CN105014959B - 3D printer breakpoint continues the method and 3D printer beaten - Google Patents

3D printer breakpoint continues the method and 3D printer beaten Download PDF

Info

Publication number
CN105014959B
CN105014959B CN201410149877.7A CN201410149877A CN105014959B CN 105014959 B CN105014959 B CN 105014959B CN 201410149877 A CN201410149877 A CN 201410149877A CN 105014959 B CN105014959 B CN 105014959B
Authority
CN
China
Prior art keywords
printer
print
printing
control
time
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201410149877.7A
Other languages
Chinese (zh)
Other versions
CN105014959A (en
Inventor
夏青
乔英杰
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.)
Shanghai Zhiwei Robot Co Ltd
Original Assignee
Shanghai Zhiwei Robot 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 Shanghai Zhiwei Robot Co Ltd filed Critical Shanghai Zhiwei Robot Co Ltd
Priority to CN201410149877.7A priority Critical patent/CN105014959B/en
Publication of CN105014959A publication Critical patent/CN105014959A/en
Application granted granted Critical
Publication of CN105014959B publication Critical patent/CN105014959B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The invention provides a kind of 3D printer breakpoint continues the method beaten, including:(1)After receiving the control signal of time-out printing, stop reading print command, and performed the instruction in main controller internal buffer;(2)The current status information of storage printer and check information;(3)Control printing mechanism displacement, and close heater;(4)After receiving the control signal for continuing to print, the status information and check information are read, data check is carried out, if verification passes through, continue to read print command;(5)Control printing mechanism resets, and continues to print.Methods described realizes that intelligent breakpoint is continuous to be beaten, and simplifies the control mode of 3D printer, time-consuming and material cost.By storing status information when suspending, realization can continue to print after cycle power;After time-out, printing mechanism can leave breakpoint in time, not have material residues;By continuing the slow speed-raising after printing, optimize that breakpoint is continuous to beat quality.

Description

3D printer breakpoint continues the method and 3D printer beaten
Technical field
The present invention relates to 3D printing Rapid Prototyping technique field, more particularly to one kind enables 3D printer to continue after time-out The 3D printer breakpoint of printing continues the method beaten.
Background technology
3D printing is the very long process of a comparison, if time-out printing is needed in print procedure, existing 3D printing skill Art can only determine the position of breakpoint when mimeograph documents are generated.And breakpoint location is once it is determined that get off, the time-write interval cannot Change, therefore motility is very low, can only stop in specific height;And need to generate two mimeograph documents.When user wants to face When time-out printing when printer head can stay in current position, and continuous heating printed material, cause printed material to belong to Sexually revise, and the printed material remained during shower nozzle can be stacked, though continue at once to print after suspending can also stay one piece it is spherical Printed material, affect end product quality, needs to process to which in the later stage, increase process time and cost of labor.
In prior art, if encounter during printing and needing to close power supply or needing situation about suspending, need Manual modification file, or have to print again.But manual modification file needs senior engineer complete again, And the effect for printing can be affected to a certain extent;Again print, increased time and material cost.
The content of the invention
It is an object of the present invention to be directed to that 3D printing in prior art is present cannot continue printing after time-out well Problem, there is provided a kind of 3D printer breakpoint continues the method beaten, and continues printing function after the time-out for improving 3D printer, and intelligence is controlled 3D printer processed, makes printing head leave current location after time-out is printed, and prevents printed material residual;And after restart according to Printing can so be automatically continued.
For achieving the above object, the invention provides a kind of 3D printer breakpoint continues the method beaten, including:(1)Receive temporary After stopping the control signal for printing, stop reading print command, and performed the instruction in main controller internal buffer;(2)Storage The current status information of printer and check information;(3)Control printing mechanism displacement, and close heater;(4)Receive and continue After the control signal of printing, the status information and check information are read, data check is carried out, if verification passes through, continued Read print command;(5)Control printing mechanism resets, and continues to print.
Methods described is further included:Time-out printing instruction is received by button and continues print command.
Further, the check information is according to print command and prints time-out position generation.
Step(3)Further include that controlling print platform declines and make printed material bounce back.
The print command is stored in external memory storage.Step(2)The current status information of middle printer and verification Information Store is internally in memorizer.Step(4)Further include that the check information that will be stored in internal storage is deposited with outside In reservoir, type information is compared, if type information does not change in external memory storage, data check passes through.
Step(5)Further include that the print speed for controlling the ground floor that continuation is printed is less than print speed before time-out, with And the fan of control 3D printer is with less than the rotating speed operation before suspending, and rotation speed of the fan and print speed are successively improved to temporary Stop front state.Step(5)Further include that the print speed for controlling the ground floor that continuation is printed is to suspend front print speed 20%, and control the fan closing of 3D printer.
For achieving the above object, present invention also offers a kind of 3D printer, including main controller and memory module, it is described Main controller includes receiving unit, control unit and verification unit;The receiving unit is used to receive external control signal, wherein External control signal includes the control signal of time-out printing and continues the control signal for printing;Described control unit is connect with described Receive unit to be connected, the control signal of the time-out printing for being received according to the receiving unit, control printer stops reading to be beaten Print instruction, and the instruction in main controller internal buffer has been performed, control signal is sent afterwards to the memory module and is controlled Printing mechanism shifts and closes heater, and the continuation that described control unit is further used for being received according to the receiving unit is beaten The control signal of print, sends control signal to the verification unit, takes print command by follow-up resuming studies in verification, and control is beaten Printing mechanism resets and continues to print;The memory module is connected with described control unit, for the control signal according to control unit The current status information of printer and check information during storage time-out printing;The verification unit respectively with described control unit And memory module is connected, enter line number for the check information in the memory module being read according to the control signal of control unit According to verification, and check results are sent to described control unit.
It is an advantage of the current invention that:By Based Intelligent Control 3D printer, realize that intelligent breakpoint is continuous to be beaten, simplify 3D and beat The control mode of print machine, time-consuming and material cost.By storing status information when suspending, the energy after cycle power is realized Enough functions of continuing to print;Breakpoint is left in time can including the printing mechanism including shower nozzle after time-out, it is ensured that do not have material It is remaining;By continuing the slow speed-raising after printing, optimize breakpoint and continue the quality beaten.
Description of the drawings
Fig. 1, the flow chart that 3D printer breakpoint of the present invention continues the method beaten;
Fig. 2, the configuration diagram of 3D printer of the present invention;
Fig. 3-6,3D printer breakpoint described in one embodiment of the invention continue the operation principle schematic diagram of the method beaten.
Specific embodiment
Continue the method beaten to the 3D printer breakpoint that the present invention is provided below in conjunction with the accompanying drawings to elaborate.
With reference to Fig. 1, the flow chart that 3D printer breakpoint of the present invention continues the method beaten, next to the step shown in Fig. 1 Suddenly elaborate.
S11:After receiving the control signal of time-out printing, stop reading print command, and performed main controller internal damping Instruction in area.
Show on the display of 3D printer including the menu including " time-out printing " option, user is by button in dish After " time-out printing " option confirmation are selected on list, the control signal of time-out printing is sent;That is, can be in any print position Time-out printing process.After the main controller of 3D printer receives the control signal of time-out printing, stop first reading print command, and The instruction in main controller internal buffer is performed.
As print command is typically long, need to take larger memory space, and the internal storage space of 3D printer It is relatively small, therefore, it can the print command is stored in external memory storage, be such as stored in the storage such as SD card, USB flash disk and set In standby;When needing to print, connect external memory storage.
S12:The current status information of storage printer and check information.
Perform in internal buffer after instruction, the status information current to printer(Including print command breakpoint location, The information such as printer height, position during time-out)Stored;And according to print command and print time-out position generation verification letter Cease and store.Even if now 3D printer power supply is cut off the loss for also not resulting in print data.The current state of printer Information and check information can be stored in the internal storage of 3D printer, with when continuation printing is started, by verification Information guarantees that print command does not change.
S13:Control printing mechanism displacement, and close heater.
Heater is removed including the printing mechanism including shower nozzle and is closed after time-out printing, effectively can be prevented to printed material Continuous heating and stacking shower nozzle in the printed material that remains.Printing mechanism can be moved near printer edge frame Or the initial position before printing starts is returned to, so that it is guaranteed that shower nozzle keeps a distance with printed product after suspending.Can also control Print platform declines and makes printed material bounce back, and is further ensured that the material for not having remnants is impacted to printed product.
Methods described can also include:By display display halt successful information, so as to user timely, intuitively understand it is disconnected Point is continuous beat carry out situation.
S14:After receiving the control signal for continuing to print, the status information and check information are read, data school is carried out Test, if verification passes through, continue to read print command.
" continuing to print " option can be increased on menu shown by display in 3D printer newly, by button in menu After upper selection " continuing to print " option confirmation, the control signal for continuing to print is sent;When the main controller of 3D printer is received After continuing the control signal for printing, start and continue print execution program, read the state letter of the printer stored during time-out printing Breath and check information, carry out data check, if data check passes through, continue to read print command.
In order to prevent type information from being changed or lose, needs carry out data check to type information according to check information, Before comparing relative to time-out, whether the print command content in type information changes.If check information is stored in storage inside In device, print command is stored in external memory storage, can be after check information is read from internal storage, with external storage In device, type information is compared, and to ensure that type information does not change in external memory storage, print command correctly can be performed. For example, in time-out printing, can be next of external memory storage instruction such as " G1 X107.171 Y91.385 " and its place Position as check information store in internal storage;Read on relevant position from external memory storage when continuing to print Data, if or " G1 X107.171 Y91.385 ", verify and pass through;Print if not just stopping, and point out " outside Memory data is damaged ".
S15:Control printing mechanism resets, and continues to print.
Controlled motor drives position when making printing mechanism be moved to time-out to continue to print, and so far, that is, realizes in any position Put intelligent time-out printing and the breakpoint that continues to print is continuous beat function, and time-out after shower nozzle leave breakpoint in time, it is ensured that will not There is the Effect of Materials end product quality of remnants.
Used as preferred embodiment, methods described further includes that the print speed for controlling the ground floor that continuation is printed is low The print speed before suspending, and the fan of control 3D printer is to run less than the rotating speed before suspending, and successively improve fan The rotating speed and print speed state to before suspending.By continuing the slow speed-raising after printing, optimize breakpoint and continue the quality beaten.Its In, the print speed that can control the ground floor that continuation is printed is suspend front print speed 20%, and controls the wind of 3D printer Fan is closed;Rotation speed of the fan and print speed are improved afterwards successively, until recovering normal speed.
The method of the invention has been expanded existing 3D printer well and has suspended and continued the function of printing, and realizes intelligence Breakpoint it is continuous beat, simplify the control mode of 3D printer, time-consuming and material cost.By storing state letter when suspending Breath, realization can continue to the function of printing after cycle power;Can leave in time including the printing mechanism including shower nozzle after time-out Breakpoint, it is ensured that do not have material residues;By continuing the slow speed-raising after printing, optimize breakpoint and continue the quality beaten.
With reference to Fig. 2, the configuration diagram of 3D printer of the present invention;The 3D printer includes main controller 21 and deposits Storage module 22.The main controller 21 includes receiving unit 211, control unit 212 and verification unit 213.
The receiving unit 211 is used to receive external control signal, and wherein external control signal includes the control of time-out printing The control signal that signal processed and continuation are printed.User can be by the button of 3D printer, rendering preferences over the display " time-out printing " option or " continuing to print " are selected on menu, external control signal is sent.
Described control unit 212 is connected with the receiving unit 211, temporary for what is received according to the receiving unit 211 Stop the control signal for printing, control printer stops reading print command, and has performed the finger in 21 internal buffer of main controller Order, sends control signal afterwards to the memory module 22, and controls printing mechanism 29 and shift and close heater;The control Unit processed 212 is further used for the control signal printed according to the continuation that the receiving unit 211 is received, and sends control signal extremely The verification unit 213, takes print command by follow-up resuming studies in verification, and controls the reset continuation printing of printing mechanism 29.
Used as preferred embodiment, described control unit 212 is further used for beating for the ground floor that control continuation is printed Print-out rate is less than print speed before time-out, and the fan of control 3D printer is to run less than the rotating speed before suspending, and successively Improve the rotation speed of the fan and print speed state to before suspending.By continuing the slow speed-raising after printing, optimize that breakpoint is continuous to be beaten Quality.Wherein it is possible to the print speed for controlling the ground floor that continuation is printed is suspend front print speed 20%, and control 3D The fan of printer cuts out;Rotation speed of the fan and print speed are improved afterwards successively, until recovering normal speed.
The memory module 22 is connected with described control unit 212, for being stored according to the control signal of control unit 212 The current status information of printer and check information during time-out printing.The memory module 22 can be connected to control signal Afterwards, check information is generated according to print command and printing time-out position, it is with when continuation printing is started, true by check information Protect print command not change.
The verification unit 213 is connected with described control unit 212 and memory module 22 respectively, for single according to control The check information that the control signal of unit 212 is read in the memory module 22 carries out data check, and sends check results to institute State control unit 212.If verification passes through, the control printer of control unit 212 continues to read print command;Otherwise, illustrate to beat Print instruction changes, and does not perform continuation print command, and can remind user.
An embodiment is given below in conjunction with accompanying drawing 3-6, the work of the method beaten is continued to 3D printer breakpoint of the present invention Illustrate as principle.Wherein, flow charts of the Fig. 3 for the present embodiment time-out printing;Fig. 4 is the corresponding 3D of embodiment illustrated in fig. 3 Printer operation schematic diagram;Fig. 5 is the flow chart that the present embodiment continues to print;Fig. 6 is the corresponding 3D printing of embodiment illustrated in fig. 5 Machine operation schematic diagram.
With reference to Fig. 3-4, the interactive mode of compatible existing 3D printer in man-machine interaction, during 3D printing, If desired time-out printing, only need to be by button in display(Label 41 in Fig. 4)" time-out printing " is chosen in shown menu (Process 31 as shown in Figure 3);After selecting time-out printing, main controller can obtain instruction from menu(Process 32 as shown in Figure 3), Or instruction is obtained by reading key information;Main controller stops the print command of reading external memory(Process as shown in Figure 3 33), and the instruction of internal buffer has been performed(Process 34 as shown in Figure 3), afterwards, store the current status information of printer With check information to internal storage(Process 35 as shown in Figure 3);Main controller controlled motor drives and makes printing head(Fig. 4 gets the bid Numbers 42)The direction rapid traverse as shown in label in Fig. 4 43(Process 36 as shown in Figure 3), printing initial position can be moved to;Together Shi Pingtai(Label 44 in Fig. 4)Decline, and make material direction retraction as shown in label in Fig. 4 45, and close heater(Fig. 4 Middle label 46)(Process 37 as shown in Figure 3);By display display halt successful information(Process 38 as shown in Figure 3), it is also possible to Current state is shown by display.Even if now cutting off the loss that 3D printer power supply does not result in print data yet.
With reference to Fig. 5-6, if desired continue to print, open 3D printer power supply, only need to be by button in display(In Fig. 6 Label 61)" continuing to print " is chosen in shown menu(Process 51 as shown in Figure 5), after selecting to continue to print, main controller can So that instruction is obtained from menu(Process 52 as shown in Figure 5), or instruction is obtained by reading key information;Main controller is deposited from inside The printer modes information stored when reading time-out printing in reservoir and check information(Process 53 as shown in Figure 5);By inside The check information of memory storage carries out data check with the content of external memory storage, it is ensured that the content in external memory storage does not have Change;If verification passes through, main controller reads print command from external memory storage(Process 54 as shown in Figure 5);Main controller is controlled Motor drive makes printing head(Label 62 in Fig. 6)The direction Rapid reset as shown in label in Fig. 6 63, that is, move on to time-out front corresponding Position(Process 55 as shown in Figure 5), while platform rises, and material direction feeding as shown in label in Fig. 6 64 is made, starts to continue Print.The ground floor for continuing to print is printed with 20% speed, and closes fan;If improving rotation speed of the fan after printing dried layer Or rotating speed, and per layer of raising print speed are successively improved, until print speed returns to normal speed.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art Member, under the premise without departing from the principles of the invention, can also make some improvements and modifications, and these improvements and modifications also should be regarded as Protection scope of the present invention.

Claims (9)

1. a kind of 3D printer breakpoint continues the method beaten, it is characterised in that include:
(1), after receiving the control signal of time-out printing, stop reading print command, and performed in main controller internal buffer Instruction;
(2) the current status information of printer and check information are stored, wherein, the check information according to print command and Print time-out position to generate;
(3) printing mechanism displacement is controlled, and closes heater;
(4), after receiving the control signal for continuing to print, the status information and check information is read, data check is carried out, if Verification passes through, then continue to read print command;
(5) control printing mechanism to reset, continue to print.
2. 3D printer breakpoint according to claim 1 continues the method beaten, it is characterised in that methods described is further wrapped Include:The control signal of time-out printing is received by button and continues the control signal for printing.
3. 3D printer breakpoint according to claim 1 continues the method beaten, it is characterised in that step (3) is further included Control print platform declines and makes printed material bounce back.
4. 3D printer breakpoint according to claim 1 continues the method beaten, it is characterised in that the print command is stored in In external memory storage.
5. 3D printer breakpoint according to claim 4 continues the method beaten, it is characterised in that in step (2), printer is worked as Front status information and check information are stored in internal storage.
6. 3D printer breakpoint according to claim 5 continues the method beaten, it is characterised in that step (4) is further included The check information stored in internal storage is compared with type information in external memory storage, if printing in external memory storage Information does not change, then verification passes through.
7. 3D printer breakpoint according to claim 1 continues the method beaten, it is characterised in that step (5) is further included Control continues the print speed of the ground floor for printing and is less than print speed before time-out, and the fan of control 3D printer to be less than Rotating speed operation before time-out, and successively improve the rotation speed of the fan and print speed state to before suspending.
8. 3D printer breakpoint according to claim 7 continues the method beaten, it is characterised in that step (5) is further included The print speed for controlling the ground floor that continuation is printed is suspend front print speed 20%, and controls the fan pass of 3D printer Close.
9. a kind of 3D printer, it is characterised in that including main controller and memory module, the main controller include receiving unit, Control unit and verification unit;
The receiving unit is used to receive external control signal, wherein external control signal include the control signal of time-out printing with And continue the control signal for printing;
Described control unit is connected with the receiving unit, the control letter of the time-out printing for being received according to the receiving unit Number, control printer stops reading print command, and has performed the instruction in main controller internal buffer, sends control letter afterwards Number to the memory module, and control printing mechanism displacement and close heater, described control unit is further used for basis The control signal that the continuation that the receiving unit is received is printed, sends control signal to the verification unit, after verification passes through Continue to read print command, and control printing mechanism reset and continue to print;
The memory module is connected with described control unit, is beaten during for storing time-out printing according to the control signal of control unit The current status information of print machine and check information, wherein, the check information is according to print command and prints time-out position Generate;The verification unit is connected with described control unit and memory module respectively, for being believed according to the control of control unit Number check information read in the memory module carries out data check, and sends check results to described control unit.
CN201410149877.7A 2014-04-15 2014-04-15 3D printer breakpoint continues the method and 3D printer beaten Active CN105014959B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410149877.7A CN105014959B (en) 2014-04-15 2014-04-15 3D printer breakpoint continues the method and 3D printer beaten

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410149877.7A CN105014959B (en) 2014-04-15 2014-04-15 3D printer breakpoint continues the method and 3D printer beaten

Publications (2)

Publication Number Publication Date
CN105014959A CN105014959A (en) 2015-11-04
CN105014959B true CN105014959B (en) 2017-03-29

Family

ID=54405426

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410149877.7A Active CN105014959B (en) 2014-04-15 2014-04-15 3D printer breakpoint continues the method and 3D printer beaten

Country Status (1)

Country Link
CN (1) CN105014959B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105946227B (en) * 2016-04-27 2018-03-16 深圳市七号科技有限公司 It is a kind of to continue the 3D printer and Method of printing for beating function with given layer
CN110281345B (en) * 2019-06-13 2021-08-13 中国建筑第八工程局有限公司 Building 3D printing line width compensation method and system
CN112622261B (en) * 2020-11-06 2021-11-19 西安交通大学 Breakpoint continuous printing method of surface exposure 3D printing equipment
CN113119452A (en) * 2021-04-25 2021-07-16 无锡科技职业学院 Heating device for be used for FDM type 3D printer breakpoint continuous transmission

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000070441A (en) * 1997-01-23 2000-11-25 선스타 기켄 가부시키가이샤 Two-pack urethane foam composition, and two-pack urethane foam composition packing apparatus and method
JPH10291256A (en) * 1997-04-22 1998-11-04 Oki Data:Kk Method for restraining change of optically shaped article with time
CN203293543U (en) * 2013-06-08 2013-11-20 西安非凡士机器人科技有限公司 Automatic material changing device of 3D (three-dimensional) printing machine
CN203527893U (en) * 2013-09-30 2014-04-09 河南良益机电科技有限公司 High speed desk-top 3D (Three-Dimensional) printer

Also Published As

Publication number Publication date
CN105014959A (en) 2015-11-04

Similar Documents

Publication Publication Date Title
CN105014959B (en) 3D printer breakpoint continues the method and 3D printer beaten
CN105313327B (en) 3D printer, and printing material control method thereof
CN105005454B (en) The method and 3D printer of 3D printer setting height printing
CN105014957B (en) The method of 3D printer and its controlling cashier power-cut-off contiuous printing
JP4576964B2 (en) Label producing apparatus, program, and recording medium
JP2003094757A5 (en)
US10156838B2 (en) Gear cutting machine
JP2007316690A (en) Label preparation device
CN105751516A (en) 3D printer with power failure continuous printing function and printing method
JP6500809B2 (en) Printing device
US20120206736A1 (en) Printer that prints with increased visibility, printing method and storage medium
JP2010224703A (en) Information processing apparatus, tape printer, and program
JP5475578B2 (en) Ink jet recording apparatus and control method thereof
JP2011068084A (en) Printer and printer controlling method
CN205230368U (en) Equipment operation monitoring and controlling device based on thing networking
JP4968217B2 (en) Label data creation device, program, and recording medium
JP2001113792A (en) Medium storing maintenance guide program of printer, maintenance guide apparatus and method for printer
JP6135911B2 (en) Printing apparatus, pattern recognition method, and pattern recognition control program
JP2005212196A (en) Tape printing device
JP2010131843A (en) Image forming apparatus
JP2008090966A (en) Media processor and control method of media processor
JP6541369B2 (en) Data processing apparatus for processing data in memory, data processing method, and program
JP2003177902A (en) Medium where maintenance guide program for pc peripheral equipment is recorded, maintenance guide device for pc peripheral equipment, and maintenance guide method for pc peripheral equipment
JPH02120060A (en) Printer controlling device
JP5098697B2 (en) Label data creation device, program, and recording medium

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
CB02 Change of applicant information

Address after: 201203 601A, 601B, 602A room, block A, bright road, No. 112, Shanghai Free Trade Zone

Applicant after: SHANGHAI DFROBOT CO.,LTD.

Address before: 201203 Shanghai city Pudong New Area Jing Road No. 498 room 9501

Applicant before: Shanghai Zhiwei Robot Co.,Ltd.

COR Change of bibliographic data
GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: 3D printer breakpoint continuous-printing method and 3D printer

Effective date of registration: 20181102

Granted publication date: 20170329

Pledgee: Pudong Shanghai technology financing Company limited by guarantee

Pledgor: SHANGHAI DFROBOT CO.,LTD.

Registration number: 2018310000068

PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20190715

Granted publication date: 20170329

Pledgee: Pudong Shanghai technology financing Company limited by guarantee

Pledgor: SHANGHAI DFROBOT CO.,LTD.

Registration number: 2018310000068

PC01 Cancellation of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: 3D printer breakpoint continuous-printing method and 3D printer

Effective date of registration: 20190718

Granted publication date: 20170329

Pledgee: Pudong Shanghai technology financing Company limited by guarantee

Pledgor: SHANGHAI DFROBOT CO.,LTD.

Registration number: 2019310000042

PE01 Entry into force of the registration of the contract for pledge of patent right
CP02 Change in the address of a patent holder

Address after: 200120 room 602 and 603, No.2 Boyun Road, Zhangjiang hi tech park, Pudong New Area, Shanghai

Patentee after: SHANGHAI DFROBOT Co.,Ltd.

Address before: 201203 601A, 601B, 602A room, block A, bright road, No. 112, Shanghai Free Trade Zone

Patentee before: SHANGHAI DFROBOT Co.,Ltd.

CP02 Change in the address of a patent holder
PC01 Cancellation of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20200807

Granted publication date: 20170329

Pledgee: Pudong Shanghai technology financing Company limited by guarantee

Pledgor: SHANGHAI DFROBOT Co.,Ltd.

Registration number: 2019310000042

PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: 3D printer breakpoint continuous printing method and 3D printer

Effective date of registration: 20200814

Granted publication date: 20170329

Pledgee: Pudong Shanghai technology financing Company limited by guarantee

Pledgor: SHANGHAI DFROBOT Co.,Ltd.

Registration number: Y2020980005040

PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20210708

Granted publication date: 20170329

Pledgee: Pudong Shanghai technology financing Company limited by guarantee

Pledgor: SHANGHAI DFROBOT Co.,Ltd.

Registration number: Y2020980005040

PC01 Cancellation of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: 3D printer breakpoint continuation method and 3D printer

Effective date of registration: 20210721

Granted publication date: 20170329

Pledgee: Pudong Shanghai technology financing Company limited by guarantee

Pledgor: SHANGHAI DFROBOT Co.,Ltd.

Registration number: Y2021310000051

PE01 Entry into force of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20220801

Granted publication date: 20170329

Pledgee: Pudong Shanghai technology financing Company limited by guarantee

Pledgor: SHANGHAI DFROBOT CO.,LTD.

Registration number: Y2021310000051

PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: The method of 3D printer breakpoint and continuous printing and 3D printer

Effective date of registration: 20220802

Granted publication date: 20170329

Pledgee: Pudong Shanghai technology financing Company limited by guarantee

Pledgor: SHANGHAI DFROBOT CO.,LTD.

Registration number: Y2022310000159

PC01 Cancellation of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20230706

Granted publication date: 20170329

Pledgee: Pudong Shanghai technology financing Company limited by guarantee

Pledgor: SHANGHAI DFROBOT CO.,LTD.

Registration number: Y2022310000159

PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: Method for 3D printer breakpoint continuation and 3D printer

Effective date of registration: 20230713

Granted publication date: 20170329

Pledgee: Pudong Shanghai technology financing Company limited by guarantee

Pledgor: SHANGHAI DFROBOT CO.,LTD.

Registration number: Y2023310000373

PC01 Cancellation of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Granted publication date: 20170329

Pledgee: Pudong Shanghai technology financing Company limited by guarantee

Pledgor: SHANGHAI DFROBOT CO.,LTD.

Registration number: Y2023310000373

PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: 3D printer breakpoint continuation method and 3D printer

Granted publication date: 20170329

Pledgee: Pudong Shanghai technology financing Company limited by guarantee

Pledgor: SHANGHAI DFROBOT CO.,LTD.

Registration number: Y2024310000864