Label paper supply mechanism

Abstract

The utility model relates to a label paper supply mechanism. The label paper supply mechanism comprises a base, a paper taking mechanism, a coding mechanism, a label paper pushing mechanism and a conveying mechanism; the paper taking mechanism, the coding mechanism, the label paper pushing mechanism and the conveying mechanism are respectively arranged on the base, the paper taking mechanism is arranged at the front end of the conveying mechanism, the coding mechanism is arranged right above the conveying mechanism, and the label paper pushing mechanism and the conveying mechanism are arranged in parallel. The label paper is taken through the paper taking mechanism, code printing of the label paper is completed through the code printing mechanism, conveying of the label paper is completed through the conveying mechanism, transition of the label paper from paper taking to conveying is completed through the label paper pushing mechanism, and the label paper is pushed to the next processing procedure. And meanwhile, paper taking, conveying and code printing of the label paper are met, supply and conveying of the label paper of different specifications can be met, and the supply and conveying efficiency of the label paper is improved.

Description

Technical Field

[0001] The present application relates to the technical field of tobacco packaging equipment, and in particular to a trademark paper supply mechanism. Background Art

[0002] With the rapid development of the market for special-shaped cigarettes, the number of specifications has increased rapidly, and the sizes of trademark papers of various specifications will change. At present, the main production equipment of cigarette factories all adopts large-scale production of a single specification, which is difficult to meet the supply and transportation of trademark papers for products of various specifications. In addition, the paper picking, transportation and coding processes of trademark papers are not continuous, which seriously affects the efficiency of supply and transportation of trademark papers. Utility Model Content

[0003] In order to solve or partially solve the problems existing in the related art, the present application provides a trademark paper supply mechanism, which can simultaneously meet the paper picking, transportation and coding of trademark paper, and can meet the supply and transportation of trademark paper of different specifications, thereby improving the efficiency of supply and transportation of trademark paper.

[0004] The present application provides a trademark paper supply mechanism, comprising a base 1, a paper picking mechanism 2, a coding mechanism 3, a trademark paper pushing mechanism 4 and a conveying mechanism 5; the paper picking mechanism 2, the coding mechanism 3, the trademark paper pushing mechanism 4 and the conveying mechanism 5 are respectively installed on the base 1, the paper picking mechanism 2 is installed at the front end of the conveying mechanism 5, the coding mechanism 3 is arranged directly above the conveying mechanism 5, and the trademark paper pushing mechanism 4 is arranged in parallel with the conveying mechanism 5.

[0005] The coding mechanism 3 includes a pressing cylinder 31, a coding connecting plate 32, a coding terminal guide mechanism 33, a coding support 34, a coding support plate 35, a coding terminal 36, a character code structure 37, and a trademark paper feeding channel pressboard 38. The coding support plate 35 is installed on the base 1 through the coding support 34 and is directly above the conveying mechanism 5. The pressing cylinder 31 and the guide mechanism 33 are installed on the coding support plate 35, and the lower ends of the pressing cylinder 31 and the coding terminal guide mechanism 33 both penetrate the coding support plate 35. The coding terminal 36 is installed at the bottom of the coding terminal guide mechanism 33 and is connected to the lower end of the pressing cylinder 31 through the coding connecting plate 32. The character code structure 37 is installed on the conveying mechanism 5 and is matched with the coding terminal 36. The trademark paper feeding channel pressboard 38 is at the bottom of the coding support plate 35 and is connected to the coding connecting plate 32, and its lower end surface is flush with the lower end surface of the coding terminal 36.

[0006] Optionally, in some embodiments, the coding terminal guide mechanism 33 includes a linear bearing 331, a linear bearing seat 332, and a guide rod 333. The linear bearing 331 is installed on the coding support plate 35 through the linear bearing seat 332. The guide rod 333 passes through the linear bearing 331 and penetrates the coding support plate 35, and a coding terminal 36 is installed at its bottom end.

[0007] Optionally, in some embodiments, the paper picking mechanism 2 includes a paper picking motor 21, a crank-connecting rod mechanism 22, a trademark paper storage basket 23, a front trademark frame 24, a rear trademark frame 25, and a crank-connecting rod guide mechanism 26. The output end of the paper picking motor 21 is connected to the crank-connecting rod mechanism 22, and the crank-connecting rod mechanism 22 is vertically slidably installed on the equipment frame through the crank-connecting rod guide mechanism 26. A negative pressure suction cup 27 is provided at the upper end of the crank-connecting rod mechanism 22. The trademark paper storage basket 23 is installed on the base 1 and is directly above the negative pressure suction cup 27. The ends of the front trademark frame 24 and the rear trademark frame 25 are connected and installed on the base 1. The front trademark frame 24 is at the lower side of the trademark paper storage basket 23, and a gap is provided in the middle for the negative pressure suction cup 27 to pass through. The rear trademark frame 25 is between the coding mechanism 3 and the conveying mechanism 5, and a lower paper opening is opened in the middle for the trademark 6 paper to pass through.

[0008] Optionally, in some embodiments, the trademark paper pushing mechanism 4 includes a pushing electric cylinder 41, a pushing slider 42, a pushing connecting rod 43, a front push block 44, and a rear push block 45. The pushing electric cylinder 41 is installed on the base 1, the pushing slider 42 is slidably installed on the moving end of the pushing electric cylinder 41, the pushing connecting rod 43 is installed on the pushing slider 42, and the front and rear ends of the pushing connecting rod 43 are respectively installed with a front push block 44 and a rear push block 45. A front push groove is opened at the front and rear ends of the front trademark frame 24, and the front push block 44 corresponds to the push groove, and a rear push groove is opened at the front and rear ends of the conveying mechanism 5, and the rear push block 45 corresponds to the rear push groove.

[0009] Optionally, in some embodiments, the conveying mechanism 5 includes a conveying electric cylinder 51, a transverse pushing bracket 52, a conveying slider 57 and a conveying channel, the conveying channel includes a conveying guide rail 53, a conveying guide slider 54, a guide rail slider seat 55, and a negative pressure plate 56, the conveying electric cylinder 51 is installed on the base 1, the conveying electric cylinder 51 is slidably mounted with a conveying slider 57, the transverse pushing bracket 52 is installed on the conveying slider 57, the conveying guide rail 53 is installed on the base 1, and is arranged parallel to the conveying electric cylinder 51, the conveying guide slider 54 is slidably mounted on the conveying guide rail 53, the conveying guide slider 54 is connected to the transverse pushing bracket 52 through the guide rail slider seat 55, the negative pressure plate 56 is installed on the guide rail slider seat 55, the code structure 37 is installed on the negative pressure plate 56, and its upper surface is flush with the upper surface of the negative pressure plate 56, and the negative pressure plate 56 is provided with a rear end push groove matching the rear end push block 45.

[0010] Optionally, in some embodiments, the conveying mechanism 5 is provided with two groups of conveying channels, the middle part of the horizontal pushing bracket 52 is installed on the conveying slider 57, and the conveying channels are symmetrically installed on both sides thereof, and the two groups of conveying channels are symmetrically arranged on both sides of the trademark paper pushing mechanism 4, and the paper picking mechanism 2 and the coding mechanism 3 are respectively provided with two groups, which are symmetrically installed on the two groups of conveying channels, the two sides of the pushing connecting rod 43 are symmetrical, the front end pushing block 44 is symmetrically installed on both sides of the front end of the pushing connecting rod 43, and the rear end pushing block 45 is symmetrically installed on both sides of the rear end of the pushing connecting rod 43, and a pushing guide device is provided on the base 1 on both sides of the pushing electric cylinder 41, and the pushing connecting rod 43 is slidably connected to the base 1 through the pushing guide device.

[0011] The technical solution provided by this application may have the following beneficial effects:

[0012] The present application completes the paper picking up of trademark paper through a paper picking mechanism, completes the coding of trademark paper through a coding mechanism, completes the conveying of trademark paper through a conveying mechanism, completes the transition of trademark paper from paper picking up to conveying through a trademark paper pushing mechanism, and pushes the trademark paper to the next processing step, while satisfying the paper picking up, conveying, and coding of trademark paper, and can meet the supply and conveyance of trademark paper of different specifications, thereby improving the efficiency of supply and conveyance of trademark paper.

[0013] It should be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The above and other objects, features and advantages of the present application will become more apparent through a more detailed description of exemplary embodiments of the present application in conjunction with the accompanying drawings, wherein the same reference numerals generally represent the same components in the exemplary embodiments of the present application.

[0015] Figure 1 It is a schematic diagram of a three-dimensional structure shown in an embodiment of the present application;

[0016] Figure 2 is a structural schematic diagram of a paper picking mechanism shown in an embodiment of the present application;

[0017] Figure 3 It is a structural schematic diagram of a coding mechanism shown in an embodiment of the present application;

[0018] Figure 4 It is a partial structural schematic diagram of the coding mechanism shown in the embodiment of the present application;

[0019] Figure 5 It is a structural schematic diagram of a trademark paper pushing mechanism shown in an embodiment of the present application;

[0020] Figure 6It is a schematic diagram of the structure of the conveying mechanism shown in the embodiment of the present application.

[0021] Reference numerals:

[0022] 1- base, 2- paper picking mechanism, 3- coding mechanism, 4- trademark paper pushing mechanism, 5- conveying mechanism, 6- trademark paper;

[0023] 21-paper taking motor, 22-crank connecting rod mechanism, 23-trademark paper storage basket, 24-front trademark frame, 25-rear trademark frame, 26-crank connecting rod guide mechanism, 27-negative pressure suction cup;

[0024] 31-pressing cylinder, 32-coding connecting plate, 33-coding terminal guide mechanism, 34-coding support, 35-coding support plate, 36-coding terminal, 37-code structure, 38-trademark paper feeding channel press paper board;

[0025] 331-linear bearing, 332-linear bearing seat, 333-guide rod;

[0026] 41-push electric cylinder, 42-push slider, 43-push connecting rod, 44-front push block, 45-rear push block;

[0027] 51-conveying electric cylinder, 52-transverse push bracket, 53-conveying guide rail, 54-conveying guide slide block, 55-guide rail slide block seat, 56-negative pressure plate, 57-conveying slide block. DETAILED DESCRIPTION

[0028] The embodiments of the present application will be described in more detail below with reference to the accompanying drawings. Although the embodiments of the present application are shown in the accompanying drawings, it should be understood that the present application can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided to make the present application more thorough and complete, and to fully convey the scope of the present application to those skilled in the art.

[0029] It should be understood that although the terms "first", "second", "third", etc. may be used in this application to describe various information, this information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other. For example, without departing from the scope of this application, the first information may also be referred to as the second information, and similarly, the second information may also be referred to as the first information. Thus, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0030] In the description of the present application, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0031] Unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0032] In view of the above problems, an embodiment of the present application provides a trademark paper supply mechanism, which can simultaneously meet the paper picking, transportation, and coding of trademark paper, and can meet the supply and transportation of trademark paper of different specifications, thereby improving the efficiency of supply and transportation of trademark paper.

[0033] The technical solution of the embodiments of the present application is described in detail below with reference to the accompanying drawings.

[0034] See also Figure 1 The trademark paper supply mechanism includes a base 1, a paper picking mechanism 2, a coding mechanism 3, a trademark paper pushing mechanism 4 and a conveying mechanism 5; the paper picking mechanism 2, the coding mechanism 3, the trademark paper pushing mechanism 4 and the conveying mechanism 5 are respectively installed on the base 1, the paper picking mechanism 2 is installed at the front end of the conveying mechanism 5, the coding mechanism 3 is arranged directly above the conveying mechanism 5, and the trademark paper pushing mechanism 4 is arranged in parallel with the conveying mechanism 5. After the paper picking mechanism 2 picks up the paper, the trademark paper 6 is pushed to the bottom of the coding mechanism 3 by the trademark paper pushing mechanism 4, the coding mechanism 3 presses the trademark paper 6 down to the conveying mechanism 5 and codes the trademark paper 6, the trademark paper 6 is transported by the conveying mechanism 5 after coding, and the trademark paper pushing mechanism 4 pushes the trademark paper 6 to the next processing step for processing.

[0035] See also Figure 3-4The coding mechanism 3 includes a pressing cylinder 31, a coding connecting plate 32, a coding terminal guide mechanism 33, a coding support 34, a coding support plate 35, a coding terminal 36, a character code structure 37, and a trademark paper feeding channel pressing paper board 38. The coding support plate 35 is installed on the base 1 through the coding support 34 and is directly above the conveying mechanism 5. The pressing cylinder 31 and the guide mechanism 33 are installed on the coding support plate 35, and the lower ends of the pressing cylinder 31 and the coding terminal guide mechanism 33 both penetrate the coding support plate 35. The coding terminal 36 is installed at the bottom of the coding terminal guide mechanism 33 and is connected to the lower end of the pressing cylinder 31 through the coding connecting plate 32. The character code structure 37 is installed on the conveying mechanism 5 and is matched with the coding terminal 36. The trademark paper feeding channel pressing paper board 38 is at the bottom of the coding support plate 35 and is connected to the coding connecting plate 32, and its lower end surface is flush with the lower end surface of the coding terminal 36. The pressing cylinder 31 drives the stamping terminal 36 to move up and down through the coding connecting plate 32. The stamping terminal 36 controls the stability of its up and down movement through the stamping terminal guide mechanism 33. During the downward pressing process of the stamping terminal 36, the trademark paper feeding channel pressing paper 38 is driven to press down, and the trademark paper 6 is pressed down onto the conveying mechanism 5. At the same time, the stamping terminal 36 and the code structure 37 cooperate to code the trademark paper 6.

[0036] The coding terminal guide mechanism 33 includes a linear bearing 331, a linear bearing seat 332, and a guide rod 333. The linear bearing 331 is installed on the coding support plate 35 through the linear bearing seat 332. The guide rod 333 passes through the linear bearing 331 and the coding support plate 35, and a coding terminal 36 is installed at its bottom. During the up and down movement of the coding terminal 36, the guide rod 333 moves up and down through the linear bearing 331, reducing the friction of the guide rod 333.

[0037] See also Figure 2 The paper picking mechanism 2 includes a paper picking motor 21, a crank connecting rod mechanism 22, a trademark paper storage basket 23, a front trademark frame 24, a rear trademark frame 25, and a crank connecting rod guide mechanism 26. The output end of the paper picking motor 21 is connected to the crank connecting rod mechanism 22, and the crank connecting rod mechanism 22 is vertically slidably installed on the equipment frame through the crank connecting rod guide mechanism 26. A negative pressure suction cup 27 is provided at the upper end of the crank connecting rod mechanism 22. The trademark paper storage basket 23 is installed on the base 1 and is directly above the negative pressure suction cup 27. The ends of the front trademark frame 24 and the rear trademark frame 25 are connected and installed on the base 1. The front trademark frame 24 is at the lower side of the trademark paper storage basket 23, and a gap is provided in the middle for the negative pressure suction cup 27 to pass through. The rear trademark frame 25 is between the coding mechanism 3 and the conveying mechanism 5, and a lower paper opening is opened in the middle for the trademark 6 paper to pass through.

[0038] The paper picking motor 21 drives the crank connecting rod mechanism 22 to move up and down along the crank connecting rod guide mechanism 26, and sucks the trademark paper 6 in the trademark paper storage basket 23 through the negative pressure suction cup 27 arranged at the upper end thereof. The negative pressure suction cup 27 sucks the trademark paper 6 and places it on the front trademark frame 24. The trademark paper pushing mechanism 4 pushes the trademark paper 6 on the front trademark frame 24 to the rear trademark frame 25, and then presses the trademark paper 6 down to the conveying mechanism 5 through the trademark paper feeding channel paper pressing plate 38.

[0039] See also Figure 5 The trademark paper pushing mechanism 4 includes a pushing electric cylinder 41, a pushing slider 42, a pushing connecting rod 43, a front push block 44, and a rear push block 45. The pushing electric cylinder 41 is installed on the base 1, the pushing slider 42 is slidably installed on the moving end of the pushing electric cylinder 41, the pushing connecting rod 43 is installed on the pushing slider 42, and the front and rear ends of the pushing connecting rod 43 are respectively installed with a front push block 44 and a rear push block 45. The front and rear ends of the front trademark frame 24 are provided with a front push groove, and the front push block 44 corresponds to the push groove. The front and rear ends of the conveying mechanism 5 are provided with a rear push groove, and the rear push block 45 corresponds to the rear push groove. The pushing electric cylinder 41 drives the pushing connecting rod 43 to move forward and backward along the device through the pushing slider 42, and the front push block 44 pushes the trademark paper 6 on the front trademark frame 24 to the rear trademark frame 25, and the rear push block 45 pushes the trademark paper 6 on the conveying mechanism 5 to the next processing step for processing.

[0040] See also Figure 6 The conveying mechanism 5 includes a conveying electric cylinder 51, a horizontal pushing bracket 52, a conveying slider 57 and a conveying channel. The conveying channel includes a conveying guide rail 53, a conveying guide slider 54, a guide slider seat 55, and a negative pressure plate 56. The conveying electric cylinder 51 is installed on the base 1. The conveying slider 57 is slidably installed on the conveying electric cylinder 51. The horizontal pushing bracket 52 is installed on the conveying slider 57. The conveying guide rail 53 is installed on the base 1 and arranged parallel to the conveying electric cylinder 51. The conveying guide slider 54 is slidably installed on the conveying guide rail 53. The conveying guide slider 54 is connected to the horizontal pushing bracket 52 through the guide slider seat 55. The negative pressure plate 56 is installed on the guide slider seat 55. The code structure 37 is installed on the negative pressure plate 56, and its upper surface is flush with the upper surface of the negative pressure plate 56. The negative pressure plate 56 is provided with a rear end push groove matching the rear end push block 45.

[0041] The conveying electric cylinder 51 drives the horizontal push bracket 52 to move forward and backward along the device through the conveying slider 57, and the horizontal push bracket 52 drives the guide rail slider seat 55 to move. The guide rail slider seat 55 moves along the conveying guide rail 53 through the conveying guide slider 54. The trademark paper feeding channel paperboard 38 presses down the trademark paper 6, and the negative pressure plate 56 adsorbs the trademark paper 6 to prevent the trademark paper 6 from deflecting, thereby ensuring the accuracy of the coding process.

[0042] The conveying mechanism 5 is provided with two groups of conveying channels. The middle part of the horizontal push bracket 52 is installed on the conveying slide block 57, and the conveying channels are symmetrically installed on both sides thereof. The two groups of conveying channels are symmetrically arranged on both sides of the trademark paper pushing mechanism 4. The paper picking mechanism 2 and the coding mechanism 3 are respectively provided with two groups, which are symmetrically installed on the two groups of conveying channels. The two sides of the pushing connecting rod 43 are symmetrical. The front push block 44 is symmetrically installed on both sides of the front end of the pushing connecting rod 43, and the rear push block 45 is symmetrically installed on both sides of the rear end of the pushing connecting rod 43. The base 1 on both sides of the pushing electric cylinder 41 is provided with a pushing guide device, and the pushing connecting rod 43 is slidably connected with the base 1 through the pushing guide device. The two groups of trademark paper are synchronously driven for conveying and coding by a group of pushing electric cylinders 41 and the conveying electric cylinders 51, which improves the efficiency of conveying and coding of trademark paper. Moreover, the paper picking mechanism 2 and the conveying mechanism 5 can accommodate the taking and conveying of trademark paper of different specifications, and the position of the coding mechanism 3 only needs to correspond to the position of the trademark paper to be coded.

[0043] Finally, it should be noted that, in this article, relationships such as first and second, etc. are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms include, include or any other variations are intended to cover non-exclusive inclusion, so that a process, method, article or device that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0044] The embodiments of the present application have been described above, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The selection of terms used herein is intended to best explain the principles of the embodiments, practical applications, or improvements to the technology in the market, or to enable other persons of ordinary skill in the art to understand the embodiments disclosed herein.

Claims

1. A label paper supply mechanism, characterized in that: The trademark paper supply mechanism comprises a base (1), a paper picking mechanism (2), a coding mechanism (3), a trademark paper pushing mechanism (4) and a conveying mechanism (5); the paper picking mechanism (2), the coding mechanism (3), the trademark paper pushing mechanism (4) and the conveying mechanism (5) are respectively mounted on the base (1), the paper picking mechanism (2) is mounted at the front end of the conveying mechanism (5), the coding mechanism (3) is arranged directly above the conveying mechanism (5), and the trademark paper pushing mechanism (4) and the conveying mechanism (5) are arranged in parallel; The coding mechanism (3) comprises a pressing cylinder (31), a coding connection plate (32), a coding terminal guide mechanism (33), a coding support (34), a coding support plate (35), a coding terminal (36), a character code structure (37), and a trademark paper feeding channel press plate (38). The coding support plate (35) is mounted on the base (1) through the coding support (34) and is located directly above the conveying mechanism (5). The pressing cylinder (31) and the guide mechanism (33) are mounted on the coding support plate (35), and the pressing cylinder (31) The lower ends of the coding terminal guide mechanism (33) and the coding terminal guide mechanism (33) all penetrate the coding support plate (35). The coding terminal (36) is installed at the bottom of the coding terminal guide mechanism (33) and is connected to the lower end of the pressing cylinder (31) through the coding connection plate (32). The character code structure (37) is installed on the conveying mechanism (5) and is matched with the coding terminal (36). The trademark paper feeding channel pressing paper (38) is located at the bottom of the coding support plate (35) and is connected to the coding connection plate (32), and its lower end surface is flush with the lower end surface of the coding terminal (36).

2. The label paper supply mechanism according to claim 1, characterized in that: The coding terminal guide mechanism (33) comprises a linear bearing (331), a linear bearing seat (332), and a guide rod (333). The linear bearing (331) is mounted on the coding support plate (35) via the linear bearing seat (332). The guide rod (333) passes through the linear bearing (331) and penetrates the coding support plate (35). The bottom end of the guide rod (333) is mounted with a coding terminal (36).

3. The label paper supply mechanism according to claim 1 or 2, characterized in that: The paper picking mechanism (2) comprises a paper picking motor (21), a crank connecting rod mechanism (22), a trademark paper storage basket (23), a front trademark frame (24), a rear trademark frame (25), and a crank connecting rod guide mechanism (26). The output end of the paper picking motor (21) is connected to the crank connecting rod mechanism (22). The crank connecting rod mechanism (22) is vertically slidably mounted on the equipment frame through the crank connecting rod guide mechanism (26). The upper end of the crank connecting rod mechanism (22) is provided with a negative pressure suction cup (27). The label paper storage basket (23) is mounted on the base (1) and is located directly above the negative pressure suction cup (27). The ends of the front trademark frame (24) and the rear trademark frame (25) are connected and mounted on the base (1). The front trademark frame (24) is located at the lower side of the label paper storage basket (23) and is provided with a notch in the middle for the negative pressure suction cup (27) to pass through. The rear trademark frame (25) is located between the coding mechanism (3) and the conveying mechanism (5) and is provided with a lower paper opening in the middle for the label paper (6) to pass through.

4. The label paper supply mechanism according to claim 3, characterized in that: The trademark paper pushing mechanism (4) comprises a pushing electric cylinder (41), a pushing slider (42), a pushing connecting rod (43), a front push block (44), and a rear push block (45). The pushing electric cylinder (41) is mounted on the base (1), the pushing slider (42) is slidably mounted on the moving end of the pushing electric cylinder (41), the pushing connecting rod (43) is mounted on the pushing slider (42), the front end and the rear end of the pushing connecting rod (43) are respectively mounted with a front push block (44) and a rear push block (45), the front trademark frame (24) is provided with a front push groove at the front and rear ends, the front push block (44) corresponds to the push groove, the conveying mechanism (5) is provided with a rear push groove at the front and rear ends, and the rear push block (45) corresponds to the rear push groove.

5. The label paper supply mechanism according to claim 4, characterized in that: The conveying mechanism (5) comprises a conveying electric cylinder (51), a horizontal push bracket (52), a conveying slide block (57) and a conveying channel, wherein the conveying channel comprises a conveying guide rail (53), a conveying guide slide block (54), a guide rail slide block seat (55) and a negative pressure plate (56), the conveying electric cylinder (51) is mounted on a base (1), a conveying slide block (57) is slidably mounted on the conveying electric cylinder (51), the horizontal push bracket (52) is mounted on the conveying slide block (57), and the conveying guide rail (53) is mounted on the base ( 1), arranged in parallel with the conveying electric cylinder (51), a conveying guide slider (54) is slidably mounted on the conveying guide rail (53), the conveying guide slider (54) is connected to the horizontal push bracket (52) through a guide slider seat (55), a negative pressure plate (56) is mounted on the guide slider seat (55), a code structure (37) is mounted on the negative pressure plate (56), and its upper surface is flush with the upper surface of the negative pressure plate (56), and a rear end push groove matching the rear end push block (45) is opened on the negative pressure plate (56).

6. The label paper supply mechanism according to claim 5, characterized in that: The conveying mechanism (5) is provided with two groups of conveying channels. The middle part of the horizontal push bracket (52) is mounted on the conveying slide block (57), and the conveying channels are symmetrically mounted on both sides thereof. The two groups of conveying channels are symmetrically arranged on both sides of the trademark paper pushing mechanism (4). The paper picking mechanism (2) and the coding mechanism (3) are respectively provided with two groups, which are symmetrically mounted on the two groups of conveying channels. The two sides of the pushing connecting rod (43) are symmetrical. The front push blocks (44) are symmetrically mounted on both sides of the front end of the pushing connecting rod (43), and the rear push blocks (45) are symmetrically mounted on both sides of the rear end of the pushing connecting rod (43). The base (1) on both sides of the pushing electric cylinder (41) is provided with a pushing guide device, and the pushing connecting rod (43) is slidably connected to the base (1) through the pushing guide device.

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