CN218287179U

CN218287179U - Novel printing head assembly

Info

Publication number: CN218287179U
Application number: CN202222420567.7U
Authority: CN
Inventors: 杨雄; 秦克洪
Original assignee: Shenzhen Pushi Technology Co ltd
Current assignee: Shenzhen Pushi Technology Co ltd
Priority date: 2022-09-13
Filing date: 2022-09-13
Publication date: 2023-01-13
Anticipated expiration: 2032-09-13

Abstract

The utility model discloses a novel printing head assembly, including the main support, the main counter roll, the cantilever plate, a supporting plate, beat printer head, support frame and fixing base, the both sides at the main support are connected to the support frame, the main support axle runs through the support frame and stretches out to the support frame outside, the fixing base sets up in the backup pad top, beat the printer head setting in the backup pad below, the one end of cantilever plate is cup jointed on the main counter roll, the shaft hole has been seted up to the other end of cantilever plate, the inside in shaft hole is provided with the location pivot, the inside sliding connection of location pivot has a lock axle subassembly, the inside of fixing base is inserted to the one end of lock axle subassembly, the internal fixation hole has been seted up on the cantilever plate, through this setting, can make when beating printer head and compressing tightly on the rubber roll, can be according to beat the contact condition between printer head and rubber roll, automatically, contact pressure with it adjusts to the optimum to therebetween, avoid appearing the condition production of pressure too big or undersize.

Description

Novel printing head assembly

Technical Field

The utility model relates to a beat printer head technical field, specifically be a novel printer head subassembly.

Background

When the thermal transfer printer works, the ink ribbon and the label paper pass through the printing head and the rubber roller in an up-down overlapping mode under the driving of the ink ribbon winding wheel and the rubber roller, and then the printing head heats the ink ribbon and prints the toner on the ink ribbon on the label paper. The components in the printing head mechanism of the thermal transfer printer in the prior art are of rigid structures, namely after a new machine is assembled, when the printing head is pressed on the rubber roller, the contact pressure between the printing head and the rubber roller is a fixed value and cannot be adjusted.

In the prior art, when the deviation of the installation precision between the printing head mechanism and the rubber roller is large, the contact positioning between the printing head and the rubber roller is inaccurate, so that the pressure is too large or too small. The printing quality is affected by the slow moving speed of the ribbon and the label paper caused by overlarge size; too small will affect the print unclear; when the printing head is maintained, the whole printing head mechanism needs to be disassembled to take down the printing head which needs to be replaced or maintained, and the operation steps are complex, time-consuming and labor-consuming.

SUMMERY OF THE UTILITY MODEL

The utility model provides a to prior art not enough, the utility model provides a novel print head subassembly has solved the problem of proposing among the above-mentioned background art.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a novel printing head subassembly, includes main support, main counter roll, cantilever plate, backup pad, beats printer head, support frame and fixing base, the support frame is connected the both sides of main support, the main counter roll runs through the support frame stretches out to the support frame outside, the fixing base sets up the backup pad top, it is in to beat the printer head setting the backup pad below, the one end of cantilever plate is cup jointed on the main counter roll, the shaft hole has been seted up to the other end of cantilever plate, the inside in shaft hole is provided with the location pivot, the inside sliding connection of location pivot has the lock axle subassembly, the one end of lock axle subassembly inserts the inside of fixing base, the internal fixation hole has been seted up on the cantilever plate, the inside joint of internal fixation hole has set screw.

Preferably, the shaft hole is communicated with the internal fixing hole, the fixing screw is abutted against the positioning rotating shaft, and the position of the positioning rotating shaft can be fixed by the fixing screw.

Preferably, the backup pad both ends are provided with the positioning pawl, the positioning pawl is used for the joint on gluing the roller axle to accurate location.

Preferably, the lock shaft assembly comprises a lock head, a lock rod, a spiral pressure spring and a lock pin, the lock head is fixedly connected with one end of the lock rod, the spiral pressure spring is sleeved on the outer side of the lock rod, and the lock pin is arranged in an axial hole at the other end of the lock rod and is perpendicular to the lock rod.

Preferably, the fixing seat is provided with a pin hole, the lock shaft assembly is movably connected with the pin hole, and the locking pin is inserted into the pin hole and rotates to be perpendicular to the pin hole so as to fix the fixing seat.

Preferably, the top fixed mounting of main support inner wall has spring assembly, spring assembly comprises "concave" shape and fix solid spring frame on the main support bottom surface, set up clamp plate, fore-set, compression spring and adjusting bolt in solid spring frame, and adjusting bolt passes the hole that sets up on the main support and connects soon in screw on the clamp plate at compression spring top, compression spring's lower extreme is located to the fore-set, and the upper end cup joints on compression spring and arranges in solid spring frame in, the lower tip of fore-set passes the hole that sets up in solid spring frame bottom and touches and presses in the backup pad, utilizes spring assembly can adjust the pressure of backup pad. The pressure plate can be moved by rotating the adjusting bolt, the stroke of the compression spring is changed, and the contact pressure of the printing head and printing consumables is changed

The utility model provides a novel print head subassembly possesses following beneficial effect:

1. this novel print head subassembly, through transversely install main fulcrum shaft on the support frame, can wind this main fulcrum shaft pivoted cantilever board, install the backup pad at this cantilever board front end and fix the printer head on the backup pad bottom surface, when making to beat printer head and compress tightly on the rubber roll, can beat the contact condition between printer head and the rubber roll according to spring assembly adjustment, the automatic contact pressure who will be therebetween adjusts to the optimum, avoids appearing the condition production of pressure too big or undersize.

2. This novel print head subassembly, through using detachable structure, can need not to unpack whole printer head mechanism apart when using, it is more convenient to the maintenance of printer head.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a top view of the present invention;

FIG. 3 is a schematic cross-sectional view of the present invention;

FIG. 4 is a schematic view of the cantilever plate according to the present invention;

FIG. 5 is a schematic view of the expansion structure of the fixing base and the cantilever plate of the present invention;

FIG. 6 is a schematic structural view of the fixing base of the present invention;

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

fig. 8 is an enlarged view of a portion a of fig. 1 according to the present invention;

fig. 9 is a schematic structural view of the spring assembly of the present invention.

In the figure: 1. a main support; 2. a positioning claw; 3. a main fulcrum; 4. a cantilever plate; 42. positioning the rotating shaft; 43. a shaft hole; 44. a lock shaft assembly; 441. a lock head; 442. a lock lever; 443. a helical compression spring; 444. a lock pin; 45. an inner fixing hole; 46. a set screw; 47. a fixed seat; 471. a pin hole; 5. a support plate; 7. a print head; 8. a spring assembly; 81. a spring fixing frame; 82. pressing a plate; 83. a top pillar; 84. a compression spring; 85. adjusting the bolt; 9. a support frame.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 to 9, the present invention provides a technical solution: the utility model provides a novel beat printer head subassembly, including main support 1, main counter roll 3, cantilever plate 4, backup pad 5, beat printer head 7, support frame 9 and fixing base 47, support frame 9 is connected in the both sides of main support 1, main support shaft 3 runs through support frame 9 and stretches out to the outside of support frame 9, fixing base 47 sets up the top at backup pad 5, beat printer head 7 and set up the below at backup pad 5, cantilever plate 4's one end is cup jointed on main counter roll 3, shaft hole 43 has been seted up to cantilever plate 4's the other end, the inside of shaft hole 43 is provided with location pivot 42, the inside sliding connection of location pivot 42 has lock axle subassembly 44, the inside of fixing base 47 is inserted to the one end of lock axle subassembly 44, two internal fixation holes 45 have been seted up on the cantilever plate 4, the inside joint of two internal fixation holes 45 has set

screw

46, 43 shaft hole communicates with internal fixation hole 45, and set screw 46 and location pivot 42 butt, can utilize set screw 46 to fix the position of location pivot 42, be provided with positioning claw 2 at backup pad 5 both ends, positioning claw 2 is used for the joint epaxially at the joint, so that accurate location.

The top of the inner wall of the main support 1 is fixedly provided with a spring assembly 8, the spring assembly 8 is composed of a concave spring fixing frame 81 fixed on the bottom surface of the main support 1, a pressing plate 82 arranged in the spring fixing frame 81, a top column 83, a compression spring 84 and an adjusting bolt 85, the adjusting bolt 85 penetrates through a hole arranged on the main support 1 and is screwed in a screw hole on the pressing plate 82 at the top of the compression spring 84, the top column 83 is arranged at the lower end of the compression spring 84, the upper end of the top column 83 is sleeved on the compression spring 84 and is arranged in the spring fixing frame 81, the lower end of the top column 83 penetrates through a hole arranged at the bottom of the spring fixing frame 81 and is pressed on the supporting plate 5, and the contact pressure between the printing head 7 and the rubber roller can be adjusted by utilizing the spring assembly 8. Can move the clamp plate through rotating adjusting bolt, change compression spring's stroke plays and changes the contact pressure who beats printer head and printing consumables.

Lock shaft assembly 44 includes lock head 441, lock rod 442, spiral pressure spring 443 and lock pin 444, lock head 441 is fixedly connected with one end of lock rod 442, spiral pressure spring 443 is sleeved outside lock rod 442, lock pin 444 is disposed in the shaft hole at the other end of lock rod 442, and lock pin 444 is perpendicular to lock rod 442.

The fixing seat 47 is provided with a pin hole 471, the pin hole 471 is a straight hole, one side of the pin hole 471 is provided with a straight groove perpendicular to the pin hole 471, after the lock shaft assembly 44 is inserted into the pin hole 471, the lock head 441 is manually pressed and rotated to enable the lock pin 444 to be clamped in the groove on one side of the pin hole 471, so that the lock pin 444 and the pin hole 471 are in a vertical direction, and the cantilever plate 4 and the fixing seat 47 can be fixed together.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a novel printing head subassembly, includes main support (1), main tributary axle (3), cantilever board (4), backup pad (5), beats printer head (7), support frame (9) and fixing base (47), its characterized in that: support frame (9) are connected the both sides of main support (1), main fulcrum shaft (3) run through support frame (9) and stretch out to support frame (9) outside, fixing base (47) set up backup pad (5) top, it sets up to beat printer head (7) backup pad (5) below, the one end of cantilever plate (4) is cup jointed on main fulcrum shaft (3), shaft hole (43) have been seted up to the other end of cantilever plate (4), the inside of shaft hole (43) is provided with location pivot (42), the inside sliding connection of location pivot (42) has lock axle subassembly (44), the one end of lock axle subassembly (44) is inserted the inside of fixing base (47), interior fixed orifices (45) have been seted up on cantilever plate (4), the inside joint of interior fixed orifices (45) has set screw (46).

2. The novel printhead assembly of claim 1, wherein: the shaft hole (43) is communicated with the inner fixing hole (45), and the fixing screw (46) is abutted to the positioning rotating shaft (42).

3. The novel printhead assembly of claim 1, wherein: backup pad (5) both ends are provided with positioning pawl (2), positioning pawl (2) are used for the joint on gluing the roller axle.

4. The novel printhead assembly of claim 1, wherein: the top fixed mounting of main support (1) inner wall has spring assembly (8), spring assembly (8) comprise "concave" shape and fix solid spring frame (81) on main support (1) bottom surface, set up in clamp plate (82) in solid spring frame (81), fore-set (83), compression spring (84) and adjusting bolt (85), adjusting bolt (85) pass set up hole on main support (1) and connect soon in the screw on clamp plate (82) at compression spring (84) top, the lower extreme of compression spring (84) is located in fore-set (83), and the upper end cup joint of fore-set (83) is on compression spring (84) and arrange in solid spring frame (81), the lower extreme of fore-set (83) passes the hole that sets up in solid spring frame (81) bottom and touches and presses in backup pad (5).

5. The novel printhead assembly of claim 1, wherein: the locking shaft assembly (44) comprises a locking head (441), a locking rod (442), a spiral pressure spring (443) and a locking pin (444), the locking head (441) is fixedly connected with one end of the locking rod (442), the spiral pressure spring (443) is sleeved on the outer side of the locking rod (442), and the locking pin (444) is arranged in a shaft hole at the other end of the locking rod (442) and is perpendicular to the locking rod (442).

6. The novel printhead assembly of claim 5, wherein: a pin hole (471) is formed in the fixing seat (47), and the lock shaft assembly (44) is movably connected with the pin hole (471).