Label printing machine capable of switching printing models

Abstract

The utility model relates to the technical field of label printing machines, in particular to a label printing machine capable of switching printing models, which comprises a casing, a driving roller, a fixed plate, a movable frame and a vertical plate A. The machine shell is rotationally connected with the machine cover. The driving roller is arranged in the machine shell, a driving assembly for driving the driving roller to rotate is arranged in the machine shell, and a guide roller A and an ink-jet printing mechanism are arranged in the machine shell. The fixing plate is arranged in the machine shell and elastically connected with the mounting frame in a sliding mode, the mounting frame is rotationally connected with the pressing rollers, and when the machine cover is in a closed state, the two pressing rollers are matched with the driving roller and the guide roller A to clamp label paper. The movable frame is arranged in the machine shell and rotationally connected with the mounting shaft. The two vertical plates A are both arranged in the machine shell in a sliding mode, the vertical plates A are rotationally connected with a rotating disc with a clamping groove B, and a bidirectional module driving the vertical plates A on the two sides to slide is arranged in the machine shell. According to the utility model, a larger space for replacing the label paper is obtained after the cover is opened, and the label paper roll is simple and convenient to disassemble, assemble, fix and pull.

Description

TECHNICAL FIELD

[0001] The utility model relates to label printer technical field, especially a label printing machine of switchable printing model. BACKGROUND

[0002] Label printer or intelligent label printer refers to the printer that does not need to be connected with the computer, carries the input keyboard or intelligent touch screen operation, embeds certain font, font library and quite a number of label template formats, can directly input, edit, layout label content according to own needs through the body liquid crystal screen, and then directly prints and outputs.

[0003] The technical scheme disclosed by Chinese patent with authorization announcement No. CN220390752U drives the bidirectional screw rod to rotate through the second servo motor, drives the limiting block to move through the rotation of the bidirectional screw rod, clamps and positions the label material roll through the limiting block, can adapt to label material rolls of different sizes and models, avoids the label material roll from sliding during printing, and affects the printing quality.

[0004] However, the device still has the following problems: when clamping and positioning the label paper roll, the label paper roll is prone to jamming, and the device has a small space when actually pulling the label paper, which is inconvenient to operate. UTILITY MODEL CONTENT

[0005] The utility model aims at the problems in the background art and provides a label printing machine capable of switching printing models.

[0006] The technical scheme of the utility model: a label printing machine capable of switching printing models, comprising a machine shell, a through hole in communication with the inside of the machine shell is arranged on the machine shell, and a machine cover is rotationally connected to the machine shell.

[0007] A driving roller is arranged in the machine shell and rotationally connected thereto, a driving assembly for driving the driving roller to rotate is arranged in the machine shell, a guide roller A with the same height as the driving roller is rotationally arranged in the machine shell, and an inkjet printing mechanism is arranged in the machine shell.

[0008] A fixing plate is arranged in the machine shell, an installation frame in elastic sliding connection with the fixing plate is arranged below the fixing plate, two pressure rollers are rotationally connected to the installation frame, and the two pressure rollers are located directly above the driving roller and the guide roller A, respectively, the two pressure rollers clamp the label paper in cooperation with the driving roller and the guide roller A when the machine cover is in the closed state.

[0009] A movable frame is arranged in the machine shell and rotationally connected thereto, and the movable frame is rotationally connected to an installation shaft.

[0010] And the vertical plate A, both vertical plate A are slidingly arranged in the shell, the vertical plate A is provided with the clamping groove A, and the side of the two side vertical plate A is close to each other is respectively rotationally connected with one rotating disc with clamping groove B, the mounting shaft is clamped into the clamping groove A and the clamping groove B under the action of gravity and is coaxial with the rotating disc, the shell is provided with the bidirectional module of driving the sliding of the two side vertical plate A.

[0011] Preferably, the mounting frame is provided with a plurality of slide rods, the slide rods penetrate through the fixed plate and are slidably connected with the fixed plate, and the ends of the slide rods away from the mounting frame are connected with the limiting blocks, springs are sleeved on the slide rods, and the two ends of the springs are respectively abutted with the upper surface of the fixed plate and the lower surface of the limiting block.

[0012] Preferably, the mounting frame is provided with a plurality of slide rods, the slide rods penetrate through the fixed plate and are slidably connected with the fixed plate, and the ends of the slide rods away from the mounting frame are connected with the limiting blocks, springs are sleeved on the slide rods, and the two ends of the springs are respectively abutted with the upper surface of the fixed plate and the lower surface of the limiting block.

[0013] Preferably, the mounting frame is provided with a plurality of slide rods, the slide rods penetrate through the fixed plate and are slidably connected with the fixed plate, and the ends of the slide rods away from the mounting frame are connected with the limiting blocks, springs are sleeved on the slide rods, and the two ends of the springs are respectively abutted with the upper surface of the fixed plate and the lower surface of the limiting block.

[0014] Preferably, the movable frame is slidably connected with the clamping block, the end of the clamping block towards the mounting shaft is provided with a brake pad, and the movable frame is provided with a linear drive assembly for driving the clamping block away from or close to the mounting shaft.

[0015] Preferably, the shell is provided with two parallel slide frames, the two side vertical plate A are respectively connected with the corresponding slide frame, and the two slide frames are respectively connected with the output ends of the corresponding side of the bidirectional module.

[0016] Preferably, the two slide frames are respectively connected with one vertical plate B, the vertical plate B is located between the driving roller and the guide roller A, and the side of the two vertical plate B close to each other is respectively rotationally provided with a plurality of limiting rollers, and the distance between the two limiting rollers is same with the distance between the rotating discs.

[0017] Compared with the prior art, the utility model has the advantages of the following beneficial technical effects:

[0018] Through the setting of the elastic slidingly arranged mounting frame, the pressing roller and the heating rod are arranged on the mounting frame, when the cover is opened, the mounting frame is lifted under the action of the spring tension, thereby providing sufficient space for subsequent traction of the label paper, and through the setting of the movable frame and the cooperation structure of the vertical plate A and the rotating disc, when the label paper roll is replaced, the mounting shaft is only needed to be separated from the clamping groove A and the clamping groove B by turning over the movable frame, the label paper roll can be quickly pulled out and inserted, after replacement, the mounting shaft is clamped in the clamping groove A and the clamping groove B, the distance between the two rotating discs is tightened, so that the two rotating discs respectively abut against the corresponding side of the label paper roll, and in the process of rotating the label paper roll, the rotating disc rotates with the mounting shaft, and the label paper roll is not blocked. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is structural schematic view of one embodiment of the utility model;

[0020] Figure 2 It is connecting structure schematic view of each component on the fixed plate;

[0021] Figure 3 It is connecting structure schematic view of each component on the fixed seat;

[0022] Figure 4 It is connecting structure schematic view of each component on the slide.

[0023] Reference signs: 1, machine shell; 101, through hole; 2, machine cover; 3, driving roller; 4, driving assembly; 5, guide roller A; 6, guide roller B; 7, printer head; 8, linear module; 9, fixed plate; 10, slide bar; 11, limit block; 12, mounting frame; 13, spring; 14, compression roller; 15, heating rod; 16, fixed seat; 17, movable frame; 18, mounting shaft; 19, clamping block; 20, linear driving assembly; 21, slide; 22, bidirectional module; 23, vertical plate A; 231, clamping groove A; 24, rotary disc; 241, clamping groove B; 25, vertical plate B; 26, limit roller. DETAILED DESCRIPTION

[0024] Embodiment one

[0025] As Figures 1-4As shown, the utility model provides a label printing machine of switchable printing type number, including casing 1, driving roller 3, fixed plate 9, movable frame 17 and stand A23. The casing 1 is provided with the through hole 101 that communicates with its inside, and the casing 1 is rotatably connected with the machine cover 2. The driving roller 3 is arranged in the casing 1 and is rotatably connected with it, and the casing 1 is provided with the drive assembly 4 for driving the driving roller 3 to rotate, and the drive assembly 4 includes but is not limited to motor A and toothed belt. The roller shaft of the driving roller 3 is coaxially connected with pulley A, the body of motor A is connected with the casing 1, the output end of motor A is coaxially connected with pulley B, and pulley A and pulley B are drivingly connected through toothed belt. The casing 1 is rotatably provided with the guide roller A5 of the same height with the driving roller 3, and the casing 1 is provided with an inkjet printing mechanism, which includes a printer head 7, a linear module 8 and an ink cartridge. The fixed plate 9 is arranged in the casing 1, and the mounting bracket 12 is arranged below the fixed plate 9, a plurality of slide rods 10 are arranged on the mounting bracket 12, the slide rods 10 penetrate through the fixed plate 9 and are slidingly connected with the fixed plate 9, and one end of the slide rod 10 away from the mounting bracket 12 is connected with the limiting block 11, the spring 13 is sleeved on the slide rod 10, and the two ends of the spring 13 are respectively abutted with the upper surface of the fixed plate 9 and the lower surface of the limiting block 11. The mounting bracket 12 is rotatably connected with two compression rollers 14, and the two compression rollers 14 are located directly above the driving roller 3 and the guide roller A5 respectively, and the two compression rollers 14 cooperate with the driving roller 3 and the guide roller A5 to clamp the label paper in the closed state of the machine cover 2. The heating rod 15 parallel to the compression roller 14 is arranged between the two compression rollers 14 on the mounting bracket 12, and the outer diameter of the heating rod 15 is less than the outer diameter of the compression roller 14. The casing 1 is provided with a guide frame between the heating rod 15 and the guide roller A5 and parallel to both, the printer head 7 is slidingly connected with the guide frame, and the linear module 8 is arranged on the guide frame and drives the printer head 7 to slide. The casing 1 is provided with a fixed seat 16, the movable frame 17 is rotatably connected with the fixed seat 16, and the movable frame 17 is rotatably connected with the mounting shaft 18. The two stands A23 are slidingly arranged in the casing 1, the clamping groove A231 is arranged on the stand A23, and the two side stands A23 are rotatably connected with one rotary disc 24 with clamping groove B241 on one side, and the mounting shaft 18 is coaxially clamped in the clamping groove A231 and the clamping groove B241 under the action of gravity and is coaxial with the rotary disc 24. The casing 1 is provided with a bidirectional module 22, the casing 1 is provided with two parallel carriages 21, the two side stands A23 are connected with the corresponding side carriages 21 respectively, and the two side carriages 21 are connected with the output ends of the corresponding side of the bidirectional module 22 respectively. The two side carriages 21 are connected with one stand B25 respectively, the stand B25 is located between the driving roller 3 and the guide roller A5, and a plurality of limiting rollers 26 are rotatably arranged on one side of the two side stands B25 close to each other, and the distance between the two side limiting rollers 26 is the same as the distance between the rotary discs 24.

[0026] When the label paper needs to be replaced, the cover 2 is opened, at this time the mounting frame 12 is lifted in height under the tension of the spring 13, and then the height of the pressure roller 14 and the heating rod 15 is lifted, the distance between the pressure roller 14 and the driving roller 3 is enlarged, then the movable frame 17 is turned to make the mounting shaft 18 slide out of the clamping groove A231 and the clamping groove B241, and the old paper roll is pulled out, at this time, due to the gravity center of the rotating disc 24 deviating from the clamping groove B241, the rotating disc 24 is automatically kept with the opening of the clamping groove B241 upward, the new paper roll is sleeved on the mounting shaft 18, then the movable frame 17 is turned to make the mounting shaft 18 re-enter the clamping groove A231 and the clamping groove B241, the bidirectional module 22 is started, the bidirectional module 22 drives the two sliding frames 21 to approach each other until the two rotating discs 24 on the two sides are respectively abutted against the corresponding ends of the paper roll, the end of the paper roll is pulled to pass above the guide roller A5 and the driving roller 3 and is pulled out from the through hole 101, then the cover 2 is closed, at this time, the cover 2 presses the limiting block 11 and makes the mounting frame 12 lower in height to the position that the pressure rollers 14 on the two sides are respectively matched with the driving roller 3 and the guide roller A5 and the label paper is clamped, the motor A is started, the motor A drives the driving roller 3 to rotate, and then the label paper is pushed out of the through hole 101 through the driving roller 3 and the pressure roller 14, at this time, the printer head 7 is started to print the label paper, and the fresh ink mark is heated through the heating rod 15 to accelerate the drying of the ink.

[0027] Embodiment two

[0028] As shown in Figure 1 and Figure 3 , the label printer capable of switching printing type numbers of the utility model, compared with embodiment one, movable frame 17 slidingly connects clamping block 19, one end of clamping block 19 towards mounting shaft 18 is provided with brake pad, and movable frame 17 is provided with linear drive assembly 20 driving clamping block 19 away from or close to mounting shaft 18, linear drive assembly includes but is not limited to motor B and screw rod, the body of motor B is connected with casing 1, the output end of motor B is connected with screw rod, screw rod is rotationally connected with movable frame 17, and screw rod is screw connected with clamping block 19.And between guide roller A5 and mounting shaft 18 in casing 1 is provided with guide roller B6, ring-shaped pressure sensor is provided on guide roller B6, ring-shaped pressure sensor is electrically connected with controller, and controller is electrically connected with motor B.

[0029] In this embodiment, the label paper is first wound from below the guide roller B6 and then from above the guide roller A5, and in the process of pulling the label paper, the label paper will generate a certain pressure on the ring-shaped pressure sensor on the guide roller B6, if the pressure value is too large, at this time, the motor B drives the screw rod to rotate and then drives the clamping block 19 away from the mounting shaft 18, and if the pressure value is too small, the motor B drives the clamping block 19 to contact and appropriately extrude the mounting shaft 18.

[0030] The embodiment of the utility model is described in detail above in combination with the drawings, but the utility model is not limited to this, and various changes can be made within the knowledge range possessed by the person skilled in the art without departing from the purpose of the utility model.

Claims

1. A label printer with switchable print type, characterized in that, The utility model relates to a label printing machine The shell (1) is provided with a through hole (101) communicating with the inside of the shell (1), and the shell (1) is rotatably connected with a cover (2); A driving roller (3) is arranged in the shell (1) and is rotatably connected with the shell (1), a driving assembly (4) for driving the driving roller (3) to rotate is arranged in the shell (1), a guide roller A (5) is arranged in the shell (1) and is in the same height as the driving roller (3), and an inkjet printing mechanism is arranged in the shell (1); A fixed plate (9) is arranged in the shell (1), an installation frame (12) is arranged below the fixed plate (9) and is in elastic sliding connection with the fixed plate (9), the installation frame (12) is rotatably connected with two pressing rollers (14), the two pressing rollers (14) are arranged above the driving roller (3) and the guide roller A (5) respectively, and the two pressing rollers (14) are used for clamping label paper in cooperation with the driving roller (3) and the guide roller A (5) when the cover (2) is in the closed state; An activity frame (17) is arranged in the shell (1) and is rotatably connected with the shell (1), and the activity frame (17) is rotatably connected with an installation shaft (18); Two vertical plates A (23) are arranged in the shell (1) and are in sliding connection with the shell (1), a clamping groove A (231) is arranged on each vertical plate A (23), one side of each vertical plate A (23) is rotatably connected with a rotating disc (24) provided with a clamping groove B (241), the installation shaft (18) is clamped into the clamping groove A (231) and the clamping groove B (241) under the action of gravity and is coaxial with the rotating disc (24), and a bidirectional module (22) for driving the two vertical plates A (23) to slide is arranged in the shell (1).

2. A label printer of the type that can switch print job according to claim 1, characterized in that, A plurality of sliding rods (10) are arranged on the installation frame (12), the sliding rods (10) penetrate through the fixed plate (9) and are in sliding connection with the fixed plate (9), one end of each sliding rod (10) away from the installation frame (12) is connected with a limiting block (11), a spring (13) is sleeved on each sliding rod (10), and the two ends of the spring (13) are in abutment with the upper surface of the fixed plate (9) and the lower surface of the limiting block (11) respectively.

3. A label printer of the type that can switch print job according to claim 1, characterized in that, A heating rod (15) parallel to the pressing rollers (14) is arranged on the installation frame (12) between the two pressing rollers (14), and the outer diameter of the heating rod (15) is smaller than the outer diameter of the pressing rollers (14).

4. A label printer of the type that can switch print job according to claim 3, characterized in that, The inkjet printing mechanism comprises a printer head (7), a linear module (8) and an ink cartridge, a guide frame is arranged in the shell (1) and is parallel to the heating rod (15) and the guide roller A (5), the printer head (7) is in sliding connection with the guide frame, and the linear module (8) is arranged on the guide frame and drives the printer head (7) to slide.

5. A label printer of the type that can switch print job according to claim 1, characterized in that, The activity frame (17) is in sliding connection with a clamping block (19), one end of the clamping block (19) facing the installation shaft (18) is provided with a brake pad, and a linear driving assembly (20) for driving the clamping block (19) to move away from or close to the installation shaft (18) is arranged on the activity frame (17).

6. A label printer of the type that can switch print job according to claim 1, characterized in that, Two parallel sliding frames (21) are arranged in the shell (1), the two vertical plates A (23) are connected with the corresponding sliding frames (21) respectively, and the two sliding frames (21) are connected with the output ends of the corresponding sides of the bidirectional module (22) respectively.

7. A label printer of the type that can switch print job according to claim 6, characterized in that, The two slide frames (21) are respectively connected with a vertical plate B (25) which is located between the driving roller (3) and the guide roller A (5), and the two vertical plates B (25) are respectively provided with a plurality of limiting rollers (26) on the side close to each other, and the distance between the two limiting rollers (26) is same with the distance between the rotating disc (24).

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