CN214522817U - Thermal printer with cantilever capable of being opened and closed - Google Patents

Abstract

The utility model discloses a cantilever thermal printer that opens and shuts, including the printer base, be equipped with drive assembly in the printer base, drive assembly is the gear, and a plurality of gear rotates the connection, and the printer base top is installed the paper spool, including a motor, an end cap plate, and a printing head cover plate, printing gluey axle support and collection axle subassembly, and collection axle subassembly includes the gear, goes up the paper spool outside, and the collection axle subassembly outside closes the cover plate and has printed and has formed dress paper route between the gluey axle support with beating the head, beats the head cover plate and prints gluey axle support and be cantilever structure, can open and be closed between them, the utility model discloses a cantilever open-close structure, whole printing passageway is open side opening mode, and label paper is as long as the side is put into the printing passageway can, and is very convenient.

Description

Thermal printer with cantilever capable of being opened and closed

Technical Field

The utility model relates to a printer equipment technical field especially relates to a cantilever thermal printer that opens and shuts.

Background

At present, when almost all regular vegetable markets and supermarkets sell weighed commodities, a self-adhesive label needs to be printed to print information such as commodity weight, types and prices, the existing labels are of two types including backing paper and non-backing paper, the backing paper needs to be recycled, and the existing label printers in the markets are not machines which are opened and closed by cantilevers, are difficult to paper loading, and need to insert the backing paper from a paper inlet and then fold the backing paper from a paper outlet, so that improvement is needed.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a cantilever thermal printer that opens and shuts has the advantages of dress paper convenience, easy operation.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a cantilever thermal printer that opens and shuts, includes the printer base, be equipped with drive assembly in the printer base, printer base top is installed paper axle, motor, is beaten printer head and closes the cover clamp plate, is printed gluey axle support and delivery shaft subassembly, beat printer head close the cover clamp plate with it forms cantilever open and shut structure to print gluey axle support, go up the paper axle outside, delivery shaft subassembly outside and beat printer head and close the cover clamp plate with it has formed the dress paper route to print between the gluey axle support.

The utility model discloses a cantilever opening and closing thermal printer, wherein the right side of a printing head cover closing pressing plate is fixedly connected with a limit screw of a thermal sensitive sheet fixing plate, the bottom inside the printing head cover closing pressing plate is fixedly connected with a printing head rotating shaft, the back of the thermal sensitive sheet fixing plate is provided with a thermal sensitive sheet, the inside of the printing head cover closing pressing plate is provided with the thermal sensitive sheet fixing plate, the front side of the thermal sensitive sheet fixing plate is provided with a printing pressure spring, the printing pressure spring is far away from one end of the thermal sensitive sheet fixing plate is connected with the inner wall of the printing head cover closing pressing plate, two sides of the thermal sensitive sheet fixing plate extend to the front side to form a partition plate, the left side of the front side of the thermal sensitive sheet fixing plate is provided with a first through hole, the printing head rotating shaft runs through the first through hole, the partition plate on the right side of the front side of the thermal sensitive sheet fixing plate is provided with a fixing plate limit hole, the limit screw of the thermal sensitive sheet fixing plate is movably inserted in the fixing limit hole, the top of the thermosensitive plate fixing plate is provided with an outer side limiting clamping groove, the structure is arranged, a single-turning-point seesaw pressure self-adaptive structure is adopted, and the pressure distribution of contact surfaces of a thermosensitive plate and a printing rubber shaft arranged on the thermosensitive plate fixing plate can be ensured to be uniform under the condition that a printing head rotating shaft and the printing rubber shaft are elastically deformed.

The utility model discloses a cantilever thermal printer that opens and shuts, wherein print gluey axle support back and seted up first draw-in groove, it has paper width limiting plate adjusting nut to print the activity grafting on the gluey axle support, paper width limiting plate adjusting nut bottom fixedly connected with lead screw tensioning spring, paper width limiting plate adjusting nut activity grafting has paper width limiting plate, the printer head that closes is stamped to paper width limiting plate one end joint, paper width limiting plate keeps away from to beat in the printer head closes the first draw-in groove on the gluey axle support, and this structure sets up for adjusting paper width, lead screw tensioning spring provide the rotatory frictional resistance of pressure increase, makes the no cluster of the position of adjusting of paper width limiting plate ability auto-lock.

The utility model discloses a cantilever thermal printer that opens and shuts, wherein it is provided with the hasp to print gluey axle support top, hasp plastic cap is installed at the hasp top, it is equipped with the spliced pole to print gluey axle support top, the spliced pole jam is in the spacing draw-in groove in the outside, it closes lid clamp plate top edge and is provided with the latch hook to beat printer head, the latch hook joint is in the hasp, the hasp bottom is installed and is printed gluey axle, it is provided with the base stock separating axle to print the gluey axle outside, the base stock separating axle is the half cylinder, and this structure setting ensures to beat printer head and closes lid clamp plate and print the structural rigidity between the gluey axle support, peels off label paper simultaneously.

The utility model discloses a cantilever thermal printer that opens and shuts, wherein the collection axle subassembly includes the collection transmission shaft, the collection transmission shaft is the cross form, the outside cover that the collection transmission shaft is close to the top is equipped with friction pressure spring, friction pressure spring is external to have the friction plastic part, be equipped with a plurality of friction gasket in the friction plastic part, the friction plastic part is equipped with the roll paper board outward, set up the second draw-in groove on the roll paper board, this structure sets up for the tensioning retrieves the base stock, because collection transmission shaft and roll paper board are to rely on the frictional force to come driven, do not have enough frictional force to drive the roll paper board because skidding between the friction disc after the base stock tensioning.

The utility model discloses a cantilever thermal printer that opens and shuts, wherein drive assembly includes the gear, gear quantity has a plurality of, a plurality of connect through rotating between the gear, the first gear of motor drive, print gluey axle bottom and install the second gear, the third gear is installed to collection transmission shaft bottom, first gear second gear and third gear pass through gear revolve and connect, and this structure sets up, for the device provides power, guarantees that the base stock can be in the state of tightening up constantly, because collection transmission shaft and stock form board are driven by frictional force, so can not block dead motor and lead to printing gluey axle stall.

The utility model has the advantages that:

1. the utility model discloses a temperature sensing piece fixed plate openly is provided with prints compression spring, it keeps away from temperature sensing piece fixed plate one end and connects in beating printer head and close and cover the clamp plate inner wall to print compression spring, cooperate the positive left baffle cover of temperature sensing piece fixed plate to locate simultaneously and beat the printer head pivot outside, this structure sets up, make the temperature sensing piece fixed plate can use and beat the printer head pivot and carry out the free reversal of certain angle as the rotation axis, thereby make the temperature sensing piece that sets up on the temperature sensing piece fixed plate laminate mutually and the contact surface of printing the gluey axle and laminate on-line pressure distribution evenly.

2. The utility model discloses a drive assembly is connected for gear revolve, prints gluey axle bottom and installs the second gear, and the third gear is installed to collection transmission shaft bottom, rotates under motor drive for the base stock can be in the state of tightening up constantly, because collection transmission shaft and stock form board are driven by the frictional force, so can not block dead motor and lead to printing gluey axle stall, improved structure moving continuity.

3. The utility model discloses a printing the gluey axle outside and being provided with the base stock separation axle, the base stock separation axle is for milling flat steel axle, and this structure sets up, and the label paper that peels off that can be fine realizes label and base stock separation.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a perspective view of the cover pressing plate of the printing head of the present invention;

FIG. 3 is a schematic structural view of a fixing plate for heat-sensitive sheets according to the present invention;

fig. 4 is a schematic structural diagram of the present invention;

FIG. 5 is a perspective view of the delivery shaft assembly of the present invention;

FIG. 6 is a schematic structural view of the delivery shaft assembly of the present invention;

fig. 7 is a schematic structural view of the lock of the present invention.

The reference numerals in the figures are explained below:

1. a printer base;

2. a transmission assembly; 21. a first gear; 22. a second gear; 23. a third gear;

3. a motor;

4. the printing head covers the pressing plate; 41. a limit screw of a heat-sensitive sheet fixing plate; 42. a printhead shaft; 43. a heat-sensitive sheet fixing plate; 431. a printing pressure spring; 432. a first through hole; 433. a fixed plate limiting hole;

5. printing a rubber shaft bracket; 51. a first card slot; 52. adjusting nuts of the paper width limiting plate; 521. the screw rod tensions the spring; 53. a paper width limiting plate; 54. locking; 55. a locking plastic cap; 56. connecting columns; 57. printing a rubber shaft; 58. a base paper separating shaft;

6. a delivery shaft assembly; 61. a delivery transmission shaft; 62. a friction pressure spring; 63. rubbing the plastic part; 64. a rubbing pad; 65. and (4) rolling the paper board.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the connection/connection relations referred to in the patent do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection auxiliary components according to specific implementation conditions. The utility model discloses each technical feature in the creation can the interactive combination under the prerequisite that does not contradict conflict each other.

The utility model provides a cantilever thermal printer that opens and shuts, refer to fig. 1 to 7, including printer base 1, be equipped with drive assembly 2 in the printer base 1, the last paper axle is installed at printer base 1 top, motor 3, beat printer head and close and cover clamp plate 4, print gluey axle support 5 and delivery shaft subassembly 6, beat printer head and close and cover clamp plate 4 and print gluey axle support 5 and form cantilever opening and shutting structure, go up the paper outside, delivery shaft subassembly 6 outside and beat printer head and close and cover clamp plate 4 and print gluey axle support 5 between form dress paper route.

A thermal sensitive sheet fixing plate limiting screw 41 is fixedly connected to the right side of the printing head cover closing pressing plate 4, a printing head rotating shaft 42 is fixedly connected to the bottom inside the printing head cover closing pressing plate 4, a thermal sensitive sheet fixing plate 43 is arranged inside the printing head cover closing pressing plate 4, a printing pressure spring 431 is arranged on the front side of the thermal sensitive sheet fixing plate 43, one end of the printing pressure spring 431, which is far away from the thermal sensitive sheet fixing plate 43, is connected to the inner wall of the printing head cover closing pressing plate 4, partition plates extend towards the front side from two sides of the thermal sensitive sheet fixing plate 43, a first through hole 432 is formed in the partition plate on the left side of the front side of the thermal sensitive sheet fixing plate 43, the printing head rotating shaft 42 penetrates through the first through hole 432, a fixing plate limiting hole 433 is formed in the partition plate on the right side of the front side of the thermal sensitive sheet fixing plate 43, the thermal sensitive sheet fixing plate limiting screw 41 is movably inserted into the fixing limiting hole, an outer limiting clamping groove is formed in the top of the thermal sensitive sheet fixing plate 43, and the structure adopts a single-turn-point seesaw pressure self-adapting structure, the pressure distribution of the contact surfaces of the thermal sensitive sheets arranged on the thermal sensitive sheet fixing plate 43 and the printing rubber shaft 57 can be ensured to be uniform under the condition that the printing head rotating shaft 42 and the printing rubber shaft 57 deform under the elastic force.

The back of the printing rubber shaft support 5 is provided with a first clamping groove 51, a paper width limiting plate adjusting nut 52 is movably inserted into the printing rubber shaft support 5, the bottom of the paper width limiting plate adjusting nut 52 is fixedly connected with a screw rod tensioning spring 521, a paper width limiting plate 53 is movably inserted into the paper width limiting plate adjusting nut 52, one end of the paper width limiting plate 53 is clamped with the printing head closing cover pressing plate 4, the paper width limiting plate 53 is far away from one end of the printing head closing cover pressing plate 4 and is clamped into the first clamping groove 51 in the printing rubber shaft support 5, the structure is used for adjusting the paper width, the screw rod tensioning spring 521 provides pressure to increase the rotating friction resistance, and the paper width limiting plate 53 can be self-locked at the adjusted position without moving.

Print gluey axle support 5 top and be provided with hasp 54, hasp plastic cap 55 is installed at hasp 54 top, it is equipped with spliced pole 56 to print gluey axle support 5 top, spliced pole 56 joint stopper is in the spacing draw-in groove in the outside, it closes 4 top edges of cover plate to print head and is provided with the latch hook, the latch hook joint is in hasp 54, it prints gluey axle 57 to install bottom hasp 54, it is provided with base stock separating axle 58 to print gluey axle 57 outside, base stock separating axle 58 is the half cylinder, the structure sets up, ensure to print head and close the structural rigidity between cover plate 4 and the printing gluey axle support 5, peel off the label paper simultaneously.

The collection axle subassembly 6 includes collection transmission shaft 61, collection transmission shaft 61 is the cross form, the outside cover that collection transmission shaft 61 is close to the top is equipped with friction pressure spring 62, friction pressure spring 62 is external to have friction plastic part 63, be equipped with a plurality of friction gasket 64 in the friction plastic part 63, friction plastic part 63 is equipped with stock form board 65 outward, the second draw-in groove has been seted up on the stock form board 65, the structure sets up, bottom paper is retrieved in the tensioning, because collection transmission shaft 61 and stock form board 65 lean on the frictional force to come the transmission, no longer have enough frictional force to drive stock form board 65 because skid after the bottom paper tensioning between the friction disc.

Drive assembly 2 includes the gear, gear quantity has a plurality of, connect through rotating between a plurality of gear, the first gear 21 of motor 3 drive, print gluey axle 57 bottom and install second gear 22, third gear 23 is installed to collection transmission 61 bottom, first gear 21, second gear 22 and third gear 23 pass through gear revolve and connect, this structure sets up, for the device provides power, guarantee that the base stock can be in the state of tightening up constantly, because collection transmission 61 and stock form board 65 come the driven by the frictional force, so can not block dead motor 3 and lead to printing gluey axle 57 stall.

In use of this example, the latch 54 is moved in the direction of the arrow to clear the print path, mount the label paper in the paper path, and close the print head cover platen 4 and print spool support 5. When the printing head is closed, the printing pressure spring 431 applies a pressure to the thermal sensitive sheet fixing plate 43, the pressure can enable the thermal sensitive sheet fixing plate 43 to be tightly attached to the printing rubber shaft 57, when the printing pressure spring 431 applies a pressure to the thermal sensitive sheet fixing plate 43, a reaction force can be applied to the printing head closing pressing plate 4, so that fine elastic deformation of the structure occurs, because the partition plate on the left side of the front surface of the thermal sensitive sheet fixing plate 43 is sleeved on the outer side of the printing head rotating shaft 42, self-adaptation in a seesaw mode can be realized, the thermal sensitive sheet fixing plate 43 and the printing rubber shaft 57 are completely attached, the force on the attaching surface is uniform, after the cover closing is completed, the paper width limiting plate adjusting nut 52 is adjusted, the paper width limiting plate 53 is driven to be just clamped on the side edge of the label paper, the printer starts to print, the motor 3 drives the transmission assembly 2, the gear simultaneously transmits to the printing rubber shaft 57 and the paper collecting transmission shaft 61, and sends the label paper to the thermal sensitive sheet fixing plate 43 for printing, meanwhile, the delivery transmission shaft 61 rotates to deliver paper at a higher rotating speed than the printing glue shaft 57, after the backing paper is tensioned, the delivery shaft friction plastic part 63 and the delivery transmission shaft 61 start friction slipping, when the label paper head moves to the backing paper separation shaft 58, when the acute angle backing paper on the shaft edge is folded, the label is separated from the backing paper until the printing is finished, the label stops at the paper outlet after the printing is finished, and the printing is finished at this time.

While the preferred embodiments of the present invention have been described, the present invention is not limited to the above embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention as defined by the appended claims.

Claims (7)

1. The utility model provides a thermal printer that cantilever opens and shuts, includes printer base (1), its characterized in that: the paper feeding mechanism is characterized in that a transmission assembly (2) is arranged in the printer base (1), a paper feeding shaft, a motor (3), a printing head cover closing pressing plate (4), a printing glue shaft support (5) and a paper collecting shaft assembly (6) are mounted at the top of the printer base (1), the printing head cover closing pressing plate (4) and the printing glue shaft support (5) form a cantilever opening and closing structure, and a paper feeding path is formed between the outer side of the paper feeding shaft, the outer side of the paper collecting shaft assembly (6) and the printing head cover closing pressing plate (4) and the printing glue shaft support (5).

2. The cantilever-type thermal printer according to claim 1, wherein: the printing head closing pressing plate is characterized in that a limiting screw (41) of a thermal sensitive sheet fixing plate is fixedly connected to the right side of the printing head closing pressing plate (4), a printing head rotating shaft (42) is fixedly connected to the bottom of the interior of the printing head closing pressing plate (4), a thermal sensitive sheet fixing plate (43) is arranged in the interior of the printing head closing pressing plate (4), a thermal sensitive sheet is arranged on the back of the thermal sensitive sheet fixing plate (43), a printing pressure spring (431) is arranged on the front face of the thermal sensitive sheet fixing plate (43), and one end of the printing pressure spring (431) is far away from the thermal sensitive sheet fixing plate (43) and is connected to the inner wall of the printing head closing pressing plate (4).

3. The cantilever-type thermal printer according to claim 2, wherein: the printing head is characterized in that the two sides of the heat-sensitive sheet fixing plate (43) extend to the front side to form partition plates, a first through hole (432) is formed in the partition plate on the left side of the front side of the heat-sensitive sheet fixing plate (43), the printing head rotating shaft (42) penetrates through the first through hole (432), a fixing plate limiting hole (433) is formed in the partition plate on the right side of the front side of the heat-sensitive sheet fixing plate (43), a heat-sensitive sheet fixing plate limiting screw (41) is movably inserted into the fixing limiting hole, and an outer side limiting clamping groove is formed in the top of the heat-sensitive sheet fixing plate (43).

4. The cantilever-type thermal printer according to claim 1, wherein: first draw-in groove (51) have been seted up at printing rubber shaft support (5) back, it has paper width limiting plate adjusting nut (52) to peg graft in the activity on printing rubber shaft support (5), paper width limiting plate adjusting nut (52) bottom fixedly connected with lead screw tensioning spring (521), paper width limiting plate adjusting nut (52) activity is pegged graft and is had paper width limiting plate (53), print head closing cover plate (4) are beaten to paper width limiting plate (53) one end joint, print head closing cover plate (4) one end joint is kept away from in paper width limiting plate (53) first draw-in groove (51) on printing rubber shaft support (5).

5. The cantilever-type thermal printer according to claim 1, wherein: print gluey axle support (5) top and be provided with hasp (54), hasp plastic cap (55) is installed at hasp (54) top, it is equipped with spliced pole (56) to print gluey axle support (5) top, spliced pole (56) joint stopper is in the spacing draw-in groove in the outside, it closes lid clamp plate (4) top edge and is provided with the latch hook to beat printer head, the latch hook joint is in hasp (54), hasp (54) bottom is installed and is printed gluey axle (57), it is provided with bottom paper separating shaft (58) to print gluey axle (57) outside, bottom paper separating shaft (58) are the semicolumn shape.

6. The cantilever-type thermal printer according to claim 5, wherein: the paper collecting shaft assembly (6) comprises a paper collecting transmission shaft (61), the paper collecting transmission shaft (61) is in a cross shape, the outer side cover of the paper collecting transmission shaft (61) close to the top is provided with a friction pressure spring (62), the friction pressure spring (62) is externally connected with a friction plastic part (63), a plurality of friction gaskets (64) are arranged in the friction plastic part (63), a paper rolling plate (65) is arranged outside the friction plastic part (63), and a second clamping groove is formed in the paper rolling plate (65).

7. The cantilever-type thermal printer according to claim 6, wherein: drive assembly (2) includes the gear, gear quantity has a plurality of, a plurality of connect through rotating between the gear, motor (3) drive first gear (21), print gluey axle (57) bottom and install second gear (22), third gear (23) are installed to delivery transmission shaft (61) bottom, first gear (21) second gear (22) and third gear (23) are connected through gear rotation.

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