WO2018107518A1 - Système de protection de sécurité pour imprimante 3d - Google Patents

Système de protection de sécurité pour imprimante 3d Download PDF

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Publication number
WO2018107518A1
WO2018107518A1 PCT/CN2016/112310 CN2016112310W WO2018107518A1 WO 2018107518 A1 WO2018107518 A1 WO 2018107518A1 CN 2016112310 W CN2016112310 W CN 2016112310W WO 2018107518 A1 WO2018107518 A1 WO 2018107518A1
Authority
WO
WIPO (PCT)
Prior art keywords
printer
nozzle
locking
sensor
signal
Prior art date
Application number
PCT/CN2016/112310
Other languages
English (en)
Chinese (zh)
Inventor
姚立伟
唐庭阁
王海炳
Original Assignee
杭州先临三维科技股份有限公司
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 杭州先临三维科技股份有限公司 filed Critical 杭州先临三维科技股份有限公司
Publication of WO2018107518A1 publication Critical patent/WO2018107518A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y40/00—Auxiliary operations or equipment, e.g. for material handling

Definitions

  • the present invention belongs to the technical field of 3D printers, and more particularly to a 3D printer security protection system.
  • the existing 3D printers generally use FDM (Fused Deposition Modeling), that is, a printer module with a heating device, heats and melts the printing material, and sprays the melted printing material according to a certain path. Finally, a print model is formed.
  • FDM Field Deposition Modeling
  • the newly-operated nozzle still has a relatively high temperature, and the existing nozzle cover can cover most of the nozzle structure, but the metal nozzle of the nozzle still has a part of the leakage outside, the user Still accessible, it is easy to cause damage.
  • the material that is heated and melted is stagnation.
  • the 3D printer is in the non-working time, the printing material remaining in the nozzle will flow down and remain inside the printer under the action of gravity, which will be the subsequent printing process. Cause interference.
  • the technical problem to be solved by the present invention is to provide a 3D printer security protection system to realize the security protection of the printer nozzle, avoiding the scalding of the nozzle to the personnel, and also functioning at the printer to protect the nozzle from external interference. The role.
  • an electronic locking mechanism for locking or unlocking a printer cabinet door
  • a first sensor configured to detect whether the printer cabinet door is snoring, and issue a threshold/door closing signal when the printer cabinet door is opened/closed
  • control module that connects the electronic locking mechanism and the first sensor, the control module is configured to control the electronic locking mechanism to lock after receiving the door closing signal, and issue a safety signal
  • an alarm signal is issued after receiving the threshold signal to stop the printer nozzle and move to a safe position.
  • the above 3D printer security protection system by providing an electronic locking mechanism on the printer cabinet door, and a corresponding first sensor and control module, so that the printer keeps the cabinet door locked in the working state; ⁇ , when the cabinet door is snored, the control module sends an alarm signal to stop the nozzle and return to a safe position, thereby preventing the person from hitting the cabinet door and touching the nozzle to cause burns.
  • the above 3D printer security protection system further includes:
  • a second sensor is connected to the control module, configured to detect whether the electronic locking mechanism is locked, and to issue a locking/locking signal after the electronic locking mechanism is locked/unlocked;
  • the electronic locking mechanism is locked, and a safety signal is sent after receiving the locking signal;
  • an alarm signal is sent after receiving the threshold signal to stop the printer nozzle and move to a safe position.
  • the setting of the second sensor causes the control module to issue a safety signal after confirming that the door is closed and locked, and then sends a safety signal after the door is closed, the lock is not closed, and the lock is released, thereby preventing the door from being closed.
  • the failure of the rear locking mechanism to be blocked occurs, further improving the safety of the system.
  • the foregoing 3D printer security protection system further includes:
  • a third sensor is connected to the control module, configured to detect whether the printer nozzle is in a safe position, and issue a reset signal when the printer nozzle is in a safe position;
  • control module is further configured to control the electronic locking mechanism to unlock after receiving the reset signal.
  • the control module can actively unlock after the printer nozzle returns to the safe position, thereby improving the intelligence level and convenience of the system.
  • the printer nozzle is also in a safe position, and the control module always controls the locking mechanism to remain locked to improve the safety of the system.
  • the electronic locking mechanism includes a driving portion, a locking portion and a locking tongue;
  • the locking portion includes a housing and a locking member connecting the driving portion in the housing, the locking portion/locking tongue Mounted on the printer cabinet and the printer cabinet door respectively, the driving portion drives the locking member to reciprocate to lock or loosen the locking tongue, and the printer cabinet door is locked or unlocked;
  • the first sensor And a second sensor is disposed in the housing, and the first sensor is corresponding to the lock tongue for detecting a position of the lock tongue; the second sensor is corresponding to the lock member for detecting the lock member position.
  • the locking member is a slider mounted on a sliding groove in the locking portion housing, and the sliding block is provided with a first inlet and outlet for the locking tongue to enter and exit and a block for fixing the locking tongue The block is inserted into the slider through the first entrance and exit, and is locked by the stopper after the slider moves.
  • the electronic locking mechanism can automatically lock and unlock the door of the cabinet under the control of the control module, and has a simple and compact structure, small volume and good reliability, and is convenient for installation and use.
  • the electronic locking mechanism further includes a bolt fixing member, one end of the locking bolt is axially connected to the bolt fixing member, and the slider is further provided with a second inlet and outlet.
  • the locking tongue is pivotable about the axis to release the slider through the second inlet and outlet.
  • the first sensor, the second sensor and the third sensor are any one or more of a position sensor, an optical sensor or a pressure sensor.
  • a protection member for shielding the nozzle in the safe position of the printer nozzle is further included.
  • the protection member is a baffle
  • the baffle is mounted on the printer casing
  • the printer nozzle is located in a safe position
  • the baffle shields the nozzle.
  • the baffle is provided with a concave channel for the printer nozzle to move to a safe position for the nozzle to pass.
  • the protection member is a box body, and the box body is provided with a connecting member for assembling the box body to the printer box, and the top of the box body is provided with a groove at the mouth of the box body.
  • the groove matches the nozzle of the printer head to serve as a passage for the head to enter and exit relative to the box.
  • the connecting member is a convex buckle for inserting and fixing a corresponding groove on the printer casing.
  • the arrangement of the above protective members further enhances the safety of the protective system of the present invention.
  • the main function of the guard is to shield the nozzle that is still at a high temperature just after the printer nozzle has returned to a safe position to avoid burns caused by the touch.
  • the protector is a baffle
  • a concave passage can be provided on the baffle to allow the nozzle to pass back to a safe position.
  • the protection member is a box body
  • a groove is formed at the mouth of the top of the box body to serve as a passage for the nozzle to enter and exit with respect to the box body.
  • the above-mentioned box body is also integrally provided with a residue collection box at the bottom to collect the residual Material, to avoid affecting the subsequent printing process.
  • the present invention also provides a 3D printer, comprising a box body and a closable printer cabinet door disposed on the box body, and a printer head disposed in the box body and a control center for controlling the operation of the printer head
  • the printer nozzle has at least one safety position; the 3D printer is provided with a 3D printer security protection system as described above, the control center is connected to the control module of the 3D printer security protection system, and the printer nozzle is activated first. Confirm the safety signal sent by the control module, or control the printer nozzle to stop working and move to a safe position after receiving the alarm signal from the control module.
  • the 3D printer of the present invention by setting the above-mentioned safety protection system, the control center needs to confirm the safety signal sent by the protection system control module before starting to control the working of the nozzle, and then start working when the cabinet door is smashed. ⁇ , can control the nozzle to stop working and move to a safe position, so as to effectively prevent the related personnel from being burned, and avoid the external force of the nozzle being disturbed during work.
  • FIG. 1 is a schematic diagram of component connections of an embodiment of a 3D printer security protection system of the present invention.
  • FIG. 2 is a schematic structural view of a preferred embodiment of an electronic lock mechanism in a 3D printer security system of the present invention.
  • FIG. 5 is a schematic structural diagram of an embodiment of a protection component in a 3D printer security protection system according to the present invention.
  • FIG. 6 is a schematic structural view of an embodiment of a 3D printer of the present invention.
  • the 3D printer security system of the present invention in its embodiment, includes an electronic lock mechanism, a first sensor, and a control module.
  • the electronic locking mechanism is used for locking or unlocking the printer cabinet door;
  • the first sensor is for detecting whether the printer cabinet door is snoring, and issuing a corresponding threshold/door closing when the printer cabinet door is opened/closed
  • the control module is connected to the electronic locking mechanism and the first sensor for controlling the electronic locking mechanism to lock after receiving the door closing signal, and issuing a safety signal, or issuing an alarm signal after receiving the threshold signal, so that The printer nozzle stops working and moves to a safe position.
  • the second sensor is configured to detect whether the electronic locking mechanism is locked, and to lock/unlock the electronic locking mechanism to issue a locking/locking signal. Thereafter, the control module is configured to issue a safety signal after receiving the door closing signal and the locking signal; or, after receiving the door closing signal and the lock signal, controlling the electronic locking mechanism to lock, and receiving the locking signal A safety signal is then issued; or, after receiving the threshold signal, an alarm signal is issued to stop the printer nozzle and move to a safe position.
  • the control module does not receive the reset signal of the third sensor, so that the electronic lock mechanism will always remain locked. It will only be unlocked after receiving the reset signal, which further improves the safety of the above safety protection system.
  • the first sensor, the second sensor, and the third sensor described above may be any one or more of a position sensor, an optical sensor, or a pressure sensor.
  • the electronic lock mechanism in the above embodiment is a lock mechanism that is driven by an electric signal.
  • the structure and principle can be used in a variety of forms, such as a motor-driven mechanical bolt or an electromagnetic latch to achieve its function.
  • the driving portion and the locking portion of the electronic locking mechanism are mounted on the locking portion mounting member 47 or directly on the printer housing through the mounting portion on the housing 41, and the locking tongue 48 is mounted on the printer.
  • the driving portion and the locking portion may be mounted on the door, and the locking tongue is mounted on the printer casing, and is not specifically limited herein.
  • the bolt 48 When the bolt 48 enters the slider 44, it will contact the first sensor 45 of the position sensing module, and the first sensor 45 feeds back the door closing signal; when the bolt 48 is further locked, the slider 44 presses The second sensor 46, the second sensor 46 feeds back the lock signal.
  • the printer nozzle it is necessary to ensure that both sensors feedback the shutdown signal. Once any sensor status changes (ie, lock slamming, or door snoring), the printing process will be stopped to ensure safety.
  • the electronic locking mechanism further includes a bolt fixing member 49, and the other end of the bolt 48 is axially coupled to the bolt fixing member 49 via the rotating shaft 48b and the interface 49a.
  • the lock tongue 48 is rotatable about the rotation shaft 48b.
  • the slider has a second inlet and outlet 44c, and a corresponding notch is also provided on the casing 2b of the casing.
  • the above-mentioned safety protection system further includes a protection member for shielding the nozzle at a position where the printer nozzle is in a safe position.
  • the protection member is a baffle.
  • the bezel is mounted on the printer housing and in a safe location near the printer nozzle. When the printer nozzle is in a safe position, the bezel can shield the printer nozzle to prevent the person from touching the nozzle and causing burns.
  • the baffle is located below the printer head and close to the printer head, and the gap between the head and the head is small to shield the nozzle.
  • the baffle in order to further reduce the gap between the baffle and the head to achieve a better shielding effect, is provided with a concave channel for the nozzle to return to safety. The position is passed.
  • the baffle can also be designed in a corrugated shape, and the corrugated recess corresponds to the nozzle position. Of course, it can also be designed into other shapes that can realize its function, and will not be described here.
  • the above protective member is designed as a box.
  • the casing 5 is provided with a connecting member for assembling the casing 5 to the printer casing, and the connecting member is a convex buckle 52 respectively provided on opposite sides of the casing.
  • the buckle 52 is used for inserting and fixing a corresponding groove on the printer casing.
  • a groove 51 is formed in the mouth of the top of the casing 5, and the groove 51 matches the nozzle of the printer head to serve as a passage for the head to enter and exit with respect to the casing.
  • the connecting member for fixing the box body to the printer box in the embodiment is not limited to the fixing manner of the protruding clip, and other methods such as fixing the bracket may be used, and the like. According to the needs of use The box is mounted to any location on the printer cabinet.
  • the bottom end of the casing 5 is integrally provided with a residue collection box 6 for holding the material remaining in the nozzle.
  • a residue collection box 6 for holding the material remaining in the nozzle.
  • the 3D printer is a melt-extruded 3D printer, including a case 1 , and the case 1 is provided with a closable printer case door 2, a printer head 3 is disposed in the cabinet 1.
  • the cabinet door at the printer nozzle in FIG. 5 is not shown.
  • the cabinet door 2 and the cabinet 1 are integrally formed to protect the interior of the cabinet. Component; For the same reason, the cabinet door in Figure 6 is not shown, but should not be considered to be non-existent.
  • a control center (not shown) for controlling the operation of the printer head is also provided in the casing 1, and the printer head 3 has at least one safe position.
  • This safe position is the position where the printer head is reset or other position, which is generally the position where the printer is stopped when the printer is stopped.
  • the electronic locking mechanism 4 is disposed on the printer casing 1 and corresponds to the printer cabinet door 2 so that the printer cabinet door 2 can be locked or unlocked, and only after unlocking , the printer cabinet door 2 can be used for snoring.
  • the control module of the safety protection system is connected to the above control center. In operation, the control center starts the printer nozzle ⁇ , and the nozzle will work when the safety signal from the control module is confirmed. On the other hand, after receiving the alarm signal from the control module, the control center controls the printer nozzle to stop working and move to a safe position, thereby ensuring that the nozzle is working, no one may touch the nozzle to cause burns, or interfere with the nozzle operation.
  • the case 5 as a protective member is mounted on the case 1, and when the printer head 3 is in the safe position, the mouth of the case 5 corresponds to the head to shield the nozzle 31.
  • the groove 51 at the mouth of the casing 5 can be passed through the nozzle 31 when the head is returned to a safe position.
  • the residue collection box 6 disposed in the body of the casing 5 can collect the materials remaining in the nozzle to prevent the residual material in the nozzle from flowing out.

Abstract

L'invention concerne un système de protection de sécurité pour une imprimante 3D, utilisé pour fournir une protection pour une buse d'imprimante 3D (3). Le système comprend : un mécanisme de verrouillage électronique (4) utilisé pour verrouiller ou déverrouiller une porte d'armoire d'imprimante (2) ; un premier capteur (45) utilisé pour détecter si la porte d'armoire d'imprimante (2) est ouverte, et générer un signal d'ouverture/fermeture lors de l'ouverture/fermeture de la porte d'armoire d'imprimante (2) ; et un module de commande connecté au mécanisme de verrouillage électronique (4) et au premier capteur (45). Le module de commande est utilisé pour amener, lors de la réception du signal de fermeture, le mécanisme de verrouillage électronique (4) à se verrouiller et générer un signal de sécurité, et pour générer, lors de la réception du signal ouvert, un signal d'alarme et terminer le fonctionnement de la buse d'imprimante (3) et déplacer la buse d'imprimante vers une position de sécurité. Le système de protection de sécurité de la présente invention réalise une protection de sécurité de la buse d'imprimante (3), empêche les brûlures provoquées par la buse (3), et protège également la buse (3) de toute force externe pendant le fonctionnement de l'imprimante.
PCT/CN2016/112310 2016-12-16 2016-12-27 Système de protection de sécurité pour imprimante 3d WO2018107518A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201611165931.2A CN106808693B (zh) 2016-12-16 2016-12-16 一种3d打印机安全防护系统
CN201611165931.2 2016-12-16

Publications (1)

Publication Number Publication Date
WO2018107518A1 true WO2018107518A1 (fr) 2018-06-21

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Country Status (2)

Country Link
CN (1) CN106808693B (fr)
WO (1) WO2018107518A1 (fr)

Cited By (1)

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CN112659542A (zh) * 2020-12-03 2021-04-16 天津大学 一种基于WiFi的3D打印机位置监测报警装置

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CN109421265A (zh) * 2017-08-31 2019-03-05 三纬国际立体列印科技股份有限公司 具有门锁结构的3d打印机
CN107942902A (zh) * 2017-11-20 2018-04-20 上海航天设备制造总厂 金属熔化增材制造设备的开门控制系统
CN109014195B (zh) * 2018-08-09 2021-01-01 上海航天设备制造总厂有限公司 一种用于激光选区熔化设备的安全控制系统及其控制方法

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CN205097554U (zh) * 2015-10-23 2016-03-23 郭皓 3d打印防拉丝装置
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Publication number Priority date Publication date Assignee Title
WO2015127271A1 (fr) * 2014-02-20 2015-08-27 Dmg Mori Advanced Solutions Development Tête de traitement pour un centre de fabrication additif/soustractif hybride
CN106142547A (zh) * 2015-03-11 2016-11-23 宁波高新区方元三维科技有限公司 一种wifi连接使用的3d打印机
CN104875392A (zh) * 2015-05-30 2015-09-02 湖北嘉一科技有限公司 一种3d打印机的防伤害仓门自动锁闭控制系统及控制方法
CN205097554U (zh) * 2015-10-23 2016-03-23 郭皓 3d打印防拉丝装置
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112659542A (zh) * 2020-12-03 2021-04-16 天津大学 一种基于WiFi的3D打印机位置监测报警装置

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CN106808693A (zh) 2017-06-09

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