device of the present invention, the alarm device 52 generally comprises an alarm bell 521 or/and an alarm lamp 522.
The invention relates to a product packaging coding device, wherein the conveying device 1 is a conveying belt device generally. In coding like a milk package, transport is usually performed by means of conveyor belts.
According to the product packaging code printing device, the code printing equipment 2 is the existing equipment, the specific structure is not described too much.
In the product packaging and coding device of the present invention, preferably, the product detection sensor 3 includes a light emitter 31 and a light receiver 32 which are oppositely disposed, the light emitter 31 and the light receiver 32 are respectively located at two sides of the conveying device 1, and the light receiver 32 is electrically connected to the control unit 4. The product detection sensor 3 may be a position sensor or the photoelectric sensor described above, and the photoelectric sensor is used in this place, which provides higher detection accuracy.
According to the product packaging and coding device, the control unit 4 is an MCU processor. The control unit 4 may be a wide variety of controllers.
According to the missing code product deleting method, a set of method capable of judging whether the product package 10 is error-printed or not is designed through specific arrangement of the code printing device 2 and the product detection sensor 3 and combination of the control unit 4 and the response unit 5, according to the judging method, the control unit 4 can control the response unit 5 to make a corresponding response that the product package 10 is error-printed, if an alarm is sent out or the product package 10 with missing code printing is directly removed from the conveying device 1, detection and screening of the product package 10 with missing code or continuous package in the code printing process are realized, and therefore the product package 10 output by the conveying device 1 is all code printed. The missing code product deleting method realizes automatic detection of the missing code or the product package 10 in a continuous bag, has high detection efficiency and more accurate detection result, avoids the use of a large number of missing code detection personnel in the production process, and has lower labor cost.
In the missing-code product deleting method of the present invention, the leading edge of the product package 10 refers to the leading end line of the product package 10 in the width direction, and the "when the product detecting sensor 3 detects the leading edge of the product package 10" in step S3 refers to the "when the product detecting sensor 3 detects the leading end line of the product package 10 in the width direction"; the rear edge of the product package 10 generally refers to the rear end line of the product package 10 in the width direction, and the "rear edge of the product package 10 passing the product detecting sensor 3" in step S3 refers to the "rear end line of the product package 10 in the width direction passing the product detecting sensor 3". According to the missing code product deleting method, when the product package 10 is of a square structure, a front end line in the width direction of the product package 10 and a rear end line in the width direction of the product package 10 are respectively a front boundary line and a rear boundary line formed by forward projection of the product package 10; when the product package 10 is a special-shaped structure, the front end line of the product package 10 in the width direction and the rear end line of the product package 10 in the width direction are respectively a front vertical line and a rear vertical line where two end points of the maximum width of the forward projection of the product package 10 are located.
In the missing code product deleting method, the conveying speed of the conveying device 1 is consistent all the time.
For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all should be considered as belonging to the protection scope of the invention.
Claims (10)
1. A missing code product deleting method is characterized in that: the code printing device is realized based on a product package code printing device, wherein:
the product packaging code printing device comprises a conveying device, code printing equipment, a product detection sensor, a control unit and a response unit, wherein the product detection sensor and the code printing equipment are sequentially arranged on the side of a conveying path of the conveying device along the conveying direction of the conveying device, the horizontal distance between the code printing equipment and the product detection sensor is smaller than a numerical value L, the numerical value L is a numerical value equal to the width of a product package, the control unit is provided with a counting unit, and the code printing equipment, the product detection sensor and the response unit are respectively in communication connection with the control unit;
the missing code product deleting method comprises the following steps:
s1, setting a preset value M for the control unit, wherein the preset value M is equal to the counting value of the counting unit of the control unit within a time T, and the time T is equal to the conveying time spent by the conveying device when the conveying distance is a value L;
S2, placing the product packages on the conveying device, and conveying the product packages by the conveying device in sequence;
s3, conveying each product package to the product detection sensor, and when the product detection sensor detects the front edge of the product package, clearing the counting unit of the control unit and starting counting; with the conveying of the conveying device, when the product package is conveyed to the coding device, the coding device codes the product package, after coding, the coding device feeds back a coding signal to the control unit, and when the control unit receives the coding signal of the coding device, the control unit reads a counting value N1 of the counting unit at the moment, wherein N1 is a positive number;
s4, the control unit judges whether the product package is correct when the product package is coded according to whether the counting numerical value N1 of the counting unit is read or not and the size of the counting numerical value N1 when the counting numerical value N1 is read; if the control unit reads the counting numerical value N1 of the counting unit and 0< N1< M, the control unit judges that the product package is coded correctly; otherwise, the control unit judges that the product package is wrongly coded;
And S5, when the control unit judges that the product package is wrongly coded, the control unit controls the response unit to make the response unit respond to the product package with wrong coding.
2. The missing-code product deletion method of claim 1, wherein: in step S3, after the product package passes through the coding device, the rear edge of the product package passes through the product detection sensor along with the conveying of the conveying device, and when the product detection sensor no longer detects the product package, the control unit reads a count value N2 of the counting unit at the time, where N2 is a positive number;
step S4 is that the control unit determines whether the product package is correct when the product package is coded according to whether the count value N1 read to the count unit exists, and the count values N1 and N2 when the count value N1 is read; if the control unit reads the counting number N1 of the counting unit and 0< N1< N2 is not more than M, the control unit judges that the product package is correct in coding; if the control unit does not read the counting value N1 of the counting unit and N2 is not more than or equal to M, the control unit judges that the product package is not printed with codes; if N2> M, the control unit determines that the product packages are being transported next to each other regardless of whether the control unit reads the count value N1 of the counting unit and the size of the count value N1 when the count value N1 is read.
3. The missing-code product deletion method according to claim 1, wherein: the response unit comprises a horizontal push rod mechanism facing the conveying device, the product detection sensor, the code printing equipment and the horizontal push rod mechanism are sequentially arranged on the side of the conveying device along the conveying direction of the conveying device, and the horizontal push rod mechanism is electrically connected with the control unit.
4. The missing-code product deletion method according to claim 3, wherein: the horizontal push rod mechanism is a cylinder.
5. The missing-code product deletion method according to claim 1, wherein: the response unit includes an alarm device electrically connected to the control unit.
6. The missing-code product deletion method of claim 5, wherein: the alarm device comprises an alarm bell or/and an alarm lamp.
7. The missing-code product deletion method of claim 2, wherein: the response unit comprises an alarm device and a horizontal push rod mechanism facing the conveying device, the product detection sensor, the code printing equipment and the horizontal push rod mechanism are sequentially arranged on the side of the conveying device along the conveying direction of the conveying device, and the horizontal push rod mechanism and the alarm device are respectively and electrically connected with the control unit;
Step S5, if the control unit does not read the counting value N1 of the counting unit and N2 is not more than or equal to M, when the control unit judges that the product package is not printed with the code, the control unit controls the horizontal push rod mechanism of the response unit to extend the horizontal push rod mechanism, and the product package which is conveyed to the horizontal push rod mechanism and is not printed with the code is pushed out of the conveying device; if N2> M, the control unit controls the alarm device of the response unit to make the alarm device give an alarm when the control unit judges that the product packages are conveyed next to each other regardless of whether the control unit reads the counting number N1 of the counting unit and the size of the counting number N1 when the counting number N1 is read.
8. The missing-code product deletion method according to claim 1, wherein: the product detection sensor comprises a light emitter and a light receiver which are oppositely arranged, the light emitter and the light receiver are respectively positioned on two sides of the conveying device, and the light receiver is electrically connected with the control unit.
9. The missing-code product deletion method according to claim 1, wherein: the conveying device is a conveying belt device; the control unit is an MCU processor.
10. A product packaging code printing device applied to the code missing product deleting method of any one of claims 1 to 9, wherein: include conveyor, beat sign indicating number equipment, product detection sensor, the control unit and response unit, the product detection sensor with beat the sign indicating number equipment and follow conveyor's direction of delivery locates in proper order conveyor's side, beat the sign indicating number equipment with the horizontal interval of product detection sensor is less than a numerical value L, and numerical value L is a numerical value that equals with product packaging width, the control unit has the counting unit, beat the sign indicating number equipment the product detection sensor the response unit equally divide do not with the control unit communication is connected.
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