Printing head splicing mechanism and printer

By using cross-shaped mounting slots and limiting structures, combined with adjustment components, the complexity and adaptability of the printhead splicing mechanism are solved, enabling wide-format printing and flexible printhead adjustment to meet different printing needs.

CN223918980UActive Publication Date: 2026-02-17YUNNAN ELECTRIC POWER TESTING & RES INST (GRP) CO LTD +1
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Patent Information

Application Number
CN202520615752.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-02
Publication Date
2026-02-17
Estimated Expiration
2035-04-02

AI Technical Summary

Technical Problem

Existing printhead splicing mechanisms are complex in structure, cannot be easily adjusted, have low adaptability, affect printing quality, and cannot meet the splicing needs of printheads of different sizes.

Method used

The structure employs cross-shaped mounting slots and limiting parts, combined with left-right and up-down adjustment components, to facilitate the splicing and adjustment of thermal sheet components, making it suitable for wide-range printing needs of different sizes.

Benefits of technology

It features wide-format printing, high adaptability, and the ability to splice thermal sheet assemblies of different sizes to meet users' actual needs, thereby improving printing quality and installation efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a printing head splicing mechanism and a printer, the printing head splicing mechanism comprises a base, the base is provided with a first diagonal limiting mechanism and a second diagonal mounting mechanism, the first diagonal limiting mechanism comprises two limiting parts which are arranged in a diagonal manner, and the second diagonal mounting mechanism comprises a second diagonal mounting part which is arranged in a diagonal manner. The second diagonal mounting mechanism comprises two mounting grooves which are diagonally arranged, and the mounting grooves and the limiting parts are of a crossed structure; the projection surfaces of every two adjacent mounting grooves in the vertical direction are partially overlapped, a thermosensitive sheet assembly is mounted on each mounting groove, and a left-right adjusting assembly and an up-down adjusting assembly are arranged on each mounting groove. The two thermosensitive sheet assemblies can be spliced and used in cooperation with the same rubber roller, the wide-width printing function is achieved, the wide-width printing requirements of different sizes can be met, and adaptability is high.
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Description

TECHNICAL FIELD

[0001] The utility model relates to printer technical field especially, it is a kind of print head splicing mechanism and printer. BACKGROUND

[0002] With the continuous development of thermal printing industry, the application field of thermal printing is continuously expanded, and applications such as banner printing, engineering drawing printing, color photo poster printing, etc. appear. When the printing width is large, a single thermal print head cannot meet the printing requirements, and two thermal print heads need to be spliced into a wide print head for printing.

[0003] The current print head splicing mechanism includes a first fixed substrate and a second fixed substrate, and the first fixed substrate and the second fixed substrate have the same shape structure. A first print head is installed on the first fixed substrate, and a second print head is installed on the second fixed substrate. One end of the first fixed substrate and the second fixed substrate is connected with a clamping groove, and the other end of the first fixed substrate and the second fixed substrate is provided with a clamping block. The first fixed substrate and the second fixed substrate can be conveniently connected and fixed through the clamping groove and the clamping block. Although the clamping method of the clamping groove and the clamping block can realize the splicing and use of two print heads, the structure is relatively complex, the distance between the two print heads is large, which affects the printing effect, and the print heads installed on the fixed substrate cannot be conveniently adjusted, and the splicing and adjustment of print heads of different sizes cannot be adapted, and the adaptability is low. UTILITY MODEL CONTENT

[0004] The utility model solves the technical problem to provide a kind of print head splicing mechanism and printer, two thermal sheet assemblies can be spliced and cooperate with the same rubber roller, wide printing function is realized, and it can be applicable to different sizes of wide frequency printing demand, and the adaptability is high.

[0005] In order to solve the above technical problems, the utility model provides a kind of print head splicing mechanism, including base, the first diagonal limiting mechanism and the second diagonal installation mechanism are equipped on the base, the first diagonal limiting mechanism includes two limiting parts arranged diagonally, the second diagonal installation mechanism includes two installation grooves arranged diagonally, the installation groove and the limiting part are cross arrangement structure;The projection plane of adjacent two installation grooves in vertical direction is partially coincident, the installation groove is installed with thermal sheet assembly, the installation groove is equipped with left-right adjusting assembly and up-down adjusting assembly, the left-right adjusting assembly is used for adjusting the left-right position of the thermal sheet assembly in the installation groove, and the up-down adjusting assembly is used for adjusting the up-down position of the thermal sheet assembly in the installation groove.

[0006] As an improvement of the above scheme, the left-right adjusting assembly comprises at least one first driving component and at least one first reverse resetting component, the first driving component and the first reverse driving component are respectively arranged on the left and right sides of the mounting groove; the first driving component is used to push the thermosensitive sheet assembly to move left or right, and the first reverse resetting component is used to push the thermosensitive sheet assembly to move in the opposite direction by the elastic resetting force.

[0007] As an improvement of the above scheme, the first driving component is a first adjusting bolt, the first adjusting bolt is arranged on the left side wall or the right side wall of the base, one end of the first adjusting bolt passes through the left side wall or the right side wall and is in movable abutment with the thermosensitive sheet assembly in the mounting groove; the first reverse resetting component is a first adjusting spring piece, the first adjusting spring piece is arranged on the side wall of the limiting part in the same horizontal direction as the mounting groove, and the first adjusting spring piece is in movable abutment with the thermosensitive sheet assembly.

[0008] As an improvement of the above scheme, the up-down adjusting assembly comprises at least one second driving component and at least one second reverse resetting component, the second driving component and the second reverse driving component are respectively arranged on the upper and lower sides of the mounting groove; the second driving component is used to push the thermosensitive sheet assembly to move upward or downward, and the second reverse resetting component is used to push the thermosensitive sheet assembly to move in the opposite direction by the elastic resetting force.

[0009] As an improvement of the above scheme, the second driving component is a second adjusting bolt, the second adjusting bolt is arranged on the upper side wall or the lower side wall of the base, one end of the first adjusting bolt passes through the upper side wall or the lower side wall and is in movable abutment with the thermosensitive sheet assembly in the mounting groove; the second reverse resetting component is a second adjusting spring piece, the second adjusting spring piece is arranged on the side wall of the limiting part in the same vertical direction as the mounting groove, and the second adjusting spring piece is in movable abutment with the thermosensitive sheet assembly.

[0010] As an improvement of the above scheme, the mounting groove is further provided with a fixed mounting mechanism for fixing the thermosensitive sheet assembly, the fixed mounting mechanism comprises a plurality of fixing bolts, the fixing bolts are arranged on the bottom side wall of the base at intervals, and one end of the fixing bolt passes through the bottom side wall and is in locking connection with the thermosensitive sheet assembly in the mounting groove.

[0011] As an improvement of the above scheme, the thermosensitive sheet assembly and the heat dissipation part in the same vertical direction together enclose a V-shaped mounting area, and the V-shaped mounting area is used to place the rubber roller.

[0012] As an improvement of the above scheme, the thermosensitive sheet assembly comprises a heat dissipation plate and a thermosensitive sheet, and the thermosensitive sheet is arranged on the heat dissipation plate.

[0013] As an improvement of the above scheme, the thermal sensitive sheet assembly and the limiting part in the same horizontal direction are both covered with a thermal sensitive sheet baffle.

[0014] The utility model also provides a printer, including printer body and the printing head splicing mechanism of above, printing head splicing mechanism sets up in printer body.

[0015] The utility model has the advantages of:

[0016] The utility model discloses a printing head splicing mechanism, which comprises a base, a limiting part and two mounting grooves arranged in a cross structure, wherein the two mounting grooves are partially overlapped in the projection surface in the vertical direction, so that the two thermal sensitive sheet assemblies mounted in the mounting grooves are partially overlapped in the projection surface in the vertical direction, thereby splicing the thermal sensitive sheet heating area between the two thermal sensitive sheet assemblies and cooperating with the same rubber roller for use, realizing the wide-width printing function and meeting the actual needs of users. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is the structure schematic diagram of the printing head splicing mechanism of the utility model;

[0018] Figure 2 is the structure schematic diagram of the base of the utility model Figure 1 ;

[0019] Figure 3 is the structure schematic diagram of the base of the utility model Figure 2 ;

[0020] Figure 4 is the structure schematic diagram of the limiting part and the thermal sensitive sheet assembly of the utility model;

[0021] Figure 5 is the structure schematic diagram of the thermal sensitive sheet assembly of the utility model;

[0022] Figure 6 is the structure schematic diagram of the thermal sensitive sheet and rubber roller of the utility model;

[0023] Figure 7 is the structure schematic diagram of the thermal sensitive sheet assembly of the utility model. DETAILED DESCRIPTION

[0024] For the purpose, technical scheme and advantages of the utility model, the utility model will be described in further detail below in combination with the drawings. Only this declaration, the up, down, left, right, front, back, inside, outside and other orientation words appearing in the text or about to appear of the utility model, only take the drawings of the utility model as the benchmark, it is not the specific limitation of the utility model.

[0025] As Figures 1-2 Indicated, the utility model specific embodiment provides a kind of print head splicing mechanism, including pedestal 1, the first diagonal limiting mechanism 2 and second diagonal mounting mechanism 3 are equipped on the pedestal 1, the first diagonal limiting mechanism 2 includes two limiting portions 21 arranged diagonally, the second diagonal mounting mechanism 3 includes two installation grooves 31 arranged diagonally, the installation groove 31 with the limiting portion 21 is arranged in cross structure;Two adjacent installation grooves 31 in vertical direction on projection face portion coincide, the installation groove 31 is installed with thermosensitive sheet assembly 4, so that two thermosensitive sheet assemblies 4 installed in installation groove 31 in vertical direction on projection face portion coincide, so that the thermosensitive sheet heating area between two thermosensitive sheet assemblies 4 can be spliced and cooperate with rubber roller 9, realize wide printing function, satisfy the actual demand of user.

[0026] The installation groove 31 is equipped with left-right adjusting assembly 5 and up-down adjusting assembly 6, the left-right adjusting assembly 5 is used to adjust the left-right position of the thermosensitive sheet assembly 4 in the installation groove 31, and the up-down adjusting assembly 6 is used to adjust the up-down position of the thermosensitive sheet assembly 4 in the installation groove 31. The left-right adjusting assembly 5 and up-down adjusting assembly 6 arranged can splice and adjust different size thermosensitive sheet assembly 4, to be applicable to different size wide frequency printing demand, high adaptability.

[0027] Specifically, as Figure 1 , Figure 2 And Figure 4As shown, the left and right adjusting assembly 5 comprises at least one first driving component 51 and at least one first reverse reset component 52, the first driving component 51 and the first reverse driving component are respectively arranged on the left and right sides of the mounting groove 31; the first driving component 51 is used to push the thermosensitive sheet assembly 4 to move left or right, and the first reverse reset component 52 is used to push the thermosensitive sheet assembly 4 to move in the opposite direction by the elastic reset force. The first driving component 51 can drive the thermosensitive sheet assembly 4 to move to the direction of the first reverse reset component 52 and can overcome the elastic force of the first reverse reset component 52 to move, so that the two thermosensitive sheet assemblies 4 approach each other, and the adjacent heating end points 421 of the two thermosensitive sheets 42 are spliced together on the projection plane in the vertical direction, thereby splicing the heating areas of the two thermosensitive sheets and being pressed and used with the same rubber roller 9, realizing the wide printing function. The first reverse reset component 52 arranged can play a buffering role for the thermosensitive sheet assembly 4, avoiding the collision between the thermosensitive sheet assembly 4 and the limiting part 21, and on the other hand, can push the thermosensitive sheet 42 to move in the opposite direction to realize position adjustment and can adjust the dismounting and mounting efficiency of the thermosensitive sheet assembly 4. When the abutting force of the first driving component 51 and the elastic reset force of the first reverse reset component 52 act on the thermosensitive sheet assembly 4 together, the relative fixing effect in the horizontal direction can be realized for the thermosensitive sheet assembly 4.

[0028] The first driving component 51 is a first adjusting bolt, one end of the first adjusting bolt is arranged on the left side wall or the right side wall of the base 1 and is in movable abutment with the thermosensitive sheet assembly 4 in the mounting groove 31, and the first reverse reset component 52 is a first adjusting spring part, which is arranged on the side wall of the limiting part 21 in the same horizontal direction as the mounting groove 31 and is in movable abutment with the thermosensitive sheet assembly 4. When the user adjusts the first adjusting bolt, the thermosensitive sheet assembly 4 in the mounting groove 31 can be in movable abutment to push the thermosensitive sheet assembly 4 to overcome the elastic force of the first adjusting spring part and move to the required position, at which the thermosensitive sheet assembly 4 is relatively fixed, and the thermosensitive sheet heating areas of the two thermosensitive sheet assemblies 4 are spliced together to realize the wide printing function.

[0029] Further, as shown in FIG. 5, the left and right adjusting assembly 5 comprises at least one first driving component 51 and at least one first reverse reset component 52, the first driving component 51 and the first reverse driving component are respectively arranged on the left and right sides of the mounting groove 31; the first driving component 51 is used to push the thermosensitive sheet assembly 4 to move left or right, and the first reverse reset component 52 is used to push the thermosensitive sheet assembly 4 to move in the opposite direction by the elastic reset force. The first driving component 51 can drive the thermosensitive sheet assembly 4 to move to the direction of the first reverse reset component 52 and can overcome the elastic force of the first reverse reset component 52 to move, so that the two thermosensitive sheet assemblies 4 approach each other, and the adjacent heating end points 421 of the two thermosensitive sheets 42 are spliced together on the projection plane in the vertical direction, thereby splicing the heating areas of the two thermosensitive sheets and being pressed and used with the same rubber roller 9, realizing the wide printing function. The first reverse reset component 52 arranged can play a buffering role for the thermosensitive sheet assembly 4, avoiding the collision between the thermosensitive sheet assembly 4 and the limiting part 21, and on the other hand, can push the thermosensitive sheet 42 to move in the opposite direction to realize position adjustment and can adjust the dismounting and mounting efficiency of the thermosensitive sheet assembly 4. When the abutting force of the first driving component 51 and the elastic reset force of the first reverse reset component 52 act on the thermosensitive sheet assembly 4 together, the relative fixing effect in the horizontal direction can be realized for the thermosensitive sheet assembly 4. Figures 1-2As shown, the up-down adjusting assembly 6 comprises at least one second driving component 61 and at least one second reverse reset component 62, which are respectively arranged on the upper and lower sides of the mounting groove 31; the second driving component 61 is used to push the thermosensitive sheet assembly 4 to move upward or downward, and the second reverse reset component 62 is used to push the thermosensitive sheet assembly 4 to move in the opposite direction by the elastic reset force. The second driving component 61 can drive the thermosensitive sheet assembly 4 to move in the direction of the second reverse reset component 62 and can overcome the elastic force of the second reverse reset component 62 to move, so as to adjust the up-down position of the two thermosensitive sheet assemblies 4 and make the two thermosensitive sheet assemblies 4 better spliced for use. The second reverse reset component 62 is arranged, which can play a buffering role on the thermosensitive sheet assembly 4, avoid the collision between the thermosensitive sheet assembly 4 and the limiting portion 21, and push the thermosensitive sheet 42 to move in the opposite direction to realize position adjustment and improve the dismounting and mounting efficiency of the thermosensitive sheet assembly 4. When the abutting force of the second driving component 61 and the elastic reset force of the second reverse reset component 62 act on the thermosensitive sheet assembly 4, the relative fixing effect in the vertical direction can be realized on the thermosensitive sheet assembly 4.

[0030] The second driving component 61 is a second adjusting screw, which is arranged on the upper side wall or the lower side wall of the base 1, and one end of the second adjusting screw is movably abutted with the thermosensitive sheet assembly 4 in the mounting groove 31. The second reverse reset component 62 is a second adjusting spring member, which is arranged on the side wall of the limiting portion 21 in the same vertical direction of the mounting groove 31 and movably abutted with the thermosensitive sheet assembly 4. When the user adjusts the second adjusting screw, the thermosensitive sheet assembly 4 in the mounting groove 31 can be movably abutted to push the thermosensitive sheet assembly 4 to overcome the elastic force of the second adjusting spring member and move to the required position, and the thermosensitive sheet assembly 4 is relatively fixed.

[0031] In order to improve the use firmness of the thermosensitive sheet assembly 4, a fixing and mounting mechanism 7 for fixing the thermosensitive sheet assembly 4 is arranged on the mounting groove 31, as shown in the drawings. Figures 2-3 The fixing and mounting mechanism 7 comprises a plurality of fixing screws 71, which are arranged on the bottom side wall of the base 1 at intervals, and one end of the fixing screw 71 is fixedly connected with the locking hole of the thermosensitive sheet assembly 4 in the mounting groove 31 in a threaded locking manner, so as to stably fix the thermosensitive sheet assembly 4 on the mounting groove 31 and improve the use firmness of the thermosensitive sheet assembly 4.

[0032] As shown in the drawings, Figures 4-7As shown, the heat-sensitive sheet assembly 4 comprises a heat dissipation plate 41 and a heat-sensitive sheet 42 arranged on the heat dissipation plate 41. The heat-sensitive sheet assembly 4 and the heat dissipation part in the same vertical direction jointly form a V-shaped mounting area 8 for placing a rubber roller 9, so that the same rubber roller 9 is pressed on the two heat-sensitive sheets 42 to be spliced, thereby realizing the wide-width printing function.

[0033] The heat-sensitive sheet assembly 4 and the limiting part 21 in the same horizontal direction are both covered with a heat-sensitive sheet baffle 43. The heat-sensitive sheet baffle 43 serves as a protective layer to protect the chip of the heat-sensitive sheet 42 from being damaged, thereby improving the use safety and also serving as a paper guide and carbon ribbon flattening function.

[0034] The utility model also provides a printer, including printer body and above-mentioned print head splicing mechanism, print head splicing mechanism sets up in printer body. Because above-mentioned print head splicing mechanism has above-mentioned technical effect, the printer including above-mentioned print head splicing mechanism should also have above-mentioned technical effect, and here no longer tediously repeat.

[0035] In summary, the utility model can splice the heat-sensitive sheet heating area between two heat-sensitive sheet assemblies and cooperate with the same rubber roller to realize the wide-width printing function and meet the actual needs of users. Meanwhile, the left and right adjusting assembly and the up and down adjusting assembly can splice and adjust the heat-sensitive sheet assemblies of different sizes to adapt to the wide-width printing needs of different sizes, and the adaptability is high.

[0036] The above only discloses the preferred embodiment of the utility model, and of course cannot limit the scope of the utility model, so equivalent changes made according to the utility model claims still belong to the scope covered by the utility model.

Claims

1. A printhead tiling mechanism, comprising: The base is provided with a first pair of diagonal limiting mechanisms and a second pair of diagonal mounting mechanisms, the first pair of diagonal limiting mechanisms comprises two limiting parts arranged diagonally, and the second pair of diagonal mounting mechanisms comprises two mounting grooves arranged diagonally, and the mounting grooves and the limiting parts are arranged in a cross arrangement; The projection of the two adjacent mounting grooves in the vertical direction partially overlaps, the mounting grooves are provided with left-right adjusting assemblies and up-down adjusting assemblies, the left-right adjusting assemblies are used for adjusting the left-right position of the thermal sheet assembly in the mounting groove, and the up-down adjusting assemblies are used for adjusting the up-down position of the thermal sheet assembly in the mounting groove.

2. The printhead splicing mechanism of claim 1, wherein, The left-right adjusting assemblies comprise at least one first driving component and at least one first reverse resetting component, and the first driving component and the first reverse resetting component are arranged on the left and right sides of the mounting groove respectively. The first driving component is used for pushing the thermal sheet assembly to move left or right, and the first reverse resetting component is used for pushing the thermal sheet assembly to move in the opposite direction by elastic resetting force.

3. The printhead tiling mechanism of claim 2, wherein, The first driving component is a first adjusting bolt, one end of the first adjusting bolt is arranged on the left side wall or the right side wall of the base, and the other end of the first adjusting bolt is movably connected with the thermal sheet assembly in the mounting groove. The first reverse resetting component is a first adjusting spring, and the first adjusting spring is arranged on the side wall of the limiting part in the same horizontal direction as the mounting groove.

4. The printhead splicing mechanism of claim 1, wherein, The up-down adjusting assemblies comprise at least one second driving component and at least one second reverse resetting component, and the second driving component and the second reverse resetting component are arranged on the upper and lower sides of the mounting groove respectively. The second driving component is used for pushing the thermal sheet assembly to move up or down, and the second reverse resetting component is used for pushing the thermal sheet assembly to move in the opposite direction by elastic resetting force.

5. The printhead tiling mechanism of claim 4, wherein, The second driving component is a second adjusting bolt, one end of the second adjusting bolt is arranged on the upper side wall or the lower side wall of the base, and the other end of the second adjusting bolt is movably connected with the thermal sheet assembly in the mounting groove. The second reverse resetting component is a second adjusting spring, and the second adjusting spring is arranged on the side wall of the limiting part in the same vertical direction as the mounting groove.

6. The printhead splicing mechanism of claim 1, wherein, The mounting groove is further provided with a fixed mounting mechanism for fixing the thermal sheet assembly, the fixed mounting mechanism comprises a plurality of fixing bolts, the fixing bolts are arranged on the bottom side wall of the base, and one end of the fixing bolt is movably connected with the thermal sheet assembly in the mounting groove.

7. The printhead splicing mechanism of claim 1, wherein The thermal sheet assembly and the limiting part in the same vertical direction jointly form a V-shaped mounting area for placing a rubber roller.

8. The printhead splicing mechanism of claim 1, wherein, The thermal sheet assembly comprises a heat dissipation plate and a thermal sheet, and the thermal sheet is arranged on the heat dissipation plate.

9. The printhead splicing mechanism of claim 1, wherein, The heat-sensitive sheet assembly and the limiting part located in the same horizontal direction are both covered with a heat-sensitive sheet baffle.

10. A printer characterized by comprising: The printing head splicing mechanism as claimed in any one of claims 1 to 9 is provided in a printer body.