CN113275677B - Working liquid scrap removing device of electric spark forming machine - Google Patents
Working liquid scrap removing device of electric spark forming machine Download PDFInfo
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- CN113275677B CN113275677B CN202110603712.2A CN202110603712A CN113275677B CN 113275677 B CN113275677 B CN 113275677B CN 202110603712 A CN202110603712 A CN 202110603712A CN 113275677 B CN113275677 B CN 113275677B
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- cleaning roller
- filter screen
- collecting box
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- 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
- B23H1/00—Electrical discharge machining, i.e. removing metal with a series of rapidly recurring electrical discharges between an electrode and a workpiece in the presence of a fluid dielectric
- B23H1/10—Supply or regeneration of working media
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- 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
- B23H11/00—Auxiliary apparatus or details, not otherwise provided for
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
The invention discloses a scrap removing device for working liquid of an electric spark forming machine, which comprises a working liquid box, a filtering screen and a cleaning device, wherein fixing seats are arranged on the left side and the right side of the working liquid box, accommodating cavities are vertically formed in the fixing seats, supporting rods are inserted in the accommodating cavities, supporting springs are arranged between the bottom ends of the supporting rods and the bottom ends of the accommodating cavities, the filtering screen is arranged at the top ends of the supporting rods, the cleaning device comprises a cleaning roller, a driving assembly and a collecting box, the collecting box is arranged on one side of the working liquid box, the upper surface of the collecting box is provided with an opening, the cleaning roller is arranged above the filtering screen, and the driving assembly is used for driving the cleaning roller to reciprocate along the filtering screen. The scrap removing device for the working solution of the electric spark forming machine, provided by the invention, can automatically separate, clean and collect scrap iron mixed in the working solution, so that the blockage of a filter screen is avoided, the normal circulation of the working solution is ensured, and the labor intensity of workers is reduced.
Description
Technical Field
The invention relates to the technical field of machining equipment, in particular to a scrap removing device for working liquid of an electric spark forming machine.
Background
As one of the most common machining apparatuses, an electric discharge machine is widely used in manufacturing various metal molds and mechanical apparatuses. The electric spark machine is a special processing method for corroding and removing conductive materials by utilizing the electric corrosion action generated during pulse discharge between two electrodes immersed in working liquid. When the electric spark machine is processed, the tool electrode and the workpiece are respectively connected with two poles of a pulse power supply and immersed in the working liquid, or the working liquid is filled into the discharge gap. The feeding of the tool electrode to the workpiece is controlled by the automatic gap control system, and when the gap between the two electrodes reaches a certain distance, the pulse voltage applied to the two electrodes breaks down the working liquid to generate spark discharge.
Due to the discharge action between the workpiece and the electrode, the workpiece and the discharge position of the electrode are rapidly oxidized and corroded and are removed along with the working fluid. In the electric spark machining process, the working solution plays a role in cooling and chip removal, scrap iron generated by a workpiece circulates along with the working solution, after the scrap iron in the working solution is accumulated to a certain degree, the scrap iron in the working solution can influence the discharge state of electric spark machining, even cause the blockage of a channel, seriously influence the discharge effect and the surface quality of a machined workpiece, and meanwhile, the scrap iron is doped in the working solution and is not beneficial to the recycling of the working solution.
Among the prior art, in order to get rid of the iron fillings that mix with in the working solution, set up the filter screen in the working solution case usually, but the filter screen is through long-time the use, and the iron fillings of accumulation can block up the filter screen, influence the normal circulation of working solution, and the iron fillings on the filter screen need the manual clearance of staff, have increased intensity of labour, and the cleaning efficiency is low.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a scrap removing device for working fluid of an electric spark forming machine, which can automatically separate, clean and collect scrap iron mixed in the working fluid, avoid the blockage of a filter screen, ensure the normal circulation of the working fluid and reduce the labor intensity of workers.
The technical purpose of the invention is realized by the following technical scheme: the utility model provides an electric spark make-up machine working solution removes bits device, includes working solution case, filter screen and cleaning device, the left and right sides of working solution case all is provided with the fixing base, vertical seting up in the fixing base holds the chamber, it is equipped with the bracing piece to hold the intracavity and insert, the bracing piece bottom with it is provided with supporting spring to hold between the bottom of intracavity wall, the bracing piece top is provided with filter screen, cleaning device includes cleaning roller, drive assembly and collecting box, the collecting box sets up one side of working solution case, the collecting box upper surface is the opening setting, the cleaning roller sets up filter screen top, drive assembly is used for the drive the cleaning roller is followed filter screen reciprocating motion.
Through adopting above-mentioned technical scheme, when electric spark forming machine is carrying out electric spark machining to the work piece, in order to avoid tool electrode and work piece to influence processing because of generating heat, often can practical working solution carry out cooling treatment to it, coolant liquid after the use can be in the same place with the iron fillings that processing produced, the working solution that is mingled with iron fillings flows through filter screen, iron fillings can be filtered and stay on filter screen, the working solution then gets into the working solution case, thereby realize the separation of working solution and iron fillings, make working solution get into the circulating line and reuse, and pile up the iron fillings on filter screen, through starting drive assembly, drive cleaning roller reciprocating motion on filter screen, thereby clear up iron fillings to the collecting box in, avoid filter screen blocking, do not need the manual iron fillings that clear up on the filter screen simultaneously, workman's intensity of labour has been alleviateed.
The invention is further provided with: the cleaning device is characterized in that the driving assembly comprises a motor, a rack and two guide rails, the two guide rails are arranged and are respectively arranged at the upper ends of the front side and the rear side of the working liquid box and the upper end of the rear side of the collecting box, the bottom end of each guide rail is fixed on the side walls of the working liquid box and the collecting box through a plurality of supporting plates, the rack is arranged on one side, close to the filter screen, of each guide rail, gears meshed with the racks are arranged at the two ends of the cleaning roller, one end of the cleaning roller is connected with the motor in a transmission mode, the other end of the cleaning roller is fixed on a bearing seat, and sliding seats matched with the guide rails are arranged at the bearing seat and the bottom end of the motor.
Through adopting above-mentioned technical scheme, starter motor, the gear revolve of motor drive cleaning roller one end to it is rotatory to drive the cleaning roller, simultaneously because gear and rack intermeshing for the cleaning roller is along rack reciprocating motion, thereby realizes that the cleaning roller can also rotate when removing, has increased the area that the cleaning roller adsorbs iron fillings, makes the iron fillings clearance of cleaning roller on to filter screen more thorough.
The invention is further provided with: the cleaning roller is a magnetic cleaning roller, a switch mechanism is arranged in the containing cavity close to one side of the collecting box and used for controlling the cleaning roller to be powered on or powered off, a pressing rod is arranged above the switch mechanism and used for enabling the switch mechanism to be connected or disconnected, the pressing rod is vertically arranged and inserted in the fixing seat, the top end of the pressing rod is located above an opening of the working liquid box, when the cleaning roller is located above the working liquid box, the bottom end of the cleaning roller is in contact with the top end of the pressing rod, a reset spring is sleeved on the pressing rod and used for enabling the pressing rod to be reset after being pressed down by the cleaning roller.
By adopting the technical scheme, the cleaning roller is a magnetic cleaning roller, the switch mechanism controls the cleaning roller to be electrified in an initial state, the motor drives the cleaning roller to rotate and simultaneously move along the filter screen towards the collecting box, at the moment, the cleaning roller has magnetism and adsorbs scrap iron on the filter screen, when the cleaning roller reaches the upper part of the pressure rod, the pressure rod is pressed downwards, the pressure rod presses the switch mechanism to disconnect the switch mechanism, so that the cleaning roller is powered off and does not have magnetism any more, and the scrap iron on the outer wall of the cleaning roller can fall into the collecting box due to the loss of the magnetic attraction, so that the cleaning and the collection of the scrap iron are realized; after in the iron fillings fall to the collecting box, motor drive gear reversal to drive the direction removal of cleaning roller to filter screen cloth, when the cleaning roller passes through the depression bar once more, press switch mechanism once more through the depression bar, make cleaning roller circular telegram once more have magnetism, begin again to adsorb iron fillings on the filter screen cloth, so the circulation is reciprocal, realizes automatically that the clearance of iron fillings on the filter screen cloth is collected, alleviates intensity of labour.
The invention is further configured as follows: the top end of the pressing rod is provided with a boss, the upper surface of the boss is provided with two arc-shaped grooves matched with the outer wall of the cleaning roller, the top ends of the two arc-shaped grooves are intersected, and the two arc-shaped grooves are symmetrically arranged relative to the pressing rod.
Through adopting above-mentioned technical scheme, the setting of two arc walls on the boss, the clearance roller of being convenient for realizes pushing down the depression bar at reciprocating motion in-process.
The invention is further provided with: the switch mechanism comprises a cylindrical pin, the cylindrical pin penetrates through the fixing seat and is inserted in the containing cavity, a sliding block is fixed at the lower end of the cylindrical pin, the sliding block is connected with the inner wall of the containing cavity in a sliding mode, a first spring is arranged between the bottom end of the cylindrical pin and the bottom end of the inner wall of the containing cavity, a guide groove is formed in the surface, away from one side of the cylindrical pin, of the sliding block, a connecting rod is arranged between the guide groove and the bottom end of the fixing seat, the bottom end of the connecting rod is rotatably connected with the bottom of the fixing seat, the top end of the connecting rod is connected with the guide groove in a sliding mode, a switch is arranged at the bottom end of the containing cavity right below the cylindrical pin, and the switch is connected to a power supply.
The invention is further provided with: the guide groove is in a diamond shape, two adjacent edges of the guide groove are in smooth connection, a locking section is arranged at the top end of the guide groove, the top end and the bottom end of the locking section are both in inwards concave arc arrangement, the lowest point of the top arc of the locking section and the lowest point of the bottom arc of the locking section are eccentrically arranged, a guide portion is arranged at the bottom end of the guide groove, the top end and the bottom end of the guide portion are in groove arrangement, and the lowest point of the top groove of the guide portion and the lowest point of the bottom groove are eccentrically arranged.
By adopting the technical scheme, in the initial state, the cylindrical pin is pressed down, the first spring is in a compressed state, one end of the connecting rod is positioned at the locking section, at the moment, the bottom end of the cylindrical pin is tightly pressed on the switch to connect the switch, the cleaning roller is electrified and has magnetism, adsorbing the scrap iron on the filter screen, contacting the cleaning roller with the pressure rod when the cleaning roller moves to the upper part of the pressure rod, and the pressure lever is pressed downwards, the bottom end of the pressure lever moves downwards, the cylindrical pin is pressed, so that the cylindrical pin drives the sliding block to descend along the inner wall of the accommodating cavity, one end of the connecting rod moves to the guide part from the locking section along the guide groove, the cylindrical pin moves upwards under the action of the restoring force of the first spring, the switch is not pressed any more, the switch is broken, the cleaning roller is powered off, and the cleaning roller does not have magnetism any more, therefore, the scrap iron smoothly falls into the collecting box, the cleaning roller continuously moves towards the other end of the collecting box, and the compression bar returns to the initial position under the action of the reset spring; when the cleaning roller reachs the collecting box other end, under motor drive effect, the cleaning roller moves back, pass through the depression bar once more and press down, depression bar bottom downstream, and press the cylindric lock, make the cylindric lock drive slider along holding intracavity wall decline, connecting rod one end is followed the guide way and is moved to locking section locking by the guide part along the guide way this moment, first spring keeps compression state and triggers until next time pressing, thereby make the switch keep the connected state, the circular telegram of cleaning roller has magnetism, restart to adsorb iron fillings.
The invention is further provided with: the side wall lower extreme of working solution case one side is provided with the liquid outlet, liquid outlet department is provided with the filter screen, the mesh aperture of filter screen is less than the mesh aperture of filter screen, the outer wall of working solution case is located the periphery of liquid outlet is equipped with inlays and puts the limit, the filter screen is inserted from the top and is established in the embedding limit.
Through adopting above-mentioned technical scheme, the filter screen cloth can carry out maximum filtration to the iron fillings that mix with in the working solution, still can have the very little iron fillings of part granule to fall into the working solution, through setting up the filter screen at the liquid outlet, can further avoid iron fillings to get into the circulation along with the working solution, influence processing, the filter screen is inserted and is established in the limit is put in the embedding of liquid outlet periphery, is convenient for take the filter screen out, clears up the filter screen, and easy operation is convenient.
The invention is further provided with: the height of the opening of the collecting box is lower than that of the filtering screen, and the left side and the right side of the upper end of the collecting box are obliquely provided with guide plates.
Through adopting above-mentioned technical scheme, when the cleaning roller reachd the collecting box top, the outage lost magnetism, and iron fillings fall into the collecting box along the guide plate in, make iron fillings fall into more smoothly, avoid iron fillings to fall into outside the collecting box.
The invention is further provided with: the motor is electrically connected with the controller, a pressure sensor is arranged in the containing cavity and arranged at the bottom end of the supporting rod, and the pressure sensor is electrically connected with the controller.
Through adopting above-mentioned technical scheme, set up pressure sensor, can detect the weight on the filter screen, iron fillings on the filter screen accumulate certain weight, make the bracing piece push down supporting spring and descend, contact pressure sensor when the bracing piece, pressure sensor transmits the pressure data who gathers to the controller, when reaching certain pressure value, through controller starter motor, make the cleaning roller begin to remove and rotate along the filter screen, adsorb iron fillings, pressure sensor's setting, make the controller can be according to the iron fillings volume starter motor on the filter screen, avoid when initial state iron fillings volume is few, the motor is also working, can reduce the energy consumption.
The invention has the beneficial effects that:
1. when an electric spark forming machine carries out electric spark machining on a workpiece, in order to avoid influence on machining caused by heat generation of a tool electrode and the workpiece, the electric spark forming machine can often use working fluid to carry out cooling treatment on the workpiece, the used cooling fluid can be mixed with scrap iron generated by machining, the working fluid mixed with the scrap iron flows through a filter screen, the scrap iron can be filtered and is left on the filter screen, and the working fluid enters a working fluid box, so that the separation of the working fluid and the scrap iron is realized, the working fluid enters a circulating pipeline to be reused, the scrap iron accumulated on the filter screen is driven to reciprocate on the filter screen by starting a driving assembly, and the scrap iron is cleaned to a collecting box.
2. The cleaning roller is a magnetic cleaning roller, in an initial state, the switch mechanism controls the cleaning roller to be electrified, the motor drives the cleaning roller to rotate and move towards the collection box along the filtering screen, at the moment, the cleaning roller has magnetism and adsorbs scrap iron on the filtering screen, when the cleaning roller reaches the upper part of the pressure rod, the pressure rod is pressed downwards, the pressure rod presses the switch mechanism to disconnect the switch mechanism, so that the cleaning roller is powered off and does not have magnetism any more, and the scrap iron on the outer wall of the cleaning roller can fall into the collection box due to the loss of magnetic attraction, so that the cleaning and collection of the scrap iron are realized; after in the iron fillings fall to the collecting box, motor drive gear reversal to drive the direction removal of cleaning roller to filter screen cloth, when the cleaning roller passes through the depression bar once more, press switch mechanism once more through the depression bar, make cleaning roller circular telegram once more have magnetism, begin again to adsorb iron fillings on the filter screen cloth, so the circulation is reciprocal, realizes automatically that the clearance of iron fillings on the filter screen cloth is collected, alleviates intensity of labour.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only 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 schematic structural diagram of a scrap removing device for working fluid of an electric spark forming machine according to the present invention;
FIG. 2 is a schematic structural view of a working fluid chip removing device of an electric discharge machine at another angle;
FIG. 3 is an enlarged partial schematic view at A in FIG. 2;
FIG. 4 is a schematic view of the contact between a cleaning roller and a pressure rod of the working fluid scrap removing device of the electric discharge machine of the invention;
fig. 5 is a schematic structural diagram of a switch mechanism of the working fluid scrap removing device of the electric spark forming machine.
In the figure, 1, a working liquid box, 11, a liquid outlet, 12, a filter screen, 13 and an embedded edge; 2. filtering the screen; 3. a fixed seat 31 and an accommodating cavity; 4. a support rod 41, a support spring; 5. the cleaning device 51, the cleaning roller 52, the driving component 521, the motor 522, the rack 523, the gear 524, the guide rail 525, the support plate 526, the slide carriage 53, the collection box 531 and the guide plate; 6. the switch mechanism comprises a switch mechanism 61, a cylindrical pin 62, a sliding block 63, a first spring 64, a guide groove 641, a locking section 642, a guide part 65, a connecting rod 66 and a switch; 7. the pressure lever 71, the return spring 72, the boss 721 and the arc-shaped groove.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to specific embodiments. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.
Referring to fig. 1, an electric spark make-up machine working solution removes bits device, including working solution case 1, filter screen 2 and cleaning device 5, the left and right sides of working solution case 1 all is provided with fixing base 3, the vertical chamber 31 that holds of having seted up in fixing base 3, it is equipped with bracing piece 4 to hold the interpolation of chamber 31, be provided with supporting spring 41 between 4 bottoms of bracing piece and the bottom that holds the chamber 31 inner wall, 4 tops of bracing piece are provided with filter screen 2, cleaning device 5 includes cleaning roller 51, drive assembly 52 and collecting box 53, collecting box 53 sets up the one side at working solution case 1, collecting box 53 upper surface is the opening setting, cleaning roller 51 sets up in filter screen 2 top, drive assembly 52 is used for driving cleaning roller 51 along filter screen 2 reciprocating motion. When the electric spark forming machine is used for carrying out electric spark machining on a workpiece, in order to avoid influence on machining due to heating of a tool electrode and the workpiece, the electric spark forming machine can often use working fluid to carry out cooling treatment on the workpiece, the used cooling fluid can be mixed with scrap iron generated by machining, the working fluid mixed with the scrap iron can flow through the filter screen 2, the scrap iron can be filtered and is left on the filter screen 2, the working fluid enters the working fluid box 1, separation of the working fluid and the scrap iron is realized, the working fluid enters the circulating pipeline for reutilization, the scrap iron accumulated on the filter screen 2 is accumulated, the driving assembly 52 is started, the driving cleaning roller 51 reciprocates on the filter screen 2, the scrap iron is cleaned to the collecting box 53, the filter screen 12 is prevented from being blocked, meanwhile, workers do not need to manually clean the scrap iron on the filter screen 2, and the labor intensity of the workers is reduced.
Referring to fig. 2 and 3, the driving assembly 52 includes a motor 521, two racks 522 and two guide rails 524, the two guide rails 524 are respectively disposed at the upper ends of the front and rear sides of the working fluid tank 1 and the collection box 53, the bottom end of the guide rail 524 is fixed on the side walls of the working fluid tank 1 and the collection box 53 through a plurality of support plates 525, one side of the guide rail 524 close to the filter screen 2 is provided with the racks 522, two ends of the cleaning roller 51 are both provided with gears 523 engaged with the racks 522, one end of the cleaning roller 51 is in transmission connection with the motor 521, the other end of the cleaning roller 51 is fixed on a bearing seat, and the bearing seat and the bottom end of the motor 521 are both provided with a sliding seat 526 matched with the guide rails 524. Starter motor 521, the gear 523 rotation of motor 521 drive cleaning roller 51 one end to it is rotatory to drive cleaning roller 51, simultaneously because gear 523 and rack 522 intermeshing for cleaning roller 51 is along rack 522 reciprocating motion, thereby realizes that cleaning roller 51 can also rotate in the removal, has increased cleaning roller 51 area of adsorbing iron fillings, makes cleaning roller 51 iron fillings clearance on to filter screen 2 more thorough.
Referring to fig. 4, the cleaning roller 51 is a magnetic cleaning roller 51, a switch 66 mechanism 6 is arranged in the accommodating cavity 31 on one side close to the collecting box 53, the switch 66 mechanism 6 is used for controlling the cleaning roller 51 to be powered on or powered off, a pressure rod 7 is arranged above the switch 66 mechanism 6, the pressure rod 7 is used for enabling the switch 66 mechanism 6 to be connected or disconnected, the pressure rod 7 is vertically arranged, the pressure rod 7 is inserted in the fixing seat 3, the top end of the pressure rod 7 is located above an opening of the working liquid box 1, when the cleaning roller 51 is located above the working liquid box 1, the bottom end of the cleaning roller 51 is contacted with the top end of the pressure rod 7, a reset spring 71 is sleeved on the pressure rod 7, and the reset spring 71 is used for enabling the pressure rod 7 to be reset after being pressed down by the cleaning roller 51. The cleaning roller 51 is a magnetic cleaning roller 51, the switch 66 mechanism 6 controls the cleaning roller 51 to be electrified in an initial state, the motor 521 drives the cleaning roller 51 to rotate and simultaneously move along the filter screen 2 towards the collecting box 53, at the moment, the cleaning roller 51 has magnetism and adsorbs iron filings on the filter screen 2, when the cleaning roller 51 reaches the upper part of the pressure rod 7, the pressure rod 7 is pressed down, the pressure rod 7 presses the switch 66 mechanism 6 to disconnect the switch 66 mechanism 6, so that the cleaning roller 51 is powered off and does not have magnetism any more, and the iron filings on the outer wall of the cleaning roller 51 lose magnetic attraction and fall into the collecting box 53, so that the iron filings are cleaned and collected; after in scrap iron falls to collecting box 53, motor 521 drive gear 523 reverses to drive cleaning roller 51 and remove to filter screen 2's direction, when cleaning roller 51 once more through depression bar 7, press switch 66 mechanism 6 once more through depression bar 7, make cleaning roller 51 circular telegram once more have magnetism, begin to adsorb the iron fillings on filter screen 2 again, so the circulation is reciprocal, realizes automatically that the clearance of iron fillings is collected on filter screen 2, alleviates intensity of labour.
Referring to fig. 4 and 5, the top end of the pressure lever 7 is provided with a boss 72, the upper surface of the boss 72 is provided with two arc-shaped grooves 721 matched with the outer wall of the cleaning roller 51, the top ends of the two arc-shaped grooves 721 are intersected, and the two arc-shaped grooves 721 are symmetrically arranged around the pressure lever 7. The arrangement of the two arc slots 721 on the boss 72 facilitates the cleaning roller 51 to press the pressing rod 7 downwards during the reciprocating motion.
Referring to fig. 5, the switch 66 mechanism 6 includes a cylindrical pin 61, the cylindrical pin 61 passes through the fixed seat 3 and is inserted and established in holding the chamber 31, a slider 62 is fixed to the lower end of the cylindrical pin 61, the slider 62 and the inner wall sliding connection of the holding chamber 31, a first spring 63 is arranged between the bottom end of the cylindrical pin 61 and the bottom end of the inner wall of the holding chamber 31, a guide groove 64 is arranged on the surface of one side of the slider 62 away from the cylindrical pin 61, a connecting rod 65 is arranged between the guide groove 64 and the bottom end of the fixed seat 3, the bottom end of the connecting rod 65 is rotatably connected with the bottom of the fixed seat 3, the top end of the connecting rod 65 is slidably connected with the guide groove 64, a switch 66 is arranged at the bottom end of the holding chamber 31 right below the cylindrical pin 61, and the switch 66 is connected to a power supply. The guide groove 64 is arranged in a diamond shape, two adjacent edges of the guide groove 64 are connected smoothly, the top end of the guide groove 64 is provided with a locking section 641, the top end and the bottom end of the locking section 641 are both arranged in an inward concave circular arc, the lowest point of the top circular arc and the lowest point of the bottom circular arc of the locking section 641 are arranged eccentrically, the bottom end of the guide groove 64 is provided with a guide portion 642, the top end and the bottom end of the guide portion 642 are arranged in a groove, and the lowest point of the top groove and the lowest point of the bottom groove of the guide portion 642 are arranged eccentrically. In the initial state, the cylindrical pin 61 is pressed downwards, the first spring 63 is in a compressed state, one end of the connecting rod 65 is located at the locking section 641, at this time, the bottom end of the cylindrical pin 61 is pressed against the switch 66 to enable the switch 66 to be communicated, the cleaning roller 51 is electrified and has magnetism to adsorb iron filings on the filter screen 2, when the cleaning roller 51 moves to the upper part of the pressure rod 7, the cleaning roller 51 is contacted with the pressure rod 7 and presses the pressure rod 7 downwards, the bottom end of the pressure rod 7 moves downwards to press the cylindrical pin 61, so that the cylindrical pin 61 drives the sliding block 62 to descend along the inner wall of the accommodating cavity 31, at this time, one end of the connecting rod 65 moves to the guide part 642 from the locking section 641 along the guide groove 64, the cylindrical pin 61 moves upwards under the restoring force of the first spring 63 without pressing the switch 66, the switch 66 is broken, the cleaning roller 51 is powered off, the magnetism is not provided any more, so that the iron filings smoothly fall into the collecting box 53, the cleaning roller 51 continues to move to the other end of the collecting box 53, the pressure lever 7 returns to the initial position under the action of the return spring 71; when the cleaning roller 51 reaches the other end of the collection box 53, under the driving action of the motor 521, the cleaning roller 51 moves back, passes through the pressing rod 7 again and is pressed downwards, the bottom end of the pressing rod 7 moves downwards, and presses the cylindrical pin 61, so that the cylindrical pin 61 drives the sliding block 62 to descend along the inner wall of the accommodating cavity 31, at the moment, one end of the connecting rod moves to the locking section 641 from the guide part 642 along the guide groove 64 and is locked, the first spring 63 keeps a compressed state until next pressing and triggering are carried out, the switch 66 keeps a communicated state, the cleaning roller 51 is electrified and magnetic, and the iron chips are adsorbed again.
Referring to fig. 1, a liquid outlet 11 is arranged at the lower end of the side wall of one side of the working liquid tank 1, a filter screen 12 is arranged at the position of the liquid outlet 11, the aperture of the mesh of the filter screen 12 is smaller than that of the mesh of the filter screen 2, an embedding edge 13 is arranged on the periphery of the outer wall of the working liquid tank 1, which is located at the liquid outlet 11, and the filter screen 12 is inserted into the embedding edge 13 from the upper side. Filter screen 2 can carry out maximum filtration to the iron fillings that mix with in the working solution, still can have the very little iron fillings of part granule to fall into the working solution, through set up filter screen 12 at liquid outlet 11, can further avoid iron fillings to get into the circulation along with the working solution, influence processing, filter screen 12 inserts and establishes in the limit 13 is put to the embedding in 11 peripheries of liquid outlet, is convenient for take filter screen 12 out, clears up filter screen 12, and easy operation is convenient.
Referring to fig. 1, the height of the opening of the collection box 53 is lower than that of the filter screen 2, and guide plates 531 are obliquely arranged on both left and right sides of the upper end of the collection box 53. When cleaning roller 51 reachd the collecting box 53 top, the outage loses magnetism, and iron fillings fall into collecting box 53 along guide plate 531 in, make iron fillings fall into more smoothly, avoid iron fillings to fall into outside collecting box 53.
Specifically, the device further comprises a controller, wherein the motor 521 is electrically connected with the controller, a pressure sensor is arranged in the accommodating cavity 31 and arranged at the bottom end of the support rod 4, and the pressure sensor is electrically connected with the controller. Set up pressure sensor, can detect the weight on the filter screen 2, iron fillings accumulation when filter screen 2 goes up basis weight, make bracing piece 4 push down supporting spring 41 and descend, contact pressure sensor when bracing piece 4, pressure sensor transmits the pressure data who gathers to the controller, when reaching certain pressure value, through controller starter motor 521, make cleaning roller 51 begin to remove and rotate along filter screen 2, adsorb iron fillings, pressure sensor's setting, make the controller can be according to iron fillings volume starter motor 521 on the filter screen 2, avoid when initial state iron fillings volume, motor 521 also is working, can reduce the energy consumption.
Claims (7)
1. The utility model provides an electric spark make-up machine working solution removes bits device which characterized in that: comprises a working liquid tank (1), a filtering screen (2) and a cleaning device (5), wherein fixing seats (3) are arranged on the left side and the right side of the working liquid tank (1), a containing cavity (31) is vertically arranged in each fixing seat (3), a supporting rod (4) is inserted in each containing cavity (31), a supporting spring (41) is arranged between the bottom end of each supporting rod (4) and the bottom end of the inner wall of each containing cavity (31), the filtering screen (2) is arranged at the top end of each supporting rod (4), the cleaning device (5) comprises a cleaning roller (51), a driving assembly (52) and a collecting box (53), the collecting box (53) is arranged on one side of the working liquid tank (1), the upper surface of the collecting box (53) is provided with an opening, the cleaning roller (51) is arranged above the filtering screen (2), the driving assembly (52) is used for driving the cleaning roller (51) to reciprocate along the filtering screen (2), the driving assembly (52) comprises a motor (521), racks (522) and two guide rails (524), the two guide rails (524) are respectively arranged at the upper ends of the front side and the rear side of the working liquid tank (1) and the collection box (53), the bottom ends of the guide rails (524) are fixed on the side walls of the working liquid tank (1) and the collection box (53) through a plurality of support plates (525), the racks (522) are arranged on one side of the guide rails (524) close to the filter screen (2), gears (523) meshed with the racks (522) are arranged at two ends of the cleaning roller (51), one end of the cleaning roller (51) is in transmission connection with the motor (521), the other end of the cleaning roller (51) is fixed on a bearing seat, and sliding seats (526) matched with the guide rails (524) are arranged at the bottom ends of the bearing seat and the motor (521), the cleaning roller (51) is a magnetic cleaning roller (51), a switch mechanism (6) is arranged in the accommodating cavity (31) close to one side of the collecting box (53), the switch mechanism (6) is used for controlling the cleaning roller (51) to be powered on or powered off, a pressure lever (7) is arranged above the switch mechanism (6), the pressure lever (7) is used for connecting or disconnecting the switch mechanism (6), the pressure lever (7) is vertically arranged, the pressure lever (7) is inserted in the fixed seat (3), the top end of the pressure lever (7) is positioned above the opening of the working liquid tank (1), when the cleaning roller (51) is positioned above the working liquid box (1), the bottom end of the cleaning roller (51) is contacted with the top end of the pressure rod (7), the pressing rod (7) is sleeved with a return spring (71), and the return spring (71) is used for enabling the pressing rod (7) to be reset after being pressed down by the cleaning roller (51).
2. The electric discharge machine working fluid chip removal device according to claim 1, characterized in that: the top end of the pressing rod (7) is provided with a boss (72), the upper surface of the boss (72) is provided with two arc-shaped grooves (721) matched with the outer wall of the cleaning roller (51), the top ends of the two arc-shaped grooves (721) are intersected, and the two arc-shaped grooves (721) are symmetrically arranged relative to the pressing rod (7).
3. The electric discharge machine working fluid chip removal device according to claim 1, characterized in that: the switch mechanism (6) comprises a cylindrical pin (61), the cylindrical pin (61) penetrates through the fixed seat (3) and is inserted into the accommodating cavity (31), a sliding block (62) is fixed at the lower end of the cylindrical pin (61), the sliding block (62) is in sliding connection with the inner wall of the accommodating cavity (31), a first spring (63) is arranged between the bottom end of the cylindrical pin (61) and the bottom end of the inner wall of the accommodating cavity (31), a guide groove (64) is arranged on the surface of one side, away from the cylindrical pin (61), of the sliding block (62), a connecting rod (65) is arranged between the guide groove (64) and the bottom end of the fixed seat (3), the bottom end of the connecting rod (65) is rotatably connected with the bottom of the fixed seat (3), the top end of the connecting rod (65) is in sliding connection with the guide groove (64), a switch (66) is arranged at the bottom end of the accommodating cavity (31) under the cylindrical pin (61), the switch (66) is connected to a power source.
4. The electric spark forming machine working fluid scrap removal device according to claim 3, wherein: the utility model discloses a locking structure, including guide way (64), draw-in groove (641), locking section (641), guide way (64) are connected between the slick and sly, the top of guide way (64) is provided with locking section (641), the top and the bottom of locking section (641) all are the circular arc setting of indent, just the minimum of locking section (641) top circular arc sets up with the minimum off-centre of bottom circular arc, the bottom of guide way (64) is provided with guide part (642), the top and the bottom of guide part (642) are the recess setting, the minimum of guide part (642) top recess sets up with the minimum off-centre of bottom recess.
5. The electric discharge machine working fluid chip removal device according to claim 1, characterized in that: the lateral wall lower extreme of working solution case (1) one side is provided with liquid outlet (11), liquid outlet (11) department is provided with filter screen (12), the mesh aperture of filter screen (12) is less than the mesh aperture of filter screen cloth (2), the outer wall of working solution case (1) is located the periphery of liquid outlet (11) is equipped with inlays and puts limit (13), filter screen (12) are inserted from the top and are established inlay in limit (13).
6. The electric discharge machine working fluid chip removal device according to claim 1, characterized in that: the height of the opening of the collecting box (53) is lower than that of the filtering screen (2), and guide plates (531) are obliquely arranged on the left side and the right side of the upper end of the collecting box (53).
7. The electric discharge machine working fluid chip removal device according to any one of claims 2 to 6, characterized in that: the motor (521) is electrically connected with the controller, a pressure sensor is arranged in the accommodating cavity (31), the pressure sensor is arranged at the bottom end of the supporting rod (4), and the pressure sensor is electrically connected with the controller.
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| CN202110603712.2A CN113275677B (en) | 2021-05-31 | 2021-05-31 | Working liquid scrap removing device of electric spark forming machine |
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| CN113275677B true CN113275677B (en) | 2022-07-12 |
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| CN117428270B (en) * | 2023-12-20 | 2024-05-14 | 泰州市福仕达机床配件厂 | Iron removing equipment for wire cutting working solution |
| CN117655433B (en) * | 2024-01-31 | 2024-04-16 | 成都鼎易精密模具有限公司 | Miniature small hole processing method |
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| JP2005279924A (en) * | 2004-03-30 | 2005-10-13 | General Electric Co <Ge> | Washing and filtrating system for an electric discharge machining machine |
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