CN210966781U - Double-pin electronic component feeding device - Google Patents
Double-pin electronic component feeding device Download PDFInfo
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- CN210966781U CN210966781U CN201921334452.8U CN201921334452U CN210966781U CN 210966781 U CN210966781 U CN 210966781U CN 201921334452 U CN201921334452 U CN 201921334452U CN 210966781 U CN210966781 U CN 210966781U
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Abstract
The utility model discloses a two pin electronic components material feeding unit, including material area propelling movement subassembly, die-cut subassembly, the subassembly and the needle subassembly are transferred to the row needle, material area propelling movement subassembly includes the material area guide pulley, material area guide slot and propelling movement pawl, the propelling movement cylinder is through a propelling movement swing arm drive propelling movement pawl, with the pin material area propelling movement of material area guide pulley between the die-cut last mould and the die-cut lower mould of die-cut subassembly, it transfers the subassembly to correspond die-cut subassembly at the device bottom plate and is provided with row needle, row needle transfers the subassembly and includes a set of row needle and transfer the slider, it transfers the seat to be provided with left row needle and right row needle on row needle transfers the slider, the needle subassembly includes left needle subassembly and right needle subassembly that presss from both sides, a left side presss from both sides the needle subassembly and the pin centre gripping when the needle subassembly. This device can realize carrying out double pin autoloading at pin automatic weld equipment, has promoted work efficiency.
Description
Technical Field
The utility model relates to an electronic components technical field, in particular to two pin electronic components material feeding unit.
Background
With the development of scientific technology and the improvement of electronic technology level, and the further improvement of miniaturization, performance and reliability of electronic product volume, electronic components are developed from large, heavy and thick to small, light and thin, and chip components and surface assembly technology appear. The chip component (SMC and SMD) is a novel tiny component without lead or short circuit lead, also called chip component, which is a micro component widely used by modern electronic products, is suitable for being installed on a printed board without through holes, and is a special component for SMT. SMT is an abbreviation for surface mount technology, and chip components can be mounted directly on a printing plate with all solder points on one plane, as compared to common components.
The chip component is not only mounted on the circuit board in different ways, but also manufactured in a process completely different from that of a common component, for example, the chip resistor is generally composed of the following materials: a substrate (ceramic substrate), a resistance paste (R paste), a back conductive material, a front conductive material, a side conductive material (Ag paste), primary protective glass G1, secondary protective glass G2 and a Mark marking material; forming a chip resistor chip by the materials; in general, chip components are directly mounted on a printed board in a chip mounting manner, and cannot be mounted on a perforated printed board; or some high-power chip components are directly installed on the printing plate, which is not beneficial to realizing mutual isolation between components and between the components and a circuit, and mutual interference is easy to generate, therefore, chip characteristics of some chip components need to be developed, but the vertically installed chip components with pins can be realized, specifically, the resistor pins are shaped firstly, the resistor pins and the resistor chips manufactured by the chip components are combined, the resistor chips are clamped into the open ends of the shaped resistor pins to form a combined body, the outward horizontal extending parts on the two sides of the resistor pins are attached to the upper surface and the lower surface of the resistor chip, and the resistor pins and the resistor chips are welded, so that the resistor pins are welded on the upper surface and the lower surface of the resistor chip to form a combined body; and then carrying out procedures of insulating packaging, insulating layer curing, plastic shell molding, electrical property testing, marking, pin cutting and the like to obtain a qualified surface mount resistor product.
The existing automatic pin welding equipment for the chip component can only convey and weld a single pin at one time, and the pin pitch of the pin cannot be adjusted randomly; punching positioning holes of subsequent processes on the paper tape and cutting or coiling according to the requirements of the subsequent processes; the process is comparatively loaded down with trivial details, work efficiency is low.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a two pin electronic components material feeding unit can realize carrying out two pin autoloading on pin automatic weld equipment, has promoted work efficiency.
In order to solve the above technical problem, specifically, the technical scheme of the utility model is as follows:
a double-pin electronic component feeding device comprises a material belt pushing assembly, a punching assembly, a pin arranging transfer assembly and a pin clamping assembly, wherein the material belt pushing assembly comprises a material belt guide wheel, a material belt guide groove and a pushing pawl, the material belt guide wheel and the material belt guide groove are arranged on an installation vertical plate, the installation vertical plate is fixed on a device bottom plate, the pushing pawl corresponds to a pin material belt in the material belt guide groove, a pushing cylinder is further arranged on the installation vertical plate, the pushing cylinder drives the pushing pawl through a pushing swing arm to push a pin material belt passing through the material belt guide wheel and the material belt guide groove to a position between a punching upper die and a punching lower die of the punching assembly, the device bottom plate is provided with the pin arranging transfer assembly corresponding to the punching assembly, the pin arranging transfer assembly comprises a group of pin arranging transfer sliding blocks, and the pin arranging transfer sliding blocks are provided with a left pin arranging transfer seat and a right pin arranging transfer seat, the needle clamping assembly comprises a left needle clamping assembly and a right needle clamping assembly, the left needle clamping assembly and the right needle clamping assembly are respectively arranged on the left needle row transfer seat and the right needle row transfer seat, and the left needle clamping assembly and the right needle clamping assembly simultaneously clamp and transfer a group of punched pins to a next station.
Furthermore, the material belt pushing assembly further comprises a stopping pawl, the stopping pawl is rotationally fixed on the mounting vertical plate, the stopping pawl corresponds to the pin material belt in the material belt guide groove, and the stopping pawl is located at the rear end of the pushing pawl along the pin material belt moving direction.
Optionally, a material belt positioning hole is formed in the pin material belt and corresponds to the pushing pawl, the stopping pawl pushing positioning and the stopping positioning.
Further, die-cut subassembly is including setting up the die-cut cylinder on installation riser upper portion, the die-cut cylinder vertically reciprocates through a die-cut slider, the die-cut slider is through the drive of a die-cut last mould connecting block die-cut last mould with die-cut material piece of pressing, die-cut last mould with the corresponding cooperation of die-cut lower mould.
Furthermore, a punching ejection block is arranged below the punching upper die and the punching lower die, the punching ejection block is installed on the installation vertical plate through a punching ejection sliding block, and a waste hopper is arranged below the punching ejection block.
Further, the assembly is transferred to row needle still includes row needle cylinder, gauge needle regulation pole, the row needle cylinder passes through a row needle cylinder pole drive a left side row needle transfer seat with the seat is transferred to the right side row needle move on the row needle transfer slider, the gauge needle regulation pole sets up a left side row needle transfer seat with on the seat is transferred to the right side row needle, be used for adjusting a left side row needle transfer seat with the relative interval that the seat was transferred to the right side row needle.
Furthermore, a pin header limiting block is arranged at one end of the pin header transferring sliding block through a pin header limiting rod; and a first needle clamping positioning rod and a second needle clamping positioning rod are respectively arranged on two sides of the left needle arrangement transferring seat and the right needle arrangement transferring seat.
Further, a left side presss from both sides the needle subassembly and is in including setting up the left side that seat was transferred to left side bank of needles presss from both sides the needle and transfers slider, left side press from both sides the needle and transfer cylinder and left side to press from both sides the needle and transfer the board and move on the slider is transferred to left side clamp needle, left side presss from both sides and installs left needle file on the needle board is transferred to left side clamp needle, be provided with left side double-layered needle clamp switching piece on the needle file of left side clamp, left side presss from both sides needle clamp switching piece and presss from both sides the drive of switching cylinder through a left side double-layered needle, left side press from both sides needle clamp switching piece through a left side double-layered needle clamp connecting block with left side presss from both sides the needle and presss from both sides.
Further, the right side needle clamping assembly is including setting up the right side needle that the seat was transferred to the right side row needle is pressed from both sides the needle and is transferred slider, right side needle clamping and transfer cylinder and right side needle clamp, the right side needle that presss from both sides is transferred cylinder drive right side needle and is transferred the board and move on the slider is pressed from both sides to the right side needle, the right side needle that presss from both sides is installed the right needle file on the needle transfer board, be provided with the right side on the needle file and presss from both sides needle clamp switching piece, the right side presss from both sides needle clamp switching piece and presss from both sides the actuating cylinder drive through a right side, the right side presss from both sides needle clamp switching piece through a right side needle clamp connecting block with the right side presss from both sides the needle and presss from.
The utility model has the advantages that:
the utility model discloses a two pin electronic components material feeding unit through setting up left clamping pin subassembly and right clamping pin subassembly, can realize electronic components two pin autoloading location, according to electronic components's different feet apart from the requirement, only need simple adjustment just can satisfy the requirement, and stability is good, simple structure, and the debugging is convenient, and is efficient, and is with low costs.
Drawings
Fig. 1 is a front view structural diagram of a dual-pin electronic component feeding device provided by the utility model;
fig. 2 is a left view structural diagram of the feeding device for the dual-pin electronic component provided by the utility model;
fig. 3 is a right view structural diagram of the feeding device for the dual-pin electronic components provided by the utility model;
fig. 4 is a top view structural diagram of the feeding device for dual-pin electronic components provided by the present invention;
in the figure, 10-a material belt pushing assembly, 101-a device bottom plate, 102-a mounting vertical plate, 103-a material belt guide wheel 104-a material belt guide groove, 105-a pushing cylinder, 106-a pushing swing arm, 107-a pushing pawl, 108-a backstop pawl, 109-a detection inductive switch, 110-a pin material belt and 111-a material belt positioning hole;
20-punching component, 201-punching cylinder, 202-punching slide block, 203-punching upper die connecting block, 204-punching material pressing block, 205-punching upper die, 206-punching lower die, 207-punching ejection slide block, 208-punching ejection block, 209-waste hopper;
30-pin header transfer assembly, 301-pin header transfer slide block, 302-left pin header transfer seat, 303-right pin header transfer seat, 304-first pin clamping positioning rod, 305-pin header limiting block, 306-pin header limiting rod, 307-second pin clamping positioning rod, 308-pin pitch adjusting rod, 309-pin header cylinder rod and 310-pin header cylinder;
40-left needle clamping assembly, 401-left needle clamping transfer sliding block, 402-left needle clamping transfer cylinder, 403-left needle clamping transfer plate, 404-left needle clamping base, 405-left needle clamping opening and closing cylinder, 406-left needle clamping opening and closing block, 407-left needle clamping connecting block and 408-left needle clamping;
50-right needle clamping assembly, 501-right needle clamping transfer sliding block, 502-right needle clamping transfer air cylinder, 503-right needle clamping transfer plate, 504-right needle clamping base, 505-right needle clamping clamp opening and closing air cylinder, 506-right needle clamping clamp opening and closing block, 507-right needle clamping clamp connecting block and 508-right needle clamping clamp.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Example 1
As shown in fig. 1-4, the utility model provides a two-pin electronic component feeding device, which comprises a material belt pushing assembly 10, a punching assembly 20, a pin arrangement transferring assembly 30 and a pin clamping assembly, wherein the material belt pushing assembly 10 comprises a material belt guide wheel 103, a material belt guide groove 104 and a pushing pawl 107, the material belt guide wheel 103 and the material belt guide groove 104 are arranged on an installation vertical plate 102, the installation vertical plate 102 is fixed on a device bottom plate 101, the pushing pawl 107 is arranged corresponding to a material belt positioning hole 111 on a pin material belt 110 in the material belt guide groove 104, the installation vertical plate 102 is further provided with a pushing cylinder 105, the pushing cylinder 105 drives the pushing pawl 107 through a pushing swing arm 106 to push the pin material belt 110 passing through the material belt guide wheel 103 to a position between a punching upper die 205 and a punching lower die 206 of the punching assembly 20, the device bottom plate 101 is provided with the pin arrangement transferring assembly 30 corresponding to the punching assembly 20, the pin arranging and transferring assembly 30 comprises a group of pin arranging and transferring sliders 301, a left pin arranging and transferring seat 302 and a right pin arranging and transferring seat 303 are arranged on the pin arranging and transferring sliders 301, the pin clamping assembly comprises a left pin clamping assembly 40 and a right pin clamping assembly 50, the left pin clamping assembly 40 and the right pin clamping assembly 50 are respectively arranged on the left pin arranging and transferring seat 302 and the right pin arranging and transferring seat 303, and the left pin clamping assembly 40 and the right pin clamping assembly 50 simultaneously clamp and transfer a group of punched pins to a next station.
The material tape pushing assembly 10 further includes a stopping pawl 108, the stopping pawl 108 is rotatably fixed on the mounting vertical plate 102, and the stopping pawl 108 corresponds to the material tape positioning hole 111 of the pin material tape 110 in the material tape guide slot 104 and is located at the rear end of the pushing pawl 107 along the moving direction of the pin material tape 110. A detection inductive switch 109 is also arranged on one side of the backstop pawl, and the detection inductive switch 109 is used for detecting whether a pin material belt 110 exists.
The material belt positioning hole 111 is formed in the pin material belt 110 and used for pushing and stopping positioning of the material belt.
Specifically, the punching assembly 20 includes a punching cylinder 201 disposed on the upper portion of the mounting upright 102, the punching cylinder 201 vertically moves up and down through a punching slider 202, the punching slider 202 drives the punching upper die 205 and the punching press block 204 through a punching upper die connecting block 203, and the punching upper die 205 is correspondingly matched with the punching lower die 206.
A punching ejector block 208 is further arranged below the punching upper die 205 and the punching lower die 206, the punching ejector block 208 is mounted on the mounting vertical plate 102 through a punching ejector slide block 207, and a waste hopper 209 is further arranged below the punching ejector block 208.
Specifically, the pin header transfer assembly 30 further includes a pin header cylinder 310 and a pin pitch adjustment rod 308, the pin header cylinder 310 drives the left pin header transfer base 302 and the right pin header transfer base 303 to move on the pin header transfer slider 301 through a pin header cylinder rod 309, and the pin pitch adjustment rod 308 is disposed on the left pin header transfer base 302 and the right pin header transfer base 303 and is configured to adjust a relative distance between the left pin header transfer base 302 and the right pin header transfer base 303.
A pin header limiting block 305 is arranged at one end of the pin header transferring slide block 301 through a pin header limiting rod 306; a first needle clamping positioning rod 304 and a second needle clamping positioning rod 307 are respectively arranged on two sides of the left needle row transfer base 302 and the right needle row transfer base 303.
Specifically, the left needle clamping assembly 40 includes a left needle clamping transfer slider 401, a left needle clamping transfer cylinder 402, and a left needle clamping 408, which are disposed on the left needle bank transfer base 301, the left needle clamping transfer cylinder 402 drives a left needle clamping transfer plate 403 to move on the left needle clamping transfer slider 401, the left needle clamping transfer plate 403 is provided with a left needle clamping base 404, the left needle clamping base 404 is provided with a left needle clamping opening and closing block 406, the left needle clamping opening and closing block 406 is driven by a left needle clamping opening and closing cylinder 405, the left needle clamping opening and closing block 406 is connected with the left needle clamping 408 through a left needle clamping connecting block 407, and the left needle clamping 408 is used for clamping punched pins.
Specifically, the right clip assembly 50 includes a right clip transfer slider 501, a right clip transfer cylinder 502, and a right clip 508, which are disposed on the right bank needle transfer base 303, the right clip transfer cylinder 502 drives a right clip transfer plate 503 to move on the right clip transfer slider 501, the right clip transfer plate 503 is provided with a right clip base 504, the right clip base 504 is provided with a right clip opening and closing block 506, the right clip opening and closing block 506 is driven by a right clip opening and closing cylinder 505, the right clip opening and closing block 506 is connected with the right clip 508 through a right clip connecting block 507, and the right clip 508 is used for clipping punched pins.
When the pin arranging and conveying assembly is used, the pin arranging and conveying assembly 30, the left needle clamping assembly 40 and the right needle clamping assembly 50 are reset, the left needle clamping clamp 408 and the right needle clamping clamp 508 return to a punching station, the pin material belt 110 intermittently pushes the pin material belt 110 to the punching station under the action of the pushing cylinder 105 through the material belt guide wheel 103, the material belt guide groove 104 and the pushing pawl 107, whether the movement signal and the pushing positioning of the pin material belt 110 are accurate or not is detected by the sensing switch 109, and the pin material belt 110 is prevented from returning by the stopping pawl 108; the pin material belt 110 enters between the punching upper die 205 and the punching lower die 206, at this time, the pin arranging cylinder 310 drives the left needle clamping assembly 40 and the right needle clamping assembly 50 on the left needle arranging transfer seat 302 and the right needle arranging transfer seat 303 to move to a punching station, the left needle clamping transfer cylinder 402 of the left needle clamping assembly 40 drives the left needle clamping seat 404 to move to the punching station, the left needle clamping clamp opening and closing cylinder 405 drives the left needle clamping clamp 408 to open, the pins are clamped and then closed, the left needle clamping transfer cylinder 402 resets, meanwhile, the right needle clamping transfer cylinder 502 of the right needle clamping assembly 50 drives the right needle clamping seat 504 to move to the punching station, the right needle clamping clamp opening and closing cylinder 505 drives the right needle clamping clamp 508 to open, the pins are clamped and then closed, and the right needle clamping transfer cylinder 502 resets; the punching cylinder 201 drives the punching slider 202 to drive the punching upper die 205 and the punching lower die 206 to open and close, pins of the pin material belt 110 are punched, the pins are ejected out by the punching ejection block 208, the pin transfer cylinder drives the pins clamped by the pin clamping assembly on the pin transfer slider to move out of a punching station, the pin arranging cylinder 310 drives the pin arranging cylinder to transversely move for distance arrangement, the pins are transferred to the next station, and the steps are sequentially circulated.
The utility model discloses a two pin electronic components material feeding unit through setting up left clamping pin subassembly and right clamping pin subassembly, can realize electronic components two pin autoloading location, according to electronic components's different feet apart from the requirement, only need simple adjustment just can satisfy the requirement, and stability is good, simple structure, and the debugging is convenient, and is efficient, and is with low costs.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.
Claims (8)
1. A double-pin electronic component feeding device is characterized by comprising a material belt pushing assembly, a punching assembly, a pin arranging and transferring assembly and a pin clamping assembly, wherein the material belt pushing assembly comprises a material belt guide wheel, a material belt guide groove and a pushing pawl, the material belt guide wheel and the material belt guide groove are arranged on an installation vertical plate, the installation vertical plate is fixed on a device bottom plate, the pushing pawl corresponds to a pin material belt in the material belt guide groove, a pushing cylinder is further arranged on the installation vertical plate, the pushing cylinder drives the pushing pawl through a pushing swing arm to push the pin material belt passing through the material belt guide wheel and the material belt guide groove to a position between a punching upper die and a punching lower die of the punching assembly, the device bottom plate is provided with a pin arranging and transferring assembly corresponding to the punching assembly, and the pin arranging and transferring assembly comprises a group of pin arranging slide blocks, the row needle transfer sliding block is provided with a left row needle transfer seat and a right row needle transfer seat, the needle clamping assembly comprises a left needle clamping assembly and a right needle clamping assembly, the left needle clamping assembly and the right needle clamping assembly are respectively arranged on the left row needle transfer seat and the right row needle transfer seat, and the left needle clamping assembly and the right needle clamping assembly simultaneously clamp and transfer a group of punched pins to a next station.
2. The feeding device for the two-pin electronic components as claimed in claim 1, wherein the material tape pushing assembly further comprises a stopping pawl, the stopping pawl is rotatably fixed on the mounting vertical plate, and the stopping pawl corresponds to the pin material tape in the material tape guide groove and is located at the rear end of the pushing pawl along the moving direction of the pin material tape.
3. The double-pin electronic component feeding device according to claim 1, wherein the punching assembly comprises a punching cylinder arranged on the upper portion of the mounting vertical plate, the punching cylinder vertically moves up and down through a punching slider, the punching slider drives the punching upper die and the punching material pressing block through a punching upper die connecting block, and the punching upper die is correspondingly matched with the punching lower die.
4. The double-pin electronic component feeding device as claimed in claim 3, wherein a punching ejection block is further arranged below the punching upper die and the punching lower die, the punching ejection block is mounted on the mounting vertical plate through a punching ejection slide block, and a waste hopper is further arranged below the punching ejection block.
5. The device for feeding the double-pin electronic components as claimed in claim 1, wherein the pin header transferring assembly further comprises a pin header cylinder and a pin pitch adjusting rod, the pin header cylinder drives the left pin header transferring seat and the right pin header transferring seat to move on the pin header transferring slider through a pin header cylinder rod, and the pin pitch adjusting rod is disposed on the left pin header transferring seat and the right pin header transferring seat and used for adjusting the relative spacing between the left pin header transferring seat and the right pin header transferring seat.
6. The feeding device for the double-pin electronic components as claimed in claim 5, wherein a pin arranging limiting block is arranged at one end of the pin arranging transfer sliding block through a pin arranging limiting rod; and a first needle clamping positioning rod and a second needle clamping positioning rod are respectively arranged on two sides of the left needle arrangement transferring seat and the right needle arrangement transferring seat.
7. The feeding device for the double-pin electronic components as claimed in claim 1, wherein the left needle clamping assembly comprises a left needle clamping transfer slider, a left needle clamping transfer cylinder and a left needle clamping clip, the left needle clamping transfer cylinder is arranged on the left needle bank transfer seat and drives a left needle clamping transfer plate to move on the left needle clamping transfer slider, a left needle clamping seat is mounted on the left needle clamping transfer plate, a left needle clamping clip opening and closing block is arranged on the left needle clamping seat and driven by a left needle clamping opening and closing cylinder, the left needle clamping clip opening and closing block is connected with the left needle clamping clip through a left needle clamping connection block, and the left needle clamping clip is used for clamping punched pins.
8. The feeding device for the double-pin electronic component as claimed in claim 1, wherein the right needle clamping assembly comprises a right needle clamping transfer slider, a right needle clamping transfer cylinder and a right needle clamping clip, the right needle clamping transfer cylinder is arranged on the right row needle transfer base, the right needle clamping transfer cylinder drives a right needle clamping transfer plate to move on the right needle clamping transfer slider, a right needle clamping base is mounted on the right needle clamping transfer plate, a right needle clamping clip opening and closing block is arranged on the right needle clamping base, the right needle clamping clip opening and closing block is driven by a right needle clamping opening and closing cylinder, the right needle clamping clip opening and closing block is connected with the right needle clamping clip through a right needle clamping clip connecting block, and the right needle clamping clip is used for clamping punched pins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921334452.8U CN210966781U (en) | 2019-08-16 | 2019-08-16 | Double-pin electronic component feeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921334452.8U CN210966781U (en) | 2019-08-16 | 2019-08-16 | Double-pin electronic component feeding device |
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| Publication Number | Publication Date |
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| CN210966781U true CN210966781U (en) | 2020-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921334452.8U Active CN210966781U (en) | 2019-08-16 | 2019-08-16 | Double-pin electronic component feeding device |
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| CN (1) | CN210966781U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112837948A (en) * | 2021-02-05 | 2021-05-25 | 富之光电子科技(韶关)有限公司 | Processing equipment of chip capacitor |
| CN113020493A (en) * | 2021-01-27 | 2021-06-25 | 赣州山达士电子有限公司 | Non-inductive resistor chip stamping and welding integrated machine |
-
2019
- 2019-08-16 CN CN201921334452.8U patent/CN210966781U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113020493A (en) * | 2021-01-27 | 2021-06-25 | 赣州山达士电子有限公司 | Non-inductive resistor chip stamping and welding integrated machine |
| CN112837948A (en) * | 2021-02-05 | 2021-05-25 | 富之光电子科技(韶关)有限公司 | Processing equipment of chip capacitor |
| CN112837948B (en) * | 2021-02-05 | 2022-03-11 | 富之光电子科技(韶关)有限公司 | Processing equipment of chip capacitor |
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