CN215284006U - Gap adjusting mechanism for printing head and printing roller of thermal printer - Google Patents
Gap adjusting mechanism for printing head and printing roller of thermal printer Download PDFInfo
- Publication number
- CN215284006U CN215284006U CN202121559645.0U CN202121559645U CN215284006U CN 215284006 U CN215284006 U CN 215284006U CN 202121559645 U CN202121559645 U CN 202121559645U CN 215284006 U CN215284006 U CN 215284006U
- Authority
- CN
- China
- Prior art keywords
- printing
- roller
- shaft sleeve
- eccentric shaft
- head
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Common Mechanisms (AREA)
Abstract
The utility model relates to a thermal printer beats printer head and print roll clearance adjustment mechanism, include: the printing device comprises a printing roller, an eccentric shaft sleeve, a printing head component, a side plate, a pressing handle and a bottom plate component; the printing head assembly and the pressing handle are both arranged on the bottom plate assembly; the printing head component can rotate for a certain angle, and the printing head is pressed on the printing roller under the action of the pressing handle; the printing roller is arranged between the bottom plate component and the side plate, and the eccentric shaft sleeve is arranged on the side plate. The utility model discloses a rotatory eccentric sleeve adjusts the clearance of beating between printer head and the print roller, adjusts to beat printer head about the clearance make when unanimous beat printer head and print roller the pressure on the whole heater wire when compressing tightly even. The utility model discloses effectively avoided because beat the condition that the printing that printer head and print roller pressure inhomogeneous result in appears not heavy and light in the printer work, promoted the printing effect, adjusted easy operation moreover, low cost.
Description
Technical Field
The utility model relates to a thermal printer beats printer head and print roll clearance adjustment mechanism.
Background
With the acceleration of the informatization construction step of China, the service levels of industries such as commerce/retail, finance, communication, transportation and the like are continuously improved, the demand of thermal label printing products is rapidly increased, and the requirements of various industries on the simplicity of operation and the printing effect of printers are higher and higher.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a simple structure, low cost, the thermal printer of high reliability beats printer head and print roller clearance adjustment mechanism.
For solving the above technical problem, the utility model discloses a technical scheme be: a thermal printer printhead and print roller gap adjustment mechanism comprising: the printing device comprises a printing roller, an eccentric shaft sleeve, a printing head component, a side plate, a pressing handle and a bottom plate component; the printing head assembly and the pressing handle are both arranged on the bottom plate assembly; the printing roller is arranged between the bottom plate component and the side plate, and the eccentric shaft sleeve is arranged on the side plate.
The printing roller comprises a printing roller shaft and a rubber roller, the upper end of the printing roller shaft is fixed on the side plate through an eccentric shaft sleeve and a clamping ring, and the lower end of the printing roller shaft is fixed on the bottom plate assembly.
The printing head assembly comprises a printing head, a spring and a rotating bracket, wherein the printing head is connected with the rotating bracket through the spring; the printing head assembly can rotate, and the printing head is pressed on the rubber roller of the printing roller under the action of the pressing handle.
The eccentric shaft sleeve comprises an inner hole, an outer circle and a cantilever structure, the inner hole of the eccentric shaft sleeve is matched with the printing roller shaft, and the outer circle of the eccentric shaft sleeve is matched with the holes in the side plates.
The lower end of the printing roller is connected with a gear, the printing roller is driven to rotate, and the gear is limited by a clamping ring.
In the utility model, the eccentric shaft sleeve inner hole and the excircle decentraction have a certain eccentricity A, the center of the inner hole can generate deviation when rotating a certain angle, and the offset A can be used for adjusting the distance between the printing head and the printing roller so as to adjust the pressure of the printing head and the printing roller to optimize the printing effect; the eccentric shaft sleeve is provided with a cantilever structure, a limiting structure is arranged below the cantilever structure, and the limiting structure can limit the rotation angle of the eccentric shaft sleeve. The tongs are arranged on two sides of the cantilever structure, so that the eccentric shaft sleeve can be conveniently rotated. Two clamping jaws are arranged on the excircle of the eccentric shaft sleeve and used for axial limiting of the shaft sleeve.
The utility model discloses in, print the roller bearing lower extreme and pass through axle sleeve or eccentric shaft sleeve to be fixed on the bottom plate subassembly.
The utility model discloses in, be equipped with mounting hole, spacing hole and the fluting that matches with eccentric sleeve on the curb plate. The limiting hole is matched with the limiting structure of the eccentric shaft sleeve to play a role in limiting the rotation of the eccentric shaft sleeve; the mounting hole is provided with two slots for mounting and abdicating the clamping jaw of the eccentric shaft sleeve.
The utility model discloses in, the device is through the axle sleeve design that has eccentric structure, and the clearance of beating printer head and print roll is beaten in the convenient adjustment, can guarantee that pressure between the two is even, avoids printing the in-process and beats printer head and paper pressure inhomogeneous, and the effect is printed in the influence.
The utility model has the advantages that: the utility model discloses effectively avoided printer work in beat printer head and the inhomogeneous condition of print roll pressure, promoted the printing effect, adjusted easy operation moreover, low cost.
Drawings
In order to illustrate the technical solution of the present invention more clearly, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive work, wherein:
fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic structural view of the eccentric sleeve according to the present invention;
fig. 3 is a schematic structural view of a side plate according to the present invention;
fig. 4 is a schematic view of the installation of the eccentric sleeve according to the present invention;
fig. 5 is a schematic structural view of a printhead assembly according to the present invention;
fig. 6 is a schematic structural view of the compressing handle of the present invention.
Detailed Description
The technical solution of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example (b):
as shown in fig. 1, the overall schematic diagram of the structure of the present invention is a gap adjusting mechanism for a thermal printer printing head and a printing roller, comprising: the printing device comprises a printing roller 1, an eccentric shaft sleeve 2, a printing head component 3, a side plate 4, a pressing handle 5 and a bottom plate component 6; the printing head assembly 3 and the pressing handle 5 are both arranged on the bottom plate assembly 6; the printing roller 1 is installed between the bottom plate assembly 6 and the side plate 4, and the eccentric shaft sleeve 2 is installed on the side plate 4.
As shown in the schematic structural diagram of the eccentric shaft sleeve 2 shown in fig. 2, the eccentric shaft sleeve 2 includes an inner hole 24, an outer circle 25 and a cantilever structure, the inner hole 24 and the outer circle 25 of the eccentric shaft sleeve are not concentric with each other to have a certain eccentric amount a, the center of the inner hole can generate an offset when rotated by a certain angle, and the offset can be used to adjust the distance between the printing head 31 and the printing roller 1 and further adjust the pressure of the printing head 31 and the printing roller 1 to optimize the printing effect; the eccentric shaft sleeve 2 is provided with a cantilever structure, a limiting structure 22 is arranged below the tail end of the cantilever, the limiting structure 22 can limit the rotating angle of the eccentric shaft sleeve, and the two sides of the upper part of the tail end of the cantilever are provided with grippers 23 to facilitate the rotation of the eccentric shaft sleeve; two claws 21 are arranged on the excircle 25 of the eccentric shaft sleeve to be used as the axial limit of the shaft sleeve.
As shown in fig. 3, the side plate 4 of the present invention has a schematic structural view, and the side plate 4 is provided with a mounting hole 42, a limiting hole 41 and a slot 43 matching with the eccentric sleeve 2. The limiting hole 41 is matched with the limiting structure 22 of the eccentric shaft sleeve 2 to play a role in limiting the rotation of the eccentric shaft sleeve 2; two slots 43 are arranged on the edge of the mounting hole 42 of the side plate 4 for mounting and giving way to the claws 21 of the eccentric bushing 2.
As shown in figure 4 is the installation sketch map of eccentric sleeve 2, be the utility model discloses a combination form of subassembly, print roller 1 comprises printing roller 12 and rubber roll 11, printing roller lower extreme passes through axle sleeve 7 to be fixed on bottom plate subassembly 6, and here also can be fixed with axle sleeve 7 replacement eccentric sleeve 2. The lower end of the printing roller shaft is a D-shaped shaft, a gear 8 is arranged on the printing roller shaft, the gear 8 can drive the printing roller 1 to rotate, and the gear 8 is limited by a clamping ring 9; the upper end of the printing roller shaft is fixed on the side plate 4 by an eccentric shaft sleeve 2 and a clamping ring 9. The inner hole 24 of the eccentric shaft sleeve is matched with the upper end of the printing roller shaft, the excircle 25 of the eccentric shaft sleeve is matched with the mounting hole 42 on the side plate, when the eccentric shaft sleeve 2 is mounted, two clamping claws 21 on the excircle just pass through two slots 43 on the mounting hole of the side plate 4, and then the eccentric shaft sleeve 2 is rotated until the limiting structure 22 on the cantilever is contacted with a limiting hole 41 on the side plate 4; the side plate 4 is provided with a plurality of limiting holes 41, and when the eccentric shaft sleeve 2 is positioned at different positions, the pressure between the pressing printing head 31 and the printing roller 1 is different.
The cantilever extending out of the eccentric sleeve 2 can be used for rotating the eccentric sleeve, and the distance between the printing head 31 and the printing roller 1 on one side of the eccentric sleeve can be adjusted during rotation so as to adjust the pressure between the printing head 31 and the printing roller rubber roller 11, so that the pressure on the whole heating wire is uniform when the printing head 31 and the printing roller 1 are compressed.
Fig. 5 is a schematic structural diagram of the printhead assembly 3 according to the present invention, and the printhead assembly 3 includes a printhead 31, a spring 32, and a rotary bracket 33. The print head 31 is pressed by two springs 32, one end of the spring 32 pressing against the print head 31 and the other end pressing against a rotary support 33. The sub-part rotating bracket 33 on the printing head component 3 is provided with a round hole 331, the round hole 331 is matched with the shaft 61 on the bottom plate component 6, so that the printing head component 3 can rotate for a certain angle around the shaft 61, and the printing head 31 can be pressed on the printing roller rubber roller 11 under the action of the pressing handle 5.
As shown in fig. 6 is the structure schematic diagram of the pressing handle 5, there are two bosses 51 on the pressing handle 5, the boss 51 can oppress the rotating bracket 33 to produce the displacement and make the printing head 31 and the printing roller rubber roller 11 contact when the pressing handle 5 is rotated, and the spring 32 generates the deformation to press the printing head 31 on the printing roller rubber roller.
The utility model discloses in, the device utilizes eccentric sleeve design adjustment to beat the distance between printer head and the print roller, can ensure to beat printer head and the distance between the print roller rubber roll be the same to ensure to print the rod and beat pressure between the printer head even, the printing effect is unanimous, avoids appearing the condition that the writing is not of uniform weight.
The utility model has the advantages that: effectively avoided because the printer work beat the condition that the printing that the inhomogeneous leads to of printer head and print roll pressure appears not the difference in weight, promoted the printing effect, adjusted easy operation moreover, low cost.
The above is only an embodiment of the present invention, and not therefore the limitation of the present invention, all the applications of the equivalent structure or equivalent flow transformation, or direct or indirect application in other related technical fields, are included in the patent protection scope of the present invention.
Claims (7)
1. A thermal printer head and print roller gap adjustment mechanism, comprising: the printing device comprises a printing roller (1), an eccentric shaft sleeve (2), a printing head assembly (3), a side plate (4), a pressing handle (5) and a bottom plate assembly (6); the printing head component (3) and the pressing handle (5) are both arranged on the bottom plate component;
the printing roller (1) consists of a printing roller shaft (12) and a rubber roller (11), the upper end of the printing roller shaft (12) is fixed on the side plate (4) through an eccentric shaft sleeve (2) and a clamping ring (9), and the lower end of the printing roller shaft (12) is fixed on the bottom plate component (6);
the printing head assembly (3) comprises a printing head (31), a spring (32) and a rotating bracket (33), and the printing head and the rotating bracket are connected through the spring; the printing head component can rotate, and the printing head is pressed on a rubber roller (11) of the printing roller under the action of the pressing handle;
eccentric shaft sleeve (2) include hole (24), excircle (25) and cantilever structure, eccentric shaft sleeve hole and printing roller axle cooperation, the hole cooperation on the excircle of eccentric shaft sleeve and the curb plate.
2. The thermal printer printhead and print roller gap adjustment mechanism of claim 1, wherein: print roller axle (12) lower extreme connection gear (8), drive print roller (1) and rotate, gear (8) are spacing by rand (9).
3. The thermal printer printhead and print roller gap adjustment mechanism of claim 1, wherein: the lower part of the cantilever structure is provided with a limiting structure (22) which can limit the rotation angle of the eccentric shaft sleeve.
4. The thermal printer printhead and print roller gap adjustment mechanism of claim 1, wherein: and grippers (23) are arranged on two sides of the cantilever structure.
5. The thermal printer printhead and print roller gap adjustment mechanism of claim 1, wherein: two clamping jaws (21) are arranged on the outer circle (25) of the eccentric shaft sleeve and used for axial limiting.
6. The thermal printer printhead and print roller gap adjustment mechanism of claim 1, wherein: the side plate (4) is provided with a mounting hole (42), a limiting hole (41) and a slot (43) which are matched with the eccentric shaft sleeve (2).
7. The thermal printer printhead and print roller gap adjustment mechanism of claim 1, wherein: the lower end of the printing roller shaft (12) is fixed on the bottom plate component (6) through a shaft sleeve (7) or an eccentric shaft sleeve (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121559645.0U CN215284006U (en) | 2021-07-09 | 2021-07-09 | Gap adjusting mechanism for printing head and printing roller of thermal printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121559645.0U CN215284006U (en) | 2021-07-09 | 2021-07-09 | Gap adjusting mechanism for printing head and printing roller of thermal printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215284006U true CN215284006U (en) | 2021-12-24 |
Family
ID=79521542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121559645.0U Active CN215284006U (en) | 2021-07-09 | 2021-07-09 | Gap adjusting mechanism for printing head and printing roller of thermal printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215284006U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115489214A (en) * | 2022-09-02 | 2022-12-20 | 深圳市君派伟业有限公司 | Thermal transfer printing head assembly, mounting structure thereof and printer with the same |
-
2021
- 2021-07-09 CN CN202121559645.0U patent/CN215284006U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115489214A (en) * | 2022-09-02 | 2022-12-20 | 深圳市君派伟业有限公司 | Thermal transfer printing head assembly, mounting structure thereof and printer with the same |
| CN115489214B (en) * | 2022-09-02 | 2024-03-26 | 深圳市君派伟业有限公司 | Thermal transfer printing head assembly, mounting structure thereof and printer with thermal transfer printing head assembly |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215284006U (en) | Gap adjusting mechanism for printing head and printing roller of thermal printer | |
| CN210617618U (en) | Coding machine for canned fruits | |
| US4514101A (en) | Paper thickness adjusting mechanism for impact printer | |
| CN205736437U (en) | Thermal printing head force of impression self adaptation installing mechanism | |
| CN213861462U (en) | Printing module and printer comprising same | |
| CN213973236U (en) | Thermal printer | |
| CN201544539U (en) | Printing rubber roller supporting device of scroll printer | |
| CN211684131U (en) | Asymmetrically arranged printing device and printer | |
| CN205873475U (en) | Pressing mode wrapping bag printing device | |
| CN203046471U (en) | Paper deviation correcting mechanism suitable for needle type deposit book printer | |
| CN214522898U (en) | Marking device and sizing material production equipment | |
| CN204712625U (en) | A kind of cylinder bronze printing unit | |
| CN206765587U (en) | Printhead angle-adjusting mechanism | |
| CN109501478A (en) | A kind of print head regulation device | |
| JP3584398B2 (en) | Feed mechanism for wide format flexible substrate | |
| CN112092509A (en) | Pressing structure of thermal printer and using method thereof | |
| EP2657020B1 (en) | Articulated doctor blade assembly for printing groups | |
| CN207170132U (en) | A kind of liquid discharge roller | |
| CN214449612U (en) | Paper pressing mechanism | |
| CN212242656U (en) | Fixing device for thermal printing head of thermal melting engineering printer | |
| CN215705226U (en) | High-frequency welded pipe online lettering device | |
| CN218287135U (en) | Quick-drying assembly and printing machine | |
| CN212472783U (en) | Auxiliary traction device and printing machine | |
| CN217197514U (en) | Rotatable paper feeding device and printer | |
| CN214726927U (en) | Efficient dioptric machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |