CN213677583U

CN213677583U - Paste mark and detect output mechanism

Info

Publication number: CN213677583U
Application number: CN202022456288.7U
Authority: CN
Inventors: 厉勇; 章嘉麟; 蔡德旺
Original assignee: Zhejiang Dingye Machinery Co Ltd
Current assignee: Zhejiang Dingye Machinery Co Ltd
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-07-13
Anticipated expiration: 2030-10-29

Abstract

The utility model discloses a labeling detection output mechanism, wherein a printing mechanism is arranged on a film sealing and cutting machine body and is used for labeling a product sleeved with a film after the label is printed; the control module is arranged to store and store label information, and is in signal connection with the printing mechanism and used for feeding the label information back to the printing mechanism for printing; the output end of the film sealing and cutting machine body is further connected with an output detection mechanism, the output detection mechanism comprises an output belt, a sensor, a detector and a rejection mechanism, the sensor, the detector and the rejection mechanism are arranged in the conveying direction of the output belt, the sensor is used for feeding back a signal to stop the output belt when detecting that a product arrives or passes through, the detector is used for carrying out information detection on the product which is stopped to be conveyed and feeding back the information to the control module to carry out information comparison, and the rejection mechanism is used for pushing the product which does not correspond to the information away. Printing mechanism and seal and cut the synchronous work of structure, and detect product information and the rejection of wrong product, improve packing efficiency.

Description

Paste mark and detect output mechanism

Technical Field

The utility model relates to a product packaging field, more specifically the mark that pastes that says so relates to a be applied to on full-automatic film seals cuts packagine machine detects output mechanism.

Background

The fully automatic film sealing and cutting packaging machine in the prior art can refer to the invention patent application with the application number of 201710069136.1 and the patent name of 'a fully automatic film sealing and cutting packaging machine' previously applied by the applicant; the folded film is sent to a film covering device through a film sending device, a first conveying belt is arranged at the film covering device, the film covering device opens the film at the upper side and the lower side of the first conveying belt to form a U shape, and the first conveying belt conveys a product to be packaged; the film and the product are sent to a second conveyor belt at the back, the side edge of the second conveyor belt is provided with a side sealing and cutting mechanism for sealing and cutting the side edge of the film, the inlet end or the outlet end of the second conveyor belt is provided with a front sealing and cutting mechanism for sealing and cutting the front surface of the film, and then a third conveyor belt for outputting the product is arranged; when the sealing and cutting mechanism is used for sealing and cutting, the second conveying belt stops running, the printing and labeling mechanism is additionally arranged at the second conveying belt, so that the sealing and cutting of the packaging film and the labeling on the packaging film can be synchronously completed, and the efficiency is improved. However, in the whole conveying process, various different products are inevitably conveyed to be packaged, so that it is very important that the products accurately correspond to the printed label information, and if the products are wrongly pasted, a manual subsequent checking and correcting step is needed, so that the packaging efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a paste mark and detect output mechanism, it can be after the product pastes the label, detect label information and check to feed back to control module, if there is the mistake in information, can reject the product, avoid the label to paste the delivery mistake that appears the mistake and cause, be convenient for automatic detection and improve detection efficiency.

The utility model provides a following technical scheme: a kind of labeling measures the output mechanism, including the body of the film seal cutter, set up the printing mechanism on the body of the film seal cutter, the printing mechanism is used for printing the label to the products that the cover has films that is transported on the body of the film seal cutter and labelling; the label printing device also comprises a control module, wherein the control module stores label information, is in signal connection with the printing mechanism and is used for feeding the label information back to the printing mechanism for printing; the output end of the film sealing and cutting machine body is further connected with an output detection mechanism, the output detection mechanism comprises an output belt, a sensor, a detector and a rejection mechanism, the sensor, the detector and the rejection mechanism are arranged in the conveying direction of the output belt, the sensor is used for feeding back a signal to stop the output belt when detecting that a product arrives or passes through, the detector is used for carrying out information detection on the product which is stopped to be conveyed and feeding back the information to the control module to carry out information comparison, and the rejection mechanism is used for pushing the product which does not correspond to the information away from the.

As an improvement, the information of the product is a one-dimensional code or a two-dimensional code or a three-dimensional code arranged on the label.

As an improvement, the sensor is a pair of photoelectric switches arranged on two sides of the output belt.

As an improvement, a photoelectric switch, a detector and a rejecting mechanism are sequentially arranged on an output belt, and the photoelectric switch is close to the inlet end of the output belt and used for feeding back a signal to signal the output belt to stop after detecting that a product passes through.

As an improvement, the removing mechanism comprises an air cylinder and a push block which are arranged on one side of the output belt, the air cylinder drives the push block to extend or retract, and the push block pushes products on the output belt away from the output belt towards the other side when the push block is pushed out.

As an improvement, the film sealing and cutting machine body comprises a film conveying device for conveying a film, a film sleeving device for sleeving the film on a product, a sealing and cutting mechanism for sealing and cutting the film, a first conveying belt for conveying the product and a second conveying belt for conveying the product sleeved with the film, wherein the first conveying belt and the second conveying belt are sequentially arranged, the film sleeving device is arranged at the first conveying belt, the sealing and cutting mechanism is arranged at the second conveying belt, the sealing and cutting mechanism forms an L shape at the side edge and the input end of the second conveying belt to seal and cut the film, the outlet end of the second conveying belt corresponds to the inlet end of the output belt, and a printing mechanism is arranged above the second conveying belt.

As an improvement, the printing mechanism comprises a printer, a blowing component and an adsorption component, the blowing component is arranged below a label outlet of the printer, the adsorption component is arranged in front of the blowing component, the blowing component is used for blowing up a label output from the printer outlet to the adsorption component and adsorbing the label by the adsorption component, and the adsorption component is lifted up and down by arranging a driving mechanism; when the product sleeved with the film is conveyed to the second conveying belt, the product is stopped below the adsorption component, and when the sealing and cutting mechanism performs sealing and cutting, the adsorption component is driven by the driving mechanism to descend, so that the label is attached to the product sleeved with the film.

As an improvement, the adsorption component is arranged to be close to the input end of the second conveying belt, so that when the adsorption component is attached with a label, the sealing and cutting mechanism at the input end of the second conveying belt is used for assisting in limiting the product sleeved with the film.

The utility model has the advantages that: on the basis that the full-automatic film sealing and cutting packaging machine is used for outputting films and objects to be packaged in a conventional conveying sealing and cutting mode, the printing mechanism can be additionally arranged at the sealing and cutting station, labels can be attached to products sleeved with the films when the sealing and cutting mechanism is used for sealing and cutting, the integration of labeling and sealing and cutting processes is achieved, and time consumption caused by the original independent labeling is greatly reduced. The set control module is prestored with product information and used for feeding back the product information to the printing mechanism to generate label information; the label information pasted on the product is detected by the subsequent output detection mechanism, the information in the control module is compared after detection, the verification effect is realized, the condition that the control module prints wrong labels due to errors when feeding back the information is avoided, and if the errors occur, the wrong labels are rejected. The utility model discloses improved packing efficiency on the whole, integrated original full-automatic film through automatic mode and sealed the function of cutting packagine machine and realize labelling and detect the check-up, the liberation labour guarantees the efficiency of whole product package production.

Drawings

Fig. 1 is a schematic view of a three-dimensional structure of the film sealing and cutting machine of the present invention.

Fig. 2 is a schematic view of a local three-dimensional structure of the output detection mechanism of the present invention.

Fig. 3 is a schematic view of the local three-dimensional structure of the film sealing and cutting machine of the present invention.

Fig. 4 is a schematic view of the local three-dimensional structure of the printing mechanism, the sealing and cutting mechanism and the second conveyer belt of the present invention.

Fig. 5 is a schematic perspective view of a printing mechanism according to the present invention.

Fig. 6 is a schematic perspective view of a printing mechanism according to the present invention.

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.

As shown in fig. 1, 2, 3, 4, 5 and 6, it is a specific embodiment of the output mechanism for labeling detection of the present invention. The embodiment comprises a film sealing and cutting machine body, wherein a printing mechanism 02 is arranged on the film sealing and cutting machine body, and the printing mechanism 02 is used for labeling a product which is conveyed on the film sealing and cutting machine body and is sleeved with a film after printing a label; the label printing device further comprises a control module 01, wherein label information is stored in the control module 01, and the control module 01 is in signal connection with the printing mechanism 02 and is used for feeding the label information back to the printing mechanism 02 to be printed; the output end of the film sealing and cutting machine body is further connected with an output detection mechanism 1, the output detection mechanism 1 comprises an output belt 11, a sensor 12 arranged in the conveying direction of the output belt 11, a detector 13 and a rejection mechanism 14, the sensor 12 is used for feeding back a signal to enable the output belt 11 to stop after a product is detected to arrive or pass, the detector 13 is used for carrying out information detection on the product which is stopped to be conveyed and feeding back the product to a control module 01 for information comparison, and the rejection mechanism 14 is used for pushing the product which does not correspond to the information away from the output belt 11 from the side edge.

The film sealing and cutting machine body comprises a film feeding device A1 for conveying a film, a film sleeving device A2 for sleeving the film on a product, a sealing and cutting mechanism A3 for sealing and cutting the film, a first conveying belt B1 for conveying the product and a second conveying belt B2 for conveying the product sleeved with the film, wherein the first conveying belt B1 and the second conveying belt B2 are sequentially arranged, the film sleeving device A2 is arranged at the first conveying belt B1, the sealing and cutting mechanism A3 is arranged at the second conveying belt B2, the sealing and cutting mechanism A3 forms an L shape at the side edge and the input end of the second conveying belt B2 for sealing and cutting the film, the outlet end of the second conveying belt B2 corresponds to the inlet end of the output belt 11, and a printing mechanism 02 is arranged above the second conveying belt B2.

When the utility model is used, the folded film is sent to the film covering device A2 through the film sending device A1, the film covering device A2 is positioned at the first conveying belt B1, the film covering device A2 opens the film at the upper side and the lower side of the first conveying belt B1 to form a U shape, and the first conveying belt B1 conveys the product to be packaged; the film and the products are sent to a second rear conveyer belt B2, a sealing and cutting mechanism A3 is arranged at the side edge and the front end of the second conveyer belt B2 to seal and cut the side edge and the front end of the film, and the film and the products are conveyed backwards and output after sealing and cutting. In the whole process, when the sealing and cutting mechanism A3 needs to seal and cut, the second conveying belt B2 stops running, the product is output after sealing and cutting, the printing mechanism 02 is arranged above the second conveying belt B2, the attaching position of the label corresponds to the position where the product with the film stays, the product can be attached with the label while sealing and cutting, time consumption caused by original independent labeling is greatly reduced, the time for attaching the label is saved, and therefore packaging efficiency is improved.

After the products covered with the films are sealed, cut and labeled, the products are conveyed to the output belt 11 from the second conveying belt B2, a feedback signal is sent to stop the output belt 11 after reaching or passing through the sensor 12, the position where the products stay corresponds to the detector 13 at the moment, the label information adhered to the films of the products is opposite to the detector 13, the detector 13 reads the product information and feeds the product information back to the control module 01, if the label information does not correspond to the product information after comparison, the control module 01 possibly generates errors when feeding back the information, the products need to be removed, the output belt 11 is restarted, and then when the products pass through the removing mechanism 14, the removing mechanism 14 is started to push the products away from the output belt 11, so that the correction and removal work before the products is realized; if the compared label information corresponds to the product information in the control module 01, the product is normally conveyed and output continuously to finish packaging. The utility model discloses improved packing efficiency on the whole, integrated original full-automatic film through automatic mode and sealed the function of cutting packagine machine and realize labelling and detect the check-up, the liberation labour guarantees the efficiency of whole product packaging production, avoids doing over again and carries out the detection check-up of manpower.

As an improved specific implementation mode, the information of the product is a one-dimensional code or a two-dimensional code or a three-dimensional code arranged on the label.

The detector 13 may be implemented by a device having a visual data acquisition function, such as a camera, which shoots information data on a product or a label and feeds the information data back to the control module 01, and the technology is mature and convenient to set and use. The information data on the product can be realized by adopting one-dimensional codes, two-dimensional codes and three-dimensional codes with mature technologies, the one-dimensional codes, the two-dimensional codes and the three-dimensional codes which are recorded with corresponding information are printed on the label through the printing mechanism 02, and the pasting position of the label is consistent with the position of the detector 13, so that normal matching detection can be realized.

As a modified embodiment, the sensors 12 are a pair of photoelectric switches disposed on both sides of the output tape 11. The photoelectric switch, the detector 13 and the rejecting mechanism 14 are sequentially arranged on the output belt 11, and the photoelectric switch is close to the inlet end of the output belt 11 and used for feeding back a signal to signal the output belt 11 to stop after detecting that a product passes through.

As shown in fig. 1 and 2, the photoelectric switches are characterized in that when no object blocks, a pair of photoelectric switches normally irradiate in opposite directions, when an object passes through, the light beams of the photoelectric switches are shielded, the passing of the object can be well detected, and because the opposite detection is adopted, the position of the object on the whole conveyor belt is slightly deviated, and the smooth detection is not influenced.

Preferably, the sensor 12 is set to feed back a signal to the output belt 11 to stop after the product passes, so that the sensor 12 is correspondingly set at the inlet end of the output belt 11, the light beam of the photoelectric switch is continuously blocked during the product passing process, and when the photoelectric switch normally irradiates after the product passes, the feedback signal signals the output belt 11 to stop, and the detector 13 positioned behind performs good alignment detection with the product.

As a modified embodiment, the rejecting mechanism 14 includes an air cylinder 141 disposed on one side of the output belt 11 and a pushing block 142, the air cylinder 141 drives the pushing block 142 to extend or retract, and the pushing block 142 pushes the products on the output belt 11 away from the output belt 11 toward the other side when pushing out.

As shown in fig. 1 and 2, the specific manner of arranging the air cylinder 141 and the push block 142 can complete the rejection of the product at a lower cost. The cylinder 141 extends and retracts to two stations, so that the product can be well pushed away from the output belt 1. As an optimization, the pushing block 142 may be configured to have a plate-shaped structure with a certain width, so as to adapt to stable pushing of products with different specifications. As optimization, the removing mechanism 14 can be provided with a plurality of groups in the conveying direction of the output belt 1, when the control module 01 determines that products to be removed are different types in the process of correcting information, the products can be removed when being conveyed to the removing mechanism 14 at a certain position, then different collecting chambers are placed at the blanking positions on the side edge of the output belt 1, the classified collection of the removed products of certain types is realized, and the products can be conveniently recovered, redistributed and conveyed later.

As a modified specific embodiment, the printing mechanism 02 includes a printer 021, a blowing component 022 and an adsorbing component 023, the blowing component 022 is arranged below a label outlet of the printer 021, the adsorbing component 023 is arranged in front of the blowing component 022, the blowing component 022 is used for blowing up a label output from the outlet of the printer 021 to the adsorbing component 023 and adsorbing the label by the adsorbing component 023, and the adsorbing component 023 is lifted up and down by arranging a driving mechanism 024; when the product covered with the film is conveyed to the second conveyor B2, the product is stopped below the adsorption module 023, and when the sealing and cutting mechanism A3 seals and cuts the product, the driving mechanism 024 drives the adsorption module 023 to descend, so that the label is attached to the product covered with the film.

As shown in fig. 3, 4, 5, and 6, a printer 021 in the printing mechanism 02 can be realized by the prior art, for structural improvement, a blowing component 022 is arranged below a label outlet of the printer 021, a label output from the printer 021 has a sticky side facing downwards, a paper tape attached to the sticky side is wound back into the printer 021 through a roller of the printer 021, the label is continuously blown upwards by the blowing component 022 after being output and is not dropped and attached to a lower surface of an adsorption component 023, after the label is completely output, the adsorption component 023 is started to suck the label and not drop, the complete label is located on the lower surface of the adsorption component 023, and the blowing component 022 can stop working; stopping operation when the second conveying belt B2 conveys the product covered with the film to the sealing and cutting position, wherein the product covered with the film also corresponds to the position of the label; the sealing and cutting mechanism A3 can seal and cut the side edge and the back edge of the film, and simultaneously, the adsorption component 023 is driven by the driving mechanism 024 to descend to paste the label on the film, after the sealing and cutting mechanism A3 and the adsorption component 023 are reset, the integration of labeling and sealing and cutting processes is completed, and the product is continuously conveyed to the back process; the mode of so setting up has saved the time that originally individual labelling spent, has improved packing efficiency, guarantees the efficiency of whole product production.

As a modified embodiment, the adsorbing component 023 is arranged close to the input end of the second conveyer belt B2, so that when the adsorbing component 023 is used for labeling, the sealing and cutting mechanism A3 at the input end of the second conveyer belt B2 is used for auxiliary limiting of the product sleeved with the film.

As shown in fig. 3 and 4, in order to improve the stability and the smoothness of the label, it is preferable to dispose the suction component 023 near the input end of the second conveyor belt B2 on the side where the label is transported from the far-end printer 021 through the blowing component 022 to the near-end suction component 023; before the label pasted to the film, the seal of front end and side was cut the mechanism A3 and is foldd and carry out the heat-seal to the film, and it has played spacing fixed effect to the film, adsorbs subassembly 023 descends to attach label to the film this moment, more is favorable to the stable level and smooth subsides of film and label to establish.

As a modified embodiment, the blowing assembly 022 includes a blowing pipe 0221, the blowing pipe 0221 is disposed perpendicular to the conveying direction of the label and is provided with a plurality of second through holes 0222 for blowing air at an inclined position thereof toward the suction assembly 023, and the second through holes 0222 are externally connected to an air blowing mechanism for blowing air.

As shown in fig. 5 and 6, the blow pipe 0221 is below the outlet of the printer 021, the second through holes 0222 inclined toward the adsorption component 023 (specifically, the adsorption plate 0231) are uniformly arranged in the axial direction of the blow pipe 0221, the label can be stably blown in the width direction, after the blowing mechanism is externally connected with the blowing mechanism, when the blowing mechanism is started, the air flow blown out from the second through holes 0222 blows toward the adsorption plate 0231 and flows along the adsorption plate 0231, so that after the upper surface of the label is blown up and supported on the adsorption plate 0231, the flowing air flow can keep the whole label not to fall, after the label is completely separated from the printer 021 and reaches the adsorption plate 0231, the label is sucked by the starting of the suction mechanism, the label cannot fall in the whole process, it can be ensured that the lower surface of the label having viscosity does not contact with the peripheral structure, and a good label conveying and positioning effect is achieved. Preferably, the inclination angle of the second through holes 0222 can be set to be 45 degrees from the horizontal plane, so as to achieve the best effect of blowing and air flow.

As a modified embodiment, the blower pipe 0221 is disposed on the housing 0211 of the printer 021 through a mounting bracket 0203, a horizontal waist-shaped hole 0204 is disposed on the mounting bracket 0203, the mounting bracket 0203 is mounted through the waist-shaped hole 0204 by a fastener, and the mounting bracket 0203 is horizontally slid through the waist-shaped hole 0204 to adjust the horizontal position of the blower pipe 0221 and the label outlet of the printer 021.

As shown in fig. 5, after the blowing pipe 0221 is arranged on the mounting frame 0203 on one side, the horizontal position of the blowing pipe 0221 relative to the printing machine 021 can be adjusted through the waist-shaped hole 0204 on the mounting frame 0203, so that the distances between the blowing pipe 0221, the adsorption plate 0231 and the label outlet of the printing machine 021 can be synchronously adjusted according to different label specifications, and accurate blowing and adsorption during label output are ensured; and the position of the lower conveyer belt can be adjusted relatively, so that the position of the label attached to the film can be adjusted by matching with the adsorption plate 0231. The setting mode of waist type hole 0204 makes during the debugging only need unscrew the fastener can the horizontal position of translation mounting bracket 0203, needn't whole fastener of pulling down, provides convenience for the debugging.

As a modified specific implementation, the adsorption component 023 comprises an adsorption plate 0231, a plurality of first through holes 0232 for adsorption are arranged on the lower surface of the adsorption plate 0231, and the first through holes 0232 are externally connected with a suction mechanism for sucking air.

As shown in fig. 5 and 6, the whole adsorbing plate 0231 is configured to adsorb a label, and specifically, can be configured with first through holes 0232 of an array, and when the air suction mechanism is started after being externally connected with the air suction mechanism, the first through holes 0232 corresponding to the label can adsorb the label, so as to realize smooth adsorption positioning of the label; the specification of adsorption plate 0231 can be set to be larger for matching with labels of different sizes to adsorb, so that the applicability is improved.

As an improved specific embodiment, the adsorption component 023 further comprises a sliding rod 0233, the sliding rod 0233 is arranged on the upper portion of the adsorption plate 0231, and can be slidably arranged on a support 0201 up and down.

As shown in fig. 5 and 6, the bracket 0201 is a stable structure, and is used for the sliding rod 0233 to slide up and down, preferably, a sliding bearing is arranged to realize the cooperation of the sliding bearing and the sliding rod, so that the sliding rod can slide up and down stably and flexibly, and the driving mechanism 024 is favorable for the flexibility and stability when the driving mechanism 024 drives the adsorption plate 0231 to move up and down.

As a modified embodiment, the driving mechanism 024 is a cylinder, and the cylinder is disposed on the bracket 0201, and the cylinder shaft thereof is connected to the adsorption plate 0231.

As shown in fig. 5 and 6, the cylinder has two stable upper and lower stations extending out and retracting, which can well realize the elevation of the adsorption plate 0231, ensure the stop accuracy of the upper position, and firmly attach the label to the film by the pressure of the cylinder below.

As a modified embodiment, the cylinder shaft of the cylinder is connected to the middle of the adsorption plate 0231, and the two sliding rods 0233 are symmetrically arranged at two sides of the cylinder shaft.

As shown in fig. 5 and 6, the cylinder is arranged at the middle part, the specific structures of the sliding rods 0233 are arranged at the two sides, the stable structure of the adsorption plate 0231 which ascends and descends is ensured, the accurate sticking of the label is favorably ensured, and the stress abrasion of the cylinder and the shaft can be reduced.

As an improved specific implementation mode, the bracket 0201 is arranged on the shell 0211 of the printer 021 through a horizontal sliding rail mechanism 0202, and horizontal sliding adjustment and the horizontal position of the label outlet of the printer 021 are carried out.

As shown in fig. 5 and 6, after the horizontal sliding rail mechanism 0202 is arranged, the horizontal position of the adsorption plate 0231 can be debugged, so that the distance between the adsorption plate and the label outlet of the printer 021 can be debugged according to different label specifications, and accurate adsorption when the label is output is ensured; and the position of the conveying belt below the conveying belt can be adjusted relatively, so that the position of the label attached to the film can be adjusted. The particular horizontal slide rail mechanism 0202 may be configured as a conventional rail and runner arrangement, both positionable by fasteners.

Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a paste mark and detect output mechanism, includes film seal cutter body, its characterized in that: the film sealing and cutting machine body is provided with a printing mechanism (02), and the printing mechanism (02) is used for labeling a product which is conveyed on the film sealing and cutting machine body and is sleeved with a film after printing a label; the label printing machine is characterized by further comprising a control module (01), wherein label information is stored in the control module (01), and the control module (01) is in signal connection with the printing mechanism (02) and is used for feeding back the label information to the printing mechanism (02) for printing; the output of film seal cutter body still is connected with output detection mechanism (1), output detection mechanism (1) is including output area (11) and sensor (12), detector (13) and rejection mechanism (14) that set up on output area (11) direction of delivery, sensor (12) are used for reaching or through back feedback signal detection product and make output area (11) stop, detector (13) are used for carrying out information detection and feeding back control module (01) and carry out information comparison to the product that stops carrying, rejection mechanism (14) are used for pushing away output area (11) from the side with the product that information does not correspond.

2. The label detecting and outputting mechanism according to claim 1, wherein: the product information is a one-dimensional code or a two-dimensional code or a three-dimensional code arranged on the label.

3. The label detecting and outputting mechanism according to claim 1, wherein: the sensor (12) is a pair of photoelectric switches arranged on two sides of the output belt (11).

4. The label detecting and outputting mechanism according to claim 3, wherein: the photoelectric switch, the detector (13) and the rejecting mechanism (14) are sequentially arranged on the output belt (11), and the photoelectric switch is close to the inlet end of the output belt (11) and used for feeding back a signal to stop the output belt (11) after a product is detected to pass through.

5. A label detecting and feeding mechanism according to any one of claims 1 to 4, wherein: the removing mechanism (14) comprises an air cylinder (141) and a pushing block (142) which are arranged on one side of the output belt (11), the air cylinder (141) drives the pushing block (142) to extend or retract, and the pushing block (142) pushes products on the output belt (11) to the other side to separate from the output belt (11) when pushing.

6. A label detecting and feeding mechanism according to any one of claims 1 to 4, wherein: the film sealing and cutting machine body comprises a film feeding device (A1) for conveying a film, a film sleeving device (A2) for sleeving the film on a product, a sealing and cutting mechanism (A3) for sealing and cutting the film, a first conveying belt (B1) for conveying the product and a second conveying belt (B2) for conveying the product sleeved with the film, the first conveyer belt (B1) and the second conveyer belt (B2) are arranged in sequence, the film covering device (A2) is arranged at the first conveyer belt (B1), the sealing and cutting mechanism (A3) is arranged at the second conveyer belt (B2), the sealing and cutting mechanism (A3) forms an L shape at the side edge and the input end of the second conveyer belt (B2) to seal and cut the thin film, the outlet end of the second conveying belt (B2) corresponds to the inlet end of the output belt (11), and a printing mechanism (02) is arranged above the second conveying belt (B2).

7. The label detecting and outputting mechanism according to claim 6, wherein: the printing mechanism (02) comprises a printer (021), a blowing component (022) and an adsorption component (023), wherein the blowing component (022) is arranged below a label outlet of the printer (021), the adsorption component (023) is arranged in front of the blowing component (022), the blowing component (022) is used for blowing up a label output by the outlet of the printer (021) to the adsorption component (023) and adsorbing the label by the adsorption component (023), and the adsorption component (023) is lifted up and down by arranging a driving mechanism (024); when the product covered with the film is conveyed to the second conveying belt (B2), the product is stopped below the adsorption component (023), and when the sealing and cutting mechanism (A3) seals and cuts, the driving mechanism (024) drives the adsorption component (023) to descend, so that the label is attached to the product covered with the film.

8. The label detecting and outputting mechanism according to claim 7, wherein: adsorption component (023) sets up to be close to the input of second conveyer belt (B2), makes adsorption component (023) when setting up the label, carries out the supplementary spacing to the product that the cover has the film by seal cutting mechanism (A3) of second conveyer belt (B2) input.