CN107399035A - Intelligent core-pulling die - Google Patents

Intelligent core-pulling die Download PDF

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Publication number
CN107399035A
CN107399035A CN201710880367.0A CN201710880367A CN107399035A CN 107399035 A CN107399035 A CN 107399035A CN 201710880367 A CN201710880367 A CN 201710880367A CN 107399035 A CN107399035 A CN 107399035A
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China
Prior art keywords
drive
drive rods
core
rack
module
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Granted
Application number
CN201710880367.0A
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Chinese (zh)
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CN107399035B (en
Inventor
胡程远
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Xinchang Weikang Electronic Technology Co., Ltd.
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Cixi Tian Yang Ancient Tree Industrial Design Co Ltd
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Priority to CN201710880367.0A priority Critical patent/CN107399035B/en
Publication of CN107399035A publication Critical patent/CN107399035A/en
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Publication of CN107399035B publication Critical patent/CN107399035B/en
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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
    • B29C33/00Moulds or cores; Details thereof or accessories therefor
    • B29C33/44Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles

Abstract

The invention discloses a kind of intelligent core-pulling die, include the ejecting structure of the horizontal direction of the through hole core-pulling device of vertical direction, ejecting mechanism drive device and product (1);The piston rod free end of drive cylinder (18) is be hinged with No.1 drive rod (11), and No. two drive rods (12) roll with escapement (17) and connected;Product knock-pin (4) is horizontally arranged, and be connected by the upper end of the first driving gear set (5) and rack-plate (10), rack-plate (10) lower end is connected by link gear with escapement (17).After above structure, also prevent potential safety hazard while greatly improving production efficiency, while substantially reduce the cost of production equipment.

Description

Intelligent core-pulling die
Technical field
The present invention relates to the technical field of mould, is especially a kind of intelligent core-pulling die.
Background technology
At present, the upper majority of in life or production can use plastic products, and a big chunk reason is because they are easy One-shot forming is into complicated shape, than product 1 as shown in Figure 1, although it is a simple product, in U-shaped bottom Through hole 1-1 is additionally provided with, therefore, the ejection action of the core pulling action of through hole and product can be arranged to enter simultaneously in mold design OK.But this mould structure has the drawback that:On the one hand, because the stripping direction of product is vertical direction, therefore produce Product are when taking out, it is necessary to and it is that vertical direction takes out product, so, the opening stroke of upper mould will be designed to very greatly, In order to which operating personnel are taken out product, and opening stroke is bigger, molds that the specification of drive cylinder is bigger, and other corresponding zero The size and specification of accessory be also just designed to it is bigger so that the cost of production equipment is higher;On the other hand, mould molding takes off Mould typically manually takes out, and the hand of operating personnel will be intervened in mould, causes certain potential safety hazard, while production efficiency Lowly.
The content of the invention
The technical problem to be solved by the invention is to provide it is a kind of can shorten die sinking drive cylinder opening stroke, from And equipment cost is reduced, and artificial taking-up product is replaced, so as to the intelligent core pulling mould realized automation, avoid potential safety hazard Tool.
In order to solve the above technical problems, intelligent core-pulling die provided by the invention, including upper die and lower die and ejecting mechanism, The die cavity of product is formed after upper die and lower die matched moulds;It also includes the ejection of the through hole core-pulling device, ejecting mechanism of vertical direction The ejecting structure of drive device and the horizontal direction of product, ejects drive device and ejecting structure passes through link gear Connection, through hole core-pulling device are connected with ejection drive device;Described ejection drive device includes drive cylinder, No.1 drives Bar, No. two drive rods, No. three drive rods and escapement, one end of No.1 drive rod and the lower module of mould are hinged, the other end and two One end of number drive rod is hinged, and the other end of No. two drive rods is connected with the lower end in contact of No. three drive rods, No. three drive rods Upper end is connected by rack pinion with ejecting mechanism, and No. three drive rod vertical directions are slidably connected on lower module, The piston rod free end of the drive cylinder and the middle part of No.1 drive rod are hinged, and No. two drive rods are rolled with escapement and connected, pendulum Wheel is rotatably connected on lower module;The lower end of through hole core-pulling device contacts connection with No. two drive rods, and escapement is located at through hole Below No. two drive rods between core-pulling device and No. three drive rods;The ejecting structure includes product knock-pin, first Driving gear set and rack-plate, product knock-pin is horizontally arranged, and product knock-pin by the first driving gear set with The upper end drive connection of rack-plate, rack-plate lower end is connected with escapement by link gear and driven by escapement.
No. three drive rod vertical directions, which are slidably connected on lower module, to be referred to, lower module is provided with upper guide pad with Guide pad, the upper end of No. three drive rods are slidably connected in guide pad, and lower slide is connected in lower guide pad;Described three The lower end of number drive rod is provided with roller, and No. three shaft shoulders are provided with above roller, is provided with and is socketed between No. three shaft shoulders and lower guide pad No. three springs on No. three drive rods, No. three drive rods make roller contact company with No. two drive rods all the time by No. three springs Connect.
No. three drive rods are provided with rack in the side wall of vertical direction, and tooth also is provided with the push rod side wall of ejecting mechanism Pass through the second driving gear set engaged transmission between the rack of bar, the rack of push rod side wall and No. three drive rods.
The through hole core-pulling device includes core bar, core bar spring and roller, and the upper end of the core bar is located at the through hole of product Place forms the type face of through hole, and lower module is provided with core bar guide pad, and core bar is slidably connected with core bar guide pad;The lower end of core bar connects Roller is connect, roller contacts connection with No. two drive rods;Core bar above roller is provided with the core bar shaft shoulder, core bar guide pad and core bar The core bar spring being socketed on core bar is provided between the shaft shoulder, core bar makes roller be contacted all the time with No. two drive rods by core bar spring Connection.
The link gear includes No. four drive rods, No. five drive rods and linkage spring;One end of No. four drive rods It is fixedly connected on escapement, the other end is located at outside escapement and disengages or push against, No. five drive rods with one end of No. five drive rods Middle part is hinged on lower module, and the other end of No. five drive rods and the lower end of rack-plate are hinged;It is described linkage spring one end with The connection of lower module, the other end be connecteds with No. five drive rods, and the tie point of link spring and No. five drive rods is located at No. five and driven The pin joint of lever itself and between the pin joint of rack-plate.
Stopping means is provided between the upper end of the rack-plate and lower module, the stopping means includes gag lever post, spacing bullet Spring and limition orientation block;The limition orientation block is fixedly connected on lower module, and one end and the rack-plate of gag lever post push against, another End is slidably connected with limition orientation block, and gag lever post is provided with the gag lever post shaft shoulder close to one end of rack-plate, the gag lever post shaft shoulder with it is spacing Limit spring is socketed with gag lever post between guide pad.
Be provided with position-limit mechanism between described ejection drive device and lower module, the position-limit mechanism include initial limited block and Limited block is terminated, the initial limited block is located at the both sides of No.1 drive rod with terminating limited block respectively.
With being provided with spacer pin below the pin joint of lower module, one end of spacer pin is fixedly connected on No. five described drive rods On lower module, the other end is support end of No. five drive rods when before being triggered by No. four drive rods.
After above structure, the present invention compared with prior art, has the following advantages that:
1) because the demoulding, core pulling and blanking of product are all completed by the action of mold body, it instead of people Work operates, therefore has also prevented potential safety hazard while greatly improve production efficiency;
2) because the stripping direction of product is vertical direction, and the blanking direction of product is horizontal, therefore, as long as will Upper mould is opened to can be by the stroke of product overall height, so as to substantially reduce opening stroke, it is thereby possible to select rule The less die sinking drive cylinder of lattice, and other corresponding spare and accessory parts sizes and specification also accordingly diminish, so as to substantially reduce production The cost of equipment;
3) the core bar bottom in the bottom and through hole core-pulling device of No. three drive rods is pushed against on No. two drive rods, and point Not Wei Yu escapement both sides, so, when No. two drive rods are being swung on escapement, on the one hand No. three drive rods on Rise, driving push rod is up, product is deviate from cavity plate;Meanwhile core bar moves down, the through hole on product is set to realize core pulling;Therefore, pass through Ejection drive device realizes the core pulling of through hole and the demoulding of product simultaneously, simple in construction, flexible, more efficient;
4) after product stripping, by the rotation of escapement, No. four drive rods, No. five drive rods are further driven, finally to tooth Batten is up, after forcing the first driving gear set to operate, realizes the horizontal motion of product knock-pin, last ejecting product, So as to realize automation.
Brief description of the drawings
Fig. 1 is the structural representation of related products in the present invention.
Fig. 2 is structural representation of the intelligent core-pulling die of the present invention in matched moulds.
Fig. 3 is structural representation of the intelligent core-pulling die of the present invention in die sinking.
Fig. 4 is structural representation of the intelligent core-pulling die of the present invention after die sinking.
Wherein, 1, product;1-1, through hole;2nd, upper mould;3rd, lower mould;4th, product knock-pin;5th, the first driving gear set;6th, limit Position spring;7th, limition orientation block;8th, gag lever post;9th, the gag lever post shaft shoulder;10th, rack-plate;11st, No.1 drive rod;12nd, No. two drivings Bar;13rd, No. three drive rods;14th, No. four drive rods;15th, No. five drive rods;16th, link spring;17th, escapement;18th, drive cylinder; 19th, No. three shaft shoulders;20th, No. three springs;21st, lower guide pad;22nd, the second driving gear set;23rd, upper guide pad;24th, core bar axle Shoulder;25th, core bar spring;26th, core bar guide pad;27th, core bar;28th, initial limited block;29th, limited block is terminated;30th, ejecting mechanism; 31st, spacer pin.
Embodiment
The present invention is described in more detail with reference to the accompanying drawings and detailed description.
From the structural representation of the intelligent core-pulling die of the invention shown in Fig. 2~Fig. 4, it includes upper mould 2, lower mould 3 With ejecting mechanism 30, the die cavity of product 1 is formed after upper mould 2 and the lower matched moulds of mould 3.Also the through hole core pulling including vertical direction fills for it Put, the ejecting structure of the horizontal direction of the ejection drive device of ejecting mechanism 30 and product 1, ejection drive device and automatic Liftout attachment is connected by link gear, and through hole core-pulling device is connected with ejection drive device.Described ejection drive device bag Include drive cylinder 18, the drive rod 13 of drive rod 12, three of No.1 drive rod 11, two and escapement 17, the one of No.1 drive rod 11 The lower module with mould is held to be hinged, one end of the other end and No. two drive rods 12 is hinged, the other end and three of No. two drive rods 12 The lower end in contact connection of number drive rod 13, the upper end of No. three drive rods 13 are connected by rack pinion with ejecting mechanism 30, And No. three vertical directions of drive rod 13 are slidably connected on lower module, the piston rod free end and No.1 of the drive cylinder 18 The middle part of drive rod 11 is hinged, and No. two drive rods 12 are rolled with escapement 17 and connected, and escapement 17 is rotatably connected on lower module.Through hole The lower end of core-pulling device contacts connection with No. two drive rods 12, and escapement 17 is located at through hole core-pulling device and No. three drive rods 13 Between the lower section of No. two drive rods 12.The ejecting structure includes product knock-pin 4, the first driving gear set 5 and rack Plate 10, product knock-pin 4 is horizontally arranged, and product knock-pin 4 passes through the upper of the first driving gear set 5 and rack-plate 10 End drive connection, the lower end of rack-plate 10 is connected with escapement 17 by link gear and driven by escapement 17.Wherein ejecting mechanism 30 For conventional ejecting structure, as shown in FIG., including the more upper ejector pins acted on product, the lower end of multiple upper ejector pins are logical Cross horizontal top to be connected with lower push rod, lower push rod is slidably connected with support bar, and support bar is fixedly connected on lower module.
No. three drive rods 13 vertical direction, which is slidably connected on lower module, to be referred to, lower module is provided with upper guide pad 23 With lower guide pad 21, the upper end of No. three drive rods 13 is slidably connected in guide pad 23, and lower slide is connected to lower guide pad In 21.The lower end of No. three described drive rods 13 is provided with roller, No. three shaft shoulders 19 is provided with above roller, No. three shaft shoulders 19 are with No. three springs 20 being socketed on No. three drive rods 13 are provided between guide pad 21, No. three drive rods 13 are made by No. three springs 20 Roller contacts connection with No. two drive rods 12 all the time.
No. three drive rods 13 are provided with rack in the side wall of vertical direction, are also set in the push rod side wall of ejecting mechanism 30 There is rack, pass through the engaged transmission of the second driving gear set 22 between the rack of push rod side wall and the rack of No. three drive rods 13.
The through hole core-pulling device includes core bar 27, core bar spring 25 and roller, and the upper end of the core bar 27 is located at product 1 Through hole 1-1 at form through hole 1-1 type face, lower module is provided with core bar guide pad 26, and core bar 27 is slided with core bar guide pad 26 Dynamic connection.The lower end connection roller of core bar 27, roller contact connection with No. two drive rods 12.Core bar 27 above roller is provided with The core bar shaft shoulder 24, the core bar spring 25 being socketed on core bar 27, core bar 27 are provided between core bar guide pad 26 and the core bar shaft shoulder 24 Roller is set to contact connection with No. two drive rods 12 all the time by core bar spring 25.
The link gear includes 14, No. five drive rods 15 of No. four drive rods and linkage spring 16.No. four drive rods 14 one end is fixedly connected on escapement 17, and the other end is located at outside escapement 17 and disengages or support with one end of No. five drive rods 15 Tightly, No. five middle parts of drive rod 15 are hinged on lower module, and the lower end of the other end and rack-plate 10 of No. five drive rods 15 is hinged.Institute The one end for stating linkage spring 16 is connected with lower module, and the other end is connected with No. five drive rods 15, and link spring 16 and No. five The tie point of drive rod 15 is positioned at the pin joint of No. five drive rods 15 itself and between the pin joint of rack-plate 10.
It is provided with stopping means between the upper end of the rack-plate 10 and lower module, the stopping means includes gag lever post 8, spacing Spring 6 and limition orientation block 7.The limition orientation block 7 is fixedly connected on lower module, one end and the rack-plate 10 of gag lever post 8 Push against, the other end is slidably connected with limition orientation block 7, and gag lever post 8 is provided with the gag lever post shaft shoulder 9 close to one end of rack-plate 10, limit Limit spring 6 is socketed with gag lever post 8 between the position bar shaft shoulder 9 and limition orientation block 7.
Position-limit mechanism is provided between described ejection drive device and lower module, the position-limit mechanism includes initial limited block 28 With termination limited block 29, the initial limited block 28 is located at the both sides of No.1 drive rod 11 with terminating limited block 29 respectively.
No. five described drive rods 15 with being provided with spacer pin 31 below the pin joint of lower module, fix by one end of spacer pin 31 It is connected on lower module, the other end is support end of No. five drive rods 15 when before being triggered by No. four drive rods 14.
The course of work of the intelligent core-pulling die of the present invention is as follows:When upper mould 2 molds, drive cylinder 18 starts to start, driving No.1 drive rod 11 rotates to the right, and then drives No. two drive rods 12 to depart from escapement 17 again while moving right, So that No. two drive rods 12 are swung, one end away from drive cylinder 18 is lifted up, and forces No. three drive rods 13 upward It is mobile, under the transmission of rack-and-pinion, the push rod in ejecting mechanism is moved upwards, so as to ejecting product 1.Core bar side simultaneously No. two drive rods 12 press downwards, the bottom of core bar 27 lose limitation after force core bar 27 downward in the presence of core bar spring 25 It is mobile, so that the upper end of core bar 27 extracts through hole 1-1 out.When above-mentioned action is fully finished, product 1 ejects lower mould by push rod, leads to Hole 1-1 core pullings terminate, and now on escapement 17 No. four drive rod 14 rotates with the rotation of escapement 17, until No. five drives One end of lever 15, link gear start to act.The rotation of itself occurs for No. five drive rods 15, makes the company being connected with rack-plate 10 Connect end to be lifted up, rack-plate 10 is driven upward motion, and in the presence of the first driving gear set 5, product knock-pin 4 is to the left Move horizontally, so that by the ejection die of product 1, so far realize whole actions of automatic core-pulling blanking.
It is described above, only it is preferably feasible implementation example of the invention, it is impossible to therefore limit to the interest field of the present invention, For those skilled in the art, it is all made with technical scheme and technical concept other are various corresponding Change should all belong within the protection domain of the claims in the present invention.

Claims (8)

1. a kind of intelligent core-pulling die, including upper mould (2), lower mould (3) and ejecting mechanism (30), upper mould (2) and lower mould (3) matched moulds The die cavity of product (1) is formed afterwards;It is characterized in that:It is also including the through hole core-pulling device of vertical direction, ejecting mechanism (30) The ejecting structure of drive device and the horizontal direction of product (1) is ejected, drive device is ejected and ejecting structure passes through Link gear is connected, and through hole core-pulling device is connected with ejection drive device;Described ejection drive device includes drive cylinder (18), No.1 drive rod (11), No. two drive rods (12), No. three drive rods (13) and escapement (17), No.1 drive rod (11) The lower module of one end and mould is hinged, and the other end and one end of No. two drive rods (12) are hinged, No. two drive rods (12) it is another End is connected with the lower end in contact of No. three drive rods (13), and the upper end of No. three drive rods (13) passes through rack pinion and ejector Structure (30) is connected, and No. three drive rod (13) vertical directions are slidably connected on lower module, the work of the drive cylinder (18) The middle part of stopper rod free end and No.1 drive rod (11) is hinged, and No. two drive rods (12) roll with escapement (17) and connected, escapement (17) it is rotatably connected on lower module;The lower end of through hole core-pulling device contacts connection, and escapement with No. two drive rods (12) (17) below No. two drive rods (12) between through hole core-pulling device and No. three drive rods (13);The ejecting structure Including product knock-pin (4), the first driving gear set (5) and rack-plate (10), product knock-pin (4) is horizontally arranged, and And product knock-pin (4) is connected by the upper end of the first driving gear set (5) and rack-plate (10), rack-plate (10) lower end It is connected with escapement (17) by link gear and is driven by escapement (17).
2. intelligent core-pulling die according to claim 1, it is characterised in that:No. three drive rods (13) vertical direction is slided Dynamic be connected on lower module refer to, lower module is provided with upper guide pad (23) and lower guide pad (21), No. three drive rods (13) Upper end is slidably connected in guide pad (23), and lower slide is connected in lower guide pad (21);No. three described drive rods (13) lower end is provided with roller, No. three shaft shoulders (19) is provided with above roller, between No. three shaft shoulders (19) and lower guide pad (21) Provided with No. three springs (20) being socketed on No. three drive rods (13), No. three drive rods (13) make roller by No. three springs (20) All the time connection is contacted with No. two drive rods (12).
3. intelligent core-pulling die according to claim 2, it is characterised in that:No. three drive rods (13) are in vertical direction Side wall be provided with rack, also be provided with rack in the push rod side wall of ejecting mechanism (30), the rack of push rod side wall and No. three drivings Pass through the second driving gear set (22) engaged transmission between the rack of bar (13).
4. intelligent core-pulling die according to claim 1, it is characterised in that:The through hole core-pulling device includes core bar (27), core bar spring (25) and roller, the upper end of the core bar (27) are located at through hole (1-1) place formation through hole (1- of product (1) 1) type face, lower module are provided with core bar guide pad (26), and core bar (27) is slidably connected with core bar guide pad (26);Core bar (27) Lower end connection roller, roller contacts connection with No. two drive rods (12);Core bar (27) above roller is provided with the core bar shaft shoulder (24) the core bar spring (25) being socketed on core bar (27), core bar, are provided between core bar guide pad (26) and the core bar shaft shoulder (24) (27) roller is made to contact connection with No. two drive rods (12) all the time by core bar spring (25).
5. intelligent core-pulling die according to claim 1, it is characterised in that:The link gear includes No. four drive rods (14), No. five drive rods (15) and linkage spring (16);One end of No. four drive rods (14) is fixedly connected on escapement (17) On, the other end is located at escapement (17) outside and disengages or push against with one end of No. five drive rods (15), in No. five drive rods (15) Portion is hinged on lower module, and the lower end of the other end and rack-plate (10) of No. five drive rods (15) is hinged;The linkage spring (16) one end is connected with lower module, and the other end is connected with No. five drive rods (15), and the spring that links (16) and No. five drivings The tie point of bar (15) is positioned at the pin joint of No. five drive rods (15) itself and between the pin joint of rack-plate (10).
6. intelligent core-pulling die according to claim 5, it is characterised in that:The upper end of the rack-plate (10) and lower module Between be provided with stopping means, the stopping means includes gag lever post (8), limit spring (6) and limition orientation block (7);It is described spacing Guide pad (7) is fixedly connected on lower module, and one end and the rack-plate (10) of gag lever post (8) push against, the other end and limition orientation Block (7) is slidably connected, and gag lever post (8) is provided with the gag lever post shaft shoulder (9) close to one end of rack-plate (10), the gag lever post shaft shoulder (9) and Limit spring (6) is socketed with gag lever post (8) between limition orientation block (7).
7. intelligent core-pulling die according to claim 1, it is characterised in that:Described ejection drive device and lower module it Between be provided with position-limit mechanism, the position-limit mechanism includes initial limited block (28) and termination limited block (29), the initial limited block (28) it is located at the both sides of No.1 drive rod (11) respectively with terminating limited block (29).
8. intelligent core-pulling die according to claim 5, it is characterised in that:No. five described drive rods (15) and lower module Pin joint below be provided with spacer pin (31), one end of spacer pin (31) is fixedly connected on lower module, the other end be No. five drive Support end of the lever (15) when before being triggered by No. four drive rods (14).
CN201710880367.0A 2017-09-26 2017-09-26 Intelligent core-pulling die Active CN107399035B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109664472A (en) * 2019-01-29 2019-04-23 集美大学 Fiberglass reinforced type PBT fine precision injection mold
CN112549279A (en) * 2020-11-19 2021-03-26 中国核工业中原建设有限公司 Demoulding equipment is used in production of assembled building element

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204076707U (en) * 2014-09-11 2015-01-07 浙江黄岩红旗塑料模具厂 The mould emptier of Mold for Plastics
CN106881832A (en) * 2015-12-16 2017-06-23 重庆昇顺科技有限公司 Automobile fitting die for processing

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204076707U (en) * 2014-09-11 2015-01-07 浙江黄岩红旗塑料模具厂 The mould emptier of Mold for Plastics
CN106881832A (en) * 2015-12-16 2017-06-23 重庆昇顺科技有限公司 Automobile fitting die for processing

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109664472A (en) * 2019-01-29 2019-04-23 集美大学 Fiberglass reinforced type PBT fine precision injection mold
CN112549279A (en) * 2020-11-19 2021-03-26 中国核工业中原建设有限公司 Demoulding equipment is used in production of assembled building element

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