CN112589877A - Household articles mould is made with workstation that punches - Google Patents

Household articles mould is made with workstation that punches Download PDF

Info

Publication number
CN112589877A
CN112589877A CN202011347497.6A CN202011347497A CN112589877A CN 112589877 A CN112589877 A CN 112589877A CN 202011347497 A CN202011347497 A CN 202011347497A CN 112589877 A CN112589877 A CN 112589877A
Authority
CN
China
Prior art keywords
fixedly connected
dust
workbench
perforating
recited
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011347497.6A
Other languages
Chinese (zh)
Inventor
阮建平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN202011347497.6A priority Critical patent/CN112589877A/en
Publication of CN112589877A publication Critical patent/CN112589877A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/01Means for holding or positioning work
    • B26D7/02Means for holding or positioning work with clamping means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03CMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/28Plant or installations without electricity supply, e.g. using electrets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03CMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/34Constructional details or accessories or operation thereof
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03CMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/34Constructional details or accessories or operation thereof
    • B03C3/40Electrode constructions
    • B03C3/45Collecting-electrodes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03CMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/34Constructional details or accessories or operation thereof
    • B03C3/74Cleaning the electrodes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/18Means for removing cut-out material or waste
    • B26D7/1845Means for removing cut-out material or waste by non mechanical means
    • B26D7/1854Means for removing cut-out material or waste by non mechanical means by air under pressure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26FPERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/16Perforating by tool or tools of the drill type
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D2007/0012Details, accessories or auxiliary or special operations not otherwise provided for
    • B26D2007/0018Trays, reservoirs for waste, chips or cut products

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Cutting Devices (AREA)

Abstract

The invention relates to the technical field of household article molds and discloses a punching workbench for manufacturing a household article mold. This articles for daily use mould is made and is used workstation that punches, its surface has the electric charge after rotating the in-process and rubbing with insulating ball through the electrostatic absorption roller, and adsorb the dust piece of blowing from by the fan, the electrostatic absorption roller continues to rotate, when its position and the metal pole contact of adsorbing the dust, the electric charge of metal pole on the electrostatic absorption roller is derived, then the dust drops owing to losing the electrostatic absorption effect, and fall into the dust-collecting box of below, accomplish the absorption and the collection to the dust, thereby reach the automatic effect of collecting the dust piece.

Description

Household articles mould is made with workstation that punches
Technical Field
The invention relates to the technical field of articles for daily use molds, in particular to a punching workbench for manufacturing articles for daily use molds.
Background
The mold refers to various molds and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging molding, smelting, stamping and other methods in industrial production, the mold is a tool for manufacturing molded articles, the tool is composed of various parts, and different molds are composed of different parts. In daily life, a large number of articles for daily use are made of molds, when the molds are machined and manufactured, holes need to be drilled on the surfaces of the molds, the molds need to be fixed firstly and then to be drilled by the conventional drilling equipment, most of clamping and fixing devices of the conventional drilling equipment need manual operation, the process is complicated, the workload is increased, and the automatic clamping and fixing of the molds cannot be realized; in addition, when punching the mould, can produce a large amount of dust pieces, general drilling equipment utilizes the fan with dust piece department off the mould surface, prevents that the piece from influencing the processing effect, but it can not collect the dust piece, and these dust pieces can scatter in the air or fall to ground, cause the pollution to the environment and by human absorption can influence healthyly.
Aiming at the defects of the prior art, the invention provides the punching workbench for manufacturing the household article die, which has the advantages of automatically clamping and fixing the die, adjusting the angle of a fan as required and collecting dust and debris, and solves the problems that the clamping operation of common punching equipment on the die is complicated and the dust cannot be effectively removed.
Disclosure of Invention
Technical scheme (I)
In order to realize the purposes of automatically clamping and fixing the die, adjusting the angle of the fan as required and collecting dust and debris, the invention provides the following technical scheme: the utility model provides a articles for daily use mould manufacturing is with workstation that punches, includes the cylinder, the equal fixedly connected with processing platform in both sides of cylinder, the middle part fixedly connected with installing support of processing platform, the bottom fixedly connected with electro-magnet of installing support, sliding connection has the metal sliding block on the support body of installing support, the one end that the electro-magnet was kept away from to the metal sliding block is provided with the spring, the both sides of metal sliding block all articulate there is first connecting rod, the one end that metal sliding block was kept away from to first connecting rod is rotated and is connected with the guide arm, the upper end swing joint of guide arm has the second connecting rod, the one end that the guide arm was kept away from.
Preferably, a puncher is arranged above the processing table, and the puncher is arranged at an output end of the driving device.
Preferably, one side upper end fixedly connected with arc groove block that the cylinder was kept away from to the processing platform, the joint has the regulation handle on the groove rail of arc groove block.
Preferably, the back of the adjusting handle is fixedly connected with a motor, and the output end of the motor is fixedly connected with a fan.
Preferably, the two sides of the cylinder are respectively and fixedly connected with an insulating ball, a metal rod and a dust collecting box from top to bottom, and the upper end of one side of the processing table close to the cylinder is provided with an electrostatic adsorption roller.
Preferably, the outer surface of the electrostatic adsorption roller is provided with an insulating sleeve, and the electrostatic adsorption roller is respectively abutted against the insulating ball and the metal rod.
Preferably, the guide rod is rotatably connected with the processing table through a transfer block, and the clamping block is slidably connected with the upper end of the processing table.
(II) advantageous effects
Compared with the prior art, the invention provides a punching workbench for manufacturing a household article mold, which has the following beneficial effects:
1. this articles for daily use mould is made and is used workstation that punches, attract the metal slide to slide downwards through the electro-magnet, the metal slide uses the switching piece to rotate as the basic point through two guide arms of first connecting rod drive, then the lower extreme of two guide arms is kept away from each other, the upper end is close to each other, then the guide arm slides to the direction that is close to the mould through second connecting rod drive grip block along processing bench end, then two grip blocks are close to each other and final and mould butt to it is fixed to carry out automatic centre gripping to the mould.
2. The punching workbench for manufacturing the household article die is characterized in that the die is punched under the driving of the driving device through the puncher, the angle of the motor is adjusted through the adjusting handle and the arc-shaped groove block, the fan at the output end of the motor faces the punching surface of the die, the motor drives the fan to rotate, dust fragments generated by punching are blown away from the surface of the die and blown to the electrostatic adsorption roller, and the punching effect is prevented from being influenced by the dust fragments,
3. this articles for daily use mould is made and is used workstation that punches, its surface has the electric charge after rotating the in-process and rubbing with insulating ball through the electrostatic absorption roller, and adsorb the dust piece of blowing from by the fan, the electrostatic absorption roller continues to rotate, when its position and the metal pole contact of adsorbing the dust, the electric charge of metal pole on the electrostatic absorption roller is derived, then the dust drops owing to losing the electrostatic absorption effect, and fall into the dust-collecting box of below, accomplish the absorption and the collection to the dust, thereby reach the automatic effect of collecting the dust piece.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged view of a portion of the structure of FIG. 1 according to the present invention;
FIG. 3 is a schematic view of the mounting bracket of the present invention;
FIG. 4 is a schematic view of the structure of the area A in FIG. 2 according to the present invention.
In the figure: 1. a cylinder; 2. a processing table; 3. mounting a bracket; 4. an electromagnet; 5. a metal slider; 6. a spring; 7. a first link; 8. a guide bar; 9. a second link; 10. a clamping block; 11. a hole puncher; 12. an arc-shaped groove block; 13. adjusting the handle; 14. a motor; 15. a fan; 16. an insulating ball; 17. a metal rod; 18. a dust collecting box; 19. an electrostatic adsorption roller; 20. And (6) switching the blocks.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, a punching workbench for manufacturing a mold for daily use articles comprises a cylinder 1, wherein both sides of the cylinder 1 are fixedly connected with processing tables 2, a puncher 11 is arranged above the processing tables 2, and the puncher 11 is arranged at the output end of a driving device; the upper end of one side of the processing table 2, which is far away from the column body 1, is fixedly connected with an arc-shaped groove block 12, an adjusting handle 13 is clamped on a groove rail of the arc-shaped groove block 12, the back of the adjusting handle 13 is fixedly connected with a motor 14, and the output end of the motor 14 is fixedly connected with a fan 15; the middle part fixedly connected with installing support 3 of processing platform 2, the bottom fixedly connected with electro-magnet 4 of installing support 3, sliding connection has metal slide 5 on the support body of installing support 3.
A spring 6 is arranged at one end of the metal sliding block 5, which is far away from the electromagnet 4, two sides of the metal sliding block 5 are hinged with first connecting rods 7, one end of each first connecting rod 7, which is far away from the metal sliding block 5, is rotatably connected with a guide rod 8, the upper end of each guide rod 8 is movably connected with a second connecting rod 9, one end of each second connecting rod 9, which is far away from the guide rod 8, is hinged with a clamping block 10, the guide rod 8 is rotatably connected with the processing table 2 through a transfer block 20, and the clamping block 10 is slidably connected with; the two sides of the cylinder 1 are fixedly connected with an insulating ball 16, a metal rod 17 and a dust collecting box 18 from top to bottom respectively, the upper end of one side of the processing table 2 close to the cylinder 1 is provided with an electrostatic adsorption roller 19, the outer surface of the electrostatic adsorption roller 19 is provided with an insulating sleeve, and the electrostatic adsorption roller 19 is respectively abutted against the insulating ball 16 and the metal rod 17.
The working process and principle are as follows: in the initial state, the two clamping blocks 10 are far away from each other, a die to be punched is placed at the upper end of the machining table 2, the electromagnet 4 is electrified, the magnetism of the electromagnet 4 is enhanced, the metal sliding block 5 is attracted to slide downwards along the mounting bracket 3, the spring 6 is stretched, meanwhile, the metal sliding block 5 drives the two guide rods 8 through the first connecting rod 7 hinged with the metal sliding block 5 to rotate by taking the switching block 20 as a base point, the lower ends of the two guide rods 8 are far away from each other, the upper ends of the two guide rods are close to each other, the guide rods 8 drive the clamping blocks 10 to slide towards the direction close to the die through the second connecting rod 9 movably connected with the guide rods to the clamping blocks 10, the two clamping blocks 10 are close to each other and are finally abutted to the die.
When the device works, the puncher 11 punches a die under the drive of a drive device, the angle of a motor 14 is adjusted through an adjusting handle 13 and an arc-shaped groove block 12, the fan 15 at the output end of the puncher faces the punching surface of the die, the motor 14 drives the fan 15 to rotate, dust fragments generated by punching are blown off the surface of the die and blown to an electrostatic adsorption roller 19, the dust fragments are prevented from influencing the punching effect, meanwhile, the electrostatic adsorption roller 19 is started, as shown in figure 2, the electrostatic adsorption roller 19 rotates anticlockwise under the drive of the drive device, the outer surface of the electrostatic adsorption roller 19 is charged after the electrostatic adsorption roller 19 is rubbed with an insulating ball 16 in the rotation process, the dust fragments blown by the fan 15 are adsorbed, the electrostatic adsorption roller 19 continues to rotate, when the part adsorbing dust is contacted with a metal rod 17, the metal rod 17 guides out the charges on the electrostatic adsorption roller 19, the dust falls off due to the loss of the electrostatic adsorption effect and falls into the dust collection box 18 below, so that the dust is adsorbed and collected, and the effect of automatically collecting dust and debris is achieved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a household articles mould is made with workstation that punches, includes cylinder (1), its characterized in that: the equal fixedly connected with processing platform (2) in both sides of cylinder (1), middle part fixedly connected with installing support (3) of processing platform (2), bottom fixedly connected with electro-magnet (4) of installing support (3), sliding connection has metal slide (5) on the support body of installing support (3), the one end that electro-magnet (4) were kept away from in metal slide (5) is provided with spring (6), the both sides of metal slide (5) all articulate has first connecting rod (7), the one end that metal slide (5) were kept away from in first connecting rod (7) is rotated and is connected with guide arm (8), the upper end swing joint of guide arm (8) has second connecting rod (9), the one end that guide arm (8) were kept away from in second connecting rod (9) articulates there is grip block (10).
2. The perforating workbench for the manufacture of the household article molds as recited in claim 1, further comprising: and a puncher (11) is arranged above the processing table (2), and the puncher (11) is arranged at the output end of the driving device.
3. The perforating workbench for the manufacture of the household article molds as recited in claim 1, further comprising: processing platform (2) keep away from one side upper end fixedly connected with arc groove piece (12) of cylinder (1), joint has regulation handle (13) on the groove rail of arc groove piece (12).
4. The perforating workbench for the manufacture of the household article molds as recited in claim 3, further comprising: the back of the adjusting handle (13) is fixedly connected with a motor (14), and the output end of the motor (14) is fixedly connected with a fan (15).
5. The perforating workbench for the manufacture of the household article molds as recited in claim 1, further comprising: the two sides of the cylinder (1) are respectively and fixedly connected with an insulating ball (16), a metal rod (17) and a dust collecting box (18) from top to bottom, and the upper end of one side of the processing table (2) close to the cylinder (1) is provided with an electrostatic adsorption roller (19).
6. The perforating workbench for the manufacture of the household article molds as recited in claim 5, further comprising: the outer surface of the electrostatic adsorption roller (19) is provided with an insulating sleeve, and the electrostatic adsorption roller (19) is respectively abutted against the insulating ball (16) and the metal rod (17).
7. The perforating workbench for the manufacture of the household article molds as recited in claim 1, further comprising: the guide rod (8) is rotatably connected with the processing table (2) through a transfer block (20), and the clamping block (10) is slidably connected with the upper end of the processing table (2).
CN202011347497.6A 2020-11-26 2020-11-26 Household articles mould is made with workstation that punches Pending CN112589877A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011347497.6A CN112589877A (en) 2020-11-26 2020-11-26 Household articles mould is made with workstation that punches

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011347497.6A CN112589877A (en) 2020-11-26 2020-11-26 Household articles mould is made with workstation that punches

Publications (1)

Publication Number Publication Date
CN112589877A true CN112589877A (en) 2021-04-02

Family

ID=75184129

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011347497.6A Pending CN112589877A (en) 2020-11-26 2020-11-26 Household articles mould is made with workstation that punches

Country Status (1)

Country Link
CN (1) CN112589877A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114012832A (en) * 2021-10-16 2022-02-08 欧阳津 Energy-saving LED circuit board production equipment

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206747621U (en) * 2017-04-07 2017-12-15 王旱霖 A kind of adjustable drilling machine clamping device
CN208391553U (en) * 2018-07-04 2019-01-18 赣州长辉磁业有限公司 A kind of punch device for magnetic material processing
CN109261336A (en) * 2018-09-18 2019-01-25 张思明 A kind of reclaimer of Leather Waste
CN211276635U (en) * 2019-12-31 2020-08-18 惠州沃典科技股份有限公司 Perforating device is used in plastic mould production

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206747621U (en) * 2017-04-07 2017-12-15 王旱霖 A kind of adjustable drilling machine clamping device
CN208391553U (en) * 2018-07-04 2019-01-18 赣州长辉磁业有限公司 A kind of punch device for magnetic material processing
CN109261336A (en) * 2018-09-18 2019-01-25 张思明 A kind of reclaimer of Leather Waste
CN211276635U (en) * 2019-12-31 2020-08-18 惠州沃典科技股份有限公司 Perforating device is used in plastic mould production

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114012832A (en) * 2021-10-16 2022-02-08 欧阳津 Energy-saving LED circuit board production equipment

Similar Documents

Publication Publication Date Title
CN111590129A (en) Pipe cutting device of numerical control machine tool for collecting scrap iron chips based on magnetic attraction principle
CN105922130A (en) Gantry grinding machine with movable grinding device
CN112589877A (en) Household articles mould is made with workstation that punches
CN114406315A (en) Multifunctional machine tool equipment for metal processing
CN114952320A (en) Workbench for numerical control machining center
CN113799175A (en) Research and development is with multidirectional fixing device of manipulator
CN209439842U (en) A kind of machining center that tool magazine is servo-actuated
CN216882923U (en) Recess cleaning mechanism for milling machine
CN211761593U (en) U-shaped manipulator
CN117140129A (en) Milling device for aluminum profile machining
CN215745745U (en) Metal processing stamping equipment
CN212735382U (en) Automobile punching part deckle edge cleaning device
CN215615112U (en) Numerical control lathe for processing pin shaft parts
CN213382138U (en) Ceramic dry blank tapping tool
CN113369511A (en) Turning automation line with anchor clamps automatically cleaning system
CN208172200U (en) A kind of installation test equipment of linear motor
CN220094042U (en) Burring equipment is used in pin bush processing
CN220408093U (en) Cutter burnishing device with magnetic force adsorption component
CN220145010U (en) Sheet metal laser cutting machine
CN212156506U (en) Visual detection device for punching of double motors
CN217193910U (en) Fastening mechanism of machine tool fixture
CN214349664U (en) Lathe with scrap collecting structure for machine manufacturing
CN220499837U (en) Automatic pick-up tool for injection molding of automobile radiator grille
CN213799028U (en) Computer engraving machine convenient for dust removal for panel
CN219543103U (en) 360-degree automatic overturning clamp for automobile model manufacturing

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20210402

WD01 Invention patent application deemed withdrawn after publication