CN117465144A - Printing device and film printer - Google Patents

Printing device and film printer Download PDF

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Publication number
CN117465144A
CN117465144A CN202311548881.6A CN202311548881A CN117465144A CN 117465144 A CN117465144 A CN 117465144A CN 202311548881 A CN202311548881 A CN 202311548881A CN 117465144 A CN117465144 A CN 117465144A
Authority
CN
China
Prior art keywords
assembly
printing
upper cover
lower cover
cover member
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.)
Pending
Application number
CN202311548881.6A
Other languages
Chinese (zh)
Inventor
马永刚
袁兆祯
黄沛强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Printers Jiangmen Co ltd
JIANGMEN DASCOM COMPUTER PERIPHERAL CO Ltd
Original Assignee
Printers Jiangmen Co ltd
JIANGMEN DASCOM COMPUTER PERIPHERAL CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Printers Jiangmen Co ltd, JIANGMEN DASCOM COMPUTER PERIPHERAL CO Ltd filed Critical Printers Jiangmen Co ltd
Priority to CN202311548881.6A priority Critical patent/CN117465144A/en
Publication of CN117465144A publication Critical patent/CN117465144A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
    • B41J3/407—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J11/00—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
    • B41J11/02—Platens
    • B41J11/04—Roller platens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/315—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material
    • B41J2/32—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads

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  • Electronic Switches (AREA)

Abstract

The invention discloses a printing device and a film printer, wherein the printing device comprises a printing head assembly, a printing roller assembly, a pressure assembly and an adjusting assembly, the printing roller assembly is arranged below the printing head assembly, the pressure assembly is arranged on one side of the printing head assembly, which is away from the printing roller assembly, and the adjusting assembly can adjust the force applied by the pressure assembly to the printing head assembly. When the printing device works, when the pressure between the printing head assembly and the printing roller assembly needs to be regulated, the pressure assembly can be acted on by the regulating assembly, so that the force applied to the printing head assembly by the regulating assembly is regulated, and the pressure between the printing head assembly and the printing roller assembly can be regulated, so that the printing quality is improved.

Description

Printing device and film printer
Technical Field
The present invention relates to the field of printing apparatuses, and in particular, to a printing device and a film printer.
Background
In the related art, a medical image printer is generally a thermal film printer, and the working principle of the thermal film printer is that a semiconductor heating element is mounted on a printing head, and a required pattern can be printed after the printing head heats and contacts a thermal film, and the principle is similar to that of a thermal fax machine, and an image is generated by heating and generating chemical reaction in a film. When the medical thermo-sensitive film printer is used for printing, the printing head needs to keep a certain pressing force with the film to ensure the printing quality, however, the existing thermo-sensitive printer cannot adjust the pressing force, so that the reliable contact between the film and the printing head is affected, and the quality of the film printed is uneven.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the invention proposes a printing device in which the printing pressure can be adjusted.
The invention also provides a film printer with the printing device.
According to an embodiment of the first aspect of the present invention, a printing apparatus includes:
a printhead assembly;
the printing roller assembly is arranged below the printing head assembly;
the pressure assembly is arranged on one side of the printing head assembly, which is away from the printing roller assembly;
and the adjusting assembly can adjust the force applied to the printing head assembly by the pressure assembly.
The printing device provided by the embodiment of the invention has at least the following beneficial effects:
when the printing device works, when the pressure between the printing head assembly and the printing roller assembly needs to be regulated, the pressure assembly can be acted on by the regulating assembly, so that the force applied to the printing head assembly by the regulating assembly is regulated, and the pressure between the printing head assembly and the printing roller assembly can be regulated, so that the printing quality is improved.
According to some embodiments of the invention, the pressure assembly includes an upper cover member fixedly connected to the printhead assembly, a lower cover member slidably connected to an upper end of the lower cover member, and a spring disposed between the upper cover member and the lower cover member.
According to some embodiments of the invention, the lower cover member comprises a lower cover body and a sleeve, the sleeve is fixedly connected to the upper end of the lower cover body, the upper cover member comprises an upper cover body and a sliding column, one end of the sliding column is fixedly connected to the lower end of the upper cover body, the other end of the sliding column can stretch into the sleeve, the spring is sleeved on the outer side of the sleeve, and two ends of the spring can respectively abut against the upper cover body and the lower cover body.
According to some embodiments of the invention, the lower cover member comprises two sleeves, the two sleeves are connected to the upper end of the lower cover body at intervals, the upper cover member comprises two sliding columns, the two sliding columns are connected to the lower end of the upper cover body at intervals, and the two sliding columns are connected with the two sleeves in a one-to-one correspondence.
According to some embodiments of the invention, the pressure assembly further comprises a rotary cover rotatably mounted to the upper cover body, and a plurality of bumps of different heights are provided at an upper end of the rotary cover.
According to some embodiments of the invention, a cylinder penetrating through the upper cover body is arranged at the lower end of the rotary cover, a cylinder penetrating through the cylinder is arranged at the upper end of the lower cover body, a limiting plate is arranged at the end, away from the lower cover body, of the cylinder, and the limiting plate can be abutted against the upper cover body.
According to some embodiments of the invention, the rotary cap is provided with anti-slip threads provided on an outer peripheral wall of the rotary cap.
According to some embodiments of the invention, the adjusting assembly comprises a driving mechanism and a transmission mechanism, the transmission mechanism comprises a rotating shaft and a pressing piece, the pressing piece is connected to the rotating shaft, and the driving mechanism can drive the rotating shaft to rotate so as to drive the pressing piece to rotate towards or away from the rotating cover.
According to some embodiments of the invention, the pressing piece is provided with a pressing piece, and the pressing piece can be abutted against the protruding block to drive the rotating cover to push the upper cover to move towards the lower cover.
An embodiment of the second aspect of the present invention provides a film printer, including a printing apparatus according to an embodiment of the first aspect of the present invention.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
Additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:
FIG. 1 is a schematic diagram of a printing apparatus (an adjusting assembly is abutted to a pressure assembly) of a film printer according to some embodiments of the present invention;
FIG. 2 is an enlarged schematic view of FIG. 1 at A;
FIG. 3 is a schematic diagram of a printing apparatus (with an adjusting assembly not abutting against a pressure assembly) of a film printer according to some embodiments of the present invention;
FIG. 4 is an enlarged schematic view of FIG. 3 at B;
fig. 5 is a schematic structural view of a pressure assembly of a printing apparatus according to some embodiments of the present invention.
The reference numerals are as follows:
a printhead assembly 100;
a print roller assembly 200;
a pressure assembly 300; an upper cover 310; an upper cover 311; a sleeve 312; a lower cover 320; a lower cover 321; a sliding column 322; a column 323; a limiting plate 324; a spring 330; a rotary cover 340; a bump 341; a cylinder 342; anti-skid pattern 343;
an adjustment assembly 400; a drive mechanism 410; a transmission 420; a rotation shaft 421; a hold-down piece 422; and a pressing block 423.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
In the description of the present invention, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present invention and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, the description of the first and second is only for the purpose of distinguishing technical features, and should not be construed as indicating or implying relative importance or implying the number of technical features indicated or the precedence of the technical features indicated.
In the description of the present invention, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present invention can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
In the related art, a medical image printer is generally a thermal film printer, and the working principle of the thermal film printer is that a semiconductor heating element is mounted on a printing head, and a required pattern can be printed after the printing head heats and contacts a thermal film, and the principle is similar to that of a thermal fax machine, and an image is generated by heating and generating chemical reaction in a film. When the medical thermo-sensitive film printer is used for printing, the printing head needs to keep a certain pressing force with the film to ensure the printing quality, however, the existing thermo-sensitive printer cannot adjust the pressing force, so that the reliable contact between the film and the printing head is affected, and the quality of the film printed is uneven.
Therefore, the invention provides a printing device capable of adjusting the force applied by a printing head assembly to a film, and improving the printing quality.
Referring to fig. 1 to 5, a printing apparatus according to an embodiment of the present invention is applied to a film printer, and the printing apparatus includes a printhead assembly 100, a printing roller assembly 200, a pressure assembly 300, and an adjustment assembly 400, wherein the printing roller assembly 200 is disposed below the printhead assembly 100, and a film is disposed between the printhead assembly 100 and the printing roller assembly 200. The pressure assembly 300 is mounted to the side of the printhead assembly 100 facing away from the print roller assembly 200, and the adjustment assembly 400 is capable of adjusting the force applied to the printhead assembly 100 by the pressure assembly 300. Of course, the pressure assembly 300 may be provided in a plurality of pressure assemblies 300 spaced apart on the printhead assembly 100, thereby enabling a more uniform adjustment of the printhead assembly 100.
Referring to fig. 2 and 4, when the printing apparatus is operated, if the pressure between the print head assembly 100 and the print roller assembly 200 needs to be adjusted, the pressure assembly 300 can be acted on by the adjusting assembly 400, so that the force applied to the print head assembly 100 by the pressure assembly 300 can be adjusted, the pressure between the print head assembly 100 and the print roller assembly 200 can be adjusted, and the force applied to the film by the print head assembly 100 can be adjusted, thereby being beneficial to improving the printing quality.
Referring to fig. 5, it can be appreciated that in order to make the force variation of the pressure assembly 300 applied to the printhead assembly 100 smoother when adjusting the pressure, in some embodiments of the present invention, the pressure assembly 300 includes an upper cover member 310, a lower cover member 320, and a spring 330, the lower cover member 320 is fixedly coupled to the printhead assembly 100, the upper cover member 310 is slidably coupled to an upper end of the lower cover member 320, and the spring 330 is disposed between the upper cover member 310 and the lower cover member 320. When the pressure between the printhead assembly 100 and the printing roller assembly 200 needs to be increased, the adjusting assembly 400 pushes the upper cover 310 to move towards the lower cover 320, and the spring 330 can buffer the impact force between the upper cover 310 and the lower cover 320, so that the force applied by the lower cover 320 to the printhead assembly 100 changes more gradually, and damage to the film caused by overlarge impact force is avoided.
It can be appreciated that, in order to make the relative movement between the upper cover 310 and the lower cover 320 smoother and not shake, in some embodiments of the present invention, the lower cover 320 includes a lower cover 321 and a sleeve 312, the sleeve 312 is fixedly connected to an upper end of the lower cover 321, the upper cover 310 includes an upper cover 311 and a sliding post 322, one end of the sliding post 322 is fixedly connected to a lower end of the upper cover 311, the other end of the sliding post can stretch into the sleeve 312, the spring 330 is sleeved on an outer side of the sleeve 312, and two ends of the spring 330 can respectively abut against the upper cover 311 and the lower cover 321. Through the arrangement, when the upper cover 311 moves relative to the lower cover 321, the sliding column 322 stretches into the sleeve 312, and the sleeve 312 can play a guiding role at this time, so that the sliding column 322 can be prevented from shaking, and the upper cover 310 can move more stably.
It will be appreciated that, in order to further improve the stability of the movement of the upper cover 310, in some embodiments of the present invention, the lower cover 320 includes two sleeves 312, the two sleeves 312 are connected to the upper end of the lower cover 321 at intervals, the upper cover 310 includes two sliding columns 322, the two sliding columns 322 are connected to the lower end of the upper cover 311 at intervals, the two sliding columns 322 are connected to the two sleeves 312 in a one-to-one correspondence manner, and of course, the springs 330 are also provided with two springs, and the two springs 330 are sleeved on the outer sides of the two sleeves 312 one by one. By the arrangement, the stress between the upper cover member 310 and the lower cover member 320 is more balanced, which is beneficial to further improving the moving stability of the upper cover member 310.
Referring to fig. 3 and 4, it will be appreciated that the pressure to be regulated may be different from place to place in the printhead assembly 100, and for this purpose, in some embodiments of the present invention, the pressure assembly 300 further includes a rotary cover 340, the rotary cover 340 is rotatably mounted on the upper cover body 311, and a plurality of protrusions 341 with different heights are disposed at an upper end of the rotary cover 340, for example, a plurality of protrusions 341 with sequentially increasing heights may be annularly disposed at an upper end of the rotary cover 340. When adjusting the pressure, the rotary cover 340 can be rotated, so that the protrusions 341 on the rotary cover 340 can be adjusted to a proper position, and when the adjusting assembly 400 pushes the pressure assembly 300, the adjusting assembly 400 can be abutted against the corresponding protrusions 341, thereby realizing pressure adjustment on different positions of the printing head assembly 100. Specifically, if pressure is required to be increased at a location of the printhead assembly 100 relative to other locations, the rotating cap 340 of the pressure assembly 300 located thereat may be rotated such that the higher bump 341 on the rotating cap 340 may abut the adjustment assembly 400, thereby enabling the spring 330 to be compressed more and to generate a greater amount of deformation at that time, such that the pressure assembly 300 may apply a greater pressure to the location of the printhead assembly 100. Therefore, the pressure of the different positions of the printing head assembly 100 can be respectively adjusted through the arrangement, so that the pressure on the film can be more accurately controlled, and the printing quality is improved.
Referring to fig. 4 and 5, it can be understood that, in order to enable the rotary cover 340 to be limited to the upper cover 311, in some embodiments of the present invention, a cylinder 342 penetrating the upper cover 311 is provided at a lower end of the rotary cover 340, a column 323 penetrating the cylinder 342 is provided at an upper end of the lower cover 321, a limiting plate 324 is provided at an end of the column 323 away from the lower cover 321, and the limiting plate 324 can abut against the upper cover 311. By the above arrangement, the rotary cover 340 can be moved relative to the lower cover 320 by the engagement of the cylinder 342 and the column 323, while the rotary cover 340 can be prevented from being separated from the upper cover 311 by the stopper plate 324.
Referring to fig. 4, it can be appreciated that in order to make it easier to rotate the spin cover 340, in some embodiments of the present invention, the spin cover 340 is provided with anti-slip grooves 343, the anti-slip grooves 343 are provided at the outer circumferential wall of the spin cover 340, and the anti-slip grooves 343 can greatly increase the friction between the spin cover 340 and the hand, thereby improving the convenience of operation.
Referring to fig. 1 and 2, it can be appreciated that in some embodiments of the present invention, the adjustment assembly 400 includes a driving mechanism 410 and a transmission mechanism 420, the transmission mechanism 420 includes a rotating shaft 421 and a pressing member 422, the pressing member 422 is connected to the rotating shaft 421, and the driving mechanism 410 can drive the rotating shaft 421 to rotate so as to drive the pressing member 422 toward or away from the rotary cover 340. Specifically, the driving mechanism 410 may be a motor, the transmission mechanism 420 may be a worm and gear mechanism, the output shaft driven by the motor drives the worm to rotate, the worm drives the worm wheel to rotate, the worm wheel drives the rotating shaft 421 connected with the worm wheel to rotate, and the rotating shaft 421 drives the pressing piece 422 to turn over, so that the pressing of the rotating cover 340 can be realized to increase the pressure of the printing head assembly 100, or the pressing of the printing head assembly 100 is reduced and the operation is very convenient.
Referring to fig. 4, it can be appreciated that, in order to enable the hold down piece 422 to make better contact with the rotary cover 340, in some embodiments of the present invention, the hold down piece 422 is provided with a hold down piece 423, and the hold down piece 423 can abut against the bump 341 to drive the rotary cover 340 to push the upper cover 310 toward the lower cover 320. Specifically, the lower pressure block 423 may have an arc-shaped end portion, so that the contact between the lower pressure block 423 and the bump 341 is more gentle.
A film printer according to a second aspect of the present invention includes a film taking device capable of picking up a film placed in a film cassette and then transferring the film to a printing device through the conveying device, and the printing device capable of printing contents such as an image on the film. When the pressure between the printing head assembly 100 and the printing roller assembly 200 needs to be adjusted, the pressure assembly 300 can be acted on by the adjusting assembly 400, so that the force applied to the printing head assembly 100 by the pressure assembly 300 is adjusted, the pressure between the printing head assembly 100 and the printing roller assembly 200 can be adjusted, and the force applied to a film by the printing head assembly 100 is adjusted, so that the printing quality is improved.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present invention.

Claims (10)

1. A printing apparatus, comprising:
a printhead assembly;
the printing roller assembly is arranged below the printing head assembly;
the pressure assembly is arranged on one side of the printing head assembly, which is away from the printing roller assembly;
and the adjusting assembly can adjust the force applied to the printing head assembly by the pressure assembly.
2. The printing device of claim 1, wherein the pressure assembly comprises an upper cover member, a lower cover member, and a spring, the lower cover member being fixedly connected to the printhead assembly, the upper cover member being slidably connected to an upper end of the lower cover member, the spring being disposed between the upper cover member and the lower cover member.
3. The printing device according to claim 2, wherein the lower cover member comprises a lower cover body and a sleeve, the sleeve is fixedly connected to the upper end of the lower cover body, the upper cover member comprises an upper cover body and a sliding column, one end of the sliding column is fixedly connected to the lower end of the upper cover body, the other end of the sliding column can stretch into the sleeve, the spring is sleeved on the outer side of the sleeve, and two ends of the spring can respectively abut against the upper cover body and the lower cover body.
4. A printing device according to claim 3, wherein the lower cover member comprises two sleeves, the two sleeves are connected to the upper end of the lower cover member at intervals, the upper cover member comprises two sliding columns, the two sliding columns are connected to the lower end of the upper cover member at intervals, and the two sliding columns are connected to the two sleeves in a one-to-one correspondence.
5. A printing device according to claim 3, wherein the pressure assembly further comprises a rotatable cover rotatably mounted to the upper cover body, and a plurality of bumps of different heights are provided at an upper end of the rotatable cover.
6. The printing device according to claim 5, wherein a cylinder penetrating through the upper cover body is arranged at the lower end of the rotary cover, a cylinder penetrating through the cylinder is arranged at the upper end of the lower cover body, a limiting plate is arranged at the end, away from the lower cover body, of the cylinder, and the limiting plate can be abutted against the upper cover body.
7. The printing device of claim 5, wherein the rotary cap is provided with anti-slip features provided on an outer peripheral wall of the rotary cap.
8. A printing device according to any one of claims 5 to 7, wherein the adjustment assembly comprises a drive mechanism and a transmission mechanism, the transmission mechanism comprising a shaft and a hold-down member, the hold-down member being connected to the shaft, the drive mechanism being capable of driving the shaft to rotate so as to drive the hold-down member to rotate towards or away from the rotatable cover.
9. A printing device according to claim 8, wherein the pressing member is provided with a pressing block, and the pressing block can abut against the protruding block to drive the rotary cover to push the upper cover to move toward the lower cover.
10. Film printer comprising a printing device according to any one of claims 1 to 9.
CN202311548881.6A 2023-11-20 2023-11-20 Printing device and film printer Pending CN117465144A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311548881.6A CN117465144A (en) 2023-11-20 2023-11-20 Printing device and film printer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311548881.6A CN117465144A (en) 2023-11-20 2023-11-20 Printing device and film printer

Publications (1)

Publication Number Publication Date
CN117465144A true CN117465144A (en) 2024-01-30

Family

ID=89625497

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311548881.6A Pending CN117465144A (en) 2023-11-20 2023-11-20 Printing device and film printer

Country Status (1)

Country Link
CN (1) CN117465144A (en)

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