CN113183642B

CN113183642B - Transport mechanism for receiving printing medium

Info

Publication number: CN113183642B
Application number: CN202110469077.3A
Authority: CN
Inventors: 田德萍; 吴晓民
Original assignee: Shenzhen Kingpek Co ltd
Current assignee: Shenzhen Kingpek Co ltd
Priority date: 2021-04-28
Filing date: 2021-04-28
Publication date: 2023-02-28
Anticipated expiration: 2041-04-28
Also published as: CN113183642A

Abstract

A transport mechanism for receiving a print medium is provided which is provided separately from a printer housing and is mounted on the printer housing in a quick-release configuration. Including placing the support of print media, the support is the modular structure, by set up outside printer housing and be located print media conveying initial position distolateral two brackets that are used for bearing print media and set up in the casing and be used for setting up the unsettled stable link of setting up outside the casing of bracket and constitute, through quick assembly disassembly structural connection between bracket and the link. It can realize that the bracket need not readjust the position of bracket alone according to consumptive material width adjustment position along with sliding block set spare, is provided with the supporting roller of supporting plate on the curb plate of bracket, also is equipped with the reel consumptive material support position that supports barrel-shaped label paper, adaptable multiple consumptive material type. The RFID chip reading and detecting function of the conventional printer can be realized. The size of the printer can be effectively reduced by adopting the separately arranged bracket.

Description

Transport mechanism for receiving printing medium

Technical Field

The invention relates to the field of printer equipment, in particular to a conveying mechanism for bearing printing media.

Background

Among the prior art, the external feed bin of printer does not have any actual connection with the printer body usually, only as the independent module that a special material loading machine form exists, and its consumptive material width is adjusted the structure and is also independent of the printer, and it has following not enough:

1) The position relation of external feed bin and printer need carry out professional adjustment just can normal use.

2) When the width adjusting structure needs to adjust the width of the consumable materials, the width of the printer and the width of the feeding machine need to be adjusted respectively.

Disclosure of Invention

The invention aims to provide a conveying mechanism which is arranged separately from a printer shell and can be mounted on the printer shell in a quick-dismounting structure and used for bearing a printing medium.

In order to solve the technical problem, the following technical scheme is adopted:

the conveying mechanism for receiving the printing medium comprises a support for placing the printing medium, and is characterized in that the support is of a component type structure, the support is composed of two brackets which are arranged outside a printer shell and are positioned on the side of the printing medium conveying starting end and used for supporting the printing medium, and a connecting frame which is arranged in the printer shell and used for enabling the brackets to be hung in the air and stably arranged outside the printer shell, and the brackets are connected with the connecting frame through a quick dismounting structure.

Preferably, the bracket comprises a side plate and a base, and the upper part of the side plate is provided with a U-shaped groove for supporting the end of the reel of the rolled printing medium.

Preferably, a rolling pulley is provided on a groove peripheral wall in the U-shaped groove.

Preferably, at least two groups of plate supporting wheels are fixed on the inner side of the base and are respectively arranged at the front and rear positions of the base.

Preferably, the link includes fixed plate of fixed connection in the printer casing and fixes the slide rail on the fixed plate upper side wall, be provided with on the slide rail and carry two the carriage is along the slide rail slider assembly of moving towards each other or back-to-back.

Preferably, the quick assembly disassembly structure includes that the inboard front portion of base just is located be provided with the removal subassembly and slider assembly under the board supporting wheel, the last butt joint switching piece that is equipped with towards the printer outside of slider assembly, be equipped with the joint slotted hole on the butt joint switching piece.

Preferably, the moving assembly is provided with a locking wrench, the locking wrench is connected with a locking fixture block through a locking rotating shaft, a locking spring is sleeved in the middle of the locking wrench, and the locking fixture block is fixedly connected to the rear end of the locking rotating shaft through a buckling pin.

Preferably, the upper part of the moving assembly is provided with a buckle and a stop block which are higher than the butt joint transfer block, an unlocking button is arranged below the stop block, a notch is formed in the lower part of the unlocking button, and the unlocking button is pressed to the notch for unlocking.

Preferably, a notch is formed below the joint slotted hole, a buckle and a stop block which are higher than the butt joint transfer block are arranged on the upper portion of the moving assembly, an unlocking button is arranged below the stop block, and the unlocking button is pressed to the notch to unlock.

Preferably, the side plate is provided with an RFID coil and an indicator light which can detect the parameter content carried by the radio frequency tag, the circuit board on the fixed end circuit butt joint is fixedly connected with the side plate, the contacts of the circuit board are correspondingly connected with the contacts of the electric joint seat one by one, and the circuit board of the electric joint seat is fixed on the butt joint transfer block (231) of the sliding block assembly.

Adopt foretell transport mechanism for accepting print medium, can realize that the bracket need not readjust the position of bracket alone according to consumptive material width adjustment position along with sliding block set spare, be provided with the supporting roller who supports panel on the curb plate of bracket, also be equipped with the reel consumptive material support position that supports reel form label paper, adaptable multiple consumptive material type. The electrical connection can realize the reading and detecting functions of the RFID chip of the conventional printer, and can be added with the mechanical connection of functions such as a state indicating lamp, a decorative lamp and the like. The detachable mode design can reduce the original size of the printer, facilitate transportation and facilitate the replacement and maintenance of machine modularization.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic view of a transfer structure before docking;

FIG. 2 is an exploded view of a transfer structure;

FIG. 3 is a schematic view of the butt-joint and locking of the transfer structure;

FIG. 4 is an enlarged view of the butt joint and locking of FIG. 3;

FIG. 5 is a schematic view of a rotary locking wrench of the transfer structure;

FIG. 6 is an enlarged view of the rotation locking wrench;

FIG. 7 is a diagram showing a state where the transfer structure is completely docked;

fig. 8 is a circuit interface diagram.

FIG. 9 is a schematic view of another embodiment of the docking head of FIG. 2 inserted into a docking adapter block;

FIGS. 10 and 11 are cross-sectional views of the docking head and docking adapter of FIG. 9;

FIG. 12 is a schematic view of the docking head of FIG. 9 shown prior to insertion into the docking adapter block;

FIG. 13 is a schematic view of another embodiment of the docking head of FIG. 9 illustrating the insertion of a docking adapter block;

FIGS. 14 and 15 are cross-sectional views of the docking head and docking adapter block of FIG. 13;

fig. 16 is a schematic view of the docking head of fig. 13 prior to insertion into the docking adapter block.

The reference numbers are as follows:

the device comprises a bracket 1, a connecting frame 2, a fixed end circuit connector 3, an electric connector seat 4, a side plate 11, a base 12, a plate supporting wheel 13, a moving assembly 14, a fixed plate 21, a sliding rail 22, a sliding block assembly 23, a circuit board 31, a contact 32, a contact 42, a circuit board 41, a U-shaped groove 111, a rolling pulley 112, a hand hole 113, an RFID coil 114, a fixed seat 141, a moving seat 142, a locking spanner 143, a locking spring 144, a locking rotating shaft 145, a locking clamping block 146 and a buckling pin 147, a stop 148, a notch 149, an unlocking button 150, a buckle 151, a deformation area 152, a butt joint adapter block 231, a joint slotted hole 232 and a spacer 233.

Detailed Description

As shown in fig. 1 to 16, the conveying mechanism for receiving a printing medium according to the present invention is mainly improved with respect to a supporting structure for the printing medium and a conveying passage for the printing medium, and a support for supporting the printing medium is a modular structure, and mainly includes a bracket 1 and a connecting frame 2. Compared with the prior art, the biggest advantage of its production is that set up bracket 1 outside the printer and can quick assembly disassembly structural connection on the printer, so, the volume of compression printer greatly and the weight that reduces the printer, simultaneously, also can effectively improve the production assembly efficiency of printer.

Bracket 1

1. Side plate 11 and base 12

As shown in fig. 1, 2, 3, 5, and 7, the bracket 1 is disposed outside the printer housing and located at a side of a printing medium conveying start end for supporting a printing medium, the bracket 1 is a pair of a left bracket and a right bracket disposed in parallel, the two brackets 1 have the same structure and can be divided into a side plate 11 and a base 12, the side plate 11 and the base 12 can be an integral structure or a separate structure, and when the bracket is a separate structure, the side plate 11 and the base 12 can be assembled together by a quick-assembly and disassembly male and female buckle connection structure (for convenience of description of other technical features added later, the bracket of the integral structure is divided into a bracket composed of a side plate and a base, the base is a bottom structure of the bracket, and the side plate is a bracket portion on the base).

The side plate 11 is preferably trapezoidal in shape, a U-shaped groove 111 (the groove may be a groove with a closed structure on the outer side of the side plate, or a groove penetrating through the side plate) is provided in an upper region of the inner side of the side plate 11 (the side opposite to the other bracket is inner, and the side opposite to the other bracket is outer, and the same applies below), and the grooves 111 on the two brackets 1 are used for supporting the end of a reel of a rolled printing medium, thereby playing a role in receiving the rolled printing medium. In order to reduce the resistance of the roll printing medium to forward conveyance during printing, a rolling pulley 112 may be provided on the circumferential wall of the slot in the recessed groove.

Each side plate 11 is provided at a lower position thereof with a hand hole 113 for an operator to easily remove or mount the carriage from the printer, and the hand hole may be a blind hole or a through hole penetrating the side plate. The hand hole can also reduce the material cost of the side plate.

The inboard of curb plate 11 base 12 is fixed with and is no less than two sets of panel supporting wheel 13, and panel supporting wheel 13 can be used for the bearing to put the board-like consumptive material (also called board-like printing medium, including cardboard, metal sheet, plastic board etc.) on it, when being two sets of panel supporting wheel 13, sets up respectively in the front and back of base (the one side of being close to the printer is the back, and the one side of keeping away from the printer is preceding, the same down) both sides. In order to enable the printer to automatically recognize media parameters including material, type, length, thickness, width and specification of the printing medium on the mounting bracket (these parameters are set in the radio frequency tag attached to the printing medium reel), the present invention preferably arranges an RFID coil 114 capable of detecting the parameter content carried by the radio frequency tag on the side plate 11.

For the purpose of detecting the attached state and the medium attached state of the carriage 1, a color-changing indicator lamp or a plurality of indicator lamps indicating the attached state and the electrically connected state of the carriage 1 are provided at the tip of the side plate 11.

2. Movable assembly in quick assembly disassembly structure

The quick assembly disassembly structure is used for quickly installing the bracket 1 on the connecting frame 2 or quickly disassembling the bracket 1 from the connecting frame 2. As shown in fig. 1 to 7 and 9 to 16, the movable assembly 14 is disposed at a position inside the base 12 and behind the sheet supporting wheel 13 (the side close to the printer is the rear portion, and the side away from the printer is the front portion).

The preferred movable assembly 14 of the present invention is as follows:

1) As shown in fig. 1-7, it includes a fixed seat 141, a movable seat 142, a locking wrench 143, a locking spring 144, a locking rotation shaft 145, a locking latch 146, and a latch 147.

The fixed seat 141, which may be an integral structure with the base 12 or a separate structure, is fixedly connected to the base 12, and has a passage hole extending through the fixed seat from front to back, the movable seat 142 is fixedly connected to the passage hole, and the front portion of the movable seat 142 extends rearward out of the fixed seat 141.

The movable seat 142 is made of a high-strength material, and is provided with a rotating shaft hole penetrating through the front and the rear of the movable seat and being a step hole, the large end of the rotating shaft hole is located on the fixed seat 141 side, the small end of the rotating shaft hole is located on the movable seat 142 side, and the locking rotating shaft 145 is inserted into the rotating shaft hole.

The locking wrench 143 disposed at the front end of the moving seat 142 is fixedly connected with the front end of the locking rotating shaft 145 and disposed outside the front end surface of the fixed seat 141, the locking spring 144 is sleeved on the locking rotating shaft 145 and disposed in the rotating shaft hole, and the rear end of the locking spring 144 abuts against a step in the rotating shaft hole. The locking spring 144 may prevent the locking hinge 145 from freely rotating without being manually pushed.

The locking latch 146 is fixedly connected to the rear end of the locking rotation shaft 145 through a fastening pin 147, the locking latch 146 is rectangular or oval, and the locking wrench 143 is rotated to enable the locking latch 146 to synchronously rotate in the same direction.

2) As shown in fig. 9-12, the moving assembly 14 is integrally formed and includes a stop 148, a notch 149, an unlock button 150, a catch 151, and a deformation region 152.

A stop 148, which is higher than the tab slot 232 in the docking adapter block on the carriage assembly 23 of the attachment bracket, is positioned directly above the unlock button 150 and, when locked, catches the carriage assembly 23 and prevents the carriage assembly 14 from continuing to move rearward.

A notch 149, disposed directly below the movable assembly 14, mates with the unlock button 150.

An unlock button 150 is disposed below the stop 148, and when in the locked position, below the stop 148, depression of the unlock button 150 depresses a notch 149 in the movable assembly 14 into the unlocked position.

And a catch 151 provided at the rear end of the release button 150 and higher than the tab slot 232 of the slider assembly 23 to be pressed simultaneously with the pressing of the release button 150.

A deformation region 152, which is provided at the rear end of the catch 151, may be bent and deformed, and may be pressed simultaneously with the pressing of the unlock button 150.

3) As shown in fig. 13-16, the moving assembly 14 is integrally formed and includes a stop 148, an unlock button 150, and a deformation region 152.

A stop 148, higher than the tab slot 232 in the docking block 231 of the link's slider assembly 23, is positioned just above the unlock button 150 and, when in the locked position, catches the slider assembly 23 and prevents the moving assembly 14 from continuing to move rearward.

And an unlock button 150 disposed below the stop 148, wherein when the unlock button 150 is below the stop 148 in the locked state, pressing the unlock button 150 downward depresses the slot 149 of the slider assembly 23 into the unlocked state.

And a catch 151 provided at the rear end of the release button 150, higher than the tab slot 232 of the slider assembly 23, and pressed simultaneously with the pressing of the release button 150.

A deformation region 152, which is provided at the rear end of the catch 151, is bendable and deformable, and can be pressed simultaneously with the pressing of the unlock button 150.

2) And 3) difference: the notches 149 are provided at different positions, the former notch 149 being provided directly below the moving assembly 14 and the latter notch being provided directly below the joint slot hole 232 of the slider assembly 23.

3. Circuit connector

As shown in fig. 2, 6, 7 and 8, a fixed end circuit connector 3 is disposed on an outer side of the movable base 142, and can be electrically connected to a printer, so that a main control circuit of the printer can read related parameter information of a printing medium through an RFID chip. The circuit board 31 of the fixed end circuit connector 3 is installed on the side plate 11 beside the moving seat 142, the contacts 32 are correspondingly butted with the contacts 42 of the electric connector seat 4 arranged on the side of the sliding block assembly 23 on the connecting frame 2, and the circuit board 41 of the electric connector seat 4 is fixed on the butting switching block 231 of the sliding block assembly 23. When the bracket 1 is mounted on the connecting frame 2, the contacts 32 on the fixed end circuit connector 3 are electrically connected with the corresponding contacts 42 on the electrical connector holder 4.

Second, connecting frame 2

It is arranged in the printer shell and is used for suspending and stably arranging the bracket 1 outside the printer shell.

The invention preferably has the following structure:

1. fixing plate 21

The fixing plate 21 is a long strip, the cross section of the fixing plate 21 is in an L shape, one side wall plate of the fixing plate 21 is fixedly connected in a medium conveying channel (in a channel below the printing head before printing) in the printer housing in a mode of being perpendicular to the conveying direction of the printing medium, and the other side wall plate is vertically upward.

2. Slide rail 22

The cross section of the slide rail 22 is rectangular, circular or oval, and it is a long bar member fixed on one of the side wall plates of the fixing plate 21 (of course, the slide rail can be fixed in the printer housing without the fixing plate in the present invention), and the fixing plate 21 is fixed in the printer housing for easy assembly and disassembly.

3. Slider assembly 23 (i.e. the fixed assembly in the quick-release structure)

The slider component 23 is two sets of left side slip components and right side slip components that correspond with left bracket and right bracket respectively, and left side slip components and right side slip components can carry left bracket and right bracket respectively and follow slide rail 22 is along or move along mutually in opposite directions mutually.

When the device is used, the distance between the left bracket and the right bracket can be adjusted according to the width of a printing medium.

As shown in fig. 1-7, the slider assembly 23 includes a left slider, a right slider, a butt joint block 231, a joint slot 232, and a spacer 233.

Left side slider and right slider structure are the same, all install on slide rail 22, and two sliders can move along the slide rail in opposite directions or back of the body mutually.

And the butt-joint transfer block 231 is arranged at the position, facing the outside of the printer, of the corresponding left sliding block or right sliding block, and a joint slot hole 232 is formed in the butt-joint transfer block 231.

The connector slot 232 is engaged with the moving seat 142 of the moving assembly 14.

The

spacers

233 and 233 are made of wear-resistant material and are disposed in the joint slots 232, (of course, the invention can also insert the moving seat 142 of the moving assembly 14 into the joint slots 232 without the spacers 233), and the disposition of the spacers 233 can improve the installation firmness and wear resistance of the moving seat 142.

3. Introduction to the connection Process

The support for supporting the printing medium is of a component type structure, and mainly comprises a bracket 1 which is arranged outside a printer shell and is positioned at the side of a printing medium transmission starting end and used for supporting the printing medium, and a connecting frame 2 which is arranged inside the printer and used for suspending and stably arranging the bracket 1 outside the printer shell, wherein the bracket 1 and the connecting frame 2 are connected through a quick dismounting structure, and the butt joint mode is as follows:

1) As shown in fig. 1-7, after the moving seat 142 of the moving assembly 14 is inserted into the joint slot 232 of the docking adaptor 231, the locking wrench 143 is rotated to lock the locking block 146 in the joint slot 232, so as to complete the docking of the bracket 1 and the connecting frame 2, and at the same time, the fixed-end circuit connector 3 of the bracket 1 is electrically connected to the electrical connector seat 4 of the connecting frame 2. When the bracket 1 needs to be detached, the bracket 1 can be detached only by rotating the locking wrench 143 to the unlocking position.

2) As shown in fig. 9-12, the moving component 14 is integrally formed and includes a slot 149, a catch 151, an unlock button 150, and a deformation region 152, wherein after the moving component 14 is slotted into the joint slot 232, the catch 151 is compressed and contracted, and when the catch 151 is pushed through the joint slot 232, the catch is sprung open to lock the joint block 231. When unlocking is required, the unlocking button 150 is pressed, and the unlocking button 150 is pressed to the notch 149 below the moving assembly 14, so that the buckle 151 and the deformation area 152 are pressed out at the same time to finish unlocking. The bracket 1 can be removed.

3) As shown in fig. 13-16, a slot 149 is formed right below the joint slot 231 of the butt joint block 131, the catch 151 is higher than the butt joint slot 232, and after the moving assembly 14 is inserted into the joint slot 232, the catch 151 is compressed and contracted, and when the catch 151 is pushed through the joint slot 232, the catch 151 is sprung to catch the butt joint block 231 for locking. When unlocking is required, the unlocking button 150 is pressed down to the notch 149 below the joint slot 232, and meanwhile, the buckle 151 and the deformation area 152 are also pressed down to withdraw, so that unlocking is completed. The bracket 1 can be removed.

Claims

1. A conveying mechanism for bearing printing media comprises a support for placing the printing media, and is characterized in that the support is of a component type structure and consists of two brackets (1) which are arranged outside a printer shell and are positioned at the side of a printing media conveying starting end and used for bearing the printing media and a connecting frame (2) which is arranged in the printer shell and used for suspending and stably arranging the brackets (1) outside the printer shell, wherein the brackets (1) are connected with the connecting frame (2) through a quick assembly and disassembly structure;

the connecting frame (2) comprises a sliding rail (22) fixed in the printer shell, and a sliding block assembly (23) is arranged on the sliding rail (22);

bracket (1) divide into curb plate (11) and base (12), quick assembly disassembly structure is including setting up base (12) inboard anterior removal subassembly (14) with slider component (23), be equipped with on slider component (23) towards the outside butt joint switching piece (231) of printer, be equipped with on the butt joint switching piece (231) and connect slotted hole (232), it inserts to remove the subassembly connect slotted hole (232).

2. A transport mechanism for receiving printing media according to claim 1, characterised in that the side plates (11) are provided with U-shaped recesses (111) in the upper part for supporting the ends of the rolls of rolled printing medium.

3. A transport mechanism for receiving print media according to claim 2 wherein a roller pulley (112) is provided on the peripheral wall of the slot in the U-shaped recess (111).

4. A transport mechanism for receiving print media according to claim 3 wherein at least two sets of sheet support wheels (13) are fixed to the inside of the base (12) and are respectively disposed in front and rear positions of the base (12).

5. A transport mechanism for receiving print media according to claim 4 wherein the frame (2) further comprises a mounting plate (21) fixedly attached within the printer housing, the track (22) being fixed to a side wall of the mounting plate (21).

6. The conveying mechanism for receiving printing media according to claim 5, wherein the moving assembly (14) is provided with a locking wrench (143), the locking wrench (143) is connected with a locking block (146) through a locking rotating shaft (145), a locking spring (144) is sleeved on the locking rotating shaft, and the locking block (146) is fixedly connected to the rear end of the locking rotating shaft (145) through a buckling pin (147).

7. A transport mechanism for receiving print media according to claim 5, wherein the moving assembly (14) is provided with a catch (151) and a stop (148) at the top above the docking block (231), an unlocking button (150) is provided below the stop (148), and an opening (149) is provided below the unlocking button (150), and the unlocking is performed by pressing the unlocking button (150) to the opening (149).

8. The transport mechanism for receiving print media as in claim 5, wherein a slot (149) is formed below the joint slot (232), a catch (151) and a stop (148) are provided above the docking adapter block (231) on the moving assembly (14), and an unlocking button (150) is provided below the stop (148), and the unlocking is performed by pressing the unlocking button (150) to the slot (149).

9. The transport mechanism for receiving printing media according to any one of claims 1 to 8, wherein the side plate is provided with an RFID coil (114) and an indicator light capable of detecting the content of parameters carried by the RF tag, a circuit board (31) on the fixed end circuit butt joint (3) is fixedly connected with the side plate (11), contacts (32) of the circuit board (31) are correspondingly connected with contacts (42) of the electrical joint seat (4), and a circuit board (41) of the electrical joint seat (4) is fixed on the butt joint adapter block (231) of the slider assembly (23).