CN115635542A - Circuit board substrate punching equipment - Google Patents
Circuit board substrate punching equipment Download PDFInfo
- Publication number
- CN115635542A CN115635542A CN202211341399.0A CN202211341399A CN115635542A CN 115635542 A CN115635542 A CN 115635542A CN 202211341399 A CN202211341399 A CN 202211341399A CN 115635542 A CN115635542 A CN 115635542A
- Authority
- CN
- China
- Prior art keywords
- seat
- die
- groove
- cut
- rigid coupling
- 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
Links
Images
Landscapes
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention discloses a circuit board substrate punching device which comprises a substrate body, a seat plate, a punching seat, a feeding device, an electric push rod and a punching device, wherein a slot, a punching groove and a blanking groove are formed in the punching seat, the substrate body is positioned in the slot and driven by the feeding device, and the punching device is connected in the punching groove in a sliding manner and driven by the electric push rod.
Description
Technical Field
The invention relates to the technical field of circuit board substrate processing equipment, in particular to circuit board substrate punching equipment.
Background
In the production process of the circuit board, the punched substrate needs to be subjected to hole machining, chemical copper plating, electro-coppering, etching and the like to obtain a required circuit pattern, the substrate is a copper clad laminate, and in order to improve efficiency when the copper clad laminate is subjected to copper clad laminate, the substrate is generally in a strip shape, and the substrate used by the circuit board is generally in a small rectangular shape.
The punching equipment in the prior art is generally a single continuous punching mode, that is, before punching a circuit board, a strip-shaped substrate needs to be cut, a cut rough blank is slightly larger than the size of the circuit board, and then punching is performed on the rough blank.
The problem of prior art is that can not directly carry out die-cut operation to the base plate of rectangular shape, still need cut out the operation before carrying out die-cut, lead to the process of production more complicated, can lead to the decline of efficiency to a certain extent.
Disclosure of Invention
In order to solve the problems, the invention provides circuit board substrate punching equipment, which is realized by the following technical scheme.
A circuit board substrate punching device comprises a substrate body, a seat plate, a punching seat, a feeding device, an electric push rod and a punching device; the utility model discloses a die-cut seat, including bedplate, die-cut seat, feed device, supporting plate, slot, feed device, motor and motor, the lower surface bilateral symmetry rigid coupling of bedplate has discharge hopper and backup pad, and the bottom plate of discharge hopper sets up along the orientation downward sloping backward to the front, die-cut seat rigid coupling corresponds the setting at the upper surface of bedplate and with the discharge hopper, and the slot that runs through about the middle part of die-cut seat is seted up, and the die-cut groove that switches on with the slot is seted up to the upper surface of die-cut seat, and the blanking groove has been seted up to the die-cut seat of slot below and the integrative interior silo that has seted up of bedplate, feed device includes mounting panel, screw rod, motor and push pedal, the mounting panel rigid coupling is on the upper surface right side of bedplate, and the right-hand member butt joint of screw rod is passed through to the output shaft of motor, push pedal and guide rod sliding connection and screw rod meshing, the left side rigid coupling of push pedal has the layer board, the upper surface of layer board is parallel and level with the lower surface of slot, the upper surface rectangular array of die-cut seat has four spinal branch vaulting poles, the top an organic whole has the mounting panel, the mounting panel has a fixed part including fixed part and the lower surface fixed part of mounting panel, the die-cut device is fixed at the bottom of die-cut portion.
Further, the punching device comprises a pressing seat, a die cutting seat and a lifting plate; press a sliding connection in the punching-out groove, press the lower surface of seat to have seted up and accomodate the groove, cross cutting seat sliding connection is in accomodating the groove, and the upper surface four corners department rigid coupling of cross cutting seat has the slide bar, the lifter plate rigid coupling is at the top of slide bar, the upper surface and the pars contractilis fixed connection of lifter plate, and the cover is equipped with reset spring on the slide bar between lifter plate and the pressure seat.
Furthermore, an avoiding groove is formed in the lower surface of the die cutting seat, an ejection seat is connected in the avoiding groove in a sliding mode, a sliding groove is formed in the side wall of the avoiding groove, a sliding block is fixedly connected to the side wall of the ejection seat, the sliding block is connected in the sliding groove in a sliding mode, and an ejection spring is fixedly connected between the upper surface of the ejection seat and the top of the avoiding groove.
Furthermore, the thickness of the die cutting seat is smaller than the depth of the accommodating groove, when the upper surface of the die cutting seat is contacted with the top of the accommodating groove, the return spring is in a natural state, and the limiting block is contacted with the upper surface of the lifting plate at the moment; when the die cutting seat is contacted with the top of the accommodating groove and the sliding block is contacted with the bottom of the sliding groove, the lower surface of the ejection seat is flush with the lower surface of the pressing seat, and the ejection spring is in a natural state at the moment.
Further, still include external power source and control panel, the control panel rigid coupling is in the front side of die-cut seat, and the rigid coupling has first trigger switch on the control panel, second trigger switch, fast switch and the switch of reversing, external power source's a utmost point difference electric connection motor and electric putter, and another utmost point difference electric connection of external power source is the switch and the second trigger switch of reversing, second trigger switch and electric putter electric connection, second trigger switch and fast switch are parallelly connected between motor and the switch of reversing.
Further, the lifting groove has been seted up to the symmetry in the die-cut seat of die-cut groove left and right sides, the top surface rigid coupling in lifting groove has a set of telescopic link, and the bottom rigid coupling of each set of telescopic link has the installing frame, the cover is equipped with pressure spring on the telescopic link, and the rigid coupling has the pivot between the curb plate around the installing frame, vertically evenly rotate in the pivot and be connected with the pinch roller.
Furthermore, when the bottom of the pressing wheel is in contact with the bottom of the slot, the compression spring is in a natural state.
Furthermore, the pinch roller is made of rubber.
The feeding device can push the substrate body from right to left, so that the substrate gradually passes below the punching device, and the punching operation of the whole substrate is finished.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1: the invention relates to an axonometric view of circuit board substrate punching equipment;
FIG. 2: the invention relates to a cross section of circuit board substrate punching equipment;
FIG. 3: FIG. 2 is an enlarged view of a portion of section I;
FIG. 4: the invention discloses a structural schematic diagram of a punching device;
FIG. 5: the invention discloses an internal structure schematic diagram of a punching seat;
FIG. 6: the invention discloses an installation schematic diagram of a pinch roller;
FIG. 7: the circuit connection of each circuit element in the invention is schematic.
The reference numbers are as follows:
a-a base plate body, 1-a seat plate, 11-a discharge bin, 12-a support plate, 2-a punching seat, 21-a slot, 22-a punching groove, 23-a blanking groove, 31-a support plate, 32-a screw rod, 33-a motor, 34-a push plate, 35-a guide rod, 36-a coupler, 37-a support plate, 4-an electric push rod, 401-a fixing part, 402-a telescopic part, 41-a support rod, 42-a mounting plate, 5-a punching device, 51-a pressing seat, 52-a die cutting seat, 53-a lifting plate, 54-a receiving groove, 55-a sliding rod, 56-a return spring, 57-an avoiding groove, 58-an ejecting seat, 59-a sliding groove, 510-a sliding block, 511-an ejecting spring, 61-an external power supply, 62-a control panel, 63-a first trigger switch, 64-a second trigger switch, 65-a quick-return switch, 66-a reversing switch, 71-a lifting groove, 72-a telescopic rod, 73-a mounting frame, 74-a pressing spring, 75-a rotating shaft, and 76-a pressing wheel.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-7, a circuit board substrate punching device comprises a substrate body a, a seat plate 1, a punching seat 2, a feeding device, an electric push rod 4 and a punching device 5; the lower surface bilateral symmetry rigid coupling of bedplate 1 has dump bin 11 and backup pad 12, the bottom plate of dump bin 11 is along the downward sloping setting of direction backward forward, die-cut seat 2 rigid coupling is at the upper surface of bedplate 1 and corresponds the setting with dump bin 11, the middle part of die-cut seat 2 is seted up the slot 21 that runs through about offering, the upper surface of die-cut seat 2 is seted up the die-cut groove 22 that switches on with slot 21, blanking groove 23 has been seted up in die-cut seat 2 below slot 21 and bedplate 1 to an organic whole, feeder includes mounting panel 31, screw rod 32, motor 33 and push pedal 34, mounting panel 31 rigid coupling is on the upper surface right side of bedplate 1, screw rod 32 rotates to be connected between die-cut seat 2 and mounting panel 31, the front side and the rear side of screw rod 32 are symmetrically and fixedly connected with guide rod 25, motor 33 is fixedly connected to seat plate 1 on the right side of support plate 31, the output shaft of motor 33 is butted with the right end of screw rod 32 through coupler 36, push plate 34 is slidably connected with guide rod 25 and meshed with screw rod 32, the left side of push plate 34 is fixedly connected with support plate 37, the upper surface of support plate 37 is flush with the lower surface of slot 21, the rectangular array of the upper surface of punching seat 2 is provided with four support rods 41, the top of support rods 41 is integrally and fixedly connected with mounting plate 42, electric push rod 4 comprises fixing part 401 and expansion part 402, fixing part 401 is fixedly connected with the lower surface of mounting plate 42, and punching device 5 is fixed at the bottom of expansion part 402.
The working principle is as follows: the motor 33 can drive the screw rod 32 to rotate when working, because the push plate 34 is meshed with the screw rod 32 and limited by the guide rod 25, the screw rod 32 can drive the push plate 34 to move left and right when rotating, when the motor 33 rotates forwards, the push plate 34 moves left, and when the motor 33 rotates backwards, the push plate 34 moves right, the steering of the motor 33 is adjusted, and the moving direction of the push plate 34 can be adjusted.
When the initial state is set, the push plate 34 is positioned on the right side, the right end of the substrate body a is placed on the supporting plate 37, and the left end of the substrate body a is inserted into the slot 21.
The electric push rod 4 during operation can drive die-cut device 5 and go up and down, when die-cut device 5 descends, can carry out die-cut operation to base plate body A, and the component after the die-cut falls through charging conduit 23, then gets into discharging material silo 11 and slides down.
When the initial state is set, the electric push rod 4 is in a shortened state, the electric push rod 4 performs a reciprocating extending and shortening stroke when working, the motor 33 rotates forwards once when the electric push rod 4 works once, so that the substrate body A is pushed leftwards, a feeding process is performed, the electric push rod 4 and the motor 33 work alternately, and continuous punching processing can be realized.
As a further embodiment of the present invention, the punching device 5 includes a pressing base 51, a die cutting base 52, and a lifting plate 53; the pressing base 51 is connected in the punching groove 22 in a sliding manner, the lower surface of the pressing base 51 is provided with a containing groove 54, the die cutting base 52 is connected in the containing groove 54 in a sliding manner, four corners of the upper surface of the die cutting base 52 are fixedly connected with sliding rods 55, the lifting plate 53 is fixedly connected to the top of the sliding rods 55, the upper surface of the lifting plate 53 is fixedly connected with the telescopic part 402, and the sliding rods 55 between the lifting plate 53 and the pressing base 51 are sleeved with reset springs 56.
Preferably, the lower surface of the die cutting seat 52 is provided with an avoiding groove 57, the avoiding groove 57 is slidably connected with an ejection seat 58, the side wall of the avoiding groove 57 is provided with a sliding groove 59, the side wall of the ejection seat 58 is fixedly connected with a sliding block 510, the sliding block 510 is slidably connected in the sliding groove 59, and an ejection spring 511 is fixedly connected between the upper surface of the ejection seat 58 and the top of the avoiding groove 57.
Preferably, the thickness of the die cutting seat 52 is smaller than the depth of the receiving groove 54, when the upper surface of the die cutting seat 52 contacts with the top of the receiving groove 54, the return spring 56 is in a natural state, and at this time, the limiting block contacts with the upper surface of the lifting plate 53; when the die-cutting seat 52 contacts the top of the receiving slot 54 and the slider 510 contacts the bottom of the sliding slot 59, the lower surface of the ejecting seat 58 is flush with the lower surface of the pressing seat 51, and the ejecting spring 511 is in a natural state.
In the present embodiment:
when the electric push rod 4 extends to drive the punching device 5 to complete the punching operation, the punching device 5 is in an initial state as shown in fig. 4, when the lower surfaces of the pressing base 51 and the ejecting base 58 contact the upper surface of the substrate body a, the telescopic portion 402 continues to extend, the positions of the pressing base 51 and the ejecting base 58 are kept unchanged, at this time, the lifting plate 53, the sliding rod 55 and the die cutting base 52 synchronously descend, and the ejecting base 58 enters the avoiding groove 57.
The die cutting work is finished through the die cutting seat 52, and when the die cutting is finished, the spring of the ejection seat 58 is ejected under the action of the ejection spring 511, so that the punched component is ejected, and the unsmooth blanking caused by the fact that the punched component is adhered to the die cutting seat 52 is avoided.
As a further embodiment of the present invention, the present invention further includes an external power source 61 and a control panel 62, the control panel 62 is fixedly connected to the front side of the punching seat 2, the control panel 62 is fixedly connected with a first trigger switch 63, a second trigger switch 64, a fast reverse switch 65 and a reverse switch 66, one pole of the external power source 61 is electrically connected to the motor 33 and the electric push rod 4 respectively, the other pole of the external power source 61 is electrically connected to the reverse switch 66 and the second trigger switch 64 respectively, the second trigger switch 64 is electrically connected to the electric push rod 4, and the second trigger switch 64 and the fast reverse switch 65 are connected between the motor 33 and the reverse switch 66 in parallel.
In the present embodiment:
for the control during equipment processing is more convenient, as shown in fig. 7, when feeding, the reversing switch 66 is placed in the reversing position, the quick-reversing switch 65 is closed, the motor 33 reverses at the moment, and the push plate 34 moves to the right side rapidly.
When the first trigger switch 63 is triggered once, the motor 33 drives the push plate 34 to move for the length of the feeding, and when the second trigger switch 64 is triggered once, the electric push rod 4 performs reciprocating extension and shortening strokes.
In the processing process, the reversing switch 66 is arranged in the forward position, the electric push rod 4 works once through the second trigger switch 64 to complete one punching operation, the motor 33 works once through the first trigger switch 63 to complete feeding, and therefore the circular punching operation can be completed through operating the first trigger switch 63 and the second trigger switch 64.
As a further embodiment of the present invention, lifting slots 71 are symmetrically formed in the punching bases 2 on the left and right sides of the punching slot 22, a set of telescopic rods 72 is fixedly connected to the top surface of the lifting slot 71, a mounting frame 73 is fixedly connected to the bottom of each set of telescopic rods 72, a compression spring 74 is sleeved on each telescopic rod 72, a rotating shaft 75 is fixedly connected between the front and rear side plates of the mounting frame 73, and a pressing wheel 76 is longitudinally and uniformly rotatably connected to the rotating shaft 75.
Preferably, the compression spring 74 is in a natural state when the bottom of the puck 76 is in contact with the bottom of the socket 21.
Preferably, the pinch roller 76 is made of rubber.
In this embodiment:
in order to adapt to different thicknesses of the substrate body A, the height of the slot 21 is larger than that of the substrate body A, when the substrate body A is inserted into the slot 21, under the action of the pressing spring 74, the pressing wheel 76 presses the substrate body A tightly, and meanwhile, the smooth feeding of the substrate body A cannot be influenced by the rotation of the pressing wheel 76.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (8)
1. The utility model provides a die-cut equipment of circuit board base plate, includes the base plate body, its characterized in that: the punching machine also comprises a seat plate, a punching seat, a feeding device, an electric push rod and a punching device; the utility model discloses a die-cut seat, including bedplate, die-cut seat, feed device, supporting plate, slot, feed device, motor and motor, the lower surface bilateral symmetry rigid coupling of bedplate has discharge hopper and backup pad, and the bottom plate of discharge hopper sets up along the orientation downward sloping backward to the front, die-cut seat rigid coupling corresponds the setting at the upper surface of bedplate and with the discharge hopper, and the slot that runs through about the middle part of die-cut seat is seted up, and the die-cut groove that switches on with the slot is seted up to the upper surface of die-cut seat, and the blanking groove has been seted up to the die-cut seat of slot below and the integrative interior silo that has seted up of bedplate, feed device includes mounting panel, screw rod, motor and push pedal, the mounting panel rigid coupling is on the upper surface right side of bedplate, and the right-hand member butt joint of screw rod is passed through to the output shaft of motor, push pedal and guide rod sliding connection and screw rod meshing, the left side rigid coupling of push pedal has the layer board, the upper surface of layer board is parallel and level with the lower surface of slot, the upper surface rectangular array of die-cut seat has four spinal branch vaulting poles, the top an organic whole has the mounting panel, the mounting panel has a fixed part including fixed part and the lower surface fixed part of mounting panel, the die-cut device is fixed at the bottom of die-cut portion.
2. A circuit board substrate blanking apparatus according to claim 1, wherein: the punching device comprises a pressing seat, a die cutting seat and a lifting plate; press a sliding connection in the punching-out groove, press the lower surface of seat to have seted up and accomodate the groove, cross cutting seat sliding connection is in accomodating the groove, and the upper surface four corners department rigid coupling of cross cutting seat has the slide bar, the lifter plate rigid coupling is at the top of slide bar, the upper surface and the pars contractilis fixed connection of lifter plate, and the cover is equipped with reset spring on the slide bar between lifter plate and the pressure seat.
3. A circuit board substrate blanking apparatus according to claim 2, wherein: the die cutting device is characterized in that an avoiding groove is formed in the lower surface of the die cutting seat, an ejection seat is connected in the avoiding groove in a sliding mode, a sliding groove is formed in the side wall of the avoiding groove, a sliding block is fixedly connected to the side wall of the ejection seat, the sliding block is connected in the sliding groove in a sliding mode, and an ejection spring is fixedly connected between the upper surface of the ejection seat and the top of the avoiding groove.
4. A circuit board substrate blanking apparatus according to claim 3, wherein: the thickness of the die cutting seat is smaller than the depth of the accommodating groove, when the upper surface of the die cutting seat is contacted with the top of the accommodating groove, the return spring is in a natural state, and the limiting block is contacted with the upper surface of the lifting plate; when the die cutting seat is contacted with the top of the accommodating groove and the sliding block is contacted with the bottom of the sliding groove, the lower surface of the ejection seat is flush with the lower surface of the pressing seat, and the ejection spring is in a natural state at the moment.
5. A circuit board substrate blanking apparatus according to claim 1, wherein: still include external power source and control panel, the control panel rigid coupling is in the front side of die-cut seat, and the last rigid coupling of control panel has first trigger switch, second trigger switch, fast switch and the switch of falling in the same direction as, external power source's a utmost point difference electric connection motor and electric putter, and external power source's another utmost point difference electric connection is fallen in the same direction as switch and second trigger switch, second trigger switch and electric putter electric connection, second trigger switch and fast switch are parallelly connected between motor and the switch of falling in the same direction as.
6. A circuit board substrate blanking apparatus according to claim 1, wherein: the utility model discloses a die-cut groove, including die-cut groove, lifting groove, top surface rigid coupling in lifting groove has a set of telescopic link, and the bottom rigid coupling of each set of telescopic link has the installing frame, the cover is equipped with pressure spring on the telescopic link, and the rigid coupling has the pivot between the curb plate around the installing frame, vertical even rotation is connected with the pinch roller in the pivot.
7. The apparatus for blanking a circuit board substrate according to claim 6, wherein: when the bottom of the pressing wheel is in contact with the bottom of the slot, the pressing spring is in a natural state.
8. The apparatus for blanking a circuit board substrate according to claim 6, wherein: the pinch roller is made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211341399.0A CN115635542A (en) | 2022-10-31 | 2022-10-31 | Circuit board substrate punching equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211341399.0A CN115635542A (en) | 2022-10-31 | 2022-10-31 | Circuit board substrate punching equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115635542A true CN115635542A (en) | 2023-01-24 |
Family
ID=84947354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211341399.0A Pending CN115635542A (en) | 2022-10-31 | 2022-10-31 | Circuit board substrate punching equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115635542A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116653051A (en) * | 2023-06-08 | 2023-08-29 | 苏州贝克诺斯电子科技股份有限公司 | Dysmorphism conductive cloth processing equipment |
-
2022
- 2022-10-31 CN CN202211341399.0A patent/CN115635542A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116653051A (en) * | 2023-06-08 | 2023-08-29 | 苏州贝克诺斯电子科技股份有限公司 | Dysmorphism conductive cloth processing equipment |
| CN116653051B (en) * | 2023-06-08 | 2023-12-08 | 苏州贝克诺斯电子科技股份有限公司 | Dysmorphism conductive cloth processing equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN115635542A (en) | Circuit board substrate punching equipment | |
| CN111842681B (en) | Steel plate pressing ring feeding device | |
| CN113714807B (en) | Automatic cutting and welding equipment for direct-insertion crystal oscillator | |
| CN112399721B (en) | Automatic punching equipment for mounting hole of PCB | |
| CN115958116A (en) | Punching device for positive battery cover of soft-packaged graphene lithium battery cell | |
| CN111996302A (en) | Leather safety type cutting device for leather shoe manufacturing | |
| CN113199644A (en) | Ceramic floor tile perforating device is used to fitment | |
| CN114536024B (en) | Shearing equipment for production and processing of switch cabinet | |
| CN113541411A (en) | Paint stripping equipment for iron core lead and paint stripping method thereof | |
| CN113478236B (en) | Copper automatic cutout equipment of buckling | |
| CN213646954U (en) | Chamfering equipment for inverted-U-shaped steel sheet | |
| CN213766899U (en) | PVC product automatic punching collection device | |
| CN114769777A (en) | Positioning welding device for electronic component | |
| CN112620445A (en) | Automatic stamping, bending and stacking device | |
| CN221158220U (en) | Aluminum profile extrusion die | |
| CN217995999U (en) | Bimetallic strip feeding device | |
| CN215164021U (en) | Cutting device for cloth | |
| CN216016659U (en) | A shell lacquer mechanism for iron core lead wire | |
| CN218656903U (en) | Automatic propelling movement perforating device of umbrella frame | |
| CN218945397U (en) | Control cabinet sheet metal machining jig | |
| CN214352615U (en) | Cutting device for connector production | |
| CN220994640U (en) | Cutting machine adjusting component | |
| CN114536025B (en) | Milling device and method for machining electromechanical element | |
| CN212019190U (en) | Material ejection mechanism for stamping and grinding tool | |
| CN216883640U (en) | Shaft penetrating assembly jig |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |