CN110868812A - Clamp for mounting PLC chip - Google Patents
Clamp for mounting PLC chip Download PDFInfo
- Publication number
- CN110868812A CN110868812A CN201911227001.9A CN201911227001A CN110868812A CN 110868812 A CN110868812 A CN 110868812A CN 201911227001 A CN201911227001 A CN 201911227001A CN 110868812 A CN110868812 A CN 110868812A
- Authority
- CN
- China
- Prior art keywords
- base
- plc chip
- locking piece
- plc
- jig
- 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
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
The invention discloses a clamp for PLC chip mounting, which comprises a base, an elastic sheet, a base plate, a first locking piece, an adjusting piece and a second locking piece, wherein the middle part of the base is provided with a mounting hole and a station part; the first locking piece is detachably arranged on the base, and the base plate is fixed on the base through the first locking piece; the regulating part penetrates the station portion from one side activity of base and with the PLC chip butt, second retaining member detachably installs on the base, and the second retaining member stretches into the length in the base with the restriction regulating part butt. The fixture is directly positioned by referring to the position of the PLC optical waveguide, the position of the PLC chip relative to the substrate can be adjusted, errors caused by the fact that the PLC chip is used as a positioning reference in a traditional chip mounter are eliminated, and the position of the optical waveguide in the PLC chip after the chip is mounted is ensured to meet the use requirements.
Description
Technical Field
The invention relates to the field of PLC chip mounting, in particular to a clamp for PLC chip mounting.
Background
Present many butterfly-shaped encapsulated PLC (Planar Lightwave Circuit) scheme optical assembly, paste dress PLC chip at the base plate, all paste the dress with the chip mounter, the PLC overall dimension is gathered to the chip mounter, confirm pasting on the base plate of PLC chip, thereby fix the relative base plate position of optical waveguide on the PLC chip, in the in-service use, because the PLC chip cuts off from wafer (wafer), the overall dimension of each PLC chip has great error, it is too big finally to lead to the optical waveguide position tolerance on the PLC chip, the subsides dress position that leads to the optical waveguide can not satisfy the product requirement.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the clamp for mounting the PLC chip, which is used for positioning by directly referring to the position of the PLC optical waveguide, the position of the PLC chip relative to the substrate can be adjusted, the error caused by the traditional chip mounter taking the PLC chip as a positioning reference is eliminated, and the position of the optical waveguide in the PLC chip after the chip is mounted meets the use requirement.
In order to achieve the purpose, the invention provides the following technical scheme:
a clamp for PLC chip mounting comprises a base, an elastic sheet, a base plate, a first locking piece, an adjusting piece and a second locking piece, wherein the middle part of the base is provided with a mounting hole and a station part; the first locking piece is detachably arranged on the base, and the base plate is fixed on the base through the first locking piece; the adjusting piece movably penetrates into the station part from one side of the base and is abutted to the PLC chip, the second locking piece is detachably mounted on the base, and the second locking piece is abutted to the adjusting piece to limit the length of the adjusting piece extending into the base.
More preferably: the mounting hole is provided with a pin position, a spring plate pin is inserted into the pin position and is abutted against the spring plate, so that the movable end of the spring plate moves in the direction away from the station part.
More preferably: the mounting holes are two, the two elastic pieces are correspondingly arranged, and the movable ends of the two elastic pieces are vertically arranged.
More preferably: the station part comprises two chip positioning surfaces, the two chip positioning surfaces and the two elastic sheet movable ends are respectively arranged oppositely, so that the two chip positioning surfaces and the tail end points of the two elastic sheet movable ends form a rectangular positioning groove together for placing the PLC chip.
More preferably: still be equipped with base plate setting element and contact pin hole on the base, the last base plate contact pin that has inserted of contact pin hole, the base plate contact pin with base plate setting element butt makes the base plate setting element is to keeping away from the direction motion of station portion.
More preferably: the working position part is provided with two substrate positioning surfaces, and the two substrate positioning surfaces, the substrate positioning part and the first locking part limit the substrate in the working position part together.
More preferably: the first locking piece comprises a bolt and a pressing piece, at least part of the pressing piece is located above the station portion, and the bolt fixes the pressing piece on the base.
More preferably: the adjusting piece comprises a threaded adjusting rod and an extending end fixedly connected with the adjusting rod, and the tail end of the extending end is bullet-shaped and is abutted to the PLC chip.
More preferably: the base is provided with an observation hole for observing the position of the extending end in the base.
More preferably: the second locking piece is located below the base, and the second locking piece abuts against the extending end to limit the extending end in the base.
In conclusion, the invention has the following beneficial effects: the clamp has the advantages of simple structure, reasonable design, low processing cost, batch replication, suitability for manufacturing a small amount of various samples and suitability for continuous large-batch products; in contrast, chip mounter equipment is expensive, and is difficult to adapt to a small amount of various or a large amount of various production requirements; and this anchor clamps direct reference PLC optical waveguide position fixes a position, and the relative base plate position of PLC chip can be adjusted, has eliminated traditional chip mounter and has used the PLC chip as the error that the location benchmark brought, ensures that the position of optical waveguide accords with the operation requirement in the PLC chip after pasting the chip, and then eliminates the tolerance influence of product self, improves the product yield.
Drawings
Fig. 1 is an exploded perspective view of a jig for PLC chip mounting according to an embodiment of the present invention;
fig. 2 is a schematic perspective view of a jig for mounting a PLC chip according to an embodiment of the present invention;
fig. 3 is a schematic top view of a jig for PLC chip mounting according to an embodiment of the present invention;
fig. 4 is a schematic partial perspective view of a fixture for PLC chip mounting according to an embodiment of the present invention, which is mainly used for showing structures such as a base working portion;
fig. 5 is a schematic partial perspective view of a jig for PLC chip mounting according to an embodiment of the present invention, which is mainly used for showing a positional relationship among an adjusting member, a PLC chip, and a second locking member;
in the figure, 1, a base; 2. a spring plate; 3. a substrate; 4. a first locking member; 5. an adjustment member; 6. a second locking member; 7. a PLC chip; 11. mounting holes; 12. a station part; 13. inserting needle positions; 14. a substrate positioning member; 15. a pin inserting hole; 16. an observation hole; 21. the elastic sheet is inserted into the pin; 22. a movable end; 31. inserting pins into the substrate; 41. a bolt; 42. briquetting; 51. a threaded adjusting rod; 52. an extending end; 121. a chip positioning surface; 122. a substrate positioning surface.
Detailed Description
The invention is described in detail below with reference to the figures and examples.
In an embodiment of the present invention, referring to fig. 1 to 5, a fixture for PLC chip mounting is provided, including a base 1, a spring plate 2, a substrate 3, a first locking member 4, an adjusting member 5, and a second locking member 6, wherein a mounting hole 11 and a working position portion 12 are provided in a middle portion of the base 1, the spring plate 2 is located in the mounting hole 11, one end of the spring plate is fixed to the base 1, and the other end of the spring plate is a movable end 22 and extends into the working position portion 12, optionally, the spring plate 2 is provided in a 7 shape, so that the movable end of the spring plate 2 is moved, and the spring plate 2 can be restored to its original shape, so that the subsequent PLC chip 7 can be fixed conveniently. The substrate 3 is used for pressing the PLC chip 7 in the station part 12, and the bottom surface of the station part 12 is a reference surface for aligning the optical waveguides on the PLC chip 7, so that the positioning is realized by directly referring to the position of the PLC optical waveguides, the error caused by the fact that the PLC chip is used as a positioning reference in the traditional chip mounter is eliminated, and the position of the optical waveguides in the PLC chip after the chip is mounted meets the use requirement. Chip grooves are formed in the optional substrate 3, so that PLC chips 7 can be conveniently placed, the substrate 3 can be of various types, and the chip grooves of each substrate 3 are different, so that the fixture can be suitable for PLC chips 7 of different specifications, and the fixture can be used for mounting various PLC chips 7; the first locking piece 4 is detachably arranged on the base 1, and the base plate 3 is fixed on the base 1 through the first locking piece 4; the adjusting part 5 movably penetrates into the station part 12 from one side of the base 1 and is abutted to the PLC chip 7, so that the position of the PLC chip 7 can be adjusted, the second locking part 6 is detachably mounted on the base 1, and the second locking part 6 is abutted to the adjusting part 5 to limit the length of the adjusting part 5 extending into the base 1. Adjusting part 5 stretches into in base 1, carries out position control to PLC chip 7, and the adjustment is accomplished the back, makes second retaining member 6 and adjusting part 5 butt, has just so injectd adjusting part 5 and base 1's position.
Optionally: referring to fig. 2 and 3 again, the mounting hole 11 is provided with a pin position 13, a spring plate pin 21 is inserted into the pin position 13, and the spring plate pin 21 abuts against the spring plate 2, so that the movable end 22 of the spring plate 2 moves in a direction away from the station portion 12. It should be explained that, after the elastic sheet pin 21 is inserted into the pin position 13, the movable end 22 of the elastic sheet 2 retracts, so as to be away from the station portion 12, at this time, the PLC chip 7 is placed into the station portion 12, after the PLC chip is placed, the elastic sheet pin 21 is taken out, and the movable end 22 of the elastic sheet 2 moves towards the station portion 12, that is, the elastic sheet 2 returns, so as to limit the position of the PLC chip 7. Optionally: the number of the mounting holes 11 is two, two elastic pieces 2 are correspondingly arranged, and the movable ends 22 of the two elastic pieces 2 are vertically arranged. The station portion 12 includes two chip positioning surfaces 121, and the two chip positioning surfaces 121 and the two movable ends 22 of the elastic sheet 2 are respectively disposed oppositely, so that a rectangular positioning groove is formed by the two chip positioning surfaces 121 and the end points of the two movable ends 22 of the elastic sheet 2, and is used for placing the PLC chip 7. Usually, PLC chip 7 is the rectangle form, sets up like this, can be totally present PLC chip 7 position on the 12 planes of station portion on base 1, the good fixed of being convenient for, and then realize the location. Meanwhile, the elastic pieces 2 are arranged on the two sides of the PLC chip, so that the adjusting piece 4 has certain elasticity, and the position of the PLC chip 7 can be adjusted.
Optionally: the base 1 is further provided with a substrate positioning part 14 and a pin hole 15, a substrate pin 31 is inserted into the pin hole 15, and the substrate pin 31 abuts against the substrate positioning part 14, so that the substrate positioning part 14 moves in a direction away from the station part 12. The substrate positioning member 14 is also made of an elastic material. It should be explained that, after the substrate pins 31 are inserted into the pin holes 15, the substrate positioning element 14 retracts, and thus is away from the station portion 12, at this time, the substrate 3 is placed into the station portion 12, and after the substrate pins 31 are placed, the substrate positioning element 14 is taken out, and the substrate positioning element 14 moves towards the station portion 12, that is, the substrate positioning element 14 returns, so as to define the position of the substrate 3. Optionally: the station 12 is provided with two substrate positioning surfaces 122, and the two substrate positioning surfaces 122, the substrate positioning part 14 and the first locking part 4 together limit the substrate 3 in the station 12. With this arrangement, the position of the substrate 3 on the plane of the station portion 12 on the base 1 can be completely present, and good fixation can be facilitated.
Optionally: the first locking member 4 comprises a bolt 41 and a pressing block 42, at least a part of the pressing block 42 is located above the station portion 12, and the bolt 41 fixes the pressing block 42 on the base 1. The base 1 is provided with a screw hole matched with the bolt 41, the pressing block 42 is pressed against the substrate 3 by screwing the bolt 41, and the substrate 3 is fixed after being screwed tightly.
Optionally: referring to fig. 5 again, the adjusting member 5 includes a threaded adjusting rod 51 and an extending end 52 fixedly connected to the adjusting rod, and the end of the extending end 52 is bullet-shaped and abuts against the PLC chip 7. Preferably, the end of the extending end 52 is opposite to the movable end 22 of one of the elastic sheets 2, and is located on two sides of the PLC chip 7 respectively. The end of the extending end 52 is abutted against the PLC chip 7, and the other side of the extending end is provided with the movable end 22 of the elastic sheet 2, so that the elastic sheet has elasticity, and the position of the PLC chip 7 is adjusted. Further optionally: the base 1 is provided with an observation hole 16 for observing the position of the extending end 52 in the base 1. Thus, the observation of an operator is facilitated, and the use of the clamp is facilitated. Optionally: the second locking member 6 is located below the base 1, and the second locking member 6 abuts against the extending end 52 to limit the extending end 52 in the base 1, so as to limit the position of the extending end 52.
The working principle of the clamp provided in the embodiment of the invention is as follows: unscrew first retaining member 4, insert two shell fragment contact pins 21 respectively in two contact pin position 13 on the mounting hole 11, prop two shell fragment 2 and base plate location spare 14 on the base 1 open, put into the station portion 12 of base 1 with PLC chip 7, then take out the shell fragment contact pin 21 in the contact pin position 13, two shell fragment 2 on the mounting hole 11 kick-back, fix PLC chip 7 in advance, put into the station portion 12 of base 1 with base plate 3, take out the base plate contact pin 31 in the contact pin hole 15, base plate location spare 14, fix base plate 3 in the station portion 12 of base 1, also be exactly the top of PLC chip 7. Rotatory first retaining member 4, briquetting 41 locks base plate 3, and through regulating part 4, adjust PLC chip 7 position after that, align the optical waveguide position in PLC chip 7 with the reference surface on the base 1, then lock second retaining member 6, it is fixed with regulating part 4, just so accomplished the location technology of optical waveguide and base plate in PLC chip 7, it is fixed with PLC chip 7 and base plate 3 to glue at last, accomplish the rigidity of base plate 3 and PLC chip 7.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that several improvements and modifications without departing from the principle of the present invention will occur to those skilled in the art, and such improvements and modifications should also be construed as within the scope of the present invention.
Claims (10)
1. The utility model provides a anchor clamps for PLC chip pastes dress which characterized in that: the PLC chip positioning device comprises a base, an elastic sheet, a base plate, a first locking piece, an adjusting piece and a second locking piece, wherein the middle part of the base is provided with a mounting hole and a station part, the elastic sheet is positioned in the mounting hole, one end of the elastic sheet is fixed with the base, the other end of the elastic sheet is a movable end and extends into the station part, and the base plate is used for pressing the PLC chip in the station part; the first locking piece is detachably arranged on the base, and the base plate is fixed on the base through the first locking piece; the adjusting piece movably penetrates into the station part from one side of the base and is abutted to the PLC chip, the second locking piece is detachably mounted on the base, and the second locking piece is abutted to the adjusting piece to limit the length of the adjusting piece extending into the base.
2. The jig for PLC chip mounting according to claim 1, wherein: the mounting hole is provided with a pin position, a spring plate pin is inserted into the pin position and is abutted against the spring plate, so that the movable end of the spring plate moves in the direction away from the station part.
3. The jig for PLC chip mounting according to claim 2, wherein: the mounting holes are two, the two elastic pieces are correspondingly arranged, and the movable ends of the two elastic pieces are vertically arranged.
4. The jig for PLC chip mounting according to claim 3, wherein: the station part comprises two chip positioning surfaces, the two chip positioning surfaces and the two elastic sheet movable ends are respectively arranged oppositely, so that the two chip positioning surfaces and the tail end points of the two elastic sheet movable ends form a rectangular positioning groove together for placing the PLC chip.
5. The jig for PLC chip mounting according to claim 1, wherein: still be equipped with base plate setting element and contact pin hole on the base, the last base plate contact pin that has inserted of contact pin hole, the base plate contact pin with base plate setting element butt makes the base plate setting element is to keeping away from the direction motion of station portion.
6. The jig for PLC chip mounting according to claim 5, wherein: the working position part is provided with two substrate positioning surfaces, and the two substrate positioning surfaces, the substrate positioning part and the first locking part limit the substrate in the working position part together.
7. The jig for PLC chip mounting according to claim 6, wherein: the first locking piece comprises a bolt and a pressing piece, at least part of the pressing piece is located above the station portion, and the bolt fixes the pressing piece on the base.
8. The jig for PLC chip mounting according to claim 1, wherein: the adjusting piece comprises a threaded adjusting rod and an extending end fixedly connected with the adjusting rod, and the tail end of the extending end is bullet-shaped and is abutted to the PLC chip.
9. The jig for PLC chip mounting according to claim 8, wherein: the base is provided with an observation hole for observing the position of the extending end in the base.
10. The jig for PLC chip mounting according to claim 8, wherein: the second locking piece is located below the base, and the second locking piece abuts against the extending end to limit the extending end in the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911227001.9A CN110868812A (en) | 2019-12-04 | 2019-12-04 | Clamp for mounting PLC chip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911227001.9A CN110868812A (en) | 2019-12-04 | 2019-12-04 | Clamp for mounting PLC chip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110868812A true CN110868812A (en) | 2020-03-06 |
Family
ID=69657595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911227001.9A Pending CN110868812A (en) | 2019-12-04 | 2019-12-04 | Clamp for mounting PLC chip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110868812A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114466525A (en) * | 2021-09-15 | 2022-05-10 | 湖南红鑫通信技术有限责任公司 | Fixture applicable to surface mounting of PLC chips with different specifications |
-
2019
- 2019-12-04 CN CN201911227001.9A patent/CN110868812A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114466525A (en) * | 2021-09-15 | 2022-05-10 | 湖南红鑫通信技术有限责任公司 | Fixture applicable to surface mounting of PLC chips with different specifications |
| CN114466525B (en) * | 2021-09-15 | 2023-09-15 | 宜宾卓邦科技有限公司 | Clamp applicable to mounting of PLC chips of different specifications |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2344884Y (en) | Fixture for holding a pair of connectors | |
| CN213917819U (en) | Assembly tool for door body glass assembly of steam oven | |
| CN110868812A (en) | Clamp for mounting PLC chip | |
| CN211297185U (en) | Clamp for mounting PLC chip | |
| CN117092491B (en) | Chip test seat applied to large-order pins and manufacturing method | |
| CN213196108U (en) | Welding jig for soft belt of 100G module laser | |
| CN208111587U (en) | clamping device | |
| CN111085748A (en) | Workpiece-hitting and furnace-passing jig | |
| KR200419416Y1 (en) | Pcb terminal cutting device | |
| CN216057655U (en) | Quick mounting fixture for PCB slotting machine | |
| CN213616347U (en) | Thimble assembly jig | |
| CN209894841U (en) | Integrated clamp for laser chip | |
| CN208270795U (en) | A kind of fiber array assembly locating fixture | |
| CN112571310B (en) | Self-adjusting clamp for laser chip | |
| CN210052803U (en) | Quick change electricity core tool | |
| KR100293624B1 (en) | Contact devices removably mount electrical elements, especially integrated circuits, on printed circuit boards | |
| CN215935453U (en) | FPC arranges inserts pastes dress frock clamp and FPC arranges inserts pastes dress frock tool | |
| CN215582544U (en) | Coaxial miniaturized TEC pastes dress anchor clamps | |
| CN108366496B (en) | Universal reflow soldering edge clamping jig and using method thereof | |
| CN107803691B (en) | Clamping and positioning device for top surface drilling | |
| CN220863940U (en) | Composite material encapsulation type pressure loss test piece fixing tool | |
| CN106597258B (en) | Drawer type PCB test fixture | |
| CN108296697A (en) | LED light source module welding tooling | |
| CN221058536U (en) | Width-adjustable circuit board all-position row socket pressing fixture | |
| CN210570757U (en) | Novel test fixture convenient to it is fixed |
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 |