CN216686774U

CN216686774U - Handheld label printer paper feed mechanism

Info

Publication number: CN216686774U
Application number: CN202123294669.0U
Authority: CN
Inventors: 冯冲
Original assignee: Midou Guangzhou Cloud Technology Co ltd
Current assignee: Midou Guangzhou Cloud Technology Co ltd
Priority date: 2021-12-26
Filing date: 2021-12-26
Publication date: 2022-06-07
Anticipated expiration: 2031-12-26

Abstract

The utility model discloses a paper feeding mechanism of a handheld label printer, and relates to the technical field of label printer equipment. The printing paper feeding device is provided with the rotating rod, the rotating handle, the transmission block, the tooth block, the rotating wheel, the partition plate, the connecting cylinder, the rotating shaft, the transmission gear, the rotating disc, the arc-shaped groove, the elastic clamping block, the connecting column, the rotating tooth, the first gear, the first roller, the second gear, the second roller, the fixed plate, the limiting groove and the fixed roller, so that printing paper can be quickly transmitted, the printing paper can be pushed towards the direction of the fixed plate through the mutual matching of the first roller and the rotating wheel, the printing paper on the fixed plate can be pulled through the mutual matching of the rotating wheel and the second roller, the printing paper can be kept in a fit state with the top end of the fixed plate through the fixed roller, and the offset phenomenon of the printing paper can be avoided through the limiting groove.

Description

Handheld label printer paper feed mechanism

Technical Field

The utility model relates to a paper feeding mechanism of a handheld label printer, in particular to a paper feeding mechanism of a handheld label printer.

Background

The label printer or the intelligent label printer is a printer which is not required to be connected with a computer, carries an input keyboard or intelligent touch screen operation, is internally provided with a certain font, a word stock and a considerable number of label template formats, can directly input, edit and typeset label contents according to the needs of the printer body, and then directly prints and outputs the label contents.

The handheld label printer of current is in the use, and the label is beaten printing paper and is taken place to become flexible easily, leads to printing the phenomenon that the in-process took place to print the dislocation, causes the waste of label paper.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a paper feeding mechanism of a handheld label printer, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

a handheld label printer paper feeding mechanism comprises a shell, a transmission mechanism and a fixing mechanism, wherein a fixed column is arranged at one end of the side face of the inner wall of the shell, a rotating rod is sleeved at one side, away from the shell, of the fixed column, a rotating handle is arranged at one end of the rotating rod, a reset spring is connected at the top end of the rotating handle, a printing code block is connected at one end, away from the rotating handle, of the rotating rod, a transmission block is arranged at the bottom end of the rotating rod, a gear block is arranged at one end of the outer wall of the transmission block, the transmission mechanism is located in the middle of the rotating rod and the shell and is rotationally connected with the inner wall of the shell, a first gear is arranged above the transmission mechanism, a first roller rotationally connected with the inner wall of the shell is sleeved on the inner wall of the first gear, a second gear is arranged at the bottom end of the transmission mechanism, a second roller rotationally connected with the inner wall of the shell is sleeved on the inner wall of the second gear, the fixing mechanism is located the bottom of printing the code piece and with the inner wall fixed connection of shell, the top of fixing mechanism one end is provided with the fixed roller bearing of being connected with the shell inner wall rotation.

As a still further scheme of the utility model: the transmission mechanism comprises a rotating wheel, a partition plate, a connecting cylinder, a rotating shaft, a transmission gear, a rotating disc, a connecting column, a rotating column and a rotating tooth, wherein the partition plate and the connecting cylinder are positioned inside the rotating wheel, the partition plate is positioned on the side surface of the outer wall of the connecting cylinder, one end of the partition plate, far away from the connecting cylinder, is fixedly connected with the inner wall of the rotating wheel, the rotating shaft and the transmission gear are positioned on one side of the outer wall of the rotating wheel, the inner wall of the transmission gear is mutually sleeved with the outer wall of the rotating wheel, one end of the rotating shaft, far away from the rotating wheel, is rotatably connected with the inner wall of the shell, the rotating disc is positioned on one side of the rotating wheel, far away from the transmission gear and is mutually sleeved with the inner wall of the rotating wheel, the connecting column is positioned on one side of the outer wall of the rotating wheel, the rotating tooth is positioned on one end of the outer wall of the rotating column, an arc-shaped groove is formed in the side face of the outer wall of the rotating disc, and an elastic clamping block is arranged at one end of the arc-shaped groove, which is located on one side of the rotating disc close to the rotating wheel.

As a still further scheme of the utility model: the fixed establishment includes fixed plate, fixed block, flexible piece, sliding block and expanding spring, the fixed block is located outer wall one side of fixed plate, the fixed block is kept away from one side of fixed plate and the inner wall fixed connection of shell, the one end that the fixed plate top is close to the fixed block is provided with the spacing groove, one side that the fixed block was kept away from to the fixed plate outer wall is provided with the spout, the inside position department that is close to the spacing groove of fixed plate is provided with flexible groove, flexible piece, expanding spring are located flexible inslot portion, expanding spring is located the one end of flexible piece, the one end that expanding spring was kept away from to flexible piece runs through to the spacing inslot portion, the sliding block is located one side that the fixed plate is close to the spout, one side of sliding block runs through the spout and extends to run through to flexible inslot portion and is connected with flexible piece.

As a still further scheme of the utility model: the upper end and the lower end of the transmission gear are meshed with the first gear and the second gear respectively, the vertical central lines of the first roller, the second gear and the rotating wheel are located on the same axis, and the distance between the first roller and the rotating wheel and the distance between the second gear and the rotating wheel are matched with the thickness of printing paper.

As a still further scheme of the utility model: one end of the elastic clamping block is arc-shaped, the end face of the other end of the elastic clamping block is perpendicular to the rotating disc, and the rotating teeth are meshed with the tooth block.

As a still further scheme of the utility model: the fixed roller is positioned above one end, far away from the limiting groove, of the fixed plate, and the distance between the fixed roller and the fixed plate is matched with the thickness of printing paper.

As a still further scheme of the utility model: the inner wall width of spacing groove is greater than the width of beating printing paper, flexible piece runs through to spacing inslot portion's outer wall one side and spacing inslot wall interval between the opposite side and beat the width phase-match of beating printing paper.

Compared with the prior art, the utility model has the beneficial effects that:

1. the printing paper can be pushed to the direction of the fixed plate by the mutual matching of the first idler wheel and the second idler wheel through the rotating wheel, the printing paper on the fixed plate can be pulled by the mutual matching of the rotating wheel and the second idler wheel, the printing paper can be kept in a fit state with the top end of the fixed plate through the fixed roller, the printing paper can be prevented from being deviated through the limiting groove, and the printing paper can be effectively prevented from being loosened through the mutual matching of the plurality of parts;

2. can realize beating the quick installation of printing paper through setting up fixed plate, spacing groove, spout, flexible groove, fixed block, flexible piece, sliding block and expanding spring, can drive flexible piece through the sliding block and contract to flexible inslot to be convenient for beat printing paper and pass the spacing groove, flexible piece can be automatic re-setting to spacing inslot under expanding spring's effect after loosening the sliding block, will beat printing paper and fix at spacing inslot.

Drawings

FIG. 1 is a schematic diagram of a paper feed mechanism of a hand-held label printer;

FIG. 2 is an exploded view of a hand-held label printer paper feed mechanism;

FIG. 3 is an exploded view of the drive mechanism of the paper feed mechanism of a hand-held label printer;

FIG. 4 is a schematic diagram of a portion of the components of a drive mechanism of a paper feed mechanism of a hand-held label printer;

FIG. 5 is an exploded cross-sectional view of a fixing mechanism of a paper feed mechanism of a hand-held label printer.

In the figure: 1. a housing; 2. fixing a column; 3. rotating the rod; 301. rotating the handle; 302. a transmission block; 303. a tooth block; 4. printing a code block; 5. a return spring; 6. a transmission mechanism; 601. a rotating wheel; 602. a partition plate; 603. a connecting cylinder; 604. a rotating shaft; 605. a transmission gear; 606. rotating the disc; 6061. an arc-shaped slot; 6062. an elastic clamping block; 607. connecting columns; 608. rotating the column; 609. rotating the teeth; 7. fixing the roller; 8. a fixing mechanism; 801. a fixing plate; 8011. a limiting groove; 8012. a chute; 8013. a telescopic groove; 802. a fixed block; 803. a telescopic block; 804. a slider; 805. a tension spring; 9. a first gear; 10. a first roller; 11. a second gear; 12. and a second roller.

Detailed Description

Referring to fig. 1 to 5, in the embodiment of the present invention, a handheld label printer paper feeding mechanism includes a housing 1, a transmission mechanism 6, and a fixing mechanism 8, wherein a fixing column 2 is disposed at one end of a side surface of an inner wall of the housing 1, a rotating rod 3 is sleeved on one side of the fixing column 2 away from the housing 1, a rotating handle 301 is disposed at one end of the rotating rod 3, a return spring 5 is connected to a top end of the rotating handle 301, a printing code block 4 is connected to one end of the rotating rod 3 away from the rotating handle 301, a transmission block 302 is disposed at a bottom end of the rotating rod 3, a tooth block 303 is disposed at one end of an outer wall of the transmission block 302, the transmission mechanism 6 is located at a middle position between the rotating rod 3 and the housing 1 and is rotatably connected to the inner wall of the housing 1, a first gear 9 is disposed above the transmission mechanism 6, a first roller 10 rotatably connected to the inner wall of the housing 1 is sleeved on an inner wall of the first gear 9, a second gear 11 is disposed at a bottom end of the transmission mechanism 6, no. two gyro wheels 12 of being connected with shell 1 inner wall rotation are cup jointed to the inner wall of No. two gear 11, and fixed establishment 8 is located the bottom of printing the code piece 4 and with shell 1's inner wall fixed connection, and the top of fixed establishment 8 one end is provided with the fixed roller bearing 7 of being connected with shell 1 inner wall rotation.

This kind of handheld label printer paper feed mechanism can make dwang 3 can use fixed column 2 to rotate downwards as the center through rotating handle 301, can drive then and print the removal of code piece 4 to 8 directions of fixed establishment, make and print printing paper on code piece 4 and the fixed establishment 8 and print the operation, reset spring 5's top is laminated with the inner wall top of shell 1 mutually, can make through reset spring 5 and rotate handle 301, dwang 3, print code piece 4 automatic re-setting.

In FIGS. 1 to 4: the transmission mechanism 6 comprises a rotating wheel 601, a partition 602, a connecting cylinder 603, a rotating shaft 604, a transmission gear 605, a rotating disc 606, a connecting column 607, a rotating column 608 and a rotating tooth 609, the partition 602 and the connecting cylinder 603 are positioned inside the rotating wheel 601, the partition 602 is positioned on the side surface of the outer wall of the connecting cylinder 603, one end of the partition 602 far away from the connecting cylinder 603 is fixedly connected with the inner wall of the rotating wheel 601, the rotating shaft 604 and the transmission gear 605 are positioned on one side of the outer wall of the rotating wheel 601, the inner wall of the transmission gear 605 is sleeved with the outer wall of the rotating shaft 604, one end of the rotating shaft 604 far away from the rotating wheel 601 is rotatably connected with the inner wall of the shell 1, the rotating disc 606 is positioned on one side of the rotating wheel 601 far away from the transmission gear 605 and sleeved with the inner wall of the rotating wheel 601, the connecting column 607 is positioned on the outer wall of the side of the rotating disc 606 close to the rotating wheel 601 and sleeved with the inner wall of the connecting cylinder 603, the rotating column 608 is positioned on the outer wall and one side of the rotating disc 606 far away from the rotating wheel 601, the rotating tooth 609 is located at one end of the outer wall of the rotating column 608, an arc-shaped groove 6061 is formed in the side face of the outer wall of the rotating disc 606, and an elastic clamping block 6062 is arranged at one end of the arc-shaped groove 6061, which is located on one side of the rotating disc 606 close to the rotating wheel 601.

This kind of handheld label printer paper feed mechanism can realize the transmission motion of beating printing paper through drive mechanism 6, and the one-way rotation function can be realized to rolling disc 606 bronze drum elasticity fixture block 6062 and baffle 602 mutually supporting, and its rolling disc 606 can only use and rotate wheel 601 as the base and carry out one-way rotation.

In fig. 1 and 5: the fixing mechanism 8 comprises a fixing plate 801, a fixing block 802, a telescopic block 803, a sliding block 804 and a telescopic spring 805, wherein the fixing block 802 is located on one side of the outer wall of the fixing plate 801, one side of the fixing block 802, which is far away from the fixing plate 801, is fixedly connected with the inner wall of the housing 1, one end, which is close to the fixing block 802, of the top end of the fixing plate 801 is provided with a limiting groove 8011, one side, which is far away from the fixing block 802, of the outer wall of the fixing plate 801 is provided with a sliding groove 8012, a telescopic groove 8013 is arranged in the fixing plate 801 at a position, which is close to the limiting groove 8011, the telescopic block 803 and the telescopic spring 805 are located in the telescopic groove 8013, the telescopic spring 805 is located at one end of the telescopic block 803, which is far away from the telescopic spring 805, penetrates through to the inside of the limiting groove 8011, the sliding block 804 is located on one side, which is close to the sliding groove 8012, and one side of the sliding block 804 extends through to the inside of the telescopic groove 8013 and is connected with the telescopic block 803.

This kind of handheld label printer paper feed mechanism can fix printing paper through fixed establishment 8, is convenient for print the sign indicating number 4 and prints the operation to can fix spacingly through spacing groove 8011 to printing paper, avoid printing paper and print the sign indicating number 4 and take place the error phenomenon.

In fig. 3: the upper end and the lower end of the transmission gear 605 are meshed with the first gear 9 and the second gear 11 respectively, the vertical center lines of the first roller 10, the second gear 11 and the rotating wheel 601 are located on the same axis, and the space between the first roller 10 and the rotating wheel 601 and the space between the second gear 11 and the rotating wheel 601 are matched with the thickness of printing paper.

The paper feeding mechanism of the handheld label printer can realize synchronous rotation of the first roller 10, the second roller 12 and the rotating wheel 601 through mutual matching of the transmission gear 605, the first gear 9 and the second gear 11.

In fig. 4: one end of the elastic fixture block 6062 is arc-shaped, the end face of the other end of the elastic fixture block 6062 is perpendicular to the rotating disc 606, and the rotating tooth 609 is meshed with the tooth block 303.

This kind of handheld label printer paper feed mechanism, transmission block 302 downward motion in-process can drive rolling disc 606 through mutually supporting of tooth piece 303, rotation tooth 609 and rotate, can make rolling disc 606 only can carry out unidirectional rotation through the structure of elasticity fixture block 6062.

In fig. 1: the fixing roller 7 is located above one end of the fixing plate 801 far away from the limiting groove 8011, and the distance between the fixing roller 7 and the fixing plate 801 is matched with the thickness of printing paper.

The paper feeding mechanism of the handheld label printer can enable printing paper to be in a fit state with the top end of the fixing plate 801 through the structure.

In fig. 5: the width of the inner wall of the limiting groove 8011 is larger than that of printing paper, and the distance between one side of the outer wall of the interior of the limiting groove 8011 and the other side of the inner wall of the limiting groove 8011 is matched with the width of the printing paper by the telescopic block 803.

This kind of handheld label printer paper feed mechanism can avoid beating printer paper error phenomenon through mutually supporting of spacing groove 8011 and flexible piece 803.

The working principle of the utility model is as follows: when the paper feeding mechanism of the handheld label printer is used, printing paper sequentially passes through the following positions in sequence, firstly passes through the middle positions of the first roller 10 and the rotating wheel 601, then passes through the middle positions of the bottom end of the fixed roller 7 and the top end of the fixed plate 801, then passes through the top end of the limiting groove 8011 to the bottom end of the fixed plate 801, and finally passes through the middle positions of the rotating wheel 601 and the second roller 12, at this time, the printing paper is mounted, when printing is performed, the handle 301 is rotated by kneading, the rotating rod 3 and the printing code block 4 move downwards by taking the fixed column 2 as the center, the printing code block 4 moves until the top end of the fixed plate 801 is attached to the printing paper, the printing operation is completed, the rotating rod 3 drives the transmission block 302 to move downwards in the process, and the rotating disc 606 can rotate by taking the rotating wheel 601 as the base through the mutual matching of the tooth block 303, the rotating tooth 609 and the rotating column 608, at this time, the arc structure of the elastic fixture block 6062 on the rotating disc 606 enables the elastic fixture block 6062 not to affect the rotation of the rotating disc 606, then the rotating handle 301 is released, at this time, the rotating rod 3, the printing code block 4 and the driving block 302 automatically reset under the action of the reset spring 5, the tooth block 303 on the driving block 302 is meshed with the rotating tooth 609 to enable the rotating block to drive the rotating disc 606 to reversely rotate, at this time, the vertical surface of the elastic fixture block 6062 on the rotating disc 606 is clamped with the partition plate 602, so that the rotating disc 606 can drive the rotating wheel 601 to rotate together, the rotating wheel 601 can drive the first roller 10 and the second roller 12 to synchronously rotate through the rotating shaft 604, the transmission gear 605, the first gear 9 and the second gear 11, the printing paper can be pushed to move to the fixing plate 801 through the rotation of the rotating wheel 601 and the first roller 10, the printing paper can be pulled through the mutual matching of the rotating wheel 601 and the second roller 12, through the transmission motion that can realize beating printing paper of mutually supporting of these two movements, beat printing paper and can separate its label of printing when getting into spacing groove 8011 and move out along the fixed plate front end, spacing groove 8011 can avoid beating printing paper to take place the skew and lead to printing wrong phenomenon and take place in addition, can beat flexible piece 803 through sliding block 804 and contract to flexible groove 8013 in, can be convenient for beat printing paper through this operation and put into spacing groove 8011 to the installation that makes beating printing paper is convenient and fast more.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.

Claims

1. A handheld label printer paper feeding mechanism comprises a shell (1), a transmission mechanism (6) and a fixing mechanism (8), and is characterized in that a fixing column (2) is arranged at one end of the side face of the inner wall of the shell (1), a rotating rod (3) is sleeved at one side, away from the shell (1), of the fixing column (2), a rotating handle (301) is arranged at one end of the rotating rod (3), a reset spring (5) is connected to the top end of the rotating handle (301), a printing code block (4) is connected to one end, away from the rotating handle (301), of the rotating rod (3), a transmission block (302) is arranged at the bottom end of the rotating rod (3), a tooth block (303) is arranged at one end of the outer wall of the transmission block (302), the transmission mechanism (6) is located at the middle position of the rotating rod (3) and the shell (1) and is rotatably connected with the inner wall of the shell (1), the top of drive mechanism (6) is provided with gear (9) No. one, the inner wall of gear (9) cup joints gyro wheel (10) of being connected with shell (1) inner wall rotation, and the bottom of drive mechanism (6) is provided with No. two gear (11), and the inner wall of No. two gear (11) cup joints gyro wheel (12) No. two of being connected with shell (1) inner wall rotation, fixed establishment (8) are located the bottom of printing yard (4) and with the inner wall fixed connection of shell (1), the top of fixed establishment (8) one end is provided with fixed roller bearing (7) of being connected with shell (1) inner wall rotation.

2. The paper feeding mechanism of the handheld label printer is characterized in that the transmission mechanism (6) comprises a rotating wheel (601), a partition plate (602), a connecting cylinder (603), a rotating shaft (604), a transmission gear (605), a rotating disc (606), a connecting column (607), a rotating column (608) and a rotating tooth (609), the partition plate (602) and the connecting cylinder (603) are positioned inside the rotating wheel (601), the partition plate (602) is positioned on the side surface of the outer wall of the connecting cylinder (603), one end of the partition plate (602) far away from the connecting cylinder (603) is fixedly connected with the inner wall of the rotating wheel (601), the rotating shaft (604) and the transmission gear (605) are positioned on one side of the outer wall of the rotating wheel (601), the inner wall of the transmission gear (605) is mutually sleeved with the outer wall of the rotating shaft (604), one end of the rotating shaft (604) far away from the rotating wheel (601) is rotatably connected with the inner wall of the housing (1), the rotating disc (606) is located one side of rotating wheel (601) far away from transmission gear (605) and cup joints with the inner wall of rotating wheel (601) each other, connecting post (607) is located one side outer wall that rotating disc (606) is close to rotating wheel (601) and cup joints with the inner wall of connecting cylinder (603) each other, it is located outer wall and one side of rotating wheel (601) far away from rotating disc (606) to rotate post (608), rotation tooth (609) is located the outer wall one end of rotating post (608), the outer wall side of rotating disc (606) is provided with arc wall (6061), one side that rotating disc (606) is close to rotating wheel (601) is located arc wall (6061) one end position department and is provided with elasticity fixture block (6062).

3. The paper feeding mechanism of the handheld label printer according to claim 1, wherein the fixing mechanism (8) comprises a fixing plate (801), a fixing block (802), an expansion block (803), a sliding block (804) and an expansion spring (805), the fixing block (802) is located on one side of the outer wall of the fixing plate (801), one side of the fixing block (802) far away from the fixing plate (801) is fixedly connected with the inner wall of the housing (1), a limiting groove (8011) is arranged at one end of the top end of the fixing plate (801) close to the fixing block (802), a sliding groove (8012) is arranged on one side of the outer wall of the fixing plate (801) far away from the fixing block (802), an expansion groove (8013) is arranged at a position close to the limiting groove (8011) inside the fixing plate (801), the expansion block (8013) and the expansion spring (805) are located inside the expansion groove (8013), and the expansion spring (805) is located at one end of the expansion block (803), one end, far away from the telescopic spring (805), of the telescopic block (803) penetrates into the limiting groove (8011), the sliding block (804) is located on one side, close to the sliding groove (8012), of the fixing plate (801), and one side of the sliding block (804) penetrates through the sliding groove (8012) and extends into the telescopic groove (8013) to be connected with the telescopic block (803).

4. The paper feeding mechanism of the handheld label printer is characterized in that the upper end and the lower end of the transmission gear (605) are meshed with the first gear (9) and the second gear (11) respectively, the vertical center lines of the first roller (10), the second gear (11) and the rotating wheel (601) are located on the same axis, and the distance between the first roller (10) and the rotating wheel (601) and the distance between the second gear (11) and the rotating wheel (601) are matched with the thickness of printing paper.

5. The paper feeding mechanism of a handheld label printer according to claim 2, wherein one end of the elastic block (6062) is arc-shaped, the other end face of the elastic block (6062) is perpendicular to the rotating disc (606), and the rotating teeth (609) are meshed with the tooth block (303).

6. The paper feeding mechanism of handheld label printer as claimed in claim 2, wherein said fixing roller (7) is located above an end of the fixing plate (801) far from the limiting groove (8011), and the distance between the fixing roller (7) and the fixing plate (801) matches the thickness of printing paper.

7. The paper feeding mechanism of the handheld label printer according to claim 3, wherein the width of the inner wall of the limiting groove (8011) is larger than the width of printing paper, and the distance between one side of the outer wall of the inner part of the limiting groove (8011) penetrated by the telescopic block (803) and the other side of the inner wall of the limiting groove (8011) is matched with the width of the printing paper.