A laser printing cartridge light protection system

By incorporating a bag-pulling module, a locking module, and a light-blocking module into the laser printing box, the problems of film light leakage and loose gaps are solved, achieving efficient light blocking and ensuring the safety of the film and printing quality during use.

CN117021790BActive Publication Date: 2026-01-02HUQIU IMAGE SCI & TECH SUZHOU CO LTD
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Patent Information

Application Number
CN202311131416.2
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-09-04
Publication Date
2026-01-02
Estimated Expiration
2043-09-04

AI Technical Summary

Technical Problem

In existing laser printers, the gap between the film and the printer causes light leakage, and the film bag is easily pulled away during the removal process, resulting in exposure damage. With long-term use, the gap widens and affects the printing effect.

Method used

A light-shielding system for laser printing boxes was designed, comprising a bag-pulling module, a locking module, and a light-shielding module. The bag-pulling channel is formed by the upper and lower guide rollers, the locking components and locking grooves lock the box body, and the light-shielding grooves and light-blocking grooves prevent light from entering, ensuring the light-shielding effect of the film before, during, and during maintenance.

Benefits of technology

It effectively avoids film exposure damage, ensures print quality, is easy to operate, adapts to different film sizes, and expands the printer's applicability.

✦ Generated by Eureka AI based on patent content.

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    Figure CN117021790B_ABST
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Abstract

The application discloses a kind of laser printing box light-avoiding systems, comprising: box frame and the film cassette of sliding connection in box frame, bagging module, locking module and light-avoiding module are arranged between box frame and film cassette, bagging module includes: upper guide roller and lower guide roller, upper guide roller is set on box frame, lower guide roller is set in film cassette, upper guide roller and lower guide roller form bagging passage between, locking module includes: locking assembly and locking groove, locking assembly is set on box frame, locking assembly includes the locking hook and driving piece connected, locking groove is set on film cassette, locking hook is adapted with locking groove, driving piece can drive locking hook to extend or extend into locking groove, light-avoiding module includes: lightproof groove and light-blocking groove, lightproof groove and light-blocking groove are all set on film cassette, lightproof pad is placed in lightproof groove, light-blocking plate can be inserted in light-blocking groove.
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Description

TECHNICAL FIELD

[0001] The present application relates to the field of laser printing, in particular to a laser printing box light-proof system. BACKGROUND

[0002] The medical laser printer is a commonly used printer in medical treatment. The laser printer has the advantages of fast single-page printing speed, high printing quality and large printing quantity. The film used in the laser printer needs to be kept in a light-proof environment. Exposed film will result in inaccurate printing results, and even in some cases, printing cannot be performed. Therefore, how to do a good job of film light-proof work is an important problem.

[0003] In the prior art, in order to avoid the film contacting the light source, the film and the film bag are usually put into the printing box, and then the film bag is extracted, so as to avoid the film contacting the outside and reduce the exposure rate of the film. However, after the film is placed in the printing box, there is a gap between the printing box body and the printer, and there is still a light leakage problem. In addition, during the bag extraction process, the film is also easy to be taken out of the film box by the film bag, resulting in exposure. In addition, during the long-term use of the printing box, looseness is easy to occur, resulting in a gap and light leakage, which affects the film placed in the printing box.

[0004] Therefore, the present application provides a laser printing box light-proof system to solve the film exposure problem. SUMMARY

[0005] The present application overcomes the shortcomings of the prior art and provides a laser printing box light-proof system.

[0006] To achieve the above purpose, the technical scheme adopted by the present application is as follows: a laser printing box light-proof system, comprising: a box body frame and a film box slidingly connected in the box body frame, an extraction bag module, a locking module and a light-proof module are arranged between the box body frame and the film box;

[0007] The extraction bag module comprises: an upper guide roller and a lower guide roller, the upper guide roller is arranged on the box body frame, the lower guide roller is arranged in the film box, and the upper guide roller and the lower guide roller form an extraction bag channel therebetween;

[0008] The locking module comprises: a locking assembly and a locking groove, the locking assembly is arranged on the box body frame, the locking assembly comprises a locking hook and a driving member connected thereto, the locking groove is arranged on the film box, the locking hook is matched with the locking groove, and the driving member can drive the locking hook to extend into or out of the locking groove;

[0009] The light-proof module comprises a light-proof groove and a light-shielding groove, the light-proof groove and the light-shielding groove are arranged on the film box, a light-proof pad is arranged in the light-proof groove, and a light-shielding plate is inserted into the light-shielding groove.

[0010] In a preferred embodiment of the present application, the lower guide roller comprises a connecting rod, a guide wheel and a guide plate, the connecting rod is rotatably connected with the film box, the guide wheel is rotatably connected with the connecting rod, and the guide plate is sleeved on the connecting rod.

[0011] In a preferred embodiment of the present application, the guide plate is arranged below the connecting rod, a limiting groove is arranged at the bottom of the guide plate, and a limiting rod is inserted into the limiting groove.

[0012] In a preferred embodiment of the present application, the locking module further comprises a sensing assembly, the sensing assembly comprises a front-end sensing member and a rear-end sensing member, the front-end sensing member is arranged at the front end of the locking hook, and the rear-end sensing member is arranged at the rear end of the locking hook.

[0013] In a preferred embodiment of the present application, the driving member is electrically connected with the printer control system.

[0014] In a preferred embodiment of the present application, the locking module further comprises a pushing assembly, the pushing assembly comprises a push rod and a bracket, a through hole is arranged on the bracket, the push rod is inserted into the through hole and is slidably connected with the bracket.

[0015] In a preferred embodiment of the present application, a spring is arranged on the push rod, one end of the spring is fixed on the push rod, and the other end of the spring is fixedly connected with the bracket.

[0016] In a preferred embodiment of the present application, the light-proof pad is made of flexible material.

[0017] In a preferred embodiment of the present application, the light-shielding groove is arranged on the top end side wall of the film box, and the height of the light-shielding groove is matched with the thickness of the light-shielding plate.

[0018] In a preferred embodiment of the present application, a plurality of positioning holes are arranged at the bottom of the film box, the positioning holes are connected with a positioning assembly, the positioning assembly comprises a positioning column and a positioning block, and a film groove is formed between the positioning column and the positioning block.

[0019] The present application solves the defects in the background art and has the following beneficial effects:

[0020] The present application sets the bag drawing module, the locking module and the light-proof module between the box frame and the film cassette, forms a complete light-proof system, so that the film in the film cassette can achieve a high light-proof effect before, during and after use, and even when the film cassette is being repaired, the film in the film cassette is prevented from being damaged by exposure to light, and the printing work is affected.

[0021] The bag drawing channel is formed between the upper guide roller and the lower guide roller arranged on the bag drawing module, the film bag is drawn outwards through the bag drawing channel after the film is placed in the printing box, the lower guide roller is driven to lift the guide plate by the outward pulling force of the film bag, the guide plate abuts against the film bag, so that the film in the film bag is lifted to form an included angle with the film cassette, and falls into the printing box under the action of gravity, so that the film is always below the bag drawing channel, the light leakage in the bag drawing channel is avoided, and the film is also prevented from being taken out of the box body to cause re-exposure.

[0022] The locking assembly and the locking groove are arranged on the locking module, the locking groove is arranged on the printing box body, when the printer is in use, the driving member is controlled by the printer control system, the locking hook is driven to extend into the locking groove, so that the printing box body is locked in the mounting frame, the printing box is prevented from being mistakenly drawn out, the film in the printing box is prevented from being exposed to light, the printing work is affected, and the subsequent printing work is affected, the film cassette is locked in the box body frame by the locking hook, the light leakage caused by the gap due to loosening during long-term printing is prevented, and the unlocking step of the locking assembly is completed only by the instruction control system in the form of the electric connection control system, so that the operation is convenient.

[0023] The light-blocking groove is arranged on the light-proof module, when the printing box needs to be repaired or replaced, the light-blocking plate is inserted into the light-blocking groove, the film cassette is light-proofed, and then the box body is drawn out, so that the film in the box body is prevented from being exposed to light, the light-blocking groove is provided with the light-blocking pad, the gap between the film cassette and the box body frame is filled with the light-blocking pad, and the light entering the box body to damage the film is further prevented. BRIEF DESCRIPTION OF DRAWINGS

[0024] The present application will be further described below in combination with the drawings and examples;

[0025] Figure 1 is a perspective view of the laser printing box of the preferred embodiment of the present application;

[0026] Figure 2 is another perspective view of the laser printing box of the preferred embodiment of the present application;

[0027] Figure 3 is a cross-sectional view of the laser printing box of the preferred embodiment of the present application;

[0028] Figure 4is a perspective view of the locking module of the preferred embodiment of the present application;

[0029] Figure 5 is a top view of the locking hook of the preferred embodiment of the present application;

[0030] Figure 6 is a top view of the laser printing cartridge in the extracted state of the preferred embodiment of the present application;

[0031] Figure 7 is a sectional view of the laser printing cartridge in the extracted state of the preferred embodiment of the present application.

[0032] In the figure: 1, cartridge frame; 2, film cartridge; 21, positioning hole; 22, positioning assembly;

[0033] 3, bag extraction module; 31, upper guide roller; 32, lower guide roller; 322, guide plate; 3220, limiting rod; 33, bag extraction channel;

[0034] 4, locking module; 41, locking assembly; 410, locking hook; 411, driving member; 42, locking slot; 43, sensing assembly; 430, front end sensing member; 431, rear end sensing member; 44, pushing assembly;

[0035] 5, light shielding module; 51, light shielding slot; 510, light shielding pad; 520, light shielding plate. DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0037] It should be noted that when an assembly is referred to as being "fixed" to another assembly, it can be directly on the other assembly or there can be another intermediate assembly fixed by the intermediate assembly. When an assembly is referred to as being "connected" to another assembly, it can be directly connected to the other assembly or there can be another intermediate assembly. When an assembly is referred to as being "disposed" on another assembly, it can be directly disposed on the other assembly or there can be another intermediate assembly. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are only for illustrative purposes.

[0038] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description herein is for describing particular embodiments only and is not intended to be limiting of the application. The use herein of the terms "and / or" includes a set of one or more associated listed items.

[0039] As Figures 1 to 7 A laser printing box light-avoiding system, comprising: a box body frame 1 and a film box 2 slidingly connected in the box body frame 1, and an extraction bag module 3, a locking module 4 and a light-avoiding module 5 arranged between the box body frame 1 and the film box 2, the extraction bag module 3, the locking module 4 and the light-avoiding module 5 arranged between the box body frame 1 and the film box 2 form a complete light-avoiding system, so that the film in the film box 2 can achieve a high-efficiency light-avoiding effect before, during and after use, and even when the film box 2 is being repaired, to avoid the film in the film box 2 from being exposed to light and damaged, thereby affecting the printing work.

[0040] The extraction bag module 3 comprises an upper guide roller 31 and a lower guide roller 32, the upper guide roller 31 is arranged on the box body frame 1, the lower guide roller 32 is arranged in the film box 2, and an extraction bag channel 33 is formed between the upper guide roller 31 and the lower guide roller 32, the lower guide roller 32 comprises a connecting rod, a guide wheel and a guide plate 322, the connecting rod is rotationally connected with the film box 2, the guide wheel is rotationally connected on the connecting rod, and the guide plate 322 is fixedly connected on the connecting rod and arranged below the connecting rod, the extraction bag channel 33 is formed between the upper guide roller 31 and the lower guide roller 32 arranged on the extraction bag module 3, the film is placed in the film box and then extracted out of the film bag through the extraction bag channel 33, the lower guide roller 32 is driven by the outward pulling force of the film bag to lift the guide plate 322, the guide plate 322 abuts against the film bag, so that the film in the film bag is lifted to form an included angle with the film box 2, and falls into the film box under the action of gravity, so that the film is always below the extraction bag channel 33, avoiding the light leakage of the extraction bag channel 33 and the exposure of the film, and also avoiding the film from being taken out of the film box to be exposed to light again, a limiting slot is arranged at the bottom of the guide plate 322, and a limiting rod 3220 is inserted into the limiting slot, to avoid the guide plate 322 from being lifted too high to affect the normal extraction of the film bag.

[0041] The locking module 4 comprises a locking assembly 41 and a locking groove 42, the locking assembly 41 is arranged on the box frame 1, the locking assembly 41 comprises a locking hook 410 and a driving piece 411 connected with each other, the film box 2 is provided with the locking groove 42, the locking hook 410 is matched with the locking groove 42, and the driving piece 411 can drive the locking hook 410 to extend into or out of the locking groove 42; the driving piece 411 is electrically connected with the printer control system; when the printer is in use, the driving piece 411 is controlled by the printer control system, the driving piece 411 drives the locking hook 410 to extend into the locking groove 42, so that the printing box body is locked in the mounting frame, and the printing box is prevented from being pulled out by mistake, so that the film in the printing box is exposed to light and cannot be used, the subsequent printing work is affected, and meanwhile the film box 2 is locked in the box frame 1 by the locking hook 410, so that the film box 2 is prevented from being loosened for a long time to cause a gap and light leakage, and in addition, the locking assembly 41 is unlocked only by controlling the system through the driving piece electrically connected with the control system, so that the operation is convenient.

[0042] The locking module 4 further comprises a sensing assembly 43, the sensing assembly 43 comprises a front end sensing piece 430 and a rear end sensing piece 431, the front end sensing piece 430 is arranged at the front end of the locking hook 410, and the rear end sensing piece 431 is arranged at the rear end of the locking hook 410; the front end sensing piece 430 on the sensing assembly 43 can sense whether the box body reaches the bottom of the mounting frame, and the displacement distance of the locking hook 410 is sensed by the rear end sensing piece 431, so that whether the film box 2 reaches the specified position is accurately judged, and the film box 2 is better fixed.

[0043] The locking module 4 further comprises a pushing assembly 44, the pushing assembly 44 comprises a push rod and a support, the support is provided with a through hole, the push rod is inserted into the through hole and is in sliding connection with the support, a spring is arranged on the push rod, one end of the spring is fixed on the push rod, and the other end of the spring is fixedly connected to the support; when the film box 2 is fixed in the box frame 1, the push rod on the pushing assembly 44 is pushed into the support by the film box 2, and the spring arranged on the push rod is compressed; when the box body is pulled out, the push rod moves out of the support, and the spring is released; the force released by the spring is transferred to the push rod, the push rod pushes the film box 2 outward, and when the locking hook returns to the initial position, the film is prevented from not being pulled out in time, and the locking hook enters the locking groove 42 again to lock the box body.

[0044] The light-proof module 5 comprises a light-proof groove 51 and a light-shielding groove, the light-proof groove 51 and the light-shielding groove are arranged on the film box 2, the light-proof groove 51 is provided with a light-proof pad 510, the film box 2 is provided with an upper groove, the box frame 1 is provided with a lower groove, the upper groove and the lower groove are matched to form the light-proof groove 51, the light-proof pad 510 is provided with a light-absorbing coating, the light-proof pad 510 is made of flexible material, the gap between the film box 2 and the box frame 1 is filled with the light-proof pad 510, and the light is further prevented from entering the box body to damage the film.

[0045] The light shielding groove is arranged on the top end side wall of the film box 2, and the height of the light shielding groove is matched with the thickness of the light shielding plate 520; when the printing box needs to be maintained or replaced, the light shielding plate 520 is inserted into the light shielding groove, the film box 2 is subjected to light shielding treatment, and then the box body is extracted, so that the external light is prevented from irradiating the film in the box body and causing exposure.

[0046] In a preferred embodiment of the present application, a plurality of positioning holes 21 are arranged at the bottom of the film box 2, the positioning holes 21 are capable of being connected with a positioning assembly 22, the positioning assembly 22 comprises a positioning column and a positioning block, and a film groove can be formed between the positioning column and the positioning block. The positioning assembly 22 and the plurality of positioning holes 21 are arranged, different film grooves are formed by connecting the positioning assembly 22 with different positioning holes 21, and thus different sizes of films can be placed in the printing box, which is simple in operation and high in practicability. The same printing machine can be used to print different sizes of films, which facilitates printing and reduces the time of patients for medical treatment. Moreover, the same printing machine can complete the printing work of a plurality of sizes of films, and the overall application range of the printing machine is improved.

[0047] In use of the present application:

[0048] The film box 2 is extracted from the box body frame 1, the positioning block and the positioning column are connected on different positioning holes 21 to form corresponding film grooves according to the size of the film to be placed, the film bag containing the film is placed in the film groove, and the film bag is extracted through the extraction channel 33 formed between the upper guide roller 31 and the lower guide roller 32 arranged on the bag extraction module 3. During the extraction process, the lower guide roller 32 is driven by the outward pulling force of the film bag to lift the guide plate 322, the guide plate 322 abuts against the film bag, so that the film in the film bag is lifted to form an included angle with the film box 2, and falls in the printing box under the action of gravity, so that the film is always below the extraction channel 33, the light leakage of the extraction channel 33 is avoided, and the film is also prevented from being taken out of the box body to cause re-exposure.

[0049] The film box 2 is pushed into the box body frame 1 and locked through the locking assembly 41 and the locking groove 42 arranged on the locking module 4. Specifically, the driving part 411 is controlled to move through the printing machine control system, the locking hook 410 is driven by the driving part 411 to extend into the locking groove 42, so that the printing box body is locked in the box body frame 1, the printing box is prevented from being mistakenly extracted, the film in the printing box is prevented from being exposed and unable to be used, and the subsequent printing work is affected. At the same time, the film box 2 is locked in the box body frame 1 through the locking hook 410, so that the light leakage caused by the gap due to loosening during long-term printing is prevented. In addition, the driving part is electrically connected to the control system, so that the unlocking step of the locking assembly 41 can be completed through the instruction control system, and the operation is convenient.

[0050] When the film is placed in the film box 2, the light-proof pad 510 is placed in the light-proof groove 51 formed by the film box 2 and the box frame 1. The light-proof pad 510 is made of flexible material and can fill the entire gap. The light-absorbing coating on the light-proof pad 510 can effectively absorb external light, preventing light from entering the film box 2 through the gap between the film box 2 and the box frame 1 to cause exposure damage to the film.

[0051] When the printing box needs to be repaired or replaced, the light shield plate 520 is inserted into the light shield groove to perform light-proof treatment on the film box 2, and then the box body is pulled out to prevent external light from shining on the film in the box body, causing exposure.

[0052] The above embodiments only express several embodiments of the present application, and the description is more specific and detailed, but it cannot be understood as a limitation on the scope of the patent. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which are equivalent modifications and evolutions of the above embodiments according to the essential technology of the present application, and these are within the protection scope of the present application.

Claims

1. A laser printing cartridge light-proof system, comprising a cartridge frame and a film cartridge slidingly connected in the cartridge frame A film cassette characterized by The cartridge frame and the film cartridge are provided with a bag drawing module, a locking module and a light-proof module The bag drawing module comprises an upper guide roller and a lower guide roller, the upper guide roller is arranged on the cartridge frame, the lower guide roller is arranged in the film cartridge, and a bag drawing channel is formed between the upper guide roller and the lower guide roller The locking module comprises a locking assembly and a locking groove, the locking assembly is arranged on the cartridge frame, the locking assembly comprises a locking hook and a driving member connected with each other, the locking groove is arranged on the film cartridge, the locking hook is matched with the locking groove, and the driving member can drive the locking hook to extend into or out of the locking groove The light-proof module comprises a light-proof groove and a light-blocking groove, the light-proof groove and the light-blocking groove are arranged on the film cartridge, a light-proof pad is placed in the light-proof groove, the light-proof pad is provided with a light-absorbing coating, an upper recess is arranged on the film cartridge, a lower recess is arranged on the cartridge frame, the upper recess and the lower recess are matched to form the light-proof groove, and a light-blocking plate can be inserted into the light-blocking groove The lower guide roller comprises a connecting rod, a guide wheel and a guide plate, the connecting rod is rotationally connected with the film cartridge, the guide wheel is rotationally connected with the connecting rod, and the guide plate is fixedly connected with the connecting rod The guide plate is arranged below the connecting rod, the film is placed in the film cartridge, and then the film bag is drawn outwards through the bag drawing channel, the lower guide roller is driven by the pulling force of the film bag to lift the guide plate, the guide plate abuts against the film bag, so that the film in the film bag is lifted to form an included angle with the film cartridge, and falls into the film cartridge under the action of gravity, so that the film is always below the bag drawing channel, the light exposure of the film in the bag drawing channel is avoided, and the film is also prevented from being taken out of the film cartridge to cause re-exposure A limiting groove is arranged at the bottom of the guide plate, a limiting rod is inserted into the limiting groove, and the guide plate is prevented from being lifted too high to affect normal bag drawing The locking module further comprises a sensing assembly, the sensing assembly comprises a front-end sensing member and a rear-end sensing member, the front-end sensing member is arranged at the front end of the locking hook, and the rear-end sensing member is arranged at the rear end of the locking hook The locking module further comprises a pushing assembly, the pushing assembly comprises a push rod and a bracket, a through hole is arranged on the bracket, the push rod is inserted into the through hole and is slidingly connected with the bracket A spring is arranged on the push rod, one end of the spring is fixed on the push rod, and the other end of the spring is fixedly connected with the bracket 2. The laser cartridge light protection system of claim 1, wherein: A plurality of positioning holes are arranged at the bottom of the film cartridge, the positioning holes can be connected with a positioning assembly, the positioning assembly comprises a positioning column and a positioning block, and a film groove can be formed between the positioning column and the positioning block The light-proof pad is made of flexible material.

Citation Information

Patent Citations

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    CN217455402U

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    CN220639270U

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