CN112848060A - Disposable injection mold capable of being embedded into metal piece and using method - Google Patents

Disposable injection mold capable of being embedded into metal piece and using method Download PDF

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Publication number
CN112848060A
CN112848060A CN202110324420.5A CN202110324420A CN112848060A CN 112848060 A CN112848060 A CN 112848060A CN 202110324420 A CN202110324420 A CN 202110324420A CN 112848060 A CN112848060 A CN 112848060A
Authority
CN
China
Prior art keywords
die
mold
fixedly connected
ejection
oil cylinder
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
CN202110324420.5A
Other languages
Chinese (zh)
Inventor
纪勋尚
李结
赵淑贤
陈凯
孙培茂
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.)
Qingdao Boruite Engineering Material Co ltd
Original Assignee
Qingdao Boruite Engineering Material Co ltd
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 Qingdao Boruite Engineering Material Co ltd filed Critical Qingdao Boruite Engineering Material Co ltd
Priority to CN202110324420.5A priority Critical patent/CN112848060A/en
Publication of CN112848060A publication Critical patent/CN112848060A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14065Positioning or centering articles in the mould
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/40Removing or ejecting moulded articles
    • B29C45/4005Ejector constructions; Ejector operating mechanisms
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/46Means for plasticising or homogenising the moulding material or forcing it into the mould
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/64Mould opening, closing or clamping devices
    • B29C45/67Mould opening, closing or clamping devices hydraulic
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/72Heating or cooling
    • B29C45/73Heating or cooling of the mould

Abstract

The invention discloses a disposable injection mold capable of being embedded into a metal piece, which comprises a base, wherein two sides of the upper end of the base are fixedly connected with stand columns, the upper ends of the two stand columns are fixedly connected with a same top plate, a fixed plate is arranged above the base, two side walls of the fixed plate are respectively and fixedly connected to the two stand columns, an installation plate is arranged above the fixed plate, two side walls of the installation plate are respectively and fixedly connected with sliding sleeves, the two sliding sleeves are respectively sleeved on the two stand columns in a sliding mode, a lifting oil cylinder is arranged on the lower end face of the top plate, a telescopic end of the lifting oil cylinder is fixed at the upper end of the installation plate, and. The invention also discloses a using method of the disposable injection mold capable of being embedded into the metal piece. The invention can embed metal parts and complete one-time injection molding, has quick operation, greatly improves the operation efficiency, has better injection molding effect and higher molding strength of finished injection molded parts.

Description

Disposable injection mold capable of being embedded into metal piece and using method
Technical Field
The invention relates to the technical field of injection molds, in particular to a disposable injection mold capable of being embedded into a metal piece and a using method.
Background
At present, an injection mold is a tool for producing plastic products and also a tool for endowing the plastic products with complete structures and accurate sizes, and injection molding is a processing method used when parts with complex shapes are produced in batches, and specifically, heated and melted plastics are injected into the injection mold through an injection molding machine and are cooled and solidified to obtain a formed product.
The existing injection molding part is embedded with a metal part to enhance the molding strength of the injection molding part, and the injection molding part is usually molded twice in half and half, so that the operation is more complicated, the operation efficiency is reduced, and the production cost is increased.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a disposable injection mold capable of being embedded into a metal piece and a using method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
a disposable injection mold capable of being embedded with metal pieces comprises a base, wherein two sides of the upper end of the base are fixedly connected with stand columns, the upper ends of the two stand columns are fixedly connected with a same top plate, a fixed plate is arranged above the base, two side walls of the fixed plate are respectively fixedly connected to the two stand columns, a mounting plate is arranged above the fixed plate, two side walls of the mounting plate are respectively fixedly connected with sliding sleeves, the two sliding sleeves are respectively sleeved on the two stand columns in a sliding manner, a lifting oil cylinder is arranged on the lower end face of the top plate, the telescopic end of the lifting oil cylinder is fixed on the upper end of the mounting plate, an upper mold is arranged on the lower end face of the mounting plate, a lower mold is arranged on the upper end face of the fixed plate, a mold core is arranged between the upper mold and the lower mold, an upper, the upper end of the base is provided with a pushing mechanism, the lower die is internally provided with a jacking piece corresponding to the pushing mechanism, and two side walls of the die core are provided with positioning mechanisms for positioning metal pieces.
Preferably, the pushing mechanism comprises a first pushing oil cylinder installed at the upper end of the base, the telescopic end of the first pushing oil cylinder faces upwards and is fixedly connected with a movable plate, the upper end face of the movable plate is fixedly connected with two ejector rods, and the two ejector rods penetrate through the fixed plate upwards.
Preferably, the ejection part is including setting up the top groove inside the lower mould and with lower mould groove intercommunication, be equipped with the ejector pin in the top groove, the inside extension spring that is equipped with of top groove, the upper end of extension spring is connected on the ejector pin, the lower extreme of extension spring is connected on the interior diapire of top groove.
Preferably, the positioning mechanism includes a positioning thimble penetrating through the side wall of the mold core, a second pushing cylinder is fixedly mounted on the side wall of the column, a telescopic end of the second pushing cylinder faces the mold core and is fixedly connected with a mounting sleeve, one end of the positioning thimble, which is located outside the mold core, is inserted into the mounting sleeve, and a fixing bolt for fixing the positioning thimble is connected to the side wall of the mounting sleeve.
Preferably, the side walls of the upper die and the lower die are provided with connecting lugs, and the connecting lugs are connected with connecting bolts.
Preferably, the four corners of the upper end of the lower die are fixedly connected with limit posts, the four corners of the die core are provided with through grooves corresponding to the limit posts in a penetrating manner, and the four corners of the lower end face of the upper die are provided with slots corresponding to the limit posts.
The use method of the disposable injection mold capable of being embedded into the metal piece comprises the following steps:
the method comprises the following steps: firstly, placing a metal piece in a die cavity in a die core, starting a second pushing oil cylinder to extend, and driving a positioning thimble to position and fix the metal piece;
step two: starting a lifting oil cylinder to extend to drive the upper die to move downwards so as to complete die assembly of the upper die, the die core and the lower die;
step three: feeding glue into the injection mold through the injection hole, standing after the glue feeding is finished, cooling and shaping;
step four: after the positioning is finished, the lifting oil cylinder is started to contract to drive the upper die to move upwards, the second pushing oil cylinder is started to contract to drive the positioning thimble to move outwards, the first pushing oil cylinder is started to extend to drive the ejector rod to move upwards, the pushing needle is jacked upwards, and then the injection molding piece embedded into the metal piece is jacked to finish the demolding.
The invention has the beneficial effects that:
through setting up positioning mechanism, carry out stable location with the metalwork, and then guarantee when injection moulding, the stability of metalwork, and then guarantee finished product quality.
Through setting up pushing mechanism, ejector member, through starting the extension of first top push hydro-cylinder, drive the ejector pin and shift up, with the ascending jack-up of top push needle, and then will bury the injection molding jack-up of metalwork, accomplish the drawing of patterns, realize the quick drawing of patterns of injection molding, and then improve processing production efficiency, practice thrift cost, increase benefit.
The invention can embed metal parts and complete one-time injection molding, has quick operation, greatly improves the operation efficiency, has better injection molding effect and higher molding strength of finished injection molded parts.
Drawings
FIG. 1 is a schematic structural diagram of a disposable injection mold capable of being embedded into a metal part according to the present invention;
FIG. 2 is an enlarged view of FIG. 1 at A;
FIG. 3 is a schematic structural diagram of an upper mold, a mold insert, a lower mold, a limiting post, a through groove, and a slot of a disposable injection mold capable of embedding a metal part according to the present invention;
fig. 4 is an enlarged view of fig. 1 at B.
In the figure: the device comprises a base 1, a column 2, a sliding sleeve 3, a mounting plate 4, a lifting oil cylinder 5, a top plate 6, a connecting lug 7, a connecting bolt 8, an upper die 9, an upper die groove 10, a die core 11, a die cavity 12, a lower die 13, a lower die groove 14, a fixing plate 15, an injection molding hole 16, a moving plate 17, a first pushing oil cylinder 18, a second pushing oil cylinder 19, a positioning thimble 20, a mounting sleeve 21, a fixing bolt 22, a pushing pin 23, a tension spring 24, a top groove 25, a top rod 26, a penetrating groove 27, a slot 28 and a limiting column 29.
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.
Referring to fig. 1-4, a disposable injection mold capable of being embedded with metal parts comprises a base 1, wherein two sides of the upper end of the base 1 are fixedly connected with upright posts 2, the upper ends of the two upright posts 2 are fixedly connected with a same top plate 6, a fixing plate 15 is arranged above the base 1, two side walls of the fixing plate 15 are respectively fixedly connected with the two upright posts 2, a mounting plate 4 is arranged above the fixing plate 15, two side walls of the mounting plate 4 are respectively fixedly connected with sliding sleeves 3, the two sliding sleeves 3 are respectively sleeved on the two upright posts 2 in a sliding manner, the sliding sleeves 3 are guided by the upright posts 2, so that the mounting plate 4 can move more accurately and stably in the vertical direction without deviation, a lifting oil cylinder 5 is arranged on the lower end surface of the top plate 6, the telescopic end of the lifting oil cylinder 5 is fixed on the upper end of the mounting plate 4, the mould comprises an upper mould 9, a lower mould 13, a mould core 11, an upper mould groove 10, a mould cavity 12 and a lower mould groove 14, wherein the inner sides of the upper mould 9, the mould core 11 and the lower mould 13 are respectively provided with the upper mould groove 10, the mould cavity 12 and the lower mould groove 14, the top of the upper mould 9 is provided with an injection hole 16, the glue feeding of the injection mould is completed through the injection hole 16, the upper end of a base 1 is provided with a pushing mechanism, a material ejection part corresponding to the pushing mechanism is arranged inside the lower mould 13, and two side walls.
In the invention, the pushing mechanism comprises a first pushing oil cylinder 18 arranged at the upper end of the base 1, the telescopic end of the first pushing oil cylinder 18 faces upwards and is fixedly connected with a moving plate 17, the upper end surface of the moving plate 17 is fixedly connected with two ejector rods 26, and the two ejector rods 26 both upwards penetrate through the fixed plate 15. The ejection piece comprises an ejection groove 25 which is arranged inside the lower die 13 and communicated with the lower die groove 14, an ejection needle 23 is arranged in the ejection groove 25, a tension spring 24 is arranged inside the ejection groove 25, the upper end of the tension spring 24 is connected to the ejection needle 23, the lower end of the tension spring 24 is connected to the inner bottom wall of the ejection groove 25, the first ejection oil cylinder 18 is started to extend, the ejection rod 26 is driven to move upwards, the ejection needle 23 is jacked upwards, an injection molding piece embedded with a metal piece is jacked, demolding is completed, and then the ejection needle 23 moves under the tensile force of the tension spring 24 to reset.
Specifically, the positioning mechanism includes a positioning thimble 20 penetrating through the side wall of the mold core 11, a second pushing cylinder 19 is fixedly mounted on the side wall of the upright post 2, a telescopic end of the second pushing cylinder 19 faces the mold core 11 and is fixedly connected with a mounting sleeve 21, one end of the positioning thimble 20 located outside the mold core 11 is inserted in the mounting sleeve 21, a fixing bolt 22 for fixing the positioning thimble 20 is connected to the side wall of the mounting sleeve 21, the positioning thimble 20 is driven to move towards the inner side of the mold core 11 to fix the position of the metal piece by starting the extension of the second pushing cylinder 19, and then the stability of the embedded metal piece during injection molding is ensured, and further the quality of an injection molding finished product is ensured.
Specifically, all be equipped with engaging lug 7 on the lateral wall of last mould 9, lower mould 13, be connected with connecting bolt 8 on the engaging lug 7, realize the erection joint of engaging lug 7 and mounting panel 4, fixed plate 15 through bolt 8, and then install last mould 9, lower mould 13, can realize going up the convenient dismouting of mould 9, lower mould 13.
Concretely, the equal fixedly connected with of upper end four corners department 29 of lower mould 13, 11 four corners departments of mould benevolence all run through be equipped with the groove 27 that runs through that corresponds with spacing post 29, it all is equipped with the slot 28 that corresponds with spacing post 29 to go up terminal surface four corners department under the mould 9, through spacing post 29 and the groove 27 that runs through, slot 28 carries out the adaptation, and then pinpoint mould benevolence 11, and guarantee mould 9, the accuracy nature of lower mould 13 compound die, and then guarantee that the compound die is moulded plastics accurate, and is stable, guarantee the steady quality of the product of moulding plastics.
The use method of the disposable injection mold capable of being embedded into the metal piece comprises the following steps:
the method comprises the following steps: firstly, placing a metal piece in a die cavity 12 in a die core 11, starting a second pushing cylinder 19 to extend, driving a positioning thimble 20 to horizontally feed to the inner side of the die core 11, further positioning and fixing the metal piece, ensuring the stability of the metal piece pre-embedded in the die core 11 in injection molding, and ensuring the stable quality of an injection molding finished product;
step two: starting the lifting oil cylinder 5 to extend to drive the upper die 9 to move downwards stably, and completing die assembly of the upper die 9, the die core 11 and the lower die 13;
step three: feeding glue into the injection mold through the injection molding holes 16, standing after the glue feeding is finished, cooling again, and waiting for the shaping of the injection molding finished product;
step four: after the positioning is finished, the lifting oil cylinder 5 is started to contract to drive the upper die 9 to move upwards, the die opening is finished, the second pushing oil cylinder 19 is started to contract to drive the positioning ejector pin 20 to move outwards, the first pushing oil cylinder 18 is started to extend to drive the ejector rod 26 to move upwards, the ejector pin 23 is jacked upwards, the injection molding piece embedded into the metal piece is jacked, the demolding is finished, and then the ejector pin 23 moves to reset under the action of the tension spring 24.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.

Claims (7)

1. The disposable injection mold capable of being embedded with metal pieces comprises a base (1) and is characterized in that stand columns (2) are fixedly connected to two sides of the upper end of the base (1), two stand columns (2) are fixedly connected to the upper end of the same top plate (6), a fixing plate (15) is arranged above the base (1), two side walls of the fixing plate (15) are fixedly connected to the two stand columns (2) respectively, a mounting plate (4) is arranged above the fixing plate (15), sliding sleeves (3) are fixedly connected to two side walls of the mounting plate (4), the two sliding sleeves (3) are sleeved on the two stand columns (2) in a sliding mode respectively, a lifting oil cylinder (5) is installed on the lower end face of the top plate (6), the telescopic end of the lifting oil cylinder (5) is fixed to the upper end of the mounting plate (4), an upper mold (9) is installed on the lower end face, the improved die is characterized in that a lower die (13) is installed on the upper end face of the fixing plate (15), a die core (11) is arranged between the upper die (9) and the lower die (13), an upper die groove (10), a die cavity (12) and a lower die groove (14) are respectively arranged on the inner sides of the upper die (9), the inner sides of the die core (11) and the lower die (13), an injection molding hole (16) is formed in the top of the upper die (9), a pushing mechanism is arranged at the upper end of the base (1), a material ejection part corresponding to the pushing mechanism is arranged inside the lower die (13), and positioning mechanisms used for positioning metal parts are arranged on the two.
2. The disposable injection mold of a embeddable metal part as defined in claim 1, wherein the ejection mechanism comprises a first ejection cylinder (18) mounted at an upper end of the base (1), a telescopic end of the first ejection cylinder (18) faces upward and is fixedly connected with a movable plate (17), two ejector rods (26) are fixedly connected to an upper end surface of the movable plate (17), and both ejector rods (26) extend upward through the fixed plate (15).
3. The disposable injection mold of a kind of embeddable metalwork as set forth in claim 2, characterized in that, the ejection piece includes an ejection groove (25) disposed inside the lower mold (13) and communicated with the lower mold groove (14), an ejection pin (23) is disposed in the ejection groove (25), a tension spring (24) is disposed inside the ejection groove (25), the upper end of the tension spring (24) is connected to the ejection pin (23), and the lower end of the tension spring (24) is connected to the inner bottom wall of the ejection groove (25).
4. The disposable injection mold capable of being embedded into metal pieces as claimed in claim 1, wherein the positioning mechanism comprises a positioning thimble (20) penetrating through the side wall of the mold core (11), the side wall of the upright column (2) is fixedly provided with a second pushing cylinder (19), the telescopic end of the second pushing cylinder (19) faces the mold core (11) and is fixedly connected with a mounting sleeve (21), one end of the positioning thimble (20) located outside the mold core (11) is inserted into the mounting sleeve (21), and the side wall of the mounting sleeve (21) is connected with a fixing bolt (22) for fixing the positioning thimble (20).
5. The disposable injection mold of a embeddable metal part as defined in claim 1, wherein the side walls of the upper mold (9) and the lower mold (13) are provided with connecting lugs (7), and the connecting lugs (7) are connected with connecting bolts (8).
6. The disposable injection mold of claim 1, wherein the four corners of the upper end of the lower mold (13) are fixedly connected with limiting posts (29), the four corners of the mold core (11) are respectively provided with through grooves (27) corresponding to the limiting posts (29), and the four corners of the lower end surface of the upper mold (9) are respectively provided with inserting grooves (28) corresponding to the limiting posts (29).
7. A method of using a disposable injection mold for a embeddable metallic part as defined in any one of claims 1-6, comprising the steps of:
the method comprises the following steps: firstly, a metal piece is placed in a die cavity (12) in a die core (11), a second pushing oil cylinder (19) is started to extend, and a positioning thimble (20) is driven to position and fix the metal piece;
step two: starting the lifting oil cylinder (5) to extend to drive the upper die (9) to move downwards to complete die assembly of the upper die (9), the die core (11) and the lower die (13);
step three: feeding glue into the injection mold through the injection molding holes (16), standing after the glue feeding is finished, cooling and shaping;
step four: after positioning is finished, the lifting oil cylinder (5) is started to contract to drive the upper die (9) to move upwards, the second pushing oil cylinder (19) is started to contract to drive the positioning thimble (20) to move outwards, the first pushing oil cylinder (18) is started to extend to drive the ejector rod (26) to move upwards, the ejector rod (23) is jacked upwards, and then an injection molding piece embedded into a metal piece is jacked to finish demolding.
CN202110324420.5A 2021-03-26 2021-03-26 Disposable injection mold capable of being embedded into metal piece and using method Pending CN112848060A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110324420.5A CN112848060A (en) 2021-03-26 2021-03-26 Disposable injection mold capable of being embedded into metal piece and using method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110324420.5A CN112848060A (en) 2021-03-26 2021-03-26 Disposable injection mold capable of being embedded into metal piece and using method

Publications (1)

Publication Number Publication Date
CN112848060A true CN112848060A (en) 2021-05-28

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Publication number Priority date Publication date Assignee Title
CN114801038A (en) * 2022-04-25 2022-07-29 合肥旭弘塑胶制品有限公司 Motor rotor shaft-wrapping injection molding mold and molding process thereof
CN114872277A (en) * 2022-03-30 2022-08-09 郯城县泓邦塑柄有限公司 Injection mold for outer layer of blank piece and preparation method thereof

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Publication number Priority date Publication date Assignee Title
CN114872277A (en) * 2022-03-30 2022-08-09 郯城县泓邦塑柄有限公司 Injection mold for outer layer of blank piece and preparation method thereof
CN114872277B (en) * 2022-03-30 2023-11-14 郯城县泓邦塑柄有限公司 Injection mold for outer layer of blank and preparation method thereof
CN114801038A (en) * 2022-04-25 2022-07-29 合肥旭弘塑胶制品有限公司 Motor rotor shaft-wrapping injection molding mold and molding process thereof

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Application publication date: 20210528

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