CN106334756A - The burring die set - Google Patents
The burring die set Download PDFInfo
- Publication number
- CN106334756A CN106334756A CN201611056075.7A CN201611056075A CN106334756A CN 106334756 A CN106334756 A CN 106334756A CN 201611056075 A CN201611056075 A CN 201611056075A CN 106334756 A CN106334756 A CN 106334756A
- Authority
- CN
- China
- Prior art keywords
- hole flanging
- drive block
- fixed
- slide block
- block
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The present invention discloses a burring die set that comprises an upper die subassembly and a lower die subassembly. The upper die subassembly comprises an upper die plate; an upper drive block (the upper end is fixed to upper die plate, and the lower end is provided with the first chamfer). The lower die subassembly comprises a lower die plate; a lower drive block (fixed to the lower die plate); a lower drive block (fixed to the lower die plate); a lower die insert (including a transverse interconnecting piece and a longitudinal interconnecting piece; the transverse interconnecting piece is fixed to the lower die plate, and the lengthwise interconnecting piece is matched with the lower drive block through a stepped tooth); a slide block (side-fitted with the lower die insert; the slide block is provided with the second chamfer, and the second chamfer is matched with the first chamfer); a male die (fixed to the slide block); a baffle (fixed to the lower die plate, permanently connected to the slide block using limiting screws; the first spring is located between the baffle and the transverse interconnecting piece). There is provided an arrangement in which a burring die set with the upper drive block, the lower drive block, the movable lower die insert and the male die solves the problem of high development cost caused by the tapered wedge purchasing, and improves the strength of the lower die insert.
Description
Technical field
The present invention relates to Stamping Die Technology, more particularly, to a kind of hole flanging mold.
Background technology
There is different shapes and angle in the hole on stamping parts, the hole angled with pressing direction needs rotary punching
Part or to complete hole by the way of wedge turn over system.
Solution of the prior art is the method using standard wedge: as shown in figure 1, standard wedge is completing to turn over
Hole, the top of standard wedge is arranged on the cushion block 2 ' of cope match-plate pattern 1 ', and bottom is arranged in lower template 3 ', punch 4 ' and die clamp 5 '
It is arranged on wedge 6 ', process part processing 10 ' is placed in lower mould insert 7 ', using positioning finger setting, holding pad 8 ' is by process part processing 10 '
It is pressed in lower mould insert 7 ', spring 9 ' provides pressure to holding pad, lower template 3 ' moves downward, and standard wedge 6 ' top is with upper mould
Plate 1 ' moves downward, and holding pad 8 ' is contacted with process part processing 10 ' first, and wedge 6 ' top moves downward promotion wedge 6 ' bottom and convex
Mould 4 ' moves, and completes hole of turning on one's side when cope match-plate pattern 1 ' reaches bottom dead centre.Wherein process part processing 10 ' is placed on lower mould insert 7 ' turning over when upper
Opposite side retaining space size a in hole, a value is more than size b of hole flanging, by work by the way of craft after completing a jig frequency
The hole flanging position of sequence part departs from lower mould insert 7 ' and takes off.
In prior art, hole flanging is realized using standard wedge, standard wedge relatively costly, and then increased whole mould
The development cost of tool；In order to after the completion of punching, process part processing is taken out, need to reserve certain sky between process part processing and lower mould insert
Between size a, so during hole flanging, the rear portion of lower mould insert is in vacant state, reduces mould strength, increased mould
Damage risk.
Content of the invention
It is an object of the invention to provide a kind of hole flanging mold, to solve the problems of the prior art, improve mould strength, fall
The damage risk of low mould.
The invention provides a kind of hole flanging mold, wherein, including upper die component and lower mold assemblies, described upper die component bag
Include:
Cope match-plate pattern；
Upper drive block, the upper end of described upper drive block is fixed on described cope match-plate pattern, and the lower end of described upper drive block is provided with
First inclined-plane；
Described lower mold assemblies include:
Lower template；
Lower drive block, is fixed in described lower template；
Lower mould insert, including lateral connection portion and longitudinally connected portion, described lateral connection portion is fixed in described lower template,
Cooperated by stepped tooth between described longitudinally connected portion and described lower drive block；
Slide block, is slidably matched with described lower mould insert, and described slide block has the second inclined-plane, described second inclined-plane and described the
One inclined-plane matches；
For the punch of hole flanging, described punch is fixed on described slide block；
Baffle plate, is fixed in described lower template, is fixedly connected with described slide block by stop screw, and described baffle plate and institute
State and between lateral connection portion, be provided with the first spring.
Hole flanging mold as above, these, it is preferred to, described lower mold assemblies also include cylinder, described for driving
Lower drive block raising and lowering.
Hole flanging mold as above, these, it is preferred to, described lower mold assemblies also include second spring, are arranged on institute
State between stop screw and described baffle plate.
Hole flanging mold as above, these, it is preferred to, described upper die component also includes holding pad and the 3rd spring,
Described holding pad is fixed on described cope match-plate pattern by described 3rd spring.
Hole flanging mold as above, these, it is preferred to, between the upper surface in described slide block and described lateral connection portion
It is provided with guide pad.
Hole flanging mold as above, these, it is preferred to, the both sides on described first inclined-plane are provided with rounded corner.
Hole flanging mold as above, these, it is preferred to, described lower mold assemblies also include die clamp, and described punch passes through
Described die clamp is fixed on described slide block.
Hole flanging mold as above, these, it is preferred to, described lower mold assemblies also include cushion block, be arranged on described in lead
To between block and described lower mould insert.
Hole flanging mold as above, these, it is preferred to, described cushion block is that the shape of falling u is block, and upper plane is used for fixing
Described guide pad, the groove of bottom is slidably matched with described lower mould insert.
Hole flanging mold as above, these, it is preferred to, the top length in described longitudinally connected portion and described lower driving
The top length sum of block is equal to the length of process part processing to be rushed.
The hole flanging mold that the present invention provides passes through the upper drive block of setting, lower drive block, the lower mould insert of activity and punch etc.,
Solve the problems, such as to cause mould development costly because of buying wedge, improve the intensity of lower mould insert simultaneously.
Brief description
Fig. 1 is hole flanging mold structural representation of the prior art；
Fig. 2 is the structural decomposition diagram of hole flanging mold provided in an embodiment of the present invention；
Fig. 3 is the axonometric drawing of the closure state of hole flanging mold provided in an embodiment of the present invention；
Fig. 4 is the sectional view of the closure state of hole flanging mold provided in an embodiment of the present invention；
Fig. 5 is the sectional view of the opening of hole flanging mold provided in an embodiment of the present invention；
Fig. 6 is the process part processing structural representation carrying out hole flanging using hole flanging mold provided in an embodiment of the present invention；
Fig. 7 is the structural representation at hole flanging in Fig. 6.
Description of reference numerals:
1 '-cope match-plate pattern, 2 '-cushion block, 3 '-lower template, 4 '-punch, 5 '-die clamp, 6 '-wedge, 7 '-lower mould insert 8 '-pressure
Flitch 9 '-spring, 10 '-process part processing
Mould insert 51- lateral connection portion 52- under drive block 5- under drive block 3- lower template 4- on 1- cope match-plate pattern 2-
Longitudinally connected portion 6- slide block 7- punch 8- baffle plate 9- stop screw 10- the first spring 11- cylinder 12- second spring
13- holding pad 14- the 3rd spring 15- guide pad 16- die clamp 17- cushion block 18- process part processing 19- hole flanging 20- limiting plate
Specific embodiment
Embodiments of the invention are described below in detail, the example of described embodiment is shown in the drawings, wherein from start to finish
The element that same or similar label represents same or similar element or has same or like function.Below with reference to attached
The embodiment of figure description is exemplary, is only used for explaining the present invention, and is not construed as limiting the claims.
Fig. 2 is the structural decomposition diagram of hole flanging mold provided in an embodiment of the present invention, and Fig. 3 provides for the embodiment of the present invention
The closure state of hole flanging mold axonometric drawing, Fig. 4 is the section view of the closure state of hole flanging mold provided in an embodiment of the present invention
Figure, Fig. 5 is the sectional view of the opening of hole flanging mold provided in an embodiment of the present invention.
As shown in Figures 2 to 5, embodiments provide a kind of hole flanging mold, including upper die component and lower mold assemblies.
Wherein, described upper die component includes cope match-plate pattern 1 and upper drive block 2, and lower mold assemblies include lower template 3, lower drive block 4, lower mould edge
Block 5, slide block 6, punch 7 and baffle plate 8.
Wherein, the upper end of upper drive block 2 is fixed on described cope match-plate pattern 1, and lower end is provided with the first inclined-plane, the inclining of the first inclined-plane
Rake angle is θ degree, and both sides all can arrange rounded corner, the radius r=2mm of this rounded corner, the rounded corner of both sides be respectively used to
Slide block 6 and the correcting of baffle plate 8 initial contact.
Lower drive block 4 is fixed in described lower template 3, and lower mould insert 5 includes lateral connection portion 51 and longitudinally connected portion 52,
Described lateral connection portion 51 is fixed in described lower template 3, passes through ladder between described longitudinally connected portion 52 and described lower drive block 4
Shape tooth cooperates.Slide block 6 is slidably matched with described lower mould insert 5, and described slide block 6 has the second inclined-plane, described second inclined-plane
Match with described first inclined-plane.Punch 7 is used for hole flanging, is fixed on described slide block 6.Baffle plate 8 is fixed on described lower template 3
On, it is fixedly connected with described slide block 6 by stop screw 9, and be provided with first between described baffle plate 8 and described lateral connection portion 51
Spring 10.
Hole flanging mold provided in an embodiment of the present invention is used for the rollover hole of stamping parts of automobile, when mould installion is on lathe,
When lathe is in top dead-centre, lower drive block 4 moves upwards, reaches top dead-centre, lower mould insert 5 in the presence of lower drive block 4 to
After move, the protuberance of the stepped tooth in drive block 4 and lower mould insert 5 contacts with each other instantly, the stop motion of lower mould insert 5, slide block 6
With punch 7 rearward movement, the stop motion when contacting with baffle plate 8, now process part processing 18 is placed on lower mould insert 5 and lower drive block
On 4.Cope match-plate pattern 1 moves downward, the first inclined-plane of upper drive block 2 and the second contact of incline plane of slide block 6, hereafter drives slide block 6 to transport
Dynamic, after punch 7 completes hole flanging with lower mould insert 5, lathe upper table surface moves upwards, and upper drive block 2 moves upwards, now punch
7 with slide block 6 rearward movement, make punch 7 depart from lower mould insert 5, this at present drive block 4 move downward, drive block 4 and lower mould instantly
When stepped tooth in insert 5 disengages, lower mould insert 5 is moved, and drive block 4 is wrong with the ladder plane in lower mould insert 5 instantly
During the contact of position, two part stop motions, distance of this mould insert 5 motion at present is l1, l1 ＞ l, now can will be suitable for process part processing 18
Profit is taken out, and so far completes the jig frequency in a rollover hole.
Hole flanging mold provided in an embodiment of the present invention passes through the upper drive block 2 of setting, lower drive block 4, the lower mould insert 5 of activity
With punch 7 etc., solve the problems, such as to cause mould development costly because of buying wedge, improve the intensity of lower mould insert simultaneously.
Preferably, described lower mold assemblies also include cylinder 11, for driving described lower drive block 4 raising and lowering.Should
Cylinder 11 may be mounted at the bottom of lower template 3, and its push rod is connected with the bottom of lower drive block 4, provides thrust to lower drive block 4
With pulling force.
Further, described lower mold assemblies also include second spring 12, are arranged on described stop screw 9 and described baffle plate 8
Between, thus providing restoring force to slide block 6.
On the basis of above-described embodiment, in hole flanging mold provided in an embodiment of the present invention, upper die component also includes binder
Plate 13 and the 3rd spring 14, described holding pad 13 is used for for process part processing 18 being pressed in lower mould insert 5, and this holding pad 13 passes through
Described 3rd spring 14 is fixed on described cope match-plate pattern 1, and the 3rd spring 14 provides pressure to holding pad 13.
Preferably, it is provided with guide pad 15 between the upper surface in described slide block 6 and described lateral connection portion 51.This guiding
Block 15 can be l type structure, have prominent flange platform, and this flange platform is contacted with the flange platform of slide block 6 bottom, make slide block 6 by
Certain direction motion.
Further, described lower mold assemblies also include die clamp 16, and described punch 7 is fixed on described cunning by described die clamp 16
On block 6.This die clamp 16 can be rectangular configuration, be fixed by a pin on slide block 6, and then punch 7 is fixed on slide block 6.
Described lower mold assemblies can also include cushion block 17, is arranged between described guide pad 15 and described lower mould insert 5.Should
Cushion block 17 can be inverted u shape structure, upper plane be used for the slip of slide block 6 and the installation of guide pad 15, the groove of bottom with
Mould insert 5 is slidably matched, for the guiding of lower mould insert 5.
In the present embodiment, lower mould insert 5 is l type structure, and the size at longitudinally connected portion 52 top is a1*b1, i.e. broad-ruler
Very little for a1, length dimension is b1.Wherein length b1 is equal with the length dimension b of process part processing 18, in coordinating with lower drive block 4
Side is machined with the ladder type groove of regular array, and depth is l1, equal with depth of groove l2 of lower drive block 4, connects with process part processing 18
Tactile side is machined with the circular hole for hole flanging, and the lateral connection portion 51 of lower mould insert 5 extend into the bottom of cushion block 17, and it is in pad
Block 17 internal slide, contacts side processing fluted, for the positioning of the first spring 10 with the first spring 10.
The upper dimension of lower drive block 4 is a2*b2, wherein a1+a2=a, b2=b1=b, is ensured at lower drive block 4 with this
Process part processing 18 can be accurately positioned with the cooperation of lower mould insert 5 when top dead-centre, the trapezoidal groove depth of top processing is l2, l2
=l1, and depth l of the hole flanging 19 more than product, the bottom of lower drive block 4 is machined with flange platform, is in the inside of lower template 3,
Its groove fit with lower template 3 on four sides, can move up and down, the lower plane of lower drive block 4 is connected with cylinder 11 in groove.
Hole flanging mold provided in an embodiment of the present invention can also include limiting plate 20, is arranged in lower template 3 by screw,
Spacing for lower drive block 4, prevent cylinder 11 from reducing ejection lower template 3.
Fig. 6 is the process part processing structural representation carrying out hole flanging using hole flanging mold provided in an embodiment of the present invention, and Fig. 7 is
Structural representation at hole flanging in Fig. 6.
Hole flanging mold provided in an embodiment of the present invention, for the rollover hole of automobile stamping plate, when mould installion is in lathe
On, when lathe is in top dead-centre, cylinder 11 promotes lower drive block 4 to move upwards, reaches top dead-centre, lower mould insert 5 is in lower driving
Rearward movement in the presence of block 4, when the protuberance of the stepped tooth on drive block 4 and lower mould insert 5 contacts with each other instantly, lower mould insert
5 stop motions, the first spring 10 is pressurized, slide block 6, punch 7 and die clamp 16 rearward movement in the presence of second spring 12, when with
Stop motion during baffle plate 8 contact, now process part processing 18 is placed in lower mould insert 5 and lower drive block 4.
Cope match-plate pattern 1 moves downward, and holding pad 13 is pressed in and is fixed on process part processing 18, the first inclined-plane of upper drive block 2 with
Second contact of incline plane of slide block 6, hereafter drives slide block 6 to move, after punch 7 completes hole flanging with lower mould insert 5, hole flanging 19 shape
Become.Lathe upper table surface moves upwards, and holding pad 13 pulls away process part processing 18, and lower drive block 4 moves upwards, now punch 7 and slide block 6
Rearward movement in the presence of second spring 12, makes punch 7 depart from lower mould insert 5, and now cylinder 11 pulls lower drive block 4 downward
Motion, when the plane of the stepped tooth on drive block 4 and lower mould insert 5 disengages instantly, lower mould insert 5 is in the first spring 10
Promote lower motion, when drive block 4 is contacted with the plane dislocation of the stepped tooth in lower mould insert 5 instantly, two part stop motions, this
At present mould insert 5 motion distance be l1, because of l1 ＞ l, so when process part processing 18 smoothly can be taken out, so far complete one rollover
The jig frequency in hole.
Construction, feature and the action effect of the present invention, above institute are described in detail above according to the embodiment shown in schema
State only presently preferred embodiments of the present invention, but the present invention is not to limit practical range, every structure according to the present invention shown in drawing
Want made change, or be revised as the Equivalent embodiments of equivalent variations, when still covered with diagram without departing from description spiritual,
All should be within the scope of the present invention.
Claims (10)
1. it is characterised in that including upper die component and lower mold assemblies, described upper die component includes a kind of hole flanging mold:
Cope match-plate pattern；
Upper drive block, the upper end of described upper drive block is fixed on described cope match-plate pattern, and the lower end of described upper drive block is provided with first
Inclined-plane；
Described lower mold assemblies include:
Lower template；
Lower drive block, is fixed in described lower template；
Lower mould insert, including lateral connection portion and longitudinally connected portion, described lateral connection portion is fixed in described lower template, described
Cooperated by stepped tooth between longitudinally connected portion and described lower drive block；
Slide block, is slidably matched with described lower mould insert, and described slide block has the second inclined-plane, and described second inclined-plane is oblique with described first
Match in face；
For the punch of hole flanging, described punch is fixed on described slide block；
Baffle plate, is fixed in described lower template, is fixedly connected with described slide block by stop screw, and described baffle plate and described horizontal stroke
It is provided with the first spring between connecting portion.
2. hole flanging mold according to claim 1 is it is characterised in that described lower mold assemblies also include cylinder, for driving
Described lower drive block raising and lowering.
3. hole flanging mold according to claim 2, it is characterised in that described lower mold assemblies also include second spring, is arranged
Between described stop screw and described baffle plate.
4. the hole flanging mold according to any one of claim 1-3 is it is characterised in that described upper die component also includes holding pad
With the 3rd spring, described holding pad is fixed on described cope match-plate pattern by described 3rd spring.
5. the hole flanging mold according to any one of claim 1-3 is it is characterised in that described slide block and described lateral connection portion
Upper surface between be provided with guide pad.
6. the hole flanging mold according to any one of claim 1-3 is it is characterised in that the both sides on described first inclined-plane are respectively provided with
There is rounded corner.
7. the hole flanging mold according to any one of claim 1-3 is it is characterised in that described lower mold assemblies also include die clamp,
Described punch is fixed on described slide block by described die clamp.
8. hole flanging mold according to claim 5, it is characterised in that described lower mold assemblies also include cushion block, is arranged on institute
State between guide pad and described lower mould insert.
9. it is characterised in that described cushion block is the shape of falling u bulk, upper plane is used for hole flanging mold according to claim 8
Fixing described guide pad, the groove of bottom is slidably matched with described lower mould insert.
10. the hole flanging mold according to any one of claim 1-3 is it is characterised in that the top in described longitudinally connected portion is long
The top length sum of degree and described lower drive block is equal to the length of process part processing to be rushed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611056075.7A CN106334756A (en) | 2016-11-25 | 2016-11-25 | The burring die set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611056075.7A CN106334756A (en) | 2016-11-25 | 2016-11-25 | The burring die set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106334756A true CN106334756A (en) | 2017-01-18 |
Family
ID=57841815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611056075.7A Pending CN106334756A (en) | 2016-11-25 | 2016-11-25 | The burring die set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106334756A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108971299A (en) * | 2018-08-21 | 2018-12-11 | 江铃汽车股份有限公司 | Hemmer |
| CN109047361A (en) * | 2018-08-22 | 2018-12-21 | 威海华邦精冲科技股份有限公司 | Lateral compression molding die, molding machine and method with non-straight-through indent tooth form |
| CN111589976A (en) * | 2020-05-27 | 2020-08-28 | 武汉轻工大学 | Forming device for disc type thin-wall nut |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57190727A (en) * | 1981-05-16 | 1982-11-24 | Nissan Motor Co Ltd | Flange press die |
| JPS58148029A (en) * | 1982-02-26 | 1983-09-03 | Nissan Motor Co Ltd | Cam die |
| CN102284620A (en) * | 2011-07-27 | 2011-12-21 | 东莞市大忠电子有限公司 | Bilateral hole turnup structure of double-hole shielding cover progressive die |
| CN203495002U (en) * | 2013-10-09 | 2014-03-26 | 苏州凯富精密模具有限公司 | Combined mechanism |
| CN105195620A (en) * | 2015-10-23 | 2015-12-30 | 无锡微研精密冲压件股份有限公司 | Side surface bonding double-side burring die |
-
2016
- 2016-11-25 CN CN201611056075.7A patent/CN106334756A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57190727A (en) * | 1981-05-16 | 1982-11-24 | Nissan Motor Co Ltd | Flange press die |
| JPS58148029A (en) * | 1982-02-26 | 1983-09-03 | Nissan Motor Co Ltd | Cam die |
| CN102284620A (en) * | 2011-07-27 | 2011-12-21 | 东莞市大忠电子有限公司 | Bilateral hole turnup structure of double-hole shielding cover progressive die |
| CN203495002U (en) * | 2013-10-09 | 2014-03-26 | 苏州凯富精密模具有限公司 | Combined mechanism |
| CN105195620A (en) * | 2015-10-23 | 2015-12-30 | 无锡微研精密冲压件股份有限公司 | Side surface bonding double-side burring die |
Non-Patent Citations (1)
| Title |
|---|
| 肖祥芷等: "《中国模具工程大典 第4卷 冲压模具设计》", 31 March 2007, 电子工业出版社 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108971299A (en) * | 2018-08-21 | 2018-12-11 | 江铃汽车股份有限公司 | Hemmer |
| CN109047361A (en) * | 2018-08-22 | 2018-12-21 | 威海华邦精冲科技股份有限公司 | Lateral compression molding die, molding machine and method with non-straight-through indent tooth form |
| CN109047361B (en) * | 2018-08-22 | 2024-04-05 | 威海华邦精冲科技股份有限公司 | Lateral extrusion forming die, forming device with non-straight-through concave tooth shape and method |
| CN111589976A (en) * | 2020-05-27 | 2020-08-28 | 武汉轻工大学 | Forming device for disc type thin-wall nut |
| CN111589976B (en) * | 2020-05-27 | 2021-11-02 | 武汉轻工大学 | Forming device for disc type thin-wall nut |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Applicant after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: Hefei City, Anhui Province, 230022 East Road No. 176 Applicant before: Anhui Jianghuai Automobile Group Limited by Share Ltd |
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| CB02 | Change of applicant information | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170118 |
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| RJ01 | Rejection of invention patent application after publication |