A ticket printer mechanism and a ticket printer

Abstract

The application discloses a kind of bill printer movement, comprising: print head assembly, for printing pattern on paper;Upper fixed plate, for fixed installation print head assembly;Rubber roller;Lower fixed plate, for installing rubber roller;Driving assembly, for driving rubber roller rotation;Paper cutting assembly, for cutting paper;Paper cutting assembly includes mounting plate with mounting hole, press column arranged in mounting hole, connecting plate arranged on the end of press column, buffer elastic member symmetrically arranged on the both sides of connecting plate, elastic pressing plate arranged on the end of buffer elastic member, and cutting knife arranged on connecting plate, first reset member sleeved on press column and reset member baffle arranged on the outer wall of press column.

Description

Technical Field

[0001] This invention belongs to the field of printer technology, and in particular relates to a receipt printer mechanism and a receipt printer. Background Technology

[0002] The working principle of a receipt printer is that a semiconductor heating element is installed on the print head. The print head heats up and comes into contact with thermal paper to print the desired image, similar to the principle of a thermal fax machine. Waybill printers are also widely used, found in bank ATMs, supermarket checkouts, and e-commerce shipping counters, for printing transaction slips, receipts, or express delivery slips. Existing waybill printers typically have a casing consisting of an upper and lower housing, with a paper path between them. One end of the paper path is the paper inlet, and the other end is the paper outlet.

[0003] Most existing receipt printers cut paper by pulling it and squeezing it against a serrated cutting plate, resulting in poor cutting quality and uneven cuts. Summary of the Invention

[0004] The summary section of this application is intended to provide a brief overview of the concepts, which will be described in detail in the detailed description section below. This summary section is not intended to identify key or essential features of the claimed technical solutions, nor is it intended to limit the scope of the claimed technical solutions.

[0005] To address the technical problems mentioned in the background section above, some embodiments of this application provide a receipt printer mechanism, including: Printhead assembly for printing patterns on paper; The upper mounting plate is used to securely install the printhead assembly. Rubber rollers; The lower fixing plate is used to install the rubber roller; Drive assembly, used to drive the rubber roller to rotate; Paper cutting assembly for cutting paper; The paper cutting assembly includes a mounting plate with mounting holes, a pressing post disposed in the mounting holes, a connecting plate disposed at the end of the pressing post, buffer elastic members symmetrically disposed on both sides of the connecting plate, an elastic pressure plate disposed at the end of the buffer elastic member, a cutting blade disposed on the connecting plate, a first reset member sleeved on the pressing post, and a reset member baffle disposed on the outer wall of the pressing post.

[0006] Furthermore, the drive assembly includes connecting shafts located at both ends of the rubber roller, connecting sleeves located on the connecting shafts, a drive motor, and a gear set for connecting the connecting sleeves and the output shaft of the drive motor.

[0007] A receipt printer, comprising: The aforementioned receipt printer mechanism; The lower housing has a placement slot. The upper housing is rotatably mounted on the lower housing. A locking mechanism is used to lock the upper housing; A limiting mechanism restricts the rotation of the upper housing; A fixing mechanism is in place to prevent the lower housing from sliding. The limiting mechanism includes two paper limiting plates disposed on the placement slots, a first pre-positioning slot disposed on the placement slots, a second pre-positioning slot disposed on the first pre-positioning slot, a third pre-positioning slot disposed on the second pre-positioning slot, a connecting post disposed on the paper limiting plate, a rack disposed on the connecting post, a fixed seat disposed on the lower housing, and a gear disposed on the fixed seat. The paper limiting plates can slide relative to the placement slots, and the gear meshes with the rack.

[0008] Furthermore, the locking mechanism includes a locking block disposed on the upper housing, a movable latch block and a reset assembly. The latch block is provided with a locking cavity for the locking block to be inserted into. A limiting protrusion is provided on the side wall of the locking cavity. The locking block is provided with a locking protrusion that cooperates with the limiting protrusion. The locking protrusion is provided with a second inclined surface.

[0009] Furthermore, the reset assembly includes a baffle on the lower housing, a push block on the locking block, and a first elastic member on the locking block. One end of the first elastic member is fixed to the baffle, and the other end is fixed to the locking block. The lower housing is provided with a through groove for the push block to pass through.

[0010] Furthermore, the reset assembly also includes a limiting post on the upper housing and a limiting plate on the limiting post, and the locking block is provided with a sliding groove that cooperates with the limiting post.

[0011] Furthermore, the locking mechanism also includes a second elastic element disposed on the upper housing.

[0012] Furthermore, the fixing mechanism includes a support foot located on the bottom of the lower housing, a suction cup located on the support foot, and auxiliary components.

[0013] Furthermore, the auxiliary components include a control rod on the support foot, a rotating rod on the control rod, a drive gear on the control rod, a control plate on the lower housing, a drive rack on the control plate, a second reset component on the control rod, and a protective component. The bottom of the suction cup is provided with a groove into which the rotating rod can be inserted. The rotating rod is provided with a first arc-shaped curved surface, and the side wall of the groove is provided with a second arc-shaped curved surface. The lower housing is provided with a sliding channel that cooperates with the control plate.

[0014] Furthermore, the protective component includes a rotating shaft on the control panel, a first circular hole evenly distributed on the rotating shaft, a third elastic element disposed in the first circular hole, a push rod disposed at the end of the third elastic element, a ball on the push rod, and a pressing plate rotatably connected to the rotating shaft. The pressing plate is provided with a second circular hole that mates with the rotating shaft, and the inner wall of the second circular hole is provided with a positioning groove that mates with the ball.

[0015] This application provides a ticket printer mechanism and ticket printer with good cutting effect. Attached Figure Description

[0016] The accompanying drawings, which form part of this application, are used to provide a further understanding of the application and to make other features, objects, and advantages of the application more apparent. The illustrative embodiments and descriptions of this application are used to explain the application and do not constitute an undue limitation of the application.

[0017] Furthermore, throughout the accompanying drawings, the same or similar reference numerals denote the same or similar elements. It should be understood that the drawings are schematic, and the elements are not necessarily drawn to scale.

[0018] In the attached diagram: Figure 1 This is a schematic diagram of the structure of the present invention.

[0019] Figure 2 This is a planar sectional view of the present invention.

[0020] Figure 3 This is a three-dimensional sectional view of the present invention.

[0021] Figure 4 This is a partial structural diagram of the locking mechanism.

[0022] Figure 5 This is a partial structural diagram of the locking mechanism.

[0023] Figure 6 for Figure 1 A magnified view of point A.

[0024] Figure 7 This is a partial structural schematic diagram of the driving component of the present invention.

[0025] Figure 8 This is a partial structural schematic diagram of the paper cutting assembly of the present invention.

[0026] Figure 9 This is a partial structural diagram of the fixing mechanism of the present invention.

[0027] Figure 10 for Figure 9 A magnified view of point A.

[0028] Figure 11 for Figure 9 A structural diagram from another perspective.

[0029] Figure 12 This is a schematic diagram showing the interaction between the rotating rod and the suction cup of the present invention. Detailed Implementation

[0030] Embodiments of this disclosure will now be described in more detail with reference to the accompanying drawings. While some embodiments of this disclosure are shown in the drawings, it should be understood that this disclosure can be implemented in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of this disclosure. It should be understood that the accompanying drawings and embodiments of this disclosure are for illustrative purposes only and are not intended to limit the scope of protection of this disclosure.

[0031] It should also be noted that, for ease of description, only the parts relevant to the invention are shown in the accompanying drawings. Unless otherwise specified, the embodiments and features described in this disclosure can be combined with each other.

[0032] It should be noted that the concepts of "first" and "second" mentioned in this disclosure are used only to distinguish different devices, modules or units, and are not used to limit the order of functions performed by these devices, modules or units or their interdependencies.

[0033] It should be noted that the terms "a" and "a plurality of" used in this disclosure are illustrative rather than restrictive, and those skilled in the art should understand that, unless otherwise expressly indicated in the context, they should be understood as "one or more".

[0034] This disclosure will now be described in detail with reference to the accompanying drawings and embodiments.

[0035] like Figure 1-12 As shown, the ticket printer mechanism includes a printhead assembly 5, an upper fixing plate 6, a rubber roller 7, a lower fixing plate 8, a drive assembly, and a paper cutting assembly. The printhead assembly 5 is fixedly mounted on the upper fixing plate; the rubber roller 7 is rotatably connected to the lower fixing plate and is driven to rotate by the drive assembly.

[0036] Specifically, the drive assembly includes a connecting shaft 71, a connecting sleeve 72, a drive motor 73, and a gear set 74. The connecting shaft 71 is fixed to both ends of the rubber roller; the connecting sleeve 72 is fixed to the connecting shaft; one gear in the gear set 74 is connected to the connecting sleeve, and another gear is fixed to the output shaft of the drive motor.

[0037] Specifically, the paper cutting assembly includes a mounting plate 91, a pressing post 92, a connecting plate 93, a buffer elastic element 94, an elastic pressure plate 95, a cutting blade 96, a first reset element 97, and a reset element baffle 98. The mounting plate 91 has mounting holes; the pressing post 92 passes through the mounting holes and can slide relative to the inner wall of the mounting holes; the connecting plate 93 is fixed to the end of the pressing post; the buffer elastic element 94 is a spring, which is symmetrically and evenly arranged on both sides of the connecting plate, and one end of it is fixed to the connecting plate; the elastic pressure plate 95 is fixed to the end of the buffer elastic element; the cutting blade 96 is fixed to the connecting plate, and the lower fixed plate has an opening for supplying... The cutting blade passes through a cutting groove; the reset baffle 98 is fixed on the outer wall of the pressing column; the first reset element 97 is a spring, which is sleeved on the pressing column, with one end fixed to the reset baffle and the other end fixed to the inner wall of the mounting hole; when paper needs to be cut, simply press the pressing column down, and the elastic pressure plate will first contact the paper, thereby pressing the paper tightly to prevent it from moving during cutting and ensuring the cutting effect. Then, as the pressing column moves further down, the cutting blade cuts the paper, thus completing the cutting. Then, release the pressing column, and the first reset element will drive the pressing column to reset, facilitating subsequent printing and cutting.

[0038] like Figure 1-12 As shown, a receipt printer includes the aforementioned receipt printer mechanism, a lower housing 1, an upper housing 2, a locking mechanism, a limiting mechanism, and a fixing mechanism. An upper fixing plate and a mounting plate are fixed on the upper housing; a lower fixing plate is fixed on the lower housing; a paper placement slot is provided on the lower housing 2; the upper housing and the lower housing are rotatably connected.

[0039] Specifically, the limiting mechanism includes a paper limiting plate 31, a first pre-positioning groove 32, a second pre-positioning groove 33, a third pre-positioning groove 34, a connecting post 35, a rack 36, a fixing seat 37, and a gear 38. A sliding groove is provided on the lower housing, and two paper sliding plates are correspondingly disposed within the sliding groove, allowing the paper limiting plate to slide relative to the placement groove. The connecting post 35 is fixed to the paper limiting plate; the rack 36 is fixed to the connecting post; the fixing seat 37 is fixed within the lower housing; the gear 38 is rotatably connected to the fixing seat, and the gear meshes with the rack; the first pre-positioning groove 32 is formed on the placement groove; the second pre-positioning groove 33 is formed on the first pre-positioning groove 34. The bottom of the positioning groove; the third pre-positioning groove 34 starts at the bottom of the second pre-positioning groove, the first pre-positioning groove, the second pre-positioning groove, and the third pre-positioning groove correspond to 4-inch paper, 3-inch paper, and 2-inch paper, respectively; when placing different sizes of paper, the paper can be pre-positioned according to the pre-positioning groove, and it is also convenient to adjust the paper limiting plate to the accurate position. When moving one paper limiting plate, it will drive the gear to rotate, thereby driving the other paper limiting plate to move synchronously, making the adjustment more convenient. Through the cooperation of the gear and rack, the paper limiting plate can play a certain locking effect, preventing the paper from moving the position of the paper limiting plate.

[0040] Specifically, the locking mechanism includes a locking block 41, a latching block 42, and a reset assembly. The reset assembly includes a baffle 43, a push block 44, a first elastic element 47, a limiting post 45, a second elastic element 48, and a limiting plate 46. The locking block 41 is fixed to the upper housing, and the lower housing has a through hole for the locking block to pass through. A locking protrusion 411 is fixed to the end of the locking block, and the locking protrusion has a second inclined surface. The limiting post 45 is fixed inside the lower housing, and the latching block 42 has a sliding groove 421 for the limiting post to pass through. The limiting plate 46 is fixed to the end of the limiting post. The push block 44 is fixed to the side wall of the latching block, and the lower housing has a through groove for the push block to pass through. The baffle 43 is fixed to the upper housing. Inside the lower housing; the first elastic element 47 is a spring, one end of which is fixed to the baffle and the other end is fixed to the locking block; the locking block 42 is provided with a locking cavity 422 for the locking block to be inserted, and a limiting protrusion 423 is fixed on the side wall of the locking cavity; when the upper housing is closed, the second inclined surface of the locking block will contact the limiting protrusion of the locking block, thereby squeezing the locking block to move inward, so that the locking block enters the locking cavity. After the locking block enters the locking cavity, the first elastic element will push the locking block to reset, completing the locking of the upper housing; when it is needed, press the push block, and the second elastic element will push the upper housing to flip upward at a certain angle, so that the locking block disengages from the locking cavity, making it easy to open.

[0041] Specifically, the fixing mechanism includes a support foot 81, a suction cup 82, and auxiliary components; the support foot 81 is fixed to the bottom of the lower housing; the suction cup 82 is an elastic rubber suction cup, which is fixed to the support foot. The printer can be fixed on the desktop by the suction cup to avoid movement during use and affect the use.

[0042] Specifically, the auxiliary components include a control rod 831, a rotating rod 832, a drive gear 833, a control plate 834, a drive rack 835, a second reset component 836, and protective components. The suction cup and support feet have holes for the control rod to pass through. The rotating rod 832 is fixed to the outer wall of the control rod, and the bottom of the suction cup has a groove 821 for the rotating rod to be inserted. The rotating rod 832 has a first arc-shaped curved surface 8321, and the side wall of the groove has a second arc-shaped curved surface 8211, facilitating the rotating rod to rotate out of the groove. The drive gear 833 is fixed to the outer wall of the control rod. The lower housing has a sliding mechanism that cooperates with the control plate. The system includes a drive channel; a drive rack 835 fixed to the control board and meshing with the drive gear; a second reset element 836 is a torsion spring, with one torsion arm fixed to the control rod and the other torsion arm fixed to the lower housing; under the action of the second reset element, the rotating rod will automatically rotate into the groove. When placing the printer, pressing the lower housing will attach the suction cup to the tabletop, thus completing the fixation; when it is necessary to move the printer position, pushing the control board will drive the control rod to rotate, which will then drive the rotating rod to rotate out of the groove, causing the suction cup to detach from the tabletop and allow air to enter, thereby weakening the suction cup's fixation effect and facilitating position adjustment.

[0043] Specifically, the protective components include a rotating shaft 841, a first circular hole 842, a third elastic element 843, a push rod 844, a ball bearing 845, and a pressing plate 846. One end of the rotating shaft 841 is fixed to the control plate; there are four first circular holes 842, which are evenly arranged around the outer wall of the rotating shaft; the third elastic element 843 is a spring, one end of which is fixed inside the first circular hole; one end of the push rod 844 is fixed to the end of the third elastic element, and it can slide relative to the inner wall of the first circular hole; the ball bearing 845 rotates... It is attached to the end of the push rod; the pressing plate is rotatably connected to the rotating shaft, and the pressing plate has a second round hole that mates with the rotating shaft. The inner wall of the second round hole has a positioning groove that mates with the ball bearing. When the pressing plate is rotated to the horizontal position, the ball bearing is precisely engaged in the positioning groove. The end of the pressing plate coincides with the end of the control plate, and the pressing plate can pass through the sliding channel. When the pressing plate is rotated to the vertical position, the end of the pressing plate does not coincide with the end of the control plate, and the pressing plate cannot pass through the sliding channel, preventing accidental contact with the control plate from affecting the printer's fixation.

[0044] The above description is merely a selection of preferred embodiments of this disclosure and an explanation of the technical principles employed. Those skilled in the art should understand that the scope of the invention involved in the embodiments of this disclosure is not limited to technical solutions formed by specific combinations of the above-described technical features, but should also cover other technical solutions formed by arbitrary combinations of the above-described technical features or their equivalents without departing from the above-described inventive concept. For example, technical solutions formed by substituting the above-described features with (but not limited to) technical features with similar functions disclosed in the embodiments of this disclosure.

Claims

1. A ticket printer, characterized in that, include: Receipt printer mechanism; The lower housing has a placement groove. The upper housing is rotatably mounted on the lower housing. A locking mechanism is used to lock the upper housing; A limiting mechanism restricts the rotation of the upper housing; A fixing mechanism is in place to prevent the lower housing from sliding. The receipt printer mechanism includes: Printhead assembly for printing patterns on paper; The upper fixing plate is used to fix and install the printhead assembly; Rubber rollers; The lower fixing plate is used to install the rubber roller; A drive assembly for driving the rubber roller to rotate; Paper cutting assembly for cutting paper; The paper cutting assembly includes a mounting plate with mounting holes, a pressing post disposed in the mounting holes, a connecting plate disposed at the end of the pressing post, buffer elastic members symmetrically disposed on both sides of the connecting plate, an elastic pressure plate disposed at the end of the buffer elastic member, a cutting blade disposed on the connecting plate, a first reset member sleeved on the pressing post, and a reset member baffle disposed on the outer wall of the pressing post; the driving assembly includes a connecting shaft disposed at both ends of the rubber roller, a connecting sleeve disposed on the connecting shaft, a drive motor, and a gear set for connecting the connecting sleeve and the output shaft of the drive motor; The limiting mechanism includes two paper limiting plates disposed on the placement slots, a first pre-positioning slot disposed on the placement slots, a second pre-positioning slot disposed on the first pre-positioning slot, a third pre-positioning slot disposed on the second pre-positioning slot, a connecting post disposed on the paper limiting plate, a rack disposed on the connecting post, a fixing seat disposed on the lower housing, and a gear disposed on the fixing seat. The paper limiting plates are slidable relative to the placement slots, and the gear meshes with the rack. The locking mechanism includes a locking block disposed on the upper housing, a left-right movable locking block, and a reset mechanism. The component includes a locking cavity for inserting a locking block into the locking block, a limiting protrusion on the side wall of the locking cavity, a locking protrusion that mates with the limiting protrusion on the locking block, and a second inclined surface on the locking protrusion. The reset component includes a baffle on the lower housing, a push block on the locking block, and a first elastic member on the locking block. One end of the first elastic member is fixed to the baffle, and the other end is fixed to the locking block. The lower housing has a through groove for the push block to pass through. The reset component also includes a limiting post on the upper housing and a limiting plate on the limiting post. The locking block has a sliding groove that mates with the limiting post; the locking mechanism also includes a second elastic element on the upper housing; the fixing mechanism includes a support foot on the bottom of the lower housing, a suction cup on the support foot, and an auxiliary component; the auxiliary component includes a control rod on the support foot, a rotating rod on the control rod, a drive gear on the control rod, a control plate on the lower housing, a drive rack on the control plate, a second reset element on the control rod, and a protective component; the bottom of the suction cup has a mechanism for locking the rotating rod. The groove is provided with a first arc-shaped curved surface on the rotating rod and a second arc-shaped curved surface on the side wall of the groove. The lower housing is provided with a sliding channel that cooperates with the control plate. The protective component includes a rotating shaft on the control plate, a first circular hole evenly distributed on the rotating shaft, a third elastic element disposed in the first circular hole, a top rod disposed at the end of the third elastic element, a ball bearing disposed on the top rod, and a pressing plate rotatably connected to the rotating shaft. The pressing plate is provided with a second circular hole that cooperates with the rotating shaft, and a positioning groove that cooperates with the ball bearing is provided on the inner wall of the second circular hole.

Images