CN110406244A - Electric carving needle, electric carving head and electric carving platemaking equipment - Google Patents

Electric carving needle, electric carving head and electric carving platemaking equipment Download PDF

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Publication number
CN110406244A
CN110406244A CN201910650631.0A CN201910650631A CN110406244A CN 110406244 A CN110406244 A CN 110406244A CN 201910650631 A CN201910650631 A CN 201910650631A CN 110406244 A CN110406244 A CN 110406244A
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CN
China
Prior art keywords
electric carving
torsion bar
interconnecting piece
bar mechanism
tuner section
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Granted
Application number
CN201910650631.0A
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Chinese (zh)
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CN110406244B (en
Inventor
贾松涛
陈家俊
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GOOGOL TECHNOLOGY (SHENZHEN) Ltd
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GOOGOL TECHNOLOGY (SHENZHEN) Ltd
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Priority to CN201910650631.0A priority Critical patent/CN110406244B/en
Publication of CN110406244A publication Critical patent/CN110406244A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41CPROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
    • B41C1/00Forme preparation
    • B41C1/02Engraving; Heads therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41CPROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
    • B41C1/00Forme preparation
    • B41C1/02Engraving; Heads therefor
    • B41C1/04Engraving; Heads therefor using heads controlled by an electric information signal
    • B41C1/045Mechanical engraving heads

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)

Abstract

This application involves a kind of electric carving needle, electric carving head and electric carving platemaking equipments.Above-mentioned electric carving needle with torsion bar mechanism for connecting, electric carving needle includes cutter, elastic component, fixed plate and mass block, cutter includes blade part, interconnecting piece and tuner section, connecting portion is between blade part and tuner section, the both ends of interconnecting piece are connect with blade part and tuner section respectively, and interconnecting piece with torsion bar mechanism for connecting;One end of elastic component is connected to the one side away from tuner section of fixed plate;The connection of the other end of mass block and elastic component.Cutter drives mass block to move simultaneously during rotation, when cutter generates vibration under by the incentive action of torsion bar mechanism, cutter drives elastic component and mass block to vibrate simultaneously, the inertia force that mass block generates is reacted on cutter by elastic component, tunning effect is generated with the vibration to cutter, to achieve the purpose that reduce vibration cutting reaction, the first rank resonance peak of cutter is significantly reduced, solves the problems, such as that the precision and quality of plate-making is lower.

Description

Electric carving needle, electric carving head and electric carving platemaking equipment
Technical field
This application involves the technical fields of roller processing and manufacturing, more particularly to a kind of electric carving needle, electric carving head and electric carving system Version equipment.
Background technique
With economic development, intaglio printing has become the mainstream of packages printing.The roller of intaglio printing is made a plate using electric carving Equipment is made a plate.The key components and parts of electric carving platemaking equipment are electric carving head, have conclusive shadow to printing quality and efficiency It rings.Electric carving head is the conversion equipment for converting electrical energy into mechanical energy, to export the power of high-frequency reciprocating movement, the basic principle is that By the depth that Lorentz force trigger shaft drives diamond point of a knife incision roller surface layers of copper specified, while using high rigidity bullet Spring provides knife bar elastic-restoring force.Electric carving head is generally operational in higher operating frequency environment, such as 8000Hz commonly used in the trade Or it is higher.
However, the one class resonant frequency of electric carving head is higher as working frequency locating for electric carving head is higher.When electric carving head One class resonant frequency it is higher when, the overshoot of electric carving head is also larger and convergence time is also longer, makes electric carving head in lithography process In deviation it is larger, cause plate-making precision and quality it is lower.
Summary of the invention
Based on this, it is necessary to for the lower problem of the precision and quality of plate-making, provide a kind of electric carving head and electric carving system Version equipment.
A kind of electric carving needle, for connecting with torsion bar mechanism, the electric carving needle includes:
Cutter, the cutter include blade part, interconnecting piece and tuner section, the connecting portion in the blade part with it is described Between tuner section, the both ends of the interconnecting piece are connect with the blade part and the tuner section respectively, the interconnecting piece be used for The torsion bar mechanism connection;
Fixed plate, the fixed plate are connected to the tuner section;
Elastic component, one end of the elastic component are connected to the one side away from the tuner section of the fixed plate;Mass block, The mass block is connect with the other end of the elastic component;
Wherein, the interconnecting piece offers mounting hole, and the mounting hole by the torsion bar mechanism for being passed through, so that described Interconnecting piece is connect with the torsion bar mechanism.
The mounting hole is non-circular hole in one of the embodiments, in case torsion bar mechanism and interconnecting piece relatively rotate, Torsion bar mechanism and interconnecting piece are rotated synchronously, the first rank resonance peak of cutter is preferably reduced, while improving the system of electric carving needle Version precision and quality.
The inner wall of the mounting hole is formed with rotation stop plane in one of the embodiments, and the rotation stop plane is for limiting The fixed torsion bar mechanism relatively rotates, in order to avoid torsion bar mechanism and interconnecting piece relatively rotate, makes torsion bar mechanism is synchronous with interconnecting piece to turn It is dynamic, the first rank resonance peak of cutter is preferably reduced, while improving the plate-making precision and quality of electric carving needle.
The position that the tuner section is connected to the interconnecting piece in one of the embodiments, formed it is fluted, with mitigate The weight of cutter reduces the rotary inertia of cutter.
The inner wall of the groove extends to the interconnecting piece in one of the embodiments, keeps the weight of cutter lower, into Reduce to one step the rotary inertia of cutter.
The inner wall of the groove is arc-shaped curved surface knot at least at the position of the interconnecting piece in one of the embodiments, Structure keeps the difficulty of processing of groove lower, while reducing the stress intensity of cutter.The fixed plate in one of the embodiments, It is removably connected to the tuner section, elastic component and mass block are safeguarded with periodically unloading bottom plate, or according to different Tuning requires to replace different mass blocks.
The electric carving needle further includes locking member in one of the embodiments, and the fixed plate offers connecting hole, described Tuner section offers threaded hole, and the locking member is arranged in respectively in the connecting hole and the threaded hole, so that fixed plate can Dismantling connection is in tuner section.
The fixed plate is spring plate structure in one of the embodiments, and fixed plate is made to have preferable elasticity, this Sample fixed plate plays the role of elastic buffer and vibration damping, creates a further reduction the first rank resonance peak of cutter.
A kind of electric carving head, including electric carving needle described in pedestal, torsion bar mechanism and any of the above-described embodiment, the torsion bar mechanism It is rotationally connected with the pedestal, the interconnecting piece is connect with the torsion bar mechanism.
A kind of electric carving platemaking equipment, including above-mentioned electric carving head.
Above-mentioned electric carving needle, electric carving head and electric carving platemaking equipment, interconnecting piece are connect with torsion bar mechanism, when torsion bar mechanism rotates When, cutter is rotated with torsion bar mechanism, to carve to roller;Since one end of elastic component is connected to deviating from for the fixed plate The one side of the tuner section, makes elastic component be connected to tuner section by fixed plate;Since connecting portion is in blade part and tuner section Between, and the both ends of interconnecting piece are connect with blade part and tuner section respectively, and since mass block by elastic component is connected to tuning Portion, such cutter drives mass block to move simultaneously during rotation, when cutter generates vibration under by the incentive action of torsion bar mechanism When dynamic, cutter drives elastic component and mass block to vibrate simultaneously, and the inertia force that mass block generates reacts to cutter by elastic component On, tunning effect is generated with the vibration to cutter, to achieve the purpose that reduce vibration cutting reaction, significantly reduces cutter The first rank resonance peak so that the overshoot of electric carving needle is smaller and convergence time is also shorter, thus solve plate-making precision and The lower problem of quality.
Detailed description of the invention
Fig. 1 is the schematic diagram of the electric carving head of an embodiment;
Fig. 2 is the schematic diagram of the electric carving needle of electric carving head shown in Fig. 1;
Fig. 3 is the schematic diagram at another visual angle of electric carving needle shown in Fig. 2;
Fig. 4 is the explosive view of electric carving head shown in Fig. 1;
Fig. 5 is that electric carving head shown in Fig. 1 is equipped with the spectrogram before and after TMD system.
Specific embodiment
The application in order to facilitate understanding, below with reference to relevant drawings to electric carving needle, electric carving head and electric carving platemaking equipment into Row a more complete description.The preferred embodiment of electric carving needle, electric carving head and electric carving platemaking equipment is given in attached drawing.But electric carving Needle, electric carving head and electric carving platemaking equipment can be realized using many different forms, however it is not limited to implementation described herein Example.On the contrary, purpose of providing these embodiments is makes to the disclosure of electric carving needle, electric carving head and electric carving platemaking equipment more It is thorough and comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ", " right side " and similar statement for illustrative purposes only, are not meant to be the only embodiment.
Unless otherwise defined, all technical and scientific terms used herein and the technical field for belonging to the application The normally understood meaning of technical staff is identical.Made in the specification of electric carving needle, electric carving head and electric carving platemaking equipment herein Term, which is only for the purpose of describing specific embodiments, is not intended to limit the application.Term as used herein " and/or " it include any and all combinations of one or more related listed items.
One embodiment is, a kind of electric carving needle for being connect with torsion bar mechanism, the electric carving needle include cutter, elastic component and Mass block, the cutter include blade part, interconnecting piece and tuner section, and the connecting portion is in the blade part and the tuner section Between, the both ends of the interconnecting piece are connect with the blade part and the tuner section respectively, and the interconnecting piece is used for and the torsion Linkage connection;One end of the elastic component is connect with the tuner section;The other end of the mass block and the elastic component connects It connects.
As shown in Figure 1, the electric carving head 10 of an embodiment includes pedestal 100, torsion bar mechanism 200 and electric carving needle 300.The torsion Linkage is rotationally connected with the pedestal, and electric carving needle is connect with the torsion bar mechanism, rotates electric carving needle with torsion bar mechanism.
As shown in Figure 2 and Figure 3, in one embodiment, the electric carving needle includes cutter 310, elastic component 320 and mass block 330.The cutter includes blade part 311, interconnecting piece 313 and tuner section 315, the connecting portion in the blade part with it is described Between tuner section, the both ends of the interconnecting piece are connect with the blade part and the tuner section respectively.In the present embodiment, blade Portion, interconnecting piece and tuner section are integrally formed, and keep the structure of electric carving needle compacter.In other embodiments, blade part, interconnecting piece and Tuner section can also be separately formed, and blade part, interconnecting piece and tuner section are connected together by welding or splicing.
The interconnecting piece is connect with the torsion bar mechanism in one of the embodiments, connects torsion bar mechanism and electric carving needle It connects.One end of the elastic component is connect with the tuner section, and the other end of the elastic component is connect with the mass block, makes quality Block is connected to tuner section by elastic component.In the present embodiment, elastic component is helical spring.In other embodiments, elastic component For elastic rubber column gel column.Further, in one of the embodiments, the quality of the mass block according to the first rank resonance peak of cutter Value and cutter vibration frequency or cutter slewing rate and be arranged.
Above-mentioned electric carving needle, electric carving head and electric carving platemaking equipment, interconnecting piece are connect with torsion bar mechanism, when torsion bar mechanism rotates When, cutter is rotated with torsion bar mechanism, to carve to roller.Since connecting portion is between blade part and tuner section, and even The both ends of socket part are connect with blade part and tuner section respectively, and since mass block by elastic component is connected to tuner section, such knife Tool drives mass block to move simultaneously during rotation, when cutter generates vibration under by the incentive action of torsion bar mechanism, cutter Elastic component and mass block is driven to vibrate simultaneously, the inertia force that mass block generates is reacted on cutter by elastic component, to knife The vibration of tool generates tunning effect, to achieve the purpose that reduce vibration cutting reaction, significantly reduces the first rank of cutter Resonance peak, to reduce the first rank resonant frequency peak of torsion bar mechanism, so that the overshoot of electric carving head is smaller and convergence time Also shorter, to solve the problems, such as that the precision and quality of plate-making is lower.
As shown in Fig. 2, be so that the interconnecting piece is connect with the torsion bar mechanism, it is described in one of the embodiments, Interconnecting piece offers mounting hole 313a, the mounting hole for being passed through by the torsion bar mechanism so that the interconnecting piece with it is described Torsion bar mechanism connection.In the present embodiment, torsion bar mechanism is arranged in mounting hole and connect with interconnecting piece.
The mounting hole is non-circular hole in one of the embodiments, connect torsion bar mechanism with interconnecting piece and is unlikely to There is the situation relatively rotated, to keep torsion bar mechanism opposing stationary with interconnecting piece.As shown in Fig. 2, one embodiment wherein In, the inner wall of the mounting hole is formed with rotation stop plane 3131, and for limiting, the torsion bar mechanism is opposite to be turned the rotation stop plane It is dynamic, in order to avoid torsion bar mechanism and interconnecting piece relatively rotate, rotate synchronously torsion bar mechanism and interconnecting piece, preferably the of reduction cutter Single order resonance peak, while improving the plate-making precision and quality of electric carving needle.Referring also to Fig. 4, in the present embodiment, torsion bar mechanism Equipped with the bearing surface 202 abutted against with rotation stop plane, bearing surface is abutted with rotation stop plane, and torsion bar mechanism is made to be limited in mounting hole Interior, efficiently avoiding torsion bar mechanism and electric carving needle there are problems that relatively rotating.
As shown in figure 3, interconnecting piece stops adjacent to described in one of the embodiments, to extend the service life of electric carving needle The outer wall for turning plane is formed with boss structure 313b, to improve the intensity that interconnecting piece is connect with torsion bar mechanism, in case mounting hole holds The situation easily burst apart extends the service life of electric carving needle.
As shown in Fig. 2, the tuner section is connected to institute in one of the embodiments, to reduce the rotary inertia of cutter The position for stating interconnecting piece forms fluted 315a, to mitigate the weight of cutter, reduces the rotary inertia of cutter.In the present embodiment In, groove is opened in the position that tuner section is connect with elastic component.Elastic component is connected to the interior of groove in one of the embodiments, Wall.Groove is formed in the slot structure that tuner section is recessed towards the direction away from the elastic component.In the present embodiment, the elastic component It is connected to the inner wall of the groove.
As shown in Fig. 2, further to reduce the rotary inertia of cutter, the in one of the embodiments, groove The inner wall of 315a extends to the interconnecting piece 313, keeps the weight of cutter lower, further reduces the rotary inertia of cutter. The inner wall of the groove is arc-shaped curved surface structure at least at the position of the interconnecting piece in one of the embodiments, is made recessed The difficulty of processing of slot is lower, while reducing the stress intensity of cutter.
As shown in figure 3, to make elastic component be connected to tuner section by fixed plate, the electricity in one of the embodiments, Carving needle further includes fixed plate 340, and the fixed plate is connected to the tuner section, and one end of the elastic component is connected to the fixation The one side away from the tuner section of plate, makes elastic component be connected to tuner section by fixed plate.In the present embodiment, fixed plate connects It is connected to the inner wall of groove, is connected to mass block in the groove of tuner section by fixed plate, while making mass block preferably to electricity The rotation direction of carving needle is tuned.Groove is opened in the rotation of the separate electric carving needle of tuner section in one of the embodiments, The side in direction, when rotating electric carving needle with torsion bar mechanism, electric carving needle drives mass block to rotate together.In one embodiment, Gu Fixed board, elastic component and mass block collectively constitute the TMD system of electric carving head.When electric carving header structure generates vibration under outer incentive action When, drive TMD system to vibrate together, the inertia force that TMD system generates reacts in structure, tunes this inertia force, makes it Tunning effect is generated to the vibration of main structure, to achieve the purpose that reduce structural vibration reaction.As shown in figure 5, installation TMD system The spectrogram of electric carving head before and after uniting.As can be seen from Figure 5, be equipped with TMD system can be effectively reduced electric carving head the first rank it is humorous Shake peak value, and electric carving head is made to have better spectral response characteristic.
The fixed plate is removably connected to the tuner section in one of the embodiments, periodically to unload bottom plate Elastic component and mass block are safeguarded, or require to replace different mass blocks according to different tunings.As shown in figure 3, at it In middle one embodiment, the electric carving needle further includes locking member 350, and the fixed plate offers connecting hole 342, the tuner section Fixation hole 315c is offered, the locking member is arranged in respectively in the connecting hole and the fixation hole, so that fixed plate is removable It unloads and is connected to tuner section.In the present embodiment, locking member includes locking stud 351 and nut 353, and lock-screw is arranged in respectively In connecting hole and fixation hole, nut is sheathed on lock-screw and connect with lock-screw screw thread, keeps fixed plate reliably solid Surely it is connected to tuner section.
Fixation hole is threaded hole in one of the embodiments, connect locking member with tuner section and nut thread respectively, To make fixed plate is stronger to be connected to tuner section.In other embodiments, fixation hole can also be through-hole.In other embodiments In, nut also can be omitted.Fixation hole is threaded hole, and locking member is lock-screw, is threadedly coupled locking member with tuner section.
The fixed plate is spring plate structure in one of the embodiments, so that fixed plate is had elasticity, to make electricity Carving head has preferably buffering and damping property.In the present embodiment, fixed plate is elastic blob of viscose, has fixed plate preferable Elasticity.In other embodiments, fixed plate can also be metallic elastic plate.
It is appreciated that in other embodiments, fixed plate is not limited only to be fixed on tuner section in such a way that screw is locked. Fixed plate is connected to tuner section in such a way that magnetic is fixed in one of the embodiments,.Certainly, in other embodiments, Locking member can be omitted.Fixed plate is fixed on tuner section by way of welding or being glued.
It is appreciated that in other embodiments, groove can also be opened in the side of tuner section, and elastic component is connected to tune The other side in humorous portion.
Torsion bar mechanism includes torsion bar and damper in one of the embodiments,.Torsion bar is rotationally connected on pedestal.Damping Device is sheathed on torsion bar and connect with torsion bar, and damper is connect with pedestal.Interconnecting piece is connected to the torsion bar, make interconnecting piece with Torsion bar mechanism connection.In the present embodiment, the first mounting hole, the second mounting hole and cavity, the first mounting hole are offered on pedestal It is connected to by cavity with the second mounting hole.Torsion bar is arranged in respectively in the first mounting hole and the second mounting hole, and is rotated with pedestal Connection.
Damper is used for the rotation to torsion bar and generates damping, and resistance of the damper to torsion bar in one of the embodiments, Buddhist nun's power is adjustable, keeps damping force caused by damper adjustable, advantageously reduces the resonance peak of electric carving head, while shortening resonance Frequency causes the die-away time of shake, improves the engraving precision of electric carving head.When the work of electric carving head, torsion bar turns relative to pedestal It is dynamic, while the damping action of device dampened, to reduce the resonance peak of torsion bar mechanism, while shortening resonance frequency and causing torsion bar machine The die-away time of structure shake.
The damper includes stator electrode and rotor electrode in one of the embodiments,.Stator electrode is connected to base Seat.Stator electrode is formed with the through-hole being connected and accommodating chamber, and it is interior and electric with the stator that the torsion bar is arranged in the through-hole Pole rotation connection.The accommodating chamber is for accommodating ER fluid (ER liquid or ER fluid, Electrorheological Fluids).The rotor electrode is sheathed on the torsion bar, and the rotor electrode is located in the accommodating chamber.The stator electricity The outer wall of the inner wall of pole and the rotor electrode is electrically connected with external power supply.In the present embodiment, the inner wall of stator electrode with The anode electrical connection of external power supply, the outer wall of rotor electrode are electrically connected with the cathode of external power supply.In other embodiments, stator The inner wall of electrode can also be electrically connected with the cathode of external power supply, and the anode of the outer wall of rotor electrode and external power supply is electrically connected It connects.
Electric carving needle is connected to torsion bar, and stator electrode is connected to pedestal, keeps stator electrode opposite base static.Due to rotor electricity Pole is sheathed on torsion bar, and rotor electrode is enable to rotate with torsion bar, and when torsion bar rotation, torsion bar drives rotor electrode relative to stator Electrode rotation, rotor electrode contacts with ER fluid and stirs ER fluid, and rotor electrode is with ER fluid metamorphosis Suffered damping can also occur to change accordingly.Since the inner wall and rotor electrode outer wall of stator electrode are electrically connected with external power supply It connects, makes to generate electric field between the inner wall of stator electrode and rotor electrode outer wall, ER fluid in liquid and is consolidated under electric field action Change between state, specifically, when electric field strength is greater than critical value, ER fluid is solid-state.When electric field strength is less than or equal to When critical value, ER fluid is liquid.When torsion bar rotation, by adjusting the output voltage size of external power supply to change electric field Intensity, so as to flexibly control the damping size being subject in torsion bar rotation process, such torsion bar mechanism can be to natural resonance Rapid decay is shaken caused by frequency, solves the problems, such as that the engraving precision of electric carving head is lower.
In one embodiment, the outer surface of stator electrode is insulation processing structure, when stator electrode being avoided to connect with pedestal In conduction to pedestal.In the present embodiment, the outer wall of stator electrode is coated with insulating layer, and the outer wall of cell electrodes is made to have insulation Performance.Insulating layer is epoxy resin layer in one of the embodiments, and insulating layer is made to have preferable insulation performance.
The rotor electrode has blade construction in one of the embodiments, increases rotor electrode and ER fluid Contact area.The rotor electrode includes rotor body and blade part in one of the embodiments,.The rotor body set Set on the torsion bar, the blade part is connected to the rotor body, and rotor electrode is made to have blade construction.In the present embodiment In, rotor body is tube-in-tube structure.The blade part is connected to the outside of the rotor body in one of the embodiments, Keep the contact area of blade part and ER fluid larger.
The number of the blade part is multiple in one of the embodiments, and multiple blade parts are arranged at intervals at institute Rotor body is stated, i.e., multiple blade parts make the contact surface of rotor electrode and ER fluid along the circumferentially-spaced distribution of rotor body Product is bigger.The angle of two blade parts of arbitrary neighborhood is identical in one of the embodiments, i.e., between two neighboring blade Angle it is equal, keep the contact area of two blade parts of arbitrary neighborhood and ER fluid all the same, to make each of rotor electrode The damping force of ER fluid suffered by a position is equal, makes damping force suffered by each position of rotor electrode more uniform in this way.
For the contact area for improving blade part and ER fluid, to improve the damping force of damper, an implementation wherein In example, blade part is equipped with multiple bulge-structures.When blade part is rotated with rotor body relative to stator electrode, blade part and electricity The contact area of rheology liquid increases, and increases the contact area of rotor electrode and ER fluid, improves the damping force of damper. In the present embodiment, bulge-structure is bump structure.In other embodiments, bulge-structure can also be tab structures, make convex The contact area for playing structure and ER fluid is larger.Bulge-structure is in the laminated structure of bending in one of the embodiments, Keep the contact area of bulge-structure and ER fluid larger.In the present embodiment, bulge-structure is welded on blade part, makes protrusion Structure is reliably connected in blade part.
The number of blade part is multiple in one of the embodiments, and multiple blade parts are along the circumferentially-spaced of rotor body Distribution.Each blade part is equipped with multiple bulge-structures, and each bulge-structure is tab structures.When multiple blade parts are with rotor When ontology rotates, the contact area of the ER fluid in multiple blade parts and accommodating chamber increases, and makes rotor electrode and ER fluid Contact area increase, improve the damping force of damper.
The torsion bar includes torsion bar ontology and insulating sleeve in one of the embodiments, and the insulating sleeve is sheathed on The torsion bar.The insulating sleeve is arranged in the through-hole and is rotatablely connected with the stator electrode, the rotor electrode set Set on the insulating sleeve.Since insulating sleeve is sheathed on torsion bar ontology, rotor electrode is sheathed on insulating sleeve, makes rotor electrode Be sheathed on torsion bar ontology, insulating sleeve be set between rotor electrode and torsion bar ontology, make rotor electrode and torsion bar ontology it Between insulate assembling, avoid rotor electrode conduction to torsion bar ontology.
The torsion bar includes torsion bar ontology and insulating sleeve in one of the embodiments, and the insulating sleeve is sheathed on The torsion bar.The insulating sleeve is arranged in the through-hole and is rotatablely connected with the stator electrode.The rotor electrode packet Include rotor body and multiple blade parts.The rotor body is sheathed on the insulating sleeve, and multiple blade parts are connected to institute It states on the outer wall of rotor body, makes rotor electrode that there is blade construction.In the present embodiment, torsion bar ontology is connected to interconnecting piece. Blade part is connected to the outside away from insulating sleeve of rotor body, make liquid contact surface product in blade part and accommodating chamber compared with Greatly, while making to be separated between rotor body and torsion bar ontology by insulating sleeve.Specifically, torsion bar body part is located in mounting hole And it is connect with interconnecting piece.Bearing surface is set on torsion bar ontology.
In the present embodiment, torsion bar ontology is wolfram steel material, and torsion bar ontology is made to have preferable flexural strength and anti-shearing Performance extends the service life of torsion bar ontology.It is appreciated that in other embodiments, insulating sleeve can be omitted, torsion bar sheet The position of body and rotor electrode assembly coats one layer of insulating coating, makes have insulating properties between torsion bar ontology and rotor electrode.When So, in other embodiments, torsion bar ontology is also not limited to using wolfram steel material, can be had using other preferably counter-bending strong Degree, anti-shear performance and insulating properties material, such as diamond material.
In one embodiment, torsion bar and stator electrode are rotatablely connected, and are tightly connected between torsion bar and stator electrode, are avoided ER fluid is omitted between torsion bar and stator electrode, makes have preferable sealing performance between torsion bar and stator electrode.One In embodiment, torsion bar mechanism further includes sealing ring, and sealing ring is set on torsion bar, and sealing ring respectively with stator electrode and pedestal It abuts, makes to be tightly connected between torsion bar and stator electrode.Specifically, sealing ring is sheathed on insulating sleeve, and sealing ring bullet respectively Property be connected to insulating sleeve and stator electrode, make between insulating sleeve and stator electrode rotation have certain sealing performance, In order to avoid the ER fluid in accommodating chamber is leaked out by the gap between insulating sleeve and stator electrode.In the present embodiment, it seals Circle is flexible rubber ring, and making sealing ring, elasticity is connected on stator electrode and pedestal respectively.
To avoid the problem that sealing ring positioning causes ER fluid to be omitted, opened up on pedestal in one of the embodiments, There is locating slot, sealing ring is located in locating slot and abuts with pedestal, is positioned at sealing ring in locating slot, can preferably keep away in this way Exempt from the problem of sealing ring positioning causes ER fluid to be omitted.
Damper further includes cover board in one of the embodiments, and cover board is sheathed on torsion bar.Empty avoiding is offered on cover board Hole, torsion bar are arranged in emptiness avoiding hole and are rotatablely connected with cover board.Cover plate lid is set to stator electrode, makes in accommodating chamber in sealed shape State avoids the situation of the ER fluid spillage accommodating chamber in rotor electrode rotation process.For avoid ER fluid from emptiness avoiding hole with Gap between rotor electrode splashes out, and further, cover board is equipped with sealing element, and sealing ring is arranged around emptiness avoiding hole.Sealing element It is sheathed on torsion bar, sealing element is made to be sealed in gap between torsion bar and emptiness avoiding hole inner wall.Specifically, insulating sleeve is arranged in empty avoiding The rotation connection of Kong Bingyu cover board.Sealing element is sheathed on insulating sleeve, makes the company of sealing between insulating sleeve and the inner wall of emptiness avoiding hole It connects.
The stator electrode offers the wire through-hole being connected to the accommodating chamber in one of the embodiments,.It is described Stator electrode and the rotor electrode are used to be electrically connected by the wire through-hole with external power supply, make the stator electrode and The rotor electrode can be electrically connected to external power supply with shorter path, while keep the structure of torsion bar mechanism more compact.In In the present embodiment, the number of wire through-hole is one.Since stator electrode and rotor electrode pass through same wire through-hole and outer Portion's power electric connection keeps the structure of damper more compact.In other embodiments, the number of wire through-hole may be two A, stator electrode and rotor electrode are electrically connected by different guide through hole with external power supply respectively, make stator electrode and rotor Electrode is not easy to obscure.
The torsion bar mechanism further includes the first conducting wire and the second conducting wire, first conducting wire in one of the embodiments, It is arranged in the wire through-hole with second conducting wire.One end of first conducting wire and the inner wall electricity of the stator electrode Connection, the other end of first conducting wire with the external power supply for being electrically connected.One end of second conducting wire with described turn The outer wall of sub-electrode is electrically connected, and the other end of second conducting wire with the external power supply for being electrically connected.In the present embodiment, First conducting wire is welded on the inner wall of accommodating chamber, is electrically connected the first conducting wire with the inner wall of stator electrode.Second conducting wire is welded in On the outer wall of rotor body, it is electrically connected the second conducting wire with the outer wall of rotor electrode.First conducting wire is electrically connected to external power supply Anode, the second conducting wire are electrically connected to the cathode of external power supply.In other embodiments, the first conducting wire can also be electrically connected to outside The cathode of power supply, the second conducting wire are electrically connected to the anode of external power supply.
The stator electrode includes the stator body and fixed part being connected in one of the embodiments,.The through-hole It is opened in the stator body with the accommodating chamber, stator electrode is made to offer through-hole and accommodating chamber.The torsion bar is arranged in It is rotatablely connected in the through-hole and with the stator body, torsion bar is made to be rotationally connected with stator electrode.In the present embodiment, fixed Portion is the annular flange on the outside of stator body.Insulating sleeve is arranged in through-hole and is rotatablely connected with stator body.The fixation Portion is connected to the pedestal, is connected to stator electrode on pedestal.
The stator electrode is removably connected to the pedestal in one of the embodiments, so as to torsion bar mechanism into Row periodic maintenance dismounting.The electric carving head further includes locking member in one of the embodiments,.The stator electrode offers peace Hole is filled, the pedestal offers threaded hole, and the locking member is arranged in respectively in the mounting hole and the threaded hole, makes stator Electrode replaceable is connected to pedestal.In the present embodiment, locking member is screw or stud.
Electric carving head further includes armature, the first magnetizer and the second magnetizer in one of the embodiments,.Armature is sheathed on Torsion bar is simultaneously connect with torsion bar.Armature, the first magnetizer and the second magnetizer are respectively positioned in pedestal.First magnetizer with it is described Second magnetizer is oppositely arranged, and there are gaps between first magnetizer and second magnetizer.First magnetic conduction The magnetic pole of body is opposite with the magnetic pole of second magnetizer.The two sides of the armature respectively with first magnetizer and described Two magnetizers are correspondingly arranged.The armature part is located in the gap.In the present embodiment, first magnetizer with it is described Second magnetizer is arranged in parallel.
The electric carving head further includes permanent magnet in one of the embodiments, and permanent magnet is within the cavity.The two of permanent magnet End is connect with the first magnetizer and the second magnetizer respectively, conducts two different magnetic poles of permanent magnet respectively to the first magnetizer On the second magnetizer, to keep the magnetic pole of the first magnetizer and the second magnetizer opposite.In the present embodiment, permanent magnet is forever Magnet.Middle position of the armature between the first magnetizer and the second magnetizer makes armature be in relative equilibrium position, thus Torsion bar mechanism is set to be respectively relative to the first fixing seat and the second fixed dwell of sley.
The electric carving head further includes the first fixing seat and the second fixing seat in one of the embodiments,.First fixing seat It is within the cavity with the second fixing seat and connect with pedestal.First magnetizer respectively with first fixing seat and described The connection of two fixing seats.Second magnetizer is connect with first fixing seat with second fixing seat respectively.The armature Between first fixing seat and second fixing seat.First fixing seat offers the first connecting hole.Described Two fixing seats offer the second connecting hole.Torsion bar is arranged in respectively in the first connecting hole and the second connecting hole.Torsion bar is respectively with One fixing seat and the rotation connection of the second fixing seat.In the present embodiment, the first fixing seat is arranged in parallel with the second fixing seat.First Magnetizer is located between the first fixing seat and the second fixing seat, and the first magnetizer is solid with the first fixing seat and second respectively Reservation connection, is fixed on the first magnetizer between the first fixing seat and the second fixing seat.Second magnetizer is located at first Between fixing seat and the second fixing seat, and the second magnetizer is connect with the first fixing seat and the second fixing seat respectively, makes second to lead Magnet is fixed between the first fixing seat and the second fixing seat.
The electric carving head further includes coil in one of the embodiments, the coil be located at first magnetizer with Between second magnetizer.The coil includes the first sub-coil, intermediate coil portion and the second sub-coil, the intermediate coil Portion is connect with first sub-coil and second sub-coil respectively.The armature is located at first sub-coil and described the Between equinoctial line circle.First sub-coil is adjacent to first magnetizer, and second sub-coil is adjacent to second magnetic conduction Body.The setting of armature adjacent coils.Permanent magnet generates stationary magnetic field between the first magnetizer and the second magnetizer.When coil does not lead to When electric, middle position of the armature between the first magnetizer and the second magnetizer, armature is in relative equilibrium position at this time, i.e., Torsion bar mechanism is respectively relative to the first fixing seat and the second fixed dwell of sley.When the coil is energized, armature is polarized, and generates magnetic Power pulls armature to swing.When the current or voltage that coil is changed by high frequency, armature correspondingly swing in high frequency drives electric carving needle Carry out incised work.
Torsion bar mechanism further includes elastic Coupling in one of the embodiments,.The torsion bar is equipped with lug boss, the bullet Property Coupling is sheathed on the lug boss and connect with the lug boss.Elastic Coupling is located in the first mounting hole and and pedestal Connection.Torsion bar makes elastic Coupling that flexible deformation occur while rotation relative to body, Coupling elastic in this way is turning for torsion bar It is dynamic that restoring force is provided, the rigidity and natural resonance frequency of torsion bar are improved, while making torsion bar that there is enough strokes, to make to turn round Linkage can satisfy the processing request of higher working frequency, solve the problems, such as that the applicability of electric carving head is poor.It is damping Under the collective effect of device and elastic Coupling, make torsion bar mechanism that there is better damping capacity.In the present embodiment, elasticity socket Part is elastic sheath structure.Specifically, elastic Coupling is the resilient sleeve structure of round.
The cross section of the lug boss is flat for non-circular shape in one of the embodiments, Face.The cross section is along the axial section perpendicular to the torsion bar, i.e. the circumferential direction of cross section and torsion bar is mutually perpendicular to.Due to The cross section of lug boss is non-circular shape plane, so that elastic Coupling is reliably socketed on lug boss and is not susceptible to relatively rotate, Making torsion bar in this way, elastic Coupling deforms to provide restoring force for the rotation of torsion bar during rotation.
The contour line of the cross section of the lug boss includes two maximum radius points and two in one of the embodiments, Minimum radius point, center symmetric setting of two maximum radius points about the lug boss, two minimum radius points Center symmetric setting about the lug boss.Each minimum radius point is adjacent to each maximum radius point.It is described convex The contour line of the cross section in the portion of rising gradually successively decreases from the maximum radius point to radius the neighbouring minimum radius point.Phase Instead, the contour line of the cross section of the lug boss is from the minimum radius point to the neighbouring maximum radius point to half Diameter is gradually incremented by big.In other words, the contour line of the cross section of lug boss from one of maximum radius point to another most Radius first successively decreases between large radius point is incremented by afterwards.In the present embodiment, two maximum radius points and two minimum radius points are closed It is centrosymmetric setting in the center of lug boss.
The elastic Coupling is equipped with standstill face in one of the embodiments, and the first inner wall of the hole installing is formed with and stops Turn the compatible block face in face, standstill face is made to be connected to block face, elastic Coupling is avoided to rotate relative to the inner wall of the first mounting hole. In the present embodiment, standstill face is set on the outer wall of elastic Coupling.Standstill face offers out in one of the embodiments, Mouthful, it protrudes from lug boss in opening, avoids relatively rotating between elastic Coupling and lug boss.
To reduce the required driving torque of torsion bar mechanism rotation, the elastic Coupling is adjacent in one of the embodiments, The position of the nearly lug boss, which offers, hollows out slot, reduces the rigidity of torsion bar mechanism, drive needed for reducing torsion bar mechanism rotation Dynamic torque, while improving the elastic-restoring force of elastic Coupling.
To avoid the problem that the coil in pedestal, the first magnetizer and the second magnetizer overheat, wherein one embodiment In, the first ventilation hole and the second ventilation hole are offered on pedestal, the first ventilation hole and the second ventilation hole are connected to cavity, make base Seat peripheral air can be entered by the first ventilation hole, and be flowed out from the second ventilation hole, be realized to coil, the first magnetic conduction in pedestal Body and the second magnetizer radiate, and avoid coil, the first magnetizer and the second magnetizer overheat in pedestal.
One embodiment is a kind of electric carving platemaking equipment, including electric carving head described in any of the above-described embodiment.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, all should be considered as described in this specification.
The several embodiments of the application above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously The limitation to claim therefore cannot be interpreted as.It should be pointed out that coming for those of ordinary skill in the art It says, without departing from the concept of this application, various modifications and improvements can be made, these belong to the protection of the application Range.Therefore, the scope of protection shall be subject to the appended claims by the application.

Claims (10)

1. a kind of electric carving needle, for being connect with torsion bar mechanism, which is characterized in that the electric carving needle includes:
Cutter, the cutter include blade part, interconnecting piece and tuner section, and the connecting portion is in the blade part and the tuning Between portion, the both ends of the interconnecting piece are connect with the blade part and the tuner section respectively, the interconnecting piece be used for it is described Torsion bar mechanism connection;
Fixed plate, the fixed plate are connected to the tuner section;
Elastic component, one end of the elastic component are connected to the one side away from the tuner section of the fixed plate;
Mass block, the mass block are connect with the other end of the elastic component;
Wherein, the interconnecting piece offers mounting hole, and the mounting hole by the torsion bar mechanism for being passed through, so that the connection Portion is connect with the torsion bar mechanism.
2. electric carving needle according to claim 1, which is characterized in that the mounting hole is non-circular hole.
3. electric carving needle according to claim 2, which is characterized in that the inner wall of the mounting hole is formed with rotation stop plane, institute It states rotation stop plane and is relatively rotated for limiting the torsion bar mechanism.
4. electric carving needle according to claim 1, which is characterized in that the tuner section is connected to the position shape of the interconnecting piece At fluted.
5. electric carving needle according to claim 4, which is characterized in that the inner wall of the groove extends to the interconnecting piece.
6. electric carving needle according to claim 5, which is characterized in that the inner wall of the groove is at least in the position of the interconnecting piece Setting place is arc-shaped curved surface structure.
7. electric carving needle according to any one of claim 1 to 6, which is characterized in that the fixed plate is removably connected to The tuner section.
8. electric carving needle according to claim 7, which is characterized in that the electric carving needle further includes locking member, the fixed plate Connecting hole is offered, the tuner section offers threaded hole, and the locking member is arranged in the connecting hole and the screw thread respectively In hole.
9. a kind of electric carving head, which is characterized in that including electric carving described in pedestal, torsion bar mechanism and any one of claims 1 to 9 Needle, the torsion bar mechanism are rotationally connected with the pedestal, and the interconnecting piece is connect with the torsion bar mechanism.
10. a kind of electric carving platemaking equipment, which is characterized in that including electric carving head as claimed in claim 9.
CN201910650631.0A 2019-07-18 2019-07-18 Electric engraving needle, electric engraving head and electric engraving plate making equipment Active CN110406244B (en)

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CN111098583A (en) * 2019-12-27 2020-05-05 固高科技(深圳)有限公司 Torsion bar mechanism, electric carving head and electric carving plate-making equipment

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