CN109228191A - Reverse drawing stripper plate eliminates the high-precision mold and its release method for pouring a trace - Google Patents
Reverse drawing stripper plate eliminates the high-precision mold and its release method for pouring a trace Download PDFInfo
- Publication number
- CN109228191A CN109228191A CN201811289540.0A CN201811289540A CN109228191A CN 109228191 A CN109228191 A CN 109228191A CN 201811289540 A CN201811289540 A CN 201811289540A CN 109228191 A CN109228191 A CN 109228191A
- Authority
- CN
- China
- Prior art keywords
- plate
- hook
- stripper plate
- reverse drawing
- moving template
- 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.)
- Withdrawn
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/38—Cutting-off equipment for sprues or ingates
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The present invention provides a kind of reverse drawing stripper plate and eliminates the high-precision mold and its release method for pouring a trace, this use will be poured and is a little located inside product.For this purpose, the characteristics of mold is broken through for product, can finally product be taken off by taking off part plate with reverse drawing.Inventive die includes that the top clamping plate from top to bottom set gradually, solid plate, stripper plate, runner plate, moving template, Bottom clamp plate using the cooperation of drag hook, hook plate and swing hook pour point, de- material head and de- product to realize that realization is disconnected, using drag hook, swing hook, caging bolt and pull rod, parting three times is carried out to this mold and once takes off product, reliable in action.
Description
Technical field
The high-precision mold and its release method for pouring a trace are eliminated the present invention relates to a kind of reverse drawing stripper plate.
Background technique
It is often high to the appearance requirement of product in injection mould production, it does not fill and is permitted to pour a trace.It additionally needs and manually wipes out
Cast gate, low efficiency have invented reverse drawing stripper plate and have taken off product to solve this technical problem.
Summary of the invention
The present invention improves the above problem, i.e., the technical problem to be solved by the present invention is to existing injecting products to pour
The easy remaining influence quality of mouth and efficiency of post treatment.
Specific embodiments of the present invention are: reverse drawing stripper plate eliminates the high-precision mold for pouring a trace, including from top to bottom
Top clamping plate, solid plate, stripper plate, runner plate, moving template, the Bottom clamp plate set gradually, the moving template and Bottom clamp plate
It is fixedly connected, cover half is pulled to be fixedly connected with top clamping plate；It is fixed with sprue bush in the middle part of the top clamping plate, has in sprue bush and pours
Mouth runner, the interior type chamber mold insert having for shaped article of moving template, the type chamber mold insert middle part is with forming cavity, the runner
There is groove, the groove is located at the groove and has been embedded in reverse drawing stripper plate, has below reverse drawing stripper plate and push away in the middle part of plate
Reverse drawing stripper plate described in plate is fixedly connected with push plate；
Have on the caging bolt that cover half is pulled and lower end is fixedly connected with stripper plate, the caging bolt on the cover half seat
End has a flange, the top clamping plate have deep gouge for accommodating caging bolt, the caging bolt lower edge and deep gouge there are
Gap；The stripper plate side is fixedly connected with drag hook, and the lower end of the drag hook has the hook portion extended inwardly, the stream
Guidance tape side has the hook plate that can cooperate with the hook portion of drag hook lower end, and the hook plate upper end has can be with the cooperation of hook portion
When moving template is mobile upper hook body and hook portion can cooperate so that stripper plate is moved to caging bolt and deep gouge table upper hook body
Face contact takes off stripper plate from sprue puller runner system；
The moving template side is provided with swing hook, and the lower end of the swing hook is articulated with moving template side, and the moving template side is solid
Surely it is connected with spring support plate, is connected between the spring support plate and the middle part and spring support plate of swing hook through swing hook spring, the pendulum
The top of hook has convex hook, and the hook plate lower end has the lower hook body that can cooperate with convex hook, the cooperation of the lower hook body and convex hook
Face is inclined-plane and has inside lower than outside；It is fixedly connected on the runner plate and protrudes into type chamber edge across push plate and reverse drawing stripper plate
Type core in part, the type in-core have the branch flow passage with sprue channel and forming cavity connection, and the top clamping plate is fixedly connected
There is the sprue puller protruded into branch flow passage, reverse drawing stripper plate masking forming cavity upper end is so that forming cavity, reverse drawing stripper plate and type
Chamber mold insert forms closed chamber；
There is the pull rod being fixedly connected through moving template and push plate with reverse drawing stripper plate, in the moving template on the Bottom clamp plate
With pull rod slot, the pull rod slot has the flange of limit pull rod end, supports when flange to pull rod and drives pull rod dragging reverse drawing
Stripper plate and push plate deviate from the product in type core mold insert from type core.
Further, there is the top cover for supporting flow field plate surfaces on the stripper plate, there is hollow bullet in the top cover
Spring chamber is fixed with spring in the spring cavity, and the spring one end is fixedly connected with top cover, and the other end and cover half pull fixed company
It connects, the cover half, which is pulled, also has the top cover chamber for accommodating top cover.
Further, the lower end of the drag hook extends to Bottom clamp plate.
Further, the tapered and lower hook body counterface section with hook plate in the swing hook upper end, which is less than, deviates from end face one
Side.
Further, the swing hook lower part passes through through swing hook and is fixed on the pivot pin realization of moving template hingedly.
The high-precision mold release method for pouring a trace is eliminated the invention also includes reverse drawing stripper plate, which is characterized in that utilize
Reverse drawing stripper plate as described above eliminates the high-precision mold for pouring a trace, and specific demoulding step is as follows:
(1) when demoulding, Bottom clamp plate, moving template are mobile to direction is pulled away from cover half simultaneously, the top cover under the action of the spring,
Top cover opens runner plate, the cast gate for making sprue puller that branch flow passage be pulled to be formed, and pulls apart product and contacts with branch flow passage formation cast gate, will
Branch flow passage forms cast gate and pulls out from type core, since hook plate lower end has the lower hook body that can cooperate with convex hook to when under moving template
When row, swing hook pulls hook plate to move together, i.e., moving template pulls runner plate to move downwardly together；
(2) upper hook body and hook portion can be made to cooperate when moving template is mobile with by runner plate downlink simultaneously, since drag hook is solid
Bottom clamp plate is extended to due to the lower end of stripper plate side and drag hook, when the cooperation of the hook portion of the upper hook body of hook plate and drag hook,
Hook plate hooks drag hook, drives stripper plate mobile, takes off stripper plate from sprue puller runner system, the short distance of caging bolt
Positioning, while it being popped up from sprue bush；
(3) since caging bolt has limited the moving distance of runner plate, with continuing starting for mold, the lower hook body and pendulum of hook plate
The convex hook mating surface of hook is inclined-plane so as to overcome swing hook acting force of the spring, and swing hook is made to rotate the hook that slips away around hinged place
Plate is detached from moving template and type chamber mold insert and runner plate, and pull rod is fixedly connected with reverse drawing stripper plate and does not move, until when convex
Edge, which is supported to pull rod, drives pull rod dragging reverse drawing stripper plate and push plate to deviate from the product in type core mold insert from type core, and pull rod is drawn
Dynamic reverse drawing stripper plate is to make product be hauled out by reverse drawing stripper plate.
Compared with prior art, the invention has the following advantages: inventive die includes from top to bottom setting gradually
Top clamping plate, solid plate, stripper plate, runner plate, moving template, Bottom clamp plate using drag hook, hook plate and swing hook cooperation to
It realizes to break and pours point, de- material head and de- product, using drag hook, swing hook, caging bolt and pull rod, this mold is divided three times
Type once takes off product, reliable in action.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention (the schematic diagram of the section structure).
Fig. 2 is schematic side view of the present invention.
Fig. 3 is schematic diagram of the three-dimensional structure (omitting moving template).
Specific embodiment
The present invention will be further described in detail with reference to the accompanying drawings and detailed description.
As shown in Figures 1 to 3, a kind of reverse drawing stripper plate eliminates the high-precision mold for pouring a trace, including from top to bottom successively sets
Top clamping plate 10, solid plate 20, stripper plate 30, runner plate 40, moving template 50, the Bottom clamp plate 60 set, the moving template 50 with
Bottom clamp plate 60 is fixedly connected, and cover half is pulled to be fixedly connected with top clamping plate 10,
It is fixed with sprue bush 110 in the middle part of the top clamping plate 10, there is sprue channel in sprue bush 110, have in moving template 50
For the type chamber mold insert 510 of shaped article, there is forming cavity in the middle part of the type chamber mold insert 510, have in the middle part of the runner plate 40
Groove, in the present embodiment, the groove is located at the groove and has been embedded in reverse drawing stripper plate 420,420 lower section of reverse drawing stripper plate
With push plate 430, the reverse drawing stripper plate 420 is fixedly connected with push plate 430；It is fixedly connected on the runner plate 40 across pushing away
Plate and reverse drawing stripper plate protrude into the type core 410 in type chamber mold insert, and the type in-core has and sprue channel and forming cavity connection
Branch flow passage, the top clamping plate are fixedly connected with the sprue puller 120 protruded into branch flow passage, the masking of reverse drawing stripper plate 420 at
Type chamber upper end is so that forming cavity, reverse drawing stripper plate and type chamber mold insert form closed chamber.
In the present embodiment, branch flow passage be gradually reduced from solid plate to moving template section it is tapered, in favor of demoulding.
There is the top cover 310 for supporting 40 surface of runner plate on the stripper plate 30, there is hollow spring in the top cover
Chamber 320 is fixed with spring 330 in the spring cavity, and described 330 one end of spring is fixedly connected with top cover 310, the other end and cover half
It pulls 20 to be fixedly connected, the cover half, which is pulled, also has the top cover chamber for accommodating top cover on 20.
Have on the cover half seat 20 through the caging bolt 210 that cover half is pulled and lower end is fixedly connected with stripper plate, it is described
Caging bolt upper end has a flange, and the top clamping plate 10 has a deep gouge for accommodating caging bolt, under the caging bolt
There are gaps for edge and deep gouge；30 side of stripper plate is fixedly connected with drag hook 70, and the lower end of the drag hook 70 has inwardly
The hook portion 710 of extension and the lower end of drag hook 70 extend to Bottom clamp plate, 40 side of runner plate have can under drag hook
The hook plate 80 of the hook portion cooperation at end, 80 upper end of hook plate have the upper hook body 810 that can cooperate with hook portion.
50 side of moving template is provided with swing hook 90, and the lower end of the swing hook 90 is articulated with moving template side, described dynamic
Template side is fixedly connected with spring support plate 910, through swing hook bullet between the spring support plate and the middle part and spring support plate of swing hook
Spring 920 connects, and the top of the swing hook has convex hook 911, and 80 lower end of hook plate has the lower hook body that can cooperate with convex hook 911
820, the counterface of the lower hook body and convex hook 911 is tapered and counterface section is less than and deviates from end face side.
In the present embodiment, the swing hook lower part, which is run through swing hook and is fixed on the pivot pin 930 of moving template, to be realized hingedly.
Sprue puller and product are integrated after molding, and when demoulding, Bottom clamp plate, moving template move downwards (with section simultaneously
Figure diagram indicates subject to orientation that mold is generally horizontal in real process), under the action of the spring, top cover will flow the top cover
Guidance tape opens, and A die joint is opened, the cast gate for making sprue puller that branch flow passage be pulled to be formed, and pulls apart product and branch flow passage forms cast gate
Contact pulls out branch flow passage formation cast gate from type core, since 80 lower end of hook plate has the lower hook body that can cooperate with convex hook 911
820 to which when moving template downlink, swing hook 90 pulls hook plate 80 to move together, i.e., moving template pulls runner plate to move downwardly together
It is dynamic, when moving template is mobile upper hook body and hook portion can cooperate with by runner plate downlink simultaneously, since drag hook is affixed to
30 side of the stripper plate and lower end of drag hook extends to Bottom clamp plate, when the upper hook body 810 of hook plate 80 and the hook portion of drag hook cooperate
When, hook plate 80 hooks drag hook, and driving stripper plate mobile is B die joint parting, takes off stripper plate from sprue puller runner system
Under, the short distance positioning of caging bolt, while it being popped up from sprue bush 110.
There is the pull rod 610 being fixedly connected through moving template and push plate with reverse drawing stripper plate, institute on the Bottom clamp plate 60
Stating has pull rod slot 540 in moving template 50, the pull rod slot has the flange 541 of limit pull rod end, since caging bolt limits
The position moving distance of runner plate, with continuing starting for mold, the convex hook 911 of the lower hook body 820 and swing hook 90 of hook plate 80 is matched
Conjunction face is inclined-plane so as to overcome 920 active force of swing hook spring, so that swing hook is rotated the hook plate 80 that slips away around hinged place, makes C
Die joint parting, i.e. moving template and type chamber mold insert and runner plate are detached from, and pull rod is fixedly connected with reverse drawing stripper plate and does not move,
Drive pull rod dragging reverse drawing stripper plate and push plate by the product in type core mold insert from type core until supporting when flange 541 to pull rod
Abjection, pull rod pull reverse drawing stripper plate to make product be hauled out by reverse drawing stripper plate.
Any technical solution disclosed in aforementioned present invention unless otherwise stated, if it discloses numberical range,
Disclosed numberical range is preferred numberical range, and any it should be appreciated by those skilled in the art preferred numberical ranges
The only obvious or representative numerical value of technical effect in many enforceable numerical value.It, can not since numerical value is more
Exhaustion, so the present invention just discloses technical solution of the component values to illustrate the present invention, also, the above-mentioned numerical value enumerated is not
The limitation to the invention protection scope should be constituted.
If the present invention is open or relates to the components or structural member of connection fastened to each other, unless otherwise stated,
It is fixedly connected it is to be understood that connection (such as connecting using bolt or screw) can be removedly fixed, it is understood that are as follows:
It is non-removable to be fixedly connected with (such as riveting, welding), certainly, connection fastened to each other or integral structure (such as make
Manufactured with casting technique is integrally formed) replaced (obviously can not be using except integrally formed technique).
In addition, for indicating the art of positional relationship or shape applied in any technical solution disclosed in aforementioned present invention
Its meaning includes approximate with its, similar or close state or shape to language unless otherwise stated.
Either component provided by the invention by multiple individual component parts either assembled, or one
The separate part that forming technology manufactures.
Finally it should be noted that: the above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof；To the greatest extent
The present invention is described in detail with reference to preferred embodiments for pipe, it should be understood by those ordinary skilled in the art that: still
It can modify to a specific embodiment of the invention or some technical features can be equivalently replaced；Without departing from this hair
The spirit of bright technical solution should all cover within the scope of the technical scheme claimed by the invention.
Claims (6)
1. reverse drawing stripper plate eliminates the high-precision mold for pouring a trace, which is characterized in that including the cover half from top to bottom set gradually
Seat board, solid plate, stripper plate, runner plate, moving template, Bottom clamp plate, the moving template are fixedly connected with Bottom clamp plate, and cover half is pulled
It is fixedly connected with top clamping plate；It is fixed with sprue bush in the middle part of the top clamping plate, there is sprue channel in sprue bush, in moving template
With the type chamber mold insert for shaped article, there is forming cavity in the middle part of the type chamber mold insert, there is groove in the middle part of the runner plate,
The groove is located at the groove and has been embedded in reverse drawing stripper plate, has push plate below reverse drawing stripper plate；
Have on the caging bolt that cover half is pulled and lower end is fixedly connected with stripper plate, the caging bolt on the cover half seat
End has a flange, the top clamping plate have deep gouge for accommodating caging bolt, the caging bolt lower edge and deep gouge there are
Gap；The stripper plate side is fixedly connected with drag hook, and the lower end of the drag hook has the hook portion extended inwardly, the stream
Guidance tape side has the hook plate that can cooperate with the hook portion of drag hook lower end, and the hook plate upper end has can be with the cooperation of hook portion
When moving template is mobile upper hook body and hook portion can cooperate so that stripper plate is moved to caging bolt and deep gouge table upper hook body
Face contact takes off stripper plate from sprue puller runner system；
The moving template side is provided with swing hook, and the lower end of the swing hook is articulated with moving template side, and the moving template side is solid
Surely it is connected with spring support plate, is connected between the spring support plate and the middle part and spring support plate of swing hook through swing hook spring, the pendulum
The top of hook has convex hook, and the hook plate lower end has the lower hook body that can cooperate with convex hook, the cooperation of the lower hook body and convex hook
Face is inclined-plane and has inside lower than outside；It is fixedly connected on the runner plate and protrudes into type chamber edge across push plate and reverse drawing stripper plate
Type core in part, the type in-core have the branch flow passage with sprue channel and forming cavity connection, and the top clamping plate is fixedly connected
There is the sprue puller protruded into branch flow passage, reverse drawing stripper plate masking forming cavity upper end is so that forming cavity, reverse drawing stripper plate and type
Chamber mold insert forms closed chamber；
There is the pull rod being fixedly connected through moving template and push plate with reverse drawing stripper plate, in the moving template on the Bottom clamp plate
With pull rod slot, the pull rod slot has the flange of limit pull rod end, supports when flange to pull rod and drives pull rod dragging reverse drawing
Stripper plate and push plate deviate from the product in type core mold insert from type core.
2. reverse drawing stripper plate according to claim 1 eliminates the high-precision mold for pouring a trace, which is characterized in that the de- material
There is the top cover for supporting flow field plate surfaces on plate, there is hollow spring cavity in the top cover, be fixed with bullet in the spring cavity
Spring, the spring one end are fixedly connected with top cover, and the other end is pulled with cover half and is fixedly connected, and the cover half, which is pulled also to have, accommodates top
The top cover chamber of set.
3. reverse drawing stripper plate according to claim 2 eliminates the high-precision mold for pouring a trace, which is characterized in that the drag hook
Lower end extend to Bottom clamp plate.
4. reverse drawing stripper plate according to claim 1 eliminates the high-precision mold for pouring a trace, which is characterized in that the swing hook
The tapered and lower hook body counterface section with hook plate in upper end, which is less than, deviates from end face side.
5. reverse drawing stripper plate according to claim 1 eliminates the high-precision mold for pouring a trace, which is characterized in that the swing hook
Lower part passes through through swing hook and is fixed on the pivot pin realization of moving template hingedly.
6. reverse drawing stripper plate eliminates the high-precision mold release method for pouring a trace, which is characterized in that using as claimed in claim 3
Reverse drawing stripper plate eliminate and pour the high-precision mold of a trace, specific demoulding step is as follows:
(1) when demoulding, Bottom clamp plate, moving template are mobile to direction is pulled away from cover half simultaneously, the top cover under the action of the spring,
Top cover opens runner plate, the cast gate for making sprue puller that branch flow passage be pulled to be formed, and pulls apart product and contacts with branch flow passage formation cast gate, will
Branch flow passage forms cast gate and pulls out from type core, since hook plate lower end has the lower hook body that can cooperate with convex hook to when under moving template
When row, swing hook pulls hook plate to move together, i.e., moving template pulls runner plate to move downwardly together；
(2) upper hook body and hook portion can be made to cooperate when moving template is mobile with by runner plate downlink simultaneously, since drag hook is solid
Bottom clamp plate is extended to due to the lower end of stripper plate side and drag hook, when the cooperation of the hook portion of the upper hook body of hook plate and drag hook,
Hook plate hooks drag hook, drives stripper plate mobile, takes off stripper plate from sprue puller runner system, the short distance of caging bolt
Positioning, while it being popped up from sprue bush；
(3) since caging bolt has limited the moving distance of runner plate, with continuing starting for mold, the lower hook body and pendulum of hook plate
The convex hook mating surface of hook is inclined-plane so as to overcome swing hook acting force of the spring, and swing hook is made to rotate the hook that slips away around hinged place
Plate is detached from moving template and type chamber mold insert and runner plate, and pull rod is fixedly connected with reverse drawing stripper plate and does not move, until when convex
Edge, which is supported to pull rod, drives pull rod dragging reverse drawing stripper plate and push plate to deviate from the product in type core mold insert from type core, and pull rod is drawn
Dynamic reverse drawing stripper plate is to make product be hauled out by reverse drawing stripper plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811289540.0A CN109228191A (en) | 2018-10-31 | 2018-10-31 | Reverse drawing stripper plate eliminates the high-precision mold and its release method for pouring a trace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811289540.0A CN109228191A (en) | 2018-10-31 | 2018-10-31 | Reverse drawing stripper plate eliminates the high-precision mold and its release method for pouring a trace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109228191A true CN109228191A (en) | 2019-01-18 |
Family
ID=65079904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811289540.0A Withdrawn CN109228191A (en) | 2018-10-31 | 2018-10-31 | Reverse drawing stripper plate eliminates the high-precision mold and its release method for pouring a trace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109228191A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115255330A (en) * | 2022-07-26 | 2022-11-01 | 无锡锡南科技股份有限公司 | Passive lower ejection device of metal type low-pressure die |
| CN115255330B (en) * | 2022-07-26 | 2024-05-24 | 无锡锡南科技股份有限公司 | Passive lower ejection device for metal low-pressure mould |
-
2018
- 2018-10-31 CN CN201811289540.0A patent/CN109228191A/en not_active Withdrawn
Non-Patent Citations (1)
| Title |
|---|
| 王天成: "《注塑成型新工艺新技术与注塑模具创新设计实用手册 第四卷》", 31 December 2005, 世界知识音像出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115255330A (en) * | 2022-07-26 | 2022-11-01 | 无锡锡南科技股份有限公司 | Passive lower ejection device of metal type low-pressure die |
| CN115255330B (en) * | 2022-07-26 | 2024-05-24 | 无锡锡南科技股份有限公司 | Passive lower ejection device for metal low-pressure mould |
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| 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 | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190118 |
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| WW01 | Invention patent application withdrawn after publication |