Card paper labeling machine

By designing an automated cardboard labeling machine, which utilizes fiber optic sensors and stepper motors working in tandem, the problems of uniformity and inconsistent sizes in cardboard packaging have been solved, achieving efficient and consistent labeling results.

CN223521259UActive Publication Date: 2025-11-07YUNNAN BOTANEE BIO TECH GRP CO LTD +1
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202423249322.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-27
Publication Date
2025-11-07
Estimated Expiration
2034-12-27

AI Technical Summary

Technical Problem

In the existing technology, the labeling process of cardboard packaging for small-capacity products is characterized by low uniformity, inconsistent sizes, and low efficiency. The reliance on manual operation leads to slow production speed and unstable quality.

Method used

Design a paperboard labeling machine, comprising a label tape mounting tray assembly, a guide shaft, a release back knife assembly, a pressure plate assembly, and a pulling assembly. Through the coordinated work of fiber optic sensors and stepper motors, it achieves automated label positioning and labeling, ensuring the neatness of the paperboard and the consistency of labeling.

Benefits of technology

It significantly increases production speed, improves labeling efficiency and quality consistency of cardboard packaging, and achieves a production efficiency that is 4-5 times that of manual labor, ensuring the neatness of the cardboard and the consistency of label sizes.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223521259U_ABST
    Figure CN223521259U_ABST
Patent Text Reader

Abstract

The utility model discloses a paperboard labeling machine which comprises an assembly mounting cover, and a label tape mounting disc assembly, a label tape guide shaft I, a label tape guide shaft II, a label separation back knife assembly, a label tape pressing plate assembly and a label tape pulling assembly which are arranged on the front side of the assembly mounting cover, and an operation platform is arranged at the top end of the assembly mounting cover; a limiting adjusting assembly is arranged on the rear portion of the operation platform. A labeling opening is formed in the front portion of the operation platform, a paperboard positioning push head assembly is arranged on one side of the labeling opening, a paperboard pressing frame is arranged above the labeling opening, and the paperboard pressing frame is located below the paperboard positioning push head assembly. A label pressing wheel assembly is arranged under the labeling opening, and an extrusion labeling position is formed between the paperboard pressing frame and the label pressing wheel assembly. According to the paperboard labeling machine disclosed by the utility model, packaging paperboards of single-bottle small-capacity products can be sealed and labeled, the labeling quality can be greatly improved, and the uniformity and the overall appearance quality of the packaging paperboards can be greatly improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to a card paper labeling machine. BACKGROUND

[0002] Some small capacity products, such as single-use essence, injection, sample package, etc. are beautiful and not damaged or not mutual scratch in the process, and the product is covered in the card paper, the card paper is folded, and the label is pasted at the port, which is completed by artificial at present, and the card paper neatness is low and the labeling size is inconsistent, and the efficiency is low, and the utility model discloses a card paper labeling machine. UTILITARY MODEL CONTENT

[0003] The utility model discloses a card paper labeling machine, compared with the artificial pasting sign, can greatly improve the production speed, and the neatness of card paper is limited, and the limitation of pasting position and stress size can greatly improve the uniformity and overall appearance quality of packaging card paper pasting.

[0004] The technical scheme for realizing the above object is as follows: a card paper labeling machine, comprising an assembly mounting cover, a label tape mounting disc assembly, a label tape guide shaft one, a label tape guide shaft two, a label separation back knife assembly, a label tape pressing plate assembly and a label tape pulling assembly arranged on the front side of the assembly mounting cover, wherein:

[0005] The top end of the assembly mounting cover is provided with an operation platform;

[0006] The rear part of the operation platform is provided with a limiting adjustment assembly;

[0007] The front part of the operation platform is provided with a labeling port, one side of the labeling port is provided with a positioning card paper push head assembly, the upper part of the labeling port is provided with a card paper pressing frame, and the card paper pressing frame is located below the positioning card paper push head assembly, and the card paper pressing frame is provided with an optical fiber sensor;

[0008] The lower part of the labeling port is provided with a label pressing wheel assembly, and the card paper pressing frame and the label pressing wheel assembly constitute a extrusion labeling position;

[0009] The label tape pulling assembly and the label tape mounting disc assembly are arranged one above the other;

[0010] The label separation back knife assembly and the label tape pressing plate assembly are adjacently arranged below the labeling port;

[0011] The label tape guide shaft two is located below the label separation back knife assembly, and the label tape guide shaft one is located below the label tape guide shaft two.

[0012] The paper labeler has the label tape installed on the label tape installation disc assembly, one end of the label tape passing around the label tape guide shaft 1 counterclockwise, then passing around the label tape guide shaft 2 clockwise, the label tape extending upward and passing around the label separating back knife assembly counterclockwise, the label tape being pressed against the label separating back knife assembly by the label tape pressing plate assembly, the labels on the label tape gradually separating from the label tape when passing around the label separating back knife assembly, the label separating from the label tape being first attached to the positioning paper push head assembly, the folded paper overlapping part abutting against the positioning paper push head assembly, the side of the paper abutting against the limiting adjustment assembly, the labels not separating from the label tape being embedded between the paper pressing frame and the label pressing wheel assembly with the paper under the action of the positioning paper push head assembly, the labels separating from the label tape being extended to the label tape pulling assembly, and the label tape pulling assembly guiding the labels separating from the label tape out.

[0013] The paper labeler has the operation platform arranged at the top end of the assembly installation cover through the horizontal support adjustment assembly, and the left and right sides of the bottom end of the operation platform being respectively provided with horizontal support adjustment blocks.

[0014] The paper labeler has the label tape installation disc assembly composed of a transparent limiting disc, a disc rotating shaft, a fixing ring and a rotating inner lining, the transparent limiting disc being rotatably sleeved on the disc rotating shaft, the disc rotating shaft being fixed on the front side of the assembly installation cover through screws, the fixing ring being arranged at the connecting position of the transparent limiting disc and the disc rotating shaft, and the rotating inner lining being arranged on the inner side of the transparent limiting disc.

[0015] The paper labeler has the limiting adjustment assembly composed of a limiting plate and an adjusting screw arranged on the limiting plate, the limiting plate being provided with a longitudinal long slot, and the adjusting screw being connected with the operation platform through the longitudinal long slot.

[0016] The paper labeler has the label separating back knife assembly composed of a limiting seat, a T-shaped support frame, a support rod, a sliding pressing plate and a pressing plate fixed back plate, the limiting seat being fixed on the front side of the assembly installation cover through screws, the T-shaped support frame being arranged at the front end of the limiting seat, the front end of the support rod being connected with the T-shaped support frame, the sliding pressing plate being movably arranged on the top end of the limiting seat through the pressing plate fixed back plate, and the sliding pressing plate being arranged obliquely.

[0017] The card paper labeling machine, wherein the label tape pressing plate assembly comprises a polyurethane pressing plate, an adjusting frame and a rotating shaft, the polyurethane pressing plate is arranged on the rotating shaft, the adjusting frame is arranged at the rear end of the rotating shaft, the adjusting frame is arranged on the front side of the assembly mounting cover, an inclined strip-shaped hole is arranged on the adjusting frame, the adjusting frame is connected with the front side of the assembly mounting cover through the adjusting bolt head arranged in the inclined strip-shaped hole, and the top end of the polyurethane pressing plate abuts against the sliding pressing plate.

[0018] The card paper labeling machine, wherein the card paper pressing frame is a U-shaped frame, and the optical fiber sensor is arranged at the open end of the card paper pressing frame; and the card paper pressing frame is arranged at the top end of the operation platform.

[0019] The label pressing wheel assembly comprises a longitudinally arranged lower pressing wheel and a pressing wheel mounting rod arranged at the front and rear ends of the lower pressing wheel; and the pressing wheel mounting rod is connected with the bottom end of the operation platform.

[0020] The closed end of the card paper pressing frame is located directly above the lower pressing wheel of the label pressing wheel assembly, and the two constitute a pressing labeling position.

[0021] The card paper labeling machine, wherein the positioning card paper push head assembly comprises a telescopic plate, a guide shaft, a compression spring, a linear bearing and a reverse limiting plate, the guide shaft is sleeved on the linear bearing, the telescopic plate is arranged at one end of the guide shaft, the reverse limiting plate is arranged at the other end of the guide shaft, the compression spring is sleeved on the guide shaft and located between the telescopic plate and the linear bearing, and the linear bearing is fixed at the top end of the operation platform.

[0022] The card paper labeling machine, wherein when the labels on the label tape gradually separate from the label tape upwards, a part of the labels separated from the label tape first adhere to the telescopic plate of the positioning card paper push head assembly, the overlapped part of the folded card paper abuts against the telescopic plate of the card paper push head assembly, the side surface of the card paper abuts against the limiting adjusting assembly, the card paper is pushed in the compression direction of the compression spring on the guide shaft, the labels adhering to the telescopic plate and not yet separated from the label tape are embedded between the lower pressing wheel of the label pressing wheel assembly and the card paper pressing frame together, and the labeling is completed under the extrusion force.

[0023] The label tape pulling assembly is composed of a compression wheel mounting frame, a driving compression wheel, a driven compression wheel, a stepping motor and a label tape guide plate, the compression wheel mounting frame is fixed to the front side of the assembly mounting cover, the driving compression wheel and the driven compression wheel are arranged in the compression wheel mounting frame respectively, the front side of the assembly mounting cover is provided with a motor mounting hole, the stepping motor is arranged in the assembly mounting cover, and the output shaft of the stepping motor is connected with the driving compression wheel through the motor mounting hole; and the label tape guide plate is arranged at the bottom of the compression wheel mounting frame and below the driven compression wheel.

[0024] The label tape after being separated from the label is guided out through the label guide plate in a counterclockwise direction around the driving compression wheel and then in a clockwise direction around the driven compression wheel.

[0025] The paper label affixing machine of the utility model, through stepping motor drive driving compression wheel to the label tape is transported, when the label tape is transported to the optical fiber sensor detection position, the optical fiber sensor detects the seal label, and feedback signal is given to the stepping motor, and the stepping motor stops working, and the label tape stops conveying, and the packaging paper is placed to the operation platform manually, and the paper is pushed into the label affixing mouth, and the packaging paper label affixing can be completed; the quantitative label affixing can be realized, and the label affixing paper needing to be affixed is limited, the neatness of the paper and the label affixing size consistency are guaranteed, the label affixing mechanism has automatic rebound function and compression wheel mechanism cooperation, and the label affixing efficiency and the label affixing tightness are guaranteed. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is the front view of the paper label affixing machine of the utility model;

[0027] Figure 2 It is the perspective structural drawing of the paper label affixing machine of the utility model;

[0028] Figure 3 It is the exploded structural drawing of the paper label affixing machine of the utility model;

[0029] Figure 4 It is the working state structural schematic drawing of the label tape compression plate assembly and label separation back knife assembly;

[0030] Figure 5 It is the structural schematic drawing of the label tape compression plate assembly and positioning paper push head assembly;

[0031] Figure 6 It is the structural schematic drawing of the label tape pulling assembly. DETAILED DESCRIPTION

[0032] In order for those skilled in the art to better understand the technical scheme of the utility model, the specific implementation mode thereof will be described in detail below with reference to the drawings:

[0033] Referring to Figures 1 to 6 The best embodiment of the utility model discloses a card paper labeling machine, including component mounting cover 11 and the label tape installation disc assembly 1 of setting at its front side, label tape guide shaft one 2, label tape guide shaft two 3, label detachment back knife assembly 5, label tape pressing plate assembly 4 and label tape pulling assembly 8.

[0034] The top end of component mounting cover 11 is provided with operation platform 10, and operation platform 10 is arranged at the top end of component mounting cover 11 through horizontal support adjusting assembly 15, and the left and right sides of the bottom end of operation platform 10 are respectively provided with horizontal support adjusting block 14 and horizontal support adjusting block 13.

[0035] The rear part of operation platform 10 is provided with limiting adjusting assembly 9, and limiting adjusting assembly 9 is composed of limiting plate 91 and adjusting bolt 92 arranged on the limiting plate 91, the longitudinal long slot 93 is formed in limiting plate 91, adjusting bolt 92 is connected with operation platform 10 through longitudinal long slot 93, and the front and back positions of limiting plate 91 can be adjusted by adjusting the position of adjusting bolt 92 in longitudinal long slot 93.

[0036] The front part of operation platform 10 is provided with labeling mouth 101, one side of labeling mouth 101 is provided with positioning card paper push head assembly 6, the upper side of labeling mouth 101 is provided with card paper pressing frame 7, and card paper pressing frame 7 is located below positioning card paper push head assembly 6, and fiber optic sensor 16 is arranged on card paper pressing frame 7. Label pressing wheel assembly 12 is arranged directly below labeling mouth 101, and the extrusion labeling position is formed between card paper pressing frame 7 and label pressing wheel assembly 12. The folded card paper overlapping part is pressed against positioning card paper push head assembly 6, the side surface of card paper is pressed against limiting plate 91 of limiting adjusting assembly 9, when card paper is pushed, card paper moves with positioning card paper push head assembly, and the label not yet separated from the label tape is embedded between card paper pressing frame 7 and label pressing wheel assembly 12 with card paper, and labeling is completed under the action of extrusion force.

[0037] Specifically, card paper pressing frame 7 is a U-shaped frame, and fiber optic sensor 17 is arranged at the opening end of card paper pressing frame 7; card paper pressing frame 7 is installed at the top end of operation platform 10.

[0038] Label pressing wheel assembly 12 comprises lower pressing wheel 121 arranged in the longitudinal direction and pressing wheel mounting rod 122 arranged at the front and rear ends of lower pressing wheel; pressing wheel mounting rod 122 is connected with the bottom end of operation platform 10.

[0039] The closed end of card paper pressing frame 7 is located directly above lower pressing wheel 121 of label pressing wheel assembly 12, and the extrusion labeling position is formed between the closed end of card paper pressing frame 7 and lower pressing wheel 121 of label pressing wheel assembly 12.

[0040] The positioning card pusher assembly 6 is composed of an expansion plate 27, a guide shaft 28, a compression spring 29, a linear bearing 30 and a reverse limiting plate 31, the guide shaft 28 is sleeved on the linear bearing 30, the expansion plate 27 is arranged at one end of the guide shaft 28, the reverse limiting plate 31 is arranged at the other end of the guide shaft 28, the compression spring 29 is sleeved on the guide shaft 28 and located between the expansion plate 27 and the linear bearing 30, and the linear bearing 30 is fixed at the top end of the operation platform 10.

[0041] The overlapped part of the folded card paper abuts against the expansion plate 27 of the card pusher assembly 6, the side of the card paper abuts against the limiting plate 91 of the limiting adjusting assembly 9, the card paper is pushed in the compression direction of the compression spring 29 on the guide shaft 28, the label which is backed against the expansion plate 27 and has not been separated from the label tape is embedded between the lower pressing wheel 121 of the label pressing wheel assembly 12 and the card pressing frame 7, and the label is completed under the action of the extrusion force.

[0042] The label tape pulling assembly 8 and the label tape installation disc assembly 1 are arranged one above the other, the label separation back-knife assembly 5 and the label tape pressing plate assembly 4 are adjacently arranged below the labeling port 101, the label tape guide shaft two 3 is located below the label separation back-knife assembly 8, and the label tape guide shaft one 2 is located below the label tape guide shaft two 3.

[0043] The label tape is installed on the label tape installation disc assembly 1, one end of the label tape passes around the label tape guide shaft one 2 counterclockwise, then passes around the label tape guide shaft two 3 clockwise, the label tape extends upward and passes around the label separation back-knife assembly 5 counterclockwise, the label tape pressing plate assembly 4 presses the label tape to the label separation back-knife assembly 5, the label on the label tape is separated from the label tape upward when the label tape passes around the label separation back-knife assembly 5, the label tape after the label is separated extends to the label tape pulling assembly 8, and the label tape pulling assembly 8 guides the label tape after the label is separated out.

[0044] The label tape installation disc assembly 1 is composed of a transparent limiting disc 111, a disc rotating shaft 112, a fixed ring 113 and a rotating inner liner, the transparent limiting disc 111 is rotatably sleeved on the disc rotating shaft 112, the disc rotating shaft 112 is fixed at the front side of the assembly installation cover 11 through screws, the fixed ring 113 is arranged at the connecting position of the transparent limiting disc 111 and the disc rotating shaft 112, and the rotating inner liner is arranged on the inner side of the transparent limiting disc 111. The label tape installation disc assembly 1 is used for installing the label tape.

[0045] The label separating back-knife assembly 5 is composed of a limiting seat 17, a T-shaped support frame 18, a support rod 19, a sliding pressing plate 20 and a pressing plate fixing back plate 21. The limiting seat 17 is fixed on the front side of the assembly mounting cover 11 by screws. The T-shaped support frame 18 is arranged at the front end of the limiting seat 17. The front end of the support rod 19 is connected with the T-shaped support frame 18. The sliding pressing plate 20 is arranged on the top end of the limiting seat 17 and can move up and down through the pressing plate fixing back plate 17. The sliding pressing plate 20 is arranged obliquely. The position of the label separating label tape can be adjusted by adjusting the sliding pressing plate 20 up and down.

[0046] The label tape pressing plate assembly is composed of a polyurethane pressing plate 22, an adjusting frame 23 and a rotating shaft 24. The polyurethane pressing plate 22 is arranged on the rotating shaft 24 and is arranged obliquely. The adjusting frame 23 is arranged at the rear end of the rotating shaft 24 and is arranged on the front side of the assembly mounting cover 11. An oblique strip-shaped hole is formed in the adjusting frame 23. The adjusting frame 23 is connected with the front side of the assembly mounting cover 11 through an adjusting bolt head 32 arranged in the oblique strip-shaped hole. The top end of the polyurethane pressing plate 22 abuts against the sliding pressing plate 20. The position of the adjusting frame 23 can be adjusted by adjusting the position of the adjusting bolt head 32 in the oblique strip-shaped hole, so as to adjust the position of the polyurethane pressing plate 22 and ensure that the label tape slides along the sliding pressing plate 20.

[0047] The label tape pulling assembly 8 is composed of a pressing wheel mounting frame 33, a driving pressing wheel 25, a driven pressing wheel 26, a stepping motor 36 and a label tape guide plate 37. The pressing wheel mounting frame 22 is fixed on the front side of the assembly mounting cover 11. The driving pressing wheel 25 and the driven pressing wheel 26 are arranged in the pressing wheel mounting frame 11 respectively. The front side of the assembly mounting cover 11 is provided with a motor mounting hole 34. The stepping motor 36 is arranged in the assembly mounting cover 11 and the output shaft of the stepping motor 36 is connected with the driving pressing wheel 25 through the motor mounting hole 34. The label tape guide plate 37 is arranged at the bottom of the pressing wheel mounting frame 33 and below the driven pressing wheel 26. The label tape after separating the label is counterclockwise around the driving pressing wheel 25 and then clockwise around the driven pressing wheel 26 and is guided out through the label guide plate 28. The label tape is conveyed by the driving pressing wheel 25 driven by the stepping motor 36. When the label is conveyed to the detection position of the optical fiber sensor 16, the optical fiber sensor 16 detects the sealing label and feeds back a signal to the stepping motor 36. The stepping motor 36 stops working and the label tape stops conveying. The packaging paper is manually placed on the operation platform for labeling work.

[0048] The label sticker machine of the utility model, when working, installs the label tape to the label tape installation disc assembly 1, the label tape counterclockwise passes through the label tape guide shaft one 2 and clockwise passes through the label tape guide shaft two 3, the label tape extends upwards and counterclockwise passes through the label separating back knife assembly 5, the label tape pressing plate assembly 4 is pressed to the label tape on the label separating back knife assembly 5, the polyurethane pressing plate 22 on the label tape pressing plate assembly 4 can guarantee the label tape along the sliding pressing plate 20 sliding by adjusting the inclined strip hole of adjusting frame 23 and the rotation shaft 24 adjustment pressing position, the label on the label tape will gradually separate from the label tape upwards when passing through the label separating back knife assembly 5, the optical fiber sensor 16 will detect the label in the process of separating upwards, the label upwards stop position is decided by the delay after the optical fiber sensor 16 senses the label, the longer the delay is, the longer the length of the label is, a part of the label back surface separated from the label tape is pasted on the telescopic plate 27 on the positioning paper push head assembly 6, the sliding pressing plate 20 on the label separating back knife assembly 5 can be adjusted up and down to adjust the position of the label separating from the label tape, the label tape after separating the label extends to the label tape pulling assembly 8; the label tape after separating the label counterclockwise passes through the driving pressure wheel 25 and clockwise passes through the driven pressure wheel 26 and guides the label tape after separating the label out through the label guide plate 28.

[0049] In the running process, the label tape is conveyed by the driving pressure wheel 25 driven by the stepping motor 36, when the label tape is conveyed to the detection position of the optical fiber sensor 16, the optical fiber sensor 16 detects the sealing label and feeds back the signal to the stepping motor 36, the stepping motor 36 stops working, the label tape stops conveying, the packaging paper is placed on the operation platform by hand, the overlapping part of the folded paper is pressed against the telescopic plate 27 on the positioning paper push head assembly 6 by hand, the side of the paper is pressed against the limiting plate 91 of the limiting adjusting assembly 9 to guarantee the neatness of the folded paper, the paper is pushed in the compression direction of the compression spring 29 on the guide shaft 28, the label, which is not separated from the label tape and backs against the telescopic plate 27, is embedded between the lower pressure wheel 121 and the paper pressing frame 7 along with the paper, and the label sticker is completed under the extrusion force, the paper after sticker is retreated, the telescopic plate 27 also retreats under the action of the compression spring 29, the reverse limiting plate 31 can be equipped with a limiting screw to limit the retreat position of the telescopic plate 27, when the optical fiber sensor 16 on the paper pressing frame 7 detects that there is no label, the label tape will continue to work and enter the next label waiting position.

[0050] In conclusion, the label sticker machine can complete the sealing and labeling of the packaging paper of single-bottle small-capacity products, the production efficiency can be 4-5 times of manual production, the labeling quality can be greatly improved, and the uniformity and overall appearance quality of the packaging paper label can be greatly improved.

[0051] Those skilled in the art of the present technology should realize that the above embodiments are only used to illustrate the present application, and are not used as a limitation of the present application, as long as the changes and modifications of the above described embodiments are within the scope of the present application.

Claims

1. A paperboard labelling machine characterised in that, The assembly mounting cover is provided with a label tape mounting disc assembly, a label tape guide shaft one, a label tape guide shaft two, a label separating back-knife assembly, a label tape pressing plate assembly and a label tape pulling assembly arranged on the front side thereof, wherein: A top end of the assembly mounting cover is provided with an operation platform; A rear part of the operation platform is provided with a limiting adjustment assembly; A front part of the operation platform is provided with a labeling opening, one side of the labeling opening is provided with a positioning paper push head assembly, an upper part of the labeling opening is provided with a paper pressing frame, the paper pressing frame is located below the positioning paper push head assembly, and an optical fiber sensor is arranged on the paper pressing frame; A label pressing wheel assembly is arranged directly below the labeling opening, and an extrusion labeling position is formed between the paper pressing frame and the label pressing wheel assembly; The label tape pulling assembly and the label tape mounting disc assembly are arranged one above the other; The label separating back-knife assembly and the label tape pressing plate assembly are arranged adjacent to each other below the labeling opening; The label tape guide shaft two is located below the label separating back-knife assembly, and the label tape guide shaft one is located below the label tape guide shaft two.

2. A labeler according to claim 1 wherein, The label tape is mounted on the label tape mounting disc assembly, one end of the label tape passes around the label tape guide shaft one counterclockwise, then passes around the label tape guide shaft two clockwise, the label tape extends upwards and passes around the label separating back-knife assembly counterclockwise, the label tape is pressed tightly to the label separating back-knife assembly by the label tape pressing plate assembly, when the label tape passes around the label separating back-knife assembly, the labels on the label tape gradually separate upwards from the label tape, a part of the label back surface separated from the label tape is first attached to the positioning paper push head assembly, the overlapped part of the folded paper abuts against the positioning paper push head assembly, the side surface of the paper abuts against the limiting adjustment assembly, with the movement of the positioning paper push head assembly, the labels not separated from the label tape are embedded between the paper pressing frame and the label pressing wheel assembly together with the paper, the labeling is completed under the extrusion force, and the label tape after the labels are separated extends to the label tape pulling assembly, and the label tape pulling assembly guides the label tape after the labels are separated out.

3. A labeler as in claim 1 wherein, The operation platform is arranged at the top end of the assembly mounting cover through a horizontal support adjustment assembly, and left and right sides of a bottom end of the operation platform are respectively provided with horizontal support adjustment blocks.

4. A labeler as in claim 1 wherein, The label tape mounting disc assembly is composed of a transparent limiting disc, a disc rotating shaft, a fixing ring and a rotating inner liner, the transparent limiting disc is rotatably sleeved on the disc rotating shaft, the disc rotating shaft is fixed on the front side of the assembly mounting cover through screws, the fixing ring is arranged at a connecting position of the transparent limiting disc and the disc rotating shaft, and the rotating inner liner is arranged on the inner side of the transparent limiting disc.

5. A labeler as recited in claim 1 wherein, The limiting adjustment assembly is composed of a limiting plate and an adjusting bolt arranged thereon, a longitudinal long slot is formed in the limiting plate, and the adjusting bolt is connected with the operation platform through the longitudinal long slot.

6. A labeler as recited in claim 1 wherein, The label separating back-knife assembly is composed of a limiting seat, a T-shaped support frame, a support rod, a sliding pressing plate and a pressing plate fixed back plate. The limiting seat is fixed on the front side of the assembly mounting cover by screws. The T-shaped support frame is arranged at the front end of the limiting seat. The front end of the support rod is connected with the T-shaped support frame. The sliding pressing plate is movably arranged on the top end of the limiting seat by the pressing plate fixed back plate, and the sliding pressing plate is arranged in an inclined manner.

7. A labeler according to claim 6 wherein, The label tape pressing plate assembly comprises a polyurethane pressing plate, an adjusting frame and a rotating shaft. The polyurethane pressing plate is arranged on the rotating shaft. The adjusting frame is arranged at the rear end of the rotating shaft. The adjusting frame is arranged on the front side of the assembly mounting cover. An inclined strip-shaped hole is formed in the adjusting frame. The adjusting frame is connected with the front side of the assembly mounting cover through the adjusting bolt head arranged in the inclined strip-shaped hole. The top end of the polyurethane pressing plate abuts against the sliding pressing plate.

8. A labeler according to claim 1 wherein, The card paper pressing frame is a U-shaped frame. The optical fiber sensor is arranged at the open end of the card paper pressing frame. The card paper pressing frame is arranged at the top end of the operation platform. The label pressing wheel assembly comprises a longitudinally arranged lower pressing wheel and pressing wheel mounting rods arranged at the front and rear ends of the lower pressing wheel. The pressing wheel mounting rods are connected with the bottom end of the operation platform. The closed end of the card paper pressing frame is located directly above the lower pressing wheel of the label pressing wheel assembly, and an extrusion labeling position is formed between the closed end of the card paper pressing frame and the lower pressing wheel of the label pressing wheel assembly.

9. A labeler according to claim 8 wherein, The positioning card paper push head assembly is composed of an extension plate, a guide shaft, a compression spring, a linear bearing and a reverse limiting plate. The guide shaft is sleeved on the linear bearing. The extension plate is arranged at one end of the guide shaft. The reverse limiting plate is arranged at the other end of the guide shaft. The compression spring is sleeved on the guide shaft and located between the extension plate and the linear bearing. The linear bearing is fixed on the top end of the operation platform.

10. A labeler according to claim 9 wherein, When the labels on the label tape gradually separate from the label tape upwards, a part of the labels separated from the label tape is first attached to the extension plate of the positioning card paper push head assembly. The overlapped part of the folded card paper abuts against the extension plate of the card paper push head assembly. The side surface of the card paper abuts against the limiting adjusting assembly. The card paper is pushed in the compression direction of the compression spring on the guide shaft. The labels attached to the extension plate and not yet separated from the label tape are embedded between the lower pressing wheel of the label pressing wheel assembly and the card paper pressing frame. Labeling is completed under the extrusion force.

11. A labeler according to claim 1 wherein, The label tape pulling assembly is composed of a pressing wheel mounting frame, a driving pressing wheel, a driven pressing wheel, a stepping motor and a label tape guide plate. The pressing wheel mounting frame is fixed on the front side of the assembly mounting cover. The driving pressing wheel and the driven pressing wheel are arranged in the pressing wheel mounting frame respectively. The front side of the assembly mounting cover is provided with a motor mounting hole. The stepping motor is arranged in the assembly mounting cover. The output shaft of the stepping motor penetrates through the motor mounting hole and is connected with the driving pressing wheel. The label tape guide plate is arranged at the bottom of the pressing wheel mounting frame and located below the driven pressing wheel.

12. A labeler according to claim 11 wherein, The label strip after the label is separated is counterclockwise around the driving pressure wheel, and then clockwise around the driven pressure wheel to guide the label strip out through the label guide plate.