阅读说明：本技术 一种能够自动更换雾化漏包的方法及装置 (method and device capable of automatically replacing atomization leaky packet ) 是由 肖志瑜 温利平 吴苑标 朱权利 陈进 于 2019-08-07 设计创作，主要内容包括：本发明公开了一种能够自动更换雾化漏包的方法及装置,包括：雾化室；移动导轨,所述移动导轨固定设置于所述雾化室的上端,所述移动导轨由电机控制运行；导液管,导液管的出口下端设置有雾化喷嘴；雾化漏包,所述雾化漏包的出口与所述导液管的入口衔接固定,若干个所述雾化漏包以及导液管连接形成的整体固定设置于所述移动导轨的轨道上,雾化漏包以及导液管连接形成的整体之间具有一定的间距；超声波收发装置,超声波收发装置固定设置于处于所述雾化室正上方的雾化漏包的上方。本发明能够在检测到导液管堵塞之后能够自动更换预留的雾化漏包,实用性很高。(The invention discloses a method and a device capable of automatically replacing an atomization skip packet, comprising the following steps: an atomization chamber; the movable guide rail is fixedly arranged at the upper end of the atomizing chamber and is controlled by a motor to operate; the lower end of the outlet of the liquid guide pipe is provided with an atomizing nozzle; the outlet of the atomizing leakage bag is fixedly connected with the inlet of the liquid guide pipe, the whole formed by connecting the plurality of atomizing leakage bags and the liquid guide pipe is fixedly arranged on the track of the movable guide rail, and a certain distance is reserved between the whole formed by connecting the atomizing leakage bags and the liquid guide pipe; and the ultrasonic receiving and transmitting device is fixedly arranged above the atomizing leakage bag right above the atomizing chamber. The invention can automatically replace the reserved atomization drain packet after detecting the blockage of the liquid guide pipe, and has high practicability.)

1. a device capable of automatically replacing an atomizing skip, comprising:

An atomization chamber for providing a location for metal atomization;

the movable guide rail is fixedly arranged at the upper end of the atomizing chamber and is controlled by a motor to operate;

The lower end of the outlet of the liquid guide pipe is provided with an atomizing nozzle;

The outlet of the atomizing leakage bag is fixedly connected with the inlet of the liquid guide pipe, the whole formed by connecting the plurality of atomizing leakage bags and the liquid guide pipe is fixedly arranged on the track of the movable guide rail, and a certain distance is reserved between the whole formed by connecting the atomizing leakage bags and the liquid guide pipe;

The ultrasonic receiving and transmitting device is fixedly arranged above the atomizing leaky packet which is positioned right above the atomizing chamber;

and the control module is electrically connected with the ultrasonic wave transmitting and receiving device and the motor and is used for controlling the motor to operate and processing the information acquired from the ultrasonic wave transmitting and receiving device.

2. the device for automatically replacing an atomizing nozzle bag as set forth in claim 1, wherein the outer surface of the liquid guide tube and the outlet of the atomizing nozzle bag are provided with mutually matching threads, and the atomizing nozzle bag and the liquid guide tube are fixed in a threaded connection manner.

3. The apparatus of claim 1, wherein the liquid guide tube is a graphite member and the atomizing nozzle is a corundum member.

4. The device for automatically replacing atomizing nozzle packs as claimed in claim 1, wherein said moving guide rail is further provided with a positioning structure at a position right above said atomizing chamber.

5. The device for automatically replacing atomizing nozzle bags as set forth in claim 4, wherein said positioning structure comprises 4 baffle plates, said baffle plates are fixedly disposed on the side walls of said moving guide rails through return springs.

6. the method for automatically replacing the atomizing skip bag is characterized in that the device for automatically replacing the atomizing skip bag is used, and comprises the following steps:

step 1, obtaining a waveform A generated by an ultrasonic transceiver when a liquid guide pipe and an atomizing leaky packet are not blocked;

step 2, starting the ultrasonic transceiver at regular intervals and acquiring a waveform diagram B generated at the current time;

step 3, preprocessing the graph A and the graph B, then performing image fitting on the preprocessed graph A and the preprocessed graph B, and calculating a fitting degree Q;

Step 4, judging whether the fitting degree Q is lower than a set threshold value;

Step 401, if not lower than the preset value, the control module judges that no blockage exists, and the device continues to normally operate;

And step 402, if the current value is lower than the preset value, the control module judges that the blockage exists, and controls the motor to drive the movable guide rail to replace the reserved atomization skip packet.

7. the method for automatically replacing atomizing leaky packet as claimed in claim 6, wherein the preprocessing in step 3 includes performing wavelet denoising processing on the acquired oscillograms A and B to acquire higher-precision oscillograms.

8. the method for automatically replacing atomizing nozzle packs as claimed in claim 6, wherein the method for calculating the fitting degree Q in the step 3 comprises the following steps:

step 801, graying A and B respectively;

Step 802, dividing the gray scale of the grayed image by 4;

Step 803, calculating the average gray value of the image;

Step 804, normalizing the size of the grayed image to 8 × 8;

Step 805, comparing 8 × 8 pixels of the image with the average gray value, if the pixel size is larger than 1, and the pixel size is smaller than 0, and then arranging the pixels into 64-bit 2-ary codes according to a certain sequence;

Step 806 compares the codes of FIG. A and FIG. B to calculate the degree of fit.

Technical Field

The invention relates to the field of powder metallurgy, in particular to a method and a device capable of automatically replacing an atomizing nozzle.

background

3D printing is a rapid prototyping technique, which is a technique that builds objects by layer-by-layer printing using bondable materials, such as powdered metal or plastic, based on digital model files.

3D printing apparatus usually includes the atomizing neglected packet, as middle neglected packet, when using and carrying out atomizing operation, the metal liquid of molten state will be through atomizing neglected packet and the catheter of being connected with atomizing neglected packet, however because factors such as the immaturity of technical level, the metal liquid of molten state probably solidifies rapidly at the catheter and leads to the catheter to be blockked up and then lead to whole atomizing process to break off, present conventional way is to carry out artificial inspection and change new atomizing neglected packet, so will lead to using the work load of the user of 3D printing to increase by a wide margin, also because the continuous interruption of printing process causes the waste on the energy to a certain extent, the user that the manual ability is relatively poor even can't change by oneself and need to stop work and wait for the repairman some, the loss that so causes is just bigger.

the market at present urgently needs a method and a device capable of automatically replacing an atomization skip pack, the blockage of a liquid guide pipe is detected in an automatic mode, and the reserved atomization skip pack is automatically replaced after the blockage is detected.

disclosure of Invention

the invention aims to overcome the defects of the prior art and provides a method and a device capable of automatically replacing an atomization skip packet, so that the effect of automatic quick replacement can be achieved.

in order to achieve the purpose, the invention adopts the following technical scheme:

A device capable of automatically replacing an atomizing nozzle comprises:

An atomization chamber for providing a location for metal atomization;

the movable guide rail is fixedly arranged at the upper end of the atomizing chamber and is controlled by a motor to operate;

the lower end of the outlet of the liquid guide pipe is provided with an atomizing nozzle;

the outlet of the atomizing leakage bag is fixedly connected with the inlet of the liquid guide pipe, the whole formed by connecting the plurality of atomizing leakage bags and the liquid guide pipe is fixedly arranged on the track of the movable guide rail, and a certain distance is reserved between the whole formed by connecting the atomizing leakage bags and the liquid guide pipe;

The ultrasonic receiving and transmitting device is fixedly arranged above the atomizing leaky packet which is positioned right above the atomizing chamber;

and the control module is electrically connected with the ultrasonic wave transmitting and receiving device and the motor and is used for controlling the motor to operate and processing the information acquired from the ultrasonic wave transmitting and receiving device.

furthermore, the outer surface of the liquid guide pipe and the outlet of the atomization leakage bag are provided with mutually matched threads, and the atomization leakage bag and the liquid guide pipe are fixed in a threaded connection mode.

Further, the liquid guide pipe is a graphite component, and the atomizing drain packet is a corundum component.

Furthermore, a positioning structure is arranged at the position of the movable guide rail right above the atomizing chamber.

Furthermore, location structure includes 4 baffles, the baffle pass through reset spring fixed set up in the lateral wall of moving guide.

The method for automatically replacing the atomizing skip package uses the device for automatically replacing the atomizing skip package, and comprises the following steps:

Step 1, obtaining a waveform A generated by an ultrasonic transceiver when a liquid guide pipe and an atomizing leaky packet are not blocked;

Step 2, starting the ultrasonic transceiver at regular intervals and acquiring a waveform diagram B generated at the current time;

step 3, preprocessing the graph A and the graph B, then performing image fitting on the preprocessed graph A and the preprocessed graph B, and calculating a fitting degree Q;

step 4, judging whether the fitting degree Q is lower than a set threshold value;

step 401, if not lower than the preset value, the control module judges that no blockage exists, and the device continues to normally operate;

And step 402, if the current value is lower than the preset value, the control module judges that the blockage exists, and controls the motor to drive the movable guide rail to replace the reserved atomization skip packet.

further, the preprocessing in step 3 includes performing wavelet denoising processing on the acquired oscillograms a and B to acquire a oscillogram with higher precision.

further, the method for calculating the fitting degree Q in the step 3 comprises the following steps:

step 801, graying A and B respectively;

Step 802, dividing the gray scale of the grayed image by 4;

step 803, calculating the average gray value of the image;

step 804, normalizing the size of the grayed image to 8 × 8;

step 805, comparing 8 × 8 pixels of the image with the average gray value, if the pixel size is larger than 1, and the pixel size is smaller than 0, and then arranging the pixels into 64-bit 2-ary codes according to a certain sequence;

Step 806 compares the codes of FIG. A and FIG. B to calculate the degree of fit.

The invention has the beneficial effects that: the invention judges whether the atomization skip pack and the liquid guide pipe are blocked by an ultrasonic detection method, and the atomization skip pack is replaced by matching with the moving guide rail after the blockage is found, and the atomization skip pack is replaced by adopting an automatic mode, so that the waste of energy resources caused by continuous interruption of the printing process and the loss caused by engineering delay caused by no replacement of the atomization skip pack by a 3D printer can be avoided.

drawings

FIG. 1 is a schematic view of an apparatus for automatically replacing an atomizing nozzle of the present invention;

FIG. 2 is a schematic view of a positioning structure of an apparatus for automatically replacing an atomizing nozzle of the present invention;

fig. 3 is a flow chart of a method for automatically replacing an atomizing nozzle of the present invention.

Detailed Description

The conception, the specific structure and the technical effects of the present invention will be clearly and completely described in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the schemes and the effects of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The same reference numbers will be used throughout the drawings to refer to the same or like parts.

fig. 1 shows a device capable of automatically replacing an atomizing nozzle, comprising:

an atomization chamber 100 for providing a location for metal atomization;

the movable guide rail 200 is fixedly arranged at the upper end of the atomization chamber 100, and the movable guide rail 200 is controlled by a motor to operate;

a liquid guide pipe 300, wherein the lower end of the outlet of the liquid guide pipe 300 is provided with an atomizing nozzle 310;

The outlet of the atomizing nozzle 400 is fixedly connected with the inlet of the liquid guide pipe 300, the whole formed by connecting the plurality of atomizing nozzle 400 and the liquid guide pipe 300 is fixedly arranged on the track 210 of the movable guide rail 200, and a certain distance is reserved between the whole formed by connecting the atomizing nozzle 400 and the liquid guide pipe 300; considering that the material of the atomizing tip pack 400 is more expensive, only 2-4 atomizing tip packs are usually provided, and more machines particularly required to ensure the efficiency can be provided, and the number of atomizing tip packs is 3, and the distance between the adjacent atomizing tip packs is 10 cm. In addition, a base 500 is additionally arranged at the atomizing nozzle 400 and the liquid guide tube 300, the base 500 is fixedly arranged on the track of the moving guide rail 200, and the atomizing nozzle 310 is arranged on the base 500, which is just an embodiment, and the specific structure of the base 500 can be set according to the actual situation as long as the base 500 can be conveniently connected with the atomizing nozzle 310.

The ultrasonic receiving and transmitting device 600 is fixedly arranged above the atomizing leaky packet 400 which is positioned right above the atomizing chamber; generally, a rack structure of the 3D printer is arranged above the atomization chamber 100, and only the ultrasonic transceiver 600 needs to be installed on the rack structure, or if not, a structure is artificially welded at a reasonable position of the rack to fix the ultrasonic transceiver 600. The ultrasonic transceiver 600 is electrically connected to the control module.

and the control module is electrically connected with the ultrasonic wave transceiver 600 and the motor, and is used for controlling the motor to operate and processing information acquired from the ultrasonic wave transceiver 600.

When the atomization leakage package 400 is plugged, the motor can control the movable guide rail 200 to move, so that the smooth operation of the machine can be ensured by replacing a new atomization leakage package 400.

as a preferred embodiment of the present solution, the outer surface of the catheter 300 and the outlet of the atomizing nozzle 400 are provided with mutually matched threads, and the atomizing nozzle 400 and the catheter 300 are fixed in a threaded connection manner. Through threaded connection's mode, can be fast and closely combine together atomizing neglected packet 400 with catheter 300, quick effective and stable in structure, certainly also can adopt other connection forms, reasonable effective can.

In a preferred embodiment of the present invention, the liquid guide tube 300 is a graphite member, and the atomizing nozzle 400 is a corundum member. Because the corundum has the performances of high temperature resistance, corrosion resistance, high strength and the like, the corundum is very suitable for being used as an atomizing drain ladle; the graphite has the advantages of high temperature resistance, good electric and thermal conductivity, lubricity, chemical stability, plasticity, thermal shock resistance and the like, so the graphite is very suitable for being used as a catheter.

with reference to fig. 2, as a preferred embodiment of the present disclosure, the moving rail 200 is further provided with a positioning structure 700 at a position directly above the atomizing chamber 100. The positioning structure 700 comprises 4 baffles, and the baffles are fixedly arranged on the side wall of the movable guide rail through return springs. Through setting up a location structure 700, can be when needing to change the atomizing and leak the package more accurate with the position fixing of new atomizing and leak the package, this also has increased the precision of device to a certain extent to adopt the form of 4 baffles, set up respectively in the position of 4 equi divide points of atomizing and leak package 400, can make the atomizing leak the package atress more even, fixed more surely.

with reference to fig. 3, a method for automatically replacing an atomizing skip includes the following steps:

step 1, obtaining a waveform A generated by an ultrasonic transceiver when a liquid guide pipe and an atomizing leaky packet are not blocked;

step 2, starting the ultrasonic transceiver at regular intervals and acquiring a waveform diagram B generated at the current time;

Step 3, preprocessing the graph A and the graph B, then performing image fitting on the preprocessed graph A and the preprocessed graph B, and calculating a fitting degree Q;

Step 4, judging whether the fitting degree Q is lower than a set threshold value; the set threshold value can be measured and calculated according to the accuracy of specific products, and the like, so that the atomization leakage package and the catheter blockage can be judged in a proper time. The selected threshold for this scheme is 90%.

Step 401, if not lower than the preset value, the control module judges that no blockage exists, and the device continues to normally operate;

and step 402, if the current value is lower than the preset value, the control module judges that the blockage exists, and controls the motor to drive the movable guide rail to replace the reserved atomization skip packet.

Further, the preprocessing in step 3 includes performing wavelet denoising processing on the acquired oscillograms a and B to acquire a oscillogram with higher precision. The acquired waveform is optimized by a wavelet denoising method, the accuracy of blockage judgment can be improved to a certain extent, and the modes of Fourier transform, denoising and the like can be adopted.

further, the method for calculating the fitting degree Q in the step 3 comprises the following steps:

step 801, graying A and B respectively;

step 802, dividing the gray scale of the grayed image by 4;

step 803, calculating the average gray value of the image;

Step 804, normalizing the size of the grayed image to 8 × 8;

step 805, comparing 8 × 8 pixels of the image with the average gray value, if the pixel size is larger than 1, and the pixel size is smaller than 0, and then arranging the pixels into 64-bit 2-ary codes according to a certain sequence;

step 806 compares the codes of FIG. A and FIG. B to calculate the degree of fit.

the method adopts the algorithm to calculate the fitting degree Q, and certainly, the method can also be used in other modes as long as the fitting degree Q can be calculated more accurately.

While the present invention has been described in considerable detail and with particular reference to a few illustrative embodiments thereof, it is not intended to be limited to any such details or embodiments or any particular embodiments, but it is to be construed as effectively covering the intended scope of the invention by providing a broad, potential interpretation of such claims in view of the prior art with reference to the appended claims. Furthermore, the foregoing describes the invention in terms of embodiments foreseen by the inventor for which an enabling description was available, notwithstanding that insubstantial modifications of the invention, not presently foreseen, may nonetheless represent equivalent modifications thereto.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiment, and the present invention shall fall within the protection scope of the present invention as long as the technical effects of the present invention are achieved by the same means. The invention is capable of other modifications and variations in its technical solution and/or its implementation, within the scope of protection of the invention.