CN114769756A - Electrolytic machining method, terminal and storage medium - Google Patents
Electrolytic machining method, terminal and storage medium Download PDFInfo
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- CN114769756A CN114769756A CN202210435581.6A CN202210435581A CN114769756A CN 114769756 A CN114769756 A CN 114769756A CN 202210435581 A CN202210435581 A CN 202210435581A CN 114769756 A CN114769756 A CN 114769756A
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- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H3/00—Electrochemical machining, i.e. removing metal by passing current between an electrode and a workpiece in the presence of an electrolyte
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
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- B23H3/00—Electrochemical machining, i.e. removing metal by passing current between an electrode and a workpiece in the presence of an electrolyte
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Abstract
The invention discloses an electrolytic machining method, a terminal and a storage medium, wherein the method relates to calling a feeding device and an electrolyte supply device to machine a three-dimensional cavity, and comprises the following steps: acquiring a cavity structure model of a workpiece to be processed; obtaining a unit model of the cavity structure model; dividing the cavity structure model by taking the unit model as a dividing unit, and dividing the cavity structure model into a plurality of unit models; numbering the unit models according to a preset direction; calling the feeding device and the electrolyte supply device according to the serial number of the unit model, and sequentially carrying out electrolytic machining on the workpiece machining area corresponding to the unit model to obtain a cavity structure; the three-dimensional cavity structure is divided into unit model structures, a feeding device and an electrolyte device are called, a sealed processing area is formed at the processing end and the processing position of the cathode, electrolysis products and waste gas are recycled, and the environment is protected; meanwhile, the processing efficiency is improved, and the protection effect on the cathode is improved.
Description
Technical Field
The invention relates to the technical field of electrolytic machining, in particular to an electrolytic machining method, a terminal and a storage medium.
Background
The electrochemical machining is not limited by the hardness and toughness of the machined material, so that the electrochemical machining can obtain the advantages of better surface machining quality and the like, and is widely applied to machining of various materials.
In the electrolytic machining, when a workpiece needs to be machined into a porous structure, single electrode assemblies are adopted for machining one by one, so that the efficiency is low; a plurality of electrode assemblies are adopted for simultaneous processing, and the problem of inconvenient control exists; meanwhile, gases such as Cl2, Br2 and other harmful gases are generated in the electrolytic processing, and if the gases are not collected and centralized, the environment is polluted, and the physical and psychological health of workers is influenced; along with the increase of the depth of the processing hole, the electrolyte at the processing gap generates some products which are not dissolved in the electrolyte, such as Fe (OH) 2, Fe (OH) 3 and the like, and the products are difficult to discharge, and if the products are not discharged in time, the products are gradually flocculated, so that the flow of the electrolyte at the processing gap is influenced, and the normal processing work is hindered; in the process of processing the deep hole, when the processing electrode repeatedly retreats to increase the processing gap and promote the discharge of electrolyte at the processing gap, the processing electrode must be prevented from swinging, and the processing electrode is prevented from being in direct contact with the inner wall of the workpiece, so that the short circuit between the processing electrode and the workpiece is prevented, and the processing electrode and the workpiece are burnt out. Therefore, when deep-hole machining is performed on a workpiece, precise control of the electrolytic machining apparatus is required to avoid the above-described problems.
Disclosure of Invention
In order to overcome the problems, the invention adopts the following technical scheme: an electrolytic machining method, which relates to calling a feeding device and an electrolyte supply device to machine a three-dimensional cavity, comprises the following steps: an electrolytic machining method, which relates to calling a feeding device and an electrolyte supply device to machine a three-dimensional cavity, comprises the following steps:
acquiring a cavity structure model of a workpiece to be processed;
obtaining a unit model of the cavity structure model;
dividing the cavity structure model by taking the unit model as a dividing unit, and dividing the cavity structure model into a plurality of unit models;
numbering the unit models according to a preset direction;
calling the feeding device and the electrolyte supply device according to the serial number of the unit model, and sequentially carrying out electrolytic machining on the workpiece machining area corresponding to the unit model to obtain a cavity structure;
specifically, when a single unit model is subjected to electrolytic machining, the number of machining positions on the unit model and the three-dimensional space coordinates of each machining position are obtained;
calling feeding modules with the same number on the feeding device according to the number of the processing positions, calling the feeding modules according to the three-dimensional space coordinates of the processing positions to adjust the angle and the feeding amount of the cathode above the feeding modules, and enabling the cathode to reach the processing positions, wherein the feeding modules correspond to the processing positions one by one;
calling an adsorption part on an adsorption device in sealed sliding connection with the cathode to form a sealed processing area for the processing end part and the processing position of the cathode;
calling the feeding module to enable the cathode on the feeding module to finish retraction so as to form a machining gap;
calling the electrolyte supply device to supply electrolyte into the sealed processing area through a cavity part of the adsorption device;
calling the feeding module, controlling the feeding speed and the processing time of a cathode on the feeding module, and carrying out electrolytic processing on the processing position in the processing sealing area;
calling a waste liquid recovery device to collect and treat the used electrolyte in the sealed processing area;
and cleaning the electrolyte remained on the workpiece after the electrolytic machining.
Further, the step of obtaining the unit model of the cavity structure model includes:
acquiring the number of total processing positions on the cavity structure model and the three-dimensional space coordinate of each processing position according to the acquired cavity structure model;
equally dividing the number of the total machining positions according to the number of the calling feeding modules, and acquiring the times of a single machining period in the whole machining period and the machining positions in the single machining period;
and dividing the cavity structure model according to an area formed by the processing positions in a single processing period to obtain a single unit model.
Further, the step of equally dividing the number of the total processing positions according to the number of the calling feeding modules includes:
acquiring the number of total processing positions;
acquiring the number of calling feeding modules;
calculating the machining times by taking the unit model as a machining unit: the total machining position number/the number of calling feeding modules = N + a;
wherein N is the processing times when the unit model is taken as the processing unit;
where a is the number of remaining machining positions.
Further, the number of the remaining processing positions a,
when a =0, the number of machining times is equal to N in the unit of machining of the cell model;
when a is not equal to 0, acquiring a residual machining model according to the residual machining position quantity a;
calling an equal number of feeding modules to process the residual machining models according to the number of the machining positions of the residual machining models;
and adding the residual machining models to all the unit models to obtain the cavity structure model.
Further, the step of calling the adsorption part on the adsorption device in sliding connection with the cathode in a sealing way to form a sealing processing area for the processing end part and the processing position of the cathode comprises the following steps:
calling the feeding module to enable the cathode to reach a processing position, and attaching an adsorption part of the adsorption device to the processing position;
calling a negative pressure system communicated with the adsorption device to extract air in the adsorption part through a cavity part and a communication valve of the adsorption device, so that negative pressure is generated in the adsorption part and is adsorbed at a processing position;
the adsorption part is adsorbed at a processing position, the communication valve is closed, and the elastic sealing block in the adsorption part seals the processing end part and the processing position of the cathode to form a sealed processing area.
Further, the step of calling the electrolyte supply device to supply electrolyte into the processing sealing area comprises:
the electrolyte supply device is called to supply electrolyte through one of the channels, and a booster pump is called to periodically boost the electrolyte so that the electrolyte forms pulsating boosted electrolyte;
the pulsating pressurized electrolyte passes through a cavity in the cathode to reach the machining gap;
and calling an electrolyte supply device to supply flushing electrolyte through another channel, wherein the flushing electrolyte reaches the machining gap through the cavity part of the adsorption device.
Further, the step of invoking a waste liquid recovery device to collect and dispose of used electrolyte within the process seal zone comprises:
calling the waste liquid recovery device to extract the used electrolyte in the sealed processing area into a recovery tank, and filtering impurities in the recovered electrolyte by using a filtering mechanism in the recovery tank;
and calling an air exhaust device above the recovery tank, and extracting the waste gas mixed in the electrolyte and storing the waste gas into a waste gas device.
The present invention also includes a terminal comprising one or more processors, and one or more machine readable media having instructions stored thereon that, when executed by the one or more processors, cause the terminal to perform an electrochemical machining method according to the present invention.
The present invention also includes a computer readable storage medium storing a computer program that causes a processor to execute an electrolytic processing method according to the present invention.
The invention has at least the following beneficial effects:
1. the method comprises the steps of obtaining a cavity structure model and a unit model of a workpiece to be processed, dividing the cavity structure model by taking the unit model as a dividing unit, and dividing the cavity structure model into a plurality of unit models; after the unit models are numbered in the preset direction, calling a feeding device and an electrolyte supply device according to the numbers of the unit models, and sequentially carrying out electrolytic machining on the workpiece machining areas corresponding to the unit models to obtain a cavity structure; by dividing the three-dimensional cavity structure into unit model structures and calling the feeding device and the electrolyte device, a sealed processing area is formed at the processing end and the processing position of the cathode, the electrolytic processing efficiency is improved, and the automatic degree of electrolytic processing is improved.
2. According to the invention, by arranging the adsorption device with the adsorption part and the cavity part, when the adsorption disc is adsorbed on the surface of the processing area, the elastic sealing block is compressed, the elastic sealing block is used for isolating the processing area from the adsorption area of the adsorption disc, so that the adsorption disc is ensured to be adsorbed on the adsorption area, and meanwhile, the processing area can smoothly flow electrolyte for electrolytic processing. The adsorption disc is used for fixing the adsorption device on one hand, so that the adsorption device forms a sealed processing area; on the other hand, the residual air in the adsorption disc can play a role in buffering the motion of the cathode when the cathode repeatedly retreats in the processing process; meanwhile, the elastic sealing block can isolate the processing area from the interior of the adsorption disc, and can also play an effective buffering role in the back movement of the cathode. The buffering function of the cathode and the workpiece can prevent short circuit between the cathode and the workpiece to cause burning of the cathode and the workpiece.
3. The electrolyte processing device is arranged to provide pulsating pressurized electrolyte and flushing electrolyte, the pulsating pressurized electrolyte reaching the processing gap from the cathode cavity and the flushing electrolyte interact at the processing gap to generate turbulence, and electrolytic products such as Fe (OH) at the processing gap can be treated2、Fe（OH）3When electrolytic products which are easy to flocculate impact and stir, the electrolytic products and the used electrolyte can be better discharged from a processing gap under the interaction of the electrolytic products and the used electrolyte in the process of cathode retraction, and further the processing efficiency and the processing quality are improved.
4. The used electrolyte in the sealed processing area can be put into the recovery tank by arranging the waste liquid recovery device, and the filtering mechanism in the recovery tank filters impurities in the recovered electrolyte; filtering out electrolysis products, such as Fe (OH)2、Fe（OH）3And the like, and the recovery and centralized treatment are carried out to prevent the environmental pollution; and meanwhile, calling an air extractor above the recovery tank, and starting the air extractor on the upper part of the recovery tank after the used electrolyte is recovered to the recovery tank to extract the waste gas mixed in the electrolyte and escaped into a waste gas device for centralized treatment so as to prevent the pollution to the working environment.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a flow chart of the steps for machining a cavity structure of a workpiece;
FIG. 2 is a flowchart of the steps for obtaining a cell model;
FIG. 3 is a flowchart of the steps for processing the workpiece region corresponding to a single unit model;
FIG. 4 is a flowchart of the steps for equally dividing the number of total machining positions by the number of called feed modules;
FIG. 5 is a flowchart of the steps for forming a sealed processing region for the processing end and the processing position of the cathode by invoking the adsorption part on the adsorption device;
FIG. 6 is a flow chart of the steps for invoking an electrolyte supply device to supply electrolyte into the process seal area;
FIG. 7 is a flow chart of the steps of calling a waste recovery device to collect and process electrolyte;
FIG. 8 is a schematic diagram of a cavity structure of a workpiece to be processed;
FIG. 9 is a schematic view of a cavity structure model;
FIG. 10 is a diagram of a unit model structure;
FIG. 11 is a schematic view of a combination structure of a feeding device, an electrolyte supply device and a workpiece;
fig. 12 is a partially enlarged view of a portion a in fig. 11.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.
As shown in fig. 1 to 12, an electrolytic machining method, which involves machining a three-dimensional cavity by calling a feeding device 1 and an electrolyte supply device 2, includes the steps of:
s1, obtaining a cavity structure model of a workpiece to be machined. The workpiece 3 to be processed can be a sphere, a cube, a cylinder and the like; wherein the outer surface of the workpiece 3 to be processed is a smooth surface or a smooth surface is formed by preliminary processing, so that the adsorption disc 12 on the adsorption part 8 can be adsorbed on the outer surface of the workpiece 3 under the action of negative pressure in the processing process, and the limit and the sealing of a processing area in the processing process are completed. The cavity structure model may be established with the assistance of drawing software including, but not limited to, AutoCAD, SolidWorks, and 3 Dmax. In this specific implementation, please refer to fig. 8, the workpiece 3 to be processed is spherical, a three-dimensional spatial structure model of the workpiece 3 is established by using SolidWorks mapping software, and parameters such as the number, diameter, depth, three-dimensional coordinates of a processing contact point and the like of deep holes to be processed on the workpiece 3 are obtained, wherein the number of the deep holes to be processed is multiple, and the extending direction of each deep hole points to the center of the sphere from the surface of the sphere.
And S2, obtaining a unit model of the cavity structure model. As shown in fig. 9-10, the unit model is embodied as a part of the overall structural model of the workpiece 3. Because the workpiece 3 to be machined is often a curved surface or a special-shaped surface, deep holes on all surfaces cannot be machined at one time by the electrolytic machining device, in the actual electrolytic machining operation, a part of the workpiece 3 is often machined, then the position of the workpiece 3 is changed by the clamping device 5, the unmachined position is exposed under the electrolytic machining device for machining again, and the steps are repeated to finish machining the whole workpiece 3; after obtaining the cavity structure model through the drawing software, the structure of the unit model is obtained first, the whole cavity structure model is divided into a plurality of unit models, and the workpiece 3 is processed according to the unit models in sequence.
Based on the cavity structure model, a unit structure model is obtained through the following steps, as shown in fig. 2, the steps include:
and S21, acquiring the number of the total processing positions on the cavity structure model and the three-dimensional space coordinate of each processing position according to the acquired cavity structure model. On the basis of acquiring a cavity structure model through drawing software according to the specific shape of the workpiece 3, constructing the number and specific positions of deep holes to be electrolytically machined on the cavity structure model one by one; after the processing position of the cavity structure model is determined, a processing point where the cathode 6 is firstly contacted with the spherical surface of the workpiece 3 in the processing position can be obtained through the established processing position through drawing software, and the three-dimensional space coordinate of the processing point is obtained; the three-dimensional space coordinates of the processing point are used for adjusting the angle of the cathode 6 through the feeding module 4 to enable the cathode 6 and the adsorption device on each feeding module 4 to rotate through the three-dimensional space coordinates of the processing point when the cathode 6 on the feeding module 4 is called to process the processing position, so that the cathode 6 and the adsorption device on each module 4 correspond to the processing point one by one, and the extension line of the direction pointed by each cathode 6 is intersected with the sphere center position of the spherical workpiece 3 at the moment, so that the orientation of the deep hole processed by the subsequent cathode can be ensured to be pointed to the sphere center of the workpiece 3. After the angle of each cathode 6 is adjusted according to the three-dimensional space coordinates of the processing point, the feeding module 4 adjusts the feeding amount of the cathode 6 again, so that the cathode 6 reaches the processing position and is in contact with the processing point, and on one hand, preparation is made for simultaneously processing a plurality of deep holes, and on the other hand, preparation is made for all the cathodes 6 to retract to form a processing gap.
S22, equally dividing the number of the total processing positions according to the number of the calling feeding modules, and acquiring the times of a single processing period in the whole processing period and the processing positions in the single processing period; as shown in fig. 4, the method specifically includes the following steps:
s201, acquiring the number of total machining positions; the number of deep holes to be deep-drilled on the workpiece 3 can be obtained through the constructed cavity model structure, namely the number of machining positions is equal to the number of deep holes.
S202, acquiring the number of calling feeding modules; a plurality of feeding modules 4 which are independently controlled are arranged on the feeding device 1, and a cathode 6 and an adsorption device are arranged on each feeding module 4; the rotation angle and the feeding amount of the cathode 6 can be controlled by the feeding module 4, so that the cathode 6 can correspond to a processing point; the number of the calling feeding modules can be the number of all the feeding modules 4 or the number of the partial feeding modules 4, and the number of the calling feeding modules 4 is determined according to the number of the processing positions so as to obtain the optimized number of times of a single processing period.
S203, calculating the machining times by taking the unit model as a machining unit: the total machining position number/calling feeding module number = N + a; wherein N is the number of machining times when the unit model is taken as a machining unit; wherein a is the number of the residual processing positions;
when a =0, the number of machining times is equal to N with the cell model as a machining unit; in this case, it is explained that the number of total machining positions is an integral multiple of the number of calling-up feed modules 4; for example, if the total number of machining is 20 and the total number of feed modules 4 is 6, 5 feed modules are called at the time of machining, that is, the number of feed modules 4 is 5, and the machining frequency N =20/5=4 is obtained with the cell model as the machining unit; or when the number of machining is 24, 6 feed modules are called for in machining, that is, the number of feed modules 4 is 6, and the machining frequency N =24/6=4 is obtained by using the cell model as a machining unit. And the number of the feeding modules 4 is selected and called correspondingly according to the number of the actual machining positions so as to achieve the optimal machining times, save time and improve the electrolytic machining efficiency.
And S23, segmenting the cavity structure model according to an area formed by the machining positions in a single machining period to obtain a single unit model. For a clearer and more obvious explanation, in the embodiment, there are 60 machining positions on the spherical workpiece 2, which are divided into 12 rows of 5 machining positions; the number of the feeding modules 4 calling the electrolytic machining device is 10, the feeding modules are divided into 2 rows, and each row is 5; when the obtained unit model is a processing unit, the processing times N =60/10=6, the number of the unit models is 6, the number of the processing positions on each unit model is 2 × 5=10, and a specific unit model is shown in fig. 10;
s3, dividing the cavity structure model by taking the unit model as a dividing unit, and dividing the cavity structure model into a plurality of unit models;
in the present embodiment, as shown in fig. 10, the entire cavity structure model is divided into 6 identical unit models by using the unit model as a division unit, as shown in fig. 10.
For some workpieces 3, when a is not equal to 0, the number a of the remaining machining positions is obtained when the number of the total machining positions is divided equally according to the number of the calling feeding modules; for a more clear and brief description, for example, 65 machining positions are arranged on the spherical workpiece 3 and are divided into 13 rows, and each row comprises 5 machining positions; the number of the feeding modules 4 for calling the electrolytic machining device is 10, the feeding modules are divided into 2 rows, and each row is 5; the processing times N =60/10=6 (times) +5 (times) when the obtained unit model is a processing unit, that is, the number of the obtained unit models is 6; obtaining the residual machining models according to the residual machining position number 5, namely the machining position number on the residual machining models is 5; calling an equal number of feeding modules to process the residual machining models according to the number of the machining positions of the residual machining models; that is, when the workpiece regions corresponding to the remaining machining models are machined, only 5 feeding modules 4 need to be called from the feeding device 1 for machining.
And adding the residual machining models to all the unit models to obtain the cavity structure model, sequentially machining the workpiece areas corresponding to the unit models in actual machining, and then machining the workpiece areas corresponding to the residual machining models to finish machining the whole workpiece 3.
S4, numbering the unit models according to a preset direction;
after the segmentation of accomplishing whole cavity structure model, according to predetermineeing the direction, specific can be clockwise or anticlockwise rotation direction along the Y axle of cavity structure model three-dimensional structure, serial number the unit model after the segmentation, specific can be: 1,2,3 … … m; and when the residual machining models exist, the last machining model is numbered as m +1 and corresponds to the residual machining models.
S5, calling the feeding device and the electrolyte supply device according to the serial number of the unit model, and sequentially carrying out electrochemical machining on a workpiece machining area corresponding to the unit model to obtain a cavity structure; sequentially carrying out electrolytic machining on the workpiece areas corresponding to the unit models according to the serial numbers; and when the residual machining model exists, placing the residual machining model in the last machining period for electrolytic machining. Specifically, as shown in fig. 3:
s51, when a single unit model is subjected to electrolytic machining, the number of machining positions on the unit model and the three-dimensional space coordinate of each machining position are obtained;
s52, calling feeding modules with the same number on the feeding device according to the number of the machining positions, calling the feeding modules according to the three-dimensional space coordinates of the machining positions to adjust the angle and the feeding amount of the cathode above the feeding modules, enabling the cathode to reach the machining positions, and enabling the feeding modules to be in one-to-one correspondence with the machining positions; namely, the cathode 6 reaches the processing point at the moment and is ready for electrolytic processing; at the same time, when the cathode 6 reaches the processing point, the adsorption device which is in sealing and free sliding fit with the cathode 6 also reaches the surface corresponding to the processing area, and the adsorption device is ready to be fixed on the surface corresponding to the processing area.
S53, calling an adsorption part on an adsorption device in sealed sliding connection with the cathode to form a sealed processing area for the processing end part and the processing position of the cathode; the adsorption part has the following main functions of forming a sealed processing area on the processing end part and the processing position of the cathode: on one hand, after a sealing area is formed at the processing end of the cathode 6, the electrolytic processing can be carried out in a sealing space, and the electrolyte is prevented from splashing; on the other hand, off-gases produced during electrolysis, e.g. Cl2、Br2And (5) sealing and collecting harmful gases, and performing centralized treatment to prevent the waste gas from polluting the working environment.
Specifically, as shown in fig. 5, the step S53 includes the following steps:
s5301, calling the feeding module to enable a cathode to reach a machining position, and attaching an adsorption part of the adsorption device to the machining position; thus, the machine is ready for processing.
S5302, calling a negative pressure system communicated with the adsorption device to extract air in the adsorption part through a cavity part and a communication valve of the adsorption device, so that negative pressure is generated in the adsorption part and is adsorbed at a processing position; specifically, under normal air pressure, an adsorption part 8 of the adsorption device is communicated with a cavity part 9 above the adsorption part through a communication valve 10, after the adsorption part 8 is contacted with the surface of the workpiece processing area, a negative pressure system is started to extract air in the adsorption part 8 through the cavity part 9, the air in the adsorption part 8 is extracted to form negative pressure, and the air is adsorbed on the surface of the workpiece processing area under the action of the negative pressure, so that the adsorption device is fixed.
And S5303, adsorbing the adsorption part at the processing position, closing the communication valve, and sealing the processing end part and the processing position of the cathode by using an elastic sealing block in the adsorption part to form a sealed processing area.
After the communicating valve 10 is closed, on the basis that the adsorption device is fixed in the processing area, the electrolyte can flow in the sealed processing area and the cavity part 9, so that the cathode 6 can seal the workpiece, and waste gas can be conveniently collected; meanwhile, the absorption part 9 can effectively buffer the backing of the cathode 6 in the processing process, and prevent short circuit between the cathode 6 and the workpiece 3 and burn of the cathode 6 and the workpiece 3.
S54, calling the feeding module to enable the cathode on the feeding module to finish retraction so as to form a machining gap; on one hand, the formed machining gap ensures that the electrolyte flows normally to perform electrolytic machining; meanwhile, the impact and mixing of the pulsating pressurized electrolyte and the flushing electrolyte at the machining gap are facilitated, and the discharge of electrolyte products at the machining gap is improved.
And S55, calling the electrolyte supply device to supply electrolyte into the sealed processing area through the cavity part of the adsorption device, and carrying out electrolytic processing on the workpiece area.
The specific steps, as shown in fig. 6, include:
s5501, calling the electrolyte supply device to supply electrolyte through one channel, calling a booster pump to periodically boost the electrolyte to form pulsating boost electrolyte;
s5502, the pulsating pressurization electrolyte penetrates through a cavity in the cathode to reach a machining gap;
s5503, an electrolyte supply device is called to supply flushing electrolyte through another channel, and the flushing electrolyte reaches the machining gap through the cavity of the adsorption device.
The pulsating pressurized electrolyte reaching the machining gap from the cavity of the cathode 6 interacts with the flushing electrolyte at the machining gap to generate turbulence capable of acting on the electrolysis products, such as Fe (OH), at the machining gap2、Fe（OH）3The electrolysis products which are easy to flocculate are impacted and stirred, and in the process of the retraction of the cathode 6,the interaction between the two is better discharged from the processing gap.
S56, calling the feeding module, controlling the feeding speed and the processing time of a cathode on the feeding module, and carrying out electrochemical machining on a processing position in the processing sealing area; and (3) obtaining corresponding feeding amount by controlling the feeding speed and the processing time of the cathode 6, and finally processing the deep hole with the preset depth.
S57, calling a waste liquid recovery device to collect and treat the used electrolyte in the sealed processing area; specifically, the waste liquid recovery device is communicated with the cavity portion 9, and can extract the used electrolyte at the processing gap into the waste liquid recovery device, on one hand, the used electrolyte is filtered and recovered to the electrolysis products, and on the other hand, the waste gas generated during electrolysis is collected. Specifically, as shown in fig. 7:
s5701, calling the waste liquid recovery device to extract electrolyte used in the sealed processing area into a recovery tank, and filtering impurities in the recovered electrolyte by a filtering mechanism in the recovery tank; filtering out electrolysis products such as Fe (OH) by a filtering mechanism in the recovery operation2、Fe（OH）3And the like, and the recovery and centralized treatment are carried out to prevent the environmental pollution.
And S5702, calling an air extractor above the recovery tank, extracting the waste gas mixed in the electrolyte and storing the waste gas into a waste gas device. After the used electrolyte is recovered to the recovery tank, the air extractor on the upper part of the recovery tank is started to extract the waste gas mixed in the electrolyte and escaped to the waste gas device for centralized treatment, so as to prevent the pollution to the working environment.
And S58, cleaning the electrolyte left on the workpiece after the electrolytic machining. After the whole workpiece structure is machined, a spray gun of the cleaning structure is called to spray cleaning liquid to clean the deep hole and the surface of the workpiece, and residual electrolyte and electrolytic products are cleaned.
The present invention also includes a terminal comprising one or more processors, and one or more machine readable media having instructions stored thereon that, when executed by the one or more processors, cause the terminal to perform the above-described electrochemical machining method.
The present invention also includes a computer-readable storage medium storing a computer program that causes a processor to execute the above-described electrolytic processing method.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. An electrolytic machining method, which relates to a method for machining a three-dimensional cavity by calling a feeding device and an electrolyte supply device, and is characterized by comprising the following steps of:
acquiring a cavity structure model of a workpiece to be processed;
acquiring a unit model of the cavity structure model;
dividing the cavity structure model by taking the unit model as a dividing unit, and dividing the cavity structure model into a plurality of unit models;
numbering the unit models according to a preset direction;
calling the feeding device and the electrolyte supply device according to the serial number of the unit model, and sequentially carrying out electrolytic machining on the workpiece machining area corresponding to the unit model to obtain a cavity structure;
specifically, when a single unit model is subjected to electrolytic machining, the number of machining positions on the unit model and the three-dimensional space coordinates of each machining position are obtained;
calling the feeding modules with the same number on the feeding device according to the number of the processing positions, and calling the feeding modules with the same number according to the processing positions
The three-dimensional space coordinate calls the feeding module to adjust the angle and the feeding amount of the cathode above the feeding module, so that the cathode reaches a processing position, and the feeding module corresponds to the processing position one by one;
calling an adsorption part on an adsorption device in sealed sliding connection with the cathode to form a sealed processing area for the processing end part and the processing position of the cathode;
calling the feeding module to enable the cathode on the feeding module to finish retraction so as to form a machining gap;
calling the electrolyte supply device to supply electrolyte into the sealing processing area through the cavity part of the adsorption device;
calling the feeding module, controlling the feeding speed and the processing time of a cathode on the feeding module, and carrying out electrolytic processing on the processing position in the processing sealing area;
calling a waste liquid recovery device to collect and treat the used electrolyte in the sealed processing area;
and cleaning the electrolyte remained on the workpiece after the electrolytic machining.
2. The electrolytic processing method according to claim 1, wherein the step of obtaining the cell model of the cavity structure model includes:
acquiring the number of total processing positions on the cavity structure model and the three-dimensional space coordinate of each processing position according to the acquired cavity structure model;
equally dividing the number of the total processing positions according to the number of the calling feeding modules, and acquiring the times of a single processing period in the whole processing period and the processing positions in the single processing period;
and segmenting the cavity structure model according to an area formed by the machining positions in a single machining period to obtain a single unit model.
3. The electrolytic processing method according to claim 2, wherein the step of equally dividing the number of the total processing positions according to the number of the called-up feeding modules comprises:
acquiring the number of total processing positions;
acquiring the number of calling feeding modules;
calculating the machining times by taking the unit model as a machining unit: the total machining position number/calling feeding module number = N + a;
wherein N is the processing times when the unit model is taken as the processing unit;
where a is the number of remaining machining positions.
4. The electrolytic processing method according to claim 3, wherein the number of the remaining processing positions a,
when a =0, the number of machining times is equal to N with the cell model as a machining unit;
when a is not equal to 0, acquiring a residual machining model according to the residual machining position quantity a;
calling an equal number of feeding modules to process the residual machining models according to the number of the machining positions of the residual machining models;
and adding the residual machining models to all the unit models to obtain the cavity structure model.
5. The electrolytic processing method according to claim 1, wherein the step of calling the suction portion of the suction device which is connected to the cathode in a sealed sliding manner to form a sealed processing area for the processing end portion and the processing position of the cathode includes:
calling the feeding module to enable the cathode to reach a processing position, and attaching an adsorption part of the adsorption device to the processing position;
calling a negative pressure system communicated with the adsorption device to extract air in the adsorption part through a cavity part and a communication valve of the adsorption device, so that negative pressure is generated in the adsorption part and is adsorbed at a processing position;
the adsorption part is adsorbed at the processing position, the communication valve is closed, and the elastic sealing block in the adsorption part seals the processing end part and the processing position of the cathode to form a sealed processing area.
6. The electrolytic processing method according to claim 1, wherein the step of calling the electrolyte supplying means to supply the electrolyte into the processing sealing area comprises:
the electrolyte supply device is called to supply electrolyte through one of the channels, and a booster pump is called to periodically boost the electrolyte so that the electrolyte forms pulsating boosted electrolyte;
the pulsating pressurized electrolyte passes through a cavity inside the cathode to reach the machining gap;
and calling an electrolyte supply device to supply flushing electrolyte through another channel, wherein the flushing electrolyte reaches the machining gap through the cavity part of the adsorption device.
7. The electrolytic processing method according to claim 1, wherein the step of calling a waste liquid recovery device to collect and dispose of the used electrolyte in the processing sealed area comprises:
calling the waste liquid recovery device to extract the used electrolyte in the sealed processing area into a recovery tank, and filtering impurities in the recovered electrolyte by using a filtering mechanism in the recovery tank;
and calling an air extractor above the recovery tank, extracting the waste gas mixed in the electrolyte and storing the waste gas into a waste gas device.
8. A terminal comprising one or more processors, and one or more machine readable media having instructions stored thereon that, when executed by the one or more processors, cause the terminal to perform the electrochemical machining method of any one of claims 1 to 7.
9. A computer-readable storage medium characterized by storing a computer program causing a processor to execute the electrolytic processing method according to any one of claims 1 to 7.
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| JP2007276062A (en) * | 2006-04-07 | 2007-10-25 | Denso Corp | Electrolytic machining method and device therefor |
| CN113385760A (en) * | 2021-06-12 | 2021-09-14 | 邹进伟 | Electrochemical machining method for porous structure with gradually-changed aperture, terminal and storage medium |
| CN113385761A (en) * | 2021-06-12 | 2021-09-14 | 邹进伟 | Electrochemical machining device with gradually-changed aperture and porous structure |
| CN113399763A (en) * | 2021-06-12 | 2021-09-17 | 刘曼 | Electrolytic machining method for machining inclined plane workpiece |
| CN113399762A (en) * | 2021-06-12 | 2021-09-17 | 刘曼 | Electrolytic machining device |
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2022
- 2022-04-24 CN CN202210435581.6A patent/CN114769756A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007276062A (en) * | 2006-04-07 | 2007-10-25 | Denso Corp | Electrolytic machining method and device therefor |
| CN113385760A (en) * | 2021-06-12 | 2021-09-14 | 邹进伟 | Electrochemical machining method for porous structure with gradually-changed aperture, terminal and storage medium |
| CN113385761A (en) * | 2021-06-12 | 2021-09-14 | 邹进伟 | Electrochemical machining device with gradually-changed aperture and porous structure |
| CN113399763A (en) * | 2021-06-12 | 2021-09-17 | 刘曼 | Electrolytic machining method for machining inclined plane workpiece |
| CN113399762A (en) * | 2021-06-12 | 2021-09-17 | 刘曼 | Electrolytic machining device |
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